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https://www.readbyqxmd.com/read/28339625/cystatin-s-a-candidate-biomarker-for-severity-of-submandibular-gland-involvement-in-sj%C3%A3-gren-s-syndrome
#1
Daniela Martini, Alessia Gallo, Serena Vella, Francesca Sernissi, Antonella Cecchettini, Nicoletta Luciano, Enza Polizzi, Pier Giulio Conaldi, Marta Mosca, Chiara Baldini
Objectives.: Salivary cystatin S is a defence protein mainly produced by submandibular glands and involved in innate oral immunity. This study aimed to verify whether cystatin S was diversely expressed in different disease subsets of primary Sjogren's syndrome (pSS) patients, defined on the basis of salivary flow [unstimulated salivary flow rate (USFR)], minor salivary gland (MSG) focus score and submandibular gland ultrasonography abnormalities. We also evaluated miR-126 and miR-335-5p expression in MSG biopsies to verify whether an aberrant regulation of cystatin S at the glandular level may influence its salivary expression...
February 16, 2017: Rheumatology
https://www.readbyqxmd.com/read/28338072/a-post-weaning-obesogenic-diet-exacerbates-the-detrimental-effects-of-maternal-obesity-on-offspring-insulin-signaling-in-adipose-tissue
#2
Juliana de Almeida Faria, Daniella Duque-Guimarães, Asha A M Carpenter, Elena Loche, Susan E Ozanne
Previous studies have shown that maternal diet-induced obesity leads to increased risk of type 2 diabetes in offspring. The current study investigated if weaning onto an obesogenic diet exaggerated the detrimental effects of maternal diet-induced obesity in adipose tissue. Maternal obesity and offspring obesity led to reduced expression of key insulin signalling proteins, including insulin receptor substrate-1 (IRS-1). The effects of maternal obesity and offspring obesity were, generally, independent and additive...
March 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28322989/role-of-micrornas-in-endocrine-cancer-metastasis
#3
Cilene Rebouças Lima, Cibele Crastequini Gomes, Marinilce Fagundes Santos
The deregulation of transcription and processing of microRNAs (miRNAs), as well as their function, has been involved in the pathogenesis of several human diseases, including cancer. Despite advances in therapeutic approaches, cancer still represents one of the major health problems worldwide. Cancer metastasis is an aggravating factor in tumor progression, related to increased treatment complexity and a worse prognosis. After more than one decade of extensive studies of miRNAs, the fundamental role of these molecules in cancer progression and metastasis is beginning to be elucidated...
March 18, 2017: Molecular and Cellular Endocrinology
https://www.readbyqxmd.com/read/28321148/circulating-mir-132-3p-as-a-candidate-diagnostic-biomarker-for-malignant-mesothelioma
#4
Daniel G Weber, Katarzyna Gawrych, Swaantje Casjens, Alexander Brik, Martin Lehnert, Dirk Taeger, Beate Pesch, Jens Kollmeier, Torsten T Bauer, Georg Johnen, Thomas Brüning
The use of circulating microRNAs as biomarkers has opened new opportunities for diagnosis of cancer because microRNAs exhibit tumor-specific expression profiles. The aim of this study was the identification of circulating microRNAs in human plasma as potential biomarkers for the diagnosis of malignant mesothelioma. For discovery, TaqMan Low Density Array Human MicroRNA Cards were used to analyze 377 microRNAs in plasma samples from 21 mesothelioma patients and 21 asbestos-exposed controls. For verification, individual TaqMan microRNA assays were used for quantitative real-time PCR in plasma samples from 22 mesothelioma patients and 44 asbestos-exposed controls...
2017: Disease Markers
https://www.readbyqxmd.com/read/28302479/mir-126-impairs-the-intestinal-barrier-function-via-inhibiting-s1pr2-mediated-activation-of-pi3k-akt-signaling-pathway
#5
Tanzhou Chen, Haibo Xue, Ruoyang Lin, Zhiming Huang
BACKGROUND: Aberrant expression of miRNAs was a critical element in the pathogenesis of inflammatory bowel disease (IBD). This study aimed to explore the involvement and mechanism of miR-126 in IBD. METHODS: In this study, the endogenous expressions of miR-126, S1PR2 and S1P in the pathological tissues of patients with IBD were detected using qRT-PCR and western blot assay, respectively. The luciferase reporter gene assay was performed to confirm the targeting regulatory relation between miR-126 and S1PR2...
March 13, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28299881/the-regulation-of-tumor-suppressive-microrna-mir-126-in%C3%A2-chronic-lymphocytic-leukemia
#6
Daphne Guinn, Amy Lehman, Catherine Fabian, Lianbo Yu, Kami Maddocks, Leslie A Andritsos, Jeffrey A Jones, Joseph M Flynn, Samantha M Jaglowski, Jennifer A Woyach, John C Byrd, Amy J Johnson
The introduction of miR profiling of chronic lymphocytic leukemia (CLL) patients with different cytogenetic profiles and responses to therapy has allowed incorporation of important miR-mRNA interactions into the understanding of disease biology. In this study, we performed miR expression analysis using NanoString nCounter to discover differentially regulated miRs after therapy with the Bruton tyrosine kinase inhibitor ibrutinib. Of the differentially regulated miRs in the discovery set, miR-29c and miR-126 were confirmed using real-time PCR to be upregulated in CLL patient cells with ibrutinib therapy...
March 15, 2017: Cancer Medicine
https://www.readbyqxmd.com/read/28298297/angiogenic-mechanisms-of-human-cd34-stem-cell-exosomes-in-the-repair-of-ischemic-hindlimb
#7
Prabhu Mathiyalagan, Yaxuan Liang, David Kim, Sol Misener, Tina Thorne, Christine Kamide, Ekaterina Klyachko, Douglas W Losordo, Roger J Hajjar, Susmita Sahoo
Rationale: Paracrine secretions appear to mediate therapeutic effects of human CD34(+) stem cells locally transplanted in patients with myocardial and critical limb ischemia as well as in animal models. Earlier, we had discovered that paracrine secretion from human CD34(+) cells contains pro-angiogenic, membrane-bound nano-vesicles called exosomes (CD34Exo). Objective: Here, we investigated the mechanisms of CD34Exo-mediated ischemic tissue repair and therapeutic angiogenesis by studying their miRNA content and uptake...
March 15, 2017: Circulation Research
https://www.readbyqxmd.com/read/28297576/chitosan-wound-dressings-incorporating-exosomes-derived-from-microrna-126-overexpressing-synovium-mesenchymal-stem-cells-provide-sustained-release-of-exosomes-and-heal-full-thickness-skin-defects-in-a-diabetic-rat-model
#8
Shi-Cong Tao, Shang-Chun Guo, Min Li, Qin-Fei Ke, Ya-Ping Guo, Chang-Qing Zhang
There is a need to find better strategies to promote wound healing, especially of chronic wounds, which remain a challenge. We found that synovium mesenchymal stem cells (SMSCs) have the ability to strongly promote cell proliferation of fibroblasts; however, they are ineffective at promoting angiogenesis. Using gene overexpression technology, we overexpressed microRNA-126-3p (miR-126-3p) and transferred the angiogenic ability of endothelial progenitor cells to SMSCs, promoting angiogenesis. We tested a therapeutic strategy involving controlled-release exosomes derived from miR-126-3p-overexpressing SMSCs combined with chitosan...
March 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/28289824/a-mirna-signature-for-an-environmental-heterocyclic-amine-defined-by-a-multi-organ-carcinogenicity-bioassay-in-the-rat
#9
Ying-Shiuan Chen, Rong Wang, Wan-Mohaiza Dashwood, Christiane V Löhr, David E Williams, Emily Ho, Susanne Mertens-Talcott, Roderick H Dashwood
Heterocyclic amines (HCAs) produced during high-temperature cooking have been studied extensively in terms of their genotoxic/genetic effects, but recent work has implicated epigenetic mechanisms involving non-coding RNAs. Colon tumors induced in the rat by 2-amino-1-methyl-6-phenylimidazo[4,5-b]pyridine (PhIP) have altered microRNA (miRNA) signatures linked to dysregulated pluripotency factors, such as c-Myc and Krüppel-like factor 4 (KLF4). We tested the hypothesis that dysregulated miRNAs from PhIP-induced colon tumors would provide a "PhIP signature" for use in other target organs obtained from a 1-year carcinogenicity bioassay in the rat...
March 13, 2017: Archives of Toxicology
https://www.readbyqxmd.com/read/28283778/plk1-associated-micrornas-are-correlated-with-pediatric-medulloblastoma-prognosis
#10
Julia Alejandra Pezuk, María Sol Brassesco, Ricardo Santos de Oliveira, Hélio Rubens Machado, Luciano Neder, Carlos Alberto Scrideli, Luiz Gonzaga Tone
PURPOSE: Medulloblastoma (MB) is the most common malignant tumor of the central nervous system (CNS) in children. Despite its relative good survival rates, treatment can cause long time sequels and may impair patients' lifespan and quality, making the search for new treatment options still necessary. Polo like kinases (PLKs) constitute a five-member serine/threonine kinases family (PLK 1-5) that regulates different stages during cell cycle. Abnormal PLKs expression has been observed in several cancer types, including MB...
March 10, 2017: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/28282445/endothelial-cell-tropism-is-a-determinant-of-h5n1-pathogenesis-in-mammalian-species
#11
Smanla Tundup, Matheswaran Kandasamy, Jasmine T Perez, Nacho Mena, John Steel, Tamas Nagy, Randy A Albrecht, Balaji Manicassamy
The cellular and molecular mechanisms underpinning the unusually high virulence of highly pathogenic avian influenza H5N1 viruses in mammalian species remains unknown. Here, we investigated if the cell tropism of H5N1 virus is a determinant of enhanced virulence in mammalian species. We engineered H5N1 viruses with restricted cell tropism through the exploitation of cell type-specific microRNA expression by incorporating microRNA target sites into the viral genome. Restriction of H5N1 replication in endothelial cells via miR-126 ameliorated disease symptoms, prevented systemic viral spread and limited mortality, despite showing similar levels of peak viral replication in the lungs as compared to control virus-infected mice...
March 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28277133/mir-126-rs4636297-and-tgf%C3%AE-ri-rs334348-functional-gene-variants-are-associated-with-susceptibility-to-endometriosis-and-its-severity
#12
Neda Sepahi, Leila Kohan, Athar Rasekh Jahromi, Yahya Daneshbod, Elahe Nimi Hoveidi
microRNAs (miRNAs) are negative regulators in a variety of cellular processes that occur in endometriosis. Therefore, functional polymorphisms in miRNA and miRNA binding sites may affect gene expression and contribute to susceptibility of endometriosis. In this study, we evaluated the association of two miRNA related polymorphisms, mir-126 rs4636297 and TGFβRI rs334348, with endometriosis risk and its severity. This case-control study was done on 157 endometriosis patients and 252 healthy women as a control group...
February 21, 2017: Gynecological Endocrinology
https://www.readbyqxmd.com/read/28260063/adam9-functions-as-a-promoter-of-gastric-cancer-growth-which-is-negatively-and-post-transcriptionally-regulated-by-mir-126
#13
Junqing Wang, Yunyun Zhou, Xiaochun Fei, Xuehua Chen, Jiqi Yan, Bingya Liu, Zhenggang Zhu
A disintegrin and metalloproteinase domain 9 (ADAM9) is a membrane-anchored protein implicated in cell-cell and cell-matrix interactions, including the process of tumorigenesis. However, the role of ADAM9 in gastric cancer (GC) has not been clearly illustrated. In the present study, we found aberrant overexpression of ADAM9 in both GC tissues and cell lines. The expression of ADAM9 was significantly correlated with patient clinicopathological features including tumor size, local invasion, lymph node metastasis and tumor‑node‑metastasis (TNM) stage...
February 16, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28257806/pseudohypoxia-induced-by-mir-126-deactivation-promotes-migration-and-therapeutic-resistance-in-renal-cell-carcinoma
#14
Weijun Liu, Hanxiang Chen, Nathan Wong, Wesley Haynes, Callie M Baker, Xiaowei Wang
Pseudohypoxia plays a central role in the progression and therapeutic resistance of clear cell renal cell carcinoma (ccRCC); however, the underlying mechanisms are poorly understood. MicroRNA miR-126 has decreased expression in metastatic or relapsed ccRCC as compared to primary tumors, but the mechanisms by which miR-126 is implicated in RCC remain unknown. Through RNA-seq profiling to evaluate the impact of overexpression or CRISPR knockout of miR-126, we have identified SERPINE1 as a miR-126-5p target regulating cell motility, and SLC7A5 as a miR-126-3p target regulating the mTOR/HIF pathway...
February 28, 2017: Cancer Letters
https://www.readbyqxmd.com/read/28253725/predicative-values-of-serum-microrna-22-and-microrna-126-levels-for-non-small-cell-lung-cancer-development-and-metastasis-a-case-control-study
#15
A Q Shang, Y N Xie, J Wang, L Sun, J Wei, W Y Lu, J Y Lan, W W Wang, L Wang, L L Wang
Presented study aims to explore the predictive values of serum microRNA-22 (miR-22) and miR-126 levels for non-small cell lung cancer (NSCLC) development and metastasis.A total of 127 NSCLC patients who were admitted in the First People's Hospital of Yancheng City from May, 2013 to May, 2015 were selected as the case group, including 71 cases of adenocarcinoma and 56 cases of squamous cell carcinoma. There were 112 healthy individuals selected as the control group. The qRT-PCR was performed to testify the serum miR-22 and miR-126 levels...
March 3, 2017: Neoplasma
https://www.readbyqxmd.com/read/28253326/prevention-of-neointimal-formation-using-mirna-126-containing-nanoparticle-conjugated-stents-in-a-rabbit-model
#16
Masayasu Izuhara, Yasuhide Kuwabara, Naritatsu Saito, Erika Yamamoto, Daihiko Hakuno, Yasuhiro Nakashima, Takahiro Horie, Osamu Baba, Masataka Nishiga, Tetsushi Nakao, Tomohiro Nishino, Fumiko Nakazeki, Yuya Ide, Masahiro Kimura, Takeshi Kimura, Koh Ono
BACKGROUND: Despite recent progress with drug-eluting stents, restenosis and thrombosis after endovascular intervention are still major limitations in the treatment of cardiovascular diseases. These problems are possibly caused by inappropriate inhibition of neointimal formation and retardation of re-endothelialization on the surface of the stents. miR-126 has been shown to have the potential to enhance vascular endothelial cell proliferation. METHODS AND RESULTS: We designed and constructed a 27-nt double strand RNA (dsRNA) conjugated to cholesterol, which has high membrane permeability, and formed mature miR-126 after transfection...
2017: PloS One
https://www.readbyqxmd.com/read/28251902/evolutionarily-conserved-serum-micrornas-predict-radiation-induced-fatality-in-nonhuman-primates
#17
Wojciech Fendler, Beata Malachowska, Khyati Meghani, Panagiotis A Konstantinopoulos, Chandan Guha, Vijay K Singh, Dipanjan Chowdhury
Effective planning for the medical response to a radiological or nuclear accident is complex. Because of limited resources for medical countermeasures, the key would be to accurately triage and identify victims most likely to benefit from treatment. We used a mouse model system to provide evidence that serum microRNAs (miRNAs) may effectively predict the impact of radiation on the long-term viability of animals. We had previously used nonhuman primates (NHPs) to demonstrate that this concept is conserved and serum miRNA signatures have the potential to serve as prediction biomarkers for radiation-induced fatality in a human population...
March 1, 2017: Science Translational Medicine
https://www.readbyqxmd.com/read/28250134/mir-126-5p-enhances-the-inflammatory-responses-of-monocytes-to-lps-stimulation-by-suppressing-cyld-in-chronic-hiv-1-infection
#18
Jun Huang, Lingyan Zhu, Chao Qiu, Xuan Xu, Linxia Zhang, Xiangqing Ding, Qibin Liao, Jianqing Xu, Xiaoyan Zhang
Persistent immune activation during chronic human immunodeficiency virus-1 (HIV-1) infection facilitates immune dysfunction and thereby fuels disease progression. The translocation of bacterial derivatives into blood and the hyper-inflammatory responsiveness of monocytes have been considered important causative factors for persistent immune activation. Whether microRNAs (miRNAs) involve in regulating monocyte-mediated inflammatory responses during chronic HIV-1 infection remains elusive. In this study, we show that miR-126-5p functions as a positive regulator of monocyte-mediated inflammatory responses...
March 1, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28238240/altered-plasma-microrna-expression-in-patients-with-mitral-chordae-tendineae-rupture
#19
Mehmet Bulent Vatan, Aysel Kalaycı Yigin, Ramazan Akdemir, Mustafa Tarik Agac, Mehmet Akif Cakar, Murat Aksoy, Ersan Tatli, Harun Kilic, Huseyin Gunduz, Derya Guzel, Keziban Karacan
BACKGROUND: Mitral chordae tendineae rupture (MCTR) is a progressive disorder which leads to severe mitral regurgitation. Despite its importance, the precise pathogenetic mechanism of MCTR remains unclear. The study aim was to investigate the expression profile of circulating microRNAs (miRNAs) as being potentially involved in the development of MCTR. METHODS: Twenty-one patients with 'primary' MCTR, and 30 age- and gender-matched controls, were enrolled in the study...
September 2016: Journal of Heart Valve Disease
https://www.readbyqxmd.com/read/28235973/endothelin-signaling-regulates-mineralization-and-posttranscriptionally-regulates-sost-in-tmob-cells-via-mir-126-3p
#20
Michael G Johnson, Kathryn Konicke, Jasmin Kristianto, Anne Gustavson, Rachel Garbo, Xiaohu Wang, Baozhi Yuan, Robert D Blank
Previously, our laboratory identified ECE-1, encoding endothelin-converting enzyme-1 (ECE-1), as a positional candidate for a pleiotropic quantitative trait locus affecting femoral size, shape, and biomechanical performance. We hypothesized that endothelin-1 (ET-1) signaling promotes osteogenesis. Exposure of immortalized mouse osteoblast (TMOb) cells to big ET-1 increased mineralization. Following big ET-1 treatment, we measured the secretion of insulin-like-growth factor-1 (IGF1), dickkopf-homolog-1 protein 1 (DKK1), and sclerostin (SOST)...
February 2017: Physiological Reports
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