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Cardiac Tolerance of Hydroalcoholic Extract of Bark of Terminalia mantaly H. Perrier (HAEBTM) in Wistar Rats

American Journal of Molecular Biology 2024年第3期14卷 126-137页

作者： Irié Lou Bohila Emilie Kamo Kouakou Serge Kouassi virginie atto.allico.joseph djaman Jean David N’guessan Mireille Dosso Department of Microbiology Institut Pasteur of Cte dIvoire Abidjan Cte dIvoire Biology and Health Laboratory Flix Houphout-Boigny University Abidjan Cte dIvoire Department of Medical and Fundamental Biochemistry Institut Pasteur of Cte dIvoire Abidjan Cte dIvoire

Terminalia mantaly H. Perrier is a plant used in traditional medicine for the treatment of various pathologies. However, Terminalia mantaly H. Perrier could present potential health effects on patients. In order to determine the possible cardiotoxic effects of the hydro-alcoholic extract of the bark of Terminalia mantaly H. Perrier, (HAEBTM) forty (40) rats distributed randomly into 4 groups, including 10 animals per group (5 males and 5 females) were used. Animals in group 1 received distilled water and were used as a control group. On the other hand, groups 2, 3, 4 received oral administration a volume of the hydroalcoholic extract of Terminalia mantaly H. Perrier corresponding to 1 mL/100g of body weight at 150 mg/kg, 300 mg/kg, 600 mg/kg, respectively. The extract was administered daily at the same time for 28 days and serum was collected once a week to evaluate cardiac biochemical markers using spectrophotometric methods using a Cobas C311 HITACHI biochemistry system. After one month of study, all rats were euthanized by overdose of ether, and the hearts of the rats were removed for gross morphological and histopathological analysis. Results were analysed using variance analysis (ANOVA) to compare outcomes as a function of doses administered and treatment times. The biochemical parameters ALT, LDH, CPK, CPKMB showed no significant change (p Terminalia mantaly showed no lesions, edema and necrosis. These results suggest that the hydroalcoholic extract of Terminalia mantaly did not interfere with the functioning or alter the integrity of the heart.

关键词： Terminalia mantaly Bio Cardiac Tolerance Biochemical Markers Histopathology

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Distribution and Contamination of Arsenic in Fish, Gastropods and Bivalves in the Aby and Tendo Lagoons in East of Ivory Coast

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Journal of Environmental Protection 2024年第3期15卷 246-264页

作者： Kouakou Serge Kouassi Stéphane Jean Claon Kossonou Roland N’Guettia Séri Kipré Laurent Dakouo Guei Jokebed djaman allico joseph Laboratory of Biology and Health University of F&eacutelix Houphou&eumlt-Boigny Abidjan C&ocircte d’Ivoire Department of Analytical Sciences and Public Health Faculty of Pharmaceutical and Biological Sciences University of F&eacutelix Houphou&eumlt-Boigny Abidjan C&ocircte d’Ivoire Laboratory of Environmental Sciences (LSE) University of Nangui Abrogoua Abidjan C&ocircte d’Ivoire Department of Medical and Fundamental Biochemistry Institut Pasteur of C&ocircte d’Ivoire Abidjan C&ocircte d’Ivoire

Lagoons are ecosystems for biodiversity and the livelihoods of coastal communities. The main objective of the study was to analyze the variability of arsenic concentrations in gastropods and bivalves in the Aby and Tendo lagoons, taking into account spatial, seasonal and hydrological variations. The study was carried out in four stages spread over two successive hydroclimatic cycles, including two seasons during the rainy season and two more during the dry season. The samples were taken in two areas of the Aby and Tendo lagoons. Arsenic levels were measured by ICP-MS. The results showed that mean arsenic concentrations in the muscles of organisms in Aby Lagoon ranged from 0.01 to 1.26 μg As/g, with a mean and median of 0.17 and 0.06 μg As/g, respectively. Fish had the highest levels of arsenic, followed by crustaceans, while molluscs and plants had lower and comparable concentrations of As. Arsenic concentrations in tilapia and jawbones varied significantly between sites and seasons, with higher concentrations at Tendo and during the rainy season. Arsenic concentrations in gastropods and bivalves were significantly higher than those of other species, with averages of 0.74 and 1.03 mg As/kg, respectively.

关键词： Arsenic Pollution Fish Gastropods Lagoons Health Effect

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Mercury Levels Assessment in the Population of Aby and Frambo Villages in the Vinicity of Aby Lagoon in Côte d’Ivoire (West Africa)

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Journal of Water Resource and Protection 2024年第3期16卷 219-232页

作者： Stéphane Jean Claon Serge Kouakou Kouassi Nina Laurette Ahouéfa Laurent Kipré Seri Arsène M’bassidjé Seka joseph allico djaman Luc Kouakou Kouadio Analytical Sciences and Public Health Department University of Félix Houphou&eumlt-Boigny Abidjan C&ocircte d'Ivoire Water Quality Control and Analysis Laboratory (LACQUE) Office National de l’Eau Potable (ONEP) Abidjan C&ocircte d’Ivoire Biology and Health Laboratory University of Félix Houphou&eumlt-Boigny Abidjan C&ocircte d’Ivoire Laboratory of Nutrition and Food Safety Department of Science and Food Technology Nangui Abrogoua University Abidjan C&ocircte d'Ivoire Department of Medical and Fundamental Biochemistry Institut Pasteur of C&ocircte d'Ivoire Abidjan C&ocircte d’Ivoire Laboratory of Environmental Sciences (LSE) University of Nangui Abrogoua Abidjan C&ocircte d’Ivoire

The Minamata Convention in the aim to protect human life and the environment, seeks to reduce mercury (Hg) by monitoring it concentrations in the environment. Artisanal and Small-scale Gold Mining (ASGM) has been identified as the most important anthropogenic source of human exposure to Hg. In this context, the main goal of this study was to assess the level of mercury in hair of two (2) populations living along two lagoons respectively Aby and Tendo, in Ivory Coast. To reach this goal, hair samples of 138 residents were collected and analyzed by using Cold Vapor Atomic Fluorescence Spectrophotometry (CV-AFS) technique for mercury concentration. Results showed that for the entire population the Hg mean was 2.34 μg/g. Also, they were ranged between 0.15 to 8.53 μg/g and presented substantial differences amongst the villages. In Aby village, we observed the highest Hg concentrations (Mean = 2.62 μg/g). Our findings showed that almost the entire sample group (82%) exceed the USEPA recommended limit, furthermore 56% of them exceed the normal level of WHO and 2% of the respondent has the unhealthy levels of mercury (≥6 μg Hg/g) of hair by WHO standards. Gender differences in hair mercury varies greatly among reports. Lower levels in women’s hair compared to men were reported in the both village. Considering age, the lowest concentrations were observed with children. However, when we take in account the age groups, data suggested that the most exposed sub-population of [18-29] years old is from Aby village in opposite at Frambo village, the same case those who were ≥ 40 years old. It’s convenient to note that, the proportion of Mercury levels would not to be neglected among studied population especially with the resident from Aby village. So, some measures need to be taken at the political level to control mercury contamination.

关键词： Mercury Hair ASGM Population Exposure Côte d’Ivoire

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Assessment of Selenium Contamination in Sediments of the Aby and Tendo Lagoons in Côte d’Ivoire

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International Journal of Geosciences 2024年第4期15卷 334-349页

作者： Stéphane Jean Claon Kouakou Serge Kouassi Kossonou Roland N’Guettia M’bassidjé Arsène Seka Guei Jokebed Dakouo allico joseph djaman Kouakou Luc Kouadio Analytical Sciences and Public Health Department University of F&#233lix Houphou&#235t-Boigny Abidjan C&#244te d&#8217Ivoire Water Quality Control and Analysis Laboratory (LACQUE) Office National de l&#8217Eau Potable (ONEP) Abidjan C&#244te d&#8217Ivoire Biology and Health Laboratory University of F&#233lix Houphou&#235t-Boigny Abidjan C&#244te d&#8217Ivoire Laboratory of Environmental Sciences (LSE) University of Nangui Abrogoua Abidjan C&#244te d&#8217Ivoire Department of Medical and Fundamental Biochemistry Institut Pasteur of C&#244te d&#8217Ivoire Abidjan C&#244te d&#8217Ivoire

Selenium is a trace element that can have both beneficial and harmful effects on aquatic life. The Aby Lagoon is a coastal environment in Côte d’Ivoire that receives selenium inputs from various natural and anthropogenic sources. The aim of this study was to assess the levels of selenium in the sediments of the Aby Lagoon and its tributaries, the Tanoe River and the Tendo Lagoon, and to examine the spatial and seasonal variations of selenium concentrations. Sediment samples were collected from different sites and seasons, and selenium concentrations were measured by atomic fluorescence spectrometry. The results showed that the average concentration of selenium in the sediments of the Aby Lagoon was 0.82 mg/kg, indicating moderate contamination. The concentration of selenium varied between sites and seasons, with higher values in the channel of the Tendo Lagoon and during the dry season. The study highlighted the complexity of selenium dynamics in aquatic ecosystems, and the need to take into account seasonal and spatial variability as well as interactions between environmental factors. The study also suggested potential ecotoxicological risks for some sensitive organisms in certain areas of the lagoon. This study contributes to the knowledge of the dynamics of selenium in lagoon ecosystems and to the assessment of the environmental risks associated with its presence.

关键词： Tropical Estuarine Selenium Sediments Aby Lagoon Seasonal Distribution

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Physico-Chemical and Nutritional Properties of a Food Broth Based on Nere (Parkia biglobosa)

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Food and Nutrition Sciences 2024年第5期15卷 377-389页

作者： Lassana Bamba Gervais Melaine M’Boh N’Gbésso Amos Ekissi Kipré Laurent Séri Gnogbo Alexis Bahi Koffi Pierre Valery Niaba allico joseph djaman Grah Avit Maxwell Beugre Laboratory of Agro-Valorization Department of Agroforesterie Jean Lorougnon Gu&#233d&#233 University Daloa C&#244te d&#8217Ivoire Medical and Fundamental Biochemistry Department Institut Pasteur of C&#244te d&#8217Ivoire Abidjan C&#244te d&#8217Ivoire Laboratory of Biotechnology Agriculture and Valorization of Biological Resources Department of Biosciences Felix Houphouet-Boigny University Abidjan Cote d&#8217Ivoire Biology and Health Laboratory Department of Biosciences Felix Houphouet-Boigny University Abidjan C&#244te d&#8217Ivoire

Purpose: Diet and eating habits are major risk factors for the health and the development of disease, such as, for example, metabolic disorder leading to cardiovascular pathology and cancer, decreased immunity exposing to infections. This study of the physico-chemical and nutritional properties of a soumara-based food broth was carried out with the aim of promoting the consumption of organic broth made from nere seeds (soumara). That is to alleviate certain metabolic diseases, which is a matter of food safety, and also to limit the risk for the health about the consumption of some cooking stocks on the market. Methods: Several natural ingredients such as nere seeds (soumara), ginger, black pepper, parsley and garlic were used to create a nere-based stock. All these ingredients were freeze-dried and the powder obtained was used to make the broth, regarding their physical and chemical properties. Results: The broth had a good protein content of 17.41 ± 0.367 g/100g, a lipid content of 16.80 ± 0.08 g/100g and a fiber content of 8.66 ± 0.04 g/100g. In terms of nutritional values, the broth showed good levels of calcium 184.21 ± 0.09 mg/100g, potassium 50.04 ± 1.45 mg/100g and iron and zinc. In terms of antioxidant activity, the broth also showed good antioxidant activity. Conclusion: Regarding the properties of our food broth, whose composition is based on natural ingredients, could be recommended for consumption and, its properties, could play an important role in preventing and combating certain metabolic diseases.

关键词： Food Broth Nere Physico-Chemical Properties Nutrition Food Safety

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Dissemination of Resistance Integrons and Genes Coding for Blse and Cabapenemases in the Urban Drainage Network in Cote d’Ivoire

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Advances in Microbiology 2024年第5期14卷 268-286页

作者： Coulibaly Kalpy Julien Diaby Aboubakar Sidik Vakou N’dri Sabine M’bengue Gbonon Valérie Carole Claon Jean Stephane Yao Kouamé Eric Gnali Gbohounou Fabrice Yéo Yéfougnini Bagré Issa djaman allico joseph Dosso Mireille Pasteur Institute of Ivory Coast Abidjan C&#244te d&#8217Ivoire Fé lix Houphou&#235t-Boigny University Abidjan C&#244te d&#8217Ivoire

Antibiotic resistance has become a major threat to human health worldwide. Environment, particularly the water environment, has long been overlooked as a player in the antibiotic resistance cycle, although its role remains unclear. These can provide an ideal setting for the acquisition and dissemination of antibiotic resistance, as they are frequently affected by anthropogenic activities. The objective of this study was to establish a diffusion map of resistance integrons used as genetic markers of resistance associated with antibiotic resistance conferring genes (ARGs). Total DNA extracts from non-cultivable bacterial communities were used for the analyses. These communities were obtained from wastewater samples from 14 sites upstream and downstream of drainage channels or effluents in the cities of Abidjan, Bouaké, and Yamoussoukro. The results obtained correspond to the number of positives among the treated samples (n = 39). Among the genetic markers of dissemination, class 1 integrons were the most evident in 94.8% of samples in Abidjan (93.3%), Bouaké (100%) and Yamoussoukro (91.6%). Class 2 integrons and class 3 integrons were found respectively in 41% and 51% of all samples. Genes coding for β-lactamases and blaTEM was identified in almost all samples at a rate of 97.4%. A co-presence of the three genes blaTEM, blaSHV and blaCTX-M is also remarkable in the sites of the city of Yamoussoukro. Among the genes coding for carbapenemases, only blaKPC 17.94%, blaNDM 30.76% and blaOXA48 38.46% were detected in the samples.

关键词： Antibiotic Resistance Wastewater Resistance Integrons (RIs) Resistance Genes

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Stratification of the Degree of Hepatic Involvement in HIV-HCV Coinfection Using Two Biomarkers: APRI and FIB-4

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Journal of Biosciences and Medicines 2023年第8期11卷 60-70页

作者： Serge Kouakou Kouassi Doumbia Moussa Alexis Bahi Carole N’Guessan djaman Obouayeba Françis Adou Yapo joseph allico djaman Biology and Health Laboratory Félix Houphou&eumlt-Boigny University Abidjan C&ocircte d’Ivoire Department of Bacteriology-Virology Bacterial and Viral Serology Unit Institut Pasteur of C&ocircte d’Ivoire Abidjan C&ocircte d’Ivoire Department of Medical and Fundamental Biochemistry Institut Pasteur of C&ocircte d’Ivoire Abidjan C&ocircte d’Ivoire

Hepatitis C infection in people living with Human Immunodeficiency Virus (HIV) poses management challenges. Of the world’s population, 3% are estimated to have chronic Hepatitis C Virus (HCV) infection, which is responsible for about 70% of cases of chronic hepatitis (accelerated chronicity in the presence of HIV and for such major complications as cirrhosis and hepatocellular carcinoma. The fibrosis 4 (FIB-4) and Aspartate aminotransferase/platelet ratio index (APRI) scores are simple, inexpensive tests accessible to most people, and their performance has not yet been studied in C?te d’Ivoire. Objective: To prospectively evaluate the diagnostic performance of APRI and FIB-4 scores in liver damage in those co-infected with HIV/HCV in C?te d’Ivoire. Methods: This study was conducted over three months. The patients came from national blood transfusion center of the cities of Man and Daloa. The criteria for selecting respondents were at least 18 years of age and a positive test for HIV and HCV. APRI and FIB-4 scores were calculated for each patient from biological data obtained by COBAS C311 (Roche Hitachi, Japan). Statistical analyses were performed using GraphPad and MED-CALC software. Results: Our study involved 30 patients (men) of middle age (25 - 52 years), with extremes ranging from 0.67 to 8 for APRI and 0.201 to 22 for FIB-4. A predictive APRI and FIB4 score of significant hepatic fibrosis was observed in 23% of patients;however, 46% and 54% of patients for the APRI and FIB-4 score, respectively, would not have significant fibrosis. An APRI and FIB4 score not included in the classification limits of the type of fibrosis hepatitis was observed in 31% and 23% of patients, respectively. Conclusion: The performance of the APRI and FIB-4 biological scores analyzed according to the interpretation of their cut-off values would enable classifying about 70% and 77%, respectively, of the patient population in the stages of hepatitis C fibrosis.

关键词： Co-Infected Patients HIV HCV APRI and FIB-4

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Biotolerance Study of the Hydroalcoholic Extract of Terminalia mantaly H. Perrier on Rat Renal Activity

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Journal of Biosciences and Medicines 2022年第12期10卷 167-179页

作者： Kamo Irié Lou Bohila Emilie Tra Bi Irie Otis Kouassi Kouakou Serge djaman allico joseph N’guessan Jean David Department of Microbiology Institut Pasteur of C&ocirc te d’Ivoire Abidjan C&ocirc te d’Ivoire Department of Medical and Fundamental Biochemistry Institut Pasteur of C&ocirc te d’Ivoire Abidjan C&ocirc te d’Ivoire Superior Normal School Abidjan C&ocirc te d’Ivoire Biology and Health Laboratory Félix Houphou&euml t-Boigny University Abidjan C&ocirc te d’Ivoire Biology and Health Laboratory Félix Houphou?t-Boigny University Abidjan C&ocirc te d’Ivoire

Terminalia mantaly H. Perrier is one of the plants of the Combretaceae family that is widely used in traditional African medicine for its antibacterial, antifungal, and especially in the treatment of malaria. In this study, we evaluated the effect of the hydroalcoholic extract of Terminalia mantaly (HAETM) on the tissue and kidney biochemical markers of rats. Forty (40) rats were randomly divided into 4 groups, assigning 10 animals within each group (5 males and 5 females per group). Animals in group 1 received distilled water and were used as the control group;on the other hand, groups 2, 3, 4 received by gavage a volume of the extract corresponding to 1 ml/100g body weight at 150 mg/kg, 300 mg/kg, 600 mg/kg, respectively. The hydroalcoholic extract was administered at the same time daily for 28 days, and blood was collected once a week to evaluate renal biochemical parameters;the kidney tissues were used to perform the histopathological study. The creatinine rate increased significantly (p Terminalia mantaly should be globally well tolerated by the body when used in doses ranging from 150 to 600 mg/kg of the body weight in animals (for this study, rats). However, further in-depth studies would be needed to get a more thorough and complete picture of the safety profile of the extract.

关键词： Terminalia mantaly Biotolerance Biochemical Markers

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Persistently High Glycated Hemoglobin in a Subgroup of Type 2 Diabetic Patients Who Failed Usual Oral Antihyperglycemics and Insulin in Côte d’Ivoire

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Advances in Biological Chemistry 2023年第3期13卷 100-109页

作者： Louise Odile Moke-Bedji Assieoussou Jean-Luc N’Guessan Lydie Boyvin Colombe Lohore Gnogbo Alexis Bahi allico joseph djaman Amos Ankotche Diabetes and Hypertension Clinic Treichville University Hospital Abidjan C&#244te d’Ivoire Faculty of Biosciences Felix Houphou&#235t-Boigny University (UFHB) Abidjan C&#244te d’Ivoire Department of Fundamental and Medical Biochemistry Institute Pasteur of C&#244te d’Ivoire (IPCI) Abidjan C&#244te d’Ivoire

Background: Type II diabetes mellitus is associated with multiple metabolic derangements which can cause secondary pathophysiological changes in multiple organ systems. This in turn can impose a heavy burden of morbidity and mortality from micro‑ and macro‑vascular complications. This study aimed to describe the metabolic and therapeutic profile of a subgroup of type 2 diabetic patients who have treatment failure with oral anti-hyperglycemic agents with persistent hyperglycemia despite insulin treatment. Methods: 60 type 2 diabetic patients in treatment failure with oral antidiabetics and under insulin treatment, aged 35 to 70 years, were recruited at the Diabetes Clinic of the University Teaching Hospital of Treichville in Abidjan, Côte d’Ivoire. Blood samples were collected in tubes containing Ethylenediaminetetraacetic Acid (EDTA) to determine glycated hemoglobin (HbA1c). Results: The average age of the population was 54 ± 9.38 years with a sex ratio (M/F) of 0.3, an average BMI of 30.25 ± 5 kg/m2, and an average HbA1c of 10.1% ± 1.6% for an average diabetes duration of 11.8 ± 5.8 years. The average insulin dose was 74.556 ± 16.21 UI/day, and the average duration of insulin treatment was 5.4 ± 3.1 years. The average HbA1c value was 10.1% ± 1.87% in men against 10.03% ± 1.53% in women with no significant difference (p = 0.1). The mean HbA1c values according to patient weight were 10.08% ± 2.05% for normal weight, 9.55% ± 2.26% for overweight, and 10.57% for obese, with no significant difference between the three groups of patients (p = 0.1). Conclusion: This study showed a persistence increase in glycated hemoglobin regardless of the treatment regimen, duration, and dose of insulin treatment in the subpopulation of type 2 diabetic patients.

关键词： High Glycated Hemoglobin Type 2 Diabetic Insulin Côte d’Ivoire

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Effects of Methanolic and Aqueous Extracts of Griffonia simplicifolia (Fabaceae) on the Inhibition of Falciformation of Human Hb SS Erythrocytes

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Open Journal of Applied Sciences 2023年第1期13卷 24-35页

作者： Joel Akakpo-Akue Gnamien Marcel Ahon Tatiana Kangah Mireille Kplé Loukou Marie Louise Djaha Fofie Yvette Sanogo Ibrahime Bahi Calixte djaman allico joseph Laboratory of Biology and Health UFR Biosciences Université Félix Houphou&euml t-Boigny (UFHB) Abidjan C&ocirc te d’Ivoire National Pedagogical Institute of Technical and Professional Education Abidjan C&ocirc te d’Ivoire Pharmacognosy Laboratory UFR of Pharmaceutical and Biological Sciences Université Félix Houphou&euml t -Boigny Abidjan C&ocirc te d’Ivoire Department of Clinical Haematology University Hospital of Yopougon Abidjan C&ocirc te d’Ivoire Institut Pasteur de Cô te d’Ivoire Abidjan C&ocirc te d’Ivoire

Sickle cell disease (SCD) is a genetic blood disorder that affects the shape and transportation of red blood cells (RBCs) in blood vessels, leading to various clinical complications. Sickle cell disease is a widespread genetic disease in Black Africa. The objective of this study was to evaluate the sickling inhibition activity of Griffonia simplicifolia. Quantitative and qualitative tests were used to determine the major groups of secondary metabolites present in the Griffonia simplicifolia leaves extracts and the modified Emmel test was used to perform the study of sickling inhibition activity. The OECD 423 toxicity study showed that at a single dose of 2000 mg/kg bw, Griffonia simplicifolia leaves extracts are not toxic. All tested substances inhibit erythrocyte falciformation in a dose-dependent manner. The percentages of inhibition were 50.35%, 73% and 94.23% for aqueous extract, hydromethanolic extract and phenylalanine respectively at the concentration of 15 mg/mL. The methanolic extract (70%) had higher activity compared to the aqueous extract. These results suggest that the Griffonia simplicifolia extracts have some potential to be used as alternative antisickling therapy in SCD management.

关键词： Griffonia simplicifolia Antisickling Aqueous Extract Methanolic Extract SS Erythrocyte

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