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    • 4. 发明授权
    • Recombinant DNA, plasmid, transformed microorganism and vaccine protein for prevention and therapy of urinary tract infection
    • 重组DNA,质粒,转化微生物和疫苗蛋白,用于预防和治疗尿路感染
    • US07001744B2
    • 2006-02-21
    • US10877670
    • 2004-06-25
    • Suhk-Neung PyoYong-Hwa Lee
    • Suhk-Neung PyoYong-Hwa Lee
    • C12P21/06
    • A61K39/0258A61K39/107A61K2039/6037C07K14/245C07K14/28C12N15/62Y02A50/472Y02A50/474
    • Disclosed is a novel vaccine against Escherichia coli (E. coli) responsible for urinary tract infections. The vaccine is a recombinant chimeric protein which is prepared by linking by genetic recombination a gene encoding an antigenic determinant of uropathogenic E. coli to a CTXA2B gene encoding nontoxic A2 and B subunits of Vibrio cholerae cholera toxin (CTX) or a LTXA2B gene encoding nontoxic A2 and B subunits of E. coli heat-labile enterotoxin, wherein a translation product of the CTXA2B or LTXA2B gene serves as an immunogenic adjuvant stimulating mucosal immune responses, expressing the resulting recombinant gene in E. coli, and isolating and purifying an expressed recombinant fusion protein. The recombinant chimeric protein is useful as an oral vaccine with mild side effects and excellent vaccination efficiency against uropathogenic E. coli. Thus, the chimeric vaccine protein can remarkably reduce recurrence of urinary tract infections, prevent occurrence of antibiotic-resistant bacteria, and replace the conventional chemotherapy for urinary tract infections. Also, the chimeric vaccine protein has other advantages of being capable of being produced and commercialized in a short period with relatively low costs, and being easily modified by replacing its genetic constituents with other genes to provide various vaccines.
    • 公开了一种针对负责尿路感染的大肠杆菌(E. coli)的新型疫苗。 该疫苗是通过基因重组将编码尿毒症大肠杆菌的抗原决定簇的基因与编码无毒性A2和抗弧菌霍乱弧菌毒素(CTX)的B亚基的CTXA2B基因或编码无毒的LTXA2B基因的基因重组相结合而制备的重组嵌合蛋白 大肠杆菌热不稳定肠毒素的A2和B亚基,其中CTXA2B或LTXA2B基因的翻译产物用作刺激粘膜免疫应答的免疫原性佐剂,在大肠杆菌中表达所得重组基因,并分离和纯化表达的重组体 融合蛋白。 重组嵌合蛋白可用作具有轻度副作用的口服疫苗和针对致病性大肠杆菌的优良疫苗接种效率。 因此,嵌合疫苗蛋白质可显着降低尿路感染的复发,预防抗生素耐药细菌的发生,并替代传统的化学治疗尿路感染。 此外,嵌合疫苗蛋白质具有能够在相对较低成本的短时间内生产和商业化的其它优点,并且通过用其它基因替换其遗传成分以容易地修饰以提供各种疫苗。
    • 5. 发明申请
    • Recombinant DNA, plasmid, transformed microorganism and vaccine protein for prevention and therapy of urinary tract infection
    • 重组DNA,质粒,转化微生物和疫苗蛋白,用于预防和治疗尿路感染
    • US20050232938A1
    • 2005-10-20
    • US10877670
    • 2004-06-25
    • Suhk-Neung PyoYong-Hwa Lee
    • Suhk-Neung PyoYong-Hwa Lee
    • G06F17/30A61K39/02A61K39/106A61K39/108A61K39/116A61P13/02A61P31/04C07H21/04C07K14/245C07K14/28C07K19/00C12N1/15C12N1/19C12N1/21C12N5/10C12N15/09C12N15/31C12N15/62C12N15/63C12N15/70C12N15/74
    • A61K39/0258A61K39/107A61K2039/6037C07K14/245C07K14/28C12N15/62Y02A50/472Y02A50/474
    • Disclosed is a novel vaccine against Escherichia coli (E. coli) responsible for urinary tract infections. The vaccine is a recombinant chimeric protein which is prepared by linking by genetic recombination a gene encoding an antigenic determinant of uropathogenic E. coli to a CTXA2B gene encoding nontoxic A2 and B subunits of Vibrio cholerae cholera toxin (CTX) or a LTXA2B gene encoding nontoxic A2 and B subunits of E. coli heat-labile enterotoxin, wherein a translation product of the CTXA2B or LTXA2B gene serves as an immunogenic adjuvant stimulating mucosal immune responses, expressing the resulting recombinant gene in E. coli, and isolating and purifying an expressed recombinant fusion protein. The recombinant chimeric protein is useful as an oral vaccine with mild side effects and excellent vaccination efficiency against uropathogenic E. coli. Thus, the chimeric vaccine protein can remarkably reduce recurrence of urinary tract infections, prevent occurrence of antibiotic-resistant bacteria, and replace the conventional chemotherapy for urinary tract infections. Also, the chimeric vaccine protein has other advantages of being capable of being produced and commercialized in a short period with relatively low costs, and being easily modified by replacing its genetic constituents with other genes to provide various vaccines.
    • 公开了一种针对负责尿路感染的大肠杆菌(E.coli)的新型疫苗。 该疫苗是通过基因重组将编码尿毒症大肠杆菌的抗原决定簇的基因与编码无毒性A2和抗弧菌霍乱弧菌毒素(CTX)的B亚基的CTXA2B基因或编码无毒的LTXA2B基因的基因重组相结合而制备的重组嵌合蛋白 大肠杆菌热不稳定肠毒素的A2和B亚基,其中CTXA2B或LTXA2B基因的翻译产物用作刺激粘膜免疫应答的免疫原性佐剂,在大肠杆菌中表达所得重组基因,并分离和纯化表达的重组体 融合蛋白。 重组嵌合蛋白可用作具有轻度副作用的口服疫苗和针对致病性大肠杆菌的优良疫苗接种效率。 因此,嵌合疫苗蛋白质可显着降低尿路感染的复发,预防抗生素耐药细菌的发生,并替代传统的化学治疗尿路感染。 此外,嵌合疫苗蛋白质具有能够在相对较低成本的短时间内生产和商业化的其它优点,并且通过用其它基因替换其遗传成分以容易地修饰以提供各种疫苗。