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https://www.readbyqxmd.com/read/29746958/hippocampal-microrna-mrna-regulatory-network-is-affected-by-physical-exercise
#1
Jansen Fernandes, Andre Schwambach Vieira, Juliana Carlota Kramer-Soares, Eduardo Alves Da Silva, Kil Sun Lee, Iscia Lopes-Cendes, Ricardo Mario Arida
BACKGROUND: It is widely known that physical activity positively affects the overall health and brain function. Recently, microRNAs (miRNAs) have emerged as potential regulators of numerous biological processes within the brain. These molecules modulate gene expression post-transcriptionally by inducing mRNA degradation and inhibiting the translation of target mRNAs. METHODS: To verify whether the procognitive effects of physical exercise are accompanied by changes in the activity of miRNA-mRNA network in the brain, differential expression analysis was performed in the hippocampus of control (CTL) and exercised (Ex) rats subjected to 4 weeks of treadmill exercise...
May 7, 2018: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/29706427/effect-of-acute-stressors-adrenocorticotropic-hormone-administration-and-cortisol-release-on-milk-yield-the-expression-of-key-genes-proliferation-and-apoptosis-in-goat-mammary-epithelial-cells
#2
G F Bomfim, G K F Merighe, S A de Oliveira, J A Negrao
Cortisol is essential to milk synthesis; however, different acute stressors and the exogenous administration of adrenocorticotropic hormone (ACTH) decrease milk yield. Therefore, the effect of cortisol on milk yield and its influence on the survival of mammary epithelial cells have not been fully elucidated. In this context, the objective of this study was to evaluate the effect of cortisol on the expression of growth hormone receptor (GHR), insulin-like growth factor type 1 (IGF1), insulin-like growth factor type 1 receptor (IGF1R), insulin-like growth factor-binding protein 3 and 5 (IGFBP3 and IGFBP5), BAX, and BCL2 genes on the proliferation and apoptotic rates of mammary epithelial cells, and on milk yield in Saanen goats...
April 26, 2018: Journal of Dairy Science
https://www.readbyqxmd.com/read/29581736/mir-143-3p-regulates-cell-proliferation-and-apoptosis-by-targeting-igf1r-and-igfbp5-and-regulating-the-ras-p38-mapk-signaling-pathway-in-rheumatoid-arthritis
#3
Zhenguo Yang, Jifu Wang, Zhuangzhuang Pan, Yihang Zhang
It has been demonstrated that the deregulation of microRNAs (miRNAs) affects the development of rheumatoid arthritis (RA). The primary objective of the current study was to determine the role of miR-143-3p in the progression of RA. The expression of miR-143-3p in synovium taken from patients with RA was assessed by reverse transcription-quantitative polymerase chain reaction. The expression of miR-143-3p was higher in synovium tissues of RA than that of osteoarthritis (OA). The decreased expression of miR-143-3p suppressed cell proliferation and promoted apoptosis in vitro ...
April 2018: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29547667/comparison-of-secretome-from-osteoblasts-derived-from-sclerotic-versus-non-sclerotic-subchondral-bone-in-oa-a-pilot-study
#4
Christelle Sanchez, Gabriel Mazzucchelli, Cécile Lambert, Fanny Comblain, Edwin DePauw, Yves Henrotin
OBJECTIVE: Osteoarthritis (OA) is characterized by cartilage degradation but also by other joint tissues modifications like subchondral bone sclerosis. In this study, we used a proteomic approach to compare secretome of osteoblast isolated from sclerotic (SC) or non sclerotic (NSC) area of OA subchondral bone. DESIGN: Secretome was analyzed using differential quantitative and relative label free analysis on nanoUPLC G2 HDMS system. mRNA of the more differentially secreted proteins were quantified by RT-PCR in cell culture from 5 other patients...
2018: PloS One
https://www.readbyqxmd.com/read/29518347/dietary-genistein-supplementation-in-laying-broiler-breeder-hens-alters-the-development-and-metabolism-of-offspring-embryos-as-revealed-by-hepatic-transcriptome-analysis
#5
Zengpeng Lv, Hao Fan, Beibei Zhang, Chao Ning, Kun Xing, Yuming Guo
Genistein (GEN) is a type of isoflavone mainly derived from soy products. In this experiment, we added 40 and 400 mg/kg GEN to the diet of laying broiler breeder hens to clarify the maternal effects of GEN on the development and metabolism of chick embryos. GEN treatment at 40 mg/kg increased embryonic length, weight, and liver index, as well as the width of the proliferative zone in the tibial growth plate of chick embryos. Gene ontology (GO) cluster analysis of the hepatic transcriptome showed that GEN treatment promoted embryonic development and cell proliferation...
March 8, 2018: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/29428674/genes-and-pathways-regulated-by-androgens-in-human-neural-cells-potential-candidates-for-the-male-excess-in-autism-spectrum-disorder
#6
Angélique Quartier, Laure Chatrousse, Claire Redin, Céline Keime, Nicolas Haumesser, Anne Maglott-Roth, Laurent Brino, Stéphanie Le Gras, Alexandra Benchoua, Jean-Louis Mandel, Amélie Piton
BACKGROUND: Prenatal exposure to androgens during brain development in male individuals may participate to increase their susceptibility to develop neurodevelopmental disorders such as autism spectrum disorder (ASD) and intellectual disability. However, little is known about the action of androgens in human neural cells. METHODS: We used human neural stem cells differentiated from embryonic stem cells to investigate targets of androgens. RESULTS: RNA sequencing revealed that treatment with dihydrotestosterone (DHT) leads to subtle but significant changes in the expression of about 200 genes, encoding proteins of extracellular matrix or involved in signal transduction of growth factors (e...
January 9, 2018: Biological Psychiatry
https://www.readbyqxmd.com/read/29385456/dietary-supplements-during-the-cold-season-increase-rumen-microbial-abundance-and-improve-rumen-epithelium-development-in-tibetan-sheep
#7
Xiao Ping Jing, Quan Hui Peng, Rui Hu, Hua Wei Zou, Hong Ze Wang, Xiao Qiang Yu, Jian Wei Zhou, Allan Degen, Zhi Sheng Wang
Livestock on the Qinghai-Tibetan Plateau are faced with extreme harsh winters and are often in negative energy balance during this period. Dietary supplementation can improve growth performance of Tibetan sheep and, consequently, we hypothesized that it would also increase microbial abundance and rumen epithelium development. To test this hypothesis, we examined the effect of feed supplementation during the cold season on rumen microbes, fermentation, epithelium development, and absorptive capability in Tibetan sheep...
February 15, 2018: Journal of Animal Science
https://www.readbyqxmd.com/read/29343084/the-correlation-analysis-of-mirnas-and-target-genes-in-metastasis-of-cervical-squamous-cell-carcinoma
#8
Jing Zhou, Xia Liu, Changhe Wang, Changzhong Li
AIM: This study was intended to identify the metastasis-related miRNAs and target genes in cervical squamous cell carcinoma. MATERIALS & METHODS: The mRNA and miRNA next-generation sequencing data were downloaded. Differential expression analysis was carried out, followed by target gene prediction of differentially expressed miRNAs. The biological function of differentially expressed genes was performed. Validation was carried out by survival analysis and qRT-PCR...
January 18, 2018: Epigenomics
https://www.readbyqxmd.com/read/29187894/material-induced-senescence-mis-fluidity-induces-senescent-type-cell-death-of-lung-cancer-cells-via-insulin-like-growth-factor-binding-protein-5
#9
Sharmy Saimon Mano, Koichiro Uto, Mitsuhiro Ebara
Objective: We propose here material-induced senescence (MIS) as a new therapeutic concept that limits cancer progression by stable cell cycle arrest. This study examined for the first time the effect of material fluidity on cellular senescence in lung carcinoma using poly(ε-caprolactone- co -D, L-lactide) (P(CL- co -DLLA)) with tunable elasticity and fluidity. Methods: The fluidity was varied by chemically crosslinking the polymer networks: the crosslinked P(CL- co -DLLA) shows solid-like properties with a stiffness of 260 kPa, while the non-crosslinked polymer exists in a quasi-liquid state with loss and storage moduli of 33 kPa and 11 kPa, respectively...
2017: Theranostics
https://www.readbyqxmd.com/read/29186842/cfa-mir-143-promotes-apoptosis-via-the-p53-pathway-in-canine-influenza-virus-h3n2-infected-cells
#10
Pei Zhou, Liqing Tu, Xi Lin, Xiangqi Hao, Qingxu Zheng, Weijie Zeng, Xin Zhang, Yun Zheng, Lifang Wang, Shoujun Li
MicroRNAs regulate multiple aspects of the host response to viral infection. This study verified that the expression of cfa-miR-143 was upregulated in vivo and in vitro by canine influenza virus (CIV) H3N2 infection. To understand the role of cfa-miR-143 in CIV-infected cells, the target gene of cfa-miR-143 was identified and assessed for correlations with proteins involved in the apoptosis pathway. A dual luciferase reporter assay showed that cfa-miR-143 targets insulin-like growth factor binding protein 5 (Igfbp5)...
November 25, 2017: Viruses
https://www.readbyqxmd.com/read/29028222/role-of-rbp2-induced-er-and-igf1r-erbb-signaling-in-tamoxifen-resistance-in-breast-cancer
#11
Hee-Joo Choi, Hyeong-Seok Joo, Hee-Young Won, Kyueng-Whan Min, Hyung-Yong Kim, Taekwon Son, Young-Ha Oh, Jeong-Yeon Lee, Gu Kong
Background: Despite the benefit of endocrine therapy, acquired resistance during or after treatment still remains a major challenge in estrogen receptor (ER)-positive breast cancer. We investigated the potential role of histone demethylase retinoblastoma-binding protein 2 (RBP2) in endocrine therapy resistance of breast cancer. Methods: Survival of breast cancer patients according to RBP2 expression was analyzed in three different breast cancer cohorts including METABRIC (n = 1980) and KM plotter (n = 1764)...
April 1, 2018: Journal of the National Cancer Institute
https://www.readbyqxmd.com/read/28964519/inhibiting-prolactin-by-cabergoline-accelerates-mammary-gland-remodeling-during-the-early-dry-period-in-dairy-cows
#12
M Boutinaud, N Isaka, E Gandemer, P Lamberton, S Wiart, A I De Prado Taranilla, L M Sordillo, V Lollivier
The inhibition of prolactin release using cabergoline, a dopamine agonist, is an effective strategy to accelerate the changes in mammary secretion composition after drying-off. The objective of this study was to determine how cabergoline may affect mammary tissue remodeling during early involution. Holstein dairy cows were treated with either a single i.m. administration of 5.6 mg of cabergoline (Velactis, Ceva Santé Animale, Libourne, France, n = 7) or placebo (n = 7) at the time of drying-off. Mammary biopsy samples were collected 1 wk before drying-off (d -6), after 30 h of milk accumulation (d 1), and again 8 d following drying-off (d 8) to determine changes in gene expression, lactoferrin content, and cell turnover...
September 27, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28962660/local-application-of-igfbp5-protein-enhanced-periodontal-tissue-regeneration-via-increasing-the-migration-cell-proliferation-and-osteo-dentinogenic-differentiation-of-mesenchymal-stem-cells-in-an-inflammatory-niche
#13
Nannan Han, Fengqiu Zhang, Guoqing Li, Xiuli Zhang, Xiao Lin, Haoqing Yang, Lijun Wang, Yangyang Cao, Juan Du, Zhipeng Fan
BACKGROUND: Periodontitis is a widespread infectious disease ultimately resulting in tooth loss. The number of mesenchymal stem cells (MSCs) in patients with periodontitis is decreased, and MSC functions are impaired. Rescuing the impaired function of MSCs in periodontitis is the key for treatment, especially in a manner independent of exogenous MSCs. Our previous study found that overexpressed insulin-like growth factor binding protein 5 (IGFBP5) could promote exogenous MSC-mediated periodontal tissue regeneration...
September 29, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28939196/molecular-identification-of-an-insulin-growth-factor-binding-protein-igfbp-and-its-potential-role-in-an-insulin-like-peptide-system-of-the-pearl-oyster-pinctada-fucata
#14
Hua Zhang, Yu Shi, Maoxian He
Insulin-like growth factors (IGFs) play critical roles in regulating metabolism, growth, and reproduction in invertebrates. IGF binding proteins (IGFBPs) serve as major regulators of IGF activity and regulate endocrine system. In the present study, the full-length cDNA of an igfbp was identified from the pearl oyster, Pinctada fucata, using expressed sequence tag (EST) sequence. The 1124bp Pfigfbp cDNA contains a 465bp open reading frame (ORF) encoding a putative protein of 154 amino acids, a 5'-untranslated region (UTR) of 238bp, and a 3'-UTR of 394bp (not including polyA+)...
December 2017: Comparative Biochemistry and Physiology. Part B, Biochemistry & Molecular Biology
https://www.readbyqxmd.com/read/28911071/prediction-of-pathological-response-to-neoadjuvant-treatment-in-rectal-cancer-with-a-two-protein-immunohistochemical-score-derived-from-stromal-gene-profiling
#15
S Gonçalves-Ribeiro, R Sanz-Pamplona, A Vidal, X Sanjuan, N Guillen Díaz-Maroto, A Soriano, J Guardiola, N Albert, M Martínez-Villacampa, I López, C Santos, J Serra-Musach, R Salazar, G Capellà, A Villanueva, D G Molleví
Background: Preoperative chemoradiotherapy followed by surgical mesorectal resection is the standard of care for locally advanced rectal carcinomas. Yet, predicting that patients will respond to treatment remains an unmet clinical challenge. Experimental design: Using laser-capture microdissection we isolated RNA from stroma and tumour glands from prospective pre-treatment samples (n = 15). Transcriptomic profiles were obtained hybridising PrimeView Affymetrix arrays...
September 1, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/28882129/igf1r-activation-and-the-in-vitro-antiproliferative-efficacy-of-igf1r-inhibitor-are-inversely-correlated-with-igfbp5-expression-in-bladder-cancer
#16
Yann Neuzillet, Elodie Chapeaublanc, Clémentine Krucker, Leanne De Koning, Thierry Lebret, François Radvanyi, Isabelle Bernard-Pierrot
BACKGROUND: The insulin growth factor (IGF) pathway has been proposed as a potential therapeutic target in bladder cancer. We characterized the expression of components of the IGF pathway - insulin growth factor receptors (INSR, IGF1R, IGF2R), ligands (INS, IGF1, IGF2), and binding proteins (IGFBP1-7, IGF2BP1-3) - in bladder cancer and its correlation with IGF1R activation, and the anti-proliferative efficacy of an IGF1R kinase inhibitor in this setting. METHODS: We analyzed transcriptomic data from two independent bladder cancer datasets, corresponding to 200 tumoral and five normal urothelium samples...
September 7, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28864782/ozone-oil-promotes-wound-healing-by-increasing-the-migration-of-fibroblasts-via-pi3k-akt-mtor-signaling-pathway
#17
Weirong Xiao, Hua Tang, Meng Wu, Yangying Liao, Ke Li, Lan Li, Xiaopeng Xu
Skin injury affects millions of people via the uncontrolled inflammation and infection. Many cellular components including fibroblasts and signaling pathways such as transforming growth factor-β (TGF-β) were activated to facilitate the wound healing to repair injured tissues. C57BL/6 female mice were divided into control and ozone oil treated groups. Excisional wounds were made on the dorsal skin and the fibroblasts were isolated from granulation tissues. The skin injured mouse model revealed that ozone oil could significantly decrease the wound area and accelerate wound healing compared with control group...
December 22, 2017: Bioscience Reports
https://www.readbyqxmd.com/read/28775366/microrna-143-and-145-modulate-the-phenotype-of-synovial-fibroblasts-in-rheumatoid-arthritis
#18
Bong-Ki Hong, Sungyong You, Seung-Ah Yoo, Dohyun Park, Daehee Hwang, Chul-Soo Cho, Wan-Uk Kim
Fibroblast-like synoviocytes (FLSs) constitute a major cell subset of rheumatoid arthritis (RA) synovia. Dysregulation of microRNAs (miRNAs) has been implicated in activation and proliferation of RA-FLSs. However, the functional association of various miRNAs with their targets that are characteristic of the RA-FLS phenotype has not been globally elucidated. In this study, we performed microarray analyses of miRNAs and mRNAs in RA-FLSs and osteoarthritis FLSs (OA-FLSs), simultaneously, to validate how dysregulated miRNAs may be associated with the RA-FLS phenotype...
August 4, 2017: Experimental & Molecular Medicine
https://www.readbyqxmd.com/read/28753406/association-of-established-thyroid-stimulating-hormone-and-free-thyroxine-genetic-variants-with-hashimoto-s-thyroiditis
#19
Luka Brčić, Sanda Gračan, Ana Barić, Ivana Gunjača, Vesela Torlak Lovrić, Ivana Kolčić, Tatijana Zemunik, Ozren Polašek, Maja Barbalić, Ante Punda, Vesna Boraska Perica
Hashimoto's thyroiditis (HT), the most frequent autoimmune thyroid disease (AITD), is characterized by chronic inflammation of the thyroid gland that usually results in hypothyroidism. Thyroid-stimulating hormone (TSH) and free thyroxine (FT4) levels are used as clinical determinants of thyroid function. The main aim of this study was to explore the association of established TSH and FT4 genetic variants with HT. We performed a case-control analysis using 23 genetic markers in 200 HT patients and 304 controls...
August 2017: Immunological Investigations
https://www.readbyqxmd.com/read/28727628/replication-confirms-the-association-of-loci-in-foxe1-pde8b-capzb-and-pde10a-with-thyroid-traits-a-genetics-of-diabetes-audit-and-research-tayside-study-godarts
#20
Enrique Soto-Pedre, Moneeza K Siddiqui, Alex S Doney, Colin N A Palmer, Ewan R Pearson, Graham P Leese
OBJECTIVE: Replication of associations in genome-wide association studies is desirable to ensure that such signals are potentially clinically meaningful. This study aimed to replicate associations of selected single-nucleotide polymorphisms (SNPs) with hypothyroidism and serum thyroid-stimulating hormone (TSH) using electronic medical records (EMRs). PATIENTS AND METHODS: A cross-sectional study was carried out among patients of European Caucasian ethnicity from the Genetics of Diabetes Audit and Research Tayside recruited in Tayside (Scotland, UK)...
October 2017: Pharmacogenetics and Genomics
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