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McNitt SA, Dick JK, Hernandez Castaneda M, Sangala JA, Pierson M, Macchietto M, Burrack KS, Crompton PD, Seydel KB, Hamilton SE, Hart GT. Phenotype and function of IL-10 producing NK cells in individuals with malaria experience. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.05.11.593687. [PMID: 38798324 PMCID: PMC11118352 DOI: 10.1101/2024.05.11.593687] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/29/2024]
Abstract
Plasmodium falciparum infection can trigger high levels of inflammation that lead to fever and sometimes severe disease. People living in malaria-endemic areas gradually develop resistance to symptomatic malaria and control both parasite numbers and the inflammatory response. We previously found that adaptive natural killer (NK) cells correlate with reduced parasite load and protection from symptoms. We also previously found that murine NK cell production of IL-10 can protect mice from experimental cerebral malaria. Human NK cells can also secrete IL-10, but it was unknown what NK cell subsets produce IL-10 and if this is affected by malaria experience. We hypothesize that NK cell immunoregulation may lower inflammation and reduce fever induction. Here, we show that NK cells from subjects with malaria experience make significantly more IL-10 than subjects with no malaria experience. We then determined the proportions of NK cells that are cytotoxic and produce interferon gamma and/or IL-10 and identified a signature of adaptive and checkpoint molecules on IL-10-producing NK cells. Lastly, we find that co-culture with primary monocytes, Plasmodium -infected RBCs, and antibody induces IL-10 production by NK cells. These data suggest that NK cells may contribute to protection from malaria symptoms via IL-10 production.
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Cretin J, Adjemout M, Dieppois C, Gallardo F, Torres M, Merard Z, Sawadogo SA, Picard C, Rihet P, Paul P. A Non-Coding Fc Gamma Receptor Cis-Regulatory Variant within the 1q23 Gene Cluster Is Associated with Plasmodium falciparum Infection in Children Residing in Burkina Faso. Int J Mol Sci 2023; 24:15711. [PMID: 37958695 PMCID: PMC10650193 DOI: 10.3390/ijms242115711] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Revised: 08/27/2023] [Accepted: 08/31/2023] [Indexed: 11/15/2023] Open
Abstract
Antibodies play a crucial role in activating protective immunity against malaria by interacting with Fc-gamma receptors (FcγRs). Genetic variations in genes encoding FcγRs can affect immune cell responses to the parasite. In this study, our aim was to investigate whether non-coding variants that regulate FcγR expression could influence the prevalence of Plasmodium falciparum infection. Through bioinformatics approaches, we selected expression quantitative trait loci (eQTL) for FCGR2A, FCGR2B, FCGR2C, FCGR3A, and FCGR3B genes encoding FcγRs (FCGR), in whole blood. We prioritized two regulatory variants, rs2099684 and rs1771575, located in open genomic regions. These variants were identified using RegVar, ImmuNexUT, and transcription factor annotations specific to immune cells. In addition to these, we genotyped the coding variants FCGR2A/rs1801274 and FCGR2B/rs1050501 in 234 individuals from a malaria-endemic area in Burkina Faso. We conducted age and family-based analyses to evaluate associations with the prevalence of malarial infection in both children and adults. The analysis revealed that the regulatory rs1771575-CC genotype was predicted to influence FCGR2B/FCGR2C/FCGR3A transcripts in immune cells and was the sole variant associated with a higher prevalence of malarial infection in children. In conclusion, this study identifies the rs1771575 cis-regulatory variant affecting several FcγRs in myeloid and neutrophil cells and associates it with the inter-individual capacity of children living in Burkina Faso to control malarial infection.
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Affiliation(s)
- Jules Cretin
- INSERM 1090, TAGC Theories and Approaches of Genomic Complexity, Campus de Luminy, Aix Marseille University, 13288 Marseille, France (M.A.); (C.D.); (F.G.); (M.T.)
- Institut MarMaRa, 13288 Marseille, France
| | - Mathieu Adjemout
- INSERM 1090, TAGC Theories and Approaches of Genomic Complexity, Campus de Luminy, Aix Marseille University, 13288 Marseille, France (M.A.); (C.D.); (F.G.); (M.T.)
- Institut MarMaRa, 13288 Marseille, France
| | - Christelle Dieppois
- INSERM 1090, TAGC Theories and Approaches of Genomic Complexity, Campus de Luminy, Aix Marseille University, 13288 Marseille, France (M.A.); (C.D.); (F.G.); (M.T.)
| | - Frederic Gallardo
- INSERM 1090, TAGC Theories and Approaches of Genomic Complexity, Campus de Luminy, Aix Marseille University, 13288 Marseille, France (M.A.); (C.D.); (F.G.); (M.T.)
| | - Magali Torres
- INSERM 1090, TAGC Theories and Approaches of Genomic Complexity, Campus de Luminy, Aix Marseille University, 13288 Marseille, France (M.A.); (C.D.); (F.G.); (M.T.)
| | - Zachary Merard
- ADES UMR, Aix Marseille University, 13288 Marseille, France (C.P.)
| | - Serge Aimé Sawadogo
- Unité de Formation en Sciences de la Santé (UFR/SDS), Université Joseph KI-ZERBO, Ouagadougou 03 BP 7021, Burkina Faso;
- Centre PrïmO-Nelson Mandela, 84 rue Sao Tomé et Principe, Ouagadougou 09 BP 706, Burkina Faso
| | - Christophe Picard
- ADES UMR, Aix Marseille University, 13288 Marseille, France (C.P.)
- Immunogenetics Laboratory, Etablissement Français du Sang PACA-Corse, 13001 Marseille, France
| | - Pascal Rihet
- INSERM 1090, TAGC Theories and Approaches of Genomic Complexity, Campus de Luminy, Aix Marseille University, 13288 Marseille, France (M.A.); (C.D.); (F.G.); (M.T.)
| | - Pascale Paul
- INSERM 1090, TAGC Theories and Approaches of Genomic Complexity, Campus de Luminy, Aix Marseille University, 13288 Marseille, France (M.A.); (C.D.); (F.G.); (M.T.)
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3
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Natama HM, Rovira-Vallbona E, Krit M, Guetens P, Sorgho H, Somé MA, Traoré-Coulibaly M, Valéa I, Mens PF, Schallig HDFH, Berkvens D, Kestens L, Tinto H, Rosanas-Urgell A. Genetic variation in the immune system and malaria susceptibility in infants: a nested case-control study in Nanoro, Burkina Faso. Malar J 2021; 20:94. [PMID: 33593344 PMCID: PMC7885350 DOI: 10.1186/s12936-021-03628-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2020] [Revised: 02/03/2021] [Accepted: 02/05/2021] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND Genetic polymorphisms in the human immune system modulate susceptibility to malaria. However, there is a paucity of data on the contribution of immunogenetic variants to malaria susceptibility in infants, who present differential biological features related to the immaturity of their adaptive immune system, the protective effect of maternal antibodies and fetal haemoglobin. This study investigated the association between genetic variation in innate immune response genes and malaria susceptibility during the first year of life in 656 infants from a birth cohort survey performed in Nanoro, Burkina Faso. METHODS Seventeen single nucleotide polymorphisms (SNPs) in 11 genes of the immune system previously associated with different malaria phenotypes were genotyped using TaqMan allelic hybridization assays in a Fluidigm platform. Plasmodium falciparum infection and clinical disease were documented by active and passive case detection. Case-control association analyses for both alleles and genotypes were carried out using univariate and multivariate logistic regression. For cytokines showing significant SNP associations in multivariate analyses, cord blood supernatant concentrations were measured by quantitative suspension array technology (Luminex). RESULTS Genetic variants in IL-1β (rs1143634) and FcγRIIA/CD32 (rs1801274)-both in allelic, dominant and co-dominant models-were significantly associated with protection from both P. falciparum infection and clinical malaria. Furthermore, heterozygote individuals with rs1801274 SNP in FcγRIIA/CD32 showed higher IL-1RA levels compared to wild-type homozygotes (P = 0.024), a cytokine whose production is promoted by the binding of IgG immune complexes to Fcγ receptors on effector immune cells. CONCLUSIONS These findings indicate that genetic polymorphisms in genes driving innate immune responses are associated to malaria susceptibility during the first year of life, possibly by modulating production of inflammatory mediators.
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Affiliation(s)
- Hamatandi Magloire Natama
- Department of Biomedical Sciences, Institute of Tropical Medicine, Antwerp, Belgium.
- Unité de Recherche Clinique de Nanoro, Institut de Recherche en Sciences de La Santé, Nanoro, Burkina Faso.
- Department of Biomedical Sciences, University of Antwerp, Antwerp, Belgium.
| | | | - Meryam Krit
- Department of Biomedical Sciences, Institute of Tropical Medicine, Antwerp, Belgium
| | - Pieter Guetens
- Department of Biomedical Sciences, Institute of Tropical Medicine, Antwerp, Belgium
| | - Hermann Sorgho
- Unité de Recherche Clinique de Nanoro, Institut de Recherche en Sciences de La Santé, Nanoro, Burkina Faso
| | - M Athanase Somé
- Unité de Recherche Clinique de Nanoro, Institut de Recherche en Sciences de La Santé, Nanoro, Burkina Faso
| | - Maminata Traoré-Coulibaly
- Unité de Recherche Clinique de Nanoro, Institut de Recherche en Sciences de La Santé, Nanoro, Burkina Faso
| | - Innocent Valéa
- Unité de Recherche Clinique de Nanoro, Institut de Recherche en Sciences de La Santé, Nanoro, Burkina Faso
| | - Petra F Mens
- Department of Medical Microbiology-Parasitology Unit, Academic Medical Centre, Amsterdam University Medical Centres, Amsterdam, The Netherlands
| | - Henk D F H Schallig
- Department of Medical Microbiology-Parasitology Unit, Academic Medical Centre, Amsterdam University Medical Centres, Amsterdam, The Netherlands
| | - Dirk Berkvens
- Department of Biomedical Sciences, Institute of Tropical Medicine, Antwerp, Belgium
| | - Luc Kestens
- Department of Biomedical Sciences, Institute of Tropical Medicine, Antwerp, Belgium
- Department of Biomedical Sciences, University of Antwerp, Antwerp, Belgium
| | - Halidou Tinto
- Unité de Recherche Clinique de Nanoro, Institut de Recherche en Sciences de La Santé, Nanoro, Burkina Faso
- Centre Muraz, Bobo Dioulasso, Burkina Faso
| | - Anna Rosanas-Urgell
- Department of Biomedical Sciences, Institute of Tropical Medicine, Antwerp, Belgium.
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4
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Troye-Blomberg M, Arama C, Quin J, Bujila I, Östlund Farrants AK. What will studies of Fulani individuals naturally exposed to malaria teach us about protective immunity to malaria? Scand J Immunol 2020; 92:e12932. [PMID: 32652609 PMCID: PMC7583377 DOI: 10.1111/sji.12932] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2020] [Revised: 06/18/2020] [Accepted: 07/06/2020] [Indexed: 12/27/2022]
Abstract
There are an estimated over 200 million yearly cases of malaria worldwide. Despite concerted international effort to combat the disease, it still causes approximately half a million deaths every year, the majority of which are young children with Plasmodium falciparum infection in sub‐Saharan Africa. Successes are largely attributed to malaria prevention strategies, such as insecticide‐treated mosquito nets and indoor spraying, as well as improved access to existing treatments. One important hurdle to new approaches for the treatment and prevention of malaria is our limited understanding of the biology of Plasmodium infection and its complex interaction with the immune system of its human host. Therefore, the elimination of malaria in Africa not only relies on existing tools to reduce malaria burden, but also requires fundamental research to develop innovative approaches. Here, we summarize our discoveries from investigations of ethnic groups of West Africa who have different susceptibility to malaria.
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Affiliation(s)
- Marita Troye-Blomberg
- Department of Molecular Biosciences, The Wenner-Gren Institute, Stockholm University, Stockholm, Sweden
| | - Charles Arama
- Department of Epidemiology of Parasitic Diseases, International Center of Excellence in Research, Malaria Research and Training Centre, University of Sciences, Technique and Technology of Bamako, Bamako, Mali
| | - Jaclyn Quin
- Department of Molecular Biosciences, The Wenner-Gren Institute, Stockholm University, Stockholm, Sweden.,CEITEC Masaryk University, Brno, Czech Republic
| | - Ioana Bujila
- Department of Molecular Biosciences, The Wenner-Gren Institute, Stockholm University, Stockholm, Sweden.,Department of Microbiology, Public Health Agency of Sweden, Solna, Sweden
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Pratt-Riccio LR, De Souza Perce-Da-Silva D, Da Costa Lima-Junior J, Pratt Riccio EK, Ribeiro-Alves M, Santos F, Arruda M, Camus D, Druilhe P, Oliveira-Ferreira J, Daniel-Ribeiro CT, Banic DM. Synthetic Antigens Derived from Plasmodium falciparum Sporozoite, Liver, and Blood Stages: Naturally Acquired Immune Response and Human Leukocyte Antigen Associations in Individuals Living in a Brazilian Endemic Area. Am J Trop Med Hyg 2017; 97:1581-1592. [PMID: 29016339 DOI: 10.4269/ajtmh.17-0359] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
Abstract
Peptide vaccine strategies using Plasmodium-derived antigens have emerged as an attractive approach against malaria. However, relatively few studies have been conducted with malaria-exposed populations from non-African countries. Herein, the seroepidemiological profile against Plasmodium falciparum of naturally exposed individuals from a Brazilian malaria-endemic area against synthetic peptides derived from vaccine candidates circumsporozoite protein (CSP), liver stage antigen-1 (LSA-1), erythrocyte binding antigen-175 (EBA-175), and merozoite surface protein-3 (MSP-3) was investigated. Moreover, human leukocyte antigen (HLA)-DRB1* and HLA-DQB1* were evaluated to characterize genetic modulation of humoral responsiveness to these antigens. The study was performed using blood samples from 187 individuals living in rural malaria-endemic villages situated near Porto Velho, Rondônia State. Specific IgG and IgM antibodies and IgG subclasses were detected by enzyme-linked immunosorbent assay, and HLA-DRB1* and HLA-DQB1* low-resolution typing was performed by PCR-SSP. All four synthetic peptides were broadly recognized by naturally acquired antibodies. Regarding the IgG subclass profile, only CSP induced IgG1 and IgG3 antibodies, which is an important fact given that the acquisition of protective immunity appears to be associated with the cytophilicity of IgG1 and IgG3 antibodies. HLA-DRB1*11 and HLA-DQB1*7 had the lowest odds of responding to EBA-175. Our results showed that CSP, LSA-1, EBA, and MSP-3 are immunogenic in natural conditions of exposure and that anti-EBA antibody responses appear to be modulated by HLA class II antigens.
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Affiliation(s)
| | | | | | | | - Marcelo Ribeiro-Alves
- Laboratório de Pesquisa Clínica em DST/AIDS, Instituto Nacional de Infectologia Evandro Chagas, Fiocruz, Rio de Janeiro, Brazil
| | - Fátima Santos
- Laboratório Central de Saúde Pública (LACEN), Rondônia, Brazil
| | - Mercia Arruda
- Departamento de Imunologia, Centro de Pesquisas Aggeu Magalhães, Fiocruz, Recife, Brazil
| | - Daniel Camus
- Service de Parasitologie-Mycologie, Faculte de Médecine, Lille, France
| | | | | | | | - Dalma Maria Banic
- Laboratório de Imunologia Clínica, Instituto Oswaldo Cruz, Fiocruz, Rio de Janeiro, Brazil
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6
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Quin JE, Bujila I, Chérif M, Sanou GS, Qu Y, Vafa Homann M, Rolicka A, Sirima SB, O'Connell MA, Lennartsson A, Troye-Blomberg M, Nebie I, Östlund Farrants AK. Major transcriptional changes observed in the Fulani, an ethnic group less susceptible to malaria. eLife 2017; 6:29156. [PMID: 28923166 PMCID: PMC5629023 DOI: 10.7554/elife.29156] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2017] [Accepted: 09/05/2017] [Indexed: 12/12/2022] Open
Abstract
The Fulani ethnic group has relatively better protection from Plasmodium falciparum malaria, as reflected by fewer symptomatic cases of malaria, lower infection rates, and lower parasite densities compared to sympatric ethnic groups. However, the basis for this lower susceptibility to malaria by the Fulani is unknown. The incidence of classic malaria resistance genes are lower in the Fulani than in other sympatric ethnic populations, and targeted SNP analyses of other candidate genes involved in the immune response to malaria have not been able to account for the observed difference in the Fulani susceptibility to P.falciparum. Therefore, we have performed a pilot study to examine global transcription and DNA methylation patterns in specific immune cell populations in the Fulani to elucidate the mechanisms that confer the lower susceptibility to P.falciparum malaria. When we compared uninfected and infected Fulani individuals, in contrast to uninfected and infected individuals from the sympatric ethnic group Mossi, we observed a key difference: a strong transcriptional response was only detected in the monocyte fraction of the Fulani, where over 1000 genes were significantly differentially expressed upon P.falciparum infection.
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Affiliation(s)
- Jaclyn E Quin
- Department of Molecular Biosciences, The Wenner-Gren Institute, Stockholm University, Stockholm, Sweden
| | - Ioana Bujila
- Department of Molecular Biosciences, The Wenner-Gren Institute, Stockholm University, Stockholm, Sweden
| | - Mariama Chérif
- Centre National de Recherche et de Formation sur le Paludisme, Ouagadougou, Burkina Faso.,Université Polytechnique de Bobo-Dioulasso, Bobo-Dioulasso, Burkina Faso
| | - Guillaume S Sanou
- Centre National de Recherche et de Formation sur le Paludisme, Ouagadougou, Burkina Faso
| | - Ying Qu
- Department of Biosciences and Nutrition, Karolinska Institute, Stockholm, Sweden
| | - Manijeh Vafa Homann
- Unit of Infectious Diseases, Department of Medicine, Karolinska Institute, Stockholm, Sweden
| | - Anna Rolicka
- Department of Molecular Biosciences, The Wenner-Gren Institute, Stockholm University, Stockholm, Sweden
| | - Sodiomon B Sirima
- Centre National de Recherche et de Formation sur le Paludisme, Ouagadougou, Burkina Faso
| | | | - Andreas Lennartsson
- Department of Biosciences and Nutrition, Karolinska Institute, Stockholm, Sweden
| | - Marita Troye-Blomberg
- Department of Molecular Biosciences, The Wenner-Gren Institute, Stockholm University, Stockholm, Sweden
| | - Issa Nebie
- Centre National de Recherche et de Formation sur le Paludisme, Ouagadougou, Burkina Faso
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7
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Adu B, Cherif MK, Bosomprah S, Diarra A, Arthur FKN, Dickson EK, Corradin G, Cavanagh DR, Theisen M, Sirima SB, Nebie I, Dodoo D. Antibody levels against GLURP R2, MSP1 block 2 hybrid and AS202.11 and the risk of malaria in children living in hyperendemic (Burkina Faso) and hypo-endemic (Ghana) areas. Malar J 2016; 15:123. [PMID: 26921176 PMCID: PMC4769494 DOI: 10.1186/s12936-016-1146-4] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2015] [Accepted: 02/04/2016] [Indexed: 12/31/2022] Open
Abstract
Background
Differences in parasite transmission intensity influence the process of acquisition of host immunity to Plasmodium falciparum malaria and ultimately, the rate of malaria related morbidity and mortality. Potential vaccines being designed to complement current intervention efforts therefore need to be evaluated against different malaria endemicity backgrounds. Methods The associations between antibody responses to the chimeric merozoite surface protein 1 block 2 hybrid (MSP1 hybrid), glutamate-rich protein region 2 (GLURP R2) and the peptide AS202.11, and the risk of malaria were assessed in children living in malaria hyperendemic (Burkina Faso, n = 354) and hypo-endemic (Ghana, n = 209) areas. Using the same reagent lots and standardized protocols for both study sites, immunoglobulin (Ig) M, IgG and IgG sub-class levels to each antigen were measured by ELISA in plasma from the children (aged 6–72 months). Associations between antibody levels and risk of malaria were assessed using Cox regression models adjusting for covariates. Results There was a significant association between GLURP R2 IgG3 and reduced risk of malaria after adjusting age of children in both the Burkinabe (hazard ratio 0.82; 95 % CI 0.74–0.91, p < 0.0001) and the Ghanaian (HR 0.48; 95 % CI 0.25–0.91, p = 0.02) cohorts. MSP1 hybrid IgM was associated (HR 0.85; 95 % CI 0.73–0.98, p = 0.02) with reduced risk of malaria in Burkina Faso cohort while IgG against AS202.11 in the Ghanaian children was associated with increased risk of malaria (HR 1.29; 95 % CI 1.01–1.65, p = 0.04). Conclusion These findings support further development of GLURP R2 and MSP1 block 2 hybrid, perhaps as a fusion vaccine antigen targeting malaria blood stage that can be deployed in areas of varying transmission intensity. Electronic supplementary material The online version of this article (doi:10.1186/s12936-016-1146-4) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Bright Adu
- Noguchi Memorial Institute for Medical Research, University of Ghana, Legon, Ghana.
| | - Mariama K Cherif
- Polytechnic University of BoboDioulasso, Bobo-Dioulasso, Burkina Faso. .,Centre National de Recherche et de Formation sur le paludisme, Ouagadougou, Burkina Faso.
| | | | - Amidou Diarra
- Centre National de Recherche et de Formation sur le paludisme, Ouagadougou, Burkina Faso.
| | - Fareed K N Arthur
- Department of Biochemistry and Biotechnology, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana.
| | - Emmanuel K Dickson
- Noguchi Memorial Institute for Medical Research, University of Ghana, Legon, Ghana.
| | | | - David R Cavanagh
- Institute of Cell, Animal and Population Biology, School of Biological Sciences, University of Edinburgh, Edinburgh, Scotland, UK.
| | - Michael Theisen
- Department for Congenital Disorders, Statens Serum Institut, Copenhagen, Denmark.
| | - Sodiomon B Sirima
- Centre National de Recherche et de Formation sur le paludisme, Ouagadougou, Burkina Faso.
| | - Issa Nebie
- Centre National de Recherche et de Formation sur le paludisme, Ouagadougou, Burkina Faso.
| | - Daniel Dodoo
- Noguchi Memorial Institute for Medical Research, University of Ghana, Legon, Ghana.
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8
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Mbinze JK, Sacré PY, Yemoa A, Mavar Tayey Mbay J, Habyalimana V, Kalenda N, Hubert P, Marini RD, Ziemons E. Development, validation and comparison of NIR and Raman methods for the identification and assay of poor-quality oral quinine drops. J Pharm Biomed Anal 2015; 111:21-7. [PMID: 25828509 DOI: 10.1016/j.jpba.2015.02.049] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2014] [Revised: 02/26/2015] [Accepted: 02/27/2015] [Indexed: 11/18/2022]
Abstract
Poor quality antimalarial drugs are one of the public's major health problems in Africa. The depth of this problem may be explained in part by the lack of effective enforcement and the lack of efficient local drug analysis laboratories. To tackle part of this issue, two spectroscopic methods with the ability to detect and to quantify quinine dihydrochloride in children's oral drops formulations were developed and validated. Raman and near infrared (NIR) spectroscopy were selected for the drug analysis due to their low cost, non-destructive and rapid characteristics. Both of the methods developed were successfully validated using the total error approach in the range of 50-150% of the target concentration (20%W/V) within the 10% acceptance limits. Samples collected on the Congolese pharmaceutical market were analyzed by both techniques to detect potentially substandard drugs. After a comparison of the analytical performance of both methods, it has been decided to implement the method based on NIR spectroscopy to perform the routine analysis of quinine oral drop samples in the Quality Control Laboratory of Drugs at the University of Kinshasa (DRC).
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Affiliation(s)
- J K Mbinze
- University of Liege (ULg), Department of Pharmacy, CIRM, Laboratory of Analytical Chemistry, 1 Avenue de l'Hôpital, B36, B-4000 Liège, Belgium; Laboratoire d'Analyse des Médicaments, Département de Galénique et d'Analyse des Médicaments, Université de Kinshasa, BP 212, Kinshasa XI, Democratic Republic of Congo
| | - P-Y Sacré
- University of Liege (ULg), Department of Pharmacy, CIRM, Laboratory of Analytical Chemistry, 1 Avenue de l'Hôpital, B36, B-4000 Liège, Belgium.
| | - A Yemoa
- UFR Pharmacie, Faculté des Sciences de Santé, Université d'Abomey Calavi, Bénin
| | - J Mavar Tayey Mbay
- Laboratoire d'Analyse des Médicaments, Département de Galénique et d'Analyse des Médicaments, Université de Kinshasa, BP 212, Kinshasa XI, Democratic Republic of Congo
| | - V Habyalimana
- University of Liege (ULg), Department of Pharmacy, CIRM, Laboratory of Analytical Chemistry, 1 Avenue de l'Hôpital, B36, B-4000 Liège, Belgium; Rwanda Biomedical Center (RBC)/Medical Procurement and Production Division, P.O. Box 340, Butare, Rwanda
| | - N Kalenda
- University of Liege (ULg), Department of Pharmacy, CIRM, Laboratory of Analytical Chemistry, 1 Avenue de l'Hôpital, B36, B-4000 Liège, Belgium; Laboratoire d'Analyse des Médicaments, Département de Galénique et d'Analyse des Médicaments, Université de Kinshasa, BP 212, Kinshasa XI, Democratic Republic of Congo
| | - Ph Hubert
- University of Liege (ULg), Department of Pharmacy, CIRM, Laboratory of Analytical Chemistry, 1 Avenue de l'Hôpital, B36, B-4000 Liège, Belgium
| | - R D Marini
- University of Liege (ULg), Department of Pharmacy, CIRM, Laboratory of Analytical Chemistry, 1 Avenue de l'Hôpital, B36, B-4000 Liège, Belgium
| | - E Ziemons
- University of Liege (ULg), Department of Pharmacy, CIRM, Laboratory of Analytical Chemistry, 1 Avenue de l'Hôpital, B36, B-4000 Liège, Belgium
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