Sentences with phrase «brain cell transplants»

The discovery may make brain cell transplants less controversial and more widely available.

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In a separate but related study, scientists this week also announced that they successfully reversed Parkinson - like symptoms in several monkeys by transplanting human neural stem cells into their brains.
Mice transplanted with cells grown from a patient suffering from Huntington's disease (HD) develop the clinical features and brain pathology of that patient, suggests a study published in the latest issue of Acta Neuropathologica by CHA University in Korea, in collaboration with researchers at Université Laval in Québec City, Canada.
In this study, Cherqui's team transplanted wildtype HSPCs into an FA mouse model, reporting that the HSPCs engrafted and soon differentiated into macrophages in key regions of the mice's brain and spinal cord where they appeared to transfer wildtype FXN into deficient neurons and muscle cells.
Scientists credited the impressive intellectual feats to human cells transplanted into their brains shortly after birth.
But the cells must be taken from aborted fetuses, and up to seven fetal brains are needed to provide enough for a single transplant.
Another is that the transplanted bits of tumor act nothing like cancers in actual human brains, Fine and colleagues reported in 2006: Real - life glioblastomas grow and spread and resist treatment because they contain what are called tumor stem cells, but tumor stem cells don't grow well in the lab, so they don't get transplanted into those mouse brains.
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.
When they transplanted embryonic brain cells into mice that had already been conditioned to fear a sound, the researchers found these mice were significantly more responsive to extinction training.
The downside is that the transplanted cells also fostered the growth of benign brain tumors.
Yong - Chun Yu at Fudan University in Shanghai, China, and his team wondered if fearful adult mice could be helped by a transplant of embryonic brain cells.
Previous research in rodent disease models has shown that transplanted oligodendrocyte precursor cells derived from embryonic stem cells and from human fetal brain tissue can successfully create myelin sheaths around nerve cells, sometimes leading to dramatic improvements in symptoms.
Transplants of neural stem cells might be used to treat brain injuries, but how to get them to the right location?
UC Davis researcher Min Zhao and Junfeng Feng, a neurosurgeon at Ren Ji Hospital, Shanghai, showed that they can steer transplanted stem cells (green, in inset on right) to one part of a rat's brain using electrical fields.
By applying an electric field within the rat's brain, they found that they could get the transplanted stem cells to swim «upstream» against the fluid flow and natural cues and head for other locations within the brain.
Electric fields can be used to guide neural stem cells transplanted into the brain towards a specific location.
Scientists have enabled deaf gerbils to hear again — with the help of transplanted cells that develop into nerves that can transmit auditory information from the ears to the brain.
CSCs were prepared from 231BrM and CN34BrM cells that were infected with lentivirus carrying with or without miR -7-2, and they were transplanted into nude mice through intracardiac injection followed by monitoring metastatic tumor growth in the brain.
UT Southwestern Medical Center researchers created new nerve cells in the brains and spinal cords of living mammals without the need for stem cell transplants to replenish lost cells.
Electric fields can be used to guide neural stem cells transplanted into the brain toward a specific location.
Once this was accomplished, they noticed the cells didn't function when transplanted into animal brains.
In a world - wide first, Chinese scientists cloned two monkeys by transplanting donor cells into eggs, they said on Wednesday, a feat that could lead to genetically engineered primates for drug testing, gene editing and brain research.
Los Angeles, CA (Scicasts)-- Investigators at Cedars - Sinai are exploring a new way to treat amyotrophic lateral sclerosis (ALS) by transplanting specially engineered neural cells into the brain.
But one glimpse came in 2013, when scientists transplanted human neural stem cells into the brains of mice which had damage in regions responsible for learning and memory.
Heterotopically transplanted CVO neural stem cells generate neurons and migrate with SVZ cells in the adult mouse brain.
Parkinson's patients in the 1980s were guinea pigs, getting fetal tissue transplants — a precursor of stem - cell therapy — in their brains.
A new study investigates the long - term health of some of the earliest cell transplants into HD patient brains — and finds a surprising result.
You can give enzymes in the blood, but it won't cross the blood brain barrier; but if you give cells, or a transplant, then it will engraft in the brain as well and produce enzyme, or the other factors that are missing.
The Bone Marrow and Stem Cell Transplant Program is expanding the use of this technique for patients with solid tumors including neuroblastoma and brain tumors; a variety of high - risk hematologic diseases, such as thalassemia major and transfusion - dependent sickle cell disease; and other nonmalignant diseaCell Transplant Program is expanding the use of this technique for patients with solid tumors including neuroblastoma and brain tumors; a variety of high - risk hematologic diseases, such as thalassemia major and transfusion - dependent sickle cell disease; and other nonmalignant diseacell disease; and other nonmalignant diseases.
Using the technique as a proof of principle, the researchers were able to detect transplanted tumor cells in animal brains.
«The ultimate goal is for the transplanted stem cells to reconstruct the brain circuitry that has been destroyed by Parkinson's and restore some function to the individual,» Mendez said.
Once the cells are transplanted, they will gradually begin to populate the brain, establish connections, produce dopamine and within about nine months, it's predicted that Parkinson's symptoms would be reduced.
The transplants helped to replenish the brain by replacing cells lost due to apoE4, regulating brain activity and improving learning and memory abilities.
In the study, which was conducted in collaboration with researchers at UC San Francisco and published today in the Journal of Neuroscience, scientists transplanted inhibitory neuron progenitors — early - stage brain cells that have the capacity to develop into mature inhibitory neurons — into two mouse models of Alzheimer's disease, apoE4 or apoE4 with accumulation of amyloid beta, another major contributor to Alzheimer's.
Mendez, a pioneer who first transplanted fetal stem cells into patients» brains at Dalhousie nearly a decade ago, is the only surgeon in Canada, and one of only a few in the world, who can perform the intricate procedure.
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.
When these cells are transplanted into animal brains, they survive, and turn into the correct type of brain cell.
A possible strategy for treating neurodegenerative diseases is to transplant stem cells into the brain that prevent existing nerve cells from dying.
In this work, we transplanted hematopoietic stem and progenitor cells into the substantia nigra of brains of two different mouse models of Parkinson's disease.
The first is therapy, such as transplanting neurons into the brain of Parkinson's patients or retinal cells into the blind.
When transplanted into mice, the neural stem cells spontaneously developed into the three basic types of brain cells: neurons, oligodendrocytes, and astrocytes.
Still, it opens the door towards the prospect of reprogramming brain cells without the need for any transplants or surgeries».
Replacing brain cells using stem cells from embryos was tried before but didn't work well, probably because we didn't understand how to look after the cells, nurture them to become neurons and get them to make the right connections when transplanted into HD brain.
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