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Jennifer R Lynch, Basit Salik, Patrick Connerty, Binje Vick, Halina Leung, Aster Pijning, Irmela Jeremias, Karsten Spiekermann, Toby Trahair, Tao Liu, Michelle Haber, Murray D Norris, Andrew J Woo, Philip Hogg, Jianlong Wang, Jenny Y Wang
Abnormal metabolism is a fundamental hallmark of cancer and represents a therapeutic opportunity, yet its regulation by oncogenes remains poorly understood. Here, we uncover that JMJD1C, a jumonji C (JmjC)-containing H3K9 demethylase, is a critical regulator of aberrant metabolic processes in homeobox A9 (HOXA9)-dependent acute myeloid leukemia (AML). JMJD1C overexpression increases in vivo cell proliferation and tumorigenicity through demethylase-independent upregulation of a glycolytic and oxidative program, which sustains leukemic cell bioenergetics and contributes to an aggressive AML phenotype in vivo...
January 8, 2019: Leukemia: Official Journal of the Leukemia Society of America, Leukemia Research Fund, U.K
Alexandre Fellous, Ryan L Earley, Frederic Silvestre
Histone modifications such as methylation of key lysine residues play an important role in embryonic development in a variety of organisms such as of Pacific oysters, zebrafish and mice. The action of demethylase ("erasers") and methyltransferase ("writers") enzymes regulates precisely the methylation status of each lysine residue. However, despite fishes being very useful model organisms in medicine, evolution and ecotoxicology, most studies have focused on mammalian and plant model organisms, and mechanisms underlying regulation of histones are unknown in fish development outside of zebrafish...
November 17, 2018: Gene
Kumar Mohanty Sujit, Saumya Sarkar, Vertika Singh, Rajesh Pandey, Neeraj Kumar Agrawal, Sameer Trivedi, Kiran Singh, Gopal Gupta, Singh Rajender
STUDY QUESTION: Do methylation changes in sperm DNA correlate with infertility? STUDY ANSWER: Loss of spermatogenesis and fertility was correlated with 1680 differentially-methylated CpGs (DMCs) across 1052 genes. WHAT IS KNOWN ALREADY: Methylation changes in a number of genes have been correlated with reduced sperm count and motility. STUDY DESIGN, SIZE, DURATION: This case-control study used spermatozoal DNA from 38 oligo-/oligoastheno-zoospermic infertile patients and 26 normozoospermic fertile men...
December 1, 2018: Human Reproduction
Helene Gellert-Kristensen, Nawar Dalila, Sune Fallgaard Nielsen, Børge Grønne Nordestgaard, Anne Tybjaerg-Hansen, Stefan Stender
Gallstone disease is a common complex disease that confers a substantial economic burden on society. The genetic underpinnings of gallstone disease remain incompletely understood. We aimed to identify new genetic associations with gallstone disease using publicly available data from the UK Biobank and two large Danish cohorts. We extracted genetic associations with gallstone disease from the Global Biobank Engine (GBE), an online browser of genomewide associations in UK Biobank participants (14,940 cases and 322,268 controls)...
October 16, 2018: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
Sirinun Pisamai, Sittiruk Roytrakul, Narumon Phaonakrop, Janthima Jaresitthikunchai, Gunnaporn Suriyaphol
Oral tumors, including highly invasive and metastatic oral melanoma (OM), non-tonsillar oral squamous cell carcinoma (OSCC) and benign tumors (BN), are common neoplasms in dogs. Although these tumors behave differently, limited data of their protein expression profiles have been exhibited, particularly at the proteome level. The present study aimed to i.) characterize peptide-mass fingerprints (PMFs) and identify potential protein candidates of OM, OSCC, BN and normal control subjects, using matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF MS) and liquid chromatography tandem mass spectrometry (LC-MS/MS), ii...
2018: PloS One
Lu-Chen Weng, Weihua Guan, Lyn M Steffen, James S Pankow, Nathan Pankratz, Ming-Huei Chen, Mary Cushman, Saonli Basu, Aaron R Folsom, Weihong Tang
INTRODUCTION: Data from epidemiological studies and clinical trials suggest an influence of dietary and circulating polyunsaturated fatty acids (PUFAs) on the hemostasis profile. Genome-wide association studies (GWAS) have identified single nucleotide polymorphisms (SNPs) related to plasma PUFAs levels. We aimed to investigate whether the SNPs related to plasma PUFAs levels were also associated with plasma levels of hemostatic variables. MATERIALS AND METHODS: We tested the associations between 9 PUFA-related SNPs and 6 hemostatic variables in 9035 European Americans (EAs) and 2702 African Americans (AAs) in the Atherosclerosis Risk in Communities (ARIC) Study...
August 2018: Thrombosis Research
Cheng Chen, Maimaiti Aihemaiti, Xin Zhang, Hui Qu, Qi-Long Sun, Qing-Si He, Wen-Bin Yu
Colorectal cancer (CRC) is one of the most common malignant gastrointestinal cancers. Metastasis is a major leading of death in patients with CRC and many patients have metastatic disease at diagnosis. However, the underlying molecular mechanisms are still elusive. Here, we showed that JMJD1C was overexpressed in colon cancer tissues compared to normal samples and was positively associated with metastasis and poor prognosis. Silencing JMJD1C strongly inhibits CRC migration and invasion both in vitro and in vivo...
2018: American Journal of Cancer Research
C Mary Schooling, Shan Luo, Shiu Lun Au Yeung, Deborah J Thompson, Savita Karthikeyan, Thomas R Bolton, Amy M Mason, Erik Ingelsson, Stephen Burgess
BACKGROUND: Testosterone supplementation has been linked to increased cardiovascular disease risk in some observational studies. The causal role of testosterone can be investigated using a Mendelian randomization approach. METHODS AND RESULTS: We assessed genetic associations of variants in two gene regions (SHBG and JMJD1C) with several cardiovascular risk factors (lipids, adiponectin, blood pressure, anthropometric traits) plus male pattern baldness, including control outcomes and potential mediators...
September 15, 2018: International Journal of Cardiology
John D Crispino
No abstract text is available yet for this article.
May 3, 2018: Blood
Wenxin Luo, Panwen Tian, Yue Wang, Heng Xu, Lu Chen, Chao Tang, Yang Shu, Shouyue Zhang, Zhoufeng Wang, Jun Zhang, Li Zhang, Lili Jiang, Lunxu Liu, Guowei Che, Chenglin Guo, Hong Zhang, Jiali Wang, Weimin Li
Non-small-cell lung cancer (NSCLC) has been recognized as a highly heterogeneous disease with phenotypic and genotypic diversity in each subgroup. While never-smoker patients with NSCLC have been well studied through next generation sequencing, we have yet to recognize the potentially unique molecular features of young never-smoker patients with NSCLC. In this study, we conducted whole genome sequencing (WGS) to characterize the genomic alterations of 36 never-smoker Chinese patients, who were diagnosed with lung adenocarcinoma (LUAD) at 45 years or younger...
April 18, 2018: International Journal of Cancer. Journal International du Cancer
Jan C Peeken, Jonas S Jutzi, Julius Wehrle, Christoph Koellerer, Hans F Staehle, Heiko Becker, Elias Schoenwandt, Thalia S Seeger, Daniel H Schanne, Monika Gothwal, Christopher J Ott, Albert Gründer, Heike L Pahl
The transcription factor "nuclear factor erythroid 2" (NFE2) is overexpressed in the majority of patients with myeloproliferative neoplasms (MPNs). In murine models, elevated NFE2 levels cause an MPN phenotype with spontaneous leukemic transformation. However, both the molecular mechanisms leading to NFE2 overexpression and its downstream targets remain incompletely understood. Here, we show that the histone demethylase JMJD1C constitutes a novel NFE2 target gene. JMJD1C levels are significantly elevated in polycythemia vera (PV) and primary myelofibrosis patients; concomitantly, global H3K9me1 and H3K9me2 levels are significantly decreased...
May 3, 2018: Blood
Nina Mørup, Alexander Siegfried Busch, Anne Kirstine Bang, Loa Nordkap, John E Nielsen, Ewa Rajpert-De Meyts, Anders Juul, Niels Jørgensen, Kristian Almstrup
JMJD1C, a member of the Jumonji-domain containing histone demethylases protein family, has been associated with levels of sex-hormone binding globulin (SHBG) and testosterone in men, and knock-out rodent models show age-dependent infertility. The objective of this study was to investigate whether single nucleotide polymorphisms (SNPs) nearby JMJD1C are associated with pubertal onset in boys and with male reproduction. 671 peri-pubertal boys, 1,027 young men, 315 fertile men, and 252 infertile men were genotyped for two JMJD1C SNPs (rs7910927 and rs10822184)...
December 8, 2017: Scientific Reports
Feng Xiao, Bing Liao, Jing Hu, Shuang Li, Haixin Zhao, Ming Sun, Junjie Gu, Ying Jin
The roles of histone demethylases (HDMs) for the establishment and maintenance of pluripotency are incompletely characterized. Here, we show that JmjC-domain-containing protein 1c (JMJD1C), an H3K9 demethylase, is required for mouse embryonic stem cell (ESC) self-renewal. Depletion of Jmjd1c leads to the activation of ERK/MAPK signaling and epithelial-to-mesenchymal transition (EMT) to induce differentiation of ESCs. Inhibition of ERK/MAPK signaling rescues the differentiation phenotype caused by Jmjd1c depletion...
September 12, 2017: Stem Cell Reports
Shiu Lun Au Yeung, Hugh Simon Hung San Lam, C Mary Schooling
BACKGROUND: Vascular endothelial growth factor (VEGF) has angiogenic and possibly proatherosclerotic properties. Observationally it is positively associated with cardiovascular disease, although these observations could be confounded or due to reverse causation. We assessed ischemic heart disease (IHD) risk by genetically predicted VEGF, ie, using Mendelian randomization. METHODS AND RESULTS: Single nucleotide polymorphisms (SNPs) predicting VEGF level, at genome-wide significance, were applied to the CARDIoGRAMplusC4D 1000 Genomes-based genome-wide association study IHD case (n=60 801)-control (n=123 504) study...
August 1, 2017: Journal of the American Heart Association
Huanhuan Liu, Long Yang, Erchen Zhang, Rui Zhang, Dandan Cai, Shouan Zhu, Jisheng Ran, Varitsara Bunpetch, Youzhi Cai, Boon Chin Heng, Yejun Hu, Xuesong Dai, Xiao Chen, Hongwei Ouyang
Management of ligament/tendon-to-bone-junction healing remains a formidable challenge in the field of orthopedic medicine to date, due to deficient vascularity and multi-tissue transitional structure of the junction. Numerous strategies have been employed to improve ligament-bone junction healing, including delivery of stem cells, bioactive factors, and synthetic materials, but these methods are often inadequate at recapitulating the complex structure-function relationships at native tissue interfaces. Here, we developed an easily-fabricated and effective biomimetic composite to promote the regeneration of ligament-bone junction by physically modifying the tendon extracellular matrix (ECM) into a Random-Aligned-Random composite using ultrasound treatment...
July 1, 2017: Acta Biomaterialia
Florian Buerger, Silvana Müller, Nadja Ney, Juliane Weiner, John T Heiker, Sonja Kallendrusch, Peter Kovacs, Dorit Schleinitz, Joachim Thiery, Sonja C Stadler, Ralph Burkhardt
Differentiation of adipocytes is a highly regulated process modulated by multiple transcriptional co-activators and co-repressors. JMJD1C belongs to the family of jumonji C (jmjC) domain-containing histone demethylases and was originally described as a ligand-dependent co-activator of thyroid hormone and androgen receptors. Here, we explored the potential role of Jmjd1c in white adipocyte differentiation. To investigate the relevance of Jmjd1c in adipogenesis, murine 3T3-L1 preadipocyte cells with transient knock-down of Jmjd1c (3T3_Jmjd1c) were generated...
July 2017: Biochimica et biophysica acta. Molecular basis of disease
Jihye Kim, Mi Kyung Kim, Sukyoung Jung, Ji Eun Lim, Myung-Hee Shin, Yeon-Jung Kim, Bermseok Oh
The objective of this study is to find single nucleotide polymorphisms (SNPs) associated with a risk of Type 2 diabetes (T2D) in Korean adults and to investigate the longitudinal association between these SNPs and T2D and the interaction effects of iron intake and average hemoglobin level. Data from the KoGES_Ansan and Ansung Study were used. Gene-iron interaction analysis was conducted using a two-step approach. To select candidate SNPs associated with T2D, a total of 7,935 adults at baseline were included in genome-wide association analysis (step one)...
2017: PloS One
Keiko Shimojima, Nobuhiko Okamoto, Toshiyuki Yamamoto
Interstitial deletions in the 10q21.3q22.2 chromosomal region are rare. A de novo microdeletion in this region was identified in a patient with severe developmental delay and multiple congenital anomalies, including congenital heart defects. The identified 10.4-Mb deletion included 84 RefSeq genes. CTNNA3 and JMJD1C have been associated with cardiomyopathy and neurological impairments (autism and/or intellectual disability), respectively. Because there is no gene which shows one-to-one relation to clinical features observed in this patient, combinatory deletion of the genes in this region would be causative of the clinical features in this patient...
January 2018: Congenital Anomalies
Dan Luo, Antoine de Morree, Stephane Boutet, Navaline Quach, Vanita Natu, Arjun Rustagi, Thomas A Rando
The myogenic regulatory factor MyoD has been implicated as a key regulator of myogenesis, and yet there is little information regarding its upstream regulators. We found that Deltex2 inhibits myogenic differentiation in vitro, and that skeletal muscle stem cells from Deltex2 knockout mice exhibit precocious myogenic differentiation and accelerated regeneration in response to injury. Intriguingly, Deltex2 inhibits myogenesis by suppressing MyoD transcription, and the Deltex2 knockout phenotype can be rescued by a loss-of-function allele for MyoD In addition, we obtained evidence that Deltex2 regulates MyoD expression by promoting the enrichment of histone 3 modified by dimethylation at lysine 9 at a key regulatory region of the MyoD locus...
April 11, 2017: Proceedings of the National Academy of Sciences of the United States of America
Yixin Cai, Xiangning Fu, Yu Deng
Esophageal cancer (EC) is the most lethal cancer, and it is of significant concern worldwide, particularly in China. However, there are no effective treatments to cure it, such as chemotherapy, surgery, or radiotherapy. This is attributed to the lack of understanding of the molecular mechanisms of EC. Recently, the superfamily of Jmj-containing KDMs has been shown to play an important role in tumorigenesis in various cancers, including EC. In this study, we demonstrated that JMJD1C was upregulated in patient EC tissues and different EC cell lines...
2017: American Journal of Cancer Research
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