ReNeuron Presents Positive Data at the 27th Annual Congress of the European Society of Gene and Cell Therapy on Lead Cell Line – Yahoo Finance

New data show ReNeuron's lead CTX cell therapy candidate can be re-programmed into a pluripotent state and differentiated into other cell types

These new cell types can be efficiently expanded as potential cell therapy candidates targeting a broad range of diseases

PENCOED, Wales, Oct. 23, 2019 /PRNewswire/ --ReNeuron Group plc (RENE.L), a UK-based global leader in the development of cell-based therapeutics, is pleased to announce that new data relating to its CTX stem cell platform will be presented today at the 27th Annual Congress of the European Society of Gene and Cell Therapy(ESGCT), a leading scientific conference taking place this week in Barcelona, Spain.

Dr. Steve Pells, Principal Investigator at ReNeuron, will present new data showing the phenotypic stability and scalability of a mesenchymal stem cell line derived from the Company's proprietary, conditionally immortalized, human neural stem cell line (CTX) following re-programming to a pluripotent state.

The Company has previously presented data demonstrating that its CTX stem cell line, currently undergoing clinical evaluation for the treatment of stroke disability, can be successfully and rapidly re-programmed to an embryonic stem cell-like state enabling differentiation into any cell type. In essence, this means that the Company is able to take its neural stem cells back to being stem cells that can be made to develop into any other type of stem cell including bone, nerve, muscle and skin.

The new data being presented today show for the first time that these CTX-iPSCs (induced pluripotent stem cells) can indeed be differentiated along different cell lineages to generate, for example, mesenchymal stem cell lines. Further, the mesenchymal stem cell lines generated can be grown at scale by virtue of the Company's conditional immortalization technology, enabling the efficient production of clinical-grade cell therapy candidates.

These results are particularly encouraging as they demonstrate that CTX, a well-characterized, clinical-grade neural stem cell line, could be used to produce new conditionally immortalized allogeneic (i.e. non-donor-specific) cell lines from any of the three primary germ cell layers which form during embryonic development. ReNeuron is currently exploring the potential to develop further new allogeneic cell lines as potential therapeutic agents in diseases of unmet medical need for subsequent licensing to third parties.

Further information about the conference may be found at:

https://www.esgct.eu/congress/barcelona-2019.aspx

"The data we are presenting at the ESGCT Annual Congress represent a significant advance in the use of cell re-programming to generate new allogeneic cell lines as potential therapeutic candidates," commented Dr. Randolph Corteling, Head of Research at ReNeuron. "Importantly, the maintenance of the immortalization technology within these new cell lines may allow for the scaled production of 'off the shelf' allogeneic stem cells, such as haematopoietic stem cells as a potential alternative approach to those cancer immunotherapies currently in development that rely on the use of the patient's own T-cells."

About ReNeuronReNeuron is a global leader in cell-based therapeutics, harnessing its unique stem cell technologies to develop 'off the shelf' stem cell treatments, without the need for immunosuppressive drugs. The Company's lead clinical-stage candidates are in development for the blindness-causing disease, retinitis pigmentosa, and for disability as a result of stroke. ReNeuron is also advancing its proprietary exosome technology platform as a potential delivery system for drugs that would otherwise be unable to reach their site of action. ReNeuron's shares are traded on the London AIM market under the symbol RENE.L. For further information visit http://www.reneuron.com.

ENQUIRIES:

ReNeuron

+44 (0)20 3819 8400

Olav Helleb, Chief Executive Officer

Michael Hunt, Chief Financial Officer

Buchanan (UK)

+44 (0) 20 7466 5000

Mark Court, Tilly Abraham

Argot Partners (US)

Stephanie Marks, Claudia Styslinger

Stifel Nicolaus Europe Limited

+1 212 600 1902

+44 (0) 20 7710 7600

Jonathan Senior, Stewart Wallace, Ben Maddison (NOMAD and Joint Broker)

N+1 Singer

+44 (0) 20 7496 3000

Aubrey Powell, James Moat, Mia Gardner

(Joint Broker)

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ReNeuron Presents Positive Data at the 27th Annual Congress of the European Society of Gene and Cell Therapy on Lead Cell Line - Yahoo Finance

ReNeuron progresses as it gathers more data for developing treatments – Proactive Investors UK

What the company does

Human retinal progenitor cells (hRPC)

Human retinal progenitor cells are cells that differentiate into components of the retina.

Reneuron has developed the ability to scale up the manufacturing of the hRPCs using a patented low-oxygen cell expansion technology.

The hRPC cell therapy candidate is being evaluated in an ongoing phase I/IIa clinical trial in the US in subjects with a blindness-causing inherited retinal disease, retinitis pigmentosa (RP).

CTX Cells

CTX cell therapy candidate is a treatment for patients left disabled by the effects of a stroke.

Reneurons product is a standardised, clinical and commercial-grade cell therapy product capable of treating all eligible patients presenting with the diseases targeted, without the need for additional immunosuppressive drug treatments.

Data from the Phase II PISCES trial indicated CTX therapy was safe and well-tolerated and produced clinically meaningful and sustained improvement in the level of disability and dependence as well as motor function.

Exosome platform

Exosomes are nanoparticles, released by cells, and contain a number of active proteins and micro RNAs, which are short non-coding RNAs capable of regulating gene expression, that arebelieved to play a key role in cell-to-cell communication.

ExoPr0, Reneurons first CTX-derived exosome therapeutic candidate, has demonstrated potential as both a novel therapeutic candidate as well as a drug delivery vehicle

() has unique stem cell technologies that can be administered off-the-shelf. Its lead candidate has been developed to treat people disabled by a stroke.

Its human retinal progenitor cells (hRPC), meanwhile, have scored some early success.

A Phase I/II assessment of a very small group of sufferers of a blindness-causing disease called retinitis pigmentosa saw a significant improvement in vision after treatment.

Six months after treatment there was a mean improvement of 18.5per treated eye, with a mean improvement of 12 letters per treated eye after nine months, whereasinexorable disease progression is the norm for this disease.

With a total of 22 patients now treated and the study still ongoing, ReNeuron said the efficacy in subsequent patients was seen but at a lower rate and magnitude, with improvement in visual acuity ranging from +5 to +11 letters in the treated eye threemonths after treatment.

We are very encouraged by the data as it matures, it needs to mature further in the patients that we have treated more recently, but the bottom line is all systems go for that programme and we are looking forward to discussing with the regulatory authorities where we go next in terms of the next trial we would like to do.

Its fair to say that the responses we got in the first three patients were so extraordinarily good that it was going to be quite an achievement to try and replicate that in all patients that we treated, but what we are seeing is a nice improvement in all patients that we have treated who have responded to the treatment and the aggregate scores that we are seeing, if you like, for visual accuracy are extremely encouraging.

We have a product here and I think youll find that view is backed up by the investigators working with us on the study.

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ReNeuron progresses as it gathers more data for developing treatments - Proactive Investors UK

Cesca Therapeutics Forms Joint Venture With HealthBanks Biotech (USA) To Provide Immune Cell Banking And Cell Processing Service – Clinical Leader

ImmuneCyte to Begin Operations in Fourth Quarter of 2019

Rancho Cordova, CA /PRNewswire/ - Cesca Therapeutics Inc. (Nasdaq: KOOL), a market leader in automated cell processing and autologous cell therapies for regenerative medicine, and ThermoGenesis, its wholly owned device subsidiary, today announced that the company has entered into a definitive joint venture agreement with HealthBanks Biotech (USA) Inc., one of the world's leading stem cell bank networks, to commercialize its proprietary cell processing platform, CAR-TXpress, for use in immune cell banking as well as for cell-based contract development and manufacturing services (CMO/CDMO). The joint venture will be named ImmuneCyte Life Sciences Inc. ("ImmuneCyte") and is expected to officially launch during the fourth quarter of 2019.

Under terms of the agreement, ImmuneCyte will initially be owned 80% by HealthBanks Biotech and 20% by Cesca. Cesca will contribute to ImmuneCyte exclusive rights to use ThermoGenesis' proprietary cell processing technology for the immune cell banking business and non-exclusive rights for other cell-based contract development and manufacturing services. Cesca will also contribute its clinical development assets to the joint venture, as the company has decided to discontinue these activities in order to focus exclusively on the device business.

Once operational, ImmuneCyte will be among the first immune cell banks in the U.S. to provide clients with the opportunity to bank their own healthy immune cells for future use as a resource for cell-based immunotherapies, such as dendritic cell and chimeric antigen receptor (CAR) T-cell therapies. ImmuneCyte will utilize ThermoGenesis' proprietary CAR-TXpress platform which allows for the isolation of different components from 200 ml of blood in cGMP compliant, closed system. Given that the CAR-TXpress platform can increase cell processing efficiency by up to 16-fold as compared with the traditional, labor-intensive ficoll gradient centrifugation-based cell processing method, ImmuneCyte is expected to offer customers an unparalleled competitive advantage, including an ability to store their own immune cells at a tangibly lower cost.

"The ImmuneCyte joint venture will be paramount to the execution of our strategy to become a preferred cell processing and manufacturing solution provider in the cell and gene therapy field," said Dr. Chris Xu, Chairman and Chief Executive Officer of Cesca Therapeutics. "CAR-T therapeutic research is advancing rapidly. Partnering with HealthBanks Biotech, one of the foremost stem cell bank networks, with an experienced team and an established global infrastructure, will offer customers the ability to preserve younger, healthier and uncontaminated immune cells for potential future use. By applying our proprietary CAR-TXpress technology to immune cell banking and other CDMO cellular manufacturing services, we will allow for the manufacture and production of more effective and less costly immunotherapies."

In 2017, the U.S. Food and Drug Administration (FDA) approved two CAR-T cell therapies, under breakthrough designation, for the treatment of advanced B cell leukemia and lymphomas. Both use autologous (a patient's own) immune T cells to fight cancer and have reported an over 80% response rate in the "no-option" patient group, for those who have failed both chemo- and radiation therapies. This has helped to spur massive global interest for the development of additional CAR-T immunotherapies1. By the end of September 2019, there were over 800 CAR-T cell clinical trials registered on the http://www.clinicaltrials.gov website, targeting a wide variety of blood cancers and solid tumors.

Although highly effective, several recent studies on the eligibility of patients to enroll in CAR-T clinical trials showed that as many as 30-50% of cancer patients may not be eligible to enroll or to get sufficient CAR-T cells manufactured for the therapy. Reasons may include: (1) the function of the immune system declines with age and can be negatively affected by other medical conditions, (2) most standard cancer therapies, such as chemotherapy and radiation, destroy the immune system, and (3) in many cases of advanced cancer, cancer cells will enter circulation, invade and interfere with the body's natural production of immune cells. According to a recently reported JULIE trial, a CAR-T clinical trial in relapsed or refractory diffuse large B-cell lymphoma (DLBCL), one-third of the 238 screened patients failed to be enrolled, and more than half of the 238 failed to receive the intended CAR-T therapy2,3. ImmuneCyte will offer customers the ability to preserve younger, healthier and uncontaminated immune cells, for potential future use in advanced cancer immunotherapy.

About HealthBanks Biotech (USA) Inc.HealthBanks Biotech, headquartered in Irvine, CA, is one of the leading stem cell bank networks in the world and offers services globally through its sister companies located in the United States and other regions and nations. HealthBanks Biotech is accredited by the FDA, AABB, and CAP. The HealthBanks Biotech group was originally founded in 2001 with a vision that stem cells and cell and gene therapies could transform modern medicine. HealthBanks Biotech is a subsidiary of Boyalife Group, Inc. (USA), an affiliate of Boyalife (Hong Kong) Limited, the largest stockholder of Cesca. For more information about HealthBanks Biotech (USA) Inc., please visit: http://www.healthbanks.us.

About ImmuneCyte Life Sciences Inc.ImmuneCyte will provide clients with the opportunity to bank their own immune cells when the cells are "healthy and unaffected" as a future resource for cellular immunotherapies, such as CAR-T. ImmuneCyte utilizes a proprietary CAR-TXpress platform, a GMP compliant close-system capable of automated separating and cryopreserving different components from blood. For more information about ImmuneCyte Life Sciences Inc., please visit: http://www.immunecyte.com.

About Cesca Therapeutics Inc.Cesca Therapeutics develops, commercializes and markets a range of automated technologies for CAR-T and other cell-based therapies. Its device division, ThermoGenesis develops, commercializes and markets a full suite of solutions for automated clinical biobanking, point-of-care applications, and automation for immuno-oncology. The Company has developed a semi- automated, functionally closed CAR-TXpress platform to streamline the manufacturing process for the emerging CAR-T immunotherapy market. For more information about Cesca and ThermoGenesis, please visit: http://www.cescatherapeutics.com.

References:1. Facts About Chimeric Antigen Receptor (CAR) T-Cell Therapy, Leukemia and Lymphoma Society (2018). https://www.lls.org

2. Updated Analysis of JULIET Trial: Tisagenlecleucel in Relapsed or Refractory DLBCL (2018).

3. Eligibility Criteria for CAR-T Trials and Survival Rates in Chemorefractory DLBCL. Journal of Clinical Pathways (2018).

SOURCE: Cesca Therapeutics Inc.

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Cesca Therapeutics Forms Joint Venture With HealthBanks Biotech (USA) To Provide Immune Cell Banking And Cell Processing Service - Clinical Leader

CAR-T Cell Therapy Market Poised to Garner Maximum Revenues by 2027 – Health News Office

Global Foamed Plastics Market Report 2019 Market Size, Share, Price, Trend and Forecast is a professional and in-depth study on the current state of the global Foamed Plastics industry.

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CAR-T Cell Therapy Market Poised to Garner Maximum Revenues by 2027 - Health News Office

NIH and Gates Foundation to Invest Combined $200M Towards Sickle Cell and HIV Gene Therapy Research – DocWire News

The National Institutes of Health (NIH) has recently announced plans to invest at least $100 million towards the development of affordable gene therapies for sickle cell disease and HIV. An additional investment of $100 million will be provided by the Bill & Melinda Gates Foundation, with the goal of making gene therapy treatments readily available around the world.

This collaborative investment comes in the wake of President Trump announcing his goal to end the HIV epidemic in the U.S. in the next decade, a statement made during the State of the Union Address earlier this year. Ending the HIV Epidemic: A Plan for Americais designed to use new technology and data to decrease the number of HIV diagnoses made in the U.S. by 75% in the next five years and by 90% by 2030. Sickle cell disease, another condition that gene therapy applies to, has received increased attention under the Trump Administration as well.

Although recent technology has led to FDA-approved gene therapies becoming available for patients, these treatments are not readily accessible to a majority of the world and are extremely expensive. Particularly, low-income countries that are often affected by sickle cell and HIV more than wealthy countries have limited access to these treatments. To bring these treatments to regions where they are most needed, investments like those from the Gates Foundation and the NIH are imperative.

This collaborative effort sets out to advance safe, effective, and durable gene therapies to clinical trials in the U.S. and countries in sub-Saharan Africa, where disease incidence is high, in the next 10 years. The main goal of this work is to bring these transformative treatments to the underserved areas that need them the most.

This unprecedented collaboration focuses from the get-go on access, scalability and affordability of advanced gene-based strategies for sickle cell disease and HIV to make sure everybody, everywhere has the opportunity to be cured, not just those in high-income countries, explained Francis S. Collins, MD, PhD, and NIH Director.We aim to go big or go home.

Outside of this collaboration, the organizations will both continue to invest in other research efforts focused on treating sickle cell and HIV.

In recent years, gene-based treatments have been groundbreaking for rare genetic disorders and infectious diseases, said Trevor Mundel, MD, PhD, President of the Bill & Melinda Gates Foundations Global Health Program. While these treatments are exciting, people in low- and middle-income countries do not have access to these breakthroughs. By working with the NIH and scientists across Africa, we aim to ensure these approaches will improve the lives of those most in need and bring the incredible promise of gene-based treatments to the world of public health.

This collaboration will aim to identify potential sickle cell and HIV cures for pre-clinical and clinical evaluation and to define long-term opportunities to work with African partners to advance promising treatments to late-phase clinical trials.

New delivery systems to deliver the therapies to the correct areas of the body are needed to optimize these treatments and target the cells specific to each disease. In treating sickle cell, this entails replacing mutated genes that code for a blood cell protein in hematopoietic stem cells with a healthy copy, restoring normal blood cell production. To treat HIV, the gene therapy would have to target proviral DNA that circulates in a small number of cells years after effective antiviral therapy.

Creating gene therapy treatments for these diseases that can be administered in vivo, or fully in the body, would be a significant improvement for current therapies, which involve the removal, editing, and reinfusion of cells.

We are losing too much of Africas future to sickle cell disease and HIV, said Matshidiso Rebecca Moeti, MBBS, Regional Director for Africa at the World Health Organization. Beating these diseases will take new thinking and long-term commitment. Im very pleased to see the innovative collaboration announced today, which has a chance to help tackle two of Africas greatest public health challenges.

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NIH and Gates Foundation to Invest Combined $200M Towards Sickle Cell and HIV Gene Therapy Research - DocWire News

Abeona Therapeutics Announces Presentations at the 27th European Society of Gene and Cell Therapy (ESGCT) Congress – Yahoo Finance

NEW YORK and CLEVELAND, Oct. 21, 2019 (GLOBE NEWSWIRE) -- Abeona Therapeutics Inc. (ABEO), a fully-integrated leader in gene and cell therapy, today announced the presentations of data from the Transpher A Study, the Companys ongoing Phase 1/2 clinical trial evaluating ABO-102 for the treatment of Sanfilippo syndrome type A (MPS IIIA), and research updates from its library of novel AIMTM adeno-associated virus (AAV) capsids at the 27th European Society of Gene and Cell Therapy (ESGCT) Congress, to be held October 22-25, 2019 in Barcelona, Spain.

The data will be presented as follows:

Safety, Tolerability, Biopotency and Neurocognitive Data of ABO-102 in Transpher A, an Open-Label, Multicenter, Single-Dose, Dose-Escalation, Phase 1/2 Clinical Trial in Sanfilippo Syndrome type A (Mucopolysaccharidosis IIIA)Oral Presentation #039Presenter: Maria Jose de Castro, M.D., Hospital Universitario Santiago de CompostelaSession 4c: Metabolic and Genetic DiseasesDate/Time: Friday, October 25, 2019, 9:00 a.m. to 11:00 a.m. CESTLocation: Room 112

Novel AAV Capsids Show Increased Evasion to Neutralizing Antibodies Against Natural SerotypesPoster #P347Session Title: Poster Session IDate/Time: Wednesday, October 23, 2019, 1:00 p.m. to 3:00 p.m. CESTLocation: Multipurpose Hall

Development of an Improved Novel AAV Capsids for Intramuscular DeliveryPoster #P027Session Title: Poster Session IDate/Time: Wednesday, October 23, 2019, 1:00 p.m. to 3:00 p.m. CESTLocation: Multipurpose Hall

Novel AAV Capsids for Delivery to the Retina by Intravitreal AdministrationPoster #P009Session Title: Poster Session IDate/Time: Wednesday, October 23, 2019, 1:00 p.m. to 3:00 p.m. CESTLocation: Multipurpose Hall

Development of a Novel AAV Capsid with Improved PNS Tropism for Treating Pompe Disease by Intravenous AdministrationPoster #P007Session Title: Poster Session IDate/Time: Wednesday, October 23, 2019, 1:00 p.m. to 3:00 p.m. CESTLocation: Multipurpose Hall

About Abeona Therapeutics Abeona Therapeutics Inc. is a clinical-stage biopharmaceutical company developing gene and cell therapies for serious diseases. The Companys clinical programs include EB-101, its autologous, gene-corrected cell therapy for recessive dystrophic epidermolysis bullosa, as well as ABO-102 and ABO-101, novel AAV9-based gene therapies for Sanfilippo syndrome types A and B (MPS IIIA and MPS IIIB), respectively. The Companys portfolio of AAV9-based gene therapies also features ABO-202 and ABO-201 for CLN1 disease and CLN3 disease, respectively. Its preclinical assets include ABO-401, which uses the novel AIM AAV vector platform to address all mutations of cystic fibrosis. Abeona has received twenty regulatory designations from the FDA and EMA for its pipeline candidates. For more information, visit http://www.abeonatherapeutics.com.

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Forward-Looking StatementsThis press release contains certain statements that are forward-looking within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended, and that involve risks and uncertainties. These statements include statements about the Companys clinical trials and its products and product candidates, future regulatory interactions with regulatory authorities, as well as the Companys goals and objectives. We have attempted to identify forward looking statements by such terminology as may, will, believe, estimate, expect, and similar expressions (as well as other words or expressions referencing future events, conditions or circumstances), which constitute and are intended to identify forward-looking statements. Actual results may differ materially from those indicated by such forward-looking statements as a result of various important factors, numerous risks and uncertainties, including but not limited to continued interest in our rare disease portfolio, our ability to enroll patients in clinical trials, the outcome of any future meetings with the U.S. Food and Drug Administration or other regulatory agencies, the impact of competition, the ability to secure licenses for any technology that may be necessary to commercialize our products, the ability to achieve or obtain necessary regulatory approvals, the impact of changes in the financial markets and global economic conditions, risks associated with data analysis and reporting, and other risks as may be detailed from time to time in the Companys Annual Reports on Form 10-K and quarterly reports on Form 10-Q and other periodic reports filed by the Company with the Securities and Exchange Commission. The Company undertakes no obligation to revise the forward-looking statements or to update them to reflect events or circumstances occurring after the date of this presentation, whether as a result of new information, future developments or otherwise, except as required by the federal securities laws.

Investor Contact:Sofia WarnerSenior Director, Investor RelationsAbeona Therapeutics+1 (646) 813-4710swarner@abeonatherapeutics.com

Media Contact:Scott SantiamoDirector, Corporate CommunicationsAbeona Therapeutics+1 (718) 344-5843ssantiamo@abeonatherapeutics.com

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Abeona Therapeutics Announces Presentations at the 27th European Society of Gene and Cell Therapy (ESGCT) Congress - Yahoo Finance

Sales of Novartis gene therapy approved in May reach $160M in Q3 – MedCity News

The second gene therapy to win approval in the U.S. saw strong sales in the third quarter of this year, the manufacturer said Tuesday.

Basel, Switzerland-based Novartis said in its third-quarter 2019 earnings that Zolgensma (onasemnogene abeparvovec-xioi) had sales of $160 million. The gene therapy was approved in May for treating spinal muscular atrophy in infants, being the second gene therapy to win Food and Drug Administration approval, after Spark Therapeutics Luxturna (voretigene neparvovec), which Novartis commercialized in the European Union and European Economic Area.

The gene therapy was launched with a list price of $2.1 million, the highest list price of any drug in the world. However, pricing watchdogs have said the price is cost-effective, given the greater costs of treatment over a patients lifetime, whereas Zolgensma is meant as a one-time therapy. A competing therapy is Biogens Spinraza (nusinersen), which has a list price of $750,000 for the first year and $375,000 every subsequent year, but must be taken for life, at $125,000 per injection.

Novartis said in its earnings statement that to date, plans are in place that pay for the therapy for around 90 percent of patients covered under commercial plans and about 30 percent of those covered by Medicaid.

Spinal muscular atrophy, or SMA, is a group of genetic diseases that cause progressive muscle weakness, usually starting in infancy, which can eventually lead to respiratory failure. The incidence of the disease is approximately 1-in-10,000 live births, according to the National Organization for Rare Disorders.

Other new therapies from the company had a strong showing as well. Another drug that received FDA approval in May, Piqray (alpelisib), saw sales of $43 million. The drug was approved as the first treatment for patients with a PIK3CA mutation in HR-positive/HER2-negative advanced breast cancer. Kymriah (tisagenlecleucel), which won FDA approval in August 2017 as the first CAR-T cell therapy, had sales of $79 million. The company reported continued strong demand, with ongoing uptake in the U.S. and Europe driving an increase in sales for the therapy, which is used to treat acute lymphoblastic leukemia in children and young adults as well as diffuse large B-cell lymphoma in adults.

Photo: jxfzsy, Getty Images

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Sales of Novartis gene therapy approved in May reach $160M in Q3 - MedCity News

Detection of Latent HSCs Fated to Progress to Blast Phase in Myelofibrosis Patients Several Years Before Blast Transformation – DocWire News

Blast phase (BP) fated clones often appear several years before blast transformation and can be traced back to hematopoietic stem cells (HSCs), according to the findings of a study presented at the 12th International Congress on Myeloproliferative Neoplasms.

Researchers studied nine myelofibrosis (MF) patients who progressed to BP and had previously aggregated chronic phase (CP) and BP samples, with an average time interval between collections between 1.5 to 6.5 years.

The time interval between CP and BP collections ranged between 1.5 to 6.6 years. In four patients, additional CP samples were available from intervening time points. Whole genome sequencing (WGS) of leukemic blasts, the MPN clone, and germline control (T-cells/buccal DNA) were performed to identify somatic mutations. The researchers detected mutations at BP in 21 ML genes with an average of 5.3 (range 2-8) genes mutated per patient. Genes that were mutated in 2 or more BP samples included SRSF2 (n=5), ASXL1 (n=4), TET2 (n=4), IDH1/2 (n=4), RUNX1 (n=4), NRAS (n=4), KRAS (n=2), U2AF1 (n=2), PHF6 (n=2), and STAG2 (n=2).

The results showed that BP-specific ML gene mutations could be detected at low frequencies in one or more cell populations several years before BP diagnosis. The study authors wrote that, importantly, these low frequency mutations were detected within the HSC population from several patients, indicating that BP-fated clones derived from an HSC. This finding is being verified by targeted sequencing of additional BP-specific mutations identified by WGS (average of 300 variants per patient, range 37 to 659).

The authors added that: Identification of BP-fated clones that are latent strongly suggests that mechanisms beyond the acquisition of somatic mutations in ML genes are necessary to effectively promote full leukemic transformation.

Ho J, et al. Detection of Latent HSCs Fated to Progress to Blast Phase in Myelofibrosis Patients Several Years Before Blast Transformation. Presented at the 12th International Congress on Myeloproliferative Neoplasms; October 24-25, 2019; New York, NY.

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Detection of Latent HSCs Fated to Progress to Blast Phase in Myelofibrosis Patients Several Years Before Blast Transformation - DocWire News

Global Stem Cell Therapy Market Global and Regional Analysis by Top Key Market Players, Key Regions, Product Segments, and Applications 2024 – Globe…

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The Stem Cell Therapy Market report provides company market size, share analysis in order to give a broader overview of the key players in the market. Additionally, the report also includes key strategic developments of the market including acquisitions & mergers, new product launch, agreements, partnerships, collaborations & joint ventures, research & development, product and regional expansion of major participants involved in the market on the global and regional basis.

Major Company Profiles Covered in This Report:

Anterogen Co.,Ltd.,RTI SurgicalInc.,Pharmicell Co.,Ltd.,MEDIPOST Co.,Ltd.,JCR Pharmaceuticals Co.,Ltd.,Holostem Terapie Avanzate S.r.l.,NuVasiveInc.,and AlloSource.

Some of the major objectives of this report:

1) To provide detailed analysis of the market structure along with forecast of the various segments and sub-segments of the global Stem Cell Therapy Market.

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3. To provide historical and forecast revenue of the Stem Cell Therapy Market segments and sub-segments with respect to four main geographies and their countries- North America, Europe, Asia, and Rest of the World.

4. Country level analysis of the market with respect to the current market size and future prospective.

5. To provide country level analysis of the market for segment by application, product type and sub-segments.

6. To provide strategic profiling of key players in the market, comprehensively analyzing their core competencies, and drawing a competitive landscape for the market.

7. Track and analyze competitive developments such as joint ventures, strategic alliances, mergers and acquisitions, new product developments, and research and developments in the global Stem Cell Therapy Market.

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Global Stem Cell Therapy Market Global and Regional Analysis by Top Key Market Players, Key Regions, Product Segments, and Applications 2024 - Globe...

Introducing: iPSC Collection from Tauopathy Patients – Alzforum

23 Oct 2019

A multi-institutional group, including members of the Tau Consortium, unveiled a stem cell tool kit for scientists studying primary tauopathies. In the November 12 issue of Stem Cell Reports, researchers co-led by Celeste Karch ofWashington University, St. Louis, and Alison Goate and Sally Temple of Icahn School of Medicine in New York, describe a collection of fibroblasts, induced pluripotent stem cells, and neural precursor cells. The cells come from 140 skin samples, some given by donors with richly documented clinical histories who carry pathogenic MAPT mutations or risk variants. Others come from noncarrier family members, patients with a sporadic tauopathy, and cognitively normal controls. The set includes induced pluripotent stem cell lines from 31 donors and 21 CRISPR-engineered isogenic lines. The cells are available to other researchers for study.

These types of high-quality repositories are becoming increasingly important for the scientific community, Clive Svendsen of the Cedars-Sinai Medical Center in Los Angeles wrote to Alzforum.

This is the way the field is going, agreed Lawrence Golbe of CurePSP, New York. Golbes organization funds research into progressive nuclear palsy (PSP) and related disorders, and collaborates with the Tau Consortium on other projects. Enthusiastic about the resources potential, Golbe hopes CurePSP grantees will get an automatic pass to use the cells.

Choice Mutations. Cells in the new iPSC collection carry some of the most common MAPT mutations, covering a wide range of clinical and neuropathological phenotypes of frontotemporal lobe dementia (FTLD)-Tau. [Courtesy of Karch et al., 2019.]

Tauopathies have proven difficult to study in animal models, in part because unlike other neuropathologies, they seem to afflict only humans (Heuer et al., 2012). Moreover, while adult human brains express approximately equal amounts of the tau spliced isoforms 3R and 4R, rodents produce almost exclusively 4R (Trabzuni et al., 2012). This is problematic. For example, leading proposals to explain how tau mutations cause disease point to abnormalities in splicing and microtubule binding, which differ between isoforms. The models we had been focusing on were not capturing the complexity of MAPT in human cells, said first author Karch. As a result, human induced pluripotent stem cells (iPSCs) have been gaining popularity in the field. The NINDS Human Cell and Data Repository is helping meet the demand by offering iPSC lines derived from 10 patients harboring MAPT mutations.

However, Karch and her collaborators think the field could benefit from a larger and more diverse collection of human cells, including isogenic iPSC lines. To accomplish this, they collected skin samples from 140 people carrying MAPT pathogenic mutations or risk variants, non-mutation carriers, and patients with sporadic PSP or corticobasal syndrome (CBS), most with comprehensive clinical histories. Although a few cells came from the NINDS repository, most came from patients participating in longitudinal studies at the Memory and Aging Center at the University of California, San Francisco, and the Knight Alzheimer Disease Research Center at WashU. The clinical records of most of these patients include detailed neurological and neuropathological workups, as well as fluid biomarkers and neuroimaging data collected from MRI, A-PET, and tau-PET studies.

To capture a broad range of phenotypes associated with some of the most common MAPT mutations, the authors created 36 fibroblast lines and 29 iPSC lines from individuals carrying the P301L, S305I,IVS10+16, V337M, G389R, and R406W mutations, as well as from carriers of the A152T variant, which increases the risk for both PSP and CBS (image above). The latter could be particularly useful for dissecting the mechanisms that underlie the phenotypic differences between the two diseases. The researchers also obtained iPSC lines from two noncarrier family members, and two people who suffered from autopsy-confirmed sporadic PSP. In addition, they stored fibroblast lines from 12 patients with sporadic PSP, five with CBS, 10 with a mixed PSP/CBS presentation, and 69 cognitively normal controls.

Biopsies are available for 27 of the 31 patients whose cells were used to generate iPSCs, and autopsy data for seven, including the two cases of sporadic PSP.

Importantly, the researchers edited 21 iPSC lines using CRISPR/Cas 9. They corrected cells with these mutations: MAPT IVS10+16,P301L, S305I, R406W, and V337M. Conversely, they inserted into control iPSCs these mutations: R5H, P301L,G389R, S305I, or S305S.

The authors also created a stem cell line carrying MAPT P301S,a mutation commonly overexpressed in tauopathy mouse models but not present in the available donors, by editing the P301L line. Isogenic lines are so powerful, particularly in these diseases which are so variable in their onset and progression, even within the same family, said Karch. Gnter Hglinger and Tabea Strauss at the German Center for Neurodegenerative Disease (DZNE) in Munich agreed. Having a pool of cell lines with different disease-linked mutations and risk variants from several individuals and their isogenic control cells is an excellent resource for the research community to enlighten disease mechanisms, they wrote (full comment below).

Several of the reported lines have already starred in recent studies of tauopathy mechanisms and candidate therapies (e.g., Sep 2019 conference news; Nakamura et al., 2019; Hernandez et al., 2019; Silva et al., 2019).

Karch and colleagues have partially differentiated some of the iPSCs and stored them as neural progenitor cells (NPCs), so that researchers can relatively easily thaw, expand, and differentiate them into neurons. These NPCs have proved useful for large-scale functional-genomics studies, proteomics, and genetic modifier screens (e.g., Cheng et al., 2017; Boselli et al., 2017;Tian et al., 2019).

In addition, the authors inserted a neurogenin-2 transgene into two healthy controls and two MAPT mutant stem cells, P301L and R406W. Neurogenin-2 enables low-cost, large-scale differentiation of stem cells into homogenous excitatory neurons. These transgenic cells are particularly useful for high-throughput drug screens (Wang et al., 2017; Sohn et al., 2019).

Researchers can request all the reported cells online at http://neuralsci.org/tau. They must provide a summary of experimental plans, an institutional material transfer agreement, and a nominal fee to cover maintenance and distribution costs. Karch said the process resembles that of the Coriell Institute and the NINDS repository. Our goal is to share with as few hurdles as possible, she said.

While the authors are still reprogramming fibroblasts they have already collected, they also plan to add more causative mutations, generate more isogenic lines, and obtain more cells from members of the same families to help shed light on phenotypic variability. In addition, Karch said, she hopes repository users will resubmit lines with new modifications they generate.

Jeffrey Rothstein, Johns Hopkins University, Baltimore, welcomed the new resource. I think it is great they have assembled this collection, he said. Rothstein founded and co-directs the Answer ALS research project, which has amassed 600 iPSC lines from controls and patients with amyotrophic lateral sclerosis (ALS).

Rothstein suggested the tauopathy collection may want to prioritize adding cells from donors with the most common form of disease, that is, sporadic. His group aims to generate 1,000 iPSC lines, with a large fraction representing sporadic diseasealso the most common form of ALSto identify the most prevalent disease subtypes. One strategy that has helped his group build their collection, he said, is using peripheral blood mononuclear cells instead of fibroblasts to create iPSCs. More donors are willing to donate blood than have a piece of skin punched out. In addition, iPSCs derived from blood cells are genetically more stable, he noted.

Rothstein emphasized the importance of assembling a large collection of healthy controls. Although isogenic controls are of great value, he cautioned they can be subject to artifacts. One problem is that the cell population can change due to selective pressures during CRISPR editing (Budde et al., 2017). To address this, Karch and colleagues are collecting not only modified iPSC clones, but also control clones that have gone through the editing pipeline but remain unmodified.

Stem-cell users studying tauopathies face another challenge: iPSC-derived neurons express primarily the fetal isoform of tau, 3R0N. However, citing a study that shows three-dimensional neuronal cultures switch to the adult profile relatively quickly (Miguel et al., 2019), Hglinger and Strauss wrote, [It] allows us to be optimistic that current challenges of this model system can be overcome in the future.Marina Chicurel

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Introducing: iPSC Collection from Tauopathy Patients - Alzforum