B Nyasse

Summary

Affiliation: Faculty of Science
Country: Cameroon

Publications

  1. ncbi request reprint Modified berberine and protoberberines from Enantia chlorantha as potential inhibitors of Trypanosoma brucei
    B Nyasse
    Department of Organic Chemistry, Faculty of Science, University of Yaounde I, Cameroon
    Pharmazie 57:358-61. 2002
  2. ncbi request reprint Trypanocidal activity of bergenin, the major constituent of Flueggea virosa, on Trypanosoma brucei
    B Nyasse
    Department of Organic Chemistry, Faculty of Science, Higher Teachers Training College, University of Yaounde I, Cameroon
    Pharmazie 59:492-4. 2004
  3. ncbi request reprint Inhibition of both Trypanosoma brucei bloodstream form and related glycolytic enzymes by a new kolavic acid derivative isolated from Entada abyssinica
    B Nyasse
    Laboratory of Bio Organic and Medicinal Chemistry, Department of Organic Chemistry, Faculty of Science, University of Yaounde I, Cameroon
    Pharmazie 59:873-5. 2004
  4. ncbi request reprint Antifilarial activity in vitro of polycarpol and 3-O-acetyl aleuritolic acid from cameroonian medicinal plants against Onchocerca gutturosa
    B Nyasse
    Department of Organic Chemistry, Laboratory of Bio Organic and Medicinal Chemistry, Faculty of Sciences, University of Yaounde I, Box 812 Yaounde, Cameroon
    Nat Prod Res 20:391-7. 2006
  5. ncbi request reprint Anti-ulcer compound from Voacanga africana with possible histamine H2 receptor blocking activity
    P V Tan
    Department of Animal Biology and Physiology, Faculty of Science, University of Yaounde I, Cameroon
    Phytomedicine 7:509-15. 2000
  6. ncbi request reprint Further isoflavonoid metabolites from Millettia griffoniana (Bail)
    E Yankep
    Department of Organic Chemistry, Faculty of Science, University of Yaounde I, Cameroon
    Phytochemistry 56:363-8. 2001
  7. ncbi request reprint Synergistic and potentiating effects of ranitidine and two new anti-ulcer compounds from Enantia chlorantha and Voacanga africana in experimental animal models
    P V Tan
    Department of Animal Biology and Physiology, University of Yaounde I, Cameroon
    Pharmazie 57:409-12. 2002

Collaborators

Detail Information

Publications7

  1. ncbi request reprint Modified berberine and protoberberines from Enantia chlorantha as potential inhibitors of Trypanosoma brucei
    B Nyasse
    Department of Organic Chemistry, Faculty of Science, University of Yaounde I, Cameroon
    Pharmazie 57:358-61. 2002
    ..The inhibitory activities observed were in the range of 20 microM (ED50 values)...
  2. ncbi request reprint Trypanocidal activity of bergenin, the major constituent of Flueggea virosa, on Trypanosoma brucei
    B Nyasse
    Department of Organic Chemistry, Faculty of Science, Higher Teachers Training College, University of Yaounde I, Cameroon
    Pharmazie 59:492-4. 2004
    ..Bergenin showed an inhibitory effect on the growth of the bloodstream form of Trypanosoma brucei with an IC50 value of 1 microM...
  3. ncbi request reprint Inhibition of both Trypanosoma brucei bloodstream form and related glycolytic enzymes by a new kolavic acid derivative isolated from Entada abyssinica
    B Nyasse
    Laboratory of Bio Organic and Medicinal Chemistry, Department of Organic Chemistry, Faculty of Science, University of Yaounde I, Cameroon
    Pharmazie 59:873-5. 2004
    ..The new derivative showed a strong and selective inhibitory activity on the GAPDH enzyme of Trypanosoma brucei with an IC50 value of 0.012 mM...
  4. ncbi request reprint Antifilarial activity in vitro of polycarpol and 3-O-acetyl aleuritolic acid from cameroonian medicinal plants against Onchocerca gutturosa
    B Nyasse
    Department of Organic Chemistry, Laboratory of Bio Organic and Medicinal Chemistry, Faculty of Sciences, University of Yaounde I, Box 812 Yaounde, Cameroon
    Nat Prod Res 20:391-7. 2006
    ..gutturosa using Amocarzine as positive control compound. The motility reduction values were 28.6 and 57.1%, and the inhibition of MTT reduction values 80.0 and 64.8% respectively...
  5. ncbi request reprint Anti-ulcer compound from Voacanga africana with possible histamine H2 receptor blocking activity
    P V Tan
    Department of Animal Biology and Physiology, Faculty of Science, University of Yaounde I, Cameroon
    Phytomedicine 7:509-15. 2000
    ..TN has gastric anti-secretory effects similar to histamine receptor blockers. Its cytoprotective and ulcer healing properties are related to its ability to strengthen gastric mucosal defenses through enhanced gastric mucus production...
  6. ncbi request reprint Further isoflavonoid metabolites from Millettia griffoniana (Bail)
    E Yankep
    Department of Organic Chemistry, Faculty of Science, University of Yaounde I, Cameroon
    Phytochemistry 56:363-8. 2001
    ..Their structures were assigned on the basis of spectroscopic data and chemical transformations...
  7. ncbi request reprint Synergistic and potentiating effects of ranitidine and two new anti-ulcer compounds from Enantia chlorantha and Voacanga africana in experimental animal models
    P V Tan
    Department of Animal Biology and Physiology, University of Yaounde I, Cameroon
    Pharmazie 57:409-12. 2002
    ..A combination of TN and ranitidine led to synergistic antisecretory effects...