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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/28439615/wip1-phosphatase-as-pharmacological-target-in-cancer-therapy
#1
REVIEW
Soňa Pecháčková, Kamila Burdová, Libor Macurek
DNA damage response (DDR) pathway protects cells from genome instability and prevents cancer development. Tumor suppressor p53 is a key molecule that interconnects DDR, cell cycle checkpoints, and cell fate decisions in the presence of genotoxic stress. Inactivating mutations in TP53 and other genes implicated in DDR potentiate cancer development and also influence the sensitivity of cancer cells to treatment. Protein phosphatase 2C delta (referred to as WIP1) is a negative regulator of DDR and has been proposed as potential pharmaceutical target...
April 24, 2017: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/28429049/dysregulation-of-haematopoietic-stem-cell-regulatory-programs-in-acute-myeloid-leukaemia
#2
REVIEW
Silvia Basilico, Berthold Göttgens
Haematopoietic stem cells (HSC) are situated at the apex of the haematopoietic differentiation hierarchy, ensuring the life-long supply of mature haematopoietic cells and forming a reservoir to replenish the haematopoietic system in case of emergency such as acute blood loss. To maintain a balanced production of all mature lineages and at the same time secure a stem cell reservoir, intricate regulatory programs have evolved to control multi-lineage differentiation and self-renewal in haematopoietic stem and progenitor cells (HSPCs)...
April 20, 2017: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/28421250/erratum-to-cx3cr1-deficiency-accelerates-the-development-of-retinopathy-in-a-rodent-model-of-type-1-diabetes
#3
Eleni Beli, James M Dominguez, Ping Hu, Jeffrey S Thinschmidt, Sergio Caballero, Sergio Li Calzi, Defang Luo, Sumathi Shanmugam, Tatiana E Salazar, Yaqian Duan, Michael E Boulton, Susanna Mohr, Steven F Abcouwer, Daniel R Saban, Jeffrey K Harrison, Maria B Grant
No abstract text is available yet for this article.
April 18, 2017: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/28391362/stem-cell-derived-organoids-and-their-application-for-medical-research-and-patient-treatment
#4
REVIEW
Sina Bartfeld, Hans Clevers
3D culture has allowed the initiation and expansion of organ-like structures, called organoids, from either tissue-resident adult stem cells or pluripotent stem cells. Today, organoids can be grown to resemble a wide variety of organs, exhibiting remarkable similarity to their in vivo counterparts. As successful organoid generation is possible from virtually every patient, organoids hold a great promise for medical research and the development of new treatments. They have already found their way into the clinic, enabling personalized medicine in small patient trials...
April 8, 2017: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/28365787/synovial-cell-production-of-il-26-induces-bone-mineralization-in-spondyloarthritis
#5
Line Dam Heftdal, Thomas Andersen, Ditte Jæhger, Anders Woetmann, René Østgård, Elisabeth E Kenngott, Uta Syrbe, Joachim Sieper, Malene Hvid, Bent Deleuran, Tue W Kragstrup
Spondyloarthritis (SpA) is characterized by inflammation and new bone formation and can be treated by inhibition of the proinflammatory cytokines TNF-α and IL-17A. IL-26 is considered a proinflammatory cytokine, predominantly related to Th17 cells. In the present study, we investigate IL-26 expression in SpA patients, and examine the in vitro production of IL-26 by synovial cells and the effects of IL-26 on human osteoblasts. IL-26 was measured by ELISA in plasma and synovial fluid (SF) of 15 SpA patients and in plasma samples from 12 healthy controls...
April 2, 2017: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/28357477/wnt5a-is-elevated-in-heart-failure-and-affects-cardiac-fibroblast-function
#6
Aurelija Abraityte, Leif E Vinge, Erik T Askevold, Tove Lekva, Annika E Michelsen, Trine Ranheim, Katrine Alfsnes, Arnt Fiane, Svend Aakhus, Ida G Lunde, Christen P Dahl, Pål Aukrust, Geir Christensen, Lars Gullestad, Arne Yndestad, Thor Ueland
Wnt signaling is dysregulated in heart failure (HF) and may promote cardiac hypertrophy, fibrosis, and inflammation. Blocking the Wnt ligand Wnt5a prevents HF in animal models. However, the role of Wnt5a in human HF and its functions in cardiac cells remain unclear. Here, we investigated Wnt5a regulation in HF patients and its effects on primary mouse and human cardiac fibroblasts. Serum Wnt5a was elevated in HF patients and associated with hemodynamic, neurohormonal, and clinical measures of disease severity...
March 30, 2017: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/28357476/type-i-interferon-as-a-biomarker-in-autoimmunity-and-viral-infection-a-leukocyte-subset-specific-analysis-unveils-hidden-diagnostic-options
#7
Romy Strauß, Thomas Rose, Shaun M Flint, Jens Klotsche, Thomas Häupl, Markus Peck-Radosavljevic, Taketoshi Yoshida, Chieko Kyogoku, Alexandra Flechsig, Amy M Becker, Kathryn H Dao, Andreas Radbruch, Gerd-Rüdiger Burmester, Paul A Lyons, Laurie S Davis, Falk Hiepe, Andreas Grützkau, Robert Biesen
Interferon alpha and its surrogates, including IP-10 and SIGLEC1, paralleled changes of disease activity in systemic lupus erythematosus (SLE). However, the whole blood interferon signature (WBIFNS)-the current standard for type I IFN assessment in SLE-does not correlate with SLE disease activity in individual patients over time. The underlying causes for this apparent contradiction have not been convincingly demonstrated. Using a multicenter dataset of gene expression data from leukocyte subsets in SLE, we identify distinctive subset-specific contributions to the WBIFNS...
March 29, 2017: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/28332126/klotho-suppresses-high-phosphate-induced-osteogenic-responses-in-human-aortic-valve-interstitial-cells-through-inhibition-of-sox9
#8
Fei Li, Qingzhou Yao, Lihua Ao, Joseph C Cleveland, Nianguo Dong, David A Fullerton, Xianzhong Meng
Elevated level of blood phosphate (Pi) associated with chronic kidney disease (CKD) is a risk factor of aortic valve calcification. Aortic valve interstitial cells (AVICs) display osteogenic responses to high Pi although the underlying mechanism is incompletely understood. Sox9 is a pro-chondrogenic factor and may play a role in ectopic tissue calcification. Circulating and kidney levels of Klotho are reduced in patients with CKD. We hypothesized that Sox9 mediates high Pi-induced osteogenic responses in human AVICs and that Klotho inhibits the responses...
March 22, 2017: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/28299381/the-renin-angiotensin-system-and-prolylcarboxypeptidase
#9
EDITORIAL
Friedrich C Luft
No abstract text is available yet for this article.
March 16, 2017: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/28293697/critical-role-of-hmga-proteins-in-cancer-cell-chemoresistance
#10
REVIEW
Daniela D'Angelo, Paula Mussnich, Claudio Arra, Sabrina Battista, Alfredo Fusco
The high-mobility group A (HMGA) proteins are frequently overexpressed in human malignancies and correlate with the presence of metastases and reduced patient survival. Here, we highlight the main studies evidencing a critical role of HMGA in chemoresistance, mainly by activating Akt signaling, impairing p53 activity, and regulating the expression of microRNAs that target genes involved in the susceptibility of cancer cells to antineoplastic agents. Therefore, these studies account for the association of HMGA overexpression with patient poor outcome, indicating the impairment of HMGA as a fascinating perspective for effectively improving cancer therapy...
March 14, 2017: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/28271209/tgf-%C3%AE-1-impairs-mechanosensation-of-human-osteoblasts-via-hdac6-mediated-shortening-and-distortion-of-primary-cilia
#11
Sabrina Ehnert, Vrinda Sreekumar, Romina H Aspera-Werz, Sahar O Sajadian, Elke Wintermeyer, Gunther H Sandmann, Christian Bahrs, Jan G Hengstler, Patricio Godoy, Andreas K Nussler
Transforming growth factor β (TGF-β) is a critical regulator of bone density owing to its multiple effects on cell growth and differentiation. Recently, we have shown that TGF-β1 effectively blocks bone morphogenetic protein (BMP) induced maturation of osteoblasts by upregulating histone deacetylase (HDAC) activity. The current study aimed at investigating the effect of rhTGF-β1 treatment on the expression of specific HDACs and their cellular effects, e.g., microtubule structures (primary cilia) and mechanosensation...
March 7, 2017: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/28258280/hcv-core-inhibits-hepatocellular-carcinoma-cell-replicative-senescence-through-downregulating-microrna-138-expression
#12
Tzu-Yue Shiu, Yu-Lueng Shih, An-Chieh Feng, Hsuan-Hwai Lin, Shih-Ming Huang, Tien-Yu Huang, Chung-Bao Hsieh, Wei-Kuo Chang, Tsai-Yuan Hsieh
Hepatitis C virus (HCV) infection is a major cause of chronic hepatitis, liver cirrhosis, and hepatocellular carcinoma (HCC). HCV core protein is considered as a positive regulator of telomerase activity. In this study, we focused on the deregulated microRNA-138 (miR-138) in HCV-associated HCC. Differential expression of miR-138 was determined by TaqMan quantitative real-time PCR. The target gene of miR-138 was verified by luciferase reporter assay, quantitative real-time PCR, and Western blotting. Moreover, three assays based on telomerase activity, cell proliferation, and senescence-associated β-galactosidase activity were performed...
March 3, 2017: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/28246725/anesthetic-neurotoxicity-an-emerging-role-for-glia-in-neuroprotection
#13
EDITORIAL
Josh D Bell, Creed M Stary
No abstract text is available yet for this article.
March 1, 2017: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/28236026/downregulation-of-mir-221-3p-contributes-to-il-1%C3%AE-induced-cartilage-degradation-by-directly-targeting-the-sdf1-cxcr4-signaling-pathway
#14
Xin Zheng, Feng-Chao Zhao, Yong Pang, Dong-Ya Li, Sheng-Cheng Yao, Shao-Song Sun, Kai-Jin Guo
Osteoarthritis (OA) is characterized by degradation of chondrocyte extracellular matrix (ECM). Accumulating evidence suggests that microRNAs (miRNAs) are associated with OA, but little is known of their function in chondrocyte ECM degradation. The objective of this study was to investigate the expression and function of miRNAs in OA. miRNA expression profile was determined in OA cartilage tissues and controls, employing Solexa sequencing and reverse transcription quantitative PCR (RT-qPCR). According to a modified Mankin scale, cartilage degradation was evaluated...
February 24, 2017: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/28233034/gain-of-function-egln1-prolyl-hydroxylase-phd2-d4e-c127s-in-combination-with-epas1-hif-2%C3%AE-polymorphism-lowers-hemoglobin-concentration-in-tibetan-highlanders
#15
Tsewang Tashi, N Scott Reading, Tanna Wuren, Xu Zhang, Lorna G Moore, Hao Hu, Feng Tang, Anna Shestakova, Felipe Lorenzo, Tatiana Burjanivova, Parvaiz Koul, Prasenjit Guchhait, Carl T Wittwer, Colleen G Julian, Binal Shah, Chad D Huff, Victor R Gordeuk, Josef T Prchal, RiLi Ge
Tibetans have lived at high altitude for generations and are thought to be genetically adapted to hypoxic environments. Most are protected from hypoxia-induced polycythemia, and a haplotype of EPAS1, encoding hypoxia-inducible factor (HIF-2α), has been associated with lower hemoglobin levels. We earlier reported a Tibetan-specific EGLN1 haplotype encoding PHD2 which abrogates HIF augmentation in hypoxia. We genotyped 347 Tibetan individuals from varying altitudes for both the Tibetan-specific EGLN1 haplotype and 10 candidate SNPs in the EPAS1 haplotype and correlated their association with hemoglobin levels...
February 23, 2017: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/28220193/hsa-mir-4485-regulates-mitochondrial-functions-and-inhibits-the-tumorigenicity-of-breast-cancer-cells
#16
Lakshmi Sripada, Kritarth Singh, Anastasiya V Lipatova, Aru Singh, Paresh Prajapati, Dhanendra Tomar, Khyati Bhatelia, Milton Roy, Rochika Singh, Madan M Godbole, Peter M Chumakov, Rajesh Singh
The modulation of mitochondrial functions is important for maintaining cellular homeostasis. Mitochondria essentially depend on the import of RNAs and proteins encoded by the nuclear genome. MicroRNAs encoded in the nucleus can translocate to mitochondria and target the genome, affecting mitochondrial function. Here, we analyzed the role of miR-4485 in the regulation of mitochondrial functions. We showed that miR-4485 translocated to mitochondria where its levels varied in response to different stress conditions...
February 20, 2017: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/28213636/decrease-of-glial-cell-derived-neurotrophic-factor-contributes-to-anesthesia-and-surgery-induced-learning-and-memory-dysfunction-in-neonatal-rats
#17
Lingli Gui, Xi Lei, Zhiyi Zuo
Long duration of anesthesia may induce toxicity in the developing brain. However, little is known about the effects of the combination of surgery and anesthesia on the developing brain. The mechanisms for the effects are not clear. To determine these effects, postnatal day 7 male and female Sprague-Dawley rats were exposed to 3% sevoflurane for 2 h with or without right common carotid exposure. Pyrrolidine dithiocarbamate (PDTC), an anti-inflammatory agent, was given 30 min before and 6 h after the carotid exposure...
February 17, 2017: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/28197656/mesangial-renal-disease-oxygen-sensing-and-prolyl-hydroxylase
#18
EDITORIAL
Friedrich C Luft
No abstract text is available yet for this article.
February 14, 2017: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/28161820/s100a8-myd88-nf-%C3%B2-b-a-novel-pathway-involved-in-cardiomyocyte-hypertrophy-driven-by-thyroid-hormone
#19
Ana Paula Cremasco Takano, Carolina Demarchi Munhoz, Anselmo Sigari Moriscot, Sudhiranjan Gupta, Maria Luiza Morais Barreto-Chaves
Recent studies have evidenced the involvement of inflammation-related pathways to the development of cardiac hypertrophy and other consequences on the cardiovascular system, including the calcium-binding protein S100A8. However, this has never been investigated in the thyroid hormone (TH)-prompted cardiac hypertrophy. Thus, we aimed to test whether S100A8 and related signaling molecules, myeloid differentiation factor-88 (MyD88) and nuclear factor kappa B (NF-қB), could be associated with the cardiomyocyte hypertrophy induced by TH...
February 4, 2017: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/28160049/prolylcarboxypeptidase-deficiency-is-associated-with-increased-blood-pressure-glomerular-lesions-and-cardiac-dysfunction-independent-of-altered-circulating-and-cardiac-angiotensin-ii
#20
Christoph Maier, Ines Schadock, Philipp K Haber, Jan Wysocki, Minghao Ye, Yashpal Kanwar, Christopher A Flask, Xin Yu, Brian D Hoit, Gregory N Adams, Alvin H Schmaier, Michael Bader, Daniel Batlle
Prolylcarboxypeptidase (PRCP) is a carboxypeptidase that cleaves angiotensin II (AngII) forming Ang(1-7). The impact of genetic PRCP deficiency on AngII metabolism, blood pressure (BP), kidney histology, and cardiac phenotype was investigated in two lines of PRCP-deficient mice: KST302 derived in C57BL/6 background and GST090 derived in FVB/N background. The GST090 line had increased mean arterial pressure (MAP) (113.7 ± 2.07 vs. WT 105.0 ± 1.23 mmHg; p < 0.01) and left ventricular hypertrophy (LVH) (ratio of diastolic left ventricular posterior wall dimension to left ventricular diameter 0...
February 3, 2017: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
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