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Heidari H, Lawrence DA. An integrative exploration of environmental stressors on the microbiome-gut-brain axis and immune mechanisms promoting neurological disorders. JOURNAL OF TOXICOLOGY AND ENVIRONMENTAL HEALTH. PART B, CRITICAL REVIEWS 2024; 27:233-263. [PMID: 38994870 DOI: 10.1080/10937404.2024.2378406] [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: 07/13/2024]
Abstract
The microbiome-gut-brain axis is altered by environmental stressors such as heat, diet, and pollutants as well as microbes in the air, water, and soil. These stressors might alter the host's microbiome and symbiotic relationship by modifying the microbial composition or location. Compartmentalized mutualistic microbes promote the beneficial interactions in the host leading to circulating metabolites and hormones such as insulin and leptin that affect inter-organ functions. Inflammation and oxidative stress induced by environmental stressors may alter the composition, distribution, and activities of the microbes in the microbiomes such that the resultant metabolite and hormone changes are no longer beneficial. The microbiome-gut-brain axis and immune adverse changes that may accompany environmental stressors are reviewed for effects on innate and adaptive immune cells, which may make host immunity less responsive to pathogens and more reactive to self-antigens. Cardiovascular and fluid exchanges to organs might adversely alter organ functionality. Organs, especially the brain, need a consistent supply of nutrients and clearance of debris; disruption of these exchanges by stressors, and involvement of gut microbiome are discussed regarding neural dysfunctions with Alzheimer's disease, autistic spectrum disorders, viral infections, and autoimmune diseases. The focus of this review includes the manner in which environmental stressors may disrupt gut microbiota leading to adverse immune and hormonal influences on development of neuropathology related to hyperhomocysteinemia, inflammation, and oxidative stress, and how certain therapeutics may be beneficial. Strategies are explored to lessen detrimental effects of environmental stressors on central and peripheral health navigated toward (1) understanding neurological disorders and (2) promoting environmental and public health and well-being.
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Affiliation(s)
- Hajar Heidari
- Department of Biomedical Sciences, University at Albany School of Public Health, Rensselaer, NY, USA
| | - David A Lawrence
- Department of Biomedical Sciences, University at Albany School of Public Health, Rensselaer, NY, USA
- Department of Environmental Health Sciences, University at Albany School of Public Health, Rensselaer, NY, USA
- New York State Department of Health, Wadsworth Center, Albany, NY, USA
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Tarcau BM, Negru A, Ghitea TC, Marian E. Is There a Connection between Hyperhomocysteinemia and the Cardiometabolic Syndrome? Biomedicines 2024; 12:1135. [PMID: 38927342 PMCID: PMC11200371 DOI: 10.3390/biomedicines12061135] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2024] [Revised: 05/17/2024] [Accepted: 05/19/2024] [Indexed: 06/28/2024] Open
Abstract
This study investigates the distribution of hyperhomocysteinemia and cardiovascular metabolic syndrome (SM) among participants, shedding light on their prevalence and co-occurrence within the study cohort. Through an analysis of demographic characteristics and health parameters, including age, gender, and body mass index (BMI), alongside nutritional data, correlations between these factors and health risks are explored. Results reveal a notable prevalence of hyperhomocysteinemia, with 45.3% of participants exhibiting this condition. Furthermore, 31.4% of the cohort does not present hyperhomocysteinemia or SM, while 23.3% shows SM without hyperhomocysteinemia. The study underscores gender-specific dietary recommendations due to significant variations in nutrient intake patterns. Additionally, inverse correlations between health risks like obesity, hypertension, and hypercholesterolemia and nutrient requirements highlight the need for tailored dietary interventions. Age-related changes in nutrient needs and the positive correlation between physical activity levels and certain nutrient demands further emphasize the importance of personalized dietary strategies. Variations in nutrient intake by gender, inverse correlations with health risks, and age-related changes underscore the need for tailored dietary strategies. These findings provide valuable insights for healthcare professionals in developing targeted nutritional interventions to mitigate disease risk and promote overall health and well-being.
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Affiliation(s)
- Bogdan Mihai Tarcau
- Doctoral School of Biological and Biomedical Sciences, University of Oradea, 410087 Oradea, Romania;
| | - Andra Negru
- Department of Internal Medicine, Iuliu Hatieganu University of Medicine and Pharmacy, 400347 Cluj-Napoca, Romania; (A.N.); (E.M.)
| | - Timea Claudia Ghitea
- Pharmacy Department, Faculty of Medicine and Pharmacy, University of Oradea, 410087 Oradea, Romania
| | - Eleonora Marian
- Department of Internal Medicine, Iuliu Hatieganu University of Medicine and Pharmacy, 400347 Cluj-Napoca, Romania; (A.N.); (E.M.)
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Ding T, Wen B, Chen J, Chu W, Fan R, Chen X. Excess homocysteine inhibits pancreatic β-cell secretory function by repressing Zbtb20 expression. Mol Cell Endocrinol 2024; 586:112195. [PMID: 38432501 DOI: 10.1016/j.mce.2024.112195] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/27/2023] [Revised: 02/22/2024] [Accepted: 02/25/2024] [Indexed: 03/05/2024]
Abstract
Homocysteine (Hcy) is a sulfur-containing amino acid. An elevated level of Hcy is a risk factor for diabetes development. However, the mechanism of its effect on pancreatic β-cell function is unclear. In this study, we constructed a hyperhomocysteinemia (HHcy) mouse model by feeding mice a high methionine diet (HMD). The mice suffered impaired glucose tolerance and reduced insulin secretion. Furthermore, at the cellular level, INS1 cells exhibited impaired insulin secretory function after the Hcy intervention. Transcriptomics revealed that Zbtb20 expression was downregulated and the downstream gene Fbp1 was upregulated in HHcy-induced mice compared with mice fed with normal diet. Insulin secretion could be restored by Zbtb20 overexpression or fructose 1,6-bisphosphatase (FBPase) activity inhibition in INS1 cells. In conclusion, our study suggested that Hcy inhibited the insulin secretory function of pancreatic β-cells by suppressing Zbtb20 expression, leading to the development of diabetes. Zbtb20 may be a key target in the development of diabetes associated with elevated Hcy levels.
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Affiliation(s)
- Tianqi Ding
- Tianjin Institute of Environmental and Operational Medicine, Tianjin, 300050, China
| | - Bo Wen
- Tianjin Institute of Environmental and Operational Medicine, Tianjin, 300050, China
| | - Jian Chen
- Tianjin Institute of Environmental and Operational Medicine, Tianjin, 300050, China
| | - Wenbin Chu
- Tianjin Institute of Environmental and Operational Medicine, Tianjin, 300050, China
| | - Rong Fan
- Tianjin Institute of Environmental and Operational Medicine, Tianjin, 300050, China; Central Laboratory, Tianjin Xiqing Hospital, Tianjin, 300380, China.
| | - Xuewei Chen
- Tianjin Institute of Environmental and Operational Medicine, Tianjin, 300050, China.
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Li H, Dang Y, Yan Y. Serum interleukin-17 A and homocysteine levels in children with autism. BMC Neurosci 2024; 25:17. [PMID: 38475688 DOI: 10.1186/s12868-024-00860-5] [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: 11/27/2023] [Accepted: 03/04/2024] [Indexed: 03/14/2024] Open
Abstract
BACKGROUND Autism Spectrum Disorder (ASD) is a neurodevelopmental condition that typically emerges early in childhood. This study aimed to explore the potential link between serum levels of vitamin B12 and homocysteine (Hcy) and the severity of ASD symptoms in children. METHODS In this study, 50 children diagnosed with ASD comprised the observation group, while 50 healthy children constituted the control group. Serum levels of IL-17 A, Hcy, folate, and vitamin B12 were compared between the study group and control group, as well as among children with different degrees of ASD severity. The correlation between the Childhood Autism Rating Scale (CARS) score and serum levels of IL-17 A, Hcy, folate, and vitamin B12 was examined. Additionally, the relationship between serum IL-17 A and Hcy levels and their association with the severity ASD were explored. RESULTS Compared to the control group, the observation group demonstrated elevated serum Hcy and IL-17 A levels alongside decreased folate and vitamin B12 levels. Individuals with severe ASD exhibited higher Hcy and IL-17 A levels but lower folate and vitamin B12 levels compared to those with mild to moderate ASD. The CARS score showed negative correlations with serum folate and vitamin B12 levels and positive correlations with serum IL-17 A and Hcy levels in ASD patients. Additionally, serum Hcy and IL-17 A levels were correlated with ASD severity. CONCLUSION Children diagnosed with ASD presented with reduced serum vitamin B12 levels and increased levels of Hcy, potentially contributing to the onset and severity of ASD.
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Affiliation(s)
- Hui Li
- Department of Child Health Care, Northwest Women's and Children's Hospital, 710061, Xi'an, China.
| | - Yunhao Dang
- Xi'an Mental Health Center, Department of Children and adolescents Psychology, 710061, Xi'an, China
| | - Ying Yan
- Department of Child Health Care, Xi'an Central Hospital, 710004, Xi'an, China
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Mazokopakis EE, Papadomanolaki MG, Papadakis JA. The effects of folinic acid and l-methylfolate supplementation on serum total homocysteine levels in healthy adults. Clin Nutr ESPEN 2023; 58:14-20. [PMID: 38056998 DOI: 10.1016/j.clnesp.2023.09.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Revised: 08/21/2023] [Accepted: 09/05/2023] [Indexed: 12/08/2023]
Abstract
BACKGROUND - AIM Hyperhomocysteinemia is recognized as a risk factor for several diseases and conditions. The aim of this study was to investigate and compare the efficacy of two total homocysteine (tHcy)-lowering treatments including folinic acid or l-methylfolate in healthy Greek adults. METHODS Two hundred and seventy-two healthy Greek adults (143 men, 129 women; mean age±SD: 43.0 ± 15.3 years), with serum tHcy levels ≥10 μmol/L received randomized folinic acid ("Folinic acid Group") or l-methylfolate ("l-methylfolate Group") orally for three months. All subjects with serum cobalamin (Cbl) levels <300 pg/mL additionally received 1 mg hydroxycobalamine intramuscularly twice a week for the first month only. Serum folate, Cbl and tHcy levels were determined using immunoassays methods at the beginning and the end of the study period. The MTHFR C677T and MTHFR A1298C gene polymorphisms were genotyped using polymerase chain reaction and reverse hybridization. RESULTS At the end of the 3-month intervention period, the levels of serum folate and Cbl increased significantly, whereas the levels of serum tHcy decreased significantly in the two groups. The individuals with MTHFR 677TT genotype had a significantly higher reduction in serum tHcy levels than the individuals with the MTHFR 677CC or MTHFR 677CT genotypes. Although the "Folinic acid Group" had a considerably higher increase in their serum folate levels (but not Cbl) than the "l-methylfolate Group", the reduction of serum tHcy levels between the two groups was not substantially different. The individuals with MTHFR 677CT genotype had a statistically significant higher reduction in serum tHcy levels when supplemented with folinic acid rather than l-methylfolate. CONCLUSIONS The administration of folinic acid compared to l-methylfolate caused a higher increase of serum folate levels but no difference in the reduction of serum tHcy levels. The reduction of serum tHcy levels was influenced by the existence of MTHFR C677T and not MTHFR A1298C gene polymorphisms. The individuals with MTHFR 677CT genotype appear to benefit more by folinic acid than l-methylfolate supplementation.
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Affiliation(s)
- Elias E Mazokopakis
- Department of Internal Medicine, Naval Hospital of Crete, Chania, Greece; Private Medical Office of Internal Medicine, Chania, Greece.
| | - Maria G Papadomanolaki
- School of Production Engineering and Management, Technical University of Crete, Chania, Greece
| | - John A Papadakis
- Department of Internal Medicine, University Hospital of Heraklion, Heraklion, Greece
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Sudershan A, Pushap AC, Kumar H, Kumar P. A Comprehensive Investigation into the Association Between Mthfr C677t, A1298c, and Ace I/D Variants and Risk of Migraine: an Updated Meta-Analysis of Genetic Association Studies with Trial Sequential Analysis and Meta-Regression. J Mol Neurosci 2023; 73:884-911. [PMID: 37843720 DOI: 10.1007/s12031-023-02164-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Accepted: 09/29/2023] [Indexed: 10/17/2023]
Abstract
Many homeostatic genes are thought to play a role in the susceptibility to migraine, making it a highly complex neurovascular disease. In this meta-analysis, our primary objective was to evaluate whether or not MTHFR variants (such as C677T and A1289C) and ACE I/D were associated with an increased risk of migraine. Using a PRISMA-based systematic literature-review guideline, internet sources such as PubMed and Google Scholar were searched to identify the genes of interest and migraine risk. To pool the data, odds ratios with 95% confidence intervals were calculated utilizing different genetic models. Cochran's Q Test and I2 statistics were used to access heterogeneity, while Begg's and Egger's tests were used to identify publication bias. All tests were two-sided, and a p-value of < 0.05 was regarded as statistically significant. The present meta-analysis observed that the C677T variant is significantly associated with the increased risk of migraine (allele model: OR:1.19, CI [1.07-1.33], I2 = 78%) and its clinical subtype i.e., MA (allele model: OR: 1.26, CI [1.09-1.45], I2 = 80%) in the overall population. Concerning the ACE- I/D, it significantly increased the risk of overall migraine and both clinical subtypes after utilizing the dominant genetic models (OR: 1.14, CI [1.01-1.29], I2% = 32). Concerning the MTHFR A1289C, only the codominant model (HR vs HT) and recessive model significantly increased the risk of overall migraine. Therefore, the findings of the present meta-analysis showed that MTHFR-C677T is an important risk factor for migraine and its clinical subtype.
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Affiliation(s)
- Amrit Sudershan
- Institute of Human Genetics, University of Jammu, Jammu and Kashmir 180006, Gujarbasti, Jammu, India
- Department of Human Genetics, Sri Pratap College, Cluster University of Srinagar, Jammu and Kashmir, Kashmir, 190001, India
| | - Agar Chander Pushap
- Department of Education, Dakshina Bharat Hindi Prachar Sabha, Madras, 600017, India
| | - Hardeep Kumar
- Department of Neurology, Super Specialty Hospital, Jammu and Kashmir 180006, Jammu, India
| | - Parvinder Kumar
- Institute of Human Genetics, University of Jammu, Jammu and Kashmir 180006, Gujarbasti, Jammu, India.
- Department of Zoology, University of Jammu, Jammu and Kashmir 180006, Gujarbasti, Jammu, India.
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Tandoro Y, Chen BK, Ali A, Wang CK. Review of Phytochemical Potency as a Natural Anti- Helicobacter pylori and Neuroprotective Agent. Molecules 2023; 28:7150. [PMID: 37894629 PMCID: PMC10609179 DOI: 10.3390/molecules28207150] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2023] [Revised: 10/13/2023] [Accepted: 10/13/2023] [Indexed: 10/29/2023] Open
Abstract
Phytochemicals are plant secondary metabolites that show health benefits for humans due to their bioactivity. There is a huge variety of phytochemicals that have already been identified, and these compounds can act as antimicrobial and neuroprotection agents. Due to their anti-microbial activity and neuroprotection, several phytochemicals might have the potency to be used as natural therapeutic agents, especially for Helicobacter pylori infection and neurodegenerative disease, which have become a global health concern nowadays. According to previous research, there are some connections between H. pylori infection and neurodegenerative diseases, especially Alzheimer's disease. Hence, this comprehensive review examines different kinds of phytochemicals from natural sources as potential therapeutic agents to reduce H. pylori infection and improve neurodegenerative disease. An additional large-scale study is needed to establish the connection between H. pylori infection and neurodegenerative disease and how phytochemicals could improve this condition.
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Affiliation(s)
- Yohanes Tandoro
- Department of Nutrition, Chung Shan Medical University, 110, Section 1, Jianguo North Road, Taichung 40201, Taiwan; (Y.T.); (B.-K.C.); (A.A.)
- Faculty of Agricultural Technology, Widya Mandala Catholic University Surabaya, Surabaya 60265, Indonesia
| | - Bo-Kai Chen
- Department of Nutrition, Chung Shan Medical University, 110, Section 1, Jianguo North Road, Taichung 40201, Taiwan; (Y.T.); (B.-K.C.); (A.A.)
| | - Asif Ali
- Department of Nutrition, Chung Shan Medical University, 110, Section 1, Jianguo North Road, Taichung 40201, Taiwan; (Y.T.); (B.-K.C.); (A.A.)
| | - Chin-Kun Wang
- Department of Nutrition, Chung Shan Medical University, 110, Section 1, Jianguo North Road, Taichung 40201, Taiwan; (Y.T.); (B.-K.C.); (A.A.)
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Veerabathiran R, Srinivasan K, Jayaprasad P, Iyshwarya B, Akram Husain R. Association of MTHFR gene polymorphism in preeclampsia and recurrent pregnancy loss: A case-control study from South India. HUMAN GENE 2023; 37:201199. [DOI: 10.1016/j.humgen.2023.201199] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/07/2023]
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Mazokopakis EE, Papadomanolaki MG, Papadakis JA. Associations of serum 25-hydroxyvitamin D with serum folate, cobalanin, and homocysteine concentrations and methylene tetrahydrofolate reductase (MTHFR) gene polymorphisms in healthy adults. Hormones (Athens) 2023; 22:491-499. [PMID: 37328700 DOI: 10.1007/s42000-023-00457-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/19/2022] [Accepted: 06/02/2023] [Indexed: 06/18/2023]
Abstract
AIM The aim of this study was to investigate the associations of serum 25-hydroxyvitamin D [25(OH)D] with various demographic, anthropometric, and genetic characteristics and biochemical parameters in healthy Greek adults. METHODS Demographic (age and sex), anthropometric (body mass index/BMI), and genetic (MTHFR gene polymorphisms) characteristics and biochemical parameters (serum folate, cobalamin/Cbl, and total homocysteine/tHcy concentrations), which had been recorded and measured, among others, in the framework of periodic medical examination (military personnel) or check-up (non-military personnel) of 383 healthy Greek adults (199 men and 184 women) were analyzed. Serum 25(OH)D, tHcy, folate, and Cbl levels were determined using immunoassay methods. The MTHFR C677T and A1298C gene polymorphisms were genotyped using polymerase chain reaction and reverse hybridization. RESULTS Serum 25(OH)D concentrations were correlated with Cbl levels and MTHFR C677T gene polymorphism, while they had a reverse correlation with serum tHcy levels, age, and BMI. There was no significant correlation between serum 25(OH)D concentrations and sex, serum folate levels, and smoking status. Individuals with the 677TT genotype had statistically significantly lower serum 25(OH)D levels than those with the 677CC or 677CT genotype, while individuals with the 1298CC genotype had statistically significantly higher serum 25(OH)D levels than those with 1298AA or 1298AC genotype. Moreover, the reverse correlation between the serum 25(OH)D and tHcy levels was statistically significant in all six MTHFR genotypes. CONCLUSIONS Serum 25(OH)D levels are associated with age, BMI, serum tHcy, and Cbl levels and MTHFR C677T gene polymorphism. The most significant finding of our study is the observed reverse correlation of serum 25(OH)D levels with serum tHcy levels. Considering that vitamin D deficiency and hyperhomocysteinemia (HHcy) are associated with an increased risk for cardiovascular diseases (CVDs), we suggest that individuals with high serum tHcy levels should be further investigated for, inter alia, their serum 25(OH)D levels.
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Affiliation(s)
- Elias E Mazokopakis
- Department of Internal Medicine, Naval Hospital of Crete, Chania, Greece.
- Private Medical Office of Internal Medicine, Chania, Greece.
| | - Maria G Papadomanolaki
- School of Production Engineering and Management, Technical University of Crete, Chania, Greece
| | - John A Papadakis
- Department of Internal Medicine, University Hospital of Heraklion, Heraklion, Greece
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Zhong X, He R, You S, Liu B, Wang X, Mao J. The Roles of Aerobic Exercise and Folate Supplementation in Hyperhomocysteinemia-Accelerated Atherosclerosis. ACTA CARDIOLOGICA SINICA 2023; 39:309-318. [PMID: 36911543 PMCID: PMC9999187 DOI: 10.6515/acs.202303_39(2).20221027a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 04/20/2022] [Accepted: 10/27/2022] [Indexed: 03/14/2023]
Abstract
Background Hyperhomocysteinemia (HHcy) is an independent risk factor for atherosclerosis. Effective interventions to reduce HHcy-accelerated atherosclerosis are required. Objectives This study aimed to investigate the effects of aerobic exercise (AE) and folate (FA) supplementation on plasma homocysteine (Hcy) level and atherosclerosis development in a mouse model. Methods Six-week-old female apoE-/- mice were grouped into five groups (N = 6-8): HHcy (1.8 g/L DL-homocysteine (DL-Hcy) in drinking water), HHcy + AE (1.8 g/L DL-Hcy and aerobic exercise training on a treadmill), HHcy + FA (1.8 g/L DL-Hcy and 0.006% folate in diet), HHcy + AE + FA (1.8 g/L DL-Hcy, 0.006% folate, and aerobic exercise training on a treadmill), and a control group (regular water and diet). All treatment was sustained for 8 weeks. Triglyceride, cholesterol, lipoprotein, and Hcy levels were determined enzymatically. Plaque and monocyte chemoattractant protein-1 (MCP-1) expression levels in mouse aortic roots were evaluated by immunohistochemistry. Results Compared to the HHcy group (18.88 ± 6.13 μmol/L), plasma Hcy concentration was significantly reduced in the HHcy + AE (14.79 ± 3.05 μmol/L, p = 0.04), HHcy + FA (9.4 ± 3.85 μmol/L, p < 0.001), and HHcy + AE + FA (9.33 ± 2.21 μmol/L, p < 0.001) groups. Significantly decreased aortic root plaque area and plaque burden were found in the HHcy + AE and HHcy + AE + FA groups compared to those in the HHcy group (both p < 0.05). Plasma MCP-1 level and MCP-1 expression in atherosclerotic lesions were significantly decreased in the HHcy + AE and HHcy + AE + FA groups compared to the HHcy group (all p < 0.05). Conclusions AE reduced atherosclerosis development in HHcy apoE-/- mice independently of reducing Hcy levels. FA supplementation decreased plasma Hcy levels without attenuating HHcy-accelerated atherosclerosis. AE and FA supplementation have distinct mechanisms in benefiting atherosclerosis.
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Affiliation(s)
- Xingming Zhong
- School of Kinesiology and Health, Capital University of Physical Education and Sports
| | - Rong He
- Department of Cardiology, Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University
| | - Shaohua You
- School of Kinesiology and Health, Capital University of Physical Education and Sports
| | - Bo Liu
- Department of Physiology, Peking University Health Center
| | - Xiujie Wang
- School of Kinesiology and Health, Capital University of Physical Education and Sports
| | - Jieming Mao
- Department of Cardiology, Peking University Third Hospital, Beijing, China
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Mazokopakis EE, Papadomanolaki MG, Papadakis JA. Associations of Serum Total Homocysteine Levels with Various Demographic, Clinical and Genetic Characteristics in Healthy Greek Adults. ACTA MEDICA (HRADEC KRALOVE) 2023; 66:61-67. [PMID: 37930095 DOI: 10.14712/18059694.2023.17] [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: 11/07/2023]
Abstract
AIM The aim of this study was to investigate the association of serum total Hcy (tHcy) levels with various demographic, clinical and genetic characteristics in healthy Greek adults. METHODS Anthropometric characteristics (height, weight), systolic and diastolic blood pressure, complete blood count and biochemical assessments, were recorded and measured among 383 Greek adults (199 men). Serum folate, Cobalamin (Cbl) and tHcy levels were determined using immunoassays methods. The MTHFR C677T and A1298C gene polymorphisms were genotyped using polymerase chain reaction and reverse hybridization. RESULTS MTHFR C677T gene polymorphism, serum folate and Cbl levels were correlated with serum tHcy levels independently. The individuals with 677TT genotype had significantly higher serum tHcy levels than individuals with 677 CC or CT genotypes. Regarding the MTHFR C677T gene polymorphism, the existence of the T allele was associated with statistically significantly lower serum folate and higher serum tHcy levels than C allele. Regarding the MTHFR A1298C gene polymorphism, the existence of the C allele was associated with statistically significant lower serum tHcy levels than A allele. Furthermore, there was no significant correlation between the serum tHcy levels and demographic (except age) or clinical characteristics (sex, BMI, smoking status, SBP, DBP, HGB, HCT, TC, TG, HDL-C, LDL-C, TC/HDL-C). CONCLUSIONS Serum tHcy levels are influenced by the existence of MTHFR C677T gene polymorphism (mainly 677TT genotype), serum folate and Cbl levels. Individuals with hyperhomocysteinemia should be further investigated for the existence of MTHFR C677T gene polymorphism, with the aim to determine the suitable treatment.
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Affiliation(s)
- Elias E Mazokopakis
- Department of Internal Medicine, Naval Hospital of Crete, Chania, Greece.
- Private Medical Office of Internal Medicine, Chania, Greece.
| | - Maria G Papadomanolaki
- School of Production Engineering and Management, Technical University of Crete, Chania, Greece
| | - John A Papadakis
- Department of Internal Medicine, University Hospital of Heraklion, Heraklion, Greece
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12
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Jiang H, Liu Z, Townsend JH, Wang J. Effects of Methylenetetrahydrofolate Reductase ( MTHFR) Polymorphisms on Retinal Tissue Perfusion in Mild Diabetic Retinopathy Patients Receiving the Medical Food, Ocufolin ®. Clin Ophthalmol 2023; 17:1121-1127. [PMID: 37077224 PMCID: PMC10106310 DOI: 10.2147/opth.s401743] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2023] [Accepted: 03/27/2023] [Indexed: 04/21/2023] Open
Abstract
Purpose We evaluate the effects of methylenetetrahydrofolate reductase (MTHFR) polymorphisms on retinal tissue perfusion in patients with mild diabetic retinopathy (DR + PM) taking the medical food, Ocufolin®, for 6 months. Methods Prospective, case-controlled study. Eight early diabetic retinopathy patients with common reduced function MTHFR polymorphisms (DR+PM) and 15 normal controls (NC) were recruited. MTHFR polymorphisms were subtyped as normal, C677T, or A1298C. Best corrected visual acuity (BCVA) was evaluated. Retinal blood flow velocity (BFV) was measured using Retinal Function Imager. Retinal tissue perfusion (RTP, blood flow rate per inner retinal volume) was calculated within a 2.5 mm diameter circle centered on the fovea. The medical food is intended to address ocular ischemia with high doses of vitamin B-complexes and antioxidants, including L-methylfolate, methylcobalamin, zinc, copper, lutein, vitamins C, D, E, and n-acetylcysteine. The subjects were provided with a medical food for a period of 6 months. Results BCVA and vascular indices of DR + PM patients at baseline were initially below those of NC and improved after medical food. Compared to baseline, DR + PM patients after the medical food had significantly improved BCVA during the follow-up period (P < 0.05). In comparison, overall RTP and arteriolar BFV were significantly increased at 6 months (P < 0.05). The changes varied with MTHFR subtypes. In patients with the C677T and the C677T/A1298C compound mutations, RTP was increased at 6 months as compared to that at baseline and 4 months (P < 0.05). In patients with only the A1298C mutation, all microcirculation metrics were increased from baseline at 4 and 6 months, but with less improvement at 6 months than at 4 months (P < 0.05). Conclusion Medical food was effective in improving both visual acuity and retinal tissue perfusion in DR + PM patients. The degree of improvement of retinal microcirculation varied among MTHFR subtypes.
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Affiliation(s)
- Hong Jiang
- Department of Ophthalmology, Bascom Palmer Eye Institute, University of Miami Miller School of Medicine, Miami, FL, USA
- Department of Neurology, University of Miami Miller School of Medicine, Miami, FL, USA
| | - Zhiping Liu
- Department of Ophthalmology, Bascom Palmer Eye Institute, University of Miami Miller School of Medicine, Miami, FL, USA
- Ophthalmic Center, the Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong, People’s Republic of China
| | - Justin H Townsend
- Department of Ophthalmology, Bascom Palmer Eye Institute, University of Miami Miller School of Medicine, Miami, FL, USA
| | - Jianhua Wang
- Department of Ophthalmology, Bascom Palmer Eye Institute, University of Miami Miller School of Medicine, Miami, FL, USA
- Correspondence: Jianhua Wang, Bascom Palmer Eye Institute, University of Miami, Miller School of Medicine, 1638 NW 10th Avenue, McKnight Building - Room 202A, Miami, FL, 33136, USA, Tel +1 305 482-5010, Fax +1 305 482-5012, Email
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13
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Parthasarathy S, Soundararajan P, Sakthivelu M, Karuppiah KM, Velusamy P, Gopinath SC, Pachaiappan R. The role of prognostic biomarkers and their implications in early detection of preeclampsia: A systematic review. Process Biochem 2023. [DOI: 10.1016/j.procbio.2023.01.017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
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14
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Obrenovich M, Singh SK, Li Y, Perry G, Siddiqui B, Haq W, Reddy VP. Natural Product Co-Metabolism and the Microbiota-Gut-Brain Axis in Age-Related Diseases. LIFE (BASEL, SWITZERLAND) 2022; 13:life13010041. [PMID: 36675988 PMCID: PMC9865576 DOI: 10.3390/life13010041] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/11/2022] [Revised: 12/15/2022] [Accepted: 12/19/2022] [Indexed: 12/28/2022]
Abstract
Complementary alternative medicine approaches are growing treatments of diseases to standard medicine practice. Many of these concepts are being adopted into standard practice and orthomolecular medicine. Age-related diseases, in particular neurodegenerative disorders, are particularly difficult to treat and a cure is likely a distant expectation for many of them. Shifting attention from pharmaceuticals to phytoceuticals and "bugs as drugs" represents a paradigm shift and novel approaches to intervention and management of age-related diseases and downstream effects of aging. Although they have their own unique pathologies, a growing body of evidence suggests Alzheimer's disease (AD) and vascular dementia (VaD) share common pathology and features. Moreover, normal metabolic processes contribute to detrimental aging and age-related diseases such as AD. Recognizing the role that the cerebral and cardiovascular pathways play in AD and age-related diseases represents a common denominator in their pathobiology. Understanding how prosaic foods and medications are co-metabolized with the gut microbiota (GMB) would advance personalized medicine and represents a paradigm shift in our view of human physiology and biochemistry. Extending that advance to include a new physiology for the advanced age-related diseases would provide new treatment targets for mild cognitive impairment, dementia, and neurodegeneration and may speed up medical advancements for these particularly devastating and debilitating diseases. Here, we explore selected foods and their derivatives and suggest new dementia treatment approaches for age-related diseases that focus on reexamining the role of the GMB.
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Affiliation(s)
- Mark Obrenovich
- Research Service, Department of Veteran’s Affairs Medical Center, Cleveland, OH 44106, USA
- Department of Chemistry, Case Western Reserve University, Cleveland, OH 44106, USA
- The Gilgamesh Foundation for Medical Science and Research, Cleveland, OH 44116, USA
- Department of Medicinal and Biological Chemistry, College of Pharmacy and Pharmaceutical Sciences, University of Toledo, Toledo, OH 43614, USA
- Departments of Chemistry and Biological and Environmental Sciences, Cleveland State University, Cleveland, OH 44115, USA
- Correspondence:
| | - Sandeep Kumar Singh
- Indian Scientific Education and Technology (ISET) Foundation, Lucknow 226002, India
| | - Yi Li
- Department of Nutrition and Dietetics, Saint Louis University, Saint Louis, MO 63103, USA
| | - George Perry
- Department of Neuroscience Developmental and Regenerative Biology, University of Texas, San Antonio, TX 78249, USA
| | - Bushra Siddiqui
- School of Medicine, Northeast Ohio College of Medicine, Rootstown, OH 44272, USA
| | - Waqas Haq
- School of Medicine, University of Pittsburgh, Pittsburgh, PA 15260, USA
| | - V. Prakash Reddy
- Department of Chemistry, Missouri University of Science and Technology, Rolla, MO 65409, USA
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15
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Raghavendra Prasad KU, Divya CT, Ramitha TS. Unilateral Blindness in Post Septoplasty Due to Homocysteinemia: A Rare Presentation. Indian J Otolaryngol Head Neck Surg 2022; 74:4784-4787. [PMID: 36742842 PMCID: PMC9895241 DOI: 10.1007/s12070-021-03066-x] [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: 09/05/2021] [Accepted: 12/27/2021] [Indexed: 02/07/2023] Open
Abstract
Septoplasty is a common operative procedure in ENT for correction of nasal septal deformity. Rarely it may result into devastating complication like vision loss. This may be related to other causes apart from septoplasty. The author presents a 27 yrs old male admitted to our hospital for septoplasty, 1 h after septoplasty the patient suffered from unilateral vision loss. After thorough examination and investigation the vision loss was found to be due to homocysteinemia. Hence homocysteinemia is one of the rare cause of vision loss in post septoplasty. Thus this is a rare presentation.
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Affiliation(s)
| | - C. T. Divya
- Department of ENT, Hassan Institute of Medical Sciences, Hassan, India
| | - T. S. Ramitha
- Department of ENT, Hassan Institute of Medical Sciences, Hassan, India
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16
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Bagrowski B. Perspectives for the application of neurogenetic research in programming Neurorehabilitation. Mol Aspects Med 2022; 91:101149. [PMID: 36253186 DOI: 10.1016/j.mam.2022.101149] [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: 04/12/2022] [Revised: 10/01/2022] [Accepted: 10/05/2022] [Indexed: 11/06/2022]
Abstract
Certain genetic variants underlie the proper functioning of the nervous system. They affect the nervous system in all aspects - molecular, systemic, cognitive, computational and sensorimotor. The greatest changes in the nervous system take place in the process of its maturation in the period of psychomotor development, as well as during neurorehabilitation, the task of which is to rebuild damaged neuronal pathways, e.g. by facilitating movement or training cognitive functions. Certain genetic polymorphisms affect the effectiveness of the processes of reconstruction or restoration of neural structures, which is clearly reflected in the effects of neurorehabilitation. This review presents the perspectives for the application of neurogenetic research in programming neurorehabilitation by determining the relationship of as many as 16 different genetic polymorphisms with specific functions of importance in rehabilitation. Thanks to this broad view, it may be possible to predict the effectiveness of rehabilitation on the basis of genetic testing, which would significantly contribute to the development of personalized medicine and to the optimal management of medical services in healthcare systems.
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Affiliation(s)
- Bartosz Bagrowski
- Poznan University of Medical Sciences, Department of Mother and Child Health, Department of Practical Training in Obstetrics, Poland; Gynecology and Obstetrics Clinical Hospital of Poznan University of Medical Sciences, Rehabilitation Center for Children, Poland.
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17
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Mondal P, Yarger JL. Synthesis and Characterization of 1 H-Imidazole-4,5-dicarboxylic Acid-Functionalized Silver Nanoparticles: Dual Colorimetric Sensors of Zn 2+ and Homocysteine. ACS OMEGA 2022; 7:33423-33431. [PMID: 36157721 PMCID: PMC9494438 DOI: 10.1021/acsomega.2c04165] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/02/2022] [Accepted: 08/26/2022] [Indexed: 06/16/2023]
Abstract
A colorimetric assay has been developed for Zn2+ and homocysteine (Hcy) detection using functionalized silver nanoparticles (AgNPs). AgNPs have been synthesized using silver nitrate, where sodium citrate is used as a stabilizing agent and NaBH4 as a reducing agent. Then, the nanoparticles (citrate@AgNPs) were functionalized with 1H-imidazole-4,5-dicarboxylic acid (IDCA). UV-visible and FTIR spectra suggested that IDCA was functionalized on the surface of citrate@AgNPs through the N atom of the imidazole ring. The IDCA-functionalized silver nanoparticles (IDCA@AgNPs) simultaneously detected Zn2+ and Hcy from aqueous solution and showed different responses to the two analytes (Zn2+ and Hcy) based on the aggregation-induced color change of IDCA@AgNPs. They showed the color change from yellow to red, which was easily discriminated by visual inspection as well as UV-visible spectroscopy. The surface plasmon resonance absorbance values of Zn2+ and Hcy are 485 and 512 nm, respectively, when Zn2+ and Hcy react with IDCA@AgNPs. IDCA@AgNPs showed linearity with Zn2+ and Hcy concentrations, with the detection limit of 2.38 μM and 0.54 nM, respectively (S/N = 3). The IDCA@AgNPs showed excellent selectivity toward Zn2+ and Hcy compared to the different metal ions and amino acids, respectively. Optimal detection was achieved toward Zn2+ and Hcy in the pH range 3-10. In addition, IDCA@AgNPs were used to detect Zn2+ and Hcy from lake water, showing low interference.
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Affiliation(s)
- Palash Mondal
- School
of Molecular Sciences, Arizona State University, Tempe, Arizona 85287-1604, United States
| | - Jeffery L. Yarger
- School
of Molecular Sciences, Arizona State University, Tempe, Arizona 85287-1604, United States
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18
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Long P, Wang H, Zhang Z, Li W, Zhang Y, He S, Yu K, Jiang H, Liu X, Guo H, He M, Zhang X, Wu T, Yuan Y. Plasma metal concentrations and their interactions with genetic susceptibility on homocysteine levels. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2022; 241:113705. [PMID: 35687997 DOI: 10.1016/j.ecoenv.2022.113705] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/19/2022] [Revised: 05/09/2022] [Accepted: 05/24/2022] [Indexed: 06/15/2023]
Abstract
Limited studies have evaluated the associations of multiple metal exposures with homocysteine (Hcy) levels, which were independent risk factor for cardiovascular disease (CVD). Furthermore, the interactions between genetic variants and plasma metals in relation to Hcy levels were largely unknown. We aimed to explore the associations of multiple plasma metals (including metalloids arsenic [As] and selenium [Se]) with Hcy levels and whether their associations were modified by genetic susceptibility. We included 2989 participants from the baseline of the Dongfeng-Tongji cohort (DFTJ cohort) and conducted a cross-sectional study to explore the associations of 17 plasma metals with serum Hcy levels. Both multi-variable linear regression model (single-metal model) and LASSO penalized regression model (multiple-metal model) were used to identify the Hcy-associated metals. The weighted genetic risk score (GRS) was calculated based on 18 established Hcy-associated genetic variants. For metals that were associated with Hcy, we further assessed the gene-metal interactions on Hcy levels. Among 17 metals, plasma molybdenum (Mo), strontium (Sr), and Zinc (Zn) were positively associated with Hcy levels, whereas Se was inversely associated with Hcy levels in both single- and multiple-metal models. We also observed that the genetic predisposition to Hcy significantly modified the association between plasma Se and serum Hcy levels (P for interaction = 0.003), while no significant gene-metal interactions were found for Mo, Sr, and Zn (all P for interactions > 0.05). These findings provide novel insight into the associations of the plasma concentrations of Mo, Se, Sr and Zn with Hcy levels and address the importance of Se as a potential upstream modifiable factor for the personalized prevention of elevated Hcy levels and CVD.
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Affiliation(s)
- Pinpin Long
- Department of Occupational and Environmental Health, Key Laboratory of Environment and Health, Ministry of Education and State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Hao Wang
- Department of Occupational and Environmental Health, Key Laboratory of Environment and Health, Ministry of Education and State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Zirui Zhang
- Department of Occupational and Environmental Health, Key Laboratory of Environment and Health, Ministry of Education and State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Wending Li
- Department of Occupational and Environmental Health, Key Laboratory of Environment and Health, Ministry of Education and State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yizhi Zhang
- Department of Occupational and Environmental Health, Key Laboratory of Environment and Health, Ministry of Education and State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Shiqi He
- Department of Occupational and Environmental Health, Key Laboratory of Environment and Health, Ministry of Education and State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Kuai Yu
- Department of Occupational and Environmental Health, Key Laboratory of Environment and Health, Ministry of Education and State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Haijing Jiang
- Department of Occupational and Environmental Health, Key Laboratory of Environment and Health, Ministry of Education and State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Xuezhen Liu
- Department of Occupational and Environmental Health, Key Laboratory of Environment and Health, Ministry of Education and State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Huan Guo
- Department of Occupational and Environmental Health, Key Laboratory of Environment and Health, Ministry of Education and State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Meian He
- Department of Occupational and Environmental Health, Key Laboratory of Environment and Health, Ministry of Education and State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Xiaomin Zhang
- Department of Occupational and Environmental Health, Key Laboratory of Environment and Health, Ministry of Education and State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Tangchun Wu
- Department of Occupational and Environmental Health, Key Laboratory of Environment and Health, Ministry of Education and State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yu Yuan
- Department of Occupational and Environmental Health, Key Laboratory of Environment and Health, Ministry of Education and State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
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19
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Rotaru M, Iancu G, Baldovin I. A prospective study on hyperhomocysteinemia as an aggravating factor in chronic venous insufficiency. Exp Ther Med 2022; 24:449. [DOI: 10.3892/etm.2022.11376] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2022] [Accepted: 10/14/2022] [Indexed: 11/06/2022] Open
Affiliation(s)
- Maria Rotaru
- Department of Dermatology, Faculty of Medicine, ‘Lucian Blaga’ University of Sibiu, 550169 Sibiu, Romania
| | - Gabriela Iancu
- Department of Dermatology, Faculty of Medicine, ‘Lucian Blaga’ University of Sibiu, 550169 Sibiu, Romania
| | - Ioana Baldovin
- Clinic of Dermatology, County Emergency Hospital of Sibiu, 550245 Sibiu, Romania
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20
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Kucha W, Seifu D, Tirsit A, Yigeremu M, Abebe M, Hailu D, Tsehay D, Genet S. Folate, Vitamin B12, and Homocysteine Levels in Women With Neural Tube Defect-Affected Pregnancy in Addis Ababa, Ethiopia. Front Nutr 2022; 9:873900. [PMID: 35464038 PMCID: PMC9033285 DOI: 10.3389/fnut.2022.873900] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2022] [Accepted: 03/08/2022] [Indexed: 11/21/2022] Open
Abstract
Background Neural tube defects (NTDs) are prevalent congenital defects associated with pre-pregnancy diet with low levels of maternal folate. They are linked to severe morbidity, disability, and mortality, as well as psychological and economic burdens. Objective The goal of this study was to determine the levels of folate, vitamin B12, and homocysteine in the blood of women who had a pregnancy impacted by NTDs. Subjects and Methods A hospital-based case–control study was undertaken between September 2019 and August 2020. The study comprised a total of 100 cases and 167 controls. Enzyme-linked immunosorbent assay (ELISA) was used to determine the levels of folate, vitamin B12, and homocysteine in the serum. Results Only 39% of the cases and 54.5% of control mothers reported periconceptional use of folic acid/multivitamin, which indicated a statistically significant difference (p = 0.014). Logistic regression indicated that periconceptional use of folic acid/multivitamin was associated with NTDs (p = 0.015, OR = 1.873, 95% CI: 1.131–3.101). We found that 57% of the cases and 33.5% of controls, as well as 43% of cases and 20.4% of controls had serum folate and vitamin B12 levels below the cut-off value, respectively. Twenty-seven percent of the cases and 6.6% of controls had hyperhomocysteinemia (HHcy). The median concentrations of folate, vitamin B12, and homocysteine in cases and controls were 4.78 and 8.86 ng/ml; 266.23 and 455 pg/ml; 13.43 and 9.7 μmol/l, respectively. The median concentration of folate (p < 0.001) and vitamin B12 (p < 0.001) were significantly lower in the cases than controls, while the homocysteine concentration (p < 0.001) was significantly lower in the controls than cases. Folate [OR (95% CI) = 1.652 (1.226–2.225; p = 0.001)], vitamin B12 [OR (95% CI) = 1.890 (1.393–2.565; p < 0.001], and homocysteine [OR (95% CI) = 0.191 (0.09–0.405; p < 0.001)] levels were associated with NTDs. Conclusion Folate and vitamin B12 are deficient in both cases and control mothers. The lower levels of folate and vitamin B12 with an elevated homocysteine level in NTD-affected pregnancy may be an indication that these biochemical variables were risk factors for NTDs. Folate/multivitamin supplementation and/or food fortification should be promoted.
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Affiliation(s)
- Winner Kucha
- Department of Biochemistry, School of Medicine, College of Health Sciences, Addis Ababa University, Addis Ababa, Ethiopia
- *Correspondence: Winner Kucha
| | - Daniel Seifu
- Biochemistry Division of Basic Sciences, University of Global Health Equity, Kigali, Rwanda
| | - Abenezer Tirsit
- Neurosurgery Unit, School of Medicine, College of Health Science, Addis Ababa University, Addis Ababa, Ethiopia
| | - Mahlet Yigeremu
- Department of Obstetrics and Gynecology, School of Medicine, College of Health Sciences, Addis Ababa University, Addis Ababa, Ethiopia
| | - Markos Abebe
- Armauer Hansen Research Institute, Addis Ababa, Ethiopia
| | - Dawit Hailu
- Armauer Hansen Research Institute, Addis Ababa, Ethiopia
| | | | - Solomon Genet
- Department of Biochemistry, School of Medicine, College of Health Sciences, Addis Ababa University, Addis Ababa, Ethiopia
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21
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Choi JH, Seo JW, Lee MY, Lee YT, Yoon KJ, Park CH. Association between Elevated Plasma Homocysteine and Low Skeletal Muscle Mass in Asymptomatic Adults. Endocrinol Metab (Seoul) 2022; 37:333-343. [PMID: 35144330 PMCID: PMC9081311 DOI: 10.3803/enm.2021.1202] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/22/2021] [Revised: 11/02/2021] [Accepted: 11/29/2021] [Indexed: 11/11/2022] Open
Abstract
BACKGROUND Homocysteine has been drawing attention with a closed linkage with skeletal muscle. However, the association of hyperhomocysteinemia with decreased skeletal muscle mass remains unclear. We aimed to investigate the association of hyperhomocysteinemia with low skeletal muscle mass (LMM) in asymptomatic adults. METHODS This was a cross-sectional study of 114,583 community-dwelling adults without cancer, stroke, or cardiovascular diseases who underwent measurements of plasma homocysteine and body composition analysis from 2012 to 2018. Hyperhomocysteinemia was defined as >15 μmol/L. Skeletal muscle mass index (SMI) was calculated based on appendicular muscle mass (kg)/height (m)2. Participants were classified into three groups based on SMI: "normal," "mildly low," and "severely low." RESULTS The prevalence of hyperhomocysteinemia was the highest in subjects with severely LMM (12.9%), followed by those with mildly LMM (9.8%), and those with normal muscle mass (8.5%) (P for trend <0.001). In a multivariable logistic regression model, hyperhomocysteinemia was significantly associated with having a mildly LMM (odds ratio [OR], 1.305; 95% confidence interval [CI], 1.224 to 1.392) and severely LMM (OR, 1.958; 95% CI, 1.667 to 2.286), respectively. One unit increment of log-transformed homocysteine was associated with 1.360 and 2.169 times higher risk of having mildly LMM and severely LMM, respectively. CONCLUSION We demonstrated that elevated homocysteine has an independent association with LMM in asymptomatic adults, supporting that hyperhomocysteinemia itself can be a risk for decline in skeletal musculature.
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Affiliation(s)
- Jae-Hyeong Choi
- Department of Physical and Rehabilitation Medicine, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Jin-Woo Seo
- Department of Physical and Rehabilitation Medicine, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Mi-Yeon Lee
- Division of Biostatistics, Department of R&D Management, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Yong-Taek Lee
- Department of Physical and Rehabilitation Medicine, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Kyung Jae Yoon
- Department of Physical and Rehabilitation Medicine, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Korea
- Medical Research Institute, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Chul-Hyun Park
- Department of Physical and Rehabilitation Medicine, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Korea
- Medical Research Institute, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Korea
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22
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Cheng M, Xue H, Li X, Yan Q, Zhu D, Wang Y, Shi Y, Fu C. Prevalence of hyperhomocysteinemia (HHcy) and its major determinants among hypertensive patients over 35 years of age. Eur J Clin Nutr 2022; 76:616-623. [PMID: 34462555 DOI: 10.1038/s41430-021-00983-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2020] [Revised: 06/21/2021] [Accepted: 07/06/2021] [Indexed: 02/07/2023]
Abstract
OBJECTIVE Hyperhomocysteinemia (HHcy) and hypertension are associated with cardiovascular events. However, effects of Hcy-lowing interventions on cardiovascular outcome were conflicting. Serum folate level was proposed to be a possible determinant of efficacy of extra folate supplementation on cardiovascular outcome. The aims of the present study were to describe representative information on the levels of serum homocysteine and folate in hypertensive patients, and to explore the major determinants of HHcy. METHODS 11,007 participants with hypertension were analyzed in this cross-sectional study. Blood pressure and serum levels of biochemical indicators were measured. Multivariate logistic regression model was used to assess the associated factors of HHcy. RESULTS Geometric mean of serum total homocysteine was 14.1 (95% CI: 13.9, 14.4) μmol/L and prevalence of HHcy was 36.1 (95% CI: 34.0, 38.1) % in hypertensive patients. HHcy was strongly associated with factors including male sex, older age, elevated serum creatinine (SCr), lower serum folate and vitamin B12, and uncontrolled blood pressure in hypertensive patients. Elevated SCr attributed to HHcy with the etiologic fraction of 0.29. The change of the odds ratio of HHcy associated with folate was significantly higher in patients with elevated SCr compared with that of patients with normal SCr. CONCLUSION The results suggested the protection of female sex and higher levels of folate and vitamin B12 from HHcy and attribution of older age and elevated SCr to HHcy. Restoring renal function deserved attention for hypertensive patients to benefit from Hcy-lowing measures.
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Affiliation(s)
- Minna Cheng
- Division of Chronic Non-communicable Disease and Injury, Shanghai Municipal Center for Disease Control and Prevention, Shanghai, China.
| | - Hong Xue
- Shanghai Key Laboratory of Bioactive Small Molecules and Shanghai Key Laboratory of Clinical Geriatric Medicine, Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Fudan University, Shanghai, China
| | - Xinjian Li
- Division of Chronic Non-communicable Disease and Injury, Shanghai Municipal Center for Disease Control and Prevention, Shanghai, China
| | - Qinghua Yan
- Division of Chronic Non-communicable Disease and Injury, Shanghai Municipal Center for Disease Control and Prevention, Shanghai, China
| | - Dingliang Zhu
- Research Center for Hypertension Management and Prevention in Community, Shanghai Key Laboratory of Hypertension, Shanghai Institute of Hypertension, State Key Laboratory of Medical Genomics, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Yan Wang
- Research Center for Hypertension Management and Prevention in Community, Shanghai Key Laboratory of Hypertension, Shanghai Institute of Hypertension, State Key Laboratory of Medical Genomics, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Yan Shi
- Division of Chronic Non-communicable Disease and Injury, Shanghai Municipal Center for Disease Control and Prevention, Shanghai, China. .,National Clinical Research Center for Aging and Medicine, Huashan Hospital, Fudan University, Shanghai, China.
| | - Chen Fu
- Division of Chronic Non-communicable Disease and Injury, Shanghai Municipal Center for Disease Control and Prevention, Shanghai, China.
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23
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Ding Y, Wang Q, Gong CX. Hydrocephalus presented as the prominent symptom of severe 5,10-methylenetetrahydrofolate reductase deficiency in an infant: A case report. MEDICINE INTERNATIONAL 2022; 2:12. [PMID: 36699103 PMCID: PMC9829199 DOI: 10.3892/mi.2022.37] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/10/2021] [Accepted: 03/28/2022] [Indexed: 06/17/2023]
Abstract
Hyperhomocysteinemia is a common medical condition observed in patients with aminoaciduria. Deficiency in cystathionine beta-synthase, metabolism of cobalamin associated C, peroxiredoxin 1, 5-methyltetrahydrofolate-homocysteine methyltransferase reductase, LMBR1 domain containing 1, 5-methyltetrahydrofolate-homocysteine methyltransferase or 5,10-methylenetetrahydrofolate reductase (MTHFR) all can result in an elevation in plasma homocysteine, which has been reported to be a risk factor of vascular events, such as atherosis, acute myocardial infarction and cerebral stroke. Hyperhomocysteinemia due to the deficiency of 5,10-methylenetetrahydrofolate reductase (MTHFR; also known as 5,10-methyl THR reductase) is an autosomal recessive rare disease caused by defects in the MTHFR gene. The clinical manifestations of this disorder are heterogeneous, ranging from asymptomatic to severe neurological disorders. However, hydrocephalus has seldomly been reported in patients with MTHFR deficiency. The present study thus describes a case of severe MTHFR deficiency in an infant, whose main manifestation was hydrocephalus. The clinical course and genotype of the patient were also examined. Specifically, a 4-month-old boy with hydrocephalus was admitted to hospital. Clinical examinations and genetic sequencing of the patient were performed to determine the probable causative factors. A physical examination revealed that the patient had developmental delay and progressive hydrocephalus. Amino acid analysis of the blood revealed an enhancement in serum homocysteine levels and a decrease in blood methionine and free carnitine levels. The organic acid levels in urine were normal. Therefore, he was diagnosed with hyperhomocysteinemia. Targeted next-generation sequencing was performed to determine the pathogenetic gene in this case. A paternal mutation c.1530G>A (p.K510K) and a maternal mutation c.233C>A (p.S78X) were identified. Previous experimental evidence indicated that these two mutations were all pathogenic; therefore, this patient was ultimately diagnosed with MTHFR deficiency. The patient in described herein study presented with severe progressive hydrocephalus in association with a delayed developmental milestone. According to the clinical and genetic tests, the patient was diagnosed with severe MTHFR deficiency. It thus is recommended that screening for metabolites and performing gene sequencing in infants presenting with undisclosed hydrocephalus.
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Affiliation(s)
- Yuan Ding
- Department of Endocrinology, Genetics and Metabolism, Beijing Children's Hospital, Capital Medical University, National Centre for Children's Health, Beijing 100045, P.R. China
| | - Qiao Wang
- Department of Endocrinology, Genetics and Metabolism, Beijing Children's Hospital, Capital Medical University, National Centre for Children's Health, Beijing 100045, P.R. China
| | - Chun-Xiu Gong
- Department of Endocrinology, Genetics and Metabolism, Beijing Children's Hospital, Capital Medical University, National Centre for Children's Health, Beijing 100045, P.R. China
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24
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Tabatabaei-Panah PS, Moravvej H, Hajihasani M, Mousavi M, Ludwig RJ, Akbarzadeh R. The MCP-1 rs1024611 and MTHFR rs1801133 gene variations and expressions in alopecia areata: A pilot study. IMMUNITY INFLAMMATION AND DISEASE 2021; 10:209-217. [PMID: 34752683 PMCID: PMC8767509 DOI: 10.1002/iid3.564] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/02/2021] [Revised: 10/31/2021] [Accepted: 11/02/2021] [Indexed: 12/01/2022]
Abstract
Background Monocyte chemoattractant protein‐1 (MCP‐1) is highly expressed by lymphocytes at skin sites affected by alopecia areata (AA). Variations in MCP‐1 as well as in methylene‐tetrahydrofolate reductase (MTHFR), a key enzyme related to many inflammatory pathologies, have been associated with several autoimmune disorders. This study was designed to test a possible association between MCP‐1 and MTHFR variations and altered expression of their genes and the risk of AA. Methods Blood samples of patients (60) suffering from AA as well as healthy subjects (60) were collected. Gene expression levels of MCP‐1 and MTHFR were evaluated by real‐time reverse‐transcription polymerase chain reaction analysis. Moreover, MCP‐1 rs1024611 (A‐2518G) and MTHFR rs1801133 (C677T) polymorphisms were genotyped by using polymerase chain reaction‐restriction fragment length polymorphism assays. Results In contrast to MCP‐1, the MTHFR gene expression was found to be significantly higher in patients than in controls. Further stratification of the patients revealed that polymorphic genotypes in MCP‐1 (AG + GG) and MTHFR (CT + TT) could significantly alter gene expression levels. Elevation of MCP‐1 expression was significantly associated with the total number of variant MCP‐1 and MTHFR alleles. However, no statistically significant difference was noticed in the genotypic distribution of MCP‐1 and MTHFR variations between patients and controls. Conclusion In summary, despite MCP‐1 rs1024611 and MTHFR rs1801133 variations are not associated with AA risk, they may implicate the disease pathogenesis by influencing MCP‐1 activity.
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Affiliation(s)
| | - Hamideh Moravvej
- Skin Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mahsa Hajihasani
- Department of Biology, East Tehran Branch, Islamic Azad University, Tehran, Iran
| | - Mahsa Mousavi
- Department of Biology, East Tehran Branch, Islamic Azad University, Tehran, Iran
| | - Ralf J Ludwig
- Lübeck Institute of Experimental Dermatology, University of Lübeck, Germany
| | - Reza Akbarzadeh
- Skin Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran.,Lübeck Institute of Experimental Dermatology, University of Lübeck, Germany.,Institute of Clinical Chemistry and Laboratory Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
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25
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Zhang X, Qu YY, Liu L, Qiao YN, Geng HR, Lin Y, Xu W, Cao J, Zhao JY. Homocysteine inhibits pro-insulin receptor cleavage and causes insulin resistance via protein cysteine-homocysteinylation. Cell Rep 2021; 37:109821. [PMID: 34644569 DOI: 10.1016/j.celrep.2021.109821] [Citation(s) in RCA: 82] [Impact Index Per Article: 27.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2021] [Revised: 08/06/2021] [Accepted: 09/21/2021] [Indexed: 01/10/2023] Open
Abstract
Elevation in homocysteine (Hcy) level is associated with insulin resistance; however, the causality between them and the underlying mechanism remain elusive. Here, we show that Hcy induces insulin resistance and causes diabetic phenotypes by protein cysteine-homocysteinylation (C-Hcy) of the pro-insulin receptor (pro-IR). Mechanistically, Hcy reacts and modifies cysteine-825 of pro-IR in the endoplasmic reticulum (ER) and abrogates the formation of the original disulfide bond. C-Hcy impairs the interaction between pro-IR and the Furin protease in the Golgi apparatus, thereby hindering the cleavage of pro-IR. In mice, an increase in Hcy level decreases the mature IR level in various tissues, thereby inducing insulin resistance and the type 2 diabetes phenotype. Furthermore, inhibition of C-Hcy in vivo and in vitro by overexpressing protein disulfide isomerase rescues the Hcy-induced phenotypes. In conclusion, C-Hcy in the ER can serve as a potential pharmacological target for developing drugs to prevent insulin resistance and increase insulin sensitivity.
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Affiliation(s)
- Xuan Zhang
- State Key Laboratory of Genetic Engineering, Zhongshan Hospital of Fudan University, School of Life Sciences, Children's Hospital of Fudan University, Fudan University Shanghai Cancer Center, and Institutes of Biomedical Sciences, Fudan University, Shanghai 200438, P.R. China
| | - Yuan-Yuan Qu
- State Key Laboratory of Genetic Engineering, Zhongshan Hospital of Fudan University, School of Life Sciences, Children's Hospital of Fudan University, Fudan University Shanghai Cancer Center, and Institutes of Biomedical Sciences, Fudan University, Shanghai 200438, P.R. China
| | - Lian Liu
- State Key Laboratory of Genetic Engineering, Zhongshan Hospital of Fudan University, School of Life Sciences, Children's Hospital of Fudan University, Fudan University Shanghai Cancer Center, and Institutes of Biomedical Sciences, Fudan University, Shanghai 200438, P.R. China
| | - Ya-Nan Qiao
- State Key Laboratory of Genetic Engineering, Zhongshan Hospital of Fudan University, School of Life Sciences, Children's Hospital of Fudan University, Fudan University Shanghai Cancer Center, and Institutes of Biomedical Sciences, Fudan University, Shanghai 200438, P.R. China
| | - Hao-Ran Geng
- State Key Laboratory of Genetic Engineering, Zhongshan Hospital of Fudan University, School of Life Sciences, Children's Hospital of Fudan University, Fudan University Shanghai Cancer Center, and Institutes of Biomedical Sciences, Fudan University, Shanghai 200438, P.R. China
| | - Yan Lin
- State Key Laboratory of Genetic Engineering, Zhongshan Hospital of Fudan University, School of Life Sciences, Children's Hospital of Fudan University, Fudan University Shanghai Cancer Center, and Institutes of Biomedical Sciences, Fudan University, Shanghai 200438, P.R. China
| | - Wei Xu
- State Key Laboratory of Genetic Engineering, Zhongshan Hospital of Fudan University, School of Life Sciences, Children's Hospital of Fudan University, Fudan University Shanghai Cancer Center, and Institutes of Biomedical Sciences, Fudan University, Shanghai 200438, P.R. China
| | - Jing Cao
- Department of Anatomy and Neuroscience Research Institute, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou 450001, China
| | - Jian-Yuan Zhao
- State Key Laboratory of Genetic Engineering, Zhongshan Hospital of Fudan University, School of Life Sciences, Children's Hospital of Fudan University, Fudan University Shanghai Cancer Center, and Institutes of Biomedical Sciences, Fudan University, Shanghai 200438, P.R. China; Department of Anatomy and Neuroscience Research Institute, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou 450001, China.
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26
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Successful Treatment of Massive Pulmonary Embolism with Rescue Fibrinolysis in Young Patient with Homocystinemia - Case Report. SERBIAN JOURNAL OF EXPERIMENTAL AND CLINICAL RESEARCH 2021. [DOI: 10.2478/sjecr-2020-0064] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Abstract
Pulmonary embolism (PE) is the most frequently missed diagnosis in the urgent clinical department with serious consequences. Patients with unprovoked PE have increased risk of recurrent PE. Approximately 5 to 8% of PE patients have inherited thrombophilias. A solated homocystinemia is a rare cause of unprovoked acute pulmonary embolism. Timely diagnosis and proper treatment can prevent complications, costs and mortality and provide patient better quality of life. We are presenting a 42-year-old woman was admitted to our emergency department with the first episode of severe dyspnea and chest pain. She had no history of previous cardiovascular or respiratory disease and no history of previous pulmonary embolism (PE) or deep vein thrombosis (DVT). Urgent echocardiography showed indirect signs of pulmonary embolism which was confirmed by the pulmonary artery CT angiography performed one day after the patient’s admission. After two days of heparin infusion, she developed a hemodynamic instability with cardiogenic shock and was treated successfully with fibrinolysis. After the clinical stabilization, she was put on the rivaroxaban therapy, which was recommended for additional six months. The thrombophilia profile was done two weeks after stopping the therapy with rivaroxaban. The thrombophilia panel came back positive for high levels of homocysteine (67 μmol/L), with other thrombophilia results within normal limits. The patient was stable during the follow-up period. Pulmonary embolism should be always suspected in younger patients with acute severe dyspnea even without provocable risk factors. High suspicion level and fast diagnosis are lifesaving. In younger patients presented with unprovoked pulmonary embolism, clinicians should consider inherited prothrombotic factors and homocystinemia as a potential cause. Rescue fibrinolysis is a lifesaving therapy in hemodynamic worsening in intermediate high-risk PE patients. A longer anticoagulation therapy should be considered in these cases with novel oral anticoagulants that are recommended as safer and superior therapy.
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27
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Central retinal vein occlusion after laparoscopic sleeve gastrectomy in an 18-year-Old female. Am J Ophthalmol Case Rep 2021; 23:101165. [PMID: 34368493 PMCID: PMC8326183 DOI: 10.1016/j.ajoc.2021.101165] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2021] [Accepted: 07/20/2021] [Indexed: 12/30/2022] Open
Abstract
Purpose To describe a case of central retinal vein occlusion (CRVO) in a young adult found to have elevated homocysteine after bariatric surgery and to review risk factors for CRVO in younger patients. Observations An 18-year-old female presented with a CRVO and severe cystoid macular edema (CME). She was normotensive, not on medications, and without known heritable hypercoagulable disease. Her medical history was notable for bariatric surgery and subsequently she was found to have nutritional deficiency, anemia, and elevated homocysteine. Her elevated homocysteine may have induced a hypercoaguable state that predisposed her to developing a CRVO. Treatment with bevacizumab dramatically improved her macular edema and visual acuity. Nutritional supplementation was initiated. Conclusions Elevated homocysteine in the setting of nutritional deficiency from prior bariatric surgery may cause a hypercoaguable state and is a potential risk factor for CRVO. Importance With the increasing prevalence of obesity and bariatric surgery, it is important to consider associated nutrient deficiency as a potential cause of induced hypercoagulability and increased risk for CRVO. Identification of these at-risk patients is especially important given this condition is easily treatable and may be present in younger individuals. To the best of our knowledge, this is the first reported case of a CRVO with elevated homocysteine in the setting of nutrient deficiencies from laparoscopic sleeve gastrectomy.
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28
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Maksimova MY, Ivanov AV, Virus ED, Nikiforova KA, Ochtova FR, Suanova ET, Kruglova MP, Piradov MA, Kubatiev AA. Impact of glutathione on acute ischemic stroke severity and outcome: possible role of aminothiols redox status. Redox Rep 2021; 26:117-123. [PMID: 34236283 PMCID: PMC8276653 DOI: 10.1080/13510002.2021.1952819] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/03/2022] Open
Abstract
Objective Acute brain ischemia is accompanied by a disruption of low-molecular-weight aminothiols (LMWTs) homeostasis, such as homocysteine (Hcy), cysteine (Cys), and glutathione (GSH). We investigated the redox balance of LMWTs in blood plasma and its influence on ischemic stroke severity and the functional outcome in patients with an acute period. Patients and methods A total of 177 patients were examined. Total and reduced forms of LMWTs were determined in the first 10–24 h. Stroke severity and functional state were estimated using the National Institutes of Health Stroke Scale (NIHSS) and the modified Rankin Scale (mRs) at admission and after 21 days. Results Patients with high levels of total Hcy (> 19 μM) showed significantly reduced redox statuses of all LMWTs. Patients with low total GSH levels (≤ 1.07 μM) were at an increased risk of higher stroke severity (NIHSS > 10) compared to patients with a total GSH level > 2.64 μM (age/gender-adjusted odds ratio: 4.69, 95% CI: 1.43–15.4). Discussion (1) low total GSH level can be considered as a novel risk marker for the severity of acute stroke in conditions of low redox status of LMWTs and (2) high Hcy levels associated with low redox status of LMWTs.
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Affiliation(s)
| | - Alexander Vladimirovich Ivanov
- Department of Molecular and Cellular Pathophysiology, Institute of General Pathology and Pathophysiology, Moscow, Russia
| | - Edward Danielevich Virus
- Department of Molecular and Cellular Pathophysiology, Institute of General Pathology and Pathophysiology, Moscow, Russia
| | - Ksenya Alexandrovna Nikiforova
- Department of Molecular and Cellular Pathophysiology, Institute of General Pathology and Pathophysiology, Moscow, Russia
| | | | | | - Maria Petrovna Kruglova
- Sechenov First Moscow State Medical University (Sechenov University) of the Ministry of Health of the Russian Federation, Moscow, Russia
| | | | - Aslan Amirkhanovich Kubatiev
- Department of Molecular and Cellular Pathophysiology, Institute of General Pathology and Pathophysiology, Moscow, Russia.,Russian Medical Academy of Postdoctoral Education, Moscow, Russia
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29
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Bottari E, D'Ambrosio A, De Tommaso G, Festa MR, Iuliano M, Meschino M. Solubility of folic acid and protonation of folate in NaCl at different concentrations, even in physiological solution. Analyst 2021; 146:2339-2347. [PMID: 33624660 DOI: 10.1039/d1an00013f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The solubility of folic acid was determined at 25 °C in 1.00 mol dm-3 and in 0.15 mol dm-3 NaCl (physiological solution) spectrophotometrically by measuring the absorbance of saturated solution at different hydrogen ion concentrations. Five protonation constants of folate were determined both from the dependence of the solubility on the hydrogen ion concentration as well as from potentiometric titrations carried out in the presence of solid folic acid and in alkaline solution, in which folate is relatively soluble. Corresponding to the protonation constants, nuclear magnetic resonance and florescence spectra were also obtained at different hydrogen ion concentrations to determine the protonation positions in acid, neutral and alkaline solutions. An approach through circular dichroism was also applied to study the eventual polymerization of folate in alkaline solution.
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Affiliation(s)
- Emilio Bottari
- Chemistry Department, Roma University "La Sapienza", P. le A. Moro 5, 00185 Rome, Italy.
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30
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Sumi MP, Guru SA, Mir R, Bhat MA, Sahu S, Girish MP, Saxena A. Molecular evaluation of exon 8 cystathionine rs5742905T T>C gene polymorphism and determination of its frequency, distribution pattern, and association with susceptibility to Coronary Artery Disease. In North Indian Population. Cardiovasc Hematol Disord Drug Targets 2021; 21:115-122. [PMID: 33719952 DOI: 10.2174/1871529x21666210315121027] [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: 05/07/2020] [Revised: 01/04/2021] [Accepted: 01/18/2021] [Indexed: 11/22/2022]
Abstract
BACKGROUND The protein coded by cystathionine β synthase (CBS) gene act as a catalyzer, converts homocysteine to cystathionine. Impairment of CBS gene leads to homocystinuria by cystathionine β synthase deficiency which is linked to Coronary Artery Disease. A number of polymorphisms study have been performed in cystathione β synthase gene. In the current study we planned to analyze the influence of CBS T833C gene polymorphism and its association with Coronary Artery Disease development and its progression in the north Indian population. MATERIALS AND METHOD The present study comprises 100 angiographically confirmed CAD patients and 100 age and sex-matched healthy controls. A ≥ 50% luminal stenosis at one major coronary artery was considered for the inclusion criteria of the cases. The investigation of T833C polymorphism in the CBS gene was performed by PCR- RFLP technique. RESULT In result, we found that homozygous mutant (CC ) and heterozygous (TC) genotypes of CBS T833C gene polymorphism, were significantly higher in CAD patients as compared to healthy subjects. We also observed a substantial increased CAD risk exists in dominant, codominant inheritance and allele specific models for the CBS T833C gene polymorphism. We, analyzed the differential distribution with respect to disease severity, but there was no significant association (p=0.96). CONCLUSION In conclusion, this study demonstrates that CBS T833C gene polymorphism plays a key role in developing coronary artery disease and its progression.
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Affiliation(s)
- Mamta P Sumi
- Department of Biochemistry, Maulana Azad Medical College, University of Delhi. India
| | - Sameer Ahmad Guru
- Department of Biochemistry and Multidisciplinary Research Unit (MRU), MAMC, University of Delhi. India
| | - Rashid Mir
- Prince Fahd Bin Sultan Research chair, Department of Medical Lab Technology, Faculty of Applied Medical Sciences, University of Tabuk . Saudi Arabia
| | - Musadiq A Bhat
- Institute of Pharmacology and Toxicology-Neuropharmacology, University of Zurich Winterthurerstrasse, Zurich. Switzerland
| | - Samantak Sahu
- Department of Physical Medicine and Rehabilitation, All India Institute of Medical Science. India
| | - M P Girish
- iDepartment of Cardiology, GB Pant Hospital, University of Delhi. India
| | - Alpana Saxena
- Department of Biochemistry, Maulana Azad Medical College, University of Delhi. India
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31
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Abdalla BMZ, de Oliveira RTG, Afonso RI, Criado PR. A late diagnosis of hyperhomocysteinemia with probable evolution to verrucous elephantiasis nostra and leg ulcers. An Bras Dermatol 2021; 96:253-255. [PMID: 33581929 PMCID: PMC8007548 DOI: 10.1016/j.abd.2020.04.014] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2019] [Accepted: 04/13/2020] [Indexed: 11/30/2022] Open
Affiliation(s)
| | | | | | - Paulo Ricardo Criado
- Department of Dermatology, Faculdade de Medicina, Universidade de São Paulo, São Paulo, SP, Brazil; Centro Universitário Saúde ABC, Santo André, SP, Brazil
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32
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Cui L, Lu P, Li S, Pan Y, Wang M, Li Z, Liao X, Wang Y. Relationship Among Homocysteine, Inflammation and Cognitive Impairment in Patients with Acute Ischemic Stroke and Transient Ischemic Attack. Neuropsychiatr Dis Treat 2021; 17:3607-3616. [PMID: 34924754 PMCID: PMC8674150 DOI: 10.2147/ndt.s333753] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/04/2021] [Accepted: 11/27/2021] [Indexed: 12/21/2022] Open
Abstract
PURPOSE To investigate the associations among homocysteine (Hcy), inflammation and cognitive impairment in patients with acute ischemic stroke (AIS) and transient ischemic attack (TIA). PATIENTS AND METHODS Patients included were enrolled from a subgroup of China National Stroke Registry-III (CNSR-III). We used a Chinese version of Montreal Cognitive Assessment (MoCA) to screen for cognitive impairment. We used high-sensitivity C-reactive protein (hsCRP) level to reflect the inflammatory status, which was assessed at baseline together with Hcy concentration. The primary outcome was the incidence of post-stroke cognitive impairment (PSCI) at 3 months after AIS and TIA. Multivariable logistic regression analysis was used to evaluate the correlation between Hcy and hsCRP, and their effects on cognition. RESULTS We enrolled 1466 patients with a median age of 62 (54-70) years old, including 895 (61.05%) patients with elevated Hcy levels, 466 (31.79%) with increased hsCRP concentrations, and 755 (51.50%) with PSCI. In the group of patients with hyperhomocysteinemia (HHcy), higher hsCRP levels were related to cognitive impairment, whether or not adjusted for multiple potential confounders (crude OR: 1.71,95% CI: 1.29-2.27, p < 0.01; adjusted OR: 1.42, 95% CI: 1.04-1.93, p = 0.03). No significant interactions for the impact on PSCI were observed in subgroups stratified by age, sex or Trial of Org 10172 in Acute Stroke Treatment (TOAST) classification (P interaction > 0.05 for all). CONCLUSION High inflammatory levels increase the risk of cognitive impairment in HHcy patients after AIS and TIA.
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Affiliation(s)
- Lingyun Cui
- Department of Neurology, Beijing Tiantan Hospital, Capital Medical University, Beijing, People's Republic of China
| | - Ping Lu
- Department of Neurology, Beijing Tiantan Hospital, Capital Medical University, Beijing, People's Republic of China
| | - Shiyu Li
- Department of Neurology, Beijing Tiantan Hospital, Capital Medical University, Beijing, People's Republic of China
| | - YueSong Pan
- China National Clinical Research Center for Neurological Diseases, Beijing, People's Republic of China
| | - Mengxing Wang
- China National Clinical Research Center for Neurological Diseases, Beijing, People's Republic of China
| | - Zixiao Li
- Department of Neurology, Beijing Tiantan Hospital, Capital Medical University, Beijing, People's Republic of China.,China National Clinical Research Center for Neurological Diseases, Beijing, People's Republic of China
| | - Xiaoling Liao
- Department of Neurology, Beijing Tiantan Hospital, Capital Medical University, Beijing, People's Republic of China.,China National Clinical Research Center for Neurological Diseases, Beijing, People's Republic of China
| | - Yongjun Wang
- Department of Neurology, Beijing Tiantan Hospital, Capital Medical University, Beijing, People's Republic of China.,China National Clinical Research Center for Neurological Diseases, Beijing, People's Republic of China
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33
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Ward KM, Burghardt K, Kraal AZ, Jaeger A, Yeomans L, McHugh C, Karnovsky A, Stringer KA, Ellingrod VL. Genetic and Metabolite Variability in One-Carbon Metabolism Applied to an Insulin Resistance Model in Patients With Schizophrenia Receiving Atypical Antipsychotics. Front Psychiatry 2021; 12:623143. [PMID: 34113268 PMCID: PMC8185170 DOI: 10.3389/fpsyt.2021.623143] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/29/2020] [Accepted: 04/28/2021] [Indexed: 12/26/2022] Open
Abstract
Background: Patients with schizophrenia are at high risk of pre-mature mortality due to cardiovascular disease (CVD). Our group has completed studies in pharmacogenomics and metabolomics that have independently identified perturbations in one-carbon metabolism as associated with risk factors for CVD in this patient population. Therefore, this study aimed to use genetic and metabolomic data to determine the relationship between folate pharmacogenomics, one-carbon metabolites, and insulin resistance as measured using the homeostatic model assessment for insulin resistance (HOMA-IR) as a marker of CVD. Methods: Participants in this pilot analysis were on a stable atypical antipsychotic regimen for at least 6 months, with no diabetes diagnosis or use of antidiabetic medications. Participant samples were genotyped for MTHFR variants rs1801131 (MTHFR A1298C) and rs1801133 (MTHFR C677T). Serum metabolite concentrations were obtained with NMR. A least squares regression model was used to predict log(HOMA-IR) values based on the following independent variables: serum glutamate, glycine, betaine, serine, and threonine concentrations, and carrier status of the variant alleles for the selected genotypes. Results: A total of 67 participants were included, with a median age of 47 years old (IQR 42-52), 39% were female, and the median BMI was 30.3 (IQR 26.3-37.1). Overall, the model demonstrated an ability to predict log(HOMA-IR) values with an adjusted R 2 of 0.44 and a p-value of < 0.001. Glutamate, threonine, and carrier status of the MTHFR 1298 C or MTHFR 677 T allele were positively correlated with log(HOMA-IR), whereas glycine, serine, and betaine concentrations trended inversely with log(HOMA-IR). All factors included in this final model were considered as having a possible effect on predicting log(HOMA-IR) as measured with a p-value < 0.1. Conclusions: Presence of pharmacogenomic variants that decrease the functional capacity of the MTHFR enzyme are associated with increased risk for cardiovascular disease, as measured in this instance by log(HOMA-IR). Furthermore, serine, glycine, and betaine concentrations trended inversely with HOMA-IR, suggesting that increased presence of methyl-donating groups is associated with lower measures of insulin resistance. Ultimately, these results will need to be replicated in a significantly larger population.
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Affiliation(s)
- Kristen M Ward
- Department of Clinical Pharmacy, College of Pharmacy, University of Michigan, Ann Arbor, MI, United States
| | - Kyle Burghardt
- Department of Pharmacy Practice, Eugene Applebaum College of Pharmacy and Health Sciences, Wayne State University, Detroit, MI, United States
| | - A Zarina Kraal
- Department of Clinical Pharmacy, College of Pharmacy, University of Michigan, Ann Arbor, MI, United States.,Psychology Department, College of Literature, Science, and the Arts, University of Michigan, Ann Arbor, MI, United States
| | - Andrew Jaeger
- Department of Clinical Pharmacy, College of Pharmacy, University of Michigan, Ann Arbor, MI, United States
| | - Larisa Yeomans
- Nuclear Magnetic Resonance (NMR) Metabolomics Laboratory, College of Pharmacy, University of Michigan, Ann Arbor, MI, United States
| | - Cora McHugh
- Nuclear Magnetic Resonance (NMR) Metabolomics Laboratory, College of Pharmacy, University of Michigan, Ann Arbor, MI, United States
| | - Alla Karnovsky
- Department of Computational Medicine and Bioinformatics, School of Medicine, University of Michigan, Ann Arbor, MI, United States.,Michigan Regional Comprehensive Metabolomics Resource Core, University of Michigan, Ann Arbor, MI, United States
| | - Kathleen A Stringer
- Department of Clinical Pharmacy, College of Pharmacy, University of Michigan, Ann Arbor, MI, United States.,Nuclear Magnetic Resonance (NMR) Metabolomics Laboratory, College of Pharmacy, University of Michigan, Ann Arbor, MI, United States.,Division of Pulmonary and Critical Care Medicine, School of Medicine, University of Michigan, Ann Arbor, MI, United States
| | - Vicki L Ellingrod
- Department of Clinical Pharmacy, College of Pharmacy, University of Michigan, Ann Arbor, MI, United States.,Department of Psychiatry, School of Medicine, University of Michigan, Ann Arbor, MI, United States
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34
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Bagher AM, Young AP, Neamatallah T, Al-Amoudi RM, Bagher SM, Denovan-Wright EM. Prevalence of methylenetetrahydrofolate reductase gene polymorphisms (C677T, and A1298C) among Saudi children receiving dental treatment. Ann Saudi Med 2021; 41:1-7. [PMID: 33550905 PMCID: PMC7868620 DOI: 10.5144/0256-4947.2021.1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/30/2020] [Accepted: 12/23/2020] [Indexed: 11/22/2022] Open
Abstract
BACKGROUND Methylenetetrahydrofolate reductase, the encoded by the MTHFR gene, plays a crucial role in converting the amino acid homocysteine to methionine. Two polymorphisms of the MTHFR gene, C677T and A1298C, reportedly reduce enzyme activity, resulting in hyperhomocysteinemia. Patients with C677T and A1298C polymorphisms may be at higher risk for developing abnormal hyperhomocysteinemia, which has been linked to catastrophic neurological including fatal outcomes. OBJECTIVE Determine the prevalence of the MTHFR gene variants C677T and A1298C among pediatric dental patients treated at King Abdulaziz University Hospital. DESIGN Cross-sectional. SETTING Clinics of pediatric dentistry department. SUBJECTS AND METHODS Healthy Saudi children 6-12 years old with no known allergies were screened for eligibility between May and December 2019. A single investigator collected saliva samples. The MTHFR C677T and A1298C polymorphisms were analyzed using polymerase chain reaction and restriction fragment length polymorphism. MAIN OUTCOME MEASURE The prevalence of MTHFR gene variants (C677T and A1298C) among the subjects. SAMPLE SIZE 138. RESULTS MTHFR C677T polymorphism was present in 36.2% of the sample and 90.0% of children carrying this allele were heterozygotes. MTHFR A1298C polymorphism was present in 91.3% of the sample and 77.0% of the children carrying this allele were heterozygotes. No linkage disequilibrium between MTHFR C677T and MTHFR A1298C was observed within this sample. CONCLUSIONS Our study found a high frequency of the MTHFR A1298C genotype, which was substantially more abundant than expected based on a Hardy-Weinberg distribution. Therefore, caution is advised in using N2O in Saudi children as the increased prevalence of this MTHFR allele may increase the incidence of serious adverse effects among these children. LIMITATIONS Further studies are recommended with a larger sample size from randomly selected hospitals from different regions of Saudi Arabia. CONFLICT OF INTEREST None.
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Affiliation(s)
- Amina M. Bagher
- From the Department of Pharmacology and Toxicology, Faculty of Pharmacy, King AbdulAziz University, Jeddah, Saudi Arabia
| | - Alexander P. Young
- From the Department of Pharmacology, Faculty of Medicine, Dalhousie University, Halifax, Nova Scotia
| | - Thikryat Neamatallah
- From the Department of Pharmacology and Toxicology, Faculty of Pharmacy, King AbdulAziz University, Jeddah, Saudi Arabia
| | - Reham M. Al-Amoudi
- From the Department of Pediatric Dentistry, Faculty of Dentistry, King AbdulAziz University, Jeddah, Saudi Arabia
| | - Sara M. Bagher
- From the Department of Pediatric Dentistry, Faculty of Dentistry, King AbdulAziz University, Jeddah, Saudi Arabia
| | - Eileen M. Denovan-Wright
- From the Department of Pharmacology, Faculty of Medicine, Dalhousie University, Halifax, Nova Scotia
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Vatsalya V, Gala KS, Hassan AZ, Frimodig J, Kong M, Sinha N, Schwandt ML. Characterization of Early-Stage Alcoholic Liver Disease with Hyperhomocysteinemia and Gut Dysfunction and Associated Immune Response in Alcohol Use Disorder Patients. Biomedicines 2020; 9:biomedicines9010007. [PMID: 33374263 PMCID: PMC7823569 DOI: 10.3390/biomedicines9010007] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2020] [Revised: 12/18/2020] [Accepted: 12/22/2020] [Indexed: 01/11/2023] Open
Abstract
Heavy alcohol consumption can cause hyperhomocysteinemia, which could be consequential in the proinflammatory response and worsening of the neurobehavioral domains of alcohol use disorder (AUD), such as alcohol withdrawal. We examined the role of heavy drinking, hyperhomocysteinemia, gut dysfunction and inflammation in early-stage alcoholic liver disease (ALD) in AUD patients. A total of 110 AUD patients without clinical manifestations of liver injury were grouped by the serum homocysteine levels (SHL): normal ≤ 13 µmol/L (Group 1 (Gr.1); n = 80), and elevated > 13 µmol/L (Group 2 (Gr.2), n = 30). A comprehensive metabolic panel, SHL, a nutritional assessment, and drinking history assessed by the timeline followback questionnaire were evaluated. A subset analysis was performed on 47 subjects (Gr.1 n = 27; Gr.2 n = 20) for additional measures: Clinical Institute Withdrawal Assessment for Alcohol (CIWA) score, plasma cytokines (interleukin-1β (IL-1β)), gut dysfunction markers (lipopolysaccharide (LPS), and LPS-binding protein (LBP)); 27% of the AUD patients exhibited hyperhomocysteinemia. SHL was significantly associated (p = 0.034) with heavy drinking days (HDD90). Subset analyses showed that the withdrawal ratings were both clinically and statistically (p = 0.033) elevated and significantly associated with hyperhomocysteinemia (p = 0.016) in Gr.2. LBP, IL1-β, SHL, and HDD90 showed significant cumulative effects (adjusted R2 = 0.627) on withdrawal ratings in Gr.2 subset. Alanine aminotransferase (ALT) and aspartate aminotransferase (AST) were significantly higher in all Gr.2 patients; AUROC showed a fair level of true positivity for ALT (0.676), and AST (0.686). Il1-β, LBP, SHL, and HDD90 showed significant cumulative effects (adjusted R2 = 0.554) on the elevated ALT in Gr.2 subset as well. The gut-brain derived proinflammatory response, patterns of heavy drinking, and hyperhomocysteinemia were closely associated with clinically elevated alcohol withdrawal and elevated liver injury. Hyperhomocysteinemia could have a potential phenotypic marker response indicative of early-stage ALD along with AUD.
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Affiliation(s)
- Vatsalya Vatsalya
- Department of Medicine, University of Louisville, Louisville, KY 40202, USA; (K.S.G.); (A.Z.H.); (J.F.)
- Correspondence: ; Tel.: +1-502-852-8928
| | - Khushboo S. Gala
- Department of Medicine, University of Louisville, Louisville, KY 40202, USA; (K.S.G.); (A.Z.H.); (J.F.)
| | - Ammar Z. Hassan
- Department of Medicine, University of Louisville, Louisville, KY 40202, USA; (K.S.G.); (A.Z.H.); (J.F.)
| | - Jane Frimodig
- Department of Medicine, University of Louisville, Louisville, KY 40202, USA; (K.S.G.); (A.Z.H.); (J.F.)
| | - Maiying Kong
- Department of Biostatistics and Bioinformatics, University of Louisville, Louisville, KY 40202, USA;
| | - Nachiketa Sinha
- Department of Psychiatry, Dalhousie University, Halifax, Nova Scotia, NS B3H 4R2, Canada;
| | - Melanie L. Schwandt
- National Institute on Alcohol Abuse and Alcoholism, Bethesda, MD 20892, USA;
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Abu-Farha M, Al-Sabah S, Hammad MM, Hebbar P, Channanath AM, John SE, Taher I, Almaeen A, Ghazy A, Mohammad A, Abubaker J, Arefanian H, Al-Mulla F, Thanaraj TA. Prognostic Genetic Markers for Thrombosis in COVID-19 Patients: A Focused Analysis on D-Dimer, Homocysteine and Thromboembolism. Front Pharmacol 2020; 11:587451. [PMID: 33362545 PMCID: PMC7756688 DOI: 10.3389/fphar.2020.587451] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2020] [Accepted: 10/28/2020] [Indexed: 12/17/2022] Open
Abstract
COVID-19 is caused by Severe Acute Respiratory Syndrome Coronavirus-2, which has infected over thirty eight million individuals worldwide. Emerging evidence indicates that COVID-19 patients are at a high risk of developing coagulopathy and thrombosis, conditions that elevate levels of D-dimer. It is believed that homocysteine, an amino acid that plays a crucial role in coagulation, may also contribute to these conditions. At present, multiple genes are implicated in the development of these disorders. For example, single-nucleotide polymorphisms (SNPs) in FGG, FGA, and F5 mediate increases in D-dimer and SNPs in ABO, CBS, CPS1 and MTHFR mediate differences in homocysteine levels, and SNPs in TDAG8 associate with Heparin-induced Thrombocytopenia. In this study, we aimed to uncover the genetic basis of the above conditions by examining genome-wide associations and tissue-specific gene expression to build a molecular network. Based on gene ontology, we annotated various SNPs with five ancestral terms: pulmonary embolism, venous thromboembolism, vascular diseases, cerebrovascular disorders, and stroke. The gene-gene interaction network revealed three clusters that each contained hallmark genes for D-dimer/fibrinogen levels, homocysteine levels, and arterial/venous thromboembolism with F2 and F5 acting as connecting nodes. We propose that genotyping COVID-19 patients for SNPs examined in this study will help identify those at greatest risk of complications linked to thrombosis.
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Affiliation(s)
- Mohamed Abu-Farha
- Department of Biochemistry and Molecular Biology, Dasman Diabetes Institute, Dasman, Kuwait
| | - Salman Al-Sabah
- Department of Surgery, Faculty of Medicine, Kuwait University, Kuwait City, Kuwait
| | - Maha M Hammad
- Department of Biochemistry and Molecular Biology, Dasman Diabetes Institute, Dasman, Kuwait
| | - Prashantha Hebbar
- Department of Genetics and Bioinformatics, Dasman Diabetes Institute, Dasman, Kuwait
| | | | - Sumi Elsa John
- Department of Genetics and Bioinformatics, Dasman Diabetes Institute, Dasman, Kuwait
| | - Ibrahim Taher
- Department of Pathology, College of Medicine, Jouf University, Sakaka, Saudi Arabia
| | - Abdulrahman Almaeen
- Department of Pathology, College of Medicine, Jouf University, Sakaka, Saudi Arabia
| | - Amany Ghazy
- Department of Pathology, College of Medicine, Jouf University, Sakaka, Saudi Arabia.,Department of Microbiology & Medical Immunology, Faculty of Medicine, Kafrelsheikh University, Kafrelsheikh, Egypt
| | - Anwar Mohammad
- Department of Biochemistry and Molecular Biology, Dasman Diabetes Institute, Dasman, Kuwait
| | - Jehad Abubaker
- Department of Biochemistry and Molecular Biology, Dasman Diabetes Institute, Dasman, Kuwait
| | - Hossein Arefanian
- Department of Immunology and Microbiology, Dasman Diabetes Institute, Dasman, Kuwait
| | - Fahd Al-Mulla
- Department of Genetics and Bioinformatics, Dasman Diabetes Institute, Dasman, Kuwait
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Figueroa-Torres AG, Matias-Aguilar LO, Coria-Ramirez E, Bonilla-Gonzalez E, Gonzalez-Marquez H, Ibarra-Gonzalez I, Hernandez-Lopez JR, Hernandez-Juarez J, Dominguez-Reyes VM, Isordia-Salas I, Majluf-Cruz A. Cystathionine β-synthase and methylenetetrahydrofolate reductase mutations in Mexican individuals with hyperhomocysteinemia. SAGE Open Med 2020; 8:2050312120974193. [PMID: 33282308 PMCID: PMC7682208 DOI: 10.1177/2050312120974193] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2020] [Accepted: 10/26/2020] [Indexed: 11/15/2022] Open
Abstract
Background: Hyperhomocysteinemia, a thrombotic risk factor, may have several causes. Among the genetic causes of hyperhomocysteinemia, there are polymorphisms in the enzymes methylenetetrahydrofolate reductase (C677T) and cystathionine β-synthase (C699T, C1080T, and 844ins68). Although the frequency of hyperhomocysteinemia in our country is high, there is no evidence about the frequencies of these polymorphisms. Methods: We analyzed 80 healthy individuals from several regions in our country. We evaluated the fasting and post-oral methionine load plasma Hcy and the genotypes in order to obtain the allele frequencies of the polymorphisms C677T of methylenetetrahydrofolate reductase and C699T, C1080T, and 844ins68 of the cystathionine β-synthase. Results: No individual had deficiency of folic acid, vitamins B12, or B6, but 80% had post-oral methionine load hyperhomocysteinemia. We found a significant increase in the Hcy plasma concentration associated with age and gender. Only the polymorphism C1080T was significantly associated with hyperhomocysteinemia. Conclusion: There is an association between fasting and post-oral methionine load plasma Hcy concentrations with the allelic frequencies of the polymorphisms C669T, 844ins68, and C1080T of the cystathionine β-synthase and C667T of the methylenetetrahydrofolate reductase in healthy Mexican individuals. As compared with individuals with normal fasting or post-oral methionine load Hcy plasma levels, only C1080T was significantly associated with hyperhomocysteinemia.
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Affiliation(s)
- Anahi Guadalupe Figueroa-Torres
- Unidad de Investigación Médica en Trombosis, Hemostasia y Aterogénesis, Instituto Mexicano del Seguro Social, Ciudad de México, Mexico.,División de Ciencias Biológicas y de la Salud, Universidad Autónoma Metropolitana, Ciudad de México, México
| | - Lisneth Osiris Matias-Aguilar
- Unidad de Investigación Médica en Trombosis, Hemostasia y Aterogénesis, Instituto Mexicano del Seguro Social, Ciudad de México, Mexico
| | - Erika Coria-Ramirez
- Unidad de Investigación Médica en Trombosis, Hemostasia y Aterogénesis, Instituto Mexicano del Seguro Social, Ciudad de México, Mexico
| | - Edmundo Bonilla-Gonzalez
- Departamento de Ciencias de la Salud, Universidad Autónoma Metropolitana, Ciudad de México, México
| | | | - Isabel Ibarra-Gonzalez
- Unidad de Genética de la Nutrición, Instituto de Investigaciones Biomédica UNAM-Instituto Nacional de Pediatría, Secretaría de Salud, Ciudad de México, México
| | - Jose Rubicel Hernandez-Lopez
- Unidad de Investigación Médica en Trombosis, Hemostasia y Aterogénesis, Instituto Mexicano del Seguro Social, Ciudad de México, Mexico
| | - Jesus Hernandez-Juarez
- Unidad de Investigación Médica en Trombosis, Hemostasia y Aterogénesis, Instituto Mexicano del Seguro Social, Ciudad de México, Mexico
| | - Victor Manuel Dominguez-Reyes
- Unidad de Investigación Médica en Trombosis, Hemostasia y Aterogénesis, Instituto Mexicano del Seguro Social, Ciudad de México, Mexico
| | - Irma Isordia-Salas
- Unidad de Investigación Médica en Trombosis, Hemostasia y Aterogénesis, Instituto Mexicano del Seguro Social, Ciudad de México, Mexico
| | - Abraham Majluf-Cruz
- Unidad de Investigación Médica en Trombosis, Hemostasia y Aterogénesis, Instituto Mexicano del Seguro Social, Ciudad de México, Mexico
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Hou H, Zhao H. Epigenetic factors in atherosclerosis: DNA methylation, folic acid metabolism, and intestinal microbiota. Clin Chim Acta 2020; 512:7-11. [PMID: 33232735 DOI: 10.1016/j.cca.2020.11.013] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2020] [Revised: 11/07/2020] [Accepted: 11/10/2020] [Indexed: 12/11/2022]
Abstract
Atherosclerosis is a complex disease, influenced by both genetic and non-genetic factors. The most important epigenetic mechanism in the pathogenesis of atherosclerosis is DNA methylation, which involves modification of the gene without changes in the gene sequence. Nutrients involved in one-carbon metabolism interact to regulate DNA methylation, especially folic acid and B vitamins. Deficiencies in folic acid and other nutrients, such as vitamins B6 and B12, can increase homocysteine levels, induce endothelial dysfunction, and accelerate atherosclerotic pathological processes. Supplemented nutrients can improve DNA methylation status, reduce levels of inflammatory factors, and delay the process of atherosclerosis. In this review, the influence of intestinal flora on folate metabolism and epigenetics is also considered.
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Affiliation(s)
- Huimin Hou
- Department of Geriatrics, The First Hospital of Jilin University, Changchun 130021, China
| | - Huiying Zhao
- Department of Geriatrics, The First Hospital of Jilin University, Changchun 130021, China.
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Rawashdeh SI, Al-Mistarehi AH, Yassin A, Rabab'ah W, Skaff H, Ibdah R. A Concurrent Ischemic Stroke, Myocardial Infarction, and Aortic Thrombi in a Young Patient with Hyperhomocysteinemia: A Case Report. Int Med Case Rep J 2020; 13:581-590. [PMID: 33192104 PMCID: PMC7653271 DOI: 10.2147/imcrj.s279603] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2020] [Accepted: 10/21/2020] [Indexed: 12/31/2022] Open
Abstract
We are presenting a case report of a previously healthy 39-year-old man who was found to have acute inferior ST-elevation myocardial infarction (STEMI) and acute large right middle cerebral artery (MCA) ischemic stroke with hemorrhagic transformation. Transesophageal echocardiogram and chest CT angiogram revealed two thrombi; one attached to the wall of the ascending aorta just above the right coronary artery sinus, and one at the origin of the brachiocephalic trunk. The occlusion of the coronary artery and right MCA most likely could be because of embolization from these thrombi. Extensive workup looking for underlying etiology and risk factors for these concurrent vascular events in this young man revealed hyperhomocysteinemia along with unfavorable lipid profile, and family history of premature coronary artery disease which increased the suspicion of familial hypercholesterolemia. Besides, the presence of vitamin B12 and folate deficiencies. The elevated serum homocysteine is likely a major risk factor for thromboembolism in this patient. The patient received antithrombotics and vitamin supplementations and gradually improved without any worsening of the stroke's hemorrhagic transformation. We suggest that hyperhomocysteinemia needs to be considered in the differential etiology of vascular events in young people or those with no significant history of major vascular risk factors. Besides, vitamin supplementation could be a cost-effective, safe, and efficient way to decrease elevated serum homocysteine levels and prevent vascular complications. As well as this case report demonstrates that antithrombotics can safely be used after stroke's hemorrhagic transformation without neurological deterioration or aggravation of hemorrhagic transformation.
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Affiliation(s)
- Sukaina I Rawashdeh
- Department of Internal Medicine, Faculty of Medicine, Jordan University of Science and Technology, Irbid, Jordan
| | - Abdel-Hameed Al-Mistarehi
- Department of Public Health and Family Medicine, Faculty of Medicine, Jordan University of Science and Technology, Irbid, Jordan
| | - Ahmed Yassin
- Division of Neurology, Department of Neurosciences, Faculty of Medicine, Jordan University of Science and Technology, Irbid, Jordan
| | - Walaa Rabab'ah
- Department of Internal Medicine, Faculty of Medicine, Jordan University of Science and Technology, Irbid, Jordan
| | - Hussam Skaff
- Department of Diagnostic Radiology, Faculty of Medicine, Jordan University of Science and Technology, Irbid, Jordan
| | - Rasheed Ibdah
- Department of Internal Medicine, Faculty of Medicine, Jordan University of Science and Technology, Irbid, Jordan
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Zhang J, Zhao J. Clinical Characteristics and Analysis of Lung Cancer- Associated Acute Ischemic Stroke. J Stroke Cerebrovasc Dis 2020; 29:105164. [PMID: 32912544 DOI: 10.1016/j.jstrokecerebrovasdis.2020.105164] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2020] [Accepted: 07/11/2020] [Indexed: 12/13/2022] Open
Abstract
INTRODUCTION The incidence of lung cancer and acute ischemic stroke remains high in recent years, both of which occur mostly in people over 60 years old. In the present study, we aimed to further clarify the pathogenesis of lung cancer-associated acute ischemic stroke (LCA-AIS) by comparing and analyzing clinical characteristics of stroke patients with or without lung cancer. METHODS A total of 51 patients with lung cancer were selected as the case group (LCSG), and 78 patients without cancer history were adopted as the control group (SG). The data collected in this study included sex, age, traditional cerebrovascular disease risk factors (TCDRFs), blood test index, imaging findings, etiological typing, and prognosis evaluation. SPSS21.0 software was used for statistical analysis. Normally distributed data were analyzed by t-test, and count data were analyzed by chi-square test or exact probability method. P < 0.05 was considered statistically significant. RESULTS In the case group, the levels of plasma D-dimer, fibrinogen degradation products (FDPs) and NIHSS, as well as the mRS score and mortality of patients, were higher, while the levels of RBC, Hb and Hcy were lower compared with the control group. Imaging findings showed that multivessel involvement was more common in the case group, and the infarcts were more likely to be multiple and involved in both the anterior and posterior circulations. The TOAST classification of LCSG was dominated by stroke of undetermined etiology (SUE) and stroke of other determined etiology (SOE). Statistical analysis showed that the patients were more likely to suffer from acute ischemic stroke within 1 year after the diagnosis of lung cancer (41 cases, 80.39%). CONCLUSIONS Hypercoagulability and acute multiple brain infarcts were more common in patients with LCA-AIS, and hypoproteinemia and hyponatremia were more likely to occur in these patients, leading to worse prognosis. Patients were most likely to have a stroke within 1 year after the diagnosis of lung cancer.
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Affiliation(s)
- Jing Zhang
- Master of neurology, Department of Neurology, The Fourth Affiliated Hospital of Hebei Medical University, Shijiazhuang, China.
| | - Jingxia Zhao
- Department of Neurology, The Fourth Affiliated Hospital of Hebei Medical University, No 12 Jiankang Road, Shijiazhuang, 050000 Hebei, China.
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WUWHS 2020 Global Healing Changing Lives, Abu Dhabi, UAE March 8-12. J Wound Care 2020; 29:1-314. [PMID: 32686975 DOI: 10.12968/jowc.2020.29.sup7b.1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
The abstract book contains the abstracts of keynote lectures, global gelebration, focus sessions, symposia, regional view, workshops, sponsored symposia, oral presentations, posters and the index.
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De Martinis M, Sirufo MM, Nocelli C, Fontanella L, Ginaldi L. Hyperhomocysteinemia is Associated with Inflammation, Bone Resorption, Vitamin B12 and Folate Deficiency and MTHFR C677T Polymorphism in Postmenopausal Women with Decreased Bone Mineral Density. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2020; 17:E4260. [PMID: 32549258 PMCID: PMC7345373 DOI: 10.3390/ijerph17124260] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/12/2020] [Revised: 06/10/2020] [Accepted: 06/12/2020] [Indexed: 12/15/2022]
Abstract
Osteoporosis is an age-related bone disease, affecting mainly postmenopausal women, characterized by decreased bone mineral density (BMD) and consequent risk of fractures. Homocysteine (Hcy), a sulfur-aminoacid whose serum level is regulated by methylenetrahydrofolate reductase (MTHFR) activity and vitamin B12 and folate as cofactors, is a risk factor for inflammatory diseases. Literature data concerning the link between Hcy and osteoporosis are still debated. The aim of our study was to assess the relationship among Hcy and BMD, inflammation, vitamin status and bone turnover in postmenopausal osteoporosis. In 252 postmenopausal women, BMD was measured by dual-energy X-ray absorptiometry (DXA). In addition to serum Hcy, erythrocyte sedimentation rate (ESR), C-reactive protein (CRP) and bone turnover markers (bone alkaline phosphatase-BAP, osteocalcin-OC, C-terminal telopeptide of type I collagen (CTX), vitamin deficiencies and MTHFR-C677T polymorphism were evaluated. Hcy, inflammation, bone resorption markers and prevalence of C677T polymorphism were higher, whereas vitamin D, B12, folate, and bone formation markers were lower in women with decreased BMD compared to those with normal BMD. Our results suggest a significant association between Hcy, BMD and inflammation in postmenopausal osteoporosis. The regulation of Hcy overproduction and the modulation of the inflammatory substrate could represent additional therapeutic approaches for osteoporosis prevention.
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Affiliation(s)
- Massimo De Martinis
- Department of Life, Health and Environmental Sciences, University of L’Aquila, 67100 L’Aquila, Italy; (M.M.S.); (L.G.)
- Allergy and Clinical Immunology Unit, Center for the diagnosis and treatment of Osteoporosis, AUSL 04, 64100 Teramo, Italy
| | - Maria Maddalena Sirufo
- Department of Life, Health and Environmental Sciences, University of L’Aquila, 67100 L’Aquila, Italy; (M.M.S.); (L.G.)
- Allergy and Clinical Immunology Unit, Center for the diagnosis and treatment of Osteoporosis, AUSL 04, 64100 Teramo, Italy
| | | | - Lara Fontanella
- Department of Legal and Social Sciences, University of Chieti-Pescara, 65127 Pescara, Italy;
| | - Lia Ginaldi
- Department of Life, Health and Environmental Sciences, University of L’Aquila, 67100 L’Aquila, Italy; (M.M.S.); (L.G.)
- Allergy and Clinical Immunology Unit, Center for the diagnosis and treatment of Osteoporosis, AUSL 04, 64100 Teramo, Italy
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Peng Q, Liao S, He Y, Liang L, Su X, Rao C, Li W, Li S, Lu X. A molecular-beacon-based asymmetric PCR assay for detecting polymorphisms related to folate metabolism. J Clin Lab Anal 2020; 34:e23337. [PMID: 32410296 PMCID: PMC7439423 DOI: 10.1002/jcla.23337] [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: 01/30/2020] [Revised: 03/04/2020] [Accepted: 03/21/2020] [Indexed: 12/27/2022] Open
Abstract
BACKGROUND Polymorphisms (rs1801133 or C677T; rs1801131 or A1298C) of the MTHFR gene and rs1801394 (A66G) of the MTRR gene are important genetic determinants of folate metabolism. A convenient, sensitive, and reliable method is required to detect polymorphisms for the precise supplementation of folate. METHODS A rapid detection method based on molecular beacon probes that can detect rs1801133, rs1801131, and rs1801394 simultaneously was developed in this study. Specific primers and probes were designed, and the amplification system and conditions were optimized. We applied our method to a group of 500 unrelated women of gestational age in the Dongguan region of Guangdong Province in China. The clinical performance of this assay was evaluated by testing 94 samples in comparison with Sanger sequencing. RESULTS The molecular-beacon-based PCR assay we established is extremely sensitive, with a detection limit of 2 ng/μL of genomic DNA, and validated by direct sequencing in a blind study with 100% concordance. CONCLUSION The results demonstrate that our molecular-beacon-based asymmetric PCR assay is an easy, reliable, high-yield, and cost-effective method for the simultaneous detection of three polymorphisms related to folate metabolism. It could help evaluate the risk of perinatal-neonatal neural tube malformation, pregnancy hypertension, and other diseases and guide the individualized supplementation of folic acid. Data on the spectrum of mutations in the Dongguan District in this study are beneficial for guiding the supplementation of folic acid.
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Affiliation(s)
- Qi Peng
- Department of Medical and Molecular Genetics, Dongguan Institute of Pediatrics, Dongguan, China.,Medical Laboratory, Dongguan Eighth People's Hospital, Dongguan, China.,Key Laboratory for Children's Genetics and Infectious Diseases of Dongguan City, Dongguan, China
| | - Shengbin Liao
- Shenzhen Yilifang Biological Co., Ltd., Shenzhen, China
| | - Yuejing He
- Medical Laboratory, Dongguan Eighth People's Hospital, Dongguan, China
| | - Liyun Liang
- Medical Laboratory, Dongguan Eighth People's Hospital, Dongguan, China
| | - Xiaohua Su
- Medical Laboratory, Dongguan Eighth People's Hospital, Dongguan, China
| | - Chunbao Rao
- Department of Medical and Molecular Genetics, Dongguan Institute of Pediatrics, Dongguan, China.,Key Laboratory for Children's Genetics and Infectious Diseases of Dongguan City, Dongguan, China
| | - Wenrui Li
- Medical Laboratory, Dongguan Eighth People's Hospital, Dongguan, China
| | - Siping Li
- Department of Medical and Molecular Genetics, Dongguan Institute of Pediatrics, Dongguan, China.,Medical Laboratory, Dongguan Eighth People's Hospital, Dongguan, China.,Key Laboratory for Children's Genetics and Infectious Diseases of Dongguan City, Dongguan, China
| | - Xiaomei Lu
- Department of Medical and Molecular Genetics, Dongguan Institute of Pediatrics, Dongguan, China.,Medical Laboratory, Dongguan Eighth People's Hospital, Dongguan, China.,Key Laboratory for Children's Genetics and Infectious Diseases of Dongguan City, Dongguan, China
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Maternal vitamin B 12 deficiency in rats alters DNA methylation in metabolically important genes in their offspring. Mol Cell Biochem 2020; 468:83-96. [PMID: 32189172 DOI: 10.1007/s11010-020-03713-x] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2019] [Accepted: 03/06/2020] [Indexed: 12/22/2022]
Abstract
Vitamin B12 deficiency is a critical problem worldwide and peri-conceptional deficiency of this vitamin is associated with the risk of complex cardio-metabolic diseases. Nutritional perturbations during these stages of development may lead to changes in the fetal epigenome. Using Wistar rat model system, we have earlier shown that low maternal B12 levels are associated with low birth weight, adiposity, insulin resistance, and increased triglyceride levels in the offspring, which might predispose them to the risk of cardio-metabolic diseases in adulthood. In this study, we have investigated the effects of maternal B12 deficiency on genome-wide DNA methylation profile of the offspring and the effect of rehabilitation of mothers with B12 at conception. We have performed methylated DNA immunoprecipitation sequencing of liver from pups in four groups of Wistar rats: Control (C), B12-restricted (B12R), B12-rehabilitated at conception (B12RC), and B12-rehabilitated at parturition (B12RP). We have analyzed differentially methylated signatures between the three groups as compared to controls. We have identified a total of 214 hypermethylated and 142 hypomethylated regions in the 10 kb upstream region of transcription start site in pups of B12-deficient mothers, which are enriched in genes involved in fatty acid metabolism and mitochondrial transport/metabolism. B12 rehabilitation at conception and parturition is responsible for reversal of methylation status of many of these regions to control levels suggesting a causal association with metabolic phenotypes. Thus, maternal B12 restriction alters DNA methylation of genes involved in important metabolic processes and influences the offspring phenotype, which is reversed by B12 rehabilitation of mothers at conception.
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Maia CS, Menezes KMCD, Tenorio FDCAM, Queiroz Júnior JRAD, Maciel GEDS. Transtorno do espectro autista e a suplementação por ácido fólico antes e durante a gestação. JORNAL BRASILEIRO DE PSIQUIATRIA 2019. [DOI: 10.1590/0047-2085000000251] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
RESUMO Objetivo Elucidar se a suplementação com ácido fólico pouco antes da concepção e/ou durante a gestação pode estar realmente atrelado ao desenvolvimento do transtorno do espectro autista (TEA). Metódos Foi realizada uma revisão de literatura em base de dados, nos idiomas português e inglês, durante o período de novembro de 2017 até abril de 2018, com ênfase nas publicações mais recentes. Resultados Do total de 174 artigos, 87 compuseram este trabalho. Pesquisas apontam que o aumento dos casos de TEA se deve ao fato de que mais fatores genéticos estejam implicados na etiopatogênese neural. No entanto, a grande maioria dos artigos ressalta com maior precisão que há mais efeitos benéficos do uso de ácido fólico antes da concepção e durante a gestação na prevenção do TEA, assim como de outras anormalidades relacionadas aos defeitos do tubo neural. Conclusão Quando se analisa o risco-benefício da suplementação com ácido fólico nas doses recomendadas, 0,4 a 0,8 mg/dia, conclui-se que os benefícios sobrepujam os possíveis riscos de desenvolver o TEA.
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Huang X, Li D, Zhao Q, Zhang C, Ren B, Yue L, Du B, Godfrey O, Wang X, Zhang W. Association between BHMT and CBS gene promoter methylation with the efficacy of folic acid therapy in patients with hyperhomocysteinemia. J Hum Genet 2019; 64:1227-1235. [PMID: 31558761 DOI: 10.1038/s10038-019-0672-7] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2019] [Revised: 09/06/2019] [Accepted: 09/08/2019] [Indexed: 12/14/2022]
Abstract
Both betaine homocysteine methyltransferase (BHMT) and cystathionine β-synthase (CBS) are major enzymes in the metabolism of plasma homocysteine (Hcy). Abnormal methylation levels of BHMT and CBS are positively associated with Hcy levels. The present study is performed to explore the association between the methylation levels in the promoter regions of the BHMT and CBS genes and the efficacy of folic acid therapy in patient with hyperhomocysteinemia (HHcy). A prospective cohort study recruiting HHcy (Hcy ≥ 15 μmol/L) patients was performed. The subjects were treated with oral folic acid (5 mg/d) for 90 days, and the patients were divided into the success group (Hcy < 15 μmol/L) and the failure group (Hcy ≥ 15 μmol/L) according to their Hcy levels after treatment. In the logistic regression model with adjusted covariates, the patients with lower total methylation levels in the BHMT and CBS promoter regions exhibited 1.627-fold and 1.671-fold increased risk of treatment failure compared with higher methylation individuals, respectively. Similarly, subjects who had lower methylation levels (<methylation mean) in BHMT CpG1 had 1.792 times higher risks. Stratified analysis by sex found that lower CBS methylation levels were associated with a 2.128-fold increased risk for treatment failure in males with HHcy. Lower levels of BHMT or CBS promoter total methylation might be associated with increased the risk of treatment failure. These studies suggest that lower levels of BHMT and CBS methylation are all predictors of failure in folic acid therapy for HHcy. However, due to some limitations of this study, such as the small number of the loci tested, further large-scale studies are necessary to verify our observations.
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Affiliation(s)
- Xiaowen Huang
- Department of Epidemiology, School of Public Health, Zhengzhou University, Zhengzhou, 450001, Henan, China
| | - Dankang Li
- Department of Epidemiology, School of Public Health, Zhengzhou University, Zhengzhou, 450001, Henan, China
| | - Qinglin Zhao
- Department of Epidemiology, School of Public Health, Zhengzhou University, Zhengzhou, 450001, Henan, China
| | - Chengda Zhang
- Department of Biostatistics and Bioinformatics, School of Public Health and Tropical Medicine, Tulane University, New Orleans, LA, 70112, USA
| | - Bingnan Ren
- Department of Epidemiology, School of Public Health, Zhengzhou University, Zhengzhou, 450001, Henan, China
| | - Limin Yue
- Department of Epidemiology, School of Public Health, Zhengzhou University, Zhengzhou, 450001, Henan, China
| | - Binghui Du
- Department of Epidemiology, School of Public Health, Zhengzhou University, Zhengzhou, 450001, Henan, China
| | - Opolot Godfrey
- Department of Epidemiology, School of Public Health, Zhengzhou University, Zhengzhou, 450001, Henan, China
| | - Xiliang Wang
- Department of Epidemiology, School of Public Health, Zhengzhou University, Zhengzhou, 450001, Henan, China
| | - Weidong Zhang
- Department of Epidemiology, School of Public Health, Zhengzhou University, Zhengzhou, 450001, Henan, China.
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Nalcaci S, Degirmenci C, Akkin C, Mentes J. Etiological factors in young patients with Retinal Vein Occlusion. Pak J Med Sci 2019; 35:1397-1401. [PMID: 31489014 PMCID: PMC6717490 DOI: 10.12669/pjms.35.5.546] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Objective: To present the etiological factors of patients with Retinal Vein Occlusion (RVO) under the age of 50 years. Methods: The study was conducted at Ege University Medicine Faculty Department of Ophthalmology. The clinical records of patients with RVO under the age of 50 seen between January 2014 and March 2018 were analyzed retrospectively. Forty patients comprised the study. Detailed ophthalmologic examination was performed. Past medical history, drug use, thrombophilic features, hyperviscosity syndromes and pathologies that may cause vasculitis were noted. Results: Forty patients, 22 (55%) male and 18 (45%) female, were included. Mean age was 41.6 ± 10.01 years. Mean intraocular pressure and best-corrected visual acuity were 16.8 ± 5.47mmHg and 0.76 ± 0.64 logMAR, respectively. Hyperhomocystenemia (15 patients, 37.5%), Behçet’s disease (three patients, 7.5%), diabetes and/or hypertension (16 patients, 40%), methylenetetrahydrofolate reductase gene mutation (11 patients, 27.5%), prothrombin gene mutation (four patients, 10%) and factor V Leiden mutation (five patients, 12.5%) were present among the patients as etiological factor. Multiple etiological factors were detected in 11 (27.5%) patients. Factor V Leiden mutation and methylenetetrahydrofolate reductase gene mutation were detected in one patient (2.5%) with Behçet’s disease. Four patients with diabetes and/or hypertension also had hyperhomocystenemia and one of them had additionally prothrombin gene mutation. Two patients with methylenetetrahydrofolate reductase gene mutation also had a factor V Leiden mutation and one of them had additionally a prothrombin gene mutation. Three patients with methylenetetrahydrofolate reductase gene mutation also had hyperhomocystenemia and one patient with prothrombin gene mutation also had methylenetetrahydrofolate reductase gene mutation. Conclusions: Etiological factors that might result in RVO in young individuals should be investigated in detail. Targeted therapies may help to prevent development of new RVOs and potential vascular problems in other organs.
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Affiliation(s)
- Serhad Nalcaci
- Dr. Serhad Nalcaci, M.D. Ege University Faculty of Medicine, Department of Ophthalmology, Izmir, Turkey
| | - Cumali Degirmenci
- Dr. Cumali Degirmenci, M.D. Ege University Faculty of Medicine, Department of Ophthalmology, Izmir, Turkey
| | - Cezmi Akkin
- Prof. Cezmi Akkin, M.D. Ege University Faculty of Medicine, Department of Ophthalmology, Izmir, Turkey
| | - Jale Mentes
- Prof. Jale Mentes, M.D. Ege University Faculty of Medicine, Department of Ophthalmology, Izmir, Turkey
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Chhungi V, Saraswathy K, Devi NK. CBS 844ins68, MTR A2756G and MTHFR C677T gene polymorphisms in hyperhomocysteinemia: A study among a non-tribal population group with East Asian ancestry (India). GENE REPORTS 2019. [DOI: 10.1016/j.genrep.2019.100436] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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George AK, Majumder A, Ice H, Homme RP, Eyob W, Tyagi SC, Singh M. Genes and genetics in hyperhomocysteinemia and the "1-carbon metabolism": implications for retinal structure and eye functions. Can J Physiol Pharmacol 2019; 98:51-60. [PMID: 31369712 DOI: 10.1139/cjpp-2019-0236] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Homocysteine (Hcy), a sulfur-containing nonproteinogenic amino acid, is generated as a metabolic intermediate. Hcy constitutes an important part of the "1-carbon metabolism" during methionine turnover. Elevated levels of Hcy known as hyperhomocysteinemia (HHcy) results from vitamin B deficiency, lack of exercise, smoking, excessive alcohol intake, high-fat and methionine-rich diet, and the underlying genetic defects. These factors directly affect the "1-carbon metabolism (methionine-Hcy-folate)" of a given cell. In fact, the Hcy levels are determined primarily by dietary intake, vitamin status, and the genetic blueprint of the susceptible individual. Although Hcy performs an important role in cellular functions, genetic alterations in any of the key enzymes responsible for the "1-carbon metabolism" could potentially upset the metabolic cycle, thus causing HHcy environment in susceptible people. As such, HHcy relates to several clinical conditions like atherosclerosis, myocardial infarction, stroke, cognitive impairment, dementia, Parkinson's disease, multiple sclerosis, epilepsy, and ocular disorders, among others. This article summarizes the findings from our laboratory and public database regarding genetics of HHcy and its effects on ocular disorders, their respective management during dysregulation of the 1-carbon metabolism.
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Affiliation(s)
- Akash K George
- Eye and Vision Science Laboratory, University of Louisville School of Medicine, Louisville, Kentucky 40202, USA.,Department of Physiology, University of Louisville School of Medicine, Louisville, Kentucky 40202, USA
| | - Avisek Majumder
- Department of Medicine, UCSF Helen Diller Family Comprehensive Cancer Center, University of California San Francisco, San Francisco, California 94158, USA
| | - Hayley Ice
- Eye and Vision Science Laboratory, University of Louisville School of Medicine, Louisville, Kentucky 40202, USA.,Department of Physiology, University of Louisville School of Medicine, Louisville, Kentucky 40202, USA
| | - Rubens P Homme
- Eye and Vision Science Laboratory, University of Louisville School of Medicine, Louisville, Kentucky 40202, USA.,Department of Physiology, University of Louisville School of Medicine, Louisville, Kentucky 40202, USA
| | - Wintana Eyob
- College of Arts and Sciences, Case Western Reserve University, 10900 Euclid Ave, Cleveland, OH 44106, USA
| | - Suresh C Tyagi
- Department of Physiology, University of Louisville School of Medicine, Louisville, Kentucky 40202, USA
| | - Mahavir Singh
- Eye and Vision Science Laboratory, University of Louisville School of Medicine, Louisville, Kentucky 40202, USA.,Department of Physiology, University of Louisville School of Medicine, Louisville, Kentucky 40202, USA
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The association between genetic risk score and blood pressure is modified by coffee consumption: Gene–diet interaction analysis in a population-based study. Clin Nutr 2019; 38:1721-1728. [DOI: 10.1016/j.clnu.2018.07.033] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2018] [Revised: 07/17/2018] [Accepted: 07/25/2018] [Indexed: 12/19/2022]
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