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https://www.readbyqxmd.com/read/29141760/glucose-6-phosphate-dehydrogenase-deficiency-genetic-variants-in-malaria-patients-in-southwestern-ethiopia
#1
Tamar E Carter, Seleshi Kebede Mekonnen, Karen Lopez, Victoria Bonnell, Lambodhar Damodaran, Abraham Aseffa, Daniel A Janies
Glucose-6-phosphate dehydrogenase (G6PD) deficiency is an X-linked erythrocyte enzyme disorder with relevance to malaria treatment policy. Treatment with the antimalarial primaquine can result in hemolytic anemia in G6PD-deficient patients. With increased interest in primaquine use, it is important to identify G6PD variants in Ethiopia to inform malaria treatment policy. In the present study, mutations in the G6PD gene are identified in a sample of patients with malaria in Jimma town in southwest Ethiopia. Plasmodium species of infection were confirmed using polymerase chain reaction (PCR) and gel electrophoresis...
October 30, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/29141719/chloroquine-primaquine-versus-chloroquine-alone-to-treat-vivax-malaria-in-afghanistan-an-open-randomized-superiority-trial
#2
Ghulam Rahim Awab, Mallika Imwong, Germana Bancone, Atthanee Jeeyapant, Nicholas P J Day, Nicholas J White, Charles J Woodrow
Afghanistan's national guidelines recommend primaquine (PQ) for radical treatment of Plasmodium vivax malaria, but this is rarely implemented because of concerns over potential hemolysis in patients who have G6PD deficiency. Between August 2009 and February 2014, we conducted an open-label, randomized controlled trial of chloroquine (CQ) alone versus chloroquine plus primaquine (0.25 mg base/kg/day for 14 days) (CQ+PQ) in patients aged 6 months and older with microscopy confirmed P. vivax infection. In the CQ+PQ group, G6PD deficiency was excluded by fluorescent spot testing...
October 30, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/29138396/polo-like-kinase-1-coordinates-biosynthesis-during-cell-cycle-progression-by-directly-activating-pentose-phosphate-pathway
#3
Xiaoyu Ma, Lin Wang, De Huang, Yunyan Li, Dongdong Yang, Tingting Li, Fudong Li, Linchong Sun, Haoran Wei, Kun He, Fazhi Yu, Debiao Zhao, Lan Hu, Songge Xing, Zhaoji Liu, Kui Li, Jing Guo, Zhenye Yang, Xin Pan, Ailing Li, Yunyu Shi, Junfeng Wang, Ping Gao, Huafeng Zhang
Two hallmarks for cancer cells are the accelerated cell cycle progression as well as the altered metabolism, however, how these changes are coordinated to optimize the growth advantage for cancer cells are still poorly understood. Here we identify that Polo-like kinase 1 (Plk1), a key regulator for cell mitosis, plays a critical role for biosynthesis in cancer cells through activating pentose phosphate pathway (PPP). We find that Plk1 interacts with and directly phosphorylates glucose-6-phosphate dehydrogenase (G6PD)...
November 15, 2017: Nature Communications
https://www.readbyqxmd.com/read/29127820/waterborne-zn-influenced-zn-uptake-and-lipid-metabolism-in-two-intestinal-regions-of-juvenile-goby-synechogobius-hasta
#4
Shi-Cheng Ling, Zhi Luo, Guang-Hui Chen, Dian-Guang Zhang, Xu Liu
The present study explored the influence of Zn addition in the water on Zn transport and lipid metabolism of two intestinal regions in goby Synechogobius hasta. Zn contents in water were 0.004 (control), 0.181 and 0.361mg Zn L(-1), respectively. The experiment lasted for 28 days. TG and Zn contents, mRNA contents of genes of Zn transport and lipid metabolism, and enzyme activity from anterior and mid-intestine tissues were analyzed. In anterior intestine, Zn addition in the water increased Zn contents, and mRNA concentrations of ZIP4, ZIP5, ATGL, PPARα, ZNF202 and KLF7, decreased TG contents, 6PGD and G6PD activities, and mRNA contents of 6PGD, G6PD, FAS, PPARγ, ICDH and KLF4...
November 8, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/29126676/deep-hypothermic-circulatory-arrest-in-a-patient-with-severe-g6pd-deficiency
#5
Genevieve E Staudt, Jason Zhensheng Qu
No abstract text is available yet for this article.
August 2, 2017: Journal of Cardiothoracic and Vascular Anesthesia
https://www.readbyqxmd.com/read/29119686/ketone-body-3-hydroxybutyrate-mimics-calorie-restriction-via-the-nrf2-activator-fumarate-in-the-retina
#6
Yusuke Izuta, Toshihiro Imada, Ryuji Hisamura, Erina Oonishi, Shigeru Nakamura, Emi Inagaki, Masataka Ito, Tomoyoshi Soga, Kazuo Tsubota
Calorie restriction (CR) being the most robust dietary intervention provides various health benefits. D-3-hydroxybutyrate (3HB), a major physiological ketone, has been proposed as an important endogenous molecule for CR. To investigate the role of 3HB in CR, we investigated potential shared mechanisms underlying increased retinal 3HB induced by CR and exogenously applied 3HB without CR to protect against ischemic retinal degeneration. The repeated elevation of retinal 3HB, with or without CR, suppressed retinal degeneration...
November 9, 2017: Aging Cell
https://www.readbyqxmd.com/read/29101015/dna-damage-metabolism-and-aging-in-pro-inflammatory-t-cells-rheumatoid-arthritis-as-a-model-system
#7
REVIEW
Yinyin Li, Jörg J Goronzy, Cornelia M Weyand
The aging process is the major driver of morbidity and mortality, steeply increasing the risk to succumb to cancer, cardiovascular disease, infection and neurodegeneration. Inflammation is a common denominator in age-related pathologies, identifying the immune system as a gatekeeper in aging overall. Among immune cells, T cells are long-lived and exposed to intense replication pressure, making them sensitive to aging-related abnormalities. In successful T cell aging, numbers of naïve cells, repertoire diversity and activation thresholds are preserved as long as possible; in maladaptive T cell aging, protective T cell functions decline and pro-inflammatory effector cells are enriched...
November 8, 2017: Experimental Gerontology
https://www.readbyqxmd.com/read/29097646/safety-of-weekly-primaquine-in-g6pd-deficient-patient-with-relapsing-vivax-malaria-a-case-report
#8
Deepali Savargaonkar, Md Zohaib Ahmed, Anupkumar R Anvikar, Neena Valecha
No abstract text is available yet for this article.
July 2017: Journal of Vector Borne Diseases
https://www.readbyqxmd.com/read/29082022/systematic-review-of-the-clinical-manifestations-of-glucose-6-phosphate-dehydrogenase-deficiency-in-the-greater-mekong-subregion-implications-for-malaria-elimination-and-beyond
#9
Ken Ing Cherng Ong, Hodaka Kosugi, Sophea Thoeun, Hitomi Araki, Moe Moe Thandar, Moritoshi Iwagami, Bouasy Hongvanthong, Paul T Brey, Shigeyuki Kano, Masamine Jimba
INTRODUCTION: To achieve malaria elimination in the Greater Mekong Subregion (GMS) by 2030, proper case management is necessary. 8-aminoquinolines, such as primaquine, are the only available medicines effective in preventing relapse of the hypnozoite stage of Plasmodium vivax, as well as the onward transmission of Plasmodium falciparum. However, primaquine can cause haemolysis in individuals who have glucose-6-phosphate dehydrogenase deficiency (G6PDd). We conducted a systematic review on the reported clinical manifestations of G6PDd to provide a comprehensive overview of the situation in the GMS...
2017: BMJ Global Health
https://www.readbyqxmd.com/read/29079593/hypoxia-modulates-the-purine-salvage-pathway-and-decreases-red-blood-cell-and-supernatant-levels-of-hypoxanthine-during-refrigerated-storage
#10
Travis Nemkov, Kaiqi Sun, Julie A Reisz, Anren Song, Tatsuro Yoshida, Andrew Dunham, Matthew J Wither, Richard O Francis, Robert C Roach, Monika Dzieciatkowska, Stephen C Rogers, Allan Doctor, Anastasios Kriebardis, Marianna Antonelou, Issidora Papassideri, Carolyn Young, Tiffany Thomas, Kirk C Hansen, Steven L Spitalnik, Yang Xia, James C Zimring, Eldad A Hod, Angelo D'Alessandro
Hypoxanthine catabolism in vivo is potentially dangerous as it fuels production of urate and, most importantly, hydrogen peroxide. However, it is unclear whether accumulation of intracellular and supernatant hypoxanthine in stored RBC units is clinically relevant for transfused recipients. Leukoreduced RBCs from G6PD-normal or -deficient human volunteers were stored in AS-3 under normoxic, hyperoxic, or hypoxic conditions (with SO2 ranging from <3 to >95%). RBCs from healthy human volunteers were also collected at sea level or after 1-7 days at high altitude (>5000m)...
October 27, 2017: Haematologica
https://www.readbyqxmd.com/read/29072585/biochemical-analysis-of-two-single-mutants-that-give-rise-to-a-polymorphic-g6pd-a-double-mutant
#11
Edson Jiovany Ramírez-Nava, Daniel Ortega-Cuellar, Hugo Serrano-Posada, Abigail González-Valdez, America Vanoye-Carlo, Beatriz Hernández-Ochoa, Edgar Sierra-Palacios, Jessica Hernández-Pineda, Eduardo Rodríguez-Bustamante, Roberto Arreguin-Espinosa, Jesús Oria-Hernández, Horacio Reyes-Vivas, Jaime Marcial-Quino, Saúl Gómez-Manzo
Glucose-6-phosphate dehydrogenase (G6PD) is a key regulatory enzyme that plays a crucial role in the regulation of cellular energy and redox balance. Mutations in the gene encoding G6PD cause the most common enzymopathy that drives hereditary nonspherocytic hemolytic anemia. To gain insights into the effects of mutations in G6PD enzyme efficiency, we have investigated the biochemical, kinetic, and structural changes of three clinical G6PD variants, the single mutations G6PD A+ (Asn126AspD) and G6PD Nefza (Leu323Pro), and the double mutant G6PD A- (Asn126Asp + Leu323Pro)...
October 26, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29069580/nicotinamide-prevents-sweet-beverage-induced-hepatic-steatosis-in-rats-by-regulating-the-g6pd-nadph-nadp-and-gsh-gssg-ratios-and-reducing-oxidative-and-inflammatory-stress
#12
Selene Ángeles Mejía, Luis Arturo Baiza Gutman, Clara Ortega Camarillo, Rafael Medina Navarro, Martha Catalina Sánchez Becerra, Leticia Damasio Santana, Miguel Cruz, Elizabeth Hernández Pérez, Margarita Díaz Flores
The disruption of redox state homeostasis, the overexpression of lipogenic transcription factors and enzymes, and the increase in lipogenic precursors induced by sweetened beverages are determinants of the development of nonalcoholic fatty liver disease. This study evaluated the action of nicotinamide (NAM) on the expression of glucose-6-phosphate dehydrogenase (G6PD) and redox, oxidative, and inflammatory states in a model of nonalcoholic hepatic steatosis induced by high and chronic consumption of carbohydrates...
October 22, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/29068590/vitamin-e-%C3%AE-tocopherol-attenuates-toxicity-and-oxidative-stress-induced-by-aflatoxin-in-rats
#13
Seval Yılmaz, Emre Kaya, Selim Comakli
BACKGROUND: Aflatoxins are toxic metabolites produced by Aspergillus flavus and Aspergillus parasiticus and are classified as group I carcinogens by the International Agency for Research on Cancer (IARC). OBJECTIVES: The purpose of this study was to investigate the possible preventive role of vitamin E (Vit E) on aflatoxin (AF) induced toxicity by using biochemical and histopathological approaches. MATERIAL AND METHODS: Wistar-Albino rats were divided into 4 groups as follows: control group, Vit E group (Vit E was administered), AFB1 group (a single dose of AFB1 was administered), AF + Vit E group (AF and Vit E were administered)...
September 2017: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
https://www.readbyqxmd.com/read/29065882/frequency-of-g6pd-mediterranean-in-individuals-with-and-without-malaria-in-southern-pakistan
#14
Bushra Moiz, Haroon Muhammad Arshad, Ahmed Raheem, Hasan Hayat, Najia Karim Ghanchi, M Asim Beg
BACKGROUND: Pakistan has an estimated annual burden of 1.5 million malaria cases. The current situation calls for an effective malaria control and eradication programme in this country. Currently, primaquine is an attractive option for eliminating reservoirs of Plasmodium vivax hypnozoites and killing gametocytes of Plasmodium falciparum. However, this drug causes haemolysis in individuals who are glucose-6-phosphate (G6PD) deficient. It is important to map G6PD deficiency and malaria distribution in Pakistan to design an effective malaria eradication regimen...
October 24, 2017: Malaria Journal
https://www.readbyqxmd.com/read/29021902/significantly-elevated-foetal-haemoglobin-levels-in-individuals-with-glucose-6-phosphate-dehydrogenase-disease-and-or-sickle-cell-trait-a-cross-sectional-study-in-cape-coast-ghana
#15
Patrick Adu, Essel K M Bashirudeen, Florence Haruna, Edward Morkporkpor Adela, Richard K D Ephraim
BACKGROUND: Previously published data have demonstrated that sickle red blood cells produce twice as much reactive oxygen species (ROS) suggesting that co-inheritance of sickle cell disease (SCD) and glucose 6-phosphate dehydrogenase (G6PD) enzymopathy could lead to more severe anaemia during sickling crises. Elevated foetal haemoglobin (Hb F) levels have been shown to have positive modulatory effects on sickling crises and disease outcomes. This study sought to assess how inheritance of G6PD enzymopathy affects the level of Hb F and haemoglobin concentration in adults in steady state...
2017: BMC Hematology
https://www.readbyqxmd.com/read/29020124/glucose-6-phosphate-dehydrogenase-deficiency-and-the-use-of-primaquine-top-down-and-bottom-up-estimation-of-professional-costs
#16
Henry Maia Peixoto, Marcelo Augusto Mota Brito, Gustavo Adolfo Sierra Romero, Wuelton Marcelo Monteiro, Marcus Vinícius Guimarães de Lacerda, Maria Regina Fernandes de Oliveira
The aim of this study has been to study whether the top-down method, based on the average value identified in the Brazilian Hospitalization System (SIH/SUS), is a good estimator of the cost of health professionals per patient, using the bottom-up method for comparison. The study has been developed from the context of hospital care offered to the patient carrier of glucose-6-phosphate dehydrogenase (G6PD) deficiency with severe adverse effect because of the use of primaquine, in the Brazilian Amazon. The top-down method based on the spending with SIH/SUS professional services, as a proxy for this cost, corresponded to R$60...
October 5, 2017: Revista de Saúde Pública
https://www.readbyqxmd.com/read/28993349/aspirin-safety-in-glucose-6-phosphate-dehydrogenase-deficiency-patients-with-acute-coronary-syndrome-undergoing-percutaneous-coronary-intervention
#17
Julien Feghaly, Abdul Rahman Al Hout, Mattew Mercieca Balbi
The use of aspirin, as part of a dual antiplatelet therapy regimen, is an established standard following coronary stenting in patients suffering from acute coronary syndrome (ACS). However, in glucose-6-phosphate dehydrogenase (G6PD) deficient patients, precaution is always taken with aspirin use, due to the risk of haemolysis. We reviewed all previous cases of G6PD deficient patients with ACS, in addition to a review of the available literature, to better understand the safety of aspirin use in this population...
October 9, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28988250/prevalence-of-glucose-6-phosphate-dehydrogenase-deficiency-in-neonates-in-egypt
#18
Soheir Abo Elella, Mahaa Tawfik, Naglaa Barseem, Wafaa Moustafa
BACKGROUND: Glucose-6-phosphate dehydrogenase (G6PD) deficiency is an X-linked disorder which causes neonatal jaundice in most cases, and under certain conditions, can cause a spectrum of hemolytic manifestations. OBJECTIVE: To determine the local prevalence of G6PD deficiency in newborns. DESIGN: Cross-sectional. SETTING: University hospital. METHODS: Infants born during 2015 were prospectively screened for G6PD deficiency...
September 2017: Annals of Saudi Medicine
https://www.readbyqxmd.com/read/28985689/effect-of-age-period-and-birth-cohort-on-the-frequency-of-glucose-6-phosphate-dehydrogenase-deficiency-in-sardinian-adults
#19
Giovanni Mario Pes, Alessandra Errigo, Angela Bitti, Maria Pina Dore
BACKGROUND: Glucose-6-phosphate dehydrogenase (G6PD) deficiency is an inherited disorder common in Sardinia. In this study, the frequency variation of G6PD-deficiency across age groups and birth cohorts was investigated using Age-Period-Cohort analysis. METHODS: Data were collected from the clinical records of 11,252 patients (6975 women, age range 17-94 years) who underwent endoscopy between 2000 and 2016 at a teaching hospital (University of Sassari), Italy. G6PD status was assessed by enzymatic assay based on G6PD/6GPD ratio...
October 16, 2017: Annals of Medicine
https://www.readbyqxmd.com/read/28982343/study-of-glucose-6-phosphate-dehydrogenase-deficiency-5-years-retrospective-egyptian-study
#20
Adel Abd Elhaleim Hagag, Ibrahim M Badraia, Mohamed S Elfarargy, Mohamed M Abd Elmageed, Ehab A Abo-Ali
BACKGROUND: Glucose-6-phosphate dehydrogenase (G6PD) deficiency is the most common enzyme deficiency worldwide that causes a spectrum of diseases including neonatal hyperbilirubinemia, acute and chronic hemolysis after exposure to an oxidative stress. AIM OF THE WORK: This five years retrospective study was carried out to study the demographic, clinical and laboratory data of 1000 patients with G6PD deficiency anemia registered in Hematology Unit, Pediatric Department, Tanta University Hospital...
October 3, 2017: Endocrine, Metabolic & Immune Disorders Drug Targets
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