determination of haptoglobin genotype in an iranian population with idiopathic generalized epilepsy

نویسندگان

sukaina al-balaghee department of biology, al zahra university, tehran, iran

zeinab al-balaghee department of biology, al zahra university, tehran, iran

ashraf shabani department of biology, al zahra university, tehran, iran

parinaz ghadam department of biology, al zahra university, tehran, iran

چکیده

background: haptoglobin (hp) is a plasma α2-sialoglycoprotein that contains alpha and beta chains. it displays in three common phenotypes, hp1-1, hp2-1, and hp2-2. proteins expressed by polymorphic genes have grossly different molecular sizes resulting in different diffusion rates in the brain. haptoglobin expressed by the hp2-2 genotype has lower hemoglobin-binding capacity than hp1-1 or hp2-1 and is associated with idiopathic generalized epilepsy. methods: to determine polymorphism in haptoglobin genes in patients with idiopathic generalized tonic-clonic seizures, 42 men, 42 women, and 50 controls were selected for this study. genomic dna was extracted from blood and studied by polymerase chain reactions (pcr). results: the amplified fragments for the hp1-1 and hp2-2 genotypes were 1757 and 3481 base pairs (bp) respectively, and the hp2-1 genotype had both fragments, in addition to a 349-bp fragment. the distribution of the three major hp phenotypes in epilepsy patients was 28.6 (1-1), 38.1 (2-1), and 33.3% (2-2) in the men, and 31 (1-1), 40.5 (2-1), and 28.6% (2-2) in the women. the distribution of hp genotypes in controls was 22 (1-1), 40 (2-1), and 38% (2-2). conclusion: we show that all hp genotypes participate in idiopathic generalized epilepsy.

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Determination of Haptoglobin Genotype in an Iranian Population with Idiopathic Generalized Epilepsy

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عنوان ژورنال:
reports of biochemistry and molecular biology

جلد ۳، شماره ۲، صفحات ۵۱-۵۵

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