نتایج جستجو برای: timps
تعداد نتایج: 955 فیلتر نتایج به سال:
Antidepressants induce structural remodeling in the adult hippocampus, including changes in dendritic arbors, axonal sprouting, neurogenesis, and endothelial cell proliferation. Such forms of structural plasticity take place in the context of the extracellular matrix environment and are known to be regulated by matrix metalloproteinases (MMPs), in particular MMP-2/9, and their endogenous regula...
The balance between matrix metalloproteinases (MMPs) and tissue inhibitors of MMPs (TIMPs) plays an important role in extracellular matrix turnover and thereby modulates atherosclerotic plaque development. MMP-1, -2, -3, and -9 activity is increased by atherosclerosis, but the status of TIMPs is less clear. We therefore compared secretion of TIMPs-1 and -2 from cultured aortic explants derived ...
The extensive remodelling of the human endometrium throughout the menstrual cycle is accompanied by changes in production of matrix metalloproteinases, the activity of which can be inhibited by specific tissue inhibitors or by tissue inhibitors of metalloproteinases (TIMP)s with a 1:1 stoichiometry. This study immunolocalized TIMP-1, TIMP-2 and TIMP-3 in dated normal human endometrium across th...
The tissue inhibitors of metalloproteinases (TIMPs) are endogenous inhibitors of the matrix metalloproteinases (MMPs), enzymes that play central roles in the degradation of extracellular matrix components. The balance between MMPs and TIMPs is important in the maintenance of tissues, and its disruption affects tissue homoeostasis. Four related TIMPs (TIMP-1 to TIMP-4) can each form a complex wi...
Angiotensin II (Ang II) is a critical effector in the renin-angiotensin system (RAS), which modulates cardiovascular homeostasis, and the matrix metalloproteinases (MMPs) and tissue inhibitors of matrix metalloproteinases (TIMPs) related metabolism of extracellular matrix (ECM). Angiotensin(1-7) [Ang(1-7)] is another bioactive peptide in the RAS and is considered to have opposite effects to Ang...
BACKGROUND The matrix metalloproteinases (MMPs) and tissue inhibitors of matrix metalloproteinases (TIMPs) are strongly implicated in tumour invasion and metastasis. AIMS To investigate the presence of individual MMPs and TIMPs in gastric cancer. METHODS The presence of MMP-1, MMP-2, MMP-3, MMP-9, TIMP-1, and TIMP-2 was identified in a group of gastric cancers (n=74) by immunohistochemistry...
Matrix metalloproteinases (MMPs) are a heterogeneous family of endopeptidases that play role in many physiological functions, including the immune response. An imbalance between activity MMPs and their tissue inhibitors (TIMPs) has been proposed pathophysiology different autoimmune disorders. We aimed to assess plasmatic levels MMP-2, MMP-9, TIMP-1 -2 patients with chronic inflammatory demyelin...
The matrix metalloproteinases (MMPs) are a family of proteolytic enzymes that cleave the extracellular matrix and have been shown to be regulated by a class of proteins called the tissue inhibitors of metalloproteinases (TIMPs). Several studies have shown that extracellular matrix degradation by MMPs, specifically MMP-9, is involved in the pathogenesis of a wide spectrum of cardiovascular disor...
The tumor stroma has the capacity to drive cancer progression, although the mechanisms governing these effects are incompletely understood. Recently, we reported that deletion of tissue inhibitor of metalloproteinases (Timps) in fibroblasts unleashes the function of cancer-associated fibroblasts and identifies a novel mode of stromal-tumor communication that activates key oncogenic pathways inv...
High-intensity eccentric exercise is known to induce muscle damage leading to inflammatory responses and extracellular matrix (ECM) degradation. These degradation processes involve enzymes such as matrix metalloproteinases (MMPs) and tissue inhibitor of metalloproteinases (TIMPs). MMPs are calcium and zinc-dependent proteolytic enzymes that play a role in ECM degradation and recruitment of infl...
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