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Zhou L, Wang J, Wu H, Yu P, He Z, Tan Y, Wu Y, Song X, Chen X, Wang Y, Yang Q. Serum levels of vitamin B12 combined with folate and plasma total homocysteine predict ischemic stroke disease: a retrospective case-control study. Nutr J 2024; 23:76. [PMID: 39010125 PMCID: PMC11251244 DOI: 10.1186/s12937-024-00977-7] [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: 01/17/2024] [Accepted: 07/04/2024] [Indexed: 07/17/2024] Open
Abstract
PURPOSE This study aimed to identify and quantify the association and investigate whether serum vitamin B12 alone or vitamin B12 combined with folate and plasma total homocysteine (tHcy) levels could be used to predict the risk of acute ischemic stroke. MATERIALS AND METHODS This retrospective case-control study was conducted in the Department of Neurology, First Affiliated Hospital of Chongqing Medical University. It included 259 inpatients experiencing their first-ever acute ischemic stroke and 259 age-matched, sex-matched healthy controls. Patients were categorized into groups based on the etiology of their stroke: large-artery atherosclerosis (LAAS, n = 126), cardio embolism (CEI, n = 35), small vessel disease (SVD, n = 89), stroke of other determined etiology (ODE, n = 5), and stroke of undetermined etiology (UDE, n = 4). The associations of serum vitamin B12, folate, and plasma tHcy levels with the risk of ischemic stroke were evaluated using multivariable logistic regression analysis. Receiver operator characteristic (ROC) curves were used to assess the diagnostic power of vitamin B12, folate, and tHcy levels for ischemic stroke. RESULTS Serum vitamin B12 and folate levels were significantly lower in ischemic stroke patients compared to controls, while plasma tHcy levels were significantly higher. The first quartile of serum vitamin B12 levels was significantly associated with an increased risk of LAAS (aOR = 2.289, 95% CI = 1.098-4.770), SVD (aOR = 4.471, 95% CI = 1.110-4.945) and overall ischemic stroke (aOR = 3.216, 95% CI = 1.733-5.966). Similarly, the first quartile of serum folate levels was associated with an increased risk of LAAS (aOR = 3.480, 95% CI = 1.954-6.449), CEI (aOR = 2.809, 95% CI = 1.073-4.991), SVD (aOR = 5.376, 95% CI = 1.708-6.924), and overall ischemic stroke (aOR = 3.381, 95% CI = 1.535-7.449). The fourth quartile of tHcy levels was also significantly associated with an increased risk of LAAS (aOR = 2.946, 95% CI = 1.008-5.148), CEI (aOR = 2.212, 95% CI = 1.247-5.946), SVD (aOR = 2.957, 95% CI = 1.324-6.054), and overall ischemic stroke (aOR = 2.233, 95% CI = 1.586-4.592). For predicting different types of ischemic stroke, vitamin B12 alone demonstrated the best diagnostic value for SVD, evidenced by a sensitivity of 71.0% and negative predictive value of 90.3%, along with the highest positive likelihood ratio (+ LR) for SVD. Vitamin B12 + tHcy + folate are valuable in predicting different types of ischemic stroke, with the most significant effect observed in SVD, followed by LAAS, and the weakest predictive effect in CEI. Additionally, vitamin B12 alone in combination with other indicators, such as folate alone, tHcy alone, and folate + tHcy could reduce negative likelihood ratio (-LR) and improve + LR. CONCLUSIONS Vitamin B12 was an independent risk factor for acute ischemic stroke. The risk calculation model constructed with vitamin B12 + tHcy + folate had the greatest diagnostic value for SVD.
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Affiliation(s)
- Li Zhou
- Department of Neurology, the First Affiliated Hospital of Chongqing Medical University, 1 Youyi Road, Yuzhong District, Chongqing, 400016, China
| | - Jiani Wang
- Department of Neurology, the First Affiliated Hospital of Chongqing Medical University, 1 Youyi Road, Yuzhong District, Chongqing, 400016, China
| | - Haiyun Wu
- Department of Neurology, the First Affiliated Hospital of Chongqing Medical University, 1 Youyi Road, Yuzhong District, Chongqing, 400016, China
| | - Pingping Yu
- Physical Examination Center, the Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Zhongxiang He
- Physical Examination Center, the Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Yongjun Tan
- Department of Neurology, the First Affiliated Hospital of Chongqing Medical University, 1 Youyi Road, Yuzhong District, Chongqing, 400016, China
| | - Youlin Wu
- Department of Neurology, the First Affiliated Hospital of Chongqing Medical University, 1 Youyi Road, Yuzhong District, Chongqing, 400016, China
- Department of Neurology, Chongzhou People's Hospital, Sichuan, China
| | - Xiaosong Song
- Department of Neurology, the First Affiliated Hospital of Chongqing Medical University, 1 Youyi Road, Yuzhong District, Chongqing, 400016, China
- Department of Neurology, the Ninth People's Hospital of Chongqing, Chongqing, China
| | - Xia Chen
- Department of Neurology, the First Affiliated Hospital of Chongqing Medical University, 1 Youyi Road, Yuzhong District, Chongqing, 400016, China
- Department of Neurology, the Seventh People's Hospital of Chongqing, Chongqing, China
| | - Yilin Wang
- Department of Neurology, the First Affiliated Hospital of Chongqing Medical University, 1 Youyi Road, Yuzhong District, Chongqing, 400016, China
| | - Qin Yang
- Department of Neurology, the First Affiliated Hospital of Chongqing Medical University, 1 Youyi Road, Yuzhong District, Chongqing, 400016, China.
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Jiao P, Lu H, Hao L, Degen AA, Cheng J, Yin Z, Mao S, Xue Y. Nutrigenetic and Epigenetic Mechanisms of Maternal Nutrition-Induced Glucolipid Metabolism Changes in the Offspring. Nutr Rev 2024:nuae048. [PMID: 38781288 DOI: 10.1093/nutrit/nuae048] [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] [Indexed: 05/25/2024] Open
Abstract
Maternal nutrition during pregnancy regulates the offspring's metabolic homeostasis, including insulin sensitivity and the metabolism of glucose and lipids. The fetus undergoes a crucial period of plasticity in the uterus; metabolic changes in the fetus during pregnancy caused by maternal nutrition not only influence fetal growth and development but also have a long-term or even life-long impact for the offspring. Epigenetic modifications, such as DNA methylation, histone modification, and non-coding RNAs, play important roles in intergenerational and transgenerational effects. In this context, this narrative review comprehensively summarizes and analyzes the molecular mechanisms underlying how maternal nutrition, including a high-fat diet, polyunsaturated fatty acid diet, methyl donor nutrient supplementation, feed restriction, and protein restriction during pregnancy, impacts the genes involved in glucolipid metabolism in the liver, adipose tissue, hypothalamus, muscle, and oocytes of the offspring in terms of the epigenetic modifications. This will provide a foundation for the further exploration of nutrigenetic and epigenetic mechanisms for integrative mother-child nutrition and promotion of the offspring's health through the regulation of maternal nutrition during pregnancy. Note: This paper is part of the Nutrition Reviews Special Collection on Precision Nutrition.
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Affiliation(s)
- Peng Jiao
- College of Animal Science and Technology, Anhui Agricultural University, Hefei, China
| | - Huizhen Lu
- Biotechnology Center, Anhui Agricultural University, Hefei, China
| | - Lizhuang Hao
- Key Laboratory of Plateau Grazing Animal Nutrition and Feed Science of Qinghai Province, Qinghai Plateau Yak Research Center, Qinghai Academy of Science and Veterinary Medicine of Qinghai University, Xining, China
| | - A Allan Degen
- Desert Animal Adaptations and Husbandry, Wyler Department of Dryland Agriculture, Blaustein Institutes for Desert Research, Ben-Gurion University of the Negev, Beer Sheva, Israel
| | - Jianbo Cheng
- College of Animal Science and Technology, Anhui Agricultural University, Hefei, China
| | - Zongjun Yin
- College of Animal Science and Technology, Anhui Agricultural University, Hefei, China
| | - Shengyong Mao
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, China
| | - Yanfeng Xue
- College of Animal Science and Technology, Anhui Agricultural University, Hefei, China
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La Colla A, Cámara CA, Campisano S, Chisari AN. Mitochondrial dysfunction and epigenetics underlying the link between early-life nutrition and non-alcoholic fatty liver disease. Nutr Res Rev 2023; 36:281-294. [PMID: 35067233 DOI: 10.1017/s0954422422000038] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Early-life malnutrition plays a critical role in foetal development and predisposes to metabolic diseases later in life, according to the concept of 'developmental programming'. Different types of early nutritional imbalance, including undernutrition, overnutrition and micronutrient deficiency, have been related to long-term metabolic disorders. Accumulating evidence has demonstrated that disturbances in nutrition during the period of preconception, pregnancy and primary infancy can affect mitochondrial function and epigenetic mechanisms. Moreover, even though multiple mechanisms underlying non-alcoholic fatty liver disease (NAFLD) have been described, in the past years, special attention has been given to mitochondrial dysfunction and epigenetic alterations. Mitochondria play a key role in cellular metabolic functions. Dysfunctional mitochondria contribute to oxidative stress, insulin resistance and inflammation. Epigenetic mechanisms have been related to alterations in genes involved in lipid metabolism, fibrogenesis, inflammation and tumorigenesis. In accordance, studies have reported that mitochondrial dysfunction and epigenetics linked to early-life nutrition can be important contributing factors in the pathogenesis of NAFLD. In this review, we summarise the current understanding of the interplay between mitochondrial dysfunction, epigenetics and nutrition during early life, which is relevant to developmental programming of NAFLD.
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Affiliation(s)
- Anabela La Colla
- Departamento de Química y Bioquímica, Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar del Plata, 7600 Mar del Plata, Argentina
| | - Carolina Anahí Cámara
- Departamento de Química y Bioquímica, Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar del Plata, 7600 Mar del Plata, Argentina
| | - Sabrina Campisano
- Departamento de Química y Bioquímica, Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar del Plata, 7600 Mar del Plata, Argentina
| | - Andrea Nancy Chisari
- Departamento de Química y Bioquímica, Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar del Plata, 7600 Mar del Plata, Argentina
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Miller JW. Vitamin B12 and In Utero Programming - With Each Question Answered, Many Questions Are Raised. J Nutr 2023; 153:3352-3354. [PMID: 37806354 DOI: 10.1016/j.tjnut.2023.09.025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2023] [Revised: 09/25/2023] [Accepted: 09/28/2023] [Indexed: 10/10/2023] Open
Affiliation(s)
- Joshua W Miller
- Department of Nutritional Sciences, Rutgers University, New Brunswick, NJ, United States.
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Singh P, Kaur L, Ghose S, Varshney S, Jyothi V, Ghosh S, Kommineni P, Kv S, Scaria V, Sivasubbu S, Chandak GR, Sengupta S. Maternal-Periconceptional Vitamin B12 Deficiency in Wistar Rats Leads to Sex-Specific Programming for Cardiometabolic Disease Risk in the Next Generation. J Nutr 2023; 153:3382-3396. [PMID: 37660953 DOI: 10.1016/j.tjnut.2023.08.032] [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: 06/16/2023] [Revised: 08/18/2023] [Accepted: 08/24/2023] [Indexed: 09/05/2023] Open
Abstract
BACKGROUND Maternal vitamin B12 deficiency plays a vital role in fetal programming, as corroborated by previous studies on murine models and longitudinal human cohorts. OBJECTIVES This study assessed the effects of diet-induced maternal vitamin B12 deficiency on F1 offspring in terms of cardiometabolic health and normalization of these effects by maternal-periconceptional vitamin B12 supplementation. METHODS A diet-induced maternal vitamin B12 deficient Wistar rat model was generated in which female rats were either fed a control AIN-76A diet (with 0.01 g/kg vitamin B12) or the same diet with vitamin B12 removed. Females from the vitamin B12-deficient group were mated with males on the control diet. A subset of vitamin B12-deficient females was repleted with vitamin B12 on day 1 of conception. The offspring in the F1 generation were assessed for changes in body composition, plasma biochemistry, and molecular changes in the liver. A multiomics approach was used to obtain a mechanistic insight into the changes in the offspring liver. RESULTS We showed that a 36% reduction in plasma vitamin B12 levels during pregnancy in F0 females can lead to continued vitamin B12 deficiency (60%-70% compared with control) in the F1 offspring and program them for cardiometabolic adversities. These adversities, such as high triglycerides and low high-density lipoprotein cholesterol, were seen only among F1 males but not females. DNA methylome analysis of the liver of F1 3-mo-old offspring highlights sexual dimorphism in the alteration of methylation status of genes critical to signaling processes. Proteomics and targeted metabolomics analysis confirm that sex-specific alterations occur through modulations in PPAR signaling and steroid hormone biosynthesis pathway. Repletion of deficient mothers with vitamin B12 at conception normalizes most of the molecular and biochemical changes. CONCLUSIONS Maternal vitamin B12 deficiency has a programming effect on the next generation and increases the risk for cardiometabolic syndrome in a sex-specific manner. Normalization of the molecular risk markers on vitamin B12 supplementation indicates a causal role.
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Affiliation(s)
- Praveen Singh
- CSIR-Institute of Genomics and Integrative Biology, New Delhi, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
| | - Lovejeet Kaur
- CSIR-Centre for Cellular and Molecular Biology, Hyderabad, India; Translational Health Science and Technology Institute, Faridabad, India
| | - Subhoshree Ghose
- CSIR-Institute of Genomics and Integrative Biology, New Delhi, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
| | - Swati Varshney
- CSIR-Institute of Genomics and Integrative Biology, New Delhi, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
| | - Vislavath Jyothi
- CSIR-Centre for Cellular and Molecular Biology, Hyderabad, India
| | - Sourav Ghosh
- CSIR-Institute of Genomics and Integrative Biology, New Delhi, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
| | | | - Shamsudheen Kv
- CSIR-Institute of Genomics and Integrative Biology, New Delhi, India
| | - Vinod Scaria
- CSIR-Institute of Genomics and Integrative Biology, New Delhi, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
| | - Sridhar Sivasubbu
- CSIR-Institute of Genomics and Integrative Biology, New Delhi, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
| | - Giriraj Ratan Chandak
- CSIR-Centre for Cellular and Molecular Biology, Hyderabad, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India.
| | - Shantanu Sengupta
- CSIR-Institute of Genomics and Integrative Biology, New Delhi, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India.
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Aureli A, Recupero R, Mariani M, Manco M, Carlomagno F, Bocchini S, Nicodemo M, Marchili MR, Cianfarani S, Cappa M, Fintini D. Low Levels of Serum Total Vitamin B12 Are Associated with Worse Metabolic Phenotype in a Large Population of Children, Adolescents and Young Adults, from Underweight to Severe Obesity. Int J Mol Sci 2023; 24:16588. [PMID: 38068910 PMCID: PMC10706451 DOI: 10.3390/ijms242316588] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Revised: 11/19/2023] [Accepted: 11/19/2023] [Indexed: 12/18/2023] Open
Abstract
Vitamin B12 (or cobalamin) is an essential vitamin for DNA synthesis, fatty acid and protein metabolism as well as other metabolic pathways fundamental to the integrity of cells and tissues in humans. It is derived from the diet and mostly stored in the liver. Its deficiency has been associated with metabolic derangements, i.e., obesity, glucose intolerance, increased lipogenesis and metabolic dysfunction-associated steatotic liver disease (MASLD) and steatohepatitis (MASH). However, data with regard to body weight across the whole spectrum (from underweight to severe obesity) in children and young individuals are scarce. The present study aims to describe the association between serum total vitamin B12 and body mass index (BMI) ranging from underweight to severe obesity in a large population of children, adolescents and young adults. This study also investigates associations with visceral adiposity, glucose and lipid metabolism and liver dysfunction. A cross-sectional, single-centre study was conducted at the Paediatrics and Endocrinology units of the "Bambino Gesù Children Hospital", a tertiary referral institution for eating disorders. Clinical charts were reviewed and 601 patients aged from 5 to 25 years were enrolled in order to analyse anthropometric, auxological, clinical, biochemical and liver ultrasound data using robust statistical approaches. Analyses were adjusted for potential confounders. A reduction in serum total B12 levels was associated with a linear increase in body weight, as expressed by WHO BMI SDS (r = -0.31, p < 0.001, BCa 95% -0.38, -0.24). Lower B12 levels were associated with higher waist circumference but only in pubertal girls (r = -0.33, p = 0.008, BCa 95% -0.53, -0.11). Hepatic insulin resistance was higher in males with lower B12 levels (B = -0.003 (-0.007, -0.0001), p = 0.039), but not in females, whereas whole-body insulin resistance was unaffected. Serum lipid profiles (total, HDL and LDL cholesterol and triglycerides) were not influenced by serum cobalamin levels. However, lower cobalamin levels were associated with higher grading of ultrasound-scored hepatic steatosis (ptrend = 0.035). Lastly, both AST and ALT showed a significant and direct correlation with total B12 levels in underweight (r = 0.22 and 0.24, p = 0.002 and <0.001, respectively) and severely obese subjects (r = 0.24 and 0.32, p = 0.002 and <0.001). In conclusion lower vitamin B12 levels are associated with higher body weight, adiposity and with worse metabolic health in a large population of children, adolescents and young adults.
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Affiliation(s)
- Alessia Aureli
- Endocrinology and Diabetology Unit, “Bambino Gesù” Children’s Hospital, IRCCS, 00146 Rome, Italy; (A.A.); (M.M.); (S.B.); (M.N.); (S.C.); (D.F.)
| | - Rosanna Recupero
- Pediatric Unit, “Bambino Gesù” Children’s Hospital, IRCCS, 00146 Rome, Italy;
- Pediatrics Department, University of Rome “Tor Vergata”, 00133 Rome, Italy
| | - Michela Mariani
- Endocrinology and Diabetology Unit, “Bambino Gesù” Children’s Hospital, IRCCS, 00146 Rome, Italy; (A.A.); (M.M.); (S.B.); (M.N.); (S.C.); (D.F.)
| | - Melania Manco
- Research Area for Foetal Neonatal and Cardiological Sciences, “Bambino Gesù” Children’s Hospital, IRCCS, 00146 Rome, Italy
| | - Francesco Carlomagno
- Department of Experimental Medicine, Sapienza University of Rome, 00161 Rome, Italy;
| | - Sarah Bocchini
- Endocrinology and Diabetology Unit, “Bambino Gesù” Children’s Hospital, IRCCS, 00146 Rome, Italy; (A.A.); (M.M.); (S.B.); (M.N.); (S.C.); (D.F.)
| | - Mirella Nicodemo
- Endocrinology and Diabetology Unit, “Bambino Gesù” Children’s Hospital, IRCCS, 00146 Rome, Italy; (A.A.); (M.M.); (S.B.); (M.N.); (S.C.); (D.F.)
| | - Maria Rosaria Marchili
- Department of Emergency Admission and General Pediatrics, “Bambino Gesù” Children’s Hospital, IRCCS, 00165 Rome, Italy;
| | - Stefano Cianfarani
- Endocrinology and Diabetology Unit, “Bambino Gesù” Children’s Hospital, IRCCS, 00146 Rome, Italy; (A.A.); (M.M.); (S.B.); (M.N.); (S.C.); (D.F.)
- Department of Systems Medicine, University of Rome “Tor Vergata”, 00133 Rome, Italy
- Department of Women’s and Children’s Health, Karolinska Institutet, 17177 Stockholm, Sweden
| | - Marco Cappa
- Research Area of Innovative Therapies in Endocrinopathies, “Bambino Gesù” Children’s Hospital, IRCCS, 00146 Rome, Italy;
| | - Danilo Fintini
- Endocrinology and Diabetology Unit, “Bambino Gesù” Children’s Hospital, IRCCS, 00146 Rome, Italy; (A.A.); (M.M.); (S.B.); (M.N.); (S.C.); (D.F.)
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He J, Jiang D, Cui X, Ji C. Vitamin B12 status and folic acid/vitamin B12 related to the risk of gestational diabetes mellitus in pregnancy: a systematic review and meta-analysis of observational studies. BMC Pregnancy Childbirth 2022; 22:587. [PMID: 35870897 PMCID: PMC9308279 DOI: 10.1186/s12884-022-04911-9] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2022] [Accepted: 07/11/2022] [Indexed: 12/02/2022] Open
Abstract
Background This review was conducted to investigate the association between serum vitamin B12 levels as well as folic acid/vitamin B12 during pregnancy and the risk of gestational diabetes mellitus (GDM). Methods A comprehensive search of electronic databases (Embase, PubMed, and Web of Science) was performed. The odds ratios (ORs) with 95% confidence intervals (CIs) of GDM risk were summarized using a random effects model. We also performed subgroup analyses to explore the source of heterogeneity. Results A total of 10 studies, including 10,595 pregnant women were assessed. Women with vitamin B12 deficiency were at higher risk for developing GDM when compared with those who were vitamin B12 sufficient (OR, 1.46; 95% CI 1.21–1.79; I2: 59.0%). Subgroup analysis indicated that this association might differ based on sample size and geographical distribution. Elevated vitamin B12 levels may decrease the risk of GDM by 23%. The role of excess folic acid and low vitamin B12 levels in the occurrence of GDM is also controversial. Conclusion In summary, vitamin B12 deficiency is associated with increased risk of GDM, it is necessary to pay more attention to the balance of vitamin B12 and folic acid. However, more in-depth studies across multiple populations are needed to verify these results. Supplementary Information The online version contains supplementary material available at 10.1186/s12884-022-04911-9.
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Ge Y, Zadeh M, Mohamadzadeh M. Vitamin B12 Regulates the Transcriptional, Metabolic, and Epigenetic Programing in Human Ileal Epithelial Cells. Nutrients 2022; 14:nu14142825. [PMID: 35889782 PMCID: PMC9321803 DOI: 10.3390/nu14142825] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Revised: 07/01/2022] [Accepted: 07/07/2022] [Indexed: 12/22/2022] Open
Abstract
Vitamin B12 (VB12) is a micronutrient that is essential for DNA synthesis and cellular energy production. We recently demonstrated that VB12 oral supplementation coordinates ileal epithelial cells (iECs) and gut microbiota functions to resist pathogen colonization in mice, but it remains unclear whether VB12 directly modulates the cellular homeostasis of iECs derived from humans. Here, we integrated transcriptomic, metabolomic, and epigenomic analyses to identify VB12-dependent molecular and metabolic pathways in human iEC microtissue cultures. RNA sequencing (RNA-seq) revealed that VB12 notably activated genes involved in fatty acid metabolism and epithelial cell proliferation while suppressing inflammatory responses in human iECs. Untargeted metabolite profiling demonstrated that VB12 facilitated the biosynthesis of amino acids and methyl groups, particularly S-adenosylmethionine (SAM), and supported the function of the mitochondrial carnitine shuttle and TCA cycle. Further, genome-wide DNA methylation analysis illuminated a critical role of VB12 in sustaining cellular methylation programs, leading to differential CpG methylation of genes associated with intestinal barrier function and cell proliferation. Together, these findings suggest an essential involvement of VB12 in directing the fatty acid and mitochondrial metabolisms and reconfiguring the epigenome of human iECs to potentially support cellular oxygen utilization and cell proliferation.
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9
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Ge Y, Zadeh M, Mohamadzadeh M. Vitamin B12 coordinates ileal epithelial cell and microbiota functions to resist Salmonella infection in mice. J Exp Med 2022; 219:213271. [PMID: 35674742 DOI: 10.1084/jem.20220057] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2022] [Revised: 04/15/2022] [Accepted: 05/25/2022] [Indexed: 12/15/2022] Open
Abstract
Deprivation of vitamin B12 (VB12) is linked to various diseases, but the underlying mechanisms in disease progression are poorly understood. Using multiomic approaches, we elucidated the responses of ileal epithelial cells (iECs) and gut microbiome to VB12 dietary restriction. Here, VB12 deficiency impaired the transcriptional and metabolic programming of iECs and reduced epithelial mitochondrial respiration and carnitine shuttling during intestinal Salmonella Typhimurium (STm) infection. Fecal microbial and untargeted metabolomic profiling identified marked changes related to VB12 deficiency, including reductions of metabolites potentially activating mitochondrial β-oxidation in iECs and short-chain fatty acids (SCFAs). Depletion of SCFA-producing microbes by streptomycin treatment decreased the VB12-dependent STm protection. Moreover, compromised mitochondrial function of iECs correlated with declined cell capability to utilize oxygen, leading to uncontrolled oxygen-dependent STm expansion in VB12-deficient mice. Our findings uncovered previously unrecognized mechanisms through which VB12 coordinates ileal epithelial mitochondrial homeostasis and gut microbiota to regulate epithelial oxygenation, resulting in the control of aerobic STm infection.
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Affiliation(s)
- Yong Ge
- Division of Gastroenterology & Nutrition, Department of Medicine, University of Texas Health, San Antonio, TX.,Department of Infectious Diseases & Immunology, University of Florida, Gainesville, FL
| | - Mojgan Zadeh
- Division of Gastroenterology & Nutrition, Department of Medicine, University of Texas Health, San Antonio, TX.,Department of Infectious Diseases & Immunology, University of Florida, Gainesville, FL
| | - Mansour Mohamadzadeh
- Division of Gastroenterology & Nutrition, Department of Medicine, University of Texas Health, San Antonio, TX.,Department of Infectious Diseases & Immunology, University of Florida, Gainesville, FL
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Maher A, Sobczyńska-Malefora A. The Relationship Between Folate, Vitamin B12 and Gestational Diabetes Mellitus With Proposed Mechanisms and Foetal Implications. J Family Reprod Health 2021; 15:141-149. [PMID: 34721605 PMCID: PMC8536822 DOI: 10.18502/jfrh.v15i3.7131] [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] [Indexed: 11/24/2022] Open
Abstract
The incidence of gestational diabetes mellitus (GDM) is rising, which warrants attention due to the associated complications during pregnancy and in the long term for both mother and offspring. Studies have suggested a relationship between maternal folate (vitamin B9) and vitamin B12 status and GDM risk. Seemingly the most problematic scenario occurs when there is B-vitamin imbalance, with high folate and low vitamin B12. This nutritional state can occur in vitamin B12 deficient women who exceed the recommended folic acid supplementation. However, the pathological mechanisms behind this relationship are currently unclear and are explored in this review article. A high folate/low B12 can lead to a functional folate deficiency through the methyl-trap phenomenon, impairing re-methylation of homocysteine and regeneration of folates for DNA synthesis and repair. Consequently elevated homocysteine concentration leads to endothelial dysfunction and oxidative stress. Vitamin B12 deficiency also leads to an impairment of the conversion of methylmalonyl-CoA to succinyl-CoA, which has been associated with insulin resistance. Insulin resistance is thought to contribute to the etiology of GDM. More studies are needed to confirm the impact of these and other mechanisms on disease development. However, it highlights a potential avenue for GDM risk modification through a vitamin B12 supplement and improvement of maternal metabolic health.
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Affiliation(s)
- Angeline Maher
- Edinburgh Medical School, University of Edinburgh, Edinburgh, UK
| | - Agata Sobczyńska-Malefora
- Faculty of Life Sciences & Medicine, Kings College London, London, UK.,Nutristasis Unit, Viapath, St. Thomas' Hospital, London, UK
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Nieraad H, Pannwitz N, de Bruin N, Geisslinger G, Till U. Hyperhomocysteinemia: Metabolic Role and Animal Studies with a Focus on Cognitive Performance and Decline-A Review. Biomolecules 2021; 11:1546. [PMID: 34680179 PMCID: PMC8533891 DOI: 10.3390/biom11101546] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2021] [Revised: 10/05/2021] [Accepted: 10/09/2021] [Indexed: 12/18/2022] Open
Abstract
Disturbances in the one-carbon metabolism are often indicated by altered levels of the endogenous amino acid homocysteine (HCys), which is additionally discussed to causally contribute to diverse pathologies. In the first part of the present review, we profoundly and critically discuss the metabolic role and pathomechanisms of HCys, as well as its potential impact on different human disorders. The use of adequate animal models can aid in unravelling the complex pathological processes underlying the role of hyperhomocysteinemia (HHCys). Therefore, in the second part, we systematically searched PubMed/Medline for animal studies regarding HHCys and focused on the potential impact on cognitive performance and decline. The majority of reviewed studies reported a significant effect of HHCys on the investigated behavioral outcomes. Despite of persistent controversial discussions about equivocal findings, especially in clinical studies, the present evaluation of preclinical evidence indicates a causal link between HHCys and cognition-related- especially dementia-like disorders, and points out the further urge for large-scale, well-designed clinical studies in order to elucidate the normalization of HCys levels as a potential preventative or therapeutic approach in human pathologies.
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Affiliation(s)
- Hendrik Nieraad
- Fraunhofer Institute for Translational Medicine and Pharmacology ITMP, Theodor-Stern-Kai 7, 60596 Frankfurt am Main, Germany; (N.P.); (N.d.B.); (G.G.)
| | - Nina Pannwitz
- Fraunhofer Institute for Translational Medicine and Pharmacology ITMP, Theodor-Stern-Kai 7, 60596 Frankfurt am Main, Germany; (N.P.); (N.d.B.); (G.G.)
| | - Natasja de Bruin
- Fraunhofer Institute for Translational Medicine and Pharmacology ITMP, Theodor-Stern-Kai 7, 60596 Frankfurt am Main, Germany; (N.P.); (N.d.B.); (G.G.)
| | - Gerd Geisslinger
- Fraunhofer Institute for Translational Medicine and Pharmacology ITMP, Theodor-Stern-Kai 7, 60596 Frankfurt am Main, Germany; (N.P.); (N.d.B.); (G.G.)
- Pharmazentrum Frankfurt/ZAFES, Institute of Clinical Pharmacology, Goethe University, Theodor-Stern-Kai 7, 60590 Frankfurt am Main, Germany
| | - Uwe Till
- Former Institute of Pathobiochemistry, Friedrich-Schiller-University Jena, Nonnenplan 2, 07743 Jena, Germany;
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12
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Hu Q, Li L, Zhai Z, Wang Q, Liao S. Vitamin B 12 Inhibits Streptozotocin-Induced Islet β-Cell Oxidative Stress and Apoptosis by Activating Peroxisome Proliferator-Activated Receptor- γ Signaling Pathway. J BIOMATER TISS ENG 2021. [DOI: 10.1166/jbt.2021.2778] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
The present study aimed to investigate the effects of vitamin B12 on islet β-cell (INS-1) induced by streptozotocin (STZ) and the potential mechanisms. In this study, CCK8 was used to detect cell viability and TUNEL assay was used to detect apoptosis levels of
treated INS-1 cells. The expression level of oxidative stress factors was measured by ELISA. Furthermore, western blot assay was used to detect the expression of PPAR-γ and apoptotic factors in treated INS-1 cells. Vitamin B12 improves STZ-induced insulin secretion
in INS-1 cells, oxidative stress injury and apoptosis. Moreover, Vitamin B12 can activate the PPAR-γ signaling pathway and inhibit STZ-induced INS-1 cell damage. Taken together, our study demonstrated that vitamin B12 inhibits streptozotocin-induced islet
β-cell oxidative stress and apoptosis by activating PPAR-γ signaling pathway.
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Affiliation(s)
- Qiaosheng Hu
- Department of Clinical Nutrition, Lianshui County People’s Hospital, Jiangsu, 223400, China
| | - Lihua Li
- Department of Clinical Nutrition, Lianshui County People’s Hospital, Jiangsu, 223400, China
| | - Zhongshu Zhai
- Department of Endocrinology, Lianshui County People’s Hospital, Jiangsu, 223400, China
| | - Quansheng Wang
- Department of Endocrinology, BenQ Medical Center, The Affiliated BenQ Hospital of Nanjing Medical Universtiy Jiangsu, 210019, China
| | - Shuaiju Liao
- Department of Endocrinology, BenQ Medical Center, The Affiliated BenQ Hospital of Nanjing Medical Universtiy Jiangsu, 210019, China
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13
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Raza S, Tewari A, Rajak S, Sinha RA. Vitamins and non-alcoholic fatty liver disease: A Molecular Insight ⋆. LIVER RESEARCH 2021; 5:62-71. [PMID: 34221537 PMCID: PMC7611112 DOI: 10.1016/j.livres.2021.03.004] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
The incidence of non-alcoholic fatty liver disease (NAFLD) is rising rapidly across the globe. NAFLD pathogenesis is largely driven by an imbalance in hepatic energy metabolism and at present, there is no approved drug for its treatment. The liver plays a crucial role in micronutrient metabolism and deregulation of this micronutrient metabolism may contribute to the pathogenesis of NAFLD. Vitamins regulate several enzymatic processes in the liver, and derangement in vitamin metabolism is believed to play a critical role in NAFLD progression. The anti-oxidant activities of vitamin C and E have been attributed to mitigate hepatocyte injury, and alterations in the serum levels of vitamin D, vitamin B12 and folate have shown a strong correlation with NAFLD severity. This review aims to highlight the role of these vitamins, which represent promising therapeutic targets for the management of NAFLD.
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Affiliation(s)
- Sana Raza
- Corresponding author: Dr. Rohit A. Sinha (), Dr. Sana Raza ()
| | | | | | - Rohit A. Sinha
- Corresponding author: Dr. Rohit A. Sinha (), Dr. Sana Raza ()
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14
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Jeong H, Vacanti NM. Systemic vitamin intake impacting tissue proteomes. Nutr Metab (Lond) 2020; 17:73. [PMID: 32863845 PMCID: PMC7449053 DOI: 10.1186/s12986-020-00491-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2020] [Accepted: 08/07/2020] [Indexed: 12/12/2022] Open
Abstract
The kinetics and localization of the reactions of metabolism are coordinated by the enzymes that catalyze them. These enzymes are controlled via a myriad of mechanisms including inhibition/activation by metabolites, compartmentalization, thermodynamics, and nutrient sensing-based transcriptional or post-translational regulation; all of which are influenced as a network by the activities of metabolic enzymes and have downstream potential to exert direct or indirect control over protein abundances. Considering many of these enzymes are active only when one or more vitamin cofactors are present; the availability of vitamin cofactors likely yields a systems-influence over tissue proteomes. Furthermore, vitamins may influence protein abundances as nuclear receptor agonists, antioxidants, substrates for post-translational modifications, molecular signal transducers, and regulators of electrolyte homeostasis. Herein, studies of vitamin intake are explored for their contribution to unraveling vitamin influence over protein expression. As a body of work, these studies establish vitamin intake as a regulator of protein abundance; with the most powerful demonstrations reporting regulation of proteins directly related to the vitamin of interest. However, as a whole, the field has not kept pace with advances in proteomic platforms and analytical methodologies, and has not moved to validate mechanisms of regulation or potential for clinical application.
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Affiliation(s)
- Heesoo Jeong
- Division of Nutritional Sciences, Cornell University, Ithaca, NY USA
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15
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Low Vitamin B12 and Lipid Metabolism: Evidence from Pre-Clinical and Clinical Studies. Nutrients 2020; 12:nu12071925. [PMID: 32610503 PMCID: PMC7400011 DOI: 10.3390/nu12071925] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2020] [Revised: 06/19/2020] [Accepted: 06/24/2020] [Indexed: 12/21/2022] Open
Abstract
Obesity is a worldwide epidemic responsible for 5% of global mortality. The risks of developing other key metabolic disorders like diabetes, hypertension and cardiovascular diseases (CVDs) are increased by obesity, causing a great public health concern. A series of epidemiological studies and animal models have demonstrated a relationship between the importance of vitamin B12 (B12) and various components of metabolic syndrome. High prevalence of low B12 levels has been shown in European (27%) and South Indian (32%) patients with type 2 diabetes (T2D). A longitudinal prospective study in pregnant women has shown that low B12 status could independently predict the development of T2D five years after delivery. Likewise, children born to mothers with low B12 levels may have excess fat accumulation which in turn can result in higher insulin resistance and risk of T2D and/or CVD in adulthood. However, the independent role of B12 on lipid metabolism, a key risk factor for cardiometabolic disorders, has not been explored to a larger extent. In this review, we provide evidence from pre-clinical and clinical studies on the role of low B12 status on lipid metabolism and insights on the possible epigenetic mechanisms including DNA methylation, micro-RNA and histone modifications. Although, there are only a few association studies of B12 on epigenetic mechanisms, novel approaches to understand the functional changes caused by these epigenetic markers are warranted.
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16
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Maternal vitamin B 12 deficiency in rats alters DNA methylation in metabolically important genes in their offspring. Mol Cell Biochem 2020; 468:83-96. [PMID: 32189172 DOI: 10.1007/s11010-020-03713-x] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2019] [Accepted: 03/06/2020] [Indexed: 12/22/2022]
Abstract
Vitamin B12 deficiency is a critical problem worldwide and peri-conceptional deficiency of this vitamin is associated with the risk of complex cardio-metabolic diseases. Nutritional perturbations during these stages of development may lead to changes in the fetal epigenome. Using Wistar rat model system, we have earlier shown that low maternal B12 levels are associated with low birth weight, adiposity, insulin resistance, and increased triglyceride levels in the offspring, which might predispose them to the risk of cardio-metabolic diseases in adulthood. In this study, we have investigated the effects of maternal B12 deficiency on genome-wide DNA methylation profile of the offspring and the effect of rehabilitation of mothers with B12 at conception. We have performed methylated DNA immunoprecipitation sequencing of liver from pups in four groups of Wistar rats: Control (C), B12-restricted (B12R), B12-rehabilitated at conception (B12RC), and B12-rehabilitated at parturition (B12RP). We have analyzed differentially methylated signatures between the three groups as compared to controls. We have identified a total of 214 hypermethylated and 142 hypomethylated regions in the 10 kb upstream region of transcription start site in pups of B12-deficient mothers, which are enriched in genes involved in fatty acid metabolism and mitochondrial transport/metabolism. B12 rehabilitation at conception and parturition is responsible for reversal of methylation status of many of these regions to control levels suggesting a causal association with metabolic phenotypes. Thus, maternal B12 restriction alters DNA methylation of genes involved in important metabolic processes and influences the offspring phenotype, which is reversed by B12 rehabilitation of mothers at conception.
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17
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Li J, Liu C, Guo Y, Pi F, Yao W, Xie Y, Cheng Y, Qian H. Determination of the effects of torularhodin against alcoholic liver diseases by transcriptome analysis. Free Radic Biol Med 2019; 143:47-54. [PMID: 31374322 DOI: 10.1016/j.freeradbiomed.2019.07.033] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/06/2019] [Revised: 06/25/2019] [Accepted: 07/28/2019] [Indexed: 12/20/2022]
Abstract
Alcoholic liver disease (ALD) is a major cause of liver injury worldwide. Oxidative damage is one of the main injuries caused by ALD. The aim of this study was to elucidate the preventive effects of torularhodin, extracted from Sporidiobolus pararoseus, on alcoholic liver injury in mice. The mechanisms involved were investigated using transcriptome analysis. Torularhodin supplementation decreased ethanol-induced aspartate transaminase (ALT), aspartate transaminase (AST) and low density lipoprotein (LDL) levels, and increased high density lipoprotein (HDL) levels in the serum of mice. In liver tissue, treatment with torularhodin increased ethanol-induced superoxide dismutase (SOD) and glutathione peroxidase (GSH-Px) levels and decreased tumor necrosis factor-α (TNF-α) and interleukin-1β (IL-1β) levels. Histological analysis showed that torularhodin could alleviate the negative effects of alcohol on the liver. Transcriptomic analysis showed that 806 genes were significantly differentially expressed (506 up-regulated and 300 down-regulated) after torularhodin treatment. These genes were involved in three main Gene Ontology categories (biological process, cellular component, and molecular function) and multiple pathways. Therefore, torularhodin was considered to have potential as a protective agent against ALD.
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Affiliation(s)
- Jiayi Li
- Department of School of Food Science and Technology, Jiangnan University, Wuxi, 214122, China
| | - Chang Liu
- Department of School of Food Science and Technology, Jiangnan University, Wuxi, 214122, China
| | - Yahui Guo
- Department of School of Food Science and Technology, Jiangnan University, Wuxi, 214122, China
| | - Fuwei Pi
- Department of School of Food Science and Technology, Jiangnan University, Wuxi, 214122, China
| | - Weirong Yao
- Department of School of Food Science and Technology, Jiangnan University, Wuxi, 214122, China
| | - Yunfei Xie
- Department of School of Food Science and Technology, Jiangnan University, Wuxi, 214122, China
| | - Yuliang Cheng
- Department of School of Food Science and Technology, Jiangnan University, Wuxi, 214122, China.
| | - He Qian
- Department of School of Food Science and Technology, Jiangnan University, Wuxi, 214122, China.
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18
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Xing H, Chen J, Peng M, Wang Z, Liu F, Li S, Teng X. Identification of signal pathways for immunotoxicity in the spleen of common carp exposed to chlorpyrifos. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2019; 182:109464. [PMID: 31398777 DOI: 10.1016/j.ecoenv.2019.109464] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/08/2019] [Revised: 07/16/2019] [Accepted: 07/22/2019] [Indexed: 06/10/2023]
Abstract
Chlorpyrifos (CPF) is an environmental pollutant due to its high toxicity to aquatic animals. Because CPF was detected in aquatic environments in many countries, it has been widely concerned by researchers. Although the immunotoxicity of CPF to fish had been reported, the immunotoxicity mechanism is still not clear. Recently, transcriptome analysis has become a major method to study the toxic mechanism of pollutants in environmental toxicology. However, the immunotoxicity identification of CPF on fish had not been reported by transcriptome analysis. In the present study, we examined the effects of CPF on organismal system in the spleen of common carp by transcriptome analysis. We have successfully constructed a database of transcriptome analysis of carp spleens under exposure to CPF and found 773 differentially expressed genes (DEGs) (including 498 up-regulated DEGs and 275 down-regulated DEGs) and 4 branches (containing 33 known KEGG pathways). Some genes associated with the 4 pathways (Complement and coagulation cascades, PPAR signaling pathway, Fat digestion and absorption, and Collecting duct acid secretion) contained in organismal system were validated by quantitative real-time PCR and showed significant improvement compared with the control group. Our results indicated that exposure to CPF caused a change in the signal pathways of organismal system in carp spleens. The present study provides new insights into the immunotoxicity mechanism and risk assessment of CPF, as well as references for comparative medicine.
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Affiliation(s)
- Houjuan Xing
- College of Animal Science and Technology, Northeast Agricultural University, Harbin, 150030, PR China
| | - Jianqing Chen
- College of Animal Science and Technology, Northeast Agricultural University, Harbin, 150030, PR China
| | - Muqiao Peng
- College of Animal Science and Technology, Northeast Agricultural University, Harbin, 150030, PR China
| | - Zhilei Wang
- Centre for Animal Disease Prevention and Control of Heilongjiang Province, 243 Haping Road, Xiangfang District, Harbin, 150069, PR China
| | - Feng Liu
- Centre for Animal Disease Prevention and Control of Heilongjiang Province, 243 Haping Road, Xiangfang District, Harbin, 150069, PR China
| | - Shu Li
- Department of Veterinary Medicine, Northeast Agricultural University, 59 Mucai Street, Harbin, 150030, PR China.
| | - Xiaohua Teng
- College of Animal Science and Technology, Northeast Agricultural University, Harbin, 150030, PR China.
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19
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Bito T, Okamoto N, Otsuka K, Yabuta Y, Arima J, Kawano T, Watanabe F. Involvement of Spermidine in the Reduced Lifespan of Caenorhabditis elegans During Vitamin B 12 Deficiency. Metabolites 2019; 9:metabo9090192. [PMID: 31546940 PMCID: PMC6780408 DOI: 10.3390/metabo9090192] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2019] [Revised: 09/12/2019] [Accepted: 09/18/2019] [Indexed: 11/25/2022] Open
Abstract
Vitamin B12 deficiency leads to various symptoms such as neuropathy, growth retardation, and infertility. Vitamin B12 functions as a coenzyme for two enzymes involved in amino acid metabolisms. However, there is limited information available on whether amino acid disorders caused by vitamin B12 deficiency induce such symptoms. First, free amino acid levels were determined in vitamin B12-deficient Caenorhabditis elegans to clarify the mechanisms underlying the symptoms caused by vitamin B12 deficiency. Various amino acids (valine, leucine, isoleucine, methionine, and cystathionine, among others) metabolized by vitamin B12-dependent enzymes were found to be significantly changed during conditions of B12 deficiency, which indirectly affected certain amino acids metabolized by vitamin B12-independent enzymes. For example, ornithine was significantly increased during vitamin B12 deficiency, which also significantly increased arginase activity. The accumulation of ornithine during vitamin B12 deficiency constitutes the first report. In addition, the biosynthesis of spermidine from ornithine was significantly decreased during vitamin B12 deficiency, likely due to the reduction of S-adenosylmethionine as a substrate for S-adenosylmethionine decarboxylase, which catalyzes the formation of spermidine. Moreover, vitamin B12 deficiency also demonstrated a significant reduction in worm lifespan, which was partially recovered by the addition of spermidine. Collectively, our findings suggest that decreased spermidine is one factor responsible for reduced lifespan in vitamin B12-deficient worms.
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Affiliation(s)
- Tomohiro Bito
- Department of Agricultural, Life and Environmental Sciences, Faculty of Agriculture, Tottori University, Tottori 680-8553, Japan.
| | - Naho Okamoto
- The United Graduate School of Agricultural Sciences, Tottori University, Tottori 680-8553, Japan.
| | - Kenji Otsuka
- Department of Agricultural, Life and Environmental Sciences, Faculty of Agriculture, Tottori University, Tottori 680-8553, Japan.
| | - Yukinori Yabuta
- Department of Agricultural, Life and Environmental Sciences, Faculty of Agriculture, Tottori University, Tottori 680-8553, Japan.
| | - Jiro Arima
- Department of Agricultural, Life and Environmental Sciences, Faculty of Agriculture, Tottori University, Tottori 680-8553, Japan.
| | - Tsuyoshi Kawano
- Department of Agricultural, Life and Environmental Sciences, Faculty of Agriculture, Tottori University, Tottori 680-8553, Japan.
| | - Fumio Watanabe
- Department of Agricultural, Life and Environmental Sciences, Faculty of Agriculture, Tottori University, Tottori 680-8553, Japan.
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20
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Adaikalakoteswari A, Vatish M, Alam MT, Ott S, Kumar S, Saravanan P. Low Vitamin B12 in Pregnancy Is Associated With Adipose-Derived Circulating miRs Targeting PPARγ and Insulin Resistance. J Clin Endocrinol Metab 2017; 102:4200-4209. [PMID: 28938471 DOI: 10.1210/jc.2017-01155] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/19/2017] [Accepted: 08/31/2017] [Indexed: 12/13/2022]
Abstract
CONTEXT Low vitamin B12 during pregnancy is associated with higher maternal obesity, insulin resistance (IR), and gestational diabetes mellitus. B12 is a key cofactor in one-carbon metabolism. OBJECTIVE We hypothesize that B12 plays a role in epigenetic regulation by altering circulating microRNAs (miRs) during adipocyte differentiation and results in an adverse metabolic phenotype. DESIGN, SETTINGS, AND MAIN OUTCOME MEASURE Human preadipocyte cell line (Chub-S7) was differentiated in various B12 concentrations: control (500 nM), low B12 (0.15 nM), and no B12 (0 nM). Maternal blood samples (n = 91) and subcutaneous adipose tissue (SAT) (n = 42) were collected at delivery. Serum B12, folate, lipids, plasma one-carbon metabolites, miR profiling, miR expression, and gene expression were measured. RESULTS Our in vitro model demonstrated that adipocytes in B12-deficient conditions accumulated more lipids, had higher triglyceride levels, and increased gene expression of adipogenesis and lipogenesis. MiR array screening revealed differential expression of 133 miRs involving several metabolic pathways (adjusted P < 0.05). Altered miR expressions were observed in 12 miRs related to adipocyte differentiation and function in adipocytes. Validation of these data in pregnant women with low B12 confirmed increased expression of adipogenic and lipogenic genes and altered miRs in SAT and altered levels of 11 of the 12 miRs in circulation. After adjustment for other possible confounders, multiple regression analysis revealed an independent association of B12 with body mass index (β: -0.264; 95% confidence interval, -0.469 to -0.058; P = 0.013) and was mediated by four circulating miRs targeting peroxisome proliferator-activated receptor γ and IR. CONCLUSIONS Low B12 levels in pregnancy alter adipose-derived circulating miRs, which may mediate an adipogenic and IR phenotype, leading to obesity.
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Affiliation(s)
| | - Manu Vatish
- Nuffield Department of Obstetrics & Gynaecology, University of Oxford, Oxford OX3 9DU, United Kingdom
| | - Mohammad Tauqeer Alam
- Department of Computer Science, University of Warwick, Warwick CV4 7AL, United Kingdom
| | - Sascha Ott
- Department of Computer Science, University of Warwick, Warwick CV4 7AL, United Kingdom
| | - Sudhesh Kumar
- Warwick Medical School, University of Warwick, Warwick CV2 2DX, United Kingdom
- University Hospital of Coventry and Warwickshire, Coventry CV2 2DX, United Kingdom
| | - Ponnusamy Saravanan
- Warwick Medical School, University of Warwick, Warwick CV2 2DX, United Kingdom
- Academic Department of Diabetes and Metabolism, George Eliot Hospital, Nuneaton CV10 7DJ, United Kingdom
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21
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The effect of maternal chromium status on lipid metabolism in female elderly mice offspring and involved molecular mechanism. Biosci Rep 2017; 37:BSR20160362. [PMID: 28320771 PMCID: PMC5408666 DOI: 10.1042/bsr20160362] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2016] [Revised: 03/13/2017] [Accepted: 03/20/2017] [Indexed: 11/25/2022] Open
Abstract
Maternal malnutrition leads to the incidence of metabolic diseases in offspring. The purpose of this project was to examine whether maternal low chromium could disturb normal lipid metabolism in offspring, altering adipose cell differentiation and leading to the incidence of lipid metabolism diseases, including metabolic syndrome and obesity. Female C57BL mice were given a control diet (CD) or a low chromium diet (LCD) during the gestational and lactation periods. After weaning, offspring was fed with CD or LCD. The female offspring were assessed at 32 weeks of age. Fresh adipose samples from CD–CD group and LCD–CD group were collected. Genome mRNA were analysed using Affymetrix GeneChip Mouse Gene 2.0 ST Whole Transcript-based array. Differentially expressed genes (DEGs) were analysed based on gene ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway analysis database. Maternal low chromium irreversibly increased offspring body weight, fat-pad weight, serum triglyceride (TG) and TNF-α. Eighty five genes increased and 109 genes reduced in the offspring adipose of the maternal low chromium group. According to KEGG pathway and String analyses, the PPAR signalling pathway may be the key controlled pathway related to the effect of maternal low chromium on female offspring. Maternal chromium status have long-term effects of lipid metabolism in female mice offspring. Normalizing offspring diet can not reverse these effects. The potential underlying mechanisms are the disturbance of the PPAR signalling pathway in adipose tissue.
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22
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Ramírez-López MT, Arco R, Decara J, Vázquez M, Rivera P, Blanco RN, Alén F, Gómez de Heras R, Suárez J, Rodríguez de Fonseca F. Long-Term Effects of Prenatal Exposure to Undernutrition on Cannabinoid Receptor-Related Behaviors: Sex and Tissue-Specific Alterations in the mRNA Expression of Cannabinoid Receptors and Lipid Metabolic Regulators. Front Behav Neurosci 2016; 10:241. [PMID: 28082878 PMCID: PMC5187359 DOI: 10.3389/fnbeh.2016.00241] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2016] [Accepted: 12/12/2016] [Indexed: 12/16/2022] Open
Abstract
Maternal malnutrition causes long-lasting alterations in feeding behavior and energy homeostasis in offspring. It is still unknown whether both, the endocannabinoid (eCB) machinery and the lipid metabolism are implicated in long-term adaptive responses to fetal reprogramming caused by maternal undernutrition. We investigated the long-term effects of maternal exposure to a 20% standard diet restriction during preconceptional and gestational periods on the metabolically-relevant tissues hypothalamus, liver, and perirenal fat (PAT) of male and female offspring at adulthood. The adult male offspring from calorie-restricted dams (RC males) exhibited a differential response to the CB1 antagonist AM251 in a chocolate preference test as well as increased body weight, perirenal adiposity, and plasma levels of triglycerides, LDL, VLDL, bilirubin, and leptin. The gene expression of the cannabinoid receptors Cnr1 and Cnr2 was increased in RC male hypothalamus, but a down-expression of most eCBs-metabolizing enzymes (Faah, Daglα, Daglβ, Mgll) and several key regulators of fatty-acid β-oxidation (Cpt1b, Acox1), mitochondrial respiration (Cox4i1), and lipid flux (Pparγ) was found in their PAT. The female offspring from calorie-restricted dams exhibited higher plasma levels of LDL and glucose as well as a reduction in chocolate and caloric intake at post-weaning periods in the feeding tests. Their liver showed a decreased gene expression of Cnr1, Pparα, Pparγ, the eCBs-degrading enzymes Faah and Mgll, the de novo lipogenic enzymes Acaca and Fasn, and the liver-specific cholesterol biosynthesis regulators Insig1 and Hmgcr. Our results suggest that the long-lasting adaptive responses to maternal caloric restriction affected cannabinoid-regulated mechanisms involved in feeding behavior, adipose β-oxidation, and hepatic lipid and cholesterol biosynthesis in a sex-dependent manner.
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Affiliation(s)
- María T Ramírez-López
- Departamento de Psicobiología, Facultad de Psicología, Universidad Complutense de MadridMadrid, Spain; Hospital Universitario de GetafeMadrid, Spain
| | - Rocío Arco
- Instituto de Investigación Biomédica de Málaga (IBIMA), Unidad de Gestión Clínica de Salud Mental, Hospital Regional Universitario de Málaga, Universidad de Málaga Málaga, Spain
| | - Juan Decara
- Instituto de Investigación Biomédica de Málaga (IBIMA), Unidad de Gestión Clínica de Salud Mental, Hospital Regional Universitario de Málaga, Universidad de Málaga Málaga, Spain
| | - Mariam Vázquez
- Departamento de Psicobiología, Facultad de Psicología, Universidad Complutense de MadridMadrid, Spain; Instituto de Investigación Biomédica de Málaga (IBIMA), Unidad de Gestión Clínica de Salud Mental, Hospital Regional Universitario de Málaga, Universidad de MálagaMálaga, Spain
| | - Patricia Rivera
- Instituto de Investigación Biomédica de Málaga (IBIMA), Unidad de Gestión Clínica de Salud Mental, Hospital Regional Universitario de Málaga, Universidad de Málaga Málaga, Spain
| | - Rosario Noemi Blanco
- Departamento de Psicobiología, Facultad de Psicología, Universidad Complutense de Madrid Madrid, Spain
| | - Francisco Alén
- Departamento de Psicobiología, Facultad de Psicología, Universidad Complutense de MadridMadrid, Spain; Instituto de Investigación Biomédica de Málaga (IBIMA), Unidad de Gestión Clínica de Salud Mental, Hospital Regional Universitario de Málaga, Universidad de MálagaMálaga, Spain
| | - Raquel Gómez de Heras
- Departamento de Psicobiología, Facultad de Psicología, Universidad Complutense de Madrid Madrid, Spain
| | - Juan Suárez
- Instituto de Investigación Biomédica de Málaga (IBIMA), Unidad de Gestión Clínica de Salud Mental, Hospital Regional Universitario de Málaga, Universidad de MálagaMálaga, Spain; Departamento de Biología Celular, Genética y Fisiología, Instituto de Investigación Biomédica de Málaga (IBIMA), Facultad de Ciencias, Universidad de MálagaMálaga, Spain
| | - Fernando Rodríguez de Fonseca
- Departamento de Psicobiología, Facultad de Psicología, Universidad Complutense de MadridMadrid, Spain; Instituto de Investigación Biomédica de Málaga (IBIMA), Unidad de Gestión Clínica de Salud Mental, Hospital Regional Universitario de Málaga, Universidad de MálagaMálaga, Spain
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Zhang Q, Sun X, Xiao X, Zheng J, Li M, Yu M, Ping F, Wang Z, Qi C, Wang T, Wang X. Effects of Maternal Chromium Restriction on the Long-Term Programming in MAPK Signaling Pathway of Lipid Metabolism in Mice. Nutrients 2016; 8:nu8080488. [PMID: 27517955 PMCID: PMC4997401 DOI: 10.3390/nu8080488] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2016] [Revised: 08/02/2016] [Accepted: 08/03/2016] [Indexed: 12/24/2022] Open
Abstract
It is now broadly accepted that the nutritional environment in early life is a key factor in susceptibility to metabolic diseases. In this study, we evaluated the effects of maternal chromium restriction in vivo on the modulation of lipid metabolism and the mechanisms involved in this process. Sixteen pregnant C57BL mice were randomly divided into two dietary treatments: a control (C) diet group and a low chromium (L) diet group. The diet treatment was maintained through gestation and lactation period. After weaning, some of the pups continued with either the control diet or low chromium diet (CC or LL), whereas other pups switched to another diet (CL or LC). At 32 weeks of age, serum lipid metabolism, proinflammatory indexes, oxidative stress and anti-oxidant markers, and DNA methylation status in adipose tissue were measured. The results indicated that the maternal low chromium diet increased body weight, fat pad weight, serum triglyceride (TG), low-density lipoprotein cholesterol (LDL), tumor necrosis factor-α (TNF-α), malondialdehyde (MDA), and oxidized glutathione (GSSG). There was a decrease in serum reduced/oxidized glutathione (GSH/GSSG) ratio at 32 weeks of age in female offspring. From adipose tissue, we identified 1214 individual hypomethylated CpG sites and 411 individual hypermethylated CpG sites in the LC group when compared to the CC group. Pathway analysis of the differential methylation genes revealed a significant increase in hypomethylated genes in the mitogen-activated protein kinase (MAPK) signaling pathway in the LC group. Our study highlights the importance of the MAPK signaling pathway in epigenetic changes involved in the lipid metabolism of the offspring from chromium-restricted dams.
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Affiliation(s)
- Qian Zhang
- Key Laboratory of Endocrinology, Ministry of Health, Translational Medical Center, Department of Endocrinology, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing 100730, China.
| | - Xiaofang Sun
- Department of Endocrinology, The Affiliated Hospital of Qingdao University, Qingdao 266003, China.
| | - Xinhua Xiao
- Key Laboratory of Endocrinology, Ministry of Health, Translational Medical Center, Department of Endocrinology, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing 100730, China.
| | - Jia Zheng
- Key Laboratory of Endocrinology, Ministry of Health, Translational Medical Center, Department of Endocrinology, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing 100730, China.
| | - Ming Li
- Key Laboratory of Endocrinology, Ministry of Health, Translational Medical Center, Department of Endocrinology, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing 100730, China.
| | - Miao Yu
- Key Laboratory of Endocrinology, Ministry of Health, Translational Medical Center, Department of Endocrinology, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing 100730, China.
| | - Fan Ping
- Key Laboratory of Endocrinology, Ministry of Health, Translational Medical Center, Department of Endocrinology, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing 100730, China.
| | - Zhixin Wang
- Key Laboratory of Endocrinology, Ministry of Health, Translational Medical Center, Department of Endocrinology, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing 100730, China.
| | - Cuijuan Qi
- Key Laboratory of Endocrinology, Ministry of Health, Translational Medical Center, Department of Endocrinology, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing 100730, China.
| | - Tong Wang
- Key Laboratory of Endocrinology, Ministry of Health, Translational Medical Center, Department of Endocrinology, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing 100730, China.
| | - Xiaojing Wang
- Key Laboratory of Endocrinology, Ministry of Health, Translational Medical Center, Department of Endocrinology, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing 100730, China.
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24
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Infection Susceptibility in Gastric Intrinsic Factor (Vitamin B12)-Defective Mice Is Subject to Maternal Influences. mBio 2016; 7:mBio.00830-16. [PMID: 27329747 PMCID: PMC4916386 DOI: 10.1128/mbio.00830-16] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
UNLABELLED Mice harboring a mutation in the gene encoding gastric intrinsic factor (Gif), a protein essential for the absorption of vitamin B12/cobalamin (Cbl), have potential as a model to explore the role of vitamins in infection. The levels of Cbl in the blood of Gif(tm1a/tm1a) mutant mice were influenced by the maternal genotype, with offspring born to heterozygous (high Cbl, F1) mothers exhibiting a significantly higher serum Cbl level than those born to homozygous (low Cbl, F2) equivalents. Low Cbl levels correlated with susceptibility to an infectious challenge with Salmonella enterica serovar Typhimurium or Citrobacter rodentium, and this susceptibility phenotype was moderated by Cbl administration. Transcriptional and metabolic profiling revealed that Cbl deficient mice exhibited a bioenergetic shift similar to a metabolic phenomenon commonly found in cancerous cells under hypoxic conditions known as the Warburg effect, with this metabolic effect being exacerbated further by infection. Our findings demonstrate a role for Cbl in bacterial infection, with potential general relevance to dietary deficiency and infection susceptibility. IMPORTANCE Malnutrition continues to be a major public health problem in countries with weak infrastructures. In communities with a high prevalence of poor diet, malnourishment and infectious disease can impact vulnerable individuals such as pregnant women and children. Here, we describe a highly flexible murine model for monitoring maternal and environmental influences of vitamin B12 metabolism. We also demonstrate the potential importance of vitamin B12 in controlling susceptibility to bacterial pathogens such as C. rodentium and S Typhimurium. We postulate that this model, along with similarly vitamin deficient mice, could be used to further explore the mechanisms associated with micronutrients and susceptibility to diseases, thereby increasing our understanding of disease in the malnourished.
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Catalán Ú, Rubió L, López de las Hazas MC, Herrero P, Nadal P, Canela N, Pedret A, Motilva MJ, Solà R. Hydroxytyrosol and its complex forms (secoiridoids) modulate aorta and heart proteome in healthy rats: Potential cardio-protective effects. Mol Nutr Food Res 2016; 60:2114-2129. [DOI: 10.1002/mnfr.201600052] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2016] [Revised: 04/07/2016] [Accepted: 04/13/2016] [Indexed: 11/10/2022]
Affiliation(s)
- Úrsula Catalán
- Functional Nutrition, Oxidation and Cardiovascular Diseases Group (NFOC-Salut), Unit of Lipids and Atherosclerosis Research (URLA), Centro de Investigación Biomédica en Red de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM), Hospital Universitari Sant Joan, IISPV, Technological Center of Nutrition and Health (CTNS), Faculty of Medicine and Health Sciences; Universitat Rovira i Virgili; Sant Llorenç Reus Spain
| | - Laura Rubió
- Functional Nutrition, Oxidation and Cardiovascular Diseases Group (NFOC-Salut), Unit of Lipids and Atherosclerosis Research (URLA), Centro de Investigación Biomédica en Red de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM), Hospital Universitari Sant Joan, IISPV, Technological Center of Nutrition and Health (CTNS), Faculty of Medicine and Health Sciences; Universitat Rovira i Virgili; Sant Llorenç Reus Spain
- Food Technology Department; Universitat de Lleida-AGROTECNIO Center; Lleida Spain
| | | | - Pol Herrero
- Centre for Omic Sciences; Universitat Rovira i Virgili (COS-URV); Reus Spain
| | - Pedro Nadal
- Centre for Omic Sciences; Universitat Rovira i Virgili (COS-URV); Reus Spain
| | - Núria Canela
- Centre for Omic Sciences; Universitat Rovira i Virgili (COS-URV); Reus Spain
| | - Anna Pedret
- Functional Nutrition, Oxidation and Cardiovascular Diseases Group (NFOC-Salut), Unit of Lipids and Atherosclerosis Research (URLA), Centro de Investigación Biomédica en Red de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM), Hospital Universitari Sant Joan, IISPV, Technological Center of Nutrition and Health (CTNS), Faculty of Medicine and Health Sciences; Universitat Rovira i Virgili; Sant Llorenç Reus Spain
| | - Maria-José Motilva
- Food Technology Department; Universitat de Lleida-AGROTECNIO Center; Lleida Spain
| | - Rosa Solà
- Functional Nutrition, Oxidation and Cardiovascular Diseases Group (NFOC-Salut), Unit of Lipids and Atherosclerosis Research (URLA), Centro de Investigación Biomédica en Red de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM), Hospital Universitari Sant Joan, IISPV, Technological Center of Nutrition and Health (CTNS), Faculty of Medicine and Health Sciences; Universitat Rovira i Virgili; Sant Llorenç Reus Spain
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26
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Li J, Cordero P, Nguyen V, Oben JA. The Role of Vitamins in the Pathogenesis of Non-alcoholic Fatty Liver Disease. INTEGRATIVE MEDICINE INSIGHTS 2016; 11:19-25. [PMID: 27147819 PMCID: PMC4849418 DOI: 10.4137/imi.s31451] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 09/04/2015] [Revised: 11/19/2015] [Accepted: 11/24/2015] [Indexed: 02/06/2023]
Abstract
The incidence of non-alcoholic fatty liver disease (NAFLD) is rising rapidly in parallel with obesity rates. The underlying pathogenesis of NAFLD remains an enigma but is largely influenced by individual lifestyle choices involving diet and exercise. Therefore, studies have highlighted the importance of calorie reduction and macronutrient composition (eg, carbohydrate and fat) in modifying disease outcomes. Micronutrients are also believed to play a role in disease progression. There are now an increasing number of studies linking vitamins with NAFLD, particularly vitamin E, and the supplementation of several different vitamins has been demonstrated as a promising therapeutic option in the treatment of NAFLD. This review provides a broad overview of the potential role of vitamins in NAFLD development and disease management.
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Affiliation(s)
- Jiawei Li
- Institute for Liver and Digestive Health, University College London, London, UK
| | - Paul Cordero
- Institute for Liver and Digestive Health, University College London, London, UK
| | - Vi Nguyen
- Institute for Liver and Digestive Health, University College London, London, UK.; Department of Gastroenterology and Hepatology, Guy's and St Thomas' Hospital NHS Foundation Trust, London, UK
| | - Jude A Oben
- Institute for Liver and Digestive Health, University College London, London, UK.; Department of Gastroenterology and Hepatology, Guy's and St Thomas' Hospital NHS Foundation Trust, London, UK
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Basak T, Garg G, Bhardwaj N, Tanwar VS, Seth S, Karthikeyan G, Sengupta S. Low holo-transcobalamin levels are prevalent in vegetarians and is associated with coronary artery disease in Indian population. Biomarkers 2016; 21:436-40. [DOI: 10.3109/1354750x.2016.1153718] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Affiliation(s)
- Trayambak Basak
- Genomics and Molecular Medicine Unit, CSIR-Institute of Genomics and Integrative Biology, Sukhdev Vihar, New Delhi, India
- Academy of Scientific & Innovative Research (AcSIR), CSIR-IGIB Campus, New Delhi, India
| | - Gaurav Garg
- Genomics and Molecular Medicine Unit, CSIR-Institute of Genomics and Integrative Biology, Sukhdev Vihar, New Delhi, India
| | - Nitin Bhardwaj
- Genomics and Molecular Medicine Unit, CSIR-Institute of Genomics and Integrative Biology, Sukhdev Vihar, New Delhi, India
| | - Vinay Singh Tanwar
- Genomics and Molecular Medicine Unit, CSIR-Institute of Genomics and Integrative Biology, Sukhdev Vihar, New Delhi, India
| | - Sandeep Seth
- Department of Cardiology, All India Institute of Medical Sciences, New Delhi, India
| | - Ganesan Karthikeyan
- Department of Cardiology, All India Institute of Medical Sciences, New Delhi, India
| | - Shantanu Sengupta
- Genomics and Molecular Medicine Unit, CSIR-Institute of Genomics and Integrative Biology, Sukhdev Vihar, New Delhi, India
- Academy of Scientific & Innovative Research (AcSIR), CSIR-IGIB Campus, New Delhi, India
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Abstract
Type 2 diabetes (T2D) has become an increasingly challenging health burden due to its high morbidity, mortality, and heightened prevalence worldwide. Although dietary and nutritional imbalances have long been recognized as key risk factors for T2D, the underlying mechanisms remain unclear. The advent of nutritional systems biology, a field that aims to elucidate the interactions between dietary nutrients and endogenous molecular entities in disease-related tissues, offers unique opportunities to unravel the complex mechanisms underlying the health-modifying capacities of nutritional molecules. The recent revolutionary advances in omics technologies have particularly empowered this incipient field. In this review, we discuss the applications of multi-omics approaches toward a systems-level understanding of how dietary patterns and particular nutrients modulate the risk of T2D. We focus on nutritional studies utilizing transcriptomics, epigenomomics, proteomics, metabolomics, and microbiomics, and integration of diverse omics technologies. We also summarize the potential molecular mechanisms through which nutritional imbalances contribute to T2D pathogenesis based on these studies. Finally, we discuss the remaining challenges of nutritional systems biology and how the field can be optimized to further our understanding of T2D and guide disease management via nutritional interventions.
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Affiliation(s)
- Yuqi Zhao
- Department of Integrative Biology and Physiology, University of California, Los Angeles, Los Angeles, CA 90095 USA
| | - Rio Elizabeth Barrere-Cain
- Department of Integrative Biology and Physiology, University of California, Los Angeles, Los Angeles, CA 90095 USA
| | - Xia Yang
- Department of Integrative Biology and Physiology, University of California, Los Angeles, Los Angeles, CA 90095 USA
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Ahmad S, Basak T, Anand Kumar K, Bhardwaj G, Lalitha A, Yadav DK, Chandak GR, Raghunath M, Sengupta S. Maternal micronutrient deficiency leads to alteration in the kidney proteome in rat pups. J Proteomics 2015; 127:178-84. [PMID: 25982389 DOI: 10.1016/j.jprot.2015.04.035] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2015] [Revised: 04/28/2015] [Accepted: 04/29/2015] [Indexed: 11/25/2022]
Abstract
Maternal nutritional deficiency significantly perturbs the offspring's physiology predisposing them to metabolic diseases during adulthood. Vitamin B12 and folate are two such micronutrients, whose deficiency leads to elevated homocysteine levels. We earlier generated B12 and/or folate deficient rat models and using high-throughput proteomic approach, showed that maternal vitamin B12 deficiency modulates carbohydrate and lipid metabolism in the liver of pups through regulation of PPAR signaling pathway. In this study, using similar approach, we identified 26 differentially expressed proteins in the kidney of pups born to mothers fed with vitamin B12 deficient diet while only four proteins were identified in the folate deficient group. Importantly, proteins like calreticulin, cofilin 1 and nucleoside diphosphate kinase B that are involved in the functioning of the kidney were upregulated in B12 deficient group. Our results hint towards a larger effect of vitamin B12 deficiency compared to that of folate presumably due to greater elevation of homocysteine in vitamin B12 deficient group. In view of widespread vitamin B12 and folate deficiency and its association with several diseases like anemia, cardiovascular and renal diseases, our results may have large implications for kidney diseases in populations deficient in vitamin B12 especially in vegetarians and the elderly people.This article is part of a Special Issue entitled: Proteomics in India.
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Affiliation(s)
- Shadab Ahmad
- Genomics and Molecular Medicine unit, CSIR-Institute of Genomics and Integrative Biology, Sukhdev Vihar, Mathura Road, New Delhi 110 020, India
| | - Trayambak Basak
- Genomics and Molecular Medicine unit, CSIR-Institute of Genomics and Integrative Biology, Sukhdev Vihar, Mathura Road, New Delhi 110 020, India; Academy of Scientific & Innovative Research (AcSIR), CSIR-IGIB Campus, New Delhi, India
| | | | - Gourav Bhardwaj
- Genomics and Molecular Medicine unit, CSIR-Institute of Genomics and Integrative Biology, Sukhdev Vihar, Mathura Road, New Delhi 110 020, India
| | - A Lalitha
- National Institute of Nutrition, Hyderabad, India
| | - Dilip K Yadav
- CSIR-Centre for Cellular and Molecular Biology, Hyderabad, India
| | | | | | - Shantanu Sengupta
- Genomics and Molecular Medicine unit, CSIR-Institute of Genomics and Integrative Biology, Sukhdev Vihar, Mathura Road, New Delhi 110 020, India; Academy of Scientific & Innovative Research (AcSIR), CSIR-IGIB Campus, New Delhi, India.
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30
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Kumar KA, Lalitha A, Reddy U, Chandak GR, Sengupta S, Raghunath M. Chronic maternal vitamin B12 restriction induced changes in body composition & glucose metabolism in the Wistar rat offspring are partly correctable by rehabilitation. PLoS One 2014; 9:e112991. [PMID: 25398136 PMCID: PMC4232526 DOI: 10.1371/journal.pone.0112991] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2014] [Accepted: 10/17/2014] [Indexed: 01/14/2023] Open
Abstract
Maternal under-nutrition increases the risk of developing metabolic diseases. We studied the effects of chronic maternal dietary vitamin B12 restriction on lean body mass (LBM), fat free mass (FFM), muscle function, glucose tolerance and metabolism in Wistar rat offspring. Prevention/reversibility of changes by rehabilitating restricted mothers from conception or parturition and their offspring from weaning was assessed. Female weaning Wistar rats (n = 30) were fed ad libitum for 12 weeks, a control diet (n = 6) or the same with 40% restriction of vitamin B12 (B12R) (n = 24); after confirming deficiency, were mated with control males. Six each of pregnant B12R dams were rehabilitated from conception and parturition and their offspring weaned to control diet. While offspring of six B12R dams were weaned to control diet, those of the remaining six B12R dams continued on B12R diet. Biochemical parameters and body composition were determined in dams before mating and in male offspring at 3, 6, 9 and 12 months of their age. Dietary vitamin B12 restriction increased body weight but decreased LBM% and FFM% but not the percent of tissue associated fat (TAF%) in dams. Maternal B12R decreased LBM% and FFM% in the male offspring, but their TAF%, basal and insulin stimulated glucose uptake by diaphragm were unaltered. At 12 months age, B12R offspring had higher (than controls) fasting plasma glucose, insulin, HOMA-IR and impaired glucose tolerance. Their hepatic gluconeogenic enzyme activities were increased. B12R offspring had increased oxidative stress and decreased antioxidant status. Changes in body composition, glucose metabolism and stress were reversed by rehabilitating B12R dams from conception, whereas rehabilitation from parturition and weaning corrected them partially, highlighting the importance of vitamin B12 during pregnancy and lactation on growth, muscle development, glucose tolerance and metabolism in the offspring.
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Affiliation(s)
- Kalle Anand Kumar
- Division of Endocrinology and Metabolism, National Institute of Nutrition, Indian Council of Medical Research (ICMR), Hyderabad, Telangana, India
| | - Anumula Lalitha
- Division of Endocrinology and Metabolism, National Institute of Nutrition, Indian Council of Medical Research (ICMR), Hyderabad, Telangana, India
| | - Umakar Reddy
- Centre for Cellular and Molecular Biology (CCMB), Council of Scientific and Industrial Research (CSIR), Hyderabad, Telangana, India
| | - Giriraj Ratan Chandak
- Centre for Cellular and Molecular Biology (CCMB), Council of Scientific and Industrial Research (CSIR), Hyderabad, Telangana, India
| | - Shantanu Sengupta
- Institute of Genomics and Integrative Biology, Council of Scientific and Industrial Research (CSIR), New Delhi, India
| | - Manchala Raghunath
- Division of Endocrinology and Metabolism, National Institute of Nutrition, Indian Council of Medical Research (ICMR), Hyderabad, Telangana, India
- * E-mail:
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31
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Transcriptome profiling of biliary atresia from new born infants by deep sequencing. Mol Biol Rep 2014; 41:8063-9. [DOI: 10.1007/s11033-014-3704-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2014] [Accepted: 08/23/2014] [Indexed: 01/18/2023]
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32
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Finer S, Saravanan P, Hitman G, Yajnik C. The role of the one-carbon cycle in the developmental origins of Type 2 diabetes and obesity. Diabet Med 2014; 31:263-72. [PMID: 24344881 DOI: 10.1111/dme.12390] [Citation(s) in RCA: 59] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/15/2013] [Revised: 11/25/2013] [Accepted: 12/12/2013] [Indexed: 12/28/2022]
Abstract
Vitamin B12 deficiency is common in certain populations, such as in India, where there is also a rising prevalence of Type 2 diabetes, obesity and their complications. Human cohorts and animal models provide compelling data suggesting the role of the one-carbon cycle in modulating the risk of diabetes and adiposity via developmental programming. Early mechanistic studies in animals suggest that alterations to the cellular provision of methyl groups (via the one-carbon cycle) in early developmental life may disrupt DNA methylation and induce future adverse phenotypic changes. Furthermore, replacement of micronutrient deficits at suitable developmental stages may modulate this risk. Current human studies are limited by a range of factors, including the accuracy and availability of methods to measure nutritional components in the one-carbon cycle, and whether its disruptions exert tissue-specific effects. A greater understanding of the causal and mechanistic role of the one-carbon cycle is hoped to generate substantial insights into its role in the developmental origins of complex metabolic diseases and the potential of targeted and population-wide prevention strategies.
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Affiliation(s)
- S Finer
- University of Cambridge Metabolic Research Laboratories, Wellcome Trust-MRC Institute of Metabolic Science, Addenbrooke's Hospital, Cambridge, UK
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