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Das S, Roy A, Behera SK, Selvarajan S, Kamalanathan S, Sahoo JP, Nair NS. Effects of Vitamin D on Migraine: A Meta-Analysis. Neurol India 2023; 71:655-661. [PMID: 37635492 DOI: 10.4103/0028-3886.383862] [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: 08/29/2023]
Abstract
Objective The aim of this study was to evaluate the difference in mean serum 25-hydroxy vitamin D level between migraineurs and nonmigraineurs, the association between hypovitaminosis D and migraine, and the effects of oral vitamin D supplementation on migraine-related symptoms as compared to placebo. Methods Relevant databases were searched for observational studies and randomized-controlled trials (RCTs) which evaluated the difference in mean serum 25-hydroxy vitamin D level between migraineurs and nonmigraineurs; the association between hypovitaminosis D and migraine; and the effects of vitamin D supplementation on migraine-frequency, duration, and severity. Pooled mean difference and odds ratio were calculated (random-effects model, RevMan version 5.3). Results Ten observational studies and two RCTs were included. The serum 25-hydroxy vitamin D level in the migraineurs was significantly lower than that in the nonmigraineurs [mean difference - 4.44 ng/mL (95% CI: -6.11, -2.77)] (low-GRADE evidence). Hypovitaminosis D was found to be significantly associated with migraine [OR: 1.95 (95% CI: 1.07, 3.58)] (low-GRADE evidence). As compared to placebo, oral vitamin D supplementation significantly reduced the monthly migraine-frequency [mean difference: -2.20 (95% CI: -3.04, -1.36)]. , although it did not reduce the migraine-duration [mean difference: -16.00 hours per month (95% CI: -42.77, 10.76)] and migraine-severity score [standardized mean difference: -0.23 (95% CI: -0.79, 0.32)] (moderate-GRADE evidence). Conclusion Serum 25-hydroxy vitamin D level was significantly lower in the migraineurs than that in the nonmigraineurs, and hypovitaminosis D was significantly associated with migraine. Oral vitamin D supplementation significantly reduced migraine-frequency, but not its duration and severity.
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Affiliation(s)
- Saibal Das
- Department of Clinical Pharmacology, Jawaharlal Institute of Postgraduate Medical Education and Research (JIPMER), Puducherry, India
| | - Ayan Roy
- Department of Endocrinology, Jawaharlal Institute of Postgraduate Medical Education and Research (JIPMER), Puducherry, India
| | - Sapan Kumar Behera
- Department of Clinical Pharmacology, Jawaharlal Institute of Postgraduate Medical Education and Research (JIPMER), Puducherry, India
| | - Sandhiya Selvarajan
- Department of Endocrinology, Jawaharlal Institute of Postgraduate Medical Education and Research (JIPMER), Puducherry, India
| | - Sadishkumar Kamalanathan
- Department of Clinical Pharmacology, Jawaharlal Institute of Postgraduate Medical Education and Research (JIPMER), Puducherry, India
| | - Jaya Prakash Sahoo
- Department of Endocrinology, Jawaharlal Institute of Postgraduate Medical Education and Research (JIPMER), Puducherry, India
| | - N Sreekumaran Nair
- Department of Biostatistics, Jawaharlal Institute of Postgraduate Medical Education and Research (JIPMER), Puducherry, India
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The Impact of Nutrient Intake and Metabolic Wastes during Pregnancy on Offspring Hypertension: Challenges and Future Opportunities. Metabolites 2023; 13:metabo13030418. [PMID: 36984857 PMCID: PMC10052993 DOI: 10.3390/metabo13030418] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2023] [Revised: 03/09/2023] [Accepted: 03/10/2023] [Indexed: 03/14/2023] Open
Abstract
Hypertension can have its origin in early life. During pregnancy, many metabolic alterations occur in the mother that have a crucial role in fetal development. In response to maternal insults, fetal programming may occur after metabolic disturbance, resulting in programmed hypertension later in life. Maternal dietary nutrients act as metabolic substrates for various metabolic processes via nutrient-sensing signals. Different nutrient-sensing pathways that detect levels of sugars, amino acids, lipids and energy are integrated during pregnancy, while disturbed nutrient-sensing signals have a role in the developmental programming of hypertension. Metabolism-modulated metabolites and nutrient-sensing signals are promising targets for new drug discovery due to their pathogenic link to hypertension programming. Hence, in this review, we pay particular attention to the maternal nutritional insults and metabolic wastes affecting fetal programming. We then discuss the role of nutrient-sensing signals linking the disturbed metabolism to hypertension programming. This review also summarizes current evidence to give directions for future studies regarding how to prevent hypertension via reprogramming strategies, such as nutritional intervention, targeting nutrient-sensing signals, and reduction of metabolic wastes. Better prevention for hypertension may be possible with the help of novel early-life interventions that target altered metabolism.
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Role of Vitamin D Deficiency in the Pathogenesis of Cardiovascular and Cerebrovascular Diseases. Nutrients 2023; 15:nu15020334. [PMID: 36678205 PMCID: PMC9864832 DOI: 10.3390/nu15020334] [Citation(s) in RCA: 30] [Impact Index Per Article: 30.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Revised: 12/29/2022] [Accepted: 12/30/2022] [Indexed: 01/12/2023] Open
Abstract
Deficiency in vitamin D (VitD), a lipid-soluble vitamin and steroid hormone, affects approximately 24% to 40% of the population of the Western world. In addition to its well-documented effects on the musculoskeletal system, VitD also contributes importantly to the promotion and preservation of cardiovascular health via modulating the immune and inflammatory functions and regulating cell proliferation and migration, endothelial function, renin expression, and extracellular matrix homeostasis. This brief overview focuses on the cardiovascular and cerebrovascular effects of VitD and the cellular, molecular, and functional changes that occur in the circulatory system in VitD deficiency (VDD). It explores the links among VDD and adverse vascular remodeling, endothelial dysfunction, vascular inflammation, and increased risk for cardiovascular and cerebrovascular diseases. Improved understanding of the complex role of VDD in the pathogenesis of atherosclerotic cardiovascular diseases, stroke, and vascular cognitive impairment is crucial for all cardiologists, dietitians, and geriatricians, as VDD presents an easy target for intervention.
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Kirlangic MM, Sade OS, Eraslan Sahin M. Effect of third trimester maternal vitamin D levels on placental weight to birth weight ratio in uncomplicated pregnancies. J Perinat Med 2022:jpm-2022-0432. [PMID: 36508611 DOI: 10.1515/jpm-2022-0432] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/04/2022] [Accepted: 11/14/2022] [Indexed: 12/14/2022]
Abstract
OBJECTIVES Vitamin D has critical role for the fetal and placental development. Today, placental weight (PW), fetal birth weight (BW), and the PW/BW ratio are used as markers of fetal development. The aim of this study is to evaluate the relationship between vitamin D levels and these markers in uncomplicated pregnancies. METHODS This study included 108 women with uncomplicated pregnancies, defined as full-term and healthy pregnancies without perinatal complications. Vitamin D levels <12 ng/mL were classified as deficient, 12-20 ng/mL as insufficient, and >20 ng/mL as normal. Postnatal BW and PW were compared according to maternal serum vitamin D levels. RESULTS Maternal age, maternal height, maternal weight, body mass index, nulliparity, gestational age at delivery, mode of delivery, and fetal gender were similar between groups. Postnatal BW, PW, fetal height at birth, and fetal head circumference parameters were similar between the groups. The PW/BW ratio was 21.77±2.20 in the vitamin D deficient group, 21.20±2.40 in the insufficient group, and 19.98±2.37 in the normal group (p=0.012). In addition, there was a significant negative correlation between vitamin D level and the PW/BW ratio (p=0.012, r=0.031). CONCLUSIONS Our results indicated that PW/BW ratio which is the marker for prediction adverse perinatal outcomes were significantly increased in the presence of vitamin D deficiency and insufficiency.
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Affiliation(s)
- Mehmet Mete Kirlangic
- Department of Obstetrics and Gynecology, Kartal Dr. Lutfi Kirdar Research and Training Hospital, Istanbul, Turkiye
| | - Osman Sertac Sade
- Department of Obstetrics and Gynecology, Tuzla Government Hospital, Istanbul, Turkiye
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Turk AC, Ozdemir YB, Karavelioglu Y, Yetim M, Sahin F. The effect of vitamin D level on cardiac rehabilitation in patients with Coronary Artery Disease. J Back Musculoskelet Rehabil 2022; 35:1373-1380. [PMID: 35723087 DOI: 10.3233/bmr-210355] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
BACKGROUND 25-hydroxy vitamin D (25OHD) deficiency is associated with cardiovascular disease and poor physical performance. OBJECTIVE To assign the effect of 25OHD level on cardiac rehabilitation (CR) in patients with coronary artery disease (CAD). METHODS One-hundred-thirty-five patients with CAD who underwent a CR programme were enrolled in this retrospective study. Patients were divided into two-group according to 25OHD level (Group 1: < 20 ng/dl; Group 2: ⩾ 20 ng/dl). All patients received CR for 30 sessions. Each participant performed 40 minutes of aerobic exercise with a cycloergometer followed by muscle strengthening exercises. The patients were evaluated before and after CR by a pulmonary function test (PFT) and a cardiopulmonary exercise test (CPET). RESULTS There were 77 (57%) patients in Group 1 and 58 patients (43%) in Group 2. Demographic characteristics between the groups were similar. Pre- and post-rehabilitation CPET parameters were lower in Group 1 (p< 0.05). Both groups had significant improvement in CPET (p< 0.05). Post-rehabilitation PFT parameters (FEV1, FVC) were higher in Group 2 (p< 0.05). There was a positive correlation between the 25OHD-level and the CPET-PFT parameters (p< 0.05). CONCLUSION 25OHD deficiency in patients with CAD reduces the response to CR. It also affects respiratory function according to the FEV1, FVC parameters. In patients scheduled for CR, 25OHD-levels should be evaluated, and any deficiency corrected.
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Affiliation(s)
- Ayla Cagliyan Turk
- Department of Physical Medicine and Rehabilitation, Faculty of Medicine, Hitit University, Corum, Turkey
| | - Yeliz Bahar Ozdemir
- Department of Physical Medicine and Rehabilitation, Abdulhamid Han Training and Research Hospital, Health Sciences University Sultan 2, Istanbul, Turkey
| | - Yusuf Karavelioglu
- Department of Cardiology, Faculty of Medicine, Hitit University, Corum, Turkey
| | - Mucahit Yetim
- Department of Cardiology, Faculty of Medicine, Hitit University, Corum, Turkey
| | - Fusun Sahin
- Physical Medicine and Rehabilitation Physician, Denizli, Turkey
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Maternal Supplementation of Probiotics, Prebiotics or Postbiotics to Prevent Offspring Metabolic Syndrome: The Gap between Preclinical Results and Clinical Translation. Int J Mol Sci 2022; 23:ijms231710173. [PMID: 36077575 PMCID: PMC9456151 DOI: 10.3390/ijms231710173] [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: 07/27/2022] [Revised: 09/01/2022] [Accepted: 09/02/2022] [Indexed: 11/21/2022] Open
Abstract
Metabolic syndrome (MetS) is an extremely prevalent complex trait and it can originate in early life. This concept is now being termed the developmental origins of health and disease (DOHaD). Increasing evidence supports that disturbance of gut microbiota influences various risk factors of MetS. The DOHaD theory provides an innovative strategy to prevent MetS through early intervention (i.e., reprogramming). In this review, we summarize the existing literature that supports how environmental cues induced MetS of developmental origins and the interplay between gut microbiota and other fundamental underlying mechanisms. We also present an overview of experimental animal models addressing implementation of gut microbiota-targeted reprogramming interventions to avert the programming of MetS. Even with growing evidence from animal studies supporting the uses of gut microbiota-targeted therapies start before birth to protect against MetS of developmental origins, their effects on pregnant women are still unknown and these results require further clinical translation.
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Ozorowski M, Wiciński M, Wróbel Ł, Fajkiel-Madajczyk A. Cholecalciferol supplementation lowers leptin and TMAO but increases NO and VEGF-A levels in obese vitamin D deficient patients: Is it one of the potential cardioprotective mechanisms of vitamin D? Nutr Metab (Lond) 2022; 19:31. [PMID: 35488267 PMCID: PMC9052493 DOI: 10.1186/s12986-022-00666-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2022] [Accepted: 04/20/2022] [Indexed: 11/20/2022] Open
Abstract
Background Vitamin D deficiency is one of the most common health issues in developed countries. Obese patients are most at risk of having serum 25-hydroxyvitamin D3 (25(OH)D3) levels that are too low due to the accumulation of vitamin D in adipose tissue. While the effects of a deficiency on the skeletal or immune system are known, the effects on the cardiovascular system are not yet clear. Our study investigates the effect of cholecalciferol supplementation in obese patients on selected biomarkers associated with cardiovascular diseases (CVDs). Methods The study enrolled 33 obese patients with insufficient 25(OH)D3 levels. For three months, the subjects supplemented with cholecalciferol at a dose of 2000 IU/day. Concentrations of nitric oxide (NO), vascular endothelial growth factor A (VEGF-A), leptin, trimethylamine N-oxide (TMAO) and soluble suppression of tumorigenicity 2 (sST2) were measured in baseline samples using ELISA (BioTek EPOCH). 25(OH)D3 levels measured on Beckman Coulter DXI 800 by chemiluminescence method. Results After supplementation, 25(OH)D3 levels increased significantly. Normal levels were achieved in most patients. A statistically significant reduction leptin and TMAO levels was observed. At the same time, NO and VEGF-A levels increased statistically significantly. Conclusion This study indicates that restoring normal 25(OH)D3 levels in obese people reduces the concentration of pro-inflammatory factors associated with cardiovascular diseases. Reducing inflammation and the potential impact on vascular reactivity leads to the conclusion that cholecalciferol supplementation in obese patients may benefit the cardiovascular system.
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Affiliation(s)
- Mateusz Ozorowski
- Department of Pharmacology and Therapeutics, Faculty of Medicine, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University, M. Curie 9, 85-090, Bydgoszcz, Poland.
| | - Michał Wiciński
- Department of Pharmacology and Therapeutics, Faculty of Medicine, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University, M. Curie 9, 85-090, Bydgoszcz, Poland
| | - Łukasz Wróbel
- Department of Pharmacology and Therapeutics, Faculty of Medicine, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University, M. Curie 9, 85-090, Bydgoszcz, Poland
| | - Anna Fajkiel-Madajczyk
- Department of Pharmacology and Therapeutics, Faculty of Medicine, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University, M. Curie 9, 85-090, Bydgoszcz, Poland
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Tain YL, Hsu CN. Hypertension of Developmental Origins: Consideration of Gut Microbiome in Animal Models. Biomedicines 2022; 10:biomedicines10040875. [PMID: 35453625 PMCID: PMC9030804 DOI: 10.3390/biomedicines10040875] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2022] [Revised: 03/29/2022] [Accepted: 04/08/2022] [Indexed: 11/29/2022] Open
Abstract
Hypertension is the leading cause of global disease burden. Hypertension can arise from early life. Animal models are valuable for giving cogent evidence of a causal relationship between various environmental insults in early life and the hypertension of developmental origins in later life. These insults consist of maternal malnutrition, maternal medical conditions, medication use, and exposure to environmental chemicals/toxins. There is a burgeoning body of evidence on maternal insults can shift gut microbiota, resulting in adverse offspring outcomes later in life. Emerging evidence suggests that gut microbiota dysbiosis is involved in hypertension of developmental origins, while gut microbiota-targeted therapy, if applied early, is able to help prevent hypertension in later life. This review discusses the innovative use of animal models in addressing the mechanisms behind hypertension of developmental origins. We will also highlight the application of animal models to elucidate how the gut microbiota connects with other core mechanisms, and the potential of gut microbiota-targeted therapy as a novel preventive strategy to prevent hypertension of developmental origins. These animal models have certainly enhanced our understanding of hypertension of developmental origins, closing the knowledge gap between animal models and future clinical translation.
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Affiliation(s)
- You-Lin Tain
- Department of Pediatrics, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung 833, Taiwan;
- Institute for Translational Research in Biomedicine, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung 833, Taiwan
| | - Chien-Ning Hsu
- Department of Pharmacy, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 833, Taiwan
- School of Pharmacy, Kaohsiung Medical University, Kaohsiung 807, Taiwan
- Correspondence: ; Tel.: +886-975-368-975; Fax: +886-7733-8009
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Shen Q, Xu Q, Li G, Ren L, Zhang Z, Zhang Y, Zhong Z, Li X, Wang Q. Joint effect of 25-hydroxyvitamin D and secondhand smoke exposure on hypertension in non-smoking women of childbearing age: NHANES 2007-2014. Environ Health 2021; 20:117. [PMID: 34781965 PMCID: PMC8591921 DOI: 10.1186/s12940-021-00803-1] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2021] [Accepted: 11/01/2021] [Indexed: 05/04/2023]
Abstract
BACKGROUND Vitamin D deficiency (VDD) may increase the risk of hypertension in women of childbearing age, who may be exposed to secondhand smoke (SHS) simultaneously. Till now, few studies have investigated the joint effects of VDD and SHS on hypertension in this population. We evaluated whether exposure to SHS modified the association between VDD and hypertension. METHODS Data from National Health and Nutrition Examination Surveys (NHANES) 2007-2014 were analyzed. Our research subjects were 2826 nonsmoking and nonpregnant women of childbearing age (20-44 years old). Hypertension was defined based either on systolic blood pressure (SBP) ≥ 130 mmHg and/or diastolic blood pressure (DBP) ≥ 80 mmHg or on now taking prescribed medicine for hypertension. The directed acyclic graphs (DAG) and the back-door criterion were used to select a minimal sufficient adjustment set of variables (MSAs) that would identify the unconfounded effect of 25(OH)D and hypertension. The interactive effect of VDD and SHS on hypertension was evaluated by using logistic regression models, followed by strata-specific analyses. RESULTS The prevalence of VDD in the hypertension group was significantly higher than that in the non-hypertension group (48.2% vs 41.0%, P = 0.008), as well as the exposure rate of SHS (39.1% vs 33.8%, P = 0.017). VDD was independently associated with nearly 50% increased risk of hypertension [adjusted odds ratio (aOR) = 1.43, 95% confidence interval (CI): 1.01, 2.04], while no significant association was observed between SHS and hypertension. However, SHS showed a significant synergistic effect on VDD with a higher aOR of 1.79 (95% CI: 1.14, 2.80) (Pinteraction = 0.011). This synergistic effect was more obvious when stratified by BMI (in overweight women, aOR, 95% CI =4.74, 1.65-13.60 for interaction vs 2.33, 1.01-5.38 for VDD only) and race (in Non-Hispanic Black women, aOR, 95% CI =5.11, 1.58-16.54 for interaction vs 2.69, 1.10-6.62 for VDD only). CONCLUSION There exist synergistic effects of SHS and VDD on the prevalence of hypertension in American women of childbearing age, with more significant effects in women who were overweight or Non-Hispanic Black. Further studies are warranted to verify this finding in other populations, and the molecular mechanisms underlying the joint effect of SHS and VDD need to be elucidated.
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Affiliation(s)
- Qianqian Shen
- Public Health School, Institute of Human Nutrition, Medical College of Qingdao University, Gate 2, Haoyuan, Ningde Road, Qingdao, China
| | - Qian Xu
- Qingdao Women and Children's Hospital, Qingdao University, Qingdao, China
| | - Guoju Li
- Qingdao Women and Children's Hospital, Qingdao University, Qingdao, China
| | - Lisheng Ren
- The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Zhenhong Zhang
- Public Health School, Institute of Human Nutrition, Medical College of Qingdao University, Gate 2, Haoyuan, Ningde Road, Qingdao, China
| | - Yangting Zhang
- Public Health School, Institute of Human Nutrition, Medical College of Qingdao University, Gate 2, Haoyuan, Ningde Road, Qingdao, China
| | - Zhaoyi Zhong
- Public Health School, Institute of Human Nutrition, Medical College of Qingdao University, Gate 2, Haoyuan, Ningde Road, Qingdao, China
| | - Xiaona Li
- Public Health School, Institute of Human Nutrition, Medical College of Qingdao University, Gate 2, Haoyuan, Ningde Road, Qingdao, China
| | - Qiuzhen Wang
- Public Health School, Institute of Human Nutrition, Medical College of Qingdao University, Gate 2, Haoyuan, Ningde Road, Qingdao, China.
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Hsu CN, Hou CY, Hsu WH, Tain YL. Early-Life Origins of Metabolic Syndrome: Mechanisms and Preventive Aspects. Int J Mol Sci 2021; 22:ijms222111872. [PMID: 34769303 PMCID: PMC8584419 DOI: 10.3390/ijms222111872] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2021] [Revised: 10/31/2021] [Accepted: 10/31/2021] [Indexed: 02/07/2023] Open
Abstract
One of the leading global public-health burdens is metabolic syndrome (MetS), despite the many advances in pharmacotherapies. MetS, now known as "developmental origins of health and disease" (DOHaD), can have its origins in early life. Offspring MetS can be programmed by various adverse early-life conditions, such as nutrition imbalance, maternal conditions or diseases, maternal chemical exposure, and medication use. Conversely, early interventions have shown potential to revoke programming processes to prevent MetS of developmental origins, namely reprogramming. In this review, we summarize what is currently known about adverse environmental insults implicated in MetS of developmental origins, including the fundamental underlying mechanisms. We also describe animal models that have been developed to study the developmental programming of MetS. This review extends previous research reviews by addressing implementation of reprogramming strategies to prevent the programming of MetS. These mechanism-targeted strategies include antioxidants, melatonin, resveratrol, probiotics/prebiotics, and amino acids. Much work remains to be accomplished to determine the insults that could induce MetS, to identify the mechanisms behind MetS programming, and to develop potential reprogramming strategies for clinical translation.
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Affiliation(s)
- Chien-Ning Hsu
- Department of Pharmacy, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 833, Taiwan;
- School of Pharmacy, Kaohsiung Medical University, Kaohsiung 807, Taiwan
| | - Chih-Yao Hou
- Department of Seafood Science, National Kaohsiung University of Science and Technology, Kaohsiung 811, Taiwan;
| | - Wei-Hsuan Hsu
- Department of Food Safety/Hygiene and Risk Management, College of Medicine, National Chen Kung University, Tainan 701, Taiwan;
| | - You-Lin Tain
- Department of Pediatrics, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung 833, Taiwan
- Institute for Translational Research in Biomedicine, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung 833, Taiwan
- Correspondence: ; Tel.: +886-975-056-995; Fax: +886-7733-8009
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Wee CL, Mokhtar SS, Banga Singh KK, Rasool AHG. Vitamin D deficiency attenuates endothelial function by reducing antioxidant activity and vascular eNOS expression in the rat microcirculation. Microvasc Res 2021; 138:104227. [PMID: 34324883 DOI: 10.1016/j.mvr.2021.104227] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2021] [Revised: 07/05/2021] [Accepted: 07/20/2021] [Indexed: 11/16/2022]
Abstract
This study examined the effects of vitamin D deficiency on vascular function and tissue oxidative status in the microcirculation; and whether or not these effects can be ameliorated with calcitriol, the active vitamin D metabolite. Three groups (n = 10 each) of male Sprague Dawley rats were fed for 10 weeks with control diet (CR), vitamin D-deficient diet without (DR), or with oral calcitriol supplementation (0.15 μg/kg) for the last four weeks (DSR). After 10 weeks, rats were sacrificed; mesenteric arterial rings were studied using wire myograph. Oxidative stress biomarkers malondialdehyde (MDA) levels and superoxide dismutase (SOD) activity were measured in the mesenteric arterial tissue. Vascular protein expression of endothelial nitric oxide synthase (eNOS) was determined by Western blotting. Acetylcholine-induced endothelium-dependent relaxation of DR was lower than CR. eNOS expression and SOD activity were lower in mesenteric arterial tissue of DR compared to CR. Calcitriol supplementation to DSR did not ameliorate the above parameters; in fact, augmented endothelium-dependent contraction was observed. Serum calcium was higher in DSR compared to CR and DR. In conclusion, vitamin D deficiency impaired microvascular vasodilation, associated with eNOS downregulation and reduced antioxidant activity. Calcitriol supplementation to vitamin D-deficient rats at the dosage used augmented endothelium-dependent contraction, possibly due to hypercalcaemia.
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Affiliation(s)
- Chee Lee Wee
- Department of Pharmacology, School of Medical Sciences, Universiti Sains Malaysia (Health Campus), 16150 Kota Bharu, Kelantan, Malaysia
| | - Siti Safiah Mokhtar
- Department of Pharmacology, School of Medical Sciences, Universiti Sains Malaysia (Health Campus), 16150 Kota Bharu, Kelantan, Malaysia
| | - Kirnpal Kaur Banga Singh
- Department of Medical Microbiology and Parasitology, School of Medical Sciences, Universiti Sains Malaysia (Health Campus), 16150 Kota Bharu, Kelantan, Malaysia
| | - Aida Hanum Ghulam Rasool
- Department of Pharmacology, School of Medical Sciences, Universiti Sains Malaysia (Health Campus), 16150 Kota Bharu, Kelantan, Malaysia.
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Impact of Vitamin D Supplementation on Inflammatory Markers' Levels in Obese Patients. Curr Issues Mol Biol 2021; 43:1606-1622. [PMID: 34698104 PMCID: PMC8929128 DOI: 10.3390/cimb43030114] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Revised: 10/11/2021] [Accepted: 10/12/2021] [Indexed: 11/18/2022] Open
Abstract
In view of research suggesting a possible beneficial impact of vitamin D on systemic inflammatory response, the authors decided to investigate an influence of vitamin D supplementation on serum levels of certain inflammatory markers in obese patients. The current study included such biomarkers as interleukin-6 (IL-6), pituitary adenylate cyclase-activating peptide (PACAP), advanced oxidation protein products (AOPP), C-X3-C Motif Chemokine Ligand 1 (CX3CL1), monocyte chemoattractant protein-1 (MCP-1), and nitric oxide (NO). The measurements were performed with the ELISA method before and after 3-month-long supplementation of 2000 IU of vitamin D orally. The results showed that the therapy did not induce any statistically significant changes in serum levels of MCP-1, IL-6, CX3CL1, and PACAP. The supplementation was related to a significant increase in measurements of NO and AOPP levels, although the correlation analysis between vitamin D concentration after its supplementation and the concentration of the molecular parameters did not show significant relation. In conclusion, our study seems to contradict certain aspects of findings available in the literature regarding the vitamin D’s impact.
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Rontogianni MO, Kanellopoulou A, Markozannes G, Bouras E, Derdemezis C, Doumas MT, Sigounas DE, Tzovaras VT, Vakalis K, Panagiotakos DB, Aretouli E, Tzoulaki I, Evangelou E, Rizos EC, Ntzani E, Tsilidis KK. Prevalence and Determinants of Sex-Specific Dietary Supplement Use in a Greek Cohort. Nutrients 2021; 13:2857. [PMID: 34445018 PMCID: PMC8399686 DOI: 10.3390/nu13082857] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Revised: 08/15/2021] [Accepted: 08/17/2021] [Indexed: 02/08/2023] Open
Abstract
We describe the profile of dietary supplement use and its correlates in the Epirus Health Study cohort, which consists of 1237 adults (60.5% women) residing in urban north-west Greece. The association between dietary supplement use and demographic characteristics, lifestyle behaviors, personal medical history and clinical measurements was assessed using logistic regression models, separately for women and men. The overall prevalence of dietary supplement use was 31.4%, and it was higher in women (37.3%) compared to men (22.4%; p-value = 4.2-08). Based on multivariable logistic regression models, dietary supplement use in women was associated with age (positively until middle-age and slightly negatively afterwards), the presence of a chronic health condition (OR = 1.71; 95% CI, 1.18-2.46), lost/removed teeth (OR = 0.52; 95% CI, 0.35-0.78) and diastolic blood pressure (OR per 5 mmHg increase =0.84; 95% CI, 0.73-0.96); body mass index and worse general health status were borderline inversely associated. In men, dietary supplement use was positively associated with being employed (OR = 2.53; 95% CI, 1.21-5.29). A considerable proportion of our sample used dietary supplements, and the associated factors differed between women and men.
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Affiliation(s)
- Marina O. Rontogianni
- Department of Hygiene and Epidemiology, University of Ioannina School of Medicine, 45110 Ioannina, Greece; (M.O.R.); (A.K.); (G.M.); (E.B.); (C.D.); (I.T.); (E.E.); (E.N.)
| | - Afroditi Kanellopoulou
- Department of Hygiene and Epidemiology, University of Ioannina School of Medicine, 45110 Ioannina, Greece; (M.O.R.); (A.K.); (G.M.); (E.B.); (C.D.); (I.T.); (E.E.); (E.N.)
| | - Georgios Markozannes
- Department of Hygiene and Epidemiology, University of Ioannina School of Medicine, 45110 Ioannina, Greece; (M.O.R.); (A.K.); (G.M.); (E.B.); (C.D.); (I.T.); (E.E.); (E.N.)
| | - Emmanouil Bouras
- Department of Hygiene and Epidemiology, University of Ioannina School of Medicine, 45110 Ioannina, Greece; (M.O.R.); (A.K.); (G.M.); (E.B.); (C.D.); (I.T.); (E.E.); (E.N.)
- Department of Hygiene, Social-Preventive Medicine and Medical Statistics, Aristotle University of Thessaloniki School of Medicine, 54124 Thessaloniki, Greece
| | - Christos Derdemezis
- Department of Hygiene and Epidemiology, University of Ioannina School of Medicine, 45110 Ioannina, Greece; (M.O.R.); (A.K.); (G.M.); (E.B.); (C.D.); (I.T.); (E.E.); (E.N.)
| | - Michail T. Doumas
- Ioannina Medical Care, 45333 Ioannina, Greece; (M.T.D.); (D.E.S.); (V.T.T.); (K.V.)
| | | | - Vasilios T. Tzovaras
- Ioannina Medical Care, 45333 Ioannina, Greece; (M.T.D.); (D.E.S.); (V.T.T.); (K.V.)
| | - Konstantinos Vakalis
- Ioannina Medical Care, 45333 Ioannina, Greece; (M.T.D.); (D.E.S.); (V.T.T.); (K.V.)
| | - Demosthenes B. Panagiotakos
- Department of Nutrition and Dietetics, School of Health Science and Education, Harokopio University, 17676 Athens, Greece;
- Discipline of Nutrition and Dietetics, Faculty of Health, University of Canberra, Canberra 2617, Australia
| | - Eleni Aretouli
- School of the Social Sciences, University of Ioannina, 45110 Ioannina, Greece;
- Laboratory of Cognitive Neuroscience, School of Psychology, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
| | - Ioanna Tzoulaki
- Department of Hygiene and Epidemiology, University of Ioannina School of Medicine, 45110 Ioannina, Greece; (M.O.R.); (A.K.); (G.M.); (E.B.); (C.D.); (I.T.); (E.E.); (E.N.)
- Department of Epidemiology and Biostatistics, School of Public Health, Imperial College London, London W2 1PG, UK
| | - Evangelos Evangelou
- Department of Hygiene and Epidemiology, University of Ioannina School of Medicine, 45110 Ioannina, Greece; (M.O.R.); (A.K.); (G.M.); (E.B.); (C.D.); (I.T.); (E.E.); (E.N.)
- Department of Epidemiology and Biostatistics, School of Public Health, Imperial College London, London W2 1PG, UK
| | - Evangelos C. Rizos
- Department of Internal Medicine, University Hospital of Ioannina, 45500 Ioannina, Greece;
- School of Medicine, European University of Cyprus, Nicosia 2404, Cyprus
| | - Evangelia Ntzani
- Department of Hygiene and Epidemiology, University of Ioannina School of Medicine, 45110 Ioannina, Greece; (M.O.R.); (A.K.); (G.M.); (E.B.); (C.D.); (I.T.); (E.E.); (E.N.)
- Center for Evidence-Based Medicine, Department of Health Services, Policy and Practice, School of Public Health, Brown University, Providence, RI 02912, USA
- Institute of Biosciences, University Research Center of loannina, University of Ioannina, 45110 Ioannina, Greece
| | - Konstantinos K. Tsilidis
- Department of Hygiene and Epidemiology, University of Ioannina School of Medicine, 45110 Ioannina, Greece; (M.O.R.); (A.K.); (G.M.); (E.B.); (C.D.); (I.T.); (E.E.); (E.N.)
- Department of Epidemiology and Biostatistics, School of Public Health, Imperial College London, London W2 1PG, UK
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14
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Zou R, Wang S, Cai H, Li F, Lin P, Wang Y, Wang C. Vitamin D Deficiency in Children With Vasovagal Syncope Is Associated With Impaired Circadian Rhythm of Blood Pressure. Front Neurosci 2021; 15:712462. [PMID: 34456677 PMCID: PMC8387869 DOI: 10.3389/fnins.2021.712462] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2021] [Accepted: 07/23/2021] [Indexed: 11/22/2022] Open
Abstract
BACKGROUND Vitamin D deficiency is associated with the risk of cardiovascular diseases. We aimed to investigate the serum vitamin D levels in children with vasovagal syncope (VVS) and explore the correlation of vitamin D status and circadian rhythm of blood pressure in VVS pediatric patients. METHODS This was a retrospective study. 130 syncopal children diagnosed with VVS were included in the study. 110 age and gender matched healthy individuals were enrolled as control. According to serum 25(OH)D levels, VVS patients were divided into vitamin D sufficient group and vitamin D deficient group. Detailed information of VVS children with vitamin D deficiency and sufficiency on demographic data, baseline laboratory testing, echocardiogram, ambulatory blood pressure monitoring, and Holter ECG recording were extracted and analyzed. RESULTS VVS children had a higher prevalence of vitamin D deficiency compared with healthy individuals (33.8% vs. 20.0%, P = 0.017). VVS patients with vitamin D deficiency had a higher rate of non-dipper blood pressure (79.5% vs. 59.3%, P = 0.021) and a lower value of square root of mean squared differences of successive normal to normal intervals (rMSSD) (median 107.8 vs. 141.0 ms, P = 0.035) compared with those with vitamin D sufficiency. Logistic regression analysis showed that non-dipper blood pressure was associated with serum 25(OH)D level [OR = 0.979, 95% CI (0.960, 0.999), P = 0.036]. CONCLUSION VVS pediatric patients had a higher prevalence of vitamin D deficiency. VVS children with vitamin D deficiency showed a higher rate of non-dipper blood pressure, suggesting that vitamin D deficiency is correlated with impaired circadian rhythm of blood pressure.
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Affiliation(s)
- Runmei Zou
- Department of Pediatric Cardiovasology, Children’s Medical Center, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Shuo Wang
- Department of Pediatrics, Xiangya Hospital, Central South University, Changsha, China
| | - Hong Cai
- Department of Pediatric Cardiovasology, Children’s Medical Center, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Fang Li
- Department of Pediatric Cardiovasology, Children’s Medical Center, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Ping Lin
- Department of Pediatric Cardiovasology, Children’s Medical Center, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Yuwen Wang
- Department of Pediatric Cardiovasology, Children’s Medical Center, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Cheng Wang
- Department of Pediatric Cardiovasology, Children’s Medical Center, The Second Xiangya Hospital, Central South University, Changsha, China
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15
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Lu D, Li M, Gan Y, Yu G, Zhang Q, Zhang J. Prenatal exposure to solar radiation and hypertensive disorders of pregnancy. BJOG 2021; 129:393-401. [PMID: 34324790 DOI: 10.1111/1471-0528.16851] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2021] [Revised: 06/24/2021] [Accepted: 07/10/2021] [Indexed: 12/11/2022]
Abstract
OBJECTIVE To examine the association between prenatal exposure to solar radiation and hypertensive disorders of pregnancy (HDP). DESIGN A multicentre retrospective study. SETTING 19 hospitals in the USA. POPULATION 205 888 women with singleton gestation from the Consortium on Safe Labor (2002-2008). MAIN OUTCOME MEASURES Gestational hypertension, pre-eclampsia/eclampsia, and pre-eclampsia superimposed on chronic hypertension. METHODS Medical records of the participants were linked to solar radiation obtained from the National Solar Radiation Database. Average daily solar radiation of each woman was estimated over the entire pregnancy period and over three trimesters during pregnancy according to hospital sites. Generalised estimated equation was applied to investigate the relationship between quartiles of average daily solar radiation and HDP. Restricted cubic spline was applied to assess the nonlinear associations. RESULTS Higher average solar radiation during the entire pregnancy was associated with reduced risks of HDP. Compared with the 1st quartile of solar radiation during the entire pregnancy, odds ratios (ORs) of the 2nd, 3rd and 4th quartiles were respectively 0.80 (95% CI 0.72-0.90), 0.63 (95% CI 0.55-0.73), 0.65 (95% CI 0.54-0.78) for gestational hypertension; 0.66 (95% CI 0.57-0.76), 0.61 (95% CI 0.51-0.73), 0.77 (95% CI 0.62-0.95) for pre-eclampsia, and 0.44 (95% CI 0.36-0.55), 0.42 (95% CI 0.35-0.49), 0.60 (95% CI 0.46-0.78) for superimposed pre-eclampsia. CONCLUSION Exposure to higher daily solar radiation during pregnancy is associated with a decreased risk of HDP. The protective effect was stronger for superimposed pre-eclampsia than for pre-eclampsia or gestational hypertension. TWEETABLE ABSTRACT Exposure to higher daily solar radiation during pregnancy is associated with a decreased risk of HDP.
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Affiliation(s)
- D Lu
- MOE-Shanghai Key Laboratory of Children's Environmental Health, School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, China.,MOE-Shanghai Key Laboratory of Children's Environmental Health, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - M Li
- MOE-Shanghai Key Laboratory of Children's Environmental Health, School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Y Gan
- MOE-Shanghai Key Laboratory of Children's Environmental Health, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - G Yu
- MOE-Shanghai Key Laboratory of Children's Environmental Health, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Q Zhang
- MOE-Shanghai Key Laboratory of Children's Environmental Health, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - J Zhang
- MOE-Shanghai Key Laboratory of Children's Environmental Health, School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, China.,MOE-Shanghai Key Laboratory of Children's Environmental Health, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
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16
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Sipos M, Gerszi D, Dalloul H, Bányai B, Sziva RE, Kollarics R, Magyar P, Török M, Ács N, Szekeres M, Nádasy GL, Hadjadj L, Horváth EM, Várbíró S. Vitamin D Deficiency and Gender Alter Vasoconstrictor and Vasodilator Reactivity in Rat Carotid Artery. Int J Mol Sci 2021; 22:ijms22158029. [PMID: 34360792 PMCID: PMC8347553 DOI: 10.3390/ijms22158029] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Revised: 07/19/2021] [Accepted: 07/22/2021] [Indexed: 01/07/2023] Open
Abstract
The vitamin-D-sensitivity of the cardiovascular system may show gender differences. The prevalence of vitamin D (VD) deficiency (VDD) is high, and it alters cardiovascular function and increases the risk of stroke. Our aim was to investigate the vascular reactivity and histological changes of isolated carotid artery of female and male rats in response to different VD supplies. A total of 48 male and female Wistar rats were divided into four groups: female VD supplemented, female VDD, male VD supplemented, male VDD. The vascular function of isolated carotid artery segments was examined by wire myography. Both vitamin D deficiency and male gender resulted in increased phenylephrine-induced contraction. Acetylcholine-induced relaxation decreased in male rats independently from VD status. Inhibition of prostanoid signaling by indomethacin reduced contraction in females, but increased relaxation ability in male rats. Functional changes were accompanied by VDD and gender-specific histological alterations. Elastic fiber density was significantly decreased by VDD in female rats, but not in males. Smooth muscle actin and endothelial nitric oxide synthase levels were significantly lowered, but the thromboxane receptor was elevated in VDD males. Decreased nitrative stress was detected in both male groups independently from VD supply. The observed interactions between vitamin D deficiency and sex may play a role in the gender difference of cardiovascular risk.
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Affiliation(s)
- Miklós Sipos
- Department of Obstetrics and Gynecology, Faculty of Medicine, Semmelweis University, Üllői Street 78/a, 1083 Budapest, Hungary; (M.S.); (D.G.); (H.D.); (R.K.); (M.T.); (N.Á.); (S.V.)
| | - Dóra Gerszi
- Department of Obstetrics and Gynecology, Faculty of Medicine, Semmelweis University, Üllői Street 78/a, 1083 Budapest, Hungary; (M.S.); (D.G.); (H.D.); (R.K.); (M.T.); (N.Á.); (S.V.)
- Department of Physiology, Faculty of Medicine, Semmelweis University, Tűzoltó Street 37-47, 1094 Budapest, Hungary; (B.B.); (M.S.); (G.L.N.); (E.M.H.)
| | - Hicham Dalloul
- Department of Obstetrics and Gynecology, Faculty of Medicine, Semmelweis University, Üllői Street 78/a, 1083 Budapest, Hungary; (M.S.); (D.G.); (H.D.); (R.K.); (M.T.); (N.Á.); (S.V.)
| | - Bálint Bányai
- Department of Physiology, Faculty of Medicine, Semmelweis University, Tűzoltó Street 37-47, 1094 Budapest, Hungary; (B.B.); (M.S.); (G.L.N.); (E.M.H.)
| | - Réka Eszter Sziva
- Department of Obstetrics and Gynecology, Faculty of Medicine, Semmelweis University, Üllői Street 78/a, 1083 Budapest, Hungary; (M.S.); (D.G.); (H.D.); (R.K.); (M.T.); (N.Á.); (S.V.)
- Department of Physiology, Faculty of Medicine, Semmelweis University, Tűzoltó Street 37-47, 1094 Budapest, Hungary; (B.B.); (M.S.); (G.L.N.); (E.M.H.)
- Workgroup for Science Management, Doctoral School, Semmelweis University, Üllői Street 22, 1085 Budapest, Hungary
- Correspondence:
| | - Réka Kollarics
- Department of Obstetrics and Gynecology, Faculty of Medicine, Semmelweis University, Üllői Street 78/a, 1083 Budapest, Hungary; (M.S.); (D.G.); (H.D.); (R.K.); (M.T.); (N.Á.); (S.V.)
- Department of Physiology, Faculty of Medicine, Semmelweis University, Tűzoltó Street 37-47, 1094 Budapest, Hungary; (B.B.); (M.S.); (G.L.N.); (E.M.H.)
| | - Péter Magyar
- Medical Imaging Centre, Faculty of Medicine, Semmelweis University, Üllői Street 78/a, 1083 Budapest, Hungary;
| | - Marianna Török
- Department of Obstetrics and Gynecology, Faculty of Medicine, Semmelweis University, Üllői Street 78/a, 1083 Budapest, Hungary; (M.S.); (D.G.); (H.D.); (R.K.); (M.T.); (N.Á.); (S.V.)
- Workgroup for Science Management, Doctoral School, Semmelweis University, Üllői Street 22, 1085 Budapest, Hungary
| | - Nándor Ács
- Department of Obstetrics and Gynecology, Faculty of Medicine, Semmelweis University, Üllői Street 78/a, 1083 Budapest, Hungary; (M.S.); (D.G.); (H.D.); (R.K.); (M.T.); (N.Á.); (S.V.)
| | - Mária Szekeres
- Department of Physiology, Faculty of Medicine, Semmelweis University, Tűzoltó Street 37-47, 1094 Budapest, Hungary; (B.B.); (M.S.); (G.L.N.); (E.M.H.)
- Department of Morphology and Physiology, Faculty of Health Sciences, Semmelweis University, Vas Street 17, 1088, Budapest, Hungary
| | - György L. Nádasy
- Department of Physiology, Faculty of Medicine, Semmelweis University, Tűzoltó Street 37-47, 1094 Budapest, Hungary; (B.B.); (M.S.); (G.L.N.); (E.M.H.)
| | - Leila Hadjadj
- Department of Translational Medicine, Faculty of Medicine, Semmelweis University, Tűzoltó Street 37-47, 1094 Budapest, Hungary;
| | - Eszter Mária Horváth
- Department of Physiology, Faculty of Medicine, Semmelweis University, Tűzoltó Street 37-47, 1094 Budapest, Hungary; (B.B.); (M.S.); (G.L.N.); (E.M.H.)
| | - Szabolcs Várbíró
- Department of Obstetrics and Gynecology, Faculty of Medicine, Semmelweis University, Üllői Street 78/a, 1083 Budapest, Hungary; (M.S.); (D.G.); (H.D.); (R.K.); (M.T.); (N.Á.); (S.V.)
- Workgroup for Science Management, Doctoral School, Semmelweis University, Üllői Street 22, 1085 Budapest, Hungary
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Abstract
Vitamin D deficiency is linked to cardiac dysfunction, vascular remodeling, metabolic syndrome and insulin resistance (IR). The aim of the present study was to evaluate the association between vitamin D levels and cardiovascular (CV) organ damage in a large cohort of newly diagnosed treatment-naïve hypertensive patients, and the role of IR in this context. We enrolled 500 Caucasian individuals, without CV or renal complications. Subjects underwent a complete evaluation and measurements of vitamin D, standard laboratory determinations and instrumental examination, including echocardiography and applanation tonometry. Linear regression analyses were performed to assess the correlation between pulse wave velocity (PWV) and left ventricular mass index (LVMI) with different covariates. PWV was significantly correlated with age (p < 0.0001), LDL cholesterol (p < 0.0001), BMI (p = 0.001), pulse pressure (PP) (p = 0.005) and high sensitivity C-reactive protein (hs-CRP) (p = 0.006), while an inverse correlation was observed with vitamin D levels (p < 0.0001), Matsuda index (p < 0.0001) and estimated glomerular filtration ratio (e-GFR) (p = 0.006). LVMI significantly correlated with PP (p < 0.0001), hs-CRP (p < 0, 0001) and age (p = 0.001), while an inverse relationship was observed with vitamin D levels (p < 0.0001), Matsuda’s insulin sensitivity index (ISI) (p < 0.0001) and e-GFR (p < 0.0001). Vitamin D was the strongest predictor of PWV and LVMI, explaining, respectively, 28.3% and 19.1% of their variation. Our study suggests that low vitamin D might be a biomarker of end-organ damage.
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Animal Models for DOHaD Research: Focus on Hypertension of Developmental Origins. Biomedicines 2021; 9:biomedicines9060623. [PMID: 34072634 PMCID: PMC8227380 DOI: 10.3390/biomedicines9060623] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2021] [Revised: 05/27/2021] [Accepted: 05/28/2021] [Indexed: 12/11/2022] Open
Abstract
Increasing evidence suggests that fetal programming through environmental exposure during a critical window of early life leads to long-term detrimental outcomes, by so-called developmental origins of health and disease (DOHaD). Hypertension can originate in early life. Animal models are essential for providing convincing evidence of a causal relationship between diverse early-life insults and the developmental programming of hypertension in later life. These insults include nutritional imbalances, maternal illnesses, exposure to environmental chemicals, and medication use. In addition to reviewing the various insults that contribute to hypertension of developmental origins, this review focuses on the benefits of animal models in addressing the underlying mechanisms by which early-life interventions can reprogram disease processes and prevent the development of hypertension. Our understanding of hypertension of developmental origins has been enhanced by each of these animal models, narrowing the knowledge gap between animal models and future clinical translation.
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Alqrache A, Mostafa M, Ghabrah O, Ghabrah Z, Kamal N, Ghabrah T, Atta H. Knowledge and Patterns of Dietary Supplement Use among Students Attending King Abdulaziz University in Saudi Arabia: A Cross-Sectional Study. INQUIRY: The Journal of Health Care Organization, Provision, and Financing 2021; 58:469580211020882. [PMID: 34053321 PMCID: PMC8743916 DOI: 10.1177/00469580211020882] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
Oral dietary supplements (DSs) include vitamins, minerals, amino acids, energy drinks, and herbal products. The use of DSs is increasing and their manufacturers promote their benefits. Studies have validated some of these benefits, but have also indicated that some DSs can have adverse effects, especially if used without the appropriate supervision. Little information on DS use among Saudis is available. This study assessed the use of dietary supplements among male and female university students with the goal of educating the community about DSs and the dangers associated with their misuse. Online and paper validated questionnaires were administered to King Abdulaziz University (KAU) students between September 2019 and January 2020. The responses were collected and analyzed statistically. Of the 954 KAU students who completed the survey, one-third used DSs (42.9% women vs 25.7% men). Of these, 51.7% believed that DSs are essential for health, 41.7% classified them as both food and drugs, 67.2% were aware that DSs could not replace a healthy diet, and 25.8% were aware of their potentially harmful effects. Multivitamins and minerals were the most used DSs. DS awareness among KAU students is limited. Additional health education is necessary to assist students in their selection of the most suitable DSs.
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Affiliation(s)
| | - Mostafa Mostafa
- King Abdulaziz University, Jeddah, Saudi Arabia.,Cairo University, Cairo, Egypt
| | - Omar Ghabrah
- Maternity and Children Hospital, Al-Kharj, Saudi Arabia
| | - Ziyad Ghabrah
- Maternity and Children Hospital, Al-Kharj, Saudi Arabia
| | - Nezar Kamal
- King Abdulaziz University, Jeddah, Saudi Arabia
| | | | - Hazem Atta
- King Abdulaziz University, Jeddah, Saudi Arabia.,Cairo University, Cairo, Egypt
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20
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Evaluating the association between maternal vitamin D deficiency and preeclampsia among Indian gravidas. Eur J Obstet Gynecol Reprod Biol 2021; 261:103-109. [PMID: 33915489 DOI: 10.1016/j.ejogrb.2021.04.014] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2020] [Revised: 04/04/2021] [Accepted: 04/11/2021] [Indexed: 11/20/2022]
Abstract
OBJECTIVE The association between vitamin D deficiency and devastating preeclampsia is still debated. In this present study, our aim is to evaluate whether a statistically significant association exists between vitamin D deficiency and preeclampsia in Indian gravidas. As to the best of our knowledge, no study of this context with such a large sample size is done in the Indian population till now. METHOD A case-control study was performed in the year 2015-2019 where we enrolled 1000 pregnant women with preeclampsia admitted either in labor or for induction of labor in the study group and 1000 pregnant women without preeclampsia either in labor or admitted for induction of labor at term gestation in the control group. Serum 25-hydroxyvitamin D [25 (OH)] D levels of both the groups were measured through the radioimmunoassay method and analyzed. In both the groups, samples were collected equally across all the seasons of the year to avoid confounding by seasonal variation of vitamin D. Primary outcome measures the association of vitamin D deficiency and preeclampsia. While secondary outcome measures the correlation between levels of vitamin D deficiency with the severity of preeclampsia. RESULT A significantly low mean vitamin D level was seen in preeclamptic women (11.0 ± 7.1 ng /ml) compared to normotensive (31.4 ± 1.7 ng/ml) with p < .001. We observed approximately 11 fold increased odds of having preeclampsia in vitamin D deficient women (OR: 11.308; 95 % CI 7.5982-14.0097). Moreover, we observed that as vitamin D level decreases, the severity of preeclampsia increases (p < .001). CONCLUSION Compared with normotensive women, preeclamptic women had a significantly low level of vitamin D, suggesting a significant association between vitamin D deficiency and preeclampsia.
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21
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Marques EB, Souza KPD, Alvim-Silva T, Martins ILF, Pedro S, Scaramello CBV. Nutrition and Cardiovascular Diseases: Programming and Reprogramming. INTERNATIONAL JOURNAL OF CARDIOVASCULAR SCIENCES 2021. [DOI: 10.36660/ijcs.20200031] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
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22
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Kim HS, Cho MC. Low Serum 25-Hydroxyvitamin D Level as a Potential Risk Factor of Erectile Dysfunction in Elderly Men with Moderate to Severe Lower Urinary Tract Symptoms. World J Mens Health 2021; 40:139-148. [PMID: 33663029 PMCID: PMC8761244 DOI: 10.5534/wjmh.200176] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2020] [Revised: 01/07/2021] [Accepted: 01/13/2021] [Indexed: 11/15/2022] Open
Abstract
Purpose To evaluate the correlation between vitamin D level and erectile dysfunction (ED) in male lower urinary tract symptoms (LUTS) patients. Materials and Methods We analyzed data from 534 male patients who were tested for LUTS from 2014 to 2017. LUTS severity was classified into mild (≤7) or moderate to severe (≥8) based on total IPSS scores. Vitamin D deficiency was defined as a serum 25-hydroxyvitamin D [25(OH)D] level of less than 20 ng/mL. The severity of ED was dichotomized into mild (≥17 points) or moderate to severe (≤16 points) depending on total IIEF-5 scores. The association of the serum 25(OH)D level with moderate to severe ED was assessed using logistic regression analysis. Results In the entire cohort, moderate to severe ED was significantly associated with age ≥60 years (odds ratio [OR], 1.762; 95% confidence interval [CI], 1.011–3.073) and moderate to severe LUTS (OR, 2.075; 95% CI, 1.134–3.789), but not with serum 25(OH)D level (OR, 1.001; 95% CI, 0.979–1.023). Whereas, in the subgroup consisting of moderate to severe LUTS patients over 60 years (n=223), either low serum 25(OH)D level (OR, 0.944; 95% CI, 0.903–0.986) or vitamin D deficiency (OR, 2.949; 95% CI, 1.118–7.782) was the independent risk factor of moderate to severe ED as a result of each multivariate analysis. Conclusions Low vitamin D status closely correlated with moderate to severe ED in elderly men with moderate to severe LUTS.
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Affiliation(s)
- Hyung Suk Kim
- Department of Urology, Dongguk University Ilsan Hospital, Dongguk University School of Medicine, Goyang, Korea
| | - Min Chul Cho
- Department of Urology, Seoul Metropolitan Government-Seoul National University (SMG-SNU) Boramae Medical Center, Seoul, Korea.
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Wee CL, Mokhtar SS, Singh KKB, Yahaya S, Leung SWS, Rasool AHG. Calcitriol Supplementation Ameliorates Microvascular Endothelial Dysfunction in Vitamin D-Deficient Diabetic Rats by Upregulating the Vascular eNOS Protein Expression and Reducing Oxidative Stress. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2021; 2021:3109294. [PMID: 33623633 PMCID: PMC7875614 DOI: 10.1155/2021/3109294] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/30/2020] [Revised: 12/14/2020] [Accepted: 01/20/2021] [Indexed: 12/28/2022]
Abstract
Diabetes mellitus contributes to macro- and microvascular complications, leading to adverse cardiovascular events. This study examined the effects of vitamin D deficiency on the vascular function and tissue oxidative status in the microcirculation of diabetic rats and to determine whether these effects can be reversed with calcitriol (active vitamin D metabolite) supplementation. Streptozotocin-induced diabetic rats were fed for 10 weeks with control diet (DC) or vitamin D-deficient diet without (DD) or with oral calcitriol supplementation (0.15 μg/kg) in the last four weeks (DDS) (10 rats each group). A nondiabetic rat group that received control diet was also included (NR). After 10 weeks, rats were sacrificed; mesenteric arterial rings with and without endothelium were studied using wire myograph. Western blotting of the mesenteric arterial tissue was performed to determine the protein expression of endothelial nitric oxide synthase (eNOS) enzyme. Antioxidant enzyme superoxide dismutase (SOD) activity and oxidative stress marker malondialdehyde (MDA) levels in the mesenteric arterial tissue were also measured. The DC group had significantly lower acetylcholine-induced relaxation and augmented endothelium-dependent contraction, with reduced eNOS expression, compared to NR rats. In mesenteric arteries of DD, acetylcholine-induced endothelium-dependent and sodium nitroprusside-induced endothelium-independent relaxations were lower than those in DC. Calcitriol supplementation in DDS restored endothelium-dependent relaxation. Mesenteric artery endothelium-dependent contraction of DD was greater than DC; it was not affected by calcitriol supplementation. The eNOS protein expression and SOD activity were significantly lower while MDA levels were greater in DD compared to DC; these effects were not observed in DDS that received calcitriol supplementation. In conclusion, vitamin D deficiency causes eNOS downregulation and oxidative stress, thereby impairing the vascular function and posing an additional risk for microvascular complications in diabetes. Calcitriol supplementation to diabetics with vitamin D deficiency could potentially be useful in the management of or as an adjunct to diabetes-related cardiovascular complications.
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Affiliation(s)
- Chee Lee Wee
- Department of Pharmacology, School of Medical Sciences, Universiti Sains Malaysia, 16150 Kota Bharu, Kelantan, Malaysia
| | - Siti Safiah Mokhtar
- Department of Pharmacology, School of Medical Sciences, Universiti Sains Malaysia, 16150 Kota Bharu, Kelantan, Malaysia
| | - Kirnpal Kaur Banga Singh
- Department of Microbiology and Parasitology, School of Medical Sciences, Universiti Sains Malaysia, 16150 Kota Bharu, Kelantan, Malaysia
| | - Sahran Yahaya
- Department of Orthopaedics, School of Medical Sciences, Universiti Sains Malaysia, 16150 Kota Bharu, Kelantan, Malaysia
| | - Susan Wai Sum Leung
- Department of Pharmacology and Pharmacy, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong, China
| | - Aida Hanum Ghulam Rasool
- Department of Pharmacology, School of Medical Sciences, Universiti Sains Malaysia, 16150 Kota Bharu, Kelantan, Malaysia
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24
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Öncül H, Alakus MF, Çağlayan M, Öncül FY, Dag U, Arac E. Changes in choroidal thickness after vitamin D supplementation in patients with vitamin D deficiency. Can J Ophthalmol 2020; 55:486-491. [DOI: 10.1016/j.jcjo.2020.06.014] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2020] [Revised: 05/27/2020] [Accepted: 06/09/2020] [Indexed: 01/06/2023]
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25
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Sheikh V, Mozaianimonfared A, Gharakhani M, Poorolajal J, Ph D. Effect of vitamin D supplementation versus placebo on essential hypertension in patients with vitamin D deficiency: a double-blind randomized clinical trial. J Clin Hypertens (Greenwich) 2020; 22:1867-1873. [PMID: 32951301 DOI: 10.1111/jch.13926] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2020] [Revised: 05/17/2020] [Accepted: 06/11/2020] [Indexed: 11/27/2022]
Abstract
Findings from randomized trials addressing the effect of vitamin D supplementation and blood pressure are inconsistent and have been the subject of recent debate. This study aimed to assess the effect of vitamin D supplementation on primary hypertension. This double-blind randomized clinical trial was conducted on patients aged 26-84 years with essential hypertension from March 2017 to April 2019. Patients with vitamin D insufficiency (serum vitamin D levels 20-30 ng/ml) or vitamin D deficiency (serum vitamin D levels <20 ng/ml) were enrolled in the study. Patients were randomly assigned to receive vitamin D supplementation or placebo. Systolic and diastolic blood pressure was measured before the intervention and one and two months thereafter. Of 208 patients enrolled, 171 patients remained for analysis. The effect of vitamin D supplementation on systolic blood pressure was statistically significant in the first and second months after the intervention (P=0.004 and P=0.024, respectively). The effect of vitamin D supplementation on diastolic blood pressure was statistically significant in the first month after the intervention (P=0.046), but not in the second month (P=0.885). No evidence of drug side effects was reported in the two groups. The results of this trial are suggestive of the potential benefits of vitamin D supplementation on blood pressure end points. Therefore, the use of vitamin D may be recommended as an adjuvant drug in the treatment of essential hypertension in patients with vitamin D deficiency because it is safe and well-tolerated by the patients and can significantly reduce the systolic and diastolic blood pressure. Trial registration: Iranian Registry of Clinical Trials registration number: IRCT201703129014N151.
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Affiliation(s)
- Vida Sheikh
- Department of Internal Medicine, School of Medicine, Hamadan University of Medical Sciences, Hamadan, Iran.,Clinical Research Development Unit of Shahid Beheshti Hospital, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Azadeh Mozaianimonfared
- Department of Cardiology, School of Medicine, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Mohsen Gharakhani
- Department of Cardiology, School of Medicine, Hamadan University of Medical Sciences, Hamadan, Iran
| | | | - Ph D
- Department of Epidemiology, School of Public Health, Hamadan University of Medical Sciences, Hamadan, Iran.,Modeling of Noncommunicable Diseases Research Center, Hamadan University of Medical Sciences, Hamadan, Iran
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26
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Sauder KA, Stamatoiu AV, Leshchinskaya E, Ringham BM, Glueck DH, Dabelea D. Cord Blood Vitamin D Levels and Early Childhood Blood Pressure: The Healthy Start Study. J Am Heart Assoc 2020; 8:e011485. [PMID: 31020895 PMCID: PMC6512116 DOI: 10.1161/jaha.118.011485] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Background Vitamin D deficiency is associated with cardiovascular events among adults, but it is unclear whether early-life vitamin D deficiency influences cardiovascular risk factors in children. Methods and Results We measured total and bioavailable 25-dihydroxyvitamin D (25OHD) in cord blood and in blood from 4- to 6-year-old children, and we assessed cardiovascular risk factors (blood pressure, arterial stiffness, body size, and adiposity) at 4 to 6 years. We tested for racial/ethnic differences in total and bioavailable 25OHD (n=715) and modeled the adjusted association between cord blood 25OHD and childhood cardiovascular risk factors (n=171). We observed racial/ethnic differences in total and bioavailable 25OHD levels in both cord and child blood samples (all P<0.05). Each 25-nmol/L increase in cord blood total 25OHD was associated with a 2.5-mm Hg (SE 0.8) decrease in systolic blood pressure ( P=0.002) and a 1.7-mm Hg (SE 0.6) decrease in diastolic blood pressure ( P=0.01), independent of childhood 25OHD levels, race/ethnicity, and other covariates. There was no association between cord blood total 25OHD and any other cardiovascular risk factors. Cord blood levels of bioavailable and free 25OHD were not associated with any cardiovascular risk factor in childhood. Conclusions In this diverse prebirth cohort, we observed lower systolic and diastolic blood pressure among children with higher total 25OHD levels at birth. Our findings suggest that intrauterine exposure to vitamin D may contribute to early-life programming of offspring blood pressure. Intervention studies are needed to determine whether increasing fetal vitamin D exposure can reduce the risk of elevated blood pressure in childhood.
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Affiliation(s)
- Katherine A Sauder
- 1 Department of Pediatrics University of Colorado School of Medicine Aurora CO.,2 Department of Epidemiology Colorado School of Public Health Aurora CO.,3 Lifecourse Epidemiology of Adiposity and Diabetes (LEAD) Center University of Colorado Aurora CO
| | - Alexandra V Stamatoiu
- 3 Lifecourse Epidemiology of Adiposity and Diabetes (LEAD) Center University of Colorado Aurora CO
| | - Elina Leshchinskaya
- 3 Lifecourse Epidemiology of Adiposity and Diabetes (LEAD) Center University of Colorado Aurora CO
| | - Brandy M Ringham
- 2 Department of Epidemiology Colorado School of Public Health Aurora CO.,3 Lifecourse Epidemiology of Adiposity and Diabetes (LEAD) Center University of Colorado Aurora CO
| | - Deborah H Glueck
- 1 Department of Pediatrics University of Colorado School of Medicine Aurora CO.,3 Lifecourse Epidemiology of Adiposity and Diabetes (LEAD) Center University of Colorado Aurora CO
| | - Dana Dabelea
- 1 Department of Pediatrics University of Colorado School of Medicine Aurora CO.,2 Department of Epidemiology Colorado School of Public Health Aurora CO.,3 Lifecourse Epidemiology of Adiposity and Diabetes (LEAD) Center University of Colorado Aurora CO
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27
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The synergistic effects of vitamin D and estradiol deficiency on metabolic syndrome in Chinese postmenopausal women. ACTA ACUST UNITED AC 2020; 26:1171-1177. [PMID: 31188285 DOI: 10.1097/gme.0000000000001370] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
OBJECTIVE Recent studies show that vitamin D (VitD) deficiency is associated with metabolic syndrome (MetS). Current evidence suggests that estrogen and VitD have similar physiological functions and potentially interact with bone health. We investigated the association between estradiol (E2) and 25-hydroxyvitamin-D [25(OH)D] with MetS and its components in Chinese postmenopausal women. METHODS In this cross-sectional study, we examined 616 postmenopausal women (aged 49-86 y) from southern China who were not taking estrogen and VitD/calcium supplements. At the end of data collection, serum E2 and 25(OH)D were measured for each participant. MetS was defined according to the 2006 International Diabetes Federation standard. RESULTS There was a positive correlation between 25(OH)D and E2. Higher 25(OH)D was associated with a favorable lipid profile, blood pressure, and glucose level. E2 was negatively associated with cholesterol, triglycerides, and blood pressure. The odds ratio for MetS was 2.19 (95% CI, 1.19-4.01, P value for trend=0.009) for deficient compared with sufficient women after multivariable adjustment. This association remained unchanged after further adjusting for E2 levels. After stratified analysis by VitD status, low E2 increased MetS risk in women with VitD deficiency (odds ratio = 3.49, 95% CI, 1.45-8.05 for the lowest vs the highest tertile). CONCLUSIONS These results suggest a synergistic role of VitD and E2 deficiency in MetS in Chinese postmenopausal women.
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28
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Role of the renin-angiotensin system in kidney development and programming of adult blood pressure. Clin Sci (Lond) 2020; 134:641-656. [PMID: 32219345 DOI: 10.1042/cs20190765] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2019] [Revised: 03/10/2020] [Accepted: 03/10/2020] [Indexed: 02/06/2023]
Abstract
Adverse events during fetal life such as insufficient protein intake or elevated transfer of glucocorticoid to the fetus may impact cardiovascular and metabolic health later in adult life and are associated with increased incidence of type 2 diabetes, ischemic heart disease and hypertension. Several adverse factors converge and suppress the fetal renin-angiotensin-aldosterone system (RAAS). The aim of this review is to summarize data on the significance of RAAS for kidney development and adult hypertension. Genetic inactivation of RAAS in rodents at any step from angiotensinogen to angiotensin II (ANGII) type 1 receptor (AT1) receptors or pharmacologic inhibition leads to complex developmental injury to the kidneys that has also been observed in human case reports. Deletion of the 'protective' arm of RAAS, angiotensin converting enzyme (ACE) 2 (ACE-2) and G-protein coupled receptor for Angiotensin 1-7 (Mas) receptor does not reproduce the AT1 phenotype. The changes comprise fewer glomeruli, thinner cortex, dilated tubules, thicker arterioles and arteries, lack of vascular bundles, papillary atrophy, shorter capillary length and volume in cortex and medulla. Altered activity of systemic and local regulators of fetal-perinatal RAAS such as vitamin D and cyclooxygenase (COX)/prostaglandins are associated with similar injuries. ANGII-AT1 interaction drives podocyte and epithelial cell formation of vascular growth factors, notably vascular endothelial growth factor (VEGF) and angiopoietins (Angpts), which support late stages of glomerular and cortical capillary growth and medullary vascular bundle formation and patterning. RAAS-induced injury is associated with lower glomerular filtration rate (GFR), lower renal plasma flow, kidney fibrosis, up-regulation of sodium transporters, impaired sodium excretion and salt-sensitive hypertension. The renal component and salt sensitivity of programmed hypertension may impact dietary counseling and choice of pharmacological intervention to treat hypertension.
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29
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Lumbers ER, Kandasamy Y, Delforce SJ, Boyce AC, Gibson KJ, Pringle KG. Programming of Renal Development and Chronic Disease in Adult Life. Front Physiol 2020; 11:757. [PMID: 32765290 PMCID: PMC7378775 DOI: 10.3389/fphys.2020.00757] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2020] [Accepted: 06/11/2020] [Indexed: 12/18/2022] Open
Abstract
Chronic kidney disease (CKD) can have an insidious onset because there is a gradual decline in nephron number throughout life. There may be no overt symptoms of renal dysfunction until about two thirds or more of the nephrons have been destroyed and glomerular filtration rate (GFR) falls to below 25% of normal (often in mid-late life) (Martinez-Maldonaldo et al., 1992). Once End Stage Renal Disease (ESRD) has been reached, survival depends on renal replacement therapy (RRT). CKD causes hypertension and cardiovascular disease; and hypertension causes CKD. Albuminuria is also a risk factor for cardiovascular disease. The age of onset of CKD is partly determined during fetal life. This review describes the mechanisms underlying the development of CKD in adult life that results from abnormal renal development caused by an adverse intrauterine environment. The basis of this form of CKD is thought to be mainly due to a reduction in the number of nephrons formed in utero which impacts on the age dependent decline in glomerular function. Factors that affect the risk of reduced nephron formation during intrauterine life are discussed and include maternal nutrition (malnutrition and obesity, micronutrients), smoking and alcohol, use of drugs that block the maternal renin-angiotensin system, glucocorticoid excess and maternal renal dysfunction and prematurity. Since CKD, hypertension and cardiovascular disease add to the disease burden in the community we recommend that kidney size at birth should be recorded using ultrasound and those individuals who are born premature or who have small kidneys at this time should be monitored regularly by determining GFR and albumin:creatinine clearance ratio. Furthermore, public health measures aimed at limiting the prevalence of obesity and diabetes mellitus as well as providing advice on limiting the amount of protein ingested during a single meal, because they are all associated with increased glomerular hyperfiltration and subsequent glomerulosclerosis would be beneficial.
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Affiliation(s)
- Eugenie R Lumbers
- School of Biomedical Sciences and Pharmacy, Faculty of Health and Medicine, The University of Newcastle, Callaghan, NSW, Australia.,Hunter Medical Research Institute, Newcastle, NSW, Australia
| | - Yoga Kandasamy
- School of Biomedical Sciences and Pharmacy, Faculty of Health and Medicine, The University of Newcastle, Callaghan, NSW, Australia.,Hunter Medical Research Institute, Newcastle, NSW, Australia.,Department of Neonatology, Townsville University Hospital, Douglas, QLD, Australia
| | - Sarah J Delforce
- School of Biomedical Sciences and Pharmacy, Faculty of Health and Medicine, The University of Newcastle, Callaghan, NSW, Australia.,Hunter Medical Research Institute, Newcastle, NSW, Australia
| | - Amanda C Boyce
- School of Medical Sciences, University of New South Wales, Sydney, NSW, Australia
| | - Karen J Gibson
- School of Medical Sciences, University of New South Wales, Sydney, NSW, Australia
| | - Kirsty G Pringle
- School of Biomedical Sciences and Pharmacy, Faculty of Health and Medicine, The University of Newcastle, Callaghan, NSW, Australia.,Hunter Medical Research Institute, Newcastle, NSW, Australia
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30
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Abstract
PURPOSE OF REVIEW Vitamin D and its derivatives are biologically active fat-soluble steroid hormones, which are transcription factors for numerous genes. The results of several observational studies suggest the relationship between plasma concentration of vitamin D and the risk of arterial hypertension, as well as between the intensity of insolation and the risk of arterial hypertension. RECENT FINDINGS Based on the results of the abovementioned studies, it was hypothesized that vitamin D is characterized by the antihypertensive properties. Animal experiments have shown that vitamin D reduces activity of the renin-angiotensin-aldosterone system and improves vasorelaxation of blood vessels. Results of clinical studies did not confirm these results. Moreover in interventional clinical trials, it was documented that supplementation of vitamin D did not reduce blood pressure. The influence of exposure to sunshine at different wave lengths on blood pressure was examined in clinical studies and it was found that ultraviolet A radiation (UVA) lead to the release of nitric oxide from the skin. This might explain lower level of blood pressure in subjects from the regions with a higher rate of insolation. The aim of this review is to summarize current knowledge concerning the relationship between vitamin D and arterial hypertension based on both observational and interventional studies.
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Affiliation(s)
- Marcin Adamczak
- Department of Nephrology, Transplantation and Internal Medicine, Medical University of Silesia, Francuska 20-24, 40-027, Katowice, Poland.
| | - Stanisław Surma
- Department of Nephrology, Transplantation and Internal Medicine, Medical University of Silesia, Francuska 20-24, 40-027, Katowice, Poland
| | - Andrzej Więcek
- Department of Nephrology, Transplantation and Internal Medicine, Medical University of Silesia, Francuska 20-24, 40-027, Katowice, Poland
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31
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Early-Life Programming and Reprogramming of Adult Kidney Disease and Hypertension: The Interplay between Maternal Nutrition and Oxidative Stress. Int J Mol Sci 2020; 21:ijms21103572. [PMID: 32443635 PMCID: PMC7278949 DOI: 10.3390/ijms21103572] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2020] [Revised: 05/12/2020] [Accepted: 05/18/2020] [Indexed: 02/06/2023] Open
Abstract
Kidney disease and hypertension both have attained the status of a global pandemic. Altered renal programming resulting in kidney disease and hypertension can begin in utero. Maternal suboptimal nutrition and oxidative stress have important implications in renal programming, while specific antioxidant nutrient supplementations may serve as reprogramming strategies to prevent kidney disease and hypertension of developmental origins. This review aims to summarize current knowledge on the interplay of maternal nutrition and oxidative stress in response to early-life insults and its impact on developmental programming of kidney disease and hypertension, covering two aspects. Firstly, we present the evidence from animal models supporting the implication of oxidative stress on adult kidney disease and hypertension programmed by suboptimal maternal nutrition. In the second part, we document data on specific antioxidant nutrients as reprogramming strategies to protect adult offspring against kidney disease and hypertension from developmental origins. Research into the prevention of kidney disease and hypertension that begin early in life will have profound implications for future health.
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32
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Deluque AL, de Almeida LF, Francescato HDC, da Silva CGA, Costa RS, Antunes-Rodrigues J, Coimbra TM. Effect of Calcitriol on the Renal Microvasculature Differentiation Disturbances Induced by AT 1 Blockade During Nephrogenesis in Rats. Front Med (Lausanne) 2020; 7:23. [PMID: 32118008 PMCID: PMC7016013 DOI: 10.3389/fmed.2020.00023] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2019] [Accepted: 01/15/2020] [Indexed: 12/11/2022] Open
Abstract
Alterations in the renal vasculature during fetal programming can cause disturbances in renal structure and function that persist into adulthood. Calcitriol can affect cellular differentiation and proliferation, and promote endothelial cell maintenance, each of which is a key event in nephrogenesis. Calcitriol is a negative endocrine regulator of the renin gene. Rats exposed to renin-angiotensin system (RAS) antagonists during lactation have been shown to develop renal disorders, which demonstrated that the RAS may play an important role in mammalian kidney development. We evaluated the effects of calcitriol administration on losartan [angiotensin II receptor antagonist (ANGII), AT1]-induced changes in renal differentiation in rats during lactation. Rats treated with losartan showed alterations in renal function and structure that persisted into adulthood. These disruptions included hydronephrosis, papillary atrophy, endothelial dysfunction, and aberrant endothelial structure. These changes were mitigated by treatment with calcitriol. The results of our study showed that animals exposed to AT1 blockade during lactation exhibited altered renal microvasculature differentiation in adulthood that was attenuated by treatment with calcitriol.
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Affiliation(s)
- Amanda L Deluque
- Laboratory of Renal Physiology, Department of Physiology, Ribeirão Preto Medical School, University of São Paulo, São Paulo, Brazil
| | - Lucas F de Almeida
- Laboratory of Renal Physiology, Department of Physiology, Ribeirão Preto Medical School, University of São Paulo, São Paulo, Brazil
| | - Heloísa D C Francescato
- Laboratory of Renal Physiology, Department of Physiology, Ribeirão Preto Medical School, University of São Paulo, São Paulo, Brazil
| | - Cleonice G A da Silva
- Laboratory of Renal Physiology, Department of Physiology, Ribeirão Preto Medical School, University of São Paulo, São Paulo, Brazil
| | - Roberto S Costa
- Laboratory of Renal Pathology, Division of Nephrology, Department of Internal Medicine, Ribeirão Preto Medical School, University of São Paulo, São Paulo, Brazil
| | - José Antunes-Rodrigues
- Laboratory of Neuroendocrinology, Department of Physiology, Ribeirão Preto Medical School, University of São Paulo, São Paulo, Brazil
| | - Terezila M Coimbra
- Laboratory of Renal Physiology, Department of Physiology, Ribeirão Preto Medical School, University of São Paulo, São Paulo, Brazil
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Canguven O, Al Malki AH. Vitamin D and Male Erectile Function: An Updated Review. World J Mens Health 2020; 39:31-37. [PMID: 32009309 PMCID: PMC7752519 DOI: 10.5534/wjmh.190151] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2019] [Revised: 12/17/2019] [Accepted: 12/24/2019] [Indexed: 12/30/2022] Open
Abstract
Literature support that vitamin-D is important for different systems of the human body including, but not limited to endocrine and immune systems, vasculature and endothelial function of the body. Male erectile function depends on many factors and can be perceived as a health indicator of the body. Epidemiological data have shown that vitamin-D deficiency is also associated with erectile dysfunction. In this review, our aim is to interpret the mechanisms by which vitamin-D might regulate anatomy and physiology of penis. Evidence showed that vitamin-D is needed for an adequate erectile function. Briefly, vitamin-D is crucial for a better healthy body and sexual activity.
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Affiliation(s)
- Onder Canguven
- Department of Urology, Hamad General Hospital, Hamad Medical Corporation, Doha, Qatar.,Department of Urology, Weill Cornell Medicine, New York, NY, USA.
| | - Ahmad H Al Malki
- Department of Urology, Hamad General Hospital, Hamad Medical Corporation, Doha, Qatar.,Department of Urology, Qatar University, Doha, Qatar
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Abstract
PURPOSE Patients with vitamin D deficiency (VDD) have potential to have increased cardiovascular morbidity and mortality. In this study, we aimed to discover the findings of early atherosclerosis in patients with VDD by measuring carotid intima-media thickness (CIMT) and epicardial fat thickness (EFT). MATERIALS AND METHODS The study population includes 52 patients with VDD (n = 30 [57% female], mean ± SD age 54.28 ± 8.77 years, mean ± SD serum 25-hydroxyvitamin D (25 [OH] D) 11 ± 2.4 ng/mL) and 82 participants for control group (n = 52 [63.4% female], mean ± SD age 56.40 ± 7.90 years, mean ± SD serum (25 [OH] D) 53 ± 4.2 ng/mL) who have no cardiovascular disease. Carotid intima-media thickness was assessed by using ultrasonography, and EFT was measured on the free wall of the right ventricle at end diastole from the parasternal long-axis views by standard transthoracic 2-dimensional echocardiography. RESULTS Both CIMT and EFT were significantly higher in patients with VDD compared with controls (0.75 ± 0.16 mm vs 0.68 ± 0.21 mm, P < 0.05, and 0.66 ± 0.15 cm vs 0.56 ± 0.15 cm, P < 0.001). CONCLUSIONS Patients with VDD seem to have increased CIMT and EFT, which are predictors of atherosclerotic process. Further studies are needed to confirm these results.
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35
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Grundmann SM, Schutkowski A, Schreier B, Rabe S, König B, Gekle M, Stangl GI. Vitamin D Receptor Deficiency Does Not Affect Blood Pressure and Heart Function. Front Physiol 2019; 10:1118. [PMID: 31555149 PMCID: PMC6727788 DOI: 10.3389/fphys.2019.01118] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2019] [Accepted: 08/13/2019] [Indexed: 01/07/2023] Open
Abstract
Vitamin D is thought to play a role in blood pressure regulation, which in turn can influence cardiovascular risk. Several meta-analyses of cohort studies found low serum levels of 25-hydroxyvitamin D to be associated with increased blood pressure or increased cardiovascular morbidity and mortality in the general population. Active vitamin D mediates its function via the vitamin D receptor (Vdr), which is a ligand-activated transcription factor. A suitable model to examine the causal role of vitamin D in blood pressure regulation and heart function is the Vdr knockout (Vdr–/–) mouse. To elucidate the role of vitamin D on blood pressure, heart function, and cardiac myocyte size, we conducted a long-term study using Vdr–/– mice and well-defined diets. Group 1 comprised Vdr–/– mice that received a high-calcium, high-phosphorus rescue diet to prevent hypocalcemia and a rickets phenotype. Groups 2 and 3 included Vdr+/+ mice that were fed either the rescue diet or a control diet containing normal amounts of these minerals. As Vdr is a nuclear factor that regulates transcription, we analyzed the renal mRNA expression and serum concentration of renin and found that the Vdr–/– group had an almost 50% higher renin mRNA expression in the kidney compared to both groups of Vdr+/+ mice. Additionally, serum concentration of renin in Vdr–/– mice was significantly higher than that of Vdr+/+ mice that received the rescue or control diet (+ 17%,+ 32%; P < 0.05). In contrast, renin activity was lower in Vdr–/– mice than in both groups of Vdr+/+ mice (P < 0.05). However, blood pressure, heart rate, cardiac myocyte sizes, and the expression of renal renin receptor, hepatic angiotensinogen and angiotensin II receptor, type 1, in kidney, liver and heart, did not differ between the three groups of mice. Additionally, data from transthoracic echocardiography did not indicate the role of Vdr on heart function, as the left ventricular ejection fraction, fractional shortening, and velocity of blood flow were comparable between the three groups. To conclude, the roles of Vdr and therefore most probably of vitamin D, in blood pressure regulation and heart function, were not confirmed by our findings.
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Affiliation(s)
- Sarah M Grundmann
- Institute of Agricultural and Nutritional Sciences, Martin Luther University Halle-Wittenberg, Halle (Saale), Germany.,Competence Cluster for Nutrition and Cardiovascular Health (nutriCARD), Halle-Jena-Leipzig, Leipzig, Germany
| | - Alexandra Schutkowski
- Institute of Agricultural and Nutritional Sciences, Martin Luther University Halle-Wittenberg, Halle (Saale), Germany
| | - Barbara Schreier
- Competence Cluster for Nutrition and Cardiovascular Health (nutriCARD), Halle-Jena-Leipzig, Leipzig, Germany.,Julius Bernstein Institute of Physiology, Faculty of Medicine, Martin Luther University Halle-Wittenberg, Halle (Saale), Germany
| | - Sindy Rabe
- Julius Bernstein Institute of Physiology, Faculty of Medicine, Martin Luther University Halle-Wittenberg, Halle (Saale), Germany
| | - Bettina König
- Institute of Agricultural and Nutritional Sciences, Martin Luther University Halle-Wittenberg, Halle (Saale), Germany.,Competence Cluster for Nutrition and Cardiovascular Health (nutriCARD), Halle-Jena-Leipzig, Leipzig, Germany
| | - Michael Gekle
- Competence Cluster for Nutrition and Cardiovascular Health (nutriCARD), Halle-Jena-Leipzig, Leipzig, Germany.,Julius Bernstein Institute of Physiology, Faculty of Medicine, Martin Luther University Halle-Wittenberg, Halle (Saale), Germany
| | - Gabriele I Stangl
- Institute of Agricultural and Nutritional Sciences, Martin Luther University Halle-Wittenberg, Halle (Saale), Germany.,Competence Cluster for Nutrition and Cardiovascular Health (nutriCARD), Halle-Jena-Leipzig, Leipzig, Germany
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Ferreira de Almeida L, Della Coletta Francescato H, Antunes-Rodrigues J, Jose Albuquerque de Paula F, Giovanni Alves da Silva C, Silva Costa R, Machado Coimbra T. Imbalance of Pro- and Anti-Angiogenic Factors Due to Maternal Vitamin D Deficiency Causes Renal Microvasculature Alterations Affecting the Adult Kidney Function. Nutrients 2019; 11:nu11081929. [PMID: 31426337 PMCID: PMC6723450 DOI: 10.3390/nu11081929] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2019] [Revised: 08/13/2019] [Accepted: 08/14/2019] [Indexed: 12/22/2022] Open
Abstract
Vitamin D (Vit.D) is involved in cellular proliferation and differentiation and regulation of the renin gene, which are important aspects of nephrogenesis and quiescence of renal health in adulthood. This study evaluated the angiogenic mechanisms involved in long term renal disturbances induced by Vit.D deficiency persistent in adulthood in rats. First-generation male Hannover offspring from mothers fed either a control diet (control group, CG) or Vit.D-deficient diet (Vit.D- group) were evaluated. Systolic blood pressure (SBP) was measured monthly during the first 6 months after birth, and blood and urine samples were collected to evaluate renal function. Nitric oxide (NO), angiotensin II (ANGII), parathyroid hormone (PTH), calcium, and Vit.D were measured. The kidneys were then removed for morphometric, NO, immunohistochemical, and Western blot studies. We evaluated the expression of vascular growth factor (VEGF) and angiopoietins 1 and 2 and their receptors since this intrinsic renal axis is responsible for endothelial quiescence. Compared to CG, the Vit.D- group presented higher SBP, ANG II plasma levels, renin expression, and AT1 receptor expression levels. Capillary rarefaction was observed, as well as an imbalance between pro- and anti-angiogenic factors. Collectively, the present findings support the role of Vit.D for maintaining the integrity of renal microcirculation.
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Affiliation(s)
- Lucas Ferreira de Almeida
- Department of Physiology of Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, São Paulo 14049-900, Brazil.
| | | | - Jose Antunes-Rodrigues
- Department of Physiology of Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, São Paulo 14049-900, Brazil
| | | | | | - Roberto Silva Costa
- Department of Pathology of Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, São Paulo 14049-900, Brazil
| | - Terezila Machado Coimbra
- Department of Physiology of Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, São Paulo 14049-900, Brazil
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Nizami HL, Katare P, Prabhakar P, Kumar Y, Arava SK, Chakraborty P, Maulik SK, Banerjee SK. Vitamin D Deficiency in Rats Causes Cardiac Dysfunction by Inducing Myocardial Insulin Resistance. Mol Nutr Food Res 2019; 63:e1900109. [PMID: 31095894 DOI: 10.1002/mnfr.201900109] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2019] [Revised: 05/09/2019] [Indexed: 12/12/2022]
Abstract
SCOPE Cause-effect relationship between vitamin D deficiency and cardiometabolic abnormalities remains undefined. The aim is to investigate the role of vitamin D deficiency in cardiac failure, through possible involvement in myocardial insulin signaling. METHODS AND RESULTS Male SD rats (n = 6) are fed a normal diet (Con), vitamin D-deficient diet [Con(-)], or high-fat, high fructose diet (HFHFrD) for 20 weeks. Cardiac hypertrophy and fetal gene program are confirmed in Con(-) group. Cardiac dysfunction is assessed by echocardiography. Elevated renin, TGF-β and collagen-1α mRNAs, p-ERK1/2, and perivascular fibrosis indicate cardiac remodeling in Con(-) group. Increased serum insulin, triglycerides, and blood pressure, and decreased glucose tolerance and HDL cholesterol are observed in Con(-) rats. Decreased p-Akt/Akt, GLUT4, SOD2, and catalase, and increased NF-κB, TNF-α, and IL-6 are observed in Con(-) hearts. In H9c2 cells, calcitriol attenuates palmitate-induced insulin resistance. VDR-silenced H9c2 cells show reduced Akt phosphorylation, GLUT4 translocation, and 2-NBDG uptake. Findings in Con(-) and HFHFrD groups are comparable. CONCLUSION Vitamin D deficiency in rats mimic high-fat-, high-fructose-induced metabolic syndrome and cardiac dysfunction. This study demonstrates that vitamin D deficiency is an independent risk factor for heart failure, at least in part, through induction of myocardial insulin resistance.
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Affiliation(s)
- Hina Lateef Nizami
- Drug Discovery Research Center, Translational Health Science and Technology Institute, Faridabad, 121001, India
| | - Parmeshwar Katare
- Drug Discovery Research Center, Translational Health Science and Technology Institute, Faridabad, 121001, India
| | - Pankaj Prabhakar
- Department of Pharmacology, All India Institute of Medical Sciences, New Delhi, 110029, India
| | - Yashwant Kumar
- Drug Discovery Research Center, Translational Health Science and Technology Institute, Faridabad, 121001, India
| | - Sudheer Kumar Arava
- Department of Pathology, All India Institute of Medical Sciences, New Delhi, 110029, India
| | - Praloy Chakraborty
- Department of Cardiology, VMMC and Safdarjung Hospital, New Delhi, 110029, India
| | - Subir Kumar Maulik
- Department of Pharmacology, All India Institute of Medical Sciences, New Delhi, 110029, India
| | - Sanjay Kumar Banerjee
- Drug Discovery Research Center, Translational Health Science and Technology Institute, Faridabad, 121001, India
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Vatakencherry RMJ, Saraswathy L. Association between vitamin D and hypertension in people coming for health check up to a tertiary care centre in South India. J Family Med Prim Care 2019; 8:2061-2067. [PMID: 31334180 PMCID: PMC6618207 DOI: 10.4103/jfmpc.jfmpc_236_19] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2019] [Revised: 03/20/2019] [Accepted: 04/09/2019] [Indexed: 12/13/2022] Open
Abstract
INTRODUCTION Vitamin D has many effects apart from its role in calcium metabolism and bone health. Vitamin D is derived from endogenous ultraviolet-B induced vitamin D synthesis in the skin, and the current high prevalence of vitamin D deficiency in India, can be attributed to lifestyle related low sunlight exposure. Identification of the vitamin D receptor (VDR) in almost all human cells, suggests a role in extra skeletal diseases. Studies have shown that vitamin D deficiency is an independent risk factor for hypertension. AIM To evaluate the association between vitamin D and hypertension in people coming for health check up to a tertiary care center in South India. MATERIALS AND METHODS Study was carried out as a cross sectional study in a tertiary care hospital in South India. Participants (520) were both males and females (337 males and 183 females), between the age group of 20-60 years attending the comprehensive health check up clinic of our hospital. STATISTICAL ANALYSIS Statistical analysis was done using IBM SPSS statistics 20.0. RESULTS Severe vitamin D deficiency was highly prevalent in people with hypertension than in people without hypertension (P value <0.001). CONCLUSION Since India is a tropical country, till recently it was believed that vitamin D deficiency and its ill effects are uncommon. But it was found that, vitamin D deficiency was highly prevalent in people with hypertension in South India, emphasizing the need of early vitamin D supplementation. Therefore, to reduce cardiovascular morbidity, early identification of vitamin D deficiency and appropriate vitamin D supplementation may be of primary importance in population, especially like ours, having high prevalence.
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Affiliation(s)
- Rose Mary J. Vatakencherry
- Department of Physiology, Amrita School of Medicine, Amrita Institute of Medical Sciences, Amrita Vishwa Vidyapeetham University, Kochi, Kerala
| | - L Saraswathy
- Department of Physiology, Amrita School of Medicine, Amrita Institute of Medical Sciences, Amrita Vishwa Vidyapeetham University, Kochi, Kerala
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Zuo K, Li J, Xu Q, Hu C, Gao Y, Chen M, Hu R, Liu Y, Chi H, Yin Q, Cao Y, Wang P, Qin Y, Liu X, Zhong J, Cai J, Li K, Yang X. Dysbiotic gut microbes may contribute to hypertension by limiting vitamin D production. Clin Cardiol 2019; 42:710-719. [PMID: 31099039 PMCID: PMC6672427 DOI: 10.1002/clc.23195] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/06/2019] [Revised: 05/14/2019] [Accepted: 05/16/2019] [Indexed: 02/06/2023] Open
Abstract
Background Accumulating studies have suggested that gut microbiota (GM) dysbiosis and vitamin D3 deficiency each play an important role during the progression of hypertension (HTN). However, few studies have characterized the underlying interaction between GM shift and vitamin D3 deficiency in HTN patients. Hypothesis This study aimed to evaluate the possible crosstalk between GM dysbiosis and vitamin D deficiency in the pathogenesis of HTN. Methods In a cohort of 34 HTN patients and 15 healthy controls, we analyzed the fecal microbiota products, GM composition, and the interaction between GM and vitamin D3. Results Vitamin D3 was significantly decreased in feces of HTN patients (P = .006, vs controls) and was correlated with altered GM, including decreased Shannon index (R2 = 0.1296, P = .0111) and Pielou evenness (R2 = 0.1509, P = .0058). Moreover, vitamin D3 positively correlated with HTN‐reduced bacterial genera, including Subdoligranulum (R2 = 0.181, P = .0023), Ruminiclostridium (R2 = 0.1217, P = .014), Intestinimonas (R2 = 0.2036, P = .0011), Pseudoflavonifractor (R2 = 0.1014, P = .0257), Paenibacillus (R2 = 0.089, P = .0373), and Marvinbryantia (R2 = 0.08173, P = .0464). Partial least squares structural equation modeling showed that 27.7% of the total effect of gut microbiome on HTN was mediated by limiting vitamin D production. Finally, receiver operating characteristic curve analysis revealed the predictive capacity of differential gut microbiome signatures and decreased vitamin D3 to distinguish HTN patients (AUC = 0.749, P = .006). Conclusions Our findings suggest that the GM dysbiosis contributing to the development of HTN might be partially mediated by vitamin D3 deficiency. Future studies involving the underlying mechanism and intervention strategies targeting microbiome composition and vitamin D3 to counteract the progression of HTN are warranted.
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Affiliation(s)
- Kun Zuo
- Heart Center & Beijing Key Laboratory of Hypertension, Beijing Chaoyang Hospital, Capital Medical University, Beijing, China
| | - Jing Li
- Heart Center & Beijing Key Laboratory of Hypertension, Beijing Chaoyang Hospital, Capital Medical University, Beijing, China
| | - Qiuhua Xu
- Department of Endocrinology, Beijing Chaoyang Hospital, Capital Medical University, Beijing, China
| | - Chaowei Hu
- The Key Laboratory of Upper Airway Dysfunction-related Cardiovascular Diseases, Beijing An Zhen Hospital, Capital Medical University, Beijing Institute of Heart, Lung and Blood Vessel Diseases, Beijing, China
| | - Yuanfeng Gao
- Heart Center & Beijing Key Laboratory of Hypertension, Beijing Chaoyang Hospital, Capital Medical University, Beijing, China
| | - Mulei Chen
- Heart Center & Beijing Key Laboratory of Hypertension, Beijing Chaoyang Hospital, Capital Medical University, Beijing, China
| | - Roumu Hu
- Heart Center & Beijing Key Laboratory of Hypertension, Beijing Chaoyang Hospital, Capital Medical University, Beijing, China
| | - Ye Liu
- Heart Center & Beijing Key Laboratory of Hypertension, Beijing Chaoyang Hospital, Capital Medical University, Beijing, China
| | - Hongjie Chi
- Heart Center & Beijing Key Laboratory of Hypertension, Beijing Chaoyang Hospital, Capital Medical University, Beijing, China
| | - Qing Yin
- Department of Endocrinology, Beijing Chaoyang Hospital, Capital Medical University, Beijing, China
| | - Yudan Cao
- Department of Endocrinology, Beijing Chaoyang Hospital, Capital Medical University, Beijing, China
| | - Pan Wang
- Heart Center & Beijing Key Laboratory of Hypertension, Beijing Chaoyang Hospital, Capital Medical University, Beijing, China
| | - Yanwen Qin
- The Key Laboratory of Upper Airway Dysfunction-related Cardiovascular Diseases, Beijing An Zhen Hospital, Capital Medical University, Beijing Institute of Heart, Lung and Blood Vessel Diseases, Beijing, China
| | - Xiaoyan Liu
- Medical Research Center, Beijing Chaoyang Hospital, Capital Medical University, Beijing, China
| | - Jiuchang Zhong
- Heart Center & Beijing Key Laboratory of Hypertension, Beijing Chaoyang Hospital, Capital Medical University, Beijing, China
| | - Jun Cai
- Hypertension Center, Fuwai Hospital, State Key Laboratory of Cardiovascular Disease of China, National Center for Cardiovascular Diseases of China, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Kuibao Li
- Heart Center & Beijing Key Laboratory of Hypertension, Beijing Chaoyang Hospital, Capital Medical University, Beijing, China
| | - Xinchun Yang
- Heart Center & Beijing Key Laboratory of Hypertension, Beijing Chaoyang Hospital, Capital Medical University, Beijing, China
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Pál É, Hadjadj L, Fontányi Z, Monori-Kiss A, Lippai N, Horváth EM, Magyar A, Horváth E, Monos E, Nádasy GL, Benyó Z, Várbíró S. Gender, hyperandrogenism and vitamin D deficiency related functional and morphological alterations of rat cerebral arteries. PLoS One 2019; 14:e0216951. [PMID: 31083690 PMCID: PMC6513066 DOI: 10.1371/journal.pone.0216951] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2019] [Accepted: 05/01/2019] [Indexed: 12/26/2022] Open
Abstract
Hyperandrogenism is a risk factor of cerebrovascular diseases as androgens can alter markedly the regulation of cerebrovascular tone. We examined the combined impact of androgen excess and vitamin D deficiency (VDD), a common co-morbidity in hyperandrogenic disorders, on remodeling and testosterone-induced vascular responses of anterior cerebral arteries (ACA) in order to evaluate the interplay between androgens and VDD in the cerebral vasculature. Male and female Wistar rats were either fed with vitamin D deficient or vitamin D supplemented diet. Half of the female animals from both groups received transdermal testosterone treatment. After 8 weeks, vessel lumen, wall thickness and testosterone-induced vascular tone of isolated ACA were determined using pressure microangiometry and histological examination. Androgen receptor protein expression in the wall of cerebral arteries was examined using immunohistochemistry. In female rats only combined VDD and testosterone treatment decreased the lumen and increased the wall thickness of ACA. In males, however VDD by itself was able to decrease the lumen and increase the wall thickness. Vascular reactivity showed similar alterations: in females, testosterone constricted the ACA only after combined VDD and hyperandrogenism, whereas in males VDD resulted in increased testosterone-induced contractions in spite of decreased androgen receptor expression. In conclusion, a marked interplay between hyperandrogenism and VDD results in inward remodeling and enhanced testosterone-induced constrictions of cerebral arteries, which might compromise the cerebral circulation and thus, increase the risk of stroke in the long term. In addition, the early cerebrovascular manifestation of VDD appears to require androgen excess and thus, depends on gender.
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Affiliation(s)
- Éva Pál
- Institute of Clinical Experimental Research, Semmelweis University, Budapest, Hungary
- * E-mail:
| | - Leila Hadjadj
- Institute of Clinical Experimental Research, Semmelweis University, Budapest, Hungary
| | - Zoltán Fontányi
- 2nd Department of Obstetrics and Gynecology, Semmelweis University, Budapest, Hungary
| | - Anna Monori-Kiss
- Institute of Clinical Experimental Research, Semmelweis University, Budapest, Hungary
| | - Norbert Lippai
- Department of Pathology, Jász-Nagykun-Szolnok County Hetényi Géza Hospital, Szolnok, Hungary
| | | | - Attila Magyar
- Department of Anatomy, Histology and Embryology, Semmelweis University, Budapest, Hungary
| | - Eszter Horváth
- 2nd Department of Obstetrics and Gynecology, Semmelweis University, Budapest, Hungary
| | - Emil Monos
- Institute of Clinical Experimental Research, Semmelweis University, Budapest, Hungary
| | - György L. Nádasy
- Department of Physiology, Semmelweis University, Budapest, Hungary
| | - Zoltán Benyó
- Institute of Clinical Experimental Research, Semmelweis University, Budapest, Hungary
| | - Szabolcs Várbíró
- 2nd Department of Obstetrics and Gynecology, Semmelweis University, Budapest, Hungary
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Hsu CN, Tain YL. The Good, the Bad, and the Ugly of Pregnancy Nutrients and Developmental Programming of Adult Disease. Nutrients 2019; 11:nu11040894. [PMID: 31010060 PMCID: PMC6520975 DOI: 10.3390/nu11040894] [Citation(s) in RCA: 62] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2019] [Revised: 04/16/2019] [Accepted: 04/17/2019] [Indexed: 12/14/2022] Open
Abstract
Maternal nutrition plays a decisive role in developmental programming of many non-communicable diseases (NCDs). A variety of nutritional insults during gestation can cause programming and contribute to the development of adult-onset diseases. Nutritional interventions during pregnancy may serve as reprogramming strategies to reverse programming processes and prevent NCDs. In this review, firstly we summarize epidemiological evidence for nutritional programming of human disease. It will also discuss evidence from animal models, for the common mechanisms underlying nutritional programming, and potential nutritional interventions used as reprogramming strategies.
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Affiliation(s)
- Chien-Ning Hsu
- Department of Pharmacy, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 833, Taiwan.
- School of Pharmacy, Kaohsiung Medical University, Kaohsiung 807, Taiwan.
| | - You-Lin Tain
- Department of Pediatrics, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung 833, Taiwan.
- Institute for Translational Research in Biomedicine, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung 833, Taiwan.
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Geometric, elastic and contractile-relaxation changes in coronary arterioles induced by Vitamin D deficiency in normal and hyperandrogenic female rats. Microvasc Res 2019; 122:78-84. [DOI: 10.1016/j.mvr.2018.11.011] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2018] [Revised: 11/27/2018] [Accepted: 11/27/2018] [Indexed: 12/30/2022]
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Renal developmental disturbances and their long-term consequences in female pups from vitamin D-deficient mothers: involved mechanisms. J Dev Orig Health Dis 2019; 10:497-501. [DOI: 10.1017/s2040174418000909] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
AbstractThe mechanisms involved in kidney disturbances during development, induced by vitamin D3 deficiency in female rats, that persist into adulthood were evaluated in this study. Female offspring from mothers fed normal (control group, n=8) or vitamin D-deficient (Vit.D-, n=10) diets were used. Three-month-old rats had their systolic blood pressure (SBP) measured and their blood and urine sampled to quantify vitamin D3 (Vit.D3), creatinine, Na+, Ca+2 and angiotensin II (ANGII) levels. The kidneys were then removed for nitric oxide (NO) quantification and immunohistochemical studies. Vit.D- pups showed higher SBP and plasma ANGII levels in adulthood (P<0.05) as well as decreased urine osmolality associated with increases in urinary volume (P<0.05). Decreased expression of JG12 (renal cortex and glomeruli) and synaptopodin (glomeruli) as well as reduced renal NO was also observed (P<0.05). These findings showed that renal disturbances in development in pups from Vit.D- mothers observed in adulthood may be related to the development of angiogenesis, NO and ANGII alterations.
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de Almeida LF, Coimbra TM. When Less or More Isn't Enough: Renal Maldevelopment Arising From Disequilibrium in the Renin-Angiotensin System. Front Pediatr 2019; 7:296. [PMID: 31380328 PMCID: PMC6650528 DOI: 10.3389/fped.2019.00296] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/20/2019] [Accepted: 07/04/2019] [Indexed: 12/11/2022] Open
Abstract
Environmental and nutritional factors during fetal and neonatal life can have long-lasting effects on renal functions and physiology and susceptibility to kidney disease in adulthood. All components of the renin-angiotensin system (RAS) are highly expressed in the kidneys during the period of renal development. The RAS plays a central role in the regulation of various cellular growth factors and stimulates adhesion molecules and cellular migration. The use of antagonists of this system during fetal development represents a major risk factor for hypertension, renal vascular dysfunction, and kidney medulla atrophy in adulthood. The inappropriate activation of the RAS by vitamin D (VitD) deficiency has been studied in recent years. Clinical and experimental studies have demonstrated an inverse relationship between circulating VitD levels and blood pressure, plasma and renin activity, and an increase in angiotensin II and the receptor AT1. These data raise new questions about the importance of the integrity of the RAS during development since RAS pathway inhibitors and VitD deficiency have opposing functions. This is a literature review on the possible mechanisms by which antagonists of the RAS and VitD deficiency during fetal development provoke disturbances in kidney structure and function. Potential mechanisms are presented and discussed, and the possible pathways by which an imbalanced maternal RAS may negatively impact fetal development and have consequences in adulthood are also explored.
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Affiliation(s)
- Lucas Ferreira de Almeida
- Department of Physiology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil
| | - Terezila Machado Coimbra
- Department of Physiology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil
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Hsu CN, Tain YL. The Double-Edged Sword Effects of Maternal Nutrition in the Developmental Programming of Hypertension. Nutrients 2018; 10:nu10121917. [PMID: 30518129 PMCID: PMC6316180 DOI: 10.3390/nu10121917] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2018] [Revised: 11/22/2018] [Accepted: 11/30/2018] [Indexed: 02/06/2023] Open
Abstract
Hypertension is a growing global epidemic. Developmental programming resulting in hypertension can begin in early life. Maternal nutrition status has important implications as a double-edged sword in the developmental programming of hypertension. Imbalanced maternal nutrition causes offspring's hypertension, while specific nutritional interventions during pregnancy and lactation may serve as reprogramming strategies to reverse programming processes and prevent the development of hypertension. In this review, we first summarize the human and animal data supporting the link between maternal nutrition and developmental programming of hypertension. This review also presents common mechanisms underlying nutritional programming-induced hypertension. This will be followed by studies documenting nutritional interventions as reprogramming strategies to protect against hypertension from developmental origins. The identification of ideal nutritional interventions for the prevention of hypertension development that begins early in life will have a lifelong impact, with profound savings in the global burden of hypertension.
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Affiliation(s)
- Chien-Ning Hsu
- Department of Pharmacy, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 833, Taiwan.
- School of Pharmacy, Kaohsiung Medical University, Kaohsiung 807, Taiwan.
| | - You-Lin Tain
- Department of Pediatrics, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung 833, Taiwan.
- Institute for Translational Research in Biomedicine, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung 833, Taiwan.
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McCarthy EK, Murray DM, Malvisi L, Kenny LC, O'B Hourihane J, Irvine AD, Kiely ME. Antenatal Vitamin D Status Is Not Associated with Standard Neurodevelopmental Assessments at Age 5 Years in a Well-Characterized Prospective Maternal-Infant Cohort. J Nutr 2018; 148:1580-1586. [PMID: 30169669 DOI: 10.1093/jn/nxy150] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2018] [Accepted: 06/26/2018] [Indexed: 12/20/2022] Open
Abstract
Background Although animal studies show evidence for a role of vitamin D during brain development, data from human studies show conflicting signals. Objective We aimed to explore associations between maternal and neonatal vitamin D status with childhood neurodevelopmental outcomes. Methods Comprehensive clinical, demographic, and lifestyle data were collected prospectively in 734 maternal-infant dyads from the Cork BASELINE Birth Cohort Study. Serum 25-hydroxyvitamin D [25(OH)D] concentrations were quantified at 15 weeks of gestation and in umbilical cord sera at birth via a CDC-accredited liquid chromatography-tandem mass spectrometry method. Children were assessed at age 5 y through the use of the Kaufman Brief Intelligence Test (2nd Edition, KBIT-2) and the Child Behaviour Checklist (CBCL). Linear regression was used to explore associations between 25(OH)D and neurodevelopmental outcomes. Results 25(OH)D concentrations were <30 nmol/L in 15% of maternal and 45% of umbilical cord sera and <50 nmol/L in 42% of mothers and 80% of cords. At age 5 y, the mean ± SD KBIT-2 intelligence quotient (IQ) composite score was 104.6 ± 8.6; scores were 107.2 ± 10.0 in verbal and 99.8 ± 8.8 in nonverbal tasks. Developmental delay (scores <85) was seen in <3% of children across all domains. The mean ± SD CBCL total problem score was 21.3 ± 17.5; scores in the abnormal/clinical range for internal, external, and total problem scales were present in 12%, 4%, and 6% of participants, respectively. KBIT-2 and CBCL subscale scores at 5 y were not different between children exposed to low antenatal vitamin D status, either at 30 or 50 nmol/L 25(OH)D thresholds. Neither maternal nor cord 25(OH)D (per 10 nmol/L) were associated with KBIT-2 IQ composite scores [adjusted β (95% CI): maternal -0.01 (-0.03, 0.02); cord 0.01 (-0.03, 0.04] or CBCL total problem scores [maternal 0.01 (-0.04, 0.05); cord 0.01 (-0.07, 0.09)]. Conclusion In this well-characterized prospective maternal-infant cohort, we found no evidence that antenatal 25(OH)D concentrations are associated with neurodevelopmental outcomes at 5 y. The BASELINE Study was registered at www.clinicaltrials.gov as NCT01498965; the SCOPE Study was registered at http://www.anzctr.org.au as ACTRN12607000551493.
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Affiliation(s)
- Elaine K McCarthy
- Cork Centre for Vitamin D and Nutrition Research, School of Food and Nutritional Sciences.,The Irish Centre for Fetal and Neonatal Translational Research (INFANT)
| | - Deirdre M Murray
- The Irish Centre for Fetal and Neonatal Translational Research (INFANT).,Department of Paediatrics and Child Health, University College Cork, Cork, Republic of Ireland
| | - Lucio Malvisi
- Cork Centre for Vitamin D and Nutrition Research, School of Food and Nutritional Sciences.,The Irish Centre for Fetal and Neonatal Translational Research (INFANT)
| | - Louise C Kenny
- Department of Women's and Children's Health, University of Liverpool, Liverpool, United Kingdom
| | - Jonathan O'B Hourihane
- The Irish Centre for Fetal and Neonatal Translational Research (INFANT).,Department of Paediatrics and Child Health, University College Cork, Cork, Republic of Ireland
| | - Alan D Irvine
- The Irish Centre for Fetal and Neonatal Translational Research (INFANT).,Department of Clinical Medicine, Trinity College, Dublin, Republic of Ireland.,Department of Paediatric Dermatology, Our Lady's Children's Hospital, Dublin, Republic of Ireland.,National Children's Research Centre, Dublin, Republic of Ireland
| | - Mairead E Kiely
- Cork Centre for Vitamin D and Nutrition Research, School of Food and Nutritional Sciences.,The Irish Centre for Fetal and Neonatal Translational Research (INFANT)
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Effects of Multivitamin and Multimineral Supplementation on Blood Pressure: A Meta-Analysis of 12 Randomized Controlled Trials. Nutrients 2018; 10:nu10081018. [PMID: 30081527 PMCID: PMC6116168 DOI: 10.3390/nu10081018] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2018] [Revised: 07/23/2018] [Accepted: 07/30/2018] [Indexed: 12/15/2022] Open
Abstract
Previous studies have not drawn a consistent conclusion about effect of multivitamin and multimineral supplementation (MVMS) on blood pressure. A comprehensive search of PubMed, Embase and Cochrane Library (up to May 2018) and references of relevant articles was undertaken. The present meta-analysis included 12 randomized controlled trials (RCTs), of which eight RCTs in 2011 subjects evaluated the effect of MVMS on blood pressure and four RCTs in 21,196 subjects evaluated the effect of MVMS on the risk of hypertension. MVMS had a lowering effect on systolic blood pressure (SBP) and diastolic blood pressure (DBP): the weighted mean difference (WMD) was -1.31 mmHg (95% CI, -2.48 to -0.14 mmHg) and -0.71 mmHg (95% CI, -1.43 to 0.00 mmHg), respectively. Subgroup analysis indicated that the lowering effect of MVMS on blood pressure was only significant in 134 subjects with chronic disease but not in 1580 healthy subjects, and the WMD for systolic blood pressure (SBP) and DBP in subjects with chronic disease was -6.29 mmHg (95% CI, -11.09 to -1.50 mmHg) and -2.32 mmHg (95% CI, -4.50 to -0.13 mmHg), respectively. The effect size of MVMS on SBP in 58 hypertensive subjects (WMD, -7.98 mmHg; 95% CI, -14.95 to -1.02 mmHg) was more than six times of that in 1656 normotensive subjects (WMD, -1.25 mmHg; 95% CI, -2.48 to -0.02 mmHg). However, no significant effect on DBP was observed in both hypertensive and normotensive subgroups. There was no significant effect of MVMS on risk of hypertension in 22,852 subjects with a normal blood pressure at baseline. In conclusion, although MVMS had a significant lowering effect on blood pressure in normotensive subjects, the lowering effect was too small to effectively prevent future hypertension. MVMS may be an effective method for blood pressure control in subjects with chronic disease including hypertension, but the sample size of subjects with hypertension or other chronic disease was too small, and more well-designed RCTs are needed to confirm this result.
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Jelinic M, Leo CH, Marshall SA, Senadheera SN, Parry LJ, Tare M. Short-term (48 hours) intravenous serelaxin infusion has no effect on myogenic tone or vascular remodeling in rat mesenteric arteries. Microcirculation 2018; 24. [PMID: 28370794 DOI: 10.1111/micc.12371] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2016] [Accepted: 03/24/2017] [Indexed: 01/08/2023]
Abstract
BACKGROUND Short-term IV sRLX (recombinant human relaxin-2) infusion enhances endothelium-dependent relaxation in mesenteric arteries. This is initially underpinned by increased NO followed by a transition to prostacyclin. The effects of short-term IV sRLX treatment on pressure-induced myogenic tone and vascular remodeling in these arteries are unknown. Therefore, we investigated the effects of sRLX infusion on pressure-induced myogenic tone and passive mechanical wall properties in mesenteric arteries. METHODS Mesenteric artery myogenic tone and passive mechanics were examined after 48-hours and 10-days infusion of sRLX. Potential mechanisms of action were assessed by pressure myography, qPCR, and Western blot analysis. RESULTS Neither 48-hours nor 10-days sRLX treatment had significant effects on myogenic tone, passive arterial wall stiffness, volume compliance, or axial lengthening. However, in 48-hours sRLX -treated rats, incubation with the NO synthase blocker L-NAME significantly increased myogenic tone (P<.05 vs placebo), demonstrating an increased contribution of NO to the regulation of myogenic tone. eNOS dimerization, but not phosphorylation, was significantly upregulated in the arteries of sRLX -treated rats. CONCLUSION In mesenteric arteries, 48-hours sRLX treatment upregulates the role of NO in the regulation of myogenic tone by enhancing eNOS dimerization, without altering overall myogenic tone or vascular remodeling.
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Affiliation(s)
- Maria Jelinic
- School of BioSciences, The University of Melbourne, Parkville, Victoria, Australia
| | - Chen Huei Leo
- School of BioSciences, The University of Melbourne, Parkville, Victoria, Australia
| | - Sarah A Marshall
- School of BioSciences, The University of Melbourne, Parkville, Victoria, Australia
| | | | - Laura J Parry
- School of BioSciences, The University of Melbourne, Parkville, Victoria, Australia
| | - Marianne Tare
- Department of Physiology, Monash University, Clayton, Victoria, Australia.,Monash Rural Health, Monash University, Churchill, Victoria, Australia
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Abstract
Vitamin D has been traditionally recognized as a vitamin quintessential for bone-mineral health. In the past 2 decades, numerous experimental and observational studies have highlighted the role of vitamin D in immunity, metabolic syndrome (obesity and diabetes), cancers, renal disease, memory, and neurological dysfunction. In this article, we review important studies that focused on the impact of vitamin D on blood pressure, myocardial infarction, peripheral arterial disease, heart failure, and statin intolerance. Amidst the current pool of ambiguous evidence, we intend to discuss the role of vitamin D in "high-value cardiovascular health care".
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50
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Marshall SA, Senadheera SN, Jelinic M, O'Sullivan K, Parry LJ, Tare M. Relaxin Deficiency Leads to Uterine Artery Dysfunction During Pregnancy in Mice. Front Physiol 2018; 9:255. [PMID: 29623045 PMCID: PMC5874303 DOI: 10.3389/fphys.2018.00255] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2017] [Accepted: 03/06/2018] [Indexed: 11/16/2022] Open
Abstract
The uterine vasculature undergoes profound adaptations in response to pregnancy. Augmentation of endothelial vasodilator function and reduced smooth muscle reactivity are factors contributing to uterine artery adaptation and are critical for adequate placental perfusion. The peptide hormone relaxin has an important role in mediating the normal maternal renal vascular adaptations during pregnancy through a reduction in myogenic tone and an increase in flow-mediated vasodilation. Little is known however about the influence of endogenous relaxin on the uterine artery during pregnancy. We tested the hypothesis that relaxin deficiency increases myogenic tone and impairs endothelial vasodilator function in uterine arteries of late pregnant relaxin deficient (Rln−/−) mice. Reactivity of main uterine arteries from non-pregnant and late pregnant wild-type (Rln+/+) and Rln−/− mice was studied using pressure and wire myography and changes in gene expression explored using PCR. Myogenic tone was indistinguishable in arteries from non-pregnant mice. In late pregnancy uterine artery myogenic tone was halved in Rln+/+ mice (P < 0.0001), an adaptation that failed to occur in arteries from pregnant Rln−/− mice. The role of vasodilator prostanoids in the regulation of myogenic tone was significantly reduced in arteries of pregnant Rln−/− mice (P = 0.02). Agonist-mediated endothelium-dependent vasodilation was significantly impaired in non-pregnant Rln−/− mice. With pregnancy, differences in total endothelial vasodilator function were resolved, although there remained an underlying deficiency in the role of vasodilator prostanoids and alterations to the contributions of calcium-activated K+ channels. Fetuses of late pregnant Rln−/− mice were ~10% lighter (P < 0.001) than those of Rln+/+ mice. In conclusion, relaxin deficiency is associated with failed suppression of uterine artery myogenic tone in pregnancy, which likely contributes to reduced uteroplacental perfusion and fetal growth restriction.
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Affiliation(s)
- Sarah A Marshall
- School of BioSciences, The University of Melbourne, Parkville, VIC, Australia
| | | | - Maria Jelinic
- School of BioSciences, The University of Melbourne, Parkville, VIC, Australia
| | - Kelly O'Sullivan
- School of BioSciences, The University of Melbourne, Parkville, VIC, Australia
| | - Laura J Parry
- School of BioSciences, The University of Melbourne, Parkville, VIC, Australia
| | - Marianne Tare
- Department of Physiology and Monash Rural Health, Monash University, Melbourne, VIC, Australia
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