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Enhancement of Chemosensitivity by Stathmin-1 Silencing in Gastric Cancer Cells In Situ and In Vivo.
Authors: Meng ZJ, Tao K Abstract Reports show that the stathmin gene may have a close relationship with tumor chemotherapeutic sensitivity. However, the effect of stathmin-1 on the chemosensitivity of gastric cancer to docetaxel has not been clearly determined. siRNA targeting stathmin-1 was introduced. The cell growth inhibition, expression of associated proteins, cell cycle, and apoptosis were evaluated by MTT, Western blot, and flow cytometric assays, respectively. The influence of silencing stathmin-1 was detected in situ and in vivo. SGC7901/docetaxel cells are the drug-resistant cells. After silencing stathmi...
Source: Oncology Research - January 24, 2016 Category: Cancer & Oncology Tags: Oncol Res Source Type: research

The α7-nicotinic acetylcholine receptor mediates the sensitivity of gastric cancer cells to taxanes
Abstract Gastric cancer is difficult to cure because most patients are diagnosed at an advanced disease stage. Systemic chemotherapy remains an important therapy for gastric cancer, but both progression-free survival and disease-free survival associated with various combination regimens are limited because of refractoriness and chemoresistance. Accumulating evidence has revealed that the homomeric α7-nicotinic acetylcholine receptor (A7-nAChR) promotes human gastric cancer by driving cancer cell proliferation, migration, and metastasis. Therefore, A7-nAChR may serve as a potential therapeutic target for gastric c...
Source: Tumor Biology - October 25, 2015 Category: Cancer & Oncology Source Type: research

Clinical significance of glycoprotein nonmetastatic B and its association with HER2 in breast cancer
Abstract Glycoprotein nonmetastatic B (GPNMB) is a potential oncogene that is particularly expressed in melanoma and breast cancer (BC). To clarify its clinical significance in BC, we measured serum GPNMB in vivo and investigated its cross talk with human epidermal growth factor 2 (HER2). GPNMB was expressed in four of six breast cell lines (SK‐BR‐3, BT‐474, MDA‐MD‐231, and MDA‐MD‐157), two of six colorectal cell lines, and two of four gastric cancer (GC) cell lines. We established a GPNMB quantification system using enzyme‐linked immunosorbent assay (ELISA) for these cell lines. We measured serum GPNMB in...
Source: Cancer Medicine - June 16, 2015 Category: Cancer & Oncology Authors: Masako Kanematsu, Manabu Futamura, Masafumi Takata, Siqin Gaowa, Atsuko Yamada, Kasumi Morimitsu, Akemi Morikawa, Ryutaro Mori, Hideaki Hara, Kazuhiro Yoshida Tags: Original Research Source Type: research

Role of ribophorin II in the response to anticancer drugs in gastric cancer cell lines.
Authors: Yuan TM, Liang RY, Chueh PJ, Chuang SM Abstract The identification of prognostic markers and establishing their value as therapeutic targets improves therapeutic efficacy against human cancers. Ribophorin II (RPN2) has been demonstrated to be a prognostic marker of human cancer, including breast and pancreatic cancers. The present study aimed to evaluate RPN2 expression in gastric cancer and to examine the possible correlation between RPN2 expression and the response of cells to clinical anticancer drugs, which has received little research attention at present. The gastric cancer AGS, TMC-1, SNU-1, TMK-1, ...
Source: Oncology Letters - June 4, 2015 Category: Cancer & Oncology Tags: Oncol Lett Source Type: research