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Genetic factors control regenerative properties of blood-forming stem cells, UCLA studies show

FINDINGSResearchers from the UCLA Department of Medicine, Division of Hematology Oncology and the  Eli and Edythe Broad Center of Regenerative Medicine and Stem Cell Research at UCLA have published two studies that define how key genetic factors affect blood-forming stem cells by either accelerating or hindering the cells ’ regenerative properties. The findings could one day lead to improved treatments for people undergoing common therapies for cancer such as chemotherapy and radiation. BACKGROUNDBlood-forming stem cells, or hematopoietic stem cells, are found in the bone marrow. These cells have two unique properties: They can self-renew and, through a process called differentiation, they can form any type of blood cell. A healthy immune system depends on the regenerative abilities of hematopoietic stem cells.Common cancer therapies such as chemotherapy and radiation can eliminate cancer by killing cancer cells. But these treatments also damage hematopoietic stem cells, which can impede the cells ’ ability to regenerate blood, slowing the immune system and resulting in a longer, more complicated recovery for people with cancer. Previous research indicated that certain genes may alter hematopoietic stem cells’ regenerative capacity by either accelerating or hindering the cells’ ability to restore the immune system, but more research was needed to pinpoint the specific genetic activity and effects.METHODOne of the new studies focused on a gene...
Source: UCLA Newsroom: Health Sciences - Category: Universities & Medical Training Source Type: news

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UCLA-led research finds that internet search terms and tweets related to sexual risk behaviors can predict when and where syphilis trends will occur.Two studies from the UCLA-based University of California Institute for Prediction Technology, in collaboration with the Centers for Disease Control and Prevention, or CDC, found an association between certain risk-related terms that Google and Twitter users researched or tweeted about and subsequent syphilis trends that were reported to the CDC. The researchers were able to pinpoint these cases at state or county levels, depending on the platform used.“Many of the most s...
Source: UCLA Newsroom: Health Sciences - Category: Universities & Medical Training Source Type: news
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