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Jaworek MW, Oliva R, Winter R. Enabling High Activation of Glucose-6-Phosphate Dehydrogenase Activity Through Liquid Condensate Formation and Compression. Chemistry 2024; 30:e202400690. [PMID: 38471074 DOI: 10.1002/chem.202400690] [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: 02/20/2024] [Revised: 03/11/2024] [Accepted: 03/12/2024] [Indexed: 03/14/2024]
Abstract
Droplet formation via liquid-liquid phase separation is thought to be involved in the regulation of various biological processes, including enzymatic reactions. We investigated a glycolytic enzymatic reaction, the conversion of glucose-6-phosphate to 6-phospho-D-glucono-1,5-lactone with concomitant reduction of NADP+ to NADPH both in the absence and presence of dynamically controlled liquid droplet formation. Here, the nucleotide serves as substrate as well as the scaffold required for the formation of liquid droplets. To further expand the process parameter space, temperature and pressure dependent measurements were performed. Incorporation of the reactants in the liquid droplet phase led to a boost in enzymatic activity, which was most pronounced at medium-high pressures. The crowded environment of the droplet phase induced a marked increase of the affinity of the enzyme and substrate. An increase in turnover number in the droplet phase at high pressure contributed to a further strong increase in catalytic efficiency. Enzyme systems that are dynamically coupled to liquid condensate formation may be the key to deciphering many biochemical reactions. Expanding the process parameter space by adjusting temperature and pressure conditions can be a means to further increase the efficiency of industrial enzyme utilization and help uncover regulatory mechanisms adopted by extremophiles.
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Affiliation(s)
- Michel W Jaworek
- Physical Chemistry I - Biophysical Chemistry, Department of Chemistry and Chemical Biology, TU Dortmund University, Otto-Hahn-Strasse 4a, 44227, Dortmund, Germany
| | - Rosario Oliva
- Department of Chemical Sciences, University of Naples Federico II, Via Cintia 4, 80126, Napoli, Italy
| | - Roland Winter
- Physical Chemistry I - Biophysical Chemistry, Department of Chemistry and Chemical Biology, TU Dortmund University, Otto-Hahn-Strasse 4a, 44227, Dortmund, Germany
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2
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Villarreal-Martínez L, Torres-Sánchez KA, Ibarra-Ramírez M, Martínez-Garza LE, Villarreal-Martínez DZ, Viera DAG, Herrera MDCR, O-Castillo M, Bautista-Gómez AJ, Martínez AG, de la Garza JFM. Prevalence of Glucose-6-Phosphate Dehydrogenase Deficiency in Newborns in Northeast Mexico. Am J Perinatol 2024; 41:e573-e576. [PMID: 35977713 DOI: 10.1055/a-1926-0075] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
OBJECTIVE Glucose-6-phosphate dehydrogenase deficiency (G6PDd) is the most common enzymatic disease worldwide and the prevalence is not well established because of the lack of screening. This study aimed to estimate the prevalence of G6PDd in a Hispanic population from Northeast Mexico. STUDY DESIGN In this retrospective study, a database was used to analyze the G6PDd in neonates included in the expanded newborn metabolic screening of inherited metabolic disorders during a period of 4 years through the GSP Neonatal G6 kit (PerkinElmer). RESULTS Among 96,152 (48,462 male) neonates screened for G6PD enzyme activity, a total of 566 (0.58%) cases were deficient for G6PD. Of those 566 patients, 469 (82.8%) attended the second test and the other 97 (17.2%) patients were lost. Of those 469 who did attend, 384 (81.9%) neonates were deficient in the second test and 85 (18.1%) were normal. With the data collected, 384 neonates were confirmed with G6PDd, 348 (88.6%) were male and 36 (11.4%) patients were female. The calculated prevalence for this population was 0.72 cases per 100 male newborns. CONCLUSION The prevalence of G6PDd in the Northeastern Mexican population is high. Since migration is increasing in the United States, pediatricians should be aware of the need to search for G6PDd in newborns and the wide clinical manifestations they can present. KEY POINTS · The calculated prevalence of glucose-6-phosphate dehydrogenase deficiency in Northeast Mexico is 3.99 cases per 1,000 newborns.. · Glucose-6-phosphate dehydrogenase deficiency screenings should be included in all newborn metabolic screenings.. · Glucose-6-phosphate dehydrogenase deficiency is a common erythroenzymopathy that must be addressed as a public health concern. To anticipate clinical complications, target population monitoring is required..
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Affiliation(s)
- Laura Villarreal-Martínez
- Hematology Department, Hospital Universitario ̈Dr. José Eleuterio González̈ Universidad Autónoma de Nuevo León, Monterrey, Nuevo León, México
| | - Katia A Torres-Sánchez
- Hematology Department, Hospital Universitario ̈Dr. José Eleuterio González̈ Universidad Autónoma de Nuevo León, Monterrey, Nuevo León, México
| | - Marisol Ibarra-Ramírez
- Genetics Department, Hospital Universitario ̈Dr. José Eleuterio González̈ Universidad Autónoma de Nuevo León, Monterrey, Nuevo León, México
| | - Laura E Martínez-Garza
- Genetics Department, Hospital Universitario ̈Dr. José Eleuterio González̈ Universidad Autónoma de Nuevo León, Monterrey, Nuevo León, México
| | - Daniel Z Villarreal-Martínez
- Hematology Department, Hospital Universitario ̈Dr. José Eleuterio González̈ Universidad Autónoma de Nuevo León, Monterrey, Nuevo León, México
| | - Daniel A G Viera
- Hematology Department, Hospital Universitario ̈Dr. José Eleuterio González̈ Universidad Autónoma de Nuevo León, Monterrey, Nuevo León, México
| | - María Del C R Herrera
- Genetics Department, Hospital Universitario ̈Dr. José Eleuterio González̈ Universidad Autónoma de Nuevo León, Monterrey, Nuevo León, México
| | - Miguel O-Castillo
- Hematology Department, Hospital Universitario ̈Dr. José Eleuterio González̈ Universidad Autónoma de Nuevo León, Monterrey, Nuevo León, México
| | - Andrea J Bautista-Gómez
- Hematology Department, Hospital Universitario ̈Dr. José Eleuterio González̈ Universidad Autónoma de Nuevo León, Monterrey, Nuevo León, México
| | - Adrián G Martínez
- Hematology Department, Hospital Universitario ̈Dr. José Eleuterio González̈ Universidad Autónoma de Nuevo León, Monterrey, Nuevo León, México
| | - Juan F M de la Garza
- Hematology Department, Hospital Universitario ̈Dr. José Eleuterio González̈ Universidad Autónoma de Nuevo León, Monterrey, Nuevo León, México
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3
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Sadhewa A, Panggalo LV, Nanine I, Price RN, Thriemer K, Satyagraha AW, Ley B. Field evaluation of a novel semi-quantitative point-of-care diagnostic for G6PD deficiency in Indonesia. PLoS One 2024; 19:e0301506. [PMID: 38687748 PMCID: PMC11060553 DOI: 10.1371/journal.pone.0301506] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2023] [Accepted: 03/17/2024] [Indexed: 05/02/2024] Open
Abstract
BACKGROUND The WHO recommends routine testing of G6PD activity to guide radical cure in patients with Plasmodium vivax malaria. Females may have intermediate G6PD enzyme activity and to date, only complex diagnostics are able to reliably identify them. The semi-quantitative G6PD diagnostic "One Step G6PD Test" (Humasis, RoK; "RDT") is a lateral flow assay that can distinguish deficient, intermediate, and normal G6PD status and offers a simpler diagnostic alternative. METHODS G6PD status of participants enrolled in Malinau and Nunukan Regencies and the capital Jakarta was assessed with the RDT, and G6PD activity was measured in duplicate by reference spectrophotometry. The adjusted male median (AMM) of the spectrophotometry measurements was defined as 100% activity; 70% and 30% of the AMM were defined as thresholds for intermediate and deficient G6PD status, respectively. Results were compared to those derived from spectrophotometry at the clinically relevant G6PD activity thresholds of 30% and 70%. RESULTS Of the 161 participants enrolled, 10 (6.2%) were G6PD deficient and 12 (7.5%) had intermediate G6PD activity by spectrophotometry. At the 30% threshold, the sensitivity of the RDT was 10.0% (95%CI: 0.3-44.5%) with a specificity of 99.3% (95%CI: 96.4-100.0%); the positive predictive value was 50.0% (95%CI: 1.3-98.7%) and the negative predictive value 94.3% (95%CI: 89.5-97.4%). The corresponding figures at the 70% threshold were 22.7% (95%CI: 7.8-45.4%), 100.0% (95%CI: 97.4-100.0%), 100.0% (95%CI: 47.8-100.0%) and 89.1% (95%CI: 83.1-93.5%), respectively. CONCLUSION While there is a dire need for an easy-to-use, economical, semi-quantitative diagnostic for the point of care, the observed performance of the "One Step G6PD Test" in its current form was insufficient to guide antimalarial treatment.
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Affiliation(s)
- Arkasha Sadhewa
- Global and Tropical Health Division, Menzies School of Health Research and Charles Darwin University, Darwin, Northern Territory, Australia
| | | | | | - Ric N. Price
- Global and Tropical Health Division, Menzies School of Health Research and Charles Darwin University, Darwin, Northern Territory, Australia
- Mahidol-Oxford Tropical Medicine Research Unit (MORU), Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand
- Centre for Tropical Medicine and Global Health, Nuffield Department of Clinical Medicine, University of Oxford, Oxford, United Kingdom
| | - Kamala Thriemer
- Global and Tropical Health Division, Menzies School of Health Research and Charles Darwin University, Darwin, Northern Territory, Australia
| | - Ari W. Satyagraha
- Eijkman Research Center for Molecular Biology, National Research and Innovation Agency, Cibinong, Indonesia
| | - Benedikt Ley
- Global and Tropical Health Division, Menzies School of Health Research and Charles Darwin University, Darwin, Northern Territory, Australia
- Division of Education, Menzies School of Health Research and Charles Darwin University, Darwin, Northern Territory, Australia
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4
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Xu W, Nian W. A rare adverse effects of COVID-19 vaccine in a patient with a latent tumor: A case report and literature review. Front Oncol 2023; 13:1269735. [PMID: 38115902 PMCID: PMC10728639 DOI: 10.3389/fonc.2023.1269735] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2023] [Accepted: 11/16/2023] [Indexed: 12/21/2023] Open
Abstract
The 2019 novel coronavirus infection has done significant damage to the world. The effectiveness and safety of the vaccine, the most critical measure to control the epidemic, has attracted attention. In this case, we report the diagnosis and treatment of a rare patient with adverse effects of the COVID-19 vaccine who had G6PD deficiency by genetic tests. We discuss the possible impact of G6PD deficiency on COVID-19 infection and potential vaccine adverse effects. Patients with severe G6PD deficiency should be monitored for vaccine safety. This article may complement a rare mechanism of vaccine side effects and chemotherapy-related side effects.
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Affiliation(s)
| | - Weiqi Nian
- Department of Oncology, Chongqing Hospital of Traditional Chinese Medicine, Chongqing, China
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5
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Healton SE, Lawrence DG, Elkins NJ, Schwartz L, Hametz PA. New-Onset Jaundice in an 11-month-old Boy. Pediatr Rev 2023; 44:706-709. [PMID: 38036439 DOI: 10.1542/pir.2021-005158] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/02/2023]
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Lakra R, Grewal US, Ramadas P. Testing for Glucose-6-Phosphate Dehydrogenase Deficiency Before Rasburicase Use for Tumor Lysis Syndrome. Am J Ther 2023; 30:e465-e467. [PMID: 37713696 DOI: 10.1097/mjt.0000000000001597] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Affiliation(s)
- Rachaita Lakra
- Department of Internal Medicine, Louisiana State University Health Sciences Center, Shreveport, LA
| | - Udhayvir Singh Grewal
- Department of Internal Medicine, Louisiana State University Health Sciences Center, Shreveport, LA
| | - Poornima Ramadas
- Department of Hematology and Oncology, Louisiana State University Health Sciences Center, Shreveport, LA
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7
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Hernández-Ochoa B, Ortega-Cuellar D, González-Valdez A, Martínez-Rosas V, Morales-Luna L, Rojas-Alarcón MA, Vázquez-Bautista M, Arreguin-Espinosa R, Pérez de la Cruz V, Castillo-Rodríguez RA, Canseco-Ávila LM, Vidal-Limón A, Gómez-Manzo S. An Overall View of the Functional and Structural Characterization of Glucose-6-Phosphate Dehydrogenase Variants in the Mexican Population. Int J Mol Sci 2023; 24:12691. [PMID: 37628871 PMCID: PMC10454679 DOI: 10.3390/ijms241612691] [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: 06/30/2023] [Revised: 08/05/2023] [Accepted: 08/10/2023] [Indexed: 08/27/2023] Open
Abstract
Glucose-6-phosphate dehydrogenase (G6PD) deficiency, affecting an estimated 500 million people worldwide, is a genetic disorder that causes human enzymopathies. Biochemical and genetic studies have identified several variants that produce different ranges of phenotypes; thus, depending on its severity, this enzymopathy is classified from the mildest (Class IV) to the most severe (Class I). Therefore, understanding the correlation between the mutation sites of G6PD and the resulting phenotype greatly enhances the current knowledge of enzymopathies' phenotypic and genotypic heterogeneity, which will assist both clinical diagnoses and personalized treatments for patients with G6PD deficiency. In this review, we analyzed and compared the structural and functional data from 21 characterized G6PD variants found in the Mexican population that we previously characterized. In order to contribute to the knowledge regarding the function and structure of the variants associated with G6PD deficiency, this review aimed to determine the molecular basis of G6PD and identify how these mutations could impact the structure, stability, and function of the enzyme and its relation with the clinical manifestations of this disease.
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Affiliation(s)
- Beatriz Hernández-Ochoa
- Laboratorio de Inmunoquímica, Hospital Infantil de México Federico Gómez, Secretaría de Salud, Mexico City 06720, Mexico;
| | - Daniel Ortega-Cuellar
- Laboratorio de Nutrición Experimental, Instituto Nacional de Pediatría, Secretaría de Salud, Mexico City 04530, Mexico;
| | - Abigail González-Valdez
- Departamento de Biología Molecular y Biotecnología, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, Mexico City 04510, Mexico;
| | - Víctor Martínez-Rosas
- Laboratorio de Bioquímica Genética, Instituto Nacional de Pediatría, Secretaría de Salud, Mexico City 04530, Mexico; (V.M.-R.); (L.M.-L.); (M.A.R.-A.); (M.V.-B.)
- Programa de Posgrado en Biomedicina y Biotecnología Molecular, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Mexico City 11340, Mexico
| | - Laura Morales-Luna
- Laboratorio de Bioquímica Genética, Instituto Nacional de Pediatría, Secretaría de Salud, Mexico City 04530, Mexico; (V.M.-R.); (L.M.-L.); (M.A.R.-A.); (M.V.-B.)
- Posgrado en Ciencias Biológicas, Universidad Nacional Autónoma de México, Mexico City 04510, Mexico
| | - Miriam Abigail Rojas-Alarcón
- Laboratorio de Bioquímica Genética, Instituto Nacional de Pediatría, Secretaría de Salud, Mexico City 04530, Mexico; (V.M.-R.); (L.M.-L.); (M.A.R.-A.); (M.V.-B.)
- Programa de Posgrado en Biomedicina y Biotecnología Molecular, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Mexico City 11340, Mexico
| | - Montserrat Vázquez-Bautista
- Laboratorio de Bioquímica Genética, Instituto Nacional de Pediatría, Secretaría de Salud, Mexico City 04530, Mexico; (V.M.-R.); (L.M.-L.); (M.A.R.-A.); (M.V.-B.)
- Programa de Posgrado en Biomedicina y Biotecnología Molecular, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Mexico City 11340, Mexico
| | - Roberto Arreguin-Espinosa
- Departamento de Química de Biomacromoléculas, Instituto de Química, Universidad Nacional Autónoma de México, Mexico City 04510, Mexico;
| | - Verónica Pérez de la Cruz
- Neurobiochemistry and Behavior Laboratory, National Institute of Neurology and Neurosurgery “Manuel Velasco Suárez”, Mexico City 14269, Mexico;
| | | | - Luis Miguel Canseco-Ávila
- Facultad de Ciencias Químicas, Campus IV, Universidad Autónoma de Chiapas, Tapachula City 30580, Mexico;
| | - Abraham Vidal-Limón
- Red de Estudios Moleculares Avanzados, Clúster Científico y Tecnológico BioMimic®, Instituto de Ecología A.C. (INECOL), Carretera Antigua a Coatepec 351, El Haya, Xalapa 91073, Mexico;
| | - Saúl Gómez-Manzo
- Laboratorio de Bioquímica Genética, Instituto Nacional de Pediatría, Secretaría de Salud, Mexico City 04530, Mexico; (V.M.-R.); (L.M.-L.); (M.A.R.-A.); (M.V.-B.)
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Helegbe GK, Wemakor A, Ameade EPK, Anabire NG, Anaba F, Bautista JM, Zorn BG. Co-Occurrence of G6PD Deficiency and SCT among Pregnant Women Exposed to Infectious Diseases. J Clin Med 2023; 12:5085. [PMID: 37568487 PMCID: PMC10419962 DOI: 10.3390/jcm12155085] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2023] [Revised: 04/20/2023] [Accepted: 05/11/2023] [Indexed: 08/13/2023] Open
Abstract
During pregnancy, women have an increased relative risk of exposure to infectious diseases. This study was designed to assess the prevalence of the co-occurrence of glucose-6-phosphate dehydrogenase deficiency (G6PDd) and sickle cell trait (SCT) and the impact on anemia outcomes among pregnant women exposed to frequent infectious diseases. Over a six-year period (March 2013 to October 2019), 8473 pregnant women attending antenatal clinics (ANCs) at major referral hospitals in Northern Ghana were recruited and diagnosed for common infectious diseases (malaria, syphilis, hepatitis B, and HIV), G6PDd, and SCT. The prevalence of all the infections and anemia did not differ between women with and without G6PDd (χ2 < 3.6, p > 0.05 for all comparisons). Regression analysis revealed a significantly higher proportion of SCT in pregnant women with G6PDd than those without G6PDd (AOR = 1.58; p < 0.011). The interaction between malaria and SCT was observed to be associated with anemia outcomes among the G6PDd women (F-statistic = 10.9, p < 0.001). Our findings show that anemia is a common condition among G6PDd women attending ANCs in northern Ghana, and its outcome is impacted by malaria and SCT. This warrants further studies to understand the impact of antimalarial treatment and the blood transfusion outcomes in G6PDd/SCT pregnant women.
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Affiliation(s)
- Gideon Kofi Helegbe
- Department of Biochemistry and Molecular Medicine, School of Medicine, University for Development Studies, Tamale P.O. Box TL 1883, Ghana;
- West African Centre for Cell Biology of Infectious Pathogens (WACCBIP), Department of Biochemistry, Cell, and Molecular Biology, University of Ghana, Legon, Accra P.O. Box LG 54, Ghana
| | - Anthony Wemakor
- Department of Nutritional Sciences, School of Allied Health Sciences, University for Development Studies, Tamale P.O. Box TL 1883, Ghana
| | - Evans Paul Kwame Ameade
- Department of Pharmacognosy and Herbal Medicine, School of Pharmacy and Pharmaceutical Sciences, University for Development Studies, Tamale P.O. Box TL 1883, Ghana
| | - Nsoh Godwin Anabire
- Department of Biochemistry and Molecular Medicine, School of Medicine, University for Development Studies, Tamale P.O. Box TL 1883, Ghana;
- West African Centre for Cell Biology of Infectious Pathogens (WACCBIP), Department of Biochemistry, Cell, and Molecular Biology, University of Ghana, Legon, Accra P.O. Box LG 54, Ghana
| | - Frank Anaba
- Department of Biochemistry and Molecular Biology, Faculty of Biosciences, University for Development Studies, Nyankpala P.O. Box TL 1883, Ghana
| | - Jose M. Bautista
- Department of Biochemistry and Molecular Biology, Complutense University of Madrid, Ciudad Universitaria, 28040 Madrid, Spain;
| | - Bruno Gonzalez Zorn
- Department of Animal Health, Complutense University of Madrid, Ciudad Universitaria, 28040 Madrid, Spain
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9
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TeSlaa T, Ralser M, Fan J, Rabinowitz JD. The pentose phosphate pathway in health and disease. Nat Metab 2023; 5:1275-1289. [PMID: 37612403 DOI: 10.1038/s42255-023-00863-2] [Citation(s) in RCA: 35] [Impact Index Per Article: 35.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/03/2022] [Accepted: 07/12/2023] [Indexed: 08/25/2023]
Abstract
The pentose phosphate pathway (PPP) is a glucose-oxidizing pathway that runs in parallel to upper glycolysis to produce ribose 5-phosphate and nicotinamide adenine dinucleotide phosphate (NADPH). Ribose 5-phosphate is used for nucleotide synthesis, while NADPH is involved in redox homoeostasis as well as in promoting biosynthetic processes, such as the synthesis of tetrahydrofolate, deoxyribonucleotides, proline, fatty acids and cholesterol. Through NADPH, the PPP plays a critical role in suppressing oxidative stress, including in certain cancers, in which PPP inhibition may be therapeutically useful. Conversely, PPP-derived NADPH also supports purposeful cellular generation of reactive oxygen species (ROS) and reactive nitrogen species (RNS) for signalling and pathogen killing. Genetic deficiencies in the PPP occur relatively commonly in the committed pathway enzyme glucose-6-phosphate dehydrogenase (G6PD). G6PD deficiency typically manifests as haemolytic anaemia due to red cell oxidative damage but, in severe cases, also results in infections due to lack of leucocyte oxidative burst, highlighting the dual redox roles of the pathway in free radical production and detoxification. This Review discusses the PPP in mammals, covering its roles in biochemistry, physiology and disease.
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Affiliation(s)
- Tara TeSlaa
- Department of Molecular and Medical Pharmacology, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, USA.
| | - Markus Ralser
- Department of Biochemistry, Charité Universitätsmedizin, Berlin, Germany
- The Wellcome Centre for Human Genetics, Nuffield Department of Medicine, University of Oxford, Oxford, UK
- Max Planck Institute for Molecular Genetics, Berlin, Germany
| | - Jing Fan
- Morgride Institute for Research, Madison, WI, USA
- Department of Nutritional Sciences, University of Wisconsin-Madison, Madison, WI, USA
| | - Joshua D Rabinowitz
- Lewis Sigler Institute for Integrative Genomics, Princeton University, Princeton, NJ, USA.
- Department of Chemistry, Princeton University, Princeton, NJ, USA.
- Ludwig Institute for Cancer Research, Princeton Branch, Princeton, NJ, USA.
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10
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Osborne A, Phelan JE, Vanheer LN, Manjurano A, Gitaka J, Drakeley CJ, Kaneko A, Kita K, Campino S, Clark TG. High throughput human genotyping for variants associated with malarial disease outcomes using custom targeted amplicon sequencing. Sci Rep 2023; 13:12062. [PMID: 37495620 PMCID: PMC10371994 DOI: 10.1038/s41598-023-39233-z] [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: 01/04/2023] [Accepted: 07/21/2023] [Indexed: 07/28/2023] Open
Abstract
Malaria has exhibited the strongest known selective pressure on the human genome in recent history and is the evolutionary driving force behind genetic conditions, such as sickle-cell disease, glucose-6-phosphatase deficiency, and some other erythrocyte defects. Genomic studies (e.g., The 1000 Genomes project) have provided an invaluable baseline for human genetics, but with an estimated two thousand ethno-linguistic groups thought to exist across the African continent, our understanding of the genetic differences between indigenous populations and their implications on disease is still limited. Low-cost sequencing-based approaches make it possible to target specific molecular markers and genes of interest, leading to potential insights into genetic diversity. Here we demonstrate the versatility of custom dual-indexing technology and Illumina next generation sequencing to generate a genetic profile of human polymorphisms associated with malaria pathology. For 100 individuals diagnosed with severe malaria in Northeast Tanzania, variants were successfully characterised on the haemoglobin subunit beta (HBB), glucose-6-phosphate dehydrogenase (G6PD), atypical chemokine receptor 1 (ACKR1) genes, and the intergenic Dantu genetic blood variant, then validated using pre-existing genotyping data. High sequencing coverage was observed across all amplicon targets in HBB, G6PD, ACKR1, and the Dantu blood group, with variants identified at frequencies previously observed within this region of Tanzania. Sequencing data exhibited high concordance rates to pre-existing genotyping data (> 99.5%). Our work demonstrates the potential utility of amplicon sequencing for applications in human genetics, including to personalise medicine and understand the genetic diversity of loci linked to important host phenotypes, such as malaria susceptibility.
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Affiliation(s)
- Ashley Osborne
- Faculty of Infectious and Tropical Diseases, London School of Hygiene & Tropical Medicine, London, UK
- School of Tropical Medicine and Global Health, Nagasaki University, Nagasaki, Japan
| | - Jody E Phelan
- Faculty of Infectious and Tropical Diseases, London School of Hygiene & Tropical Medicine, London, UK
| | - Leen N Vanheer
- Faculty of Infectious and Tropical Diseases, London School of Hygiene & Tropical Medicine, London, UK
| | - Alphaxard Manjurano
- Mwanza Medical Research Centre, National Institute for Medical Research, Mwanza, Tanzania
- Joint Malaria Program, Kilimanjaro Christian Medical Centre, Moshi, Tanzania
| | - Jesse Gitaka
- Directorate of Research and Innovation, Mount Kenya University, Thika, Kenya
- Centre for Malaria Elimination, Mount Kenya University, Thika, Kenya
| | - Christopher J Drakeley
- Faculty of Infectious and Tropical Diseases, London School of Hygiene & Tropical Medicine, London, UK
| | - Akira Kaneko
- Department of Parasitology, Graduate School of Medicine, Osaka Metropolitan University, Osaka, Japan
- Department of Microbiology, Tumor and Cell Biology, Karolinska Institutet, Stockholm, Sweden
| | - Kiyoshi Kita
- School of Tropical Medicine and Global Health, Nagasaki University, Nagasaki, Japan
| | - Susana Campino
- Faculty of Infectious and Tropical Diseases, London School of Hygiene & Tropical Medicine, London, UK.
- Department of Infection Biology, London School of Hygiene and Tropical Medicine, Keppel Street, London, WC1E 7HT, UK.
| | - Taane G Clark
- Faculty of Infectious and Tropical Diseases, London School of Hygiene & Tropical Medicine, London, UK.
- Faculty of Epidemiology and Population Health, London School of Hygiene & Tropical Medicine, London, UK.
- Department of Infection Biology, London School of Hygiene and Tropical Medicine, Keppel Street, London, WC1E 7HT, UK.
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11
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Riskin A, Bravdo Y, Habib C, Maor I, Mousa J, Shahbarat S, Shahak E, Shalata A. The Genetics of Glucose-6-Phosphate-Dehydrogenase (G6PD) and Uridine Diphosphate Glucuronosyl Transferase 1A1 (UGT1A1) Promoter Gene Polymorphism in Relation to Quantitative Biochemical G6PD Activity Measurement and Neonatal Hyperbilirubinemia. CHILDREN (BASEL, SWITZERLAND) 2023; 10:1172. [PMID: 37508669 PMCID: PMC10378156 DOI: 10.3390/children10071172] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/14/2023] [Revised: 07/03/2023] [Accepted: 07/04/2023] [Indexed: 07/30/2023]
Abstract
Glucose-6-phosphate dehydrogenase (G6PD) deficiency and polymorphism in uridine diphosphate glucuronosyl transferase 1A1 (UGT1A1) were associated with significant neonatal hyperbilirubinemia (NHB) and increased risk for kernicterus. However, quantitative screening tests for G6PD enzyme activity proved unsatisfactory in estimating the risk for significant NHB, especially in heterozygous females that could present phenotype overlap between normal homozygotes, heterozygotes, and deficient homozygotes, resulting in a continuum of intermediate G6PD activity. OBJECTIVE To examine the association of genotype and phenotype in newborns with decreased G6PD activity and its relation to NHB. STUDY DESIGN Quantitative G6PD enzyme activities were measured on umbilical cord blood samples. After accepting parental consent, samples were analyzed for G6PD mutations and UGT1A1 gene polymorphisms (number of TA repeats in the UGT1A1 promoter). The associations to quantitative G6PD activity and bilirubin levels were assessed. RESULTS 28 females and 27 males were studied. The Mediterranean mutation (NM_001360016.2(G6PD): c.563C>T (p.Ser188Phe)) was responsible for most cases of G6PD deficiency (20 hemizygous males, 3 homozygous and 16 heterozygous females). The association between this mutation, decreased G6PD activity and higher bilirubin levels was confirmed. Heterozygosity to 6/7 TA repeats in the UGT1A1 promoter was associated with increased NHB, especially in female newborns with G6PD deficiency. However, it seems that the interaction between G6PD deficiency, UGT1A1 promoter polymorphism, and NHB is more complex, possibly involving other genetic interactions, not yet described. Despite genotyping females with G6PD deficiency, the overlap between the upper range of borderline and the lower range of normal G6PD activity could not be resolved. CONCLUSIONS The results of this study highlight the possibility for future implementation of molecular genetic screening to identify infants at risk for significant NHB, especially UGT1A1 polymorphism in heterozygous females with borderline G6PD deficiency. However, further studies are needed before such screening could be applicable to daily practice.
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Affiliation(s)
- Arieh Riskin
- Department of Neonatology, Bnai Zion Medical Center, Ruth & Bruce Rappaport Faculty of Medicine, Technion, Israel Institute of Technology, Haifa 32000, Israel
| | - Yulia Bravdo
- Department of Pediatrics, Bnai Zion Medical Center, Ruth & Bruce Rappaport Faculty of Medicine, Technion, Israel Institute of Technology, Haifa 32000, Israel
| | - Clair Habib
- Department of Pediatrics, Bnai Zion Medical Center, Ruth & Bruce Rappaport Faculty of Medicine, Technion, Israel Institute of Technology, Haifa 32000, Israel
| | - Irit Maor
- Biochemistry Laboratory, Bnai Zion Medical Center, Ruth & Bruce Rappaport Faculty of Medicine, Technion, Israel Institute of Technology, Haifa 32000, Israel
| | - Julnar Mousa
- The Simon Winter Institute for Human Genetics, Bnai Zion Medical Center, Ruth & Bruce Rappaport Faculty of Medicine, Technion, Israel Institute of Technology, Haifa 32000, Israel
| | - Sizett Shahbarat
- The Simon Winter Institute for Human Genetics, Bnai Zion Medical Center, Ruth & Bruce Rappaport Faculty of Medicine, Technion, Israel Institute of Technology, Haifa 32000, Israel
| | - Elena Shahak
- The Simon Winter Institute for Human Genetics, Bnai Zion Medical Center, Ruth & Bruce Rappaport Faculty of Medicine, Technion, Israel Institute of Technology, Haifa 32000, Israel
| | - Adel Shalata
- The Simon Winter Institute for Human Genetics, Bnai Zion Medical Center, Ruth & Bruce Rappaport Faculty of Medicine, Technion, Israel Institute of Technology, Haifa 32000, Israel
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12
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Gammal RS, Pirmohamed M, Somogyi AA, Morris SA, Formea CM, Elchynski AL, Oshikoya KA, McLeod HL, Haidar CE, Whirl-Carrillo M, Klein TE, Caudle KE, Relling MV. Expanded Clinical Pharmacogenetics Implementation Consortium Guideline for Medication Use in the Context of G6PD Genotype. Clin Pharmacol Ther 2023; 113:973-985. [PMID: 36049896 PMCID: PMC10281211 DOI: 10.1002/cpt.2735] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2022] [Accepted: 08/26/2022] [Indexed: 11/06/2022]
Abstract
Glucose-6-phosphate dehydrogenase (G6PD) deficiency is associated with development of acute hemolytic anemia in the setting of oxidative stress, which can be caused by medication exposure. Regulatory agencies worldwide warn against the use of certain medications in persons with G6PD deficiency, but in many cases, this information is conflicting, and the clinical evidence is sparse. This guideline provides information on using G6PD genotype as part of the diagnosis of G6PD deficiency and classifies medications that have been previously implicated as unsafe in individuals with G6PD deficiency by one or more sources. We classify these medications as high, medium, or low to no risk based on a systematic review of the published evidence of the gene-drug associations and regulatory warnings. In patients with G6PD deficiency, high-risk medications should be avoided, medium-risk medications should be used with caution, and low-to-no risk medications can be used with standard precautions, without regard to G6PD phenotype. This new document replaces the prior Clinical Pharmacogenetics Implementation Consortium guideline for rasburicase therapy in the context of G6PD genotype (updates at: www.cpicpgx.org).
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Affiliation(s)
- Roseann S. Gammal
- Department of Pharmacy Practice, Massachusetts College of Pharmacy and Health Sciences, Boston, MA, USA
- Department of Pharmacy and Pharmaceutical Sciences, St. Jude Children’s Research Hospital, Memphis, TN, USA
| | - Munir Pirmohamed
- MRC Centre for Drug Safety Science, Department of Pharmacology and Therapeutics, Institute of Systems, Molecular and Integrative Biology, University of Liverpool, Liverpool, United Kingdom
| | - Andrew A. Somogyi
- Discipline of Pharmacology, School of Biomedicine, Faculty of Health and Medical Sciences, University of Adelaide, Adelaide, Australia
| | - Sarah A. Morris
- Department of Pharmacy and Pharmaceutical Sciences, St. Jude Children’s Research Hospital, Memphis, TN, USA
- Department of Cancer Pharmacology and Pharmacogenomics, Levine Cancer Institute, Atrium Health, Charlotte, NC, USA
| | - Christine M. Formea
- Department of Pharmacy and Intermountain Precision Genomics, Intermountain Healthcare, Salt Lake City, UT, USA
| | | | - Kazeem A. Oshikoya
- Department of Pharmacology, Therapeutics and Toxicology, College of Medicine, Lagos State University, Ikeja, Lagos, Nigeria
| | - Howard L. McLeod
- Intermountain Precision Genomics, Intermountain Healthcare, St George, UT, USA
| | - Cyrine E. Haidar
- Department of Pharmacy and Pharmaceutical Sciences, St. Jude Children’s Research Hospital, Memphis, TN, USA
| | | | - Teri E. Klein
- Department of Biomedical Data Science, Stanford University, Stanford, CA, USA
| | - Kelly E. Caudle
- Department of Pharmacy and Pharmaceutical Sciences, St. Jude Children’s Research Hospital, Memphis, TN, USA
| | - Mary V. Relling
- Department of Pharmacy and Pharmaceutical Sciences, St. Jude Children’s Research Hospital, Memphis, TN, USA
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13
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Sadhewa A, Cassidy-Seyoum S, Acharya S, Devine A, Price RN, Mwaura M, Thriemer K, Ley B. A Review of the Current Status of G6PD Deficiency Testing to Guide Radical Cure Treatment for Vivax Malaria. Pathogens 2023; 12:pathogens12050650. [PMID: 37242320 DOI: 10.3390/pathogens12050650] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Revised: 04/21/2023] [Accepted: 04/24/2023] [Indexed: 05/28/2023] Open
Abstract
Plasmodium vivax malaria continues to cause a significant burden of disease in the Asia-Pacific, the Horn of Africa, and the Americas. In addition to schizontocidal treatment, the 8-aminoquinoline drugs are crucial for the complete removal of the parasite from the human host (radical cure). While well tolerated in most recipients, 8-aminoquinolines can cause severe haemolysis in glucose-6-phosphate dehydrogenase (G6PD) deficient patients. G6PD deficiency is one of the most common enzymopathies worldwide; therefore, the WHO recommends routine testing to guide 8-aminoquinoline based treatment for vivax malaria whenever possible. In practice, this is not yet implemented in most malaria endemic countries. This review provides an update of the characteristics of the most used G6PD diagnostics. We describe the current state of policy and implementation of routine point-of-care G6PD testing in malaria endemic countries and highlight key knowledge gaps that hinder broader implementation. Identified challenges include optimal training of health facility staff on point-of-care diagnostics, quality control of novel G6PD diagnostics, and culturally appropriate information and communication with affected communities around G6PD deficiency and implications for treatment.
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Affiliation(s)
- Arkasha Sadhewa
- Global and Tropical Health Division, Menzies School of Health Research and Charles Darwin University, Darwin 0810, Australia
| | - Sarah Cassidy-Seyoum
- Global and Tropical Health Division, Menzies School of Health Research and Charles Darwin University, Darwin 0810, Australia
| | - Sanjaya Acharya
- Global and Tropical Health Division, Menzies School of Health Research and Charles Darwin University, Darwin 0810, Australia
| | - Angela Devine
- Global and Tropical Health Division, Menzies School of Health Research and Charles Darwin University, Darwin 0810, Australia
- Centre for Epidemiology and Biostatistics, Melbourne School of Population and Global Health, University of Melbourne, Melbourne 3010, Australia
- Centre for Health Policy, Melbourne School of Population and Global Health, University of Melbourne, Melbourne 3010, Australia
| | - Ric N Price
- Global and Tropical Health Division, Menzies School of Health Research and Charles Darwin University, Darwin 0810, Australia
- Mahidol-Oxford Tropical Medicine Research Unit (MORU), Faculty of Tropical Medicine, Mahidol University, Bangkok 10400, Thailand
- Centre for Tropical Medicine and Global Health, Nuffield Department of Clinical Medicine, University of Oxford, Oxford OX1 2JD, UK
| | - Muthoni Mwaura
- Global and Tropical Health Division, Menzies School of Health Research and Charles Darwin University, Darwin 0810, Australia
| | - Kamala Thriemer
- Global and Tropical Health Division, Menzies School of Health Research and Charles Darwin University, Darwin 0810, Australia
| | - Benedikt Ley
- Global and Tropical Health Division, Menzies School of Health Research and Charles Darwin University, Darwin 0810, Australia
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14
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A mechanistic analysis of henna in G6PD deficiency patients. TOXICOLOGIE ANALYTIQUE ET CLINIQUE 2023. [DOI: 10.1016/j.toxac.2022.09.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/22/2023]
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15
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Zeng X, Wang YP, Man CH. Metabolism in Hematopoiesis and Its Malignancy. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2023; 1442:45-64. [PMID: 38228958 DOI: 10.1007/978-981-99-7471-9_4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/18/2024]
Abstract
Hematopoietic stem cells (HSCs) are multipotent stem cells that can self-renew and generate all blood cells of different lineages. The system is under tight control in order to maintain a precise equilibrium of the HSC pool and the effective production of mature blood cells to support various biological activities. Cell metabolism can regulate different molecular activities, such as epigenetic modification and cell cycle regulation, and subsequently affects the function and maintenance of HSC. Upon malignant transformation, oncogenic drivers in malignant hematopoietic cells can remodel the metabolic pathways for supporting the oncogenic growth. The dysregulation of metabolism results in oncogene addiction, implying the development of malignancy-specific metabolism-targeted therapy. In this chapter, we will discuss the significance of different metabolic pathways in hematopoiesis, specifically, the distinctive metabolic dependency in hematopoietic malignancies and potential metabolic therapy.
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Affiliation(s)
- Xiaoyuan Zeng
- Division of Haematology, Department of Medicine, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong SAR, China
| | - Yi-Ping Wang
- Precision Research Center for Refractory Diseases, Institute for Clinical Research, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
| | - Cheuk-Him Man
- Division of Haematology, Department of Medicine, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong SAR, China.
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16
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Dinarelli S, Longo G, Germanova-Taneva S, Todinova S, Krumova S, Girasole M. Surprising Structural and Functional Properties of Favism Erythrocytes Are Linked to Special Metabolic Regulation: A Cell Aging Study. Int J Mol Sci 2022; 24:ijms24010637. [PMID: 36614084 PMCID: PMC9820584 DOI: 10.3390/ijms24010637] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Revised: 12/22/2022] [Accepted: 12/25/2022] [Indexed: 12/31/2022] Open
Abstract
Favism uniquely arises from a genetic defect of the Glucose-6 Phosphate Dehydrogenase (G6PD) enzyme and results in a severe reduction of erythrocytes' (RBCs) reducing power that impairs the cells' ability to respond to oxidative stresses. After exposure to fava beans or a few other drugs, the patients experience acute hemolytic anemia due to RBCs' lysis both intra and extra-vascularly. In the present paper, we compared selected biochemical, biophysical, and ultra-morphological properties of normal RBCs and cells from favism patients measured along cellular aging. Along the aging path, the cells' characteristics change, and their structural and functional properties degrade for both samples, but with different patterns and effectors that have been characterized in biophysical and biochemical terms. In particular, the analysis revealed distinct metabolic regulation in G6DP-deficient cells that determines important peculiarities in the cell properties during aging. Remarkably, the initial higher fragility and occurrence of structural/morphological alterations of favism cells develop, with longer aging times, into a stronger resistance to external stresses and higher general resilience. This surprisingly higher endurance against cell aging has been related to a special mechanism of metabolic regulation that permits lower energy consumption in environmental stress conditions. Our results provided a direct and coherent link between the RBCs' metabolic regulation and the cell properties that would not have been possible to establish without an investigation performed during aging. The consequences of this new knowledge, in particular, can be discussed in a more general context, such as understanding the role of the present findings in determining the characteristics of the favism pathology as a whole.
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Affiliation(s)
- Simone Dinarelli
- Italian National Research Council (CNR), Institute for the Structure of the Matter (ISM), Via fosso del Cavaliere 100, 00133 Rome, Italy
| | - Giovanni Longo
- Italian National Research Council (CNR), Institute for the Structure of the Matter (ISM), Via fosso del Cavaliere 100, 00133 Rome, Italy
| | - Stefka Germanova-Taneva
- Bulgarian Academy of Sciences (BAS), Institute of Biophysics and Biomedical Engineering, G. Bonchev Str. 21, 1113 Sofia, Bulgaria
| | - Svetla Todinova
- Bulgarian Academy of Sciences (BAS), Institute of Biophysics and Biomedical Engineering, G. Bonchev Str. 21, 1113 Sofia, Bulgaria
| | - Sashka Krumova
- Bulgarian Academy of Sciences (BAS), Institute of Biophysics and Biomedical Engineering, G. Bonchev Str. 21, 1113 Sofia, Bulgaria
| | - Marco Girasole
- Italian National Research Council (CNR), Institute for the Structure of the Matter (ISM), Via fosso del Cavaliere 100, 00133 Rome, Italy
- Correspondence:
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17
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Sun B, Li Q, Dong X, Hou J, Wang W, Ying W, Hui X, Zhou Q, Yao H, Sun J, Wang X. Severe G6PD deficiency leads to recurrent infections and defects in ROS production: Case report and literature review. Front Genet 2022; 13:1035673. [PMID: 36353116 PMCID: PMC9638399 DOI: 10.3389/fgene.2022.1035673] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2022] [Accepted: 10/06/2022] [Indexed: 11/13/2022] Open
Abstract
Purpose: Severe glucose-6-phosphate dehydrogenase (G6PD) deficiency can lead to reduced nicotinamide adenine dinucleotide phosphate oxidase activity in phagocytes, resulting in immunodeficiency, with a limited number of reported cases. Here, we aimed to report a child with severe G6PD deficiency in China and investigate the mechanism of his recurrent infections. Methods: The clinical manifestations and immunological phenotypes of this patient were retrospectively collected. Gene mutation was detected by whole-exome sequencing and confirmed by Sanger sequencing. Dihydrorhodamine (DHR) analysis was performed to measure the respiratory burst of neutrophils. Messenger ribonucleic acid and protein levels were detected in the patient under lipopolysaccharide stimulation by real-time quantitative reverse transcription polymerase chain reaction and Western blot. A review of the literature was performed. Results: A male child with G6PD deficiency presented with recurrent respiratory infections, Epstein‒Barr virus infection and tonsillitis from 8 months of age. Gene testing revealed that the proband had one hemizygous mutation in the G6PD gene (c.496 C>T, p. R166C), inherited from his mother. This mutation might affect hydrophobic binding, and the G6PD enzyme activity of the patient was 0. The stimulation indexes of the neutrophils in the patient and mother were 22 and 37, respectively. Compared with healthy controls, decreased reactive oxygen species (ROS) production was observed in the patient. Activation of nuclear factor kappa-B (NF-κB) signaling was found to be influenced, and the synthesis of tumor necrosis factor alpha (TNF-α) was downregulated in the patient-derived cells. In neutrophils of his mother, 74.71% of the X chromosome carrying the mutated gene was inactivated. By performing a systematic literature review, an additional 15 patients with severe G6PD deficiency and recurrent infections were identified. Four other G6PD gene mutations have been reported, including c.1157T>A, c.180_182del, c.514C>T, and c.953_976del. Conclusion: Severe G6PD deficiency, not only class I but also class II, can contribute to a chronic granulomatous disease-like phenotype. Decreased reactive oxygen species synthesis led to decreased activation of the NF-κB pathway in G6PD-deficient patients. Children with severe G6PD deficiency should be aware of immunodeficiency disease, and the DHR assay is recommended to evaluate neutrophil function for early identification.
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Affiliation(s)
- Bijun Sun
- Department of Clinical Immunology, Children’s Hospital of Fudan University, Shanghai, China
| | - Qifan Li
- Department of Clinical Immunology, Children’s Hospital of Fudan University, Shanghai, China
| | - Xiaolong Dong
- Department of Clinical Immunology, Children’s Hospital of Fudan University, Shanghai, China
| | - Jia Hou
- Department of Clinical Immunology, Children’s Hospital of Fudan University, Shanghai, China
| | - Wenjie Wang
- Department of Clinical Immunology, Children’s Hospital of Fudan University, Shanghai, China
| | - Wenjing Ying
- Department of Clinical Immunology, Children’s Hospital of Fudan University, Shanghai, China
| | - Xiaoying Hui
- Department of Clinical Immunology, Children’s Hospital of Fudan University, Shanghai, China
| | - Qinhua Zhou
- Department of Clinical Immunology, Children’s Hospital of Fudan University, Shanghai, China
| | - Haili Yao
- Department of Clinical Immunology, Children’s Hospital of Fudan University, Shanghai, China
| | - Jinqiao Sun
- Department of Clinical Immunology, Children’s Hospital of Fudan University, Shanghai, China
- *Correspondence: Jinqiao Sun, ; Xiaochuan Wang,
| | - Xiaochuan Wang
- Department of Clinical Immunology, Children’s Hospital of Fudan University, Shanghai, China
- Shanghai Institute of Infectious Disease and Biosecurity, Shanghai, China
- *Correspondence: Jinqiao Sun, ; Xiaochuan Wang,
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18
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Shen S, Xiong Q, Cai W, Hu R, Zhou B, Hu X. Molecular heterogeneity of glucose-6-phosphate dehydrogenase deficiency in neonates in Wuhan: Description of four novel variants. Front Genet 2022; 13:994015. [PMID: 36212142 PMCID: PMC9533060 DOI: 10.3389/fgene.2022.994015] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2022] [Accepted: 08/22/2022] [Indexed: 11/13/2022] Open
Abstract
Glucose-6-phosphate dehydrogenase (G6PD) deficiency is one of the most common X-linked enzymopathies caused by G6PD gene variant. The aim of this study was to investigate the molecular epidemiological characteristic of the G6PD deficiency among newborn screening population in Wuhan region. A total of 430,806 healthy neonates in Wuhan area of China were screened for G6PD deficiency from November 2016 to December 2021. The positive samples were further detected with gene analysis. Among the 957 neonates with abnormal G6PD enzyme activity, the prevalence of G6PD deficiency in Wuhan was calculated as 0.22%. 38 genotypes were found and the top 5 frequencies of G6PD gene variants were c.1388G > A, c.1376G > T, c.95A > G, c.1024C > T and c.871G > A. Seven rare single variants (c.25C > T, c.152C > T, c.406C > T, c.497G > A, c.679C > T, c.854G > A and c.1057C > T) and two rare multiple variants (IVS-5 637/638T del/c.1311C > T/1365-13T > C and c.406C > T/c.1311C > T/1365-13T > C) were discovered in this study. In addition, four novel variants (c.49C > T, c.691G > A, c.857A > T and c.982G > A) were detected out in our cohort, which have never been reported before. The result indicated that a rich diversity of G6PD genetic variants in Wuhan region, also had its own regional characteristic. Our data provided the basic knowledge for future prevention and research of G6PD deficiency and the findings will be useful for genetic counseling and prenatal diagnosis of G6PD deficiency in the Wuhan region.
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19
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Demery-Poulos C, Chambers JM. Identification, conservation, and expression of tiered pharmacogenes in zebrafish. PLoS One 2022; 17:e0273582. [PMID: 36040978 PMCID: PMC9426904 DOI: 10.1371/journal.pone.0273582] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2022] [Accepted: 08/10/2022] [Indexed: 11/26/2022] Open
Abstract
The number of adverse drug events in the United States is critically high, with annual rates exceeding 1 million cases over the last nine years. One cause of adverse drug events is the underlying genetic variation that can alter drug responses. Pharmacogenomics is a growing field that seeks to better understand the relationship between a patient’s genetics and drug efficacy. Currently, pharmacogenomics relies largely on human trials, as there is not a well-developed animal model for studying preventative measures and alternative treatments. Here, we analyzed pharmacogene expression at two developmental time points in zebrafish to demonstrate the potential of using this model organism for high-throughput pharmacogenomics research. We found that 76% of tiered human pharmacogenes have a zebrafish ortholog, and of these, many have highly conserved amino acid sequences. Additional gene ontology analysis was used to classify pharmacogenes and identify candidate pathways for future modeling in zebrafish. As precision medicine burgeons, adopting a high-throughput in vivo model such as the zebrafish could greatly increase our understanding of the molecular pathology underlying adverse drug events.
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Affiliation(s)
- Catherine Demery-Poulos
- Department of Pharmaceutical Sciences, College of Pharmacy, Natural and Health Sciences, Manchester University, Fort Wayne, Indiana, United States
| | - Joseph M. Chambers
- Department of Pharmaceutical Sciences, College of Pharmacy, Natural and Health Sciences, Manchester University, Fort Wayne, Indiana, United States
- * E-mail:
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20
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Bahk YY, Ahn SK, Jeon HJ, Na BK, Lee SK, Shin HJ. An Evaluation of a New Quantitative Point-of Care Diagnostic to Measure Glucose-6-phosphate Dehydrogenase Activity. THE KOREAN JOURNAL OF PARASITOLOGY 2022; 60:281-288. [PMID: 36041490 PMCID: PMC9441449 DOI: 10.3347/kjp.2022.60.4.281] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/24/2022] [Accepted: 07/27/2022] [Indexed: 11/23/2022]
Abstract
Malaria continues to be one of the most crucial infectious burdens in endemic areas worldwide, as well as for travelers visiting malaria transmission regions. It has been reported that 8-aminoquinolines are effective against the Plasmodium species, particularly primaquine, for anti-hypnozoite therapy in P. vivax malaria. However, primaquine causes acute hemolytic anemia in individuals with glucose-6-phosphate dehydrogenase (G6PD) deficiency. Therefore, G6PD deficiency testing should precede hypnozoite elimination with 8-aminoquinoline. Several point-of-care devices have been developed to detect G6PD deficiency. The aim of the present study was to evaluate the performance of a novel, quantitative G6PD diagnostics based on a metagenomic blue fluorescent protein (mBFP). We comparatively evaluated the sensitivity and specificity of the G6PD diagnostic modality with standard methods using 120 human whole blood samples. The G6PD deficiency was spectrophotometrically confirmed. The performance of the G6PD quantitative test kit was compared with that of a licensed control medical device, the G6PD strip. The G6PD quantitative test kit had a sensitivity of 95% (95% confidence interval (CI): 89.3–100%) and a specificity of 100% (95% CI: 94.3–100%). This study shows that the novel diagnostic G6PD quantitative test kit could be a cost-effective and time-efficient, and universally mandated screening tool for G6PD deficiency.
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Affiliation(s)
- Young Yil Bahk
- Department of Biotechnology, College of Biomedical and Health Science, Konkuk University, Chungju 27478, Korea
| | - Seong Kyu Ahn
- Infectious Diseases Investigation Division, Jeonnam Institute of Public Health and Environment, Muan 58568, Korea
| | - Heung Jin Jeon
- Infection Control Convergence Research Center, Chungnam National University College of Medicine, Deajeon 35015, Korea
| | - Byoung-Kuk Na
- Department of Parasitology and Tropical Medicine, Institute of Health Sciences, College of Medicine, Gyeongsang National University, Jinju 52727, Korea
| | - Sung-Keun Lee
- Department of Pharmacology, Inha University School of Medicine, Incheon 22212, Korea
- Corresponding authors (; )
| | - Ho-Joon Shin
- Department of Microbiology, Ajou University School of Medicine, Suwon 16499, Korea
- Corresponding authors (; )
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Yang Z, Chen H, Lu Y, Gao Y, Sun H, Wang J, Jin L, Chu J, Xu S. Genetic evidence of tri-genealogy hypothesis on the origin of ethnic minorities in Yunnan. BMC Biol 2022; 20:166. [PMID: 35864541 PMCID: PMC9306206 DOI: 10.1186/s12915-022-01367-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2021] [Accepted: 07/05/2022] [Indexed: 11/14/2022] Open
Abstract
BACKGROUND Yunnan is located in Southwest China and consists of great cultural, linguistic, and genetic diversity. However, the genomic diversity of ethnic minorities in Yunnan is largely under-investigated. To gain insights into population history and local adaptation of Yunnan minorities, we analyzed 242 whole-exome sequencing data with high coverage (~ 100-150 ×) of Yunnan minorities representing Achang, Jingpo, Dai, and Deang, who were linguistically assumed to be derived from three ancient lineages (the tri-genealogy hypothesis), i.e., Di-Qiang, Bai-Yue, and Bai-Pu. RESULTS Yunnan minorities show considerable genetic differences. Di-Qiang populations likely migrated from the Tibetan area about 6700 years ago. Genetic divergence between Bai-Yue and Di-Qiang was estimated to be 7000 years, and that between Bai-Yue and Bai-Pu was estimated to be 5500 years. Bai-Pu is relatively isolated, but gene flow from surrounding Di-Qiang and Bai-Yue populations was also found. Furthermore, we identified genetic variants that are differentiated within Yunnan minorities possibly due to the living circumstances and habits. Notably, we found that adaptive variants related to malaria and glucose metabolism suggest the adaptation to thalassemia and G6PD deficiency resulting from malaria resistance in the Dai population. CONCLUSIONS We provided genetic evidence of the tri-genealogy hypothesis as well as new insights into the genetic history and local adaptation of the Yunnan minorities.
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Affiliation(s)
- Zhaoqing Yang
- Department of Medical Genetics, Institute of Medical Biology, Chinese Academy of Medical Sciences, Kunming, 650118, China
| | - Hao Chen
- Key Laboratory of Computational Biology, Shanghai Institute of Nutrition and Health, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai, 200031, China
| | - Yan Lu
- State Key Laboratory of Genetic Engineering, Collaborative Innovation Center for Genetics and Development, Center for Evolutionary Biology, School of Life Sciences, Fudan University, Shanghai, 200438, China
| | - Yang Gao
- Human Phenome Institute, Zhangjiang Fudan International Innovation Center, and Ministry of Education Key Laboratory of Contemporary Anthropology, Fudan University, Shanghai, 201203, China
| | - Hao Sun
- Department of Medical Genetics, Institute of Medical Biology, Chinese Academy of Medical Sciences, Kunming, 650118, China
| | - Jiucun Wang
- State Key Laboratory of Genetic Engineering, Collaborative Innovation Center for Genetics and Development, Center for Evolutionary Biology, School of Life Sciences, Fudan University, Shanghai, 200438, China
- Human Phenome Institute, Zhangjiang Fudan International Innovation Center, and Ministry of Education Key Laboratory of Contemporary Anthropology, Fudan University, Shanghai, 201203, China
| | - Li Jin
- State Key Laboratory of Genetic Engineering, Collaborative Innovation Center for Genetics and Development, Center for Evolutionary Biology, School of Life Sciences, Fudan University, Shanghai, 200438, China
- Human Phenome Institute, Zhangjiang Fudan International Innovation Center, and Ministry of Education Key Laboratory of Contemporary Anthropology, Fudan University, Shanghai, 201203, China
| | - Jiayou Chu
- Department of Medical Genetics, Institute of Medical Biology, Chinese Academy of Medical Sciences, Kunming, 650118, China.
| | - Shuhua Xu
- State Key Laboratory of Genetic Engineering, Collaborative Innovation Center for Genetics and Development, Center for Evolutionary Biology, School of Life Sciences, Fudan University, Shanghai, 200438, China.
- Human Phenome Institute, Zhangjiang Fudan International Innovation Center, and Ministry of Education Key Laboratory of Contemporary Anthropology, Fudan University, Shanghai, 201203, China.
- Department of Liver Surgery and Transplantation Liver Cancer Institute, Zhongshan Hospital, Fudan University, Shanghai, 200032, China.
- Center for Excellence in Animal Evolution and Genetics, Chinese Academy of Sciences, Kunming, 650223, China.
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22
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Molecular Characterization and Genotype-Phenotype Correlation of G6PD Mutations in Five Ethnicities of Northern Vietnam. Anemia 2022; 2022:2653089. [PMID: 35845714 PMCID: PMC9277213 DOI: 10.1155/2022/2653089] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2022] [Accepted: 06/10/2022] [Indexed: 11/17/2022] Open
Abstract
Glucose-6-phosphate dehydrogenase (G6PD) deficiency is the most common enzyme disorder and is caused by G6PD gene mutations. To date, more than 400 variants in the G6PD gene have been discovered, and about 160 identified variants are associated with a significant decrease in the G6PD enzyme activity. However, the molecular characterization and epidemiological study of G6PD deficiency are still limited in Vietnam. Therefore, we conducted this study to determine the G6PD variants among the Vietnamese populations and evaluate their correlation to G6PD enzyme activity. A total of 339 patients (302 males and 37 females) were enrolled in this study. The G6PD variants were identified by Sanger sequencing. Our results indicate that males are more severely deficient in G6PD than females. This enzyme activity in males (1.27 ± 1.06 IU/g·Hb) is significantly lower than in females (2.98 ± 1.57 IU/g·Hb) (p < 0.0001). The enzyme activity of the heterozygous-homozygous females and heterozygous females-hemizygous males was found to be significantly different (p < 0.05), which is interpreted due to random X-inactivation. For G6PD molecular characteristics, Viangchan (c.871G>A), Canton (c.1376G>T) and Kaiping (c.1388G>A) variants were the most dominant, accounting for 24.48%, 17.70%, and 22.42%, respectively, whereas the highest frequency of complex variants was observed in Viangchan/Silent with 20.35%. In terms of G6PD activity, the Union variant presented the lowest mean value (1.03 IU/g·Hb) compared to the other variants (p < 0.05). Computational analysis using Polyphen-2 tool investigated that all variants were relative to G6PD deficiency and separated the levels as benign and damaged. The result will establish effective methods to screen G6PD variants in Vietnam.
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23
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Thiam F, Diop G, Coulonges C, Derbois C, Mbengue B, Thiam A, Nguer CM, Zagury JF, Deleuze JF, Dieye A. G6PD and HBB polymorphisms in the Senegalese population: prevalence, correlation with clinical malaria. PeerJ 2022; 10:e13487. [PMID: 35811813 PMCID: PMC9266585 DOI: 10.7717/peerj.13487] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2021] [Accepted: 05/03/2022] [Indexed: 01/24/2023] Open
Abstract
Background Host genetic factors contribute to the variability of malaria phenotypes and can allow a better understanding of mechanisms involved in susceptibility and/or resistance to Plasmodium falciparum infection outcomes. Several genetic polymorphisms were reported to be prevalent among populations living in tropical malaria-endemic regions and induce protection against malaria. The present study aims to investigate the prevalence of HBB (chr11) and G6PD (chrX) deficiencies polymorphisms among Senegalese populations and their associations with the risk for severe Plasmodium falciparum malaria occurrence. Methods We performed a retrospective study with 437 samples, 323 patients recruited in hospitals located in three different endemic areas where malaria episodes were confirmed and 114 free malaria controls. The patients enrolled were classified into two groups: severe malaria (SM) (153 patients) and uncomplicated malaria (UM) (170 patients). PCR and DNA sequencing assessed host genetic polymorphisms in HBB and G6PD. Using a multivariate regression and additive model, estimates of the impact of human HBB and G6PD polymorphisms on malaria incidence were performed. Results Six frequent SNPs with minor allele frequencies (MAF) > 3% were detected in the HBB gene (rs7946748, rs7480526, rs10768683, rs35209591, HbS (rs334) and rs713040) and two in the G6PD gene (rs762515 and rs1050828 (G6PD-202 G > A). Analysis of selected HbS polymorphism showed significant association with protective effect against severe malaria with a significant p-value = 0.033 (OR 0.38, 95% CI [0.16-0.91]) for SM vs. UM comparison. Surprisingly, our study did not identify the protective effect of variant HbC polymorphism against severe malaria. Finally, we found some of the polymorphisms, like HbS (rs334), are associated with age and biological parameters like eosinophils, basophils, lymphocytes etc. Conclusion Our data report HBB and G6PD polymorphisms in the Senegalese population and their correlation with severe/mild malaria and outcome. The G6PD and HBB deficiencies are widespread in West Africa endemic malaria regions such as The Gambia, Mali, and Burkina Faso. The study shows the critical role of genetic factors in malaria outcomes. Indeed, genetic markers could be good tools for malaria endemicity prognosis.
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Affiliation(s)
- Fatou Thiam
- Groupe de Recherche Biotechnologie Appliquée et Bioprocédés Environnementaux (GRBA-BE), Laboratoire Eau, Energie, Environnement et Procédés Industriels (LE3PI), Département de Génie Chimique et Biologie Appliquée, Ecole Supérieure Polytechnique, Université Cheikh Anta DIOP de Dakar, Dakar Fann, Dakar, Sénégal
| | - Gora Diop
- Unité Postulante de Biologie Génétique, Génomique et Bio-informatique (G2B), Département de Biologie Animale, Faculté des Sciences et Techniques, Université Cheikh Anta DIOP, Avenue Cheikh Anta DIOP, Dakar Fann, Dakar, Sénégal,Pole d’Immunophysiopathologie & Maladies Infectieuses (IMI), Institut Pasteur de Dakar, Dakar, Sénégal
| | - Cedric Coulonges
- Equipe GBA «Génomique, Bioinformatique & Applications », Conservatoire National des Arts et Métiers, Paris, France
| | - Céline Derbois
- CEA, Centre National de Recherche en Génomique Humaine, Université Paris-Saclay, Evry, France
| | - Babacar Mbengue
- Service d’Immunologie, Faculté de Médecine, de Pharmacie et d’Odontostomatologie, Université Cheikh Anta DIOP, Dakar, Sénégal
| | - Alassane Thiam
- Pole d’Immunophysiopathologie & Maladies Infectieuses (IMI), Institut Pasteur de Dakar, Dakar, Sénégal
| | - Cheikh Momar Nguer
- Groupe de Recherche Biotechnologie Appliquée et Bioprocédés Environnementaux (GRBA-BE), Laboratoire Eau, Energie, Environnement et Procédés Industriels (LE3PI), Département de Génie Chimique et Biologie Appliquée, Ecole Supérieure Polytechnique, Université Cheikh Anta DIOP de Dakar, Dakar Fann, Dakar, Sénégal
| | - Jean Francois Zagury
- Equipe GBA «Génomique, Bioinformatique & Applications », Conservatoire National des Arts et Métiers, Paris, France
| | - Jean-Francois Deleuze
- CEA, Centre National de Recherche en Génomique Humaine, Université Paris-Saclay, Evry, France
| | - Alioune Dieye
- Service d’Immunologie, Faculté de Médecine, de Pharmacie et d’Odontostomatologie, Université Cheikh Anta DIOP, Dakar, Sénégal
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24
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Batista da Rocha J, Othman H, Hazelhurst S. Molecular dynamics of G6PD variants from sub-Saharan Africa. Biochem Biophys Rep 2022; 30:101236. [PMID: 35313643 PMCID: PMC8933681 DOI: 10.1016/j.bbrep.2022.101236] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Revised: 02/15/2022] [Accepted: 02/16/2022] [Indexed: 11/30/2022] Open
Abstract
Precision medicine uses genomic guidance to improve drug treatment safety and efficacy. Prior knowledge of genetic variant impact can enable such strategies, but current knowledge of African variants remains scarce. G6PD variants are linked to haemolytic adverse effects for a number of drugs commonly used in African populations. We have investigated a set of G6PD variants with structural bioinformatics techniques to further characterise variants with known effect, and gain insights into variants with unknown impact. We observed wide variations in patterns of root-mean-square deviation between wild-type and variant structures. Variants with known, highly deleterious impact show structural effects which may likely result in the destabilisation of the G6PD homodimer. The V68M and N126D variants (which are both common across African populations, and together form the A- haplotype) induce large conformational shifts in the catalytic NADP+ binding domain. We observed a greater impact for the haplotype than for each of the individual variants in these cases. A novel African variant (M207T) shows the potential to disrupt interactions within the protein core, urging further investigation. We explore how characterising the molecular impact of African G6PD variants can enable advanced strategies for precision medicine, as well as impact the use of novel therapeutics aiming to treat G6PD deficiency. This knowledge can assist in bridging current knowledge gaps, and aid to facilitate precision medicine applications in African populations. Assessment of African G6PD variation with structural bioinformatics. Molecular dynamics of 500 ns to explore molecular motions. Comparison of variants with known/unknown impact. Exploring mechanisms of impact. Knowledge building to enable G6PD precision medicine in Africa.
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25
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Hemolysis After Medication Exposure in Pediatric Patients With G6PD Deficiency. J Pediatr Hematol Oncol 2022; 44:261-263. [PMID: 34654762 DOI: 10.1097/mph.0000000000002350] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/03/2021] [Accepted: 09/13/2021] [Indexed: 11/25/2022]
Abstract
Hemolysis in glucose-6-phosphate dehydrogenase (G6PD) deficiency varies by mutation status and the oxidative stressor. Although classified by percent of enzymatic deficiency, variability in normal G6PD values clouds assessment of hemolysis risk by level. This was a retrospective, single institution, cohort study assessing risk of postexposure medication-induced hemolysis in G6PD deficient patients. Exposures occurred in 87 of 1415 deficient patients. Only 2 of 87 medication-exposed patients had hemolytic episodes and both had very low enzymatic activity. No hemolytic events occurred with G6PD levels >7 units/g hemoglobin. Correlation of levels with mutation may improve predictive capacity for hemolysis in G6PD deficiency.
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26
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Nascimento JR, Brito-Sousa JD, Almeida ACG, Melo MM, Costa MRF, Barbosa LRA, Ramos RN, Silva-Neto AV, Balieiro PCDS, Figueiredo EFG, Silva EL, Baia-da-Silva DC, Bassat Q, Romero G, Melo GC, Sampaio VS, Lacerda M, Monteiro W. Prevalence of glucose 6-phosphate dehydrogenase deficiency in highly malaria-endemic municipalities in the Brazilian Amazon: A region-wide screening study. LANCET REGIONAL HEALTH. AMERICAS 2022; 12:100273. [PMID: 36776424 PMCID: PMC9903920 DOI: 10.1016/j.lana.2022.100273] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Background Difficulties associated with the assessment of glucose-6-phosphate dehydrogenase deficiency (G6PDd), particularly in remote areas, hinders the safe use of 8-aminoquinolines such as primaquine (PQ) and tafenoquine against Plasmodium vivax malaria due to the risk of haemolysis. Methods This cross-sectional study was conducted in 41 malaria-endemic municipalities of six states in the Brazilian Amazon, between 2014 and 2018. Male individuals were screened for G6PDd using the qualitative Fluorescent Spot Test using fingerpick-collected whole blood samples. Point and interval estimates of the G6PDd prevalence were calculated for each state. Deficient samples were genotyped for the most prevalent variants in the Amazon. Frequencies of P. vivax malaria recurrences were estimated for G6PDd and non-G6PDd patients. Interpretation This is one of the largest surveys ever conducted in Latin America, covering the entire malaria endemic area in the Brazilian Amazon. These results indicate that an important proportion of the population is at risk of hemolysis if exposed to PQ and its congener drug tafenoquine. The adoption of G6PDd screening protocols is essential to ensure the safety of individuals treated with those drugs and should also be considered when implementing malaria elimination strategies. Findings A total of 14,847 individuals were included, of which 5.6% presented G6PDd. The state of Acre had the highest G6PDd prevalence (8.3%), followed by Amapá (5.8%), Pará (5.7%), Rondônia (5.4%), Roraima (4.2%) and Amazonas (4.0%). From 828 genotyped samples, African A+ (6.2%), African A- (39.3%) and wild-type (non-African non-Mediterranean; 54.2%) variants were found. A greater proportion of malaria recurrences was found among G6PD deficient individuals [16.7% vs 4.1%, Risk ratio 3.52 (2.16-5.74) p < 0.01]. Funding Brazilian Ministry of Health; Fundação de Amparo à Pesquisa do Estado do Amazonas (FAPEAM).
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Affiliation(s)
- Joabi Rocha Nascimento
- Instituto de Pesquisa Clínica Carlos Borborema, Fundação de Medicina Tropical Dr Heitor Vieira Dourado, Av. Pedro Teixeira 25 , Manaus, Amazonas CEP 69040-000, Brazil
- Escola Superior de Ciências da Saúde, Universidade do Estado do Amazonas, Manaus, Brazil
| | - Jose Diego Brito-Sousa
- Instituto de Pesquisa Clínica Carlos Borborema, Fundação de Medicina Tropical Dr Heitor Vieira Dourado, Av. Pedro Teixeira 25 , Manaus, Amazonas CEP 69040-000, Brazil
- Escola Superior de Ciências da Saúde, Universidade do Estado do Amazonas, Manaus, Brazil
| | - Anne Cristine Gomes Almeida
- Instituto de Pesquisa Clínica Carlos Borborema, Fundação de Medicina Tropical Dr Heitor Vieira Dourado, Av. Pedro Teixeira 25 , Manaus, Amazonas CEP 69040-000, Brazil
| | - Marly M Melo
- Instituto de Pesquisa Clínica Carlos Borborema, Fundação de Medicina Tropical Dr Heitor Vieira Dourado, Av. Pedro Teixeira 25 , Manaus, Amazonas CEP 69040-000, Brazil
- Escola Superior de Ciências da Saúde, Universidade do Estado do Amazonas, Manaus, Brazil
| | - Monica Regina Farias Costa
- Instituto de Pesquisa Clínica Carlos Borborema, Fundação de Medicina Tropical Dr Heitor Vieira Dourado, Av. Pedro Teixeira 25 , Manaus, Amazonas CEP 69040-000, Brazil
| | - Laila Rowena Albuquerque Barbosa
- Instituto de Pesquisa Clínica Carlos Borborema, Fundação de Medicina Tropical Dr Heitor Vieira Dourado, Av. Pedro Teixeira 25 , Manaus, Amazonas CEP 69040-000, Brazil
- Escola Superior de Ciências da Saúde, Universidade do Estado do Amazonas, Manaus, Brazil
| | - Reinaldo Nery Ramos
- Instituto de Pesquisa Clínica Carlos Borborema, Fundação de Medicina Tropical Dr Heitor Vieira Dourado, Av. Pedro Teixeira 25 , Manaus, Amazonas CEP 69040-000, Brazil
| | - Alexandre Vilhena Silva-Neto
- Instituto de Pesquisa Clínica Carlos Borborema, Fundação de Medicina Tropical Dr Heitor Vieira Dourado, Av. Pedro Teixeira 25 , Manaus, Amazonas CEP 69040-000, Brazil
- Escola Superior de Ciências da Saúde, Universidade do Estado do Amazonas, Manaus, Brazil
| | - Patricia Carvalho da Silva Balieiro
- Instituto de Pesquisa Clínica Carlos Borborema, Fundação de Medicina Tropical Dr Heitor Vieira Dourado, Av. Pedro Teixeira 25 , Manaus, Amazonas CEP 69040-000, Brazil
- Escola Superior de Ciências da Saúde, Universidade do Estado do Amazonas, Manaus, Brazil
| | - Erick Frota Gomes Figueiredo
- Instituto de Pesquisa Clínica Carlos Borborema, Fundação de Medicina Tropical Dr Heitor Vieira Dourado, Av. Pedro Teixeira 25 , Manaus, Amazonas CEP 69040-000, Brazil
- Escola Superior de Ciências da Saúde, Universidade do Estado do Amazonas, Manaus, Brazil
| | - Emanuelle Lira Silva
- Instituto de Pesquisa Clínica Carlos Borborema, Fundação de Medicina Tropical Dr Heitor Vieira Dourado, Av. Pedro Teixeira 25 , Manaus, Amazonas CEP 69040-000, Brazil
- Escola Superior de Ciências da Saúde, Universidade do Estado do Amazonas, Manaus, Brazil
| | - Djane Clarys Baia-da-Silva
- Instituto de Pesquisa Clínica Carlos Borborema, Fundação de Medicina Tropical Dr Heitor Vieira Dourado, Av. Pedro Teixeira 25 , Manaus, Amazonas CEP 69040-000, Brazil
- Escola Superior de Ciências da Saúde, Universidade do Estado do Amazonas, Manaus, Brazil
- Instituto de Pesquisas Leônidas & Maria Deane, Fundação Oswaldo Cruz, Manaus, Brazil
| | - Quique Bassat
- ISGlobal, Hospital Clínic - Universitat de Barcelona, Barcelona, Spain
- Centro de Investigação em Saúde de Manhiça (CISM), Maputo, Mozambique
- ICREA, Pg. Lluís Companys 23, Barcelona 08010, Spain
- Pediatrics Department, Hospital Sant Joan de Déu, Universitat de Barcelona, Esplugues, Barcelona, Spain
- Consorcio de Investigación Biomédica en Red de Epidemiología y Salud Pública (CIBERESP), Madrid, Spain
| | - Gustavo Romero
- Núcleo de Medicina Tropical, Universidade de Brasília, Brasília, Brazil
| | - Gisely Cardoso Melo
- Instituto de Pesquisa Clínica Carlos Borborema, Fundação de Medicina Tropical Dr Heitor Vieira Dourado, Av. Pedro Teixeira 25 , Manaus, Amazonas CEP 69040-000, Brazil
- Escola Superior de Ciências da Saúde, Universidade do Estado do Amazonas, Manaus, Brazil
| | - Vanderson Souza Sampaio
- Instituto de Pesquisa Clínica Carlos Borborema, Fundação de Medicina Tropical Dr Heitor Vieira Dourado, Av. Pedro Teixeira 25 , Manaus, Amazonas CEP 69040-000, Brazil
- Escola Superior de Ciências da Saúde, Universidade do Estado do Amazonas, Manaus, Brazil
| | - Marcus Lacerda
- Instituto de Pesquisa Clínica Carlos Borborema, Fundação de Medicina Tropical Dr Heitor Vieira Dourado, Av. Pedro Teixeira 25 , Manaus, Amazonas CEP 69040-000, Brazil
- Escola Superior de Ciências da Saúde, Universidade do Estado do Amazonas, Manaus, Brazil
- Instituto de Pesquisas Leônidas & Maria Deane, Fundação Oswaldo Cruz, Manaus, Brazil
| | - Wuelton Monteiro
- Instituto de Pesquisa Clínica Carlos Borborema, Fundação de Medicina Tropical Dr Heitor Vieira Dourado, Av. Pedro Teixeira 25 , Manaus, Amazonas CEP 69040-000, Brazil
- Escola Superior de Ciências da Saúde, Universidade do Estado do Amazonas, Manaus, Brazil
- Corresponding author at: Instituto de Pesquisa Clínica Carlos Borborema, Fundação de Medicina Tropical Dr Heitor Vieira Dourado, Av. Pedro Teixeira 25 , Manaus, Amazonas CEP 69040-000, Brazil.
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27
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Zhang Z, Weng Z, Yao J, Liu D, Zhang L, Zhang L, Xie G. Toehold-mediated nonenzymatic DNA strand displacement coupling UDG mediated PCR and multi-code magnetic beads for DNA genotyping. Microchem J 2022. [DOI: 10.1016/j.microc.2022.107340] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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28
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Hamali HA. Glucose-6-Phosphate Dehydrogenase Deficiency: An Overview of the Prevalence and Genetic Variants in Saudi Arabia. Hemoglobin 2022; 45:287-295. [DOI: 10.1080/03630269.2022.2034644] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Hassan A. Hamali
- Department of Medical Laboratory Technology, Faculty of Applied Medical Sciences, Jazan University, Gizan, Saudi Arabia
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29
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Naville AS, Lazaro E, Boutin J, Prot-Leurent C, Mansier O, Richard E, Augis V, Weinmann L, Fuster V, Vial JP, Ged C, Dulucq S. Acquired glucose 6-phosphate dehydrogenase (G6PD) deficiency in a patient with Chronic Myelomonocytic Leukemia. Br J Haematol 2022; 197:e45-e48. [PMID: 34989400 DOI: 10.1111/bjh.18037] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2021] [Revised: 12/18/2021] [Accepted: 12/27/2021] [Indexed: 11/29/2022]
Affiliation(s)
- Anne-Sophie Naville
- Laboratory of Haematology, University Hospital of Bordeaux, Bordeaux, France
| | - Estibaliz Lazaro
- Internal medicine department, University Hospital of Bordeaux, Bordeaux, France
| | - Julian Boutin
- Laboratory of Biochemistry, University Hospital of Bordeaux, Bordeaux, France.,INSERM, BMGIC, University of Bordeaux, Bordeaux, France.,Laboratory of Excellence Gr-Ex, Paris, France
| | | | - Olivier Mansier
- Laboratory of Haematology, University Hospital of Bordeaux, Bordeaux, France
| | - Emmanuel Richard
- Laboratory of Biochemistry, University Hospital of Bordeaux, Bordeaux, France.,INSERM, BMGIC, University of Bordeaux, Bordeaux, France.,Laboratory of Excellence Gr-Ex, Paris, France
| | - Vanessa Augis
- Laboratory of Haematology, University Hospital of Bordeaux, Bordeaux, France
| | - Laurent Weinmann
- Laboratory of Haematology, University Hospital of Bordeaux, Bordeaux, France
| | - Valerie Fuster
- Laboratory of Haematology, University Hospital of Bordeaux, Bordeaux, France
| | - Jean-Philippe Vial
- Laboratory of Haematology, University Hospital of Bordeaux, Bordeaux, France
| | - Cecile Ged
- Laboratory of Biochemistry, University Hospital of Bordeaux, Bordeaux, France.,INSERM, BMGIC, University of Bordeaux, Bordeaux, France.,Laboratory of Excellence Gr-Ex, Paris, France
| | - Stephanie Dulucq
- Laboratory of Haematology, University Hospital of Bordeaux, Bordeaux, France
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30
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Lee HY, Ithnin A, Azma RZ, Othman A, Salvador A, Cheah FC. Glucose-6-Phosphate Dehydrogenase Deficiency and Neonatal Hyperbilirubinemia: Insights on Pathophysiology, Diagnosis, and Gene Variants in Disease Heterogeneity. Front Pediatr 2022; 10:875877. [PMID: 35685917 PMCID: PMC9170901 DOI: 10.3389/fped.2022.875877] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/14/2022] [Accepted: 05/02/2022] [Indexed: 01/04/2023] Open
Abstract
Glucose-6-phosphate dehydrogenase (G6PD) deficiency is a prevalent condition worldwide and is caused by loss-of-function mutations in the G6PD gene. Individuals with deficiency are more susceptible to oxidative stress which leads to the classical, acute hemolytic anemia (favism). However, G6PD deficiency in newborn infants presents with an increased risk of hyperbilirubinemia, that may rapidly escalate to result in bilirubin induced neurologic dysfunction (BIND). Often with no overt signs of hemolysis, G6PD deficiency in the neonatal period appears to be different in the pathophysiology from favism. This review discusses and compares the mechanistic pathways involved in these two clinical presentations of this enzyme disorder. In contrast to the membrane disruption of red blood cells and Heinz bodies formation in favism, G6PD deficiency causing jaundice is perhaps attributed to the disruption of oxidant-antioxidant balance, impaired recycling of peroxiredoxin 2, thus affecting bilirubin clearance. Screening for G6PD deficiency and close monitoring of affected infants are important aspects in neonatal care to prevent kernicterus, a permanent and devastating neurological damage. WHO recommends screening for G6PD activity of all infants in countries with high prevalence of this deficiency. The traditional fluorescent spot test as a screening tool, although low in cost, misses a significant proportion of cases with moderate deficiency or the partially deficient, heterozygote females. Some newer and emerging laboratory tests and diagnostic methods will be discussed while developments in genomics and proteomics contribute to increasing studies that spatially profile genetic mutations within the protein structure that could predict their functional and structural effects. In this review, several known variants of G6PD are highlighted based on the location of the mutation and amino acid replacement. These could provide insights on why some variants may cause a higher degree of phenotypic severity compared to others. Further studies are needed to elucidate the predisposition of some variants toward certain clinical manifestations, particularly neonatal hyperbilirubinemia, and how some variants increase in severity when co-inherited with other blood- or bilirubin-related genetic disorders.
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Affiliation(s)
- Heng Yang Lee
- Department of Paediatrics, Faculty of Medicine, Universiti Kebangsaan Malaysia Medical Centre, Cheras, Malaysia
| | - Azlin Ithnin
- Department of Pathology, Faculty of Medicine, Universiti Kebangsaan Malaysia Medical Centre, Cheras, Malaysia
| | - Raja Zahratul Azma
- Department of Pathology, Faculty of Medicine, Universiti Kebangsaan Malaysia Medical Centre, Cheras, Malaysia
| | - Ainoon Othman
- Department of Medical Science II, Faculty of Medicine and Health Sciences, Universiti Sains Islam Malaysia, Nilai, Malaysia
| | - Armindo Salvador
- CNC-Centre for Neuroscience Cell Biology, University of Coimbra, Coimbra, Portugal.,Coimbra Chemistry Centre-Institute of Molecular Sciences (CQC-IMS), University of Coimbra, Coimbra, Portugal.,Institute for Interdisciplinary Research, University of Coimbra, Coimbra, Portugal
| | - Fook Choe Cheah
- Department of Paediatrics, Faculty of Medicine, Universiti Kebangsaan Malaysia Medical Centre, Cheras, Malaysia
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31
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Seven novel glucose-6-phosphate dehydrogenase (G6PD) deficiency variants identified in the Qatari population. Hum Genomics 2021; 15:61. [PMID: 34620237 PMCID: PMC8499492 DOI: 10.1186/s40246-021-00358-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2021] [Accepted: 09/06/2021] [Indexed: 11/12/2022] Open
Abstract
Background Glucose-6-phosphate dehydrogenase deficiency (G6PDD) is the most common red cell enzymopathy in the world. In Qatar, the incidence of G6PDD is estimated at around 5%; however, no study has investigated the genetic basis of G6PDD in the Qatari population yet. Methods In this study, we analyzed whole-genome sequencing data generated by the Qatar Genome Programme for 6045 Qatar Biobank participants, to identify G6PDD variants in the Qatari population. In addition, we assessed the impact of the novel variants identified on protein function both in silico and by measuring G6PD enzymatic activity in the subjects carrying them. Results We identified 375 variants in/near G6PD gene, of which 20 were high-impact and 16 were moderate-impact variants. Of these, 14 were known G6PDD-causing variants. The most frequent G6PD-causing variants found in the Qatari population were p.Ser188Phe (G6PD Mediterranean), p.Asn126Asp (G6PD A +), p.Val68Met (G6PD Asahi), p.Ala335Thr (G6PD Chatham), and p.Ile48Thr (G6PD Aures) with allele frequencies of 0.0563, 0.0194, 0.00785, 0.0050, and 0.00380, respectively. Furthermore, we have identified seven novel G6PD variants, all of which were confirmed as G6PD-causing variants and classified as class III variants based on the World Health Organization’s classification scheme. Conclusions This is the first study investigating the molecular basis of G6PDD in Qatar, and it provides novel insights about G6PDD pathogenesis and highlights the importance of studying such understudied population. Supplementary Information The online version contains supplementary material available at 10.1186/s40246-021-00358-9.
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DelFavero JJ, Jnah AJ, Newberry D. Glucose-6-Phosphate Dehydrogenase Deficiency and the Benefits of Early Screening. Neonatal Netw 2021; 39:270-282. [PMID: 32879043 DOI: 10.1891/0730-0832.39.5.270] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/26/2020] [Indexed: 11/25/2022]
Abstract
Glucose-6-phosphate dehydrogenase (G6PD) deficiency, the most common enzymopathy worldwide, is an insufficient amount of the G6PD enzyme, which is vital to the protection of the erythrocyte. Deficient enzyme levels lead to oxidative damage, hemolysis, and resultant severe hyperbilirubinemia. If not promptly recognized and treated, G6PD deficiency can potentially lead to bilirubin-induced neurologic dysfunction, acute bilirubin encephalopathy, and kernicterus. Glucose-6-phosphate dehydrogenase deficiency is one of the three most common causes for pathologic hyperbilirubinemia. A change in migration patterns and intercultural marriages have created an increased incidence of G6PD deficiency in the United States. Currently, there is no universally mandated metabolic screening or clinical risk assessment tool for G6PD deficiency in the United States. Mandatory universal screening for G6PD deficiency, which includes surveillance and hospital-based risk assessment tools, can identify the at-risk infant and foster early identification, diagnosis, and treatment to eliminate neurotoxicity.
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Li J, Chen Y, Ou Z, Ouyang F, Liang J, Jiang Z, Chen C, Li P, Chen J, Wei J, Zeng J. Aspirin Therapy in Cardiovascular Disease with Glucose-6-Phosphate Dehydrogenase Deficiency, Safe or Not? Am J Cardiovasc Drugs 2021; 21:377-382. [PMID: 33313989 DOI: 10.1007/s40256-020-00460-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 11/20/2020] [Indexed: 10/22/2022]
Abstract
Glucose-6-phosphate dehydrogenase (G6PD) deficiency is the most common human enzyme defect, which may present as acute hemolysis, neonatal jaundice, or chronic hemolysis. Ingestion of fava beans, as well as infection and certain drugs, are the most typical causes of acute hemolysis in people with G6PD deficiency. Aspirin, the cornerstone in current therapies for the prevention of cardiovascular disease (CVD), is occasionally reported to induce acute hemolysis in G6PD-deficient individuals. G6PD deficiency is typically asymptomatic and many CVD patients with this enzyme defect start to take long-term aspirin therapy without G6PD activity examination; however, no consensus on the safety of aspirin in this population has been reached. A few studies have reported on this issue and produced contradictory results. In this review, we discuss the possible mechanisms of aspirin-induced hemolysis, and summarize clinical evidence regarding the safety of aspirin in subjects with G6PD deficiency.
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Yang HC, Ma TH, Tjong WY, Stern A, Chiu DTY. G6PD deficiency, redox homeostasis, and viral infections: implications for SARS-CoV-2 (COVID-19). Free Radic Res 2021; 55:364-374. [PMID: 33401987 PMCID: PMC7799378 DOI: 10.1080/10715762.2020.1866757] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2020] [Revised: 12/08/2020] [Accepted: 12/10/2020] [Indexed: 02/08/2023]
Abstract
The COVID-19 pandemic has so far affected more than 45 million people and has caused over 1 million deaths worldwide. Infection with SARS-CoV-2, the pathogenic agent, which is associated with an imbalanced redox status, causes hyperinflammation and a cytokine storm, leading to cell death. Glucose-6-phosphate dehydrogenase (G6PD) deficient individuals may experience a hemolytic crisis after being exposed to oxidants or infection. Individuals with G6PD deficiency are more susceptible to coronavirus infection than individuals with normally functioning G6PD. An altered immune response to viral infections is found in individuals with G6PD deficiency. Evidence indicates that G6PD deficiency is a predisposing factor of COVID-19.
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Affiliation(s)
- Hung-Chi Yang
- Department of Medical Laboratory Science and Biotechnology, Yuanpei University of Medical Technology, Hsinchu, Taiwan
| | - Tian-Hsiang Ma
- Graduate Institute of Health Industry Technology, College of Human Ecology, Chang Gung University of Science and Technology, Taoyuan, Taiwan
| | - Wen-Ye Tjong
- Graduate Institute of Health Industry Technology, College of Human Ecology, Chang Gung University of Science and Technology, Taoyuan, Taiwan
| | - Arnold Stern
- Grossman School of Medicine, New York University, New York, NY, USA
| | - Daniel Tsun-Yee Chiu
- Research Center for Chinese Herbal Medicine, Graduate Institute of Health Industry Technology, College of Human Ecology, Chang Gung University of Science and Technology, Taoyuan, Taiwan
- Department of Pediatric Hematology/Oncology, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan
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Glucose-6-phosphate dehydrogenase deficiency. Blood 2021; 136:1225-1240. [PMID: 32702756 DOI: 10.1182/blood.2019000944] [Citation(s) in RCA: 143] [Impact Index Per Article: 47.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2019] [Accepted: 12/12/2019] [Indexed: 11/20/2022] Open
Abstract
Glucose 6-phosphate dehydrogenase (G6PD) deficiency is 1 of the commonest human enzymopathies, caused by inherited mutations of the X-linked gene G6PD. G6PD deficiency makes red cells highly vulnerable to oxidative damage, and therefore susceptible to hemolysis. Over 200 G6PD mutations are known: approximately one-half are polymorphic and therefore common in various populations. Some 500 million persons with any of these mutations are mostly asymptomatic throughout their lifetime; however, any of them may develop acute and sometimes very severe hemolytic anemia when triggered by ingestion of fava beans, by any of a number of drugs (for example, primaquine, rasburicase), or, more rarely, by infection. Approximately one-half of the G6PD mutations are instead sporadic: rare patients with these mutations present with chronic nonspherocytic hemolytic anemia. Almost all G6PD mutations are missense mutations, causing amino acid replacements that entail deficiency of G6PD enzyme activity: they compromise the stability of the protein, the catalytic activity is decreased, or a combination of both mechanisms occurs. Thus, genotype-phenotype correlations have been reasonably well clarified in many cases. G6PD deficiency correlates remarkably, in its geographic distribution, with past/present malaria endemicity: indeed, it is a unique example of an X-linked human polymorphism balanced through protection of heterozygotes from malaria mortality. Acute hemolytic anemia can be managed effectively provided it is promptly diagnosed. Reliable diagnostic procedures are available, with point-of-care tests becoming increasingly important where primaquine and its recently introduced analog tafenoquine are required for the elimination of malaria.
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Vela-Amieva M, Alcántara-Ortigoza MA, González-del Angel A, Belmont-Martínez L, López-Candiani C, Ibarra-González I. Genetic spectrum and clinical early natural history of glucose-6-phosphate dehydrogenase deficiency in Mexican children detected through newborn screening. Orphanet J Rare Dis 2021; 16:103. [PMID: 33637102 PMCID: PMC7913327 DOI: 10.1186/s13023-021-01693-9] [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: 10/19/2020] [Accepted: 01/17/2021] [Indexed: 12/19/2022] Open
Abstract
BACKGROUND Glucose-6-phosphate dehydrogenase deficiency (G6PDd) newborn screening is still a matter of debate due to its highly heterogeneous birth prevalence and clinical expression, as well as, the lack of enough knowledge on its natural history. Herein, we describe the early natural clinical course and the underlying GDPD genotypes in infants with G6PDd detected by newborn screening and later studied in a single follow-up center. G6PDd newborns were categorized into three groups: group 1: hospitalized with or without neonatal jaundice (NNJ); group 2: non-hospitalized with NNJ; and group 3: asymptomatic. Frequencies of homozygous UGT1A1*28 (rs34983651) genotypes among G6PDd patients with or without NNJ were also explored. RESULTS A total of 81 newborns (80 males, one female) were included. Most individuals (46.9%) had NNJ without other symptoms, followed by asymptomatic (42.0%) and hospitalized (11.1%) patients, although the hospitalization of only 3 of these patients was related to G6PDd, including NNJ or acute hemolytic anemia (AHA). Nine different G6PDd genotypes were found; the G6PD A-202A/376G genotype was the most frequent (60.5%), followed by the G6PD A-376G/968C (22.2%) and the Union-Maewo (rs398123546, 7.4%) genotypes. These genotypes produce a wide range of clinical and biochemical phenotypes with significant overlapping residual enzymatic activity values among class I, II or III variants. Some G6PD A-202A/376G individuals had enzymatic values that were close to the cutoff value (5.3 U/g Hb, 4.6 and 4.8 U/g Hb in the groups with and without NNJ, respectively), while others showed extremely low enzymatic values (1.1 U/g Hb and 1.4 U/g Hb in the groups with and without NNJ, respectively). Homozygosity for UGT1A1*28 among G6PDd patients with (11.9%, N = 5/42) or without (10.3%, N = 4/39) NNJ did not shown significant statistical difference (p = 0.611). CONCLUSION Wide variability in residual enzymatic activity was noted in G6PDd individuals with the same G6PD genotype. This feature, along with a documented heterogeneous mutational spectrum, makes it difficult to categorize G6PD variants according to current WHO classification and precludes the prediction of complications such as AHA, which can occur even with > 10% of residual enzymatic activity and/or be associated with the common and mild G6PD A-376G/968C and G6PD A-202A/376G haplotypes.
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Affiliation(s)
- Marcela Vela-Amieva
- Laboratorio de Errores Innatos del Metabolismo Y Tamiz, Instituto Nacional de Pediatría SS, CDMX, Mexico
| | | | | | - Leticia Belmont-Martínez
- Laboratorio de Errores Innatos del Metabolismo Y Tamiz, Instituto Nacional de Pediatría SS, CDMX, Mexico
| | | | - Isabel Ibarra-González
- UGN, Instituto de Investigaciones Biomédicas, UNAM-LEIMyT, Instituto Nacional de Pediatría SS, CDMX, Mexico
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Fujii J, Homma T, Kobayashi S, Warang P, Madkaikar M, Mukherjee MB. Erythrocytes as a preferential target of oxidative stress in blood. Free Radic Res 2021; 55:562-580. [PMID: 33427524 DOI: 10.1080/10715762.2021.1873318] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Red blood cells (RBC) are specifically differentiated to transport oxygen and carbon dioxide in the blood and they lack most organelles, including mitochondria. The autoxidation of hemoglobin constitutes a major source of reactive oxygen species (ROS). Nitric oxide, which is produced by endothelial nitric oxide synthase (NOS3) or via the hemoglobin-mediated conversion of nitrite, interacts with ROS and results in the production of reactive nitrogen oxide species. Herein we present an overview of anemic diseases that are closely related to oxidative damage. Because the compensation of proteins by means of gene expression does not proceed in enucleated cells, antioxidative and redox systems play more important roles in maintaining the homeostasis of RBC against oxidative insult compared to ordinary cells. Defects in hemoglobin and enzymes that are involved in energy production and redox reactions largely trigger oxidative damage to RBC. The results of studies using genetically modified mice suggest that antioxidative enzymes, notably superoxide dismutase 1 and peroxiredoxin 2, play essential roles in coping with oxidative damage in erythroid cells, and their absence limits erythropoiesis, the life-span of RBC and consequently results in the development of anemia. The degeneration of the machinery involved in the proteolytic removal of damaged proteins appears to be associated with hemolytic events. The ubiquitin-proteasome system is the dominant machinery, not only for the proteolytic removal of damaged proteins in erythroid cells but also for the development of erythropoiesis. Hence, despite the fact that it is less abundant in RBC compared to ordinary cells, the aberrant ubiquitin-proteasome system may be associated with the development of anemic diseases via the accumulation of damaged proteins, as typified in sickle cell disease, and impaired erythropoiesis.
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Affiliation(s)
- Junichi Fujii
- Department of Biochemistry and Molecular Biology, Graduate School of Medical Science, Yamagata University, Yamagata, Japan
| | - Takujiro Homma
- Department of Biochemistry and Molecular Biology, Graduate School of Medical Science, Yamagata University, Yamagata, Japan
| | - Sho Kobayashi
- Department of Biochemistry and Molecular Biology, Graduate School of Medical Science, Yamagata University, Yamagata, Japan
| | - Prashant Warang
- ICMR - National Institute of Immunohaematology, Mumbai, India
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G6PD distribution in sub-Saharan Africa and potential risks of using chloroquine/hydroxychloroquine based treatments for COVID-19. THE PHARMACOGENOMICS JOURNAL 2021; 21:649-656. [PMID: 34302047 PMCID: PMC8299738 DOI: 10.1038/s41397-021-00242-8] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/08/2020] [Accepted: 05/12/2021] [Indexed: 02/07/2023]
Abstract
Chloroquine/hydroxychloroquine have been proposed as potential treatments for COVID-19. These drugs have warning labels for use in individuals with glucose-6-phosphate dehydrogenase (G6PD) deficiency. Analysis of whole genome sequence data of 458 individuals from sub-Saharan Africa showed significant G6PD variation across the continent. We identified nine variants, of which four are potentially deleterious to G6PD function, and one (rs1050828) that is known to cause G6PD deficiency. We supplemented data for the rs1050828 variant with genotype array data from over 11,000 Africans. Although this variant is common in Africans overall, large allele frequency differences exist between sub-populations. African sub-populations in the same country can show significant differences in allele frequency (e.g. 16.0% in Tsonga vs 0.8% in Xhosa, both in South Africa, p = 2.4 × 10-3). The high prevalence of variants in the G6PD gene found in this analysis suggests that it may be a significant interaction factor in clinical trials of chloroquine and hydroxychloroquine for treatment of COVID-19 in Africans.
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Rajkhowa P, Nath C, Dutta A, Misurya I, Sharma N, Barman B, Longkumer C, Lynrah KG, Sarmah D, Ruram A. Study of Glucose-6-Phosphate Dehydrogenase (G6PD) Deficiency and Genotype Polymorphism of G6PD B and G6PD (A+/A-) in Patients Treated for Plasmodium vivax Malaria in a Tertiary Care Hospital in North East India. Cureus 2020; 12:e11463. [PMID: 33214970 PMCID: PMC7671175 DOI: 10.7759/cureus.11463] [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] [Indexed: 01/01/2023] Open
Abstract
Introduction Glucose-6-phosphate dehydrogenase (G6PD) enzyme deficiency is the most common enzymopathy in humans, and its distribution has been historically described to be closely associated with that of malaria. North East India provides optimal conditions for transmission of malaria and bears a considerable burden of Plasmodium vivax (P. vivax) malaria. Primaquine, a mainstay in the treatment of vivax malaria, may trigger episodes of acute hemolysis in patients with G6PD deficiency. The present study sought to delineate the frequency and genotypes of G6PD deficiency among patients suffering from vivax malaria infections. Methods Blood specimens from 80 individuals diagnosed with vivax malaria underwent enzyme assay for G6PD deficiency. Samples with deficient phenotype underwent isolation of DNA using a genomic DNA isolation kit (Qiagen India Pvt. Ltd., New Delhi, India). The genomic DNA underwent amplification, serial denaturation, annealing, extension, final extension followed by digestion with restriction endonucleases Nla III and Fok I. The digested products were subjected to horizontal agarose electrophoresis for the separation of digested fragments. Samples without nucleotide 376 adenine→guanine (A→G) mutation were classified as G6PD B. Those with the mutation were further classified into G6PD A(+) and G6PD A(-) based on the presence of Nla III site. Results Twenty-seven out of 80 individuals (33.75%) with P. vivax malaria were found to have G6PD deficiency, of which a majority (n=24) had G6PD B genotype. Three individuals had Asparagine→Aspartic Acid mutation at position 376 (A→G), of which G6PD A(+) and G6PD A(-) were present in two and one cases, respectively. Conclusion G6PD deficiency was noted in about a third of patients with vivax malaria. Since primaquine therapy is contraindicated in this group of patients, there is a rationale for looking into screening patients with vivax malaria from the region prior to primaquine therapy. Further large scale studies may substantiate this and help in better genotypic and geographic characterization of G6PD deficiency in the region.
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Affiliation(s)
- Purnima Rajkhowa
- Department of Microbiology, Silchar Medical College, Silchar, IND
| | - Chandan Nath
- Department of Biochemistry, North Eastern Indira Gandhi Regional Institute of Health and Medical Sciences, Shillong, IND
| | - Anirban Dutta
- Department of Medicine, Dr. NMB Baruah Nursing Home, Nalbari, IND
| | - Ishita Misurya
- Department of Medicine, All India Institute of Medical Sciences, Jodhpur, IND
| | - Nalini Sharma
- Department of Obstetrics and Gynecology, North Eastern Indira Gandhi Regional Institute of Health and Medical Sciences, Shillong, IND
| | - Bhupen Barman
- Department of Medicine, North Eastern Indira Gandhi Regional Institute of Health and Medical Sciences, Shillong, IND
| | | | - K G Lynrah
- Department of Medicine, North Eastern Indira Gandhi Regional Institute of Health and Medical Sciences, Shillong, IND
| | - Devajit Sarmah
- Department of Biochemistry, Rajarshi Dashrath Autonomous State Medical College, Ayodhya, IND
| | - Alice Ruram
- Department of Biochemistry, North Eastern Indira Gandhi Regional Institute of Health and Medical Sciences, Shillong, IND
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Cabantous P, Daliphard S, Bobée V. Erythrocyte hemighosts in a patient with tumor lysis syndrome: One train may hide another. Clin Case Rep 2020; 8:2069-2070. [PMID: 33088555 PMCID: PMC7562878 DOI: 10.1002/ccr3.3011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2020] [Revised: 04/27/2020] [Accepted: 05/15/2020] [Indexed: 11/12/2022] Open
Abstract
Rasburicase was introduced to treat hyperuricemia secondary to tumor lysis syndrome. Because of severe hemolytic anemia, a blood smear was requested and showed hemighosts, revealing G6PD deficiency. Erythrocyte morphology is a key tool in laboratory hematology.
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Affiliation(s)
- Pierre Cabantous
- Department of Biological Hematology Rouen University Hospital Rouen France
| | - Sylvie Daliphard
- Department of Biological Hematology Rouen University Hospital Rouen France
| | - Victor Bobée
- Department of Biological Hematology Rouen University Hospital Rouen France
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Yang Z, Jiang H. A chromatin perspective on metabolic and genotoxic impacts on hematopoietic stem and progenitor cells. Cell Mol Life Sci 2020; 77:4031-4047. [PMID: 32318759 PMCID: PMC7541408 DOI: 10.1007/s00018-020-03522-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2020] [Revised: 03/17/2020] [Accepted: 04/06/2020] [Indexed: 02/07/2023]
Abstract
Fate determination in self-renewal and differentiation of hematopoietic stem and progenitor cells (HSCs and HPCs) is ultimately controlled by gene expression, which is profoundly influenced by the global and local chromatin state. Cellular metabolism directly influences the chromatin state through the dynamic regulation of the enzymatic activities that modify DNA and histones, but also generates genotoxic metabolites that can damage DNA and thus pose threat to the genome integrity. On the other hand, mechanisms modulating the chromatin state impact metabolism by regulating the expression and activities of key metabolic enzymes. Moreover, through regulating either DNA damage response directly or expression of genes involved in this process, chromatin modulators play active and crucial roles in guarding the genome integrity, breaching of which results in defective HSPC function. Therefore, HSPC function is regulated by the dynamic and two-way interactions between metabolism and chromatin. Here, we review recent advances that provide a chromatin perspective on the major impacts the metabolic and genotoxic factors can have on HSPC function and fate determination.
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Affiliation(s)
- Zhenhua Yang
- School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China.
| | - Hao Jiang
- Department of Biochemistry and Molecular Genetics, University of Virginia School of Medicine, Charlottesville, VA, 22908, USA.
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Danquah KO, Mensah K, Nkansah C, Appiah SK, Noagbe M, Hardy Y, Ntiamoah DO, Boateng LA, Annani-Akollor ME, Owiredu EW, Debrah AY, Addai-Mensah O. Molecular Characterization of Glucose-6-Phosphate Dehydrogenase: Do Single Nucleotide Polymorphisms Affect Hematological Parameters in HIV-Positive Patients? J Trop Med 2020; 2020:5194287. [PMID: 32802082 PMCID: PMC7416277 DOI: 10.1155/2020/5194287] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2020] [Accepted: 06/19/2020] [Indexed: 11/17/2022] Open
Abstract
This descriptive, cross-sectional study aimed at evaluating the prevalence of G6PD deficiency and the 376A ⟶ G, 202G ⟶ A single nucleotide polymorphisms (SNPs) among HIV patients attending care at a teaching hospital in Ghana and determine how the SNPs affect haematological profile in HIV. A total of 200 HIV-positive Ghanaians were recruited. Venous blood samples were obtained and complete blood count, and G6PD screening and genotyping for the 376A ⟶ G, 202G ⟶ A SNPs were performed. Out of the 200 participants, 13.0% (26/200) were G6PD-deficient based on the methemoglobin reductase technique, with 1.5% (3/200) and 11.5% (23/200) presenting with partial and full enzyme defect, respectively. Among the 13.0% participants with G6PD deficiency, 19.2% (5/26), 30.8% (8/26), and 19.2% (5/26) presented with 376A ⟶ G only (enzyme activity (EA): 1.19 U/g Hb), 202G ⟶A only (EA: 1.41 U/g Hb), and G202/A376 SNPs (EA: 1.14 U/g Hb), respectively. Having the 376A ⟶ G mutation was associated not only with lower red blood cell (RBC) count (3.38 × 106/µL (3.16-3.46) vs 3.95 × 106/µL (3.53-4.41), p = 0.010) but also with higher mean cell volume (MCV) (102.90 (99.40-113.0) vs 91.10 fL (84.65-98.98), p = 0.041) and mean cell haemoglobin (MCH) (33.70 pg (32.70-38.50) vs 30.75 pg (28.50-33.35), p = 0.038), whereas possessing the 202G ⟶ A mutation was associated with higher MCV only (98.90 fL (90.95-102.35) vs 91.10 fL (84.65-98.98), p = 0.041) compared to G6PD nondeficient participants. The prevalence of G6PD deficiency among HIV patients in Kumasi, Ghana, is 13.0% prevalence, comprising 1.5% and 11.5% partial and full enzyme defect, respectively, based on the methemoglobin reductase technique among HIV patients in Ghana. Among G6PD-deficient HIV patients, the prevalence of G202/A376 SNPs is 19.2%. The 376A ⟶ G mutation is associated not only with lower RBC count but also with higher MCV and MCH, whereas the 202G ⟶ A mutation is associated with higher MCV compared to the normal G6PD population.
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Affiliation(s)
- Kwabena Owusu Danquah
- Department of Medical Diagnostics, Faculty of Allied Health Sciences, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
| | - Kofi Mensah
- Department of Medical Diagnostics, Faculty of Allied Health Sciences, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
- Department of Haematology, Komfo Anokye Teaching Hospital, Kumasi, Ghana
| | - Charles Nkansah
- Department of Medical Diagnostics, Faculty of Allied Health Sciences, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
| | - Samuel Kwasi Appiah
- Department of Medical Diagnostics, Faculty of Allied Health Sciences, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
| | - Mark Noagbe
- Department of Medical Diagnostics, Faculty of Allied Health Sciences, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
| | - Yasmine Hardy
- HIV Clinic, Komfo Anokye Teaching Hospital, Kumasi, Ghana
| | - David O. Ntiamoah
- Department of Medical Diagnostics, Faculty of Allied Health Sciences, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
- Department of Basic and Applied Biology, University of Energy and Natural Resource, Sunyani, Ghana
| | - Lillian Antwi Boateng
- Department of Medical Diagnostics, Faculty of Allied Health Sciences, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
| | - Max Efui Annani-Akollor
- Department of Molecular Medicine, School of Medicine and Dentistry, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
| | - Eddie-Williams Owiredu
- Department of Molecular Medicine, School of Medicine and Dentistry, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
| | - Alexander Yaw Debrah
- Department of Medical Diagnostics, Faculty of Allied Health Sciences, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
| | - Otchere Addai-Mensah
- Department of Medical Diagnostics, Faculty of Allied Health Sciences, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
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A novel G6PD deleterious variant identified in three families with severe glucose-6-phosphate dehydrogenase deficiency. BMC MEDICAL GENETICS 2020; 21:150. [PMID: 32680472 PMCID: PMC7367331 DOI: 10.1186/s12881-020-01090-2] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/30/2019] [Accepted: 07/08/2020] [Indexed: 12/28/2022]
Abstract
BACKGROUND Glucose-6-phosphate dehydrogenase deficiency (D-G6PD) is an X-linked recessive disorder resulted from deleterious variants in the housekeeping gene Glucose-6-phosphate 1-dehydrogenase (G6PD), causing impaired response to oxidizing agents. Screening for new variations of the gene helps with early diagnosis of D-G6PD resulting in a reduction of disease related complications and ultimately increased life expectancy of the patients. METHODS One thousand five hundred sixty-five infants with pathological jaundice were screened for G6PD variants by Sanger sequencing all of the 13 exons, and the junctions of exons and introns of the G6PD gene. RESULTS We detected G6PD variants in 439 (28.1%) of the 1565 infants with pathological jaundice. In total, 9 types of G6PD variants were identified in our cohort; and a novel G6PD missense variant c.1118 T > C, p.Phe373Ser in exon 9 of the G6PD gene was detected in three families. Infants with this novel variant showed decreased activity of G6PD, severe anemia, and pathological jaundice, consistent with Class I G6PD deleterious variants. Analysis of the resulting protein's structure revealed this novel variant affects G6PD protein stability, which could be responsible for the pathogenesis of D-G6PD in these patients. CONCLUSIONS High rates of G6PD variants were detected in infants with pathological jaundice, and a novel Class I G6PD deleterious variants was identified in our cohort. Our data reveal that variant analysis is helpful for the diagnosis of D-G6PD in patients, and also for the expansion of the spectrum of known G6PD variants used for carrier detection and prenatal diagnosis.
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Zaninoni A, Fermo E, Vercellati C, Marcello AP, Barcellini W, Bianchi P. Congenital Hemolytic Anemias: Is There a Role for the Immune System? Front Immunol 2020; 11:1309. [PMID: 32655575 PMCID: PMC7324678 DOI: 10.3389/fimmu.2020.01309] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2020] [Accepted: 05/22/2020] [Indexed: 01/19/2023] Open
Abstract
Congenital hemolytic anemias (CHAs) are a heterogeneous group of rare hereditary conditions including defects of erythrocyte membrane proteins, red cell enzymes, and disorders due to defective erythropoiesis. They are characterized by variable degree of anemia, chronic extravascular hemolysis, reduced erythrocyte life span, splenomegaly, jaundice, biliary lithiasis, and iron overload. Although few data are reported on the role of the immune system in CHAs, several immune-mediated mechanisms may be involved in the pathogenesis of these rare diseases. We reported in ~60% of patients with hereditary spherocytosis (HS), the presence of naturally-occurring autoantibodies (NAbs) directed against different membrane proteins (α- and β-spectrin, band 3, and dematin). Positive HS subjects showed a more hemolytic pattern and NAbs were more evident in aged erythrocytes. The latter is in line with the function of NAbs in the opsonization of damaged/senescent erythrocytes and their consequent removal in the spleen. Splenectomy, usually performed to reduce erythrocyte catheresis and improve Hb levels, has different efficacy in various CHAs. Median Hb increase is 3 g/dL in HS, 1.6–1.8 g/dL in pyruvate kinase deficiency (PKD), and 1 g/dL in congenital dyserythropoietic anemias (CDA) type II. Consistently with clinical severity, splenectomy is performed in 20% of HS, 45% of CDAII, and in 60% of PKD patients. Importantly, sepsis and thrombotic events have been registered, particularly in PKD with a frequency of ~7% for both. Furthermore, we analyzed the role of pro-inflammatory cytokines and found that interleukin 10 and interferon γ, and to a lesser extent interleukin 6, were increased in all CHAs compared with controls. Moreover, CDAII and enzymatic defects showed increased tumor necrosis factor-α and reduced interleukin 17. Finally, we reported that iron overload occurred in 31% of patients with membrane defects, in ~60% of CDAII cases, and in up to 82% of PKD patients (defined by MRI liver iron concentration >4 mg Fe/gdw). Hepcidin was slightly increased in CHAs compared with controls and positively correlated with ferritin and with the inflammatory cytokines interleukin 6 and interferon γ. Overall the results suggest the existence of a vicious circle between chronic hemolysis, inflammatory response, bone marrow dyserythropoiesis, and iron overload.
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Affiliation(s)
- Anna Zaninoni
- UOS Fisiopatologia delle Anemie, UOC Ematologia, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Elisa Fermo
- UOS Fisiopatologia delle Anemie, UOC Ematologia, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Cristina Vercellati
- UOS Fisiopatologia delle Anemie, UOC Ematologia, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Anna Paola Marcello
- UOS Fisiopatologia delle Anemie, UOC Ematologia, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Wilma Barcellini
- UOS Fisiopatologia delle Anemie, UOC Ematologia, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Paola Bianchi
- UOS Fisiopatologia delle Anemie, UOC Ematologia, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy
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Shen S, Xiong Q, Cai W, Xiong H, Hu X. A novel G6PD gene variant in a Chinese girl with favism. J Clin Lab Anal 2020; 34:e23402. [PMID: 32557798 PMCID: PMC7521235 DOI: 10.1002/jcla.23402] [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: 02/07/2020] [Revised: 04/21/2020] [Accepted: 04/28/2020] [Indexed: 12/22/2022] Open
Abstract
Background Glucose‐6‐phosphate dehydrogenase (G6PD) deficiency is the most common human enzymopathy. The human G6PD gene is highly polymorphic, and over 200 mutations have been identified, many of which are associated with hemolytic anemia. Here, we analyzed the clinical genetics data of a Chinese girl with favism who developed acute hemolytic anemia after fava bean ingestion. Methods The clinical genetics data of the proband who developed acute hemolytic anemia were collected and analyzed, and G6PD gene exons were sequenced in the proband and her family. Results We reported for the first time a novel G6PD gene variant in a Chinese girl, which we named “G6PD Wuhan.” This variant is localized exon 3 of the G6PD gene at genomic position 141G > C, that is a change from p.Lys47 to Asn. The bioinformatics analysis and protein modeling study indicated this variant may have negative effects on the enzyme activity of G6PD. Conclusions Our results indicated that favism in the proband was caused by this novel heterozygous variant (c.141G > C) in G6PD. The variant in G6PD has implications for genetic counseling and could provide insights into the functional roles of G6PD mutations.
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Affiliation(s)
- Shanshan Shen
- Wuhan Children's Hospital (Wuhan Maternal and Child Healthcare Hospital), Tongji Medical College, Huazhong University of Science & Technology, Wuhan City, China
| | - Qian Xiong
- Wuhan Children's Hospital (Wuhan Maternal and Child Healthcare Hospital), Tongji Medical College, Huazhong University of Science & Technology, Wuhan City, China
| | - Wenqian Cai
- Wuhan Children's Hospital (Wuhan Maternal and Child Healthcare Hospital), Tongji Medical College, Huazhong University of Science & Technology, Wuhan City, China
| | - Hao Xiong
- Wuhan Children's Hospital (Wuhan Maternal and Child Healthcare Hospital), Tongji Medical College, Huazhong University of Science & Technology, Wuhan City, China
| | - Xijiang Hu
- Wuhan Children's Hospital (Wuhan Maternal and Child Healthcare Hospital), Tongji Medical College, Huazhong University of Science & Technology, Wuhan City, China
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da Rocha J, Othman H, Tiemessen CT, Botha G, Ramsay M, Masimirembwa C, Adebamowo C, Choudhury A, Brandenburg JT, Matshaba M, Simo G, Gamo FJ, Hazelhurst S. G6PD variant distribution in sub-Saharan Africa and potential risks of using chloroquine/hydroxychloroquine based treatments for COVID-19. MEDRXIV : THE PREPRINT SERVER FOR HEALTH SCIENCES 2020:2020.05.27.20114066. [PMID: 32577690 PMCID: PMC7302299 DOI: 10.1101/2020.05.27.20114066] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Chloroquine/hydroxychloroquine have been proposed as potential treatments for COVID-19. These drugs have warning labels for use in individuals with glucose-6-phosphate dehydrogenase (G6PD) deficiency. Analysis of whole-genome sequence data of 458 individuals from sub-Saharan Africa showed significant G6PD variation across the continent. We identified nine variants, of which four are potentially deleterious to G6PD function, and one (rs1050828) that is known to cause G6PD deficiency. We supplemented data for the rs1050828 variant with genotype array data from over 11,000 Africans. Although this variant is common in Africans overall, large allele frequency differences exist between sub-populations. African sub-populations in the same country can show significant differences in allele frequency (e.g. 16.0% in Tsonga vs 0.8% in Xhosa, both in South Africa, ρ=2.4×10 -3 ). The high prevalence of variants in the G6PD gene found in this analysis suggests that it may be a significant interaction factor in clinical trials of chloroquine and hydrochloroquine for treatment of COVID-19 in Africans.
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Affiliation(s)
- Jorge da Rocha
- Sydney Brenner Institute for Molecular Bioscience, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
- Division of Human Genetics, National Health Laboratory Service, and School of Pathology, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
| | - Houcemeddine Othman
- Sydney Brenner Institute for Molecular Bioscience, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
| | - Caroline T. Tiemessen
- Centre for HIV and STIs, National Institute for Communicable Diseases, National Health Laboratory Services and Faculty of Health Sciences, University of the Witwatersrand, Johannesburg South Africa
| | - Gerrit Botha
- Computational Biology Division and H3ABioNet, Department of Integrative Biomedical Sciences, University of Cape Town, South Africa
| | - Michèle Ramsay
- Sydney Brenner Institute for Molecular Bioscience, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
- Division of Human Genetics, National Health Laboratory Service, and School of Pathology, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
| | - Collen Masimirembwa
- Sydney Brenner Institute for Molecular Bioscience, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
| | - Clement Adebamowo
- Institute for Human Virology, Abuja, Nigeria
- Institute of Human Virology and Greenebaum Comprehensive Cancer Center, University of Maryland School of Medicine, Baltimore, MD
| | - Ananyo Choudhury
- Sydney Brenner Institute for Molecular Bioscience, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
| | - Jean-Tristan Brandenburg
- Sydney Brenner Institute for Molecular Bioscience, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
| | - Mogomotsi Matshaba
- Botswana-Baylor Children’s Clinical Center of Excellence, Gaborone, Botswana
- Baylor College of Medicine, Houston, United States
| | - Gustave Simo
- Molecular Parasitology and Entomology Unit, Department of Biochemistry, Faculty of Science, University of Dschang, Dschang, Cameroon
| | | | - Scott Hazelhurst
- Sydney Brenner Institute for Molecular Bioscience, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
- School of Electrical & Information Engineering, University of the Witwatersrand, Johannesburg, South Africa
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Bogdanova A, Kaestner L, Simionato G, Wickrema A, Makhro A. Heterogeneity of Red Blood Cells: Causes and Consequences. Front Physiol 2020; 11:392. [PMID: 32457644 PMCID: PMC7221019 DOI: 10.3389/fphys.2020.00392] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2020] [Accepted: 04/02/2020] [Indexed: 12/21/2022] Open
Abstract
Mean values of hematological parameters are currently used in the clinical laboratory settings to characterize red blood cell properties. Those include red blood cell indices, osmotic fragility test, eosin 5-maleimide (EMA) test, and deformability assessment using ektacytometry to name a few. Diagnosis of hereditary red blood cell disorders is complemented by identification of mutations in distinct genes that are recognized "molecular causes of disease." The power of these measurements is clinically well-established. However, the evidence is growing that the available information is not enough to understand the determinants of severity of diseases and heterogeneity in manifestation of pathologies such as hereditary hemolytic anemias. This review focuses on an alternative approach to assess red blood cell properties based on heterogeneity of red blood cells and characterization of fractions of cells with similar properties such as density, hydration, membrane loss, redox state, Ca2+ levels, and morphology. Methodological approaches to detect variance of red blood cell properties will be presented. Causes of red blood cell heterogeneity include cell age, environmental stress as well as shear and metabolic stress, and multiple other factors. Heterogeneity of red blood cell properties is also promoted by pathological conditions that are not limited to the red blood cells disorders, but inflammatory state, metabolic diseases and cancer. Therapeutic interventions such as splenectomy and transfusion as well as drug administration also impact the variance in red blood cell properties. Based on the overview of the studies in this area, the possible applications of heterogeneity in red blood cell properties as prognostic and diagnostic marker commenting on the power and selectivity of such markers are discussed.
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Affiliation(s)
- Anna Bogdanova
- Red Blood Cell Research Group, Vetsuisse Faculty, The Zurich Center for Integrative Human Physiology (ZHIP), Institute of Veterinary Physiology, University of Zurich, Zurich, Switzerland
| | - Lars Kaestner
- Experimental Physics, Dynamics of Fluids, Faculty of Natural Sciences and Technology, Saarland University, Saarbrücken, Germany
- Theoretical Medicine and Biosciences, Medical Faculty, Saarland University, Homburg, Germany
| | - Greta Simionato
- Experimental Physics, Dynamics of Fluids, Faculty of Natural Sciences and Technology, Saarland University, Saarbrücken, Germany
- Institute for Clinical and Experimental Surgery, Saarland University, Homburg, Germany
| | - Amittha Wickrema
- Section of Hematology/Oncology, Department of Medicine, University of Chicago, Chicago, IL, United States
| | - Asya Makhro
- Red Blood Cell Research Group, Vetsuisse Faculty, The Zurich Center for Integrative Human Physiology (ZHIP), Institute of Veterinary Physiology, University of Zurich, Zurich, Switzerland
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Chaves A, Eandi Eberle S, Avalos Gomez V, Milanesio B, Fernandez D, Albero A, Aguirre F, Aizpurua L, Dieuzeide MP, Pepe C, Feliu-Torres A. Glucose 6 phosphate dehydrogenase deficiency: Description of a novel and de novo variant associated with chronic nonspherocytic hemolytic anemia. Clin Biochem 2020; 81:63-64. [PMID: 32387441 DOI: 10.1016/j.clinbiochem.2020.04.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2020] [Revised: 04/17/2020] [Accepted: 04/27/2020] [Indexed: 10/24/2022]
Affiliation(s)
- Alejandro Chaves
- Servicio de Hematología-Oncología, Hospital de Pediatría "Prof. Dr. Juan P. Garrahan,", Combate de los Pozos 1881, (C1245AAM) Buenos Aires, Argentina
| | - Silvia Eandi Eberle
- Servicio de Hematología-Oncología, Hospital de Pediatría "Prof. Dr. Juan P. Garrahan,", Combate de los Pozos 1881, (C1245AAM) Buenos Aires, Argentina
| | - Vanesa Avalos Gomez
- Servicio de Hematología-Oncología, Hospital de Pediatría "Prof. Dr. Juan P. Garrahan,", Combate de los Pozos 1881, (C1245AAM) Buenos Aires, Argentina
| | - Berenice Milanesio
- Servicio de Hematología-Oncología, Hospital de Pediatría "Prof. Dr. Juan P. Garrahan,", Combate de los Pozos 1881, (C1245AAM) Buenos Aires, Argentina
| | - Diego Fernandez
- Servicio de Hematología-Oncología, Hospital de Pediatría "Prof. Dr. Juan P. Garrahan,", Combate de los Pozos 1881, (C1245AAM) Buenos Aires, Argentina
| | - Agustina Albero
- Servicio de Hematología-Oncología, Hospital de Pediatría "Prof. Dr. Juan P. Garrahan,", Combate de los Pozos 1881, (C1245AAM) Buenos Aires, Argentina
| | - Fernando Aguirre
- Servicio de Hematología-Oncología, Hospital de Pediatría "Prof. Dr. Juan P. Garrahan,", Combate de los Pozos 1881, (C1245AAM) Buenos Aires, Argentina
| | - Luciana Aizpurua
- Servicio de Hematología-Oncología, Hospital de Pediatría "Prof. Dr. Juan P. Garrahan,", Combate de los Pozos 1881, (C1245AAM) Buenos Aires, Argentina
| | - Maria Paula Dieuzeide
- Servicio de Hematología-Oncología, Hospital de Pediatría "Prof. Dr. Juan P. Garrahan,", Combate de los Pozos 1881, (C1245AAM) Buenos Aires, Argentina
| | - Carolina Pepe
- Servicio de Hematología-Oncología, Hospital de Pediatría "Prof. Dr. Juan P. Garrahan,", Combate de los Pozos 1881, (C1245AAM) Buenos Aires, Argentina
| | - Aurora Feliu-Torres
- Servicio de Hematología-Oncología, Hospital de Pediatría "Prof. Dr. Juan P. Garrahan,", Combate de los Pozos 1881, (C1245AAM) Buenos Aires, Argentina.
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Effects of Single and Double Mutants in Human Glucose-6-Phosphate Dehydrogenase Variants Present in the Mexican Population: Biochemical and Structural Analysis. Int J Mol Sci 2020; 21:ijms21082732. [PMID: 32326520 PMCID: PMC7215812 DOI: 10.3390/ijms21082732] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2020] [Revised: 04/12/2020] [Accepted: 04/13/2020] [Indexed: 11/16/2022] Open
Abstract
Glucose-6-phosphate dehydrogenase (G6PD) deficiency is the most frequent human enzymopathy, affecting over 400 million people globally. Worldwide, 217 mutations have been reported at the genetic level, and only 19 have been found in Mexico. The objective of this work was to contribute to the knowledge of the function and structure of three single natural variants (G6PD A+, G6PD San Luis Potosi, and G6PD Guadalajara) and a double mutant (G6PD Mount Sinai), each localized in a different region of the three-dimensional (3D) structure. In the functional characterization of the mutants, we observed a decrease in specific activity, protein expression and purification, catalytic efficiency, and substrate affinity in comparison with wild-type (WT) G6PD. Moreover, the analysis of the effect of all mutations on the structural stability showed that its presence increases denaturation and lability with temperature and it is more sensible to trypsin digestion protease and guanidine hydrochloride compared with WT G6PD. This could be explained by accelerated degradation of the variant enzymes due to reduced stability of the protein, as is shown in patients with G6PD deficiency.
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DePina AJ, Pires CM, Andrade AJB, Dia AK, Moreira AL, Ferreira MCM, Correia AJ, Faye O, Seck I, Niang EHA. The prevalence of glucose-6-phosphate dehydrogenase deficiency in the Cape Verdean population in the context of malaria elimination. PLoS One 2020; 15:e0229574. [PMID: 32176714 PMCID: PMC7075545 DOI: 10.1371/journal.pone.0229574] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2019] [Accepted: 02/10/2020] [Indexed: 11/19/2022] Open
Abstract
Cabo Verde aims to eliminate malaria by 2020. In the country, Plasmodium falciparum had been the main parasite responsible for indigenous cases and primaquine is the first line treatment of cases and for radical cure. However, the lack of knowledge of the national prevalence of glucose-6-phosphate dehydrogenase (G6PD) deficiency may be one of the constraints to the malaria elimination process. Hence, this first study determines the prevalence of G6PD deficiency (G6PDd) in the archipelago. Blood samples were collected from patients who voluntarily agreed to participate in the study, in the health facilities of eight municipalities on four islands, tested with G6PD CareStart ™ deficiency Rapid Diagnosis Test (RDT). All subjects found to be G6PDd by RDT then underwent enzyme quantification by spectrophotometry. Descriptive statistics and inferences were done using SPSS 22.0 software. A total of 5.062 blood samples were collected, in majority from female patients (78.0%) and in Praia (35.6%). The RDT revealed the prevalence of G6PD deficiency in 2.5% (125/5062) of the general population, being higher in males (5.6%) than in females (1,6%). The highest G6PDd prevalence was recorded in São Filipe, Fogo, (5.4%), while in Boavista no case was detected. The G6PDd activity quantification shown a higher number of partially deficient and deficient males (respectively n = 26 and n = 22) compared to females (respectively n = 18 and n = 7), but more normal females (n = 35) than males (n = 11). According to the WHO classification, most of the G6PDd cases belongs to the class V (34.5%), while the Classes II and I were the less represented with respectively 5.8% and zero cases. This study in Cabo Verde determined the G6PDd prevalence in the population, relatively low compared to other African countries. Further studies are needed to characterize and genotyping the G6PD variants in the country.
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Affiliation(s)
- Adilson José DePina
- Programa Eliminação do Paludismo, CCS-SIDA, Ministério da Saúde e da Segurança Social, Praia, Cabo Verde
- Ecole Doctorale des Sciences de la Vie, de la Santé et de l´Environnement (ED-SEV), Université Cheikh Anta Diop (UCAD) de Dakar, Dakar, Sénégal
| | - Cecílio Mendes Pires
- Laboratório de Análises Clínicas, Hospital Regional de Santiago Norte, Assomada, Cabo Verde
| | | | - Abdoulaye Kane Dia
- Ecole Doctorale des Sciences de la Vie, de la Santé et de l´Environnement (ED-SEV), Université Cheikh Anta Diop (UCAD) de Dakar, Dakar, Sénégal
- Laboratoire d’Ecologie Vectorielle et Parasitaire, Faculté des Sciences et Techniques, Université Cheikh Anta Diop (UCAD) de Dakar, Dakar, Sénégal
| | - António Lima Moreira
- Programa Nacional de Luta contra o Paludismo, Ministério da Saúde e da Segurança Social, Praia, Cabo Verde
| | | | | | - Ousmane Faye
- Laboratoire d’Ecologie Vectorielle et Parasitaire, Faculté des Sciences et Techniques, Université Cheikh Anta Diop (UCAD) de Dakar, Dakar, Sénégal
| | - Ibrahima Seck
- Institut de Santé et Développement, Université Cheikh Anta Diop (UCAD) de Dakar, Dakar, Sénégal
| | - El Hadji Amadou Niang
- Laboratoire d’Ecologie Vectorielle et Parasitaire, Faculté des Sciences et Techniques, Université Cheikh Anta Diop (UCAD) de Dakar, Dakar, Sénégal
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