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Johns Hopkins biologist leads research shedding light on stem cells

October 8, 2015 by · Leave a Comment 

A Johns Hopkins University biologist has led a research team reporting progress in understanding the mysterious shape-shifting ways of stem cells, which have vast potential for medical research and disease treatment.

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New way to repair nerves: Using exosomes to hijack cell-to-cell communication

September 15, 2015 by · Leave a Comment 

Regenerative medicine using stem cells is an increasingly promising approach to treat many types of injury. Transplanted stem cells can differentiate into just about any other kind of cell, including neurons to potentially reconnect a severed spinal cord and repair paralysis.

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Study provides hope for some human stem cell therapies

August 21, 2015 by · Leave a Comment 

An international team of scientists headed by biologists at UC San Diego has discovered that an important class of stem cells known as human “induced pluripotent stem cells,” or iPSCs, which are derived from an individual’s own cells, can be differentiated into various types of functional cells with different fates of immune rejection.

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Scientists identify gene vital for rebuilding intestine after cancer treatment

July 30, 2015 by · Leave a Comment 

The stem cells in our gut divide so fast that they create a completely new population of epithelial cells every week. But this quick division is also why radiation and chemotherapy wreak havoc on the gastrointestinal systems of cancer patients – such therapies target rapidly dividing cells. Scientists at the UNC School of Medicine and the UNC Lineberger Comprehensive Cancer Center found that a rare type of stem cell is immune to radiation damage thanks to high levels of a gene called Sox9.

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Programming adult stem cells to treat muscular dystrophy and more by mimicking nature

July 22, 2015 by · Leave a Comment 

Stem cells hold great potential for addressing a variety of conditions from spinal cord injuries to cancer, but they can be difficult to control. Scientists are now reporting in the journal ACS Nano a new way to mimic the body’s natural approach to programming these cells. Using this method, they successfully directed adult stem cells to turn specifically into muscle, which could potentially help treat patients with muscular dystrophy.

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Researchers uncover epigenetic switches that turn stem cells into blood vessel cells

June 26, 2015 by · Leave a Comment 

Researchers at the University of Illinois at Chicago have identified a molecular mechanism that directs embryonic stem cells to mature into endothelial cells — the specialized cells that form blood vessels. Understanding the processes initiated by this mechanism could help scientists more efficiently convert stem cells into endothelial cells for use in tissue repair, or for engineering blood vessels to bypass blockages in the heart.

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UTHealth research: Autologous stem cell therapy helpful in traumatic brain injury

June 8, 2015 by · Leave a Comment 

The use of cell therapy after traumatic brain injury (TBI) in children can reduce the amount of therapeutic interventions needed to treat the patient, as well as the amount of time the child spends in neurointensive care, according to research by The University of Texas Health Science Center at Houston (UTHealth) Medical School.

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Scientist at LIMR leads study demonstrating drug-induced tissue regeneration

June 4, 2015 by · Leave a Comment 

A study led by Ellen Heber-Katz, PhD, of the Lankenau Institute for Medical Research (LIMR), part of Main Line Health (MLH), shows that a primordial form of energy production that still exists in mammals can be harnessed to achieve spontaneous tissue regeneration in mice, without the need for added stem cells. The study findings were reported in the June 3, 2015, issue of Science Translational Medicine, a peer-reviewed journal of the American Association for the Advancement of Science. Key collaborators in the study, which was supported by grants from the National Institutes of Health, included Yong Zhang, PhD (LIMR), Iossif Strehin, PhD (Allergan), and Phillip Messersmith, PhD (University of California, Berkeley).

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Complex signaling between blood and stem cells controls regeneration in fly gut

May 26, 2015 by · Leave a Comment 

Having a healthy gut may well depend on maintaining a complex signaling dance between immune cells and the stem cells that line the intestine. Scientists at the Buck Institute are now reporting significant new insight into how these complex interactions control intestinal regeneration after a bacterial infection. It’s a dance that ensures repair after a challenge, but that also goes awry in aging fruit flies — the work thus offers important new clues into the potential causes of age-related human maladies, such as irritable bowel syndrome, leaky gut and colorectal cancer.

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Team pinpoints genes that make plant stem cells, revealing origin of beefsteak tomatoes

May 26, 2015 by · Leave a Comment 

A team of scientists at Cold Spring Harbor Laboratory (CSHL) has identified a set of genes that control stem cell production in tomato. Mutations in these genes explain the origin of mammoth beefsteak tomatoes. More important, the research suggests how breeders can fine-tune fruit size in potentially any fruit-bearing crop. The research appears online today in Nature Genetics.

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