نتایج جستجو برای: hyaluronic acid ha
تعداد نتایج: 801438 فیلتر نتایج به سال:
background: analysis of human cancer serum has revealed the presence of high amounts of hyaluronan (hyaluronic acid, ha) when compared to human normal serum, it is well documented that ha and its receptors, known as hyaladherins (habps) are involved in matrix regulation, cell proliferation, migration and malignant tumour progression. these hyaladherins not only interact with hyaluronan at the m...
The complex of hyaluronic acid (HA)-binding region, link protein, and hyaluronic acid was isolated from trypsin digests of bovine nasal cartilage proteoglycan aggregates and the HA-binding region was then purified from the complex. After dansylation of accessible amino groups, less than 15% of the HA-binding region molecules interacted with hyaluronic acid. Conversely, after acetylation with 2....
objective(s): protein kinase c (pkcα) is involved in modulating articular chondrocytes apoptosis induced by nitric oxide (no). hyaluronic acid (ha) inhibits nitric oxide-induced apoptosis of articular chondrocytes by protecting pkcα, but the mechanism remains unclear. the present study was performed to investigate the effects and mechanisms of pkcα regulate protective effect of hyaluronic acid....
Fluorophotometric measurement of the precorneal residence time of topically applied hyaluronic acid.
PURPOSE This study was performed to separately assess the aqueous flow applied with hyaluronic acid, and the behaviour of hyaluronic acid itself on the ocular surface. METHODS Two different fluorescent dyes, fluorescein sodium dissolved in 0.1% hyaluronic acid (HA) solution and 0.1% fluorescein conjugated with hyaluronic acid (F-HA) dissolved in saline, were used. A volume of 20 mul of tested...
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background: various approaches have been used in the attempts to improve the quality of frozen–thawed mouse sperms. according to literatures, it seems that hyaluronic acid (ha) has an important role on the permeability and motility of sperms and their interaction with gametes. objective: for evaluation of ha supplementation on sperm characteristics and fertilization capability, we investigated ...
Objective(s): Protein kinase C (PKCα) is involved in modulating articular chondrocytes apoptosis induced by nitric oxide (NO). Hyaluronic acid (HA) inhibits nitric oxide-induced apoptosis of articular chondrocytes by protecting PKCα, but the mechanism remains unclear. The present study was performed to investigate the effects and mechanisms of PKCα regulate protective effect of hya...
Introduction: Ischemia followed by apoptosis and follicles mortality are problems that occur after cryopreservation and ovarian tissue transplantation. The present study used hyaluronic acid hydrogel as a capsule to reduce ischemia and apoptosis in vitrified ovarian tissue transplantation of rats. Material & Methods: In total, 22 adult female rats (~ 8-week old) with normal estrous cycle were o...
3 The abbreviations used are: ROS, reactive oxygen species; VSMC, vascular smooth muscle cells, HA, hyaluronic acid; DMEM, Dulbecco’s modified Eagle’s medium; FBS, fetal bovine serum; Has2, hyaluronan synthase 2; Hyal3, hyaluronidase 3; LMW-HA, low-molecular-weight HA; HMW-HA, highmolecular-weight HA; DPI, diphenyleneiodonium chloride; DMNQ, 2,3-Dimethoxy-1,4-naphthoquinone; GKT136901 (2-(2-chl...
BACKGROUND Hyaluronic acid (HA) is removed by the liver via sinusoidal cell adhesion molecules. This is impeded in fibrosis, leading to a rise in serum HA. As a noninvasive marker of fibrosis, HA may obviate the need for liver biopsy. OBJECTIVE To evaluate HA as a marker of hepatic fibrosis, in unselected children undergoing liver biopsy. METHODS Ninety-three unselected consecutive children...
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