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https://www.readbyqxmd.com/read/28616206/a-systematic-review-and-meta-analysis-of-genetic-association-studies-for-the-role-of-inflammation-and-the-immune-system-in-diabetic-nephropathy
#1
Maria Tziastoudi, Ioannis Stefanidis, Georgios M Hadjigeorgiou, Konstantinos Stravodimos, Elias Zintzaras
Background: Despite the certain contribution of metabolic and haemodynamic factors in diabetic nephropathy (DN), many lines of evidence highlight the role of immunologic and inflammatory mechanisms. To elucidate the contribution of the immune system in the development of DN, we explored the contribution of gene variants (polymorphisms) in relevant pathophysiologic pathways. Methods: We selected six major pathways related to immune response from the Kyoto Encyclopaedia of Genes and Genomes database and thereafter we traced all available genetic association studies (GASs) involving gene variants in these pathways from PubMed and HuGE Navigator...
June 2017: Clinical Kidney Journal
https://www.readbyqxmd.com/read/28613228/rna-seq-reveals-transcriptomic-differences-in-inflamed-and-noninflamed-intestinal-mucosa-of-crohn-s-disease-patients-compared-with-normal-mucosa-of-healthy-controls
#2
Sung Noh Hong, Je-Gun Joung, Joon Seol Bae, Chan Soo Lee, Ja Seol Koo, Soo Jung Park, Jong Pil Im, You Sun Kim, Ji Won Kim, Woong Yang Park, Young-Ho Kim
BACKGROUND: Aberrant gene expression in the gut mucosa might contribute to the initiation and progression of Crohn's disease (CD). RNA sequencing (RNA-seq) provides precise measurements of expression levels of transcripts and their isoforms. The aim of this study was to use RNA-seq to investigate transcriptomic differences and identify significantly differentially expressed transcripts in inflamed and noninflamed intestinal mucosa of CD patients. METHODS: RNA-seq was performed on 13 pairs of inflamed and noninflamed intestinal mucosa from 13 CD patients and on sex-matched normal mucosa of 13 healthy controls...
July 2017: Inflammatory Bowel Diseases
https://www.readbyqxmd.com/read/28573109/persistence-of-innate-immune-pathways-in-late-stage-human-bacterial-and-fungal-keratitis-results-from-a-comparative-transcriptome-analysis
#3
Jaya D Chidambaram, Shichina Kannambath, Palepu Srikanthi, Manisha Shah, Prajna Lalitha, Shanmugam Elakkiya, Julien Bauer, Namperumalsamy V Prajna, Martin J Holland, Matthew J Burton
Microbial keratitis (MK) is a major cause of blindness worldwide. Despite adequate antimicrobial treatment, tissue damage can ensue. We compared the human corneal transcriptional profile in late stage MK to normal corneal tissue to identify pathways involved in pathogenesis. Total RNA from MK tissue and normal cadaver corneas was used to determine transcriptome profiles with Illumina HumanHT-12 v4 beadchips. We performed differential expression and network analysis of genes in bacterial keratitis (BK) and fungal keratitis (FK) compared with control (C) samples...
2017: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/28551623/the-immunological-roles-of-periostin-tumor-associated-macrophage-axis-in-development-of-dermatofibrosarcoma-protuberans
#4
Taku Fujimura, Aya Kakizaki, Yota Sato, Kayo Tanita, Sadanori Furudate, Setsuya Aiba
BACKGROUND/AIM: Dermatofibrosarcoma protuberance (DFSP) is a fibrohistiocytic tumor of intermediate malignancy characterized by slow infiltrative growth and a high tendency to recur locally. Periostin is involved in modulating cell function and inducing the production of proinflammatory cytokines, chemokines, and matrix metalloproteinases (MMPs) from tumor-associated macrophages (TAMs) to promote fibrosis and tumor growth. This study aimed to examine the cancer stroma of DFSP, focusing on TAMs-related proteins and MMPs...
June 2017: Anticancer Research
https://www.readbyqxmd.com/read/28515123/all-trans-retinoic-acid-prevents-osteosarcoma-metastasis-by-inhibiting-m2-polarization-of-tumor-associated-macrophages
#5
Qian Zhou, Miao Xian, Senfeng Xiang, Danyan Xiang, Xuejing Shao, Jincheng Wang, Ji Cao, Xiaochun Yang, Bo Yang, Meidan Ying, Qiaojun He
M2-polarized tumor associated macrophages (TAM) play a critical role in cancer invasion and metastasis. Here, we report that M2 macrophages enhanced metastasis of K7M2 WT osteosarcoma cells to the lung in mice, thus establishing M2 TAMs as a therapeutic target for blocking osteosarcoma metastasis. We found that all-trans retinoic acid (ATRA) inhibited osteosarcoma metastasis via inhibiting the M2 polarization of TAMs. ATRA suppressed IL13 or IL4 induced M2-type macrophages, and then inhibited migration of osteosarcoma cells as promoted by M2-type macrophages in vitro ATRA reduced the number of pulmonary metastatic nodes of osteosarcoma and decreased expression of M2-type macrophages in metastatic nodes both in intravenous injection and orthotopic transplantation models...
May 17, 2017: Cancer Immunology Research
https://www.readbyqxmd.com/read/28495851/different-macrophages-equally-induce-emt-in-endometria-of-adenomyosis-and-normal
#6
Min An, Dong Li, Ming Yuan, Qiuju Li, Lu Zhang, Guo Yun Wang
Endometrial cells and microenvironment are two important factors in the pathogenesis of adenomyosis. Our previous study demonstrated that macrophages can induce eutopic epithelial cells of adenomyosis suffering from epithelial-mesenchymal transition (EMT). The aim of this study is to detect whether macrophages interacting with epithelial cells equally induce the EMT process in normal and eutopic endometria of healthy and adenomyotic patients; and macrophages parallelly polarize to M2. We investigated expressions of epithelial cadherin (E-cadherin), neural cadherin (N-cadherin), cytokeratin7 (CK7), vimentin, transforming growth factor-β1 (TGFB1), SMAD3 and pSMAD3 using Immunohistochemistry and Western Blot, then estimated genetic levels of CD163, IL10 and MMP12 using real-time quantitative polymerase chain reaction (RT-PCR) in macrophages...
May 11, 2017: Reproduction: the Official Journal of the Society for the Study of Fertility
https://www.readbyqxmd.com/read/28487489/apelin-a-putative-novel-predictive-biomarker-for-bevacizumab-response-in-colorectal-cancer
#7
Linda Zuurbier, Arman Rahman, Martijn Cordes, Jennifer Scheick, Tse J Wong, François Rustenburg, Jesu Christopher Joseph, Peter Dynoodt, Rory Casey, Paul Drillenburg, Michael Gerhards, Ana Barat, Rut Klinger, Bozena Fender, Darran P O'Connor, Johannes Betge, Matthias P Ebert, Timo Gaiser, Jochen H M Prehn, Arjan W Griffioen, Nicole C T van Grieken, Bauke Ylstra, Annette T Byrne, Laurens G van der Flier, William M Gallagher, Ruben Postel
Bevacizumab (bvz) is currently employed as an anti-angiogenic therapy across several cancer indications. Bvz response heterogeneity has been well documented, with only 10-15% of colorectal cancer (CRC) patients benefitting in general. For other patients, clinical efficacy is limited and side effects are significant. This reinforces the need for a robust predictive biomarker of response. To identify such a biomarker, we performed a DNA microarray-based transcriptional profiling screen with primary endothelial cells (ECs) isolated from normal and tumour colon tissues...
April 21, 2017: Oncotarget
https://www.readbyqxmd.com/read/28442300/effects-of-mmp12-on-cell-motility-and-inflammation-during-corneal-epithelial-repair
#8
Marie Wolf, Inna Maltseva, Selene M Clay, Peipei Pan, Abhinay Gajjala, Matilda F Chan
Corneal epithelial defects are a common cause of ocular morbidity and can result in corneal scarring if they do not heal properly. Matrix metalloproteinases (MMPs) are extracellular matrix proteinases that regulate multiple aspects of corneal repair. We have previously shown that MMP12 has a protective effect on corneal fibrosis through its regulation of neutrophil and macrophage infiltration and angiogenesis in a chemical injury model involving full thickness damage to the cornea. However, the role of MMP12 in injuries limited to the corneal epithelium is relatively unknown...
April 22, 2017: Experimental Eye Research
https://www.readbyqxmd.com/read/28385529/matrix-metalloproteinase12-facilitated-platelet-activation-by-shedding-carcinoembryonic-antigen-related-cell-adhesion-molecule1
#9
Jing Wang, Yujia Ye, Guoqing Wei, Wei Hu, Linhua Li, Si Lu, Zhaohui Meng
Platelets express several MMPs that modulate their activation, which in turn regulates thrombosis, but the exact mechanism is unclear. This study evaluated the platelet expression of MMP12 and platelet activation by shedding CEACAM1 mediated by MMP12. Expression of MMP12 was measured by RT-PCR, Western blot (WB), and casein zymography in platelet from whole blood by gel filtration over plateletpheresis. The site of CEACAM1 cleavage by MMP12 was determined by high performance liquid chromatography (HPLC), mass spectrometry, WB and flow cytometry (FCM)...
May 13, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28345958/macrophage-elastase-induces-trail-mediated-tumor-cell-death-through-its-carboxyterminal-domain
#10
Nadine Dandachi, Neil J Kelly, John P Wood, Christine L Burton, Josiah E Radder, Adriana S Leme, Alyssa D Gregory, Steven D Shapiro
RATIONALE: Macrophage elastase (MMP12) is a potent protease that contributes to the lung destruction that accompanies cigarette smoking while it simultaneously inhibits lung tumor angiogenesis and metastasis by catalyzing the formation of anti-angiogenic peptides. Recent studies have revealed novel non-proteolytic functions of MMP12, including antimicrobial activity through a peptide within its C-terminal domain (CTD). OBJECTIVES: Our objective was to determine whether the MMP12 CTD contributes to its anti-tumor activity in lung cancer...
March 27, 2017: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/28343758/synergistic-expression-of-histone-deacetylase-9-and-matrix-metalloproteinase-12-in-m4-macrophages-in-advanced-carotid-plaques
#11
N K J Oksala, I Seppälä, R Rahikainen, K-M Mäkelä, E Raitoharju, T Illig, N Klopp, I Kholova, R Laaksonen, P J Karhunen, V P Hytönen, T Lehtimäki
OBJECTIVE/BACKGROUND: Expression patterns and association with cell specific gene expression signatures of the epigenetic regulator histone deacetylase 9 (HDAC9) and matrix metalloproteinase 12 (MMP12) in human plaque are not known. METHODS: This was a prospective cohort study. Genome wide expression analysis was performed in carotid, femoral, aortic plaques (n = 68) and left internal thoracic (LITA) controls (n = 28) and plaque histological severity assessed...
March 23, 2017: European Journal of Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/28320580/roles-of-alternatively-activated-m2-macrophages-in-allergic-contact-dermatitis
#12
REVIEW
Kotaro Suzuki, Kazuyuki Meguro, Daiki Nakagomi, Hiroshi Nakajima
Alternatively activated macrophages (M2 macrophages) play key roles in the suppression of Th1 cell responses and the orchestration of tissue repair. However, recent studies have shown that M2 macrophages have potentials to produce high levels of proinflammatory cytokines such as IL-1β, IL-6, and TNF-α, suggesting that M2 macrophages may exacerbate inflammation in some settings. In this regard, we have recently shown that large numbers of M2 macrophages accumulate in the sites of hapten-induced contact hypersensitivity (CHS), an animal model of allergic contact dermatitis, and that M2 macrophages exacerbate hapten-induced CHS by producing matrix metalloproteinase 12 (MMP12)...
March 17, 2017: Allergology International: Official Journal of the Japanese Society of Allergology
https://www.readbyqxmd.com/read/28288857/a-reductionist-approach-to-extract-robust-molecular-markers-from-microarray-data-series-isolating-markers-to-track-osseointegration
#13
Anwesha Barik, Satarupa Banerjee, Santanu Dhara, Nishant Chakravorty
Complexities in the full genome expression studies hinder the extraction of tracker genes to analyze the course of biological events. In this study, we demonstrate the applications of supervised machine learning methods to reduce the irrelevance in microarray data series and thereby extract robust molecular markers to track biological processes. The methodology has been illustrated by analyzing whole genome expression studies on bone-implant integration (ossointegration). Being a biological process, osseointegration is known to leave a trail of genetic footprint during the course...
March 10, 2017: Journal of Biomedical Informatics
https://www.readbyqxmd.com/read/28281307/integrated-expression-analysis-identifies-transcription-networks-in-mouse-and-human-gastric-neoplasia
#14
Zheng Chen, Mohammed Soutto, Bushra Rahman, Muhammad W Fazili, DunFa Peng, Maria Blanca Piazuelo, Heidi Chen, M Kay Washington, Yu Shyr, Wael El-Rifai
Gastric cancer (GC) is a leading cause of cancer-related deaths worldwide. The Tff1 knockout (KO) mouse model develops gastric lesions that include low-grade dysplasia (LGD), high-grade dysplasia (HGD), and adenocarcinomas. In this study, we used Affymetrix microarrays gene expression platforms for analysis of molecular signatures in the mouse stomach [Tff1-KO (LGD) and Tff1 wild-type (normal)] and human gastric cancer tissues and their adjacent normal tissue samples. Combined integrated bioinformatics analysis of mouse and human datasets indicated that 172 genes were consistently deregulated in both human gastric cancer samples and Tff1-KO LGD lesions (P < ...
July 2017: Genes, Chromosomes & Cancer
https://www.readbyqxmd.com/read/28237967/heterozygous-vangl2-looptail-mice-reveal-novel-roles-for-the-planar-cell-polarity-pathway-in-adult-lung-homeostasis-and-repair
#15
Thanushiyan Poobalasingam, Laura L Yates, Simone A Walker, Miguel Pereira, Nina Y Gross, Akmol Ali, Maria Kolatsi-Joannou, Marjo-Riitta Jarvelin, Juha Pekkanen, Eugenia Papakrivopoulou, David A Long, Mark Griffiths, Darcy Wagner, Melanie Königshoff, Matthew Hind, Cosetta Minelli, Clare M Lloyd, Charlotte H Dean
Lung diseases impose a huge economic and health burden worldwide. A key aspect of several adult lung diseases, such as idiopathic pulmonary fibrosis (IPF) and chronic obstructive pulmonary disease (COPD), including emphysema, is aberrant tissue repair, which leads to an accumulation of damage and impaired respiratory function. Currently, there are few effective treatments available for these diseases and their incidence is rising. The planar cell polarity (PCP) pathway is critical for the embryonic development of many organs, including kidney and lung...
April 1, 2017: Disease Models & Mechanisms
https://www.readbyqxmd.com/read/28125591/maternal-pre-pregnancy-obesity-is-associated-with-altered-placental-transcriptome
#16
Signe Altmäe, Maria Teresa Segura, Francisco J Esteban, Sabine Bartel, Pilar Brandi, Martin Irmler, Johannes Beckers, Hans Demmelmair, Carmen López-Sabater, Berthold Koletzko, Susanne Krauss-Etschmann, Cristina Campoy
Maternal obesity has a major impact on pregnancy outcomes. There is growing evidence that maternal obesity has a negative influence on placental development and function, thereby adversely influencing offspring programming and health outcomes. However, the molecular mechanisms underlying these processes are poorly understood. We analysed ten term placenta's whole transcriptomes in obese (n = 5) and normal weight women (n = 5), using the Affymetrix microarray platform. Analyses of expression data were carried out using non-parametric methods...
2017: PloS One
https://www.readbyqxmd.com/read/28122331/integrative-mirna-and-mrna-analysis-in-penile-carcinomas-reveals-markers-and-pathways-with-potential-clinical-impact
#17
Hellen Kuasne, Mateus C Barros-Filho, Ariane Busso-Lopes, Fábio A Marchi, Maisa Pinheiro, Juan J M Muñoz, Cristovam Scapulatempo-Neto, Eliney F Faria, Gustavo C Guimarães, Ademar Lopes, José C S Trindade-Filho, Maria Aparecida C Domingues, Sandra A Drigo, Silvia R Rogatto
Penile carcinoma (PeCa) is an important public health issue in poor and developing countries, and has only recently been explored in terms of genetic and epigenetic studies. Integrative data analysis is a powerful method for the identification of molecular drivers involved in cancer development and progression. miRNA and mRNA expression profiles followed by integrative analysis were investigated in 23 PeCa and 12 non-neoplastic penile tissues (NPT). Expression levels of eight miRNAs and 10 mRNAs were evaluated in the same set of samples used for microarray and in a validation set of cases (PeCa = 36; NPT = 27)...
February 28, 2017: Oncotarget
https://www.readbyqxmd.com/read/28100167/conserved-gene-expression-in-sperm-reservoirs-between-birds-and-mammals-in-response-to-mating
#18
Mohammad Atikuzzaman, Manuel Alvarez-Rodriguez, Alejandro Vicente Carrillo, Martin Johnsson, Dominic Wright, Heriberto Rodriguez-Martinez
BACKGROUND: Spermatozoa are stored in the oviductal functional sperm reservoir in animals with internal fertilization, including zoologically distant classes such as pigs or poultry. They are held fertile in the reservoir for times ranging from a couple of days (in pigs), to several weeks (in chickens), before they are gradually released to fertilize the newly ovulated eggs. It is currently unknown whether females from these species share conserved mechanisms to tolerate such a lengthy presence of immunologically-foreign spermatozoa...
January 18, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28098914/role-of-mir-647-in-human-gastric-cancer-suppression
#19
Wenlong Cao, Weiyuan Wei, Zexu Zhan, Dongyi Xie, Yubo Xie, Qiang Xiao
MicroRNAs (miRNAs) regulate various oncogenes concomitantly, resulting in tumor suppression. They regulate proliferation and migration pathways in tumor development, suggesting a potential therapeutic role. In the present study, we found that miR-647 was markedly downregulated in gastric cancer (GC), and was significantly correlated with reduced tumor size and metastasis. In addition, miR-647 was also reduced in GC cell lines. Furthermore, overexpression of miR-647 in the GC cell lines inhibited cell proliferation, promoted cell cycle arrest at the G0/G1 phase and induced cell apoptosis...
March 2017: Oncology Reports
https://www.readbyqxmd.com/read/27989982/meta-analysis-of-microarray-based-expression-profiles-to-identify-differentially-expressed-genes-in-intracranial-aneurysms
#20
Zhe Xu, Hao Li, Jiangman Song, Bing Han, Zheng Wang, Yong Cao, Shuo Wang, Jizong Zhao
OBJECTIVE: To gain comprehensive insight into the molecular mechanism of formation and rupture of intracranial aneurysms (IAs). METHODS: All publicly accessible microarray-based whole-genome gene expression profiles on IAs were retrieved. The significance analysis of microarrays method was applied to identify differentially expressed genes (DEGs). Functional annotation was performed using gene ontology terms and Kyoto Encyclopedia of Genes and Genomes pathway enrichment analyses...
January 2017: World Neurosurgery
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