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Asian Pacific Journal of Tropical Biomedicine 2016年第11期6卷 945-949页

作者： Mohamed Bonewendé Belemlilga Aristide Traoré sylvin ouédraogo Adama Kaboré Hamidou Hamadou Tamboura Innocent Pierre Guissou Laboratoire de Développement du Médicament Centre de recherche sur le médicament Ecole Doctorale de la SantéUniversité de Ouagadougou Ecole Doctorale de Santé Département Médecine Pharmacopée Traditionnelles–Pharmacie (MEPHATRA-Ph) Institut de Recherche en Sciences de la Santé (IRSS/CNRST) Département Productions Animales Institut de l’Environnement et de Recherches Agricoles(INERA/CNRST)

Objective: To evaluate the anthelmintic property of Saba senegalensis(***) Pichon(Apocynaceae)(S. senegalensis) on Haemonchus contortus that is traditionally used in Burkina Faso for its gastrointestinal parasites ***: The lyophilized aqueous decoction of leaves of S. senegalensis at concentrations of 0.10, 1.00, 3.00, 10.00 and 15.00 mg/m L was used on eggs and adult worms of Haemonchus contortus collected from gastrointestinal tract of small ***: The LC_(50) on adult worms was 6.79 mg/m L and 3.25 mg/m L for the leaves of S. senegalensis and the levamisole(reference drug), respectively. Inhibition of hatching assay showed a concentration-dependent manner with an inhibition of 93.63% at the concentration of 15.00 mg/m L of S. ***: These results indicate that the aqueous extract of S. senegalensis possesses an anthelmintic property and may justify its use in traditional medicine for the treatment of gastrointestinal parasites.

关键词： Saba senegalensis Anthelmintic properties Haemonchus contortus In vitro Burkina Faso

Clinical Evaluation of the Safety and Efficacy of the Phytomedicine APIVIRINE Based on Aqueous Extracts of Dichrostachys glomerata (Forssk.). Chiov. (D. cinerea) in COVID-19 Patients without Signs of Severity

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International Journal of Clinical Medicine 2023年第6期14卷 302-318页

作者： Daouda ouédraogo Grissoum Tarnagda Jean Claude Romaric Pingdwindé ouédraogo Amed Héma Simon Tiendrebéogo Salfo ouédraogo Geoffroy Gueswindé ouédraogo Lazare Belemnaba Noufou ouédraogo Félix Dit Bondo Kini Zékiba Tarnagda Martial ouédraogo sylvin ouédraogo Service de Pneumologie/Centre Hospitalier Universitaire Yalgado ouédraogo (CHU-YO) Ouagadougou Burkina Faso Institut de Recherche en Sciences de la Santé/Centre National de la Recherche Scientifique et Technologique (IRSS/CNRST) Ouaga-dougou Burkina Faso

Background: Since the appearance of the COVID-19 pandemic, several drugs have also been proposed for the treatment of the COVID-19, but the therapeutic effectiveness of those drugs is not satisfactory. This situation has led to the search for therapeutic solutions based on recipes from traditional medicine. Aims: This study aimed to evaluate the clinical safety, efficacy and tolerability of the phytomedicine APIVIRINE in patients with non-severe COVID-19. Methods: Patients were included following defined criteria and followed on an outpatient basis until recovery in accordance with national guidelines for the management of single cases of COVID-19 in Burkina Faso. Vital signs, anthropometric parameters as well as electrocardiographic, hematological and biochemical examinations were measured on D4, D7, D14 and D21. Adverse events were recorded during maintenance. Results: The present study included 45 patients. The clinical signs present at inclusion were mostly cough (44.44%), asthenia (42.22%), headache (40%), and anosmia (35.55%). Dyspnoea and chest pain were less represented in 05 (11.11%) and 06 (13.33%) patients. Cough, dyspnoea, chest pain, fever, sore throat, headache, and nasal obstruction present at inclusion disappeared before Day 4 of treatment. Anosmia and asthenia disappeared before Day 7. At the inclusion visit (Day 1), CRP, WBC, and blood glucose were abnormal in 15 (33.33%), 13 (28.89%), and 11 (24.44%) patients respectively. In addition, 3 (6.66%) patients had elevated creatinine levels. Transaminases Alanine aminotransferase (ALAT) were elevated in 05 (11.11%) patients while Aspartate aminotransferase (ASAT) was elevated in 04 (8.89%) patients. After 4 days of treatment, the cure rate was 33.33% of patients and 48.89% after 7 days. The cumulative cure rate was 86.67% after 14 days of treatment. Conclusion: No serious side effects or allergic reactions were observed during treatment. No clinical complications were observed and all symptoms present r

关键词： APIVIRINE COVID-19 Clinical Study Safety

Acute Oral Toxicity and Vasorelaxant Effects of Hydroethanolic Extract from Lannea microcarpa Engl. & K. Krause (Anacardiaceae) Trunk Barks in Mice Aortas: Possible Involvement of Intracellular Ca²⁺ Mobilization

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Pharmacology & Pharmacy 2023年第12期14卷 530-549页

作者： Mathieu Nitiéma Bertrand Kafando Windingoudi Rimwagna Christian ouédraogo Bibata Sawadogo Boukaré Kaboré Wendkouni Leila Marie Esther Bélem-Kabré Tata Kadiatou Traoré Jean Claude Romaric Pingdwindé ouédraogo Salfo ouédraogo Lazare Belemnaba Aristide Traoré Moussa ouédraogo Noufou ouédraogo Bondo Félix Kini sylvin ouédraogo Laboratoirede Recherche-Développement de Phytomédicaments et Médicaments Institut de Recherche en Sciences de la Santé/Centre National de la Recherche Scientifique et Technologique Ouagadougou Burkina Faso Laboratoirede Développement du Médicament (LADME)/CEA-CFOREM Université Joseph KI-ZERBO Ouagadougou Burkina Faso

Lannea microcrapa Engl. & K. Krause (Anacardiaceae) is a fruit and medicinal plant widely used in Burkina Faso. This plant is traditionally used in the treatment of hypertension. The aim of the present study was to evaluate the vasorelaxant effects of the hydroethanolic extract from Lannea microcarpa trunk barks (HE_ELM) on the aorta isolated from NMRI mice. Phytochemical screening by HPTLC, assay of phenolic and flavonoid compounds, assessment of antioxidant activity (DPPH, ABTS, FRAP, and LPO), and myography of HE_ELM (1 - 2000 μg/mL) on mice thoracic aortas in the presence and absence of endothelium were carried out. Endothelium-dependent and endothelium-independant vasodilation were assessed by cumulative addition of Ach (1 nM - 10 μM) on aortic rings precontracted with the thromboxane analogue A2 agonist, 9,11-dideoxy9α,11α-methanoepoxy PGF2α (U46619). L-NAME was used to verify the involvement of NO production in the relaxation mechanism of the extract. Acute oral toxicity of HE_ELM was also evaluated. A phytochemical study revealed the presence of tannins, flavonoids, sterols and triterpenes, saponosides, and high levels of total phenolics and flavonoids. These compounds are thought to be responsible for the extract’s antioxidant and vasorelaxant properties. HE_ELM demonstrated significant antioxidant potential and induced aortic relaxation. Indeed, pharmacological parameters gave EC50 values ranging from 596.45 ± 95.82 μg/mL to 749.48 ± 133.40 μg/mL and Emax values from 85.51% ± 9.59% to 96.81% ± 8.60% for the three conditions of vasodilation of the extract (p > 0.05). A complete antagonism of the contractile effect of U46619 was noted with 1 mg/mL HE_ELM. These results suggest that HE_ELM induces aortic relaxation through a concentration-dependent, endothelium-independent mechanism, possibly involving intracellular calcium mobilization of vascular cells. Acute oral toxicity tests of HE_ELM (2000 mg/kg) showed no mortality or adverse effects, sugge

关键词： Lannea macrocarpa Hydroethanolic Extract Phytoconstituents Antioxidant Vasorelaxant Effects Safety

Phytochemical Profile, Antioxidant, and Anti-Inflammatory Activities, Safety of Use and Spasmolytic Effects of Aqueous Decoction Extract of Diospyros mespiliformis Leaves Hochst. ex A. DC. (Ebenaceae) on the Isolated Duodenum of Rat

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Pharmacology & Pharmacy 2023年第12期14卷 513-529页

作者： Mathieu Nitiéma Pegdwendé Esther ouédraogo Tata Kadiatou Traoré oumarou Maman Noura Boukaré Kaboré Wendkouni Leila Marie Esther Bélem-Kabré Windingoudi Rimwagna Christian ouédraogo Moumouni Koala Bruno Nébié Abdel Magid Arsène ouoba Makumbu Joseph Makaya Sylvain Ilboudo Lazare Belemnaba Noufou ouédraogo sylvin ouédraogo Laboratoire de Recherche-Développement des Phytomédicaments et Médicaments (LR-D/PM) Institut de Recherche en Sciences de la Santé/Centre National de la Recherche Scientifique et Technologique (IRSS/CNRST) Ouagadougou Burkina Faso Initiative Pour la Résilience et la Gouvernance (IRG) Ouagadougou Burkina Faso International Research Laboratory 3189 Environnement Santé Sociétés (IRL 3189 ESS) Centre National de la Recherche Scientifique et Technologique (CNRST) Ouagadougou Burkina Faso UFR/Science et Technologie Université Aube Nouvelle Ouagadougou Burkina Faso Laboratoire du Développement du Médicament (LADME) école Doctorale Sciences et Santé Université Joseph KI-ZERBO Ouagadougou Burkina Faso Ecole Doctorale Sciences et Techniques Laboratoire de Biochimie et Chimie Appliquées (LABIOCA) Université Joseph KI-ZERBO Ouagadougou Burkina Faso

Diospyros mespiliformis Hochst. ex A. DC. (Ebenaceae) is a multi-use plant, including for therapeutic purposes. It is used in alternative medicine in Burkina Faso to treat conjunctivitis, menorrhagia, dysentery, and diarrhea. The aim of our study was to evaluate the chemical profile, antioxidant and anti-inflammatory activities, safety of use and spasmolytic effects of the aqueous decoction of Diospyros mespiliformis leaves. Phytochemical screening by HPTLC and assay of compounds of interest were carried out. Four methods were used to assess antioxidant activity. Inhibitory activity against 15-lipoxygenase and phospholipase A2 was assessed. Acute oral toxicity of the extract was tested on female mice (NMRI). Following these tests, the extract contained bioactive compounds of interest such as flavonoids, tannins, sterols, triterpenes, and saponosides. The total phenolic and flavonoid contents of the aqueous decoctate were 70.59 ± 3.20 mg EAT/g and 31.57 ± 0.78 mg EQ/g respectively. The extract was less active than Trolox with inhibitory concentrations of 50% (IC50) for the ABTS, DPPH, FRAP, and LPO tests of 7.53 ± 0.08 μg/mL, 29.47 ± 0.06 μg/mL, 1128.83 ± 4.82 mol EAA/g, and 32.30 ± 1.60 μg/mL respectively. The extract has an anti-inflammatory effect with inhibition of phospholipase A2 compared to betamethasone. In addition, the aqueous extract produced an antispasmodic effect with Emax of 70% and 80% respectively during contractions induced by BaCl2 and ACh. Finally, this study provided basic scientific data and could justify the use of D. mespiliformis leaves in the treatment of diarrhea.

关键词： Diospyros mespiliformis Phytoconstituents Antioxidants Acute Oral Toxicity Spasmolytic Leaves

Antibacterial, Anti-Inflammatory and Antioxidant Activities of an ACAZY Herbal Formula Used in Traditional Medicine to Treat Respiratory Infections

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Natural Science 2024年第9期16卷 131-145页

作者： Mohamed Bonewendé Belemlilga Bagora Bayala Abdoul Gilchrist Laurent Boly Madinatou Annick ouédraogo Alida Raissa Boina Boubacar Yaro Florentina Badea Camélia Diguti Moumouni Koala Denise P. Ilboudo Charles Bavouma Sombié Pascal Nadembega Jean-Marie Compaoré Paul Darga Mahoukèdè Théodora Zohoncon Moussa ouédraogo Aristide Traore Noufou ouédraogo Florentina Matei Rasmane Semdé sylvin ouédraogo Jacques Simporé Innocent Pierre Guissou Laboratoire de Recherche-Dveloppement de Phytomdicaments et Mdicaments (LR-D/PM) Institut de Recherche en Sciences de la Sant (IRSS) Centre National de la Recherche Scientifique et Technologique (CNRST) Ouagadougou Burkina Faso Centre de Recherche Biomolculaire Pietro Annigoni (CERBA) Ouagadougou Burkina Faso Laboratoire de Biologie Molculaire et de Gntique (LABIOGENE) Universit Joseph KI-ZERBO Ouagadougou Burkina Faso Ecole Normale Suprieure Koudougou Burkina Faso Laboratoire de Dveloppement du Mdicament (LADME) Centre de Formation de Recherche et dExpertises en Sciences du Mdicament (CEA-CFOREM) cole Doctorale Sciences de la Sant (ED2S) Universit Joseph KI-ZERBO Burkina Faso Laboratoire de Microbiologie Applique Universit des Sciences Agronomiques et de Mdecine Vtrinaire (UASMV) de Bucarest en Roumanie Bucharest Romania Dpartement de la mdecine traditionnelle Ministre de la Sant et de lHygine Publique Ouagadougou Burkina Faso Universit Saint Thomas dAquin (USTA) Ouagadougou Burkina Faso

ACAZY is a plant formula used in traditional medicine in Burkina Faso to treat respiratory infections. After phytochemical analysis, this study evaluated extracts’ anti-inflammatory, antioxidant and antibacterial properties from the ACAZY recipe. Three extractions, an aqueous macerate (AM), an aqueous decoction (AD) and an hydroethanolic macerate (HEM) of the ACAZY recipe powder were carried out. Phytochemical screening of the extracts was carried out using high-performance thin-layer chromatography (HPTLC) and the determination of phenolic compounds. The anti-inflammatory potential was assessed in vitro using pro-inflammatory enzyme inhibition tests. 2,2-Diphenyl-1-picrylhydrazyl (DPPH) and Ferric-reducing antioxidant power (FRAP) antioxidant properties were also determined. The antibacterial activity was evaluated on Staphylococcus aureus and Streptococcus pneumoniae strains. Phytochemical analysis revealed the presence of flavonoids, saponins, tannins, anthracenosids, sterols and triterpenes in the extracts. The extracts inhibited pro-inflammatory enzymes by more than 40% at only 100 µg/mL. The extracts also showed potent antibacterial activity with a minimum inhibitory concentration 1 mg/mL on Staphylococcus aureus and 2 mg/mL on Streptococcus pneumoniae. The extracts in the ACAZY formula have shown anti-inflammatory and antioxidant properties in vitro. The AD also showed an antibacterial activity. This justifies its use in traditional medicine to treat acute respiratory infections.

关键词： ACAZY Anti-Inflammatory Antioxidant Antibacterial In Vitro

Clinical Evaluation of the Safety and Efficacy of the Phytomedicine APIVIRINE Based on Aqueous Extracts of Dichrostachys glomerata(Forssk.).Chiov.(***) in COVID-19 Patients without Signs of Severity

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Acute Oral Toxicity and Vasorelaxant Effects of Hydroethanolic Extract from Lannea microcarpa Engl. & K. Krause (Anacardiaceae) Trunk Barks in Mice Aortas:Possible Involvement of Intracellular Ca2+ Mobilization

International Journal of Clinical Medicine 2023年第6期

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Pharmacology & Pharmacy（药理与制药） 2023年第12期

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