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https://www.readbyqxmd.com/read/28634441/roles-of-pannexin-1-channels-in-inflammatory-response-through-the-tlrs-nf-kappa-b-signaling-pathway-following-experimental-subarachnoid-hemorrhage-in-rats
#1
Ling-Yun Wu, Zhen-Nan Ye, Chen-Hui Zhou, Chun-Xi Wang, Guang-Bin Xie, Xiang-Sheng Zhang, Yong-Yue Gao, Zi-Huan Zhang, Meng-Liang Zhou, Zong Zhuang, Jing-Peng Liu, Chun-Hua Hang, Ji-Xin Shi
Background: Accumulating evidence suggests that neuroinflammation plays a critical role in early brain injury after subarachnoid hemorrhage (SAH). Pannexin-1 channels, as a member of gap junction proteins located on the plasma membrane, releases ATP, ions, second messengers, neurotransmitters, and molecules up to 1 kD into the extracellular space, when activated. Previous studies identified that the opening of Pannexin-1 channels is essential for cellular migration, apoptosis and especially inflammation, but its effects on inflammatory response in SAH model have not been explored yet...
2017: Frontiers in Molecular Neuroscience
https://www.readbyqxmd.com/read/28633009/rna-interference-reveals-the-coregulatory-effects-of-cylindromatosis-on-apoptosis-and-necroptosis-of-photoreceptor-cells-in-experimental-retinal-detachment
#2
Kai Dong, Linfeng Han, Jingwen Liu, Fenghua Wang, Xiaodong Sun
Inhibiting only cell apoptosis or necroptosis in photoreceptor cells does not protect them against death after traumatic retinal detachment. This study was designed to evaluate the coregulatory effects of the deubiquitinating enzyme cylindromatosis on the apoptosis and necroptosis of photoreceptor cells in experimental retinal detachment. Lentivirus Cyld shRNA was generated and used to suppress cylindromatosis expression in Sprague-Dawley rats. Three weeks after injection of lentivirus Cyld shRNA, retinal detachment surgery was performed...
June 17, 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/28632033/overexpression-of-alk5-induces-human-tenon-s-capsule-fibroblasts-transdifferentiation-and-fibrosis-in-vitro
#3
Shu-Hao Fu, Hui-Ying Wang, Jia-Ying Zhang, Hui-Min Shi, Nan Zhang, Wen Ye, Yi-Qin Xiao
PURPOSE: To investigate the involvement of activin receptor-like kinase 5 (ALK5) in human Tenon's capsule fibroblasts (HTFs) transdifferentiation and fibrosis. METHODS: (1) Cultured HTFs were treated with transforming growth factor beta 1 (TGF-β1) at different concentrations for different durations, mRNA expression of ALK5 and plasminogen activator inhibitor-1 (PAI-1) was measured by quantitative polymerase chain reaction (PCR) while protein expression of ALK5, α-smooth muscle actin (α-SMA), and extracellular matrix deposition including fibronectin (FN) and collagen I (Col1) was assessed by western blot...
February 28, 2017: Current Eye Research
https://www.readbyqxmd.com/read/28629431/microrna-330-3p-promotes-cell-invasion-and-metastasis-in-non-small-cell-lung-cancer-through-gria3-by-activating-mapk-erk-signaling-pathway
#4
Chun-Hua Wei, Gang Wu, Qian Cai, Xi-Can Gao, Fan Tong, Rui Zhou, Rui-Guang Zhang, Ji-Hua Dong, Yu Hu, Xiao-Rong Dong
BACKGROUND: Brain metastasis (BM) is associated with poor prognosis in patients with non-small cell lung cancer (NSCLC). Recent studies demonstrated that microRNA-330-3p (miR-330-3p) was involved in NSCLC brain metastasis (BM). However, the exact parts played by miR-330-3p in BM of NSCLC remain unknown. Discovery and development of biomarkers and elucidation of the mechanism underlying BM in NSCLC is critical for effective prophylactic interventions. Here, we evaluated the expression and biological effects of miR-330-3p in NSCLC cells and explored the underlying mechanism of miR-330-3p in promoting cell migration and invasion in NSCLC...
June 19, 2017: Journal of Hematology & Oncology
https://www.readbyqxmd.com/read/28628652/microrna-433-3p-promotes-osteoblast-differentiation-through-targeting-dkk1-expression
#5
Xiaolin Tang, Jiantao Lin, Guanhai Wang, Jianlin Lu
Dickkopf-1 (DKK1) is a powerful antagonist of canonical WNT signaling pathway, and is regarded as a biomarker for osteoporosis. Its expression is highly correlated with bone mass and osteoblasts maturation. In this study, mouse primary bone marrow cells and osteoblast cell lines were used. Luciferase reporter assay and western blotting methods were employed to validate if miRNA-433-3p epigenetically regulated DKK1 translation. Rat bone marrow derived osteoblasts were infected with lentivirus vector in which miR-433-3p was constructed...
2017: PloS One
https://www.readbyqxmd.com/read/28628186/knockdown-of-homeobox-containing-1-increases-the-radiosensitivity-of-cervical-cancer-cells-through-telomere-shortening
#6
Shuliang Zhou, Youde Xiao, Yafei Zhuang, Yinyin Liu, Hong Zhao, Hui Yang, Conghua Xie, Fuxiang Zhou, Yunfeng Zhou
Homeobox containing 1 (HMBOX1) modulates telomere length in various types of tumor cells by binding to double‑stranded telomeric DNA. There is a negative correlation between telomere length and radiosensitivity in tumor cells. In the present study, we aimed to investigate the relationship among HMBOX1, telomere and radiosensitivity in cervical cancer cells. Lentivirus-based shRNAs were used to establish stable transfected cell lines in which protein and mRNA levels of HMBOX1 were notably decreased. Knockdown of HMBOX1 increased the radiosensitivity of HeLa and C33A cells...
July 2017: Oncology Reports
https://www.readbyqxmd.com/read/28628152/-relationship-between-macrophage-capping-protein-and-gastric-cancer-cell-s-proliferation-and-migration-ability
#7
(no author information available yet)
OBJECTIVE: To investigate the effect of macrophage-capping protein (CapG) on migration and proliferation of human gastric cancer cell line. METHODS: Real-time PCR method was used to detect the expression of CapG gene in four gastric cancer cell lines, and AGS cells with low expression and transfection were selected as the research objects. Specific primers were designed for CapG and recombinant plasmids synthesized. A lentivirus packaging system which could express CapG was constructed, and a cell line stably expressing CapG was established by infecting human gastric cancer cell line AGS cells...
June 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28627702/lentivirus%C3%A2-mediated-knockdown-of-chondroitin-polymerizing-factor-inhibits-glioma-cell-growth-in%C3%A2-vitro
#8
Yang-Hua Fan, Bing Xiao, Shi-Gang Lv, Min-Hua Ye, Xin-Gen Zhu, Miao-Jing Wu
Glioma is the most common primary tumor in the central nervous system, characterized by rapid progression, aggressive behavior, frequent recurrence and poor prognosis. In the present study we demonstrated that chondroitin polymerizing factor (CHPF) is highly expressed in human glioma tissues and 4 glioma cell lines. To explore the role of CHPF in glioma, a lentiviral vector expressing CHPF shRNA was constructed and transfected into the glioma U251 cells, which stably downregulated the expression levels of the CHPF gene in U251 cells in vitro...
June 19, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28627681/b7-h3-promotes-the-proliferation-migration-and-invasiveness-of-cervical-cancer-cells-and-is-an-indicator-of-poor-prognosis
#9
Yi Li, Jingjing Zhang, Sai Han, Qiuhong Qian, Qian Chen, Lu Liu, Youzhong Zhang
B7-H3 is an immune regulatory molecule whose aberrant expression in tumors is associated with adverse outcomes. Upregulation of B7-H3 may promote tumor cell proliferation and metastasis in vitro, but the role of B7-H3 in cervical cancer has not yet been investigated. We measured B7-H3 expression in 90 cervical cancer patient and 20 non‑cervical lesion patient tissues using immunohistochemistry and in 30 cervical cancer patient and 30 healthy donor blood samples using ELISA. The association of B7-H3 expression and the prognosis of cervical cancer patients was investigated...
June 19, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28627667/loss-of-mir-449a-caused-prlz-overexpression-promotes-prostate-cancer-metastasis
#10
Wei Chen, Yi Liu, Hongde Chen, Hao Ning, Kejia Ding
Distant metastasis is the worst prognostic factor for PCa patients. It has been reported that miR-449a enhances radiosensitivity of prostate cancer cells, but the function of miR449a in metastasis of prostate cancer is mainly unknown. In the present study, we strove to investigate the function and diagnostic value of miR-449a in metastasis of prostate cancer. qRT-PCR was used to quantify the expression of miR449a and PrLZ in PCa cell lines and tissues. we found that miR449a expression was decreased in PCa cell lines...
June 12, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28627651/sox4-promotes-melanoma-cell-migration-and-invasion-though-the-activation-of-the-nf-%C3%AE%C2%BAb-signaling-pathway
#11
Qiong Cheng, Jinfeng Wu, Yaohua Zhang, Xiao Liu, Nan Xu, Fuguo Zuo, Jinhua Xu
SOX4 has been reported to be abnormally expressed in many types of cancer, including melanoma. However, its role in cell proliferation and metastasis remains controversial. In this study, SOX4 was downregulated or overexpressed in A375, A2058 and A875 melanoma cells by siRNA or lentivirus transfection, respectively. Cell metastasis was observed by Transwell assay. In an aim to elucidate the underlying mechanisms, we determined the expression of nuclear factor-κB (NF-κB) by real-time PCR assay and western blot analysis...
June 16, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28627631/effect-of-oatp1b1-genetic-polymorphism-on-the-uptake-of-tamoxifen-and-its-metabolite-endoxifen
#12
Chun-Mei Gao, Zhichen Pu, Chunyuan He, Dahu Liang, Yuanwei Jia, Xiaolong Yuan, Guangji Wang, Haitang Xie
Overexpression lentivirus platform was established of OATP1B1 (organic anion transporting polypeptides 1B1) wild‑type and mutant type genetic polymorphism in vitro, and using this platform we investigated and compared the uptake of tamoxifen and its metabolites by mutating the 388 and the 521 bases. The overexpression lentivirus cell platforms were successfully constructed, including OATP1B1*1a-HEK293T and OATP1B1*1b-HEK293T and OATP1B1*5-HEK293T cell model, the infection efficiency is not less than 80%...
June 16, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28627611/epithelial-mesenchymal-transition-and-cancer-stem-cell-like-phenotype-induced-by-twist1-contribute-to-acquired-resistance-to-irinotecan-in-colon-cancer
#13
Yong Yang, Guoxin Wang, Dajian Zhu, Yanfeng Huang, Yong Luo, Pengfei Su, Xiaowu Chen, Qian Wang
Inherent and acquired chemoresistance reduce the effectiveness of irinotecan in the treatment of metastatic colorectal cancer (CRC). However, the molecular mechanisms underlying this resistance process are still unclear. Twist1 is one of the master transcription factors of epithelial-mesenchymal transition (EMT). Our previous study indicated that Twist1 is overexpressed in colon cancer tissues, and demonstrated that Twist1 plays a crucial role in the chemoresistance of CRC. In the present study, we further investigated how Twist1 contribute to acquired resistance to irinotecan in colon cancer...
June 14, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28627345/-effects-of-microrna-21-inhibitor-on-apoptosis-of-type-ii-alveolar-epithelial-cells-in-rats-with-hyperoxia-induced-acute-lung-injury
#14
Lei Shi, Ying He, Bing Bai, Miao Chen
OBJECTIVE: To observe the effects of microRNA-21 (miR-21) inhibitor on apoptosis of type II alveolar epithelial cells (AEC II) in rats with hyperoxia-induced acute lung injury (HALI). METHODS: Eighty Sprague-Dawley (SD) rats were divided into air-control group, hyperoxia injury group, empty-virus control group (200 μL solution with lentivirus was dropped into the nasal) and miR-21 inhibitor pretreatment group (200 μL solution with lentivirus contained miR-21 inhibitor was dropped through the nasal) by random number table...
March 2017: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
https://www.readbyqxmd.com/read/28627344/-protective-effect-of-bag-1l-mediated-by-lentivirus-in-human-neuroblastoma-cells-induced-by-hypoxia
#15
Yun Wang, Qingshu Li, Chao Jia, Chunyu Xie, Yankun Song, Nan Zhang, Yan Qu
OBJECTIVE: To investigate the protective effects of lentivirus mediated Bcl-2-associated athanogene 1L (BAG-1L) over-expression on human neuroblastoma cells (SH-SY5Y) induced by hypoxia/re-oxygenation, and to study its effect on the phosphoinositide 3 kinase serine/threonine protein kinase (PI3K/AKT) pathway. METHODS: SH-SY5Y cells were cultured in vitro, and the cells at logarithmic phase were collected, and they were divided into recombined lentiviral infection group [infected by lentivirus containing BAG-1L and green fluorescent protein (GFP) gene], vector control group (infected by lentivirus containing GFP without BAG-1L gene) and cell control group (non-infection)...
March 2017: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
https://www.readbyqxmd.com/read/28624527/significantly-altered-expression-of-mir-511-3p-and-its-target-akt3-has-negative-prognostic-value-in-human-prostate-cancer
#16
Fan Zhang, Zhongjun Wu
PURPOSE: In this study, we assessed the expression and functions of microRNA-511-3p (miR-511-3p) in human prostate cancer (CaP). METHODS: Gene expressions of miR-511-3p in CaP cells and human CaP tumors were assessed by qPCR. In VCaP and PC3 cells, miR-511-3p was overexpressed by lentivirus. The functions of miR-511-3p upregulation in regulating in vitro cancer proliferation, migration and in vivo cancer growth were assessed by MTT, transwell and transplantation assays, respectively...
June 14, 2017: Biochimie
https://www.readbyqxmd.com/read/28623098/acquired-inhibition-of-microrna-124-protects-against-spinal-cord-ischemia-reperfusion-injury-partially-through-a-mitophagy-dependent-pathway
#17
Kun Liu, Lihui Yan, Xiaojing Jiang, Yang Yu, Hongbo Liu, Tianxiang Gu, Enyi Shi
OBJECTIVE: Mitophagy results in selective clearance of damaged mitochondria. We investigated whether mitophagy was involved in the neuroprotection by inhibiting microRNA (miRNA)-124 on ischemic spinal cords. METHODS: Inhibition of miRNA-124 was conducted by intrathecal injection of lentivirus vectors containing antagomiR-124. Spinal cord ischemia was induced in rats by crossclamping the descending aorta just distal to the left subclavian artery for 14 minutes. Hind-limb motor function was assessed with the motor deficit index (MDI)...
May 23, 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28622852/efficacy-of-e2-glycoprotein-fused-to-porcine-cd154-as-a-novel-chimeric-subunit-vaccine-to-prevent-classical-swine-fever-virus-vertical-transmission-in-pregnant-sows
#18
Sara Muñoz-González, Yusmel Sordo, Marta Pérez-Simó, Marisela Suárez, Albert Canturri, Maria Pilar Rodriguez, María Teresa Frías-Lepoureau, Mariano Domingo, Mario Pablo Estrada, Llilianne Ganges
Here we evaluated the effect of double vaccination with a novel subunit marker vaccine candidate based in the CSFV E2 glycoprotein fused to the porcine CD154 to prevent CSFV vertical transmission. A lentivirus-based gene delivery system was used to obtain a stable recombinant HEK 293 cell line for the expression of E2 fused to porcine CD154 molecule. Six pregnant sows were distributed in two groups and at 64days of gestation animals numbered 1-4 (group 1) were vaccinated via intramuscular inoculation with 50μg of E2-CD154 subunit vaccine...
June 2017: Veterinary Microbiology
https://www.readbyqxmd.com/read/28618933/high-expression-of-long-non-coding-rna-zeb1-as1-promotes-colorectal-cancer-cell-proliferation-partially-by-suppressing-p15-expression
#19
Huangbo Gong, Hao Wen, Xuhui Zhu, Yifan Lian, Xiaojun Yang, Zhuyin Qian, Jin Zhu
This study aims to investigate the function of long non-coding RNA ZEB1-AS1, reveal its molecular mechanism in colorectal cancer cell growth, and evaluate its clinical significance in colorectal cancer patients. ZEB1-AS1 has reported in the development of several cancers, but the biological role of it in colorectal cancer has not been discussed. In this report, ZEB1-AS1 expression level was measured with quantitative real-time polymerase chain reaction in 63 pairs of colorectal cancer tissues and paired adjacent non-tumor colorectal tissues...
June 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28615103/-her2-promotes-cell-migration-via-inhibiting-the-expression-of-e-cadherin-in-human-mammary-epithelial-cells
#20
Shan Liang, Zichuan Jiang, Huan Liu, Xia Yang
Objective To study the effect of HER2 on morphology and migration of MCF10A human mammary epithelial cells and its mechanism. Methods The stable HER2-overexpressing MCF10A cells were established by lentivirus infection. Then, cell migration was analyzed by Transwell(TM) assay; E-cadherin expression was detected by Western blotting, real-time quantitative PCR and immunofluorescent staining. Results HER2-overexpressing MCF10A cells showed scattering growth pattern and increased migration ability. Overexpression of HER2 decreased the expression of E-cadherin protein in MCF10A cells, and also reduced the membrance-associated E-cadherin...
June 2017: Xi Bao Yu Fen Zi Mian Yi Xue za Zhi, Chinese Journal of Cellular and Molecular Immunology
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