Cytosine News and Research

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Small non-coding RNAs can help predict individuals with breast cancer

Small non-coding RNAs can be used to predict if individuals have breast cancer conclude researchers who contribute to The Cancer Genome Atlas project. The results, which are published in EMBO reports, indicate that differences in the levels of specific types of non-coding RNAs can be used to distinguish between cancerous and non-cancerous tissues. These RNAs can also be used to classify cancer patients into subgroups of individuals that have different survival outcomes.

18 Feb 2014

Researchers study how epigenetic alterations contribute to age-related increases in breast cancer risk

Age is a key risk factor for breast cancer. A recent study by researchers from the Dartmouth-Hitchcock Norris Cotton Cancer Center, "Age-related DNA methylation in normal breast tissue and its relationship with invasive breast tumor methylation," examines the connection between cancer and the aging process to see if epigenetic DNA alterations might contribute to age-related increases in breast cancer risk.

31 Jan 2014

Johns Hopkins researchers reveal how non-CpG methylation may contribute to Rett Syndrome

In normal development, all cells turn off genes they don’t need, often by attaching a chemical methyl group to the DNA, a process called methylation. Historically, scientists believed methyl groups could only stick to a particular DNA sequence: a cytosine followed by a guanine, called CpG. But in recent years, they have been found on other sequences, and so-called non-CpG methylation has been found in stem cells, and in neurons in the brain.

28 Jan 2014

Researchers develop computational model to accurately simulate complex twists of RNA

A computational model developed by researchers at Rensselaer Polytechnic Institute is the first to accurately simulate the complex twists of a short sequence of RNA as it folds into a critical hairpin structure known as a "tetraloop."

17 Sep 2013

Cambridge Epigenetix’s pioneering TrueMethyl™ kit proves successful in beta trial

Cambridge Epigenetix Ltd. (CEGX), a leader in epigenetics tools innovation, today published the results of a successful beta trial evaluating their pioneering TrueMethyl™ oxidative bisulfite sequencing (oxBS-Seq) technology.

3 Sep 2013

Novel way to dramatically raise potency of drug candidates targeting RNA

Scientists from the Jupiter campus of The Scripps Research Institute (TSRI) have shown a novel way to dramatically raise the potency of drug candidates targeting RNA, resulting in a 2,500-fold improvement in potency and significantly increasing their potential as therapeutic agents.

6 Aug 2013

Proteins involved in immunity produce cancer-causing DNA mutations, study finds

A set of proteins involved in the body's natural defenses produces a large number of mutations in human DNA, according to a study led by researchers at the National Institutes of Health. The findings suggest that these naturally produced mutations are just as powerful as known cancer-causing agents in producing tumors.

15 Jul 2013

Findings uncover epigenomic modification that occurs during brain formation

Changes in the epigenome, including chemical modifications of DNA, can act as an extra layer of information in the genome, and are thought to play a role in learning and memory, as well as in age-related cognitive decline.

5 Jul 2013

TSRI scientists identify small molecules to control genetic defect responsible for muscular dystrophy

For the first time, scientists from the Florida campus of The Scripps Research Institute have identified small molecules that allow for complete control over a genetic defect responsible for the most common adult onset form of muscular dystrophy.

28 Jun 2013

Cytosine methylation plays key role in development of childhood ALL

Changes in an epigenetic mechanism that turns expression of genes on and off may be as important as genetic alterations in causing pediatric acute lymphoblastic leukemia, according to a study led by scientists at St. Jude Children's Research Hospital and published in the June 10 online edition of the Journal of Clinical Investigation.

11 Jun 2013

Researchers reveal how genes are turned on and off during early human development

A large, multi-institutional research team involved in the NIH Epigenome Roadmap Project has published a sweeping analysis in the current issue of the journal Cell of how genes are turned on and off to direct early human development.

10 May 2013

Individual hydroxymethylcytosine molecules in DNA detected by new method involving chemical modification and nanopore analysis

Changes in the bases that make up DNA act as markers, telling a cell which genes it should read and which it shouldn’t. In the journal Angewandte Chemie, a British team has now introduced a new method that makes it possible to enrich the rare gene segments that contain the modified base hydroxymethylcytosine and to identify individual hydroxymethylcytosine molecules in DNA. Such modifications are associated with autoimmune diseases and cancer.

24 Apr 2013

University of Utah researchers develop novel technique to identify RNA cytosine methyltransferases

Researchers from Huntsman Cancer Institute at the University of Utah have developed a novel and powerful technique to identify the targets for a group of enzymes called RNA cytosine methyltransferases in human RNA.

23 Apr 2013

Researchers shed new light on role of methylation in gene expression

Researchers at UC Davis and the University of British Columbia have shed new light on methylation, a critical process that helps control how genes are expressed.

28 Mar 2013

Scientists discover recurring pattern of more than 13,000 epigenetic alterations in young tumours

Tumourigenesis is driven by genetic alterations and by changes in the epigenome, for instance by the addition of methyl groups to cytosine bases in the DNA. A deeper understanding of the interaction between the genetic and epigenetic mechanisms is critical for the selection of tumour biomarkers and for the future development of therapies. Human tumour specimens and cell lines however contain a plethora of genetic and epigenetic changes, which complicate data analysis.

10 Feb 2013

Angiocidin reduces acute myeloid leukemia cells in vivo by almost two-thirds in pre-clinical studies

Angiocidin, a novel tumor-inhibiting protein, has been shown to reduce acute myeloid leukemia (AML) cells in vivo by almost two-thirds in pre-clinical experiments.

10 Dec 2012

Methylome modifications offer new measure of a person's biological age

Women live longer than men. Individuals can appear or feel years younger - or older - than their chronological age. Diseases can affect our aging process. When it comes to biology, our clocks clearly tick differently.

22 Nov 2012

UiO researchers discover enzyme critical for spread of cancer

Enzyme hunters at UiO have discovered the function of an enzyme that is important in the spreading of cancer. Cancer researchers now hope to inhibit the enzyme.

15 Nov 2012

University of Sheffield scientists reveal secrets of DNA repair

Scientists from the University of Sheffield have unlocked one of the secrets to DNA repair -helping doctors identify DNA base damage and a patient's susceptibility to certain types of cancer.

1 Nov 2012

Epigenetic changes due to methylation play a key role in altering genes in RA

It's not just our DNA that makes us susceptible to disease and influences its impact and outcome. Scientists are beginning to realize more and more that important changes in genes that are unrelated to changes in the DNA sequence itself - a field of study known as epigenetics - are equally influential.

4 Jul 2012