One of the compounds retested, amiodarone HCL, was further tested for possible effects on postmitotic neurons, a likely target
for transplant therapy.
The finding, published in the current issue of Genes and Development1 represents a different approach to cultivating specialized cells
for transplant therapy than that being pursued in other labs.
Not exact matches
K, next time you need major surgery, or chemo
therapy for cancer, or a lung
transplant, just PRAY
for it.
The findings, published online Nov. 13 in Science Translational Medicine, could pave the way
for improvements in preventing GVHD and rejection of
transplanted bone marrow and new
therapies to prevent or treat a relapse of the underlying cancer after a
transplant.
Researchers are developing molecular switches that can inactivate
transplanted genes, paving the way
for safer gene
therapies.
In April of this year, the team reported that patients responded well, with no serious complications, suggesting the
therapy might also work
for face
transplants.
And early stage startup Neochromosome, which includes Boeke, intends to raise money to design synthetic chromosomes
for medicine that could be used in an off - the - shelf universal cell line in cell
therapies and
transplants with minimal risk of rejection from the immune system.
Eye diseases — such as age - related macular degeneration, as well as a genetic condition called Stargardt's macular dystrophy that afflicts young people — are considered excellent candidates
for stem cell
therapy because the eye is an immune - privileged site, meaning
transplanted cells are not as likely to be rejected as foreign compared with
transplants elsewhere.
Diabetes researchers are considering various replacements
for insulin injections:
Transplanting new pancreatic islet cells that make insulin, coaxing the patient's own islets to regenerate, or treating diabetics early in the disease with immune - suppressing
therapies to prevent their body from destroying the rest of their pancreatic islets.
An extended
transplant window could make time
for drug or stem - cell based treatments — even gene
therapy.
However, in the wake of fatalities from gene
therapy and other technologies, as well as the potential
for cancers associated with stem cell
transplants, governments are understandably nervous about safety issues — not to mention the ethical maze of tinkering with fledgling life.
In a related editorial, Michael G. Ison, MD, MS, Medical Director of the
Transplant & Immunocompromised Host Infectious Diseases Service
for Northwestern Medicine and associate professor of Infectious Diseases and Organ Transplantation at the Northwestern University Feinberg School of Medicine, noted additional benefits associated with antiviral
therapy for influenza, including reductions in lower respiratory infections, hospitalizations, antibiotic use, and stroke risk.
He is a proponent of fecal
transplant therapy as a primary treatment
for C. difficile, rather than as a last resort.
If researchers can unlock the secrets of this cellular process,
therapies that replace diseased cells with healthy ones may one day be possible — brain - cell
transplants to combat Alzheimer's,
for instance, or even the creation of whole organs from scratch.
Just what triggers the cells surrounding a zebra fish's injury to start dedifferentiating is unknown, but Keating says regenerative
therapy for human beings will in some circumstances involve
transplanting stem cells to the injured area.
On the flipside, targeting this growth factor or BCL - 2 could reduce NK cell numbers and offer potential
therapies for immune disorders such as some types of autoimmune diseases, sepsis or graft versus host disease, a side effect of bone marrow
transplants.
But he also believes that medical researchers will overcome some of the thorny obstacles to safe and effective
therapies — just as once seemingly insurmountable obstacles to kidney
transplants were overcome — clearing the way
for treatment of diseases such as Parkinson's, blindness, and immune disorders.
Hematopoietic stem cell transplantation (HSCT), once considered an effective yet risky alternative to drug
therapy for blood cancer, has become more accessible and successful in a wide range of patients as a result of major advances in
transplant strategies and technologies.
Such research promises to give scientists a better understanding of how
transplanted tissue connects to the nervous system, paving the way
for improved regenerative
therapies in humans.
«Stem cell
therapy may help recondition lungs previously rejected
for transplant.»
«Because of relatively low survival rates and their advancing age, these patients tend to be poor candidates
for aggressive
therapies, like a bone marrow
transplant,» said senior author Catriona Jamieson, MD, PhD, professor of medicine, chief of the Division of Regenerative Medicine at UC San Diego School of Medicine and director of the Stem Cell Research Program at Moores Cancer Center.
One of the biggest challenges
for medical researchers studying the effectiveness of stem cell
therapies is that
transplants or grafts of cells are often rejected by the hosts.
A bone marrow
transplant is the only standard treatment, but the gene
therapy approach, developed by researchers at the San Raffaele Telethon Institute for Gene Therapy in Milan, Italy, offers a new line of
therapy approach, developed by researchers at the San Raffaele Telethon Institute
for Gene
Therapy in Milan, Italy, offers a new line of
Therapy in Milan, Italy, offers a new line of attack.
The agency has also been promised an extra $ 101 million to help improve the safety of drugs, devices, blood, and medical
therapies, including efforts to bolster safety of cord blood and human tissue
for transplant.
Today, at 56, Atala oversees 300 researchers and support personnel, including chemists, biologists and engineers divided into different teams working on cell
therapy, a technology
for what he calls partial
transplants and the creation of new organs.
Findings of a three - year clinical trial led by University of Cincinnati (UC)
transplant researchers suggest that a novel pre-operative drug
therapy reduces antibodies in kidney patients with greater success than with traditional methods, with the potential to increase the patients» candidacy
for kidney transplantation and decrease the likelihood of organ rejection.
A new perspective paper written by researchers at the Perelman School of Medicine at the University of Pennsylvania and published in The New England Journal of Medicine suggests that «new antiviral
therapies with cure rates exceeding 95 percent should prompt
transplant - community leaders to view HCV (hepatitis C virus)- positive organs as a valuable opportunity
for transplant candidates with or without pre-existing HCV infection.»
«Antibodies in the blood provide clues to
transplant recipients» likelihood of rejection: Presence of certain antibody types may indicate the need
for aggressive anti-rejection
therapy.»
«Stem cell
transplants may advance ALS treatment by repair of blood - spinal cord barrier: ALS mice improved with stem cell
therapy; first step
for science in finding better treatment.»
Using this system upon request from a patient, it has become possible to treat the patient ineligible
for a heart
transplant or destination
therapy and use this technique
for tunneling the internal power cable through the neck to the head, which is approved overseas, but not in Japan.
This observation shows promise
for people undergoing cancer
therapy who have also had a kidney
transplant.
Thus far, patients with previous diseases such as irreversible kidney disorder were ineligible
for a heart
transplant or destination
therapy.
Many researchers blamed the
therapy for disrupting the patients» DNA, but a new study suggests that the
transplanted gene itself may have triggered the cancer.
The
therapy is approved by the U.S. Food and Drug Administration
for relapsed or treatment - resistant Hodgkin lymphoma, and it is commonly prescribed to patients whose disease has progressed after autologous stem cell
transplant, a procedure that replenishes the bone marrow with the patient's own healthy stem cells after
therapy.
But new research with kidney
transplant patients provides a proof of principle
for a cellular
therapy that may eliminate the need
for antirejection drugs.
Tandon uses electrical signals and environmental manipulations to grow artificial tissues
for transplants and other
therapies.
«The loss of insulin - producing beta cells leads to type 1 diabetes, making it an ideal target
for cell replacement
therapy,» said James Shapiro, MD, PhD, FRCSC, Director of the Clinical Islet
Transplant Program, University of Alberta.
Research Interests: Immunologic memory; memory T - cells; allograft rejection; transplantation;
therapies for transplant recipients
Regardless of the targeted organ
for cell replacement or regeneration, the shared challenges in cell
therapies for diabetes such as
transplant procedure and immune rejection will be well - served by the collective expertise within CCTD.
Through the UCSD Clinical Cardiovascular Cell
Therapy program, Dib and collaborating cardiology faculty plan to conduct clinical studies in a number of areas, including the effectiveness of adult stem cell
transplant as a treatment
for congestive heart failure; as a way to minimize heart damage after a heart attack; and in the formation of new blood vessels (angiogenesis) to increase blood flow to the heart
for patients experiencing chest pain.
For example, the biology of dendritic cells is now being used to explore vaccines and
therapies to prevent infectious diseases, autoimmune disorders, allergy, cancer, and rejection of organ
transplants.
Most of the diseases treated by stem cell
transplant are rare among children; however recent trials with cord blood have shown promise
for stem cell
therapy treating more common childhood conditions such as cerebral palsy, autism and others.
The potential
for cell
therapy to play a role in the
therapy of myelin disorders is under serious consideration, based on years of experimentation of glial cell
transplants in experimental models.
But what's more, the
transplanted cells keep producing a foreign protein slipped inside with the help of a lentiviral vector, the kind usually used
for gene
therapy.
The South Florida Bone Marrow / Stem Cell
Transplant Institute is now running a new clinical trial protocol (08001 - BMSCTI)
for investigating a novel cancer
therapy using transfusions of white blood cells from healthy donors.
These adult stem cells can be safely and easily collected and can even be stored
for possible future use should the individual require stem cell
therapy (
transplant) later in life.
So far,
for all the enthusiasm over stem cell
therapies, there are only a few that have been validated — including bone marrow
transplants to treat certain blood cancers — and those that have been around
for years.
We offer a full spectrum of treatment services on site, including chemotherapy and radiation
therapy, pre - and post
transplant care
for blood and bone marrow stem cell transplantation, as well as cancer screenings and supportive care services such as patient support groups and a cancer resource center.
Wake Forest Baptist's cardiothoracic team and surgeons deliver exceptional results
for all types of heart conditions through procedures such as aortic valve replacements, heart bypass surgery, heart
transplants and surgeries and
therapies for thoracic aneurysms.
Researchers at Harvard - affiliated McLean Hospital have found that fetal dopamine cells
transplanted into the brains of patients with Parkinson's disease were able to remain healthy and functional
for up to 14 years, a finding that could lead to new and better
therapies for the illness.