نتایج جستجو برای: derived growth factor α
تعداد نتایج: 1974380 فیلتر نتایج به سال:
the compressibility factor of nonassociated chain molecules composed of hard convex core yukawa segments was derived with saft-vr and an extension of the barker-henderson perturbation theory for convex bodies. the temperature-dependent chain and dispersion compressibility factors were derived using the yukawa potential. the effects of temperature, packing fraction, and segment number on the com...
We showed previously that a truncated form of the platelet-derived growth factor (PDGF) beta-receptor lacking its kinase region can form a nonfunctional heterodimer with the wild-type beta-receptor and thereby inhibit its signal transduction. In this paper we investigated whether the truncated form of either alpha- or beta-receptor could block the function of the other type of wild-type PDGF re...
Carcinoma-associated fibroblasts (CAFs) play a pivotal role in promoting the growth, invasion and metastasis of tumor cells. However, to date little is known about the oncogenic mechanisms of CAFs. This study aimed to identify the microenvironmental factors involved in tumor development and progression directed by CAFs in liver metastases. Tissue ...
The expression of members of the platelet-derived growth factor (PDGF) system in bone marrow cells derived from Idiopathic myelofibrosis (IMF) has been investigated by real-time RT-PCR. Increased expression of PDGFs and the corresponding PDGF receptor a could be demonstrated to be a feature of advanced fibrosis in IMF that is not demonstrable in the prefibrotic phase of the disease.
Thickening of the inflamed intestinal wall involves growth of smooth muscle cells (SMC), which contributes to stricture formation. Earlier, the growth factor platelet-derived growth factor (PDGF)-BB was identified as a key mitogen for SMC from the rat colon (CSMC), and CSMC growth in colitis was associated with both appearance of its receptor, PDGF-Rβ and modulation of phenotype. Here, we exami...
A 68-year-old man presented to us with pancytopenia, erythroderma, and multiple lymphadenopathies. Lymph node biopsy led to the diagnosis of peripheral T-Cell lymphoma-not otherwise specified (PTCL-NOS). Immunostaining of the lymph node biopsy specimens for cytokines revealed that the tumor cells were positive for plated-derived growth factor (PDGF), basic fibroblast growth factor (b-FGF), vasc...
The compressibility factor of nonassociated chain molecules composed of hard convex core Yukawa segments was derived with SAFT-VR and an extension of the Barker-Henderson perturbation theory for convex bodies. The temperature-dependent chain and dispersion compressibility factors were derived using the Yukawa potential. The effects of temperature, packing fraction, and segment number on the com...
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