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Dymek A, Oleksy Ł, Stolarczyk A, Bartosiewicz A. Choline-An Underappreciated Component of a Mother-to-Be's Diet. Nutrients 2024; 16:1767. [PMID: 38892700 PMCID: PMC11174651 DOI: 10.3390/nu16111767] [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: 05/02/2024] [Revised: 05/27/2024] [Accepted: 06/02/2024] [Indexed: 06/21/2024] Open
Abstract
The nutritional status of the mother-to-be has a key impact on the proper development of the fetus. Although all nutrients are important for the developing baby, recent research indicates the importance of adequate choline intake during the periconceptional period, pregnancy, and lactation. Choline plays a key role in the biosynthesis of cell membranes, supporting liver function, neurotransmission, brain development, and DNA and histone methylation. Choline participates in the formation of a child's nervous system, supports its cognitive development, and reduces the risk of neural tube defects. The human body is incapable of producing sufficient choline to meet its needs; therefore, it must be obtained from the diet. Current data indicate that most women in their reproductive years do not achieve the recommended daily intake of choline. The presented narrative review indicates the importance of educating mothers-to-be and thereby increasing their awareness of the effects of choline on maternal and child health, which can lead to a more aware and healthy pregnancy and proper child development.
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Affiliation(s)
- Agnieszka Dymek
- Students Scientific Club of Dietetics, Institute of Health Sciences, Medical College of Rzeszow University, 35-959 Rzeszow, Poland
| | - Łukasz Oleksy
- Department of Physiotherapy, Faculty of Health Sciences, Jagiellonian University Medical College, 31-008 Kraków, Poland
| | - Artur Stolarczyk
- Department of Orthopedics and Rehabilitation, Medical University of Warsaw, 02-091 Warsaw, Poland
| | - Anna Bartosiewicz
- Institute of Health Sciences, Medical College of Rzeszow University, 35-959 Rzeszow, Poland
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Xu X, Ying H, Huang L, Hong W, Chen W. Dietary choline intake and colorectal cancer: a cross-sectional study of 2005-2018 NHANES cycles. Front Nutr 2024; 11:1352535. [PMID: 38887505 PMCID: PMC11180780 DOI: 10.3389/fnut.2024.1352535] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2023] [Accepted: 05/14/2024] [Indexed: 06/20/2024] Open
Abstract
Background It remains unclear if choline intake is associated with colorectal cancer. Therefore, we examined data from the National Health and Nutrition Examination Survey (NHANES). Methods This cross-sectional study included 32,222 U.S. adults in the 2005-2018 NHANE cycles, among whom 227 reported colorectal cancer. Dietary choline was derived from 24-h recalls. Logistic regression estimated odds of colorectal cancer across increasing intake levels, adjusting for potential confounders. Results After adjusting for sociodemographic variables, BMI, alcohol use, smoking status, comorbidities, and dietary factors (energy, fat, fiber, and cholesterol), the odds ratio (OR) for colorectal cancer was 0.86 (95% CI: 0.69-1.06, p = 0.162) per 100 mg higher choline intake. Across increasing quartiles of choline intake, a non-significant inverse trend was observed (Q4 vs. Q1 OR: 0.76, 95%CI: 0.37 ~ 1.55, P-trend = 0.23). Subgroup analyses revealed largely consistent associations, with a significant interaction by hypertension status (P-interaction =0.022). Conclusion In this large, nationally representative sample of U.S. adults, higher dietary choline intake was not significantly associated with colorectal cancer odds after adjusting for potential confounders. However, a non-significant inverse trend was observed. Further prospective studies are needed to confirm these findings and elucidate the underlying mechanisms.
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Affiliation(s)
- Xijuan Xu
- Department of Colorectal Surgery, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
- Department of Anus and Intestine Surgery, Taizhou First People's Hospital, Taizhou, Zhejiang, China
| | - Hongan Ying
- Department of Geriatrics, Taizhou First People's Hospital, Taizhou, Zhejiang, China
| | - Lili Huang
- Department of Emergency, Taizhou First People's Hospital, Taizhou, Zhejiang, China
| | - Weiwen Hong
- Department of Anus and Intestine Surgery, Huangyan Hospital, Wenzhou Medical University, Taizhou, Zhejiang, China
| | - Wenbin Chen
- Department of Colorectal Surgery, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
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Bellio TA, Laguna-Torres JY, Campion MS, Chou J, Yee S, Blusztajn JK, Mellott TJ. Perinatal choline supplementation prevents learning and memory deficits and reduces brain amyloid Aβ42 deposition in AppNL-G-F Alzheimer's disease model mice. PLoS One 2024; 19:e0297289. [PMID: 38315685 PMCID: PMC10843108 DOI: 10.1371/journal.pone.0297289] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2023] [Accepted: 01/02/2024] [Indexed: 02/07/2024] Open
Abstract
Alzheimer's disease (AD) is characterized by cognitive and memory impairments and neuropathological abnormalities. AD has no cure, inadequate treatment options, and a limited understanding of possible prevention measures. Previous studies have demonstrated that AD model mice that received a diet high in the essential nutrient choline had reduced amyloidosis, cholinergic deficits, and gliosis, and increased neurogenesis. In this study, we investigated the lifelong effects of perinatal choline supplementation on behavior, cognitive function, and amyloidosis in AppNL-G-F AD model mice. Pregnant and lactating mice were given a diet containing either 1.1 g/kg (control) or 5 g/kg (supplemented) of choline chloride until weaning and subsequently, all offspring received the control diet throughout their life. At 3, 6, 9, and 12 months of age, animals were behaviorally tested in the Open Field Test, Elevated Plus Maze, Barnes Maze, and in a contextual fear conditioning paradigm. Immunohistochemical analysis of Aβ42 was also conducted on the brains of these mice. AppNL-G-F mice displayed hippocampal-dependent spatial learning deficits starting at 3-months-old that persisted until 12-months-old. These spatial learning deficits were fully prevented by perinatal choline supplementation at young ages (3 and 6 months) but not in older mice (12 months). AppNL-G-F mice also had impaired fearful learning and memory at 9- and 12-months-old that were diminished by choline supplementation. Perinatal choline supplementation reduced Aβ42 deposition in the amygdala, cortex, and hippocampus of AppNL-G-F mice. Together, these results demonstrate that perinatal choline supplementation is capable of preventing cognitive deficits and dampening amyloidosis in AppNL-G-F mice and suggest that ensuring adequate choline consumption during early life may be a valuable method to prevent or reduce AD dementia and neuropathology.
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Affiliation(s)
- Thomas A. Bellio
- Department of Pathology & Laboratory Medicine, Boston University Chobanian & Avedisian School of Medicine, Boston, Massachusetts, United States of America
| | - Jessenia Y. Laguna-Torres
- Department of Pathology & Laboratory Medicine, Boston University Chobanian & Avedisian School of Medicine, Boston, Massachusetts, United States of America
| | - Mary S. Campion
- Department of Pathology & Laboratory Medicine, Boston University Chobanian & Avedisian School of Medicine, Boston, Massachusetts, United States of America
| | - Jay Chou
- Department of Pathology & Laboratory Medicine, Boston University Chobanian & Avedisian School of Medicine, Boston, Massachusetts, United States of America
| | - Sheila Yee
- Department of Pathology & Laboratory Medicine, Boston University Chobanian & Avedisian School of Medicine, Boston, Massachusetts, United States of America
| | - Jan K. Blusztajn
- Department of Pathology & Laboratory Medicine, Boston University Chobanian & Avedisian School of Medicine, Boston, Massachusetts, United States of America
| | - Tiffany J. Mellott
- Department of Pathology & Laboratory Medicine, Boston University Chobanian & Avedisian School of Medicine, Boston, Massachusetts, United States of America
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Lee CW, Lee TV, Galvan E, Chen VCW, Bui S, Crouse SF, Fluckey JD, Smith SB, Riechman SE. The Effect of Choline and Resistance Training on Strength and Lean Mass in Older Adults. Nutrients 2023; 15:3874. [PMID: 37764658 PMCID: PMC10534351 DOI: 10.3390/nu15183874] [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: 08/09/2023] [Revised: 08/31/2023] [Accepted: 09/04/2023] [Indexed: 09/29/2023] Open
Abstract
Choline plays many important roles, including the synthesis of acetylcholine, and may affect muscle responses to exercise. We previously observed correlations between low choline intake and reduced gains in strength and lean mass following a 12-week resistance exercise training (RET) program for older adults. To further explore these findings, we conducted a randomized controlled trial. Three groups of 50-to-69-year-old healthy adults underwent a 12-week RET program (3x/week, 3 sets, 8-12 reps, 70% of maximum strength (1RM)) and submitted >48 diet logs (>4x/week for 12 weeks). Participants' diets were supplemented with 0.7 mg/kg lean/d (low, n = 13), 2.8 mg/kg lean/d (med, n = 11), or 7.5 mg/kg lean/d (high, n = 13) of choline from egg yolk and protein powder. The ANCOVA tests showed that low choline intake, compared with med or high choline intakes, resulted in significantly diminished gains in composite strength (leg press + chest press 1RM; low, 19.4 ± 8.2%; med, 46.8 ± 8.9%; high, 47.4 ± 8.1%; p = 0.034) and thigh-muscle quality (leg press 1RM/thigh lean mass; low, 12.3 ± 9.6%; med/high, 46.4 ± 7.0%; p = 0.010) after controlling for lean mass, protein, betaine, and vitamin B12. These data suggest that low choline intake may negatively affect strength gains with RET in older adults.
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Affiliation(s)
- Chang Woock Lee
- Department of Health and Human Performance, Nursing and Counseling, University of Houston-Victoria, Victoria, TX 77901, USA;
| | - Teak V. Lee
- Life Sciences Department, Pierce College, Woodland Hills, CA 91367, USA;
| | - Elfego Galvan
- School of Osteopathic Medicine in Arizona, A.T. Still University, Mesa, AZ 85206, USA;
| | - Vincent C. W. Chen
- Department of Integrative Health and Exercise Science, Georgian Court University, Lakewood, NJ 08701, USA;
| | - Steve Bui
- Department of Health and Human Performance, Utah Tech University, St. George, UT 84770, USA;
| | - Stephen F. Crouse
- Department of Kinesiology and Sport Management, Texas A&M University, College Station, TX 77843, USA; (S.F.C.); (J.D.F.)
| | - James D. Fluckey
- Department of Kinesiology and Sport Management, Texas A&M University, College Station, TX 77843, USA; (S.F.C.); (J.D.F.)
| | - Stephen B. Smith
- Department of Animal Science, Texas A&M University, College Station, TX 77843, USA
| | - Steven E. Riechman
- Department of Kinesiology and Sport Management, Texas A&M University, College Station, TX 77843, USA; (S.F.C.); (J.D.F.)
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Rocha MA, de Campos Vidal B, Mello MLS. Sodium Valproate Modulates the Methylation Status of Lysine Residues 4, 9 and 27 in Histone H3 of HeLa Cells. Curr Mol Pharmacol 2023; 16:197-210. [PMID: 35297358 DOI: 10.2174/1874467215666220316110405] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2021] [Revised: 12/27/2021] [Accepted: 01/12/2022] [Indexed: 11/22/2022]
Abstract
BACKGROUND Valproic acid/sodium valproate (VPA), a well-known anti-epileptic agent, inhibits histone deacetylases, induces histone hyperacetylation, promotes DNA demethylation, and affects the histone methylation status in some cell models. Histone methylation profiles have been described as potential markers for cervical cancer prognosis. However, histone methylation markers that can be studied in a cervical cancer cell line, like HeLa cells, have not been investigated following treatment with VPA. METHODS In this study, the effect of 0.5 mM and 2.0 mM VPA for 24 h on H3K4me2/me3, H3K9me/me2 and H3K27me/me3 signals as well as on KMT2D, EZH2, and KDM3A gene expression was investigated using confocal microscopy, Western blotting, and RT-PCR. Histone methylation changes were also investigated by Fourier-transform infrared spectroscopy (FTIR). RESULTS We found that VPA induces increased levels of H3K4me2/me3 and H3K9me, which are indicative of chromatin activation. Particularly, H3K4me2 markers appeared intensified close to the nuclear periphery, which may suggest their implication in increased transcriptional memory. The abundance of H3K4me2/me3 in the presence of VPA was associated with increased methyltransferase KMT2D gene expression. VPA induced hypomethylation of H3K9me2, which is associated with gene silencing, and concomitant with the demethylase KDM3A, it increased gene expression. Although VPA induces increased H3K27me/me3 levels, it is suggested that the role of the methyltransferase EZH2 in this context could be affected by interactions with this drug. CONCLUSION Histone FTIR spectra were not affected by VPA under present experimental conditions. Whether our epigenetic results are consistent with VPA affecting the aggressive tumorous state of HeLa cells, further investigation is required.
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Affiliation(s)
- Marina Amorim Rocha
- Department of Structural and Functional Biology, Institute of Biology, University of Campinas (Unicamp), 13083-862 Campinas, SP, Brazil
| | - Benedicto de Campos Vidal
- Department of Structural and Functional Biology, Institute of Biology, University of Campinas (Unicamp), 13083-862 Campinas, SP, Brazil
| | - Maria Luiza Silveira Mello
- Department of Structural and Functional Biology, Institute of Biology, University of Campinas (Unicamp), 13083-862 Campinas, SP, Brazil
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Choline Improves Neonatal Hypoxia-Ischemia Induced Changes in Male but Not Female Rats. Int J Mol Sci 2022; 23:ijms232213983. [PMID: 36430459 PMCID: PMC9694200 DOI: 10.3390/ijms232213983] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2022] [Revised: 11/07/2022] [Accepted: 11/09/2022] [Indexed: 11/16/2022] Open
Abstract
Choline is an essential nutrient with many roles in brain development and function. Supplementation of choline in early development can have long-lasting benefits. Our experiments aimed to determine the efficacy of choline supplementation in a postnatal day (PND) 10 rat model of neonatal hypoxia ischemia (HI) at term using both male and female rat pups. Choline (100 mg/kg) or saline administration was initiated the day after birth and given daily for 10 or 14 consecutive days. We determined choline's effects on neurite outgrowth of sex-specific cultured cerebellar granule cells after HI with and without choline. The magnitude of tissue loss in the cerebrum was determined at 72 h after HI and in adult rats. The efficacy of choline supplementation in improving motor ability and learning, tested using eyeblink conditioning, were assessed in young adult male and female rats. Overall, we find that choline improves neurite outgrowth, short-term histological measures and learning ability in males. Surprisingly, choline did not benefit females, and appears to exacerbate HI-induced changes.
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Abstract
BACKGROUND Autoimmune hepatitis has an unknown cause and genetic associations that are not disease-specific or always present. Clarification of its missing causality and heritability could improve prevention and management strategies. AIMS Describe the key epigenetic and genetic mechanisms that could account for missing causality and heritability in autoimmune hepatitis; indicate the prospects of these mechanisms as pivotal factors; and encourage investigations of their pathogenic role and therapeutic potential. METHODS English abstracts were identified in PubMed using multiple key search phases. Several hundred abstracts and 210 full-length articles were reviewed. RESULTS Environmental induction of epigenetic changes is the prime candidate for explaining the missing causality of autoimmune hepatitis. Environmental factors (diet, toxic exposures) can alter chromatin structure and the production of micro-ribonucleic acids that affect gene expression. Epistatic interaction between unsuspected genes is the prime candidate for explaining the missing heritability. The non-additive, interactive effects of multiple genes could enhance their impact on the propensity and phenotype of autoimmune hepatitis. Transgenerational inheritance of acquired epigenetic marks constitutes another mechanism of transmitting parental adaptations that could affect susceptibility. Management strategies could range from lifestyle adjustments and nutritional supplements to precision editing of the epigenetic landscape. CONCLUSIONS Autoimmune hepatitis has a missing causality that might be explained by epigenetic changes induced by environmental factors and a missing heritability that might reflect epistatic gene interactions or transgenerational transmission of acquired epigenetic marks. These unassessed or under-evaluated areas warrant investigation.
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Zenobi M, Bollatti J, Lopez A, Barton B, Hixson C, Maunsell F, Thatcher W, Miller-Cushon K, Santos J, Staples C, Nelson C. Effects of maternal choline supplementation on performance and immunity of progeny from birth to weaning. J Dairy Sci 2022; 105:9896-9916. [DOI: 10.3168/jds.2021-21689] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2021] [Accepted: 07/13/2022] [Indexed: 11/05/2022]
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Mattes RD, Rowe SB, Ohlhorst SD, Brown AW, Hoffman DJ, Liska DJ, Feskens EJM, Dhillon J, Tucker KL, Epstein LH, Neufeld LM, Kelley M, Fukagawa NK, Sunde RA, Zeisel SH, Basile AJ, Borth LE, Jackson E. Valuing the Diversity of Research Methods to Advance Nutrition Science. Adv Nutr 2022; 13:1324-1393. [PMID: 35802522 PMCID: PMC9340992 DOI: 10.1093/advances/nmac043] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Accepted: 04/08/2022] [Indexed: 12/13/2022] Open
Abstract
The ASN Board of Directors appointed the Nutrition Research Task Force to develop a report on scientific methods used in nutrition science to advance discovery, interpretation, and application of knowledge in the field. The genesis of this report was growing concern about the tone of discourse among nutrition professionals and the implications of acrimony on the productive study and translation of nutrition science. Too often, honest differences of opinion are cast as conflicts instead of areas of needed collaboration. Recognition of the value (and limitations) of contributions from well-executed nutrition science derived from the various approaches used in the discipline, as well as appreciation of how their layering will yield the strongest evidence base, will provide a basis for greater productivity and impact. Greater collaborative efforts within the field of nutrition science will require an understanding that each method or approach has a place and function that should be valued and used together to create the nutrition evidence base. Precision nutrition was identified as an important emerging nutrition topic by the preponderance of task force members, and this theme was adopted for the report because it lent itself to integration of many approaches in nutrition science. Although the primary audience for this report is nutrition researchers and other nutrition professionals, a secondary aim is to develop a document useful for the various audiences that translate nutrition research, including journalists, clinicians, and policymakers. The intent is to promote accurate, transparent, verifiable evidence-based communication about nutrition science. This will facilitate reasoned interpretation and application of emerging findings and, thereby, improve understanding and trust in nutrition science and appropriate characterization, development, and adoption of recommendations.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | - Leonard H Epstein
- University at Buffalo Jacobs School of Medicine and Biomedical Sciences, Buffalo, NY, USA
| | | | - Michael Kelley
- Michael Kelley Nutrition Science Consulting, Wauwatosa, WI, USA
| | - Naomi K Fukagawa
- USDA Beltsville Human Nutrition Research Center, Beltsville, MD, USA
| | | | - Steven H Zeisel
- University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
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Wolter JM, Jimenez JA, Stein JL, Zylka MJ. ToxCast chemical library Wnt screen identifies diethanolamine as an activator of neural progenitor proliferation. FASEB Bioadv 2022; 4:441-453. [PMID: 35812078 PMCID: PMC9254222 DOI: 10.1096/fba.2021-00163] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Revised: 03/03/2022] [Accepted: 03/04/2022] [Indexed: 12/04/2022] Open
Abstract
Numerous autism spectrum disorder (ASD) risk genes are associated with Wnt signaling, suggesting that brain development may be especially sensitive to genetic perturbation of this pathway. Additionally, valproic acid, which modulates Wnt signaling, increases risk for ASD when taken during pregnancy. We previously found that an autism-linked gain-of-function UBE3A T485A mutant construct hyperactivated canonical Wnt signaling, providing a genetic means to elevate Wnt signaling above baseline levels. To identify environmental use chemicals that enhance or suppress Wnt signaling, we screened the ToxCast Phase I and II libraries in cells expressing this autism-linked UBE3A T485A gain-of-function mutant construct. Using structural comparisons, we identify classes of chemicals that stimulated Wnt signaling, including ethanolamines, as well as chemicals that inhibited Wnt signaling, such as agricultural pesticides, and synthetic hormone analogs. To prioritize chemicals for follow-up, we leveraged predicted human exposure data, and identified diethanolamine (DEA) as a chemical that stimulates Wnt signaling in UBE3A T485A -transfected cells, and has a high potential for prenatal exposure in humans. DEA enhanced proliferation in primary human neural progenitor cell lines (phNPC), but did not affect expression of canonical Wnt target genes in NPCs or primary mouse neuron cultures. Instead, we found DEA increased expression of the H3K9 methylation sensitive gene CALB1, consistent with competitive inhibition of the methyl donor enzymatic pathways.
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Affiliation(s)
- Justin M. Wolter
- UNC Neuroscience CenterThe University of North Carolina at Chapel HillChapel HillNorth CarolinaUSA
- Department of Cell Biology and PhysiologyThe University of North Carolina at Chapel HillChapel HillNorth CarolinaUSA
- Carolina Institute for Developmental DisabilitiesThe University of North Carolina at Chapel HillChapel HillNorth CarolinaUSA
| | - Jessica A. Jimenez
- Curriculum in Toxicology & Environmental MedicineThe University of North Carolina at Chapel HillChapel HillNorth CarolinaUSA
| | - Jason L. Stein
- UNC Neuroscience CenterThe University of North Carolina at Chapel HillChapel HillNorth CarolinaUSA
- Department of GeneticsThe University of North Carolina at Chapel HillChapel HillNorth CarolinaUSA
| | - Mark J. Zylka
- UNC Neuroscience CenterThe University of North Carolina at Chapel HillChapel HillNorth CarolinaUSA
- Department of Cell Biology and PhysiologyThe University of North Carolina at Chapel HillChapel HillNorth CarolinaUSA
- Carolina Institute for Developmental DisabilitiesThe University of North Carolina at Chapel HillChapel HillNorth CarolinaUSA
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Maternal and neonatal one-carbon metabolites and the epigenome-wide infant response. J Nutr Biochem 2022; 101:108938. [PMID: 35017001 PMCID: PMC8847320 DOI: 10.1016/j.jnutbio.2022.108938] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2021] [Revised: 11/10/2021] [Accepted: 12/22/2021] [Indexed: 12/24/2022]
Abstract
Maternal prenatal status, as encapsulated by that to which a mother is exposed through diet and environment, is a key determinant of offspring health and disease. Alterations in DNA methylation (DNAm) may be a mechanism through which suboptimal prenatal conditions confer disease risk later in life. One-carbon metabolism (OCM) is critical to both fetal development and in supplying methyl donors needed for DNAm. Plasma concentrations of one-carbon metabolites across maternal first trimester (M1), maternal term (M3), and infant cord blood (CB) at birth were tested for association with DNAm patterns in CB from the Michigan Mother and Infant Pairs (MMIP) pregnancy cohort. The Illumina Infinium MethylationEPIC BeadChip was used to quantitatively evaluate DNAm across the epigenome. Global and single-site DNAm and metabolite models were adjusted for infant sex, estimated cell type proportions, and batch as covariates. Change in mean metabolite concentration across pregnancy (M1 to M3) was significantly different for S-adenosylhomocysteine (SAH), S-adenosylmethionine (SAM), betaine, and choline. Both M1 SAH and CB SAH were significantly associated with the global distribution of DNAm in CB, with indications of a shift toward less methylation. M3 SAH and CB SAH also displayed significant associations with locus-specific DNAm in infant CB (FDR<0.05). Our findings underscore the role of maternal one-carbon metabolites in shifting the global DNAm pattern in CB and emphasizes the need to closely evaluate how dietary status influences cellular methylation potential and ultimately offspring health.
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Irvine N, England-Mason G, Field CJ, Dewey D, Aghajafari F. Prenatal Folate and Choline Levels and Brain and Cognitive Development in Children: A Critical Narrative Review. Nutrients 2022; 14:nu14020364. [PMID: 35057545 PMCID: PMC8778665 DOI: 10.3390/nu14020364] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Revised: 01/12/2022] [Accepted: 01/13/2022] [Indexed: 01/13/2023] Open
Abstract
Women’s nutritional status during pregnancy can have long-term effects on children’s brains and cognitive development. Folate and choline are methyl-donor nutrients and are important for closure of the neural tube during fetal development. They have also been associated with brain and cognitive development in children. Animal studies have observed that prenatal folate and choline supplementation is associated with better cognitive outcomes in offspring and that these nutrients may have interactive effects on brain development. Although some human studies have reported associations between maternal folate and choline levels and child cognitive outcomes, results are not consistent, and no human studies have investigated the potential interactive effects of folate and choline. This lack of consistency could be due to differences in the methods used to assess folate and choline levels, the gestational trimester at which they were measured, and lack of consideration of potential confounding variables. This narrative review discusses and critically reviews current research examining the associations between maternal levels of folate and choline during pregnancy and brain and cognitive development in children. Directions for future research that will increase our understanding of the effects of these nutrients on children’s neurodevelopment are discussed.
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Affiliation(s)
- Nathalie Irvine
- O’Brien Centre for the Bachelor of Health Sciences, Cumming School of Medicine, University of Calgary, 3330 Hospital Drive NW, Calgary, AB T2N 4N1, Canada;
| | - Gillian England-Mason
- Owerko Centre, Alberta Children’s Hospital Research Institute, University of Calgary, 2500 University Drive NW, Calgary, AB T2N 1N4, Canada; (G.E.-M.); (D.D.)
- Department of Pediatrics, Cumming School of Medicine, Alberta Children’s Hospital, 28 Oki Drive NW, Calgary, AB T3B 6A8, Canada
| | - Catherine J. Field
- Department of Agricultural, Food and Nutritional Science, University of Alberta, 4-126C Li Ka Shing Centre for Research, 11203-87th Ave NW, Edmonton, AB T6G 2H5, Canada;
| | - Deborah Dewey
- Owerko Centre, Alberta Children’s Hospital Research Institute, University of Calgary, 2500 University Drive NW, Calgary, AB T2N 1N4, Canada; (G.E.-M.); (D.D.)
- Department of Pediatrics, Cumming School of Medicine, Alberta Children’s Hospital, 28 Oki Drive NW, Calgary, AB T3B 6A8, Canada
- Hotchkiss Brain Institute, Health Research Innovation Centre, Cumming School of Medicine, University of Calgary, 3330 Hospital Drive NW, Calgary, AB T2N 4N1, Canada
- Department of Community Health Sciences, Cumming School of Medicine, University of Calgary, 3D10, 3280 Hospital Drive NW, Calgary, AB T2N 4Z6, Canada
| | - Fariba Aghajafari
- Department of Community Health Sciences, Cumming School of Medicine, University of Calgary, 3D10, 3280 Hospital Drive NW, Calgary, AB T2N 4Z6, Canada
- Department of Family Medicine, Cumming School of Medicine, University of Calgary, G012, 3330 Hospital Drive NW, Calgary, AB T2N 4N1, Canada
- Correspondence:
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Bahnfleth CL, Strupp BJ, Caudill MA, Canfield RL. Prenatal choline supplementation improves child sustained attention: A 7-year follow-up of a randomized controlled feeding trial. FASEB J 2021; 36:e22054. [PMID: 34962672 PMCID: PMC9303951 DOI: 10.1096/fj.202101217r] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Revised: 10/22/2021] [Accepted: 11/08/2021] [Indexed: 01/23/2023]
Abstract
Numerous rodent studies demonstrate developmental programming of offspring cognition by maternal choline intake, with prenatal choline deprivation causing lasting adverse effects and supplemental choline producing lasting benefits. Few human studies have evaluated the effect of maternal choline supplementation on offspring cognition, with none following children to school age. Here, we report results from a controlled feeding study in which pregnant women were randomized to consume 480 mg choline/d (approximately the Adequate Intake [AI]) or 930 mg choline/d during the 3rd trimester. Sustained attention was assessed in the offspring at age 7 years (n = 20) using a signal detection task that showed benefits of maternal choline supplementation in a murine model. Children in the 930 mg/d group showed superior performance (vs. 480 mg/d group) on the primary endpoint (SAT score, p = .02) and a superior ability to maintain correct signal detections (hits) across the 12‐min session (p = .02), indicative of improved sustained attention. This group difference in vigilance decrement varied by signal duration (p = .04). For the briefest (17 ms) signals, the 480 mg/d group showed a 22.9% decline in hits across the session compared to a 1.5% increase in hits for the 930 mg/d group (p = .04). The groups did not differ in vigilance decrement for 29 or 50 ms signals. This pattern suggests an enhanced ability to sustain perceptual amplification of a brief low‐contrast visual signal by children in the 930 mg/d group. This inference of improved sustained attention by the 930 mg/d group is strengthened by the absence of group differences for false alarms, omissions, and off‐task behaviors. This pattern of results indicates that maternal 3rd trimester consumption of the choline AI for pregnancy (vs. double the AI) produces offspring with a poorer ability to sustain attention—reinforcing concerns that, on average, choline consumption by pregnant women is approximately 70% of the AI.
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Affiliation(s)
| | - Barbara J Strupp
- Division of Nutritional Sciences, Cornell University, Ithaca, New York, USA.,Department of Psychology, Cornell University, Ithaca, New York, USA
| | - Marie A Caudill
- Division of Nutritional Sciences, Cornell University, Ithaca, New York, USA
| | - Richard L Canfield
- Division of Nutritional Sciences, Cornell University, Ithaca, New York, USA
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14
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Prenatal Iron Deficiency and Choline Supplementation Interact to Epigenetically Regulate Jarid1b and Bdnf in the Rat Hippocampus into Adulthood. Nutrients 2021; 13:nu13124527. [PMID: 34960080 PMCID: PMC8706459 DOI: 10.3390/nu13124527] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2021] [Revised: 12/10/2021] [Accepted: 12/14/2021] [Indexed: 11/24/2022] Open
Abstract
Early-life iron deficiency (ID) causes long-term neurocognitive impairments and gene dysregulation that can be partially mitigated by prenatal choline supplementation. The long-term gene dysregulation is hypothesized to underlie cognitive dysfunction. However, mechanisms by which iron and choline mediate long-term gene dysregulation remain unknown. In the present study, using a well-established rat model of fetal-neonatal ID, we demonstrated that ID downregulated hippocampal expression of the gene encoding JmjC-ARID domain-containing protein 1B (JARID1B), an iron-dependent histone H3K4 demethylase, associated with a higher histone deacetylase 1 (HDAC1) enrichment and a lower enrichment of acetylated histone H3K9 (H3K9ac) and phosphorylated cAMP response element-binding protein (pCREB). Likewise, ID reduced transcriptional capacity of the gene encoding brain-derived neurotrophic factor (BDNF), a target of JARID1B, associated with repressive histone modifications such as lower H3K9ac and pCREB enrichments at the Bdnf promoters in the adult rat hippocampus. Prenatal choline supplementation did not prevent the ID-induced chromatin modifications at these loci but induced long-lasting repressive chromatin modifications in the iron-sufficient adult rats. Collectively, these findings demonstrated that the iron-dependent epigenetic mechanism mediated by JARID1B accounted for long-term Bdnf dysregulation by early-life ID. Choline supplementation utilized a separate mechanism to rescue the effect of ID on neural gene regulation. The negative epigenetic effects of choline supplementation in the iron-sufficient rat hippocampus necessitate additional investigations prior to its use as an adjunctive therapeutic agent.
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15
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Kurkinen K, Kärkkäinen O, Lehto SM, Luoma I, Kraav SL, Nieminen AI, Kivimäki P, Therman S, Tolmunen T. One-carbon and energy metabolism in major depression compared to chronic depression in adolescent outpatients: A metabolomic pilot study. JOURNAL OF AFFECTIVE DISORDERS REPORTS 2021. [DOI: 10.1016/j.jadr.2021.100261] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
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16
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Early-Life Iron Deficiency Anemia Programs the Hippocampal Epigenomic Landscape. Nutrients 2021; 13:nu13113857. [PMID: 34836113 PMCID: PMC8623089 DOI: 10.3390/nu13113857] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2021] [Revised: 10/21/2021] [Accepted: 10/25/2021] [Indexed: 01/04/2023] Open
Abstract
Iron deficiency (ID) anemia is the foremost micronutrient deficiency worldwide, affecting around 40% of pregnant women and young children. ID during the prenatal and early postnatal periods has a pronounced effect on neurodevelopment, resulting in long-term effects such as cognitive impairment and increased risk for neuropsychiatric disorders. Treatment of ID has been complicated as it does not always resolve the long-lasting neurodevelopmental deficits. In animal models, developmental ID results in abnormal hippocampal structure and function associated with dysregulation of genes involved in neurotransmission and synaptic plasticity. Dysregulation of these genes is a likely proximate cause of the life-long deficits that follow developmental ID. However, a direct functional link between iron and gene dysregulation has yet to be elucidated. Iron-dependent epigenetic modifications are one mechanism by which ID could alter gene expression across the lifespan. The jumonji and AT-rich interaction domain-containing (JARID) protein and the Ten-Eleven Translocation (TET) proteins are two families of iron-dependent epigenetic modifiers that play critical roles during neural development by establishing proper gene regulation during critical periods of brain development. Therefore, JARIDs and TETs can contribute to the iron-mediated epigenetic mechanisms by which early-life ID directly causes stable changes in gene regulation across the life span.
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17
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Mierziak J, Kostyn K, Boba A, Czemplik M, Kulma A, Wojtasik W. Influence of the Bioactive Diet Components on the Gene Expression Regulation. Nutrients 2021; 13:3673. [PMID: 34835928 PMCID: PMC8619229 DOI: 10.3390/nu13113673] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2021] [Revised: 10/13/2021] [Accepted: 10/14/2021] [Indexed: 02/07/2023] Open
Abstract
Diet bioactive components, in the concept of nutrigenetics and nutrigenomics, consist of food constituents, which can transfer information from the external environment and influence gene expression in the cell and thus the function of the whole organism. It is crucial to regard food not only as the source of energy and basic nutriments, crucial for living and organism development, but also as the factor influencing health/disease, biochemical mechanisms, and activation of biochemical pathways. Bioactive components of the diet regulate gene expression through changes in the chromatin structure (including DNA methylation and histone modification), non-coding RNA, activation of transcription factors by signalling cascades, or direct ligand binding to the nuclear receptors. Analysis of interactions between diet components and human genome structure and gene activity is a modern approach that will help to better understand these relations and will allow designing dietary guidances, which can help maintain good health.
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Affiliation(s)
- Justyna Mierziak
- Faculty of Biotechnology, University of Wrocław, Przybyszewskiego 63/77, 51-148 Wroclaw, Poland; (A.B.); (M.C.); (A.K.)
| | - Kamil Kostyn
- Department of Genetics, Plant Breeding & Seed Production, Faculty of Life Sciences and Technology, Wroclaw University of Environmental and Life Sciences, pl. Grunwaldzki 24A, 50-363 Wroclaw, Poland;
| | - Aleksandra Boba
- Faculty of Biotechnology, University of Wrocław, Przybyszewskiego 63/77, 51-148 Wroclaw, Poland; (A.B.); (M.C.); (A.K.)
| | - Magdalena Czemplik
- Faculty of Biotechnology, University of Wrocław, Przybyszewskiego 63/77, 51-148 Wroclaw, Poland; (A.B.); (M.C.); (A.K.)
| | - Anna Kulma
- Faculty of Biotechnology, University of Wrocław, Przybyszewskiego 63/77, 51-148 Wroclaw, Poland; (A.B.); (M.C.); (A.K.)
| | - Wioleta Wojtasik
- Faculty of Biotechnology, University of Wrocław, Przybyszewskiego 63/77, 51-148 Wroclaw, Poland; (A.B.); (M.C.); (A.K.)
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18
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Park E, Jeong JJ, Won SM, Sharma SP, Gebru YA, Ganesan R, Gupta H, Suk KT, Kim DJ. Gut Microbiota-Related Cellular and Molecular Mechanisms in the Progression of Nonalcoholic Fatty Liver Disease. Cells 2021; 10:cells10102634. [PMID: 34685614 PMCID: PMC8534099 DOI: 10.3390/cells10102634] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2021] [Revised: 09/25/2021] [Accepted: 09/29/2021] [Indexed: 12/12/2022] Open
Abstract
Nonalcoholic fatty liver disease (NAFLD) is one of the most common and increasing liver diseases worldwide. NAFLD is a term that involves a variety of conditions such as fatty liver, steatohepatitis, or fibrosis. Gut microbiota and its products have been extensively studied because of a close relation between NAFLD and microbiota in pathogenesis. In the progression of NAFLD, various microbiota-related molecular and cellular mechanisms, including dysbiosis, leaky bowel, endotoxin, bile acids enterohepatic circulation, metabolites, or alcohol-producing microbiota, are involved. Currently, diagnosis and treatment techniques using these mechanisms are being developed. In this review, we will introduce the microbiota-related mechanisms in the progression of NAFLD and future directions will be discussed.
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19
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Bekdash RA. Early Life Nutrition and Mental Health: The Role of DNA Methylation. Nutrients 2021; 13:nu13093111. [PMID: 34578987 PMCID: PMC8469584 DOI: 10.3390/nu13093111] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2021] [Revised: 09/01/2021] [Accepted: 09/03/2021] [Indexed: 02/05/2023] Open
Abstract
Does the quality of our diet during early life impact our long-term mental health? Accumulating evidence suggests that nutrition interacts with our genes and that there is a strong association between the quality of diet and mental health throughout life. Environmental influences such as maternal diet during pregnancy or offspring diet have been shown to cause epigenetic changes during critical periods of development, such as chemical modifications of DNA or histones by methylation for the regulation of gene expression. One-carbon metabolism, which consists of the folate and methionine cycles, is influenced by the diet and generates S-Adenosylmethinoine (SAM), the main methyl donor for methylation reactions such as DNA and histone methylation. This review provides current knowledge on how the levels of one-carbon metabolism associated micronutrients such as choline, betaine, folate, methionine and B vitamins that play a role in brain function can impact our well-being and mental health across the lifespan. Micronutrients that act as methyl donors for SAM formation could affect global or gene methylation, altering gene expression and phenotype. Strategies should then be adopted to better understand how these nutrients work and their impact at different stages of development to provide individualized dietary recommendations for better mental health outcomes.
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Affiliation(s)
- Rola A Bekdash
- Department of Biological Sciences, Rutgers University, Newark, NJ 07102, USA
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20
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Wang YC, Liu P, Yue LY, Huang F, Xu YX, Zhu CQ. NRSF deficiency leads to abnormal postnatal development of dentate gyrus and impairment of progenitors in subgranular zone of hippocampus. Hippocampus 2021; 31:935-956. [PMID: 33960056 DOI: 10.1002/hipo.23336] [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: 11/05/2020] [Revised: 04/19/2021] [Accepted: 04/25/2021] [Indexed: 02/05/2023]
Abstract
Neuron-restrictive silencing factor (NRSF) is a zinc-finger transcription factor that regulates expression of a diverse set of genes. However, NRSF function in brain development still remains elusive. In the present study, we generated NRSF-conditional knockout (NRSF-cKO) mice by hGFAP-Cre/loxp system to study the effect of NRSF deficiency on brain development. Results showed that NRSF conditional knockout caused a smaller hippocampus and a thinner granule cell layer (GCL) in mice. Moreover, the reduction and disarrangement of GFAP+ cells in subgranular zone (SGZ) of NRSF-cKO mice was accompanied with the decreased number of premature neurons, neural stem cells (NSCs) and neural progenitor cells (NPCs), as well as compromising the majority of mitotically active cells. The analysis of postnatal development of hippocampus indicated the existence of an abnormality at postnatal day (P) 8, rather than at P1, in NRSF-cKO mice, although the densities of Ki67+ cells with mitotic ability in dentate gyrus were relatively unaffected at P1 and P8. Meanwhile, NRSF deficiency led to abnormal organization of SGZ at P8 during postnatal development. RNA-Seq analysis revealed 79 deregulated genes in hippocampus of NRSF-cKO mice at P8, which were involved in p53 signal transduction, neuron migration and negative regulation of cell proliferation, etc. The deregulation of p53 pathway in NRSF-cKO mice at P1 and P8 was evidenced, of which p21/Cdkn1a was accumulated in a portion of NSCs and NPCs in hippocampus during postnatal development. Together, these results, for the first time, revealed that NRSF could significantly influence the postnatal development of hippocampus, especially the formation of SGZ.
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Affiliation(s)
- Yan-Cong Wang
- Department of Translational Neuroscience, Jing'an District Center Hospital of Shanghai, State Key Laboratory of Medical Neurobiology and MOE Frontier Center for Brain Science, Institutes of Brain Science, Fudan University, Shanghai, China
| | - Pu Liu
- Department of Translational Neuroscience, Jing'an District Center Hospital of Shanghai, State Key Laboratory of Medical Neurobiology and MOE Frontier Center for Brain Science, Institutes of Brain Science, Fudan University, Shanghai, China
| | - Ling-Yun Yue
- Department of Translational Neuroscience, Jing'an District Center Hospital of Shanghai, State Key Laboratory of Medical Neurobiology and MOE Frontier Center for Brain Science, Institutes of Brain Science, Fudan University, Shanghai, China
| | - Fang Huang
- Department of Translational Neuroscience, Jing'an District Center Hospital of Shanghai, State Key Laboratory of Medical Neurobiology and MOE Frontier Center for Brain Science, Institutes of Brain Science, Fudan University, Shanghai, China
| | - Yu-Xia Xu
- Department of Translational Neuroscience, Jing'an District Center Hospital of Shanghai, State Key Laboratory of Medical Neurobiology and MOE Frontier Center for Brain Science, Institutes of Brain Science, Fudan University, Shanghai, China
| | - Cui-Qing Zhu
- Department of Translational Neuroscience, Jing'an District Center Hospital of Shanghai, State Key Laboratory of Medical Neurobiology and MOE Frontier Center for Brain Science, Institutes of Brain Science, Fudan University, Shanghai, China
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21
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Waddell J, Rickman NC, He M, Tang N, Bearer CF. Choline supplementation prevents the effects of bilirubin on cerebellar-mediated behavior in choline-restricted Gunn rat pups. Pediatr Res 2021; 89:1414-1419. [PMID: 33027804 PMCID: PMC8024424 DOI: 10.1038/s41390-020-01187-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/24/2020] [Revised: 09/19/2020] [Accepted: 09/21/2020] [Indexed: 11/10/2022]
Abstract
BACKGROUND Bilirubin is produced by the breakdown of hemoglobin and is normally catabolized and excreted. Neurotoxic accumulation of serum bilirubin often occurs in premature infants. The homozygous Gunn rat lacks uridine diphosphate glucuronosyltransferase 1A1 (UGT1A1), the enzyme needed to biotransform bilirubin. This rodent model of hyperbilirubinemia emulates many aspects of bilirubin toxicity observed in the human infant. We demonstrate that choline supplementation in early postnatal development is neuroprotective in the choline-restricted Gunn rat, when hyperbilirubinemia is induced on postnatal day 5. METHODS We first compared behaviors and cerebellar weight of pups born to dams consuming regular rat chow to those of dams consuming choline-restricted diets. Second, we measured behaviors and cerebellar weights of pups born to choline-restricted dams, reared on a choline-restricted diet, supplemented with or without choline, and treated with or without sulfadimethoxine (SDMX). RESULTS A choline-restricted diet did not change the behavioral outcomes, but cerebellar weight was reduced in the choline-restricted group regardless of genotype or SDMX administration. SDMX induced behavioral deficits in jj pups, and choline supplementation improved most behavioral effects and cerebellar weight in SDMX-treated jj rats. CONCLUSIONS These results suggest that choline may be used as a safe and effective neuroprotective intervention against hyperbilirubinemia in the choline-deficient premature infant. IMPACT This article investigates the effect of neonatal jaundice/bilirubin neurotoxicity on cerebellar-mediated behaviors. This article explores the potential use of choline as an intervention capable of ameliorating the effect of bilirubin on the choline-restricted developing brain. This article opens the door for future studies on the action of choline in the presence of hyperbilirubinemia, especially in preterm neonates.
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Affiliation(s)
- Jaylyn Waddell
- Department of Pediatrics, University of Maryland School of Medicine, Baltimore, MD, 21201, USA
| | - Nicholas C Rickman
- Department of Pediatrics, Case Western Reserve University School of Medicine, Cleveland, OH, 44106, USA
| | - Min He
- Department of Pathology, Johns Hopkins University School of Medicine, Baltimore, MD, 21218, USA
| | - Ningfeng Tang
- Department of Orthopedics, University of Maryland School of Medicine, Baltimore, MD, 21201, USA
| | - Cynthia F Bearer
- Department of Pediatrics, Case Western Reserve University School of Medicine, Cleveland, OH, 44106, USA.
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22
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Alashmali S, Walchuk C, Cadonic C, Albensi BC, Aliani M, Suh M. The effect of choline availability from gestation to early development on brain and retina functions and phospholipid composition in a male mouse model. Nutr Neurosci 2021; 25:1594-1608. [PMID: 33641632 DOI: 10.1080/1028415x.2021.1885229] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
OBJECTIVES Although choline is essential for brain development and neural function, the effect of choline on retina function is not well understood. This study examined the effects of choline on neural tissues of brain and retina, and membrane phospholipid (PL) composition during fetal development. METHODS Pregnant C57BL/6 mice were fed one of 4 choline modified diets: i) control (Cont, 2.5g/kg), ii) choline deficient (Def, 0g/kg), iii) supplemented with choline chloride (Cho, 10g/kg) and iv) supplemented with egg phosphatidylcholine (PC, 10g/kg). At postnatal day (PD) 21, pups were weaned onto their mothers' respective diets until PD 45. Spatial memory was measured using the Morris Water Maze; retina function by electroretinogram (ERG); and PL composition with nuclear magnetic resonance spectroscopy. RESULTS Cho and PC supplementation enhanced cued learning and spatial memory abilities, respectively (p Def > PC > Cho, with no statistically significant alterations in cone-driven responses. There were no differences in the composition of major PLs in the brain and retina. In the brain, subclasses of ether PL, alkyl acyl- phosphatidylethanolamine (PEaa) and phosphatidylcholine (PCaa) were significantly greater among the PC supplemented group in comparison to the Def group. DISCUSSION These results indicate that while choline supplementation during gestation to an early developmental period is beneficial for spatial memory, contributions to retina function are minor. Assessment with a larger sample size of retinas could warrant the essentiality of choline for retina development.
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Affiliation(s)
- Shoug Alashmali
- Department of Clinical Nutrition, Faculty of Applied Medical Sciences, King Abdul Aziz University, Jeddah, Saudi Arabia.,Department of Food and Human Nutritional Sciences, University of Manitoba, Winnipeg, Canada.,Division of Neurodegenerative Disorders, Department of Food and Human Nutritional Sciences, St. Boniface Hospital Research Centre, Winnipeg, Canada
| | - Chelsey Walchuk
- Department of Food and Human Nutritional Sciences, University of Manitoba, Winnipeg, Canada.,Division of Neurodegenerative Disorders, Department of Food and Human Nutritional Sciences, St. Boniface Hospital Research Centre, Winnipeg, Canada.,Canadian Centre for Agri-Food Research in Health and Medicine, St. Boniface Hospital Research, Winnipeg, Canada
| | - Chris Cadonic
- Department of Pharmacology & Therapeutics, University of Manitoba, Winnipeg, Canada.,Division of Neurodegenerative Disorders, Department of Food and Human Nutritional Sciences, St. Boniface Hospital Research Centre, Winnipeg, Canada
| | - Benedict C Albensi
- Department of Pharmacology & Therapeutics, University of Manitoba, Winnipeg, Canada.,Division of Neurodegenerative Disorders, Department of Food and Human Nutritional Sciences, St. Boniface Hospital Research Centre, Winnipeg, Canada
| | - Michel Aliani
- Department of Food and Human Nutritional Sciences, University of Manitoba, Winnipeg, Canada.,Division of Neurodegenerative Disorders, Department of Food and Human Nutritional Sciences, St. Boniface Hospital Research Centre, Winnipeg, Canada.,Canadian Centre for Agri-Food Research in Health and Medicine, St. Boniface Hospital Research, Winnipeg, Canada
| | - Miyoung Suh
- Department of Food and Human Nutritional Sciences, University of Manitoba, Winnipeg, Canada.,Division of Neurodegenerative Disorders, Department of Food and Human Nutritional Sciences, St. Boniface Hospital Research Centre, Winnipeg, Canada.,Canadian Centre for Agri-Food Research in Health and Medicine, St. Boniface Hospital Research, Winnipeg, Canada
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23
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Miyachi Y, Akiyama K, Tsukuda Y, Kumrungsee T, Yanaka N. Liver choline metabolism and gene expression in choline-deficient mice offspring differ with gender. Biosci Biotechnol Biochem 2021; 85:447-451. [PMID: 33604639 DOI: 10.1093/bbb/zbaa047] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2020] [Accepted: 09/05/2020] [Indexed: 11/12/2022]
Abstract
Choline is an important nutrient during pregnancy and lactation. Maternal choline deficiency in CD-1 mice lowers liver betaine levels in male offspring. By contrast, it increases elovl3 and vanin-1 mRNA levels in female offspring. Taken together, these observations suggest gender-specific responses to a choline-deficient diet.
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Affiliation(s)
- Yukino Miyachi
- Graduate School of Integrated Sciences for Life, Hiroshima University, Higashi-Hiroshima, Japan
| | - Kei Akiyama
- Graduate School of Integrated Sciences for Life, Hiroshima University, Higashi-Hiroshima, Japan
| | - Yoshiko Tsukuda
- Graduate School of Integrated Sciences for Life, Hiroshima University, Higashi-Hiroshima, Japan
| | | | - Noriyuki Yanaka
- Graduate School of Integrated Sciences for Life, Hiroshima University, Higashi-Hiroshima, Japan
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24
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Guan X, Chen X, Dai L, Ma J, Zhang Q, Qu S, Bai Y, Wang Y. Low Maternal Dietary Intake of Choline Regulates Toll-Like Receptor 4 Expression Via Histone H3K27me3 in Fetal Mouse Neural Progenitor Cells. Mol Nutr Food Res 2020; 65:e2000769. [PMID: 33274576 DOI: 10.1002/mnfr.202000769] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2020] [Revised: 12/01/2020] [Indexed: 12/18/2022]
Abstract
SCOPE Choline is an essential nutrient and a primary dietary source of methyl groups that are vital for brain development. Low choline (LC) in the maternal diet during pregnancy alters neurogenesis in the fetal brain and leads to low cognitive performance. However, the key signaling pathways that are sensitive to maternal choline supply during neural progenitor cell (NPC) development and the epigenetic mechanisms by which choline availability regulates gene expression are unclear. METHODS AND RESULTS Timed-pregnant Nestin-CFPnuc transgenic mice are fed either a control diet or LC diet during E11-17. Gene expression changes in sorted E17 NPCs are identified by RNA sequencing. A maternal LC diet significantly increases Tlr4 transcription, causing premature neuronal differentiation and enhanced ethanol-induced NLRP3 inflammasome activation. No changes in DNA methylation at the Tlr4 gene promoter region are detected; however, a 70% decrease in H3K27me3 is observed in the LC-treated NPCs. Inhibition of EZH2 decreases H3K27me3 levels and increases Tlr4 expression. Conversely, the application of catalytically inactive Cas9 with EZH2 to increase H3K27me3 at the Tlr4 promoter causes reduced Tlr4 expression. CONCLUSION These data reveal an epigenetic mechanism for the effect of maternal choline availability on brain development, suggesting a likely intervention for neurodevelopmental diseases.
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Affiliation(s)
- Xingying Guan
- Department of Medical Genetics, College of Basic Medical Science, Third Military Medical University (Army Medical University), Chongqing, 400038, China
| | - Xuedan Chen
- Department of Medical Genetics, College of Basic Medical Science, Third Military Medical University (Army Medical University), Chongqing, 400038, China
| | - Limeng Dai
- Department of Medical Genetics, College of Basic Medical Science, Third Military Medical University (Army Medical University), Chongqing, 400038, China
| | - Jiming Ma
- Undergraduate Student Brigade, College of Basic Medical Science, Third Military Medical University (Army Medical University), Chongqing, 400038, China
| | - Qiming Zhang
- Undergraduate Student Brigade, College of Basic Medical Science, Third Military Medical University (Army Medical University), Chongqing, 400038, China
| | - Song Qu
- Undergraduate Student Brigade, College of Basic Medical Science, Third Military Medical University (Army Medical University), Chongqing, 400038, China
| | - Yun Bai
- Department of Medical Genetics, College of Basic Medical Science, Third Military Medical University (Army Medical University), Chongqing, 400038, China
| | - Yanyan Wang
- Department of Medical Genetics, College of Basic Medical Science, Third Military Medical University (Army Medical University), Chongqing, 400038, China
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25
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Waddell J, Hill E, Tang S, Jiang L, Xu S, Mooney SM. Choline Plus Working Memory Training Improves Prenatal Alcohol-Induced Deficits in Cognitive Flexibility and Functional Connectivity in Adulthood in Rats. Nutrients 2020; 12:E3513. [PMID: 33202683 PMCID: PMC7696837 DOI: 10.3390/nu12113513] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Revised: 10/27/2020] [Accepted: 11/12/2020] [Indexed: 12/28/2022] Open
Abstract
Fetal alcohol spectrum disorder (FASD) is the leading known cause of intellectual disability, and may manifest as deficits in cognitive function, including working memory. Working memory capacity and accuracy increases during adolescence when neurons in the prefrontal cortex undergo refinement. Rats exposed to low doses of ethanol prenatally show deficits in working memory during adolescence, and in cognitive flexibility in young adulthood. The cholinergic system plays a crucial role in learning and memory processes. Here we report that the combination of choline and training on a working memory task during adolescence significantly improved cognitive flexibility (performance on an attentional set shifting task) in young adulthood: 92% of all females and 81% of control males formed an attentional set, but only 36% of ethanol-exposed males did. Resting state functional magnetic resonance imaging showed that functional connectivity among brain regions was different between the sexes, and was altered by prenatal ethanol exposure and by choline + training. Connectivity, particularly between prefrontal cortex and striatum, was also different in males that formed a set compared with those that did not. Together, these findings indicate that prenatal exposure to low doses of ethanol has persistent effects on brain functional connectivity and behavior, that these effects are sex-dependent, and that an adolescent intervention could mitigate some of the effects of prenatal ethanol exposure.
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Affiliation(s)
- Jaylyn Waddell
- Division of Neonatology, Department of Pediatrics, University of Maryland School of Medicine, Baltimore, MD 21201, USA; (E.H.); (S.M.M.)
| | - Elizabeth Hill
- Division of Neonatology, Department of Pediatrics, University of Maryland School of Medicine, Baltimore, MD 21201, USA; (E.H.); (S.M.M.)
| | - Shiyu Tang
- Department of Diagnostic Radiology and Nuclear Medicine, University of Maryland School of Medicine, Baltimore, MD 21201, USA; (S.T.); (L.J.); (S.X.)
| | - Li Jiang
- Department of Diagnostic Radiology and Nuclear Medicine, University of Maryland School of Medicine, Baltimore, MD 21201, USA; (S.T.); (L.J.); (S.X.)
| | - Su Xu
- Department of Diagnostic Radiology and Nuclear Medicine, University of Maryland School of Medicine, Baltimore, MD 21201, USA; (S.T.); (L.J.); (S.X.)
| | - Sandra M. Mooney
- Division of Neonatology, Department of Pediatrics, University of Maryland School of Medicine, Baltimore, MD 21201, USA; (E.H.); (S.M.M.)
- Department of Nutrition, Nutrition Research Institute, University of North Carolina at Chapel Hill, Kannapolis, NC 28081, USA
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Ghazi T, Arumugam T, Foolchand A, Chuturgoon AA. The Impact of Natural Dietary Compounds and Food-Borne Mycotoxins on DNA Methylation and Cancer. Cells 2020; 9:E2004. [PMID: 32878338 PMCID: PMC7565866 DOI: 10.3390/cells9092004] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2020] [Revised: 08/24/2020] [Accepted: 08/25/2020] [Indexed: 12/16/2022] Open
Abstract
Cancer initiation and progression is an accumulation of genetic and epigenetic modifications. DNA methylation is a common epigenetic modification that regulates gene expression, and aberrant DNA methylation patterns are considered a hallmark of cancer. The human diet is a source of micronutrients, bioactive molecules, and mycotoxins that have the ability to alter DNA methylation patterns and are thus a contributing factor for both the prevention and onset of cancer. Micronutrients such as betaine, choline, folate, and methionine serve as cofactors or methyl donors for one-carbon metabolism and other DNA methylation reactions. Dietary bioactive compounds such as curcumin, epigallocatechin-3-gallate, genistein, quercetin, resveratrol, and sulforaphane reactivate essential tumor suppressor genes by reversing aberrant DNA methylation patterns, and therefore, they have shown potential against various cancers. In contrast, fungi-contaminated agricultural foods are a source of potent mycotoxins that induce carcinogenesis. In this review, we summarize the existing literature on dietary micronutrients, bioactive compounds, and food-borne mycotoxins that affect DNA methylation patterns and identify their potential in the onset and treatment of cancer.
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Affiliation(s)
| | | | | | - Anil A. Chuturgoon
- Department of Medical Biochemistry, School of Laboratory Medicine and Medical Science, College of Health Sciences, University of KwaZulu-Natal, Durban 4041, South Africa; (T.G.); (T.A.); (A.F.)
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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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Derbyshire E, Obeid R. Choline, Neurological Development and Brain Function: A Systematic Review Focusing on the First 1000 Days. Nutrients 2020; 12:E1731. [PMID: 32531929 PMCID: PMC7352907 DOI: 10.3390/nu12061731] [Citation(s) in RCA: 57] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2020] [Revised: 06/04/2020] [Accepted: 06/05/2020] [Indexed: 12/22/2022] Open
Abstract
The foundations of neurodevelopment across an individual's lifespan are established in the first 1000 days of life (2 years). During this period an adequate supply of nutrients are essential for proper neurodevelopment and lifelong brain function. Of these, evidence for choline has been building but has not been widely collated using systematic approaches. Therefore, a systematic review was performed to identify the animal and human studies looking at inter-relationships between choline, neurological development, and brain function during the first 1000 days of life. The database PubMed was used, and reference lists were searched. In total, 813 publications were subject to the title/abstract review, and 38 animal and 16 human studies were included after evaluation. Findings suggest that supplementing the maternal or child's diet with choline over the first 1000 days of life could subsequently: (1) support normal brain development (animal and human evidence), (2) protect against neural and metabolic insults, particularly when the fetus is exposed to alcohol (animal and human evidence), and (3) improve neural and cognitive functioning (animal evidence). Overall, most offspring would benefit from increased choline supply during the first 1000 days of life, particularly in relation to helping facilitate normal brain development. Health policies and guidelines should consider re-evaluation to help communicate and impart potential choline benefits through diet and/or supplementation approaches across this critical life stage.
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Affiliation(s)
| | - Rima Obeid
- Department of Clinical Chemistry, University Hospital of the Saarland, Building 57, 66424 Homburg, Germany;
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29
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McCauley SR, Clark SD, Quest BW, Streeter RM, Oxford EM. Review of canine dilated cardiomyopathy in the wake of diet-associated concerns. J Anim Sci 2020; 98:skaa155. [PMID: 32542359 PMCID: PMC7447921 DOI: 10.1093/jas/skaa155] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2020] [Accepted: 05/04/2020] [Indexed: 12/12/2022] Open
Abstract
Dilated cardiomyopathy (DCM) has been in the literature and news because of the recent opinion-based journal articles and public releases by regulatory agencies. DCM is commonly associated with a genetic predisposition in certain dog breeds and can also occur secondary to other diseases and nutritional deficiencies. Recent communications in veterinary journals have discussed a potential relationship between grain-free and/or novel protein diets to DCM, citing a subjective increase in DCM in dog breeds that are not known to have a genetic predisposition for the disease. This literature review describes clinical presentations of DCM, common sequelae, treatment and preventative measures, histopathologic features, and a discussion of the varied etiological origins of the disease. In addition, current literature limitations are addressed, in order to ascertain multiple variables leading to the development of DCM. Future studies are needed to evaluate one variable at a time and to minimize confounding variables and speculation. Furthermore, to prevent sampling bias with the current FDA reports, the veterinary community should be asked to provide information for all cases of DCM in dogs. This should include cases during the same time period, regardless of the practitioner's proposed etiology, due to no definitive association between diets with specific characteristics, such as, but not limited to, grain-free diets and those containing legumes, novel protein diets, and those produced by small manufacturers to DCM in dogs. In summary, in order to determine if certain ingredients, categories of diets, or manufacturing processes are related to an increased risk of DCM, further studies investigating these variables are necessary.
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Zeisel SH. Precision (Personalized) Nutrition: Understanding Metabolic Heterogeneity. Annu Rev Food Sci Technol 2020; 11:71-92. [DOI: 10.1146/annurev-food-032519-051736] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
People differ in their requirements for and responses to nutrients and bioactive molecules in the diet. Many inputs contribute to metabolic heterogeneity (including variations in genetics, epigenetics, microbiome, lifestyle, diet intake, and environmental exposure). Precision nutrition is not about developing unique prescriptions for individual people but rather about stratifying people into different subgroups of the population on the basis of biomarkers of the above-listed sources of metabolic variation and then using this stratification to better estimate the different subgroups’ dietary requirements, thereby enabling better dietary recommendations and interventions. The hope is that we will be able to subcategorize people into ever-smaller groups that can be targeted in terms of recommendations, but we will never achieve this at the individual level, thus, the choice of precision nutrition rather than personalized nutrition to designate this new field. This review focuses mainly on genetically related sources of metabolic heterogeneity and identifies challenges that need to be overcome to achieve a full understanding of the complex interactions between the many sources of metabolic heterogeneity that make people differ from one another in their requirements for and responses to foods. It also discusses the commercial applications of precision nutrition.
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Affiliation(s)
- Steven H. Zeisel
- Nutrition Research Institute, Department of Nutrition, University of North Carolina, Kannapolis, North Carolina 28081, USA
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31
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Rao A, van de Peppel IP, Gumber S, Karpen SJ, Dawson PA. Attenuation of the Hepatoprotective Effects of Ileal Apical Sodium Dependent Bile Acid Transporter (ASBT) Inhibition in Choline-Deficient L-Amino Acid-Defined (CDAA) Diet-Fed Mice. Front Med (Lausanne) 2020; 7:60. [PMID: 32158763 PMCID: PMC7052288 DOI: 10.3389/fmed.2020.00060] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2019] [Accepted: 02/10/2020] [Indexed: 12/15/2022] Open
Abstract
Non-alcoholic fatty liver disease (NAFLD) is a major growing worldwide health problem. We previously reported that interruption of the enterohepatic circulation of bile acids using a non-absorbable apical sodium-dependent bile acid transporter inhibitor (ASBTi; SC-435) reduced the development of NAFLD in high fat diet fed mice. However, the ability of ASBTi treatment to impact the progression of NAFLD to non-alcoholic steatohepatitis (NASH) and fibrosis in a diet-induced mouse model remains untested. In the current study, we assessed whether ASBTi treatment is hepatoprotective in the choline-deficient, L-amino acid-defined (CDAA) diet model of NASH-induced fibrosis. Methods: Male C57Bl/6 mice were fed with: (A) choline-sufficient L-amino acid-defined diet (CSAA) (31 kcal% fat), (B) CSAA diet plus ASBTi (SC-435; 60 ppm), (C) CDAA diet, or (D) CDAA diet plus ASBTi. Body weight and food intake were monitored. After 22 weeks on diet, liver histology, cholesterol and triglyceride levels, and gene expression were measured. Fecal bile acid and fat excretion were measured, and intestinal fat absorption was determined using the sucrose polybehenate method. Results: ASBTi treatment reduced bodyweight gain in mice fed either the CSAA or CDAA diet, and prevented the increase in liver to body weight ratio observed in CDAA-fed mice. ASBTi significantly reduced hepatic total cholesterol levels in both CSAA and CDAA-fed mice. ASBTi-associated significant reductions in hepatic triglyceride levels and histological scoring for NAFLD activity were observed in CSAA but not CDAA-fed mice. These changes correlated with measurements of intestinal fat absorption, which was significantly reduced in ASBTi-treated mice fed the CSAA (85 vs. 94%, P < 0.001) but not CDAA diet (93 vs. 93%). As scored by Ishak staging of Sirius red stained liver sections, no hepatic fibrosis was evident in the CSAA diet mice. The CDAA diet-fed mice developed hepatic fibrosis, which was increased by the ASBTi. Conclusions: ASBT inhibition reduced intestinal fat absorption, bodyweight gain and hepatic steatosis in CSAA diet-fed mice. The effects of the ASBTi on steatosis and fat absorption were attenuated in the context of dietary choline-deficiency. Inhibition of intestinal absorption of fatty acids may be involved in the therapeutic effects of ASBTi treatment.
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Affiliation(s)
- Anuradha Rao
- Department of Pediatrics, Emory University School of Medicine, Atlanta, GA, United States
| | - Ivo P van de Peppel
- Section of Molecular Metabolism and Nutrition, Department of Pediatrics, University Medical Center Groningen, University of Groningen, Groningen, Netherlands
| | - Sanjeev Gumber
- Division of Pathology, Yerkes National Primate Research Center, Emory University, Atlanta, GA, United States
| | - Saul J Karpen
- Department of Pediatrics, Emory University School of Medicine, Atlanta, GA, United States
| | - Paul A Dawson
- Department of Pediatrics, Emory University School of Medicine, Atlanta, GA, United States
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32
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Bottom RT, Abbott CW, Huffman KJ. Rescue of ethanol-induced FASD-like phenotypes via prenatal co-administration of choline. Neuropharmacology 2020; 168:107990. [PMID: 32044264 DOI: 10.1016/j.neuropharm.2020.107990] [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: 09/27/2019] [Revised: 01/22/2020] [Accepted: 02/04/2020] [Indexed: 10/25/2022]
Abstract
Maternal consumption of alcohol during pregnancy can generate a multitude of deficits in the offspring. Fetal Alcohol Spectrum Disorders, or FASD, describe a palette of potentially life-long phenotypes that result from exposure to ethanol during human gestation. There is no cure for FASD and cognitive-behavioral therapies typically have low success rates, especially in severe cases. The neocortex, responsible for complex cognitive and behavioral function, is altered by prenatal ethanol exposure (PrEE). Supplementation with choline, an essential nutrient, during the prenatal ethanol insult has been associated with a reduction of negative outcomes associated with PrEE. However, choline's ability to prevent deficits within the developing neocortex, as well as the underlying mechanisms, remain unclear. Here, we exposed pregnant mice to 25% ethanol in addition to a 642 mg/L choline chloride supplement throughout gestation to determine the impact of choline supplementation on neocortical and behavioral development in ethanol-exposed offspring. We found that concurrent choline supplementation prevented gross developmental abnormalities associated with PrEE including reduced body weight, brain weight, and cortical length as well as partially ameliorated PrEE-induced abnormalities in intraneocortical circuitry. Additionally, choline supplementation prevented altered expression of RZRβ and Id2, two genes implicated in postmitotic patterning of neocortex, and global DNA hypomethylation within developing neocortex. Lastly, choline supplementation prevented sensorimotor behavioral dysfunction and partially ameliorated increased anxiety-like behavior observed in PrEE mice, as assessed by the Suok and Ledge tests. Our results suggest that choline supplementation may represent a potent preventative measure for the adverse outcomes associated with PrEE.
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Affiliation(s)
- Riley T Bottom
- Interdepartmental Neuroscience Program, University of California, Riverside, 900 University Ave., Riverside, CA, 92521, USA
| | - Charles W Abbott
- Interdepartmental Neuroscience Program, University of California, Riverside, 900 University Ave., Riverside, CA, 92521, USA
| | - Kelly J Huffman
- Interdepartmental Neuroscience Program, University of California, Riverside, 900 University Ave., Riverside, CA, 92521, USA; Dept. of Psychology, University of California, Riverside; 900 University Ave., Riverside, CA, 92521, USA.
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Prenatal Choline Supplementation during High-Fat Feeding Improves Long-Term Blood Glucose Control in Male Mouse Offspring. Nutrients 2020; 12:nu12010144. [PMID: 31947955 PMCID: PMC7019888 DOI: 10.3390/nu12010144] [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: 11/26/2019] [Revised: 12/25/2019] [Accepted: 01/02/2020] [Indexed: 12/19/2022] Open
Abstract
Maternal obesity increases the risk of metabolic dysregulation in rodent offspring, especially when offspring are exposed to a high-fat (HF), obesogenic diet later in life. We previously demonstrated that maternal choline supplementation (MCS) in HF-fed mouse dams during gestation prevents fetal overgrowth and excess adiposity. In this study, we examined the long-term metabolic influence of MCS. C57BL/6J mice were fed a HF diet with or without choline supplementation prior to and during gestation. After weaning, their pups were exposed to either a HF or control diet for 6 weeks before measurements. Prenatal and post-weaning dietary treatments led to sexually dimorphic responses. In male offspring, while post-weaning HF led to impaired fasting glucose and worse glucose tolerance (p < 0.05), MCS in HF dams (HFCS) attenuated these changes. HFCS (versus maternal normal fat control) appeared to improve metabolic functioning of visceral adipose tissue during post-weaning HF feeding, preventing the elevation in leptin and increasing (p < 0.05) mRNA expression of insulin receptor substrate 1 (Irs1) that promotes peripheral insulin signaling in male offspring. In contrast, MCS had minimal effects on metabolic outcomes of female offspring. In conclusion, MCS during HF feeding in mice improves long-term blood glucose homeostasis in male offspring when they are faced with a postnatal obesogenic environment.
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34
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Bekdash RA. Neuroprotective Effects of Choline and Other Methyl Donors. Nutrients 2019; 11:nu11122995. [PMID: 31817768 PMCID: PMC6950346 DOI: 10.3390/nu11122995] [Citation(s) in RCA: 57] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2019] [Revised: 11/20/2019] [Accepted: 12/05/2019] [Indexed: 12/14/2022] Open
Abstract
Recent evidence suggests that physical and mental health are influenced by an intricate interaction between genes and environment. Environmental factors have been shown to modulate neuronal gene expression and function by epigenetic mechanisms. Exposure to these factors including nutrients during sensitive periods of life could program brain development and have long-lasting effects on mental health. Studies have shown that early nutritional intervention that includes methyl-donors improves cognitive functions throughout life. Choline is a micronutrient and a methyl donor that is required for normal brain growth and development. It plays a pivotal role in maintaining structural and functional integrity of cellular membranes. It also regulates cholinergic signaling in the brain via the synthesis of acetylcholine. Via its metabolites, it participates in pathways that regulate methylation of genes related to memory and cognitive functions at different stages of development. Choline-related functions have been dysregulated in some neurodegenerative diseases suggesting choline role in influencing mental health across the lifespan.
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Affiliation(s)
- Rola A Bekdash
- Department of Biological Sciences, Rutgers University, Newark, NJ 07102, USA
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35
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Transgenerational Response to Nitrogen Deprivation in Arabidopsis thaliana. Int J Mol Sci 2019; 20:ijms20225587. [PMID: 31717351 PMCID: PMC6888700 DOI: 10.3390/ijms20225587] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2019] [Revised: 10/31/2019] [Accepted: 11/06/2019] [Indexed: 12/24/2022] Open
Abstract
Nitrogen (N) deficiency is one of the major stresses that crops are exposed to. It is plausible to suppose that a stress condition can induce a memory in plants that might prime the following generations. Here, an experimental setup that considered four successive generations of N-sufficient and N-limited Arabidopsis was used to evaluate the existence of a transgenerational memory. The results demonstrated that the ability to take up high amounts of nitrate is induced more quickly as a result of multigenerational stress exposure. This behavior was paralleled by changes in the expression of nitrate responsive genes. RNAseq analyses revealed the enduring modulation of genes in downstream generations, despite the lack of stress stimulus in these plants. The modulation of signaling and transcription factors, such as NIGTs, NFYA and CIPK23 might indicate that there is a complex network operating to maintain the expression of N-responsive genes, such as NRT2.1, NIA1 and NIR. This behavior indicates a rapid acclimation of plants to changes in N availability. Indeed, when fourth generation plants were exposed to N limitation, they showed a rapid induction of N-deficiency responses. This suggests the possible involvement of a transgenerational memory in Arabidopsis that allows plants to adapt efficiently to the environment and this gives an edge to the next generation that presumably will grow in similar stressful conditions.
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36
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Serefidou M, Venkatasubramani AV, Imhof A. The Impact of One Carbon Metabolism on Histone Methylation. Front Genet 2019; 10:764. [PMID: 31555321 PMCID: PMC6722216 DOI: 10.3389/fgene.2019.00764] [Citation(s) in RCA: 62] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2019] [Accepted: 07/18/2019] [Indexed: 12/22/2022] Open
Abstract
The effect of one carbon metabolism on DNA methylation has been well described, bridging nutrition, metabolism, and epigenetics. This modification is mediated by the metabolite S-adenosyl methionine (SAM), which is also the methyl-donating substrate of histone methyltransferases. Therefore, SAM levels that are influenced by several nutrients, enzymes, and metabolic cofactors also have a potential impact on histone methylation. Although this modification plays a major role in chromatin accessibility and subsequently in gene expression in healthy or diseased states, its role in translating nutritional changes in chromatin structure has not been extensively studied. Here, we aim to review the literature of known mechanistic links between histone methylation and the central one carbon metabolism.
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Affiliation(s)
- Magdalini Serefidou
- Biomedical Center Munich, Department of Molecular Biology, Ludwig-Maximilians-University Munich, Munich, Germany
| | | | - Axel Imhof
- Biomedical Center Munich, Department of Molecular Biology, Ludwig-Maximilians-University Munich, Munich, Germany
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37
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Choline: Exploring the Growing Science on Its Benefits for Moms and Babies. Nutrients 2019; 11:nu11081823. [PMID: 31394787 PMCID: PMC6722688 DOI: 10.3390/nu11081823] [Citation(s) in RCA: 68] [Impact Index Per Article: 13.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2019] [Revised: 08/01/2019] [Accepted: 08/05/2019] [Indexed: 12/23/2022] Open
Abstract
The importance of ensuring adequate choline intakes during pregnancy is increasingly recognized. Choline is critical for a number of physiological processes during the prenatal period with roles in membrane biosynthesis and tissue expansion, neurotransmission and brain development, and methyl group donation and gene expression. Studies in animals and humans have shown that supplementing the maternal diet with additional choline improves several pregnancy outcomes and protects against certain neural and metabolic insults. Most pregnant women in the U.S. are not achieving choline intake recommendations of 450 mg/day and would likely benefit from boosting their choline intakes through dietary and/or supplemental approaches.
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38
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Trujillo-Gonzalez I, Friday WB, Munson CA, Bachleda A, Weiss ER, Alam NM, Sha W, Zeisel SH, Surzenko N. Low availability of choline in utero disrupts development and function of the retina. FASEB J 2019; 33:9194-9209. [PMID: 31091977 PMCID: PMC6662989 DOI: 10.1096/fj.201900444r] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2019] [Accepted: 04/15/2019] [Indexed: 12/14/2022]
Abstract
Adequate supply of choline, an essential nutrient, is necessary to support proper brain development. Whether prenatal choline availability plays a role in development of the visual system is currently unknown. In this study, we addressed the role of in utero choline supply for the development and later function of the retina in a mouse model. We lowered choline availability in the maternal diet during pregnancy and assessed proliferative and differentiation properties of retinal progenitor cells (RPCs) in the developing prenatal retina, as well as visual function in adult offspring. We report that low choline availability during retinogenesis leads to persistent retinal cytoarchitectural defects, ranging from focal lesions with displacement of retinal neurons into subretinal space to severe hypocellularity and ultrastructural defects in photoreceptor organization. We further show that low choline availability impairs timely differentiation of retinal neuronal cells, such that the densities of early-born retinal ganglion cells, amacrine and horizontal cells, as well as cone photoreceptor precursors, are reduced in low choline embryonic d 17.5 retinas. Maintenance of higher proportions of RPCs that fail to exit the cell cycle underlies aberrant neuronal differentiation in low choline embryos. Increased RPC cell cycle length, and associated reduction in neurofibromin 2/Merlin protein, an upstream regulator of the Hippo signaling pathway, at least in part, explain aberrant neurogenesis in low choline retinas. Furthermore, we find that animals exposed to low choline diet in utero exhibit a significant degree of intraindividual variation in vision, characterized by marked functional discrepancy between the 2 eyes in individual animals. Together, our findings demonstrate, for the first time, that choline availability plays an essential role in the regulation of temporal progression of retinogenesis and provide evidence for the importance of adequate supply of choline for proper development of the visual system.-Trujillo-Gonzalez, I., Friday, W. B., Munson, C. A., Bachleda, A., Weiss, E. R., Alam, N. M., Sha, W., Zeisel, S. H., Surzenko, N. Low availability of choline in utero disrupts development and function of the retina.
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Affiliation(s)
- Isis Trujillo-Gonzalez
- Nutrition Research Institute, University of North Carolina–Chapel Hill, Kannapolis, North Carolina, USA
| | - Walter B. Friday
- Nutrition Research Institute, University of North Carolina–Chapel Hill, Kannapolis, North Carolina, USA
| | - Carolyn A. Munson
- Nutrition Research Institute, University of North Carolina–Chapel Hill, Kannapolis, North Carolina, USA
| | - Amelia Bachleda
- Department of Cell Biology and Physiology, University of North Carolina–Chapel Hill, Chapel Hill, North Carolina, USA
| | - Ellen R. Weiss
- Department of Cell Biology and Physiology, University of North Carolina–Chapel Hill, Chapel Hill, North Carolina, USA
| | - Nazia M. Alam
- Department of Physiology and Biophysics, Weill Cornell Medical College, New York, New York, USA
- Center for Visual Restoration, Burke Neurological Institute, White Plains, New York, USA
| | - Wei Sha
- Bioinformatics Services Division, University of North Carolina–Charlotte, Kannapolis, North Carolina, USA
| | - Steven H. Zeisel
- Nutrition Research Institute, University of North Carolina–Chapel Hill, Kannapolis, North Carolina, USA
- Department of Nutrition, Gillings School of Global Public Health, University of North Carolina–Chapel Hill, Chapel Hill, North Carolina, USA
| | - Natalia Surzenko
- Nutrition Research Institute, University of North Carolina–Chapel Hill, Kannapolis, North Carolina, USA
- Department of Nutrition, Gillings School of Global Public Health, University of North Carolina–Chapel Hill, Chapel Hill, North Carolina, USA
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Zeisel SH. A Conceptual Framework for Studying and Investing in Precision Nutrition. Front Genet 2019; 10:200. [PMID: 30936893 PMCID: PMC6431609 DOI: 10.3389/fgene.2019.00200] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2018] [Accepted: 02/25/2019] [Indexed: 12/15/2022] Open
Abstract
Nutrients and food-derived bioactive molecules must transit complex metabolic pathways, and these pathways vary between people. Metabolic heterogeneity is caused by genetic variation, epigenetic variation, differences in microbiome composition and function, lifestyle differences and by variation in environmental exposures. This review discusses a number of these sources of metabolic heterogeneity and presents some of the research investments that will be needed to make applications of precision nutrition practical.
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Affiliation(s)
- Steven H Zeisel
- Nutrition Research Institute, The University of North Carolina at Chapel Hill, Kannapolis, NC, United States
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40
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Methyl Donor Micronutrients that Modify DNA Methylation and Cancer Outcome. Nutrients 2019; 11:nu11030608. [PMID: 30871166 PMCID: PMC6471069 DOI: 10.3390/nu11030608] [Citation(s) in RCA: 125] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2019] [Revised: 03/05/2019] [Accepted: 03/07/2019] [Indexed: 12/17/2022] Open
Abstract
DNA methylation is an epigenetic mechanism that is essential for regulating gene transcription. However, aberrant DNA methylation, which is a nearly universal finding in cancer, can result in disturbed gene expression. DNA methylation is modified by environmental factors such as diet that may modify cancer risk and tumor behavior. Abnormal DNA methylation has been observed in several cancers such as colon, stomach, cervical, prostate, and breast cancers. These alterations in DNA methylation may play a critical role in cancer development and progression. Dietary nutrient intake and bioactive food components are essential environmental factors that may influence DNA methylation either by directly inhibiting enzymes that catalyze DNA methylation or by changing the availability of substrates required for those enzymatic reactions such as the availability and utilization of methyl groups. In this review, we focused on nutrients that act as methyl donors or methylation co-factors and presented intriguing evidence for the role of these bioactive food components in altering DNA methylation patterns in cancer. Such a role is likely to have a mechanistic impact on the process of carcinogenesis and offer possible therapeutic potentials.
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Trujillo-Gonzalez I, Wang Y, Friday WB, Vickers KC, Toth CL, Molina-Torres L, Surzenko N, Zeisel SH. MicroRNA-129-5p is regulated by choline availability and controls EGF receptor synthesis and neurogenesis in the cerebral cortex. FASEB J 2018; 33:3601-3612. [PMID: 30521373 DOI: 10.1096/fj.201801094rr] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Choline availability modulates neurogenesis and cerebral cortex development through the regulation of neural progenitor cell (NPC) proliferative and differentiation capacity. In this study, we demonstrated that cortical NPC self-renewal is controlled by choline via the expression of a microRNA (miR-129-5p), whose role in the developing brain has not been examined, and which, in turn, inhibits synthesis of the epidermal growth factor receptor (EGFR) protein. Specifically, we found that low choline (LC) availability led to the upregulation of miR-129-5p expression in cortical NPCs in vitro and in vivo, causing the downregulation of EGFR and thereby disrupting NPC self-renewal and cortical neurogenesis. Furthermore, in response to LC availability, methylation potential (the S-adenosylmethionine: S-adenosylhomocysteine ratio) in the developing brain was reduced. Restoring methylation potential in LC cortical NPCs led to the re-establishment of normal miR-129-5p expression. We concluded that inhibiting miR-129-5p function and restoring EGFR protein levels in vivo is sufficient to reverse LC-induced defects in cortical NPC self-renewal. For the first time, to our knowledge, we have identified the molecular links that explain how a change in the availability of the diet metabolite choline impacts the essential cellular processes underlying brain development.-Trujillo-Gonzalez, I., Wang, Y., Friday, W. B., Vickers, K. C., Toth, C. L., Molina-Torres, L., Surzenko, N., Zeisel, S. H. MicroRNA-129-5p is regulated by choline availability and controls EGF receptor synthesis and neurogenesis in the cerebral cortex.
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Affiliation(s)
- Isis Trujillo-Gonzalez
- Nutrition Research Institute, University of North Carolina at Chapel Hill, Kannapolis, North Carolina, USA
| | - Yanyan Wang
- Nutrition Research Institute, University of North Carolina at Chapel Hill, Kannapolis, North Carolina, USA.,Department of Medical Genetics, Third Military Medical University, Chongqing, China
| | - Walter B Friday
- Nutrition Research Institute, University of North Carolina at Chapel Hill, Kannapolis, North Carolina, USA
| | - Kasey C Vickers
- Division of Cardiovascular Medicine, Vanderbilt University School of Medicine, Nashville, Tennessee, USA; and
| | - Cynthia L Toth
- Division of Cardiovascular Medicine, Vanderbilt University School of Medicine, Nashville, Tennessee, USA; and
| | - Lorian Molina-Torres
- Nutrition Research Institute, University of North Carolina at Chapel Hill, Kannapolis, North Carolina, USA
| | - Natalia Surzenko
- Nutrition Research Institute, University of North Carolina at Chapel Hill, Kannapolis, North Carolina, USA.,Department of Nutrition, Gillings School of Global Public Health, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
| | - Steven H Zeisel
- Nutrition Research Institute, University of North Carolina at Chapel Hill, Kannapolis, North Carolina, USA.,Department of Nutrition, Gillings School of Global Public Health, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
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Abstract
Epigenetics is the study of heritable mechanisms that can modify gene activity and phenotype without modifying the genetic code. The basis for the concept of epigenetics originated more than 2,000 yr ago as a theory to explain organismal development. However, the definition of epigenetics continues to evolve as we identify more of the components that make up the epigenome and dissect the complex manner by which they regulate and are regulated by cellular functions. A substantial and growing body of research shows that nutrition plays a significant role in regulating the epigenome. Here, we critically assess this diverse body of evidence elucidating the role of nutrition in modulating the epigenome and summarize the impact such changes have on molecular and physiological outcomes with regards to human health.
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Affiliation(s)
- Folami Y Ideraabdullah
- Departments of Genetics and Nutrition, Nutrition Research Institute, University of North Carolina at Chapel Hill, Kannapolis, North Carolina; and Departments of Nutrition and Pediatrics, Nutrition Research Institute, University of North Carolina at Chapel Hill, Kannapolis, North Carolina
| | - Steven H Zeisel
- Departments of Genetics and Nutrition, Nutrition Research Institute, University of North Carolina at Chapel Hill, Kannapolis, North Carolina; and Departments of Nutrition and Pediatrics, Nutrition Research Institute, University of North Carolina at Chapel Hill, Kannapolis, North Carolina
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Seremak-Mrozikiewicz A, Barlik M, Różycka A, Kurzawińska G, Klejewski A, Wolski H, Drews K. Importance of polymorphic variants of phosphatidylethanolamine N-methyltransferase (PEMT) gene in the etiology of intrauterine fetal death in the Polish population. Eur J Obstet Gynecol Reprod Biol 2018; 231:43-47. [PMID: 30321787 DOI: 10.1016/j.ejogrb.2018.10.021] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2018] [Revised: 10/03/2018] [Accepted: 10/06/2018] [Indexed: 12/01/2022]
Abstract
OBJECTIVES Intrauterine fetal death (IUFD) is a multifactorial disorder and one of the most severe obstetrical complications. Our primary aim was to study the possible associations between polymorphic variants of the PEMT gene and IUFD in the Polish population. STUDY DESIGN The case-control study involved 76 mothers with IUFD occurrence and 215 mothers of healthy children. Genetic analysis of the four single nucleotide polymorphisms in the PEMT gene (rs4646406, rs4244593, rs897453 and rs12325817) was performed with the PCR/RFLP method. RESULTS Three oef the analyzed PEMT polymorphisms (rs4646406, rs4244593, and rs8974) were significantly associated with IUFD in the Polish population. Among them, PEMT variant rs4244593 was associated with increased risk of IUFD in three genetic inheritance models. Results were statistically significant even after applying Bonferroni correction for multiple comparisons (p < 0.0125). The distribution of all haplotypes except TAGC was not different between cases and controls, however, after applying permutation test, none of the haplotypes showed a relation with IUFD. CONCLUSIONS The present findings indicate that PEMT polymorphisms may be associated with the susceptibility to IUFD in the Polish population.
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Alldred MJ, Chao HM, Lee SH, Beilin J, Powers BE, Petkova E, Strupp BJ, Ginsberg SD. CA1 pyramidal neuron gene expression mosaics in the Ts65Dn murine model of Down syndrome and Alzheimer's disease following maternal choline supplementation. Hippocampus 2018; 28:251-268. [PMID: 29394516 PMCID: PMC5874173 DOI: 10.1002/hipo.22832] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2017] [Revised: 12/14/2017] [Accepted: 01/23/2018] [Indexed: 12/15/2022]
Abstract
Although there are changes in gene expression and alterations in neuronal density and afferent inputs in the forebrain of trisomic mouse models of Down syndrome (DS) and Alzheimer's disease (AD), there is a lack of systematic assessments of gene expression and encoded proteins within individual vulnerable cell populations, precluding translational investigations at the molecular and cellular level. Further, no effective treatment exists to combat intellectual disability and basal forebrain cholinergic neurodegeneration seen in DS. To further our understanding of gene expression changes before and following cholinergic degeneration in a well-established mouse model of DS/AD, the Ts65Dn mouse, we assessed RNA expression levels from CA1 pyramidal neurons at two adult ages (∼6 months of age and ∼11 months of age) in both Ts65Dn and their normal disomic (2N) littermates. We further examined a therapeutic intervention, maternal choline supplementation (MCS), which has been previously shown to lessen dysfunction in spatial cognition and attention, and have protective effects on the survival of basal forebrain cholinergic neurons in the Ts65Dn mouse model. Results indicate that MCS normalized expression of several genes in key gene ontology categories, including synaptic plasticity, calcium signaling, and AD-associated neurodegeneration related to amyloid-beta peptide (Aβ) clearance. Specifically, normalized expression levels were found for endothelin converting enzyme-2 (Ece2), insulin degrading enzyme (Ide), Dyrk1a, and calcium/calmodulin-dependent protein kinase II (Camk2a), among other relevant genes. Single population expression profiling of vulnerable CA1 pyramidal neurons indicates that MCS is a viable therapeutic for long-term reprogramming of key transcripts involved in neuronal signaling that are dysregulated in the trisomic mouse brain which have translational potential for DS and AD.
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Affiliation(s)
- Melissa J. Alldred
- Center for Dementia Research, Nathan Kline Institute, Orangeburg, NY
- Departments of Psychiatry, New York University Langone Medical Center, New York, NY
| | - Helen M. Chao
- Center for Dementia Research, Nathan Kline Institute, Orangeburg, NY
- Departments of Psychiatry, New York University Langone Medical Center, New York, NY
| | - Sang Han Lee
- Center for Biomedical Imaging and Neuromodulation, Nathan Kline Institute, Orangeburg, NY
- Child Psychiatry, Nathan Kline Institute, Orangeburg, NY
- Departments of Psychiatry, New York University Langone Medical Center, New York, NY
- Child and Adolescent Psychiatry, New York University Langone Medical Center, New York, NY
| | - Judah Beilin
- Center for Dementia Research, Nathan Kline Institute, Orangeburg, NY
| | | | - Eva Petkova
- Child Psychiatry, Nathan Kline Institute, Orangeburg, NY
- Child and Adolescent Psychiatry, New York University Langone Medical Center, New York, NY
| | - Barbara J. Strupp
- Division of Nutritional Sciences, Cornell University, Ithaca, NY
- Department of Psychology, Cornell University, Ithaca, NY
| | - Stephen D. Ginsberg
- Center for Dementia Research, Nathan Kline Institute, Orangeburg, NY
- Departments of Psychiatry, New York University Langone Medical Center, New York, NY
- Neuroscience & Physiology, New York University Langone Medical Center, New York, NY
- NYU Neuroscience Institute, New York University Langone Medical Center, New York, NY
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Imam MU, Ismail M. The Impact of Traditional Food and Lifestyle Behavior on Epigenetic Burden of Chronic Disease. GLOBAL CHALLENGES (HOBOKEN, NJ) 2017; 1:1700043. [PMID: 31565292 PMCID: PMC6607231 DOI: 10.1002/gch2.201700043] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/21/2017] [Revised: 07/12/2017] [Indexed: 05/11/2023]
Abstract
Noncommunicable chronic diseases (NCCDs) are the leading causes of morbidity and mortality globally. The mismatch between present day diets and ancestral genome is suggested to contribute to the NCCDs burden, which is promoted by traditional risk factors like unhealthy diets, physical inactivity, alcohol and tobacco. However, epigenetic evidence now suggests that cumulatively inherited epigenetic modifications may have made humans more prone to the effects of present day lifestyle factors. Perinatal starvation was widespread in the 19th century. This together with more recent events like increasing consumption of western and low fiber diets, smoking, harmful use of alcohol, physical inactivity, and environmental pollutants may have programed the human epigenome for higher NCCDs risk. In this review, on the basis of available epigenetic data it is hypothesized that transgenerational effects of lifestyle factors may be contributing to the current global burden of NCCDs. Thus, there is a need to reconsider prevention strategies so that the subsequent generations will not have to pay for our sins and those of our ancestors.
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Affiliation(s)
- Mustapha U. Imam
- Precision Nutrition Innovation InstituteCollege of Public HealthZhengzhou UniversityZhengzhou450001China
| | - Maznah Ismail
- Laboratory of Molecular BiomedicineInstitute of BioscienceUniversiti Putra MalaysiaSerdangSelangor43400Malaysia
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Gadda G, Yuan H. Substitutions of S101 decrease proton and hydride transfers in the oxidation of betaine aldehyde by choline oxidase. Arch Biochem Biophys 2017; 634:76-82. [PMID: 29029877 DOI: 10.1016/j.abb.2017.10.004] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2017] [Revised: 10/06/2017] [Accepted: 10/09/2017] [Indexed: 11/25/2022]
Abstract
Choline oxidase oxidizes choline to glycine betaine, with two flavin-mediated reactions to convert the alcohol substrate to the carbon acid product. Proton abstraction from choline or hydrated betaine aldehyde in the wild-type enzyme occurs in the mixing time of the stopped-flow spectrophotometer, thereby precluding a mechanistic investigation. Mutagenesis of S101 rendered the proton transfer reaction amenable to study. Here, we have investigated the aldehyde oxidation reaction catalyzed by the mutant enzymes using steady-state and rapid kinetics with betaine aldehyde. Stopped-flow traces for the reductive half-reaction of the S101T/V/C variants were biphasic, corresponding to the reactions of proton abstraction and hydride transfer. In contrast, the S101A enzyme yielded monophasic traces like wild-type choline oxidase. The rate constants for proton transfer in the S101T/C/V variants decreased logarithmically with increasing hydrophobicity of residue 101, indicating a behavior different from that seen previously with choline for which no correlation was determined. The rate constants for hydride transfer also showed a logarithmic decrease with increasing hydrophobicity at position 101, which was similar to previous results with choline as a substrate for the enzyme. Thus, the hydrophilic character of S101 is necessary not only for efficient hydride transfer but also for the proton abstraction reaction.
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Affiliation(s)
- Giovanni Gadda
- Department of Chemistry, Center for Diagnostics and Therapeutics, Georgia State University, Atlanta, GA 30302-3965, United States; Department of Biology, Center for Diagnostics and Therapeutics, Georgia State University, Atlanta, GA 30302-3965, United States; Center for Biotechnology and Drug Design, Center for Diagnostics and Therapeutics, Georgia State University, Atlanta, GA 30302-3965, United States.
| | - Hongling Yuan
- Department of Chemistry, Center for Diagnostics and Therapeutics, Georgia State University, Atlanta, GA 30302-3965, United States
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Berent D, Pogórski M, Kulczycka-Wojdala D, Kusideł E, Macander M, Pawłowska Z. Childhood Adversities are not a Predictors of SSTR4met in Alcoholics. Transl Neurosci 2017; 8:127-138. [PMID: 29104801 PMCID: PMC5662752 DOI: 10.1515/tnsci-2017-0019] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2017] [Accepted: 09/04/2017] [Indexed: 02/06/2023] Open
Abstract
Background Genome methylation may modulate synaptic plasticity, being a potential background for mental disorder. Adverse childhood experiences (ACEs), known to be frequently reported by patients with alcohol dependence (AD), have been proposed as one of environmental inequities influencing DNA methylation. The study is aiming 1.To assess a promoter region methylation in gene for somatostatin receptor subtype-4 (SSTR4), a receptor for somatostatin, a neurotransmitter engaged in neuroplasticity and memory formation, in patients with AD; 2. To verify if SSTR4 promoter methylation is associated with ACEs and other selected environmental factors. Methodology: 176 patients with AD and 127 healthy controls were interviewed regarding 13 categories of ACEs; a structured self-reported questionnaire - to measure the sociodemographic and clinical characteristics; a module of Catalogue of Healthy Behavior - to assess nutritional health habits; the Alcohol Use Disorders Identification Test - to assess drinking severity. The SSTR4 promoter region methylation status was performed via methylation-specific PCR, and the genotyping for the SSTR4 rs2567608 functional polymorphism - according to the manufacturer's standard PCR protocol. Results SSTR4 promoter region was found methylated in 21.6% patients with AD and 2.3% controls. None of following characteristics: current age, gender, term and kind of labor, 13 categories of childhood trauma, diet, alcohol drinking severity, age at alcohol drinking initiation, age at onset of problem drinking, cigarette smoking, and SSTR4 rs2567608 was a significant predictor for SSTR4 promoter region methylation. Conclusions SSTR4 promoter region methylation in here studied participants may be either inherited epigenetic modification or secondary, but not to here assessed variables.
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Affiliation(s)
- Dominika Berent
- Medical University of Warsaw, Department of Psychiatry II, Kondratowicza 8 Str., PL-03-242Warsaw, Poland
| | - Michał Pogórski
- Polish Mother's Memorial Hospital Research Institute, Department of Diagnostic Imaging, Rzgowska 281/289 Str., 93-338Lodz, Poland
| | | | - Ewa Kusideł
- University of Lodz, Department of Spatial Econometrics, Rewolucji 1905 r. 39 Str., 90-214Lodz, Poland
| | - Marian Macander
- Military Institute of Aviation Medicine, Aviation Pathophysiology and Safety Flight Department, Krasińskiego 54/56 Str., 01-755Warsaw, Poland
| | - Zofia Pawłowska
- Medical University of Lodz, Central Scientific Laboratory, Mazowiecka 6/8 Str., 92-215Lodz, Poland
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Celik E, Sanlier N. Effects of nutrient and bioactive food components on Alzheimer's disease and epigenetic. Crit Rev Food Sci Nutr 2017; 59:102-113. [PMID: 28799782 DOI: 10.1080/10408398.2017.1359488] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Alzheimer's disease (AD) is the most common form of dementia in the elderly and is a chronic neurodegenerative disease that is becoming widespread. For this reason, in recent years factors affecting the development, progression and cognitive function of the AD have been emphasized. Nutrients and other bioactive nutrients are among the factors that are effective in AD. In particular, vitamins A, C and E, vitamins B1, B6 and B12, folate, magnesium, choline, inositol, anthocyanins, isoflavones etc. nutrients and bioactive nutrients are known to be effective in the development of AD. Nutrients and nutrient components may also have an epigenetic effect on AD. At the same time, nutrients and bioactive food components slow down the progression of the disease. For this reason, the effect of nutrients and food components on AD was examined in this review.
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Affiliation(s)
- Elif Celik
- a Gazi University , Faculty of Health Sciences, Nutrition and Dietetics Department , Ankara , Turkey
| | - Nevin Sanlier
- a Gazi University , Faculty of Health Sciences, Nutrition and Dietetics Department , Ankara , Turkey
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Choline and Working Memory Training Improve Cognitive Deficits Caused by Prenatal Exposure to Ethanol. Nutrients 2017; 9:nu9101080. [PMID: 28961168 PMCID: PMC5691697 DOI: 10.3390/nu9101080] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2017] [Revised: 09/15/2017] [Accepted: 09/25/2017] [Indexed: 02/07/2023] Open
Abstract
Prenatal ethanol exposure is associated with deficits in executive function such as working memory, reversal learning and attentional set shifting in humans and animals. These behaviors are dependent on normal structure and function in cholinergic brain regions. Supplementation with choline can improve many behaviors in rodent models of fetal alcohol spectrum disorders and also improves working memory function in normal rats. We tested the hypothesis that supplementation with choline in the postnatal period will improve working memory during adolescence in normal and ethanol-exposed animals, and that working memory engagement during adolescence will transfer to other cognitive domains and have lasting effects on executive function in adulthood. Male and female offspring of rats fed an ethanol-containing liquid diet (ET; 3% v/v) or control dams given a non-ethanol liquid diet (CT) were injected with choline (Cho; 100 mg/kg) or saline (Sal) once per day from postnatal day (P) 16–P30. Animals were trained/tested on a working memory test in adolescence and then underwent attentional set shifting and reversal learning in young adulthood. In adolescence, ET rats required more training to reach criterion than CT-Sal. Choline improved working memory performance for both CT and ET animals. In young adulthood, ET animals also performed poorly on the set shifting and reversal tasks. Deficits were more robust in ET male rats than female ET rats, but Cho improved performance in both sexes. ET male rats given a combination of Cho and working memory training in adolescence required significantly fewer trials to achieve criterion than any other ET group, suggesting that early interventions can cause a persistent improvement.
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Zeisel S. Choline, Other Methyl-Donors and Epigenetics. Nutrients 2017; 9:nu9050445. [PMID: 28468239 PMCID: PMC5452175 DOI: 10.3390/nu9050445] [Citation(s) in RCA: 138] [Impact Index Per Article: 19.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2017] [Revised: 04/13/2017] [Accepted: 04/26/2017] [Indexed: 12/21/2022] Open
Abstract
Choline dietary intake varies such that many people do not achieve adequate intakes. Diet intake of choline can modulate methylation because, via betaine homocysteine methyltransferase (BHMT), this nutrient (and its metabolite, betaine) regulate the concentrations of S-adenosylhomocysteine and S-adenosylmethionine. Some of the epigenetic mechanisms that modify gene expression without modifying the genetic code depend on the methylation of DNA or of histones; and diet availability of choline and other methyl-group donors influences both of these methylations. Examples of methyl-donor mediated epigenetic effects include the changes in coat color and body weight in offspring when pregnant agouti mice are fed high choline, high methyl diets; the changes in tail kinking in offspring when pregnant Axin(Fu) mice are fed high choline, high methyl diets; the changes in Cdkn3 methylation and altered brain development that occurs in offspring when pregnant rodents are fed low choline diets. When choline metabolism is disrupted by deleting the gene Bhmt, DNA methylation is affected (especially in a region of chromosome 13), expression of specific genes is suppressed, and liver cancers develop. Better understanding of how nutrients such as choline and methyl-donors influence epigenetic programs has importance for our understanding of not only developmental abnormalities but also for understanding the origins of chronic diseases.
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Affiliation(s)
- Steven Zeisel
- UNC Nutrition Research Institute, Departments of Nutrition and Pediatrics, University of North Carolina at Chapel Hill, 500 Laureate Drive, Kannapolis, NC 28081, USA.
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