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| 1 | Hepatitis B virus subgenotypes and basal core promoter mutations in Indonesia显示文摘AIM:To identify the distribution of hepatitis B virus (HBV) subgenotype and basal core promoter (BCP) mutations among patients with HBV-associated liver disease in Indonesia.METHODS: Patients with chronic hepatitis (CH, n=61), liver cirrhosis (LC, n=62), and hepatocellular carcinoma (HCC,n=48) were included in this study. HBV subgenotype was identified based on S or preS gene sequence, and mutations in the HBx gene including the overlapping BCP region were examined by direct sequencing.RESULTS: HBV genotype B (subgenotypes B2, B3, B4, B5 and B7) the major genotype in the samples, accounted for 75.4%, 71.0% and 75.0% of CH, LC and HCC patients, respectively, while the genotype C (subgenotypes C1, C2 and C3) was detected in 24.6%, 29.0%, and 25.0% of CH, LC, and HCC patients, respectively. Subgenotypes B3 (84.9%) and C1 (82.2%) were the main subgenotype in HBV genotype B and C, respectively. Serotype adw2 (84.9%) and adrq+ (89.4%) were the most prevalent in HBV genotype B and C, respectively. Double mutation (A1762T/G1764A) in the BCP was significantly higher in LC (59.7%) and HCC (54.2%) than in CH (19.7%), suggesting that this mutation was associated with severity of liver disease. The T1753V was also higher in LC (46.8%), but lower in HCC (22.9%) and CH (18.0%), suggesting that this mutation may be an indicator of cirrhosis.CONCLUSION: HBV genotype B/B3 and C/C1 are the major genotypes in Indonesia. Mutations in BCP, such as A1762T/G1764A and T1753V, might have an association with manifestations of liver disease. | Andi Utama Sigit Purwantomo Marlinang Diarta Siburian Rama Dhenni Rino Alvani Gani Irsan Hasan Andri Sanityoso Upik Anderiani Miskad Fardah Akil Irawan Yusuf Wenny Astuti Achwan Soewignjo Soemohardjo Syafruddin AR Lelosutan Ruswhandi Martamala Benyamin Lukito Unggul Budihusodo Laurentius Adrianus Lesmana Ali Sulaiman Susan Tai | 2009 | World Journal of Gastroenterology2009，15，32： | 4 |
| 2 | Association of core promoter mutations of hepatitis B virus and viral load is different in HBeAg(+) and HBeAg(-) patients显示文摘AIM:To identify the prevalence of hepatitis B e antigen (HBeAg) and to assess the association of hepatitis B virus (HBV) core promoter mutations and viral load in Indonesian patients.METHODS:Sixty-four patients with chronic hepatitis,65 with liver cirrhosis and 50 with hepatocellular carcinoma were included in this study.HBeAg and hepatitis B e antibody (HBeAb) tests were performed using enzyme-linked immunosorbent assay and the mutations were analyzed by sequencing.Viral load was measured by real-time polymerase chain reaction.RESULTS:Of 179 patients,108 (60.3%) were HBeAg(-) and 86 (79.6%) of these HBeAg(-) patients had been seroconverted.The A1896 mutation was not found in HBeAg(+) patients,however,this mutation was detected in 70.7% of HBeAg(-) patients.This mutation was frequently found when HBeAg was not expressed (87.7%),compared to that found in HBeAg seroconverted patients (65.1%).The A1899 mutation was also more prevalent in HBeAg(-) than in HBeAg(+) patients (P=0.004).The T1762/A1764 mutation was frequently found in both HBeAg(+) and HBeAg(-) patients,however,the prevalence of this mutation did not significantly differ among the two groups (P=0.054).In HBeAg(+) patients,the T1762/A1764 mutation was correlated with lower HBV DNA (P < 0.001).The A1899 mutation did not correlate with HBV DNA (P=0.609).In HBeAg(-) patients,the T1762/A1764 mutation alone was not correlated with HBV DNA (P=0.095),however,the presence of either the T1762/A1764 or A1896 mutations was associated with increased HBV DNA (P < 0.001).CONCLUSION:The percentage of HBeAg(-) patients is high in Indonesia,and most of the HBeAg(-) patients had been seroconverted.The A1896 mutation was most likely the major cause of HBeAg loss.The T1762/A1764 mutation alone was associated with lower viral loads in HBeAg(+) patients,but not in HBeAg(-) patients. | Andi Utama Marlinang Diarta Siburian Sigit Purwantomo Mariana Destila Bayu Intan Tri Shinta Kurniasih Susan Tai Rino Alvani Gani Laurentius Adrianus Lesmana All Sulaiman Wenny Astuti Achwan Soewignjo Soemohardjo Arnelis Nasrul Zubir Julius Syafruddin AR Lelosutan Benyamin Lukito Tantoro Harmono | 2011 | World Journal of Gastroenterology2011，17，6： | 3 |
| 3 | Hepatitis B virus pre-S2 start codon mutations in Indonesian liver disease patients显示文摘AIM: To identify the prevalence of pre-S2 start codon mutations and to assess their association with liver disease progression. METHODS: The mutations were identified by direct sequencing from 73 asymptomatic carriers, 66 chronic hepatitis (CH), 66 liver cirrhosis (LC) and 63 hepatocellular carcinoma (HCC) patients. Statistical significances were determined using Fisher's exact test, χ 2 test, and t -test analyses whenever appropriate. Pre-S mutation as a risk factor for advanced liver disease was estimated by unconditional logistic regression model adjusted with age, sex, and hepatitis B e antigen (HBeAg). P < 0.05 was considered significant. RESULTS: Mutation of the hepatitis B virus (HBV) pre-S2 start codon was found in 59 samples from 268 subjects (22.0%), with higher prevalence in patients with cirrhosis 27/66 (40.9%) followed by HCC 18/63 (28.6%), chronic hepatitis 12/66 (18.2%) and asymptomatic carriers 2/73 (2.7%) (P < 0.001). Logistic regression analysis showed that pre-S2 start codon mutation was an independent factor for progressive liver disease. Other mutations, at T130, Q132, and A138, were also associated with LC and HCC, although this was not statistically significant when adjusted for age, sex, and HBeAg. The prevalence of pre-S2 start codon mutation was higher in HBV/B than in HBV/C (23.0% vs 19.1%), whilst the prevalence of T130, Q132, and A138 mutation was higher in HBV/C than in HBV/B. The prevalence of pre-S2 start codon mutation was higher in LC (38.9%) and HCC (40.0%) than CH (5.6%) in HBeAg(+) group, but it was similar between CH, LC and HCC in HBeAg(-) group. CONCLUSION: Pre-S2 start codon mutation was higher in Indonesian patients compared to other Asian countries, and its prevalence was associated with advanced liver disease, particularly in HBeAg(+) patients. | Andi Utama Marlinang Diarta Siburian Ismail Fanany Mariana Destila Bayu Intan Rama Dhenni Tri Shinta Kurniasih Syafruddin AR Lelosutan Wenny Astuti Achwan Nasrul Zubir Arnelis Benyamin Lukito Irawan Yusuf Laurentius Adrianus Lesmana Ali Sulaiman | 2012 | World Journal of Gastroenterology2012，18，38： | 3 |
| 4 | Description of Armigeres{Armigeres) alkatirii, a new species from Sulawesi, Indonesia(Diptera: Culicidae)显示文摘 | Toma T Miyagi I Syafruddin | 1995 | Mosquito Syst1995，27，2： | 1 |
| 5 | Behavioural strategies used by the hookworms Necator americanus and Ancylostoma dtmdenale to find, recognize and invade the human host 显示文摘 | Haas W Haberl B Syafruddin | 2005 | Parasitol Res2005，95，1： | 1 |
| 6 | MicroRNA- 200c and microRNA-31 regulate proliferation, colony for- mation, migration and invasion in serous ovarian cancer 显示文摘 | Ibrahim FF Jamal R Syafruddin SE | 2015 | J Ovarian Res2015，8，： | 1 |
| 7 | Relationships between Harmonic Characteristics and Different Types of Voltage Source 显示文摘 | RISNIDAR C DAUT I SYAFRUDDIN H | 2012 | Telkomnika2012，10，2： | 1 |
| 8 | Molecular epidemiology of Plasmodiumfalciparum resistance to antimalarial drugs in Indonesia 显示文摘 | Syafruddin D Asih PB Casey G J | 2005 | Am J Trop Med Hyg2005，72，2： | 1 |
| 9 | Molecular epidemiology of Plasmodium falciparum resistance to antimalarial drugs in Indonesia显示文摘 | Syafruddin D Asih PB Casey GJ | | 0，，02： | 1 |
| 10 | Frequency distribution of antimalarial drug-resistant alleles among isolates of Plasmodium falciparum in Purworejo district,Central Java Province,Indonesia显示文摘 | Syafruddin D Asih PB Aggarwal SL | 2004 | Am J Trop Med Hyg2004，69，6： | 1 |
| 11 | Description of Armigeres{Armigeres) alkatirii, a new species from Sulawesi, Indonesia(Diptera: Culicidae)显示文摘 | Toma T Miyagi I Syafruddin | 1995 | Mosquito Syst1995，27，2： | 1 |
| 12 | The effects of docosahexaenoic acid-rich fish oil on behavior,school attendance rate and malaria infection in school chihtren-a double-blind,randomized,placebocontrolled trial in Lampung,Indonesia显示文摘 | Hamazaki K Syafruddin D Tunru IS | 2008 | Asia Pac J Clin Nutr2008，17，2： | 1 |
| 13 | Detection of 1014F kdr mutation in four major Anopheline malaria vectors in Indonesia显示文摘 | Syafruddin D Hidayati AP Asih PB | | 0，，： | 1 |
| 14 | Be- havioural strateg!es used by the hookworms Necator americanus and Ancylostoma duodenale to find, rec- ognize and invade the human host显示文摘 | HAAS W HABERL B SYAFRUDDIN | 2005 | Parasitol Res2005，95，1： | 1 |
| 15 | Industrial Vision of High Efficiency Motors显示文摘 | K. Anayet I. Daut H. Syafruddin | 2010 | Journal of Energy and Power Engineering2010，4，7： | 0 |
| 16 | Evaluation of Immune Response in Mouse Blood Post Injection with Gamma Ray-Attenuated Sporozoites of Plasmodium berghei显示文摘 | Mukh Syaifudin Darlina Tur Rahardjo Siti Nurhayati Devita Tetriana Zubaidah Alatas Puji Budi Setia Asih Din Syafruddin Rita Marleta Dewi | 2014 | Journal of US-China Medical Science2014，11，2： | 0 |
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