Fetal hemoglobin (HbF) synthesis in baboons, Papio cynocephalus. Analysis of fetal and adult hemoglobin synthesis during fetal development

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Fetal hemoglobin (HbF) synthesis in baboons, Papio cynocephalus. Analysis of fetal and adult hemoglobin synthesis during fetal development.

Fetal hemoglobin (HbF) and adult hemoglobin (HbA) synthesis was studied in fetal baboons, Papio cynocephalus, to determine the normal pattern of hemoglobin production during fetal development. Fetuses ranging from 53 to 180 days gestation (term gestation 184 days) were used. Erythroid cells were incubated with 3H-L-leucine, and the rates of globin chain synthesis and the distribution of radioac...

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5-Azacytidine stimulates fetal hemoglobin synthesis in anemic baboons.

In an attempt to stimulate Hb F synthesis in baboons by means other than erythropoietic stress, we considered the possibility that an agent that inhibits methylation of CpG sequences in DNA may be effective. 5-Azacytidine, a cytosine analogue that cannot be methylated, is such an agent. Animals whose packed red cell volume was maintained at approximately 20% by bleeding were given 10 daily intr...

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Aggregation of adult and fetal hemoglobin by ingested nitrate anions

The ingested nitrates sourced from tap water, food, chemicals and pharmaceuticals areconverted to nitrites in the body surfaces by bacteria and then, the nitrite ions can lead thestructural changing in hemoglobin. In the present work, aggregation of the purified hemoglobinin adult (HbA) and in fetus or newborn (HbF) in the presence of nitrite ions were studied.Hemoglobin aggregation was perform...

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Postnatal Fetal and Adult Hemoglobin Synthesis in D Trisomy Syndrome

Studies were carried out during the neonatal period in three infants with D1 trisomy syndrome to measure the proportion of fetal and adult hemoglobin being synthesized. These values were compared on the one hand to those previously reported from samples obtained from cord blood of normal newborn infants ranging from 25 to 43 wk gestation, and on the other hand to those values determined in crit...

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ژورنال

عنوان ژورنال: Blood

سال: 1979

ISSN: 0006-4971,1528-0020

DOI: 10.1182/blood.v53.1.19.19