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Visual Processing 'Hinders Ability' To Read Body Language: Autism Study
The way people with autism see and process the body language of others could be preventing them from gauging people"s feelings, according to new research.
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Cancer Survivors At Greater Risk Of Birth Complications; Special Monitoring Needed
Survivors of childhood cancer run particular risks when pregnant and should be closely monitored, the 25th annual conference of the European Society of Human Reproduction and Embryology heard today (Wednesday 1 July). Dr. Sharon Lie Fong, of the Department of Obstetrics and Gynaecology, Erasmus MC University Medical Centre, Rotterdam, The Netherlands, said that, although such women may have conceived spontaneously and considered themselves to be perfectly healthy, their deliveries should always take place in a hospital.
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Flu Alert For People With Asthma, Australia
The National Asthma Council Australia is urging the two million Australians with asthma to remain extremely vigilant and seek an immediate lung function check from their GP following new data from the US which confirms people with an underlying medical condition are at highest risk of complications from swine flu - with more than 40 percent of people in New York hospitalised from swine flu having asthma1.
Diagnostics

Teasing Apart T Helper Cells

The cytokine IL-9 promotes a multiple sclerosis-like disease in mice, according to a new study by Nowak et al. published online in the Journal of Experimental Medicine. In a related Commentary, Richard Locksley discusses the molecular and genetic regulation of cytokine production by CD4+ T helper (Th) cells and the plasticity among different Th subsets. The Commentary was published online in the Journal of Experimental Medicine on Monday, July 27th. Since the late 1980s, when the concept of Th1 and -2 were first introduced, several new subsets have arisen, including Th17 cells and regulatory T (T reg) cells. Recent attention has focused on a putative new Th cell subset with the propensity to secrete IL-9. But whether these "Th9" cells are truly a unique subset or whether many Th cell subsets can produce IL-9 under the right circumstances has been a matter of debate. Nowak and colleagues now show that a Th17-driven CNS disease was blunted in mice lacking IL-9. In vitro studies showed that IL-9 was produced primarily by Th17 and T reg cells - subsets that depend on TGF-beta for their differentiation. Thus IL-9 production may go hand-in-hand with the presence of TGF-beta rather than with a defined Th cell subset. Locksley, R.M., et al. 2009. J. Exp. Med. doi:10.1084/jem.20091442 Nowak, E.C., et al. 2009. J. Exp. Med. doi:10.1084/jem.20090246 Rita Sullivan Rockefeller University Press


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