Celyad gets FDA Fast Track to Tackle Heart Failure with Cell Therapy – Labiotech.eu (blog)

Celyad has received Fast Track Designation from the FDA for C-Cure, a cell therapy aimed to treat heart failure with the patients own stem cells.

Celyad is confident that the announcement of Fast Track Designation from the FDA will help it accelerate the search for a partner to develop C-Cure, a cell therapy for ischemic heart failure. After running a Phase III trial in Europe that didnt meet its primary endpoint, the Belgian biotech identified a subpopulation of more of 60% of patients that did show a significant improvement and is now determined to try again once it finds financial support.

CelyadsC-Cure technology consists in the harvest of the patients bone marrow, which is treated with growth factors and then re-injected into the heart to grow new functional muscle in the area lost due to infarction. The therapy is complementary to Celyads main focus, immuno-oncology. The company is well-known for developing an allogeneic version of the promising CAR-T technologythat recently triggered a license agreement with Novartis.

Image viaJolygon/Shutterstock

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Celyad gets FDA Fast Track to Tackle Heart Failure with Cell Therapy - Labiotech.eu (blog)

This Gun Sprays Stem Cells, Helps Burn Victims Grow Skin in Days – Men’s Health


Men's Health
This Gun Sprays Stem Cells, Helps Burn Victims Grow Skin in Days
Men's Health
A revolutionary new technique is enabling burn victims to heal quicker, less painfully, and with more normal skin. And it's all thanks to a gun. The SkinGun sprays stem cells onto wounds and allows patients to grow a new, healthy layer of skin in as ...

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This Gun Sprays Stem Cells, Helps Burn Victims Grow Skin in Days - Men's Health

Stop MS: Buena Vista’s Chris Martin set to try cutting-edge stem cell program – Chaffee County Times

Buena Vista resident Chris Martin just wants to stop the progression. Diagnosed with multiple sclerosis almost 11 years ago, Martin is set to begin his first round of experimental umbilical stem cell therapy from Denver Regenerative Medicine next month.

Martin experienced his first symptoms in 2006, while running the Super 8 motel in town. He was having difficulty counting money, using his hands and walking.

Initially Martin and doctors thought it could have been a stroke or a tumor, but that was quickly shown not to be the case following an MRI.

While the initial MRI showed some signs of potential multiple sclerosis, doctors cant diagnose patients with the disease until additional symptoms or followup attacks are shown. It took another 2 years before Martin was diagnosed.

Whats terribly frustrating with all these diseases, whether its Parkinsons, MS or Alzheimers, is they dont really know what causes it, why it goes fast, they dont know why it goes slow (in some cases). They dont know if Copaxone is going to be good for you or if Rebif is going to be good for you. They just dont know. It was just a big shrug of the shoulders, Martin said about initially dancing through the minefield of doctors and diagnoses when he was first seeking treatment.

Rebif and Copaxone are both medications used to treat MS, both prescribed to Martin at various times over the years.

In laymens terms, MS happens when your immune systems attacks the fatty myelin materials that wrap around your protective nerve fibers, making it difficult for you brain and body to communicate effectively.

Since the nervous system doesnt work as intended, sufferers of MS can experience muscle spasms, numbness and tingling in parts of the body and trouble walking, among many other symptoms.

It was probably about 2015 that my leg started twitching at night and not really a lot of pain, just discomfort especially in my left leg which feels like it weighs about 400 pounds, Martin said, while manually stretching out the leg with his right arm. At least in this stage of MS, its not terribly painful, but I started to get symptoms of twitching at night time which is pretty common. The only thing that really seemed to calm it down was medical marijuana.

To help sleep, Martin usually takes an indica strain marijuana edible at night to help with the twitching and to get restful sleep, he said.

Indica strains, as opposed to the sativa strains, are know for their physically sedating effects and can help with physical and mental relaxation.

Martin also found some solace in juicing the leaves of marijuana plants, but said it became too difficult because of the amount of leaves needed for the juice.

Doctors do not yet know what causes the disease, but research into various forms of stem cell therapy have shown promise to ease symptoms and to slow or even stop the progression of the disease.

Martin began looking into clinics and stem cell therapy options last year.

Various forms of stem cell treatment exist, including bone marrow transplants and a form of stem cell therapy that utilizes cells taken from adipose tissue, or fat cells, harvested from the patients own body. After talking with several clinics and doctors, Martin decided on umbilical stem cell therapy.

The treatments, however, are costly and Martins insurance provider will not cover the experimental procedure.

None of these stem cell clinics claim to cure anything for obvious reasons. Some people maybe dont get anything from it (treatment), maybe they get a little bit better. So if you get a little bit better and spend $20,000, is the patient happy or not happy? Its a quality of life question, Martin said.

Martin met with a doctor at Denver Regenerative Medicine who explained the process.

A bio company harvests the stem cells and processes them before shipping them to doctors practicing regenerative medicine across the country. Then the stem cells are injected through an IV.

He will be only the third MS patient to receive this form of stem cell therapy from the doctor administering it, Martin said.

The company harvesting the stem cells is Burst Biologics, Martin said.

One patient that had received stem cell treatment from Denver Regenerative Medicine told Martin that the first 24 hours after the stem cell injection, she had a euphoric experience.

She was walking well and had even cleaned her entire house after relying on a wheelchair and cain prior to the injection. After the initial 24 hours, however, she told Martin that the effects from the injection had begun to go away and she felt like she had prior to the injection.

After about a month, she started to feel good again and shes no longer in a wheelchair and shes walking really well with her cane, Martin said she told him. She highly recommends it. She just cant believe how good shes feeling.

Another patient from Denver Regenerative Medicine told Martin that after his injection and a followup injection, he hasnt seen much of an effect.

My gut feeling is the doctors good because hes kind of on the leading edge, but hes not the key to this stem cell. Its the biology company, in my opinion, is the brains behind all of this because theyre the ones harvesting the stem cells, processing it and getting it ready, Martin said.

With around a month before Martin begins his first treatment, he said hes solely focused on getting his body in the best shape possible.

I want to get my body as strong as possible to react to the stem cells the best that it can. And that involves more trips to the gym, getting my hormones balanced correctly and making sure that I dont miss a dose of any of my nutritional medicines, Martin said.

A little over a decade since Martin was diagnosed, he said he can feel the progression of the disease gradually increasing day-to-day.

By trade, Martin is an engineer, making the mysterious nature and complications of the disease difficult to come to terms with since there is no workable or obvious solution, but maybe the stem cell injection will help. Hes optimistic.

Its gotten worse in the last 2 years, so my ability to move in the last 2 years has been hard. Now its been almost 11 years and the last two years, its definitely slid faster than the previous 9. As an engineer, I think about it as accelerating and I ask the doctor why and its I dont know, Martin said. Statistically, the doctor did say in the old days, you either go down relatively quick, like a 25-year-old gets MS and theyre in a wheelchair at 27 or they do pretty well for 10 years and then it starts to drop off. And Im at my 10 years, so yeah, Im concerned about it dropping off. I would like it to stabilize and I would like to get the word out to other people from Parkinsons to MS to neurological mysteries to keep pushing the industry forward. Im excited about it, thats the bottom line.

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Stop MS: Buena Vista's Chris Martin set to try cutting-edge stem cell program - Chaffee County Times

Vail Daily column: School district has model partnership with medical center – Vail Daily News

Our school district goes out of its way to develop meaningful and impactful partnerships with all kinds of groups in our valley. We understand that we can't solve all of our community's problems on our own. That's why we've reached out to community organizations to try to develop systems of support for all of our students.

One model partnership we are very proud of is the collaboration and support we get from Vail Valley Medical Center. On top of providing quality medical care, VVMC is also very good to our kids and schools.

One major area where VVMC supports our students is through medical coverage for our athletes. Annually, VVMC provides $188,000 in support and medical care, including two certified athletic trainers who are available to our athletes.

VVMC also supports a program called ThinkFirst, which teaches students about preventable injuries. Sure, kids will be kids, but ThinkFirst is a proven program designed to help students think through the consequences of their actions before leaping.

VVMC also hosts field trips from schools to the hospital and research labs on a regular basis. Students get to see the medical profession in action, as well as see some of the cutting-edge research VVMC is doing around sports medicine and stem-cell work. These tours give our students an understanding of what a career in medicine might look like and what kinds of jobs might be available for their futures.

VVMC sponsors a program aimed at reducing skin cancer and premature aging through its Sun Safety program. This program introduces elementary school children to the dangers of overexposure to sun and provides sunscreen free to the students and their families.

VVMC is also a big supporter of our community education foundation, the Education Foundation of Eagle County. By supporting the foundation and events such as Project Funway and Wild West Day, VVMC provides classroom and instructional supports that go directly to students.

Looking ahead, we're excited about working with VVMC to also add career/technical pathways for our students into the medical profession. Through experience-based learning opportunities such as apprenticeships and internships, as well as high school credit courses in the medical field, our partnership with VVMC can help us provide a great on-ramp to a career in the medical field.

It really does "take a village" to raise a child, and we're proud of our partnership with VVMC as a model example of how the community school system and the community health care system can work together for the betterment of kids in Eagle County.

Jason E. Glass is the superintendent of Eagle County Schools. He can be reached at jason.glass@eagleschools.net.

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Vail Daily column: School district has model partnership with medical center - Vail Daily News

Stem Cell Vaccine Found to Increase Immune Responses, Inhibit Tumors – University of Cincinnati

Stem Cell Vaccine Found to Increase Immune Responses, Inhibit Tumors

CINCINNATIResearchers at the University of Cincinnati (UC) have found that a cancer stem cell vaccine, engineered to express a pro-inflammatory protein called interleukin-15 (IL-15) and its receptor (IL-15Ralpha), caused T cell production in animal models and enhanced immune responses against tumors.

This T cell production showed a cellular immune response that could lead to new immunotherapy treatments for cancer with improved side effects.

These findings are being presented via poster abstract at the American Society of Gene and Cell Therapys annual meeting in Washington, D.C., May 10-13.

"IL-15 is a powerful stimulator of the maturation and activation of T cells and natural killer cells that recognize and attack tumor cells. Human IL-15 was first used in Phase I clinical trials to test its efficacy for treatment of a number of cancers, including melanoma and kidney cancer, but caused a number of side effects that made high doses difficult for patients to tolerate, says John Morris, MD, co-author of this study, clinical co-leader of the Molecular Therapeutics and Diagnosis Program for the Cincinnati Cancer Consortium, co-leader of the UC Cancer Institute's Comprehensive Lung Cancer Program, professor in the Division of Hematology Oncology at the UC College of Medicine and UC Health medical oncologist.

"In this work, we showed that transferring the genes for both IL-15 with its receptor into cancer cells increased the cell-surface presentation of IL-15 to T cells, and in turn, stopped the tumor cells from reproducing with little evidence of side effects in animal models.

"In an effort to enhance antitumor activity and reduce side effects, we studied a vaccine targeting cancer stem cells, the cells in a tumor thought to be resistant that give rise to recurrent tumors after treatment, by genetically altering them to express IL-15 and IL-15Ralpha to see if lung cancers implanted in animal models shrunk.

Using animal models and their lung cancer cell lines, researchers introduced the IL-15/IL-15Ralpha-modified lung cancer stem cells as a vaccine and saw dramatically inhibited tumor growth.

"Animal lung cancer stem cells expressing IL-15 and IL-15Ralpha stimulated proliferation of T cells suggesting the ability to enhance immune responses, he says. "These findings further support evidence of IL-15s ability as a cancer treatment. We are continuing vaccination studies in animal models with hopes of moving this research to a Phase I trial in humans to see if side effects are reduced.

Donatien Toukam, PhD, post-doctoral fellow in the Division of Hematology Oncology, is the lead author of this study funded in part by the Lcs Foundation. He cites no conflicts of interest.

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Stem Cell Vaccine Found to Increase Immune Responses, Inhibit Tumors - University of Cincinnati

Tucson Health and wellness events, support groups and more – Arizona Daily Star

HEALTH AND WELLNESS

All events are free unless otherwise noted.

Widowed to Widowed The Fountains at La Cholla, 2001 W. Rudasill Road. Offers group discussion and support. 10-11 a.m. Mondays. 797-2001.

Interfaith Spiritual Support Group Parlor at First Christian Church, 740 E. Speedway. An interfaith spiritual support group for adults affected by mental health disorders. 6-7:30 p.m. May 15. 624-8695.

Healthy Living with Chronic Pain Desert Harmony Hospice of Tucson, 1200 N. El Dorado Place. Six-week interactive workshop for individuals living with chronic pain and their caregivers. Ages 18 and up. 1-3:30 p.m. Tuesdays. $35. 305-3410.

Taekwondo Wellness Intuition Wellness Center, 5675 N. Oracle Road. Learn traditional Taekwondo, philosophy and core principles, self-care, stress management, coping skills, social skills and mindfulness meditation. 4:15 p.m class for ages 7-12; 5:15 p.m. for ages 12 and up. 4:15-5:15 p.m. Tuesdays and Thursdays; 5:15-6:15 p.m. Tuesdays and Thursdays. $20. 333-3320.

Right treatment, right person, right time: Progress in precision cardiovascular care at the Sarver Heart Center Banner-University Medical Center Tucson, 1501 N. Campbell Ave. Learn about human "disease in a dish," induced pluripotent stem cell (iPSC) technology that has the potential to completely change medicine in terms of understanding individual variation, underlying disease mechanisms, transforming and personalizing drug discovery and targeting treatments, sometimes at the level of correcting a single gene mutation. 6-7:15 p.m. May 17. 626-2901.

Beyond Movement: Cognition and Emotion PWR! Gym, 140 W. Fort Lowell Road. Marisa Menchola will introduce the most common cognitive and emotional changes experienced by people with Parkinson Disease. 4-5:30 p.m. May 18. 591-5346.

Experience Wellness: A day of activities and education Thrive Wellness Collective, 4737 N. First Ave. Free mini treatments, demos, lectures, snacks and door prizes. 11 a.m.-3 p.m. May 20. 477-2107.

Free Eye Exams St. Elizabeth's Health Center, 140 W. Speedway. Will screen for cataracts, glaucoma, macular degeneration, dry eyes and complications related to diabetes. Call to make an appointment. 8 a.m.-noon. May 20. 694-1471.

Depression: Share your story to help someone else get through it... Call for guests on The Depression Session The Depression Session on Downtown Radio, One E. Toole Ave. Share your story of Depression on 99.1FM Downtown Radio, and help de-stigmatize depression. Prerecorded and edited. Contact: lmilkins@gmail.com. Ages 18 and up. Noon-12:30 p.m. Sundays.

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Tucson Health and wellness events, support groups and more - Arizona Daily Star

INTERNATIONAL REGENERATIVE MEDICINE COMMUNITY TO … – EconoTimes

INTERNATIONAL REGENERATIVE MEDICINE COMMUNITY TO CONVENE FOR 13TH WORLD STEM CELL SUMMIT IN MIAMI, JANUARY 2018

The 13ththWorld Stem Cell Summit http://www.worldstemcellsummit.com is taking place January 23-26, 2018 at the Hyatt Regency Miami. Produced by the nonprofit Regenerative Medicine Foundation (RMF), the event is the global ecosystem meeting for advanced therapies; fostering public understanding, promoting positive policy initiatives and collaborations.

The World Stem Cell Summit will be co-located with the fields premier industry partnering event, Phacilitate Leaders Forum, Cell & Gene Therapy World and Immunotherapy World.

In addition to compelling keynotes, plenary and focus sessions, thediverse four-day program includesexpert lunch roundtables; a centrally located Expo packed with innovators in industry, academia and government; a poster forum showcasing science and policy research; the galaStem Cell Action Awards Dinnerhttp://regmedfoundation.org/awards/; as well as many exclusive networking and partnering opportunities.

RMF Executive Director Bernard Siegel, founder and co-chair of the Summit said, We are proud to select Miami to be our host for the next World Stem Cell Summit. Miami is often referred to as the 'City of the Future' and in 2018 it will be the center of the stem cell universe. Its the perfect venue for Summit attendees to gain knowledge, network and collect opportunities to advance their goals, in a superlative, cosmopolitan setting.

ABOUT RMFRegenerative Medicine Foundation is dedicated to accelerating regenerative medicine to improve health and deliver cures. RMF pursues its mission by producing its flagship World Stem Cell Summit, honoring leaders through the Stem Cell Action Awards http://worldstemcellsummit.com/stem-cell-action-awards/, publishing the World Stem Cell Report and RegMed Newsletter, organizing educational initiatives such as the upcoming Regenerative Medicine Essentials Course http://www.wakehealth.edu/Research/WFIRM/RMEssentials/Regenerative-Medicine-Essentials.htm and fostering strategic collaborations.

For more information about RMF, visitwww.regmedfoundation.orgor contact Bernard Siegel directly at Bernard@regmedfoundation.org.

Attachments:

A photo accompanying this announcement is available at http://www.globenewswire.com/NewsRoom/AttachmentNg/64ef8cd8-84a3-4130-8a8f-f1e020eaeba3

Human Life Could Be Extended Indefinitely, Study Suggests

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Does an anomaly in the Earth's magnetic field portend a coming pole reversal?

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INTERNATIONAL REGENERATIVE MEDICINE COMMUNITY TO ... - EconoTimes

Mixing Music and Medicine: Meet Grammy-Nominated Producer Nana Kwabena – NBCNews.com

Grammy award winning recording artist Bilal with his son Ramzee, who suffers from Sickle Cell, at Sickle Cell Thalassemia Patients Network (SCTPN) in Brooklyn, NY. Karole Collier

Before getting into music professionally, you were actually on the path to a very different career in the medical field. What brought about the change in your career path?

Nana Kwabena: I don't come from a musical family. I was actually raised to become a doctor and I was pre-med in college. That was the path that my parents wanted me to take. As much as my parents pushed me down this path, my mom knew that I was going to be a musician. They were all just in denial about it because being a musician was taboo as a first-gen Ghanaian-American.

I went through school with two different lives. On one hand I'm studying to become a doctor with the idea of using that expertise to treat sickle cell disease by day, but then by night I was living a whole different life. I would be in Philly and have about 30 different Philly rappers in the room, their own Wu-Tang if you will, and I'm producing beats and then I have to say alright guys it's six in the morning and I'm going to get an hour of sleep and then go take organic chemistry.

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I remember graduating from UPenn [University of Pennsylvania] and thinking that these two things are getting too big and something's got to give. I never quite knew how to make them work in concert with each other, so what do you do? You buy time.

I deferred my acceptance to George Washington University, to the Milken School of Public Health with the hopes of making it in music. I moved to New York and gave myself a year with the idea that if that didn't work out, I was going to go back and continue pursuing the medical field. In my first year in New York I wrote a song with John Legend and thought maybe I should continue.

In 2011, when you were just starting off in the music industry, you lost your younger brother Kwame to sickle cell disease. How did that experience mobilize you to bring your background in the medical field and music together in order to raise awareness about the disease?

All of a sudden these two halves of my life (music and medicine) that always felt in conflict with each other, once my brother passed they became one. They became the yin and yang to each other. Music and the medicine. Music was the medicine. So out of that I created a non- profit called AllOneBlood with the idea to change the conversation around sickle cell disease.

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My brother Kwame had conviction and he had passion and that was always his default and it didn't matter who you were. He was just always unapologetic about his own light and what he believed in. So when he passed I think that I inherited that idea of really just being able to be audacious, regardless of what people think you're supposed to be or the limitations you may have.

Death really, really clarifies things. It puts life in perspective. It gave me the ability to realize that sickle cell did not have to be a forgotten disease and we could educate people and rally around the cause for a cure.

As someone who suffers from sickle cell disease, what would you say are some of the major misconceptions that people have about it? How is your organization AllOneBlood working to help change that?

I think sickle cell is a disease that within the context of America feels like a black disease, or it only affects black people and because of that it kind of becomes a disease that gets less attention. There are diseases that affect far less people in number and have ten times the budget for their national organizations.

I think there are a lot of misconceptions around the disease or thoughts around the disease that make people feel like if they don't suffer from it, then they can't support it. There are many faces to sickle cell disease and a lot of people don't know that. What AllOneBlood tries to do is kind of just change the conversation around the disease and kind of open up the spectrum to show that on a global level when you remove this national lens you see that it affects people of all races.

There's also this stigma with chronic disease where we feel like when you have these things you have to hide it. I studied abroad in Ghana while in college and I did a research study looking at elementary aged children that had sickle cell disease and whether or not they disclosed or concealed having the disease.

There were many kids that had sickle cell disease and they would endure sickle cell pain crisis, which are like terrible, awful pain attacks. It's the kind of pain that I have had as an adult and have been screaming to the top of my lungs, so imagine a kid dealing with this. These children would be at home having that level of pain and would go into a closet in their bedroom and close the door where they would stay and sob, not telling their parents. Why? It was because they didn't want to go to the hospital and miss school the next day and have people say oh that person missing might be a 'sickler'.

I wanted the conversation around the disease to go beyond the notion that this is something that is debilitating or that this is something that cripples us and it be looked at as a feature. I decided that I would let everyone and anyone know that I have sickle cell. When you can be in tune with the things that make you different it actually makes you stronger. It makes you powerful.

In your opinion, what role can music play in creating change and what responsibility do music and musicians have to use their art to effect change?

Music is one of the biggest and easiest and most effective ways to connect people that would otherwise not be connected to each other.

I've always appreciated artists' who made art that wasn't just art for art's sake. It was art that actually had real tangible impact on people's lives. I grew up listening to Bob Marley, Michael Jackson, Fela Kuti and Tupac. These were people for me that if you only made the rubric about creatives then they were the best. But, if you also open up the rubric and judge them in terms of the real impact they had on the world, these are people whose music shifted the entire world.

That's what I want to use music for. I don't want to just use music to be someone that's like, yeah we'll just make dope beats and have fun and it will be an escape to the harsh realities of the world.

I want it to be a tool that deals with the harsh realities of the world. That to me is the motto that I live by and I've always loved the ability music has to have that kind of influence.

It's actually bigger than music, but the music is a very strong vehicle to help effect real change in people's lives. And, I've had the pleasure of working with not only creative people and really talented people in that way, but some of the best and greatest spirits of our generation as well.

What are some things you do that you help manage sickle cell disease and what keeps you motivated?

Your general health and general well-being has a large effect on how you deal with sickle cell and whether or not you have attacks. Your nutrition is the biggest thing. If you can have a healthy diet and stay away from too much processed food as well as properly hydrate yourself and also exercise, it is so important. These are some of the things that I do. Being in a positive mental space is also extremely important.

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Although there are some limitations due to sickle cell disease I encourage those who also have the disease to push themselves to live a wholesome life and not allow it to be something that stops your from living your dreams or simply living.

What keeps me motivated is being around people and finding inspiration that keeps that torch inside of me fueled. To not feel anything at all is a dangerous thing and I spend most of my life trying to guard my own fire, protect my fire and then add to that fire.

John Legend visiting the Sickle Cell Pediatrics unit at the Children's Hospital Los Angeles with AllOneBlood. He spent time and spoke with the kids who were getting treatment, surprising them with a performance in between rounds of treatment and therapy. Corwin Levi

What is the progress you have seen in terms of awareness and education about sickle cell since you started AllOneBlood in 2012?

I think that there have been tremendous strides made recently where there are treatments that could cure the disease, but not a lot of people know about them. However, the beauty of this is that the disease is actually curable in within our lifetime.

AllOneBlood partnered Universityof Illinois Medical School, where doctors recently cured sickle cell disease in 16 of 19 patients without using traditional chemotherapy in 2016. This year, we're working to raise funds so that more families who qualify for the treatment can be covered in addition to helping families across the country with other care related expenses.

My goal is to make it (a cure) a reality and that's what my life is dedicated to. My life is literally using music as the vehicle to cure sickle cell disease off the planet. I really have two goals that's one of them. The second is building the bridges throughout the African diaspora.

I'm Ghanaian-American and I really have this belief that Africa has this desire for all of its children to be able to recognize Africa no matter the time goes by. Africa has been erased and has been consistently been erased from history of its contributions to the entire world. My life is about making sure that it gets the recognition that it deserves.

Nana Kwabena Oz Shaw

What's next for AllOneBlood and what can we expect from you as far as new music projects this year?

We are working on our inaugural fundraiser gala where we will bring all our partners together to share information and enjoy performances that will contribute to making a difference. Right now we are in the planning phases of that and we really look forward to that. That's what's next for AllOneBlood in particular.

Outside of that, creatively, more music is on the way. I'm working on a couple of projects. Janelle's getting ready to drop what I actually believe is going to be her best album, which I've had the pleasure of being involved with. Jidenna and I are working on album two, there's also a short film. There's a lot going on, but I'm just trying to live the most fully expressed life and be on the highest vibration as long as I possibly can.

For more information on the non-profit All One Blood, please visit

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Mixing Music and Medicine: Meet Grammy-Nominated Producer Nana Kwabena - NBCNews.com

Stem cell vaccine found to increase immune responses, inhibit tumors in animal models – Medical Xpress

May 10, 2017 John Morris, M.D. Credit: University of Cincinnati

Researchers at the University of Cincinnati (UC) have found that a cancer stem cell vaccine, engineered to express a pro-inflammatory protein called interleukin-15 (IL-15) and its receptor (IL-15Ralpha), caused T cell production in animal models and enhanced immune responses against tumors.

This T cell production showed a cellular immune response that could lead to new immunotherapy treatments for cancer with improved side effects.

These findings are being presented via poster abstract at the American Society of Gene and Cell Therapy's annual meeting in Washington, D.C., May 10-13.

"IL-15 is a powerful stimulator of the maturation and activation of T cells and natural killer cells that recognize and attack tumor cells. Human IL-15 was first used in Phase I clinical trials to test its efficacy for treatment of a number of cancers, including melanoma and kidney cancer, but caused a number of side effects that made high doses difficult for patients to tolerate," says John Morris, MD, co-author of this study, clinical co-leader of the Molecular Therapeutics and Diagnosis Program for the Cincinnati Cancer Consortium, co-leader of the UC Cancer Institute's Comprehensive Lung Cancer Program, professor in the Division of Hematology Oncology at the UC College of Medicine and UC Health medical oncologist. "In this work, we showed that transferring the genes for both IL-15 with its receptor into cancer cells increased the cell-surface presentation of IL-15 to T cells, and in turn, stopped the tumor cells from reproducing with little evidence of side effects in animal models.

"In an effort to enhance antitumor activity and reduce side effects, we studied a vaccine targeting cancer stem cells, the cells in a tumor thought to be resistant that give rise to recurrent tumors after treatment, by genetically altering them to express IL-15 and IL-15Ralpha to see if lung cancers implanted in animal models shrunk."

Using animal models and their lung cancer cell lines, researchers introduced the IL-15/IL-15Ralpha-modified lung cancer stem cells as a vaccine and saw dramatically reduced tumor growth.

"Animal lung cancer stem cells expressing IL-15 and IL-15Ralpha stimulated proliferation of T cells suggesting the ability to enhance immune responses," he says. "These findings further support evidence of IL-15's ability as a cancer treatment. We are continuing vaccination studies in animal models with hopes of moving this research to a Phase I trial in humans to see if side effects are reduced."

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Stem cell vaccine found to increase immune responses, inhibit tumors in animal models - Medical Xpress