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Science News for October 31, 2004


Genetics testing saves health care dollars

A study published in Clinical Genetics found that genetic testing for a rare cancer syndrome saved $16,900 per year for 54 family members. The test also identified two asymptomatic family members who underwent prophylactic surgery to significantly decrease their risk of cancer.

SourceUniversity of Alberta·JournalClinical Genetics·DateOct 31, 2004
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Wistar study demonstrates heritability of non-genomic information

A new Wistar Institute study suggests that epigenetic information can be passed from generation to generation, complicating the standard model of genetics. The research findings support the theories of Jean-Baptiste Lamarck, who proposed that traits acquired by parents during their lives could be passed on to offspring.

SourceThe Wistar Institute·JournalGenes & Development·DateOct 31, 2004

Researchers shed light on cancer susceptibility using 'supermice'

Researchers have developed 'supermice' with an extra copy of the Ink4a/Arf tumor suppressor locus, revealing increased resistance to cancer. The study implies that differences in gene expression levels of tumor suppressors significantly contribute to the risk of developing cancers and may influence therapeutic development.

SourceCold Spring Harbor Laboratory·JournalGenes & Development·DateOct 31, 2004