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Berry SPDG, Honkpèhedji YJ, Ludwig E, Mahmoudou S, Prodjinotho UF, Adamou R, Nouatin OP, Adégbitè BR, Dejon-Agobe JC, Mba RB, Maloum M, Nkoma AMM, Zinsou JF, Luty AJF, Esen M, Adégnika AA, Prazeres da Costa C. Impact of helminth infections during pregnancy on maternal and newborn Vitamin D and on birth outcomes. Sci Rep 2024; 14:14845. [PMID: 38937587 PMCID: PMC11211496 DOI: 10.1038/s41598-024-65232-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2024] [Accepted: 06/18/2024] [Indexed: 06/29/2024] Open
Abstract
Poor birth outcomes in low- and middle income countries are associated with maternal vitamin D deficiency and chronic helminth infections. Here, we investigated whether maternal Schistosoma haematobium affects maternal or cord vitamin D status as well as birth outcomes. In a prospective cross-sectional study of pregnant women conducted in Lambaréné, Gabon, we diagnosed maternal parasitic infections in blood, urine and stool. At delivery we measured vitamin D in maternal and cord blood. S. haematobium, soil-transmitted helminths, and microfilariae were found at prevalences of 30.2%, 13.0%, and 8.8%, respectively. Insufficient vitamin D and calcium levels were found in 28% and 15% of mothers, and in 11.5% and 1.5% of newborns. Mothers with adequate vitamin D had lower risk of low birthweight babies (aOR = 0.11, 95% CI 0.02-0.52, p = 0.01), whilst offspring of primipars had low cord vitamin D levels, and low vitamin D levels increased the risk of maternal inflammation. Maternal filariasis was associated with low calcium levels, but other helminth infections affected neither vitamin D nor calcium levels in either mothers or newborns. Healthy birth outcomes require maintenance of adequate vitamin D and calcium levels. Chronic maternal helminth infections do not disrupt those levels in a semi-rural setting in sub-Saharan Africa.
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Affiliation(s)
- Sèyigbéna P Déo-Gracias Berry
- Institute for Medical Microbiology, Immunology and Hygiene, TUM School of Medicine and Health, Technical University of Munich (TUM), Trogerstrasse 30, 81675, Munich, Germany
- Centre de Recherches Médicales de Lambaréné, Lambaréné, Gabon
- Center for Global Health, TUM School of Medicine and Health, Technical University of Munich (TUM), Munich, Germany
| | - Yabo Josiane Honkpèhedji
- Centre de Recherches Médicales de Lambaréné, Lambaréné, Gabon
- Department of Parasitology, Leiden University Medical Centre, Leiden, The Netherlands
- Institut Für Tropenmedizin, Universität Tübingen, Tübingen, Germany
- Fondation Pour La Recherche Scientifique (FORS), Cotonou, Benin
| | - Esther Ludwig
- Institute for Medical Microbiology, Immunology and Hygiene, TUM School of Medicine and Health, Technical University of Munich (TUM), Trogerstrasse 30, 81675, Munich, Germany
- Center for Global Health, TUM School of Medicine and Health, Technical University of Munich (TUM), Munich, Germany
| | | | - Ulrich Fabien Prodjinotho
- Institute for Medical Microbiology, Immunology and Hygiene, TUM School of Medicine and Health, Technical University of Munich (TUM), Trogerstrasse 30, 81675, Munich, Germany
- Center for Global Health, TUM School of Medicine and Health, Technical University of Munich (TUM), Munich, Germany
| | - Rafiou Adamou
- Centre de Recherches Médicales de Lambaréné, Lambaréné, Gabon
| | - Odilon P Nouatin
- Institut de Recherche Clinique du Bénin (IRCB), Abomey-Calavi, Benin
| | - Bayode R Adégbitè
- Centre de Recherches Médicales de Lambaréné, Lambaréné, Gabon
- Institut Für Tropenmedizin, Universität Tübingen, Tübingen, Germany
| | - Jean Claude Dejon-Agobe
- Centre de Recherches Médicales de Lambaréné, Lambaréné, Gabon
- Institut Für Tropenmedizin, Universität Tübingen, Tübingen, Germany
| | - Romuald Beh Mba
- Centre de Recherches Médicales de Lambaréné, Lambaréné, Gabon
| | | | | | - Jeannot Fréjus Zinsou
- Centre de Recherches Médicales de Lambaréné, Lambaréné, Gabon
- Institut Für Tropenmedizin, Universität Tübingen, Tübingen, Germany
- Fondation Pour La Recherche Scientifique (FORS), Cotonou, Benin
| | | | - Meral Esen
- Centre de Recherches Médicales de Lambaréné, Lambaréné, Gabon
- Institut Für Tropenmedizin, Universität Tübingen, Tübingen, Germany
- German Center for Infection Research (DZIF), Partner site Tübingen, Tübingen, Germany
| | - Ayôla Akim Adégnika
- Centre de Recherches Médicales de Lambaréné, Lambaréné, Gabon
- Institut Für Tropenmedizin, Universität Tübingen, Tübingen, Germany
- Fondation Pour La Recherche Scientifique (FORS), Cotonou, Benin
- German Center for Infection Research (DZIF), Partner site Tübingen, Tübingen, Germany
| | - Clarissa Prazeres da Costa
- Institute for Medical Microbiology, Immunology and Hygiene, TUM School of Medicine and Health, Technical University of Munich (TUM), Trogerstrasse 30, 81675, Munich, Germany.
- Center for Global Health, TUM School of Medicine and Health, Technical University of Munich (TUM), Munich, Germany.
- German Center for Infection Research (DZIF), Partner site Munich, Munich, Germany.
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Wang J, Han T, Zhu X. Role of maternal-fetal immune tolerance in the establishment and maintenance of pregnancy. Chin Med J (Engl) 2024; 137:1399-1406. [PMID: 38724467 PMCID: PMC11188918 DOI: 10.1097/cm9.0000000000003114] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2023] [Indexed: 06/21/2024] Open
Abstract
ABSTRACT Normal pregnancy is a contradictory and complicated physiological process. Although the fetus carries the human leukocyte antigen (HLA) inherited from the paternal line, it does not cause maternal immune rejection. As the only exception to immunological principles, maternal-fetal immune tolerance has been a reproductive immunology focus. In early pregnancy, fetal extravillous trophoblast cells (EVTs) invade decidual tissues and come into direct contact with maternal decidual immune cells (DICs) and decidual stromal cells (DSCs) to establish a sophisticated maternal-fetal crosstalk. This study reviews previous research results and focuses on the establishment and maintenance mechanism of maternal-fetal tolerance based on maternal-fetal crosstalk. Insights into maternal-fetal tolerance will not only improve understanding of normal pregnancy but will also contribute to novel therapeutic strategies for recurrent spontaneous abortion, pre-eclampsia, and premature birth.
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Affiliation(s)
- Jingjing Wang
- Department of Obstetrics and Gynaecology, Tangdu Hospital, Air Force Medical University, Xi’an, Shaanxi 710038, China
- Center for Mitochondrial Biology and Medicine, School of Life Science and Technology, Xi’an Jiaotong University, Xi’an, Shaanxi 710049, China
| | - Tao Han
- Department of Orthopedics, Hainan Branch of PLA General Hospital, Sanya, Hainan 572013, China
| | - Xiaoming Zhu
- Department of Obstetrics and Gynaecology, Tangdu Hospital, Air Force Medical University, Xi’an, Shaanxi 710038, China
- Department of Obstetrics and Gynaecology, Hainan Branch of PLA General Hospital, Sanya, Hainan 572013, China
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Yang P, Lu F. Study on the immunomodulatory mechanism of vitamin D in patients with unexplained recurrent spontaneous abortion. Heliyon 2024; 10:e27280. [PMID: 38496893 PMCID: PMC10944189 DOI: 10.1016/j.heliyon.2024.e27280] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2023] [Revised: 02/27/2024] [Accepted: 02/27/2024] [Indexed: 03/19/2024] Open
Abstract
Background To investigate the mechanism of vitamin D level on the regulation of peripheral blood lymphocyte subsets and serum Th1/Th2 cytokines in patients with unexplained recurrent spontaneous abortion (URSA). Methods Eighty female patients with URSA attending Sichuan Jinxin Xinan Women's and Children's Hospital from January 2020 to May 2021 were selected as the study group, and 30 age-matched women with a history of healthy deliveries were chosen as the control group, and peripheral blood lymphocyte subpopulations and serum Th1/Th2 cytokines of people with different levels of vitamin D were detected in the study group by flow cytometry, respectively. The results of immune factors before and after supplementation were analyzed in 40 of these patients with low vitamin D levels. The results of lymphoid subpopulations and Th1/Th2 cytokines in 19 patients with normal pregnancy before and after vitamin D supplementation and after normal pregnancy were also analyzed comparatively. Results (1) Serum 25(OH)D in the study group was lower than in the control group; peripheral blood Th cells, B cells and NK cells in the study group were higher than in the control group; IL-2, TNF-α, IFN-γ and IL-6 in the study group were higher than in the control group, while IL-4 and IL-10 in the study group were lower than in the control group (P < 0.05). (2) Th cells, B cells and NK cells of URSA patients in the vitamin D low level group were higher than those in the vitamin D normal group; serum cytokines IL-2, TNF-α and IFN-γ of patients in the vitamin D low level group were higher than those in the vitamin D normal group (P < 0.05); (3) Th cells, B cells and NK cells in URSA patients after vitamin D supplementation were lower than before vitamin D supplementation; serum cytokines IL-2, TNF-α and IFN-γ after vitamin D supplementation were lower than before vitamin D supplementation, IL-4 and IL-10 after vitamin D supplementation were higher than before vitamin D supplementation (P < 0.05), and there was no significant difference in IL-6 before and after vitamin D supplementation. (4) Th cells, B cells and NK cells in patients with normal pregnancy after vitamin D supplementation and after pregnancy were lower than those before vitamin D supplementation; serum cytokines IL-2, TNF-α and IFN-γ after vitamin D supplementation and after pregnancy were lower than those before vitamin D supplementation, and serum cytokines IL-4 and IL-10 after vitamin D supplementation and after pregnancy were higher than those before vitamin D supplementation, TNF -α, IFN-γ after pregnancy were lower than after vitamin D supplementation (P < 0.05), IL-6 was not significantly different before and after vitamin D supplementation and after pregnancy. Conclusion Vitamin D deficiency rate was high in URSA patients. Th、B、NK cells and IL-2, TNF-α, IFN-γ, IL-6 cytokines were high, while IL-6 and IL-10 were low in URSA patients. IL-2, TNF-α, IFN-γ cytokines and Th, B, NK cells were increased in vitamin D deficient URSA patients, and Vitamin D deficiency may be an important cause or aggravating factor of immune dysfunction in URSA patients. Vitamin D has an immunomodulatory effect on URSA patients, promoting successful pregnancy by down-regulating peripheral blood Th, B, and NK cells and IL-2, TNF-α, and IFN-γ cytokines, while up-regulating IL-4 and IL-10.
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Affiliation(s)
- Panyu Yang
- Department of Laboratory Medicine, Sichuan Jinxin Xinan Women's and Children's Hospital, Chengdu, China
| | - Fenjian Lu
- Center for Reproductive Medicine, The Third People's Hospital of Chengdu, Chengdu, China
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Marsubrin PMT, Ibrahim NAA, Dilmy MAF, Ariani Y, Wiweko B, Irwinda R, Harzif AK, Hegar B, Basrowi RW. Determinants of prematurity in urban Indonesia: a meta-analysis. J Perinat Med 2024; 52:270-282. [PMID: 38146621 DOI: 10.1515/jpm-2023-0151] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/13/2023] [Accepted: 10/26/2023] [Indexed: 12/27/2023]
Abstract
OBJECTIVES Indonesia is the fifth country with the highest number of preterm births worldwide. More than a third of neonatal deaths in Indonesia were attributed to preterm birth. Residential areas affected the occurrence of preterm birth due to differing socioeconomic and environmental conditions. Many studies have investigated the determinants of prematurity in Indonesia, however, most of them were performed in rural areas. This study is the first meta-analysis describing the determinants of preterm birth in urban Indonesia, which aimed to become the foundation upon implementing the most suitable preventative measure and policy to reduce the rate of preterm birth. METHODS We collected all published papers investigating the determinants of preterm birth in urban Indonesia from PubMed MEDLINE and EMBASE, using keywords developed from the following key concepts: "preterm birth", "determinants", "risk factors", "Indonesia" and the risk factors, such as "high-risk pregnancy", "anemia", "pre-eclampsia", and "infections". Exclusion criteria were multicenter studies that did not perform a specific analysis on the Indonesian population or did not separate urban and rural populations in their analysis, and articles not available in English or Indonesian. The Newcastle Ottawa Scale was used to assess the risk of bias. This systematic review was registered in PROSPERO. RESULTS Sixteen articles were included in the analysis and classified into five categories: genetic factors, nutrition, smoking, pregnancy characteristics or complications, and disease-related characteristics. CONCLUSIONS Our meta-analysis revealed adolescent pregnancy, smoking, eclampsia, bacterial vaginosis, LC-PUFA, placental vitamin D, and several minerals as the significant determinants of preterm birth in urban Indonesia.
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Affiliation(s)
| | | | - Mohammad Adya Firmansha Dilmy
- Department of Obstetrics and Gynecology, Faculty of Medicine Universitas Indonesia - Cipto Mangunkusumo Hospital, Jakarta, Indonesia
| | - Yulia Ariani
- Faculty of Medicine, Indonesian Medical Education and Research Institute, Universitas Indonesia, Jakarta, Indonesia
| | - Budi Wiweko
- Department of Obstetrics and Gynecology, Faculty of Medicine Universitas Indonesia - Cipto Mangunkusumo Hospital, Jakarta, Indonesia
| | - Rima Irwinda
- Department of Obstetrics and Gynecology, Faculty of Medicine Universitas Indonesia - Cipto Mangunkusumo Hospital, Jakarta, Indonesia
| | - Achmad Kemal Harzif
- Department of Obstetrics and Gynecology, Faculty of Medicine Universitas Indonesia - Cipto Mangunkusumo Hospital, Jakarta, Indonesia
| | - Badriul Hegar
- Faculty of Medicine, Indonesian Medical Education and Research Institute, Universitas Indonesia, Jakarta, Indonesia
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Fakhoury HMA, Arabi TZ, Tamim H, Chun RF, Grant WB, Hewison M, AlAnouti F, Pilz S, Annweiler C, Tzimagiorgis G, Haitoglou C, Karras SN. Associations of free, bioavailable and total 25-hydroxyvitamin D with neonatal birth anthropometry and calcium homoeostasis in mother-child pairs in a sunny Mediterranean region. Br J Nutr 2024; 131:801-808. [PMID: 37880994 PMCID: PMC10864994 DOI: 10.1017/s000711452300243x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2023] [Revised: 10/17/2023] [Accepted: 10/23/2023] [Indexed: 10/27/2023]
Abstract
Sufficient vitamin D status is crucial for successful pregnancy and fetal development. The assessment of 25-hydroxyvitamin D (25(OH)D) concentrations is commonly used to evaluate vitamin D status. Our objective was to examine the interrelated biodynamics of maternal and neonatal total, free and bioavailable 25(OH)D in maternal-neonatal dyads at birth and their associations with homeostasis and neonatal birth anthropometry. We analysed a cohort of seventy full-term mother-child pairs. We found positive associations between all neonatal measures of vitamin D status. Maternal forms exhibited a similar pattern of association, except for the bioavailable maternal form. In multivariate analysis, both total and free maternal 25(OH)D concentrations were correlated with all neonatal forms (neonatal total 25(OH)D: 1·29 (95 % CI, 1·12, 1·46) for maternal total 25(OH)D, 10·89 (8·16, 13·63) for maternal free 25(OH)D), (neonatal free 25(OH)D: 0·15 for maternal total 25(OH)D, 1·28 (95 % CI, 0·89, 1·68) for maternal free 25(OH)D) and (0·13 (95 % CI, 0·10, 0·16), 1·06 (95 % CI, 0·68, 1·43) for maternal free 25(OH)D), respectively, with the exclusion of the bioavailable maternal form. We observed no significant interactions within or between groups regarding maternal and neonatal vitamin D parameters and maternal calcium and parathyroid hormone concentrations, and neonatal birth anthropometry. Our study indicates that bioavailable maternal and neonatal 25(OH)D have no significant effects on vitamin D equilibrium, Ca homeostasis and neonatal anthropometry at birth. However, we observed an interaction between maternal and neonatal total and free 25(OH)D concentrations at the maternal-neonatal interface, with no associations observed with other calciotropic or anthropometric outcomes.
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Affiliation(s)
- Hana M. A. Fakhoury
- Department of Biochemistry and Molecular Medicine, College of Medicine, Alfaisal University, Riyadh, Saudi Arabia
| | - Tarek Ziad Arabi
- Department of Biochemistry and Molecular Medicine, College of Medicine, Alfaisal University, Riyadh, Saudi Arabia
| | - Hani Tamim
- Department of Biochemistry and Molecular Medicine, College of Medicine, Alfaisal University, Riyadh, Saudi Arabia
| | - Rene F. Chun
- Department of Orthopaedic Surgery, David Geffen School of Medicine at UCLA, Los Angeles, CA, USA
| | - William B. Grant
- Sunlight, Nutrition, and Health Research Center, P.O. Box 641603, San Francisco, CA94164-1603, USA
| | - Martin Hewison
- Institute of Metabolism and Systems Research, University of Birmingham, Birmingham, UK
| | - Fatme AlAnouti
- Department of Public Health and Nutrition, College of Natural and Health Sciences, Zayed University, Abu Dhabi, United Arab Emirates
- ASPIRE Precision Medicine Research InstituteAbu Dhabi, United Arab Emirates
| | - Stefan Pilz
- Division of Endocrinology and Diabetology, Department of Internal Medicine, Medical University of Graz, Graz, Austria
| | - Cedric Annweiler
- UNIV ANGERS, UPRES EA 4638, University of Angers, Department of Geriatric Medicine and Memory Clinic, Research Center on Autonomy and Longevity, Angers University Hospital, Angers, France
| | - Georgios Tzimagiorgis
- Laboratory of Biological Chemistry, Medical School, Aristotle University, 54636 Thessaloniki, Greece
| | - Costas Haitoglou
- Laboratory of Biological Chemistry, Medical School, Aristotle University, 54636 Thessaloniki, Greece
| | - Spyridon N. Karras
- Laboratory of Biological Chemistry, Medical School, Aristotle University, 54636 Thessaloniki, Greece
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Kuroshli Z, Novin MG, Nazarian H, Abdollahifar MA, Zademodarres S, Pirani M, Jahvani FA, Fathabady FF, Mofarahe ZS. The Efficacy of Vitamin D Supplement in the Expression and Protein Levels of Endometrial Decidualization Factors in Women with Recurrent Implantation Failure. Reprod Sci 2024; 31:675-686. [PMID: 37816991 DOI: 10.1007/s43032-023-01349-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2023] [Accepted: 09/01/2023] [Indexed: 10/12/2023]
Abstract
Recurrent implantation failure (RIF) is a challenging situation for infertility specialists, and its treatment is introduced as a difficult case in the field of assisted reproductive technology (ART). Vitamin D (VD) is one of the supplements that have been suggested to improve the implantation process. In the present study, the effect of VD on the expression and protein levels of VD receptor (VDR), progesterone receptor (PR), prolactin (PRL), insulin-like growth factor binding protein-1 (IGFBP-1), and homeobox protein A10 (HOXA10) in the endometrial cells of unknown RIF women with and without VD deficiency were assessed by qRT-PCR and immunohistochemistry. Twelve women with unknown RIF and VD deficiency (≤ 20 ng/ml) and twelve women with unknown RIF without VD deficiency (≥ 30 ng/ml) from 2021 to 2022 were identified. Endometrial specimens were collected in the mid-luteal stage before treatment or pregnancy. In the group with VD deficiency, oral medication of VD 50,000 units was prescribed for 2 to 3 months and their serum levels of VD were re-measured, then an endometrial biopsy at the same stage of the menstrual cycle was performed. The expression and protein levels of VDR, PR, PRL, IGFBP1, and HOXA10 in RIF patients with VD deficiency were lower than the RIF patients without VD deficiency (P value < 0.05). Our findings suggest that VD can play a key role in the pregnancy process, especially during embryo implantation and decidualization of the endometrial cells.IRCT registration number: IRCT20220528055006N1, Registration date: 2022-10-15, Registration timing: retrospective.
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Affiliation(s)
- Zahra Kuroshli
- Department of Biology and Anatomical Sciences, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Marefat Ghaffari Novin
- Department of Biology and Anatomical Sciences, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Hamid Nazarian
- Department of Biology and Anatomical Sciences, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mohammad-Amin Abdollahifar
- Department of Biology and Anatomical Sciences, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Shahrzad Zademodarres
- Clinical Research Development Center, Mahdiyeh Education Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Maryam Pirani
- Department of Biology and Anatomical Sciences, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Farideh Arab Jahvani
- Research and Clinical Centre for Infertility, Shahid Sadoughi University of Medical Sciences and Health Services, Yazd, Iran
| | - Fatemeh Fadaei Fathabady
- Department of Biology and Anatomical Sciences, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Zahra Shams Mofarahe
- Department of Biology and Anatomical Sciences, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
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Vestergaard AL, Andersen MK, Olesen RV, Bor P, Larsen A. High-Dose Vitamin D Supplementation Significantly Affects the Placental Transcriptome. Nutrients 2023; 15:5032. [PMID: 38140291 PMCID: PMC10745524 DOI: 10.3390/nu15245032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2023] [Revised: 12/03/2023] [Accepted: 12/06/2023] [Indexed: 12/24/2023] Open
Abstract
Vitamin D deficiency is a highly prevalent obstetrical concern associated with an increased risk of complications like pre-eclampsia, gestational diabetes, and growth retardation. Vitamin D status in pregnancy is also linked to long-term offspring health, e.g., the risk of obesity, metabolic disease, and neurodevelopmental problems. Despite the suspected role of vitamin D in placental diseases and fetal development, there is limited knowledge on the effect of vitamin D on placental function. Thus, we performed next-generation RNA sequencing, comparing the placental transcriptome from uncomplicated term pregnancies receiving the often-recommended dose of 10 µg vitamin D/day (n = 36) with pregnancies receiving 90 µg/day (n = 34) from late first trimester to delivery. Maternal vitamin D status in the first trimester was also considered. We found that signaling pathways related to cell adhesion, immune function, and neurodevelopment were affected, supporting that increased vitamin D supplementation benefits placental function in established pregnancies without severe vitamin D deficiency, also underlining the importance of vitamin D in brain development. Specific effects of the first trimester vitamin D status and offspring sex were also identified. Further studies are warranted, addressing the optimal vitamin status during pregnancy with a focus on organ-specific vitamin D needs in individual pregnancies.
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Affiliation(s)
- Anna Louise Vestergaard
- Department of Obstetrics and Gynecology, Randers Regional Hospital, 8930 Randers, Denmark (P.B.)
- Department of Clinical Medicine, Aarhus University, 8200 Aarhus, Denmark
| | - Matilde K. Andersen
- Department of Obstetrics and Gynecology, Randers Regional Hospital, 8930 Randers, Denmark (P.B.)
- Department of Biomedicine, Aarhus University, 8000 Aarhus, Denmark (A.L.)
| | - Rasmus V. Olesen
- Department of Biomedicine, Aarhus University, 8000 Aarhus, Denmark (A.L.)
| | - Pinar Bor
- Department of Obstetrics and Gynecology, Randers Regional Hospital, 8930 Randers, Denmark (P.B.)
- Department of Clinical Medicine, Aarhus University, 8200 Aarhus, Denmark
- Department of Obstetrics and Gynecology, Aarhus University Hospital, 8200 Aarhus, Denmark
| | - Agnete Larsen
- Department of Biomedicine, Aarhus University, 8000 Aarhus, Denmark (A.L.)
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Hu F. Vitamin D and hyperemesis gravidarum: A mendelian randomization study. J Gynecol Obstet Hum Reprod 2023; 52:102678. [PMID: 37866777 DOI: 10.1016/j.jogoh.2023.102678] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Revised: 10/05/2023] [Accepted: 10/16/2023] [Indexed: 10/24/2023]
Abstract
BACKGROUND The causality between vitamin D and hyperemesis gravidarum remains unknown. Our aim was to investigate the causal effect of vitamin D on hyperemesis gravidarum using the two-sample Mendelian randomization method. METHODS Independent single nucleotide polymorphisms significantly associated with serum 25-hydroxyvitamin D levels served as instrumental variables. The corresponding effect estimates for hyperemesis gravidarum were obtained from the Finngen Biobank. For Mendelian randomization analysis, inverse variance weighting was used as the primary method. We also used weighted median, MR-Egger regression, simple mode, and weighted mode as complementary methods to inverse variance weighting. The MR-Egger intercept test, Cochran's Q test, and "leave-one-out" sensitivity analysis were performed to assess the horizontal pleiotropy, heterogeneity, and stability of the causal association between 25-hydroxyvitamin D levels and hyperemesis gravidarum. RESULTS We found that an increase in 25-hydroxyvitamin D level was associated with a lower risk of hyperemesis gravidarum [odds ratio (OR): 0.568, 95 % CI: 0.403-0.800, p = 0.001]. The result demonstrates the causal relationship between 25-hydroxyvitamin D level and the risk of hyperemesis gravidarum in the European population. CONCLUSIONS The large Mendelian randomization analysis suggests that vitamin D may be causally associated with risk of hyperemesis gravidarum.
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Affiliation(s)
- Fang Hu
- The First People's Hospital of Tianshui, Gansu Province, 741000, China.
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Woo J, Guffey T, Dailey R, Misra D, Giurgescu C. Vitamin D Status as an Important Predictor of Preterm Birth in a Cohort of Black Women. Nutrients 2023; 15:4637. [PMID: 37960290 PMCID: PMC10649077 DOI: 10.3390/nu15214637] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2023] [Revised: 10/20/2023] [Accepted: 10/30/2023] [Indexed: 11/15/2023] Open
Abstract
Vitamin D deficiency (25 (OH)D < 20 ng/mL) is a modifiable risk factor that has been associated with an increased risk of preterm birth (PTB) (<37 weeks gestation). Black women are at a high risk for vitamin D deficiency due to higher melanin levels. Vitamin D sufficiency may be protective against PTB risk in Black women. Black participants between 8 and 25 weeks of gestation were included in this nested case-control study. The sample consisted of women who had either PTBs (n = 57) or term births, were selected based on maternal age compared to those who had PTBs (n = 118), and had blood samples available between 8 and 25 weeks of gestation. The women completed questionnaires about depressive symptoms and smoking behavior and had blood collected to determine their vitamin D levels. Gestational age at birth, hypertensive disorders, and body mass index (BMI) were collected from the medical records. The odds of PTB were increased by 3.34 times for participants with vitamin D deficiency after adjusting for hypertensive disorders of pregnancy and depressive symptoms. Vitamin D assessment and supplementation may be an important intervention for preventing PTB in pregnant Black women.
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Affiliation(s)
- Jennifer Woo
- College of Nursing, Texas Woman’s University, Dallas, TX 75235, USA
- Greene Center for Reproductive Biology, UT Southwestern, Dallas, TX 75390, USA
| | - Thomas Guffey
- Center for Research Design and Analysis, Texas Woman’s University, Denton, TX 76204, USA;
| | - Rhonda Dailey
- Department of Family Medicine and Public Health Sciences, Wayne State University, Detroit, MI 48202, USA;
| | - Dawn Misra
- Department of Epidemiology and Biostatistics, Michigan State University, East Lansing, MI 48823, USA;
| | - Carmen Giurgescu
- College of Nursing, University of Central Florida, Orlando, FL 32816, USA;
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Mead MJ, McWhorter CA, Rodgers MD, Ebeling MD, Shary JR, Gregoski MJ, Hollis BW, Hewison M, Johnson D, Caplan MJ, Wagner CL. Does maternal vitamin D status influence placental weight or vascular and inflammatory pathology? Secondary analysis from the Kellogg Pregnancy Study. J Steroid Biochem Mol Biol 2023; 233:106358. [PMID: 37414103 PMCID: PMC11229515 DOI: 10.1016/j.jsbmb.2023.106358] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Revised: 05/10/2023] [Accepted: 06/26/2023] [Indexed: 07/08/2023]
Abstract
INTRODUCTION Positive effects of vitamin D (vitD) supplementation on comorbidities of pregnancy (COP) have been explored; however, few studies have elucidated the pathophysiology behind the development of these COP and the potential relationship with derangements in placental development and morphology. Additionally, it is known that placentas weighing 10th-90th % for gestational age are associated with better outcomes. Therefore, the objective of this study was to assess the impact of resulting circulating serum 25(OH)D concentrations associated with intake of high or low doses of supplementary vitD on placental development and morphology in women who participated in a randomized double blind, placebo-controlled trial of vitD supplementation. We hypothesized that if maternal serum 25(OH)D concentration (vitD status marker) is insufficient/deficient, then placental weight and % for gestational age (GA) will be smaller and will correlate with increased vascular and inflammatory placental pathologic findings. METHODS The findings of the present study are a secondary analysis of data generated from a previously reported randomized controlled trial (RCT), the Kellogg Vitamin D Pregnancy Study. Pregnant women (n = 297) in this RCT (January 2013 - April 2018) were randomly assigned to 400 IU vs. 4400 IU vitD/day (10-14 weeks' gestational age) and followed to delivery. 132 placentas were analyzed by pathologists blinded to treatment, and the 2016 Amsterdam Consensus Criteria were used to categorize grouping/grading of placental pathology and weight. Total [25(OH)D] was measured using radioimmunoassay (ng/mL). Chi-square and Student's t-test were used to show the difference in maternal characteristics by treatment group and by placental weight. Chi-square analysis was used to determine differences between the percent pathology findings by treatment group. Students t-test was used to determine the differences in vitD status and the frequency of placental lesions. Association between [25(OH)D] area under the curve (AUC) and placental morphology were determined in a regression model that included maternal BMI ≥ 30 kg/m2, race/ethnicity, and vitD treatment group allocation. Data were analyzed using SAS v9.4 (Cary, NC) and statistical significance was indicated by p < 0.05. RESULTS The percent pathology findings by treatment group were not significantly different for each of the placental pathology categories as defined by the 2016 Amsterdam Consensus Criteria including placental weight. However, when using 25(OH)D as a biomarker for vitD status, linear regression model showed maternal serum [25(OH)D] AUC was significantly associated with greater placental weight (p = 0.023). Logistic regression models showed mothers with BMI ≥ 30 kg/m2 had larger placental weight (p = 0.046), and Hispanic and white/Caucasian mothers had greater placental weights than Black American mothers (p = 0.025). When placentas ≥ 90th % for GA, n = 7, were removed from the placental pool, Pearson correlation still showed a positive association between maternal serum 25(OH)D AUC and placental weight (p = 0.011). In a second linear regression model of placentas ≥ 90th % for GA (n = 7) vs. placentas < 90th % (n = 108), maternal serum 25(OH)D AUC was significantly greater in those placentas ≥ 90th % (p = 0.03); however, this was not associated with increased perinatal mortality. CONCLUSION FINDINGS: suggest increasing maternal serum [25(OH)D] via vitamin D supplementation during pregnancy did not adversely affect placental morphology; trends showed those in the treatment group had fewer placental lesions. Placental weight was found to be significantly associated with [25(OH)D] AUC, which represents maternal vitamin D status over the course of pregnancy; 7 placentas ≥ 90th % for GA were not associated with perinatal mortality.
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Affiliation(s)
- Molly J Mead
- College of Medicine, Medical University of South Carolina, Charleston, SC, United States
| | - Caroline A McWhorter
- College of Medicine, Medical University of South Carolina, Charleston, SC, United States
| | - Megan D Rodgers
- College of Medicine, Medical University of South Carolina, Charleston, SC, United States
| | - Myla D Ebeling
- Division of Neonatology, Department of Pediatrics, Shawn Jenkins Children's Hospital, Medical University of South Carolina, Charleston, SC, United States
| | - Judy R Shary
- Division of Neonatology, Department of Pediatrics, Shawn Jenkins Children's Hospital, Medical University of South Carolina, Charleston, SC, United States
| | - Mathew J Gregoski
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, SC, United States
| | - Bruce W Hollis
- Darby Children's Research Institute, Medical University of South Carolina, Charleston, SC, United States
| | - Martin Hewison
- Institute of Metabolism and Systems Research, Level 2, Institute of Biomedical Research, The University of Birmingham, Birmingham, UK
| | - Donna Johnson
- Department of Obstetrics and Gynecology, Medical University of South Carolina, Charleston, SC, United States
| | - Michael J Caplan
- Franklin County Ohio Office of the Coroner, Franklin County, OH, United States
| | - Carol L Wagner
- Division of Neonatology, Department of Pediatrics, Shawn Jenkins Children's Hospital, Medical University of South Carolina, Charleston, SC, United States.
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Wimalawansa SJ. Infections and Autoimmunity-The Immune System and Vitamin D: A Systematic Review. Nutrients 2023; 15:3842. [PMID: 37686873 PMCID: PMC10490553 DOI: 10.3390/nu15173842] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2023] [Revised: 08/24/2023] [Accepted: 08/29/2023] [Indexed: 09/10/2023] Open
Abstract
Both 25-autoimmunity and(25(OH)D: calcifediol) and its active form, 1,25-dihydroxyvitamin D (1,25(OH)2D: calcitriol), play critical roles in protecting humans from invasive pathogens, reducing risks of autoimmunity, and maintaining health. Conversely, low 25(OH)D status increases susceptibility to infections and developing autoimmunity. This systematic review examines vitamin D's mechanisms and effects on enhancing innate and acquired immunity against microbes and preventing autoimmunity. The study evaluated the quality of evidence regarding biology, physiology, and aspects of human health on vitamin D related to infections and autoimmunity in peer-reviewed journal articles published in English. The search and analyses followed PRISMA guidelines. Data strongly suggested that maintaining serum 25(OH)D concentrations of more than 50 ng/mL is associated with significant risk reduction from viral and bacterial infections, sepsis, and autoimmunity. Most adequately powered, well-designed, randomized controlled trials with sufficient duration supported substantial benefits of vitamin D. Virtually all studies that failed to conclude benefits or were ambiguous had major study design errors. Treatment of vitamin D deficiency costs less than 0.01% of the cost of investigation of worsening comorbidities associated with hypovitaminosis D. Despite cost-benefits, the prevalence of vitamin D deficiency remains high worldwide. This was clear among those who died from COVID-19 in 2020/21-most had severe vitamin D deficiency. Yet, the lack of direction from health agencies and insurance companies on using vitamin D as an adjunct therapy is astonishing. Data confirmed that keeping an individual's serum 25(OH)D concentrations above 50 ng/mL (125 nmol/L) (and above 40 ng/mL in the population) reduces risks from community outbreaks, sepsis, and autoimmune disorders. Maintaining such concentrations in 97.5% of people is achievable through daily safe sun exposure (except in countries far from the equator during winter) or taking between 5000 and 8000 IU vitamin D supplements daily (average dose, for non-obese adults, ~70 to 90 IU/kg body weight). Those with gastrointestinal malabsorption, obesity, or on medications that increase the catabolism of vitamin D and a few other specific disorders require much higher intake. This systematic review evaluates non-classical actions of vitamin D, with particular emphasis on infection and autoimmunity related to the immune system.
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Affiliation(s)
- Sunil J Wimalawansa
- Medicine, Endocrinology & Nutrition, Cardiometabolic & Endocrine Institute, North Brunswick, NJ 08902, USA
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12
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Durá-Travé T, Gallinas-Victoriano F. Pregnancy, Breastfeeding, and Vitamin D. Int J Mol Sci 2023; 24:11881. [PMID: 37569256 PMCID: PMC10418507 DOI: 10.3390/ijms241511881] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2023] [Revised: 07/19/2023] [Accepted: 07/20/2023] [Indexed: 08/13/2023] Open
Abstract
Exclusive breastfeeding is considered the ideal food in the first six months of life; however, paradoxically, vitamin D content in human breast milk is clearly low and insufficient to obtain the recommended intake of 400 IU daily. This article summarizes the extraordinary metabolism of vitamin D during pregnancy and its content in human breast milk. The prevalence of hypovitaminosis D in pregnant women and/or nursing mothers and its potential maternal-fetal consequences are analyzed. The current guidelines for vitamin D supplementation in pregnant women, nursing mothers, and infants to prevent hypovitaminosis D in breastfed infants are detailed. Low vitamin D content in human breast milk is probably related to active changes in human lifestyle habits (reduced sunlight exposure).
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Affiliation(s)
- Teodoro Durá-Travé
- Department of Pediatrics, School of Medicine, University of Navarra, 31008 Pamplona, Spain
- Navarrabiomed (Biomedical Research Center), 31008 Pamplona, Spain
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13
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Majid MA, Hassan WN, Ridha AF. Prevalence of 25-Hydroxyvitamin D (Vitamin D) Deficiency in a Group of Infertile Women from Baghdad City. Biochem Res Int 2023; 2023:6597730. [PMID: 37350868 PMCID: PMC10284658 DOI: 10.1155/2023/6597730] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2023] [Revised: 04/24/2023] [Accepted: 06/05/2023] [Indexed: 06/24/2023] Open
Abstract
Background Infertility is a common issue affecting a large number of Iraqi women of reproductive age. The relationship between vitamin D deficiency and infertility has previously drawn the attention of gynecologists, and an increasing number of vitamin D testing has been requested. Methods 120 women were enrolled in this study between April 2019 and April 2020. Patients were divided into two groups comprising sixty women complaining of infertility, with the other 60 women being fertile and enrolled as controls. All patients were assessed for vitamin D level. Results In the fertile study group, patients with deficient, insufficient, and sufficient level of vitamin were 28%, 23%, and 48%, respectively (these numbers were rounded to the nearest whole digit, as the numbers for the infertile group were given with that level of precision), whereas the infertile study group showed a statistically significant (p value = 0.002) distribution of vitamin levels with 50%, 35%, and 15% of women being deficient, insufficient, and sufficient, respectively. Conclusions Vitamin D is significantly deficient in infertile patients which suggests a possible, positive impact if vitamin D is considered in the management of female infertility. Further study with more participants is highly recommended.
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Affiliation(s)
- Muthana Anad Majid
- Department of Basic Sciences, College of Dentistry, Mustansiryiah University, Palestine Street, Baghdad, Iraq
| | - Wafaa Nasser Hassan
- Department of Basic Sciences, College of Medicine, Ibn Sina University for Medical and Pharmaceutical Sciences, Qadisya District, Baghdad, Iraq
| | - Amna Fadhil Ridha
- Department of Obstetrics and Gynecology, College of Medicine, Mustansiryah University, Yarmouk Hospital, Baghdad, Iraq
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14
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Lumme J, Morin-Papunen L, Pesonen P, Sebert S, Hyppönen E, Järvelin MR, Herzig KH, Ojaniemi M, Niinimäki M. Vitamin D Status in Women with a History of Infertility and Decreased Fecundability: A Population-Based Study. Nutrients 2023; 15:nu15112522. [PMID: 37299485 DOI: 10.3390/nu15112522] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2023] [Revised: 05/24/2023] [Accepted: 05/25/2023] [Indexed: 06/12/2023] Open
Abstract
BACKGROUND Infertility and fecundability problems have been linked with lower 25-hydroxyvitamin D (25(OH)D) concentrations, but studies conducted with small, heterogenous or selected populations have shown inconsistent results. METHODS This study included women at age 31 from prospective population-based Northern Finland Birth Cohort 1966. Serum 25(OH)D concentrations were evaluated between women with or without previous infertility examinations or treatments (infertility group, n = 375, reference group, n = 2051) and time to pregnancy (TTP) of over 12 months (decreased fecundability group, n = 338) with a wide range of confounders. Furthermore, 25(OH)D concentrations were also compared among reproductive outcomes. RESULTS The mean 25(OH)D concentration was lower and 25(OH)D < 30 nmol/L was more frequent in women with a history of infertility compared to reference group. Moreover, 25(OH)D > 75 nmol/L was more frequent in the reference group. The mean 25(OH)D concentration was lower in women who had had multiple miscarriages. Both history of infertility (β = -2.7, 95% confidence interval (CI) -4.6, -0.7) and decreased fecundability associated with lower 25(OH)D concentration (β = -4.1, 95% CI -7.4, -0.8) after adjustments. In conclusion, this population-based study demonstrated that previous infertility and decreased fecundability were associated with lower 25(OH)D.
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Affiliation(s)
- Johanna Lumme
- Research Unit of Clinical Medicine, University of Oulu, 90014 Oulu, Finland
- Medical Research Center, Oulu University Hospital and University of Oulu, 90220 Oulu, Finland
- Department of Obstetrics and Gynecology, Oulu University Hospital, Wellbeing Services County of North Ostrobothnia, 90220 Oulu, Finland
| | - Laure Morin-Papunen
- Research Unit of Clinical Medicine, University of Oulu, 90014 Oulu, Finland
- Medical Research Center, Oulu University Hospital and University of Oulu, 90220 Oulu, Finland
- Department of Obstetrics and Gynecology, Oulu University Hospital, Wellbeing Services County of North Ostrobothnia, 90220 Oulu, Finland
| | - Paula Pesonen
- Northern Finland Birth Cohort, Infrastructure for Population Studies, Faculty of Medicine, University of Oulu, 90014 Oulu, Finland
| | - Sylvain Sebert
- Research Unit of Population Health, University of Oulu, 90014 Oulu, Finland
| | - Elina Hyppönen
- Australian Centre for Precision Health, Cancer Research Institute, University of South Australia, Adelaide 5000, Australia
- Unit of Clinical and Health Sciences, University of South Australia, Adelaide 5000, Australia
- South Australian Health and Medical Research Institute, Adelaide 5000, Australia
| | - Marjo-Riitta Järvelin
- Research Unit of Population Health, University of Oulu, 90014 Oulu, Finland
- Department of Epidemiology and Biostatistics, MRC Centre for Environment and Health, School of Public Health, Imperial College, London W2 1PG, UK
- Department of Life Sciences, College of Health and Life Sciences, Brunel University London Kingston Lane, Uxbridge UB8 3PH, UK
- Unit of Primary Care, Oulu University Hospital, Wellbeing Services County of North Ostrobothnia, 90220 Oulu, Finland
| | - Karl-Heinz Herzig
- Medical Research Center, Oulu University Hospital and University of Oulu, 90220 Oulu, Finland
- Research Unit of Biomedicine and Internal Medicine, University of Oulu, 90014 Oulu, Finland
- Department of Gastroenterology and Metabolism, Poznan University of Medical Sciences, 61-701 Poznan, Poland
| | - Marja Ojaniemi
- Research Unit of Clinical Medicine, University of Oulu, 90014 Oulu, Finland
- Medical Research Center, Oulu University Hospital and University of Oulu, 90220 Oulu, Finland
- Department of Pediatrics and Adolescence, Oulu University Hospital, Wellbeing Services County of North Ostrobothnia, 90220 Oulu, Finland
| | - Maarit Niinimäki
- Research Unit of Clinical Medicine, University of Oulu, 90014 Oulu, Finland
- Medical Research Center, Oulu University Hospital and University of Oulu, 90220 Oulu, Finland
- Department of Obstetrics and Gynecology, Oulu University Hospital, Wellbeing Services County of North Ostrobothnia, 90220 Oulu, Finland
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15
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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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16
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Salim N, Abdul Sattar M, Adnan A. High prevalence of vitamin D deficiency in Pakistan and miscarriages: A hazard to pregnancies. Ann Med Surg (Lond) 2022; 82:104634. [PMID: 36124218 PMCID: PMC9482127 DOI: 10.1016/j.amsu.2022.104634] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2022] [Accepted: 09/04/2022] [Indexed: 11/18/2022] Open
Affiliation(s)
- Najwa Salim
- Corresponding author. Karachi Medical and Dental College, Block M North Nazimabad, B-148, Block 13-D/1, Gulshan -e- Iqbal, Karachi, Sindh, Pakistan.
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17
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Lütke-Dörhoff M, Schulz J, Westendarp H, Visscher C, Wilkens MR. Dietary supplementation of 25-hydroxycholecalciferol as an alternative to cholecalciferol in swine diets: A review. J Anim Physiol Anim Nutr (Berl) 2022; 106:1288-1305. [PMID: 36045590 DOI: 10.1111/jpn.13768] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2022] [Revised: 07/31/2022] [Accepted: 08/11/2022] [Indexed: 12/01/2022]
Abstract
25-hydroxycholecalciferol (25-OHD3 ) formed via hepatic hydroxylation from vitamin D, cholecalciferol, represents the precursor of the biologically active vitamin D hormone, 1,25-dihydroxyvitamin D. Due to a higher absorption rate and the omission of one hydroxylation, dietary supplementation of 25-OHD3 instead of vitamin D3 is considered to be more efficient as plasma concentrations of 25-OHD3 are increased more pronounced. The present review summarises studies investigating potential beneficial effects on mineral homeostasis, bone metabolism, health status and performance in sows, piglets and fattening pigs. Results are inconsistent. While most studies could not demonstrate any or only a slight impact of partial or total replacement of vitamin D3 by 25-OHD3 , some experiments indicated that 25-OHD3 might alter physiological processes when animals are challenged, for example, by a restricted mineral supply.
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Affiliation(s)
- Michael Lütke-Dörhoff
- Institute for Animal Hygiene, Animal Welfare and Farm Animal Behaviour, University of Veterinary Medicine Hannover, Foundation, Hanover, Germany.,Department of Animal Nutrition, Faculty of Agricultural Sciences and Landscape Architecture, Hochschule Osnabrück, Osnabrück, Germany
| | - Jochen Schulz
- Institute for Animal Hygiene, Animal Welfare and Farm Animal Behaviour, University of Veterinary Medicine Hannover, Foundation, Hanover, Germany
| | - Heiner Westendarp
- Department of Animal Nutrition, Faculty of Agricultural Sciences and Landscape Architecture, Hochschule Osnabrück, Osnabrück, Germany
| | - Christian Visscher
- Institute for Animal Nutrition, University of Veterinary Medicine Hannover, Foundation, Hanover, Germany
| | - Mirja R Wilkens
- Institute of Animal Nutrition, Nutrition Diseases and Dietetics, Faculty of Veterinary Medicine, University of Leipzig, Leipzig, Germany
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18
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Suárez-Varela MM, Uçar N, Peraita-Costa I, Huertas MF, Soriano JM, Llopis-Morales A, Grant WB. Vitamin D-Related Risk Factors for Maternal Morbidity during Pregnancy: A Systematic Review. Nutrients 2022; 14:nu14153166. [PMID: 35956342 PMCID: PMC9370561 DOI: 10.3390/nu14153166] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2022] [Revised: 07/14/2022] [Accepted: 07/28/2022] [Indexed: 02/01/2023] Open
Abstract
Vitamin D has well-defined classical functions related to metabolism and bone health but also has non-classical effects that may influence pregnancy. Maternal morbidity remains a significant health care concern worldwide, despite efforts to improve maternal health. Nutritional deficiencies of vitamin D during pregnancy are related to adverse pregnancy outcomes, but the evidence base is difficult to navigate. The primary purpose of this review is to map the evidence on the effects of deficiencies of vitamin D on pregnancy outcome and the dosage used in such studies. A systematic search was performed for studies on vitamin D status during pregnancy and maternal outcomes. A total of 50 studies came from PubMed, 15 studies came from Cochrane, and 150 studies came from Embase, for a total of 215 articles. After screening, 34 were identified as candidate studies for inclusion. Finally, 28 articles met the inclusion criteria, which originated from 15 countries. The studies included 14 original research studies and 13 review studies conducted between 2012 and 2021. This review was finally limited to the 14 original studies. This systematic review was conducted according to the Preferred Reporting Items for Systematic Review and Meta-Analysis (PRISMA) guidelines, and the quality and strength of the evidence was evaluated using the Navigation Guide Systematic Review Methodology (SING). We found evidence that supports the idea that supplementary vitamin D for pregnant women is important for reducing the risk of gestational diabetes, hypertension, preeclampsia, early labor, and other complications. The data retrieved from this review are consistent with the hypothesis that adequate vitamin D levels might contribute to a healthy pregnancy.
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Affiliation(s)
- Maria Morales Suárez-Varela
- Area of Preventive Medicine and Public Health, Department of Preventive Medicine and Public Health, Food Sciences, Toxicology and Legal Medicine, School of Pharmacy, University de Valencia, Avenida Vicent Andres Estelles s/n, 46100 Valencia, Spain; (M.M.S.-V.); (N.U.); (I.P.-C.); (M.F.H.); (A.L.-M.)
- Biomedical Research Center Network on Epidemiology and Public Health (CIBERESP), Institute of Health Carlos III, Avenida Monforte de Lemos, 3-5, Pabellón 11, Planta 0, 28029 Madrid, Spain
| | - Nazlı Uçar
- Area of Preventive Medicine and Public Health, Department of Preventive Medicine and Public Health, Food Sciences, Toxicology and Legal Medicine, School of Pharmacy, University de Valencia, Avenida Vicent Andres Estelles s/n, 46100 Valencia, Spain; (M.M.S.-V.); (N.U.); (I.P.-C.); (M.F.H.); (A.L.-M.)
| | - Isabel Peraita-Costa
- Area of Preventive Medicine and Public Health, Department of Preventive Medicine and Public Health, Food Sciences, Toxicology and Legal Medicine, School of Pharmacy, University de Valencia, Avenida Vicent Andres Estelles s/n, 46100 Valencia, Spain; (M.M.S.-V.); (N.U.); (I.P.-C.); (M.F.H.); (A.L.-M.)
- Biomedical Research Center Network on Epidemiology and Public Health (CIBERESP), Institute of Health Carlos III, Avenida Monforte de Lemos, 3-5, Pabellón 11, Planta 0, 28029 Madrid, Spain
| | - María Flores Huertas
- Area of Preventive Medicine and Public Health, Department of Preventive Medicine and Public Health, Food Sciences, Toxicology and Legal Medicine, School of Pharmacy, University de Valencia, Avenida Vicent Andres Estelles s/n, 46100 Valencia, Spain; (M.M.S.-V.); (N.U.); (I.P.-C.); (M.F.H.); (A.L.-M.)
| | - Jose Miguel Soriano
- Unit of Nutrition and Bromatology, Department of Preventive Medicine and Public Health, Food Sciences, Toxicology and Forensic Medicine, Universitat de València, Avda. Vicente Andrés Estellés s/n, Burjassot, 46100 Valencia, Spain;
| | - Agustin Llopis-Morales
- Area of Preventive Medicine and Public Health, Department of Preventive Medicine and Public Health, Food Sciences, Toxicology and Legal Medicine, School of Pharmacy, University de Valencia, Avenida Vicent Andres Estelles s/n, 46100 Valencia, Spain; (M.M.S.-V.); (N.U.); (I.P.-C.); (M.F.H.); (A.L.-M.)
| | - William B. Grant
- Sunlight, Nutrition, and Health Research Center, P.O. Box 641603, San Francisco, CA 94164-1603, USA
- Correspondence:
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Tafti FD, Zare F, Miresmaeili SM, Fesahat F. Evaluating Vitamin D and foxp3 mRNA levels in women with recurrent spontaneous abortion. JBRA Assist Reprod 2022; 26:232-236. [PMID: 34812598 PMCID: PMC9118952 DOI: 10.5935/1518-0557.20210062] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2021] [Accepted: 07/29/2021] [Indexed: 11/20/2022] Open
Abstract
OBJECTIVE This current survey investigated the role of the Forkhead 3 box protein (foxp3) gene and serum vitamin D levels in women with recurrent spontaneous abortion (RSA). METHODS The mRNA level of the foxp3 gene in peripheral blood was evaluated in women with a history of RSA (N=40) and in controls (N=40) via quantitative polymerase chain reaction. We employed the enzyme-linked immunosorbent assay to assess the serum levels of 1,25-dihydroxyvitamin D3 (1,25(OH)2 D) in both groups. The Mann-Whitney U test and Pearson's correlation coefficient were used to statistically compare study groups between and within themselves, respectively. RESULTS Although mRNA levels of foxp3 were higher in women with RSA than in controls, we observed no significant change in mRNA levels of foxp3 between the two groups (p=0.16). An important positive correlation was observed between foxp3 mRNA levels and 1,25(OH)2 D in controls (p=0.003). In contrast, the correlation between foxp3 expression and 1,25(OH)2 D was not significant in the case group (p=0.14). Serum vitamin D levels were lower in women with RSA than in controls (p<0.001). CONCLUSIONS Our findings demonstrated that 1,25Vitamin D3 along with other molecules might help prevent RSA by providing for an anti-inflammatory state not necessarily through foxp3 expression or T cell differentiation.
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Affiliation(s)
| | - Fateme Zare
- Reproductive Immunology Research Center, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
| | | | - Farzaneh Fesahat
- Reproductive Immunology Research Center, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
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Di Renzo L, De Lorenzo A, Fontanari M, Gualtieri P, Monsignore D, Schifano G, Alfano V, Marchetti M. Immunonutrients involved in the regulation of the inflammatory and oxidative processes: implication for gamete competence. J Assist Reprod Genet 2022; 39:817-846. [PMID: 35353297 PMCID: PMC9050992 DOI: 10.1007/s10815-022-02472-6] [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: 11/17/2021] [Accepted: 03/16/2022] [Indexed: 11/30/2022] Open
Abstract
Purpose The purpose of this umbrella review is to bring together the most recent reviews concerning the role of immunonutrients for male and female infertility. Methods Regarding immunonutrients and fertility, the authors have analyzed reviews, systematic reviews, and meta-analyses published between 2011 and June 2021. All reviews on animal or in vitro studies were excluded. Relevant keywords to term micronutrients were analyzed alone or in association with other terms such as “gamete competence,” “male OR female fertility,” “male OR female infertility,” “fertile, “folliculogenesis,” “spermatogenesis,” “immunomodulation,” “immune system,” “oxidative stress.” Results The primary research has included 108 results, and after screening by title, abstract. and not topic-related, 41 studies have been included by full texts. The results show the molecular mechanisms and the immunonutrients related impact on gamete formation, development. and competence. In particular, this review focused on arginine, glutamine, vitamin C, vitamin D, vitamin E, omega-3, selenium, and zinc. Conclusions Inflammation and oxidative stress significantly impact human reproduction. For this reason, immunonutrients may play an important role in the treatment of infertile patients. However, due to the lack of consistent clinical trials, their application is limited. Therefore, the development of clinical trials is necessary to define the correct supplementation, in case of deficiency.
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Affiliation(s)
- Laura Di Renzo
- Section of Clinical Nutrition and Nutrigenomic, Department of Biomedicine and Prevention, University of Tor Vergata, Via Montpellier 1, 00133, Rome, Italy.,School of Specialization in Food Sciences, University of Rome Tor Vergata, Via Montpellier 1, 00133, Rome, Italy.,Italian University Network for Sustainable Development (RUS), Food Working Group, University of Tor Vergata, Via Cracovia, 00133, Rome, Italy
| | - Antonino De Lorenzo
- Section of Clinical Nutrition and Nutrigenomic, Department of Biomedicine and Prevention, University of Tor Vergata, Via Montpellier 1, 00133, Rome, Italy
| | - Marco Fontanari
- School of Specialization in Food Sciences, University of Rome Tor Vergata, Via Montpellier 1, 00133, Rome, Italy
| | - Paola Gualtieri
- Section of Clinical Nutrition and Nutrigenomic, Department of Biomedicine and Prevention, University of Tor Vergata, Via Montpellier 1, 00133, Rome, Italy.
| | - Diego Monsignore
- School of Specialization in Food Sciences, University of Rome Tor Vergata, Via Montpellier 1, 00133, Rome, Italy
| | - Giulia Schifano
- School of Specialization in Food Sciences, University of Rome Tor Vergata, Via Montpellier 1, 00133, Rome, Italy
| | - Valentina Alfano
- School of Specialization in Food Sciences, University of Rome Tor Vergata, Via Montpellier 1, 00133, Rome, Italy
| | - Marco Marchetti
- PhD School of Applied Medical-Surgical Sciences, University of Rome Tor Vergata, Via Montpellier 1, 00133, Rome, Italy
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Vaccines, Microbiota and Immunonutrition: Food for Thought. Vaccines (Basel) 2022; 10:vaccines10020294. [PMID: 35214752 PMCID: PMC8874781 DOI: 10.3390/vaccines10020294] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2021] [Revised: 02/04/2022] [Accepted: 02/08/2022] [Indexed: 12/14/2022] Open
Abstract
Vaccines are among the most effective health measures and have contributed to eradicating some diseases. Despite being very effective, response rates are low in some individuals. Different factors have been proposed to explain why some people are not as responsive as others, but what appears to be of critical importance is the presence of a healthy functioning immune system. In this respect, a key factor in modulating the immune system, both in its adaptive and innate components, is the microbiota. While microbiota can be modulated in different ways (i.e., antibiotics, probiotics, prebiotics), an effective and somewhat obvious mechanism is via nutrition. The science of nutrients and their therapeutic application is called immunonutrition, and it is increasingly being considered in several conditions. Our review will focus on the importance of nutrition and microbiota modulation in promoting a healthy immune system while also discussing the overall impact on vaccination response.
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Abstract
Background: It is still unclear if and to what extent antenatal or infant or childhood vitamin D supplementation would affect the development of allergy diseases later in life. This study aimed to review the efficacy of vitamin D supplementation in pregnant women, infants, or children for the prevention of allergies. Methods: MEDLINE (PubMed), EMBASE (OVID), and the Cochrane Central Register of Controlled Trials were searched up to March 1, 2020. We included only randomized controlled trials (RCTs). We performed a systematic review and meta-analysis for vitamin D supplementation in primary allergy prevention. These trials were assessed for risk of bias using the Cochrane Collaboration domains and the consensus was reached via discussion with the full study group. We descriptively summarized and quantitatively synthesized original data to evaluate vitamin D supplementation in primary allergy prevention by using Review Manager software for meta-analysis. Results: The search yielded 1251 studies. Seven RCTs were included in this analysis. A meta-analysis revealed that vitamin D supplementation for pregnant women or infants may not decrease the risk of developing allergic diseases, such as asthma or wheezing (supplementation for pregnant women, risk ratio [RR]: 1.01, 95% confidence interval [CI]: 0.81–1.26, P = 0.90, I2 = 47%; supplementation for infants, RR: 1.00, 95% CI: 0.70–1.43, P = 0.99, I2 = 0%; supplementation for pregnant women and infants, RR: 0.35, 95% CI: 0.10–1.25, P = 0.11), eczema (supplementation for pregnant women, RR: 0.95, 95% CI: 0.80–1.13, P = 0.77, I2 = 0%; supplementation for infants, RR: 0.84, 95% CI: 0.64–1.11, P = 0.19, I2 = 42%), allergic rhinitis (supplementation for pregnant women, RR: 0.93, 95% CI: 0.78–1.11, P = 0.15, I2 = 47%), lower respiratory tract infection (LRTI) (supplementation for pregnant women, RR: 0.97, 95% CI: 0.85–1.11, P = 0.59, I2 = 0%), or food allergy. Conclusions: Supplementation of vitamin D in pregnant women or infants does not have an effect on the primary prevention of allergic diseases. Systematic Review Registration: PROSPERO (CRD42020167747)
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Lin S, Zhang Y, Jiang L, Li J, Chai J, Pei L, Shang X. Interactive Effects of Maternal Vitamin D Status and Socio-Economic Status on the Risk of Spontaneous Abortion: Evidence from Henan Province, China. Nutrients 2022; 14:nu14020291. [PMID: 35057472 PMCID: PMC8780117 DOI: 10.3390/nu14020291] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2021] [Revised: 01/04/2022] [Accepted: 01/07/2022] [Indexed: 02/01/2023] Open
Abstract
Background: Maternal vitamin D deficiency might generate adverse reproductive outcomes, and socio-economic inequalities in micronutrient-related diseases have often been found. This study aimed to explore the interactive effects of maternal vitamin D status and socio-economic status (SES) on risk of spontaneous abortion. Methods: A population-based case–control study was conducted including 293 women with spontaneous abortion and 498 control women in December 2009 and January, 2010 in Henan Province, China. Information on pregnancy outcomes, maternal demographic, lifestyle and exposure factors and blood samples were collected at the same time. Vitamin D deficiency was defined as 25(OH)D < 20 ng/mL. SES index was constructed with principal component analysis by aggregating women’s and their husbands’ education level and occupation, and household income and expenditure. Interactive effects were assessed on a multiplicative scale with ratio of the odds ratio (ROR). Results: Compared to those with high SES and vitamin D sufficiency, women with vitamin D deficiency and low SES index had an increased risk of spontaneous abortion (aOR: 1.99; 95% CI: 1.23–3.23). The ROR was 2.06 (95% CI: 1.04–4.10), indicating a significant positive multiplicative interaction. Conclusions: Maternal low SES may strengthen the effect of vitamin D deficiency exposure on spontaneous abortion risk in this Chinese population.
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Affiliation(s)
- Shiqi Lin
- Institute of Population Research and China Center on Population Health and Development, Peking University, Beijing 100871, China; (S.L.); (Y.Z.); (J.L.)
| | - Yuan Zhang
- Institute of Population Research and China Center on Population Health and Development, Peking University, Beijing 100871, China; (S.L.); (Y.Z.); (J.L.)
| | - Lifang Jiang
- National Health Commission Key Laboratory of Birth Defects Prevention, Henan Key Laboratory of Population Defects Prevention, Zhengzhou 450002, China; (L.J.); (J.C.)
| | - Jiajia Li
- Institute of Population Research and China Center on Population Health and Development, Peking University, Beijing 100871, China; (S.L.); (Y.Z.); (J.L.)
| | - Jian Chai
- National Health Commission Key Laboratory of Birth Defects Prevention, Henan Key Laboratory of Population Defects Prevention, Zhengzhou 450002, China; (L.J.); (J.C.)
| | - Lijun Pei
- Institute of Population Research and China Center on Population Health and Development, Peking University, Beijing 100871, China; (S.L.); (Y.Z.); (J.L.)
- Correspondence: (L.P.); (X.S.)
| | - Xuejun Shang
- Department of Andrology, Jinling Hospital, School of Medicine, Nanjing University, Nanjing 210002, China
- Correspondence: (L.P.); (X.S.)
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Ribeiro VR, Romao-Veiga M, Nunes PR, Matias ML, Peracoli JC, Peracoli MTS. Vitamin D modulates the transcription factors of T cell subsets to anti-inflammatory and regulatory profiles in preeclampsia. Int Immunopharmacol 2021; 101:108366. [PMID: 34810124 DOI: 10.1016/j.intimp.2021.108366] [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: 07/06/2021] [Revised: 10/27/2021] [Accepted: 11/09/2021] [Indexed: 12/24/2022]
Abstract
Vitamin D (VD) is a multifunctional prohormone and low VD status in pregnancy may contribute to the risk of adverse perinatal outcomes, such as preeclampsia (PE). This molecule may modulate the polarization of T cell subsets during gestation. This study evaluated the in vitro immunomodulatory effect of VD [1,25(OH)2D3] on the gene expression of transcription factors and on cytokine production by T cell subsets. Twenty pregnant women with PE and twenty normotensive (NT) pregnant women were studied. Plasma concentration of VD, [25(OH)D3], was evaluated by chemiluminescence. PBMCs from preeclamptic and NT pregnant women were cultured in the absence or presence of VD to determine gene expression of T-bet (Th1), GATA-3 (Th2), RORγt, and RUNX1 (Th17), FoxP3 (regulatory T cell- Treg), and the receptors of VD (VDR) and IL-23 (IL-23R) by quantitative PCR. The concentration of cytokines in the PBMC supernatant culture was determined by cytometric bead array and ELISA immunoassay. The results showed that plasmatic levels of VD were significantly lower in the PE group. The treatment of PBMCs from PE pregnant women with VD induced downregulation of genes related to inflammatory profiles (Th1 and Th17), as well as an increase of the Th2 and Treg profiles. Thus, VD treatment decreased the release of IFN-γ, TNF-α, IL-17, IL-6, and IL-23 while it increased the levels of IL-10 in the PE group. VD induces an immunomodulatory effect in T cell subsets from pregnant women with PE, polarizing these cells to an anti-inflammatory and regulatory profile.
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Affiliation(s)
- Vanessa Rocha Ribeiro
- Department of Gynecology and Obstetrics, Botucatu Medical School, Sao Paulo State University-UNESP, Botucatu, Sao Paulo, Brazil.
| | - Mariana Romao-Veiga
- Department of Gynecology and Obstetrics, Botucatu Medical School, Sao Paulo State University-UNESP, Botucatu, Sao Paulo, Brazil
| | - Priscila Rezeck Nunes
- Department of Gynecology and Obstetrics, Botucatu Medical School, Sao Paulo State University-UNESP, Botucatu, Sao Paulo, Brazil
| | - Mariana Leticia Matias
- Department of Gynecology and Obstetrics, Botucatu Medical School, Sao Paulo State University-UNESP, Botucatu, Sao Paulo, Brazil
| | - Jose Carlos Peracoli
- Department of Gynecology and Obstetrics, Botucatu Medical School, Sao Paulo State University-UNESP, Botucatu, Sao Paulo, Brazil
| | - Maria Terezinha Serrao Peracoli
- Department of Gynecology and Obstetrics, Botucatu Medical School, Sao Paulo State University-UNESP, Botucatu, Sao Paulo, Brazil; Department of Chemistry and Biological Sciences, Institute of Biosciences, Sao Paulo State University-UNESP, Botucatu, Sao Paulo, Brazil
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Phosphate, Calcium, and Vitamin D: Key Regulators of Fetal and Placental Development in Mammals. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2021; 1354:77-107. [PMID: 34807438 DOI: 10.1007/978-3-030-85686-1_5] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Normal calcium and bone homeostasis in the adult is virtually fully explained by the interactions of several key regulatory hormones, including parathyroid hormone, 1,25 dihydroxy vitamin D3, fibroblast growth factor-23, calcitonin, and sex steroids (estradiol and testosterone). In utero, bone and mineral metabolism is regulated differently from the adult. During development, it is the placenta and not the fetal kidneys, intestines, or skeleton that is the primary source of minerals for the fetus. The placenta is able to meet the almost inexhaustible needs of the fetus for minerals by actively driving the transport of calcium and phosphorus from the maternal circulation to the growing fetus. These fundamentally important minerals are maintained in the fetal circulation at higher concentrations than those in maternal blood. Maintenance of these inordinately higher fetal levels is necessary for the developing skeleton to accrue sufficient minerals by term. Importantly, in livestock species, prenatal mineralization of the skeleton is crucial for the high levels of offspring activity soon after birth. Calcium is required for mineralization, as well as a plethora of other physiological functions. Placental calcium and phosphate transport are regulated by several mechanisms that are discussed in this review. It is clear that phosphate and calcium metabolism is intimately interrelated and, therefore, placental transport of these minerals cannot be considered in isolation.
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Mardiah W, Setiabudiawan B, Mediani HS. The Role of Vitamin D in Stunting Prevention: A Literature Review. Open Access Maced J Med Sci 2021. [DOI: 10.3889/oamjms.2021.7584] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
BACKGROUND: Nutritional problems in infants under the age of two can inhibit growth and development. This has a negative impact on their subsequent life, increasing the risk of stunting. Vitamins are essential micronutrients in the body’s metabolic processes and they have a multi-complex role. One of the micronutrients that affect stunting are vitamin D. It plays an important role in stunting prevention. Stunting countermeasures are carried out by fulfilling the need of adequate nutrition where both macronutrients and micronutrients are needed to avoid the risk of stunting.
AIM: The aim of this literature review was to analyze the role of vitamin D in preventing stunting.
METHODS: The articles were collected through the Google Scholar, PubMed, Proquest, and Ebsco databases using the keywords Vitamin D and Stunting, consisting of both quantitative and qualitative studies. The articles used were only articles with a full text available that were written in English and Indonesian published from 2015 to 2019. Fifteen articles were found that met the criteria.
RESULTS: The literature review results indicate that vitamin D plays an important role in the metabolism of bone formation and growth. It also has the role of increasing the level of immunity in children. Both roles contribute to stunting prevention. Vitamin D is key in regulating the immune function during pregnancy regarding the fetus-mother interaction, representing an important target. Among its non-classical actions include the emphasis of strong immunomodulators, including the induction of antibacterial responses and the modulation of T-lymphocytes to suppress inflammation and increase tolerogenesis. Vitamin D plays an important role in the innate immune function in the decidua by promoting the infection response while simultaneously preventing the excessive elaboration of immune inflammation. The research to date has focused on the potential role of vitamin D in preventing infectious diseases such as tuberculosis, as well as possibly suppressing autoimmune diseases.
CONCLUSION: Vitamin D can also affect the immune function in a manner that is not immediately related to the primary innate response. Stunting can be prevented early on through the adequate intake of macro and micronutrient nutrients. The need for micronutrients is especially important, inclusive of vitamin D as an important element in bone metabolism. It also increases the body’s defenses so as to prevent infectious diseases in children.
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Poniedziałek-Czajkowska E, Mierzyński R. Could Vitamin D Be Effective in Prevention of Preeclampsia? Nutrients 2021; 13:nu13113854. [PMID: 34836111 PMCID: PMC8621759 DOI: 10.3390/nu13113854] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Revised: 10/21/2021] [Accepted: 10/26/2021] [Indexed: 12/23/2022] Open
Abstract
Prevention of preeclampsia (PE) remains one of the most significant problems in perinatal medicine. Due to the possible unpredictable course of hypertension in pregnancy, primarily PE and the high complication rate for the mother and fetus/newborn, it is urgent to offer pregnant women in high-risk groups effective methods of preventing the PE development or delaying its appearance. In addition, due to the association of PE with an increased risk of developing cardiovascular diseases (CVD) in later life, effective preeclampsia prevention could also be important in reducing their incidence. Ideal PE prophylaxis should target the pathogenetic changes leading to the development of PE and be safe for the mother and fetus, inexpensive and freely available. Currently, the only recognized method of PE prevention recommended by many institutions around the world is the use of a small dose of acetylsalicylic acid in pregnant women with risk factors. Unfortunately, some cases of PE are diagnosed in women without recognized risk factors and in those in whom prophylaxis with acetylsalicylic acid is not adequate. Hence, new drugs which would target pathogenetic elements in the development of preeclampsia are studied. Vitamin D (Vit D) seems to be a promising agent due to its beneficial effect on placental implantation, the immune system, and angiogenic factors. Studies published so far emphasize the relationship of its deficiency with the development of PE, but the data on the benefits of its supplementation to reduce the risk of PE are inconclusive. In the light of current research, the key issue is determining the protective concentration of Vit D in a pregnant woman. The study aims to present the possibility of using Vit D to prevent PE, emphasizing its impact on the pathogenetic elements of preeclampsia development.
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Ni M, Zhang Q, Zhao J, Shen Q, Yao D, Wang T, Liu Z. Relationship between maternal vitamin D status in the first trimester of pregnancy and maternal and neonatal outcomes: a retrospective single center study. BMC Pediatr 2021; 21:330. [PMID: 34325665 PMCID: PMC8320191 DOI: 10.1186/s12887-021-02730-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/23/2020] [Accepted: 05/17/2021] [Indexed: 12/28/2022] Open
Abstract
Background This study aimed to investigate the relationship between maternal serum vitamin D status in the first trimester of pregnancy and maternal as well as neonatal outcomes, considered the prevalence of vitamin D deficiency (serum 25(OH)D < 50 nmol/L) around the world, especially in the pregnant women. Methods From January 2015 to December 2016, in this cross-sectional retrospective study, we enrolled women receiving regular prenatal examinations and giving birth in the International Peace Maternity and Child Health Hospital. Cases confirmed as multiple pregnancy, incomplete medical records, and vitamin D level recorded after 13 weeks of gestation were excluded. A total of 23,394 mother-infant pairs were included ultimately. Obstetric and neonatal information were extracted from the database. Maternal serum vitamin D concentration was measured by chemiluminescence microparticle immunoassay. Logistic regression analysis (unadjusted and adjusted models) was used to analyze the association between vitamin D and maternal and neonatal outcomes. Results The average 25(OH) D concentration was 43.20 ± 0.10 nmol/L; 67.09% of patients were vitamin D deficient(25(OH) D < 50.00 nmol/L), 29.84% were vitamin D insufficient (50 nmol/L ≤ 25(OH)D < 75 nmol/L), 3.07% were sufficient (25(OH)D ≥ 75 nmol/L). The maternal 25(OH)D levels varied with age, pre-pregnancy BMI, season when blood sample was collected, number of previous-pregnancy. Notably, newborns delivered by women with deficient vitamin D status had a higher incidence rate of admission to NICU (Deficiency: 12.20% vs Insufficiency: 10.90% vs Sufficiency: 11.70%, Pbonferroni = .002) and a longer stay (deficiency: 6.2 ± 4.1 days vs insufficiency: 5.9 ± 3.1 days vs sufficiency: 5.1 ± 2.1 days, Pbonferroni = .010). Moreover, maternal vitamin D deficiency was a dependent risk factor for admission to NICU (unadjusted OR = 1.35, 95% CI,1.05–1.74 Pbonferroni = .022; adjusted OR = 1.31, 95% CI,1.010–1.687 Pbonferroni = .042). Conclusions Maternal vitamin D deficiency (25(OH) D < 50 nmol/L) was prevalent in eastern coastal China. The incidence rate of GDM as well as preeclampsia was higher in vitamin D insufficient group while vitamin D deficiency group was liable to intrauterine infection when compared with the other two groups. Most importantly, low vitamin D status in the first trimester of pregnancy was a dependent risk factor for admission to NICU. More well-designed perspective researches are necessary to clarify the role of vitamin D in the early stage of pregnancy.
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Affiliation(s)
- Meng Ni
- International Peace Maternity and Child Health Hospital, School of Medicine, Shanghai Jiao Tong University, 910# Hengshan Road, Shanghai, 20030, China.,International Peace Maternity and Child Health Hospital of China Welfare Institution, School of Medicine, Shanghai Jiao Tong University, Shanghai, China.,Shanghai Key Laboratory of Embryo Original Disease, Shanghai, China
| | - Qianqian Zhang
- International Peace Maternity and Child Health Hospital, School of Medicine, Shanghai Jiao Tong University, 910# Hengshan Road, Shanghai, 20030, China.,International Peace Maternity and Child Health Hospital of China Welfare Institution, School of Medicine, Shanghai Jiao Tong University, Shanghai, China.,Shanghai Key Laboratory of Embryo Original Disease, Shanghai, China
| | - Jiuru Zhao
- International Peace Maternity and Child Health Hospital, School of Medicine, Shanghai Jiao Tong University, 910# Hengshan Road, Shanghai, 20030, China.,International Peace Maternity and Child Health Hospital of China Welfare Institution, School of Medicine, Shanghai Jiao Tong University, Shanghai, China.,Shanghai Key Laboratory of Embryo Original Disease, Shanghai, China
| | - Qianwen Shen
- International Peace Maternity and Child Health Hospital, School of Medicine, Shanghai Jiao Tong University, 910# Hengshan Road, Shanghai, 20030, China.,International Peace Maternity and Child Health Hospital of China Welfare Institution, School of Medicine, Shanghai Jiao Tong University, Shanghai, China.,Shanghai Key Laboratory of Embryo Original Disease, Shanghai, China
| | - Dongting Yao
- International Peace Maternity and Child Health Hospital, School of Medicine, Shanghai Jiao Tong University, 910# Hengshan Road, Shanghai, 20030, China.,International Peace Maternity and Child Health Hospital of China Welfare Institution, School of Medicine, Shanghai Jiao Tong University, Shanghai, China.,Shanghai Key Laboratory of Embryo Original Disease, Shanghai, China
| | - Tao Wang
- International Peace Maternity and Child Health Hospital, School of Medicine, Shanghai Jiao Tong University, 910# Hengshan Road, Shanghai, 20030, China.,International Peace Maternity and Child Health Hospital of China Welfare Institution, School of Medicine, Shanghai Jiao Tong University, Shanghai, China.,Shanghai Key Laboratory of Embryo Original Disease, Shanghai, China
| | - Zhiwei Liu
- International Peace Maternity and Child Health Hospital, School of Medicine, Shanghai Jiao Tong University, 910# Hengshan Road, Shanghai, 20030, China. .,International Peace Maternity and Child Health Hospital of China Welfare Institution, School of Medicine, Shanghai Jiao Tong University, Shanghai, China. .,Shanghai Key Laboratory of Embryo Original Disease, Shanghai, China.
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Steinhauser CB, Lambo CA, Askelson K, Burns GW, Behura SK, Spencer TE, Bazer FW, Satterfield MC. Placental Transcriptome Adaptations to Maternal Nutrient Restriction in Sheep. Int J Mol Sci 2021; 22:ijms22147654. [PMID: 34299281 PMCID: PMC8306922 DOI: 10.3390/ijms22147654] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2021] [Accepted: 07/15/2021] [Indexed: 12/13/2022] Open
Abstract
Placental development is modified in response to maternal nutrient restriction (NR), resulting in a spectrum of fetal growth rates. Pregnant sheep carrying singleton fetuses and fed either 100% (n = 8) or 50% (NR; n = 28) of their National Research Council (NRC) recommended intake from days 35–135 of pregnancy were used to elucidate placentome transcriptome alterations at both day 70 and day 135. NR fetuses were further designated into upper (NR NonSGA; n = 7) and lower quartiles (NR SGA; n = 7) based on day 135 fetal weight. At day 70 of pregnancy, there were 22 genes dysregulated between NR SGA and 100% NRC placentomes, 27 genes between NR NonSGA and 100% NRC placentomes, and 22 genes between NR SGA and NR NonSGA placentomes. These genes mediated molecular functions such as MHC class II protein binding, signaling receptor binding, and cytokine activity. Gene set enrichment analysis (GSEA) revealed significant overrepresentation of genes for natural-killer-cell-mediated cytotoxicity in NR SGA compared to 100% NRC placentomes, and alterations in nutrient utilization pathways between NR SGA and NR NonSGA placentomes at day 70. Results identify novel factors associated with impaired function in SGA placentomes and potential for placentomes from NR NonSGA pregnancies to adapt to nutritional hardship.
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Affiliation(s)
- Chelsie B. Steinhauser
- Department of Animal Science, Texas A & M University, College Station, TX 77843, USA; (C.B.S.); (K.A.); (F.W.B.)
| | - Colleen A. Lambo
- Department of Veterinary Physiology and Pharmacology, Texas A & M University, College Station, TX 77843, USA;
| | - Katharine Askelson
- Department of Animal Science, Texas A & M University, College Station, TX 77843, USA; (C.B.S.); (K.A.); (F.W.B.)
| | - Gregory W. Burns
- Department of Obstetrics, Gynecology and Reproductive Biology, Michigan State University, Grand Rapids, MI 49503, USA;
| | - Susanta K. Behura
- Division of Animal Sciences, University of Missouri, Columbia, MO 65211, USA; (S.K.B.); (T.E.S.)
- Institute for Data Science and Informatics, University of Missouri, Columbia, MO 65211, USA
| | - Thomas E. Spencer
- Division of Animal Sciences, University of Missouri, Columbia, MO 65211, USA; (S.K.B.); (T.E.S.)
| | - Fuller W. Bazer
- Department of Animal Science, Texas A & M University, College Station, TX 77843, USA; (C.B.S.); (K.A.); (F.W.B.)
| | - Michael Carey Satterfield
- Department of Animal Science, Texas A & M University, College Station, TX 77843, USA; (C.B.S.); (K.A.); (F.W.B.)
- Correspondence: ; Tel.: +1-979-845-6448
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Matorras R, Valls R, Azkargorta M, Burgos J, Rabanal A, Elortza F, Mas JM, Sardon T. Proteomics based drug repositioning applied to improve in vitro fertilization implantation: an artificial intelligence model. Syst Biol Reprod Med 2021; 67:281-297. [PMID: 34126818 DOI: 10.1080/19396368.2021.1928792] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
Embryo implantation is one of the most inefficient steps in assisted reproduction, so the identifying drugs with a potential clinical application to improve it has a strong interest. This work applies artificial intelligence and systems biology-based mathematical modeling strategies to unveil potential treatments by computationally analyzing and integrating available molecular and clinical data from patients. The mathematical models of embryo implantation computationally generated here simulate the molecular networks underneath this biological process. Once generated, these models were analyzed in order to identify potential repositioned drugs (drugs already used for other indications) able to improve embryo implantation by modulating the molecular pathways involved. Interestingly, the repositioning analysis has identified drugs considering two endpoints: (1) drugs able to modulate the activity of proteins whose role in embryo implantation is already bibliographically acknowledged, and (2) drugs that modulate key proteins in embryo implantation previously predicted through a mechanistic analysis of the mathematical models. This second approach increases the scope open for examination and potential novelty of the repositioning strategy. As a result, a list of 23 drug candidates to improve embryo implantation after IVF was identified by the mathematical models. This list includes many of the compounds already tested for this purpose, which reinforces the predictive capacity of our approach, together with novel repositioned candidates (e.g., Infliximab, Polaprezinc, and Amrinone). In conclusion, the present study exploits existing molecular and clinical information to offer new hypotheses regarding molecular mechanisms in embryo implantation and therapeutic candidates to improve it. This information will be very useful to guide future research.Abbreviations: IVF: in vitro fertilization; EI: Embryo implantation; TPMS: Therapeutic Performance Mapping System; MM: mathematical models; ANN: Artificial Neuronal Networks; TNFα: tumour necrosis factor factor-alpha; HSPs: heat shock proteins; VEGF: vascular endothelial growth factor; PPARA: peroxisome proliferator activated receptor-α PXR: pregnane X receptor; TTR: transthyretin; BED: Biological Effectors Database; MLP: multilayer perceptron.
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Affiliation(s)
- Roberto Matorras
- Department of Obstetrics and Gynecology, University of the Basque Country, Bilbao, Spain.,IVIRMA Bilbao, Bilbao, Spain
| | | | - Mikel Azkargorta
- Proteomics Platform, CIC bioGUNE, Basque Research and Technology Alliance (BRTA), CIBERehd, ProteoRed-ISCIII, Bizkaia Science and Technology Park, Derio, Spain
| | - Jorge Burgos
- Biocruces Bizkaia Health Research Institute. Osakidetza. Cruces University Hospital, University of the Basque Country, Bilbao, Spain
| | - Aintzane Rabanal
- Department of Obstetrics and Gynecology, University of the Basque Country, Bilbao, Spain
| | - Felix Elortza
- Proteomics Platform, CIC bioGUNE, Basque Research and Technology Alliance (BRTA), CIBERehd, ProteoRed-ISCIII, Bizkaia Science and Technology Park, Derio, Spain
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Iron, iodine and vitamin D deficiencies during pregnancy: epidemiology, risk factors and developmental impacts. Proc Nutr Soc 2021; 80:290-302. [PMID: 33988109 DOI: 10.1017/s0029665121001944] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Micronutrient deficiency persists throughout the world, and although the burden is higher in low-resource settings, it is also prevalent in wealthy countries, a phenomenon termed 'hidden hunger'. Due to their high requirements for vitamins and minerals relative to their energy intake, young women and children are particularly vulnerable to hidden hunger. As they share several risk factors and impact on overlapping outcomes, we consider how deficiency of iron, iodine and vitamin D can have profound impacts on perinatal health and infant development. We review the epidemiology of these micronutrient deficiencies during pregnancy, including social, environmental and dietary risk factors. We identify the main challenges in defining nutritional status of these nutrients using validated diagnostic criteria linked with meaningful clinical outcomes. Public health strategies are urgently required to improve the overall health and nutritional status of women of reproductive age. Obesity prevention and early detection of malnutrition with standardised screening methods would detect pregnant women at increased risk of iron deficiency. Development of sensitive, individual biomarkers of iodine status is required to protect maternal health and fetal/infant brain development. Risk assessments of vitamin D requirements during pregnancy need to be revisited from the perspective of fetal and neonatal requirements. International consensus on standardised approaches to micronutrient assessment, analysis and reporting as well as sensitive, clinically validated infant and child neuro-behavioural outcomes will enable progression of useful observational and intervention studies.
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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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Stenhouse C, Halloran KM, Newton MG, Gaddy D, Suva LJ, Bazer FW. Novel mineral regulatory pathways in ovine pregnancy: II. Calcium-binding proteins, calcium transporters, and vitamin D signaling. Biol Reprod 2021; 105:232-243. [PMID: 33822885 DOI: 10.1093/biolre/ioab063] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2020] [Revised: 03/03/2021] [Accepted: 03/25/2021] [Indexed: 12/14/2022] Open
Abstract
Mineralization of the fetal mammalian skeleton requires a hypercalcemic gradient across the placenta from mother to fetus. However, the mechanisms responsible for maintaining the placental transport of calcium remain poorly understood. This study aimed to identify calcium and vitamin D regulatory pathway components in ovine endometria and placentae across gestation. Suffolk ewes were bred with fertile rams upon detection of estrus (Day 0). On Days 9, 12, 17, 30, 70, 90, 110, and 125 of pregnancy (n=3-14/Day), ewes were euthanized and hysterectomized. Calcium abundance was influenced by gestational day in uterine flushings and allantoic fluid (P<0.05). The expression of S100G, S100A9, S100A12, ATP2B3, ATP2B4, TRPV5, TRPV6, CYP11A1, CYP2R1, CYP24, and VDR mRNAs known to be involved in calcium binding, calcium transport, and vitamin D metabolism were quantified by qPCR. Mediators of calcium and vitamin D signaling were expressed by Day 17 conceptus tissue, and endometria and placentae across gestation. Gestational day influenced the expression of S100G, S100A9, S100A12, TRPV6, VDR, and CYP24 mRNAs in endometria and placentae (P<0.05). Gestational day influenced endometrial expression of ATP2B3, and placental expression of TRPV5, ATP2B4, and CYP11A1 (P<0.05). VDR protein localized to the endoderm and trophectoderm (Day 17 conceptus) and was expressed in endometria and placentae throughout gestation. The observed spatiotemporal profile suggests a potential role of calcium and vitamin D in the establishment of pregnancy and regulation of fetal and placental growth, providing a platform for further mechanistic investigation.
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Affiliation(s)
- Claire Stenhouse
- Department of Animal Science, Texas A&M University, College Station, TX, USA
| | | | - Makenzie G Newton
- Department of Animal Science, Texas A&M University, College Station, TX, USA
| | - Dana Gaddy
- Veterinary Integrative Biosciences, Texas A&M University, College Station, TX, USA
| | - Larry J Suva
- Veterinary Physiology and Pharmacology, Texas A&M University, College Station, TX, USA
| | - Fuller W Bazer
- Department of Animal Science, Texas A&M University, College Station, TX, USA
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Bezerra Espinola MS, Bilotta G, Aragona C. Positive effect of a new supplementation of vitamin D 3 with myo-inositol, folic acid and melatonin on IVF outcomes: a prospective randomized and controlled pilot study. Gynecol Endocrinol 2021; 37:251-254. [PMID: 32367738 DOI: 10.1080/09513590.2020.1760820] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
To assess whether oral supplementation of vitamin D3, myo-inositol, folic acid and melatonin affects IVF outcomes. One hundred and twenty consecutive infertile women attending IVF treatment were 1:1 randomly distributed in two groups. Women in group A (control) were assigned to receive myo-inositol, alpha-lactalbumin and folic acid in the morning, and myo-inositol, folic acid and melatonin in the evening. Women in group B (treated) were assigned to receive analogous treatment, with the addition of cholecalciferol (vitamin D3) in the evening from the early beginning of the luteal phase. 50 patients in group A and 50 in group B underwent blastocyst transfer and were considered in the statistical analysis. Vitamin D3 levels significantly increased after 45 days of treatment: 33.2 ng/ml in group B Vs. 24.3 ng/ml in group A (p < .0001). The implantation rate increased as well: 37.1% in group B Vs. 19.2% in group A (p < .0151). Overall, the results indicate that increased vitamin D3 levels positively correlate with the implantation rate in IVF. Because of the low number of participants, these findings need to be confirmed with larger cohorts of patients.
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Affiliation(s)
| | | | - Cesare Aragona
- cSystem Biology Group, University of Rome, Alma Res Fertility Center, Rome, Italy
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Vitamin D receptor gene polymorphisms and haplotypes in the etiology of recurrent miscarriages. Sci Rep 2021; 11:4646. [PMID: 33633340 PMCID: PMC7907056 DOI: 10.1038/s41598-021-84317-3] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2020] [Accepted: 02/09/2021] [Indexed: 12/27/2022] Open
Abstract
A few years ago it was shown that disturbed metabolism of the vitamin D/receptor (VD/VDR) complex may be important in the etiology of spontaneous abortion, as well as in the etiology of recurrent miscarriages (RM). The goal of this study was to investigate the association between four maternal VDR polymorphisms as well as haplotypes settings and RM occurrence in a Polish population of women in reproductive age. A total of 230 women were recruited to this study (110 with RM, 120 consecutively recruited age-matched healthy women with at least two full-term pregnancies and with no history of miscarriages). DNA samples were genotyped for VDR polymorphisms: FokI (rs2228570), BsmI (rs1544410), ApaI (rs7975232) and TaqI (rs731236). Significant differences in genotype distributions and allele frequencies between case and control groups were observed in VDR BsmI polymorphism (GG vs. GA and AA, OR = 0.56, p = 0.036 and OR = 1.49, p = 0.035, respectively). The best evidence of an association with RM prevention was observed for the TTGT haplotype, which was more frequent among controls than cases even after permutation test (0.09 vs. 0.017, p = 0.0024). Other haplotypes were also significantly more frequent in the control group: TGT (rs7975232, rs1544410, rs2228570), TG (rs7975232, rs1544410), TTG (rs731236, rs7975232, rs1544410), TT (rs731236, rs7975232). Our research indicated the possible role of VDR BsmI genetic polymorphism in RM etiology, suggesting at the same time the active role of maternal VD metabolism and its influence on pregnancy outcome. The significant influence of several maternal haplotypes was shown to prevent RM occurrence.
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Liu DY, Li RY, Fu LJ, Adu-Gyamfi EA, Yang Y, Xu Y, Zhao LT, Zhang TF, Bao HQ, Xu XO, Gao XH, Yang XN, Ding YB. SNP rs12794714 of CYP2R1 is associated with serum vitamin D levels and recurrent spontaneous abortion (RSA): a case-control study. Arch Gynecol Obstet 2021; 304:179-190. [PMID: 33625596 DOI: 10.1007/s00404-021-06004-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2020] [Accepted: 02/11/2021] [Indexed: 01/20/2023]
Abstract
PURPOSE Vitamin D (VD) deficiency seems to be associated with the risk of recurrent spontaneous abortion (RSA). Vitamin D receptor (VDR) and cytochrome P450 family 2 subfamily R member 1 (CYP2R1) are two genes which are vital for VD metabolism and actions. However, whether single-nucleotide polymorphisms (SNPs) in these genes are correlated with the risk of RSA are poorly understood. Therefore, we aimed to characterize the relationships among VDR SNPs, CYP2R1 SNPs and RSA. METHODS This case-control study enrolled 75 RSA patients and 83 controls. Serum VD and some cytokines were detected with LC-MS/MS and flow cytometry, respectively. Genotyping for three SNPs of CYP2R1 (rs10741657, rs10766197 and rs12794714) and five SNPs of VDR (rs7975232, rs1544410, rs2189480, rs2228570 and rs2239179) was done with polymerase chain reaction (PCR) and high-throughput sequencing. All the data were analyzed with appropriate methods and in different models. RESULTS The results revealed a significant correlation between the AG genotype of CYP2R1 rs12794714 and VD levels (OR 0.686; 95% CI 0.49-0.96; p = 0.028). Besides, the AG and GG genotypes of CYP2R1 rs12794714 were markedly related to the risk of RSA (OR 52.394, 59.497; 95% CI 2.683-1023.265, 3.110-1138.367; p = 0.009, 0.007, respectively). CONCLUSION Our results indicate that CYP2R1 rs12794714 might be a risk factor for RSA. Hence, early screening of pregnant women for CYP2R1 rs12794714 is necessary to warrant proactive counseling and treatment against RSA.
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Affiliation(s)
- Ding-Yuan Liu
- The Joint International Research Laboratory of Reproduction and Development, Ministry of Education, Department of Reproductive Biology, School of Public Health and Management, Chongqing Medical University, Chongqing, 400016, People's Republic of China
| | - Ren-Yan Li
- NHC Key Laboratory of Birth Defects and Reproductive Health, Chongqing Population and Family Planning Science and Technology Research Institute, Chongqing, 401120, People's Republic of China
| | - Li-Juan Fu
- Department of Pharmacology, School of Traditional Chinese Medicine, Chongqing Medical University, Chongqing, 400016, People's Republic of China
| | - Enoch Appiah Adu-Gyamfi
- The Joint International Research Laboratory of Reproduction and Development, Ministry of Education, Department of Reproductive Biology, School of Public Health and Management, Chongqing Medical University, Chongqing, 400016, People's Republic of China
| | - Yin Yang
- Department of Epidemiology, School of Public Health and Management, Chongqing Medical University, Chongqing, 400016, People's Republic of China
| | - Ying Xu
- Department of Epidemiology, School of Public Health and Management, Chongqing Medical University, Chongqing, 400016, People's Republic of China
| | - Le-Tian Zhao
- NHC Key Laboratory of Birth Defects and Reproductive Health, Chongqing Population and Family Planning Science and Technology Research Institute, Chongqing, 401120, People's Republic of China
| | - Tian-Feng Zhang
- NHC Key Laboratory of Birth Defects and Reproductive Health, Chongqing Population and Family Planning Science and Technology Research Institute, Chongqing, 401120, People's Republic of China
| | - Hua-Qiong Bao
- Affiliated Hospital of Chongqing Academy of Population and Family Planning, Chongqing, 400020, People's Republic of China
| | - Xiao-Ou Xu
- Affiliated Hospital of Chongqing Academy of Population and Family Planning, Chongqing, 400020, People's Republic of China
| | - Xiao-Han Gao
- NHC Key Laboratory of Birth Defects and Reproductive Health, Chongqing Population and Family Planning Science and Technology Research Institute, Chongqing, 401120, People's Republic of China
| | - Xue-Niu Yang
- Affiliated Hospital of Chongqing Academy of Population and Family Planning, Chongqing, 400020, People's Republic of China.
| | - Yu-Bin Ding
- The Joint International Research Laboratory of Reproduction and Development, Ministry of Education, Department of Reproductive Biology, School of Public Health and Management, Chongqing Medical University, Chongqing, 400016, People's Republic of China.
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Yuan X, Guo L, Jiang C, Yang X, Huang J. The Effect of Different Administration Time and Dosage of Vitamin D Supplementation in Patients with Multiple Sclerosis: A Meta-Analysis of Randomized Controlled Trials. Neuroimmunomodulation 2021; 28:118-128. [PMID: 34218221 DOI: 10.1159/000515131] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/17/2020] [Accepted: 02/07/2021] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND Despite the vitamin D treatment in patients with multiple sclerosis (MS), there continues to be controversial discrepancy in outcomes according to the current research. Many systematic reviews have evaluated the effect of vitamin D as an adjuvant treatment in patients with MS; however, there is no consensus on the optimum administration time and dosage of vitamin D intake. A meta-analysis for exploring the different administration time and dosage of vitamin D is warranted. METHODS Randomized controlled trials (RCTs) on the effect of different administration time and dosage of vitamin D in patients with MS were recorded within 7 databases. This meta-analysis was performed with 2 clinical outcomes: EDSS (Expanded Disability Status Scale) and relapses during research. RESULTS The pooled results indicated that receiving different administration time and dosage of vitamin D as an adjuvant treatment had no significant therapeutic effect on MS according to the EDSS scores and relapses during research. CONCLUSION According to our meta-analysis, the administration of vitamin D in different dosages (ranging from 2,857 to 14,007 IU/day) and treatment period (ranging from 6 to 24 months) did not affect the clinical outcomes (EDSS and relapses during research) in patients with MS. Additional RCTs should be conducted to explore whether a longer duration and a larger dosage of vitamin D without serious adverse effects might produce therapeutic effects in patients with MS.
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Affiliation(s)
- Xiaofan Yuan
- The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Lei Guo
- Sichuan Provincial People's Hospital, Chengdu, China
| | - Chuan Jiang
- Sichuan Provincial People's Hospital, Chengdu, China
| | - Xu Yang
- Sichuan Provincial People's Hospital, Chengdu, China
| | - Jie Huang
- Sichuan Provincial People's Hospital, Chengdu, China
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Bakleicheva M, Bespalova O, Kovaleva I. Features of the 1st trimester of pregnancy course with severe deficiency of 25(OH)D. Gynecol Endocrinol 2021; 37:49-53. [PMID: 34937507 DOI: 10.1080/09513590.2021.2006527] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/19/2022] Open
Abstract
INTRODUCTION The course of physiological pregnancy is provided by many complementary factors. Thus, a deficiency in one of the links of the metabolic network contributes to the development of an imbalance in the work of the whole organism, which ensures the growth and development of the embryo from the first days of gestation. It has been demonstrated that vitamin D can act as an immune regulator during implantation, providing a protective effect in the entire period of pregnancy. OBJECTIVE The aim of this study is to assess the features of the course of pregnancy in patients with different levels of vitamin D in the blood in the first trimester. MATERIALS AND METHODS A prospective multicenter randomized study was conducted in the North-West region of the Russian Federation among 88 pregnant women in the first trimester of gestation (up to 13 weeks). All patients were divided into 3 groups depending on the initial level of vitamin D (group 1-14 women with a 25(OH)D < 10 ng/ml, group 2-62 pregnant women from 10 to 30 ng/ml, group 3-12 pregnant women with a vitamin D content >30 ng/ml). INTERVENTIONS Criteria of inclusion: pregnant women from 20 to 44 years of the first trimester of gestation (up to 13 weeks) with the studied level of vitamin D in the blood serum; singleton pregnancy; BMI ≤30 kg/m2; signing by the patient of informed consent for inclusion in the study group. MAIN OUTCOME MEASURES AND RESULTS In group 1, 86% of patients with severe vitamin D deficiency were diagnosed with threatened miscarriage, which is significantly higher than in group 3 (85.7% and 33.3%, χ2 = 7.490, p = .007). At the same time, retrochorial hematoma in group 1 occurred 3.5 times more often than in group 3 (57.1% and 16.67%, respectively, χ2 = 4.473, p = .035). Subsequently, every 4th woman from the group with vitamin D deficiency gave birth earlier than expected, which was not observed among patients from group 3 (25%, 0%, χ2 = 1.231, p = .268). CONCLUSION Prescribing cholecalciferol vitamin replacement therapy as part of complex preserving therapy for threatening miscarriage, followed by monitoring its blood level and deviating from normal parameters, contributing to a favorable course of pregnancy and improving perinatal outcomes.
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Affiliation(s)
- M Bakleicheva
- "The Research Institute of Obstetrics, Gynecology and Reproductology Named After D.O.Ott", Saint-Petersburg, Russia
| | - O Bespalova
- "The Research Institute of Obstetrics, Gynecology and Reproductology Named After D.O.Ott", Saint-Petersburg, Russia
| | - I Kovaleva
- OOO "AVA-PETER", Saint-Petersburg, Russia
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El-Husseny M, Ismail ElS A, Eldeeb SM, Taha HS, A. Omar A. Impact of Maternal Vitamin D Receptor (VDR) Gene Polymorphisms on Spontaneous Preterm Birth (Egyptian Case-Control Study). JOURNAL OF MEDICAL SCIENCES 2021. [DOI: 10.3923/jms.2021.9.16] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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Lisi G, Ribolsi M, Siracusano A, Niolu C. Maternal Vitamin D and its Role in Determining Fetal Origins of Mental Health. Curr Pharm Des 2020; 26:2497-2509. [PMID: 32370709 DOI: 10.2174/1381612826666200506093858] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2020] [Accepted: 04/26/2020] [Indexed: 12/21/2022]
Abstract
There is evidence that mental health disorders may have roots in fetal life and are associated with deficiencies in various micronutrients, including vitamin D. During pregnancy, vitamin D balance is influenced by an increase in maternal calcitriol and a substantial increase in maternal Vitamin D Binding Protein concentrations. In the early stages of life, vitamin D is necessary to mediate numerous brain processes such as proliferation, apoptosis, and neurotransmission. Furthermore, Vitamin D has a recognized anti-inflammatory activity that normally suppresses inflammation. Increased activation of hypothalamo-pituitary-adrenal axis (HPA) and inflammation during gestation may influence maternal health and fetal neurodevelopment during and beyond pregnancy. A deficit of Vitamin D and maternal stressful events during gestation, such as perinatal depression, could influence the efficacy of the immune system altering its activity. Vitamin D deficiency during gestation associated with a reduction in fetal brain development has been widely described and correlated with alteration in the production of the brain-derived neurotrophic factor. To this regard, many studies highlights that low maternal vitamin D dosage during gestation has been related to a significantly greater risk to develop schizophrenia and other severe mental illnesses in later life. The objective of this paper is a comprehensive overview of maternal vitamin D balance in determining the fetal origins of mental health with some references to the link between vitamin D levels, inflammatory responses to stress and mental disorders in adult life.
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Affiliation(s)
- Giulia Lisi
- Chair of Psychiatry, Department of Systems Medicine, University of Rome Tor Vergata, Rome, Italy.,Department of Mental Health, ASL ROMA 1, Rome, Italy
| | - Michele Ribolsi
- Chair of Psychiatry, Department of Systems Medicine, University of Rome Tor Vergata, Rome, Italy.,Policlinico Tor Vergata Foundation, Rome, Italy
| | - Alberto Siracusano
- Chair of Psychiatry, Department of Systems Medicine, University of Rome Tor Vergata, Rome, Italy.,Policlinico Tor Vergata Foundation, Rome, Italy
| | - Cinzia Niolu
- Chair of Psychiatry, Department of Systems Medicine, University of Rome Tor Vergata, Rome, Italy.,Policlinico Tor Vergata Foundation, Rome, Italy
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Lower placental 25-hydroxyvitamin D 3 (25(OH)D 3) and higher placental CYP27B1 and 25(OH)D 3 ratio in preterm birth. J Nutr Sci 2020; 9:e50. [PMID: 33244402 PMCID: PMC7681105 DOI: 10.1017/jns.2020.42] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2020] [Revised: 09/22/2020] [Accepted: 10/07/2020] [Indexed: 01/04/2023] Open
Abstract
Neonatal mortality rates in Indonesia are still at an alarming rate, with preterm birth as one of the causes. Nutritional deficiencies such as low level of vitamin D is suspected to be the risk factors of preterm birth but still a little knowledge about it. Vitamin D metabolism includes 25-hydroxyvitamin D3 (25(OH)D3) and 1,25-dihydroxyvitamin D3 (1,25(OH)2D3), as the inactive and active form, with the help of 1α-hydroxylase (CYP27B1) enzyme. Our study aims to determine the differences of 25(OH)D3, 1,25(OH)2D3 and CYP27B1 enzyme in term and preterm birth. A cross-sectional study was performed in Cipto Mangunkusumo National General Hospital, Jakarta, Indonesia, in January–June 2017. The blood sample was taken soon after delivery, to examine maternal 25(OH)D3 and 1,25(OH)2D3 in serum and tissue placenta, as well as placental CYP27B1 enzyme. Statistical analysis using SPPS version 20 was used to find significances. There were a total of sixty subjects in this study, with term-preterm birth group ratio 1:1. We found that placental 25(OH)D3 was significantly low (P = 0⋅001), and CYP27B1/25(OH)D3 ratio was high in preterm birth. Also, there were significant negative correlations found in CYP27B1 level and both placental 25(OH)D3 (r 0⋅481, P < 0⋅001) and 1,25(OH)2D3 (r −0⋅365, P = 0⋅004) levels. Our study concludes that preterm birth showed lower placental 25(OH)D3 status, and higher CYP27B1/25(OH)D3 ratio compared to term pregnancy.
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Berhan Y. What immunological and hormonal protective factors lower the risk of COVID-19 related deaths in pregnant women? J Reprod Immunol 2020; 142:103180. [PMID: 32739645 PMCID: PMC7368414 DOI: 10.1016/j.jri.2020.103180] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2020] [Revised: 07/09/2020] [Accepted: 07/16/2020] [Indexed: 02/06/2023]
Abstract
Despite anticipated increased risk of COVID-19 and increased expression of the SARS CoV-2 receptor (ACE2), the relatively low mortality of pregnant women with COVID-19 has been an area of wonder. The immunological changes predominantly inclining to anti-inflammatory state, which is augmented by placental hormones' immune modulating action, looks against with COVID-19 inflammatory reaction leading to cytokine storm and multiple organ failure. Unlike many other viral infections, the bilateral immune activation of COVID-19 may preferentially make pregnant women at low risk. Taking the physiological advantage of pregnant women, potential clinical trials are proposed. Quite a large number of epidemiological and obstetrics related studies have addressed the cases of women with COVID-19. However, to the best of the author's knowledge, little is done to explore the physiological internal milieu of pregnant women in relation to COVID-19. This review provides an insight into how the hormonal and immunological changes in pregnancy potentially reduce SARS-CoV-2-mediated inflammatory response.
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Affiliation(s)
- Yifru Berhan
- St. Paul's Hospital Millennium Medical College, Ethiopia.
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Wang Y, Wang T, Huo Y, Liu L, Liu S, Yin X, Wang R, Gao X. Placenta expression of vitamin D and related genes in pregnant women with gestational diabetes mellitus. J Steroid Biochem Mol Biol 2020; 204:105754. [PMID: 32946925 DOI: 10.1016/j.jsbmb.2020.105754] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/28/2020] [Revised: 08/08/2020] [Accepted: 09/07/2020] [Indexed: 12/19/2022]
Abstract
OBJECTIVES AND METHODS A total of 41 GDM and 40 normal glucose tolerance subjects were recruited. Through detecting the level of Serum vitamin D with electrochemical luminescence and vitamin D receptor (VDR) with Enzyme-linked immunosorbent assay (ELISA) in maternal and cord blood, the expression leves of CYP24A1, CYP27B1, VDR protein and mRNA in placenta and umbilical cord with western blotting and RT-PCR, and the DNA methylation levels of CYP24A1 and CYP27B1 gene in placenta with methylation-specific PCR (MSP) and direct bisulfite sequencing (BSP) analysis to explore the potential role of the vitamin D and its related genes in gestational diabetes mellitus (GDM). RESULTS Serum vitamin D concentrations were significantly higher in normal pregnant than women with GDM in maternal blood (P < 0.01) and cord blood (P = 0.014). Compared to the control group, the expression levels of CYP24A1 protein (P < 0.01) and mRNA (P = 0.021) and VDR protein (P = 0.026) and mRNA (P = 0.023) in the GDM group were significantly higher in placenta and umbilical cord tissues (P = 0.015, P < 0.01, P = 0.028, P < 0.01, respectively), while that of CYP27B1 protein (P < 0.01) and mRNA (P = 0.042) was significantly lower (P = 0.022, P = 0.032, respectively). Moreover, partial DNA methylation of CYP24A1 and CYP27B1 genes was observed in both GDM and control groups. CONCLUSIONS Vitamin D deficiency participates in the pathogenesis of GDM, and changes in the expression of genes related to the vitamin D metabolic pathway are closely related to vitamin D levels in the pregnancy and fetus. However, DNA methylation of CYP24A1 and CYP27B1 might not be involved in the pathogenesis of GDM.
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Affiliation(s)
- Yanyan Wang
- Department of Obstetrics & Gynecology, Hebei General Hospital, Shijiazhuang 050051, China
| | - Tian Wang
- Department of Obstetrics & Gynecology, Hebei General Hospital, Shijiazhuang 050051, China
| | - Yan Huo
- Department of Obstetrics & Gynecology, Hebei General Hospital, Shijiazhuang 050051, China.
| | - Li Liu
- Department of Obstetrics & Gynecology, Hebei General Hospital, Shijiazhuang 050051, China
| | - Suxin Liu
- Department of Obstetrics & Gynecology, Hebei General Hospital, Shijiazhuang 050051, China
| | - Xiaoqian Yin
- Department of Obstetrics & Gynecology, Hebei General Hospital, Shijiazhuang 050051, China
| | - Runfang Wang
- Department of Obstetrics & Gynecology, Hebei General Hospital, Shijiazhuang 050051, China
| | - Xingshuang Gao
- Department of Obstetrics & Gynecology, Hebei General Hospital, Shijiazhuang 050051, China
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Boucher BJ. Why do so many trials of vitamin D supplementation fail? Endocr Connect 2020; 9:R195-R206. [PMID: 33052876 PMCID: PMC7487184 DOI: 10.1530/ec-20-0274] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/17/2020] [Accepted: 08/11/2020] [Indexed: 12/12/2022]
Abstract
Our knowledge of vitamin D has come a long way since the 100 years it took for doctors to accept, between 1860 and 1890, that both sunlight and cod liver oil (a well-known folk remedy) cured and prevented rickets. Vitamins D2/D3 were discovered exactly a hundred years ago, and over the last 50 years vitamin D has been found to have many effects on virtually all human tissues and not just on bone health, while mechanisms affecting the actions of vitamin D at the cellular level are increasingly understood, but deficiency persists globally. Observational studies in humans have shown that better provision of vitamin D is strongly associated, dose-wise, with reductions in current and future health risks in line with the known actions of vitamin D. Randomised controlled trials, commonly accepted as providing a 'gold standard' for assessing the efficacy of new forms of treatment, have frequently failed to provide supportive evidence for the expected health benefits of supplementation. Such RCTs, however, have used designs evolved for testing drugs while vitamin D is a nutrient; the appreciation of this difference is critical to identifying health benefits from existing RCT data and for improving future RCT design. This report aims, therefore, to provide a brief overview of the evidence for a range of non-bony health benefits of vitamin D repletion; to discuss specific aspects of vitamin D biology that can confound RCT design and how to allow for them.
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Affiliation(s)
- Barbara J Boucher
- Blizard Institute, Barts & The London school of Medicine & Dentistry, Queen Mary University of London, London, UK
- Correspondence should be addressed to B J Boucher:
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Relationships between Total, Free and Bioavailable Vitamin D and Vitamin D Binding Protein in Early Pregnancy with Neonatal Outcomes: A Retrospective Cohort Study. Nutrients 2020; 12:nu12092495. [PMID: 32824958 PMCID: PMC7551024 DOI: 10.3390/nu12092495] [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: 07/15/2020] [Revised: 08/11/2020] [Accepted: 08/17/2020] [Indexed: 12/27/2022] Open
Abstract
Maternal vitamin D deficiency has been associated with adverse neonatal outcomes, however, existing results are inconsistent. Current data focus on total 25-hydroxyvitamin D (25(OH)D) as the common measure of vitamin D status, while additional measures including vitamin D-binding protein (VDBP) and free and bioavailable metabolites have not been explored in relation to neonatal outcomes. We examined whether VDBP and total, free, and bioavailable vitamin D metabolites in early pregnancy are associated with subsequent neonatal outcomes. In this retrospective analysis of 304 women in early pregnancy (<20 weeks gestation), demographic and anthropometric data were collected and total 25(OH)D (chemiluminescent assay), VDBP (polyclonal enzyme-linked immunosorbent assay (ELISA)) and albumin (automated colorimetry) were measured in bio-banked samples. Free and bioavailable 25(OH)D were calculated using validated formulae. Neonatal outcomes were derived from a medical record database. Higher maternal total and free 25(OH)D concentrations were associated with higher neonatal birthweight (β = 5.05, p = 0.002 and β = 18.06, p = 0.02, respectively), including after adjustment for maternal covariates including age, body mass index (BMI) and ethnicity (all p ≤ 0.04). Higher total 25(OH)D and VDBP concentrations were associated with a lower likelihood of neonatal jaundice (odds ratio [OR] [95%CI] = 0.997 [0.994, 1.000], p = 0.04 and 0.98 [0.96, 0.99], p = 0.03, respectively), but these were attenuated after adjustment for the above maternal covariates (both p = 0.09). Our findings suggest a novel association between free 25(OH)D and neonatal birthweight. Total 25(OH)D concentrations were also associated with birthweight, and both total 25(OH)D and VDBP were associated with jaundice, but the latter were not significant after adjustment. These results suggest a potential link between these metabolites and neonatal outcomes; however, further large-scale prospective studies are warranted.
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46
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Ibrahim HA. Relationship Between Helicobacter pylori Infection, Serum Vitamin D3 Level and Spontaneous Abortion. Int J Gen Med 2020; 13:469-476. [PMID: 32801841 PMCID: PMC7395681 DOI: 10.2147/ijgm.s251075] [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: 02/24/2020] [Accepted: 07/02/2020] [Indexed: 11/23/2022] Open
Abstract
Background The effects of vitamin D3 (VD3) on pregnancy outcomes remain obscure. Thus, this study aims to investigate the relationship between maternal H. pylori infection, low VD3 level, and spontaneous abortion. Methods This research is conducted in Shahid Ali Qader Consultant Clinic in Sulaimaniyah city in which 100 women with a history of abortion and 100 women with no history of miscarriage were included. Serum detection of anti-H. pyloriIgG, IgA, and VD3 were done using enzyme-linked immunosorbent assay (ELISA) technique. Results The mean of VD3, H. pylori IgG, and IgAin patients and control group cases was determined and analyzed statistically. Conclusion H. pylori infection and VD3 play a significant role in early pregnancy loss. Blood group A and O are more prone to spontaneous abortion.
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Zauner G, Girardi G. Potential causes of male and female infertility in Qatar. J Reprod Immunol 2020; 141:103173. [PMID: 32652349 DOI: 10.1016/j.jri.2020.103173] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2020] [Revised: 06/14/2020] [Accepted: 06/22/2020] [Indexed: 12/13/2022]
Abstract
A steady decline in the fertility rate has been observed in Qatar during the past fifty years. Therefore, infertility is considered a national priority in Qatar, a pronatalist society. This review article summarises the potential causes of infertility that are particularly prevalent in the Qatari population. The high rate of consanguinity leading to genetic abnormalities, the high incidence of metabolic disease, environmental contamination due to the rapid urbanization and oil and natural gas extraction procedures are discussed. In addition, the particular lifestyle of the Qatari population and the influence of religion and culture on sexual and reproductive behavior in an Arab/Islamic society are considered. The active response of the state of Qatar in implementing ways to mitigate the effects of these factors to protect fertility are also presented.
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Affiliation(s)
- Gerhild Zauner
- Department of Basic Medical Sciences, College of Medicine, Member of QU Health, Qatar University, Doha, Qatar
| | - Guillermina Girardi
- Department of Basic Medical Sciences, College of Medicine, Member of QU Health, Qatar University, Doha, Qatar.
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48
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Kiely ME, Wagner CL, Roth DE. Vitamin D in pregnancy: Where we are and where we should go. J Steroid Biochem Mol Biol 2020; 201:105669. [PMID: 32302652 DOI: 10.1016/j.jsbmb.2020.105669] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/08/2019] [Revised: 03/18/2020] [Accepted: 04/02/2020] [Indexed: 01/06/2023]
Abstract
Vitamin D deficiency has been widely reported among pregnant women and infants around the world. Women with low sun exposure, high BMI, low vitamin D intakes and socioeconomic disadvantage with poor quality diets are at greatest risk of vitamin D deficiency, leading to very low serum concentrations of 25-hydroxyvitamin D (25(OH)D) in their offspring and an increased risk of nutritional rickets. Many observational studies, supported by compelling in vitro and in vivo data, have generated evidence suggesting that low vitamin D status in pregnancy may also contribute to the risk of adverse perinatal outcomes including hypertensive disorders (e.g., preeclampsia), fetal growth restriction, and preterm birth. However, the few large randomized controlled trials (RCTs) conducted to date have generated conflicting evidence for a role of vitamin D supplementation in improving perinatal outcomes. Vitamin D supplementation policies during pregnancy and implementation of policies vary within and between jurisdictions. Regulatory authorities have cited insufficient evidence to establish pregnancy-specific targets for serum 25(OH)D concentrations or prenatal vitamin D intake that effectively reduce the risks of adverse perinatal and infant outcomes. This paper arises from a Debate on Vitamin D Requirements during Pregnancy, held at the 22nd Vitamin D Workshop, 2019. From varied perspectives, our objectives were to evaluate the evidence for: vitamin D metabolism in pregnancy and the prevalence of gestational vitamin D deficiency worldwide; the translation of laboratory research findings to clinical studies on the role of vitamin D in perinatal health; the challenges of designing and conducting clinical trials to establish prenatal vitamin D requirements; and results to date of major large RCTs of prenatal vitamin D supplementation. Lastly, we explored potential next steps towards generating robust clinical data in this field to address both public health protection and patient care.
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Affiliation(s)
- M E Kiely
- Cork Centre for Vitamin D and Nutrition Research, School of Food and Nutritional Sciences, University College Cork, Ireland; INFANT Research Centre, University College Cork, Ireland.
| | - C L Wagner
- Division of Neonatology, Medical University of South Carolina, Charleston, SC 29425, United States
| | - D E Roth
- Department of Pediatrics, The Hospital for Sick Children, Toronto, ON, Canada
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Nandi A, Wadhwani N, Randhir K, Wagh G, Joshi SR. Association of vitamin D with fatty acids in pregnancy. Prostaglandins Leukot Essent Fatty Acids 2020; 157:102030. [PMID: 31753523 DOI: 10.1016/j.plefa.2019.102030] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/15/2019] [Accepted: 11/05/2019] [Indexed: 12/24/2022]
Abstract
Preeclampsia is a pregnancy complication, associated with an increased risk of maternal and neonatal morbidity and mortality. The etiology of preeclampsia is not yet fully understood, although the current literature indicates an up regulation of inflammatory mediators. Vitamin D is known to have anti-inflammatory properties and influence vascular function. Fatty acids are also known to regulate inflammation in pregnancy. This study was carried out to explore the association of maternal vitamin D and fatty acids in pregnancy. The present study includes 69 normotensive control (NC) and 50 women with preeclampsia (PE). Maternal and cord serum 25-hydroxyvitamin D [25(OH)D] levels were lower (p<0.01for both) in women with PE compared to NC women. Maternal plasma total polyunsaturated fatty acids (PUFA) levels were lower (p<0.05) while levels of total saturated fatty acids (SFA) and total monounsaturated fatty acids (MUFA) were higher (p<0.05 for both) in women with PE. Cord erythrocyte PUFA levels were higher (p<0.01) in PE women. Maternal 25(OH)D levels were negatively associated with maternal systolic and diastolic BP (p<0.01 for both). Maternal 25(OH)D levels were positively associated with maternal total PUFA (p<0.01) and negatively associated with maternal total SFA (p<0.05), total MUFA (p<0.01). This study for the first time demonstrates an association of maternal vitamin D with fatty acid levels in pregnancy. Our results suggest that vitamin D and fatty acids may work in concert to regulate fetal growth.
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Affiliation(s)
- A Nandi
- Mother and Child Health, Interactive Research School for Health Affairs (IRSHA), Bharati Vidyapeeth (Deemed to be University), Pune Satara Road, Pune, Maharashtra 411043, India
| | - N Wadhwani
- Mother and Child Health, Interactive Research School for Health Affairs (IRSHA), Bharati Vidyapeeth (Deemed to be University), Pune Satara Road, Pune, Maharashtra 411043, India
| | - K Randhir
- Mother and Child Health, Interactive Research School for Health Affairs (IRSHA), Bharati Vidyapeeth (Deemed to be University), Pune Satara Road, Pune, Maharashtra 411043, India
| | - G Wagh
- Department of Obstetrics and Gynaecology, Bharati Medical College and Hospital, Bharati Vidyapeeth (Deemed to be University), Pune Satara Road, Pune, Maharashtra 411043, India
| | - S R Joshi
- Mother and Child Health, Interactive Research School for Health Affairs (IRSHA), Bharati Vidyapeeth (Deemed to be University), Pune Satara Road, Pune, Maharashtra 411043, India.
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50
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Firmal P, Shah VK, Chattopadhyay S. Insight Into TLR4-Mediated Immunomodulation in Normal Pregnancy and Related Disorders. Front Immunol 2020; 11:807. [PMID: 32508811 PMCID: PMC7248557 DOI: 10.3389/fimmu.2020.00807] [Citation(s) in RCA: 52] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2020] [Accepted: 04/08/2020] [Indexed: 12/12/2022] Open
Abstract
Unlike organ transplants where an immunosuppressive environment is required, a successful pregnancy involves an extremely robust, dynamic, and responsive maternal immune system to maintain the development of the fetus. A specific set of hormones and cytokines are associated with a particular stage of pregnancy. Any disturbance that alters this fine balance could compromise the development and function of the placenta. Although there are numerous underlying causes of pregnancy-related complications, untimely activation of Toll-like receptors (TLR), primarily TLR4, by intrauterine microbes poses the greatest risk. TLR4 is an important Pattern Recognition Receptor (PRR), which activates both innate and adaptive immune cells. TLR4 activation by LPS or DAMPs leads to the production of pro-inflammatory cytokines via the MyD88 dependent or independent pathway. Immune cells modulate the materno–fetal interface by TLR4-mediated cytokine production, which changes at different stages of pregnancy. In most pregnancy disorders, such as PTB, PE, or placental malaria, the TLR4 expression is upregulated in immune cells or in maternal derived cells, leading to the aberrant production of pro-inflammatory cytokines at the materno–fetal interface. Lack of functional TLR4 in mice has reduced the pro-inflammatory responses, leading to an improved pregnancy, which further strengthens the fact that abnormal TLR4 activation creates a hostile environment for the developing fetus. A recent study proposed that endothelial and perivascular stromal cells should interact with each other in order to maintain a homeostatic balance during TLR4-mediated inflammation. It has been reported that depleting immune cells or supplying anti-inflammatory cytokines can prevent PTB, PE, or fetal death. Blocking TLR4 signaling or its downstream molecule by inhibitors or antagonists has proven to improve pregnancy-related complications to some extent in clinical and animal models. To date, there has been a lack of knowledge regarding whether TLR4 accessories such as CD14 and MD-2 are important in pregnancy and whether these accessory molecules could be promising drug targets for combinatorial treatment of various pregnancy disorders. This review mainly focuses on the activation of TLR4 during pregnancy, its immunomodulatory functions, and the upcoming advancement in this field regarding the improvement of pregnancy-related issues by various therapeutic approaches.
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Affiliation(s)
- Priyanka Firmal
- National Centre for Cell Science, S. P. Pune University Campus, Pune, India
| | - Vibhuti Kumar Shah
- National Centre for Cell Science, S. P. Pune University Campus, Pune, India
| | - Samit Chattopadhyay
- National Centre for Cell Science, S. P. Pune University Campus, Pune, India.,Department of Biological Sciences, BITS Pilani, K. K. Birla Goa Campus, Goa, India.,Indian Institute of Chemical Biology, Kolkata, India
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