Dieudonne Njamen

Summary

Publications

  1. pmc Lupinalbin A as the most potent estrogen receptor α- and aryl hydrocarbon receptor agonist in Eriosema laurentii de Wild. (Leguminosae)
    Sylvin Benjamin Ateba
    Department of Pharmacognosy, University of Vienna, Althanstrasse 14, A 1090 Vienna, Austria
    BMC Complement Altern Med 14:294. 2014
  2. doi request reprint Phytotherapy and women's reproductive health: the Cameroonian perspective
    Dieudonne Njamen
    Department of Animal Biology and Physiology, Faculty of Science, University of Yaounde 1, Yaounde, Cameroon
    Planta Med 79:600-11. 2013
  3. ncbi request reprint Griffonianone D, an isoflavone with anti-inflammatory activity from the root bark of Millettia griffoniana
    Emmanuel Yankep
    Department of Organic Chemistry, Faculty of Science, University of Yaounde 1, P O Box 812 Yaounde, Cameroon
    J Nat Prod 66:1288-90. 2003
  4. ncbi request reprint Warangalone, the isoflavonoid anti-inflammatory principle of Erythrina addisoniae stem bark
    Emmanuel Talla
    Department of Organic Chemistry, Faculty of Science, University of Yaounde 1, P O Box 812, Yaounde, Cameroon
    J Nat Prod 66:891-3. 2003
  5. ncbi request reprint Anti-inflammatory activity of erycristagallin, a pterocarpene from Erythrina mildbraedii
    Dieudonne Njamen
    Laboratory of Animal Physiology, Department of Animal Biology and Physiology, Faculty of Science, University of Yaounde 1, P O Box 812, Yaounde, Cameroon
    Eur J Pharmacol 468:67-74. 2003
  6. ncbi request reprint Effects of Millettia macrophylla (Fabaceae) extracts on estrogen target organs of female wistar rat
    Stéphane Zingue
    Laboratory of Animal Physiology, Department of Animal Biology and Physiology, Faculty of Science, University of Yaounde I, Cameroon
    J Pharmacol Sci 123:120-31. 2013
  7. ncbi request reprint Anti-inflammatory activities of two flavanones, sigmoidin A and sigmoidin B, from Erythrina sigmoidea
    Dieudonne Njamen
    Laboratory of Animal Physiology, Department of Animal Biology and Physiology, Faculty of Science, University of Yaounde 1, Yaounde, Cameroon
    Planta Med 70:104-7. 2004
  8. doi request reprint Regulation of CD1, Ki-67, PCNA mRNA expression, and Akt activation in estrogen-responsive human breast adenocarcinoma cell line, MCF-7 cells, by griffonianone C, an isoflavone derived from Millettia griffoniana
    Germain Jean Magloire Ketcha Wanda
    Department of Psychology, University of Yaounde I, Yaounde, Cameroon
    Pharm Biol 49:341-7. 2011
  9. doi request reprint Safety profile and gender specific differences of a methanol extract of Eriosema laurentii (Leguminosae) in acute and subchronic (28 days) oral toxicity studies in Wistar rats
    Sylvin Benjamin Ateba
    Laboratory of Animal Physiology, Department of Animal Biology and Physiology, Faculty of Science, University of Yaounde I, P O Box 812 Yaounde, Cameroon Department of Pharmacognosy, University of Vienna, Althanstrasse 14, A 1090 Vienna, Austria
    Food Chem Toxicol 65:27-32. 2014
  10. doi request reprint Eriosema laurentii De Wild (Leguminosae) methanol extract has estrogenic properties and prevents menopausal symptoms in ovariectomized Wistar rats
    Sylvin Benjamin Ateba
    Laboratory of Animal Physiology, Department of Animal Biology and Physiology, Faculty of Science, University of Yaounde I, P O Box 812, Yaounde, Cameroon Department of Pharmacognosy, University of Vienna, Althanstrasse 14, A 1090 Vienna, Austria
    J Ethnopharmacol 150:298-307. 2013

Collaborators

  • Jose Luis Rios
  • Günter Vollmer
  • Georg Kretzschmar
  • Jean Wandji
  • Alois Jungbauer
  • Barthelemy Nyasse
  • Germain Jean Magloire Ketcha Wanda
  • Andre Pascal Kengne
  • Evan Simpson
  • Liselotte Krenn
  • B Bodo
  • Eugene Sobngwi
  • Sylvin Benjamin Ateba
  • Jean Claude Mbanya
  • Stéphane Zingue
  • Job Tchoumtchoua
  • Emmanuel Yankep
  • Marie A Mvondo
  • Maria Halabalaki
  • Colin Clyne
  • Svjetlana Medjakovic
  • Germain Jean Magloire Ketcha Wanda
  • M Carmen Recio
  • Rosa M Giner
  • Maurice Tagatsing Fotsing
  • Xavier Fernandez
  • Salvador Máñez
  • Alexios Leandros Skaltsounis
  • Tânia Beatriz Creczynski-Pasa
  • Emmanuel Mikros
  • Evelyn Winter
  • Sefirin Djiogue
  • Aggeliki K Meligova
  • Nde Chantal Beatrice Magne
  • André Monchot
  • Michael N Alexis
  • Emmanuel Talla
  • Zacharias Tanee Fomum
  • Charline Florence Awounfack
  • Jules Tchatchou
  • Sylvain Benjamin Ateba
  • Athina Boulaka
  • Maria Makropoulou
  • Dimitra J Mitsiou
  • George Lambrinidis
  • Thomas Michel
  • Manuela Imma Bader
  • Stephen Tanee Fomum
  • Rudy Valdès Simo
  • Martin Zehl
  • Hanspeter Kaehlig
  • Chantal Beatrice Magne Nde
  • Stefanie Hobiger
  • Fotsing Maurice Tagatsing
  • Albert Kamanyi
  • Joseph Tanyi Mbafor
  • Z Tanee Fomum

Detail Information

Publications15

  1. pmc Lupinalbin A as the most potent estrogen receptor α- and aryl hydrocarbon receptor agonist in Eriosema laurentii de Wild. (Leguminosae)
    Sylvin Benjamin Ateba
    Department of Pharmacognosy, University of Vienna, Althanstrasse 14, A 1090 Vienna, Austria
    BMC Complement Altern Med 14:294. 2014
    ..In our previous report, a methanol extract of its aerial parts was shown to exhibit estrogenic and aryl hydrocarbon receptor agonistic activities in vitro and to prevent menopausal symptoms in ovariectomized Wistar rats...
  2. doi request reprint Phytotherapy and women's reproductive health: the Cameroonian perspective
    Dieudonne Njamen
    Department of Animal Biology and Physiology, Faculty of Science, University of Yaounde 1, Yaounde, Cameroon
    Planta Med 79:600-11. 2013
    ....
  3. ncbi request reprint Griffonianone D, an isoflavone with anti-inflammatory activity from the root bark of Millettia griffoniana
    Emmanuel Yankep
    Department of Organic Chemistry, Faculty of Science, University of Yaounde 1, P O Box 812 Yaounde, Cameroon
    J Nat Prod 66:1288-90. 2003
    ..The chloroform extract of the root bark of M. griffoniana and compound 1 showed anti-inflammatory effects in different experimental models of inflammation...
  4. ncbi request reprint Warangalone, the isoflavonoid anti-inflammatory principle of Erythrina addisoniae stem bark
    Emmanuel Talla
    Department of Organic Chemistry, Faculty of Science, University of Yaounde 1, P O Box 812, Yaounde, Cameroon
    J Nat Prod 66:891-3. 2003
    ....
  5. ncbi request reprint Anti-inflammatory activity of erycristagallin, a pterocarpene from Erythrina mildbraedii
    Dieudonne Njamen
    Laboratory of Animal Physiology, Department of Animal Biology and Physiology, Faculty of Science, University of Yaounde 1, P O Box 812, Yaounde, Cameroon
    Eur J Pharmacol 468:67-74. 2003
    ..As with other phenolics, the anti-inflammatory activity of erycristagallin may be based on its capacity to inhibit the arachidonic acid metabolism via the 5-lipoxygenase pathway...
  6. ncbi request reprint Effects of Millettia macrophylla (Fabaceae) extracts on estrogen target organs of female wistar rat
    Stéphane Zingue
    Laboratory of Animal Physiology, Department of Animal Biology and Physiology, Faculty of Science, University of Yaounde I, Cameroon
    J Pharmacol Sci 123:120-31. 2013
    ..macrophylla extracts have estrogen-like effects supporting their traditional use in Cameroon to alleviate some menopausal problems (See graphical abstract in Supplementary Fig. 1, available in the online version only). ..
  7. ncbi request reprint Anti-inflammatory activities of two flavanones, sigmoidin A and sigmoidin B, from Erythrina sigmoidea
    Dieudonne Njamen
    Laboratory of Animal Physiology, Department of Animal Biology and Physiology, Faculty of Science, University of Yaounde 1, Yaounde, Cameroon
    Planta Med 70:104-7. 2004
    ..The results indicate that the compounds have different mechanisms of action depending on whether one or two prenyl groups are present in ring B...
  8. doi request reprint Regulation of CD1, Ki-67, PCNA mRNA expression, and Akt activation in estrogen-responsive human breast adenocarcinoma cell line, MCF-7 cells, by griffonianone C, an isoflavone derived from Millettia griffoniana
    Germain Jean Magloire Ketcha Wanda
    Department of Psychology, University of Yaounde I, Yaounde, Cameroon
    Pharm Biol 49:341-7. 2011
    ..Possible health benefits of Griff C which include alleviation of menopausal symptoms, limitation of bone resorption, and lowering of the risks of cancer and cardiovascular diseases attracted our interest...
  9. doi request reprint Safety profile and gender specific differences of a methanol extract of Eriosema laurentii (Leguminosae) in acute and subchronic (28 days) oral toxicity studies in Wistar rats
    Sylvin Benjamin Ateba
    Laboratory of Animal Physiology, Department of Animal Biology and Physiology, Faculty of Science, University of Yaounde I, P O Box 812 Yaounde, Cameroon Department of Pharmacognosy, University of Vienna, Althanstrasse 14, A 1090 Vienna, Austria
    Food Chem Toxicol 65:27-32. 2014
    ..Neither differences in bilirubin, creatinine and total protein levels were observed nor histological alterations in organs. The results indicate a broad safety margin for AEL. ..
  10. doi request reprint Eriosema laurentii De Wild (Leguminosae) methanol extract has estrogenic properties and prevents menopausal symptoms in ovariectomized Wistar rats
    Sylvin Benjamin Ateba
    Laboratory of Animal Physiology, Department of Animal Biology and Physiology, Faculty of Science, University of Yaounde I, P O Box 812, Yaounde, Cameroon Department of Pharmacognosy, University of Vienna, Althanstrasse 14, A 1090 Vienna, Austria
    J Ethnopharmacol 150:298-307. 2013
    ..However, despite this use as a natural remedy, the biological activity of Eriosema laurentii has not been studied until now...
  11. doi request reprint Estrogenic activity of isoflavonoids from the stem bark of the tropical tree Amphimas pterocarpoides, a source of traditional medicines
    Job Tchoumtchoua
    Institute of Biology, Medicinal Chemistry and Biotechnology, National Hellenic Research Foundation, Athens, Greece Division of Pharmacognosy and Natural Products Chemistry, Faculty of Pharmacy, University of Athens, Panepistimioupoli Zografou, 15771 Athens, Greece Laboratory of Animal Physiology, Department of Animal Biology and Physiology, Faculty of Science, University of Yaounde 1, P O Box 812, Yaounde, Cameroon
    J Steroid Biochem Mol Biol 158:138-48. 2016
    ....
  12. doi request reprint Estrogenic effects of Ficus umbellata Vahl. (Moraceae) extracts and their ability to alleviate some menopausal symptoms induced by ovariectomy in Wistar rats
    Stéphane Zingue
    Department of Life and Earth Sciences, Higher Teachers Training College, University of Maroua, P O Box 55, Maroua, Cameroon Department of Animal Biology and Physiology, Faculty of Science, University of Yaounde I, P O Box 812, Yaounde, Cameroon
    J Ethnopharmacol 179:332-44. 2016
    ..Ficus umbellata Vahl. (Moraceae) is a medicinal plant used in Cameroon to treat amenorrhea as well as other physiological disorders related to menopause...
  13. doi request reprint Alpinumisoflavone and abyssinone V 4'-methylether derived from Erythrina lysistemon (Fabaceae) promote HDL-cholesterol synthesis and prevent cholesterol gallstone formation in ovariectomized rats
    Marie A Mvondo
    Department of Animal Biology, Faculty of Science, University of Dschang, Dschang, Cameroon
    J Pharm Pharmacol 67:990-6. 2015
    ....
  14. ncbi request reprint Identification of an anti-inflammatory principle from the stem bark of Millettia versicolor
    Maurice Tagatsing Fotsing
    Department of Organic Chemistry, University of Yaounde 1, Yaounde, Cameroon
    Planta Med 69:767-70. 2003
    ..Pharmacological data demonstrate that compound 1 has relevant anti-inflammatory properties whereas the other two isolated compounds do not...
  15. doi request reprint Metabolic profile of sub-Saharan African patients presenting with first-ever-in-lifetime stroke: association with insulin resistance
    Eugene Sobngwi
    National Obesity Centre and Health of Population in Transition Research Group, FMBS, University of Yaounde 1, Yaounde, Cameroon
    J Stroke Cerebrovasc Dis 21:639-46. 2012
    ..To assess the pattern of metabolic profile associated with first stroke episode in a hospital setting in Cameroon...