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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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2
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Sternberg Z. Neurodegenerative Etiology of Aromatic L-Amino Acid Decarboxylase Deficiency: a Novel Concept for Expanding Treatment Strategies. Mol Neurobiol 2024; 61:2996-3018. [PMID: 37953352 DOI: 10.1007/s12035-023-03684-2] [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: 02/07/2023] [Accepted: 09/29/2023] [Indexed: 11/14/2023]
Abstract
Aromatic l-amino acid decarboxylase deficiency (AADC-DY) is caused by one or more mutations in the DDC gene, resulting in the deficit in catecholamines and serotonin neurotransmitters. The disease has limited therapeutic options with relatively poor clinical outcomes. Accumulated evidence suggests the involvement of neurodegenerative mechanisms in the etiology of AADC-DY. In the absence of neurotransmitters' neuroprotective effects, the accumulation and the chronic presence of several neurotoxic metabolites including 4-dihydroxy-L-phenylalanine, 3-methyldopa, and homocysteine, in the brain of subjects with AADC-DY, promote oxidative stress and reduce the cellular antioxidant and methylation capacities, leading to glial activation and mitochondrial dysfunction, culminating to neuronal injury and death. These pathophysiological processes have the potential to hinder the clinical efficacy of treatments aimed at increasing neurotransmitters' synthesis and or function. This review describes in detail the mechanisms involved in AADC-DY neurodegenerative etiology, highlighting the close similarities with those involved in other neurodegenerative diseases. We then offer novel strategies for the treatment of the disease with the objective to either reduce the level of the metabolites or counteract their prooxidant and neurotoxic effects. These treatment modalities used singly or in combination, early in the course of the disease, will minimize neuronal injury, preserving the functional integrity of neurons, hence improving the clinical outcomes of both conventional and unconventional interventions in AADC-DY. These modalities may not be limited to AADC-DY but also to other metabolic disorders where a specific mutation leads to the accumulation of prooxidant and neurotoxic metabolites.
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Affiliation(s)
- Zohi Sternberg
- Jacobs School of Medicine and Biomedical Sciences, Buffalo Medical Center, Buffalo, NY, 14203, USA.
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3
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Jiang Y, Deng G, Liu C, Tang H, Zheng J, Kong X, Zhao M, Liu Y, Gao P, Li T, Zhao H, Cao Y, Li P, Ma L. Tangshen formula improves diabetic nephropathy in STZ-induced diabetes rats fed with hyper-methionine by regulating the methylation status of kidney. Clin Epigenetics 2024; 16:1. [PMID: 38167534 PMCID: PMC10763145 DOI: 10.1186/s13148-023-01620-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2023] [Accepted: 12/20/2023] [Indexed: 01/05/2024] Open
Abstract
BACKGROUND The objective of this study was to examine and analyze differential methylation profiles in order to investigate the influence of hyper-methioninemia (HM) on the development of diabetic nephropathy (DN). Male Wistar rats, aged eight weeks and weighing 250-300 g, were randomly assigned into four groups: a control group (Healthy, n = 8), streptozocin-induced rats (STZ group, n = 8), HM + STZ group (n = 8), and the Tangshen Formula (TSF) treatment group (TSF group, n = 8). Blood glucose levels and other metabolic indicators were monitored before treatment and at four-week intervals until 12 weeks. Total DNA was extracted from the aforementioned groups, and DNA methylation landscapes were analyzed via reduced representative bisulfite sequencing. RESULTS Both the STZ group and HM + STZ group exhibited increased blood glucose levels and urinary albumin/creatinine ratios in comparison with the control group. Notably, the HM + STZ group exhibited a markedly elevated urinary albumin/creatinine ratio (411.90 ± 88.86 mg/g) compared to the STZ group (238.41 ± 62.52 mg/g). TSF-treated rats demonstrated substantial reductions in both blood glucose levels and urinary albumin/creatinine ratios in comparison with the HM + STZ group. In-depth analysis of DNA methylation profiles revealed 797 genes with potential therapeutic effects related to TSF, among which approximately 2.3% had been previously reported as homologous genes. CONCLUSION While HM exacerbates DN through altered methylation patterns at specific CpG sites, TSF holds promise as a viable treatment for DN by restoring abnormal methylation levels. The identification of specific genes provides valuable insights into the underlying mechanisms of DN pathogenesis and offers potential therapeutic targets for further investigation.
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Affiliation(s)
- Yongwei Jiang
- Clinical Laboratory, China-Japan Friendship Hospital, No. 2 Yinghua East Street, Chaoyang District, Beijing, 100029, China
| | - GuoXiong Deng
- Clinical Laboratory, China-Japan Friendship Hospital, No. 2 Yinghua East Street, Chaoyang District, Beijing, 100029, China
| | - Chengyin Liu
- BioChain (Beijing) Science and Technology Inc., No. 18 Hongda South Road, BDA, Beijing, 100176, China
| | - Han Tang
- BioChain (Beijing) Science and Technology Inc., No. 18 Hongda South Road, BDA, Beijing, 100176, China
| | - Jing Zheng
- Clinical Laboratory, China-Japan Friendship Hospital, No. 2 Yinghua East Street, Chaoyang District, Beijing, 100029, China
| | - Xiaomu Kong
- Clinical Laboratory, China-Japan Friendship Hospital, No. 2 Yinghua East Street, Chaoyang District, Beijing, 100029, China
| | - Meimei Zhao
- Clinical Laboratory, China-Japan Friendship Hospital, No. 2 Yinghua East Street, Chaoyang District, Beijing, 100029, China
| | - Yi Liu
- Clinical Laboratory, China-Japan Friendship Hospital, No. 2 Yinghua East Street, Chaoyang District, Beijing, 100029, China
| | - Peng Gao
- Clinical Laboratory, China-Japan Friendship Hospital, No. 2 Yinghua East Street, Chaoyang District, Beijing, 100029, China
| | - Tianbao Li
- BioChain (Beijing) Science and Technology Inc., No. 18 Hongda South Road, BDA, Beijing, 100176, China
| | - Hailing Zhao
- Beijing Key Lab Immune-Mediated Inflammatory Diseases, Institute of Clinical Medical Science, China-Japan Friendship Hospital, No. 2 Yinghua East Street, Chaoyang District, Beijing, 100029, China
| | - Yongtong Cao
- Clinical Laboratory, China-Japan Friendship Hospital, No. 2 Yinghua East Street, Chaoyang District, Beijing, 100029, China.
| | - Ping Li
- Beijing Key Lab Immune-Mediated Inflammatory Diseases, Institute of Clinical Medical Science, China-Japan Friendship Hospital, No. 2 Yinghua East Street, Chaoyang District, Beijing, 100029, China.
| | - Liang Ma
- Clinical Laboratory, China-Japan Friendship Hospital, No. 2 Yinghua East Street, Chaoyang District, Beijing, 100029, China.
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4
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Katsushima M, Minamino H, Shirakashi M, Onishi A, Fujita Y, Yamamoto W, Onizawa H, Tsuji H, Watanabe R, Murakami K, Fujii T, Murata K, Tanaka M, Inagaki N, Morinobu A, Hashimoto M. High plasma homocysteine level is associated with increased prevalence of the non-remission state in rheumatoid arthritis: Findings from the KURAMA cohort. Mod Rheumatol 2023; 33:911-917. [PMID: 36069659 DOI: 10.1093/mr/roac106] [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: 05/11/2022] [Revised: 07/28/2022] [Accepted: 08/31/2022] [Indexed: 11/13/2022]
Abstract
OBJECTIVES We aimed to determine the clinical impact of plasma homocysteine levels on disease activity and clinical remission in patients with rheumatoid arthritis (RA). METHODS A cross-sectional study was conducted using KURAMA (Kyoto University Rheumatoid Arthritis Management Alliance) database. We enrolled 291 female patients, who were treated in a treat-to-target manner. We measured plasma total homocysteine using a liquid chromatography-tandem mass spectrometry system and collected clinical data including a 28-joint RA disease activity score-erythrocyte sedimentation rate (DAS28-ESR). Clinical remission of disease activity was defined as a DAS28-ESR < 2.6. RESULTS In a univariable analysis, the plasma homocysteine concentration was significantly and positively associated with DAS-28-ESR and was higher in the non-remission group than in the remission group. The cutoff value of the plasma homocysteine level was calculated to be 7.9 nmol/mL by the test of the receiver operating characteristic curve analysis. In a multivariable analysis, after adjusting for clinically relevant variables, the high homocysteine level remained a significant positive association for DAS28-ESR (estimate 0.27, P = .0019) and a positive factor for the presence of RA non-remission (odds ratio 2.39, P = .0071). CONCLUSIONS Increased plasma homocysteine levels showed a significant positive association with current disease activity and the non-remission state in female patients with RA under treat-to-target treatment. The findings suggest the potential utility of plasma homocysteine as a disease state marker reflecting conditions that are treatment failure and difficult to remission and may provide clinical evidence on the interplay between homocysteine and inflammatory activation in RA.
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Affiliation(s)
- Masao Katsushima
- Department of Rheumatology and Clinical Immunology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
- Department of Clinical Immunology, Graduate School of Medicine, Osaka Metropolitan University, Osaka, Japan
| | - Hiroto Minamino
- Department of Diabetes, Endocrinology and Nutrition, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Mirei Shirakashi
- Department of Rheumatology and Clinical Immunology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Akira Onishi
- Department of Advanced Medicine for Rheumatic Diseases, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Yoshihito Fujita
- Department of Diabetes, Endocrinology and Nutrition, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Wataru Yamamoto
- Department of Health Information Management, Kurashiki Sweet Hospital, Okayama, Japan
| | - Hideo Onizawa
- Department of Advanced Medicine for Rheumatic Diseases, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Hideaki Tsuji
- Department of Rheumatology and Clinical Immunology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Ryu Watanabe
- Department of Clinical Immunology, Graduate School of Medicine, Osaka Metropolitan University, Osaka, Japan
- Department of Advanced Medicine for Rheumatic Diseases, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Kosaku Murakami
- Department of Rheumatology and Clinical Immunology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
- Center for Cancer Immunotherapy and Immunobiology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Takayuki Fujii
- Department of Advanced Medicine for Rheumatic Diseases, Graduate School of Medicine, Kyoto University, Kyoto, Japan
- Department of Orthopaedic Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Koichi Murata
- Department of Advanced Medicine for Rheumatic Diseases, Graduate School of Medicine, Kyoto University, Kyoto, Japan
- Department of Orthopaedic Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Masao Tanaka
- Department of Advanced Medicine for Rheumatic Diseases, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Nobuya Inagaki
- Department of Diabetes, Endocrinology and Nutrition, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Akio Morinobu
- Department of Rheumatology and Clinical Immunology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
- Department of Advanced Medicine for Rheumatic Diseases, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Motomu Hashimoto
- Department of Clinical Immunology, Graduate School of Medicine, Osaka Metropolitan University, Osaka, Japan
- Department of Advanced Medicine for Rheumatic Diseases, Graduate School of Medicine, Kyoto University, Kyoto, Japan
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5
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Zou H, Liu M, Li Y, Zhao F, Ren G. An efficient LC-MS/MS method for simultaneous determination of four substances in the Hcy metabolism pathway. Bioanalysis 2023; 15:727-737. [PMID: 37354095 DOI: 10.4155/bio-2023-0049] [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] [Indexed: 06/26/2023] Open
Abstract
Aim: This study aimed to develop and validate an efficient LC-MS/MS method for the simultaneous determination of Hcy, Cys, Met and 5-methyltetrahydrofolate in human serum and to apply this method to patients with coronary artery disease. Methodology and results: Serum samples were prepared by reduction with dithiothreitol followed by protein precipitation. The analytical run time was 2.2 min. The linearity was good in the range of 2-100 μmol/l-1 for Hcy and Met, 10-500 μmol/l-1 for Cys, and 1-50 ng/ml-1 for 5-methyltetrahydrofolate. Conclusion: An accurate and precise method that was rapid, robust and with high-throughput for the routine clinical monitoring of patients with coronary artery disease was developed.
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Affiliation(s)
- Hongyang Zou
- Jinzhou Medical University, Jinzhou, 121000, China
| | - Mingli Liu
- Dalian Boyuan Medical Lab Co. Ltd, Dalian, 116000, China
| | - Ying Li
- Dalian Boyuan Medical Lab Co. Ltd, Dalian, 116000, China
| | - Furong Zhao
- Dalian Boyuan Medical Lab Co. Ltd, Dalian, 116000, China
| | - Guocheng Ren
- Jinzhou Medical University, Jinzhou, 121000, China
- Chaoyang Central Hospital, Chaoyang, 122000, China
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6
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Zhu XZ, Deng ZM, Dai FF, Liu H, Cheng YX. The impact of early pregnancy metabolic disorders on pregnancy outcome and the specific mechanism. Eur J Med Res 2023; 28:197. [PMID: 37355665 DOI: 10.1186/s40001-023-01161-z] [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: 11/20/2022] [Accepted: 06/08/2023] [Indexed: 06/26/2023] Open
Abstract
Miscarriage is the most common complication of pregnancy. The most common causes of early miscarriage are chromosomal abnormalities of the embryo, maternal endocrine abnormalities, organ malformations, and abnormal immune factors. Late miscarriages are mostly caused by factors such as cervical insufficiency. However, the causes of 50% of miscarriages remain unknown. Recently, increasing attention has been given to the role of metabolic abnormalities in miscarriage. In this review, we mainly discuss the roles of four major metabolic pathways (glucose, lipid, and amino acid metabolism, and oxidation‒reduction balance) in miscarriage and the metabolism-related genes that lead to metabolic disorders in miscarriage. Depending on aetiology, the current treatments for miscarriage include hormonal and immunological drugs, as well as surgery, while there are few therapies for metabolism. Therefore, we also summarize the drugs for metabolism-related targets. The study of altered metabolism underlying miscarriage not only helps us to understand the mechanisms involved in miscarriage but also provides an important basis for clinical research on new therapies.
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Affiliation(s)
- Xi-Zi Zhu
- Department of Obstetrics and Gynecology, Renmin Hospital of Wuhan University, 99 Zhang Zhidong Road, Wuhan, 430060, Hubei, China
| | - Zhi-Min Deng
- Department of Obstetrics and Gynecology, Renmin Hospital of Wuhan University, 99 Zhang Zhidong Road, Wuhan, 430060, Hubei, China
| | - Fang-Fang Dai
- Department of Obstetrics and Gynecology, Renmin Hospital of Wuhan University, 99 Zhang Zhidong Road, Wuhan, 430060, Hubei, China
| | - Hua Liu
- Department of Obstetrics and Gynecology, Renmin Hospital of Wuhan University, 99 Zhang Zhidong Road, Wuhan, 430060, Hubei, China.
| | - Yan-Xiang Cheng
- Department of Obstetrics and Gynecology, Renmin Hospital of Wuhan University, 99 Zhang Zhidong Road, Wuhan, 430060, Hubei, China.
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7
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Korczowska-Łącka I, Hurła M, Banaszek N, Kobylarek D, Szymanowicz O, Kozubski W, Dorszewska J. Selected Biomarkers of Oxidative Stress and Energy Metabolism Disorders in Neurological Diseases. Mol Neurobiol 2023; 60:4132-4149. [PMID: 37039942 DOI: 10.1007/s12035-023-03329-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Accepted: 03/22/2023] [Indexed: 04/12/2023]
Abstract
Neurological diseases can be broadly divided according to causal factors into circulatory system disorders leading to ischemic stroke; degeneration of the nerve cells leading to neurodegenerative diseases, such as Alzheimer's (AD) and Parkinson's (PD) diseases, and immune system disorders; bioelectric activity (epileptic) problems; and genetically determined conditions as well as viral and bacterial infections developing inflammation. Regardless of the cause of neurological diseases, they are usually accompanied by disturbances of the central energy in a completely unexplained mechanism. The brain makes up only 2% of the human body's weight; however, while working, it uses as much as 20% of the energy obtained by the body. The energy requirements of the brain are very high, and regulatory mechanisms in the brain operate to ensure adequate neuronal activity. Therefore, an understanding of neuroenergetics is rapidly evolving from a "neurocentric" view to a more integrated picture involving cooperativity between structural and molecular factors in the central nervous system. This article reviewed selected molecular biomarkers of oxidative stress and energy metabolism disorders such as homocysteine, DNA damage such as 8-oxo2dG, genetic variants, and antioxidants such as glutathione in selected neurological diseases including ischemic stroke, AD, PD, and epilepsy. This review summarizes our and others' recent research on oxidative stress in neurological disorders. In the future, the diagnosis and treatment of neurological diseases may be substantially improved by identifying specific early markers of metabolic and energy disorders.
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Affiliation(s)
- Izabela Korczowska-Łącka
- Laboratory of Neurobiology, Department of Neurology, Poznan University of Medical Sciences, 49, Przybyszewskiego St, 60-355, Poznan, Poland
| | - Mikołaj Hurła
- Laboratory of Neurobiology, Department of Neurology, Poznan University of Medical Sciences, 49, Przybyszewskiego St, 60-355, Poznan, Poland
| | - Natalia Banaszek
- Laboratory of Neurobiology, Department of Neurology, Poznan University of Medical Sciences, 49, Przybyszewskiego St, 60-355, Poznan, Poland
| | - Dominik Kobylarek
- Chair and Department of Neurology, Poznan University of Medical Sciences, Poznan, Poland
| | - Oliwia Szymanowicz
- Laboratory of Neurobiology, Department of Neurology, Poznan University of Medical Sciences, 49, Przybyszewskiego St, 60-355, Poznan, Poland
| | - Wojciech Kozubski
- Chair and Department of Neurology, Poznan University of Medical Sciences, Poznan, Poland
| | - Jolanta Dorszewska
- Laboratory of Neurobiology, Department of Neurology, Poznan University of Medical Sciences, 49, Przybyszewskiego St, 60-355, Poznan, Poland.
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8
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Zhang N, Li Z, Wu Q, Huang H, Wang S, Liu Y, Chen J, Ma J. Associations of Dietary Zinc-Vitamin B6 Ratio with All-Cause Mortality and Cardiovascular Disease Mortality Based on National Health and Nutrition Examination Survey 1999-2016. Nutrients 2023; 15:nu15020420. [PMID: 36678291 PMCID: PMC9864187 DOI: 10.3390/nu15020420] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2022] [Revised: 01/10/2023] [Accepted: 01/11/2023] [Indexed: 01/15/2023] Open
Abstract
Previous studies have suggested a possible association among dietary zinc and vitamin B6 intake and CVD mortality and all-cause mortality. However, evidence on the association of dietary zinc and vitamin B6 intake and their interactions with CVD mortality and all-cause mortality remains unclear. This prospective study utilized data from the US National Health and Nutrition Examination Survey (NHANES) from 1999 to 2016. After a median follow-up of 10.4 years, 4757 deaths were recorded among 36,081 participants. Higher dietary zinc intake levels (≥9.87 mg/day) were associated with lower CVD mortality (hazard ratio (HR) = 0.85, 95% confidence interval (CI): 0.83−0.87). Vitamin B6 intake levels (≥1.73 mg/day) were associated with lower CVD mortality (HR = 0.91, 95% CI: 0.86−0.96) and all-cause mortality (HR = 0.91, 95% CI: 0.90−0.93). Higher dietary zinc intake and higher vitamin B6 intake were associated with a lower risk of CVD mortality, with an interaction between dietary zinc intake levels and vitamin B intake levels (LZLV group (HR, CI): 1.21,1.12−1.29; LZHV group (HR, CI): 1.42, 1.34−1.50; LZHV group (HR, CI): 1.28, 1.14−1.45; HZHV group (HR, CI): ref). There was also a J-type association (p for nonlinear < 0.001) between the dietary zinc−vitamin B6 ratio and CVD mortality, with a high dietary zinc−vitamin B6 ratio increasing the risk of CVD mortality (HR = 1.27, 95% CI: 1.19−1.35), whereas a moderate dietary zinc−vitamin B6 ratio appeared to be beneficial for CVD mortality. These results suggest that increasing the appropriate proportion of dietary zinc and vitamin B6 intake is associated with a lower risk of CVD mortality. Furthermore, precise and representative studies are needed to verify our findings.
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Affiliation(s)
- Naijian Zhang
- School of Public Health, Tianjin Medical University, Tianjin 300070, China
| | - Zhilin Li
- School of Public Health, Tianjin Medical University, Tianjin 300070, China
| | - Qingcui Wu
- School of Public Health, Tianjin Medical University, Tianjin 300070, China
| | - Huijie Huang
- School of Public Health, Tianjin Medical University, Tianjin 300070, China
| | - Siting Wang
- School of Public Health, Tianjin Medical University, Tianjin 300070, China
| | - Yuanyuan Liu
- School of Public Health, Tianjin Medical University, Tianjin 300070, China
| | - Jiageng Chen
- School of Public Health, Tianjin Medical University, Tianjin 300070, China
- Correspondence: (J.C.); (J.M.)
| | - Jun Ma
- School of Public Health, Tianjin Medical University, Tianjin 300070, China
- Tianjin Key Laboratory of Environment, Nutrition and Public Health, Tianjin 300070, China
- Correspondence: (J.C.); (J.M.)
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9
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Epigenetic Regulation by microRNAs in Hyperhomocysteinemia-Accelerated Atherosclerosis. Int J Mol Sci 2022; 23:ijms232012452. [PMID: 36293305 PMCID: PMC9604464 DOI: 10.3390/ijms232012452] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Revised: 10/13/2022] [Accepted: 10/14/2022] [Indexed: 11/16/2022] Open
Abstract
Increased serum levels of homocysteine (Hcy) is a risk factor for cardiovascular disease and is specifically linked to various diseases of the vasculature such as atherosclerosis. However, the precise mechanisms by which Hcy contributes to this condition remain elusive. During the development of atherosclerosis, epigenetic modifications influence gene expression. As such, epigenetic modifications are an adaptive response to endogenous and exogenous factors that lead to altered gene expression by methylation and acetylation reactions of different substrates and the action of noncoding RNA including microRNAs (miRNAs). Epigenetic remodeling modulates cell biology in both physiological and physiopathological conditions. DNA and histone modification have been identified to have a crucial role in the progression of atherosclerosis. However, the potential role of miRNAs in hyperHcy (HHcy)-related atherosclerosis disease remains poorly explored and might be essential as well. There is no review available yet summarizing the contribution of miRNAs to hyperhomocystein-mediated atherogenicity or their potential as therapeutic targets even though their important role has been described in numerous studies. Specifically, downregulation of miR-143 or miR-125b has been shown to regulate VSCMs proliferation in vitro. In preclinical studies, downregulation of miR-92 or miR195-3p has been shown to increase the accumulation of cholesterol in foam cells and increase macrophage inflammation and atherosclerotic plaque formation, respectively. Another preclinical study found that there is a reciprocal regulation between miR-148a/152 and DNMT1 in Hcy-accelerated atherosclerosis. Interestingly, a couple of studies have shown that miR-143 or miR-217 may be used as potential biomarkers in patients with HHcy that may develop atherosclerosis. Moreover, the current review will also update current knowledge on miRNA-based therapies, their challenges, and approaches to deal with Hcy-induced atherosclerosis.
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10
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Liu L, Duan H, Wang H, Miao J, Wu Z, Li C, Lu Y. Lysosome-Targeting Fluorescence Sensor for Sequential Detection and Imaging of Cu 2+ and Homocysteine in Living Cells. ACS OMEGA 2022; 7:34249-34257. [PMID: 36188316 PMCID: PMC9520687 DOI: 10.1021/acsomega.2c03691] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/14/2022] [Accepted: 09/06/2022] [Indexed: 06/16/2023]
Abstract
A conjugated polymer-based fluorescence sensor, namely, PTNPy, was constructed on the basis of a polythiophene scaffold coupled with dimethylpyridylamine (DPA) groups in side chains for the consecutive detection and quantification of Cu2+ and Hcy in a perfect aqueous medium. A dramatic fluorescence quenching of PTNPy by the addition of Cu2+ was observed in Tris-HCl buffer solution (2 mM, pH 7.4), demonstrating a quick (<1 min) and highly selective response to Cu2+ with a low limit of detection of 6.79 nM. Subsequently, the Cu2+-quenched fluorescence of PTNPy can be completely recovered by homocysteine (Hcy), showing excellent selectivity to Hcy over other competitive species such as cysteine and glutathione. Thanks to the low cytotoxicity and lysosomal targeting ability of PTNPy, it was further applied as an optical sensor for the sequential imaging of Cu2+ and Hcy in HeLa cells. More importantly, Hcy concentration was linearly related to the fluorescence intensity of PTNPy in living cells, demonstrating huge potential for real-time monitoring the fluctuation of Hcy levels in living cells.
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Affiliation(s)
- Lihua Liu
- School
of Materials Science & Engineering, Tianjin Key Laboratory for
Photoelectric Materials and Devices, Key Laboratory of Display Materials
& Photoelectric Devices, Ministry of Education, Tianjin University of Technology, Tianjin 300384, P. R. China
| | - Hongfei Duan
- School
of Materials Science & Engineering, Tianjin Key Laboratory for
Photoelectric Materials and Devices, Key Laboratory of Display Materials
& Photoelectric Devices, Ministry of Education, Tianjin University of Technology, Tianjin 300384, P. R. China
| | - Haohui Wang
- College
of Chemistry, Nankai University, Tianjin 300071, P. R. China
| | - Jieru Miao
- School
of Materials Science & Engineering, Tianjin Key Laboratory for
Photoelectric Materials and Devices, Key Laboratory of Display Materials
& Photoelectric Devices, Ministry of Education, Tianjin University of Technology, Tianjin 300384, P. R. China
| | - Zhihui Wu
- School
of Materials Science & Engineering, Tianjin Key Laboratory for
Photoelectric Materials and Devices, Key Laboratory of Display Materials
& Photoelectric Devices, Ministry of Education, Tianjin University of Technology, Tianjin 300384, P. R. China
| | - Chenxi Li
- College
of Chemistry, Nankai University, Tianjin 300071, P. R. China
| | - Yan Lu
- School
of Materials Science & Engineering, Tianjin Key Laboratory for
Photoelectric Materials and Devices, Key Laboratory of Display Materials
& Photoelectric Devices, Ministry of Education, Tianjin University of Technology, Tianjin 300384, P. R. China
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11
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Jung S, Choi BH, Joo NS. Serum Homocysteine and Vascular Calcification: Advances in Mechanisms, Related Diseases, and Nutrition. Korean J Fam Med 2022; 43:277-289. [PMID: 36168899 PMCID: PMC9532189 DOI: 10.4082/kjfm.21.0227] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2021] [Accepted: 04/08/2022] [Indexed: 11/08/2022] Open
Abstract
Identifying and preventing modifiable risk factors for cardiovascular disease is very important. Vascular calcification has been studied clinically as an asymptomatic preclinical marker of atherosclerosis and a risk factor for cardio-cerebrovascular disease. It is known that higher homocysteine levels are associated with calcified plaques and the higher the homocysteine level, the higher the prevalence and progression of vascular calcification. Homocysteine is a byproduct of methionine metabolism and is generally maintained at a physiological level. Moreover, it may increase if the patient has a genetic deficiency of metabolic enzymes, nutritional deficiencies of related cofactors (vitamins), chronic diseases, or a poor lifestyle. Homocysteine is an oxidative stress factor that can lead to calcified plaques and trigger vascular inflammation. Hyperhomocysteinemia causes endothelial dysfunction, transdifferentiation of vascular smooth muscle cells, and the induction of apoptosis. As a result of transdifferentiation and cell apoptosis, hydroxyapatite accumulates in the walls of blood vessels. Several studies have reported on the mechanisms of multiple cellular signaling pathways that cause inflammation and calcification in blood vessels. Therefore, in this review, we take a closer look at understanding the clinical consequences of hyperhomocysteinemia and apply clinical approaches to reduce its prevalence.
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Affiliation(s)
- Susie Jung
- Department of Family Practice and Community Health, Ajou University School of Medicine, Suwon, Korea
| | | | - Nam-Seok Joo
- Department of Family Practice and Community Health, Ajou University School of Medicine, Suwon, Korea
- Corresponding Author: Nam-Seok Joo Tel: +82-31-219-5324, Fax: +82-31-219-5218, E-mail:
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12
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Li J, Li F, Yu N, Liu Z. The betaine-dependent remethylation pathway is a homocysteine metabolism pathway associated with the carnivorous feeding habits of spiders. INSECT SCIENCE 2022; 29:1047-1058. [PMID: 34647692 DOI: 10.1111/1744-7917.12976] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/02/2021] [Revised: 09/08/2021] [Accepted: 09/21/2021] [Indexed: 06/13/2023]
Abstract
Homocysteine (Hcy) is a sulfur-containing amino acid derived from the essential amino acid methionine (Met). Circulating levels of Hcy in animals can be increased by feeding on Met-enriched diets, which is generally considered harmful. Spiders are one of the largest groups of obligate carnivores and feed on animals high in protein and Met. We analyzed the Hcy metabolism pathways in 18 species of 3 taxa (Mammalia, Insecta, and Arachnida) and found that the betaine-dependent remethylation pathway (BRP) was present in all carnivorous arachnid species and mammals but absent in insects and red spider mites. We then studied the Hcy metabolism pathway in Pardosa pseudoannulata. In P. pseudoannulata, Hcy is metabolized through the transsulfuration pathway, BRP, and S-methylmethionine-dependent remethylation pathway. Because of a prior duplication event of the betaine homocysteine S-methyltransferase (BHMT) gene in the BRP, BHMTa and BHMTb are present in tandem in the genome of P. pseudoannulata. The high expression levels of BHMTa and its high abundance in detoxification tissues indicate that it plays an important role in the BRP; the ability of BHMTa and BHMTb to remethylate Hcy using betaine as substrate was similar. Compared with other Hcy metabolic enzyme genes, BHMT responded quickly to the application of Hcy or betaine. In sum, the BRP is important in Hcy metabolism in P. pseudoannulata and in other spider species.
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Affiliation(s)
- Jingjing Li
- Key laboratory of Integrated Management of Crop Diseases and Pests (Ministry of Education), College of Plant Protection, Nanjing Agricultural University, Nanjing, China
| | - Fangfang Li
- Key laboratory of Integrated Management of Crop Diseases and Pests (Ministry of Education), College of Plant Protection, Nanjing Agricultural University, Nanjing, China
| | - Na Yu
- Key laboratory of Integrated Management of Crop Diseases and Pests (Ministry of Education), College of Plant Protection, Nanjing Agricultural University, Nanjing, China
| | - Zewen Liu
- Key laboratory of Integrated Management of Crop Diseases and Pests (Ministry of Education), College of Plant Protection, Nanjing Agricultural University, Nanjing, China
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13
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Wang H, Han A, Jiang S, Cao D, Jiang Y, Sun L, Zou N, Tao S, Xue X, Shao X, Li J. Homocysteine Level Related to Age Is Associated With Embryo Quality in Women Who Had IVF With Diminished Ovarian Reserve. FRONTIERS IN REPRODUCTIVE HEALTH 2022; 4:886277. [PMID: 36303650 PMCID: PMC9580749 DOI: 10.3389/frph.2022.886277] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Accepted: 06/09/2022] [Indexed: 11/22/2022] Open
Affiliation(s)
- Haiyan Wang
- Department of Histology and Embryology, School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
- Reproductive and Genetic Medical Center, Dalian Women and Children's Medical Group, Dalian, China
| | - Aiqing Han
- School of Management, Beijing University of Chinese Medicine, Beijing, China
| | - Shiyuan Jiang
- Department of Histology and Embryology, School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Dan Cao
- Department of Histology and Embryology, School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Yangyu Jiang
- Department of Histology and Embryology, School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Lin Sun
- Reproductive and Genetic Medical Center, Dalian Women and Children's Medical Group, Dalian, China
| | - Na Zou
- Department of Pathology, Dalian Municipal Women and Children's Medical Center (Group), Dalian, China
| | - Shiying Tao
- Department of Histology and Embryology, School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Xiaoou Xue
- Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing, China
| | - Xiaoguang Shao
- Reproductive and Genetic Medical Center, Dalian Women and Children's Medical Group, Dalian, China
- Xiaoguang Shao
| | - Jian Li
- Department of Histology and Embryology, School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
- *Correspondence: Jian Li
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14
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Zvyagina VI, Belskikh ES. Comparative Assessment of the Functional Activity of Rat Epididymal Mitochondria in Oxidative Stress Induced by Hyperhomocysteinemia and L-NAME Administration. J EVOL BIOCHEM PHYS+ 2022. [DOI: 10.1134/s0022093022020065] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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15
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Santos García D, García Roca L, de Deus Fonticoba T, Cores Bartolomé C, Naya Ríos L, Canfield H, Paz González JM, Martínez Miró C, Jesús S, Aguilar M, Pastor P, Planellas L, Cosgaya M, García Caldentey J, Caballol N, Legarda I, Hernández Vara J, Cabo I, López Manzanares L, González Aramburu I, Ávila Rivera MA, Gómez Mayordomo V, Nogueira V, Puente V, Dotor García-Soto J, Borrué C, Solano Vila B, Álvarez Sauco M, Vela L, Escalante S, Cubo E, Carrillo Padilla F, Martínez Castrillo JC, Sánchez Alonso P, Alonso Losada MG, López Ariztegui N, Gastón I, Kulisevsky J, Blázquez Estrada M, Seijo M, Rúiz Martínez J, Valero C, Kurtis M, de Fábregues O, González Ardura J, Alonso Redondo R, Ordás C, López Díaz L LM, McAfee D, Martinez-Martin P, Mir P. Constipation Predicts Cognitive Decline in Parkinson's Disease: Results from the COPPADIS Cohort at 2-Year Follow-up and Comparison with a Control Group. JOURNAL OF PARKINSON'S DISEASE 2022; 12:315-331. [PMID: 34602501 DOI: 10.3233/jpd-212868] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
BACKGROUND Constipation has been linked to cognitive impairment development in Parkinson's disease (PD). OBJECTIVE Our aim was to analyze cognitive changes observed in PD patients and controls from a Spanish cohort with regards to the presence or not of constipation. METHODS PD patients and controls recruited from 35 centers of Spain from the COPPADIS cohort from January 2016 to November 2017 were followed-up during 2 years. The change in cognitive status from baseline (V0) to 2-year follow-up was assessed with the PD-CRS (Parkinson's Disease Cognitive Rating Scale). Subjects with a score ≥1 on item 21 of the NMSS (Non-Motor Symptoms Scale) at baseline (V0) were considered as "with constipation". Regression analyses were applied for determining the contribution of constipation in cognitive changes. RESULTS At V0, 39.7% (198/499) of PD patients presented constipation compared to 11.4% of controls (14/123) (p < 0.0001). No change was observed in cognitive status (PD-CRS total score) neither in controls without constipation (from 100.24±13.72 to 100.27±13.68; p = 0.971) and with constipation (from 94.71±10.96 to 93.93±13.03; p = 0.615). The PD-CRS total score decreased significantly in PD patients with constipation (from 89.14±15.36 to 85.97±18.09; p < 0.0001; Coehn's effect = -0.35) compared to patients without constipation (from 93.92±15.58 to 93.14±17.52; p = 0.250) (p = 0.018). In PD patients, to suffer from constipation at V0 was associated with a decrease in the PD-CRS total score from V0 to V2 (β= -0.1; 95% CI, -4.36 - -0.27; p = 0.026) and having cognitive impairment at V2 (OR = 1.79; 95% CI, 1.01 - 3.17; p = 0.045). CONCLUSION Constipation is associated with cognitive decline in PD patients but not in controls.
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Affiliation(s)
| | - Lucía García Roca
- CHUAC, Complejo Hospitalario Universitario de A Coruña, A Coruña, Spain
| | | | | | - Lucía Naya Ríos
- CHUF, Complejo Hospitalario Universitario de Ferrol, A Coruña, Spain
| | - Héctor Canfield
- CHUF, Complejo Hospitalario Universitario de Ferrol, A Coruña, Spain
| | | | | | - Silvia Jesús
- Unidad de Trastornos del Movimiento, Servicio de Neurología y Neurofisiología Clínica, Instituto de Biomedicina de Sevilla, Hospital Universitario Virgen del Rocío/CSIC/Universidad de Sevilla, Seville, Spain.,CIBERNED (Centro de Investigación Biomédica en Red Enfermedades Neurodegenerativas), Spain
| | - Miquel Aguilar
- Hospital Universitari Mutua de Terrassa, Terrassa, Barcelona, Spain
| | - Pau Pastor
- Hospital Universitari Mutua de Terrassa, Terrassa, Barcelona, Spain
| | | | | | | | - Nuria Caballol
- Consorci Sanitari Integral, Hospital Moisés Broggi, Sant Joan Despí, Barcelona, Spain
| | - Ines Legarda
- Hospital Universitario Son Espases, Palma de Mallorca, Spain
| | - Jorge Hernández Vara
- CIBERNED (Centro de Investigación Biomédica en Red Enfermedades Neurodegenerativas), Spain.,Hospital Universitario Vall d'Hebron, Barcelona, Spain
| | - Iria Cabo
- Complejo Hospitalario Universitario de Pontevedra (CHOP), Pontevedra, Spain
| | | | - Isabel González Aramburu
- CIBERNED (Centro de Investigación Biomédica en Red Enfermedades Neurodegenerativas), Spain.,Hospital Universitario Marqués de Valdecilla, Santander, Spain
| | - Maria A Ávila Rivera
- Consorci Sanitari Integral, Hospital General de L'Hospitalet, L'Hospitalet de Llobregat, Barcelona, Spain
| | | | | | | | | | | | - Berta Solano Vila
- Institut d'Assistència Sanitária (IAS) - Institut Catalá de la Salut, Girona, Spain
| | | | - Lydia Vela
- Fundación Hospital de Alcorcón, Madrid, Spain
| | - Sonia Escalante
- Hospital de Tortosa Verge de la Cinta (HTVC), Tortosa, Tarragona, Spain
| | - Esther Cubo
- Complejo Asistencial Universitario de Burgos, Burgos, Spain
| | | | | | | | - Maria G Alonso Losada
- Hospital Álvaro Cunqueiro, Complejo Hospitalario Universitario de Vigo (CHUVI), Vigo, Spain
| | | | | | - Jaime Kulisevsky
- CIBERNED (Centro de Investigación Biomédica en Red Enfermedades Neurodegenerativas), Spain.,Hospital de Sant Pau, Barcelona, Spain
| | | | - Manuel Seijo
- Complejo Hospitalario Universitario de Pontevedra (CHOP), Pontevedra, Spain
| | | | | | | | | | | | | | - Carlos Ordás
- Hospital Rey Juan Carlos, Madrid, Spain, Madrid, Spain
| | | | - Darrian McAfee
- University of Maryland School of Medicine, Baltimore, MD, USA
| | - Pablo Martinez-Martin
- CIBERNED (Centro de Investigación Biomédica en Red Enfermedades Neurodegenerativas), Spain
| | - Pablo Mir
- CIBERNED (Centro de Investigación Biomédica en Red Enfermedades Neurodegenerativas), Spain.,Unidad de Trastornos del Movimiento, Servicio de Neurología y Neurofisiología Clínica, Instituto de Biomedicina de Sevilla, Hospital Universitario Virgen del Rocío/CSIC/Universidad de Sevilla, Seville, Spain
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16
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Akrivi EA, Vlessidis AG, Kourkoumelis N, Giokas DL, Tsogas GZ. Gold-activated luminol chemiluminescence for the selective determination of cysteine over homocysteine and glutathione. Talanta 2022; 245:123464. [PMID: 35460979 DOI: 10.1016/j.talanta.2022.123464] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2022] [Revised: 04/02/2022] [Accepted: 04/05/2022] [Indexed: 12/17/2022]
Abstract
This work reports a chemiluminescence assay for the highly selective determination of cysteine in biological fluids without separation techniques. The method is based on the ability of cysteine to selectively enhance the metal-catalyzed chemiluminescence generated by the oxidation of luminol from gold tetrachloride anions under alkaline conditions. The selectivity of the method stems from the fact that, under strongly alkaline conditions, the formation of the four-membered ring transition state of cysteine is less favorable as compared to the formation of the respective 5- and 9- membered ring transition states of homocysteine and glutathione, respectively. These transition states exert stronger hindrance and hydrophobic interactions repelling the negatively charged luminol dianion and possibly exhibit lower reducing ability for dissolved oxygen, towards the formation of superoxide radicals, thus reducing the oxidation of luminol. Under the optimum experimental conditions, the linear range of the method extended from 0.5 to 20 μΜ while cysteine could be determined at concentrations as low as 0.5 μM, with good reproducibility (<3.5%) and recoveries between 80 and 93% in artificial and real biological fluids.
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Affiliation(s)
- E A Akrivi
- Department of Medical Physics, School of Health Sciences, University of Ioannina, 45110, Ioannina, Greece; Neurology Clinic, University Hospital of Ioannina, 45110, Ioannina, Greece
| | - A G Vlessidis
- Department of Chemistry, School of Natural Sciences, University of Ioannina, 45110, Ioannina, Greece
| | - N Kourkoumelis
- Department of Medical Physics, School of Health Sciences, University of Ioannina, 45110, Ioannina, Greece
| | - D L Giokas
- Department of Chemistry, School of Natural Sciences, University of Ioannina, 45110, Ioannina, Greece.
| | - G Z Tsogas
- Laboratory of Analytical Chemistry, School of Chemistry, Faculty of Sciences, Aristotle University of Thessaloniki, GR-54124, Thessaloniki, Greece.
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17
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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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18
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Cui X, Xu J, Liu M, Ren G, Cao Y. Establishment of reference intervals of homocysteine, cysteine, and methionine in apparently healthy Chinese adults. Scandinavian Journal of Clinical and Laboratory Investigation 2022; 82:232-237. [PMID: 35350940 DOI: 10.1080/00365513.2022.2056855] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- Xueting Cui
- Dalian Runsheng Kangtai Medical Lab Co. Ltd, Dalian, China
| | - Jieshi Xu
- Chaoyang Central Hospital, Chaoyang, China
| | - Mingli Liu
- Dalian Runsheng Kangtai Medical Lab Co. Ltd, Dalian, China
| | | | - Yunfeng Cao
- Shanghai Institute for Biomedical and Pharmaceutical Technologies, Shanghai, China
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, China
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19
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Tang Y, Chen X, Chen Q, Xiao J, Mi J, Liu Q, You Y, Chen Y, Ling W. Association of serum methionine metabolites with non-alcoholic fatty liver disease: a cross-sectional study. Nutr Metab (Lond) 2022; 19:21. [PMID: 35303918 PMCID: PMC8932073 DOI: 10.1186/s12986-022-00647-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2021] [Accepted: 02/13/2022] [Indexed: 12/13/2022] Open
Abstract
Background and project Non-alcoholic fatty liver disease (NAFLD) is viewed as the hepatic manifestation of metabolic syndrome. Methionine metabolites have been linked to metabolic syndrome and its related diseases. Whether serum methionine metabolites levels are associated with NAFLD remains unclear. The study aimed to assess the association between methionine metabolites and NAFLD. Methods This cross-sectional study included a total of 2814 individuals aged 40–75 years old. All participants underwent anthropometric measurements, laboratory tests, dietary assessment and abdominal ultrasonography. Multivariable logistic regression analysis was performed to estimate the association of methionine metabolites with NAFLD. Results Overall, 1446 with and 1368 without NAFLD were enrolled in this study. Participants with NAFLD had significantly higher serum S-adenosylmethionine (SAM), S-adenosylhomocysteine (SAH) and homocysteine (Hcy) levels, and a lower S-adenosylmethionine/S-adenosylhomocysteine (SAM/SAH) ratio than those without NAFLD (all P < 0.001). After adjusting multiple confounders, odds ratios (95% confidence interval) for quartile 4 versus quartile 1 of SAH, Hcy and SAM/SAH ratio were 1.65 (1.27–2.14), 1.63 (1.26–2.12) and 0.63 (0.49–0.83), respectively (all P for trend < 0.01). In addition, serum SAH, Hcy levels and SAM/SAH ratio were significantly correlated with the degree of hepatic steatosis (all P for trend < 0.001). Conclusion Elevated serum SAH, Hcy levels and lower SAM/SAH ratio may be independently associated with the presence of NAFLD in middle-aged and elder Chinese. Supplementary Information The online version contains supplementary material available at 10.1186/s12986-022-00647-7.
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Affiliation(s)
- Yi Tang
- Department of Nutrition, School of Public Health, Sun Yat-Sen University, 74 Zhongshan Rd. 2, Guangzhou, 510080, Guangdong Province, People's Republic of China.,Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Guangzhou, 510080, Guangdong Province, People's Republic of China
| | - Xu Chen
- Department of Nutrition, School of Public Health, Sun Yat-Sen University, 74 Zhongshan Rd. 2, Guangzhou, 510080, Guangdong Province, People's Republic of China.,Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Guangzhou, 510080, Guangdong Province, People's Republic of China
| | - Qian Chen
- Department of Cardiology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, 510120, Guangdong, People's Republic of China
| | - Jinghe Xiao
- Department of Nutrition, School of Public Health, Sun Yat-Sen University, 74 Zhongshan Rd. 2, Guangzhou, 510080, Guangdong Province, People's Republic of China.,Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Guangzhou, 510080, Guangdong Province, People's Republic of China
| | - Jiaxin Mi
- Department of Nutrition, School of Public Health, Sun Yat-Sen University, 74 Zhongshan Rd. 2, Guangzhou, 510080, Guangdong Province, People's Republic of China.,Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Guangzhou, 510080, Guangdong Province, People's Republic of China
| | - Qiannan Liu
- Department of Nutrition, School of Public Health, Sun Yat-Sen University, 74 Zhongshan Rd. 2, Guangzhou, 510080, Guangdong Province, People's Republic of China.,Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Guangzhou, 510080, Guangdong Province, People's Republic of China
| | - Yiran You
- Department of Nutrition, School of Public Health, Sun Yat-Sen University, 74 Zhongshan Rd. 2, Guangzhou, 510080, Guangdong Province, People's Republic of China.,Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Guangzhou, 510080, Guangdong Province, People's Republic of China
| | - Yuming Chen
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Guangzhou, 510080, Guangdong Province, People's Republic of China. .,Department of Epidemiology, School of Public Health, Sun Yat-Sen University, 74 Zhongshan Rd. 2, Guangzhou, 510080, Guangdong Province, People's Republic of China.
| | - Wenhua Ling
- Department of Nutrition, School of Public Health, Sun Yat-Sen University, 74 Zhongshan Rd. 2, Guangzhou, 510080, Guangdong Province, People's Republic of China. .,Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Guangzhou, 510080, Guangdong Province, People's Republic of China.
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20
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Koklesova L, Mazurakova A, Samec M, Biringer K, Samuel SM, Büsselberg D, Kubatka P, Golubnitschaja O. Homocysteine metabolism as the target for predictive medical approach, disease prevention, prognosis, and treatments tailored to the person. EPMA J 2021; 12:477-505. [PMID: 34786033 PMCID: PMC8581606 DOI: 10.1007/s13167-021-00263-0] [Citation(s) in RCA: 53] [Impact Index Per Article: 17.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2021] [Accepted: 10/29/2021] [Indexed: 02/07/2023]
Abstract
Homocysteine (Hcy) metabolism is crucial for regulating methionine availability, protein homeostasis, and DNA-methylation presenting, therefore, key pathways in post-genomic and epigenetic regulation mechanisms. Consequently, impaired Hcy metabolism leading to elevated concentrations of Hcy in the blood plasma (hyperhomocysteinemia) is linked to the overproduction of free radicals, induced oxidative stress, mitochondrial impairments, systemic inflammation and increased risks of eye disorders, coronary artery diseases, atherosclerosis, myocardial infarction, ischemic stroke, thrombotic events, cancer development and progression, osteoporosis, neurodegenerative disorders, pregnancy complications, delayed healing processes, and poor COVID-19 outcomes, among others. This review focuses on the homocysteine metabolism impairments relevant for various pathological conditions. Innovative strategies in the framework of 3P medicine consider Hcy metabolic pathways as the specific target for in vitro diagnostics, predictive medical approaches, cost-effective preventive measures, and optimized treatments tailored to the individualized patient profiles in primary, secondary, and tertiary care.
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Affiliation(s)
- Lenka Koklesova
- Clinic of Obstetrics and Gynecology, Jessenius Faculty of Medicine, Comenius University in Bratislava, 036 01 Martin, Slovakia
| | - Alena Mazurakova
- Clinic of Obstetrics and Gynecology, Jessenius Faculty of Medicine, Comenius University in Bratislava, 036 01 Martin, Slovakia
| | - Marek Samec
- Jessenius Faculty of Medicine in Martin, Biomedical Centre Martin, Comenius University in Bratislava, Mala Hora 4D, 036 01 Martin, Slovakia
| | - Kamil Biringer
- Clinic of Obstetrics and Gynecology, Jessenius Faculty of Medicine, Comenius University in Bratislava, 036 01 Martin, Slovakia
| | - Samson Mathews Samuel
- Department of Physiology and Biophysics, Weill Cornell Medicine in Qatar, Education City, Qatar Foundation, 24144 Doha, Qatar
| | - Dietrich Büsselberg
- Department of Physiology and Biophysics, Weill Cornell Medicine in Qatar, Education City, Qatar Foundation, 24144 Doha, Qatar
| | - Peter Kubatka
- Department of Medical Biology, Jessenius Faculty of Medicine, Comenius University in Bratislava, 036 01 Martin, Slovakia
| | - Olga Golubnitschaja
- Predictive, Preventive, Personalised (3P) Medicine, Department of Radiation Oncology, University Hospital Bonn, Rheinische Friedrich-Wilhelms-Universität Bonn, 53127 Bonn, Germany
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Chen J, Zhou Q, Zhang Y, Tan W, Gao H, Zhou L, Xiao S, Gao J, Li J, Zhu Z. Discovery of novel serum metabolic biomarkers in patients with polycystic ovarian syndrome and premature ovarian failure. Bioengineered 2021; 12:8778-8792. [PMID: 34696698 PMCID: PMC8806610 DOI: 10.1080/21655979.2021.1982312] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
Abstract
Several widely recognized metabolites play a role in regulating the pathophysiological processes of various disorders. Nonetheless, the lack of effective biomarkers for the early diagnosis of polycystic ovarian syndrome (PCOS) and premature ovarian failure (POF) has led to the discovery of serum-based metabolic biomarkers for these disorders. We aimed to identify various differentially expressed metabolites (DEMs) through serum-based metabolic profiling in patients with PCOS and POF and in healthy individuals by using liquid chromatography–mass spectrometry analysis. Furthermore, heatmap clustering, correlation, and Z-score analyses were performed to identify the top DEMs. Kyoto Encyclopedia of Genes and Genomes enriched pathways of DEMs were determined using metabolite-based databases. Moreover, the clinical significance of these DEMs was evaluated on the basis of area under the receiver operating characteristic curve. Significantly dysregulated expressions of several metabolites were observed in the intergroup comparisons of the PCOS, POF, and healthy control groups. Furthermore, 6 DEMs were most frequently observed among the three groups. The expressions of these DEMs were not only directly correlated but also exhibited potential significance in patients with PCOS and POF. Novel metabolites with up/downregulated expressions can be discovered in patients with PCOS and POF using serum-based metabolomics; these metabolites show good diagnostic performance and can act as effective biomarkers for the early detection of PCOS and POF. Furthermore, these metabolites might be involved in the pathophysiological mechanisms of PCOS and POF via interplay with corresponding genes.
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Affiliation(s)
- Jiying Chen
- Department of Obstetrics and Gynecology, Shenzhen Longhua District Central Hospital, Guangdong Medical University Affiliated Longhua District Central Hospital, Shenzhen, China
| | - Qinger Zhou
- Department of Obstetrics and Gynecology, Shenzhen Longhua District Central Hospital, Guangdong Medical University Affiliated Longhua District Central Hospital, Shenzhen, China
| | - Yonggang Zhang
- Department of Clinical Laboratory, Shenzhen Longhua District Central Hospital, Guangdong Medical University, Shenzhen, China
| | - Wenqing Tan
- Department of General Practice, Shenzhen Longhua District Central Hospital, Guangdong Medical University Affiliated Longhua District Central Hospital, Shenzhen, China
| | - Hanchao Gao
- Department of Medical Laboratory, Shenzhen Longhua District Central Hospital, Guangdong Medical University Affiliated Longhua District Central Hospital, Shenzhen, China
| | - Liying Zhou
- Department of Obstetrics and Gynecology, Shenzhen Longhua District Central Hospital, Guangdong Medical University Affiliated Longhua District Central Hospital, Shenzhen, China
| | - Shuixiu Xiao
- Department of Obstetrics and Gynecology, Shenzhen Longhua District Central Hospital, Guangdong Medical University Affiliated Longhua District Central Hospital, Shenzhen, China
| | - Jinhua Gao
- Department of Obstetrics and Gynecology, Shenzhen Longhua District Central Hospital, Guangdong Medical University Affiliated Longhua District Central Hospital, Shenzhen, China
| | - Jing Li
- Department of Obstetrics and Gynecology, Shenzhen Longhua District Central Hospital, Guangdong Medical University Affiliated Longhua District Central Hospital, Shenzhen, China
| | - Zhiying Zhu
- Department of Obstetrics and Gynecology, Shenzhen Longhua District Central Hospital, Guangdong Medical University Affiliated Longhua District Central Hospital, Shenzhen, China
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22
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Association of Low Molecular Weight Plasma Aminothiols with the Severity of Coronavirus Disease 2019. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2021; 2021:9221693. [PMID: 34557267 PMCID: PMC8455204 DOI: 10.1155/2021/9221693] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/02/2021] [Accepted: 09/01/2021] [Indexed: 01/16/2023]
Abstract
Objective Aminothiols (glutathione (GSH), cysteinylglycine (CG)) may play an important role in the pathogenesis of coronavirus disease 2019 (COVID-19), but the possible association of these indicators with the severity of COVID-19 has not yet been investigated. Methods The total content (t) and reduced forms (r) of aminothiols were determined in patients with COVID-19 (n = 59) on admission. Lung injury was characterized by computed tomography (CT) findings in accordance with the CT0-4 classification. Results Low tGSH level was associated with the risk of severe COVID-19 (tGSH ≤ 1.5 μM, mild vs. moderate/severe: risk ratio (RR) = 3.09, p = 0.007) and degree of lung damage (tGSH ≤ 1.8 μM, CT < 2 vs. CT ≥ 2: RR = 2.14, p = 0.0094). The rGSH level showed a negative association with D-dimer levels (ρ = -0.599, p = 0.014). Low rCG level was also associated with the risk of lung damage (rCG ≤ 1.3 μM, CT < 2 vs. CT ≥ 2: RR = 2.28, p = 0.001). Levels of rCG (ρ = -0.339, p = 0.012) and especially tCG (ρ = -0.551, p = 0.004) were negatively associated with platelet count. In addition, a significant relationship was found between the advanced oxidation protein product level and tGSH in patients with moderate or severe but not in patients with mild COVID-19. Conclusion Thus, tGSH and rCG can be seen as potential markers for the risk of severe COVID-19. GSH appears to be an important factor to oxidative damage prevention as infection progresses. This suggests the potential clinical efficacy of correcting glutathione metabolism as an adjunct therapy for COVID-19.
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23
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Exercise-Induced Hyperhomocysteinemia Is Not Related to Oxidative Damage or Impaired Vascular Function in Amateur Middle-Aged Runners under Controlled Nutritional Intake. Nutrients 2021; 13:nu13093033. [PMID: 34578910 PMCID: PMC8471188 DOI: 10.3390/nu13093033] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2021] [Revised: 08/25/2021] [Accepted: 08/26/2021] [Indexed: 11/17/2022] Open
Abstract
To determine the influence of different doses of maximal acute exercise on the kinetics of plasma homocysteine (tHcy) and its relationship with oxidative status and vascular function, nine recreational runners completed a 10 km race (10K) and a marathon (M). Blood samples were collected before (Basal), immediately post-exercise (Post0), and after 24 h (Post24). Nutritional intake was controlled at each sample point. A significant increase in tHcy was observed after both races, higher after M. Basal levels were recovered at Post24 after 10K, but remained elevated at Post 24 for M. A significant decrease in GSH/GSSG ratio was observed in Post0, especially marked after M. Furthermore, this increase in pro-oxidant status remained at Post24 only after M. Other oxidative status markers failed to confirm this exercise-induced pro-oxidant status except glutathione peroxidase activity that was lower in Post24 compared to Basal in 10K and in Post0 and Post24 in M. No statistical correlation was found between oxidative markers and tHcy. No significant changes were observed in the concentration of endothelial cell adhesion molecules (VCAM-1 and E-Selectin) and VEGF. In conclusion, tHcy increases in an exercise–dose–response fashion but is not related to endothelial dysfunction mediated by oxidative stress mechanisms.
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24
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Tseng FC, Huang TC. Using data mining technology to explore homocysteine at low levels. Medicine (Baltimore) 2021; 100:e26893. [PMID: 34414944 PMCID: PMC8376364 DOI: 10.1097/md.0000000000026893] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/09/2021] [Accepted: 07/19/2021] [Indexed: 01/04/2023] Open
Abstract
A high homocysteine level is known to be an independent risk factor for cardiovascular diseases; however, whether or not low homocysteine level contributes to any damage to the body has not been extensively studied. Furthermore, acquiring healthy subject databases from domestic studies on homocysteine is not trivial. Therefore, we aimed to investigate the causality between serum homocysteine levels and health status and lifestyle factors, particularly with a focus on low serum homocysteine levels. Additionally, we discussed a systematic methodical platform for data collection and statistical analysis, using the descriptive analysis of the chi-square test, t test, multivariate analysis of variance, and logistic regression.This study was a cross-sectional analysis of 5864 subjects (i.e., clients of a health examination clinic) in Taipei, Taiwan during a general health check-up in 2017. The patients' personal information and associated links were excluded. A sample group was selected as per the health criteria defined for this research whose data were processed using SPSS for descriptive statistical analysis using chi-square test, t test, multivariate analysis of variance, and logistic regression analysis.Those working for >12 hours/day had a higher homocysteine level than those working for <12 hours/day (P < .001). The average serum homocysteine level was 7.9 and 8.6 mol/L for people with poor sleep quality and good sleep quality, respectively (P = .003). The homocysteine value of people known to have cancer was analyzed using the logistic regression analysis, revealing a Δodds value of 0.898. The percentage of subjects with a homocysteine value of ≤6.3 μmol/L, who perceived their health status as "not very good" or "very bad," was higher than those with a higher homocysteine level. The number of subjects who perceived their health as poor was higher than expected.The results suggest that the homocysteine level could be an effective health management indicator. We conclude that normal homocysteine level should not be ≤6.3 μmol/L. Moreover, homocysteine should not be considered as harmful and its fluctuations from the normal range could be utilized to infer a person's physical status for health management.
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Affiliation(s)
- Fei-Ching Tseng
- The Lianan Wellness Center of the Lianan Preventative Medicine Institution, Songshan District, Taipei City
| | - Tin-Chung Huang
- Ching-Kuo Institute of Management and Health – Graduate School of Health Industry, Zhongshan District, Keelung City, Taiwan
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25
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Zhu S, Ni G, Sui L, Zhao Y, Zhang X, Dai Q, Chen A, Lin W, Li Y, Huang M, Zhou L. Genetic Polymorphisms in Enzymes Involved in One-Carbon Metabolism and Anti-epileptic Drug Monotherapy on Homocysteine Metabolism in Patients With Epilepsy. Front Neurol 2021; 12:683275. [PMID: 34177787 PMCID: PMC8220895 DOI: 10.3389/fneur.2021.683275] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2021] [Accepted: 05/10/2021] [Indexed: 11/14/2022] Open
Abstract
Aims: To investigate the effects of single nucleotide polymorphisms (SNPs) in genes of one-carbon metabolism (OCM) related enzymes and anti-epileptic drug (AED) monotherapy on homocysteine (Hcy) metabolism in patients with epilepsy, and to further explore specific SNPs that may increase patients' susceptibility to the effects of AEDs on the Hcy imbalance. Method: This case-control study analyzed 279 patients with epilepsy, including patients receiving monotherapy with valproate (VPA) (n = 53), oxcarbazepine (OXC) (n = 71), lamotrigine (LTG) (n = 55), or levetiracetam (LEV) (n = 35) and patients who had not taken any AEDs (controls, n = 65) for at least 6 months. Serum levels of vitamin B12 (vit B12), folate (FA) and Hcy were measured, and 23 SNPs in 13 genes of OCM-related enzymes were genotyped in all patients. Results: Methylenetetrahydrofolate reductase (MTHFR) rs1801133 was associated with elevated serum Hcy levels in patients with epilepsy (P < 0.001), and patients presenting the TT genotype exhibited higher serum Hcy levels than patients with the CC (P < 0.001) or CT (P < 0.001) genotype. A subsequent multiple linear regression analysis showed that AED monotherapy with VPA (vs. control: P = 0.023) or OXC (vs. control: P = 0.041), and genotypes of MTHFR rs1801133 TT (vs. CC: P < 0.001; vs. CT: P < 0.001), transcobalamin 2 (TCN2) rs1801198 CC (vs. GC: P = 0.039) and folate receptor 1 (FOLR1) rs2071010 AA (vs. GA: P = 0.031) were independent risk factors for higher Hcy levels. In the subgroup analysis of patients taking OXC, we found that patients with genotypes of MTHFR rs1801133 TT (vs. CC: P = 0.001; vs. CT: P < 0.001) and TCN2 rs1801198 CC (vs. GC: P = 0.021; vs. GG: P = 0.018) exhibited higher serum Hcy levels. Conclusions: VPA, OXC, and genotypes of MTHFR rs1801133 TT, TCN2 rs1801198 CC, and FOLR1 rs2071010 AA are all independent risk factors for elevated Hcy levels in patients with epilepsy. Moreover, genotypes of MTHFR rs1801133 TT and TCN2 rs1801198 CC may increase patients' susceptibility to the effect of OXC on disrupting Hcy homeostasis.
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Affiliation(s)
- Shaofang Zhu
- Department of Neurology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Guanzhong Ni
- Department of Neurology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Lisen Sui
- Department of Epilepsy Center, The Second Affiliated Hospital, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Yiran Zhao
- Department of Neurology, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen, China
| | - Xiaoxu Zhang
- Laboratory of Drug Metabolism and Pharmacokinetics, School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou, China
| | - Qilin Dai
- Department of Neurology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Aohan Chen
- Department of Neurology, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen, China
| | - Wanrong Lin
- Department of Neurology, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen, China
| | - Yinchao Li
- Department of Neurology, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen, China
| | - Min Huang
- Laboratory of Drug Metabolism and Pharmacokinetics, School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou, China
| | - Liemin Zhou
- Department of Neurology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China.,Department of Neurology, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen, China
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26
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Bries AE, Webb JL, Vogel B, Carrillo C, Keating AF, Pritchard SK, Roslan G, Miller JW, Schalinske KL. Letrozole-Induced Polycystic Ovary Syndrome Attenuates Cystathionine-β Synthase mRNA and Protein Abundance in the Ovaries of Female Sprague Dawley Rats. J Nutr 2021; 151:1407-1415. [PMID: 33758914 PMCID: PMC8169814 DOI: 10.1093/jn/nxab038] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2020] [Revised: 01/20/2021] [Accepted: 02/02/2021] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND Polycystic ovary syndrome (PCOS) is an endocrine disorder that affects 10% of reproductive-aged women and leads to hyperandrogenism, anovulation, and infertility. PCOS has been associated with elevated serum homocysteine as well as altered methylation status; however, characterization of one-carbon metabolism (OCM) in PCOS remains incomplete. OBJECTIVES The aim of our research was to assess OCM in a letrozole-induced Sprague Dawley rat model of PCOS. METHODS Five-week-old female rats (n = 36) were randomly assigned to letrozole [0.9 mg/kg body weight (BW)] treatment or vehicle (carboxymethylcellulose) control that was administered via subcutaneously implanted slow-release pellets every 30 d. For both treatment groups, 12 rats were randomly assigned to be euthanized during proestrus at one of the following time points: 8, 16, or 24 wk of age. Daily BW was measured and estrous cyclicity was monitored during the last 30 d of the experimental period. Ovaries were collected to assess mRNA and protein abundance of OCM enzymes. RESULTS Letrozole-induced rats exhibited 1.9-fold higher cumulative BW gain compared with control rats across all age groups (P < 0.0001). Letrozole reduced the time spent at proestrus (P = 0.0001) and increased time in metestrus (P < 0.0001) of the estrous cycle. Cystathionine β-synthase (Cbs) mRNA abundance was reduced in the letrozole-induced rats at 16 (59%; P < 0.05) and 24 (77%; P < 0.01) wk of age. In addition, CBS protein abundance was 32% lower in 8-wk-old letrozole-induced rats (P = 0.02). Interestingly, betaine-homocysteine S-methyltransferase mRNA abundance increased as a function of age in letrozole-induced rats (P = 0.03). CONCLUSION These data demonstrate that letrozole-induced PCOS Sprague Dawley rats temporally decrease the ovarian abundance of Cbs mRNA and protein in the early stages of PCOS.
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Affiliation(s)
- Amanda E Bries
- Department of Food Science and Human Nutrition, Iowa State University, Ames, IA, USA
- Interdepartmental Graduate Program in Nutritional Sciences, Iowa State University, Ames, IA, USA
| | - Joseph L Webb
- Department of Food Science and Human Nutrition, Iowa State University, Ames, IA, USA
- Interdepartmental Graduate Program in Nutritional Sciences, Iowa State University, Ames, IA, USA
| | - Brooke Vogel
- Department of Food Science and Human Nutrition, Iowa State University, Ames, IA, USA
| | - Claudia Carrillo
- Department of Food Science and Human Nutrition, Iowa State University, Ames, IA, USA
| | - Aileen F Keating
- Department of Animal Science, Iowa State University, Ames, IA, USA
| | | | - Gina Roslan
- Department of Nutritional Sciences, Rutgers University, New Brunswick, NJ, USA
| | - Joshua W Miller
- Department of Nutritional Sciences, Rutgers University, New Brunswick, NJ, USA
| | - Kevin L Schalinske
- Department of Food Science and Human Nutrition, Iowa State University, Ames, IA, USA
- Interdepartmental Graduate Program in Nutritional Sciences, Iowa State University, Ames, IA, USA
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27
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Balmik AA, Chinnathambi S. Methylation as a key regulator of Tau aggregation and neuronal health in Alzheimer's disease. Cell Commun Signal 2021; 19:51. [PMID: 33962636 PMCID: PMC8103764 DOI: 10.1186/s12964-021-00732-z] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Accepted: 03/10/2021] [Indexed: 12/26/2022] Open
Abstract
Neurodegenerative diseases like Alzheimer's, Parkinson's and Huntington's disease involves abnormal aggregation and accumulation of toxic proteins aggregates. Post-translational modifications (PTMs) of the causative proteins play an important role in the etiology of disease as they could either slow down or accelerate the disease progression. Alzheimer disease is associated with the aggregation and accumulation of two major protein aggregates-intracellular neurofibrillary tangles made up of microtubule-associated protein Tau and extracellular Amyloid-β plaques. Post-translational modifications are important for the regulation of Tau`s function but an imbalance in PTMs may lead to abnormal Tau function and aggregation. Tau methylation is one of the important PTM of Tau in its physiological state. However, the methylation signature on Tau lysine changes once it acquires pathological aggregated form. Tau methylation can compete with other PTMs such as acetylation and ubiquitination. The state of PTM at these sites determines the fate of Tau protein in terms of its function and stability. The global methylation in neurons, microglia and astrocytes are involved in multiple cellular functions involving their role in epigenetic regulation of gene expression via DNA methylation. Here, we have discussed the effect of methylation on Tau function in a site-specific manner and their cross-talk with other lysine modifications. We have also elaborated the role of methylation in epigenetic aspects and neurodegenerative conditions associated with the imbalance in methylation metabolism affecting global methylation state of cells. Video abstract.
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Affiliation(s)
- Abhishek Ankur Balmik
- Neurobiology Group, Division of Biochemical Sciences, CSIR-National Chemical Laboratory (CSIR-NCL), Dr. Homi Bhabha Road, 411008,, Pune, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002,, India
| | - Subashchandrabose Chinnathambi
- Neurobiology Group, Division of Biochemical Sciences, CSIR-National Chemical Laboratory (CSIR-NCL), Dr. Homi Bhabha Road, 411008,, Pune, India.
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002,, India.
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28
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Ota K, Takahashi T, Han A, Damvaeba S, Mizunuma H, Kwak-Kim J. Effects of MTHFR C677T polymorphism on vitamin D, homocysteine and natural killer cell cytotoxicity in women with recurrent pregnancy losses. Hum Reprod 2021; 35:1276-1287. [PMID: 32478379 DOI: 10.1093/humrep/deaa095] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2019] [Revised: 03/17/2020] [Indexed: 12/26/2022] Open
Abstract
STUDY QUESTION Is there any relationship between vitamin D [25 (OH) vitamin D], total plasma homocysteine and methylenetetrahydrofolate reductase (MTHFR) C677T polymorphism in women with recurrent pregnancy losses (RPL)? SUMMARY ANSWER Women with MTHFR 677TT (homozygous mutation, TT) genotype have significantly lower vitamin D levels, higher homocysteine and natural killer (NK) cell cytotoxicities than those of women with MTHFR 677CC (wild type, CC) and 677CT (heterozygous mutation, CT) genotypes. WHAT IS KNOWN ALREADY Vitamin D insufficiency, MTHFR C677T polymorphism and hyperhomocysteinemia have been reported as risk factors for RPL. However, the relationship between these risk factors is not known in this population. STUDY DESIGN, SIZE, DURATION This is a retrospective cross-sectional study, including 837 women with RPL, who were enrolled in Reproductive Medicine and Immunology, Chicago Medical School, between 2012 and 2017. PARTICIPANTS/MATERIALS, SETTING, METHODS Women with two or more RPL prior to 20 weeks of gestation were included. To investigate whether the MTHFR C677T polymorphism affects the levels of homocysteine and vitamin D as well as immune parameters in women with RPL, biochemical data, such as plasma total homocysteine and serum vitamin D levels, and immune parameters, including NK cell cytotoxicity, were analyzed by MTHFR C677T genotype (CC, CT and TT). MAIN RESULTS AND THE ROLE OF CHANCE The serum level of vitamin D in TT was significantly lower when compared with those of CT (P = 0.001) and CC (P = 0.003), while the level of homocysteine in TT was significantly higher than those in CT (P = 0.01) and CC (P = 0.01). NK cytotoxicity in TT was significantly higher than that of CC (P = 0.04) but not CT (P = 0.09). There was a significant negative correlation between the levels of vitamin D and homocysteine in TT (r = -0.357, P < 0.01). In multivariate analysis, vitamin D insufficiency (<30 ng/ml) was an independent risk factor for hyperhomocysteinemia (adjusted odds ratio 1.89, 95% CI 1.41-2.52). LIMITATIONS, REASONS FOR CAUTION The study was retrospective and included only women with RPL but not healthy fertile controls. In addition, folic acid, vitamin B6 and B12 intake, which could modify the level of homocysteine and vitamin D, were not investigated. Thus, a considerable part of women might have folic acid and vitamin D supplementation and prenatal vitamin pills, and there are probable confounders in this study associated with unrestricted vitamin supplementation. Therefore, the findings should be carefully interpreted and applied to RPL women with MTHFR gene polymorphism. WIDER IMPLICATIONS OF THE FINDINGS The findings attained in this analysis regarding the MTHFR polymorphism and its relationship with vitamin D, homocysteine and NK cytotoxicity may aid in uncovering the underlying etiology and mechanism for RPL. The study highlights an interplay between nutrition and immune responses in RPL. STUDY FUNDING/COMPETING INTEREST(S) No external funding was received for this study. None of the authors have any conflict of interest to declare. TRIAL REGISTRATION NUMBER N/A.
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Affiliation(s)
- Kuniaki Ota
- Reproductive Medicine and Immunology, Obstetrics and Gynecology, Clinical Sciences Department, Chicago Medical School, Rosalind Franklin University of Medicine and Science, Vernon Hills, IL, USA.,Department of Obstetrics and Gynecology, Fukushima Medical Center for Children and Women, School of Medicine, Fukushima Medical University, Fukushima, Japan
| | - Toshifumi Takahashi
- Department of Obstetrics and Gynecology, Fukushima Medical Center for Children and Women, School of Medicine, Fukushima Medical University, Fukushima, Japan
| | - Aera Han
- Reproductive Medicine and Immunology, Obstetrics and Gynecology, Clinical Sciences Department, Chicago Medical School, Rosalind Franklin University of Medicine and Science, Vernon Hills, IL, USA.,Department of Obstetrics and Gynecology, Kangseo Mizmedi Hospital, Seoul, South Korea
| | - Svetlana Damvaeba
- Center for Cancer Cell Biology, Immunology and Infection, Chicago Medical School, Rosalind Franklin University of Medicine and Science, North Chicago, IL, USA
| | - Hideki Mizunuma
- Department of Obstetrics and Gynecology, Fukushima Medical Center for Children and Women, School of Medicine, Fukushima Medical University, Fukushima, Japan
| | - Joanne Kwak-Kim
- Reproductive Medicine and Immunology, Obstetrics and Gynecology, Clinical Sciences Department, Chicago Medical School, Rosalind Franklin University of Medicine and Science, Vernon Hills, IL, USA.,Center for Cancer Cell Biology, Immunology and Infection, Chicago Medical School, Rosalind Franklin University of Medicine and Science, North Chicago, IL, USA
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29
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Gupta M, Meehan-Atrash J, Strongin RM. Identifying a role for the interaction of homocysteine and copper in promoting cardiovascular-related damage. Amino Acids 2021; 53:739-744. [PMID: 33886000 DOI: 10.1007/s00726-021-02979-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2021] [Accepted: 04/03/2021] [Indexed: 12/15/2022]
Abstract
Observations that copper and homocysteine levels are simultaneously elevated in patients with cardiovascular disease has generated interest in investigating the interactions between copper and homocysteine. Several prior studies have shown that complexes of copper and homocysteine are toxic, leading to cardiovascular damage in vitro. It is not clear, however, why related effects do not occur with other structurally similar, more abundant cellular thiols such as glutathione and cysteine. Herein, a mechanism for a selective redox interaction between copper and homocysteine is demonstrated. It involves a kinetically favored intramolecular hydrogen atom transfer that results in an alpha-amino carbon-centered radical known to promote biomolecular damage.
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Affiliation(s)
- Megha Gupta
- Department of Chemistry, Portland State University, Portland, OR, 97207, USA
| | | | - Robert M Strongin
- Department of Chemistry, Portland State University, Portland, OR, 97207, USA.
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30
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Paganelli F, Mottola G, Fromonot J, Marlinge M, Deharo P, Guieu R, Ruf J. Hyperhomocysteinemia and Cardiovascular Disease: Is the Adenosinergic System the Missing Link? Int J Mol Sci 2021; 22:1690. [PMID: 33567540 PMCID: PMC7914561 DOI: 10.3390/ijms22041690] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2021] [Revised: 01/30/2021] [Accepted: 02/04/2021] [Indexed: 12/17/2022] Open
Abstract
The influence of hyperhomocysteinemia (HHCy) on cardiovascular disease (CVD) remains unclear. HHCy is associated with inflammation and atherosclerosis, and it is an independent risk factor for CVD, stroke and myocardial infarction. However, homocysteine (HCy)-lowering therapy does not affect the inflammatory state of CVD patients, and it has little influence on cardiovascular risk. The HCy degradation product hydrogen sulfide (H2S) is a cardioprotector. Previous research proposed a positive role of H2S in the cardiovascular system, and we discuss some recent data suggesting that HHCy worsens CVD by increasing the production of H2S, which decreases the expression of adenosine A2A receptors on the surface of immune and cardiovascular cells to cause inflammation and ischemia, respectively.
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Affiliation(s)
- Franck Paganelli
- C2VN, INSERM, INRAE, Aix-Marseille University, F-13005 Marseille, France; (F.P.); (G.M.); (J.F.); (M.M.); (P.D.); (R.G.)
- Department of Cardiology, North Hospital, F-13015 Marseille, France
| | - Giovanna Mottola
- C2VN, INSERM, INRAE, Aix-Marseille University, F-13005 Marseille, France; (F.P.); (G.M.); (J.F.); (M.M.); (P.D.); (R.G.)
- Laboratory of Biochemistry, Timone Hospital, F-13005 Marseille, France
| | - Julien Fromonot
- C2VN, INSERM, INRAE, Aix-Marseille University, F-13005 Marseille, France; (F.P.); (G.M.); (J.F.); (M.M.); (P.D.); (R.G.)
- Laboratory of Biochemistry, Timone Hospital, F-13005 Marseille, France
| | - Marion Marlinge
- C2VN, INSERM, INRAE, Aix-Marseille University, F-13005 Marseille, France; (F.P.); (G.M.); (J.F.); (M.M.); (P.D.); (R.G.)
- Laboratory of Biochemistry, Timone Hospital, F-13005 Marseille, France
| | - Pierre Deharo
- C2VN, INSERM, INRAE, Aix-Marseille University, F-13005 Marseille, France; (F.P.); (G.M.); (J.F.); (M.M.); (P.D.); (R.G.)
- Department of Cardiology, Timone Hospital, F-13005 Marseille, France
| | - Régis Guieu
- C2VN, INSERM, INRAE, Aix-Marseille University, F-13005 Marseille, France; (F.P.); (G.M.); (J.F.); (M.M.); (P.D.); (R.G.)
- Laboratory of Biochemistry, Timone Hospital, F-13005 Marseille, France
| | - Jean Ruf
- C2VN, INSERM, INRAE, Aix-Marseille University, F-13005 Marseille, France; (F.P.); (G.M.); (J.F.); (M.M.); (P.D.); (R.G.)
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Stanisic D, Jovanovic M, George AK, Homme RP, Tyagi N, Singh M, Tyagi SC. Gut microbiota and the periodontal disease: role of hyperhomocysteinemia. Can J Physiol Pharmacol 2021; 99:9-17. [PMID: 32706987 DOI: 10.1139/cjpp-2020-0215] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
Periodontal disease is one of the most common conditions resulting from poor oral hygiene and is characterized by a destructive process in the periodontium that essentially includes gingiva, alveolar mucosa, cementum, periodontal ligament, and alveolar bone. Notably, the destructive event in the alveolar bone has been linked to homocysteine (Hcy) metabolism; however, it has not been fully investigated. Therefore; the implication of Hcy towards initiation, progression, and maintenance of the periodontal disease remains incompletely understood. Higher levels of Hcy (also known as hyperhomocysteinemia (HHcy)) exerts deleterious effects on gum health and teeth in distinct ways. Firstly, increased production of proinflammatory cytokines such as TNF-α, IL-1β, IL-6, and IL-8 leads to an inflammatory cascade of events that affect methionine (Met) and Hcy metabolism (i.e., 1-carbon metabolism) leading to HHcy. Secondly, metabolic dysregulation during chronic medical conditions increases systemic inflammation leading to a decrease in vitamins, more specifically B6, B12, and folic acid, that play important roles as cofactors in Hcy metabolism. Also, given the folate level in the HHcy state that is important during dysbiosis, these two conditions appear to be intimately related, and in this context, HHcy-induced dysbiosis may be one of the potential causes of periodontal disease. This paper sums up the link between periodontitis and HHcy, with a special emphasis on the "oral-gut microbiome axis" and the potential probiotic intervention towards warding off some of the serious periodontal disease conditions.
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Affiliation(s)
- Dragana Stanisic
- Department of Dentistry, Faculty of Medical Sciences, University of Kragujevac, Kragujevac, Serbia
| | - Milica Jovanovic
- Department of Dentistry, Faculty of Medical Sciences, University of Kragujevac, Kragujevac, Serbia
| | - Akash K George
- Department of Physiology, University of Louisville School of Medicine, Louisville, KY 40202, USA
| | - Rubens P Homme
- Department of Physiology, University of Louisville School of Medicine, Louisville, KY 40202, USA
| | - Neetu Tyagi
- Department of Physiology, University of Louisville School of Medicine, Louisville, KY 40202, USA
| | - Mahavir Singh
- Department of Physiology, University of Louisville School of Medicine, Louisville, KY 40202, USA
| | - Suresh C Tyagi
- Department of Physiology, University of Louisville School of Medicine, Louisville, KY 40202, USA
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Batai K, Trejo MJ, Chen Y, Kohler LN, Lance P, Ellis NA, Cornelis MC, Chow HHS, Hsu CH, Jacobs ET. Genome-Wide Association Study of Response to Selenium Supplementation and Circulating Selenium Concentrations in Adults of European Descent. J Nutr 2020; 151:293-302. [PMID: 33382417 PMCID: PMC7849979 DOI: 10.1093/jn/nxaa355] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2020] [Revised: 07/31/2020] [Accepted: 10/14/2020] [Indexed: 12/19/2022] Open
Abstract
BACKGROUND Selenium (Se) is a trace element that has been linked to many health conditions. Genome-wide association studies (GWAS) have identified variants for blood and toenail Se levels, but no GWAS has been conducted to date on responses to Se supplementation. OBJECTIVES A GWAS was performed to identify the single nucleotide polymorphisms (SNPs) associated with changes in Se concentrations after 1 year of supplementation. A GWAS of basal plasma Se concentrations at study entry was conducted to evaluate whether SNPs for Se responses overlap with SNPs for basal Se levels. METHODS A total of 428 participants aged 40-80 years of European descent from the Selenium and Celecoxib Trial (Sel/Cel Trial) who received daily supplementation with 200 µg of selenized yeast were included for the GWAS of responses to supplementation. Plasma Se concentrations were measured from blood samples collected at the time of recruitment and after 1 year of supplementation. Linear regression analyses were performed to assess the relationship between each SNP and changes in Se concentrations. We further examined whether the identified SNPs overlapped with those related to basal Se concentrations. RESULTS No SNP was significantly associated with changes in Se concentration at a genome-wide significance level. However, rs56856693, located upstream of the NEK6, was nominally associated with changes in Se concentrations after supplementation (P = 4.41 × 10-7), as were 2 additional SNPs, rs11960388 and rs6887869, located in the dimethylglycine dehydrogenase (DMGDH)/betaine-homocysteine S-methyltransferase (BHMT) region (P = 0.01). Alleles of 2 SNPs in the DMGDH/BHMT region associated with greater increases in Se concentrations after supplementation were also strongly associated with higher basal Se concentrations (P = 8.67 × 10-8). CONCLUSIONS This first GWAS of responses to Se supplementation in participants of European descent from the Sel/Cel Trial suggests that SNPs in the NEK6 and DMGDH/BHMT regions influence responses to supplementation.
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Affiliation(s)
- Ken Batai
- Address correspondence to KB (E-mail: )
| | - Mario J Trejo
- Department of Epidemiology and Biostatistics, University of Arizona, Tucson, AZ, USA
| | - Yuliang Chen
- Department of Epidemiology and Biostatistics, University of Arizona, Tucson, AZ, USA
| | - Lindsay N Kohler
- Department of Health Promotion Science, University of Arizona, Tucson, AZ, USA
| | - Peter Lance
- University of Arizona Cancer Center, Tucson, AZ, USA,Department of Cellular and Molecular Medicine, University of Arizona, Tucson, AZ, USA
| | - Nathan A Ellis
- Department of Cellular and Molecular Medicine, University of Arizona, Tucson, AZ, USA
| | - Marilyn C Cornelis
- Department of Preventive Medicine, Northwestern University, Chicago, IL, USA
| | - H-H Sherry Chow
- University of Arizona Cancer Center, Tucson, AZ, USA,Department of Medicine, College of Medicine, University of Arizona, Tucson, AZ, USA
| | - Chiu-Hsieh Hsu
- Department of Epidemiology and Biostatistics, University of Arizona, Tucson, AZ, USA
| | - Elizabeth T Jacobs
- Department of Epidemiology and Biostatistics, University of Arizona, Tucson, AZ, USA,University of Arizona Cancer Center, Tucson, AZ, USA
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Ikee R, Sasaki N, Yasuda T, Fukazawa S. Chronic Kidney Disease, Gut Dysbiosis, and Constipation: A Burdensome Triplet. Microorganisms 2020; 8:microorganisms8121862. [PMID: 33255763 PMCID: PMC7760012 DOI: 10.3390/microorganisms8121862] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2020] [Revised: 11/23/2020] [Accepted: 11/24/2020] [Indexed: 12/12/2022] Open
Abstract
Gut dysbiosis has been implicated in the progression of chronic kidney disease (CKD). Alterations in the gut environment induced by uremic toxins, the dietary restriction of fiber-rich foods, and multiple drugs may be involved in CKD-related gut dysbiosis. CKD-related gut dysbiosis is considered to be characterized by the expansion of bacterial species producing precursors of harmful uremic toxins, such as indoxyl sulfate and p-cresyl sulfate, and the contraction of species generating beneficial short-chain fatty acids, such as butyrate. Gut-derived uremic toxins cause oxidative stress and pro-inflammatory responses, whereas butyrate exerts anti-inflammatory effects and contributes to gut epithelial integrity. Gut dysbiosis is associated with the disruption of the gut epithelial barrier, which leads to the translocation of endotoxins. Research on CKD-related gut dysbiosis has mainly focused on chronic inflammation and consequent cardiovascular and renal damage. The pathogenic relationship between CKD-related gut dysbiosis and constipation has not yet been investigated in detail. Constipation is highly prevalent in CKD and affects the quality of life of these patients. Under the pathophysiological state of gut dysbiosis, altered bacterial fermentation products may play a prominent role in intestinal dysmotility. In this review, we outline the factors contributing to constipation, such as the gut microbiota and bacterial fermentation; introduce recent findings on the pathogenic link between CKD-related gut dysbiosis and constipation; and discuss potential interventions. This pathogenic link needs to be elucidated in more detail and may contribute to the development of novel treatment options not only for constipation, but also cardiovascular disease in CKD.
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Affiliation(s)
- Ryota Ikee
- Sapporo Nephrology Satellite Clinic, 9-2-15, Hassamu 6-jo, Nishi-ku, Sapporo 063-0826, Japan;
- Correspondence:
| | - Naomi Sasaki
- Sapporo Nephrology Clinic, 20-2-12, Nishimachikita, Nishi-ku, Sapporo 063-0061, Japan; (N.S.); (S.F.)
| | - Takuji Yasuda
- Sapporo Nephrology Satellite Clinic, 9-2-15, Hassamu 6-jo, Nishi-ku, Sapporo 063-0826, Japan;
| | - Sawako Fukazawa
- Sapporo Nephrology Clinic, 20-2-12, Nishimachikita, Nishi-ku, Sapporo 063-0061, Japan; (N.S.); (S.F.)
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Homocysteine level is positively and independently associated with serum creatinine and urea nitrogen levels in old male patients with hypertension. Sci Rep 2020; 10:18050. [PMID: 33093546 PMCID: PMC7581807 DOI: 10.1038/s41598-020-75073-x] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2020] [Accepted: 10/09/2020] [Indexed: 12/23/2022] Open
Abstract
A cross-sectional study to show whether and how serum fasting homocysteine levels are associated with renal function changes in patients with hypertension. Homocysteine levels were associated with serum creatinine and blood urea nitrogen (BUN) levels with coefficients of 2.04 and 0.07, respectively, only in males and independent of confounders. In addition, low density lipoprotein cholesterol (LDL-C) levels were positively and left ventricular ejection fraction (LVEF) was negatively associated with serum creatinine level in males; age was positively associated with serum creatinine levels in females. Age was a common risk factor positively associated with BUN levels in both sexes, while total cholesterol (TC) levels and glycemic control were independent risk factors that were positively associated with BUN levels only in males. LDL-C levels and LVEF were negatively associated with BUN levels in females. Body mass index (BMI) was positively associated and hemoglobin A1c (HbA1c) levels, high density lipoprotein cholesterol (HDL-C) levels and the presence of stroke were negatively associated with serum uric acid levels in male patients. In contrast, only LVEF was positively associated with uric acid levels in females. In conclusion, homocysteine level is an independent risk factor associated with serum creatinine and BUN levels in male patients with hypertension.
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Baroni L, Bonetto C, Rizzo G, Bertola C, Caberlotto L, Bazzerla G. Association Between Cognitive Impairment and Vitamin B12, Folate, and Homocysteine Status in Elderly Adults: A Retrospective Study. J Alzheimers Dis 2020; 70:443-453. [PMID: 31177227 DOI: 10.3233/jad-190249] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
BACKGROUND Cognitive disorders in old age have a serious impact on the health and social aspects of patients and their families. OBJECTIVE The scope of this paper is to explore the role of cobalamin and folate that has been linked to cognitive decline, not only as a deficiency state depending on malnutrition, but also a determinant in cognitive impairment. METHODS A 6-year observational, retrospective study was conducted by collecting the routine blood analyses and cognitive screening scores of patients aged 60 years or older, followed at our Centre for the Diagnosis and Treatment of Cognitive Disorders. RESULTS In a linear regression with a multi-vitamin model, higher folate concentrations were correlated with better cognitive performances through MMSE score, even after correction for sex, age, and years of education (beta = 0.144, p = 0.001). Estimated MMSE marginal means for folate versus homocysteine showed that folate deficiency was associated with worse cognitive performances, with a more severe cognitive impairment when hyperhomocysteinemia was present. CONCLUSION The assessment of B-vitamin status among elderly adults can contribute to an economic and practical approach to the prevention and management of cognitive decline. Future studies focused to define optimal vitamin status are warranted.
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Affiliation(s)
- Luciana Baroni
- Primary Care Unit, Local Health Unit 2 - Marca Trevigiana, Treviso, Italy
| | - Chiara Bonetto
- Department of Neurosciences, Biomedicine and Movement Sciences, Section of Psychiatry, University of Verona, Verona, Italy
| | - Gianluca Rizzo
- Scientific Society for Vegetarian Nutrition (SSVN), Mestre (VE), Italy
| | - Caterina Bertola
- Primary Care Unit, Local Health Unit 2 - Marca Trevigiana, Treviso, Italy
| | - Livio Caberlotto
- Central Laboratory Ca' Foncello Hospital, Local Health Unity 2 - Marca Trevigiana, Treviso, Italy
| | - Giorgio Bazzerla
- Primary Care Unit, Local Health Unit 2 - Marca Trevigiana, Treviso, Italy
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Concepción Alvarez A, Camayd Viera I, Vento Buigues L, Fernández Martínez Y, Hernández E, Marín Padrón LC, Pérez Rodríguez J, Gámez Torres G. Reference values of plasma homocysteine in Cuban children and adults. J LAB MED 2020. [DOI: 10.1515/labmed-2019-0195] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Abstract
Objectives
Homocysteine (Hcy) is a nonessential amino acid, produced by the demethylation of methionine. High Hcy levels, or hyperhomocysteinemia, have been associated with genetic and multifactorial diseases. Hcy reference values may vary between different populations, as Hcy levels are affected by factors such as sex, age, diet, smoking, and coffee consumption. The estimation reference interval (RI) allows to establish the normal values of this marker in population. At present, these levels are unknown in Cuba. The aim of this work is to estimate the Hcy reference intervals in Cuban children and adults.
Methods
Total Hcy concentration was quantified by high performance liquid chromatography (HPLC) in plasma. Hcy levels were evaluated in samples from 507 healthy individuals (260 children, 247 adults).
Results
RIs were estimated by nonparametric methods. We found significant differences between both age groups, but we did not find significant differences between sexes, within these groups. The established ranges were 2.56–14.55 µM and 3.63–17.19 µM for children and adults, respectively. Also, we observed a weak association between Hcy levels and age in both sex groups.
Conclusions
This is the first study that assesses Hcy reference values in Cuban population. Our results will allow the introduction of Hcy as a biochemical marker in laboratory testing.
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Effects of Sulfur Amino Acids on Cardiodynamic Parameters of Isolated Rat Heart. SERBIAN JOURNAL OF EXPERIMENTAL AND CLINICAL RESEARCH 2020. [DOI: 10.2478/sjecr-2020-0025] [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] Open
Abstract
Abstract
Sulfur-containing amino acids are integral part of molecular mechanisms which underlie many aspects of cellular function and homeostasis, facilitated by reversible changes in oxidation states of sulfur atoms. Dysregulation of these pathways is associated with diverse pathologies, notably of the cardiovascular system, which are typically characterized by inappropriate plasma levels of sulfur-containing amino acids. The aim of this study was to assess the acute, direct effects of sulfur-containing amino acids and inorganic NaHS, as H2S donor, on cardiodynamic parameters in homocysteine treated rats. Moderate hyperhomocysteinemia did not cause significant decrease in myocardial contractility, but our findings suggest that NaHS and L-methionine cause negative effects on cardiac function in hearts of the rats treated with homo-cysteine, even in a single administration. Further investigations need to be carried out with purpose of better understanding and highlightening the impact of Hcy and sulphur amino acids on cardiac function.
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Pi T, Liu B, Shi J. Abnormal Homocysteine Metabolism: An Insight of Alzheimer's Disease from DNA Methylation. Behav Neurol 2020; 2020:8438602. [PMID: 32963633 PMCID: PMC7495165 DOI: 10.1155/2020/8438602] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2020] [Accepted: 07/30/2020] [Indexed: 11/18/2022] Open
Abstract
Alzheimer's disease (AD) is a chronic neurodegenerative disease in the central nervous system that has complex pathogenesis in the elderly. The current review focuses on the epigenetic mechanisms of AD, according to the latest findings. One of the best-characterized chromatin modifications in epigenetic mechanisms is DNA methylation. Highly replicable data shows that AD occurrence is often accompanied by methylation level changes of the AD-related gene. Homocysteine (Hcy) is not only an intermediate product of one-carbon metabolism but also an important independent risk factor of AD; it can affect the cognitive function of the brain by changing the one-carbon metabolism and interfering with the DNA methylation process, resulting in cerebrovascular disease. In general, Hcy may be an environmental factor that affects AD via the DNA methylation pathway with a series of changes in AD-related substance. This review will concentrate on the relation between DNA methylation and Hcy and try to figure out their rule in the pathophysiology of AD.
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Affiliation(s)
- Tingting Pi
- Department of Pharmacology and the Key Laboratory of Basic Pharmacology of Ministry of Education, Zunyi Medical University, Zunyi 563000, China
| | - Bo Liu
- Department of Pharmacology and the Key Laboratory of Basic Pharmacology of Ministry of Education, Zunyi Medical University, Zunyi 563000, China
| | - Jingshan Shi
- Department of Pharmacology and the Key Laboratory of Basic Pharmacology of Ministry of Education, Zunyi Medical University, Zunyi 563000, China
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Prevalence of Hyperhomocysteinaemia and Associated Factors among Ethiopian Adult Population in a 2015 National Survey. BIOMED RESEARCH INTERNATIONAL 2020; 2020:9210261. [PMID: 32420383 PMCID: PMC7201487 DOI: 10.1155/2020/9210261] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/22/2019] [Accepted: 12/16/2019] [Indexed: 12/18/2022]
Abstract
Hyperhomocysteinaemia (HHcy) is an independent risk factor for major cardiovascular diseases, but data on the prevalence and predictors of HHcy in low- and middle-income countries like Ethiopia are scant. The aim of this study was to estimate the prevalence of HHcy and associated risk factors in the Ethiopian adult population. A cross-sectional survey on risks of noncommunicable diseases (NCDs) using the STEPwise approach to surveillance (STEPS) survey was conducted between April and June 2015. A total of 4,175 study participants were surveyed. Serum homocysteine (Hcy) and metabolic profile were determined using Cobas Integra 400 Plus and CardioChek PA analyzer, respectively. Factors associated with HHcy were determined using logistic regression. The mean serum tHcy concentration was 14.6 μmol/L, with 16.4 μmol/L in males and 13.4 μmol/L in females. Overall, 38% had HHcy, with figures in males (49%) higher than females (30%). Increased age, being male, and high blood pressure and/or taking blood pressure medication, as well as low consumption of fruit and/or vegetables, were independent risk factors for HHcy. In conclusion, the prevalence of HHcy among the adult Ethiopian population is alarmingly high. Improving diets through the promotion of fruit and vegetable consumption is needed to reduce the risk of NCDs.
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Rengarajan A, Mauro AK, Boeldt DS. Maternal disease and gasotransmitters. Nitric Oxide 2020; 96:1-12. [PMID: 31911124 DOI: 10.1016/j.niox.2020.01.001] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2019] [Revised: 12/20/2019] [Accepted: 01/02/2020] [Indexed: 02/06/2023]
Abstract
The three known gasotransmitters, nitric oxide, carbon monoxide, and hydrogen sulfide are involved in key processes throughout pregnancy. Gasotransmitters are known to impact on smooth muscle tone, regulation of immune responses, and oxidative state of cells and their component molecules. Failure of the systems that tightly regulate gasotransmitter production and downstream effects are thought to contribute to common maternal diseases such as preeclampsia and preterm birth. Normal pregnancy-related changes in uterine blood flow depend heavily on gasotransmitter signaling. In preeclampsia, endothelial dysfunction is a major contributor to aberrant gasotransmitter signaling, resulting in hypertension after 20 weeks gestation. Maintenance of pregnancy to term also requires gasotransmitter-mediated uterine quiescence. As the appropriate signals for parturition occur, regulation of gasotransmitter signaling must work in concert with those endocrine signals in order for appropriate labor and delivery timing. Like preeclampsia, preterm birth may have origins in abnormal gasotransmitter signaling. We review the evidence for the involvement of gasotransmitters in preeclampsia and preterm birth, as well as mechanistic and molecular signaling targets.
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Affiliation(s)
- Aishwarya Rengarajan
- Perinatal Research Laboratories, Dept Ob/ Gyn, UW - Madison, Madison, WI, 53715, USA
| | - Amanda K Mauro
- Perinatal Research Laboratories, Dept Ob/ Gyn, UW - Madison, Madison, WI, 53715, USA
| | - Derek S Boeldt
- Perinatal Research Laboratories, Dept Ob/ Gyn, UW - Madison, Madison, WI, 53715, USA.
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Samborska I, Kovalchuk O, Fagoonee S, Falalyeyeva T, Maievskyi O. The Role of Hyperhomocysteinemia in the Development of Changes in the Lungs. Rev Recent Clin Trials 2020; 15:48-59. [PMID: 31729946 DOI: 10.2174/1574887114666191114152235] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2019] [Revised: 10/23/2019] [Accepted: 11/05/2019] [Indexed: 06/10/2023]
Abstract
BACKGROUND In recent years, attention of the scientific community has been drawn to the study of the role of homocysteine in the pathology of diseases in general and the respiratory system in particular. Violations of the synthesis and disposal of homocysteine are the cause of its excessive accumulation in the body, which subsequently leads to damage to all organs and systems. METHODS We conducted this study on 64 white non-linear rats of 6-8 and 24-26 months old rats, which were divided into two control and experimental groups during the experiment. The study of ultrastructural changes in the lungs of rats was performed using an electron microscope. RESULTS The results of the conducted study show that all the animals of the experimental group, corresponding to 32 (50%) cases, possess conspicuous morphological changes in the structure of the lungs. The specific features of mature animals were the narrowing of the alveolar space of the part of the alveoli and the increase in the number of macrophages in them. Partial desquamation of capillary endothelial lining and a slight increase of collagen fibers in interalveolar membranes were observed compared to control animals. A characteristic feature for older animals was the growth of connective tissue, predominantly collagen fibers, which led to pneumosclerosis. The thickening of the aerogemic barrier was also detected, and the endothelial lining was intermittent or desquamated. CONCLUSION Mature animals of the experimental group were characterized by activation of inflammatory processes, oxidative stress, due to increased production of macrophages and, as a consequence, the launch of the humorous link of immunity, while in old rats were determined by fibrosis, disorders of the trophic and gas metabolism, as well as damage to the endothelium part of lungs.
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Affiliation(s)
- Inga Samborska
- National Pirogov Memorial Medical University, Vinnytsia, Ukraine
| | - Oleksandr Kovalchuk
- Institute Biology and Medicine, Taras Shevchenko National University of Kyiv, Kyiv, Ukraine
| | - Sharmila Fagoonee
- Institute for Biostructure and Bioimaging (CNR) c/o Molecular Biotechnology Center, Turin, Italy
| | - Tetyana Falalyeyeva
- Institute Biology and Medicine, Taras Shevchenko National University of Kyiv, Kyiv, Ukraine
| | - Oleksandr Maievskyi
- Institute Biology and Medicine, Taras Shevchenko National University of Kyiv, Kyiv, Ukraine
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Wang T, Ren C, Ni J, Ding H, Qi Q, Yan C, Deng B, Dai J, Li G, Ding Y, Jin G. Genetic Association of Plasma Homocysteine Levels with Gastric Cancer Risk: A Two-Sample Mendelian Randomization Study. Cancer Epidemiol Biomarkers Prev 2019; 29:487-492. [PMID: 31748259 DOI: 10.1158/1055-9965.epi-19-0724] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2019] [Revised: 09/19/2019] [Accepted: 11/15/2019] [Indexed: 02/05/2023] Open
Abstract
BACKGROUND The association of plasma homocysteine level (PHL) with gastric cancer risk was reported in observational studies. However, the causality is challenging due to confounding factors and the lack of evidence from well-designed cohort studies. Herein, we performed a two-sample Mendelian randomization (MR) analysis to investigate whether PHL is causally related to gastric cancer risk. METHODS We performed the MR analysis based on the results from genome-wide association studies consisting of 2,631 patients with gastric cancer and 4,373 controls. An externally weighted genetic risk score (wGRS) was constructed with 15 SNPs with well-established associations with PHL. We utilized logistic regression model to estimate associations of PHL-related SNPs and wGRS with gastric cancer risk in total population and in strata by sex, age, and study site, in addition to a series of sensitivity analyses. RESULTS High genetically predicted PHL was associated with an increased gastric cancer risk (per SD increase in the wGRS: OR = 1.07; 95% confidence interval, 1.01-1.12; P = 0.011), which was consistent in sensitivity analyses. Subgroup analyses provided evidence of a stronger association with gastric cancer risk in women than in men. MR-Egger and weighted median regression suggested that potentially unknown pleiotropic effects were not biasing the association between PHL and gastric cancer risk. CONCLUSIONS These results revealed that genetically predicted high PHL was associated with an increased gastric cancer risk, suggesting that high PHL may have a causal role in the etiology of gastric cancer. IMPACT These findings provide causal inference for PHL on gastric cancer risk, suggesting a causal role of high PHL in the etiology of gastric cancer.
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Affiliation(s)
- Tianpei Wang
- Department of Epidemiology, Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing, China.,Jiangsu Key Lab of Cancer Biomarkers, Prevention and Treatment, Collaborative Innovation Center for Cancer Medicine, Nanjing Medical University, Nanjing, China
| | - Chuanli Ren
- Clinical Medical Testing Laboratory, Northern Jiangsu People's Hospital and Clinical Medical College of Yangzhou University, Yangzhou, China
| | - Jing Ni
- Department of Epidemiology, Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing, China.,Jiangsu Key Lab of Cancer Biomarkers, Prevention and Treatment, Collaborative Innovation Center for Cancer Medicine, Nanjing Medical University, Nanjing, China
| | - Hui Ding
- Department of Epidemiology, Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing, China
| | - Qi Qi
- Department of Epidemiology, Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing, China
| | - Caiwang Yan
- Department of Epidemiology, Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing, China.,Jiangsu Key Lab of Cancer Biomarkers, Prevention and Treatment, Collaborative Innovation Center for Cancer Medicine, Nanjing Medical University, Nanjing, China
| | - Bin Deng
- Department of Gastroenterology, The Affiliated Hospital of Yangzhou University, Yangzhou, China
| | - Juncheng Dai
- Department of Epidemiology, Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing, China.,Jiangsu Key Lab of Cancer Biomarkers, Prevention and Treatment, Collaborative Innovation Center for Cancer Medicine, Nanjing Medical University, Nanjing, China
| | - Gang Li
- Department of General Surgery, Jiangsu Cancer Hospital, Jiangsu Institute of Cancer Research, The Affiliated Cancer Hospital of Nanjing Medical University, Nanjing, China
| | - Yanbing Ding
- Department of Gastroenterology, The Affiliated Hospital of Yangzhou University, Yangzhou, China
| | - Guangfu Jin
- Department of Epidemiology, Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing, China. .,Jiangsu Key Lab of Cancer Biomarkers, Prevention and Treatment, Collaborative Innovation Center for Cancer Medicine, Nanjing Medical University, Nanjing, China
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Imbalance of Homocysteine and H 2S: Significance, Mechanisms, and Therapeutic Promise in Vascular Injury. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2019; 2019:7629673. [PMID: 31885816 PMCID: PMC6893243 DOI: 10.1155/2019/7629673] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/29/2019] [Accepted: 10/16/2019] [Indexed: 12/28/2022]
Abstract
While the role of hyperhomocysteinemia in cardiovascular pathogenesis continuously draws attention, deficiency of hydrogen sulfide (H2S) has been growingly implicated in cardiovascular diseases. Generation of H2S is closely associated with the metabolism of homocysteine via key enzymes such as cystathionine β-synthase (CBS) and cystathionine γ-lyase (CSE). The level of homocysteine and H2S is regulated by each other. Metabolic switch in the activity of CBS and CSE may occur with a resultant operating preference change of these enzymes in homocysteine and H2S metabolism. This paper presented an overview regarding (1) linkage between the metabolism of homocysteine and H2S, (2) mutual regulation of homocysteine and H2S, (3) imbalance of homocysteine and H2S in cardiovascular disorders, (4) mechanisms underlying the protective effect of H2S against homocysteine-induced vascular injury, and (5) the current status of homocysteine-lowering and H2S-based therapies for cardiovascular disease. The metabolic imbalance of homocysteine and H2S renders H2S/homocysteine ratio a potentially reliable biomarker for cardiovascular disease and development of drugs or interventions targeting the interplay between homocysteine and H2S to maintain the endogenous balance of these two molecules may hold an even bigger promise for management of vascular disorders than targeting homocysteine or H2S alone.
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Wang T, Xu G, Cai X, Gong J, Xie Q, Xie L. Association of homocysteine with carotid-femoral pulse wave velocity in a southern Chinese population. Aging (Albany NY) 2019; 11:9709-9718. [PMID: 31711045 PMCID: PMC6874429 DOI: 10.18632/aging.102416] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2019] [Accepted: 10/28/2019] [Indexed: 02/06/2023]
Abstract
This study aimed to investigate whether plasma homocysteine levels were associated with carotid-femoral pulse wave velocity (cfPWV), a golden standard of arterial stiffness, in a population from southern China. A cross-sectional study was conducted on 713 patients admitted to the First Affiliated Hospital of Fujian Medical University from February 2016 to August 2017. They were divided into four groups based on gender-specific quartile of homocysteine levels. Age, cfPWV, uric acid levels, and percentage of hypertension increased with ascending quartiles. The duration of hypertension and systolic blood pressure were higher in the highest quartile than in the lowest quartile. Pearson's correlation analysis and multivariate regression showed a correlation of homocysteine levels with cfPWV. A nearly twofold increased risk of cfPWV ≥10 m/s was observed in the highest quartile compared with the lowest quartile (in the highest quartile: odds ratio = 2.917, 95% confidence interval: 1.635-5.202, P < 0.001). After stratification, this correlation was present in both sexes, in patients aged over 65 years, and those with hypertension. The plasma homocysteine levels were independently associated with cfPWV in the population from southern China, especially in the elderly and those with hypertension.
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Affiliation(s)
- Tingjun Wang
- Department of General Medicine, The First Affiliated Hospital of Fujian Medical University, Fuzhou, Fujian 350005, People's Republic of China
| | - Guoyan Xu
- Department of General Medicine, The First Affiliated Hospital of Fujian Medical University, Fuzhou, Fujian 350005, People's Republic of China
| | - Xiaoqi Cai
- Department of General Medicine, The First Affiliated Hospital of Fujian Medical University, Fuzhou, Fujian 350005, People's Republic of China
| | - Jin Gong
- Fujian Hypertension Research Institute, Fuzhou, Fujian 350005, People's Republic of China
| | - Qunfang Xie
- Department of Geriatric Medicine, The First Affiliated Hospital of Fujian Medical University, Fuzhou, Fujian 350005, People's Republic of China
| | - Liangdi Xie
- Department of Geriatric Medicine, The First Affiliated Hospital of Fujian Medical University, Fuzhou, Fujian 350005, People's Republic of China
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Damanik J, Mayza A, Rachman A, Sauriasari R, Kristanti M, Agustina PS, Angianto AR, Prawiroharjo P, Yunir E. Association between serum homocysteine level and cognitive function in middle-aged type 2 diabetes mellitus patients. PLoS One 2019; 14:e0224611. [PMID: 31693691 PMCID: PMC6834332 DOI: 10.1371/journal.pone.0224611] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2019] [Accepted: 10/17/2019] [Indexed: 01/16/2023] Open
Abstract
Type-2 diabetes mellitus (T2DM) is strongly associated with various complications, including cognitive impairment. Diabetic complication is related with structural and functional changes of brain. Studies investigated that homocysteine as an independent risk factor of several organ complications. This marker might have a role in pathogenesis of cognitive impairment in T2DM patients. We aimed to know the association between serum homocysteine level and cognitive impairment in middle-aged T2DM populations. The study was a cross-sectional study involving 97 T2DM patients aged <60 years old. Cognitive assessment was based on validated Indonesian version of Montreal Cognitive Assessment (MoCA-INA) test. Besides, serum homocysteine level (Hcy) was measured based on standard laboratory assay. Filling out the questionnaire of MoCA-INA was conducted when patients came to take the blood sample. This study used independent t-test, chi-square and multivariate logistic regression model to analyze the data. There were 47 subjects (48.5%) with mild cognitive impairment (MCI). Delayed recall was the most impaired domain (94.8%). There was no significant mean difference of serum Hcy level in MCI and non-MCI group (11.99±3.27 μmol/L vs 12.36±4.07 μmol/L respectively, p = 0.62). Final model of logistic regression showed no association between serum Hcy and cognitive function after adjusting confounding variables (OR: 1.778; 95%CI: 0.69-4.54). Further investigation involving slight elderly T2DM patients with larger sample size should be conducted to confirm this finding.
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Affiliation(s)
- Johanda Damanik
- Department of Internal Medicine, Faculty of Medicine Universitas Indonesia – Cipto Mangunkusumo National General Hospital, Jakarta, Indonesia
| | - Andre Mayza
- Department of Neurology, Faculty of Medicine Universitas Indonesia – Cipto Mangunkusumo National General Hospital, Jakarta, Indonesia
| | - Andhika Rachman
- Department of Internal Medicine, Division of Haematology and Medical Oncology, Faculty of Medicine Universitas Indonesia – Cipto Mangunkusumo National General Hospital, Jakarta, Indonesia
| | - Rani Sauriasari
- Faculty of Pharmacy, Universitas Indonesia, Jakarta, Indonesia
| | - Melly Kristanti
- Department of Internal Medicine, Division of Endocrinology and Metabolism, Faculty of Medicine Universitas Indonesia – Cipto Mangunkusumo National General Hospital, Jakarta, Indonesia
| | | | - Alexander Randy Angianto
- Department of Internal Medicine, Faculty of Medicine Universitas Indonesia – Cipto Mangunkusumo National General Hospital, Jakarta, Indonesia
| | - Pukovisa Prawiroharjo
- Department of Neurology, Faculty of Medicine Universitas Indonesia – Cipto Mangunkusumo National General Hospital, Jakarta, Indonesia
| | - Em Yunir
- Department of Internal Medicine, Division of Endocrinology and Metabolism, Faculty of Medicine Universitas Indonesia – Cipto Mangunkusumo National General Hospital, Jakarta, Indonesia
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46
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Hao ML, Wang GY, Zuo XQ, Qu CJ, Yao BC, Wang DL. Gut microbiota: an overlooked factor that plays a significant role in osteoporosis. J Int Med Res 2019; 47:4095-4103. [PMID: 31436117 PMCID: PMC6753565 DOI: 10.1177/0300060519860027] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
Gut microbes are known as the body’s second gene pool. Symbiotic intestinal
bacteria play a major role in maintaining balance in humans. Bad eating habits,
antibiotic abuse, diseases, and a poor living environment have a negative effect
on intestinal flora. Abnormal intestinal microbes are prone to cause a variety
of diseases, affecting life expectancy and long-term quality of life, especially
in older people. Several recent studies have found a close association between
intestinal microorganisms and osteoporosis. The potential mechanism of
intestinal flora affecting bone formation or destruction by mediating nitric
oxide, the immune and endocrine systems, and other factors is briefly described
in this review. All of these factors may be responsible for the intestinal flora
that causes osteoporosis. Studying the relationship between intestinal flora and
bone health not only provides new ideas for studying the role of intestinal
microorganism in osteoporosis, but also provides a new therapeutic direction for
clinically refractory osteoporosis. Study of the relationship between intestinal
microbiota and osteoporosis is important for maintaining bone health and
minimizing osteoporosis.
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Affiliation(s)
- Meng-Lei Hao
- Department of Geriatric Medicine, Affiliated Hospital of Qinghai University, Xining, Qinghai Province, P.R. China
| | - Guang-Yao Wang
- Juxian Hospital of Traditional Chinese Medicine, Juxian, Shandong Provence, P.R. China
| | - Xiao-Qin Zuo
- Department of Geriatric Medicine, Affiliated Hospital of Qinghai University, Xining, Qinghai Province, P.R. China
| | - Chan-Juan Qu
- Department of Radiology, Peking Union Medical Hospital, Beijing, P.R. China
| | - Bo-Chen Yao
- Department of Cardiac Surgery, Tianjin Chest Hospital, Tianjin, P. R. China
| | - Dong-Lai Wang
- Department of Orthopedics, The Fourth Hospital of Hebei Medical University, Shijiazhuang, Hebei Provence, P.R. China
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47
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Dietary Vitamin B 6 Intake Associated with a Decreased Risk of Cardiovascular Disease: A Prospective Cohort Study. Nutrients 2019; 11:nu11071484. [PMID: 31261898 PMCID: PMC6682858 DOI: 10.3390/nu11071484] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2019] [Revised: 06/26/2019] [Accepted: 06/27/2019] [Indexed: 12/16/2022] Open
Abstract
Although the biological mechanisms underlying the beneficial effects of vitamin B6 on cardiovascular disease (CVD) have been reported on, epidemiological studies have yielded controversial results, and data on the Korean population are limited. This study examined the association between dietary vitamin B6 intake and CVD incidence in Koreans. A total of 9142 participants of the Korean Genome and Epidemiology Study, aged 40–69 years, who did not have CVD or cancer at the baseline were included in the analysis. Dietary data were assessed using a validated semi-quantitative food frequency questionnaire. CVD incidence was assessed using biennial questionnaires and confirmed through repeated personal interviews. Multivariable-adjusted hazard ratios (HRs) and 95% confidence intervals (CIs) were estimated using Cox proportional hazard regression models. After multivariate adjustment, a higher vitamin B6 intake was significantly associated with a decreased CVD risk in men (HR: 0.44; 95% CI: 0.25–0.78); no such association was observed in women. Dose-response analysis confirmed the presence of inverse linearity between vitamin B6 intake and CVD incidence in men (p for nonlinearity = 0.3). A higher dietary intake level of vitamin B6 was associated with a reduced CVD risk in Korean men. These observations require further verification in other populations.
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Partearroyo T, Murillo-Cuesta S, Vallecillo N, Bermúdez-Muñoz JM, Rodríguez-de la Rosa L, Mandruzzato G, Celaya AM, Zeisel SH, Pajares MA, Varela-Moreiras G, Varela-Nieto I. Betaine-homocysteine S-methyltransferase deficiency causes increased susceptibility to noise-induced hearing loss associated with plasma hyperhomocysteinemia. FASEB J 2019; 33:5942-5956. [PMID: 30753104 PMCID: PMC6463923 DOI: 10.1096/fj.201801533r] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Betaine-homocysteine S-methyltransferases (BHMTs) are methionine cycle enzymes that remethylate homocysteine; hence, their malfunction leads to hyperhomocysteinemia. Epidemiologic and experimental studies have revealed a correlation between hyperhomocysteinemia and hearing loss. Here, we have studied the expression of methionine cycle genes in the mouse cochlea and the impact of knocking out the Bhmt gene in the auditory receptor. We evaluated age-related changes in mouse hearing by recording auditory brainstem responses before and following exposure to noise. Also, we measured cochlear cytoarchitecture, gene expression by RNA-arrays and quantitative RT-PCR, and metabolite levels in liver and plasma by HPLC. Our results indicate that there is an age-dependent strain-specific expression of methionine cycle genes in the mouse cochlea and a further regulation during the response to noise damage. Loss of Bhmt did not cause an evident impact in the hearing acuity of young mice, but it produced higher threshold shifts and poorer recovery following noise challenge. Hearing loss was associated with increased cochlear injury, outer hair cell loss, altered expression of cochlear methionine cycle genes, and hyperhomocysteinemia. Our results suggest that BHMT plays a central role in the homeostasis of cochlear methionine metabolism and that Bhmt2 up-regulation could carry out a compensatory role in cochlear protection against noise injury in the absence of BHMT.-Partearroyo, T., Murillo-Cuesta, S., Vallecillo, N., Bermúdez-Muñoz, J. M., Rodríguez-de la Rosa, L., Mandruzzato, G., Celaya, A. M., Zeisel, S. H., Pajares, M. A., Varela-Moreiras, G., Varela-Nieto, I. Betaine-homocysteine S-methyltransferase deficiency causes increased susceptibility to noise-induced hearing loss associated with plasma hyperhomocysteinemia.
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Affiliation(s)
- Teresa Partearroyo
- Departamento de Ciencias Farmacéuticas y de la Salud, Facultad de Farmacia, Universidad Centro de Estudios Universitarios CEU San Pablo, Madrid, Spain;,Instituto de Investigaciones Biomédicas Alberto Sols, Consejo Superior de Investigaciones Científicas–Universidad Autónoma de Madrid (CSIC-UAM), Madrid, Spain
| | - Silvia Murillo-Cuesta
- Instituto de Investigaciones Biomédicas Alberto Sols, Consejo Superior de Investigaciones Científicas–Universidad Autónoma de Madrid (CSIC-UAM), Madrid, Spain;,Centro de Investigación Biomédica en Red de Enfermedades Raras, (CIBERER), Instituto de Salud Carlos III, Madrid, Spain;,Instituto de Investigación Sanitaria La Paz (IdiPAZ), Madrid, Spain;,Correspondence: Instituto de Investigaciones Biomédicas Alberto Sols (CSIC-UAM), Arturo Duperier 4, 28029 Madrid, Spain. E-mail:
| | - Néstor Vallecillo
- Instituto de Investigaciones Biomédicas Alberto Sols, Consejo Superior de Investigaciones Científicas–Universidad Autónoma de Madrid (CSIC-UAM), Madrid, Spain
| | - Jose M. Bermúdez-Muñoz
- Instituto de Investigaciones Biomédicas Alberto Sols, Consejo Superior de Investigaciones Científicas–Universidad Autónoma de Madrid (CSIC-UAM), Madrid, Spain;,Centro de Investigación Biomédica en Red de Enfermedades Raras, (CIBERER), Instituto de Salud Carlos III, Madrid, Spain
| | - Lourdes Rodríguez-de la Rosa
- Instituto de Investigaciones Biomédicas Alberto Sols, Consejo Superior de Investigaciones Científicas–Universidad Autónoma de Madrid (CSIC-UAM), Madrid, Spain;,Centro de Investigación Biomédica en Red de Enfermedades Raras, (CIBERER), Instituto de Salud Carlos III, Madrid, Spain;,Instituto de Investigación Sanitaria La Paz (IdiPAZ), Madrid, Spain
| | | | - Adelaida M. Celaya
- Instituto de Investigaciones Biomédicas Alberto Sols, Consejo Superior de Investigaciones Científicas–Universidad Autónoma de Madrid (CSIC-UAM), Madrid, Spain;,Centro de Investigación Biomédica en Red de Enfermedades Raras, (CIBERER), Instituto de Salud Carlos III, Madrid, Spain
| | - Steven H. Zeisel
- Nutrition Research Institute, University of North Carolina at Chapel Hill, Kannapolis, North Carolina, USA; and
| | - María A. Pajares
- Instituto de Investigaciones Biomédicas Alberto Sols, Consejo Superior de Investigaciones Científicas–Universidad Autónoma de Madrid (CSIC-UAM), Madrid, Spain;,Instituto de Investigación Sanitaria La Paz (IdiPAZ), Madrid, Spain;,Centro de Investigaciones Biológicas, (CSIC) Madrid, Spain
| | - Gregorio Varela-Moreiras
- Departamento de Ciencias Farmacéuticas y de la Salud, Facultad de Farmacia, Universidad Centro de Estudios Universitarios CEU San Pablo, Madrid, Spain;,Instituto de Investigaciones Biomédicas Alberto Sols, Consejo Superior de Investigaciones Científicas–Universidad Autónoma de Madrid (CSIC-UAM), Madrid, Spain
| | - Isabel Varela-Nieto
- Instituto de Investigaciones Biomédicas Alberto Sols, Consejo Superior de Investigaciones Científicas–Universidad Autónoma de Madrid (CSIC-UAM), Madrid, Spain;,Centro de Investigación Biomédica en Red de Enfermedades Raras, (CIBERER), Instituto de Salud Carlos III, Madrid, Spain;,Instituto de Investigación Sanitaria La Paz (IdiPAZ), Madrid, Spain
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49
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Down syndrome: Neurobiological alterations and therapeutic targets. Neurosci Biobehav Rev 2019; 98:234-255. [DOI: 10.1016/j.neubiorev.2019.01.001] [Citation(s) in RCA: 46] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2018] [Revised: 01/02/2019] [Accepted: 01/02/2019] [Indexed: 12/12/2022]
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50
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Esse R, Barroso M, Tavares de Almeida I, Castro R. The Contribution of Homocysteine Metabolism Disruption to Endothelial Dysfunction: State-of-the-Art. Int J Mol Sci 2019; 20:E867. [PMID: 30781581 PMCID: PMC6412520 DOI: 10.3390/ijms20040867] [Citation(s) in RCA: 157] [Impact Index Per Article: 31.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2019] [Revised: 02/05/2019] [Accepted: 02/12/2019] [Indexed: 02/07/2023] Open
Abstract
Homocysteine (Hcy) is a sulfur-containing non-proteinogenic amino acid formed during the metabolism of the essential amino acid methionine. Hcy is considered a risk factor for atherosclerosis and cardiovascular disease (CVD), but the molecular basis of these associations remains elusive. The impairment of endothelial function, a key initial event in the setting of atherosclerosis and CVD, is recurrently observed in hyperhomocysteinemia (HHcy). Various observations may explain the vascular toxicity associated with HHcy. For instance, Hcy interferes with the production of nitric oxide (NO), a gaseous master regulator of endothelial homeostasis. Moreover, Hcy deregulates the signaling pathways associated with another essential endothelial gasotransmitter: hydrogen sulfide. Hcy also mediates the loss of critical endothelial antioxidant systems and increases the intracellular concentration of reactive oxygen species (ROS) yielding oxidative stress. ROS disturb lipoprotein metabolism, contributing to the growth of atherosclerotic vascular lesions. Moreover, excess Hcy maybe be indirectly incorporated into proteins, a process referred to as protein N-homocysteinylation, inducing vascular damage. Lastly, cellular hypomethylation caused by build-up of S-adenosylhomocysteine (AdoHcy) also contributes to the molecular basis of Hcy-induced vascular toxicity, a mechanism that has merited our attention in particular. AdoHcy is the metabolic precursor of Hcy, which accumulates in the setting of HHcy and is a negative regulator of most cell methyltransferases. In this review, we examine the biosynthesis and catabolism of Hcy and critically revise recent findings linking disruption of this metabolism and endothelial dysfunction, emphasizing the impact of HHcy on endothelial cell methylation status.
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Affiliation(s)
- Ruben Esse
- Department of Biochemistry, Boston University School of Medicine, Boston, MA 02118, USA.
| | - Madalena Barroso
- University Children's Research@Kinder-UKE, University Medical Center Hamburg-Eppendorf, 20246 Hamburg, Germany.
| | - Isabel Tavares de Almeida
- Laboratory of Metabolism and Genetics, Faculty of Pharmacy, University of Lisbon, 1649-003 Lisbon, Portugal.
| | - Rita Castro
- Institute for Medicines and Pharmaceutical Sciences (iMed.UL), Faculty of Pharmacy, University of Lisbon, 1649-003 Lisbon, Portugal.
- Department of Biochemistry and Human Biology, Faculty of Pharmacy, University of Lisbon, 1649-003 Lisbon, Portugal.
- Department of Nutritional Sciences, The Pennsylvania State University, University Park, PA 16802, USA.
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