Articles from December 2009

‘Self-seeding’ of cancer cells may play a critical role in tumor progression

Cancer progression is commonly thought of as a process involving the growth of a primary tumor followed by metastasis, in which cancer cells leave the primary tumor and spread to distant organs. A new study by researchers at Memorial Sloan-Kettering Cancer Center shows that circulating tumor cells – cancer cells that break away from a [...]

Rice scientists divide and conquer

Half a protein is better than none, and in this case, it’s way better than a whole one. A Rice University lab has discovered that dividing a particular fluorescent protein and using it as a tag is handy for analyzing the workings of live cells, particularly in the way they employ iron-sulfur clusters.

Cockroaches offer inspiration for running robots

CORVALLIS, Ore. – The sight of a cockroach scurrying for cover may be nauseating, but the insect is also a biological and engineering marvel, and is providing researchers at Oregon State University with what they call “bioinspiration” in a quest to build the world’s first legged robot that is capable of running effortlessly over rough [...]

There may be a ‘party’ in your genes

Los Angeles, London, New Delhi, Singapore and Washington DC (Dec 28, 2010) Genetics play a pivotal role in shaping how individual’s identify with political parties , according to an article in a recent issue of Political Research Quarterly, the official journal of the Western Political Science Association (published by SAGE).

A ‘fountain of youth’ for stem cells?

Researchers from the University of Hong Kong and the Massachusetts Institute of Technology have published a study in the current issue of Cell Transplantation (18:9), now freely available on line at http://www.ingentaconnect.com/content/cog/ct, that explores ways to successfully keep stem cells “forever young” during implantation by slowing their growth, differentiation and proliferation.

First molars provide insight into evolution of great apes, humans

TEMPE, Ariz. – The timing of molar emergence and its relation to growth and reproduction in apes is being reported by two scientists at Arizona State University’s Institute of Human Origins in the Dec. 28 online early edition of the Proceedings of the National Academy of Sciences (PNAS).

Alzheimer’s Disease May Protect Against Cancer and Vice Versa

People who have Alzheimer’s disease may be less likely to develop cancer, and people who have cancer may be less likely to develop Alzheimer’s disease, according to a new study published in the December 23, 2009, online issue of Neurology®, the medical journal of the American Academy of Neurology.

Genetic study clarifies African and African-American ancestry

People who identify as African-American may be as little as 1 percent West African or as much as 99 percent, just one finding of a large-scale, genome-wide study of African and African-American ancestry released today.

Drug-resistant urinary tract infections spreading worldwide

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High-blood-pressure treatment for the over-80s too aggressive, warns expert

People over 80 years are being treated too aggressively for high blood pressure, warns an expert in an editorial in BMJ Clinical Evidence this week.