Sentences with phrase «other epigenetic alterations»

It has been demonstrated that the composition of the medium used for embryo culture has a profound effect on the methylation pattern in the resultant two - cell embryos [10], indicating that, in addition to imprinted genes, other epigenetic alterations may intensely modify gene expression.

DNA methylation and other epigenetic alterations — chemical changes to DNA that can alter a gene's expression without affecting its protein - coding sequence — may underlie some of the lasting biochemical havoc, Ghanei says.

Not exact matches

Yet people who make decisions about safe levels of exposure to chemicals, heavy metals and other environmental factors generally aren't including epigenetic alterations in their deliberations.

Douglas Thomas, associate professor of medicinal chemistry and pharmacognosy at UIC, and co-workers discovered that nitric oxide plays an important role in epigenetics — heritable alterations in gene expression caused by mechanisms other than changes in DNA sequence.

While evidence obtained in our and other laboratories strongly suggests that H. pylori triggers a transcriptional response, epigenetic alterations and DNA damage in infected cells, most of the data supporting these findings rest on fragmentary analyses of clinical samples and cells infected in vitro.

This section invites manuscripts describing (a) Linkage, association, substitution or positional mapping and epigenetic studies in any species; (b) Validation studies of candidate genes using genetically - engineered mutant model organisms; (c) Studies focused on epistatis and gene - environment interactions; (d) Analysis of the functional implications of genomic sequence variation and aim to attach physiological or pharmacogenomic relevance to alterations in genes or proteins; (e) Studies of DNA copy number variants, non-coding RNA, genome deletions, insertions, duplications and other single nucleotide polymorphisms and their relevance to physiology or pharmacology in humans or model organisms, in vitro or in vivo; and (f) Theoretical approaches to analysis of sequence variation.

For example, prenatal maternal anxiety is associated with an altered function of the placenta, in a way that may allow more cortisol to pass from mother to fetus.8 This probably underlies some of the alterations in fetal and child brain neurodevelopment following early exposure to stress and may also be one of the mediators of an altered epigenetic profile, although many other biological systems, including serotonin, dopamine and the pro-inflammatory cytokines, are also likely to be involved.