نتایج جستجو برای: zymography
تعداد نتایج: 1959 فیلتر نتایج به سال:
The permeability characteristics of biomaterials are critical parameters for a variety of implants. To analyse the permeability of membranes made from crosslinked ultrathin gelatin membranes and the transmigration of cells across the membranes, we combined three technical approaches: (1) a two-chamber-based permeability assay, (2) cell culturing with cytochemical analysis and (3) biochemical en...
Ticks are rich sources of serine protease inhibitors, particularly those that prevent blood clotting and inflammatory responses during blood feeding. The tick Rhipicephalus (Boophlus) annulatus is an important ectoparasite of cattle. The aims of this study were to characterize and purify the serine protease inhibitors present in R. (B.) annulatus larval extract. The inhibitors were characterize...
Snakebite is a common problem especially in tropical areas all over the world includingIran. Echis carinatus as one of the most dangerous Iranian snakes is spreading in this countryexcluding central and northwest provinces. In this study gelatinase and fibrinogenolyticproperties as two disintegrating matrix metalloproteinase enzymes were evaluated by a strongclear halo between 56-72 kDa in addi...
Protease stimulation in cultured normal human epidermal keratinocytes (NHEK) due to sulfur mustard (SM) exposure is well documented. However, the specific protease(s) stimulated by SM and the protease substrates remain to be determined. In this study, we observed that SM stimulates several proteases and the epidermal-dermal attachment protein laminin-5 is one of the substrates. We propose that ...
An aqueous extract of human placenta exhibits strong gelatinase/collagenase activity in zymography. 2-D gel electrophoresis of the extract with gelatin zymography in the second dimension displayed a single spot, identified as ubiquitin-like component upon MALDI/TOF MS/MS analysis. Immunoblot indicated presence of ubiquitin and absence of collagenase in the extract. Collagenase activity of the u...
Thyroid cancer is the most common endocrine malignancy. Mortality from thyroid cancer results from tumor invasion with local and distant metastases. Degradation of extracellular matrix is the hallmark of metastasis and is mediated by matrix metalloproteinase (MMP) enzymes. A novel Nutrient Mixture (NM) containing ascorbic acid, lysine, proline, and green tea extract has exhibited significant an...
BACKGROUND The aim of this study was to investigate the presence of MMP-14 and MMP-2 during human ovarian follicular development using immunohistochemistry, and the activity of MMP-2 in follicular fluid using zymography. METHODS Ovarian tissue collected from the archives of the Department of Pathology was examined and medical records and histopathology were reviewed. Follicular fluids were co...
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