TITLE

Hemoglobin Fontainebleau [a21(B2)Ala>Pro]: The second report from India

AUTHOR(S)
Mashon, Ranjeet Singh; Nair, Sona; Sawant, Pratibha; Colah, Roshan B.; Ghosh, Kanjaksha; Das, Sheila
PUB. DATE
September 2013
SOURCE
Indian Journal of Human Genetics;Jul-Sep2013, Vol. 19 Issue 3, p352
SOURCE TYPE
Academic Journal
DOC. TYPE
Case Study
ABSTRACT
Structural hemoglobin (Hb) variants are mainly due to point mutations in the globin genes resulting in single amino acid substitutions. Until date, about 200 alpha chain variants have been identified and they are usually detected during the hemoglobinopathy screening programs. Under a community control program for hemoglobinopathies, which involved screening of antenatal cases followed by prenatal diagnosis if indicated. Here, we report a rare alpha globin gene variant Hb Fontainebleau [a21(B2)Ala>Pro] detected in the heterozygous condition in a 35-year-old pregnant lady screened during this program. This is the second report of this alpha globin variant from India. Unlike the earlier case from India where Hb Fontainebleau was reported in a neonate who was also a carrier of Hb Sickle and had no clinical problems, this case presented with a bad obstetric history associated with the secondary infertility. However, the presence of the variant and the obstetric complications may be unrelated.
ACCESSION #
91920293

 

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