نتایج جستجو برای: mmps
تعداد نتایج: 4988 فیلتر نتایج به سال:
Transactivation of EGF-receptor (EGFR) by G-protein coupled receptors (GPCRs) is emerging as an important pathway in cell proliferation, which plays a crucial role in the development of atherosclerotic lesion. Angiotensin II (Ang II) has been identified to have a major role in the formation of atherosclerotic lesions, although the underlying mechanisms remain largely unclear. We hypothesize tha...
Mammalian kidney development is initiated by the mutual interaction between embryonic metanephric mesenchyme (MM) and the ureteric bud (UB), leading to tightly controlled UB branching morphogenesis. In a three-dimensional cell culture model, which employs MM cell-derived conditioned medium (BSN-CM) to induce UB cell branching morphogenesis in extracellular matrix (ECM) gels (Sakurai H, Barros E...
BACKGROUND Matrix metalloproteinases (MMPs) have been implicated in the invasion and metastasis of head and neck squamous cell carcinoma (HNSCC). However, a detailed analysis of MMPs and tissue inhibitors of MMPs (TIMPs) in relation to the biological behavior of HNSCC has yet to be performed in clinical material. OBJECTIVES To study a comprehensive profile of MMPs and their 2 main inhibitors ...
BACKGROUND Matrix metalloproteinases (MMPs) are evolutionarily conserved and multifunctional effector molecules in development and homeostasis. In spite of previous, intensive investigation in vitro and in cell culture, their pleiotrophic functions in vivo are still not well understood. METHODOLOGY/PRINCIPAL FINDINGS We show that the genetically amenable beetle Tribolium castaneum represents ...
Matrix metalloproteinases (MMPs) are a gene family of neutral proteases that are important in normal development, wound healing, and a wide variety of pathological processes, including the spread of metastatic cancer cells, arthritic destruction of joints, atherosclerosis, and neuroinflammation. In the central nervous system (CNS), MMPs have been shown to degrade components of the basal lamina,...
BACKGROUND Matrix metalloproteinases (MMPs) have been implicated in the pathogenesis of thoracic aortic aneurysms (TAAs). Cytokines [Interleukin (IL)-Iβ, IL-2, IL-6, and TNF-α)] increase the expression of MMP-2 and -3. Advanced glycation end products (AGEs) interact with cell receptors to increase the release of cytokines. Circulating soluble receptors for AGEs (sRAGE) and endogenous secretory ...
The marked tissue remodelling associated with luteolysis involves increased expression and activity of matrix metalloproteinases (MMPs) and an influx of immune cells, notably macrophages. Since the corpus luteum expresses high concentrations of specific tissue inhibitors of MMPs, it is clear that it is not only the increased activity of MMPs that is important, but also their tissue localization...
Tuberculosis (TB) remains a global health pandemic. Infection is spread by the aerosol route and Mycobacterium tuberculosis must drive lung destruction to be transmitted to new hosts. Such inflammatory tissue damage is responsible for morbidity and mortality in patients. The underlying mechanisms of matrix destruction in TB remain poorly understood but consideration of the lung extracellular ma...
Cleavage of the fibrillar collagens occurs during physiological conditions, as well as pathological conditions. The resistance of the fibrillar collagens to degradation is due to their rigid and compact structures. There are only a limited number of proteinases that have the capability to initiate the cleavage of the fibrillar collagens. These include some of the matrix metalloproteinases (MMPs...
Leukocytes are major cellular effectors of the immune response. To accomplish this task, these cells display a vast arsenal of proteinases, among which, members of the MMP family are especially important. Leukocytes express several members of the MMP family, including secreted- and membrane-anchored MT- MMPs, which synergistically orchestrate an appropriate proteolytic reaction that ultimately ...
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