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Tag: twins

August 2013
News

Genetics: Methyl groups on DNA modify Rett symptoms

by  /  20 August 2013

Methylation — modifications to DNA that regulate gene expression — may explain why identical twins with the same Rett syndrome mutation have different symptoms, according to a study published 21 June in PLoS One.

0 Comments
July 2013
Multimedia / Webinars

Francesca Happe presents ‘fractionated triad’ model

24 July 2013

Watch the complete replay of Francesca Happé discussing how autism’s constellation of symptoms may have independent biological causes. Submit your own follow-up questions.

10 Comments
News / Toolbox

Genetics algorithm reveals mosaic mutations

by  /  10 July 2013

A new software tool detects chromosomal alterations present in only a subset of cells in the body. This method, described 31 May in BMC Genomics, may help reveal mosaicism’s contribution to neurological disorders.

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May 2013
News

Twin study finds epigenetic imprint of autism traits

by  /  16 May 2013

Epigenetics, or the chemical markings on DNA that affect gene expression, plays a role in some cases of autism, according to a study of 50 identical twins published 23 April in Molecular Psychiatry.

6 Comments
April 2013
Opinion / Viewpoint

Japanese spectrum

by  /  9 April 2013

Researchers studying autism prevalence should take into account the continuous nature of autism symptoms in the general population, says John Constantino.

1 Comment
February 2013
News

Twin study suggests girls are protected from autism risk

by  /  28 February 2013

A comparison of autism-like behaviors in nearly 10,000 pairs of fraternal twins suggests that girls are somehow protected from the disorder. The findings, published 19 February in the Proceedings of the National Academy of Sciences, may partly explain why autism is four times more common in boys than girls.

11 Comments
News

Clinical research: Attention deficit forecasts autism traits

by  /  5 February 2013

Children with attention difficulties may later show signs of autism, such as trouble holding a conversation, according to a study published 14 November in Psychological Medicine.

8 Comments
January 2013
Opinion / Viewpoint

Why crowdsourcing is not just for Wikipedia

by ,  /  22 January 2013

Crowdsourcing allows volunteers to become citizen scientists, archivists and journalists. Ventures such as the Interactive Autism Network can harness their power to advance autism research, say Paul Law and Cheryl Cohen.

2 Comments
December 2012
News

Genetics: Searching for answers

by  /  6 December 2012

Solving the riddle of autism genetics will require looking beyond the growing list of candidate genes to epigenetics and personalized medicine.

0 Comments
July 2012
Opinion

Twin differences

by  /  31 July 2012

Identical twins are born with significant differences in the chemical modifications to their DNA, suggesting that the uterine environment can profoundly influence development and risk for disease.

2 Comments