Neonatal screening for amino acidaemias in Karnataka, south India
Rao, N.A., Devi, A.R., Savithri, H.S., Rao, S.V. and Bittles, A.H. (1988) Neonatal screening for amino acidaemias in Karnataka, south India. Clinical Genetics, 34 (1). pp. 60-63.
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Consanguineous marriages are strongly favoured among the peoples of South India. Because of the potential genetic risks resulting from inbreeding, a neonatal screening project was established in 1980 in the state of Karnataka for the identification of amino acidaemias. To date, blood samples obtained by toe-stab from 98,256 neonates have been tested by thin layer chromatography, with 46 single and 70 general amino acidaemias detected. The coefficients of inbreeding (F) for the two groups of neonates were 0.0336 and 0.0350, by comparison with a previously determined F value for the general, new-born population of 0.0298. The most common single abnormality detected was tyrosinaemia, with spontaneous resolution in the majority of cases.
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