<正> The fetal hemoglobins of umbilical cord blood samples from 437 chinese babies born in Shanghai have been analyzed by HPLC to determine the presence and the quantities of the ~Gγ chains, the ~Aγ~I chain, a...<正> The fetal hemoglobins of umbilical cord blood samples from 437 chinese babies born in Shanghai have been analyzed by HPLC to determine the presence and the quantities of the ~Gγ chains, the ~Aγ~I chain, and its variant the ~Aγ~T chain. The ~Aγ~T chain frequency of 0.08 was significantly lower than that observed in Black newborn babies in the USA (f = 0.104). Similar data on Caucasian newborns are not yet available. Most babies had ~Gγ chain values between 62 and 77% but some had values in展开更多
文摘<正> The fetal hemoglobins of umbilical cord blood samples from 437 chinese babies born in Shanghai have been analyzed by HPLC to determine the presence and the quantities of the ~Gγ chains, the ~Aγ~I chain, and its variant the ~Aγ~T chain. The ~Aγ~T chain frequency of 0.08 was significantly lower than that observed in Black newborn babies in the USA (f = 0.104). Similar data on Caucasian newborns are not yet available. Most babies had ~Gγ chain values between 62 and 77% but some had values in