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Category Archives: Cell Therapy
Enzyme helps stem cells improve recovery from limb injuries
Posted: May 15, 2014 at 12:44 am
While it seems like restoring blood flow to an injured leg would be a good thing, it can actually cause additional damage that hinders recovery, researchers say.
Ischemia reperfusion injury affects nearly two million Americans annually with a wide variety of scenarios that temporarily impede blood flow -- from traumatic limb injuries, to heart attacks, to donor organs, said Dr. Babak Baban, immunologist at the Medical College of Georgia and College of Dental Medicine at Georgia Regents University.
Restoring blood flow actually heightens inflammation and cell death rather than recovery for many of these patients.
"Think about trying to hold onto a nuclear power plant after you unplug the electricity and cannot pump water to cool it down," said Dr. Jack Yu, Chief of MCG's Section of Plastic and Reconstructive Surgery. "All kinds of bad things start happening."
Baban and Yu are collaborators on a study published in the journal PLOS ONE that shows one way stem cell therapy appears to intervene is with the help of an enzyme also used by a fetus to escape rejection by the mother's immune system.
Earlier studies indicate stem cells may improve recovery both by enabling new blood vessel growth and by turning down the now-severe inflammation, Baban said. The new study shows that indoleomine 2,3 dioxygenase, or IDO, widely known to dampen the immune response and create tolerance, plays an important role in regulating inflammation in that scenario. Stems cells and numerous other cell types are known to express IDO.
In fact, IDO boosted stem cell efficacy by about a third in their studies in animal models comparing the therapy in normal mice versus mice missing IDO. The researchers documented decreased expression of inflammatory markers, swelling and cell death, which correlate with a shorter, improved recovery.
That could be just what the doctor ordered for these patients, said Baban, the study's corresponding author. "We don't want to turn off the immune system, we want to turn it back to normal," he said.
Problems start with even a short period of inadequate blood and nutrients resulting in the rapid accumulation of destructive acidic metabolites, free radicals, and damage to cell structures, Yu said. Cell power plants, called mitochondria, which should be producing the energy source ATP, are among the early casualties, quickly becoming fat, leaky, and dysfunctional.
"The mitochondria are sick; they are very, very sick," Yu said. When blood flow is restored, it can put huge additional stress on sick powerhouses.
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Enzyme helps stem cells improve recovery from limb injuries
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Cord Banking, Cell Therapy Helps Treat Deadly Diseases
Posted: May 12, 2014 at 10:46 am
SPRINGFIELD, Mo. -- A child with a life threatening disease is heart wrenching for parents. Suddenly they are faced with no easy way to get a match for stem cells that could save their child.
With cell therapy, there is a way to do that but it starts in the delivery room.
Delanie Rinne's fourth child, Ezekial, was born earlier this year and even though he'll get older; proof of that day is being stored at Core23 BioBank in Springfield.
"We decided to look into banking the cord blood because we know that this is probably our last biological child," says Rinne.
Core23 stores your child's blood, plasma or tissue from the umbilical cord to help treat 81 different diseases.
"If I had a child that has Leukemia and I was pregnant then that would be a treatment option."
Emily and Michael Perry opened the private cord bank as another option for parents.
"We see that cell therapy is surpassing bone marrow, we truly believe that it is the medicine of the future."
"Cell therapy is taking a healthy, viable cell and putting it into somebody's body to treat a disease or a condition."
The process starts in the delivery room and ends in a hydrogen tank in their lab.
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Cord Banking, Cell Therapy Helps Treat Deadly Diseases
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Stem cell treatments reaching patients
Posted: May 12, 2014 at 10:41 am
Neurosurgeon and stem cell researcher, Joseph Ciacci M.D. will soon start a clinical trial of stem cells to treat paralysis from spinal cord injury.
After many years of waiting, a flood of new regenerative-cell therapies is finally reaching patients. Hundreds of clinical trials for these experimental treatments are under way across the world.
In the United States, 774 trials with stem or other regenerative cells are open to patients or soon will be, according to clinicaltrials.gov, which lists government-approved clinical testing in this country and abroad. Of that total, 147 are taking place in California.
One of the most difficult tests involving stem cells repairing spinal-cord damage that has caused complete loss of movement and sensation below the injury site is set to begin soon at UC San Diego.
Patients in that study will get injections of fetal-derived neural stem cells in and around the injury site, along with physical therapy and immune-system drugs in case theres a reaction to the stem cells. The trial will use a device that delivers precisely targeted micro-injections of cells to the targeted areas.
The clinical trial will test safety and look for early signs of efficacy, said Dr. Joseph Ciacci, a UC San Diego neurosurgeon leading the testing.
A study published a year ago found that in rats with spinal-cord injuries, the neural stem cells significantly improved movement in the hind paws. Ciacci, who co-authored that study, saw the cells proliferate and fill in a spinal-cord cavity that had resulted from the injuries. Such results supported testing the therapy in people, he said, but he declined to say whether he expected to see any improvement in those patients.
I really dont know, because its not been done, Ciacci said.
The clinical trial is expected to start in June. Its intended for adults 18 to 65 years old who suffered their injury at least one year ago but no more than two years ago. For more information, visit utsandiego.com/ucsdspinal or call Amber Faulise at (858) 657-5175.
Another type of stem cells, mesenchymal stromal, might be described as the duct tape of regenerative cells. Generally derived from bone marrow, they are being tested for treatment of pulmonary fibrosis, multiple sclerosis, kidney transplants, liver cirrhosis, osteoarthritis of the knee, stroke and many other conditions. Worldwide, 226 trials are being conducted with these cells, including 45 in the U.S. and 12 in California, according to clinicaltrials.gov.
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Stem cell treatments reaching patients
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Low back disc pain 3 months after stem cell therapy by Dr Harry Adelson – Video
Posted: May 10, 2014 at 9:44 pm
Low back disc pain 3 months after stem cell therapy by Dr Harry Adelson
Brian discusses his results from the bone marrow stem cell injection into his lumbar discs performed by Dr Harry Adelson http://www.docereclinics.com.
By: Harry Adelson, N.D.
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Low back disc pain 3 months after stem cell therapy by Dr Harry Adelson - Video
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Acute torn meniscus; 5 months after stem cell therapy by Dr Harry Adelson – Video
Posted: May 10, 2014 at 4:43 am
Acute torn meniscus; 5 months after stem cell therapy by Dr Harry Adelson
At Docere Clinics, the vast majority of cases we see are for chronic pain. Occasionally, we get acute injuries and do very well with them. Here, Bryan describes his experience 5 months after...
By: Harry Adelson, N.D.
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Acute torn meniscus; 5 months after stem cell therapy by Dr Harry Adelson - Video
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Service dog receives cutting-edge stem cell therapy
Posted: May 8, 2014 at 6:40 pm
A service dog that has come from the brink of death and back was in Terry on Wednesday to receive cutting-edge stem cell therapy.
Davis Hawn said his dog, Booster, saved his life and now he's working to return the favor.
"With Booster by my side, I greet each day knowing we can change the world for the better," Hawn said.
Together, Hawn and Booster helped foster international relations by appearing on TV in Cuba. They reassured Thai orphans infected with the HIV virus that life will be OK and they are loved. The list of accomplishments continued to grow until Booster developed hip dysplasia.
"When Booster couldn't get off the floor, I couldn't get out of bed," said Hawn, who suffers from depression. "Just as assuredly as God put Booster into my life, He again answered the call when I read about the modern day marvel of stem-cell implantation."
Medivet America, a global leader in veterinary science with more than 1,000 clinics in 28 countries, learned of Booster's plight and jumped in to help.
"They arranged to perform a procedure in which they injected Booster's own stem cells into his hips and got him back up and running again," Hawn said. "When I went to pay the bill, they refused to accept payment. I like to say that God paid the bill."
In January 2013, Booster again faced a health battle. He was diagnosed with squamous cell carcinoma and given three weeks to live. An aggressive tumor had eaten through Booster's skull cap and left him writhing in pain. In an effort to save Booster's life, Hawn moved to Florida where the University of Florida operated on Booster and a referral clinic performed radiation therapy.
The University of Minnesota took a piece of the tumor that was removed from Booster and used it to developed the first vaccine for squamous cell carcinoma in dogs.
Booster is now a cancer survivor.
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Service dog receives cutting-edge stem cell therapy
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Knee arthritis 9 months after stem cell therapy by Dr Harry Adelson – Video
Posted: May 7, 2014 at 11:45 am
Knee arthritis 9 months after stem cell therapy by Dr Harry Adelson
Carol describes her outcome from stem cell therapy by Dr Harry Adelson for her arthritic knee http://www.docereclinics.com.
By: Harry Adelson, N.D.
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Knee arthritis 9 months after stem cell therapy by Dr Harry Adelson - Video
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Cedars-Sinai researchers identify how heart stem cells orchestrate regeneration
Posted: May 7, 2014 at 11:44 am
PUBLIC RELEASE DATE:
6-May-2014
Contact: Sally Stewart sally.stewart@cshs.org 310-248-6566 Cedars-Sinai Medical Center
LOS ANGELES (EMBARGOED UNTIL NOON ET ON MAY 6, 2014) Investigators at the Cedars-Sinai Heart Institute whose previous research showed that cardiac stem cell therapy reduces scarring and regenerates healthy tissue after a heart attack in humans have identified components of those stem cells responsible for the beneficial effects.
In a series of laboratory and lab animal studies, Heart Institute researchers found that exosomes, tiny membrane-enclosed "bubbles" involved in cell-to-cell communication, convey messages that reduce cell death, promote growth of new heart muscle cells and encourage the development of healthy blood vessels.
"Exosomes were first described in the mid-1980s, but we only now are beginning to appreciate their potential as therapeutic agents. We have found that exosomes and the cargo they contain are crucial mediators of stem cell-based heart regeneration, and we believe this might lead to an even more refined therapy using the 'active ingredient' instead of the entire stem cell," said Eduardo Marbn, MD, PhD, director of the Cedars-Sinai Heart Institute and a pioneer in developing investigational cardiac stem cell treatments.
"The concept of exosome therapy is interesting because it could potentially shift our strategy from living-cell transplantation to the use of a non-living agent," he added. "Stem cells must be carefully preserved to keep them alive and functioning until the time of transplant, and there are some risks involved in cell transplantation. In contrast, exosome therapy may be safer and simpler and based on a product with a longer shelf life."
In lab experiments, the researchers isolated exosomes from specialized human cardiac stem cells and found that exosomes alone had the same beneficial effects as stem cells. Exosomes also produced the same post-heart attack benefits in mice, decreasing scar size, increasing healthy heart tissue and reducing levels of chemicals that lead to inflammation. Even when exosomes were injected in mice after heart attack scars were well-established, and traditionally viewed as "irreversible," they brought about multiple structural and functional benefits.
Exosomes transport small pieces of genetic material, called microRNAs, that enable cells to communicate with neighboring cells to change their behavior. The researchers pinpointed one such microRNA one that is especially plentiful in cardiac stem cell exosomes as responsible for some of the benefits. It is likely, they believe, that this and other microRNAs in the exosomes work together to produce the regenerative effects.
"The exosomes appear to contain the signaling information needed to regenerate healthy heart tissue, they are naturally able to permeate cells, and they have a coating that protects their payloads from degradation as they shuttle from cell to cell," said Marbn, senior author of an article in the May 6, 2014 Stem Cell Reports. "Injecting exosomes derived from specialized cardiac stem cells may be an attractive alternative to the transplantation of living cells."
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Hip and knee arthritis 5 months after stem cell therapy by Dr Harry Adelson – Video
Posted: May 5, 2014 at 8:51 am
Hip and knee arthritis 5 months after stem cell therapy by Dr Harry Adelson
Richard describes his outcome 5 months after stem cell therapy by Dr Harry Adelson for his hip and knee arthritis http://www.docereclinics.com.
By: Harry Adelson, N.D.
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Hip and knee arthritis 5 months after stem cell therapy by Dr Harry Adelson - Video
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3 stem cell procedures recognized in PH FDA
Posted: May 4, 2014 at 8:54 am
The Food and Drug Administration (FDA) yesterday reiterated that stem cell procedures in the Philippines are allowed only for three specific procedures while others remain unrecognized by the agency and are therefore illegal.
In an advisory posted on its website, Dr. Kenneth Hartigan-Go, FDA acting director, emphasized that only the following uses of stem cell therapy are recognized by the FDA Hematopoietic Transplantation (involving the blood cells to treat disorders of the blood and immune systems), Corneal Resurfacing with limbal stem cells (to treat the transparent, front part of the eye), and skin regeneration (for burns) with epidermal stem cells. All hospitals and health facilities are likewise warned that Republic Act 9711 or the FDA Act, otherwise prohibits the manufacture, importation, exportation, sale, offering for sale, distribution, transfer, non-consumer use, promotion, advertising, or sponsorship of any health product that is unregistered. The use of Human cells, Tissues, and Cellular and tissue-based products (HCT/Ps) without the authorization or permission by the FDA is considered illegal in the country, Go said.
In August 2013, the FDA issued a circular asking hospitals and other facilities offering stem cell procedures to register for accreditation. However, as of May 2, the FDA said not one stem cell or HCT product that applied for registration has been registered by the FDA for compassionate or clinical trial use or for general use.
What we are doing now is we are strengthening quality assurancethey must have scientific proof. But there is no one who is applying for compassionate use because if we ask them about ethical clearance, they have no ethical review system, the FDA chief added.
Go warned all hospitals and health facilities to stop manufacturing or selling unregistered products.
The warning also covers unlicensed practitioners from other countries and tourists who visit the country for leisure or medical needs. (Jenny F. Manongdo)
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3 stem cell procedures recognized in PH FDA
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