نتایج جستجو برای: transforming growth factor beta tgf β

تعداد نتایج: 1772411  

Journal: :iranian journal of immunology 0
maryam ayatollahi transplant research center alamtaj samsami dehaghani ob/gyn department, shiraz university of medical sciences, shiraz, iran ziaedin tabei transplant research center

background: successful pregnancy in allopregnant women depends upon the control of graft rejection mechanisms. it has been suggested that some immunosuppressive cytokines contribute to successful pregnancy and transplantation. transforming growth factor beta (tgf-   β) exhibits potent immunoregulatory and anti-inflammatory properties which might prolong graft survival. recent studies suggest a ...

2016
YAN-HUI WU XI AI FU-YAO LIU HUI-FANG LIANG BI-XIANG ZHANG XIAO-PING CHEN

Transforming growth factor (TGF)-β induces cell growth arrest in well-differentiated hepatocellular carcinoma (HCC) while hepatitis B virus X protein (HBx) minimizes the tumor suppression of TGF-β signaling in early chronic hepatitis B. However, how to reverse the oncogenic effect of HBx and sustain the tumor-suppressive action of TGF-β has yet to be investigated. The present study examined the...

2014
Devendra Kumar Gupta Neetu Singh Dinesh Kumar Sahu

In this article, we have reviewed current literature regarding the regulation of hepatocellular carcinoma (HCC) by the interaction of malignant hepatocytes and their tissue environment through cytokine signaling, here represented by transforming growth factor-beta (TGF-β) signaling. We have discussed responses of TGF-β signaling in transition of hepatic stellate cells to myofibroblasts (MFBs), ...

Journal: :Arquivos Brasileiros de Neurocirurgia 2022

Abstract Introduction High-grade primary brain tumors cause serious morbidity and mortality. This study aimed to investigate the role of transforming growth factor beta (TGF-β) suppressor mothers against decapentaplegic (Smad) receptors in high-grade tumors. Material Method Thirteen patients with a pathological diagnosis glioblastoma multiforme were included study. Pathological preparations eac...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تهران 1379

هدف از انجام این مطالعه بررسی چگونگی اثر ‏‎tgf-b2‎‏ بر بیان ژن ‏‎gm-csf‎‏ انسانی می باشد. ‏‎(gm-csf) granulocyte- macrophage colony stimulating factor ‎‏ قادر به تحریک پدیده تمایز در سلولهای مادری خونساز بوده و فعالیت سلولهای بالغ خونی را تحت تاثیر قرار می دهد. از این جهت همیشه بعنوان یک عامل مهم در پدیده خونسازی مورد توجه بوده است. سلولهای 5637 بدلیل افزایش نیمه عمر رونوشتهای ‏‎(mrna)‎‏ و بیان...

Journal: :American journal of cancer research 2015
Jianfeng Han Christopher A Alvarez-Breckenridge Qi-En Wang Jianhua Yu

Transforming growth factor-beta (TGF-β) is a pleiotropic cytokine, secreted by a variety of cells including immune cells, tumor cells, and stromal cells. TGF-β signaling is dysregulated in cancer patients, and this aberrant signaling at least in part contributes to initiation and progression of many cancers including glioma. The dysregulated signaling components provide molecular targets for th...

Asili, Javad , Baharara, Javad , Kerachian, Mohammad Amin , Parivar, Kazem , Soltani, Mozhgan ,

Background: Marine natural products contain a wide range of bioactive compounds with therapeutic properties that have revealed crucial properties in the treatment of some diseases. Some of these compounds have recently received considerable attention for drug discovery. In this study we examined the anti-angiogenic effect of saponin isolated from Holothuria leucospilota (sea cucumber) through e...

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