Patenting Stem Cell Inventions in India- What to Expect? – Lexology

Stem cells offer hope as a promising treatment option for various diseases and are the future of medicine. Embryonic stem cells, have been at the heart of many debates globally, in view of the embryonic destruction or manipulation that their generation may require. Converging between research and law, patent law and policy grant yet throw their own challenges to obtaining exclusivity.

In India, in addition to satisfying the criteria of novelty and inventive step, inventions need to fall outside the realm of Section 3 of the Patents Act, to be patentable. Presenting an additional bar to patentability, Section 3 enlists inventions which are not patentable. Owing to this section it is oftentimes the case that the claim scope granted in India is quite different from that granted in other jurisdictions.

Public order and morality

Over the years, the Indian Patent Offices perspective on the issue of patentability of inventions involving embryonic stem cells, appears to have changed. This change in stance is apparent from the changes in the Manual of Patent Office Practice and Procedure. The 2005 draft of said guidelines treated the use of human or animal embryos for any purpose against public order and morality and prohibited the same from patentability. This restriction however, was removed from the subsequent draft of the guidelines and has not reappeared ever since.

Inspite of this change in the guidelines, the Patent Office till date raises the public order and morality objection under section 3(b) of the Patents Act, on stem cell related inventions (both methods and stem cell products). The concern most frequently expressed is the possibility of destruction of human embryos. The prosecution history of several cases shows that an objection on public order and morality has been raised even if the claims do not call out embryonic stem cells but the specification mentions the possibility of use of embryonic stem cells. The objection is frequently overcome by excluding any reference to embryonic stem cells from the claims and by disclaiming the use of embryonic stem cells in the operation of the invention.

However, the approach of treating stem cell research against public order and morality appears to be in contrast to public policy in India. The National Guidelines for Stem Cell Research (published by ICMR and DBT under the Ministry of Science and Technology) prescribe conditions subject to which research on stem cells should be conducted. The conditions include verification that the blastocysts used are spare embryos. The guidelines also permit establishment of new human embryonic stem cell lines from spare embryos subject to the approval of certain committees. Clearly, these government guidelines permit safe and responsible stem cell research, including research on embryonic stem cells.

Moreover, it is a well-known fact that not every invention involving embryonic stem cells would necessitate destruction of human embryos and a lot of research is based on embryonic stem cell lines. Therefore, the indiscriminate imposition of objections under Section 3(b) requires change.

Parts of Plants or Animals and Products of Nature

While claims relating to methods of isolation and propagation of stem cells are frequently granted, the Indian Patent Office appears to have never granted even a single application with claims directed to stem cells per se.

This brings us to another common objection frequently encountered in stem cell applications, namely, Section 3(j) which prohibits from patentability plants and animals in whole or any part thereof other than micro-organisms but including seeds, varieties and species and essentially biological processes for production or propagation of plants and animals. Another commonly encountered objection is of Section 3(c) which bars the patentability of any living thing or non-living substance occurring in nature.

There is no judicial precedent that could throw light on what exactly constitutes parts of plants and animals under Section 3(j). The Patent Office considers any cell or tissue derived from plants or animals as parts of plants or animals leading to refusal of cell claims under this ground. Claims related to compositions comprising stem cells are also frequently refused as the compositions are treated as indirectly claiming stem cells. There have been some exceptions though, such as patent number 333231, where a composition comprising stem cells was granted.

A moot issue here is whether cells are actually parts of animals/plants or whether they can be treated as microorganisms. While the Patents Act permits the patentability of microorganisms (that do not occur in nature), the term microorganism has not been defined in either the Act or the manuals that the Patent Office has issued so far. In fact, even the TRIPS agreement which mandates member states to grant patents in relation to microorganisms does not define the term. The European Patent Office recognizes all generally unicellular organisms with dimensions beneath the limits of vision which can be propagated and manipulated in a laboratory. (T 0356/93) as microorganisms.

Since the Patents Act does not limit the scope of the term microorganism and if one were to accept the literary or dictionary meaning of the term microorganism, it would appear that the Patents Act does not prohibit from the scope of patentability cells, which are not visible to the naked eye or which are so small that they require a microscope for viewing.

Moreover, stem cells like induced pluripotent stem cell and human parthenogenetic stem cells, which are somatic cells or oocytes that have been induced to develop the characteristics of unrestrained propagation and ability to develop into any cell type, are markedly distinct from the parent cell from which they are derived and are new cell types altogether. Such cells are indeed creations of man and cannot qualify as an animal part. They are also not living substances that occur in nature and being purely man made fall outside the prohibitory restraint of Section 3(c).

In the absence of judicial precedents and well defined guidelines, the law in India in relation to patentability of stem cell research is at a nascent stage. The Indian Patent Office has been following an unwritten code in the examination of these applications but the approach currently adopted is debatable. It is important to offer robust patent protection to encourage innovation in all fields. While there has been some change in the Patent Offices approach to patentability of stem cells and claims related to methods of producing, culturing and isolation of stem cells, culture media for stem cells, etc., are commonly granted, there is still a lot that can be patented but is currently not. Hopefully, India will see some judicial precedents in the future that will clarify the patentability issues that this field is struggling with.

This article was first published by Legal Era

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Patenting Stem Cell Inventions in India- What to Expect? - Lexology

Scientists May Have Discovered a Way to to Slow Aging by Direct Reprogramming of Human Cells – SciTechDaily

Skin fibroblasts were successfully reprogrammed into the smooth muscle cells (red) and endothelial cells (white) which surround blood vessels. The cells nuclei are shown in blue. Credit: Bersini, Schulte et al. CC by 4.0

Salk study is the first to reveal ways cells from the human circulatory system change with age and age-related diseases.

Salk scientists have used skin cells called fibroblasts from young and old patients to successfully create blood vessels cells that retain their molecular markers of age. The teams approach, described in the journal eLife on September 8, 2020, revealed clues as to why blood vessels tend to become leaky and hardened with aging, and lets researchers identify new molecular targets to potentially slow aging in vascular cells.

The vasculature is extremely important for aging but its impact has been underestimated because it has been difficult to study how these cells age, says Martin Hetzer, the papers senior author and Salks vice president and chief science officer.

Research into aging vasculature has been hampered by the fact that collecting blood vessel cells from patients is invasive, but when blood vessel cells are created from special stem cells called induced pluripotent stem cells, age-related molecular changes are wiped clean. So, most knowledge about how blood vessel cells age comes from observations of how the blood vessels themselves change over time: veins and arteries become less elastic, thickening and stiffening. These changes can contribute to blood pressure increases and a heightened risk of heart disease with age.

From left: Martin Hetzer and Simone Bersini. Credit: Salk Institute

In 2015, Hetzer was part of the team led by Salk President Rusty Gage to show that fibroblasts could be directly reprogrammed into neurons, skipping the induced pluripotent stem cell stage that erased the cells aging signatures. The resulting brain cells retained their markers of age, letting researchers study how neurons change with age.

In the new work, Hetzer and his colleagues applied the same direct-conversion approach to create two types of vasculature cells: vascular endothelial cells, which make up the inner lining of blood vessels, and the smooth muscle cells that surround these endothelial cells.

We are among the first to use this technique to study the aging of the vascular system, says Roberta Schulte, the Hetzer lab coordinator and co-first author of the paper. The idea of developing both of these cell types from fibroblasts was out there, but we tweaked the techniques to suit our needs.

The researchers used skin cells collected from three young donors, aged 19 to 30 years old, three older donors, 62 to 87 years old, and 8 patients with Hutchinson-Gilford progeria syndrome (HGPS), a disorder of accelerated, premature aging often used to study aging.

The resulting induced vascular endothelial cells (iVECs) and induced smooth muscle cells (iSMCs) showed clear signatures of age. 21 genes were expressed at different levels in the iSMCs from old and young people, including genes related to the calcification of blood vessels. 9 genes were expressed differently according to age in the iVECs, including genes related to inflammation. In patients with HGPS, some genes reflected the same expression patterns usually seen in older people, while other patterns were unique. In particular, levels of BMP-4 protein, which is known to play a role in the calcification of blood vessel, were slightly higher in aged cells compared to younger cells, but more significantly higher in smooth muscle cells from progeria patients. This suggests that the protein is particularly important in accelerated aging.

The results not only hinted at how and why blood vessels change with age, but confirmed that the direct-conversion method of creating vascular endothelial and smooth muscle cells from patient fibroblasts allowed the cells to retain any age-related changes.

One of the biggest theoretical implications of this study is that we now know we can longitudinally study a single patient during aging or during the course of a treatment and study how their vasculature is changing and how we might be able to target that, says Simone Bersini, a Salk postdoctoral fellow and co-first author of the paper.

To test the utility of the new observations, the researchers tested whether blocking BMP4 which had been present at higher levels in smooth muscle cells developed from people with HGPS could help treat aging blood vessels. In smooth muscle cells from donors with vascular disease, antibodies blocking BMP4 lowered levels of vascular leakiness one of the changes that occurs in vessels with aging.

The findings point toward new therapeutic targets for treating both progeria and the normal age-related changes that can occur in the human vascular system. They also illustrate that the direct conversion of fibroblasts to other mature cell types previously successful in neurons and, now, in vascular cells is likely useful for studying a wide range of aging processes in the body.

By repeating what was done with neurons, weve demonstrated that this direct reprogramming is a powerful tool that can likely be applied to many cell types to study aging mechanisms in all sorts of other human tissues, says Hetzer, holder of the Jesse and Caryl Philips Foundation Chair.

The team is planning future studies to probe the exact molecular mechanisms by which some of the genes they found to change with age control the changes seen in the vasculature.

Reference: Direct reprogramming of human smooth muscle and vascular endothelial cells reveals defects associated with aging and Hutchinson-Gilford progeria syndrome by Simone Bersini, Roberta Schulte, Ling Huang, Hannah Tsai and Martin W Hetzer, 8 September 2020, eLife. DOI: 10.7554/eLife.54383

Other researchers on the study were Ling Huang and Hannah Tsai of Salk. The work was supported by grants from the National Institutes of Health, the NOMIS Foundation and an AHA-Allen Initiative in Brain Health and Cognitive Impairment award made jointly through the American Heart Association and the Paul G. Allen Frontiers Group. Simone Bersini was supported by the Paul F. Glenn Center for Biology of Aging Research at the Salk Institute.

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Scientists May Have Discovered a Way to to Slow Aging by Direct Reprogramming of Human Cells - SciTechDaily

Induced Pluripotent Stem Cells Market Global Growth Analysis and Forecast to 2024 | Top Players (BlueRock Therapeutics, Corning Life Sciences, EMD…

The Induced Pluripotent Stem Cells market analysis is provided for the international markets including development trends, competitive landscape analysis, and key regions development status. The report provides key statistics on the market status of the Induced Pluripotent Stem Cells manufacturers and is a valuable source of guidance and direction for companies and individuals interested in the industry.

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Study: The Speed Neurons Fire Impacts Their Ability to Synchronize – Lab Manager Magazine

Research conducted by the Computational Neuroscience Unit at the Okinawa Institute of Science and Technology Graduate University (OIST) has shown for the first time that a computer model can replicate and explain a unique property displayed by a crucial brain cell. Their findings, published Sept. 8 ineLife, shed light on how groups of neurons can self-organize by synchronizing when they fire fast.

The model focuses on Purkinje neurons, which are found within the cerebellum. This dense region of the hindbrain receives inputs from the body and other areas of the brain in order to fine-tune the accuracy and timing of movement, among other tasks.

"Purkinje cells are an attractive target for computational modeling as there has always been a lot of experimental data to draw from," said professor Erik De Schutter, who leads the Computation Neuroscience Unit. "But a few years ago, experimental research into these neurons uncovered a strange behavior that couldn't be replicated in any existing models."

These studies showed that the firing rate of a Purkinje neuron affected how it reacted to signals fired from other neighboring neurons.

Cell membranes have a voltage across them due to the uneven distribution of charged particles, called ions, between the inside and outside of the cell. Neurons can shuttle ions across their membrane through channels and pumps, which changes the voltage of the membrane. Fast firing Purkinje neurons have a higher membrane voltage than slow firing neurons.

Image modified from "How neurons communicate: Figure 2," by OpenStax College, Biology (CC BY 4.0)

The rate at which a neuron fires electrical signals is one of the most crucial means of transmitting information to other neurons. Spikes, or action potentials, follow an "all or nothing" principleeither they occur, or they don'tbut the size of the electrical signal never changes, only the frequency. The stronger the input to a neuron, the quicker that neuron fires.

But neurons don't fire in an independent manner. "Neurons are connected and entangled with many other neurons that are also transmitting electrical signals. These spikes can perturb neighboring neurons through synaptic connections and alter their firing pattern," explained De Schutter.

Interestingly, when a Purkinje cell fires slowly, spikes from connected cells have little effect on the neuron's spiking. But, when the firing rate is high, the impact of input spikes grows and makes the Purkinje cell fire earlier.

"The existing models could not replicate this behavior and therefore could not explain why this happened. Although the models were good at mimicking spikes, they lacked data about how the neurons acted in the intervals between spikes," De Schutter said. "It was clear that a newer model including more data was needed."

Fortunately, De Schutter's unit had just finished developing an updated model, an immense task primarily undertaken by now former postdoctoral researcher, Dr. Yunliang Zang.

Once completed, the team found that for the first time, the new model was able to replicate the unique firing-rate dependent behavior.

In the model, they saw that in the interval between spikes, the Purkinje neuron's membrane voltage in slowly firing neurons was much lower than the rapidly firing ones.

"In order to trigger a new spike, the membrane voltage has to be high enough to reach a threshold. When the neurons fire at a high rate, their higher membrane voltage makes it easier for perturbing inputs, which slightly increase the membrane voltage, to cross this threshold and cause a new spike," explained De Schutter.

The researchers found that these differences in the membrane voltage between fast and slow firing neurons were because of the specific types of potassium ion channels in Purkinje neurons.

"The previous models were developed with only the generic types of potassium channels that we knew about. But the new model is much more detailed and complex, including data about many Purkinje cell-specific types of potassium channels. So that's why this unique behavior could finally be replicated and understood," said De Schutter.

When a group of Purkinje neurons fire rapidly, loose synchronization occurs. This can be seen by the spikes occurring in groups at regular intervals (highlighted in yellow). When Purkinje neurons fire slowly, this synchronization does not occur.

OIST

The researchers then decided to use their model to explore the effects of this behavior on a larger-scale, across a network of Purkinje neurons. They found that at high firing rates, the neurons started to loosely synchronize and fire together at the same time. Then when the firing rate slowed down, this coordination was quickly lost.

Using a simpler, mathematical model, Dr. Sungho Hong, a group leader in the unit, then confirmed this link was due to the difference in how fast and slow firing Purkinje neurons responded to spikes from connected neurons.

"This makes intuitive sense," said De Schutter. He explained that for neurons to be able to sync up, they need to be able to adapt their firing rate in response to inputs to the cerebellum. "So this syncing with other spikes only occurs when Purkinje neurons are firing rapidly," he added.

The role of synchrony is still controversial in neuroscience, with its exact function remaining poorly understood. But many researchers believe that synchronization of neural activity plays a role in cognitive processes, allowing communication between distant regions of the brain. For Purkinje neurons, they allow strong and timely signals to be sent out, which experimental studies have suggested could be important for initiating movement.

"This is the first time that research has explored whether the rate at which neurons fire affects their ability to synchronize and explains how these assemblies of synchronized neurons quickly appear and disappear," said De Schutter. "We may find that other circuits in the brain also rely on this rate-dependent mechanism."

The team now plans to continue using the model to probe deeper into how these brain cells function, both individually and as a network. And, as technology develops and computing power strengthens, De Schutter has an ultimate life ambition.

"My goal is to build the most complex and realistic model of a neuron possible," said De Schutter. "OIST has the resources and computing power to do that, to carry out really fun science that pushes the boundary of what's possible. Only by delving into deeper and deeper detail in neurons, can we really start to better understand what's going on."

- This press release was originally published on theOIST website

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Study: The Speed Neurons Fire Impacts Their Ability to Synchronize - Lab Manager Magazine

Keio University gets OK for iPS-based heart cell transplant plan – The Japan Times

A health ministry panel on Thursday approved a Keio University clinical research project to transplant heart muscle cells made from induced pluripotent stem (iPS) cells into heart disease patients.

The research will be carried out by a team led by Prof. Keiichi Fukuda for three people between 20 and 74 suffering from dilated cardiomyopathy, which lowers the hearts power to pump blood. The first transplant will be conducted by the end of this year at the earliest.

The team will use iPS cells made by Kyoto University from the blood of a person who has a special immunological type with less risk of rejection.

The team will transform the iPS cells into heart muscle cells and inject about 50 million of them into the heart using a special syringe. Immunosuppressive drugs will be used for about half a year, and the team will spend a year checking to see whether the treatment leads to the development of tumors and irregular heartbeat or whether it restores heart function.

In January, Osaka University conducted the worlds first transplant of heart muscle cells made from iPS cells. The heart muscle cells were made into sheets and pasted on the surface of the patients heart so that a substance they emit can help regenerate the heart muscles. The cells themselves, however, disappear quickly.

Meanwhile, Keio University has confirmed in an experiment on monkeys that cells colonize after a transplant and heart function improves.

The university expects that transplanted cells will colonize over a long period also in the upcoming clinical research project.

According to the team, there are about 25,000 dilated cardiomyopathy patients in Japan.

A startup led by Fukuda is planning a clinical trial aimed at commercializing the iPS-derived cells, hoping they will also be used for the treatment of other cardiac diseases.

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Keio University gets OK for iPS-based heart cell transplant plan - The Japan Times

Stem Cell-Derived Cells Market Forecast to 2025: Global Industry Analysis by Top Players, Types, Key Regions and Applications – The Scarlet

The global Stem Cell-Derived Cells market study presents an all in all compilation of the historical, current and future outlook of the market as well as the factors responsible for such a growth. With SWOT analysis, the business study highlights the strengths, weaknesses, opportunities and threats of each Stem Cell-Derived Cells market player in a comprehensive way. Further, the Stem Cell-Derived Cells market report emphasizes the adoption pattern of the Stem Cell-Derived Cells across various industries.

The Stem Cell-Derived Cells market report examines the operating pattern of each player new product launches, partnerships, and acquisitions has been examined in detail.

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key players in stem cell-derived cells market are focused on generating high-end quality cardiomyocytes as well as hepatocytes that enables end use facilities to easily obtain ready-made iPSC-derived cells. As the stem cell-derived cells market registers a robust growth due to rapid adoption in stem cellderived cells therapy products, there is a relative need for regulatory guidelines that need to be maintained to assist designing of scientifically comprehensive preclinical studies. The stem cell-derived cells obtained from human induced pluripotent stem cells (iPS) are initially dissociated into a single-cell suspension and later frozen in vials. The commercially available stem cell-derived cell kits contain a vial of stem cell-derived cells, a bottle of thawing base and culture base.

The increasing approval for new stem cell-derived cells by the FDA across the globe is projected to propel stem cell-derived cells market revenue growth over the forecast years. With low entry barriers, a rise in number of companies has been registered that specializes in offering high end quality human tissue for research purpose to obtain human induced pluripotent stem cells (iPS) derived cells. The increase in product commercialization activities for stem cell-derived cells by leading manufacturers such as Takara Bio Inc. With the increasing rise in development of stem cell based therapies, the number of stem cell-derived cells under development or due for FDA approval is anticipated to increase, thereby estimating to be the most prominent factor driving the growth of stem cell-derived cells market. However, high costs associated with the development of stem cell-derived cells using complete culture systems is restraining the revenue growth in stem cell-derived cells market.

The global Stem cell-derived cells market is segmented on basis of product type, material type, application type, end user and geographic region:

Segmentation by Product Type

Segmentation by End User

The stem cell-derived cells market is categorized based on product type and end user. Based on product type, the stem cell-derived cells are classified into two major types stem cell-derived cell kits and accessories. Among these stem cell-derived cell kits, stem cell-derived hepatocytes kits are the most preferred stem cell-derived cells product type. On the basis of product type, stem cell-derived cardiomyocytes kits segment is projected to expand its growth at a significant CAGR over the forecast years on the account of more demand from the end use segments. However, the stem cell-derived definitive endoderm cell kits segment is projected to remain the second most lucrative revenue share segment in stem cell-derived cells market. Biotechnology and pharmaceutical companies followed by research and academic institutions is expected to register substantial revenue growth rate during the forecast period.

North America and Europe cumulatively are projected to remain most lucrative regions and register significant market revenue share in global stem cell-derived cells market due to the increased patient pool in the regions with increasing adoption for stem cell based therapies. The launch of new stem cell-derived cells kits and accessories on FDA approval for the U.S. market allows North America to capture significant revenue share in stem cell-derived cells market. Asian countries due to strong funding in research and development are entirely focused on production of stem cell-derived cells thereby aiding South Asian and East Asian countries to grow at a robust CAGR over the forecast period.

Some of the major key manufacturers involved in global stem cell-derived cells market are Takara Bio Inc., Viacyte, Inc. and others.

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Plasma Therapy Market Overview with Detailed Analysis, Competitive landscape, Forecast to 2025 – StartupNG

The Plasma Therapy market research report added by Market Study Report, LLC, is an in-depth analysis of the latest trends persuading the business outlook. The report also offers a concise summary of statistics, market valuation, and profit forecast, along with elucidating paradigms of the evolving competitive environment and business strategies enforced by the behemoths of this industry.

The Plasma Therapy market report provides with a broad perspective of this business space and contains crucial insights such as current and predicted remuneration of the industry, in consort with its size and valuation over the estimated timeframe.

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Genetics of the Tree of Life – Lab Manager Magazine

The African baobab tree (Adansonia digitata) is called the tree of life. Baobab trees can live for more than a thousand years and provide food, livestock fodder, medicinal compounds, and raw materials. Baobab trees are incredibly significant. However, there are growing conservation concerns and until now, a lack of genetic information.

The African baobab tree has 168 chromosomescritical knowledge for further genetic studies, conservation, and improvement for agricultural purposes. The findings were published in the journalScientific Reports. Previous studies estimated that the tree has between 96 and 166 chromosomes.

The African baobab tree has 168 chromosomes in total. USDA researchers used fluorescent probes to see the genetic components of individual chromosomes within the cells.

Islam-Faradi, Sakhanokho & Nelson

"We were able to unequivocally count the chromosomes," says Nurul Faridi, a USDA Forest Service research geneticist who co-led the study with Hamidou Sakhanokho, a USDA Agricultural Research Service research geneticist.

The researchers used fluorescent probes to see the genetic components of individual chromosomes within the cellswhich glow like jewels.

The analysis also revealed that the tree has a massive nucleolus organizer region (NOR). Relative to the main chromosome body, this region appears larger than that of any other plant species. During certain stages of the cell cycle, nucleoli form at the NORs. The nucleoli are essential for ribosome assembly and protein synthesis in eukaryotes and are an important feature that differentiates eukaryotes from prokaryotes.

"These genetic findings are foundational and will make genetic conservation of the African baobab tree more efficient and effective," says Dana Nelson, a coauthor and project leader of the Southern Research Station's genetic unit. "This research is also a precursor for tree breeding programs seeking to improve baobab for silvicultural applications."

- This press release was originally published on theUSDA Forest Service's Southern Research Station website

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First lab-made ‘mini-hearts’ mimic the real thing – Futurity: Research News

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Researchers have created, for the first time, a miniature human heart model in the laboratory.

The mini-hearts are complete with all primary heart cell types and a functioning structure of chambers and vascular tissue.

The organoids are small models of the fetal heart with representative functional and structural features. They are, however, not as perfect as a human heart yet. That is something we are working toward.

These mini-hearts constitute incredibly powerful models in which to study all kinds of cardiac disorders with a degree of precision unseen before, says Aitor Aguirre, assistant professor of biomedical engineering at Michigan State Universitys Institute for Quantitative Health Science and Engineering and senior author of the study on the work on the bioRxiv preprint server. In the United States, heart disease is the leading cause of death.

The researchers created the human heart organoids, or hHOs for short,by way of a novel stem cell framework that mimics the embryonic and fetal developmental environments.

Organoidsmeaning resembling an organare self-assembling 3D cell constructs that recapitulate organ properties and structure to a significant extent, says first author Yonatan Israeli, a graduate student in Aguirres lab.

The innovation deploys a bioengineering process that uses induced pluripotent stem cellsadult cells from a patient to trigger embryonic-like heart development in a dishgenerating a functional mini-heart after a few weeks. The stem cells are obtained from consenting adults and therefore free of ethical concerns.

This process allows the stem cells to develop, basically as they would in an embryo, into the various cell types and structures present in the heart, Aguirre says. We give the cells the instructions and they know what they have to do when all the appropriate conditions are met.

Because the organoids followed the natural cardiac embryonic development process, the researchers studied, in real time, the natural growth of an actual fetal human heart.

This technology allows for the creation of numerous hHOs simultaneously with relative ease, contrasting with existing tissue engineering approaches that are expensive, labor intensive and not readily scalable.

One of the primary issues facing the study of fetal heart development and congenital heart defects is access to a developing heart. Researchers have been confined to the use of mammalian models, donated fetal remains, and in vitro cell research to approximate function and development.

Now we can have the best of both worlds, a precise human model to study these diseasesa tiny human heartwithout using fetal material or violating ethical principles. This constitutes a great step forward, Aguirre says.

Whats next? For Aguirre, the process is twofold. First, the heart organoid represents an unprecedented look into the nuts and bolts of how a fetal heart develops.

In the lab, we are currently using heart organoids to model congenital heart diseasethe most common birth defect in humans affecting nearly 1% of the newborn population, Aguirre says. With our heart organoids, we can study the origin of congenital heart disease and find ways to stop it.

And second, while the hHO is complex, it is far from perfect. For the team, improving the final organoid is another key avenue of future research.

The organoids are small models of the fetal heart with representative functional and structural features, Israeli says. They are, however, not as perfect as a human heart yet. That is something we are working toward.

The researchers are excited about the wide-ranging applicability of these miniature hearts. They enable an unprecedented ability to study many other cardiovascular-related diseasesincluding chemotherapy-induced cardiotoxicity and the effect of diabetes, during pregnancy, on the developing fetal heart.

Additional researchers from Michigan State and Washington University in St. Louis contributed to the work.

The American Heart Association and the National Institutes of Health funded the study.

Source: Michigan State University

Original Study DOI: 10.1101/2020.06.25.171611

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First lab-made 'mini-hearts' mimic the real thing - Futurity: Research News

Induced Pluripotent Stem Cells Market Size Is Anticipated To Reach US$ 17200 Mn at a CAGR of 7% By 2026, Owing to Increasing Number of Product…

The healthcare industry has been focusing on excessive research and development in the last couple of decades to ensure that the need to address issues related to the availability of drugs and treatments for certain chronic diseases is effectively met. Healthcare researchers and scientists at the Li Ka Shing Faculty of Medicine of the Hong Kong University have successfully demonstrated the utilization of human induced pluripotent stem cells or hiPSCs from the skin cells of the patient for testing therapeutic drugs.

The success of this research suggests that scientists have crossed one more hurdle towards using stem cells in precision medicine for the treatment of patients suffering from sporadic hereditary diseases. iPSCs are the new generation approach towards the prevention and treatment of diseases that takes into account patients on an individual basis considering their genetic makeup, lifestyle, and environment. Along with the capacity to transform into different body cell types and same genetic composition of the donors, hiPSCs have surfaced as a promising cell source to screen and test drugs.

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In the present research, hiPSC was synthesized from patients suffering from a rare form of hereditary cardiomyopathy owing to the mutations in Lamin A/C related cardiomyopathy in their distinct families. The affected individuals suffer from sudden death, stroke, and heart failure at a very young age. As on date, there is no exact treatment available for this condition.

This team in Hong Kong tested a drug named PTC124 to suppress specific genetic mutations in other genetic diseases into the iPSC transformed heart muscle cells. While this technology is being considered as a breakthrough in clinical stem cell research, the team at Hong Kong University is collaborating with drug companies regarding its clinical application.

The unique properties of iPS cells provides extensive potential to several biopharmaceutical applications. iPSCs are also used in toxicology testing, high throughput, disease modeling, and target identification. This type of stem cell has the potential to transform drug discovery by offering physiologically relevant cells for tool discovery, compound identification, and target validation.

A new report by Persistence Market Research (PMR) states that the globalinduced pluripotent stem or iPS cell marketis expected to witness a strong CAGR of 7.0% from 2018 to 2026. In 2017, the market was worth US$ 1,254.0 Mn and is expected to reach US$ 2,299.5 Mn by the end of the forecast period in 2026.

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Customization to be the Key Focus of Market Players

Due to the evolving needs of the research community, the demand for specialized cell lines have increased to a certain point where most vendors offering these products cannot depend solely on sales from catalog products. The quality of the products and lead time can determine the choices while requesting custom solutions at the same time. Companies usually focus on establishing a strong distribution network for enabling products to reach customers from the manufacturing units in a short time period.

Entry of Multiple Small Players to be Witnessed in the Coming Years

Several leading players have their presence in the global market; however, many specialized products and services are provided by small and regional vendors. By targeting their marketing strategies towards research institutes and small biotechnology companies, these new players have swiftly established their presence in the market.

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Induced Pluripotent Stem Cells Market Size Is Anticipated To Reach US$ 17200 Mn at a CAGR of 7% By 2026, Owing to Increasing Number of Product...