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展开理想的翅膀 让梦想照进现实 Sidong Xiong, Ph.D

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Presentation on theme: "展开理想的翅膀 让梦想照进现实 Sidong Xiong, Ph.D"— Presentation transcript:

1 展开理想的翅膀 让梦想照进现实 Sidong Xiong, Ph.D. 0512-65113488 immfd@126.com
展开理想的翅膀 让梦想照进现实 Sidong Xiong, Ph.D. Oct 26, Suzhou, China

2 故 事 缘 起 1981~1984(卫生防疫站,CDC) ?? 乙型肝炎 ?? 子宫颈癌

3 故 事 展 开 1984年 师从著名的微生物学家 王言贵 教授 乙型肝炎发病机制的研究 乙型肝炎的动物模型
1984年 师从著名的微生物学家 王言贵 教授 乙型肝炎发病机制的研究 乙型肝炎的动物模型 土拨鼠(woodchuck、groundhog)模型

4 另 辟 蹊 径 子宫颈癌病毒病因学研究 1985年 中国医学科学院(协和医科大学)林玉纯 教授
1985年 中国医学科学院(协和医科大学)林玉纯 教授 德国癌症研究中心 Harald zur Hausen 子宫颈癌病毒病因学研究 Papilomavirus Multiple genotypes(warts, cervical cancer) Antibody-based genotyping

5 另 辟 蹊 径 子宫颈癌病毒病因学研究 Viral genome specific antibody genotyping
cancer high risk viral genotype DNA without immunnogenecity (Unable to induce antibody production)

6 另 辟 蹊 径 子宫颈癌病毒病因学研究 Molecular Epidemiology study
A new genotype of HPV was found in China

7 深 径 探 幽 Human Papilomavirus Warts ? Cervical cancer ? Mechanisms Virus
Host

8 深 径 探 幽 1989 师从 著名的免疫学家 林飞卿 教授 抗病毒免疫的细胞与分子机制

9 HBV: WORLDWIDE HEALTH PROBLEM
老 树 新 花 HBV: WORLDWIDE HEALTH PROBLEM WORLD 350 MILLION PEOPLE INFECTED 240 MILLION ETHNICALLY CHINESE 1 MILLION DEATHS ANNUALLY 400 MILLION BY THE YEAR 2000 CHINA 130 MILLION INFECTED POPULATION 10% CHRONIC CARRIERS

10 老 树 新 花 1990 师从著名的病毒学家 闻玉梅 院士 乙肝病毒感染慢性化机制及防治策略研究

11 ACUTE HEPATITIS B CHRONIC HEPATITIS B Anti-HBs Anti-HBc Anti-HBe ALT
CTL Anti-HBc HBV DNA HBsAg Anti-HBe HBeAg ALT (W) CHRONIC HEPATITIS B ALT HBV DNA HBsAg HBeAg Anti-HBc Anti-HBe (M) (Y)

12 Anti-HBs seroconversion after vaccination with conventional protein HBV vaccine

13 IMMUNE TOLERANCE HBV HBV PERSISTENT INFECTION
NO SPECIFIC IMMUNORESPONSE IMMUNE TOLERANCE

14 DHBV IMMUNITY TO DHBV VIRAL INFECTION

15 DHBV D1 DUCKLING NO IMMUNITY TO DHBV VIRAL PERSISTENCE DHBV ANTIGENS
DHBV DNA NO IMMUNITY TO DHBV VIRAL PERSISTENCE DHBV DHBSAG DHBCAG STAPHYL. AU E. COLI ANTIBODY RESPONSE

16 An immunotolerant duck model for DHBV
Viral persistence for lifetime Undetectable both humoral and cellular immune response against DHBV Active immunization with natural structure of viral protein failed to abrogate immune tolerance

17 Anti-HBs seroconversion after vaccination with conventional protein HBV vaccine

18 SOLID MATRIX ANTIBODY ANTIGEN COMPLEX
DHBsAg ANTI-DHBs SPA SOLID MATRIX ANTIBODY ANTIGEN COMPLEX (SMAA)

19

20

21 One molecule harboring both antigen and antibody
Ag: DHBsAg Ab: Anti-DHs

22 待续 转第二部分


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