Namdag, Bira

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Establishment of Reference Interval for M2BPGI Glyco-Biomarker in the Serum of Mongolian People
(Mongolian National University of Medical Sciences, 2020-12-29)
Uranbaigali Enkhbayar
;
Ser-Od Khuyagaa
;
Davaalkham Dambadarjaa
;
Bira Namdag
;
Otgonbayar Radnaa
Objectives: Establishment of reference interval for M2BPGI glyco-biomarker in the serum of relatively healthy Mongolian people. Methods: Serum analysis for M2BPGI glyco-biomarker, hepatitis virus markers, and AFP analysis were performed using a fully automated chemiluminescence immunoassay analyzer. Non-parametric methods were used for establishment of reference interval according to the guideline of the Clinical Laboratory Standards Institute. Statistical analysis was done by using SPSS ver. 20.0; SPSS Inc., Chicago, IL software. Results: Total of 3384 people were involved in this study. Of the total participants, 40% were overweight and 31.3% were obese. Also, of the population 10.1 percent were positive for HBsAg, 17 percent were positive for Anti-HCV, and 1.1 percent had co infection of both HBV and HCV. A total of the 316 individuals met the inclusion criteria for reference interval establishment and 77 (24.4%) of them were men and 239 (75.6%) were women. The reference interval of M2BPGI glyco-biomarker for men was 0.883 ± 0.311C.O.I and for women was 0.951 ± 0.411C.O.I. Conclusion: It is determined that the reference interval for M2BPGI glyco-biomarker in the serum of relatively healthy Mongolian people was 0.936 ± 0.391C.O.I.
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Prevalence, characteristics, and virologic correlations of hepatitis delta (D) among patients with hepatitis B surface antigen in Mongolia
(National Center for Global Health and Medicine (JST), 2024-04)
Gidaagaya, Sarantuya
;
Rokuhara, Akinori
;
Sugiyama, Masaya
;
Dorj, Sumiya
;
Barsuren, Batnasan
Clinical and biochemical features of hepatitis delta virus (HDV) infections in Mongolia remain largely unknown. We aimed to investigate the clinical characteristics of HDV patients in Mongolia using several markers. The 143 hepatitis B surface antigen (HBsAg)-positive patients were divided into 122 HDV-positive and 21 HDV-negative patients by HDV RNA positivity. Subgroup analysis was performed between hepatitis B e antigen (HBeAg)-positive and -negative HDV-positive patients. Liver function, quantitative HBsAg (qHBsAg), anti-HDV Immunoglobulin (Ig) M, Mac-2 binding protein glycosylation isomer (M2BPGi), hepatitis B virus (HBV) DNA level, and HDV RNA level were tested. HDV RNA was positive in 85.3% (122/143) of patients showing anti-HDV IgG. Liver disease activity was higher in HDV-positive patients than in HDV-negative patients. The HDV-positive group included a higher proportion of patients with high qHBsAg and M2BPGi levels (p < 0.001). The positivity rate for anti-HDV IgM was significantly higher in the HDV-positive group (p < 0.001). HDV RNA levels showed an inverse correlation with qHBsAg levels in HBeAg-positive-HDV-positive patients (r = -0.49, p = 0.034), and a positive correlation with qHBsAg levels in HBeAg-negative patients (r = 0.35, p < 0.001). Hepatitis B virus (HBV) DNA and HDV RNA levels did not show any correlation. M2BPGi levels likewise did not correlate with HDV RNA levels. A high positivity rate for HDV RNA was observed for HBV patients in Mongolia using the highly sensitive HDV RNA assay. The positivity rate for anti-HDV IgM was high in HDV RNA-positive patients. Severity of liver disease and M2BPGi levels were both high in the HDV RNA-positive group.
Scopus© Citations 2

Namdag, Bira

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