نتایج جستجو برای: matrix metalloproteinase mmp
تعداد نتایج: 374023 فیلتر نتایج به سال:
Tissue inhibitor of metalloproteinase 1 (TIMP-1)-deficient mice are resistant to Pseudomonas aeruginosa corneal infections. Corneas healed completely in TIMP-1-deficient mice, and infections were cleared faster in TIMP-1-deficient mice than in wild-type littermates. Genetic suppression studies using matrix metalloproteinase (MMP)-deficient mice showed that MMP-9, MMP-3, and MMP-7 but not MMP-2 ...
PURPOSE To assess matrix metalloproteinase (MMP)-9 expression in pterygium lesion. METHODS A prospective randomized clinical trial was done to evaluate the expression of matrix metalloproteinase in normal and in primary or recurrent pterygia in Tenon's capsule by immunohistochemical analysis and a computerized image analysis system. The data were submitted to statistical analysis. RESULTS M...
Age-related macular degeneration (AMD) is the leading cause of permanent, irreversible, central blindness (scotoma in the central visual field that makes reading and writing impossible, stereoscopic vision, recognition of colors and details) in patients over the age of 50 years in European and North America countries, and an important role is attributed to disorders in the regulation of the ext...
BACKGROUND Myocarditis is an important cause for cardiac failure, especially in younger patients, followed by the development of cardiac dysfunction and death. The present study investigated whether gene deletion of matrix metalloproteinase-2 influences cardiac inflammation and function in murine coxsackievirus B3 (CVB3)-induced myocarditis. METHODS AND RESULTS Matrix metalloproteinase-2 knoc...
Located within the perisinusoidal space and surrounded by extracellular matrix, hepatic stellate cells (HSC) undergo phenotypic trans-differentiation called "myofibroblastic activation" in liver fibrogenesis. This study investigated the regulation of interleukin-1 (IL-1alpha) on expression of matrix metalloproteinases (MMPs) by HSC grown in three-dimensional extracellular matrix and the role of...
the lung cancer is one of the most dangerous cancers and is also the leading cause of cancer death worldwide, accounting for about 1.3 million deaths annually. however in clinical practice, lung cancer therapies commonly do with chemotherapy, although it is hard because the lung cancer may progress to metastasis stage. the metastasis of lung cancer is highly dependent of expression of matrix me...
As 90% of cancer-patient deaths are due to metastasis, novel therapeutics that selectively target and kill metastatic cells desperately needed. Matrix metalloproteinase-14 (MMP-14), which plays a critical role in digesting the basement membrane inducing cancer cell migration, has been found be expressed at surface circulating metastasized tumor various human cancers. We have recently shown IVS4...
abstract introduction: matrix metalloproteinase 2 is one of the inflammatory mediators that is involved in nociceptive processing and its production is regulated by many inflammatory factors such as nitric oxide. we studied the role of mmp-2 on the analgesic effects of nnos inhibitor. methods: considering that nitric oxide has many roles in pain processing, we studied the csf levels of mmp-2 af...
PURPOSE The matrix metalloproteinases (MMPs) are a family of proteolytic enzymes involved in tumor invasion; several individual members of which have been implicated in tumor prognosis. These enzymes and their physiologic inhibitors, the tissue inhibitors of matrix metalloproteinases (TIMPs), act in a coordinated manner to form an integrated system. Therefore, to understand their role in tumor ...
We exposed human macrophages isolated from the peripheral blood of healthy donors to metal and bone-cement particles from 0.2 to 10 microm in size. Zymography showed that macrophages exposed to titanium alloy and polymethylmethacrylate (PMMA) particles released a 92- and 72-kDa gelatinase in a dose- and time-dependent manner. Western immunoblotting confirmed that the 92- and 72-kDa gelatinolyti...
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