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Iranian Biomedical Journal، جلد ۱، شماره ۴، صفحات ۱۹-۲۶
عنوان فارسی Isolation, Subtype Determination, Cloning and Expression of HBsAg Gene from an Iranian Carrier in Saccharomyces cerevisiae
چکیده فارسی مقاله The Hepatitis B Surface antigen ( HBsAg) gene was isolated from an Iranian HBeAg positive carrier by PCR. The gene was cloned in pUC19 for sequencing and pYES2 for expression in Saccharomyces cerevisiae, which pNF1 and pDF3 constructs were made respectively. The sequencing data showed that the isolated HBsAg gene shared more than 90% homology with the ayw subtype. The pDF3 was transferred into the yeast strain and expression of the HBsAg was induced. Yeast-derived HBsAg was purified by immunoaffinity chromatography and checked by ELISA, Western blot analysis and con‌firmatory ELISA. The immunogenicity test in mice showed that injection of the yeast-derived re‌combinant HBsAg could induce the immunologic response against the antigen. 320 fold dilution of the mouse serum was positive for anti-HBsAg. The amount of HBsAg expressed in yeast constitute 1% of the total cell soluble protein.
کلیدواژه‌های فارسی مقاله HBV، HBsAg S. cerevisiae
عنوان انگلیسی Isolation, Subtype Determination, Cloning and Expression of HBsAg Gene from an Iranian Carrier in Saccharomyces cerevisiae
چکیده انگلیسی مقاله The Hepatitis B Surface antigen ( HBsAg) gene was isolated from an Iranian HBeAg positive carrier by PCR. The gene was cloned in pUC19 for sequencing and pYES2 for expression in Saccharomyces cerevisiae, which pNF1 and pDF3 constructs were made respectively. The sequencing data showed that the isolated HBsAg gene shared more than 90% homology with the ayw subtype. The pDF3 was transferred into the yeast strain and expression of the HBsAg was induced. Yeast-derived HBsAg was purified by immunoaffinity chromatography and checked by ELISA, Western blot analysis and con‌firmatory ELISA. The immunogenicity test in mice showed that injection of the yeast-derived re‌combinant HBsAg could induce the immunologic response against the antigen. 320 fold dilution of the mouse serum was positive for anti-HBsAg. The amount of HBsAg expressed in yeast constitute 1% of the total cell soluble protein.
کلیدواژه‌های انگلیسی مقاله HBV, HBsAg S. cerevisiae
نویسندگان مقاله علی فرهودی مقدم | ali a farhoudi moghaddam


nickolay n domansky | nickolay n domansky


عبدل علی ضیایی | a a ziaee


نشانی اینترنتی http://ibj.pasteur.ac.ir/browse.php?a_code=A-10-1-443&slc_lang=en&sid=en
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