They then examined the effect of a chemical that inhibits SRF and found that glucose uptake rates increased in both mice and human cells — and that the effects were greater in
cells from patients who were insulin resistant or had type 2 diabetes.
But
cells from patients who hadn't been helped by the drug remained hyperexcitable.
They show that it is possible to derive iPS
cells from a patient who has a mix of mutant and normal mtDNA (is heteroplasmic), where the separate cell lines can have anything from 0 to 100 % mutant mtDNA, but the same nuclear DNA.
Not exact matches
Speaking of Novartis — the company's experimental CTL019, which is expected to be the first approved drug in a revolutionary new cancer treatment space that turns the body's own immune
cells into cancer - killers, is already facing some apprehension
from doctors and
patient groups
who are worried about its eventual pricing.
In a group of
patients who underwent surgery for epilepsy, over half had stem
cells where healthy individuals do not have them, according to a study
from Sahlgrenska Academy.
The decision was seen as an effort to mollify the religious fundamentalists at the core of Bush's political support
who are ideologically opposed to deriving the
cells from frozen embryos in fertility clinics and scientists and
patients who hope that the
cells could be used to help
patients with Parkinson's, Alzheimer's, spinal - cord injuries, and diabetes.
«I'm working with Professor Richard Oreffo and Dr Rahul Tare
from the University's Centre for Human Development, Stem
Cells and Regeneration who are trying to create and grow cartilage in the lab using a patients» own (autologous) stem cells to then be implanted back into the patient if they have a cartilage defect,» she expl
Cells and Regeneration
who are trying to create and grow cartilage in the lab using a
patients» own (autologous) stem
cells to then be implanted back into the patient if they have a cartilage defect,» she expl
cells to then be implanted back into the
patient if they have a cartilage defect,» she explains.
Scientists
from the University of Cambridge's Institute for Medical Research obtained skin
cells from 10
patients — seven
who had various forms of inherited liver disease, and three healthy controls.
Researchers at Dana - Farber / Boston Children's Cancer and Blood Disorders Center report promising outcomes
from a clinical trial with
patients with a rare form of bone marrow failure
who received a hematopoietic stem
cell transplant (HSCT) after pre-treatment with immunosuppressive drugs only.
The researchers obtained stem
cells from the discarded fat of liposuction
patients who underwent elective surgery.
The estimation of EGFR mutation status is essential for the identification of non-small
cell lung carcinoma (NSCLC)
patients who may benefit
from treatment with EGFR tyrosine kinase inhibitors (TKIs), and hence for improving therapeutic efficacy.
Preventing this
from happening is a specific responsibility of health authorities and governments worldwide to make sure that the hope and trust of
patients are not misused,» remarked Elena Cattaneo, Director of the Centre for Stem
Cell Research at the University of Milan, Italy, and one of the scientists
who contributed to the commentary.
And it suggests that stem
cells derived
from embryos should remain the primary reference for iPS
cells when researchers want to compare how
cells from diseased
patients behave, says Nissim Benvenisty of Hebrew University of Jerusalem,
who has studied differences between ES
cells and iPS
cells derived
from carriers of fragile X syndrome.
«We've taken white
cells from his body, put them in a culture with malignant
cells, and they gobble them up,» says Michael O'Rourke,
who is treating the
patient.
He did, however, publish a paper last year documenting a study in which he infused three cancer
patients with white blood
cells from young donors
who had been injected with G - CSF.
Analyzing small intestine biopsy samples
from food allergy
patients (
who gave authorized consent) the scientists looked for molecular signatures of MMC9
cells.
The team found that obese people with kidney cancer had a 53 % lower risk of dying
from renal -
cell carcinoma than
patients who were normal weight2.
In recent studies of cancer
patients who received a bone marrow transplant, genes
from the marrow's white blood
cells were found in the
patient's tumor
cells.
The good bacteria seem to help the drugs by priming T
cells, which Wargo's group reported were more abundant in the gut and tumors of the mice
who got fecal transplants
from responder
patients.
Abatacept, when added to the standard drug regimen used to prevent GvHD, reduced the occurrence of acute, grade III - IV GvHD
from 32 to 3 percent in pediatric and adult
patients who underwent mismatched unrelated donor stem
cell transplants to treat advanced cancer and other blood disorders.
It found that
patients who received a liver and kidney at the same time, or a liver alone, had fewer of the
cells that leap into action to defend the body
from an invader — known as killer
cells or T
cells — , compared with people
who had a kidney transplant alone.
The newfound protein might eventually help
patients who suffer
from the untreatable prion diseases: When the group mixed their artificial protein fragment with a fragment of the PrP protein that usually kills neurons in petri dishes, the mixture killed only half as many
cells as the prion fragment alone.
In the new work, the researchers added serum
from Finnish narcolepsy
patients who had received Pandemrix to
cells that were engineered to display human hypo cretin receptor 2 on their surface.
John Rossi, a molecular biologist at the Beckman Research Institute in Duarte, Calif.,
who was not involved in the research, noted that
from his own work, using RNAi to treat T
cells may allow
patients to significantly reduce the dosage of the anti-HIV drugs — up to 100-fold.
To test VX - 770, the doorman drug, researchers used lung
cells from a CF
patient with the G551D mutation — the same one sickening the Cheevers girls,
who required only a doorman drug to function in healthy mode.
Helping to protect newborns and older
patients against more severe effects of jaundice is the hope of University of Guelph researchers,
who have shown how a liver enzyme protects
cells from damage caused by the condition.
«It is exciting that they have generated human
cells from the
patient material,» says stem
cell researcher Jeffrey Rothstein of Johns Hopkins University in Baltimore, Maryland,
who also studies ALS.
In the first published results
from a clinical trial using human embryonic stem
cells, two legally blind
patients who received an injection of hESC - derived
cells in one eye have experienced no harmful side effects and appear to have slightly better vision.
Since our collection of
cell lines is completely genetically annotated — which means that mutations and expression changes in each line's genes have been documented — we should be able to identify in advance
patients who will benefit
from specific combinations.
Neither line could be traced to the
patients suffering
from spinal cord injury, diabetes, or an immune disorder
who had donated skin
cells for the work.
They were derived
from skin
cells obtained
from patients who have had type 1 diabetes for 50 years or more and are members of the Joslin 50 - Year Medalist Program, and also
from healthy controls.
Patients who participate in testing experimental stem
cell therapies, whether in regulated clinical trials or
from clinics offering unproven therapies, are pioneers.
The current study, published in the journal
Cell, involved a family of
patients who suffer
from congenital heart disease and carry a mutation in GATA4.
The Phase I safety trial, funded with a pilot grant
from The National Institutes of Health and support
from the Notsew Orm Sands Foundation, will enroll nine more
patients who have suffered a stroke and can be treated with the stem
cell procedure within 24 to 72 hours of initial symptoms.
Healthy individuals» lungs contain very few goblet
cells, but
patients who die
from asthma — an estimated 5,000 people annually — have significantly higher numbers of these
cells.
Sure enough, when the researchers examined the brains of PD
patients, they found more
cells exhibiting signs of senescence than in people without the disease — and especially astrocytes, as they had expected.7 This was true even after matching
patients for age, meaning that PD subjects had even more senescent astrocytes in their SNcs than is typical for people their age (ranging in this case
from 50 — 92 years at autopsy)-- and remember, aging already drives an increase in the burden of these
cells as compared with young people, even in those
who have yet to develop Parkinson's disease.7
Hear stories
from patients who have recovered
from leukemia and other blood cancers thanks to stem
cell transplants; the donors
who provided stem
cells to loved ones; and the medical staff that cared for them before, during, and after the procedure.
Researchers have found that treating
patients who have early stage non-small
cell lung cancer with a type of radiotherapy called stereotactic body radiation therapy is associated with a small but increased risk of death
from causes other than cancer.
For those
patients who suffer
from heart failure symptoms with no other option for treatment, stem
cell therapy holds the potential to provide a better quality of life.
They compared tissue
from 91
patients who did not have T
cell invasion with tissue
from 106
patients with T
cell - driven inflammation.
The HUB is founded on the pioneering work of Hans Clevers, M.D., Ph.D.,
who discovered methods to grow stem
cell - derived human epithelial mini-organs
from the tissues of
patients with various diseases.
METHODS: Peripheral blood mononuclear
cells obtained
from patients who received AN1792 were stimulated in vitro either with beta - amyloid (Abeta) or various overlapping peptides of Abeta (1 - 42), followed by quantification of cytokine - secreting
cells by enzyme - linked immunosorbent spot assay.
Scientists
who used modified stem
cells to rejuvenate damaged and aged heart
cells from elderly heart failure
patients say their...
Ultimate use of newborn stem
cells will be determined by the treating physician
who will consider if they are applicable for the condition and should come
from the
patient or a suitable donor (siblings of the same biological parents have a 25 % chance of being a perfect match and a 50 % chance of being a partial match; biological parents will always be a partial match).
«We have already received four remote tumor samples and generated two new ROS1
cell lines
from patients who never even had to travel to University of Colorado,» says Doebele.
To do so, the researchers created neurons
from skin
cells donated by Alzheimer's
patients with two copies of the apoE4 gene, as well as
from healthy individuals
who had two copies of the apoE3 gene.
A Dutch doctor
who sent people with multiple sclerosis
from the United Kingdom for controversial stem
cell injections at his clinic in Rotterdam faces allegations of dishonesty and exploiting vulnerable
patients.
The team of researchers harvested hematopoietic stem
cells from three macaques prior to SHIV infection of all six animals in the study, treated the animals with anti-retroviral therapy (ART) to reduce viral load and mimic the situation in human HIV - infected
patients who are treated with ART, and then exposed the three monkeys
from which they had collected hematopoietic stem
cells to a high dose of radiation.
Now biologists have used stem
cells from these
patients,
who have a devastating disorder called Timothy syndrome, to grow their brains a second time — in miniature, in a lab dish.
«The scientists at the University of Michigan Center for Pluripotent Stem
Cell Research monitor the
cells daily and have learned that
cells taken
from bipolar
patients fire more intensively and in a way that is significantly different than
cells from an individual
who doesn't have bipolar disorder,» said Melvin McInnis, M.D., the Prechter Fund research director.