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Reza-López SA, González-Gurrola S, Morales-Morales OO, Moreno-González JG, Rivas-Gómez AM, González-Rodríguez E, Moreno-Brito V, Licón-Trillo A, Leal-Berumen I. Metabolic Biomarkers in Adults with Type 2 Diabetes: The Role of PPAR-γ2 and PPAR-β/δ Polymorphisms. Biomolecules 2023; 13:1791. [PMID: 38136661 PMCID: PMC10741495 DOI: 10.3390/biom13121791] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Revised: 11/27/2023] [Accepted: 12/02/2023] [Indexed: 12/24/2023] Open
Abstract
Glucose and lipid metabolism regulation by the peroxisome proliferator-activated receptors (PPARs) has been extensively reported. However, the role of their polymorphisms remains unclear. OBJECTIVE To determine the relation between PPAR-γ2 rs1801282 (Pro12Ala) and PPAR-β/δ rs2016520 (+294T/C) polymorphisms and metabolic biomarkers in adults with type 2 diabetes (T2D). MATERIALS AND METHODS We included 314 patients with T2D. Information on anthropometric, fasting plasma glucose (FPG), HbA1c and lipid profile measurements was taken from clinical records. Genomic DNA was obtained from peripheral blood. End-point PCR was used for PPAR-γ2 rs1801282, while for PPAR-β/δ rs2016520 the PCR product was digested with Bsl-I enzyme. Data were compared with parametric or non-parametric tests. Multivariate models were used to adjust for covariates and interaction effects. RESULTS minor allele frequency was 12.42% for PPAR-γ2 rs1801282-G and 13.85% for PPAR-β/δ rs2016520-C. Both polymorphisms were related to waist circumference; they showed independent effects on HbA1c, while they interacted for FPG; carriers of both PPAR minor alleles had the highest values. Interactions between FPG and polymorphisms were identified in their relation to triglyceride level. CONCLUSIONS PPAR-γ2 rs1801282 and PPAR-β/δ rs2016520 polymorphisms are associated with anthropometric, glucose, and lipid metabolism biomarkers in T2D patients. Further research is required on the molecular mechanisms involved.
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Affiliation(s)
- Sandra A. Reza-López
- Facultad de Medicina y Ciencias Biomédicas, Universidad Autónoma de Chihuahua, Campus II. Circuito Universitario S/N, Chihuahua 31109, CP, Mexico; (S.A.R.-L.); (O.O.M.-M.); (J.G.M.-G.); (E.G.-R.); (V.M.-B.); (A.L.-T.)
| | - Susana González-Gurrola
- Instituto Mexicano del Seguro Social UMF 33, Avenida Melchor Ocampo y Arroyo de los Perros S/N, Col. El Palomar, Chihuahua 31204, CP, Mexico; (S.G.-G.); or (A.M.R.-G.)
| | - Oscar O. Morales-Morales
- Facultad de Medicina y Ciencias Biomédicas, Universidad Autónoma de Chihuahua, Campus II. Circuito Universitario S/N, Chihuahua 31109, CP, Mexico; (S.A.R.-L.); (O.O.M.-M.); (J.G.M.-G.); (E.G.-R.); (V.M.-B.); (A.L.-T.)
| | - Janette G. Moreno-González
- Facultad de Medicina y Ciencias Biomédicas, Universidad Autónoma de Chihuahua, Campus II. Circuito Universitario S/N, Chihuahua 31109, CP, Mexico; (S.A.R.-L.); (O.O.M.-M.); (J.G.M.-G.); (E.G.-R.); (V.M.-B.); (A.L.-T.)
| | - Ana M. Rivas-Gómez
- Instituto Mexicano del Seguro Social UMF 33, Avenida Melchor Ocampo y Arroyo de los Perros S/N, Col. El Palomar, Chihuahua 31204, CP, Mexico; (S.G.-G.); or (A.M.R.-G.)
| | - Everardo González-Rodríguez
- Facultad de Medicina y Ciencias Biomédicas, Universidad Autónoma de Chihuahua, Campus II. Circuito Universitario S/N, Chihuahua 31109, CP, Mexico; (S.A.R.-L.); (O.O.M.-M.); (J.G.M.-G.); (E.G.-R.); (V.M.-B.); (A.L.-T.)
| | - Verónica Moreno-Brito
- Facultad de Medicina y Ciencias Biomédicas, Universidad Autónoma de Chihuahua, Campus II. Circuito Universitario S/N, Chihuahua 31109, CP, Mexico; (S.A.R.-L.); (O.O.M.-M.); (J.G.M.-G.); (E.G.-R.); (V.M.-B.); (A.L.-T.)
| | - Angel Licón-Trillo
- Facultad de Medicina y Ciencias Biomédicas, Universidad Autónoma de Chihuahua, Campus II. Circuito Universitario S/N, Chihuahua 31109, CP, Mexico; (S.A.R.-L.); (O.O.M.-M.); (J.G.M.-G.); (E.G.-R.); (V.M.-B.); (A.L.-T.)
| | - Irene Leal-Berumen
- Facultad de Medicina y Ciencias Biomédicas, Universidad Autónoma de Chihuahua, Campus II. Circuito Universitario S/N, Chihuahua 31109, CP, Mexico; (S.A.R.-L.); (O.O.M.-M.); (J.G.M.-G.); (E.G.-R.); (V.M.-B.); (A.L.-T.)
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Carrillo-Venzor MA, Erives-Anchondo NR, Moreno-González JG, Moreno-Brito V, Licón-Trillo A, González-Rodríguez E, Hernández-Rodríguez PDC, Reza-López SA, Loera-Castañeda V, Leal-Berumen I. Pro12Ala PPAR-γ2 and +294T/C PPAR-δ Polymorphisms and Association with Metabolic Traits in Teenagers from Northern Mexico. Genes (Basel) 2020; 11:genes11070776. [PMID: 32664384 PMCID: PMC7397260 DOI: 10.3390/genes11070776] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2020] [Revised: 07/01/2020] [Accepted: 07/07/2020] [Indexed: 11/20/2022] Open
Abstract
Peroxisome proliferator-activated receptors (PPARs) play roles in glucose and lipid metabolism regulation. Pro12Ala PPAR-γ2 and +294T/C PPAR-δ have been associated with dyslipidemia, hyperglycemia and high body mass index (BMI). We compared metabolic traits and determined associations with Pro12Ala PPAR-γ2 or +294T/C PPAR-δ polymorphism among teenagers from different ethnicity. Four hundred and twelve samples with previous biochemical and biometric measurements were used. Genomic DNA from peripheral blood was extracted and analyzed by end-point PCR for Pro12Ala PPAR-γ2. The +294T/C PPAR-δ PCR product was also digested with Bsl I. Two genotype groups were formed: major allele homozygous and minor allele carriers. Pro12Ala PPAR-γ2 G minor allele frequencies were: 10% in Mestizo-1, 19% in Mestizo-2, 23% in Tarahumara, 12% in Mennonite, and 17% in the total studied population. The +294T/C PPAR-δ C minor allele frequencies were: 18% in Mestizo-1, 20% in Mestizo-2, 6% in Tarahumara, 13% in Mennonite, and 12% in the total studied population. Teenagers with PPAR-γ2 G allele showed a greater risk for either high waist/height ratio or low high-density lipoprotein; and, also had lower total cholesterol. Whereas, PPAR-γ2 G allele showed lower overweight/obesity phenotype (BMI Z-score) frequency, PPAR-δ C allele was a risk factor for it. Metabolic traits were associated with both PPAR polymorphisms.
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Affiliation(s)
- Martín A. Carrillo-Venzor
- Faculty of Medicine and Biomedical Sciences, Autonomous University of Chihuahua, Circuito Universitario, Campus II, Chihuahua 31109, Mexico; (M.A.C.-V.); (N.R.E.-A.); (J.G.M.-G.); (V.M.-B.); (A.L.T.); (E.G.-R.); (S.A.R.-L.)
| | - Nancy R. Erives-Anchondo
- Faculty of Medicine and Biomedical Sciences, Autonomous University of Chihuahua, Circuito Universitario, Campus II, Chihuahua 31109, Mexico; (M.A.C.-V.); (N.R.E.-A.); (J.G.M.-G.); (V.M.-B.); (A.L.T.); (E.G.-R.); (S.A.R.-L.)
| | - Janette G. Moreno-González
- Faculty of Medicine and Biomedical Sciences, Autonomous University of Chihuahua, Circuito Universitario, Campus II, Chihuahua 31109, Mexico; (M.A.C.-V.); (N.R.E.-A.); (J.G.M.-G.); (V.M.-B.); (A.L.T.); (E.G.-R.); (S.A.R.-L.)
| | - Verónica Moreno-Brito
- Faculty of Medicine and Biomedical Sciences, Autonomous University of Chihuahua, Circuito Universitario, Campus II, Chihuahua 31109, Mexico; (M.A.C.-V.); (N.R.E.-A.); (J.G.M.-G.); (V.M.-B.); (A.L.T.); (E.G.-R.); (S.A.R.-L.)
| | - Angel Licón-Trillo
- Faculty of Medicine and Biomedical Sciences, Autonomous University of Chihuahua, Circuito Universitario, Campus II, Chihuahua 31109, Mexico; (M.A.C.-V.); (N.R.E.-A.); (J.G.M.-G.); (V.M.-B.); (A.L.T.); (E.G.-R.); (S.A.R.-L.)
| | - Everardo González-Rodríguez
- Faculty of Medicine and Biomedical Sciences, Autonomous University of Chihuahua, Circuito Universitario, Campus II, Chihuahua 31109, Mexico; (M.A.C.-V.); (N.R.E.-A.); (J.G.M.-G.); (V.M.-B.); (A.L.T.); (E.G.-R.); (S.A.R.-L.)
| | | | - Sandra A. Reza-López
- Faculty of Medicine and Biomedical Sciences, Autonomous University of Chihuahua, Circuito Universitario, Campus II, Chihuahua 31109, Mexico; (M.A.C.-V.); (N.R.E.-A.); (J.G.M.-G.); (V.M.-B.); (A.L.T.); (E.G.-R.); (S.A.R.-L.)
| | | | - Irene Leal-Berumen
- Faculty of Medicine and Biomedical Sciences, Autonomous University of Chihuahua, Circuito Universitario, Campus II, Chihuahua 31109, Mexico; (M.A.C.-V.); (N.R.E.-A.); (J.G.M.-G.); (V.M.-B.); (A.L.T.); (E.G.-R.); (S.A.R.-L.)
- Correspondence:
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Rosado-Yépez PI, Chávez-Corral DV, Reza-López SA, Leal-Berumen I, Fierro-Murga R, Caballero-Cummings S, Levario-Carrillo M. Relation between pregestational obesity and characteristics of the placenta. J Matern Fetal Neonatal Med 2019; 33:3425-3430. [PMID: 30704317 DOI: 10.1080/14767058.2019.1573222] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
Objective: To evaluate the morphology of the placenta in patients with pregestational overweight (OW), pregestational obesity (PGOB), or normal weight.Methods: A cross-sectional study including women (n = 114) ≥20 years of age with a singleton pregnancy was carried out. The groups were integrated according to pregestational body mass index (BMI): 51 patients had a normal BMI (18.5-24.99 kg/m2), 30 were overweight (25-29.99 kg/m2), and 33 women were obese (≥30.0 kg/m2). A morphometric study of the placenta was performed and the placental maturity index (PMI) was calculated according to the formula: PMI = number of vasculo-syncytial membranes (VSM) in 1 mm2/VSM thickness. In the histopathological study, the presence of infarcts, calcifications, hemorrhage, thrombosis, fibrosis, cysts, and edema was determined.Results: The weight and length of newborns at birth were greater in the group with PGOB (p < .01). We observed a lower number of VSM (29 ± 9 versus 39 ± 13 and 34 ± 11) and a greater thickness (1.05 ± 0.24 versus 0.95 ± 0.08 and 0.89 ± 0.09) and, therefore, a lower PMI (29.75 ± 12.63 versus 40.88 ± 15.25 and 39.28 ± 14.4) in the group of women with PGOB compared with the group of women with OW or normal weight (p < .01). The histopathological analyses showed a greater frequency of edema and cysts in the PGOB group.Conclusion: PGOB is associated with a higher placental weight and newborn weight, a lower PMI, and the presence of histopathological alterations. The preceding points highlight the importance of promoting an appropriate pregestational weight in women of reproductive age.
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Affiliation(s)
- Paola I Rosado-Yépez
- Facultad de Medicina y Ciencias Biomédicas, Universidad Autónoma de Chihuahua, Chihuahua, Mexico.,Instituto Mexicano del Seguro Social, Chihuahua, México
| | - Dora V Chávez-Corral
- Facultad de Medicina y Ciencias Biomédicas, Universidad Autónoma de Chihuahua, Chihuahua, Mexico
| | - Sandra A Reza-López
- Facultad de Medicina y Ciencias Biomédicas, Universidad Autónoma de Chihuahua, Chihuahua, Mexico
| | - Irene Leal-Berumen
- Facultad de Medicina y Ciencias Biomédicas, Universidad Autónoma de Chihuahua, Chihuahua, Mexico
| | - Ricardo Fierro-Murga
- Facultad de Medicina y Ciencias Biomédicas, Universidad Autónoma de Chihuahua, Chihuahua, Mexico
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Reza-López SA, Aguirre-Chacón EO, Sánchez-Ramírez B, Guerrero-Salgado F, Chávez-Corral DV, Levario-Carrillo M. Folate transporter expression in placenta from pregnancies complicated with birth defects. Birth Defects Res 2018; 110:1223-1227. [PMID: 30063111 DOI: 10.1002/bdr2.1356] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2017] [Revised: 04/23/2018] [Accepted: 05/02/2018] [Indexed: 11/12/2022]
Abstract
BACKGROUND Folate plays a fundamental role for fetal development, participating in cell division, embryogenesis, and fetal growth. The fetus depends on maternal supply of folate across the placenta. The objective of this study was to compare the expression of Folate Receptor-α (FR-α), Reduced Folate Carrier (RFC), and Proton Coupled Folate Transporter (PCFT) in placentas from pregnancies complicated with birth defects (BD) and controls. METHODS Case-control study, including placentas of BD-complicated pregnancies (n = 25) and a control group (n = 25). We determined the placental expression of FR-α, RFC, and PCFT by immunohistochemistry. Optical density was measured to obtain a relative quantification of the expression. RESULTS The expression of PCFT was greater in placentas from pregnancies complicated with BD than in those from the control group (p < .01). The expression of FR-α and RFC was not different between groups. CONCLUSION The expression of PCFT in placentas from BD-complicated pregnancies is increased, possibly as an adaptive response to increase the folate flux at the maternal-fetal interface.
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Affiliation(s)
- Sandra A Reza-López
- Facultad de Medicina y Ciencias Biomédicas, Universidad Autónoma de Chihuahua, Chihuahua, Mexico
| | - Edwin O Aguirre-Chacón
- Facultad de Medicina y Ciencias Biomédicas, Universidad Autónoma de Chihuahua, Chihuahua, Mexico
| | - Blanca Sánchez-Ramírez
- Programa de Maestría en Ciencias en Biotecnología, Facultad de Ciencias Químicas, Universidad Autónoma de Chihuahua, Chihuahua, Mexico
| | - Fabiola Guerrero-Salgado
- Programa de Maestría en Ciencias en Biotecnología, Facultad de Ciencias Químicas, Universidad Autónoma de Chihuahua, Chihuahua, Mexico
| | - Dora V Chávez-Corral
- Facultad de Medicina y Ciencias Biomédicas, Universidad Autónoma de Chihuahua, Chihuahua, Mexico
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Minjares-Granillo RO, Reza-López SA, Caballero-Valdez S, Levario-Carrillo M, Chávez-Corral DV. Maternal and Perinatal Outcomes Among Adolescents and Mature Women: A Hospital-Based Study in the North of Mexico. J Pediatr Adolesc Gynecol 2016; 29:304-11. [PMID: 26620384 DOI: 10.1016/j.jpag.2015.11.005] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/29/2015] [Revised: 11/05/2015] [Accepted: 11/16/2015] [Indexed: 10/22/2022]
Abstract
STUDY OBJECTIVE To compare maternal and newborn pregnancy outcomes from adolescents and mature women. DESIGN, SETTING, AND PARTICIPANTS A cross-sectional study was carried out in a public hospital, including women with singleton pregnancies, who were classified according to their age, as follows: group 1: younger than 16 years old (n = 37), group 2: 16-19 years old (n = 288), and group 3: 20-34 years old (n = 632). INTERVENTIONS AND MAIN OUTCOME MEASURES Information on clinical characteristics, gynecological and obstetric history, pregnancy complications, and perinatal outcomes was obtained through interviews and from clinical records. RESULTS Thirty-four percent of deliveries were from adolescents. Mature women were more likely to have prepregnancy overweight or obesity than adolescents (odds ratio [OR] = 2.4, 95% confidence interval [CI], 1.7-3.4). The frequency of maternal complications during pregnancy or delivery was not different between groups. Birth asphyxia was more frequent in group 2 (P = .02). Women with inadequate prenatal care had an increased risk of preterm deliveries (OR = 1.64; 95% CI, 1.06-2.54) and of having newborns with low birth weight (OR = 2.02; 95% CI, 1.22-3.35). Weight of newborns from noncomplicated pregnancies was lower in group 1 (P = .02), after adjustment for prepregnancy body mass index, gestational weight gain, preterm delivery, and newborn sex. CONCLUSION The frequency of maternal and perinatal complications was similar in adolescents and mature women. Birth weight was decreased in noncomplicated pregnancies of adolescents younger than 16 years of age. Adequate prenatal care might be helpful in prevention of some adverse perinatal outcomes.
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Affiliation(s)
- Ramón O Minjares-Granillo
- Facultad de Medicina y Ciencias Biomédicas, Universidad Autónoma de Chihuahua, Circuito Universitario, Campus II, Chihuahua, Chihuahua, México
| | - Sandra A Reza-López
- Facultad de Medicina y Ciencias Biomédicas, Universidad Autónoma de Chihuahua, Circuito Universitario, Campus II, Chihuahua, Chihuahua, México
| | - Selene Caballero-Valdez
- Facultad de Medicina y Ciencias Biomédicas, Universidad Autónoma de Chihuahua, Circuito Universitario, Campus II, Chihuahua, Chihuahua, México
| | - Margarita Levario-Carrillo
- Facultad de Medicina y Ciencias Biomédicas, Universidad Autónoma de Chihuahua, Circuito Universitario, Campus II, Chihuahua, Chihuahua, México
| | - Dora Virginia Chávez-Corral
- Facultad de Medicina y Ciencias Biomédicas, Universidad Autónoma de Chihuahua, Circuito Universitario, Campus II, Chihuahua, Chihuahua, México.
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Huot PSP, Ly A, Szeto IMY, Reza-López SA, Cho D, Kim YI, Anderson GH. Maternal and postweaning folic acid supplementation interact to influence body weight, insulin resistance, and food intake regulatory gene expression in rat offspring in a sex-specific manner. Appl Physiol Nutr Metab 2015; 41:411-20. [PMID: 26989972 DOI: 10.1139/apnm-2015-0503] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Maternal intake of multivitamins or folic acid above the basal dietary requirement alters the growth and metabolic trajectory of rat offspring. We hypothesized that a modest increase in the folic acid content of maternal diets would alter the offspring's metabolic phenotype, and that these effects could be corrected by matching the folic acid content of the offspring's diet with that of the maternal diet. Female Sprague-Dawley rats were placed on a control or a 2.5× folic acid-supplemented diet prior to mating and during pregnancy and lactation. At weaning, pups from each maternal diet group were randomized to the control or to the 2.5× folic acid-supplemented diet for 25 weeks. Male pups from dams fed the folic acid-supplemented diet were 3.7% heavier than those from control-fed dams and had lower mRNA expression for leptin receptor Obrb isoform (Lepr) (11%) and Agouti-related protein (Agrp) (14%). In contrast, female pups from folic acid-supplemented dams were 5% lighter than those from control-fed dams and had lower proopiomelanocortin (Pomc) (42%), Lepr (32%), and Agrp (13%), but higher neuropeptide Y (Npy) (18%) mRNA expression. Folic acid supplementation ameliorated the alterations induced by maternal folic acid supplementation in male pups and led to the lowest insulin resistance, but the effects were smaller in female pups and led to the highest insulin resistance. In conclusion, maternal folic acid supplementation at 2.5× the control level was associated with alterations in body weight and hypothalamic gene expression in rat offspring in a sex-specific manner, and some of these effects were attenuated by postweaning folic acid supplementation.
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Affiliation(s)
- Pedro S P Huot
- a Department of Nutritional Sciences, Faculty of Medicine, University of Toronto, Toronto, ON M5S 3E2, Canada
| | - Anna Ly
- a Department of Nutritional Sciences, Faculty of Medicine, University of Toronto, Toronto, ON M5S 3E2, Canada
| | - Ignatius M Y Szeto
- a Department of Nutritional Sciences, Faculty of Medicine, University of Toronto, Toronto, ON M5S 3E2, Canada
| | - Sandra A Reza-López
- a Department of Nutritional Sciences, Faculty of Medicine, University of Toronto, Toronto, ON M5S 3E2, Canada
| | - Daniel Cho
- a Department of Nutritional Sciences, Faculty of Medicine, University of Toronto, Toronto, ON M5S 3E2, Canada
| | - Young-In Kim
- a Department of Nutritional Sciences, Faculty of Medicine, University of Toronto, Toronto, ON M5S 3E2, Canada.,b Department of Medicine, Faculty of Medicine, University of Toronto, Toronto, ON M5G 2C4, Canada.,c Keenan Research Centre for Biomedical Sciences of St. Michael's Hospital, Toronto, ON M5B 1W8, Canada.,d Division of Gastroenterology, St. Michael's Hospital, Toronto, ON M5B 1W8, Canada
| | - G Harvey Anderson
- a Department of Nutritional Sciences, Faculty of Medicine, University of Toronto, Toronto, ON M5S 3E2, Canada
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Sánchez-Hernández D, Poon AN, Kubant R, Kim H, Huot PSP, Cho CE, Pannia E, Reza-López SA, Pausova Z, Bazinet RP, Anderson GH. High vitamin A intake during pregnancy modifies dopaminergic reward system and decreases preference for sucrose in Wistar rat offspring. J Nutr Biochem 2015; 27:104-11. [PMID: 26456562 DOI: 10.1016/j.jnutbio.2015.08.020] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2014] [Revised: 05/06/2015] [Accepted: 08/18/2015] [Indexed: 11/25/2022]
Abstract
High multivitamin (HV) content in gestational diets has long-term metabolic effects in rat offspring. These changes are associated with in utero modifications of gene expression in hypothalamic food intake regulation. However, the role of fat-soluble vitamins in mediating these effects has not been explored. Vitamin A is a plausible candidate due to its role in gene methylation. Vitamin A intake above requirements during pregnancy affects the development of neurocircuitries involved in food intake and reward regulation. Pregnant Wistar rats were fed AIN-93G diets with the following content: recommended multivitamins (1-fold multivitamins: RV), high vitamin A (10-fold vitamin A: HA) or HV with only recommended vitamin A (10-fold multivitamins, 1-fold vitamin A: HVRA). Body weight, food intake and preference, mRNA expression and DNA methylation of hippocampal dopamine-related genes were assessed in male offspring brains at different developmental windows: birth, weaning and 14weeks postweaning. HA offspring had changes in dopamine-related gene expression at all developmental windows and DNA hypermethylation in the dopamine receptor 2 promoter region compared to RV offspring. Furthermore, HA diet lowered sucrose preference but had no effect on body weight and expression of hypothalamic genes. In contrast, HVRA offspring showed only at adulthood changes in expression of hippocampal genes and a modest effect on hypothalamic genes. High vitamin A intake alone in gestational diets has long-lasting programming effects on the dopaminergic system that are further translated into decreased sucrose preference but not food intake.
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Affiliation(s)
- Diana Sánchez-Hernández
- Department of Nutritional Sciences, Faculty of Medicine, University of Toronto, 150 College Street, Toronto, ON, Canada M5S 3E2.
| | - Abraham N Poon
- Department of Nutritional Sciences, Faculty of Medicine, University of Toronto, 150 College Street, Toronto, ON, Canada M5S 3E2.
| | - Ruslan Kubant
- Department of Nutritional Sciences, Faculty of Medicine, University of Toronto, 150 College Street, Toronto, ON, Canada M5S 3E2.
| | - Hwanki Kim
- Department of Nutritional Sciences, Faculty of Medicine, University of Toronto, 150 College Street, Toronto, ON, Canada M5S 3E2.
| | - Pedro S P Huot
- Department of Nutritional Sciences, Faculty of Medicine, University of Toronto, 150 College Street, Toronto, ON, Canada M5S 3E2.
| | - Clara E Cho
- Department of Nutritional Sciences, Faculty of Medicine, University of Toronto, 150 College Street, Toronto, ON, Canada M5S 3E2.
| | - Emanuela Pannia
- Department of Nutritional Sciences, Faculty of Medicine, University of Toronto, 150 College Street, Toronto, ON, Canada M5S 3E2.
| | - Sandra A Reza-López
- Department of Nutritional Sciences, Faculty of Medicine, University of Toronto, 150 College Street, Toronto, ON, Canada M5S 3E2.
| | - Zdenka Pausova
- Department of Nutritional Sciences, Faculty of Medicine, University of Toronto, 150 College Street, Toronto, ON, Canada M5S 3E2; Hospital for Sick Children, Faculty of Medicine, University of Toronto, 150 College Street, Toronto, ON, Canada M5S 3E2.
| | - Richard P Bazinet
- Department of Nutritional Sciences, Faculty of Medicine, University of Toronto, 150 College Street, Toronto, ON, Canada M5S 3E2.
| | - G Harvey Anderson
- Department of Nutritional Sciences, Faculty of Medicine, University of Toronto, 150 College Street, Toronto, ON, Canada M5S 3E2; Department of Physiology, Faculty of Medicine, University of Toronto, 150 College Street, Toronto, ON, Canada M5S 3E2.
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Sánchez-Hernández D, Cho CE, Kubant R, Reza-López SA, Poon AN, Wang J, Huot PSP, Smith CE, Anderson GH. Increasing vitamin A in post-weaning diets reduces food intake and body weight and modifies gene expression in brains of male rats born to dams fed a high multivitamin diet. J Nutr Biochem 2014; 25:991-6. [PMID: 24993918 DOI: 10.1016/j.jnutbio.2014.05.002] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2013] [Revised: 04/21/2014] [Accepted: 05/01/2014] [Indexed: 01/29/2023]
Abstract
High multivitamin gestational diets (HV, 10-fold AIN-93G levels) increase body weight (BW) and food intake (FI) in rat offspring weaned to a recommended multivitamin (RV), but not to a HV diet. We hypothesized that high vitamin A (HA) alone, similar to HV, in post-weaning diets would prevent these effects of the HV maternal diet consistent with gene expression in FI and reward pathways. Male offspring from dams fed HV diets were weaned to a high vitamin A (HA, 10-fold AIN-93G levels), HV or RV diet for 29 weeks. BW, FI, expression of genes involved in regulation of FI and reward and global and gene-specific DNA methylation of pro-opiomelanocortin (POMC) in the hypothalamus were measured. Both HV and HA diets slowed post-weaning weight gain and modified gene expression in offspring compared to offspring fed an RV post-weaning diet. Hypothalamic POMC expression in HA offspring was not different from either HV or RV, and dopamine receptor 1 was 30% (P<.05) higher in HA vs. HV, but not different from RV group. Hippocampal expression of serotonin receptor 1A (40%, P<.01), dopamine receptor 2 (40%, P<.05) and dopamine receptor 5 (70%, P<.0001) was greater in HA vs. RV fed pups and is 40% (P<.01), 50% (P<.05) and 40% (P<.0001) in HA vs. HV pups, respectively. POMC DNA methylation was lower in HA vs. RV offspring (P<.05). We conclude that high vitamin A in post-weaning diets reduces post-weaning weight gain and FI and modifies gene expression in FI and reward pathways.
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Affiliation(s)
| | - Clara E Cho
- Department of Nutritional Sciences, University of Toronto, Toronto, Ontario, Canada
| | - Ruslan Kubant
- Department of Nutritional Sciences, University of Toronto, Toronto, Ontario, Canada
| | - Sandra A Reza-López
- Department of Nutritional Sciences, University of Toronto, Toronto, Ontario, Canada
| | - Abraham N Poon
- Department of Nutritional Sciences, University of Toronto, Toronto, Ontario, Canada
| | - Jingzhou Wang
- Department of Nutritional Sciences, University of Toronto, Toronto, Ontario, Canada
| | - Pedro S P Huot
- Department of Nutritional Sciences, University of Toronto, Toronto, Ontario, Canada
| | - Christopher E Smith
- Department of Nutritional Sciences, University of Toronto, Toronto, Ontario, Canada
| | - G Harvey Anderson
- Department of Nutritional Sciences, University of Toronto, Toronto, Ontario, Canada; Department of Physiology, Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada.
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Ruiz-Quiñonez G, Reza-López SA, Chávez-Corral DV, Sánchez-Ramírez B, Leal-Berumen I, Levario-Carrillo M. Placental maturity, hypertensive disorders of pregnancy and birth weight. Hypertens Pregnancy 2013; 33:132-44. [PMID: 24303980 DOI: 10.3109/10641955.2013.842583] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
OBJECTIVES To compare maturity of placentas from women with hypertensive disorders with those from normotensive pregnancies and to determine the relationship between placental maturity (PM) and the diagnosis of small-for-gestational-age (SGA) in the newborns. MATERIALS AND METHODS We examined placental stained specimens from women with normotensive pregnancies (n = 100), diagnosis of gestational hypertension (n = 38), mild (n = 10), or severe preeclampsia (n = 34) in an optical microscope. Placental Maturity Index (PMI) was calculated as the number of vasculo-syncytial membranes (VSM) in 1 mm(2) divided by VSM thickness (µm). Hypermaturity was defined as >90th percentile of the PMI from placentas of normotensive pregnancies. Newborns were classified as SGA, adequate-for-gestational-age (AGA) or large-for-gestational-age (<10th, 10-90th, and >90th percentile from weight for gestational age reference tables, respectively). RESULTS PMI in preeclamptic women (taking together mild and severe preeclampsia, PMI = 43.4 ± 1.6) was significantly higher than in normotensive women (PMI = 36 ± 2, p = 0.045). Hypermaturity was more frequent (p < 0.05) in placentas from women with preeclampsia than in those from normotensive women only in preterm pregnancies (<37 weeks), but not in those at term (p = 0.41). The frequency of hypermaturity in placentas from women with gestational hypertension was not statistically different than in normotensive women. Hypermaturity was also more frequent in placentas from SGA (OR = 2.63, p < 0.05) than in AGA newborns. CONCLUSION The PMI was increased in preeclampsia, but not in gestational hypertension. Placental hypermaturity was also associated with the diagnosis of SGA in newborns. PM might have a role in the relationship between maternal factors and SGA.
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Cho CE, Sánchez-Hernández D, Reza-López SA, Huot PSP, Kim YI, Anderson GH. High folate gestational and post-weaning diets alter hypothalamic feeding pathways by DNA methylation in Wistar rat offspring. Epigenetics 2013; 8:710-9. [PMID: 23803567 DOI: 10.4161/epi.24948] [Citation(s) in RCA: 66] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023] Open
Abstract
Excess vitamins, especially folate, are consumed during pregnancy but later-life effects on the offspring are unknown. High multivitamin (10-fold AIN-93G, HV) gestational diets increase characteristics of metabolic syndrome in Wistar rat offspring. We hypothesized that folate, the vitamin active in DNA methylation, accounts for these effects through epigenetic modification of food intake regulatory genes. Male offspring of dams fed 10-fold folate (HFol) diet during pregnancy and weaned to recommended vitamin (RV) or HFol diets were compared with those born to RV dams and weaned to RV diet for 29 weeks. Food intake and body weight were highest in offspring of HFol dams fed the RV diet. In contrast, the HFol pup diet in offspring of HFol dams reduced food intake (7%, p = 0.02), body weight (9%, p = 0.03) and glucose response to a glucose load (21%, p = 0.02), and improved glucose response to an insulin load (20%, p = 0.009). HFol alone in either gestational or pup diet modified gene expression of feeding-related neuropeptides. Hypomethylation of the pro-opiomelanocortin (POMC) promoter occurred with the HFol pup diet. POMC-specific methylation was positively associated with glucose response to a glucose load (r = 0.7, p = 0.03). In conclusion, the obesogenic phenotype of offspring from dams fed the HFol gestational diet can be corrected by feeding them a HFol diet. Our work is novel in showing post-weaning epigenetic plasticity of the hypothalamus and that in utero programming by vitamin gestational diets can be modified by vitamin content of the pup diet.
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Affiliation(s)
- Clara E Cho
- Department of Nutritional Sciences, Faculty of Medicine, University of Toronto, Toronto, ON, Canada
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11
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Cho CE, Sánchez-Hernández D, Reza-López SA, Huot PSP, Kim YI, Anderson GH. Obesogenic phenotype of offspring of dams fed a high multivitamin diet is prevented by a post-weaning high multivitamin or high folate diet. Int J Obes (Lond) 2013; 37:1177-82. [PMID: 23295499 PMCID: PMC4954778 DOI: 10.1038/ijo.2012.210] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/13/2012] [Revised: 10/31/2012] [Accepted: 11/18/2012] [Indexed: 11/17/2022]
Abstract
Background High multivitamin (10-fold AIN-93G, HV) diets fed during pregnancy to Wistar rats increase characteristics of metabolic syndrome in offspring when weaned to the recommended vitamin (RV) diet. Objective To determine if the effects of HV gestational diets on obesogenic phenotypes in the offspring arise as a consequence of altered hypothalamic control of feeding behavior and if their increased food intake could be prevented by feeding them HV or high folate (10-fold folate, HFol) diets. Methods Male offspring of dams fed HV diet during pregnancy weaned to RV, HV or HFol diets were compared to those born to RV dams and weaned to RV diet for 29 weeks. Food intake over 72 hours and body weight were measured bi-weekly and weekly, respectively. Glucose response to a glucose load was measured at 18 weeks post-weaning. Hypothalamic gene expression of feeding-related neuropeptides including neuropeptide Y, pro-opiomelanocortin (POMC), insulin receptor, leptin receptor, brain-derived neurotrophic factor (BDNF), receptors for dopamine (DopaR1/2/5) and serotonin (SeroR1A/2A/2C), as well as global DNA methylation and brain and plasma folate concentrations were measured at 29 weeks post-weaning. Results HV or HFol pup diets increased brain and plasma folate concentrations and prevented the increase in food intake (5%, P=0.03), body weight (8%, P=0.0006) and glucose response to a glucose load (36%, P=0.02) found in those fed the RV diet. Expression of anorexigenic POMC (P=0.004) and BDNF (P=0.02) was higher, and DopaR1 was lower (P=0.06) in pups fed the HV diet. The HFol pup diet partially brought BDNF to the control level (P=0.02) and lowered SeroR2A (P=0.008). Expression of other genes was unaffected. Global DNA methylation was similar among the diet groups. Conclusion The obesogenic phenotype in offspring from HV fed dams is prevented by feeding HV or HFol pup diets, possibly due to post-weaning modulation of food intake regulatory mechanisms.
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Affiliation(s)
- C E Cho
- Department of Nutritional Sciences, Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada
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12
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Reza-López SA, Anderson GH, Szeto IMY, Taha AY, Ma DWL. High vitamin intake by Wistar rats during pregnancy alters tissue fatty acid concentration in the offspring fed an obesogenic diet. Metabolism 2009; 58:722-30. [PMID: 19375598 DOI: 10.1016/j.metabol.2009.01.014] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/06/2008] [Accepted: 01/26/2009] [Indexed: 01/11/2023]
Abstract
Diet during pregnancy affects the long-term health of the offspring. Vitamins are known to modulate lipid metabolism, which may be reflected in tissue fatty acid (FA) concentrations. The objective of this study was to investigate the effect of high vitamin intake during pregnancy on tissue FA concentration of the offspring. Wistar rats were fed an AIN-93G diet with either the recommended vitamin or 10-fold higher amounts (HV) during pregnancy. Afterward, offspring were weaned onto an obesogenic diet. Liver, quadriceps, adipose, and brain were collected over 48 weeks. Fatty acid concentration of tissue total lipids was analyzed by gas chromatography. At birth, the liver from HV offspring was higher in monounsaturated, stearic, and arachidonic acids. At weaning, the liver from HV offspring was higher in stearic and oleic acids; and in adipose tissue, n-6 and n-3 FAs were lower only in the male HV offspring (P < .05). At 12 weeks, HV offspring had higher concentrations of total fat, saturates, monounsaturates, and n-6 FA in muscle (P < .05), but not in other tissues. At 48 weeks, gestational diet did not affect tissue total lipid FA concentrations; but differences remained in specific tissue phospholipids species. Liver phospholipids from HV offspring were lower in monounsaturates and n-6 FA. Brain phosphatidylethanolamine was higher in oleic, n-6 FA, and docosahexaenoic acid in the HV offspring. Phosphatidylinositol was lower in saturates, monounsaturates, arachidonic, and docosahexaenoic acids only in HV female offspring. These observations demonstrate that high vitamin intake during pregnancy has short- and long-term effects on tissue FA concentration in the offspring.
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Affiliation(s)
- Sandra A Reza-López
- Department of Nutritional Sciences, Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada M5S 3E2
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Levario-Carrillo M, Reza-López SA, Tufiño-Olivares E, Robles-Silva M, Sanin LH, Amato D. [Relationship between pregestational body mass index and body composition in the immediate puerperium]. Ginecol Obstet Mex 2000; 68:149-53. [PMID: 10824445] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/16/2023]
Abstract
To determine the correlation between pregestational body mass index and certain body composition parameters measured by bioelectric impedance (percentage of fat weight, fat mass, and lean weight) and to compare the body composition of women in immediate puerperal period with non-pregnant women, a cross sectional study was done including 86 women in physiologic puerperal period and 90 healthy non-pregnant women, from the Instituto Mexicano del Seguro Social, in Chihuahua, Mexico, aged 16 to 40 years old. The variables considered were the body mass index (BMI) before pregnancy, percentage of fat, fat mass, lean weight, total water and bio-resistance. Body composition was measured by bioelectric impedance (BIO) from 4 to 12 hours after delivery. Correlation coefFicient for BMI and percentage of fat was r = 0.66 (p < 0.01), and for BMI and fat mass, it was r = 0.74 (p < 0.01). In non-pregnant women the total water was 35.5 +/- 5 L and in women in the immediate puerperal period 38.5 +/- 5 L (p < 0.01). In conclusion, BMI before pregnancy is a suitable predictor for body composition in the puerperal period. However, it does not discriminate important variables such as total body water, so it may be convenient to use BIA for surveillance of body composition during pregnancy.
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Affiliation(s)
- M Levario-Carrillo
- Unidad de Investigación Médica en Epidemiología Clínica, Instituto Mexicano del Seguro Social, Hospital General Regional No. 1, Chihuahua
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