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https://www.readbyqxmd.com/read/29737494/the-effect-of-moderate-weight-loss-with-or-without-1-3-1-6-%C3%AE-glucan-addition-on-subcutaneous-adipose-tissue-inflammatory-gene-expression-in-young-subjects-with-uncomplicated-obesity
#1
Marek Strączkowski, Agnieszka Nikołajuk, Radosław Majewski, Remigiusz Filarski, Magdalena Stefanowicz, Natalia Matulewicz, Monika Karczewska-Kupczewska
PURPOSE: Obesity is characterized by insulin resistance and low-grade systemic and adipose tissue (AT) inflammation. It remains unclear whether beneficial effects of weight loss are related to AT inflammation. We aimed to assess the effect of weight loss during low-calorie diet on insulin sensitivity, AT expression of genes associated with inflammation in young subjects with obesity. Furthermore, we estimated the effects of immunomodulatory (1, 3)(1, 6)-β-glucan (BG) on the above parameters...
May 8, 2018: Endocrine
https://www.readbyqxmd.com/read/29658397/inflammation-coagulation-response-and-thrombotic-effects-induced-by-silica-nanoparticles-in-zebrafish-embryos
#2
Junchao Duan, Shuang Liang, Yang Yu, Yang Li, Lijing Wang, Zehao Wu, Yueyue Chen, Mark R Miller, Zhiwei Sun
Nowadays, nanotechnology environmental health and safety (nanoEHS) is gaining attention. We previously found that silica nanoparticles (SiNPs) could induce vascular endothelial damage. However, the subsequent toxicologic response to SiNPs-induced endothelial damage was still largely unknown. In this study, we explored the inflammation-coagulation response and thrombotic effects of SiNPs in endothelial cells and zebrafish embryos. For in vitro study, swollen mitochondria and autophagosome were observed in ultrastructural analysis...
April 14, 2018: Nanotoxicology
https://www.readbyqxmd.com/read/29567659/genetic-drivers-of-pancreatic-islet-function
#3
Mark P Keller, Daniel M Gatti, Kathryn L Schueler, Mary E Rabaglia, Donnie S Stapleton, Petr Simecek, Matthew Vincent, Sadie Allen, Aimee Teo Broman, Rhonda Bacher, Christina Kendziorski, Karl W Broman, Brian S Yandell, Gary A Churchill, Alan D Attie
The majority of gene loci that have been associated with type 2 diabetes play a role in pancreatic islet function. To evaluate the role of islet gene expression in the etiology of diabetes, we sensitized a genetically diverse mouse population with a Western diet high in fat (45%-kcal) and sucrose (34%) and carried out genome-wide association mapping of diabetes-related phenotypes. We quantified mRNA abundance in the islets and identified 18,820 expression quantitative trait loci. We applied mediation analysis to identify candidate causal driver genes at loci that affect the abundance of numerous transcripts...
March 22, 2018: Genetics
https://www.readbyqxmd.com/read/29388151/p16-promotes-the-growth-and-mobility-potential-of-breast-cancer-both-in-vitro-and-in-vivo-the-key-role-of-the-activation-of-il-6-jak2-stat3-signaling
#4
Le Wang, Xiangwen Zhan, Xiaomeng Shen, Mingzhe Li, Jianming Yang, Wenhua Yu, Hao Chen, Bo Jin, Zebin Mao
P16 is the product of cyclin-dependent kinase 2 (CDKN2A) gene and plays multi-pronged roles in the cancer progression. Breast cancer (BC) is the most commonly diagnosed cancer type among females. In the current study, the potential function of P16 in the growth and metastasis of BC was investigated. Firstly, the expression statuses of P16 in different cancer types were investigated using Oncomine database and validated with corresponding cancer cell lines. Afterwards, the expression of P16 was knocked down in BC cell line BT-549 and the effect on the cell proliferation, sensitivity to paclitaxel (TAX), apoptosis, migration, and invasion abilities was assessed using CCK-8, Edu, flow cytometry, scratch, and transwell assays, respectively...
January 31, 2018: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/29247827/sec-induced-activation-of-anxa7-gtpase-suppresses-prostate-cancer-metastasis
#5
ShuYan Liu, Xiao Li, ZhaoMin Lin, Le Su, Shan Yan, BaoXiang Zhao, JunYing Miao
Annexin A7 (ANXA7) is a suppressor of tumorigenesis and metastasis in prostate cancer. Activated ANXA7 GTPase promotes prostate cancer cell apoptosis. However, the role and underlying mechanism of ANXA7 GTPase in prostate cancer metastasis have not been established. RKIP is a metastatic suppressor and downregulated in prostate cancer metastases. The binding of RKIP and its target proteins could inhibit the activation of its interactive partners. However, the effect of RKIP on ANXA7 GTPase activation is not clear...
March 1, 2018: Cancer Letters
https://www.readbyqxmd.com/read/29172719/t-cell-receptor-mediated-characteristic-signaling-pathway-of-peripheral-blood-t-cells-in-dermatomyositis-and-polymyositis
#6
Yasuhiro Shimojima, Masayuki Matsuda, Wataru Ishii, Dai Kishida, Yoshiki Sekijima
The characteristics of T cell expression in peripheral blood have been previously described in dermatomyositis (DM) and polymyositis (PM); however, their intracellular signaling profiles remain unknown. The purpose of this study was to investigate the T-cell receptor (TCR)-mediated intracellular signaling in peripheral blood T cells in DM and PM. Peripheral blood T cells from 86 patients with DM (n = 57) and PM (n = 29) were used for experimental investigations. T-cell subtypes and TCR-induced phosphorylated zeta-chain-associated protein kinase 70 (pZAP70) were analyzed by flow cytometry...
December 2017: Autoimmunity
https://www.readbyqxmd.com/read/29158285/neoadjuvant-palbociclib-on-er-breast-cancer-n007-clinical-response-and-endopredict-s-value
#7
Louis W C Chow, Satoshi Morita, Christopher Y C Chow, Wai-Kuen Ng, Masakazu Toi
The purpose of the study was to test the efficacy of neoadjuvant palbociclib therapy and to evaluate its impact on cell cycle arrest and changes in EndoPredict (EP) scores before and after treatment. Postmenopausal women with histologically proven ER+ve, HER2-ve invasive breast cancer, 2 cm or greater, were enrolled in an open-label, single-arm study. Twenty eligible patients were given letrozole 2.5 mg per day together with palbociclib 125 mg per day for 3 out of 4 weeks in repeated cycles for 16 weeks (4 cycles) before surgery...
February 2018: Endocrine-related Cancer
https://www.readbyqxmd.com/read/28969006/the-molecular-characterization-of-porcine-egg-precursor-cells
#8
Te-Sha Tsai, Jacqueline Johnson, Yvonne White, Justin C John
Female-factor infertility can be caused by poor oocyte quality and depleted ovarian reserves. Egg precursor cells (EPCs), isolated from the ovarian cortex, have the potential to be used to overcome female infertility. We aimed to define the origins of EPCs by analyzing their gene expression profiles and mtDNA content using a mini-pig model. We characterized FAC-sorted DDX4(+)-derived porcine EPCs by performing RNA-sequencing and determined that they utilize pathways important for cell cycle and proliferation, which supports the existence of adult mitotically active oogonial cells...
September 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/28964648/association-of-il6st-gp130-polymorphism-with-functional-outcome-following-spontaneous-intracerebral-hemorrhage
#9
Nada El Husseini, Benjamin M Hoffman, Ellen R Bennett, Yen-Wei Li, Rachel A Williamson Taylor, Claire E Hailey, Kara Richardson, Yi-Ju Li, Daniel T Laskowitz, Michael L James
BACKGROUND AND PURPOSE: Genes associated with the inflammatory response and cytostructural integrity may influence recovery following a brain injury. To examine this in the setting of spontaneous intracerebral hemorrhage (ICH), selected single nucleotide polymorphisms (SNPs) were assessed for associations with patient outcome. METHODS: A cohort of 54 patients with supratentorial ICH were enrolled. Based on known involvement with neuroinflammation and cytostructural integrity, 10 preselected SNPs from 6 candidate genes were tested for associations with 6-month functional outcome (modified Rankin Scale [mRS] ≥ 3), mortality, and in-hospital deterioration (Glasgow Coma Scale decrease by >2 within 7 days of admission) following ICH...
January 2018: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28889016/the-effect-of-melatonin-from-slow-release-implants-on-basic-and-tlr-4-mediated-gene-expression-of-inflammatory-cytokines-and-their-receptors-in-the-choroid-plexus-in-ewes
#10
M Kowalewska, A P Herman, A Szczepkowska, J Skipor
The present study concerns the effect of melatonin from slow-release implants on the expression of genes coding interleukin-1β (Il1B), inerleukin-6 (Il6), tumour necrosis factor α (Tnf) and their receptors: IL-1 receptor type I (Il1r1) and type II (Il1r2), IL-6 receptor (Il6r) and signal transducer (Il6st), TNFα receptor type I (Tnfrsf1a) and II (Tnfrsf1b) and retinoid-related orphan receptor α (RorA) and Rev.-erbα in the ovine choroid plexus (CP) under basal and lipopolysaccharide (LPS)-challenged conditions...
September 5, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28871224/nfix-as-a-master-regulator-for-lung-cancer-progression
#11
Nor I A Rahman, Nor A Abdul Murad, Mohammad M Mollah, Rahman Jamal, Roslan Harun
About 40% of lung cancer cases globally are diagnosed at the advanced stage. Lung cancer has a high mortality and overall survival in stage I disease is only 70%. This study was aimed at finding a candidate of transcription regulator that initiates the mechanism for metastasis by integrating computational and functional studies. The genes involved in lung cancer were retrieved using in silico software. 10 kb promoter sequences upstream were scanned for the master regulator. Transient transfection of shRNA NFIXs were conducted against A549 and NCI-H1299 cell lines...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28846693/pbrm1-regulates-proliferation-and-the-cell-cycle-in-renal-cell-carcinoma-through-a-chemokine-chemokine-receptor-interaction-pathway
#12
HongKai Wang, YuanYuan Qu, Bo Dai, Yao Zhu, GuoHai Shi, YiPing Zhu, YiJun Shen, HaiLiang Zhang, DingWei Ye
PBRM1 is a novel tumor suppressor gene that can inhibit cancer cell proliferation and predict the outcome of renal cell carcinoma (RCC), but its biological role needs further elucidation. We examined expression of the PBRM1 gene in RCC cell lines and the effect of PBRM1 on cell proliferation and cell cycle in RCC ACHN cells. Microarray processing and analysis was used to explore novel pathways involved in tumorigenesis related to PBRM1 knockdown. PBRM1 was expressed at high levels in RCC ACHN cells and lentivirus-mediated PBRM1 knockdown in these cells caused an increase in the proportion of cells in S phase of the cell cycle and promoted in vitro proliferation and migration...
2017: PloS One
https://www.readbyqxmd.com/read/28747427/a-biallelic-mutation-in-il6st-encoding-the-gp130-co-receptor-causes-immunodeficiency-and-craniosynostosis
#13
Tobias Schwerd, Stephen R F Twigg, Dominik Aschenbrenner, Santiago Manrique, Kerry A Miller, Indira B Taylor, Melania Capitani, Simon J McGowan, Elizabeth Sweeney, Astrid Weber, Liye Chen, Paul Bowness, Andrew Riordan, Andrew Cant, Alexandra F Freeman, Joshua D Milner, Steven M Holland, Natalie Frede, Miryam Müller, Dirk Schmidt-Arras, Bodo Grimbacher, Steven A Wall, E Yvonne Jones, Andrew O M Wilkie, Holm H Uhlig
Multiple cytokines, including interleukin 6 (IL-6), IL-11, IL-27, oncostatin M (OSM), and leukemia inhibitory factor (LIF), signal via the common GP130 cytokine receptor subunit. In this study, we describe a patient with a homozygous mutation of IL6ST (encoding GP130 p.N404Y) who presented with recurrent infections, eczema, bronchiectasis, high IgE, eosinophilia, defective B cell memory, and an impaired acute-phase response, as well as skeletal abnormalities including craniosynostosis. The p.N404Y missense substitution is associated with loss of IL-6, IL-11, IL-27, and OSM signaling but a largely intact LIF response...
September 4, 2017: Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28711945/the-molecular-characterization-of-porcine-egg-precursor-cells
#14
Te-Sha Tsai, Jacqueline Johnson, Yvonne White, Justin C St John
Female-factor infertility can be caused by poor oocyte quality and depleted ovarian reserves. Egg precursor cells (EPCs), isolated from the ovarian cortex, have the potential to be used to overcome female infertility. We aimed to define the origins of EPCs by analyzing their gene expression profiles and mtDNA content using a mini-pig model. We characterized FAC-sorted DDX4+-derived porcine EPCs by performing RNA-sequencing and determined that they utilize pathways important for cell cycle and proliferation, which supports the existence of adult mitotically active oogonial cells...
June 28, 2017: Oncotarget
https://www.readbyqxmd.com/read/28651487/identification-of-genes-and-pathways-related-to-lymphovascular-invasion-in-breast-cancer-patients-a-bioinformatics-analysis-of-gene-expression-profiles
#15
Sukhontip Klahan, Henry Sung-Ching Wong, Shih-Hsin Tu, Wan-Hsuan Chou, Yan-Feng Zhang, Thien-Fiew Ho, Chih-Yi Liu, Shih-Ying Yih, Hsing Fang Lu, Sean Chun-Chang Chen, Chi-Cheng Huang, Wei-Chiao Chang
Surgery is the most effective treatment for breast cancer patients. However, some patients developed recurrence and distant metastasis after surgery. Adjuvant therapy is considered for high-risk patients depending on several prognostic markers, and lymphovascular invasion has become one of such prognostic markers that help physicians to identify the risk for distant metastasis and recurrence. However, the mechanism of lymphovascular invasion in breast cancer remains unknown. This study aims to unveil the genes and pathways that may involve in lymphovascular invasion in breast cancer...
June 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28620241/tgf-beta-atra-induced-tregs-express-a-selected-set-of-micrornas-involved-in-the-repression-of-transcripts-related-to-th17-differentiation
#16
Josiane Lilian Dos Santos Schiavinato, Rodrigo Haddad, Felipe Saldanha-Araujo, João Baiochi, Amélia Goes Araujo, Priscila Santos Scheucher, Dimas Tadeu Covas, Marco Antonio Zago, Rodrigo Alexandre Panepucci
Regulatory T cells (Tregs) are essential regulators of immune tolerance. atRA and TGF-β can inhibit the polarization of naïve T cells into inflammatory Th17 cells, favoring the generation of stable iTregs, however the regulatory mechanisms involved are not fully understood. In this context, the roles of individual microRNAs in Tregs are largely unexplored. Naïve T cells were immunomagnetically isolated from umbilical cord blood and activated with anti-human CD2/CD3/CD28 beads in the presence of IL-2 alone (CD4Med) or with the addition of TGF-β and atRA (CD4TGF/atRA)...
June 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28412025/the-influence-of-chronic-il-6-exposure-in-vivo-on-rat-achilles-tendon-extracellular-matrix
#17
Mark S Katsma, Shivam H Patel, Erica Eldon, Kathryn A Corbell, Kevin L Shimkus, James D Fluckey, Chad C Carroll
When compared to placebo, acetaminophen (APAP) reduces tendon stiffness and collagen cross-linking. APAP also enhances the exercise-induced increase in peritendinous levels of IL-6. Elevated levels of IL-6 are associated with tendinopathy, thus we hypothesized that chronic, elevated peritendinous IL-6 would alter tendon extracellular matrix (ECM). IL-6 (∼3000pgml-1 ) was injected (3dwk-1 for 8-wks) into the Achilles peritendinous region of male Wistar rats (n=16) with the opposite leg serving as a sham. Fractional synthesis rates (FSR) were determined using deuterium oxide...
May 2017: Cytokine
https://www.readbyqxmd.com/read/28370781/downregulation-of-genes-related-to-immune-and-inflammatory-response-in-ivf-implantation-failure-cases-under-controlled-ovarian-stimulation
#18
Amruta D S Pathare, Kusum Zaveri, Indira Hinduja
PROBLEM: Implantation failure (IF) even after the good-quality embryo transfer (ET) is main obstacle in in vitro fertilization (IVF). We aim to study the genomics of endometrial receptivity in IF patients under controlled ovarian stimulation (COS) during which ET is generally practised in IVF. METHOD OF STUDY: Endometrial gene expression profiling in IF patients (n=10) and oocyte donors (n=8) were compared during window of implantation under COS by microarray. Enrichment analysis of microarray data was performed to determine dysregulated pathways...
July 2017: American Journal of Reproductive Immunology: AJRI
https://www.readbyqxmd.com/read/28323122/exome-analysis-of-the-evolutionary-path-of-hepatocellular-adenoma-carcinoma-transition-vascular-invasion-and-brain-dissemination
#19
Sílvia Vilarinho, E Zeynep Erson-Omay, Kisha Mitchell-Richards, Charles Cha, Carol Nelson-Williams, Akdes Serin Harmancı, Katsuhito Yasuno, Murat Günel, Tamar H Taddei
Hepatocellular adenoma (HCA) is a rare benign liver tumor, predominantly seen in young women. Its major complications are malignant transformation, spontaneous hemorrhage, and rupture. We describe a case of a young female with no underlying liver disease who presented with acute abdominal pain and was found to have a 17cm heterogeneous mass in the left lobe of the liver. She underwent left hepatectomy and pathology revealed a 14cm moderately differentiated hepatocellular carcinoma (HCC) arising in a shell of a HCA...
July 2017: Journal of Hepatology
https://www.readbyqxmd.com/read/28260060/bioinformatics-analysis-on-the-differentiation-of-bone-mesenchymal-stem-cells-into-osteoblasts-and-adipocytes
#20
Xiaoyuan Xu, He Jiang, Xingnuan Li, Ping Wu, Jianyun Liu, Tao Wang, Xiaoou Zhou, Jianjun Xiong, Weidong Li
The present study aimed to screen several differentially expressed genes (DEGs) and differentially expressed microRNAs (miRNAs) for two types of mesenchymal stem cell (MSC) differentiation. Bone morphogenetic protein 6 (BMP‑6) and dexamethasone were used to induce MSCs towards osteoblastic differentiation or adipocytic differentiation. The t‑test in the Bioconductor bioinformatics software tool was used to screen DEGs and differentially expressed miRNAs in the two samples. Subsequent gene ontology (GO) and pathway analyses on the DEGs were performed using the GO and Kyoto Encyclopedia of Genes and Genomes databases, respectively; potential target genes for the screened miRNAs were predicted using the TargetScan database...
April 2017: Molecular Medicine Reports
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