Tag: "vessels" at biology news
Gene Linked To Glaucoma, Hydrocephalus, And Other Birth Defects
...her skeletal defects, and problems with theirblood vessels
and kidneys. In the 1970s, scientist Margaret Green, working at the JacksonLaboratory in Bar Harbor, Maine, studied the ch mutant mice and described amalformation in the meninges, the spongy tissue around the brain. This defectprevented the p...
Vitamin C May Reduce Angina, Heart Attack Risks
...dy by a daily 500 milligram supplement - had blood vessels
withsignificantly improved "vasodilation," or the ...e dilationcharacteristics of atherosclerotic blood vessels
to those of healthy bloodvessels," Frei said. "That's not the only risk factor for heart disease and...
Researchers Discover Way To Grow New Kidneys In Rats
...Within four weeks, the rats had produced new blood vessels
thatconnected the kidneys to their own blood suppl...of the kidney's blood vesselsbecause foreign blood vessels
are a major stimulator of rejection. The use of adeveloping kidney also was key to reducing the immu...
Evidence From Old Tumors Foretells Which New Breast Cancer Patients Will RequireAdditional Treatment
...ng. Thelack of angiogenesis -- growth of new blood vessels
to supply the budding tumor-- was an equally valid...to occur." Unfortunately, the growth of new blood vessels
tends to occur quite early formost cancers; even small tumors found via mammogram frequently have a ...
Novel Liver Steroid Slows Brain Tumor Growth
... liver of sharks to slow the formation ofnew blood vessels
destined to feed brain cancers as well as other tu...ts. Squalamine also slowed the growth ofnew blood vessels
caused by tumors in rabbits' eyes, slowed the growth ofendothelial cells in rat brain tissue and con...
Scientists ID A Protein With Punch As Infection-Inflammation Fighter
MANHATTAN -- Blocked or closed blood vessels
mean a medical emergency: forinstance, in heart at... tissue, but using the new technologies toopen the vessels
and restore the blood flow to the tissues often places thedoctor in the position of creating tissue ...
Combining Angiostatin With Radiation Enhances Anti-Cancer Effects Of Each
... substance that inhibitsthe formation of new blood vessels
-- to standard radiation therapy dramaticallyimpro...tion. Angiostatin inhibits thegrowth of new blood vessels
but has no effect on tumor cells. When the team performed additional studies, however, looking at th...
Babbitt To Help Explore Depths Of Lake Tahoe
...t will be providedfor accredited media. After the vessels
return at approximately 10 a.m.,Babbitt will meet with media individually to discuss the Tahoe restorationeffort....
Transplanted Skeletal Muscle Mimics Heart Muscle; Helps Failing Heart Pump, Duke
...induce damaged heartmuscle to regenerate new blood vessels
using a human growth factor calledfibroblast growth factor 1 (FGF 1) that they produced with genetic engineeringtechniques. "If we could combine new blood vessel formation with new muscleformation, we could for the first time, regenerate livi...
Genetic Clue Found To The Leading Cause Of Blindness In The United States
..."wet" form of the disease. In this form, new blood vessels
grow underneath the retina, than leak, bleed and form scar tissue. Thedegeneration process usually occurs rapidly, over weeks or months, and oftenprofoundly affects central vision. But the wet form accounts for less than 20percent of cases, and there...
Alaska Natives Provide New Evidence Linking Common Infection To Heart Disease
... fatty deposits that build upin the walls of blood vessels
and lead to heart attacks and strokes. However,th...ely to have the bacteria identified in their blood vessels
when theydied than people with little or no evidence of earlier infection. "The major findin...
Blood Levels Of C-Reactive Protein May Predict Heart Attack And Stroke Risk In
Women As Well As Men
...ich is released intothe bloodstream when the blood vessels
leading to the heart are damaged -- addsto the predictive value of screening blood samples for both total and HDL (good)cholesterol levels. Thus C-reactive protein testing may improve doctors'ability to predict heart disease risk among women. ...
Snake Venom Slows Tumor Growth
...of the AmericanChemical Society. Tumors need blood vessels
to deliver nutrients necessary for their continuedgrowth, says Francis Markland, Ph.D., a professor of biochemistry at theUniversity of Southern California School of Medicine, who reported the findingsto colleagues attending this week-long meeting of...
Artificial Heart Chamber And Artificial Blood Vessels Aid Cardiovascular
...rnational, Inc., Woburn, Mass., reported thatblood vessels
made of an elastic, polyurethane-based material ha... of test animals for over two years. The polymer vessels
aredesigned to be used in heart bypass operations, which are performed more than500,000 times a year...
Bioreactor Grows Cells That Produce Possible Anti-Cancer Protein
...rs because it controls the development of blood vessels
that feed nutrients to solid tumors. A drug based on Del-1 might cut off a tumors blood supply. We intensified our production of Del-1 by conducting it in a small reactor and automating it so we could run the reactor cont...
Discovery Of Possible New Weight Control Role For Leptin Announced By Yale University School Of Medicine Researchers
...Science, leptin also triggers the formation of new vessels
in fat tissue, whichmay be a crucial adaptive resp...rding to Sierra-Honigmann, the growth of new blood vessels
mightalso serve as a "cooling system" that dissipates heat generated as stored fatbreaks down -- esp...
"Salt Gene" Determines Benefit Of Low-Salt Diet
...tolic blood pressure -- the force pressing onblood vessels
between heart contractions -- was between 83 and 89 millimeters ofmercury (mm/Hg). This is below the level of 90 mm/Hg that doctors normallyregard as high blood pressure. The TOHP participants, men and women ranging in age from 30 to 54, were divide...
Medical Tip Sheet - November 1, 1998
...w, enabling himor her to distinguish between blood vessels
and other types of tissues. Available for interviews: Hrayr Shahinian, M.D., Director, Skull Base Institute CEDARS-SINAI SCIENTIST FINDS MALIGNANCY GENE IN TUMOR CELLS A scientist at Cedars-Sinai Medical Center has discovered a gene that exists in...
Amnesia After Sex: More Than A Washington Phenomenon
... sex, created intense pressure in the brain'sblood vessels
resulting in temporary lack of blood flow to the central part ofthe brain. This, in turn, resulted in amnesia. "Interestingly," Dang quipped, "this form of amnesia results in acomplete inability to recall what happened during the period of co...
Nuts And Oats May Build A Strong Heart
...ified factors in oats thataffect the way the blood vessels
react," says Saltzman. The men and women in the study ate one of two calorie-controlled diets. Researchers determined each individual's maintenance caloric needs then gavethem each 1,000 calories less than each person's maintenance level each day. Th...
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