نتایج جستجو برای: collagen
تعداد نتایج: 61383 فیلتر نتایج به سال:
Background: The occlusion of the artery and vein grafts are currently a major problem in coronary bypass surgery. Degradation of collagen and elastin, the most abundant extracellular matrix proteins in the vessel wall by matrix metalloproteinase (MMPs), leads to a rearrangement of the extracellular matrix and vascular wall structure. The present study aimed to compare the histological and bioch...
In the present study, we investigated the effect of collagen and collagen peptides from bluefin tuna abdominal skin on cancer cells. Collagens were extracted from bluefin tuna (Thunnus orientails) abdominal, mackerel, and carp skin. The calf and salmon collagen were used reagent grade as a standard samples. The main protein band pattern produced by SDS-PAGE of all collagen samples consisted of ...
Real–time digestion of type I collagen molecules by bacterial collagenase from Clostridium histolyticum has been monitored using Dynamic Light Scattering method. Time dependencies for translation diffusion coefficient (Dt) and hydrodynamic radius (RH) on were obtained pure “collagen + collagenase” Tris–HCl buffer solution at different temperatures solutions with added CaCl2, ZnCl2 MgCl2 EDTA. I...
objective: the incidence of heart valve disease is increasing worldwide and the number of heart valve replacements is expected to increase in the future. by mimicking the main tissue structures and properties of heart valve, tissue engineering offers new options for the replacements. applying an appropriate scaffold in fabricating tissue-engineered heart valves (tehvs) is of importance since it...
In the literature, effect of type casing on fermented sausages is quite unexplored, while several studies are focused impact starter cultures. Therefore, this paper studied three commercial cultures and two casings (natural or collagen) Italian sausages. Physico-chemical parameters (aw, pH, weight loss), microbiota, aroma profile sensory analysis were evaluated. Results showed that collagen pro...
Combined therapy with clarithromycin (CLTR) and N–acetyl cysteine (NAC) may be useful in diseases with impaired oxidant-antioxidant balance, fibroblast proliferation, and collagen deposition such as pulmonary fibrosis. Activated inflammatory cells which accumulate in the lower airways may release increased amounts of reactive oxygen species (ROS) when accompanied with a deficiency in glut...
Objective- The present study was aimed to evaluate repair of a critical segmental defect of rabbit femur using the rabbit’s femoral defects repaired by Zeolite and Zeolite/Collagen scaffolds Design- Experimental Study Animals- Forty-five mature male New Zealand white rabbits Procedures- The animals were randomly divided into three groups of 15 animals each. In the first group...
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