Thursday, April 26, 2007

Earwax and breast milk   posted by the @ 4/26/2007 12:57:00 AM
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Miura, Yoshiura, Miura, Shimada, Yamasaki, Yoshida, et al. A strong association between human earwax-type and apocrine colostrum secretion from the mammary gland. Human Genetics.

Here we provided the first genetic evidence for an association between the degree of apocrine colostrum secretion and human earwax type. Genotyping at the earwax-type locus, rs17822931 within the ABCC11 gene, revealed that 155 of 225 Japanese women were dry-type and 70 wet-type. Frequency of women without colostrum among dry-type women was significantly higher than that among wet-type women (P < 0.0002), and the measurable colostrum volume in dry-type women was significantly smaller than in wet-type women (P = 0.0341).


Related from Razib: Here are two posts from me on earwax distributions worldwide.

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