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Can Plasmodium falciparum Induce Homocysteinemia in Malaria Patients?

Journal of Biosciences and Medicines 2022年第5期10卷 117-128页

作者： Noé Yaméogo Abdoul Karim Ouattara bapio valérie bazié Alfred Rakissida Ouédraogo Florencia Wendkuuni Djigma Jacques Simporé Laboratoire de Biologie Moléculaires et de Génétique (LABIOGENE) UFR-SVT Université Joseph KI-ZERBO Ouagadougou Burkina Faso Centre Hospitalier Universitaire de Bogodogo Ouagadougou Burkina Faso Centre de Recherche Biomoléculaire Pietro Annigoni (CERBA) Ouagadougou Burkina Faso Université Norbert Zongo (UNZ) Centre Universitaire de Manga Koudougou Burkina Faso Centre National de Recherche Scientifique et Technologique Ouagadougou Burkina Faso UFR-SDS Université Joseph KI-ZERBO Ouagadougou Burkina Faso

Background: Plasmodium falciparum has developed elaborate strategies to survive in the hostile intracellular environment of the infected host cell, including resistance to oxidative stress. Cysteine is a metabolic product of homocysteine and a precursor of the antioxidant glutathione used by Plasmodium falciparum to escape harmful oxidation. Objectives: In the present study we aimed to assess whether Plasmodium falciparum can induce homocysteinemia in malaria patients of Burkina Faso. Methods: Eighty-five (85) individuals including 25 affected by severe malaria, 44 by simple malaria, and 12 negative controls for P. falciparum infection were included in the present study. An enzymatic assay of plasma homocysteinemia was performed using the Homocysteine Enzymatic Assay reagent (ref 05385415 190) on the Roche/ Hitachi Cobas c. Results: The results of the present study show that the mean plasma homocysteine concentrations were 15.1 ± 8.4 μmol/L among patients with severe malaria, 14.0 ± 6.0 μmol/L in patients with uncomplicated malaria, and 12.6 ± 4.1 μmol/L in negative controls for malaria parasite. Conclusions: Our findings suggest high homocysteinemia in malaria patients, especially in those with severe malaria. Monitoring homocysteinemia in the latter group will be useful to avoid complications when an elevated plasma level of homocysteine is a known risk factor for cardiovascular diseases.

关键词： Homocysteine Malaria Burkina Faso

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Molecular Diagnosis of Sexual Differentiation Disorders in Burkina Faso

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Journal of Biosciences and Medicines 2024年第3期12卷 1-15页

作者： bazie bapio valérie Elvira Jean Télesphore Sawadogo Soumaïla Zohoncon Théodora Mahoukèdè Tall Ahmadou Bado Prosper Soubeiga Serge Théophile Ouattara Moussa Sorgho Abel Kiendrebeogo Touwendpoulimdé Isabelle Yonli Albert Theophane Djigma Florencia Millogo/Traore Timongo Françoise Danielle Simpore Jacques Centre National de la Recherche Scientifique et Technologique (CNRST) Institut de Recherche en Sciences de la Santé (IRSS) Ouagadougou Burkina Faso Université Joseph KI-ZERBO Unité de Formation en Sciences de la Vie et de la Terre Laboratoire de Biologie Moléculaire et de Génétique (LABIOGENE) Ouagadougou Burkina Faso Centre de Recherche Biomoléculaire Pietro Annigonie (CERBA) Ouagadougou Burkina Faso Centre Hospitalier Universitaire Régional de Ouahigouya Ouagadougou Burkina Faso Centre Hospitalier Universitaire Yalgado Ouedraogo Université Joseph Ki-Zerbo Ouagadougou Burkina Faso

Sex development anomalies represent a group of congenital pathologies in which chromosomal, gonadal and anatomical sex differentiation is atypical. The aim of our study was to use molecular biology techniques to elucidate sex in cases of anomalies of sexual differentiation in Burkina Faso. This cross-sectional study took place from March 2023 to June 2023. Oral and blood samples were collected respectively using sterile swabs and stored on Swab Kits and NUCLEIcardTM (https://***/product-ranges/nucleic-card/) were used to determine gonosome profiles. Extraction was carried out using the DNA Swap solution Kit and the DNA IQ System Kit, and a PowerPlex? 21 kit (Promega) for amplification. The Applied Biosystems 9700 thermal cycler was used for PCR followed by 36 cm capillary electrophoresis in the Applied Biosystems 3130 prism sequencer. Sequence files were analyzed using GeneMapper IDX v. 3.2 software. Seven (07) patients were registered during the study period. There were 4 cases of XX DSD or 46, XX DSD and 3 cases of XY DSD or 46, XY DSD. The median age of our patients was 16 years. Civilian sex was male in 4 cases and female in 3. The most frequent reason for consultation was micropenis in 3 cases, followed by primary amenorrhea and sex ambiguity. There were 03 cases of discrepancy between genetic sex and civil sex. The accessibility of molecular diagnosis is little known to clinicians. XX DSDs or 46, XX DSDs were the most frequent (4/7) in our study. The problem facing this situation is early diagnosis to help prevent complications in Burkina Faso.

关键词： Gonosome DSD Abnormal Sexual Development Burkina Faso

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Study of Some Biological Parameters of Cirina butyrospermiVuillet (Lepidoptera, Attacidae), an Edible Insect and Shea Caterpillar (Butyrospermum paradoxumGaertn. F.) in a Context of Climate Change in Burkina Faso

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Advances in Entomology 2018年第1期6卷 1-8页

作者： Dabire Anogmain Rémy Bama bapio Hervé Ouedraogo Nafiba Sylvain Farako-Ba Research Center Environmental and Agricultural Research InstitutBobo-DioulassoBurkina Faso University Center of Dédougou DédougouBurkina Faso

Cirina butyrospermi is the main lepidoptera whose larvae constitute one of the main sources of edible insect protein in human food and are consumed by many ethnic groups in Burkina Faso and elsewhere in Africa. The preservation and mass production of this useful insect call for increased knowledge of its biological parameters. This study was carried out at the Farako-Ba experimental, environmental and agricultural research station of the Burkina Faso Institute of Environment and Agricultural Research. The approach has been to feed the larvae individually in the petri dishes wish the leaves of shea and then to measure the different biological parameters. Laboratory results—under temperature conditions varying between 24.5°C - 31°C and relative humidity varying between 58.40% - 84.80% with a 12:12 photoperiod—show that the incubation time of eggs is 30 days on average. The development cycle, which includes five larval stages, all feeding on shea leaves, lasts 33.3 ± 3.5 days. Adults (imago) live on average 2.28 ± 0.63 days for males and 2.47 ± 0.56 days for females. Finally, the average number of eggs laid per female is 283.19 ± 96, with an average fertility rate of 84.26% ± 2.16%. Thus, some biological parameters of this insect in our study conditions are now known. These results could contribute to knowledge of the bio-ecology of this insect, improving prospects for diversification and increased nutritional quality for humans.

关键词： Cirina butyrospermi Proteins Edible Insects Shea Biology

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DC-SIGN (CD209) Promoter -336 A/G Polymorphism Is Not Associated with Dengue Fever at Burkina Faso, West Africa

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Journal of Biosciences and Medicines 2023年第1期11卷 175-183页

作者： Fiffou Yougbare Aziz Sidi Aristide Tapsoba Pegdwendé Abel Sorgho Bagora Bayala Lassina Traore Prosper Bado bapio valérie Elvira Jean Télesphore bazie Abdou Azaque Zoure Esther Mah Alima Traore Théodora Mahoukèdè Zohoncon Sessi Frida Tovo Albert Théophane Yonli Alice Kiba Florencia Wendkuuni Djigma Jacques Simpore Laboratoire de Biologie Moléculaire et de Génétique (LABIOGENE) Université Joseph KI-ZERBO Ouagadougou Burkina Faso Centre de Recherche Biomoléculaire Pietro Annigoni (CERBA) Ouagadougou Burkina Faso Université Saint Thomas d’Aquin Ouagadougou Burkina Faso Centre National de la Recherche Scientifique et Technologique (CNRST) Ouagadougou Burkina Faso Centre National de Transfusion Sanguine (CNTS) Ouagadougou Burkina Faso

Objective: The aim of this study was to characterize the polymorphisms of the DC-SIGN (-336 A/G, rs4804803) gene and their association with the immunopathogenicity of dengue fever in Burkina Faso. Methods: A total of three hundred forty-one subjects, patients of all ages have been included in the study: 208 persons presenting clinical signs of dengue fever which were confirmed by diagnostic and 133 Healthy Controls. Genotyping for the CD209 variant (-336 A/G, rs4804803) was carried out using TaqMan SNP Genotyping Assays. Haplotype frequencies were inferred and compared between the study groups. Results: The percentage of men was 61.88% (211/341) and 38.12% (130/341) for women. The highest frequency of dengue fever (77.42%) was noted in patients with age between 20 to 40 years. Around 1.52% of the study population was positive for HIV, 40.55% were carriers of HBV and 3.83% of HCV. Genotype distribution of the CD209 variant (-336 A/G, rs4804803) was in Hardy-Weinberg equilibrium in both patients and controls. The frequency of allele A was higher than allele G;however, statistical analyses showed that there is no significant difference in genotypes GG, AG and AA in patients and controls. Conclusion: This related no significant association with dengue for the variant of ?336 A/G in the DC-SIGN gene in an Ouagadougou population. However, our results offered the SNP frequencies in a West African population, which might be useful for the study of ethnic groups.

关键词： Dengue Virus CD209 Variant (-336 A/G rs4804803) Burkina Faso

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Glucose-6-phosphate dehydrogenase(G6PD) deficiency is associated with asymptomatic malaria in a rural community in Burkina Faso

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Asian Pacific Journal of Tropical Biomedicine 2014年第8期4卷 655-658页

作者： Abdoul Karim Ouattara Cyrille Bisseye bapio valery Jean Télesphore Elvira bazie Birama Diarra Tegwindé Rebeca Compaore Florencia Djigma Virginio Pietra Remy Moret Jacques Simpore Centre for Biomolecular Research Pietro Annigoni(CERBA) LABIOGENE UFR/SVT University of Ouagadougou BP 364 OuagadougouBurkina Faso Laboratory of Molecular and Cellular Biology(LABMC) University of Science and Technology of Masuku(USTM)BP 943 FrancerilleGabon

Objective:To investigate 4 combinations of mutations responsible for glucose-6—phosphate dehydrogenase(G6PD) deficiency in a rural community of Burkina Faso,a malaria endemic ***:Two hundred individuals in a rural community were genotyped for the mutations A376 G.G202A,A542 T,G680T and T968 C using TaqMan single nucleotide polymorphism assays and polymerase chain reaction followed by restriction fragment length ***:The prevalence of the G6 PD deficiency was 9.5%,in the study *** was significantly higher in men compared to women(14.23%vs 6.0%,P=0.049).The 202A/376 G G6PD Awas the only deficient variant *** falciparum asymptomatic parasitemia was significantly higher among the C6PD-non—deficient persons compared to the G6PD-deficient(P<0.001).The asymptomatic parasitemia was also significantly higher among G(SPI) nondeficient compared to C6PD—heterozygous females(P<0.001).Conclusions:This study showed that the G6 PD A- variant associated with protection against asymptomatic malaria in Burkina Faso is probably the most common deficient variant.

关键词： Polymerase chain reaction Mutations Glucose-6-phosphate dehydrogenase deficiency Asymptomatic malaria Burkina Faso

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Role of Glutathione S-Transferase (GSTM1 and GSTT1) Genes Deletion in Susceptibility to HIV-1 Disease Progression

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Journal of Biosciences and Medicines 2020年第2期8卷 41-54页

作者： Florencia Wendkuuni Djigma Pegdwendé Abel Sorgho Serge Théophile Soubeiga Albert Théophane Yonli Herman Karim Sombie Isabelle Touwendpoulimdé Kiendrebeogo Tégwindé Rebeca Compaore Abdoul Karim Ouattara bapio V. J. T. Elvira bazie Bolni Marius Nagalo Jacques Simpore Molecular Biology and Genetics Laboratory (LABIOGENE) Department of Biochemistry and Microbiology University JOSEPH KI-ZERBO Ouagadougou Burkina Faso Pietro Annigoni Biomolecular Research Center (CERBA) Ouagadougou Burkina Faso Institut de Recherche en Sciences de la Sante (IRSS) Biomedical and Public health Department Ouagadougou Burkina Faso Division of Hematology and Oncology Mayo Clinic Scottsdale AZ USA

Background: Glutathione S-transferases (GSTs) are multifunctional enzymes which play an important role in oxidative stress pathways by conjugation with glutathione. Oxidative stress is one of several risk factors that may be associated with many types of diseases progression such as cancer and infectious diseases. In this study, we investigated the association between the polymorphism of GSTM1 and GSTT1 genes and the risk of HIV-1 disease progression. Methods: We conducted a case-control study including 313 participants of Burkina Faso: 153 HIV-1 infected individuals on antiretroviral treatment (ART) and 160 HIV-1 negative individuals as controls. Presence or absence of the GSTM1 and GSTT1 genes was determined using multiplex polymerase chain reaction (PCR). CD4+ T counts and HIV-1 viral load were measured in patients using respectively BD FACSCount and Abbott m2000rt instruments. Results: Frequencies of GSTM1-null and GSTT1-null were 30.35% and 35.46% respectively and the frequency of double deletion GSTM1-null/GSTT1-null was 14.38% in the general study population. GSTM1-null (30.35% versus 69.65%;OR = 1.90;p = 0.010), GSTT1-null (35.46% versus 64.54%;OR = 3.11;p GSTM1-active/GSTT1-null (21.08% versus 48.56%;OR = 3.17;p GSTM1-null/GSTT1-null (14.38% versus 48.56%;OR = 4.46;p GSTM1-null and GSTM1-null/GSTT1-null were associated with increased odds of low CD4+ count (3) and high HIV-1 viral load (≥1000 copies/mL). Conclusion: GSTM1-null, GSTT1-null genotype, the double genotypes GSTM1-active/GSTT1-null and GSTM1-null/GSTT1-null were associated with HIV-1 disease progression and GSTM1-null and GSTM1- null/GSTT1-null genotypes were associated with low CD4+ T cells counts and high HIV-1 viral load in HIV-1infected patients on ART.

关键词： HIV-1 GSTM1 GSTT1 Burkina Faso

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