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https://www.readbyqxmd.com/read/28915582/microrna-610-suppresses-osteosarcoma-oncogenicity-via-targeting-twist1-expression
#1
Chi Jin, Yongjian Feng, Yongjian Ni, Zhonglin Shan
Osteosarcoma is the most frequent primary bone tumor affects adolescents and young adults. Recently, microRNAs (miRNAs) are short, non-coding and endogenous RNAs that played as important roles in the initiation and progression of tumors. In this study, we try to explore the biological function and expression of miR-610 in the osteosarcoma. We showed that miR-610 expression was downregulated in the osteosarcoma tissues and cell lines. Elevated expression of miR-610 suppressed the osteosarcoma cell proliferation, cell cycle, invasion and EMT program...
August 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28910345/circulating-mrnas-and-mirnas-as-candidate-markers-for-the-diagnosis-and-prognosis-of-prostate-cancer
#2
Marilesia Ferreira de Souza, Hellen Kuasne, Mateus de Camargo Barros-Filho, Heloísa Lizotti Cilião, Fabio Albuquerque Marchi, Paulo Emilio Fuganti, Alexandre Rossi Paschoal, Silvia Regina Rogatto, Ilce Mara de Syllos Cólus
Circulating nucleic acids are found in free form in body fluids and may serve as minimally invasive tools for cancer diagnosis and prognosis. Only a few studies have investigated the potential application of circulating mRNAs and microRNAs (miRNAs) in prostate cancer (PCa). The Cancer Genome Atlas (TCGA) database was used for an in silico analysis to identify circulating mRNA and miRNA as potential markers of PCa. A total of 2,267 genes and 49 miRNAs were differentially expressed between normal and tumor samples...
2017: PloS One
https://www.readbyqxmd.com/read/28887457/spinal-mirna-124-regulates-synaptopodin-and-nociception-in-an-animal-model-of-bone-cancer-pain
#3
Sara Elramah, María José López-González, Matthieu Bastide, Florence Dixmérias, Olivier Roca-Lapirot, Anne-Cécile Wielanek-Bachelet, Anne Vital, Thierry Leste-Lasserre, Alexandre Brochard, Marc Landry, Alexandre Favereaux
Strong breakthrough pain is one of the most disabling symptoms of cancer since it affects up to 90% of cancer patients and is often refractory to treatments. Alteration in gene expression is a known mechanism of cancer pain in which microRNAs (miRNAs), a class of non-coding regulatory RNAs, play a crucial role. Here, in a mouse model of cancer pain, we show that miR-124 is down-regulated in the spinal cord, the first relay of the pain signal to the brain. Using in vitro and in vivo approaches, we demonstrate that miR-124 is an endogenous and specific inhibitor of synaptopodin (Synpo), a key protein for synaptic transmission...
September 8, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28881833/lncrna-h19-mediates-bmp9-induced-osteogenic-differentiation-of-mesenchymal-stem-cells-mscs-through-notch-signaling
#4
Junyi Liao, Xinyi Yu, Xue Hu, Jiaming Fan, Jing Wang, Zhicai Zhang, Chen Zhao, Zongyue Zeng, Yi Shu, Ruyi Zhang, Shujuan Yan, Yasha Li, Wenwen Zhang, Jing Cui, Chao Ma, Li Li, Yichun Yu, Tingting Wu, Xingye Wu, Jiayan Lei, Jia Wang, Chao Yang, Ke Wu, Ying Wu, Jun Tang, Bai-Cheng He, Zhong-Liang Deng, Hue H Luu, Rex C Haydon, Russell R Reid, Michael J Lee, Jennifer Moriatis Wolf, Wei Huang, Tong-Chuan He
Mesenchymal stem cells (MSCs) are multipotent progenitor cells that can undergo self-renewal and differentiate into multiple lineages. Osteogenic differentiation from MSCs is a well-orchestrated process and regulated by multiple signaling pathways. We previously demonstrated that BMP9 is one of the most potent osteogenic factors. However, molecular mechanism through which BMP9 governs osteoblastic differentiation remains to be fully understood. Increasing evidence indicates noncoding RNAs (ncRNAs) may play important regulatory roles in many physiological and/or pathologic processes...
August 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/28881252/bone-derived-exosomes
#5
REVIEW
Jin Liu, Defang Li, Xiaohao Wu, Lei Dang, Aiping Lu, Ge Zhang
Exosomes are endosomal-derived vesicles secreted by a wide range of cell types for transporting functional proteins, microRNAs (miRNAs) and messenger RNAs (mRNA) from their parental cells to affect the recipient cells. Emerging evidence indicates that exosomes also play an important role in the intercellular communication among the bone cells, that is, osteoblasts, osteoclasts and bone marrow stromal cells, within bone microenvironment. Here, we reviewed the local and systemic effects of bone-derived exosomes, and discussed the potential of exosomes as targeted delivery systems for molecular therapy in skeletal disorders...
September 4, 2017: Current Opinion in Pharmacology
https://www.readbyqxmd.com/read/28881218/downregulated-expression-of-mir-223-promotes-toll-like-receptor-activated-inflammatory-responses-in-macrophages-by-targeting-rhob
#6
Ningjie Zhang, Liyao Fu, Yanhong Bu, Yao Yao, Yongjun Wang
Toll-like receptors (TLRs) induced-inflammatory response must be tightly regulated to avoid impairment in host itself. Numerous factors have been identified in regulation of TLR-triggered inflammatory response. Among these, microRNAs (miRNAs) are small non-coding RNA molecules which have got much attention. MiR-223, which highly expresses in myeloid cells of the bone marrow, has reported to participate in kinds of inflammatory responses by targeting inflammasome sensor-NLRP3 to repress production of IL-6 and IL-1β, and thus attenuate inflammatory response...
September 4, 2017: Molecular Immunology
https://www.readbyqxmd.com/read/28870611/safety-and-activity-of-microrna-loaded-minicells-in-patients-with-recurrent-malignant-pleural-mesothelioma-a-first-in-man-phase-1-open-label-dose-escalation-study
#7
Nico van Zandwijk, Nick Pavlakis, Steven C Kao, Anthony Linton, Michael J Boyer, Stephen Clarke, Yennie Huynh, Agata Chrzanowska, Michael J Fulham, Dale L Bailey, Wendy A Cooper, Leonard Kritharides, Lloyd Ridley, Scott T Pattison, Jennifer MacDiarmid, Himanshu Brahmbhatt, Glen Reid
BACKGROUND: TargomiRs are minicells (EnGeneIC Dream Vectors) loaded with miR-16-based mimic microRNA (miRNA) and targeted to EGFR that are designed to counteract the loss of the miR-15 and miR-16 family miRNAs, which is associated with unsuppressed tumour growth in preclinical models of malignant pleural mesothelioma. We aimed to assess the safety, optimal dosing, and activity of TargomiRs in patients with malignant pleural mesothelioma. METHODS: In this first-in-man, open-label, dose-escalation phase 1 trial at three major cancer centres in Sydney (NSW, Australia), we recruited adults (aged ≥18 years) with a confirmed diagnosis of malignant pleural mesothelioma, measurable disease, radiological signs of progression after previous chemotherapy, Eastern Cooperative Oncology Group performance status of 0 or 1, life expectancy of 3 months or more, immunohistochemical evidence of tumour EGFR expression, and adequate bone marrow, liver, and renal function...
September 1, 2017: Lancet Oncology
https://www.readbyqxmd.com/read/28866093/mir-127-and-mir-376a-act-as-tumor-suppressors-by-in%C3%A2-vivo-targeting-of-coa1-and-pdia6-in-giant-cell-tumor-of-bone
#8
Ingrid Herr, Heiner Sähr, Zhefu Zhao, Libo Yin, Georg Omlor, Burkhard Lehner, Jörg Fellenberg
Giant cell tumors of bone (GCTB) are generally benign bone tumors associated with expansive osteolytic defects, a high rate of recurrence and potential malignant transformation. We recently observed silencing of miR-127-3p and miR-376a-3p in GCTB and identified COA1 and PDIA6 as their target genes. Here, we investigate the impact of these microRNAs and their target genes on tumor engraftment and progression of giant cell tumor stromal cells (GCTSC) in vivo by xenotransplantation on the chorioallantoic membrane of chicken eggs...
September 1, 2017: Cancer Letters
https://www.readbyqxmd.com/read/28864780/microrna-sequence-analysis-identifies-micrornas-associated-with-peri-implantitis-in-dogs
#9
Xiaolin Wu, Xipeng Chen, Wenxiang Mi, Tingting Wu, Qinhua Gu, Hui Huang
Peri-implantitis, which is characterized by dense inflammatory infiltrates and increased osteoclast activity, can lead to alveolar bone destruction and implantation failure. MicroRNAs (miRNAs) participate in the regulation of various inflammatory diseases, such as periodontitis and osteoporosis. Therefore, this study aimed to investigate the differential expression of miRNAs in canine peri-implantitis and to explore the functions of their target genes. A miRNA sequence analysis was used to identify differentially expressed miRNAs in peri-implantitis...
September 1, 2017: Bioscience Reports
https://www.readbyqxmd.com/read/28860826/mirna-221-of-exosomes-originating-from-bone-marrow-mesenchymal-stem-cells-promotes-oncogenic-activity-in-gastric-cancer
#10
Min Ma, Shilin Chen, Zhuo Liu, Hailong Xie, Hongyu Deng, Song Shang, Xiaohong Wang, Man Xia, Chaohui Zuo
Worldwide, gastric cancer (GC) is one of the deadliest malignant tumors of the digestive system. Moreover, microRNAs (miRNAs) of exosomes harbored within cancer cells have been determined to induce inflammatory conditions that accelerate tumor growth and metastasis. Interestingly, the oncogenic role of bone marrow mesenchymal stem cells (BM-MSCs) in the modulation of immunosuppression, tumor invasion, and metastasis was discovered to be partly mediated through the secretion of exosomes. In this article, high expression of miRNA-221 (miR-221) in exosomes of the peripheral blood was determined to be positively correlated with the poor clinical prognosis of GC, especially with respect to tumor, node, and metastases stage...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/28859128/plasma-microvesicle-analysis-identifies-microrna-129-5p-as-a-biomarker-of-heart-failure-in-univentricular-heart-disease
#11
Sweta Ramachandran, Alexander Lowenthal, Carissa Ritner, Shiri Lowenthal, Harold S Bernstein
Biomarkers of heart failure in adults have been extensively studied. However, biomarkers to monitor the progression of heart failure in children with univentricular physiology are less well understood. We proposed that as mediators of diverse pathophysiology, miRNAs contained within circulating microvesicles could serve as biomarkers for the presence and progression of heart failure in univentricular patients. To test this, we studied the association of heart failure with elevations in specific miRNAs isolated from circulating microvesicles in a cohort of children with univentricular heart disease and heart failure...
2017: PloS One
https://www.readbyqxmd.com/read/28846804/overexpression-of-mir-335-5p-promotes-bone-formation-and-regeneration-in-mice
#12
Lan Zhang, Yin Tang, Xiaofang Zhu, Tianchi Tu, Lei Sui, Qianqian Han, Liming Yu, Shu Meng, Leilei Zheng, Paloma Valverde, Jean Tang, Dana Murray, Xuedong Zhou, Hicham Drissi, Michel M Dard, Qisheng Tu, Jake Chen
MicroRNAs (miRNAs) and the Wnt signaling pathway play critical roles in regulating bone development and homeostasis. Our previous study revealed high expression of miR-335-5p in osteoblasts and hypertrophic chondrocytes in mouse embryos and the ability of miR-335-5p to promote osteogenic differentiation by downregulating Wnt antagonist Dickkopf-1 (DKK1). The purpose of this study was to investigate the effects of miR-335-5p constitutive overexpression on bone formation and regeneration in vivo. To that end, we generated a transgenic mouse line specifically overexpressing miR-335-5p in osteoblasts lineage by the osterix promoter and characterized its bone phenotype...
July 29, 2017: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/28835756/quality-evaluation-of-human-bone-marrow-mesenchymal-stem-cells-for-cartilage-repair
#13
Katsunori Shiraishi, Naosuke Kamei, Shunsuke Takeuchi, Shinobu Yanada, Hisashi Mera, Shigeyuki Wakitani, Nobuo Adachi, Mitsuo Ochi
Quality evaluation of mesenchymal stem cells (MSCs) based on efficacy would be helpful for their clinical application. In this study, we aimed to find the factors of human bone marrow MSCs relating to cartilage repair. The expression profiles of humoral factors, messenger RNAs (mRNAs), and microRNAs (miRNAs) were analyzed in human bone marrow MSCs from five different donors. We investigated the correlations of these expression profiles with the capacity of the MSCs for proliferation, chondrogenic differentiation, and cartilage repair in vivo...
2017: Stem Cells International
https://www.readbyqxmd.com/read/28829698/the-pro-%C3%AE-1-v-collagen-gene-col5a1-is-coordinately-regulated-by-mir-29b-with-core-promoter-in-cultured-cells
#14
Juan Juan Zhang, Hiroyuki Yano, Takako Sasaki, Noritaka Matsuo, Hidekatsu Yoshioka
AIMS: Col5a1 encodes the α1 chain of type V collagen, a quantitatively minor fibrillar collagen that is critical for the formation and function of the organs in the body. MicroRNAs (miRNAs) are small noncoding RNAs that post-transcriptionally regulate biological functions by binding to the 3'- untranslated region (3'UTR) of specific target mRNA. In this study, we investigated the post-transcriptional regulation of miRNAs on the Col5a1 gene expression. MATERIALS AND METHODS: We cultured osteoblasts and fibroblasts of cell lines...
August 22, 2017: Connective Tissue Research
https://www.readbyqxmd.com/read/28810613/mir-127-5p-promotes-chondrogenic-differentiation-in-rat-bone-marrow-mesenchymal-stem-cells
#15
Zhaolong Xue, Yanli Meng, Jianhua Ge
The effect and related mechanisms of miR-127-5p on the cartilage differentiation of rat bone marrow mesenchymal stem cells (BMSCs) was investigated. Rat BMSCs were generated and transfected with miR-127-5p, RT-PCR and Safranin O staining were used to detect the effect of miR-127-5p on the cartilage differentiation of rat BMSCs. Western blot analysis was used to detect the related mechanisms of miR-127-5p on the cartilage differentiation of rat BMSCs. Genes related to cartilage differentiation such as Sox9, collagen II and aggrecan were significantly increased in the group which were transfected with miR-127-5p, while collagen X, which was related to cartilage hypertrophy, was decreased in the miR-127-5p transfected group...
August 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28808676/efficacy-and-safety-of-doubly-regulated-vaccinia-virus-in-a-mouse-xenograft-model-of-multiple-myeloma
#16
Muneyoshi Futami, Kota Sato, Kanji Miyazaki, Kenshi Suzuki, Takafumi Nakamura, Arinobu Tojo
Multiple myeloma is a malignancy of plasma cells of the bone marrow. Although the prognosis is variable, no curative therapy has been defined. Vaccinia virus infects cancer cells and kills such cells in a variety of ways. These include direct infection, triggering of immunomediated cell death, and vascular collapse. The potential of the vaccinia virus as an anti-tumor therapy has attracted the attention of oncologists. Interestingly, our preliminary experiments revealed that myeloma cells were particularly susceptible to vaccinia virus...
September 15, 2017: Molecular Therapy Oncolytics
https://www.readbyqxmd.com/read/28800721/microrna-expression-in-bone-marrow-derived-human-multipotent-stromal-cells
#17
Ian H Bellayr, Abhinav Kumar, Raj K Puri
BACKGROUND: Multipotent stromal cells (MSCs) are being studied in the field of regenerative medicine for their multi-lineage differentiation and immunoregulatory capacity. MicroRNAs (miRNAs) are short non-coding RNAs that are responsible for regulating gene expression by targeting transcripts, which can impact MSC functions such as cellular proliferation, differentiation, migration and cell death. miRNAs are expressed in MSCs; however, the impact of miRNAs on cellular functions and donor variability is not well understood...
August 11, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28797104/increased-microrna-93-5p-inhibits-osteogenic-differentiation-by-targeting-bone-morphogenetic-protein-2
#18
Ying Zhang, Qiu-Shi Wei, Wei-Bin Ding, Lei-Lei Zhang, Hui-Chao Wang, Ying-Jie Zhu, Wei He, Yu-Na Chai, You-Wen Liu
BACKGROUND AND PURPOSE: Trauma-induced osteonecrosis of the femoral head (TIONFH) is a major complication of femoral neck fractures. Degeneration and necrosis of subchondral bone can cause collapse, which results in hip joint dysfunction in patients. The destruction of bone metabolism homeostasis is an important factor for osteonecrosis. MicroRNAs (miRNAs) have an important role in regulating osteogenic differentiation, but the mechanisms underlying abnormal bone metabolism of TIONFH are poorly understood...
2017: PloS One
https://www.readbyqxmd.com/read/28795526/coupling-factors-and-exosomal-packaging-micrornas-involved-in-the-regulation-of-bone-remodelling
#19
Sipin Zhu, Felix Yao, Heng Qiu, Ge Zhang, Huazi Xu, Jiake Xu
Bone remodelling is a continuous process by which bone resorption by osteoclasts is followed by bone formation by osteoblasts to maintain skeletal homeostasis. These two forces must be tightly coordinated not only quantitatively, but also in time and space, and its malfunction leads to diseases such as osteoporosis. Recent research focusing on the cross-talk and coupling mechanisms associated with the sequential recruitment of osteoblasts to areas where osteoclasts have removed bone matrix have identified a number of osteogenic factors produced by the osteoclasts themselves...
August 10, 2017: Biological Reviews of the Cambridge Philosophical Society
https://www.readbyqxmd.com/read/28767056/mechanosensitive-mirnas-and-bone-formation
#20
REVIEW
Zhihao Chen, Yan Zhang, Chao Liang, Lei Chen, Ge Zhang, Airong Qian
Mechanical stimuli are required for the maintenance of skeletal integrity and bone mass. An increasing amount of evidence indicates that multiple regulators (e.g., hormone, cytoskeleton proteins and signaling pathways) are involved in the mechanical stimuli modulating the activities of osteogenic cells and the process of bone formation. Significantly, recent studies have showed that several microRNAs (miRNAs) were sensitive to various mechanical stimuli and played a crucial role in osteogenic differentiation and bone formation...
August 2, 2017: International Journal of Molecular Sciences
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