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  1. Ruppel A, Kennedy M, Kusel JR (2002) Schistosomiasis: immunology, epidemiology and diagnosis. Trends in Parasitology, 18, 50-52.
     
  2. Chlichlia K, Bahgat M, Ruppel,A, Schirrmacher V (2002) DNA vaccination with asparaginyl endopeptidase (Sm32) from the parasite Schistosoma mansoni: anti-fecundity effect induced in mice. Vaccine 20, 439-447 (2002).
     
  3. Chlichlia K, Bahgat M, Schirrmacher V, Ruppel A  (2002) Species-restricted antibody response against a DNA-construct coding for aspartic proteinase from Schistosoma japonicum. Parasitology Research  88, 368-375.
     
  4. Bahgat M, Chlichlia K, Schirrmacher V, Ruppel A (2002) Antibodies induced in mice by a DNA-construct coding for the elastase of Schistosoma mansoni recognize the enzyme in secretions and preacetabular glands of cercariae. Parasitology 124, 301-306.
     
  5. Caffrey CR, Saltzer JP, Lucas KD, Khiem D, Hsieh I, Lim KC, Ruppel A, McKerrow JH, Sajid M (2002) SmCB2, a novel tegumental cathepsin B from adult Schistosoma mansoni. Molecular and Biochemical Parasitology 121, 49-61.
     
  6. Bahgat M., Doenhoff M, Kirschfink M, Ruppel A (2002) Serine protease and phenoloxidase activities in hemocytes of Biomphalaria glabrata snails with varying susceptibility to infection with the parasite Schistosoma mansoni. Parasitology Research  88, 489-494.
     
  7. Bahgat M, Ruppel A (2002) Biochemical comparison of the serine protease (elastase) activities in cercarial secretions from Trichobilharzia ocellata and Schistosoma mansoni. Parasitology Research  88, 495-500
     
  8. Lingelbach K, Frank B, Romig T, Ruppel A (2002) Faszination Lebenswissenschaften. Beck,E. (ed.), pp. 185-208 (Wiley-VCH, Freiburg,2002).
     
  9. Ruppel A, Storch V (2002) Weit verbreitet: Eine fast unsichtbare Bedrohung. Biologie in unserer Zeit 32, 68. 
     
  10. Schmitt J., Wuhrer M., Geyer R., Hamburger J., Jourdane J., Ramzy R.M.R., Ruppel A (2002) Schistosoma mansoni and S. haematobium: Identification and characterization of glycoconjugate antigen in the haemolymph of infected vector snails. Journal of Parasitology 88, 505-513.
     
  11. Li YL, Liu WQ, Ruppel A (2003) Hybridoma cell agglutination as a novel test to detect circulating antigen of Schistosoma japonicum. Tropical Medicine and International Health 8 73-77.
     
  12. Moné H, Mouahid G, Shaban MA, Al Jabri A, Boissier J, Ruppel A, Idris MA (2003) Ecological studies on emerging schistosomiasis mansoni in Dhofar, Sultanate of Oman. Tropical Medicine and International Health 8, 269-276.
     
  13. Ahmed, AH, Ruppel A, Ramzy RMR. (2003) A longitudinal study of schistosome intermediate host snail populations and their trematode infection in certain areas of Egypt. Journal of the Egyptian Society of Parasitology 33 201-217.
     
  14. Idris MA, Shaban M, Richter J, Moné H, Mouahid G, Ruppel A (2003) Emergence of infections with Schistosoma mansoni in the Dhofar Governorate, Oman. Acta Tropica 88, 137-144.
     
  15. Boissier J, Chlichlia K, Digon Y, Ruppel A, Moné H (2003) Preliminary study on sex-related inflammatory reaction in mice infected with Schistosoma mansoni. Parasitology Research 91, 144-150.
     
  16. Liu WQ, Li YL, Ruppel A (2003) Experimental study on hybridoma cell agglutination test for diagnosis of schistosomiasis japonica in mice (in Chinese language). Zhongguo Ji Sheng Chong Xue Yu Ji Sheng Chong Bing Za Zhi (Chin J Parasitol Parasit Dis) 21, 167-169.
     
  17. Li YL, Herter U, Ruppel A (2004) Acute, chronic and late stage infections with Schistosoma japonicum: reactivity of patient sera in indirect immunofluorescent tests. Annals of Tropical Medicine and Parasitology, 98, 49-57.
     
  18. Long XC, Bahgat M, Chlichlia K, Ruppel A, Li YL (2004) Detection of inducible nitric oxide synthase in Schistosoma japonicum and S. mansoni.  Journal of Helminthology, 78, 47-50.
     
  19. Ruppel A, Chlichlia K, Bahgat M (2004) Invasion by schistosome cercariae: neglected aspects in Schistosoma japonicum. Trends in Parasitology 20, 397-400.
     
  20. Long XC, Li YL, Ruppel A (2004) Expression of inducible nitric oxide synthase in the livers of mice infected with Schistosoma japonicum. Zhongguo Ji Sheng Chong Xue Yu Ji Sheng Chong Bing Za Zhi (Chin J Parasitol Parasit Dis) 22,157-159.
     
  21. Sorgho H, Bahgat M, Poda JN, Song WJ, Kirsten C, Doenhoff MJ, Zongo I,  Ouédraogo JB, Ruppel A 2005 Serodiagnosis of Schistosoma mansoni infections in an endemic area in Burkina Faso: performance of ELISA, IHA and IFAT with different parasite antigens. Acta Tropica, 93, 169-80.
     
  22. Wang L,  Li YL, Fishelson Z, Kusel JR, Ruppel A (2005) Schistosoma japonicum migration through mouse skin compared histologically and immunologically with S. mansoni. Parasitology Research 95, 218-223.
     
  23. Chlichlia K, Schauwienold B, Kirsten C, Doenhoff MJ, Fishelson Z, Ruppel A (2005) Schistosoma japonicum reveals distinct reactivity with antisera directed to proteases mediating host infection and invasion by cercariae of S. mansoni or S. haematobium. Parasite Immunology 27, 97-102.
     
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