%0 Journal Article %T Molecular characterization of alpha-thalassemia in the Mexican population %A Reyes-Nu£¿¨¦z %A Virginia %A Garc¨¦s-Eisele %A Javier %A Jorge %A Susan %A Kimura %A Elza %A Ferreira-Costa %A Fernando %A Sonati %A Mar¨ªa de F¨¢tima %A Ruiz-Reyes %A Guillermo %J Revista de investigaci¨®n cl¨ªnica %D 2006 %I Scientific Electronic Library Online %X background. ¦Á-thalassemia (¦Á-thal) has been poorly characterized at the molecular level in mexico. methods. 106 consecutive individuals identified in laboratorios cl¨ªnicos de puebla, with either hypochromia (mch < 24 pg) and/or microcytosis (mcv < 75 fl in women or < 80 fl in man), without iron deficiency, with or without anemia were investigated in this study, along a 16 month-period, ¦Á and ¦Â-thal were looked for, the former were characterized at the molecular level. results. out of the 106 consecutive cases with hypochromia and/or microcytosis and normal levels of protoporphyrin zinc complex, 48 cases (45.3%) had thalassemia (37 cases of ¦Â-thal and 11 cases of ¦Á-thal), whereas in 58 cases (54.7%) a definite diagnosis could not be established. of the ¦Á-thal cases, 8 were heterozygous and two were homozygous for the -¦Á3.7 deletion, whereas one case was heterozygous for the ¦Á2hph allele. conclusions. only few of the ¦Á-thal alleles tested were found, thus the ¦Á-thalassemic mutations, present in the studied population, seem to be rather heterogeneous. %K thalassemia %K anemia %K mexico. %U http://www.scielo.org.mx/scielo.php?script=sci_abstract&pid=S0034-83762006000300007&lng=en&nrm=iso&tlng=en