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Grape-based compounds kill colon cancer stem cells in mice

June 22, 2017 by · Leave a Comment 

Compounds from grapes may kill colon cancer stem cells both in a petri dish and in mice, according to a team of researchers.

The compounds — resveratrol –which are found in grape skins and seeds, could also eventually lead to treatments to help prevent colon cancer, said Jairam K.P. Vanamala, associate professor of food sciences, Penn State. Colorectal cancer is the second leading cause of cancer-related deaths in the U.S., according to the American Cancer Society.

“The combination of resveratrol and grape seed extract is very effective at killing colon cancer cells,” said Vanamala, who is also a faculty member at the Penn State Hershey Cancer Institute. “And what we’re learning is the combination of these compounds is not toxic to healthy cells.”

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Sticky gel helps stem cells heal rat hearts

September 28, 2015 by · Leave a Comment 

A sticky, protein-rich gel created by Johns Hopkins researchers appears to help stem cells stay on or in rat hearts and restore their metabolism after transplantation, improving cardiac function after simulated heart attacks, according to results of a new study.

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Variations in cell programs control cancer and normal stem cells

September 3, 2015 by · Leave a Comment 

In the breast, cancer stem cells and normal stem cells can arise from different cell types but tap into distinct yet related stem cell programs, according to Whitehead Institute researchers. The differences between these stem cell programs may be significant enough to be exploited by future therapeutics.

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Supercharging stem cells to create new therapies

July 6, 2015 by · Leave a Comment 

Researchers at the University of Adelaide have discovered a new method for culturing stem cells which sees the highly therapeutic cells grow faster and stronger.

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Scientists find way to disrupt brain tumor stem cells

June 12, 2015 by · Leave a Comment 

ome brain tumors are notoriously difficult to treat. Whether surgically removed, zapped by radiation or infiltrated by chemotherapy drugs, they find a way to return.

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Safety switch preserves beneficial effects of cell therapy

May 17, 2015 by · Leave a Comment 

Researchers in the Center for Cell and Gene Therapy at Baylor College of Medicine, Houston Methodist and Texas Children’s Hospital have found that a single dose of an otherwise harmless drug can safely control the severe and often lethal side effects associated with haploidentical stem cell transplantation. Due to the immune-compromising nature of haploidentical stem cell transplantation, where the stem cells are only half matched, patients are at an increased risk of viral infection and of a lethal complication called graft versus host disease, when the graft cells, which have immune potential, attack the tissues of the person whose original immune system has been eliminated as part of treatment. Investigators have now shown how a molecular “switch” (inducible caspase 9 or iC9) that is activated by a single dose of a bio-inert chemical is able to clear all symptoms of graft versus host disease without jeopardizing the ability of the infused graft to fight infection.

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Wisdom teeth stem cells can transform into cells that could treat corneal scarring

February 23, 2015 by · Leave a Comment 

Stem cells from the dental pulp of wisdom teeth can be coaxed to turn into cells of the eye’s cornea and could one day be used to repair corneal scarring due to infection or injury, according to researchers at the University of Pittsburgh School of Medicine. The findings, published online today in STEM CELLS Translational Medicine, indicate they also could become a new source of corneal transplant tissue made from the patient’s own cells.

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Promising use of nanodiamonds in delivering cancer drug to kill cancer stem cells

January 26, 2015 by · Leave a Comment 

A study led by the National University of Singapore (NUS) found that attaching chemotherapy drug Epirubicin to nanodiamonds effectively eliminates chemoresistant cancer stem cells. The findings were first published online in ACS Nano, the official journal of the American Chemical Society, in December 2014.

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Bone stem cells shown to regenerate bones and cartilage in adult mice

January 16, 2015 by · Leave a Comment 

A stem cell capable of regenerating both bone and cartilage has been identified in bone marrow of mice. The discovery by researchers at Columbia University Medical Center (CUMC) is reported today in the online issue of the journal Cell.

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Stem cell transplant without radiation or chemotherapy pre-treatment shows promise

December 7, 2014 by · Leave a Comment 

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. This is the first trial reporting successful transplant in dyskeratosis congenita (DC) patients without the use of any radiation or conventional cytotoxic chemotherapy beforehand.

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