نتایج جستجو برای: fibrin matrix

تعداد نتایج: 376150  

2008
David M Smadja Agnès Basire Aymeric Amelot Aurélie Conte Ivan Bièche Bernard F Le Bonniec Martine Aiach Pascale Gaussem

Recent data suggest that endothelial progenitor cells (EPCs) are involved in recanalizing venous thrombi. We examined the impact of a fibrin network, and particularly of adsorbed thrombin, on EPCs derived from cord blood CD34(+) cells. Fibrin networks generated in microplates by adding CaCl(2) to platelet-depleted plasma retained adsorbed thrombin at the average concentration of 4.2 nM per well...

2016
Nenad Andjelkov Hans Hamberg Per Bjellerup

BACKGROUND Commercially available fibrin is routinely being used as both a matrix in certain cartilage repair techniques and a method for scaffold fixation. Chondrocytes from non-digested particulated cartilage fragments are proposed as a possible source for new cartilage tissue formation in some operative techniques. The goal of this study was to test that chondrocytes from particulated articu...

Journal: :The Journal of Cell Biology 1987
S C Stamatoglou R C Hughes U Lindahl

Adult rat hepatocytes cultured on type IV collagen, fibronectin, or laminin and maintained in serum-free medium were examined by indirect immunofluorescence using polyclonal antibodies against extracellular matrix proteins. An extensive fibrillar matrix containing fibronectin and fibrin was detected in all hepatocyte cultures irrespective of the exogenous matrix substratum used to support cell ...

2016
Su - Chiung Chen Vernat Exil

proceeding to transplantation in the first year of the disease, as four centers have advised on the basis of their perception that DCM had such a poor prognosis. In this published cohort, some recovered as late as six years after onset; would 40% of the transplanted children have recovered with normal contractility had they not been transplanted? Although the title of their study asserts that t...

Journal: :Thrombosis research 2007
David Ratel Samira Mihoubi Edith Beaulieu Yves Durocher Georges-Etienne Rivard Denis Gingras Richard Béliveau

Proteolysis of fibrin matrices by endothelial cells plays essential roles in the migratory and morphogenic differentiation processes underlying angiogenesis. Using an in vitro fibrinolysis model consisting of human umbilical vein endothelial cells (HUVECs) embedded in a three dimensional fibrin matrix, we show that VEGF, an angiogenic cytokine that plays a crucial role in the onset of angiogene...

Journal: :Biophysical journal 2008
Cyrus M Ghajar Xiaofang Chen Joseph W Harris Vinod Suresh Christopher C W Hughes Noo Li Jeon Andrew J Putnam Steven C George

The means by which extracellular matrix density regulates three-dimensional capillary morphogenesis is unclear. To study this phenomenon, we utilized a fibrin-based in vitro assay in which a fibroblast monolayer is plated atop a fibrin gel approximately 2.5 mm away from endothelial cell-coated beads within the matrix. Increasing fibrin density from 2.5 to 10 mg/ml resulted in a threefold reduct...

Eimani H Mohseni Koochesfahani H Rajabzadeh AR,

Background: Recent improvement in treatments of cancer has significantly increased survival rates of cancer patients. Unfortunately these treatments such as chemotherapy and radiotherapy can sever damage to the ovaries. Ovarian cryopreservation prior to chemo/ radiotherapy and auto-transplantation post-treatment can restore fertility to cancer patients. Hypoxia in the transplant from delayed re...

2016

The active ingredient of METALYSE (tenecteplase) is a recombinant fibrin-specific plasminogen activator that is derived from native t-PA by modification at three sites of the protein structure. It binds to the fibrin component of the thrombus (blood clot) and selectively converts thrombus-bound plasminogen to plasmin, which degrades the fibrin matrix of the thrombus. Tenecteplase has a higher f...

Journal: :Journal of cell science 1997
D Greiling R A Clark

After injury, the wound space is filled with a fibrin/fibronectin clot containing growth factors released by platelets and monocytes. In response to these factors, fibroblasts migrate into the fibrin clot and contribute to the formation of granulation tissue. The functional mechanisms allowing fibroblasts to leave the collagenous matrix of normal connective tissue and invade the provisional mat...

Journal: :Annals of hepatology 2016
Juliane I Beier Luping Guo Jeffrey D Ritzenthaler Swati Joshi-Barve Jesse Roman Gavin E Arteel

UNLABELLED  Background. The regenerative capacity of the liver is critical for proper responses to injury. Fibrin extracellular matrix (ECM) deposition is a common response to insult and contributes to inflammatory liver injury. However, the role of this matrix in hepatic regeneration has not been determined. OBJECTIVE The purpose of this study was first to determine the role of fibrin ECM in...

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