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Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"

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https://www.readbyqxmd.com/read/28929255/carbonic-anhydrase-ix-inhibition-affects-viability-of-cancer-cells-adapted-to-extracellular-acidosis
#1
Elena Andreucci, Silvia Peppicelli, Fabrizio Carta, Giulia Brisotto, Eva Biscontin, Jessica Ruzzolini, Francesca Bianchini, Alessio Biagioni, Claudiu T Supuran, Lido Calorini
Among the players of the adaptive response of cancer cells able to promote a resistant and aggressive phenotype, carbonic anhydrase IX (CAIX) recently has emerged as one of the most relevant drug targets. Indeed, CAIX targeting has received a lot of interest, and selective inhibitors are currently under clinical trials. Hypoxia has been identified as the master inductor of CAIX, but, to date, very few is known about the influence that another important characteristic of tumor microenvironment, i.e., extracellular acidosis, exerts on CAIX expression and activity...
September 19, 2017: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/28889177/a-15-amino-acid-c-terminal-peptide-of-beta-defensin-3-inhibits-bone-resorption-by-inhibiting-the-osteoclast-differentiation-and-disrupting-podosome-belt-formation
#2
Ok-Jin Park, Jiseon Kim, Ki Bum Ahn, Jue Yeon Lee, Yoon-Jeong Park, Kee-Yeon Kum, Cheol-Heui Yun, Seung Hyun Han
Human beta-defensin-3 (HBD3), which is secreted from cells in the skin, salivary gland, and bone marrow, exhibits antimicrobial and immunomodulatory activities. Its C-terminal end contains a 15-amino acid polypeptide (HBD3-C15) that is known to effectively elicit antimicrobial activity. Recently, certain antimicrobial peptides are known to inhibit osteoclast differentiation and, thus, we investigated whether HBD3-C15 hinders osteoclast differentiation and bone destruction to assess its potential use as an anti-bone resorption agent...
September 9, 2017: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/28887637/epigenetic-regulation-in-cell-senescence
#3
REVIEW
Li-Qin Cheng, Zhu-Qin Zhang, Hou-Zao Chen, De-Pei Liu
Cell senescence, which is an irreversible state of cell proliferative arrest, has emerged as a potentially important contributor to tissue dysfunction and organismal ageing. Cell senescence is triggered by a variety of senescence stressors, which affect gene expression and multiple signalling pathways that give rise to various senescence phenotypes. Epigenetic mechanisms, as critical regulators of chromosomal architecture and gene expression, have added an extra dimension to the molecular mechanisms of cell senescence...
September 8, 2017: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/28884332/subchondral-mesenchymal-stem-cells-from-osteoarthritic-knees-display-high-osteogenic-differentiation-capacity-through-microrna-29a-regulation-of-hdac4
#4
Wei-Shiung Lian, Ren-Wen Wu, Mel S Lee, Yu-Shan Chen, Yi-Chih Sun, Shing-Long Wu, Huei-Jing Ke, Jih-Yang Ko, Feng-Sheng Wang
Subchondral bone deterioration and osteophyte formation attributable to excessive mineralization are prominent features of end-stage knee osteoarthritis (OA). The cellular events underlying subchondral integrity diminishment remained elusive. This study was undertaken to characterize subchondral mesenchymal stem cells (SMSCs) isolated from patients with end-stage knee OA who required total knee arthroplasty. The SMSCs expressed surface antigens CD29, CD44, CD73, CD90, CD105, and CD166 and lacked CD31, CD45, and MHCII expression...
September 7, 2017: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/28879509/il26-modulates-cytokine-response-and-anti-tnf-consumption-in-crohn-s-disease-patients-with-bacterial-dna
#5
Paula Piñero, Oriol Juanola, Ana Gutiérrez, Pedro Zapater, Paula Giménez, Anna Steinert, Laura Sempere, José M González-Navajas, Jan H Niess, Rubén Francés
Interleukin IL26 supports killing of microbes and the innate sensing of bacterial-derived DNA (bactDNA). We evaluated the relationship between IL26 serum levels and bactDNA translocation in Crohn's disease (CD). We ran a prospective study on CD patients in remission. IL26 common polymorphisms, serum cytokines and complement protein, amplified-bactDNA, and anti-TNF-α were evaluated. In vitro PBMC analysis was performed. Three hundred and thirteen patients were included (mean CDAI: 83.6 ± 32.8; mean fecal calprotectin: 55...
September 6, 2017: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/28871446/mechanisms-and-clinical-implications-of-tumor-heterogeneity-and-convergence-on-recurrent-phenotypes
#6
REVIEW
Jasmine A McQuerry, Jeffrey T Chang, David D L Bowtell, Adam Cohen, Andrea H Bild
Tumor heterogeneity has been identified at various -omic levels. The tumor genome, transcriptome, proteome, and phenome can vary widely across cells in patient tumors and are influenced by tumor cell interactions with heterogeneous physical conditions and cellular components of the tumor microenvironment. Here, we explore the concept that while variation exists at multiple -omic levels, changes at each of these levels converge on the same pathways and lead to convergent phenotypes in tumors that can provide common drug targets...
September 4, 2017: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/28864835/neat1-accelerates-the-progression-of-liver-fibrosis-via-regulation-of-microrna-122-and-kruppel-like-factor-6
#7
Fujun Yu, Zhe Jiang, Bicheng Chen, Peihong Dong, Jianjian Zheng
Long non-coding RNAs (lncRNAs) have been reported to be involved in many important biological processes including proliferation, apoptosis, differentiation, and survival. Recently, nuclear paraspeckle assembly transcript 1 (NEAT1), a novel lncRNA, serves as a crucial regulator in tumors. However, the biological role of NEAT1 in liver fibrosis is largely unknown. In this study, the role of NEAT1 was explored in primary mouse hepatic stellate cells (HSCs) and carbon tetrachloride (CCl4)-induced mouse liver fibrosis models...
September 1, 2017: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/28856378/erratum-to-disruption-of-mindin-exacerbates-cardiac-hypertrophy-and-fibrosis
#8
Zhou-Yan Bian, Xiang Wei, Shan Deng, Qi-Zhu Tang, Jinghua Feng, Yan Zhang, Chen Liu, Ding-Sheng Jiang, Ling Yan, Lian-Feng Zhang, Manyin Chen, John Fassett, Yingjie Chen, You-Wen He, Qinglin Yang, Peter P Liu, Hongliang Li
No abstract text is available yet for this article.
August 30, 2017: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/28844103/the-mla-pathway-is-critical-for-pseudomonas-aeruginosa-resistance-to-outer-membrane-permeabilization-and-host-innate-immune-clearance
#9
Jason Munguia, Doris L LaRock, Hannah Tsunemoto, Joshua Olson, Ingrid Cornax, Joseph Pogliano, Victor Nizet
Pseudomonas aeruginosa is an important opportunistic pathogen that has become a serious problem due to increased rates of antibiotic resistance. Due to this along with a dearth in novel antibiotic development, especially against Gram-negative pathogens, new therapeutic strategies are needed to prevent a post-antibiotic era. Here, we describe the importance of the vacJ/Mla pathway in resisting bactericidal actions of the host innate immune response. P. aeruginosa tn5 transposon mutants in genes from the VacJ/Mla pathway showed increased susceptibility to killing by the host cathelicidin antimicrobial peptide, LL-37, when compared to the wild-type parent strain...
August 26, 2017: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/28844099/epigenetic-silencing-of-prss3-provides-growth-and-metastasis-advantage-for-human-hepatocellular-carcinoma
#10
Bonan Lin, Xiaomeng Zhou, Shuye Lin, Xiaoyue Wang, Meiying Zhang, Baoping Cao, Yan Dong, Shuai Yang, Ji Ming Wang, Mingzhou Guo, Jiaqiang Huang
Protease, serine, 3 (PRSS3), a member of the trypsin family of serine proteases, has been shown to be aberrantly expressed in several cancer types and to play important roles in tumor progression and metastasis. However, the expression and function of PRSS3 gene in hepatocellular carcinoma (HCC) remain unclear. Here we found that PRSS3 expression was decreased in human HCC cell lines and HCC surgical specimens. This was associated with intragenic methylation of PRSS3 gene. Treatment with DNA methyltransferase inhibitor 5-aza-2'-deoxycytidine and/or histone deacetylase inhibitor trichostatin A restored PRSS3 expression in HCC cell lines...
August 26, 2017: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/28842720/a-map-of-human-circular-rnas-in-clinically-relevant-tissues
#11
Philipp G Maass, Petar Glažar, Sebastian Memczak, Gunnar Dittmar, Irene Hollfinger, Luisa Schreyer, Aisha V Sauer, Okan Toka, Alessandro Aiuti, Friedrich C Luft, Nikolaus Rajewsky
Cellular circular RNAs (circRNAs) are generated by head-to-tail splicing and are present in all multicellular organisms studied so far. Recently, circRNAs have emerged as a large class of RNA which can function as post-transcriptional regulators. It has also been shown that many circRNAs are tissue- and stage-specifically expressed. Moreover, the unusual stability and expression specificity make circRNAs important candidates for clinical biomarker research. Here, we present a circRNA expression resource of 20 human tissues highly relevant to disease-related research: vascular smooth muscle cells (VSMCs), human umbilical vein cells (HUVECs), artery endothelial cells (HUAECs), atrium, vena cava, neutrophils, platelets, cerebral cortex, placenta, and samples from mesenchymal stem cell differentiation...
August 25, 2017: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/28840260/mir-217-casein-kinase-2-cross-talk-regulates-erk-activation-in-ganglioglioma
#12
Atreye Majumdar, Fahim Ahmad, Touseef Sheikh, Reshma Bhagat, Pankaj Pathak, Shanker Datt Joshi, Pankaj Seth, Vivek Tandon, Manjari Tripathi, P Saratchandra, Chitra Sarkar, Ellora Sen
Gangliogliomas (GGs) are the most commonly diagnosed long-term epilepsy-associated tumors (LEATs). Although molecular characterizations of brain tumors have identified few novel biomarkers among the LEATs, mechanisms of pathogenesis remain poorly understood. In this study, global microarray-based microRNA (miRNA) expression profile on a set of 9 GGs indicated 66 miRNAs to be differentially expressed in GG as compared to normal brain. The differences validated by qRT-PCR indicated microRNA-217 to be the most downregulated...
August 25, 2017: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/28831511/far-infrared-promotes-wound-healing-through-activation-of-notch1-signaling
#13
Yung-Ho Hsu, Yuan-Feng Lin, Cheng-Hsien Chen, Yu-Jhe Chiu, Hui-Wen Chiu
The Notch signaling pathway is critically involved in cell proliferation, differentiation, development, and homeostasis. Far infrared (FIR) has an effect that promotes wound healing. However, the underlying molecular mechanisms are unclear. In the present study, we employed in vivo and HaCaT (a human skin keratinocyte cell line) models to elucidate the role of Notch1 signaling in FIR-promoted wound healing. We found that FIR enhanced keratinocyte migration and proliferation. FIR induced the Notch1 signaling pathway in HaCaT cells and in a microarray dataset from the Gene Expression Omnibus database...
August 22, 2017: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/28831504/cystic-fibrosis-the-conductance-regulator-ceramides-and-possible-treatments
#14
EDITORIAL
Friedrich C Luft
No abstract text is available yet for this article.
August 22, 2017: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/28801844/brg1-inhibits-e-cadherin-expression-in-lung-epithelial-cells-and-disrupts-epithelial-integrity
#15
Ting Wang, Wenjing Zou, Chao Niu, Fengxia Ding, Yaping Wang, Shuang Cai, Hua Zhu, Daiyin Tian, Jihong Dai, Enmei Liu, Qing Lu, Zhou Fu, Lin Zou
Brahma-related gene-1 (Brg1), a key chromatin remodeling factor, is associated with cell proliferation and migration in kidney and heart cells, but few reports have examined its role in airway epithelial cell. Airway epithelial injury, which is involved in the entire pathological process of asthma, is an important cause of recurrent asthma. Here, we studied the function of Brg1 in an ovalbumin (OVA)-induced asthma model (lung-specific conditional Brg1 (Brg1(-/-)) knockdown mice) and human bronchial epithelial 16HBE cells stably expressing Brg1 shRNA...
August 11, 2017: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/28791438/vps52-induces-apoptosis-via-cathepsin-d-in-gastric-cancer
#16
Jian Zhang, Ying Lin, Xichun Hu, Zheng Wu, Weijian Guo
Vacuolar protein sorting (VPS) genes encode a class of proteins involved in vesicular trafficking. Growing evidence suggests that VPS proteins play roles in tumor biology. Vacuolar protein sorting 52 (VPS52) is involved in retrograde transport of endosomes, and its roles in cancers have not been explored. This study investigated the genetic alterations, protein changes, biological role, and molecular mechanism of VPS52 in gastric cancer. Loss of heterozygosity of VPS52 was detected in 52.9% (9/17) of gastric cancer samples...
August 8, 2017: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/28785870/mechanisms-of-foam-cell-formation-in-atherosclerosis
#17
REVIEW
Dimitry A Chistiakov, Alexandra A Melnichenko, Veronika A Myasoedova, Andrey V Grechko, Alexander N Orekhov
Low-density lipoprotein (LDL) and cholesterol homeostasis in the peripheral blood is maintained by specialized cells, such as macrophages. Macrophages express a variety of scavenger receptors (SR) that interact with lipoproteins, including SR-A1, CD36, and lectin-like oxLDL receptor-1 (LOX-1). These cells also have several cholesterol transporters, including ATP-binding cassette transporter ABCA1, ABCG1, and SR-BI, that are involved in reverse cholesterol transport. Lipids internalized by phagocytosis are transported to late endosomes/lysosomes, where lysosomal acid lipase (LAL) digests cholesteryl esters releasing free cholesterol...
August 7, 2017: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/28782084/brain-perivascular-macrophages-characterization-and-functional-roles-in-health-and-disease
#18
REVIEW
Giuseppe Faraco, Laibaik Park, Josef Anrather, Costantino Iadecola
Perivascular macrophages (PVM) are a distinct population of resident brain macrophages characterized by a close association with the cerebral vasculature. PVM migrate from the yolk sac into the brain early in development and, like microglia, are likely to be a self-renewing cell population that, in the normal state, is not replenished by circulating monocytes. Increasing evidence implicates PVM in several disease processes, ranging from brain infections and immune activation to regulation of the hypothalamic-adrenal axis and neurovascular-neurocognitive dysfunction in the setting of hypertension, Alzheimer disease pathology, or obesity...
August 7, 2017: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/28780611/novel-therapeutic-concepts-for-inflammatory-bowel-disease-from-bench-to-bedside
#19
EDITORIAL
Viola Neudecker, Sean P Colgan, Holger K Eltzschig
No abstract text is available yet for this article.
August 5, 2017: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/28748390/mir-27b-3p-mir-181a-1-3p-and-mir-326-5p-are%C3%A2-involved-in-the-inhibition-of-macrophage-activation-in-chronic-liver-injury
#20
Weiyang Li, Na Chang, Lei Tian, Jingjing Yang, Xiaofang Ji, Jieshi Xie, Lin Yang, Liying Li
Macrophages are central players in inflammation, which leads to liver injury. It has been reported that continuous macrophage activation initiates this process. Our previous data show that the anti-inflammatory factor, 15-deoxy-Δ(12, 14)-prostaglandin J2 (15d-PGJ2), inhibits bone marrow (BM)-derived macrophage (BMM) migration and inflammatory cytokine production. However, the underlying mechanism of 15d-PGJ2 inhibited BMM activation is still unclear. Here, we evaluate the role of 15d-PGJ2/PPARγ axis in BMM activation...
July 26, 2017: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
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