نتایج جستجو برای: osteopontin opn

تعداد نتایج: 4638  

2016
Chengcheng Hao Zhiyan Wang Yanan Gu Wen G Jiang Shan Cheng

Objectives. Osteopontin (OPN) is overexpressed in breast cancers, while its clinical and prognostic significance remained unclear. This study aimed to assess the prognostic value of OPN, especially its splice variants, in breast cancers. Methods. Data were extracted from eligible studies concerning the OPN and OPN-c expression in breast cancer patients and were used to calculate the association...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2008
Mari L Shinohara Hye-Jung Kim June-Ho Kim Virgilio A Garcia Harvey Cantor

Osteopontin (Opn) contributes to diverse biological processes that include immune responses, vascularization, and bone formation. Until recently, studies describing the activities of Opn have focused on the cytokine-like properties of the secreted protein. Here, we show that alternative translation of a single Opn mRNA species generates a secreted and intracellular isoform. Utilization of a 5' ...

2017
Hossam Hodeib Ola ELshora Amal Selim Nesreen Mohammed Sabry Heba Mohamed EL-ashry

INTRODUCTION Hepatocellular Carcinoma (HCC) is a primary tumor of the liver; it is one of the most common cancers worldwide. Osteopontin (OPN) is a phosphorylated glycoprotein which is implicated in enhancing invasive and metastatic progression of many tumors. Midkine (MDK) is a 13-kDa small heparin-binding growth factor which plays a significant role in carcinogenesis related activities. The a...

2016
Jawed Iqbal Steven McRae Thi Mai Krishna Banaudha Mehuli Sarkar-Dutta Gulam Waris

Osteopontin (OPN) is a secreted phosphoprotein which has been linked to tumor progression and metastasis in a variety of cancers including hepatocellular carcinoma (HCC). Previous studies have shown that OPN is upregulated during liver injury and inflammation. However, the role of OPN in hepatitis C virus (HCV)-induced liver disease pathogenesis is not known. In this study, we determined the in...

2018
Juyi Li Yi Cai Zhongjing Wang Aiping Deng Guoliang Yang

The aim of this study was to investigate whether osteopontin (OPN) variants are associated with susceptibility to ankylosing spondylitis (AS) in a Chinese population. Polymorphisms at the 9175th position in exon 7 of OPN and rs17524488 were genotyped using direct sequencing in 186 unrelated AS patients and 188 ethnically matched healthy controls. Serum concentration of OPN was measured by enzym...

2015
Iman A. Mohamed Alain-Pierre Gadeau Larry Fliegel Gary Lopaschuk Mohamed Mlih Nabeel Abdulrahman Natasha Fillmore Fatima Mraiche

Enhanced expression and activity of the Na+/H+ exchanger isoform 1 (NHE1) has been implicated in cardiomyocyte hypertrophy in various experimental models. The upregulation of NHE1 was correlated with an increase in osteopontin (OPN) expression in models of cardiac hypertrophy (CH), and the mechanism for this remains to be delineated. To determine whether the expression of active NHE1-induces OP...

2016
Koji Kitagori Hajime Yoshifuji Takuma Oku Chiyomi Sasaki Hitomi Miyata Keita P. Mori Toshiki Nakajima Koichiro Ohmura Daisuke Kawabata Naoichiro Yukawa Yoshitaka Imura Kosaku Murakami Ran Nakashima Takashi Usui Takao Fujii Kaoru Sakai Motoko Yanagita Yoshitaka Hirayama Tsuneyo Mimori

We assessed the utility of two forms of osteopontin (OPN), OPN full and its cleaved form (OPN N-half), in plasma and urine as markers of disease activity in lupus nephritis (LN). Samples were collected from patients with systemic lupus erythematosus (SLE) (LN: N = 29, non-LN: N = 27), IgA nephropathy (IgAN) (N = 14), minimal change nephrotic syndrome (MCNS) (N = 5), diabetic nephropathy (DN) (N...

Journal: :Journal of immunology 2009
Kathryn X Wang Yufang F Shi Yacov Ron Christian C Kazanecki David T Denhardt

Osteopontin (OPN) is a cytokine implicated in mediating responses to certain stressors, including mechanical, oxidative, and cellular stress. However, the involvement of OPN in responding to other physical and psychological stress is largely unexplored. Our previous research revealed that OPN is critical for hind limb-unloading induced lymphoid organ atrophy through modulation of corticosteroid...

Journal: :Clinical cancer research : an official journal of the American Association for Cancer Research 2004
John O Schorge Richard D Drake Hang Lee Steven J Skates Ramababu Rajanbabu David S Miller Jae-Hoon Kim Daniel W Cramer Ross S Berkowitz Samuel C Mok

PURPOSE CA125 is currently the only tumor marker to have a validated role in the postoperative monitoring of ovarian cancer. Osteopontin (OPN) is a putative plasma biomarker that was recently identified using high-throughput cDNA microarray technology. The purpose of this study was to test the hypothesis that OPN is a clinically useful adjunct to CA125 in detecting recurrent ovarian cancer. E...

Journal: :Molecular immunology 2011
Haiou Yang Huaizu Guo Kexing Fan Bo Zhang Lei Zhao Sheng Hou Weizhu Qian Dapeng Zhang Hao Wang Jianxing Dai Yajun Guo

Osteopontin (OPN) is a cytokine with multiple functions, including the regulation of innate immune response. However, the detailed function and mechanism of OPN in host defense against invaded microorganisms remain unclear. In this report, we revealed that OPN could affect the clearance of Propionibacterium acnes in kupffer cells. In a murine model of P. acnes induced hepatic granuloma, OPN-def...

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