0 Results: Results Among the 2849 HBV complete genome sequences,

0. Results: Results Among the 2849 HBV complete genome sequences, 217(8%) strains with Y(I/V) DD were identified. Of them, 120 had YIDD mutation and 97 had YVDD mutation. 1543 strains (54.2%) with PC-BCP mutation, seven mutation patterns of G1896A, G1899A, G1896A-G1899A, A1762T/G1764A, A1762T/G1764A-G1896A, A1762T/G1764A-G1899A, A1762T/G1764A-G1896A-G1899A were identified. Among the Y(I/V) DD strains, 165 (76%) strains had PC-BCP mutations. YV/IDD mutation with higher incidence of PC-BCP mutations were detected than without YMDD mutation (76% vs 24.0%, χ2 = 45.283,

P = 0.000), YIDD mutation with higher incidence of PC-BCP mutations than YVDD mutation (85% vs 64.9%, χ2 = 11.836, P = 0.001) and lamivudine (LAM) resistance of YI/VDD mutation with higher incidence of PC-BCP mutations than pre-existent YI/VDD (89.3% vs 58.9%, χ2 = 27.084, P = 0.000). The three patterns of G1896A-G1899A BTK inhibitor mutation (P = 0.000, OR = 7.573), A1762T/G1764A- G1899A mutation (P = 0.000, OR = 6.539) and A1762T/G1764A-G1896A-G1899A mutations (P = 0.000, OR = 6.596) have a higher tendency to develop YIDD mutation according to binary logistic analysis. Conclusion: Conclusion There is a relationship between HBV YI/VDD mutation and PC-BCP mutations. Different PC-BCP mutation patterns have different effect on YI/VDD mutation. Key Word(s): 1. Hepatitis B virus;

2. Y(I/V) DD mutation; 3. PC-BCP mutations; Table 1 Relative risks of YI/VDD according selleck inhibitor to Binary logisticl analysis for difference Pre Core-basic core

promotoe mutation pattens Factors YIDD YVDD 相对危险度 OR (95%CI) P 值 相对危险度 OR (95%CI) P 值 ? G1896A-G1899A 7.573 0.000 0 0.996 (3.77–15.212) (0–0) ? A1762T/G1764A 4.497 0.000 2.494 0.000 (2.729–7.410 ) (1.568–3.96) ? A1762T/G1764A+ G1896A 6.103 0.000 3.575 0.000 (3.474–10.725) (2.074–6.161) ? A1762T/G1764 A+ G1899A 6.539 0.000 0 0.997 (2.402–17.799) (0–0) ? A1762T/G1764A+G1896AA+1899G 6.596 0.000 0 0.997 (2.757–15.785) (0–0) Presenting Author: QIANQIAN ZHANG Additional Authors: XIAOLIN GUO Corresponding Author: QIANQIAN ZHANG, XIAOLIN GUO Affiliations: the first hospital of Jilin university Objective: Nucleoside Ureohydrolase analogues of antiretroviral drugs currently widely listed are entecavir, lamivudine, telbivudine, adefovir dipivoxil, each of which has its advantages and disadvantages. And entecavir with strong antiviral effect, rapid onset, low resistance, especially for patients with initial treatment or severe conditions, is the best choice for antiviral treatment at present. To observe the decrease of viral load of hepatitis B, the improvement of liver function and blood coagulation function of the patient of hepatitis B associated with acute on chronic liver failure after antiviral treatment with application of entecavir 1.0 mg/day, we reviewed 1 case with acute on chronic hepatitis B liver failure in our hospital. Methods: The patients of acute on chronic hepatitis B liver failure was administrated entecavir of 0.

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