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Curriculum vitae
Immuno-parasitolgist, PhD
  • Family name   : LEHMAN
  • First name       : Léopold Gustave
  • Date of birth   :  October 17th, 1964
  • Specialization : Immuno-parasitology
  • Nationality      : Cameroonian        
  • Married, 3 children

ADDRESSES
Professional:
  • University of Douala, Faculty of Sciences
  • Department of Animal Biology
  • P.O. box 24157 Douala
  • Fax + (237) 233 42 76 12 
  • E-mail: lblehman@yahoo.fr / leopold.lehman@univ-douala.com
Private:
  • P.O. box 2326 Douala-Cameroon
  • Tel: + (237) 699 71 16 91 / 677 65 41 89/ 242 09 29 29
  • E-mail: leopoldlehman@gmail.com/lblehman@yahoo.fr

STUDIES
  • 1970-1976 : Ecole de l´Eglise Présbytérienne Camerounaie EPC PENIEL Douala
  • 1976-1984 : Lycée Polyvalent de Bonaberi, Douala
  • 1984-1992 : University of Yaoundé (Cameroon)
  • 1992-1997 :  University of Berlin (Freie Universität, Berlin)
  • 1997    Scholarship of the Deutscher Akademischer Austauschdienst Dr rer  nat (DAAD)
(Ph.D) Thesis subject: Immunoregulatory effects of cytokines and reactive radicals in murine and human malaria.
Current Activities
RESPONSABILITIES AT THE UNIVERSITY OF DOUALA
  • President of the Ethical Committee of the University of Douala for Research on Human Subject 
  • Deputy Coordinator of the Research Program "HEALTH"
  • Member of the HIV/AIDS observatory of the University
  • Member of the counseling service for the university community

LECTURES

Faculty of Science
  • Cell Biology
  • Ecology
  • Zoology
  • Parasitology
Faculty of Medicine and Pharmaceutical Science (since 2007)
  • Zoology

Center of Advanced Health Science (Catholic University of Central Africa)

  • Immunophenotyping and Cytometry

Institute of Fishering Science of Yabassi

  • Embryology/Histology

University Institute of Technology

  • Cytometry
  • Microscopy
Ongoing scientific and research program

     Parasitology, Immunology and Environmental Microbiology

     Study of new parasitologidiagnostic tools for malaria elimination, Tuberculosis control and HIV/AIDS biological follow-up with the use of  flow cytometry

Scientific Societies

  1. President of Institutional Ethics Committee of the University of Douala
  2. Member of Scientific Committee of the Centre for Germano-African Scientific Cooperation
  3. Member of Panafrican Bioethics Initiative (PABIN)
  4. Member of Cameroon Biosciences Society (CBS)
  5. Founder of the research team URED-Douala (University-Research-Environment-Development) since 2001
  6. Former member of the Scientific Review Committee of the European & Developing Countries Clinical Trial Partnership (EDCTP)
  7. Representative of the Cameroon Bioethics Initiative (CAMBIN) in the Littoral Region.
  8. Member of Cameroonian Society of Parasitology (CSP)
  9. Member of Cameroonian Society of Biochemistry and Molecular Biology (SOCAB)


SOCIAL

Civil social Organisation (CSO)
  1. Chairman of the coordinating board of the KBK Koordinationsbüro Kamerun (Association of Alumni from German universities in Cameroon).
  2. Chairman of  "Amicale Germano-Camerounaise" (AGC).
  3. Vice-president of scientific association International Society for Health Research and Training «ISRT-Health».
  4. General Secretary of the Nature & Life Club coordinating the field work of Jane Goodall Institute - Germany on environmental issues in Cameroon.
  5. Chairman of Wouri Olympic Club (WOC).
  6. Chairman of Common Initiative Group (CIG SAGRIC) affiliated to the Improvement Project of Agricultural Competitiveness (PACA program).
  7. Chairman of "RECUP Jeunesse" Association Project of monitoring socially affected children in Douala.

MANAGEMENT             
PREVIOUS ACTIVITIES

  • 1990-1992: Research fellow in the Tropical Medicine Research Centre of Kumba, Cameroon
  • 1992-1995: Research fellow in the Malaria research group of the ´Landesinstitut für Tropenmedizin Berlin´, Germany.
  • 1995-1996: Chief of the Research Laboratory in Albert Schweitzer Hospital, Lambarene, Gabon.
  • Responsibilities: Field studies, Patients´ follow-up and laboratory analysis in immunological, chemotherapy and parasitilogical studies
  • 1996- March 1998: Human parasitology research section, Institute of Tropical Medicine, University of Tübingen, Germany
  • Responsibilities:  Field study design, laboratory analysis, reports translation and documentation.
University of Ouagadougou, Burkina Faso

    Novel laboratory techniques in the Master´s Programme in Human Development and Food Security, AGRINOVIA 2011-2012

SPOKEN AND WRITTEN LANGUAGES
  • French, English and German.

PUBLICATIONS
1. Patrick Ntonga Akono, Calvin Tonga, Pierre Michel Jazet Dongmo, Sevilor Kekeunou, Nadine Lopedji Tedongmo and Leopold Gustave Lehman.
Influence of urbanization on the sensitivity of female adults of the Anopheles gambiae complex to essential oils of some plants from the Littoral region of Cameroon
International Journal of Mosquito Research, 2016, 3(6): 45-53

2. Akono Ntonga P, Tonga C, Kekeunou S, Jazet Dongmo P M, Magne Tamdem G, Kou-Otou S, Lopedji Tedongmo N, Lehman L G.  Activités larvicide et nymphocide des huiles essentielles des péricarpes des fruits mûrs de quelques espèces de Citrus sur Culex pipiens Linnaeus 1758, vecteur de la fi-lariose de Bancroft au Cameroun. Cameroon Journal of Biological and Biochemical Sciences 2016, 24, 18-25

3. Ntonga Akono P, Tonga C, Mbida Mbida J.A, Ngo Hondt O.E, Awono Ambene P, Ndo C, Tamdem Magne G, Peka M.F, Ngaha R, Lehman L.G. Anopheles gambiae, vecteur majeur du paludisme à Logbessou, zone péri-urbaine de Douala (Cameroun). Bulletin de la Société de pathologie exotique. pp 1-9.

4. Ntonga Akono P, Jazer Dongmo PM, Tonga C, Kouotou S, kekeunou S, Tamdem Magne G, Lehman LG, Menut C. Larvicidal activity of essentiel oils from pericarps of ripe Citrus fruits cultivated in Cameroon on pyrethroids sensitive and resistant strains of Anopheles gambiae Giles, 1902. Journal of Entomology and Zoology Studies. 2015. 3(4): 334-339.

5. Essomba NE, Ngaba GP, Kedy Loum DC, Momo L, Lehman L, Coppieters Y.  Séroprévalence de l´infection au cytomégalovirus chez les donneurs de sang à l´Hôpital de District de Bonassama, Douala-Cameroun. Médécine d´Afrique Noire. 2015. 62 (7) : 1,7.

6. Kuokuo Kimbi H, Wepnje GB, Anchang-Kimbi J, Tonga C, Ayukenchengamba B, Njabi C, Kouodjip Nono L, Nyabeyeu Nyabeyeu H, Lehman LG. Active Case Detection and Prevalence of Urinary Schistosomiasis and Malaria in Pupils of Kotto Barombi, Southwest Cameroon Using the CyScope® Fluorescence Microscope. International Journal of Tropical Disease & Health. 2015; 8(1): 1-12.

7. Lum Ndamukong-Nyanga J, Kuokuo Kimbi H, Ule Ngole Sumbele I, Sunjo BerteK C, Kangam L, Kouodjip Nono L, Mbiakop Kemajou G, Ngapmen Yamadji AL, Nyabeyeu Nyabeyeu H, Assomo Ndemba PB, Mbang SM, Tonga C, Kenneth J. N. Ndamukong, Lehman LG. Comparison of the Partec CyScope® Rapid Diagnostic Test with Light Microscopy for Malaria Diagnosis in Rural Tole, Southwest Cameroon. British Journal of Medicine & Medical Research. 2015; 8(7): 623-633.

8. Ule Ngole Sumbele I, Kuokuo Kimbi H, Lum Ndamukong-Nyanga J, Malaika Nweboh, Kuoh Anchang-Kimbi J, Emmaculate Lum, Nana Y, Kenneth K. J. Ndamukong, Lehman LG. Malarial Anaemia and Anaemia Severity in Apparently Healthy Primary School Children in Urban and Rural Settings in the Mount Cameroon Area: Cross Sectional Survey. Plos One. 2015; 1-17.

9. Ntonga Akono P, Mbida Mbida JA,Tonga C, Belong P, Ngo Hondt OE,Tamdem Magne G, Peka MF, Lehman LG. Impact of vegetable crop agriculture on anopheline agressivity and malaria transmission in urban and less urbanized settings of the South region of Cameroon. Parasites & Vectors. 2015; 8:293.  
 
10. Akono PN, Tonga C, Kekeunou S et Lehman LG. Mosquito species diversity and malaria transmission in Ayos, an area of degraded forest targeted for universal long-lasting insecticidal net distribution in southern Cameroon. African Entomology. 2014; 22(3): 602-610.

11. Eboumbou Moukoko CE, Ngo Sack F, Essangui Same EG, Mbangue M, Lehman LG. HIV, HBV, HCV and T. pallidum infections among blood donors and Transfusion-related complications among recipients at the Laquintinie hospital in Douala, Cameroon. BMC Hematology. 2014; 14 (1):5. doi: 10.1186/2052-1839-14-5.

12. Essomba EN, Kollo B, Ngambi MK, Assomba L, Etang A,  Mapoure Y et Lehman LG. Stigma and discrimination associated with HIV/AIDS in health care settings: a comparative study in two hospitals of different categories in Douala-Cameroon. Journal of Medical and Biomedical Sciences. 2014; doi: http://dx.doi.org/10.4314/jmbs.v3i1.3

13. Kimbi KH, Nana Y, Sumbele NI, Anchang-Kimbi JK, Lum E, Tonga C, Nweboh M et Lehman LG. Environmental Factors and Preventive Methods against Malaria Parasite Prevalence in Rural Bomaka and Urban Molyko, Southwest Cameroon.  Bacteriology & Parasitology. 2013; 4 (1). http://dx.doi.org/10.4172/2155-9597.1000162.

14. Kimbi KH, Njoh TD, Ndamukong KJN et Lehman LG. Malaria in HIV/AIDS Patients at Different CD4+ T Cell Levels in Limbe, Cameroon. Bacteriology & Parasitology. 2013; 4 (1). http://dx.doi.org/10.4172/2155-9597.1000164

15. Essomba EN, Tsagadigui JG,  Fouda BA, Abessougoue IJ, Mikendeffo D, Etang A  et Lehman LG. Point sur la situation des antirétroviraux au Cameroun en 2013. Revue de Médecine et de Pharmacie. 2013; 3 (1) : 300-307.

16. Essomba EN, Kollo B, Ngambi MK, Owona Manga LJ, Mbunya S, Fouda BA, Dissongo J, Mikendeffo D, Lehman LG. Comportements sexuels à risque et séroprévalence du VIH chez des travailleuses de sexe de  Douala en 2011. Mali Médical. 2013; Tome XXVIII, N°2.

17.  Essomba EN, Fouda BA et Lehman LG. Comportements à risque de transmission du VIH des élèves de  Douala-Cameroun. Mali Médical. 2013; Tome XXVIII, N°4.

18. Kimbi HK, Sumbele IU, Nweboh M, Anchang-Kimbi JK, Lum E, Nana Y, Ndip LM, Njom H, Lehman LG.  Malaria and haematologic parameters of pupils at different altitudes along the slope of Mount Cameroon: a cross-sectional study. Malaria Journal. 2013;12:193. doi: 10.1186/1475-2875-12-193.

19. Essomba EN,  Bita Fouda A,  Ngaba GP, Tsakam S,  Etang K, Assomba L,  Lehman LG. Efficacité de l´Antibiothérapie en Post Amygdalectomie en Afrique Subsaharienne : Cas de l´Hôpital Laquintinie de Douala. Health Sci. Dis. 2013; 14(4).  Disponible sur www.hsd-fmsb.org.

20.  Tonga C, Kimbi KH, Anchang-Kimbi KJ, Nyabeyeu NH, Bissemou BZ, Lehman LG.
Malaria Risk Factors in Women on Intermittent Preventive Treatment at Delivery and Their Effects on Pregnancy Outcome in Sanaga-Maritime, Cameroon. PLoS ONE 8(6): e65876. doi:10.1371/journal.pone.0065876.

21. Lehman LG, Kangam L, Mbenoun M-L, Zemo Nguepi E, Essomba N, Tonga C, Bilong Bilong CF. Intestinal parasitic and candida infection associated with HIV infection in Cameroon.
Journal of Infection in Developing Countries. 2013; 7(2): 137-143.

22.  Kimbi KH, Keka CF, Nyabeyeu NH, Ajeagah UH, Tonga C, Lum E, Asaah GH, Lehman LG. Asymptomatic Malaria in School Children and Evaluation of the Performance Characteristics of the Partec Cyscope® in the Mount Cameroon Region. J Bacteriol Parasitol. 2012,  3:7.

23. Kimbi KH, Keka CF, Nyabeyeu, Ajeagah UH, Tonga C, Lum E, Asaah GH, Lehman LG. An Update of Asymptomatic Falciparum Malaria in School Children in Muea, Southwest Cameroon. J Bacteriol Parasitol. 2012, 3:8.

24.  Essomba EN, Kollo B, Ngambi MK, Owona Manga LJ, Mbunya S, Fouda BA, Dissongo J, Mikendeffo D et Lehman LG. Habitudes comportementales des personnes rencontrées pendant la campagne vacances sans SIDA 2011 à Douala-Cameroun. Revue de Médecine et de Pharmacie. 2012; 2 (2): 197-204.

25. Nkondjio CA, Talom DB, Fotso Tagne R, Fossog TB, Ndo C, Lehman LG, Tchuinkam T, Kengne P, Ambene AP. High mosquito burden and malaria transmission in a district of the city of Douala, Cameroon. BMC Infectious Diseases. 2012, 12: 275.

26. Lehman L.G, Kouodjip Nono L, Bilong Bilong C.F. Diagnostic des parasitoses intestinales à l´aide de la microscopie à fluorescence. Médecine d´Afrique Noire. 2012, 59(7): 377-385.

27. Agbor GA, Taga I, Nguindex DR, Zaidi MA, Lehman LG, Altosaar I, Ngogang JY. Effect of iodine supplementation on antioxidant status of normal and alloxan monohydrate in toxicated rats. International journal of pharmacology. 2011, 7(6): 726-731.

28.  Lehman LG, Ngapmen Yamadji L A, Ngo Sack F, Bilong Bilong C. F. The CyScope® fluorescence microscope, a reliable tool for tuberculosis diagnosis in resource-limited settings. Am. J. Trop. Med. Hyg., 83(4), 2010, pp. 906-908 doi:10.4269:ajtmh.2010.10-0153.

29. Gouado I, Lehman LG, Somme Issa T, Mbouyap Y, Pankoui Mfonkeu JB, Ejoh Aba R, Tchouanguep Mbiapo F. Influence of malaria on serum levels of vitamin A, zinc and calcium in children in Douala. African Journal of Biotechnology. 2007, 6(7): 871-876.

30.  Lehman LG, Mandengue SH, Tonga C. Étude préliminaire sur la problématique de la prise en charge des salmonelloses à Douala. Influence des  méthodes diagnostiques. Médecine d´Afrique Noire. 2007, 54(6): 323-28.  

31. Mandengue S H, Lehman LG, Assomo Ndemba PB, Etoundi-Ngoa S L. Variation des paramètres immunologiques, hématologiques et métaboliques après cinq jours consécutifs d´épreuve de Cooper.  Syllabus, Série Sciences. 2006 (Hors série): 17-26.

32. Cassens U, Goehde W, Kuling G, Groening A, Schlenke P, Lehman LG, Traore Y, Servais J, Henin Y, Reichelt D, Greve B. Simplified volumetric flow cytometry allows feasible and accurate determination of CD4 T lymphocytes in immunodeficient patients worldwide. Antiviral Therapy. 2004, 9:395-405.

33. Göhde W, Cassens U, Lehman LG, Traoré Y, Göhde jun W, Berkes P, Westerberg C, Greve B. Individual patient-dependent influence of erythrocyte lysing procedures on flow-cytometric analysis of leukocyte subpopulation. Transfus Med Hemother. 2003; 30, 165-170.

34. Mandengue SH, Lehman LG, Assomo-Ndemba  PB, Mbangue M. Distribution des antigènes des systèmes ABO, Rhésus, Kell, MNSs et Duffy chez les drépanocytaires et donneurs de sang bénévoles à Douala (Cameroun) : risques de réactions transfusionnelles. Médecine d´Afrique Noire. 2003 50(1): 22-24.

35. Mandengue SH, Etoundi-Ngoa SL, Lehman LG. Physical fitness of some Cameroon division one soccer players: a comparative study. J Cam Acad Sc. 2002 Dec; 2(3): 153-7.

36.  Luty AJ, Perkins DJ, Lell B, Schmidt-Ott R, Lehman LG, Luckner D, Greve B, Matousek P, Herbich K, Schmid D, Weinberg JB, Kremsner PG. Low interleukin-12 activity in severe Plasmodium falciparum malaria. Infect Immun. 2000 Jul; 68(7):3909-15.

37. Lell B, May J, Schmidt-Ott RJ, Lehman LG, Luckner D, Greve B, Matousek P, Schmid D, Herbich K, Mockenhaupt FP, Meyer CG, Bienzle U, Kremsner PG. The role of red blood cell polymorphisms in resistance and susceptibility to malaria. Clin Infect Dis. 1999 Apr; 28(4):794-9.

38. Kun JF, Lehman LG, Lell B, Schmidt-Ott R, Kremsner PG. Low-dose treatment with sulfadoxine-pyrimethamine combinations selects for drug-resistant Plasmodium falciparum strains. Antimicrob Agents Chemother. 1999 Sep; 43(9):2205-8.

39. Greve B, Lehman LG, Lell B, Luckner D, Schmidt-Ott R, Kremsner PG. High oxygen radical production is associated with fast parasite clearance in children with Plasmodium falciparum malaria. J Infect Dis. 1999 Jun; 179(6):1584-6.

40. Luty AJ, Lell B, Schmidt-Ott R, Lehman LG, Luckner D, Greve B, Matousek P, Herbich K, Schmid D, Migot-Nabias F, Deloron P, Nussenzweig RS, Kremsner PG. Interferon-gamma responses are associated with resistance to reinfection with Plasmodium falciparum in young African children. J Infect Dis. 1999 Apr; 179(4):980-8.

41.  Luty AJ, Lell B, Schmidt-Ott R, Lehman LG, Luckner D, Greve B, Matousek P, Herbich K, Schmid D, Ulbert S, Migot-Nabias F, Dubois B, Deloron P, Kremsner PG. Parasite antigen-specific interleukin-10 and antibody reponses predict accelerated parasite clearance in Plasmodium falciparum malaria. Eur Cytokine Netw. 1998 Dec;9(4): 639-46.

42. Luckner D, Lell B, Greve B, Lehman LG, Schmidt-Ott RJ, Matousek P, Herbich K, Schmid D, Mba R, Kremsner PG. No influence of socioeconomic factors on severe malarial anaemia, hyperparasitaemia or reinfection. Trans R Soc Trop Med Hyg. 1998 Sep-Oct;92(5):478-81.

43. Kun JF, Schmidt-Ott RJ, Lehman LG, Lell B, Luckner D, Greve B, Matousek P, Kremsner PG. Merozoite surface antigen 1 and 2 genotypes and rosetting of Plasmodium falciparum in severe and mild malaria in Lambarene, Gabon. Trans R Soc Trop Med Hyg. 1998 Jan-Feb;92(1):110-4.

44. Lell B, Lehman L.G, Schmidt-Ott J.R, Sturchler D, Handschin J, Kremsner P.G. Malaria chemotherapy trial at a minimal effective dose of mefloquine/sulfadoxine/pyrimethamine compared with equivalent doses of sulfadoxine/pyrimethamine or mefloquine alone. Am J Trop Med Hyg. 1998 May;58(5):619-24.

45. Lehman LG, Prada J, Kremsner PG. Protection of mice previously infected with Plasmodium vinckei against subsequent Salmonella enteritidis infection is associated with nitric oxide production capacity. Parasitol Res. 1998;84(1):63-8. 41.Ranford-Cartwright LC, Taylor J, Umasunthar T, Taylor LH, Babiker HA, Lell B, Schmidt-Ott JR,

46.  Lehman LG, Walliker D, Kremsner PG. Molecular analysis of recrudescent parasites in a Plasmodium falciparum drug efficacy trial in Gabon. Trans R Soc Trop Med Hyg. 1997 Nov-Dec; 91(6): 719-24.

47.  Schmidt-Ott R, Luckner D, Lehman LG, Lell B, Matousek P, Greve B, Kremsner PG. Pyrimethamine/sulfadoxine for treating uncomplicated Plasmodium falciparum malaria in young children in Gabon. Trans R Soc Trop Med Hyg. 1997 Sep-Oct; 91(5): 578-9.

48.  Kun JF, Mordmuller B, Lell B, Lehman LG, Luckner D, Kremsner PG. Polymorphism in promoter region of inducible nitric oxide synthase gene and protection against malaria. Lancet. 1998 Jan 24; 351 (9098): 265-6.

49. Brandts CH, Mordmuller BG, Lehman LG, Kremsner PG.  [The dual role of tumor necrosis factor (TNF) during a malarial attack]. Cahiers Santé. 1997 Jul-Aug; 7(4):271-4.

50. Lehman LG, Vu-Quoc B, Carlson J, Kremsner PG. Plasmodium falciparum: inhibition of erythrocyte rosette formation and detachment of rosettes by pentoxifylline. Trans R Soc Trop Med Hyg. 1997 Jan-Feb; 91(1):74-5.

51. Philipps J, Radloff PD, Lehman LG, Baksai L, Milovanovic D, Nkeyi M, Wernsdorfer WH, Kremsner PG. Clinical diagnosis of malaria: can the patients help us improve? Trans R Soc Trop Med Hyg. 1996 Jan-Feb; 90(1): 42.

52. Prada J, Graninger W, Lehman LG, Metzger W, Neifer S, Zotter GM, Thalhammer F, Bienzle U, Kremsner PG. Upregulation of ICAM-1, IL-1 and reactive oxygen intermediates (ROI) by exogenous antigens from Plasmodium falciparum parasites in vitro, and of sICAM-1 in the acute phase of malaria. J Chemother. 1995 Oct;7(5):424-6.

53. Moyou-Somo R, Lehman LG, Awahmukalah S, Ayuk Enyong P. Deltamethrin impregnated bednets for the control of urban malaria in Kumba Town, South-West Province of Cameroon. J Trop Med Hyg. 1995 Oct; 98(5): 319-24.

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