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https://www.readbyqxmd.com/read/29912871/ar-negative-triple-negative-or-quadruple-negative-breast-cancers-in-african-american-women-have-an-enriched-basal-and-immune-signature
#1
Melissa Davis, Shweta Tripathi, Raymond Hughley, Qinghua He, Sejong Bae, Balasubramanyam Karanam, Rachel Martini, Lisa Newman, Windy Colomb, William Grizzle, Clayton Yates
There is increasing evidence that Androgen Receptor (AR) expression has prognostic usefulness in Triple negative breast cancer (TNBC), where tumors that lack AR expression are considered "Quadruple negative" Breast Cancers ("QNBC"). However, a comprehensive analysis of AR expression within all breast cancer subtypes or stratified by race has not been reported. We assessed AR mRNA expression in 925 tumors from The Cancer Genome Atlas (TCGA), and 136 tumors in 2 confirmation sets. AR protein expression was determined by immunohistochemistry in 197 tumors from a multi-institutional cohort, for a total of 1258 patients analyzed...
2018: PloS One
https://www.readbyqxmd.com/read/29902581/low-responsiveness-to-a-hepatitis-b-virus-vaccine-in-a-chinese-population-lacks-association-with-itgal-cd58-tnfsf15-ccl15-tgfb3-and-bcl6-gene-variants
#2
Xiaojia Xu, Yulian Li, Yaping Liang, Mingjuan Yin, Yan Zhang, Lingfeng Huang, Zuwei Yu, Jindong Ni
It is known that multiple genetic variants can affect immune responses to the hepatitis B virus (HBV) vaccine. A case-control study was undertaken to examine the possible association of low responsiveness to the HBV vaccine in a Chinese population with genetic polymorphisms in integrin subunit alpha L, CD58, tumor necrosis factor superfamily member 15, C-C motif chemokine ligand 15, transforming growth factor beta 3, and B-cell lymphoma 6 protein. The copy numbers of these six genes were detected in 129 low responders, 129 middle responders and 129 high responders to HBV vaccination...
June 11, 2018: Infection, Genetics and Evolution
https://www.readbyqxmd.com/read/29858600/syt7-acts-as-a-driver-of-hepatic-metastasis-formation-of-gastric-cancer-cells
#3
Mitsuro Kanda, Haruyoshi Tanaka, Dai Shimizu, Takashi Miwa, Shinichi Umeda, Chie Tanaka, Daisuke Kobayashi, Norifumi Hattori, Masaya Suenaga, Masamichi Hayashi, Naoki Iwata, Suguru Yamada, Michitaka Fujiwara, Yasuhiro Kodera
Liver metastasis remains a serious problem in the management of gastric cancer (GC). Our aims were to identify through transcriptome analysis a molecule that mediates hepatic metastasis in GC, and to evaluate its potential as a diagnostic marker and a therapeutic target. The effects of knocking out a relevant molecule using genome editing were evaluated in vitro experiments and in mouse xenograft models. Expression levels of candidate molecule in 300 pairs of gastric tissues were determined to assess whether differentially expressed genes predicted hepatic recurrence, metastasis, or both...
June 1, 2018: Oncogene
https://www.readbyqxmd.com/read/29694940/gene-gene-interaction-for-nonsyndromic-cleft-lip-with-or-without-cleft-palate-in-chilean-case-parent-trios
#4
José Suazo, José Luis Santos, Alicia Colombo, Rosa Pardo
OBJECTIVE: Nonsyndromic cleft lip with or without cleft palate (NSCL/P) is a birth defect for which several genes susceptibility genes been proposed. Consequently, it has been suggested that many of these genes belong to common inter-related pathways during craniofacial development gene-gene interaction. We evaluated the presence of gene-gene interaction for single nucleotide polymorphisms within interferon regulatory factor 6 (IRF6), muscle segment homeobox 1 (MSX1), bone morphogenetic protein 4 (BMP4) and transforming growth factor 3 (TGFB3) genes in NSCL/P risk in Chilean case-parent trios...
July 2018: Archives of Oral Biology
https://www.readbyqxmd.com/read/29692363/jak-tgf%C3%AE-cross-talk-links-transient-adipose-tissue-inflammation-to-beige-adipogenesis
#5
Rohollah Babaei, Maximilian Schuster, Irina Meln, Sarah Lerch, Rayane A Ghandour, Didier F Pisani, Irem Bayindir-Buchhalter, Julia Marx, Shuang Wu, Gabriele Schoiswohl, Adrian T Billeter, Damir Krunic, Jan Mauer, Yun-Hee Lee, James G Granneman, Lars Fischer, Beat P Müller-Stich, Ez-Zoubir Amri, Erin E Kershaw, Mathias Heikenwälder, Stephan Herzig, Alexandros Vegiopoulos
The transient activation of inflammatory networks is required for adipose tissue remodeling including the "browning" of white fat in response to stimuli such as β3-adrenergic receptor activation. In this process, white adipose tissue acquires thermogenic characteristics through the recruitment of so-called beige adipocytes. We investigated the downstream signaling pathways impinging on adipocyte progenitors that promote de novo formation of adipocytes. We showed that the Jak family of kinases controlled TGFβ signaling in the adipose tissue microenvironment through Stat3 and thereby adipogenic commitment, a function that was required for beige adipocyte differentiation of murine and human progenitors...
April 24, 2018: Science Signaling
https://www.readbyqxmd.com/read/29577749/proliferation-migration-and-ecm-formation-potential-of-human-annulus-fibrosus-cells-is-independent-of-degeneration-status
#6
Sylvia Hondke, Mario Cabraja, Jan Philipp Krüger, Stefan Stich, Tony Hartwig, Michael Sittinger, Michaela Endres
Objective The objective was to evaluate the proliferating, migratory and extracellular matrix (ECM) forming potential of annulus fibrosus cells derived from early (edAFC) or advanced (adAFC) degenerative tissue and their usability as a possible cell source for regenerative approaches for AF closure. Design EdAFC ( n = 5 Pfirrman score of 2-3) and adAFC (n = 5 Pfirrman score of 4-5) were isolated from tissue of patients undergoing spine stabilizing surgery. Cell migration on stimulation with human serum (HS), platelet-rich plasma (PRP), and transforming growth factor β-3 (TGFB3) was assessed by migration assay and proliferation was assessed on stimulation with HS...
March 1, 2018: Cartilage
https://www.readbyqxmd.com/read/29504907/hk3-overexpression-associated-with-epithelial-mesenchymal-transition-in-colorectal-cancer
#7
Elena A Pudova, Anna V Kudryavtseva, Maria S Fedorova, Andrew R Zaretsky, Dmitry S Shcherbo, Elena N Lukyanova, Anatoly Y Popov, Asiya F Sadritdinova, Ivan S Abramov, Sergey L Kharitonov, George S Krasnov, Kseniya M Klimina, Nadezhda V Koroban, Nadezhda N Volchenko, Kirill M Nyushko, Nataliya V Melnikova, Maria A Chernichenko, Dmitry V Sidorov, Boris Y Alekseev, Marina V Kiseleva, Andrey D Kaprin, Alexey A Dmitriev, Anastasiya V Snezhkina
BACKGROUND: Colorectal cancer (CRC) is a common cancer worldwide. The main cause of death in CRC includes tumor progression and metastasis. At molecular level, these processes may be triggered by epithelial-mesenchymal transition (EMT) and necessitates specific alterations in cell metabolism. Although several EMT-related metabolic changes have been described in CRC, the mechanism is still poorly understood. RESULTS: Using CrossHub software, we analyzed RNA-Seq expression profile data of CRC derived from The Cancer Genome Atlas (TCGA) project...
February 9, 2018: BMC Genomics
https://www.readbyqxmd.com/read/29460548/the-role-of-zinc-plus-octenidine-in-the-regulation-of-gene-expression-an-in-vitro-study
#8
D Lauritano, V Candotto, C A Bignozzi, D Pazzi, F Carinci, F Cura, A Tagliabue, L Tettamanti
Zinc was known in ancient times, and is diffused in the environment. The potential benefits offered by zinc supplementary therapy have been demonstrated in numerous clinical trials using oral or topical zinc products. The benefit of zinc can be in principle increased through association with other actives. The aim of this study is to evaluate the effect on primary human gingival fibroblast cell of a new formulation containing zinc and octenidine cations. Human gingival fibroblast cells were obtained from three healthy patients (14-year-old man, 15-year-old woman and 20-year-old man) during extraction of teeth...
January 2018: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/29392890/a-mutation-update-on-the-lds-associated-genes-tgfb2-3-and-smad2-3
#9
Dorien Schepers, Giada Tortora, Hiroko Morisaki, Gretchen MacCarrick, Mark Lindsay, David Liang, Sarju G Mehta, Jennifer Hague, Judith Verhagen, Ingrid van de Laar, Marja Wessels, Yvonne Detisch, Mieke van Haelst, Annette Baas, Klaske Lichtenbelt, Kees Braun, Denise van der Linde, Jolien Roos-Hesselink, George McGillivray, Josephina Meester, Isabelle Maystadt, Paul Coucke, Elie El-Khoury, Sandhya Parkash, Birgitte Diness, Lotte Risom, Ingrid Scurr, Yvonne Hilhorst-Hofstee, Takayuki Morisaki, Julie Richer, Julie Désir, Marlies Kempers, Andrea L Rideout, Gabrielle Horne, Chris Bennett, Elisa Rahikkala, Geert Vandeweyer, Maaike Alaerts, Aline Verstraeten, Hal Dietz, Lut Van Laer, Bart Loeys
The Loeys-Dietz syndrome (LDS) is a connective tissue disorder affecting the cardiovascular, skeletal, and ocular system. Most typically, LDS patients present with aortic aneurysms and arterial tortuosity, hypertelorism, and bifid/broad uvula or cleft palate. Initially, mutations in transforming growth factor-β (TGF-β) receptors (TGFBR1 and TGFBR2) were described to cause LDS, hereby leading to impaired TGF-β signaling. More recently, TGF-β ligands, TGFB2 and TGFB3, as well as intracellular downstream effectors of the TGF-β pathway, SMAD2 and SMAD3, were shown to be involved in LDS...
May 2018: Human Mutation
https://www.readbyqxmd.com/read/29350460/three-generation-family-with-novel-contiguous-gene-deletion-on-chromosome-2p22-associated-with-thoracic-aortic-aneurysm-syndrome
#10
Bianca Quiñones-Pérez, Grace E VanNoy, Meghan C Towne, Yiping Shen, Michael N Singh, Pankaj B Agrawal, Sharon E Smith
Latent transforming growth factor binding proteins (LTBP) are a family of extracellular matrix glycoproteins that play an important role in the regulation of transforming growth factor beta (TGF-ß) activation. Dysregulation of the TGF-ß pathway has been implicated in the pathogenesis of inherited disorders predisposing to thoracic aortic aneurysms syndromes (TAAS) including Marfan syndrome (MFS; FBN1) and Loeys-Dietz syndrome (LDS; TGFBR1, TGFBR2, TGFB2, TGFB3, SMAD2, SMAD3). While these syndromes have distinct clinical criteria, they share clinical features including aortic root dilation and musculoskeletal findings...
March 2018: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/29280310/osteogenic-stimulation-of-human-adipose-derived-mesenchymal-stem-cells-using-a-fungal-metabolite-that-suppresses-the-polycomb-group-protein-ezh2
#11
Rebekah M Samsonraj, Amel Dudakovic, Bushra Manzar, Buer Sen, Allan B Dietz, Simon M Cool, Janet Rubin, Andre J van Wijnen
Strategies for musculoskeletal tissue regeneration apply adult mesenchymal stem/stromal cells (MSCs) that can be sourced from bone marrow- and lipo-aspirates. Adipose tissue-derived MSCs are more easily harvested in the large quantities required for skeletal tissue-engineering approaches, but are generally considered to be less osteogenic than bone marrow MSCs. Therefore, we tested a new molecular strategy to improve their osteogenic lineage-differentiation potential using the fungal metabolite cytochalasin D (CytoD)...
February 2018: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/29244857/maternal-plasma-angiogenic-and-inflammatory-factor-profiling-in-foetal-down-syndrome
#12
Monika Zbucka-Kretowska, Karol Charkiewicz, Joanna Goscik, Slawomir Wolczynski, Piotr Laudanski
OBJECTIVE AND DESIGN: Angiogenic factors are proteins that are related to certain foetal chromosomal abnormalities. The aim of this study was to determine the concentration of 60 angiogenic factors in the plasma of women with offspring possessing trisomy 21/Down syndrome (DS). METHOD: After analysing karyotyping results, we selected 20 patients with foetuses possessing DS, and for the control group, we selected 28 healthy patients with uncomplicated pregnancies who delivered healthy newborns at term (i...
2017: PloS One
https://www.readbyqxmd.com/read/29190897/biomarkers-identified-for-prostate-cancer-patients-through-genome-scale-screening
#13
Lei-Yun Wang, Jia-Jia Cui, Tao Zhu, Wei-Hua Shao, Yi Zhao, Sai Wang, Yu-Peng Zhang, Ji-Chu Wu, Le Zhang
Prostate cancer is a threat to men and usually occurs in aged males. Though prostate specific antigen level and Gleason score are utilized for evaluation of the prostate cancer in clinic, the biomarkers for this malignancy have not been widely recognized. Furthermore, the outcome varies across individuals receiving comparable treatment regimens and the underlying mechanism is still unclear. We supposed that genetic feature may be responsible for, at least in part, this process and conducted a two-cohort study to compare the genetic difference in tumorous and normal tissues of prostate cancer patients...
November 3, 2017: Oncotarget
https://www.readbyqxmd.com/read/29167509/cartilage-intermediate-layer-protein-1-cilp1-a-novel-mediator-of-cardiac-extracellular-matrix-remodelling
#14
Frans A van Nieuwenhoven, Chantal Munts, Roel C Op't Veld, Arantxa González, Javier Díez, Stephane Heymans, Blanche Schroen, Marc van Bilsen
Heart failure is accompanied by extracellular matrix (ECM) remodelling, often leading to cardiac fibrosis. In the present study we explored the significance of cartilage intermediate layer protein 1 (CILP1) as a novel mediator of cardiac ECM remodelling. Whole genome transcriptional analysis of human cardiac tissue samples revealed a strong association of CILP1 with many structural (e.g. COL1A2 r2  = 0.83) and non-structural (e.g. TGFB3 r2  = 0.75) ECM proteins. Gene enrichment analysis further underscored the involvement of CILP1 in human cardiac ECM remodelling and TGFβ signalling...
November 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29161966/altered-downstream-target-gene-expression-of-the-placental-vitamin-d-receptor-in-human-idiopathic-fetal-growth-restriction
#15
Thy P H Nguyen, Hannah E J Yong, Tejasvy Chollangi, Shaun P Brennecke, Susan J Fisher, Euan M Wallace, Peter R Ebeling, Padma Murthi
Fetal growth restriction (FGR) affects up to 5% of pregnancies and is associated with significant perinatal complications. Maternal deficiency of vitamin D, a secosteroid hormone, is common in FGR-affected pregnancies. We recently demonstrated that decreased expression of the vitamin D receptor (VDR) in idiopathic FGR placentae could impair trophoblast growth. As strict regulation of cell-cycle genes in trophoblast cells is critical for optimal feto-placental growth, we hypothesised that pathologically decreased placental VDR contributes to aberrant regulation of cell-cycle genes...
2018: Cell Cycle
https://www.readbyqxmd.com/read/29104726/microrna-34a-a-key-regulator-in-the-hallmarks-of-renal-cell-carcinoma
#16
Eman A Toraih, Afaf T Ibrahiem, Manal S Fawzy, Mohammad H Hussein, Saeed Awad M Al-Qahtani, Aly A M Shaalan
Renal cell carcinoma (RCC) incidence has increased over the past two decades. Recent studies reported microRNAs as promising biomarkers for early cancer detection, accurate prognosis, and molecular targets for future treatment. This study aimed to evaluate the expression levels of miR-34a and 11 of its bioinformatically selected target genes and proteins to test their potential dysregulation in RCC. Quantitative real-time PCR for miR-34a and its targets; MET oncogene; gene-regulating apoptosis ( TP53INP2 and DFFA ); cell proliferation ( E2F3 ); and cell differentiation ( SOX2 and TGFB3 ) as well as immunohistochemical assay for VEGFA, TP53, Bcl2, TGFB1, and Ki67 protein expression have been performed in 85 FFPE RCC tumor specimens...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/29051557/transforming-growth-factor-%C3%AE-signaling-pathway-associated-genes-smad2-and-tgfbr2-are-implicated-in-metabolic-syndrome-in-a-taiwanese-population
#17
Eugene Lin, Po-Hsiu Kuo, Yu-Li Liu, Albert C Yang, Shih-Jen Tsai
The transforming growth factor-β (TGF-β) signaling pathway and its relevant genes have been correlated with an increased risk of developing various hallmarks of metabolic syndrome (MetS). In this study, we assessed whether the TGF-β signaling pathway-associated genes of SMAD family member 2 (SMAD2), SMAD3, SMAD4, transforming growth factor beta 1 (TGFB1), TGFB2, TGFB3, transforming growth factor beta receptor 1 (TGFBR1), and TGFBR2 are associated with MetS and its individual components independently, through complex interactions, or both in a Taiwanese population...
October 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29030341/macrophage-overexpression-of-matrix-metalloproteinase-9-in-aged-mice-improves-diastolic-physiology-and-cardiac-wound-healing-after-myocardial-infarction
#18
Cesar A Meschiari, Mira Jung, Rugmani Padmanabhan Iyer, Andriy Yabluchanskiy, Hiroe Toba, Michael R Garrett, Merry L Lindsey
Matrix metalloproteinase (MMP)-9 increases in the myocardium with advanced age and after myocardial infarction (MI). Because young transgenic (TG) mice overexpressing human MMP-9 only in macrophages show better outcomes post-MI, whereas aged TG mice show a worse aging phenotype, we wanted to evaluate the effect of aging superimposed on MI to see if the detrimental effect of aging counteracted the benefits of macrophage MMP-9 overexpression. We used 17- to 28-mo-old male and female C57BL/6J wild-type (WT) and TG mice ( n = 10-21 mice/group) to evaluate the effects of aging superimposed on MI...
February 1, 2018: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/28969601/genome-wide-analysis-of-dna-methylation-profiles-on-sheep-ovaries-associated-with-prolificacy-using-whole-genome-bisulfite-sequencing
#19
Yanli Zhang, Fengzhe Li, Xu Feng, Hua Yang, Aoxiang Zhu, Jing Pang, Le Han, Tingting Zhang, Xiaolei Yao, Feng Wang
BACKGROUND: Ovulation rate and litter size are important reproductive traits in sheep with high economic value. Recent work has revealed a potential link between DNA methylation and prolificacy. However, a genome-wide study that sought to identify potential DNA methylation sites involved in sheep prolificacy indicated that it is still unknown. Here, we aimed to investigate the genome-wide DNA methylation profiles of Hu sheep ovaries by comparing a high-prolificacy group (HP, litter size of three for at least 2 consecutive lambings) and low prolificacy group (LP, litter size of one for at least 2 consecutive lambings) using deep whole-genome bisulfite sequencing (WGBS)...
October 2, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28728367/comparative-analysis-on-genome-wide-dna-methylation-in-longissimus-dorsi-muscle-between-small-tailed-han-and-dorper%C3%A3-small-tailed-han-crossbred-sheep
#20
Yang Cao, Hai-Guo Jin, Hui-Hai Ma, Zhi-Hui Zhao
OBJECTIVE: The objective of this study was to compare the DNA methylation profile in the longissimus dorsi muscle between Small Tailed Han and Dorper×Small Tailed Han crossbred sheep which were known to exhibit significant difference in meat-production. METHODS: Six samples (three in each group) were subjected to the methylated DNA immunoprecipitation sequencing (MeDIP-seq) and subsequent bioinformatics analyses to detect differentially methylated regions (DMRs) between the two groups...
November 2017: Asian-Australasian Journal of Animal Sciences
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