Namdag, Bira

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Burden of Chronic Hepatitis D in Mongolia
(Mongolian National University of Medical Sciences, 2020-12-29)
Gidaagaya, Sarantuya
;
Namdag, Bira
;
Batmunkh, Munkhbat
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Quantitative Serum HBsAg and M2BPGi Levels in Patients with Chronic Hepatitis D
(Mongolian National University of Medical Sciences, 2016-11-25)
Sarantuya Gidaagaya
;
Uranbaigali Enkhbayar
;
Ariunaa Bayarjargal
;
Uyanga Bayarsaikhan
;
Sumiya Dorj
Objectives: Quantification of serum HBsAg has several clinical significances such as acting as a biomarker for the hepatitis D virus (HDV)-RNA level and necroinflammatory activity in HDV infection. The WFA+-M2BP is a new glyco-biomarker for liver fibrosis. The aim of this study was to compare the quantitative HBsAg and M2BPGi levels between groups of HBV infected patients with or without HDV infection. Methods: Totally, 112 consecutive HBsAg carriers with or without HDV infection (median age 36 vs 38) were enrolled in the study. Serum HBsAg and M2BPGi levels were measured using commercial tests. Results: Mean qHBsAg concentrations were 3.8 ±0.6 log IU/mL and 3.5 ±0.8 log IU/mL in the HDV positive and HDV negative HBsAg carriers, respectively (p = 0.02). Yet 45 patients out of 56 HDV positive patients have HBsAg level >2000 IU/mL whereas only 33 patients in the HBV mono infected group had concentrations this high. The mean M2BPGi was a 1.2 cut-off index (COI) in the HDV negative group vs. 2.1 COI in the HDV positive group (p<0.001). Conclusion: The qHBsAg level was higher in HDV positive patients compared with HDV negative subjects. But qHBsAg levels were higher in the HBeAg positive subjects despite the presence of HDV infection. The mean M2BPGi value in the HDV positive group was higher than in HDV negative subjects.
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Association Between IL-28B Polymorphism and Clinical Laboratory Features in Patients with Chronic Hepatitis D
(Mongolian National University of Medical Sciences, 2017-11-25)
Bayarsaikhan, Uyanga
;
Gidaagaya, Sarantuya
;
Namdag, Bira
;
Batjargal, Azjargal
Objectives: We aimed to determine an association between IL-28B rs12989760 single nucleotide polymorphism (SNP) and clinical laboratory parameters in patients with chronic hepatitis D. Methods: A total of 59 patients who were chronically infected with HDV were had their serum tested for the presence of qHBsAg, anti-HBs, HBeAg, anti-HBe, anti-HBc, anti-HCV, anti-HDV IgM, anti-HDV IgG, HDV RNA, HBV DNA and AFP. Liver function tests, coagulation tests and CBC were also performed. IL-28B polymorphism was performed using a TaqMan 5' allelic discrimination assay by real time PCR. Results: Of these 59 patients, 40 patients (67.8 %) carried the rs12979860CC homozygote genotype, 11 patients (18.6%) were rs12979860CC homozygote and 8 patients (13.6%) were rs12979860CT heterozygote. Alkaline phosphatase and direct bilirubin values were higher (p<0.05) and total protein levels were lower (p<0.05) in patients who were homozygotes for the T allele as opposed to the carriers of the C allele. AFP levels were significantly higher (p=0.02) in the rs12979860 TT genotype group. Liver enzymes including AST, ALT and GGT were significantly not higher in patients who carry C allele (p>.05). Conclusion: The most frequent genotype was IL-28B rs12979860CC among patients with chronic hepatitis D. The IL-28B rs12979860 polymorphism was associated with some abnormal liver function test parameters and AFP levels. Additional studies are necessary to understand the immune mechanisms of IL-28B polymorphism in HDV infection.

Namdag, Bira

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