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https://www.readbyqxmd.com/read/28109198/mir-143-induces-the-apoptosis-of-prostate-cancer-lncap-cells-by-suppressing-bcl-2-expression
#1
Zhiwei Ma, Yizhao Luo, Mingxing Qiu
BACKGROUND Prostate cancer has become a serious threat to the life of patients. microRNAs are small non-coding RNA molecules that regulate the growth and apoptosis of cells. We aimed to investigate the regulation and mechanism of microRNA (miR-143) in the proliferation and apoptosis of prostate cancer LNCap cells. MATERIAL AND METHODS miR-143 and control scramble miRNA were synthesized and respectively transfected into LNCap cells. The proliferation and apoptosis were detected by MTT assay, flow cytometry, and caspase-3 activity assay...
January 21, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28109133/the-prognostic-and-therapeutic-application-of-micrornas-in-breast-cancer-tissue-and-circulating-micrornas
#2
REVIEW
Afsane Bahrami, Seyed Amir Aledavoud, Kazem Anvari, Seyed Mahdi Hassanian, Mina Maftouh, Ali Yaghobzade, Omid Salarzaee, Soodabeh ShahidSales, Amir Avan
Breast cancer is the second most common malignancy diagnosed in women, supporting the need for identification of novel prognostic and diagnostic biomarkers. Recently, microRNAs have emerged as molecular regulators that can have key roles in pathogenesis and progression of different malignancies, including breast cancer. Micro-RNAs can be circulated in body fluid, suggesting their values as non-invasive marker. There is growing body of evidence showing the aberrant activation of some known circulating miRNAs, e...
January 21, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28109084/mir-5195-3p-inhibits-proliferation-and-invasion-of-human-bladder-cancer-cells-by-directly-targeting-oncogene-klf5
#3
Zhangjie Jiang, Yida Zhang, Runfu Cao, Li Li, Kezhao Zhong, Qingsheng Chen, Jianjun Xiao
MiRNAs played key roles in carcinogenesis of many cancers including bladder cancer. In current study, the role of miR-5195-3p, a quite recently discovered and poorly studied miRNA, in the proliferation and invasion of human bladder cancer cells was investigated. Our data displayed that, compared with the healthy volunteers (control) and SU-HUC-1 human normal bladder epithelial cells, miR-5195-3p was sharply down-regulated in the bladder cancer patients and 5 human bladder cancer cell lines. Then, the oligo miR-5195-3p mimic or miR-5195-3p antagomir was respectively transfected into both T24 and BIU-87 bladder cancer cell lines...
January 20, 2017: Oncology Research
https://www.readbyqxmd.com/read/28109082/microrna-133a-inhibits-proliferation-of-gastric-cancer-cells-by-downregulating-erbb2-expression
#4
Chang Li, Xiaoping Li, Shuohui Gao, Chang Li, Lianjun Ma
Gastric cancer is the fourth most common cancer and the second leading cause of cancer-related deaths worldwide. It hasalready been established that miR-133a is involved in gastric cancer. In this study, we aimed to investigate the molecular mechanisms by which miR-133a inhibits the proliferation of gastric cancer cells. We analyzed the proliferative capacity of human gastric cancer cells SNU-1, using MTT assay. Cell apoptosis was determined using flow cytometry. The expression levels of ERBB2, p-ERK1/2 and p-AKT in SNU-1 cells were determined using Western blot analysis...
January 20, 2017: Oncology Research
https://www.readbyqxmd.com/read/28109080/microrna-21-inhibits-the-apoptosis-of-osteosarcoma-cell-line-saos-2-via-targeting-caspase-8
#5
Bin Xu, Hehuan Xia, Junming Cao, Zhihong Wang, Yipeng Yang, Yongsheng Lin
Currently, multiple microRNAs (miRNAs) have been found play vital roles in the pathogenesis of osteosarcoma. This studywas aimed to investigate the role of miR-21 in osteosarcoma. The level of miR-21 in 20 pairs of osteosarcoma and correspondingly adjacent tissues were monitored by qPCR. Human osteosarcoma cells line SAOS-2 was transfected with either miR-21 mimic or miR-21 inhibitor, and then cell viability, survival and apoptosis were respectively measured by MTT, colony formation assay, and flow cytometry...
January 20, 2017: Oncology Research
https://www.readbyqxmd.com/read/28109076/microrna-409-3p-represses-glioma-cell-invasion-and-proliferation-by-targeting-high-mobility-group-nucleosome-binding-domain-5
#6
Yidong Cao, Liang Zhang, Minghao Wei, Xue Jiang, Dong Jia
Emerging evidence has suggested that aberrantly expressed microRNAs (miRNAs) are associated with glioma development andprogression. The aberrant expression of miR-409-3p has been reported in several human cancers. However, little is known about the function of miR-409-3p in gliomas. The aim of this study was to investigate the specific role and molecular mechanism of miR-409-3p in gliomas. In the present study, we found that miR-409-3p was downregulated in glioma tissue and cell lines. Overexpression of miR-409-3p inhibited glioma cell invasion and proliferation, whereas suppression of miR-409-3p promoted glioma cell invasion and proliferation...
January 20, 2017: Oncology Research
https://www.readbyqxmd.com/read/28108732/fak-regulates-e-cadherin-expression-via-p-srcy416-p-erk1-2-p-stat3y705-and-ppar%C3%AE-mir-125b-stat3-signaling-pathway-in-b16f10-melanoma-cells
#7
Guoshun Pei, Yan Lan, Dianhua Chen, Lina Ji, Zi-Chun Hua
Focal adhesion kinase (FAK) is involved in tumor cell migration and metastasis. However, the underlying mechanism remains unclear. Here, we present a signaling pathway involved in the regulation of melanoma cell migration by FAK. We found that the interference of FAK expression suppressed B16F10 cell migration/metastasis, and altered the expressions of genes involved in melanoma migration/metastasis. The down-regulation of FAK inhibited the expression of p-SrcY416, p-ERK1/2, Stat3 and p-Stat3Y705, while promoted the expression of PPARγ, miR-125b and E-cadherin...
January 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/28108674/effects-of-microrna-338-on-morphine-tolerance-by-targeting-cxcr4-in-a-rat-model-of-bone-cancer-pain
#8
Hong-Xia Mei, Min-Hong Zhou, Xing-Wang Zhang, Xi-Xi Huang, Yong-Le Wang, Pei-Fang Wang, Gong-Hao Zhan
This study aimed to investigate the effects of microRNA-338 (miR-338) on morphine tolerance through the targeting of CXCR4 in a rat model of bone cancer pain (BCP). Sprague Dawley rats were obtained and divided into model saline (n = 10), model morphine (n = 50), normal saline (n = 10) and normal morphine (healthy rats, n = 10) groups. After BCP rat model establishment, the remaining SD rats (n = 40) in the model saline group were assigned into pLV-THM-miR-338, pLV-THM-anti-miR-338, CXCR4 shRNA, blank and phosphate buffer saline (PBS) groups...
January 20, 2017: Bioscience Reports
https://www.readbyqxmd.com/read/28108673/plasma-microrna-21-expression-an-indicator-for-the-severity-of-type-2-diabetes-with-diabetic-retinopathy
#9
Qi Jiang, Xue-Man Lv, Yi Yuan, Ling Wang
OBJECTIVE: To investigate the roles of plasma microRNA-21 (miR-21) in the pathogenic process of type 2 diabetes (T2D) with diabetic retinopathy (DR). METHODS: T2D patients included patients without DR (NDR group), patients with non-proliferative/background DR (BDR group) and patients with proliferative DR (PDR group). Healthy individuals served as control group. Fasting plasma glucose (FPG), glycosylated hemoglobin (HbA1c), triglycerides (TG), total cholesterol (TC), urine creatinine (Cr), fasting blood glucose (FBG), blood urea nitrogen (BUN), low-density cholesterol (LDL-C), fasting insulin (FINS) and plasma miR-21 expression were measured...
January 20, 2017: Bioscience Reports
https://www.readbyqxmd.com/read/28108317/silencing-mir-106b-accelerates-osteogenesis-of-mesenchymal-stem-cells-and-rescues-against-glucocorticoid-induced-osteoporosis-by-targeting-bmp2
#10
Ke Liu, Ying Jing, Wen Zhang, Xuejie Fu, Huan Zhao, Xichao Zhou, Yunxia Tao, Huilin Yang, Yan Zhang, Ke Zen, Chenyu Zhang, Donghai Li, Qin Shi
Osteoporosis is a serious health problem worldwide. MicroRNA is a post-transcriptional regulator of gene expression by either promoting mRNA degradation or interfering with mRNA translation of specific target genes. It plays a significant role in the pathogenesis of osteoporosis. Here, we first demonstrated that miR-106b (miR-106b-5p) negatively regulated osteogenic differentiation of mesenchymal stem cells in vitro. Then, we found that miR-106b expression increased in C57BL/6 mice with glucocorticoid-induced osteoporosis (GIOP), and that silencing of miR-106b signaling protected mice against GIOP through promoting bone formation and inhibiting bone resorption...
January 17, 2017: Bone
https://www.readbyqxmd.com/read/28108314/mirna-638-promotes-autophagy-and-malignant-phenotypes-of-cancer-cells-via-directly-suppressing-dact3
#11
Yanli Ren, Yujie Chen, Xue Liang, Yan Lu, Wenting Pan, Ming Yang
Dyregulation of autophagy is implicated in human cancers and the mechanism details remains largely unclear. Herein we report the regulatory role of miR-638 in autophagy of esophageal squamous cell carcinoma (ESCC) and breast cancer cells. We found that miR-638 overexpression promotes starvation- and rapamycin-induced autophagy. In ESCC and breast cancer cells, miR-638 acts as an oncogene and promote cell proliferation, migration, as well as invasion in vitro and in vivo. In accordance with this, we observed significantly higher miR-638 expression in ESCC and breast cancer tissues compared to normal tissues...
January 17, 2017: Cancer Letters
https://www.readbyqxmd.com/read/28108312/ctgf-promotes-osteosarcoma-angiogenesis-by-regulating-mr-543-angiopoietin-2-signaling
#12
Li-Hong Wang, Hsiao-Chi Tsai, Yu-Che Cheng, Chih-Yang Lin, Yuan-Li Huang, Chun-Hao Tsai, Guo-Hong Xu, Shih-Wei Wang, Yi-Chin Fong, Chih-Hsin Tang
Osteosarcoma is the most common primary solid tumor of bone. It has a high metastatic potential and occurs predominantly in adolescents and young adults. Angiopoietin 2 (Angpt2) is a key regulator in tumor angiogenesis, facilitating tumor growth and metastasis. Connective tissue growth factor (CTGF, also known as CCN2), is a cysteine-rich protein that has been reported to promote metastasis of osteosarcoma. However, the effect of CTGF on Angpt2 regulation and angiogenesis in human osteosarcoma remains largely unknown...
January 17, 2017: Cancer Letters
https://www.readbyqxmd.com/read/28108217/cdk3-is-a-major-target-of-mir-150-in-cell-proliferation-and-anti-cancer-effect
#13
Liang Wang, Yongyong Xi, Chengcao Sun, Feng Zhang, Heng Jiang, Qiqiang He, Dejia Li
MiR-150, a member of small non-coding RNAs, has been proven to dysregulate in different types of tumor and bear on carcinogenesis and cancer prognosis by regulating the expression of a series of gene including utrophin. Given that utrophin can compensate for dystrophin's absence and be regarded as a promising therapeutic target for Duchenne Muscular Dystrophy (DMD), we further detected the deep role of miR-150 in dystrophic muscle. Using a range of bioinformatic, molecular and cell biology techniques, we declared that miR-150 directly targets cyclin-dependent kinase 3 (CDK3) and leads to the regulation of CDK3 gene expression in both muscle-derived and non-muscle cells...
January 17, 2017: Experimental and Molecular Pathology
https://www.readbyqxmd.com/read/28107872/mir-21-targets-and-inhibits-tumor-suppressor-gene-pten-to-promote-prostate-cancer-cell-proliferation-and-invasion-an-experimental-study
#14
Yu Yang, Jia-Xiang Guo, Zhi-Qiang Shao
OBJECTIVE: To study whether miR-21 targets and inhibits tumor suppressor gene PTEN can promote prostate cancer cell proliferation and invasion. METHODS: Prostate cancer cell lines PC-3 were cultured and divided into negative control group (NC group), miR-21 group, pcDNA3.1 group, miR-21+pcDNA3.1 group and miR-21+PTEN group that were transfected with different miR and plasmid, respectively. After 12 h and 24 h of transfection, the cell viability and invasive cell number were determined; after 24 h of transfection, Bcl-2, Survivin, MMP2, MMP9, PTEN, PI3K, and AKT expression in cells were determined...
January 2017: Asian Pacific Journal of Tropical Medicine
https://www.readbyqxmd.com/read/28107581/mir-9-plays-a-role-in-il-10-mediated-expression-of-e-cadherin-in-acute-myelogenous-leukemia-cells
#15
Chie Nishioka, Takayuki Ikezoe, Bin Pan, Kailin Xu, Akihito Yokoyama
We previously showed that the CD82/STAT5/IL-10 axis is activated in CD34(+) /CD38(-) acute myelogenous leukemia (AML) cells which favor bone marrow microenvironment. The present study explored the novel biological function of IL-10 in regulation of expression of adhesion molecules in AML cells and found that exposing AML cells to IL-10 induced expression of E-cadherin, but not other adhesion molecules including VLA4, CD29, and LFA1. Downregulation of E-cadherin with a small interfering RNA (siRNA) suppressed the adhesion of leukemia cells to bone marrow-derived mesenchymal stem cells and enhanced the anti-leukemia effect of cytarabine (AraC)...
January 20, 2017: Cancer Science
https://www.readbyqxmd.com/read/28107250/evaluating-excessive-burden-of-depression-on-health-status-and-health-care-utilization-among-patients-with-hypertension-in-a-nationally-representative-sample-from-the-medial-expenditure-panel-survey-meps-2012
#16
Hui Shao, Mir Umer Mohammed, Nick Thomas, Saleh Babazadeh, Shuang Yang, Qian Shi, Lizheng Shi
Depression and hypertension frequently present together in clinical practice. Evaluating the interaction between depression and hypertension would help stakeholders better understand the value of depression prevention in primary care. This retrospective study aimed to evaluate the excessive burden of depression on overall health and on health care utilization expenditure among hypertensive patients. A total of 7019 hypertensive patients (ICD-9-CM: 401) were identified from the 2012 Medical Expenditure Panel Survey (MEPS 2012) data, of which 936 patients had depression (ICD-9-CM: 311)...
January 18, 2017: Journal of Nervous and Mental Disease
https://www.readbyqxmd.com/read/28107197/mtdh-promotes-glioma-invasion-through-regulating-mir-130b-cernas
#17
Liping Tong, Ming Chu, Bingqing Yan, Weiyi Zhao, Shuang Liu, Wei Wei, Huihuang Lou, Shengkun Zhang, Shuai Ma, Juan Xu, Lanlan Wei
Cell invasion is crucial for high mortality and recurrence rate in glioma. Epithelial-mesenchymal transition (EMT) is an important step in cancer invasion. Metadherin (MTDH) contributes to EMT in several cancers, but the role and mechanism of MTDH in EMT-like process of glioma remain unknown. Here we demonstrate that MTDH was overexpressed in glioma tissues and cells and induced EMT-like change and invasion of glioma cells. Interestingly, MTDH could modulate the expression of a group of glioma-related miRNAs...
January 18, 2017: Oncotarget
https://www.readbyqxmd.com/read/28107193/microrna-744-promotes-prostate-cancer-progression-through-aberrantly-activating-wnt-%C3%AE-catenin-signaling
#18
Han Guan, Chunhui Liu, Fang Fang, Yeqing Huang, Tao Tao, Zhixin Ling, Zonghao You, Xu Han, Shuqiu Chen, Bin Xu, Ming Chen
Accumulated evidence indicate that miR-744 functions as either tumor suppressor or oncogene in the progression of a variety of tumors, with a tumor type-specific way. However, little is known about how miR-744 impacts on the tumorigenesis of human prostate cancer. In this study, employing the analyses of microarray, qRT-PCR and re-analysis of MSKCC data, we found that CRPC tissues expressed much more miR-744 than ADPC tissues did, and the expression level of miR-744 was inversely associated with survival of CRPC patients...
January 18, 2017: Oncotarget
https://www.readbyqxmd.com/read/28107180/identification-of-micrornas-implicated-in-the-late-differentiation-stages-of-normal-b-cells-suggests-a-central-role-for-mirna-targets-zeb1-and-tp53
#19
Giorgio Malpeli, Stefano Barbi, Simonetta Zupo, Gabriele Tosadori, Giovanni Scardoni, Anna Bertolaso, Silvia Sartoris, Stefano Ugel, Caterina Vicentini, Matteo Fassan, Annalisa Adamo, Mauro Krampera, Maria Teresa Scupoli, Carlo Maria Croce, Aldo Scarpa
In the late B cell differentiation stages, miRNAs expression modifications promoting or inhibiting key pathways are only partially defined. We isolated 29 CD19+ human B cell samples at different stages of differentiation: B cells from peripheral blood; naïve, germinal center (GC) and subepithelial (SE) B cells from tonsils. SE cells were further split in activated and resting B cell. The miRNA expression profile of these B cells was assessed by microarray analysis and selected miRNAs were validated by quantitative RT-PCR and in situ hybridization on normal tonsils...
January 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/28106784/microrna-29a-alleviates-bile-duct-ligation-exacerbation-of-hepatic-fibrosis-in-mice-through-epigenetic-control-of-methyltransferases
#20
Ya-Ling Yang, Feng-Sheng Wang, Sung-Chou Li, Mao-Meng Tiao, Ying-Hsien Huang
MicroRNA-29 (miR-29) is found to modulate hepatic stellate cells' (HSCs) activation and, thereby, reduces liver fibrosis pathogenesis. Histone methyltransferase regulation of epigenetic reactions reportedly participates in hepatic fibrosis. This study is undertaken to investigate the miR-29a regulation of the methyltransferase signaling and epigenetic program in hepatic fibrosis progression. miR-29a transgenic mice (miR-29aTg mice) and wild-type littermates were subjected to bile duct-ligation (BDL) to develop cholestatic liver fibrosis...
January 18, 2017: International Journal of Molecular Sciences
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