Blood groups and red cell acid phosphatase types in a Mixteca population resident in Mexico City

Article Abstract:

Red cell acid phosphatase (ACP) types and blood groups have been studied in a Mixteca population, an Amerindian group, of Mexico City. The group has been in the city since 1950, having come from three locales. Frequencies in all cases were in Hardy-Weinberg equilibrium. ABO frequency differences were significant when subjects from the three areas were simultaneously compared. Rh frequencies differed between the high-area and low-area populations only. ACP frequencies were significantly different between the high-area Mixteca group and a Mestizo population, all from Oaxaca.

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Interethnic genetic differentiation: HLA class I antigens in the population of Mongolia

Article Abstract:

Researchers attribute the genetic diversity of the 1668 individuals sampled from the Mongolian population to ethnic characteristics of the people and their nomadic way of life. Such characteristics distinctive to Mongoloid, Caucasoid, and Negroid populations were found in antigens taken from the sample.

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Enzyme immunoassay for total immunoglobulin E in dried blood spots

Article Abstract:

The total d (IgE) levels are quantitatively analyzed by an enzyme immunoassay protocol for a dried blood sample. The degradation of IgE was rapid at higher temperatures and hence requires refrigeration within 1-2 days of collection.

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