Results 51 to 60 of about 1,873,698 (292)

Cadmium disturbs epigenetic modification and induces DNA damage in mouse preimplantation embryos

Ecotoxicology and Environmental Safety, 2021
Cadmium is an environmental pollutant that has extensive deleterious effects on the reproductive system. However, the mechanisms underlying the effects of cadmium on preimplantation embryos are unclear.
Jiaqiao Zhu, Zhutao Huang, Fan Yang, Min Zhu, Jiangqin Cao, Jiali Chen, Yan Lin, Shuai Guo, Junwei Li, Zongping Liu   +9 more
doaj   +1 more source

Regulation of the lncRNA NEAT1 by p53‐ΔNp63 crosstalk modulates the DNA damage response and therapeutic efficacy in HNSCC

Molecular Oncology, EarlyView.
In head and neck squamous cell carcinoma (HNSCC) p53 and p63 exert opposite roles on the transcription regulation of the lncRNA NEAT1. Under basal conditions, p53 levels are low and p63 represses NEAT1 expression. Upon genotoxic stress, p53 is rapidly induced, displacing p63 from the NEAT1 promoter leading to NEAT1 transcriptional activation and ...
Sara De Domenico, Veronica La Banca, Silvia D'Amico, Stefano Scalera, Sara Nicolai, Angelo Peschiaroli   +5 more
wiley   +1 more source

DNA Methylation Profiling Revealed Promoter Hypermethylation-induced Silencing of p16, DDAH2 and DUSP1 in Primary Oral Squamous Cell Carcinoma [PDF]

, 2014
Background: Hypermethylation in promoter regions of genes might lead to altered gene functions and result in malignant cellular transformation. Thus, biomarker identification for hypermethylated genes would be very useful for early diagnosis, prognosis ...
Zain, R. B., Vincent-Chong, V. K., Tan, A. C., Khor, G. H., Thong, K. L., Omar, E., Froemming, G. R. A., Abraham, M. T., Tan, S. K.   +8 more
core   +1 more source

Repair of Alkylation Damage: Stability of Methyl Groups in Bacillus subtilis Treated with Methyl Methanesulfonate [PDF]

Journal of Bacteriology, 1970
Bacillus subtilis was not inactivated and was able to replicate even though approximately 3 × 10 4 methyl groups added by methyl methanesulfonate (MMS) were bound to the deoxyribonucleic acid (DNA) of each organism.
L, Prakash, B, Strauss
openaire   +2 more sources

USP7 inhibits FOXO1 activity in chronic lymphocytic leukaemia cells enhancing cell survival

Molecular Oncology, EarlyView.
CLL cells rely on BCR‐mediated signalling for survival and proliferation in part through suppression of FOXO1. FOXO1 activity is regulated by a plethora of post‐translational modifications including phosphorylation and ubiquitination. We demonstrated that dual inhibition of BCR signalling and the deubiquitinase USP7 activates FOXO1, modulating its ...
Hassan N.B. Almuhanna, Jodie Hay, Michael W. Moles, Lucy Clarke, Jennifer Cassels, Alison Sefcick, Alison M. McCaig, Heather G. Jørgensen, Alison M. Michie   +8 more
wiley   +1 more source

Dynamic changes in DNA methylation of stress-associated genes (OXTR, BDNF) after acute psychosocial stress [PDF]

, 2012
Environmentally induced epigenetic alterations are related to mental health. We investigated quantitative DNA methylation status before and after an acute psychosocial stressor in two stress-related genes: oxytocin receptor (OXTR) and brain-derived ...
Dempster, E., Dempster, Emma, Unternaehrer, Eva, Lieb, Roselind, Meyer, A. H., Unternaehrer, E., Luers, P., Mill, J., Staehli, S., Hellhammer, D. H., Meyer, Andrea H., Lieb, R., Meinlschmidt, G., Staehli, Simon, Mill, John, Hellhammer, Dirk H., Meinlschmidt, Gunther, Luers P, Meinlschmidt G, Lieb R, Meyer AH, Dempster E, Staehli S, Hellhammer DH, Mill J, Unternaehrer E   +25 more
core   +1 more source

Retraction: DNA Damage, Homology-Directed Repair, and DNA Methylation

PLoS Genetics
PLOS Genetics Editors
doaj   +5 more sources

Overcoming platinum resistance by the disulfiram metabolite CuET in novel preclinical models of human carcinomas

Molecular Oncology, EarlyView.
Cisplatin‐resistant cancer cells survive DNA‐damaging platinum‐based treatment yet remain sensitive to CuET‐induced proteotoxic stress. The distinct mechanism of action allows CuET to overcome and eliminate cisplatin‐resistant tumour cells, unless highly expressed metallothioneins (MTs) interfere with CuET, thereby highlighting MT levels as candidate ...
Stefanos Arampatzis, Tereza Buchtová, Jirina Bartkova, Marie Lund Bay, Christoffer Lynge Halvorsen, Zuzana Machacova, Zdenek Skrott, Martin Mistrik, Ekaterina Dulina, Miguel Andujar‐Sanchez, Estrid Høgdall, Tine Henrichsen Schnack, Claus Høgdall, Berit Jul Mosgaard, Marie Boennelycke, Jacob Brink Laursen, Allan Jensen, Susanne K. Kjær, Tuula Kallunki, Robert Strauss, Jiri Bartek   +20 more
wiley   +1 more source

Effects of Selenium on DNA Methylation and Genomic Instability Induced by Drought Stress in Wheat (Triticum aestivum L.)

Türkiye Tarımsal Araştırmalar Dergisi
The main purpose of the study was to clarify the effect of selenium (Se) on DNA damage and DNA methylation in wheat (Triticum aestivum L.) plants exposed to polyethylene glycol (PEG)-induced drought stress under in vitro tissue culture.
Zehra Şahin, Güleray Ağar, Esma Yiğider, Murat Aydın   +3 more
doaj   +1 more source

Transcriptional gene silencing mutants in "Arabidopsis thaliana" and their impact on nuclear architecture and heterochromatin organization [PDF]

, 2004
The epigenetic regulation of gene expression is defined by covalent modifications of DNA and histone tails as well as by chromatin structure and nuclear architecture.
Valeska Probst, Aline
core   +1 more source