News tagged with hypoxia
New light-emitting biomaterial could improve tumor imaging, study shows
Nanotechnology / Nanomaterials
Aug 10, 2009 |
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A new material developed at the University of Virginia - an oxygen nanosensor that couples a light-emitting dye with a biopolymer - simplifies the imaging of oxygen-deficient regions of tumors. Such tumors are associated ...
Unraveling how cells respond to low oxygen
Aug 05, 2009 |
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Gary Chiang, Ph.D., and colleagues at Burnham Institute for Medical Research (Burnham) have elucidated how the stability of the REDD1 protein is regulated. The REDD1 protein is a critical inhibitor of the mTOR signaling pathway, ...
Holding breath for several minutes elevates marker for brain damage
Aug 04, 2009 |
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Divers who held their breath for several minutes had elevated levels of a protein that can signal brain damage, according to a new study from the Journal of Applied Physiology. However, the appearance of the protein, S100B, ...
Why some prostate cancer returns
May 27, 2009 |
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The majority of men who receive one of the standard treatments for localized prostate cancer - surgery or radiation therapy - have an excellent outcome.
Long-term study shows low oxygen levels in prostate tumors can predict recurrence
May 15, 2009 |
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Fox Chase Cancer Center researchers have discovered that low-oxygen regions in prostate tumors can be used to predict a rise in prostate-specific antigen (PSA) levels, a marker of tumor recurrence in prostate cancer. The ...
Sleep apnea thickens blood vessels, increases heart disease risk
May 04, 2009 |
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Obstructive sleep apnea, or periodic interruptions in breathing throughout the night, thickens sufferers' blood vessels. Moreover, it increases the risk of several forms of heart and vascular disease.
Worm provides clues about preventing damage caused by low-oxygen during stroke, heart attack
Jan 29, 2009 |
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Neurobiologists at Washington University School of Medicine in St. Louis have identified pathways that allow microscopic worms to survive in a low-oxygen, or hypoxic, environment.
How chemotherapy drugs block blood vessel growth, slow cancer spread
Jan 22, 2009 |
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Researchers at the Johns Hopkins University School of Medicine have discovered how a whole class of commonly used chemotherapy drugs can block cancer growth. Their findings, reported online this week at the Proceedings of ...
The mental health dangers of birth hypoxia
Oct 27, 2008 |
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Complications during pregnancy and birth, such as birth hypoxia - the shortage of oxygen in the body - are associated with an increased risk for schizophrenia. However, it is not clear why hypoxia increases the risk for ...
