نتایج جستجو برای: timps
تعداد نتایج: 955 فیلتر نتایج به سال:
PURPOSE Elevated intraocular pressure (IOP) is the only known modifiable risk factor for primary open angle glaucoma (POAG), and it can be caused by reduced aqueous humor outflow from the anterior chamber. Outflow is predominantly regulated by the trabecular meshwork, consisting of specialized cells within a complex extracellular matrix (ECM). An imbalance between ECM-degrading matrix metallopr...
BACKGROUND During progression of gastric cancer (GC), degradation of the extracellular matrix is mediated by the matrix metalloproteases (MMPs) and their tissue inhibitors (TIMPs): changes in the expression of these have been related to unfavorable prognosis in GC. OBJECTIVE To analyze the expression of certain MMPs and TIMPs in chronic superficial gastritis (SG) and GC. METHODS The express...
Matrix metalloproteinases (MMPs) as well as their inhibitors (TIMPs) play a crucial role in controlling extracellular matrix turnover and have recently been associated with atherosclerosis, myocardial and vascular injury. Moreover, the genetic variability of MMP genes has been suggested to play an important role in vascular remodeling and age-related arterial stiffening. This study aims to desc...
Matrix metalloproteinases (MMPs) and their endogenous inhibitors TIMPs (tissue inhibitors of MMPs), are two protein families that work together to remodel the extracellular matrix (ECM). TIMPs serve not only to inhibit MMP activity, but also aid in the activation of MMPs that are secreted as inactive zymogens. Xenopus laevis metamorphosis is an ideal model for studying MMP and TIMP expression l...
The uterus undergoes dynamic tissue remodeling throughout each reproductive cycle, which is regulated in part by the matrix metalloproteinases (MMP) system. The MMP system is comprised of the proteolytic factors, the MMPs, and their tissue inhibitors (TIMPs), which act in concert to modulate extracellular matrix turnover and cell behaviors and thus play a key role in many physiologic and pathol...
Tissue inhibitor of metalloproteinases (TIMPs; TIMP-1, -2, -3 and -4) are endogenous inhibitor for matrix metalloproteinases (MMPs) that are responsible for remodeling the extracellular matrix (ECM) and involved in migration, invasion and metastasis of tumor cells. Unlike under normal conditions, the imbalance between MMPs and TIMPs is associated with various diseased states. Among TIMPs, TIMP-...
Asthmatic smokers have poor symptom control and accelerated decline in lung function. A reduced ratio of matrix metalloproteinase (MMP)-9/tissue inhibitors of metalloproteinases (TIMPs) in nonsmokers with asthma has been implicated in airway remodelling. We tested the hypothesis that sputum MMP-9 activity/TIMPs ratios are reduced in smokers compared with never-smokers with asthma and are associ...
OBJECTIVES We sought to elucidate how the local activation of matrix metalloproteinases (MMPs) is balanced by that of the endogenous tissue inhibitors of MMP (TIMPs) during left ventricular (LV) remodeling. BACKGROUND Although it is known that the extracellular matrix (ECM) must be altered during LV remodeling, its local regulation has not been fully elucidated. METHODS In Dahl salt-sensiti...
Tissue inhibitors of metalloproteinases (TIMPs) are the endogenous inhibitors of the matrix metalloproteinases (MMPs) and a disintegrin and metalloproteinases (ADAMs). TIMP molecules are made up of two domains: an N-terminal domain that associates with the catalytic cleft of the metalloproteinases (MP) and a smaller C-terminal domain whose role in MP association is still poorly understood. This...
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