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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/29349500/exogenous-h2s-switches-cardiac-energy-substrate-metabolism-by-regulating-sirt3-expression-in-db-db-mice
#1
Yu Sun, Zhiliang Tian, Ning Liu, Linxue Zhang, Zhaopeng Gao, Xiaojiao Sun, Miao Yu, Jichao Wu, Fan Yang, Yajun Zhao, Huan Ren, He Chen, Dechao Zhao, Yan Wang, Shiyun Dong, Changqing Xu, Fanghao Lu, Weihua Zhang
Hydrogen sulfide (H2S) is involved in diverse physiological functions, such as anti-hypertension, anti-proliferation, regulating ATP synthesis, and reactive oxygen species production. Sirtuin 3 (SIRT3) is a NAD + -dependent deacetylase that regulates mitochondrial energy metabolism. The role of H2S in energy metabolism in diabetic cardiomyopathy (DCM) may be related to regulate SIRT3 expression; however, this role remains to be elucidated. We hypothesized that exogenous H2S could switch cardiac energy metabolic substrate preference by lysine acetylation through promoting the expression of SIRT3 in cardiac tissue of db/db mice...
January 19, 2018: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/29327067/overexpression-of-nogo-receptor-3-ngr3-correlates-with-poor-prognosis-and-contributes-to-the-migration-of-epithelial-cells-of-nasopharyngeal-carcinoma-patients
#2
Jiang-Yi He, Ping Han, Yu Zhang, Yong-Dong Liu, Shi-Jian Song, Guo-Kai Feng, Yu An, Ai-Jun Zhou, Hong-Bo Wang, Li Yuan, Zhi-Rui Lin, Tian-Liang Xia, Man-Zhi Li, Yan-Min Liu, Xiao-Ming Huang, Hua Zhang, Qian Zhong
Lymph node metastasis (N classification) is one of the most important prognostic factors of nasopharyngeal carcinoma (NPC), and nerve involvement is associated with the transition of the N category in NPC patients. Although the nervous system has been reported to participate in many types of cancer progression, its functions in NPC progression remains unknown. Through analysis of gene profiling data, we demonstrate an enrichment of genes associated with neuronal development and differentiation in NPC tissues and cell lines...
January 11, 2018: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/29313063/using-gene-expression-data-to-direct-breast-cancer-therapy-evidence-from-a-preclinical-trial
#3
REVIEW
Shams Reaz, Deimante Tamkus, Eran R Andrechek
The heterogeneity both within and between breast cancers presents a significant clinical challenge for both diagnosis and therapy. This heterogeneity is present at all levels of analysis in breast cancer, ranging from genomic to metabolomic. A function of this heterogeneity is that numerous signaling networks are activated, and while treatment of one arm may be initially effective, this allows the tumor to be poised to evolve a resistance mechanism. Here we review the classification of breast cancers and discuss therapy of hormone positive, HER2 positive, and triple negative breast cancers...
January 8, 2018: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/29302700/immunization-with-an-adenovirus-vectored-tb-vaccine-containing-ag85a-mtb32-effectively-alleviates-allergic-asthma
#4
Yiling Zhang, Ying Feng, Liang Li, Xianmiao Ye, Jinlin Wang, Qian Wang, Pingchao Li, Na Li, Xuehua Zheng, Xiang Gao, Chufang Li, Feng Li, Baoqing Sun, Kefang Lai, Zhong Su, Nanshan Zhong, Ling Chen, Liqiang Feng
Current treatments for allergic asthma primarily ameliorate symptoms rather than inhibit disease progression. Regulating the excessive T helper type 2 (Th2) responses may prevent asthma exacerbation. In this study, we investigated the protective effects of Ad5-gsgAM, an adenovirus vector carrying two mycobacterial antigens Ag85A and Mtb32, against allergic asthma. Using an ovalbumin (OVA)-induced asthmatic mouse model, we found that Ad5-gsgAM elicited much more Th1-biased CD4+T and CD8+T cells than bacillus Calmette-Guérin (BCG)...
January 4, 2018: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/29290032/foxm1-promotes-pulmonary-artery-smooth-muscle-cell-expansion-in-pulmonary-arterial-hypertension
#5
Alice Bourgeois, Caroline Lambert, Karima Habbout, Benoit Ranchoux, Stéphanie Paquet-Marceau, Isabelle Trinh, Sandra Breuils-Bonnet, Renée Paradis, Valérie Nadeau, Roxane Paulin, Steeve Provencher, Sébastien Bonnet, Olivier Boucherat
Pulmonary arterial hypertension (PAH) is a progressive vascular remodeling disease characterized by a persistent elevation of pulmonary artery pressure, leading to right heart failure and premature death. Exaggerated proliferation and resistance to apoptosis of pulmonary artery smooth muscle cells (PASMCs) is a key component of vascular remodeling. Despite major advances in the field, current therapies for PAH remain poorly effective in reversing the disease or significantly improving long-term survival. Because the transcription factor FOXM1 is necessary for PASMC proliferation during lung morphogenesis and its overexpression stimulates proliferation and evasion of apoptosis in cancer cells, we thus hypothesized that upregulation of FOXM1 in PAH-PASMCs promotes cell expansion and vascular remodeling...
December 30, 2017: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/29282521/engineered-exosomes-emerging-from-muscle-cells-break-immune-tolerance-to-her2-in-transgenic-mice-and-induce-antigen-specific-ctls-upon-challenge-by-human-dendritic-cells
#6
Simona Anticoli, Eleonora Aricò, Claudia Arenaccio, Francesco Manfredi, Chiara Chiozzini, Eleonora Olivetta, Flavia Ferrantelli, Laura Lattanzi, Maria Teresa D'Urso, Enrico Proietti, Maurizio Federico
We recently described a novel biotechnological platform for the production of unrestricted cytotoxic T lymphocyte (CTL) vaccines. It relies on in vivo engineering of exosomes, i.e., nanovesicles constitutively released by all cells, with full-length antigens of choice upon fusion with an exosome-anchoring protein referred to as Nefmut. They are produced upon intramuscular injection of a DNA vector and, when uploaded with a viral tumor antigen, were found to elicit an immune response inhibiting the tumor growth in a model of transplantable tumors...
December 27, 2017: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/29282520/tgf%C3%AE-counteracts-lyve-1-mediated-induction-of-lymphangiogenesis-by-small-hyaluronan-oligosaccharides
#7
Jochen Bauer, Melanie Rothley, Anja Schmaus, Luca Quagliata, Markus Ehret, Moritz Biskup, Véronique Orian-Rousseau, David G Jackson, Ronald J Pettis, Alfred Harvey, Stefan Bräse, Wilko Thiele, Jonathan P Sleeman
During tissue injury, inflammation, and tumor growth, enhanced production and degradation of the extracellular matrix glycosaminoglycan hyaluronan (HA) can lead to the accumulation of small HA (sHA) oligosaccharides. We have previously reported that accumulation of sHA in colorectal tumors correlates with lymphatic invasion and lymph node metastasis, and therefore, investigated here are the effects of sHA on the lymphatic endothelium. Using cultured primary lymphatic endothelial cells (LECs) and ex vivo and in vivo lymphangiogenesis assays, we found that in contrast to high-molecular-weight HA (HMW-HA), sHA of 4-25 disaccharides in length can promote the proliferation of LECs and lymphangiogenesis in a manner that is dependent on their size and concentration...
December 27, 2017: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/29274006/chromogranin-a-regulates-macrophage-function-and-the-apoptotic-pathway-in-murine-dss-colitis
#8
Nour Eissa, Hayam Hussein, Laëtitia Kermarrec, Ahmed Y Ali, Aaron Marshall, Marie-Helene Metz-Boutigue, Geoffrey N Hendy, Charles N Bernstein, Jean-Eric Ghia
Chromogranin-A (CHGA) is elevated in inflammatory bowel disease (IBD), but little is known about its role in colonic inflammation. IBD is associated with impaired functions of macrophages and increased apoptosis of intestinal epithelial cells. We investigated CHGA expression in human subjects with active ulcerative colitis (UC) and the underlying mechanisms in Chga -/- mice. In UC, CHGA, classically activated macrophage (M1) markers, caspase-3, p53, and its associated genes were increased, while alternatively activated macrophage (M2) markers were decreased without changes in the extrinsic apoptotic pathway...
December 22, 2017: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/29230527/lefty2-inhibits-endometrial-receptivity-by-downregulating-orai1-expression-and-store-operated-ca2-entry
#9
Madhuri S Salker, Yogesh Singh, Ruban R Peter Durairaj, Jing Yan, Md Alauddin, Ni Zeng, Jennifer H Steel, Shaqiu Zhang, Jaya Nautiyal, Zoe Webster, Sara Y Brucker, Diethelm Wallwiener, B Anne Croy, Jan J Brosens, Florian Lang
Early embryo development and endometrial differentiation are initially independent processes, and synchronization, imposed by a limited window of implantation, is critical for reproductive success. A putative negative regulator of endometrial receptivity is LEFTY2, a member of the transforming growth factor (TGF)-β family. LEFTY2 is highly expressed in decidualizing human endometrial stromal cells (HESCs) during the late luteal phase of the menstrual cycle, coinciding with the closure of the window of implantation...
December 11, 2017: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/29177698/evolution-of-early-phase-clinical-trials-in-oncology
#10
REVIEW
Nam Q Bui, Shivaani Kummar
The therapeutic armamentarium for the treatment of cancer has rapidly evolved with the advent of molecularly targeted and immuno-oncology agents. Dramatic and prolonged responses observed in patients with advanced cancers have created excitement and promise for expedited development of effective new treatments. However, this has also necessitated a rethinking of our early phase clinical trial designs and the process of optimally developing a novel agent. In this review, we discuss the current state and future directions of phase I clinical trials in oncology...
November 24, 2017: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/29150718/re-educating-immunity-in-respiratory-allergies-the-potential-for-hematopoietic-stem-cell-mediated-gene-therapy
#11
REVIEW
Jeremy F Brooks, Janet M Davies, James W Wells, Raymond J Steptoe
Respiratory allergies represent a significant disease burden worldwide affecting up to 300 million people globally. Medication and avoidance of known triggers do not address the underlying pathology. Traditional immunotherapies for allergy aim to reinstate immune homeostasis but require years of treatment and have poor long-term efficacy. Novel approaches, such as gene-engineered hematopoietic stem cell transplantation, induce profound antigen-specific tolerance in autoimmunity. Recent evidence shows this approach may also have therapeutic utility for allergy...
November 17, 2017: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/29143862/a20-prevents-obesity-induced-development-of-cardiac-dysfunction
#12
Wenjing Xu, Cheng Wang, Minglu Liang, Long Chen, Qin Fu, Fengxiao Zhang, Yan Wang, Dan Huang, Kai Huang
Obesity and an increased free fatty acid (FFA) level are tightly linked, leading to aberrant oxidative stress, inflammation, apoptosis, and progression to cardiovascular disorders. A20 is a ubiquitin-modifying enzyme that plays a significant role in the negative regulation of inflammatory response. Here, we study the role of A20 in obesity-induced heart injury and explore the underlying mechanisms. A20 expression was first increased in mouse hearts after 4 weeks of a high-fat diet (HFD) and then was gradually decreased in the following 20 weeks...
November 16, 2017: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/29134255/identification-of-generic-and-pathogen-specific-cord-blood-monocyte-transcriptomes-reveals-a-largely-conserved-response-in-preterm-and-term-newborn-infants
#13
Emma de Jong, David G Hancock, Julie Hibbert, Christine Wells, Peter Richmond, Karen Simmer, David Burgner, Tobias Strunk, Andrew J Currie
Escherichia coli and Staphylococcus epidermidis are predominant causes of neonatal sepsis, particularly affecting preterm infants. Susceptibility to infection has been attributed to "immature" innate monocyte defences, but no studies have assessed global transcriptional responses of neonatal monocytes to these pathogens. Here, we aimed to identify and characterise the neonatal monocyte transcriptional responses to E. coli and S. epidermidis and the role of common modifiers such as gestational age (GA) and exposure to chorioamnionitis (a common complication of preterm birth) to better understand early life innate immune responses...
November 13, 2017: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/29124284/ca-2-nuclear-factor-of-activated-t-cells-signaling-is-enriched-in-early-onset-rectal-tumors-devoid-of-canonical-wnt-activation
#14
Raju Kumar, Ratheesh Raman, Viswakalyan Kotapalli, Swarnalata Gowrishankar, Saumyadipta Pyne, Jonathan R Pollack, Murali D Bashyam
Our previous extensive analysis revealed a significant proportion of early-onset colorectal tumors from India to be localized to the rectum in younger individuals and devoid of deregulated Wnt/β-catenin signaling. In the current study, we performed a comprehensive genome-wide analysis of clinically well-annotated microsatellite stable early-onset sporadic rectal cancer (EOSRC) samples. Results revealed extensive DNA copy number alterations in rectal tumors in the absence of deregulated Wnt/β-catenin signaling...
November 9, 2017: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/29116339/%C3%AE-arrestin-1-deficiency-ameliorates-renal-interstitial-fibrosis-by-blocking-wnt1-%C3%AE-catenin-signaling-in-mice
#15
Huiyan Xu, Quanxin Li, Jiang Liu, Jiaqing Zhu, Liang Li, Ziying Wang, Yan Zhang, Yu Sun, Jinpeng Sun, Rong Wang, Fan Yi
Despite substantial progress being made in understanding the mechanisms contributing to the pathogenesis of renal fibrosis, there are only a few therapies available to treat or prevent renal fibrosis in clinical use today. Therefore, identifying the key cellular and molecular mediators involved in the pathogenesis of renal fibrosis will provide new therapeutic strategy for treating patients with chronic kidney disease (CKD). β-Arrestin-1, a member of β-arrestin family, not only is a negative adaptor of G protein-coupled receptors (GPCRs), but also acts as a scaffold protein and regulates a diverse array of cellular functions independent of GPCR activation...
November 7, 2017: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/29098317/php14-regulates-hepatic-stellate-cells-migration-in-liver-fibrosis-via-mediating-tgf-%C3%AE-1-signaling-to-pi3k%C3%AE-akt-rac1-pathway
#16
Anjian Xu, Yanmeng Li, Wenshan Zhao, Fei Hou, Xiaojin Li, Lan Sun, Wei Chen, Aiting Yang, Shanna Wu, Bei Zhang, Jingyi Yao, Huan Wang, Jian Huang
Hepatic fibrosis is characterized by the activation of hepatic stellate cells (HSCs). Migration of the activated HSCs to the site of injury is one of the key characteristics during the wound healing process. We have previously demonstrated that 14 kDa phosphohistidine phosphatase (PHP14) is involved in migration and lamellipodia formation of HSCs. However, the role of PHP14 in liver fibrosis remains unknown. In this study, we first assessed PHP14 expression and distribution in liver fibrotic tissues using western blot, immunohistochemistry, and double immunofluorescence staining...
November 3, 2017: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/29098316/plasma-circular-rna-profiling-of-patients-with-gastric-cancer-and-their-droplet-digital-rt-pcr-detection
#17
Tianwen Li, Yongfu Shao, Liyun Fu, Yi Xie, Linwen Zhu, Weiliang Sun, Rui Yu, Bingxiu Xiao, Junming Guo
To observe the diagnostic values of circular RNAs (circRNAs), their expression profiles between gastric cancer patients' plasma and healthy controls were first assessed by circRNA microarray. Then, circRNA levels were measured by reverse transcription quantitative polymerase chain reaction (RT-qPCR) and RT-droplet digital PCR (RT-ddPCR), respectively. A total of 343 differentially expressed circRNAs were found. The top 10 elevated circRNAs in patients were hsa_circ_0088300, hsa_circ_0075825, hsa_circ_0019172, hsa_circ_0000220, hsa_circ_0035277, hsa_circ_0000301, hsa_circ_0000189, hsa_circ_0090080, hsa_circ_0001888, and hsa_circ_0001874...
November 2, 2017: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/29101431/the-emerging-role-of-bone-marrow-adipose-tissue-in-bone-health-and-dysfunction
#18
REVIEW
Thomas H Ambrosi, Tim J Schulz
Replacement of red hematopoietic bone marrow with yellow adipocyte-rich marrow is a conserved physiological process among mammals. The extent of this conversion is influenced by a wide array of pathological and non-pathological conditions. Of particular interest is the observation that some marrow adipocyte-inducing factors seem to oppose each other, for instance obesity and caloric restriction. Intriguingly, several important molecular characteristics of bone marrow adipose tissue (BMAT) are distinct from the classical depots of white and brown fat tissue...
December 2017: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/29063142/molecular-therapeutic-strategies-for-fgfr3-gene-related-skeletal-dysplasia
#19
REVIEW
Jia Chen, Jiaqi Liu, Yangzhong Zhou, Sen Liu, Gang Liu, Yuzhi Zuo, Zhihong Wu, Nan Wu, Guixing Qiu
The FGFR3 gene encodes fibroblast growth factor receptor 3 protein, a negative regulator of chondrogenesis. Gain-of-function mutations result in constitutively activated FGFR3, leading to aberrant signal transduction, and accounting for inhibition of chondrocyte proliferation and differentiation. Generally, these pathogenic mutations maintain FGFR3 in an active state and cause diverse phenotypes in patients with skeletal dysplasia. For decades, studies have revealed the molecular mechanisms of constitutively activated FGFR3 and relevant therapeutic strategies...
December 2017: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/28986622/defensins-defend-against-bone-loss
#20
EDITORIAL
Friedrich C Luft
No abstract text is available yet for this article.
December 2017: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
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