نتایج جستجو برای: microvessel density
تعداد نتایج: 411523 فیلتر نتایج به سال:
Myelodysplastic syndromes are a heterogeneous group of clonal hematopoietic stem cell disorders characterized by persistent peripheral cytopenia with morphological and functional abnormalities of hematopoietic cells. Mast cells in ltrate into or around tumor tissues and play a role in remodeling of the stromal microenvironment, contributing to tumor progression. Increased mast cell numbers are ...
PURPOSE This study investigates the antiangiogenesis and antitumor efficacy of a recombinant protein composed of the three type 1 repeats (3TSR) of thrombospondin-1 in an orthotopic human pancreatic cancer model and provides useful preclinical data for pancreatic cancer treatment. EXPERIMENTAL DESIGN Human pancreatic cancer cells (AsPC-1) were injected into the pancreas of severe combined imm...
Anti-Factor VIII vessel immunostaining has been widely used in the detection of angiogenesis in non-small cell lung cancer and other tumors. Several new antibodies have shown a higher sensitivity, and anti-CD31 has recently been proposed to be the standard for microvessel study. In the present study, we comparatively evaluated the two antibodies in 134 cases of early operable non-small cell lun...
BACKGROUND AND PURPOSE Angiogenesis is very important in clinical features of pituitary adenomas. We investigated the relationship between the blood flow of nonfunctioning pituitary macroadenomas measured by arterial spin-labeled perfusion imaging and the microvessel attenuation of the tissue. MATERIALS AND METHODS Conventional MR imaging with contrast-enhanced T1WI and arterial spin-labeled ...
OBJECTIVE Endothelial cell apoptosis caused by oxidative stress may lead to the loss of microvessels (rarefaction) in hypertension. We examine here the effects of antioxidants on cell apoptosis and rarefaction. METHODS AND RESULTS The juvenile spontaneously hypertensive rats (SHR) and normotensive Wistar-Kyoto (WKY) rats were treated with superoxide scavengers, Tempol or Tiron, during growth....
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