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The Thaw (解冻)  1. Epidemic Status  2. Influence of Global Warming  3. Our Work.

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Presentation on theme: "The Thaw (解冻)  1. Epidemic Status  2. Influence of Global Warming  3. Our Work."— Presentation transcript:

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3 The Thaw (解冻)

4  1. Epidemic Status  2. Influence of Global Warming  3. Our Work

5  1. Epidemic Status

6 Neglected Tropical DiseaseNeglected Tropical Disease The PLoS Blog. 2015. Neglected Tropical Diseases: Challenges for the Post-2015 Development Era. Soil-Transmitted Helminth, STH Buruli Ulcer Chagas disease Dengue Dracunculiasis Echinococcosis, ECH Food-Borne Trematode Infections, FBT Human African Trypanosomiasis Leishmaniasis Leprosy Lymphatic Filariasis Rabies Schistosomiasis, SCH (血吸虫病) Cysticercosis Taeniasis, CT Trachoma Yaws

7 Schistosoma (血吸虫) Blood

8 Major Parasitic DiseasesMajor Parasitic Diseases WHO. 2010. First WHO report on neglected tropical diseases. 千村薜荔人遗矢, 万户萧疏鬼唱歌。 — 毛泽东《送瘟神》

9 Lancet. 2014. Human Schistosomiasis. (日本血吸虫) Schistosoma japonicum

10 Cercariae (尾蚴)  The child form of the parasite which looks like a tadpole.

11 <10 s Infested Water Nature Review. Definitive Host( 终宿主 )

12 Epidermis human skin Cercariae

13 Frequent Contact With Water

14 Swimmer’s Itch (游泳者痒疹) /Swimmer’s Itch (游泳者痒疹) / Cercarial Dermatitis (尾蚴性皮炎)  Dermatitis (皮炎).  Itching and breaking of skin.  Raised papules (丘疹).  Secondary infections.

15 Pathology ( 肝门静脉 ) 300-3000 eggs

16 Pathology  Granulomatous Responses (肉芽肿)

17  Portal hypertension  Collateral circulation( 侧支循环 )  Esophageal varices( 食管静脉曲张 )  Hepatosplenomegaly( 肝脾肿大 )  Cachexia( 恶病质 ) Results Markell and Voge's Medical Parasitology

18  2. Global Warming

19 Mean January Temperatures Across China Am. J. Trop. Med. Hyg. 2008. 78(2), pp. 188–194.

20 Snail  Temperatures have a significant effect on the survival of the interme- diate host: snail. Acta Tropica. 2005. Control of schistosomiasis in China.

21 The Risk & Predicted Risk MapThe Risk & Predicted Risk Map Am. J. Trop. Med. Hyg. 2008. 78(2), pp. 188–194. 20002030 2050

22  Highly epidemic and seriously neglected  Global warming opens Pandora’s box  Acute cases increased 22% than 2002 I’m BACK!I’m BACK! WHO. 2013. Schistosomiasis: Progress report 2001–2011.

23 Traditional Faecal Test ( 粪检 ) Reasons:  The intestinal wall fibrosis  Period of lower egg production  Low-intensity infections Traditional Faecal Test: Low efficiency Egg: very low or absent Egg: very low or absent

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25 ZHOU Xiao-Nong, Chairman of Chinese CDC

26 Coding 15,000 proteins 419 270 204 35 8 1 SjSP-13 Nature. 16 July 2009. Vol 460: 345–351. rSP13-ELISA Kit Like HBV Test( 乙肝检测 )

27 Clinical Test: a field studyClinical Test: a field study Lancet Infect Dis. 2014. 14: 489–97. Faecal Test (粪检) rSP-13 ELISA

28 Results of the field studyResults of the field study Lancet Infect Dis. 2014. 14: 489–97. Faecal Test SP13-ELISA Faecal Test SP13-ELISA * Faecal Test: Traditional Method † SP13-ELISA: Our Work

29 Laboratory validation: Specificity of SP13-ELISA  174 human serum samples from Schistosomiasis-free regions(Shanghai) Lancet Infect Dis. 2014. 14: 489–97. SEA-ELISA SP13-ELISA SEA-ELISA SP13-ELISA † SEA-ELISA: Traditional Rapid Diagnosis † SP13-ELISA: Our Work

30 WHO, Lancet. 2014, 2006.

31  When nature becomes a terrorist, human would have only a dead end.

32 Acknowledgements Pro. Yan Zhang Pro. Weiqing Pan

33 References:  1. The PLoS Blog. 2015.  2. Jared Diamond. 1997. Guns, Germs, and Steel.  3. Zhou XN, etc 2010. Adv Parasitol 72:145–178.  4. Seto EY, et al. 2011. PLoS Negl Trop Dis 5:e1372.  5. Colley DG, etc. 2014. Lancet 383(9936):2253-2264.  6. Xu X, et al. 2014. Lancet Infect Dis 14(6):489-497.  7. King, ect. 2005. Lancet 365(9470):1561–69.  8. Poulin, R. 2006. Parasitology 132, 143–151.  9. Mouritsen, etc. 2005. Oecologia 146, 476–483.  10. Fenwick, etc. 2007. Elsevier-Academic Press, London, pp. 567–622.  11. Zhou Xiao-Nong, et al. 2008. Am. J. Trop. Med. Hyg. 78(2), pp. 188–194.  12. Gryseels B, etc. Lancet 368, 1106–18.  13. Kenneth J. Ryan, et al. 2004. Textbook of Medical Microbiology and Parasitology.  14. Stothard JR, et al. 2011. Parasitology 138: 1593–606.  15. Bustinduy AL, et al. 2013. Am J Trop Med Hyg 88: 433–40.  16. Zhou Xiao-Nong. 2014. Sci China Life Sci 57: 647–648.  17. Wang LD, etc. 2009. N Engl J Med 360: 121–128.  18. Zhou XN, etc. 2011. PLoS Negl Trop Dis 5: e1408.


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