نتایج جستجو برای: collagen type iv
تعداد نتایج: 1525333 فیلتر نتایج به سال:
For the extraction of type IV collagen, the normal placenaes at term were placed under pepsin digestion (once). To purify the extracted collagen, Saltingout and changing the PH were performed (each step twice). All steps of the extraction and purification were controlled by the SDS-PAGE electrophoresis and finally purified collagen with molecular weight 170 and 185 KD chains were obtain...
Background and Objective: the aim was to investigate the effects of 12 weeks of High Intensity Interval Training (HIIT) and curcumin supplementation on expression levels of FSTL1 and Smad7 and also Type I, III and IV collagens in rat model with myocardial infraction (MI). Methodology: 48 male rats were randomized into five groups of Reference, HIIT, Curcumin, Concomitant (HIIT+ Curcumin) and Co...
In the present study, we demonstrate delayed-type hypersensitivity (DTH) to homologous type I collagen that cross-reacts with type IV collagen. Mice immunized with native or denatured type I collagens and challenged with these same antigens or native type IV collagen develop a peak DTH response on day 7. Challenge with denatured type IV collagen or collagenase-treated type IV collagen failed to...
nicotine is one the chemical substance with high level of toxically. it crosses the placenta and accumulates in the developing organs of fetus. our previous investigations indicated that collagen type iv plays a key role in basement membrane of various embryonic organs. in this study we evaluated the effect of maternal nicotine exposure pre and postnatal period on collagen iv expression during ...
Introduction & Objective: Extra-cellular matrix and basement membrane play important roles in many developmental phenamenon during development and after birth. Among the components of the basement membrane, collagen fibers specially type IV, are the most important part of this area. As kidney is one of the target organs in diabetes mellitus and diabetic nephropathy is a major cause of end stage...
Serveral different types of collagen have been identified invivo. Human placenta has been employed by a number of investigators over the past decade as a starting material for isolation and characterization of different genetic types of collagen including type I,III,IV and IV molecules. &...
OBJECTIVE Subendothelial LDL-adhesion and its subsequent oxidation are considered as key events in the development of atherosclerotic lesions. During oxidation of LDL, reactive aldehydes such as malondialdehyde (MDA) are formed, which modify apolipoprotein B100. However, the possibility that these reactive aldehydes could leak out of the LDL-particle and modify surrounding extracellular matrix ...
Two major gelatinolytic metalloproteinases (gelatinases) of 65 kDa and 92 kDa were purified from a tumor cell line. Analysis of collagen degradation showed that native full-length Engelbreth-Holm-Swarm (EHS) type IV collagen was not cleaved by the purified gelatinases under conditions where native pepsin-extracted human placental type IV and V collagen and heat-denatured collagens were markedly...
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