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1.
Journal of Experimental Hematology ; (6): 1406-1409, 2020.
Article Dans Chinois | WPRIM | ID: wpr-827104

Résumé

OBJECTIVE@#To explore the possible etiological factors of iron overload through detecting plasma hepcidin level of adult males at Tibet plateau.@*METHODS@#81 Tibetan male adult patients hospitalized in our department during January 2017 - December 2018 were selected, and divided into iron overload group and non-iron overload group. The difference in serum ferritin, serum iron, total iron binding capacity, hemoglobin, HBSAg, ALT, AST, albumin, creatinine and hepcidin of patients in each group were tested. To analyze the differences between groups. The regression analysis was applied to analyze the relationship between laboratory index and hepcidin.@*RESULTS@#The plasma hepcidin of iron overload group was significantly higher than that of the non-iron overload group [93.69 (65.57-133.92) ng/ml vs 63.93 (40.01-90.65) ng/ml] (P=0.005). And there was a positive correlation between plasma hepcidin and ferritin (β=0.03 ng/ml,95%CI 0.01-0.05) (P<0.01) and BMI (β=5.71 ng/ml,95%CI 0.54-10.88) (P<0.05).@*CONCLUSION@#Iron overload at Tibet plateau can not be attributed to hepcidin deficiency in Tibetan adult male patients. Iron metabolism disorders in Tibetan population may be associated with metabolic syndrome.


Sujets)
Adulte , Humains , Mâle , Ferritines , Hepcidines , Fer , Surcharge en fer , Tibet
2.
Journal of Experimental Hematology ; (6): 618-622, 2019.
Article Dans Chinois | WPRIM | ID: wpr-771910

Résumé

OBJECTIVE@#The explore the molecular basis of iron-overload in Tibet nationality population of Tibet.@*METHODS@#The inpatients with iron-overload in our department from Dec. 1st 2014 to Jul.31st 2016 were enrolled in this study. Abdominal MRI and the mutation sites C282Y and H63D in HFE exon were examined. For HFE mutation-negative patients, the non-HFE mutation was detected, including 5 HJV mutations of G320V, p.Q312X, p.D249H, p.I281T, p.C321X and 2 TFR2 mutations: (Y250X, I238M), and 2 SLC40A1 mutations: (V162del, N144H).@*RESULTS@#Among 113 iron overload patients, only one showed homozygous p.H63D mutation, and one showed heterozygosis p.H63D mutation. In 73 patients accepted non-HFE gene detection, only one was heterozygosis p.D249N mutation in HJV, and one was heterozygosis p.I238M mutation in TFR2.@*CONCLUSION@#Currently, the pathogenic gene for Tibetan iron-overload has not yet been found.


Sujets)
Humains , Génotype , Protéine de l'hémochromatose , Antigènes d'histocompatibilité de classe I , Surcharge en fer , Mutation , Tibet
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