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Source: Experimental and Therapeutic Medicine

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Total 206 results found since Jan 2013.

Fibroblast growth factor 21 inhibition aggravates cardiac dysfunction in diabetic cardiomyopathy by improving lipid accumulation.
In conclusion, it is suggested that FGF21 may be a potentially useful agent in the treatment of DCM. PMID: 29375676 [PubMed]
Source: Experimental and Therapeutic Medicine - January 30, 2018 Category: General Medicine Tags: Exp Ther Med Source Type: research

Small interfering RNA against ERK1/2 attenuates cigarette smoke-induced pulmonary vascular remodeling.
This study investigated the potential role of ERK1/2 in the proliferation of rat PASMCs (rPASMCs) and cigarette smoke-induced PVR in rats. A small interfering RNA (siRNA) against ERK1/2 (ERK1/2-siRNA) was synthesized, and it significantly reduced the expression of ERK1/2 and cyclin E1, significantly increased the proportion of cells arrested at G0/G1 phase and significantly suppressed the proliferation of rPASMCs treated with cigarette smoke extract compared with controls (all P<0.05). In rats, ERK1/2-siRNA, which was administered intranasally, also inhibited the activation of ERK1/2 and the upregulation of cyclin E1, b...
Source: Experimental and Therapeutic Medicine - December 6, 2017 Category: General Medicine Tags: Exp Ther Med Source Type: research

Association between connexin 40 and potassium voltage-gated channel subfamily A member 5 expression in the atrial myocytes of patients with atrial fibrillation.
Authors: Zhang F, Bian Y, Huang L, Fan W Abstract Structural and electrical remodeling within the atrium mediate the pathogenesis of atrial fibrillation (AF). Two key genes that sever a role in this remodeling are connexin 40 (Cx40) and potassium voltage-gated channel subfamily A member 5 (KCNA5), respectively. Electrical remodeling is considered to induce structural remodeling during AF. In the present study, the left atrial appendage section and atrial myocytes of patients with AF were evaluated. It was observed that Cx40 and KCNA5 mRNA (P<0.05) and protein (P<0.01) expression was significantly downregulate...
Source: Experimental and Therapeutic Medicine - December 6, 2017 Category: General Medicine Tags: Exp Ther Med Source Type: research

MUC1 downregulation inhibits non-small cell lung cancer progression in human cell lines.
In conclusion, the findings indicated that silencing of MUC1 gene may inhibit the development of NSCLC cells. PMID: 29104655 [PubMed]
Source: Experimental and Therapeutic Medicine - November 7, 2017 Category: General Medicine Tags: Exp Ther Med Source Type: research

Small interfering RNA directed against microRNA-155 delivered by a lentiviral vector attenuates asthmatic features in a mouse model of allergic asthma.
Authors: Chen H, Xu X, Cheng S, Xu Y, Xuefei Q, Cao Y, Xie J, Wang CY, Xu Y, Xiong W Abstract Asthma is a chronic T helper type 2 (Th2) cell-mediated inflammatory disease characterized by airway hyperresponsiveness (AHR) and airway inflammation. Although the majority of patients with asthma can achieve a good level of control with existing treatments, asthma runs a chronic course and the effectiveness of current treatment is not satisfactory for certain patients. MicroRNAs (miRNAs) are short noncoding RNAs that suppress gene expression at the post-transcriptional level; their role in regulating allergic inflammatio...
Source: Experimental and Therapeutic Medicine - November 7, 2017 Category: General Medicine Tags: Exp Ther Med Source Type: research

Evaluation of in vitro and in vivo therapeutic antitumor efficacy of transduction of polo-like kinase 1 and heat shock transcription factor 1 small interfering RNA.
Authors: Hattori Y, Kikuchi T, Ozaki KI, Onishi H Abstract Mitotic progression is regulated by the phosphorylation of heat shock transcription factor 1 (HSF1) by polo-like kinase 1 (PLK1); however, this interaction is often deregulated in tumors. High expression levels of PLK1 and HSF1 have been observed in various types of human cancer. In the present study, it was investigated whether small interfering (si)RNA against PLK1 or HSF1 could suppress tumor growth in vitro and in vivo. In vitro transfection of PLK1 and HSF1 siRNA into PKL1- and HSF1-positive human breast tumor MDA-MB-231 and human cervical carcinoma He...
Source: Experimental and Therapeutic Medicine - October 28, 2017 Category: General Medicine Tags: Exp Ther Med Source Type: research

Role of miR-128 in hypertension-induced myocardial injury.
Authors: Yin J, Liu H, Huan L, Song S, Han L, Ren F, Zhang Z, Zang Z, Zhang J, Wang S Abstract The present study aimed to investigate the role and mechanism of micro RNA (miR)-128 in hypertension-induced myocardial injury. The peripheral blood of patients with hypertension was collected and the expression of miR-128 was detected using fluorescence reverse transcription-quantitative polymerase chain reaction (RT-qPCR). Primary myocardial cells isolated from rat in vitro were cultured under conditions of hypoxia and glucose deprivation, and miR-128 expression was measured by RT-qPCR. The expression of c-Met protein w...
Source: Experimental and Therapeutic Medicine - September 21, 2017 Category: General Medicine Tags: Exp Ther Med Source Type: research

FEN1 knockdown improves trastuzumab sensitivity in human epidermal growth factor 2-positive breast cancer cells.
Authors: Zeng X, Che X, Liu YP, Qu XJ, Xu L, Zhao CY, Zheng CL, Hou KZ, Teng Y Abstract Trastuzumab has been widely applied as a treatment for human epidermal growth factor 2 (HER2)-overexpressing breast cancer. However, the therapeutic efficacy of trastuzumab is limited. Flap endonuclease 1 (FEN1) is a multifunctional endonuclease that has a crucial role in DNA recombination and repair. Inhibition of FEN1 is associated with the reversal of anticancer drug resistance. However, it is unclear whether FEN1 is involved in trastuzumab resistance. In the present study, it was demonstrated that trastuzumab increases the e...
Source: Experimental and Therapeutic Medicine - September 17, 2017 Category: General Medicine Tags: Exp Ther Med Source Type: research

Molecular mechanism of miR-181b in heart disease due to pregnancy-induced hypertension syndrome.
Authors: Gao Z, Wang L, Wang J, Yang F, Qu J Abstract The present study aimed to investigate the molecular mechanisms of microRNA (miR)-181b in heart disease due to hypertensive disorders complicating pregnancy (HDCP) through regulating the expression of metallopeptidase inhibitor 3 (TIMP3). miR-181b expression was detected by reverse transcription-quantitative polymerase chain reaction in peripheral blood samples from patients with HDCP. These samples were analyzed for clinical pathological characteristics. The primary cardiomyocytes of rats were cultured in hypoxic conditions for 24 h, in which miR-181b expressio...
Source: Experimental and Therapeutic Medicine - September 17, 2017 Category: General Medicine Tags: Exp Ther Med Source Type: research

Identification of microRNAs involved in gefitinib resistance of non-small-cell lung cancer through the insulin-like growth factor receptor 1 signaling pathway.
Authors: Ma W, Kang Y, Ning L, Tan J, Wang H, Ying Y Abstract Multiple clinical and experimental studies have suggested that epidermal growth factor receptor tyrosine kinase inhibitors (EGFR-TKIs) may be effective at treating advanced non-small cell lung cancer (NSCLC), however, the molecular basis of primary resistance to EGFR-TKIs in NSCLC remains unclear. In the current study, the insulin-like growth factor 1 receptor (IGF-1R) gene in the gefitinib-resistant human lung adenocarcinoma epithelial cell line A549 (A549/GR) was silenced using small interfering RNA (siRNA) in order to determine the role of microRNA (m...
Source: Experimental and Therapeutic Medicine - September 17, 2017 Category: General Medicine Tags: Exp Ther Med Source Type: research

Effects of siRNA-mediated suppression of HPV-11 L1 expression on the proliferation and apoptosis of vaginal epithelial cells.
Authors: Zeng J, Yang S, Wang X, Gao Y, Zhang M Abstract The aim of the present study was to investigate the effects of human papillomavirus (HPV) infection on the gynecological disease of vaginitis and to demonstrate how the small interfering RNA (siRNA) method may be used for HPV prevention in the clinic. Human vaginal epithelial cells were transfected with HPV-11 L1 expression vector and siRNA-HPV-11 L1 vectors and a control group was transfected with scrambled siRNA. Cell proliferation in each group was analyzed using the MTT assay and the expression of apoptosis-associated proteins was measured by western blot...
Source: Experimental and Therapeutic Medicine - April 18, 2017 Category: Journals (General) Tags: Exp Ther Med Source Type: research

USP39 regulates the growth of SMMC-7721 cells via FoxM1.
Authors: Yuan X, Sun X, Shi X, Jiang C, Yu D, Zhang W, Ding Y Abstract The present study investigated ubiquitin specific peptidase 39 (USP39) gene knockdown on SMMC-7721 cells in vitro and in vivo, and the role of USP39 in regulating the growth of hepatocellular carcinoma (HCC). Two small interfering RNAs (siRNA) were constructed, which targeted the USP39 gene and control sequences were synthesized and inserted into a pGCSIL-GFP lentiviral vector. The full length of USP39 cDNA was amplified by polymerase chain reaction (PCR) and cloned into pEGFP-N2, and the recombinant plasmids were transfected into cells. Knockdo...
Source: Experimental and Therapeutic Medicine - April 18, 2017 Category: Journals (General) Tags: Exp Ther Med Source Type: research

Effects of chemokine receptor 3 gene silencing by RNA interference on eosinophils.
Authors: Liu Y, Zhu X, Zhang H Abstract The present study aimed to use RNA interference (RNAi) to silence chemokine receptor 3 (CCR3) and observe the effects on eosinophils (EOS) in mice with allergic rhinitis (AR). CCR3 small interfering RNA (siRNA) lentiviral vectors were transduced into purified EOS cells cultured in vitro. Reverse transcription-polymerase chain reaction (RT-PCR) and western blot analyses were also used to detect the efficiency of silencing, and flow cytometry was used to detect the EOS apoptosis rates. Experimental mice were grouped for nasal administration, and the lentivirus was then dispense...
Source: Experimental and Therapeutic Medicine - January 27, 2017 Category: Journals (General) Tags: Exp Ther Med Source Type: research

ARID1A gene silencing reduces the sensitivity of ovarian clear cell carcinoma to cisplatin.
Authors: Lyu C, Zhang Y, Zhou X, Lang J Abstract In ovarian clear cell carcinoma (OCCC), the mutation rate of the AT-rich interaction domain 1A (ARID1A) gene is 46-57%. However, the effects of ARID1A gene silencing by small interfering RNA (siRNA) on the sensitivity of OCCC to cisplatin have not been investigated. Thus, this study aimed to elucidate the association between ARID1A gene silencing and drug resistance in OCCC. Three pairs of ARID1A gene siRNA fragments (siRNA-1, siRNA-2 and siRNA-3) were designed and transiently transfected into ES2 OCCC cells using RNAi Max reagent. Western blotting results demonstrat...
Source: Experimental and Therapeutic Medicine - January 22, 2017 Category: Journals (General) Tags: Exp Ther Med Source Type: research

MicroRNA-138 suppresses proliferation, invasion and glycolysis in malignant melanoma cells by targeting HIF-1α.
Authors: Chen Y, Cao KE, Wang S, Chen J, He B, He GU, Chen Y, Peng B, Zhou J Abstract MicroRNAs (miRs) may induce mRNA degradation or inhibit protein translation by directly binding to the 3'-untranslational region of target mRNAs. It has been reported that miR-138 is downregulated in malignant melanoma (MM) cells. However, the role of miR-138 in MM cell proliferation, invasion and energy metabolism remains unknown. These were investigated using reverse transcription-quantitative polymerase chain reaction was used to evaluate the expression of miR-138 and the mRNA expression of hypoxia-inducible factor-1α (HIF-1α...
Source: Experimental and Therapeutic Medicine - June 12, 2016 Category: Journals (General) Tags: Exp Ther Med Source Type: research