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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/27913816/genetic-ablation-or-pharmacologic-inhibition-of-autophagy-mitigated-nsaid-associated-gastric-damages
#1
Chan Young Ock, Jong-Min Park, Young-Min Han, Migyeong Jeong, Mi-Young Kim, Ho Jae Lee, Ki Baik Hahm
: Non-steroidal anti-inflammatory drug (NSAID)-associated endoplasmic reticulum (ER) stress (a cyclooxygenase-2-independent mechanism) and consequent autophagic cell death are responsible for NSAID-associated gastric damage. Therefore, alleviating cytotoxicity executed via ER stress and autophagy can be a strategy to prevent NSAID-associated gastric damage. Here, we explored whether genetic or pharmacologic inhibition of autophagy can mitigate NSAID-associated gastric damage in in vitro and in vivo models...
December 2, 2016: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/27900395/microbiome-and-metabolic-disease-revisiting-the-bacterial-phylum-bacteroidetes
#2
REVIEW
Elizabeth L Johnson, Stacey L Heaver, William A Walters, Ruth E Ley
Bacterial species composition in the gut has emerged as an important factor in obesity and its related metabolic diseases such as type 2 diabetes. Out of thousands of bacterial species-level phylotypes inhabiting the human gut, the majority belong to two dominant phyla, the Bacteroidetes and Firmicutes. Members of the Bacteroidetes in particular have been associated with human metabolic diseases. However, their associations with disease are not always consistent between studies. Delving deeper into the diversity within the Bacteroidetes reveals a vast diversity in genomes and capacities, which partly explain how not all members respond equally to similar environmental conditions in their hosts...
November 29, 2016: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/27889803/reducing-rbm20-activity-improves-diastolic-dysfunction-and-cardiac-atrophy
#3
Florian Hinze, Christoph Dieterich, Michael H Radke, Henk Granzier, Michael Gotthardt
: Impaired diastolic filling is a main contributor to heart failure with preserved ejection fraction (HFpEF), a syndrome with increasing prevalence and no treatment. Both collagen and the giant sarcomeric protein titin determine diastolic function. Since titin's elastic properties can be adjusted physiologically, we evaluated titin-based stiffness as a therapeutic target. We adjusted RBM20-dependent cardiac isoform expression in the titin N2B knockout mouse with increased ventricular stiffness...
November 26, 2016: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/27888289/epigenetic-synergism-between-interleukin-4-and-aryl-hydrocarbon-receptor-in-human-macrophages
#4
Wei-Ting Liao, Jian-He Lu, Wei-Ting Wang, Chih-Hsing Hung, Chau-Chyun Sheu, Shau-Ku Huang
: The aryl hydrocarbon receptor (AhR)-ligand axis is involved in immune regulation, but its molecular basis remains to be fully elucidated. Chemokine (C-C motif) ligand 1 (CCL1) is an important chemoattractant, but how CCL1 is regulated remains to be defined. The role of AhR in regulating CCL1 expression in two major subsets of macrophage was investigated. We used a human THP-1 cell line, monocytes, and mouse peritoneal macrophages to generate M(IFN-γ/LPS) and M(IL-4) subsets, and the AhR's ligand effect was determined by the use of a combination of chromatin immunoprecipitation, PCR, and ELISA...
November 25, 2016: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/27858116/host-microbiome-interactions-the-aryl-hydrocarbon-receptor-and-the-central-nervous-system
#5
REVIEW
Hae Ung Lee, Zachary E McPherson, Bryan Tan, Agata Korecka, Sven Pettersson
The microbiome located within a given host and its organs forms a holobiont, an intimate functional entity with evolutionarily designed interactions to support nutritional intake and reproduction. Thus, all organs in a holobiont respond to changes within the microbiome. The development and function of the central nervous system and its homeostatic mechanisms are no exception and are also subject to regulation by the gut microbiome. In order for the holobiont to function effectively, the microbiome and host must communicate...
November 17, 2016: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/27847966/therapeutic-potential-of-pro-angiogenic-bpc157-is-associated-with-vegfr2-activation-and-up-regulation
#6
Ming-Jer Hsieh, Hsien-Ta Liu, Chao-Nin Wang, Hsiu-Yun Huang, Yuling Lin, Yu-Shien Ko, Jong-Shyan Wang, Vincent Hung-Shu Chang, Jong-Hwei S Pang
: BPC 157, a pentadecapeptide with extensive healing effects, has recently been suggested to contribute to angiogenesis. However, the underlying mechanism is not yet clear. The present study aimed to explore the potential therapeutic effect and pro-angiogenic mechanism of BPC 157. As demonstrated by the chick chorioallantoic membrane (CAM) assay and endothelial tube formation assay, BPC 157 could increase the vessel density both in vivo and in vitro, respectively. BPC 157 could also accelerate the recovery of blood flow in the ischemic muscle of the rat hind limb as detected by laser Doppler scanning, indicating the promotion of angiogenesis...
November 15, 2016: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/27847965/aptamers-novel-diagnostic-and-therapeutic-tools-for-diabetes-mellitus-and-metabolic-diseases
#7
REVIEW
Jingping Hu, Mao Ye, Zhiguang Zhou
Diabetes mellitus is one of the most common chronic diseases that threatens human health in worldwide populations. Despite enormous efforts invested in the study of diabetes mellitus, the development of precise diagnoses and treatments for this disease remains difficult due to the limitations of current techniques. Therefore, new methods are currently being developed. Aptamers are oligonucleotides that bind to specific target molecules and have been widely applied as diagnostic and therapeutic tools. In recent years, aptamers have been utilized in the study of diabetes mellitus and metabolic diseases...
November 15, 2016: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/27838742/delicaflavone-induces-autophagic-cell-death-in-lung-cancer-via-akt-mtor-p70s6k-signaling-pathway
#8
Yuxia Sui, Hong Yao, Shaoguang Li, Long Jin, Peiying Shi, Zhijun Li, Gang Wang, Shilan Lin, Youjia Wu, Yuxiang Li, Liying Huang, Qicai Liu, Xinhua Lin
: Searching for potential anticancer agents from natural sources is an effective strategy for developing novel chemotherapeutic agents. In this study, data supporting the in vitro and in vivo anticancer effects of delicaflavone, a rarely occurring biflavonoid from Selaginella doederleinii, were reported. Delicaflavone exhibited favorable anticancer properties, as shown by the MTT assay and xenograft model of human non-small cell lung cancer in male BALB/c nude mice without observable adverse effect...
November 12, 2016: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/27837218/detailed-molecular-characterization-of-a-novel-ids-exonic-mutation-associated-with-multiple-pseudoexon-activation
#9
L Grodecká, T Kováčová, M Kramárek, S Seneca, K Stouffs, C De Laet, F Majer, T Kršjaková, P Hujová, K Hrnčířová, P Souček, W Lissens, E Buratti, Tomas Freiberger
: Mutations affecting splicing underlie the development of many human genetic diseases, but rather rarely through mechanisms of pseudoexon activation. Here, we describe a novel c.1092T>A mutation in the iduronate-2-sulfatase (IDS) gene detected in a patient with significantly decreased IDS activity and a clinical diagnosis of mild mucopolysaccharidosis II form. The mutation created an exonic de novo acceptor splice site and resulted in a complex splicing pattern with multiple pseudoexon activation in the patient's fibroblasts...
November 12, 2016: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/27830276/could-licorice-lick-inflammasomes
#10
EDITORIAL
Friedrich C Luft
No abstract text is available yet for this article.
November 9, 2016: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/27783111/contribution-of-redox-dependent-activation-of-endothelial-nlrp3-inflammasomes-to-hyperglycemia-induced-endothelial-dysfunction
#11
Yang Chen, Lei Wang, Ashley L Pitzer, Xiang Li, Pin-Lan Li, Yang Zhang
: Recent studies indicate that inflammasomes serve as intracellular machinery to initiate classical cytokine-mediated inflammatory responses and play a crucial role in the pathogenesis of cardiovascular diseases. However, whether or not the activation of endothelial inflammasomes directly causes cell dysfunction or tissue injury without recruitment of inflammatory cells is unknown. We explored the role of endothelial cell inflammasome activation in mediating tight junction disruption, a hallmark event of endothelial barrier dysfunction leading to endothelial hyperpermeability in diabetes...
October 25, 2016: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/27766372/translational-metagenomics-and-the-human-resistome-confronting-the-menace-of-the-new-millennium
#12
Matthias Willmann, Silke Peter
The increasing threat of antimicrobial resistance poses one of the greatest challenges to modern medicine. The collection of all antimicrobial resistance genes carried by various microorganisms in the human body is called the human resistome and represents the source of resistance in pathogens that can eventually cause life-threatening and untreatable infections. A deep understanding of the human resistome and its multilateral interaction with various environments is necessary for developing proper measures that can efficiently reduce the spread of resistance...
October 20, 2016: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/27738746/adipose-hif-1%C3%AE-causes-obesity-by-suppressing-brown-adipose-tissue-thermogenesis
#13
Jonathan C Jun, Ronald Devera, Dileep Unnikrishnan, Mi-Kyung Shin, Shannon Bevans-Fonti, Qiaoling Yao, Aman Rathore, Haris Younas, Nils Halberg, Philipp E Scherer, Vsevolod Y Polotsky
: Hypoxia-inducible factor-1α (HIF-1α) in adipose tissue is known to promote obesity. We hypothesized that HIF-1α interferes with brown fat thermogenesis, thus decreasing energy expenditure. To test this hypothesis, we compared transgenic mice constitutively expressing HIF-1α in adipose tissues (HIF-1α++) at usual temperature (22 °C), where brown fat is somewhat active, or at thermoneutrality (30 °C), where brown fat is minimally active. HIF-1α++ mice or control litter mates were separated into room temperature (22 °C) or thermoneutrality (30 °C) groups...
October 14, 2016: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/27709267/timap-repression-by-tgf%C3%AE-and-hdac3-associated-smad-signaling-regulates-macrophage-m2-phenotypic-phagocytosis
#14
Jun Yang, Shasha Yin, Fangfang Bi, Lin Liu, Tian Qin, Hongwei Wang, Wangsen Cao
: TIMAP (TGFβ-inhibited membrane-associated protein) is an endothelium-enriched TGFβ downstream protein and structurally belongs to the targeting subunit of myosin phosphatase; however, the mechanism of TGFβ repressing TIMAP and its functional relevance to TGFβ bioactivity remain largely unknown. Here, we report that TIMAP is reduced in TGFβ-elevated mouse fibrotic kidney and highly expressed in macrophages. TGFβ repression of TIMAP is associated with HDAC3 upregulation and its recruitment by Smad2/3 at the Smad binding element on TIMAP promoter, whereas specific HDAC3 inhibition reversed the TIMAP repression, suggesting that TGFβ transcriptionally downregulates TIMAP through HDAC3-associated Smad signaling...
October 6, 2016: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/27709266/nicotine-protects-against-dss-colitis-through-regulating-microrna-124-and-stat3
#15
Zhen Qin, Jing-Jing Wan, Yang Sun, Tingyu Wu, Peng-Yuan Wang, Peng Du, Ding-Feng Su, Yili Yang, Xia Liu
: Although it is generally believed that nicotine accounts for the beneficial effect of smoking on ulcerative colitis, the underlying mechanisms remain not well understood. Our previous finding that nicotine inhibits inflammatory responses through inducing miR-124 prompted us to ask whether the miRNA is involved in the protective action of nicotine against UC. Our present study found that miR-124 expression is upregulated in colon tissues from UC patients and DSS colitis mice. Nicotine treatment further augmented miR-124 expression in lymphocytes isolated from human ulcerative colonic mucosa and ulcerative colon tissues from DSS mice, both in infiltrated lymphocytes and epithelial cells...
October 5, 2016: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/27695879/cyclin-d1-cancer-progression-and-opportunities-in-cancer-treatment
#16
Shuo Qie, J Alan Diehl
Mammalian cells encode three D cyclins (D1, D2, and D3) that coordinately function as allosteric regulators of cyclin-dependent kinase 4 (CDK4) and CDK6 to regulate cell cycle transition from G1 to S phase. Cyclin expression, accumulation, and degradation, as well as assembly and activation of CDK4/CDK6 are governed by growth factor stimulation. Cyclin D1 is more frequently dysregulated than cyclin D2 or D3 in human cancers, and as such, it has been more extensively characterized. Overexpression of cyclin D1 results in dysregulated CDK activity, rapid cell growth under conditions of restricted mitogenic signaling, bypass of key cellular checkpoints, and ultimately, neoplastic growth...
October 2, 2016: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/27678528/fgf21-activates-ampk-signaling-impact-on-metabolic-regulation-and-the-aging-process
#17
Antero Salminen, Anu Kauppinen, Kai Kaarniranta
Fibroblast growth factor 21 (FGF21) has a significant role in the regulation of energy metabolism, e.g., in the control of systemic glucose and lipid metabolism. For instance, FGF21 enhances insulin sensitivity, increases glucose uptake, and thus can decrease serum hyperglycemia, while it also increases lipid oxidation and inhibits lipogenesis. AMP-activated protein kinase (AMPK) is a tissue energy sensor involved in maintaining the energy balance and tissue integrity. It is known that AMPK signaling generates an energy metabolic profile which displays a remarkable overlap with that of FGF21...
September 27, 2016: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/27654967/erratum-to-the-rho-kinase-inhibitor-fasudil-ameliorates-diabetes-induced-cardiac-dysfunction-by-improving-calcium-clearance-and-actin-remodeling
#18
Dongwu Lai, Jing Gao, Xukun Bi, Hong He, Xiaolu Shi, Shaoxiang Weng, Yu Chen, Ying Yang, Yang Ye, Guosheng Fu
No abstract text is available yet for this article.
September 22, 2016: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/27639584/interaction-between-gut-microbiota-and-toll-like-receptor-from-immunity-to-metabolism
#19
Jensen H C Yiu, Bernhard Dorweiler, Connie W Woo
The human gut contains trillions of commensal bacteria, and similar to pathogenic bacteria, the gut microbes and their products can be recognized by toll-like receptors (TLRs). It is well acknowledged that the interaction between gut microbiota and the local TLRs help to maintain the homeostasis of intestinal immunity. High-fat intake or obesity can weaken gut integrity leading to the penetration of gut microbiota or their bacterial products into the circulation, leading to the activation of TLRs on immune cells and subsequently low-grade systemic inflammation in host...
September 17, 2016: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/27638341/diverse-impact-of-xeno-free-conditions-on-biological-and-regenerative-properties-of-huc-mscs-and-their-extracellular-vesicles
#20
Sylwia Bobis-Wozowicz, Katarzyna Kmiotek, Karolina Kania, Elzbieta Karnas, Anna Labedz-Maslowska, Malgorzata Sekula, Sylwia Kedracka-Krok, Jacek Kolcz, Dariusz Boruczkowski, Zbigniew Madeja, Ewa K Zuba-Surma
: Growing evidence indicates that intracellular signaling mediated by extracellular vesicles (EVs) released by stem cells plays a considerable role in triggering the regenerative program upon transplantation. EVs from umbilical cord mesenchymal stem cells (UC-MSC-EVs) have been shown to enhance tissue repair in animal models. However, translating such results into clinical practice requires optimized EV collection procedures devoid of animal-originating agents. Thus, in this study, we analyzed the influence of xeno-free expansion media on biological properties of UC-MSCs and UC-MSC-EVs for future applications in cardiac repair in humans...
September 16, 2016: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
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