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Taylor PD, Samuelsson AM, Poston L. Maternal obesity and the developmental programming of hypertension: a role for leptin. Acta Physiol (Oxf) 2014; 210:508-23. [PMID: 24433239 DOI: 10.1111/apha.12223] [Citation(s) in RCA: 67] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2013] [Revised: 09/06/2013] [Accepted: 12/13/2013] [Indexed: 01/08/2023]
Abstract
Mother-child cohort studies have established that both pre-pregnancy body mass index (BMI) and gestational weight gain are independently associated with cardio-metabolic risk factors in young adult offspring, including systolic and diastolic blood pressure. Animal models in sheep and non-human primates provide further evidence for the influence of maternal obesity on offspring cardiovascular function, whilst recent studies in rodents suggest that perinatal exposure to the metabolic milieu of maternal obesity may permanently change the central regulatory pathways involved in blood pressure regulation. Leptin plays an important role in the central control of appetite, is also involved in activation of efferent sympathetic pathways to both thermogenic and non-thermogenic tissues, such as the kidney, and is therefore implicated in obesity-related hypertension. Leptin is also thought to have a neurotrophic role in the development of the hypothalamus, and altered neonatal leptin profiles secondary to maternal obesity are associated with permanently altered hypothalamic structure and function. In rodent studies, maternal obesity confers persistent sympathoexcitatory hyper-responsiveness and hypertension acquired in the early stages of development. Experimental neonatal hyperleptinaemia in naive rat pups provides further evidence of heightened sympathetic tone and proof of principle that hyperleptinaemia during a critical window of hypothalamic development may directly lead to adulthood hypertension. Insight from these animal models raises the possibility that early-life exposure to leptin in humans may lead to early onset essential hypertension. Ongoing mother-child cohort and intervention studies in obese pregnant women provide a unique opportunity to address associations between maternal obesity and offspring cardiovascular function. The goal of the review is to highlight the potential importance of leptin in the developmental programming of hypertension in obese pregnancy.
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Affiliation(s)
- P. D. Taylor
- Division of Women's Health; Women's Health Academic Centre; King's College London and King's Health Partners; London UK
| | - A.-M. Samuelsson
- Division of Women's Health; Women's Health Academic Centre; King's College London and King's Health Partners; London UK
| | - L. Poston
- Division of Women's Health; Women's Health Academic Centre; King's College London and King's Health Partners; London UK
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202
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Gesche J, Renault K, Nørgaard K, Nilas L. Representativeness of participants in a lifestyle intervention study in obese pregnant women - the difference between study participants and non-participants. Obes Facts 2014; 7:351-60. [PMID: 25428213 PMCID: PMC5644893 DOI: 10.1159/000369769] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/05/2014] [Accepted: 08/25/2014] [Indexed: 12/21/2022] Open
Abstract
OBJECTIVE To examine the representativeness of participants attending a lifestyle intervention study addressing obese pregnant women. METHODS Retrospective comparison of baseline data, attendance to oral glucose tolerance test (OGTT) during pregnancy, and pregnancy outcome in eligible women stratified according to study participation. Of 750 eligible women with a self-reported BMI > 30 kg/m(2), and a live singleton pregnancy, 510 were eligible for inclusion and 425 were randomized to either active intervention (n= 284) or to standard obstetric care (n= 141) including two standard OGTT. The 85 women who declined participation or were excluded due to competing diseases and 240 women who did not respond to the initial invitation received the same standard care. RESULTS The randomized women had similar BMI but a lower parity and age, and were more frequently non-smokers, born in Denmark and married or cohabitating with their partner than the non-participants. Women participating in the trial had a higher compliance to the second OGTT compared to non-participants, also after correcting for age and nationality. There was no difference in pregnancy outcome, i.e., fetal weight and length, gestational age as well as mode of delivery. CONCLUSION Women declining participation in a randomized lifestyle intervention study in pregnancy have characteristics indicating they are those who might benefit the most from lifestyle intervention.
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Affiliation(s)
- Joanna Gesche
- *Joanna Gesche, Department of Obstetrics and Gynecology, Hvidovre Hospital, University of Copenhagen, Kettegårds Allé 30, 2650 Hvidovre (Denmark),
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203
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Gaillard R, Steegers EAP, Duijts L, Felix JF, Hofman A, Franco OH, Jaddoe VWV. Childhood cardiometabolic outcomes of maternal obesity during pregnancy: the Generation R Study. Hypertension 2013; 63:683-91. [PMID: 24379180 DOI: 10.1161/hypertensionaha.113.02671] [Citation(s) in RCA: 178] [Impact Index Per Article: 16.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Maternal prepregnancy obesity is associated with impaired cardiometabolic health in offspring. Whether these associations reflect direct intrauterine causal mechanisms remains unclear. In a population-based prospective cohort study among 4871 mothers, fathers, and their children, we examined the associations of both maternal and paternal prepregnancy body mass index (BMI) with childhood body fat distribution and cardiometabolic outcomes and explored whether any association was explained by pregnancy, birth, and childhood factors. We measured childhood BMI, total body and abdominal fat distribution, blood pressure, and blood levels of lipids, insulin, and C-peptide at the age of 6 years. We observed that higher maternal and paternal prepregnancy BMI were associated with higher childhood BMI, total body and abdominal fat mass measures, systolic blood pressure, and insulin levels and lower high-density lipoprotein cholesterol levels (P<0.05). Stronger associations were present for maternal than paternal BMI, with statistical support for heterogeneity between these associations. The associations for childhood fat mass and cardiometabolic outcomes attenuated after adjustment for childhood current BMI. Compared with children from normal-weight mothers, those from obese mothers had increased risks of childhood overweight (odds ratio, 3.84 [95% confidence interval, 3.01-4.90]) and clustering of cardiometabolic risk factors (odds ratio, 3.00 [95% confidence interval, 2.09-4.34]). Smaller effect estimates for these outcomes were observed for paternal obesity. In conclusion, higher maternal and paternal prepregnancy BMI were associated with an adverse cardiometabolic profile in offspring, with stronger associations present for maternal prepregnancy BMI. These findings suggest that maternal prepregnancy BMI may influence the cardiometabolic health of offspring through direct intrauterine mechanisms.
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Affiliation(s)
- Romy Gaillard
- The Generation R Study Group (Na29-15), Erasmus Medical Center, PO Box 2040, 3000 CA Rotterdam, The Netherlands.
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204
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Hypertension in children and adolescents attending a lipid clinic. Eur J Pediatr 2013; 172:1573-9. [PMID: 23835856 DOI: 10.1007/s00431-013-2082-8] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/18/2013] [Accepted: 06/19/2013] [Indexed: 10/26/2022]
Abstract
UNLABELLED This study aims to investigate prevalence of hypertension and cardiovascular risk factor clustering in children and adolescents attending a lipid clinic as well as the relationship of their hypertensive status with indicators of fat distribution and parental fat distribution and blood pressure (BP). In this cross-sectional primary prevention study, data on indicators of fat distribution (waist, hip, and middle-upper arm circumferences), body mass index (BMI), BP, high-sensitivity C-reactive protein (hsCRP), lipid and glucose profile of 370 children and adolescents (180 M, 190 F, mean age 9.5 years, (range 6-14 years)) were collected. Parents (502, 251 M, 251 F, age range 28-36 years), who gave their informed consent, underwent BMI, fat distribution, and BP measurements. There were 131 (35.4 %) hypercholesterolemic subjects and 72 (19.5 %) hypertensives. Using tests on medians, in comparison with 298 normotensives, the 72 hypertensives had higher levels of insulin (p<0.005) and no differences in cholesterol levels, age, and height. BMI and all the indicators of fat distribution were significantly higher (all p<0.01) in hypertensives than normotensives. BMI and waist circumferences were higher (both p<0.05) in the mothers of hypertensives, but not in the fathers. Hypertensive subjects' BMI was related to mothers' hip and waist circumferences (r=0.28 and 0.21, respectively). CONCLUSIONS In this study, children's hypertension was a component of the metabolic syndrome, but uric acid and hsCRP levels were not contributive. This hemodynamic and metabolic disorder was related to maternal fat distribution and BMI suggesting an epigenetic etiology.
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205
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Chen R, Mody PS, Gupta A, Bikdeli B, Dreyer R, Chen SI, Nuti S, Ranasinghe I. Most important outcomes research papers on body weight, obesity and cardiovascular outcomes. Circ Cardiovasc Qual Outcomes 2013; 6:e48-56. [PMID: 24221833 DOI: 10.1161/circoutcomes.113.000681] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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206
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Ojha S, Robinson L, Symonds ME, Budge H. Suboptimal maternal nutrition affects offspring health in adult life. Early Hum Dev 2013; 89:909-13. [PMID: 24080391 DOI: 10.1016/j.earlhumdev.2013.08.022] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 08/26/2013] [Indexed: 01/24/2023]
Abstract
Suboptimal maternal nutrition during pregnancy is prevalent and compromises fetal development. Physiological and metabolic adaptations made by the fetus to an inadequate, or excess, maternal nutritional environment, may promote immediate survival but are lasting, conferring significantly increased risks of ill health in childhood and adulthood. In addition, such fetal adaptations are particularly detrimental when nutrient supply is no longer constrained in contemporary nutrient rich environments. Given the prevalence of suboptimal maternal nutritional environments during fetal development, effective prevention, early detection and therapeutic interventions to reduce the increased risks on population health must be a health priority. Therefore, the mechanisms of these lasting in utero adaptations are highly relevant to establishing how exposure to a suboptimal nutritional environment impacts on the health of current generations living in an environment challenged by excess nutrition.
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Affiliation(s)
- Shalini Ojha
- The Early Life Research Unit, Academic Child Health, School of Medicine, The University of Nottingham, Nottingham, NG7 2UH, UK.
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207
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Edvardsson K, Lindkvist M, Eurenius E, Mogren I, Small R, Ivarsson A. A population-based study of overweight and obesity in expectant parents: socio-demographic patterns and within-couple associations. BMC Public Health 2013; 13:923. [PMID: 24090153 PMCID: PMC3854510 DOI: 10.1186/1471-2458-13-923] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2013] [Accepted: 09/27/2013] [Indexed: 01/02/2023] Open
Abstract
BACKGROUND Overweight and obesity in pregnancy increase the risk of several adverse pregnancy outcomes. However, both mothers' and fathers' health play an important role for long-term health outcomes in offspring. While aspects of health and lifestyle of pregnant women have been reported, the health of expectant fathers and correlations of health variables within couples have received less attention. This study aimed to explore the prevalence and socio-demographic patterns of overweight and obesity in Swedish expectant parents, and to assess within-couple associations. METHODS This population-based, cross-sectional study investigated self-reported data from 4352 pregnant women and 3949 expectant fathers, comprising 3356 identified couples. Data were collected in antenatal care clinics between January 2008 and December 2011. Descriptive, correlation and logistic regression analyses were performed. RESULTS The self-reported prevalence of overweight (BMI 25.0-29.99) and obesity (BMI ≥ 30.0) was 29% among women (pre-pregnancy) and 53% among expectant fathers. In a majority of couples (62%), at least one partner was overweight or obese. The odds of being overweight or obese increased relative to partner's overweight or obesity, and women's odds of being obese were more than six times higher if their partners were also obese in comparison with women whose partners were of normal weight (OR 6.2, CI 4.2-9.3). A socio-demographic gradient was found in both genders in relation to education, occupation and area of residence, with higher odds of being obese further down the social ladder. The cumulative influence of these factors showed a substantial increase in the odds of obesity for the least compared to the most privileged (OR 6.5, CI 3.6-11.8). CONCLUSIONS The prevalence of overweight and obesity in expectant parents was high, with a clear social gradient, and a minority of couples reported both partners with a healthy weight at the onset of pregnancy. Partner influence on health and health behaviours, and the role both mothers and fathers play in health outcomes of their offspring, underpin the need for a more holistic and gender inclusive approach to the delivery of pregnancy care and postnatal and child health services, with active measures employed to involve fathers.
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Affiliation(s)
- Kristina Edvardsson
- Department of Public Health and Clinical Medicine, Epidemiology and Global Health, Umeå University, SE 901 87 Umeå, Sweden.
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208
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Soliman AT, Eldabbagh M, Saleem W, Zahredin K, Shatla E, Adel A. Placental weight: relation to maternal weight and growth parameters of full-term babies at birth and during childhood. J Trop Pediatr 2013; 59:358-64. [PMID: 23666952 DOI: 10.1093/tropej/fmt030] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
Human growth is a continuous process. Studies defining placental effect on prenatal and postnatal human growth are few. We studied the anthropometric data of hundred mothers who gave birth at term after an uncomplicated singleton pregnancy, and their infants in relation to their placental weight using linear regression analysis. Mother weight, placental weight, and infant length (BL), weight (BW), and head circumference (HC) were obtained at birth and during childhood period (4.5 ± 2 years) of age. At birth, placental weights were correlated significantly with maternal weights (r = 0.21, P = 0.031). Placental weights were significantly correlated with growth parameters of the child at birth and during childhood. Infant BW (r = 0.71, r < 0.001), body mass index SDS (BMI SDS) (r = 0.589, P < 0.001), length SDS (LSDS) (0.567, P < 0.001) and HC (r = 0.699, P < 0.001). During childhood, placental weights were correlated with BMI SDS (r = 0.296, P = 0.002) and HtSDS = (r = 0.254, P = 0.009). LSDS at birth was correlated significantly with HtSDS during childhood (r = 0.445, P < 0.001). Placental weight represents a good marker of fetal growth (at birth) and significantly correlates with early childhood growth in full-term infants.
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Affiliation(s)
- Ashraf T Soliman
- The Departments of Pediatrics, Hamad Medical Center, Doha, Qatar
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209
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Ludwig DS, Rouse HL, Currie J. Pregnancy weight gain and childhood body weight: a within-family comparison. PLoS Med 2013; 10:e1001521. [PMID: 24130460 PMCID: PMC3794857 DOI: 10.1371/journal.pmed.1001521] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/28/2013] [Accepted: 08/20/2013] [Indexed: 11/18/2022] Open
Abstract
BACKGROUND Excessive pregnancy weight gain is associated with obesity in the offspring, but this relationship may be confounded by genetic and other shared influences. We aimed to examine the association of pregnancy weight gain with body mass index (BMI) in the offspring, using a within-family design to minimize confounding. METHODS AND FINDINGS In this population-based cohort study, we matched records of all live births in Arkansas with state-mandated data on childhood BMI collected in public schools (from August 18, 2003 to June 2, 2011). The cohort included 42,133 women who had more than one singleton pregnancy and their 91,045 offspring. We examined how differences in weight gain that occurred during two or more pregnancies for each woman predicted her children's BMI and odds ratio (OR) of being overweight or obese (BMI≥85th percentile) at a mean age of 11.9 years, using a within-family design. For every additional kg of pregnancy weight gain, childhood BMI increased by 0.0220 (95% CI 0.0134-0.0306, p<0.0001) and the OR of overweight/obesity increased by 1.007 (CI 1.003-1.012, p = 0.0008). Variations in pregnancy weight gain accounted for a 0.43 kg/m(2) difference in childhood BMI. After adjustment for birth weight, the association of pregnancy weight gain with childhood BMI was attenuated but remained statistically significant (0.0143 kg/m(2) per kg of pregnancy weight gain, CI 0.0057-0.0229, p = 0.0007). CONCLUSIONS High pregnancy weight gain is associated with increased body weight of the offspring in childhood, and this effect is only partially mediated through higher birth weight. Translation of these findings to public health obesity prevention requires additional study. Please see later in the article for the Editors' Summary.
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Affiliation(s)
- David S. Ludwig
- New Balance Foundation Obesity Prevention Center, Boston Children's Hospital, Boston, Massachusetts, United States of America
- * E-mail:
| | - Heather L. Rouse
- Arkansas Center for Health Improvement, University of Arkansas for Medical Sciences, Little Rock, Arkansas, United States of America
| | - Janet Currie
- Center for Health and Wellbeing, Princeton University, Princeton, New Jersey, United States of America
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210
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Abstract
Moderate/severe obesity is on the rise in the United States. Weight management includes bariatric surgery, which is effective and can alleviate morbidity and mortality from obesity-associated diseases. However, many individuals are dealing with nutritional complications. Risk factors include: 1) preoperative malnutrition (e.g., vitamin D, iron); 2) decreased food intake (due to reduced hunger and increased satiety, food intolerances, frequent vomiting); 3) inadequate nutrient supplementation (due to poor compliance with multivitamin/multimineral regimen, insufficient amounts of vitamins and/or minerals in supplements); 4) nutrient malabsorption; and 5) inadequate nutritional support (due to lack of follow-up, insufficient monitoring, difficulty in recognizing symptoms of deficiency). For some nutrients (e.g., protein, vitamin B-12, vitamin D), malnutrition issues are reasonably addressed through patient education, routine monitoring, and effective treatment strategies. However, there is little attention paid to other nutrients (e.g., zinc, copper), which if left untreated may have devastating consequences (e.g., hair loss, poor immunity, anemia, defects in neuro-muscular function). This review focuses on malnutrition in essential minerals, including calcium (and vitamin D), iron, zinc, and copper, which commonly occur following popular bariatric procedures. There will be emphasis on the complexities, including confounding factors, related to screening, recognition of symptoms, and, when available, current recommendations for treatment. There is an exceptionally high risk of malnutrition in adolescents and pregnant women and their fetuses, who may be vulnerable to problems in growth and development. More research is required to inform evidence-based recommendations for improving nutritional status following bariatric surgery and optimizing weight loss, metabolic, and nutritional outcomes.
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Affiliation(s)
| | - Breanne N. Wright
- Department of Nutrition Science, Purdue University, West Lafayette, IN
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211
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Samuelsson AM, Clark J, Rudyk O, Shattock MJ, Bae SE, South T, Pombo J, Redington K, Uppal E, Coen CW, Poston L, Taylor PD. Experimental hyperleptinemia in neonatal rats leads to selective leptin responsiveness, hypertension, and altered myocardial function. Hypertension 2013; 62:627-33. [PMID: 23836797 DOI: 10.1161/hypertensionaha.111.00691] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The prevalence of obesity among pregnant women is increasing. Evidence from human cohort studies and experimental animals suggests that offspring cardiovascular and metabolic function is compromised through early life exposure to maternal obesity. Previously, we reported that juvenile offspring of obese rats develop sympathetically mediated hypertension associated with neonatal hyperleptinemia. We have now addressed the hypothesis that neonatal exposure to raised leptin in the immediate postnatal period plays a causal role. Pups from lean Sprague-Dawley rats were treated either with leptin (3 mg/kg IP) or with saline twice daily from postnatal day 9 to 15 to mimic the exaggerated postnatal leptin surge observed in offspring of obese dams. Cardiovascular function was assessed by radiotelemetry at 30 days, and 2 and 12 months. In juvenile (30 days) leptin-treated rats, hearts were heavier and night-time (active period) systolic blood pressure was raised (mm Hg; mean ± SEM: male leptin-treated, 132 ± 1 versus saline-treated, 119 ± 1, n=6, P<0.05; female leptin-treated, 132 ± 2 versus saline-treated, 119 ± 1, n=6, P<0.01), and the pressor response to restraint stress and leptin challenge increased compared with saline-treated rats. Heart rate variability demonstrated an increased low:high frequency ratio in 30-day leptin-treated animals, indicative of heightened sympathetic efferent tone. Echocardiography showed altered left ventricular structure and systolic function in 30-day female leptin versus saline-treated rats. These disorders persisted to adulthood. In isolated hearts, contractile function was impaired at 5 months in male leptin-treated rats. Exogenously imposed hyperleptinemia in neonatal rats permanently influences blood pressure and cardiac structure and function.
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Affiliation(s)
- Anne-Maj Samuelsson
- Division of Women's Health, Women's Health Academic Centre, London SE1 7EH, United Kingdom.
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212
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Alderton S. Launch of the BNF Task Force Report ‘Nutrition and Development: Short- and long-term consequences for health’. NUTR BULL 2013. [DOI: 10.1111/nbu.12050] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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213
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Reynolds RM, Allan KM, Raja EA, Bhattacharya S, McNeill G, Hannaford PC, Sarwar N, Lee AJ, Bhattacharya S, Norman JE. Maternal obesity during pregnancy and premature mortality from cardiovascular event in adult offspring: follow-up of 1 323 275 person years. BMJ 2013; 347:f4539. [PMID: 23943697 PMCID: PMC3805484 DOI: 10.1136/bmj.f4539] [Citation(s) in RCA: 356] [Impact Index Per Article: 32.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
OBJECTIVES To determine whether maternal obesity during pregnancy is associated with increased mortality from cardiovascular events in adult offspring. DESIGN Record linkage cohort analysis. SETTING Birth records from the Aberdeen Maternity and Neonatal databank linked to the General Register of Deaths, Scotland, and the Scottish Morbidity Record systems. POPULATION 37 709 people with birth records from 1950 to present day. MAIN OUTCOME MEASURES Death and hospital admissions for cardiovascular events up to 1 January 2012 in offspring aged 34-61. Maternal body mass index (BMI) was calculated from height and weight measured at the first antenatal visit. The effect of maternal obesity on outcomes in offspring was tested with time to event analysis with Cox proportional hazard regression to compare outcomes in offspring of mothers in underweight, overweight, or obese categories of BMI compared with offspring of women with normal BMI. RESULTS All cause mortality was increased in offspring of obese mothers (BMI >30) compared with mothers with normal BMI after adjustment for maternal age at delivery, socioeconomic status, sex of offspring, current age, birth weight, gestation at delivery, and gestation at measurement of BMI (hazard ratio 1.35, 95% confidence interval 1.17 to 1.55). In adjusted models, offspring of obese mothers also had an increased risk of hospital admission for a cardiovascular event (1.29, 1.06 to 1.57) compared with offspring of mothers with normal BMI. The offspring of overweight mothers also had a higher risk of adverse outcomes. CONCLUSIONS Maternal obesity is associated with an increased risk of premature death in adult offspring. As one in five women in the United Kingdom is obese at antenatal booking, strategies to optimise weight before pregnancy are urgently required.
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Affiliation(s)
- Rebecca M Reynolds
- Endocrinology Unit, BHF/University Centre for Cardiovascular Science, University of Edinburgh, Queen's Medical Research Institute, Edinburgh EH14 6TJ, UK.
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214
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Timing of maternal exposure to a high fat diet and development of obesity and hyperinsulinemia in male rat offspring: same metabolic phenotype, different developmental pathways? J Nutr Metab 2013; 2013:517384. [PMID: 23762542 PMCID: PMC3666195 DOI: 10.1155/2013/517384] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2013] [Revised: 04/08/2013] [Accepted: 04/20/2013] [Indexed: 12/22/2022] Open
Abstract
Objective. Offspring born to mothers either fed an obesogenic diet throughout their life or restricted to pregnancy and lactation demonstrate obesity, hyperinsulinemia, and hyperleptinemia, irrespective of their postweaning diet. We examined whether timing of a maternal obesogenic diet results in differential regulation of pancreatic adipoinsular and inflammatory signaling pathways in offspring. Methods. Female Wistar rats were randomized into 3 groups: (1) control (CONT): fed a control diet preconceptionally and during pregnancy and lactation; (2) maternal high fat (MHF): fed an HF diet throughout their life and during pregnancy and lactation; (3) pregnancy and lactation HF (PLHF): fed a control diet throughout life until mating, then HF diet during pregnancy and lactation. Male offspring were fed the control diet postweaning. Plasma and pancreatic tissue were collected, and mRNA concentrations of key factors regulating adipoinsular axis signaling were determined. Results. MHF and PLHF offspring exhibited increased adiposity and were hyperinsulinemic and hyperleptinemic compared to CONT. Despite a similar anthropometric phenotype, MHF and PLHF offspring exhibited distinctly different expression for key pancreatic genes, dependent upon maternal preconceptional nutritional background. Conclusions. These data suggest that despite using differential signaling pathways, obesity in offspring may be an adaptive outcome of early life exposure to HF during critical developmental windows.
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215
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Buescher JL, Musselman LP, Wilson CA, Lang T, Keleher M, Baranski TJ, Duncan JG. Evidence for transgenerational metabolic programming in Drosophila. Dis Model Mech 2013; 6:1123-32. [PMID: 23649823 PMCID: PMC3759332 DOI: 10.1242/dmm.011924] [Citation(s) in RCA: 68] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023] Open
Abstract
Worldwide epidemiologic studies have repeatedly demonstrated an association between prenatal nutritional environment, birth weight and susceptibility to adult diseases including obesity, cardiovascular disease and type 2 diabetes. Despite advances in mammalian model systems, the molecular mechanisms underlying this phenomenon are unclear, but might involve programming mechanisms such as epigenetics. Here we describe a new system for evaluating metabolic programming mechanisms using a simple, genetically tractable Drosophila model. We examined the effect of maternal caloric excess on offspring and found that a high-sugar maternal diet alters body composition of larval offspring for at least two generations, augments an obese-like phenotype under suboptimal (high-calorie) feeding conditions in adult offspring, and modifies expression of metabolic genes. Our data indicate that nutritional programming mechanisms could be highly conserved and support the use of Drosophila as a model for evaluating the underlying genetic and epigenetic contributions to this phenomenon.
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216
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Mannan M, Doi SAR, Mamun AA. Association between weight gain during pregnancy and postpartum weight retention and obesity: a bias-adjusted meta-analysis. Nutr Rev 2013; 71:343-52. [PMID: 23731445 DOI: 10.1111/nure.12034] [Citation(s) in RCA: 141] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Abstract
Gestational weight gain (GWG) is associated with postpartum weight retention (PPWR) in women. The strength of the association between GWG and long-term PPWR and body mass index (BMI), however, is still unclear. Publications from different databases were systematically extracted and the articles relevant to this study were reviewed to quantify the effect estimate of GWG on PPWR and BMI using a bias-adjusted method. The Institute of Medicine categories of "inadequate," "adequate," and "excess" were used to define GWG. The time span for PPWR was divided into three periods (<1 year, 1 year to 9 years, and ≥15 years) to determine outcome at different times postpartum. Twelve studies met the eligibility criteria and were included in the analyses. Women with an inadequate GWG had a significantly lower mean PPWR of -2.14 kg (95%CI, -2.61 to -1.66) than women with an adequate GWG, who had a mean PPWR of 3.15 kg (95%CI, 2.47 to 3.82) up to 21 years postpartum. Over the postpartum time span, a U-shaped relationship was observed between the weighted mean difference calculated for women with excess GWG and the weighted mean difference calculated for women with adequate GWG, and this relationship was time independent between these two groups. Postpartum BMI showed a similar relationship and magnitude of change, but the exact loss or gain was difficult to assess due to fewer studies (n = 5) with considerable heterogeneity of BMI measurements. The findings of this study suggest that GWG outside of the Institute of Medicine recommendations can lead to both short-term and long-term postpartum weight imbalance.
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Affiliation(s)
- Munim Mannan
- School of Population Health, University of Queensland, Brisbane, Queensland 4006, Australia
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217
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Juonala M, Jääskeläinen P, Sabin MA, Viikari JSA, Kähönen M, Lehtimäki T, Seppälä I, Hutri-Kähönen N, Taittonen L, Jokinen E, Laitinen T, Magnussen CG, Raitakari OT. Higher maternal body mass index is associated with an increased risk for later type 2 diabetes in offspring. J Pediatr 2013; 162:918-23.e1. [PMID: 23260097 DOI: 10.1016/j.jpeds.2012.10.062] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/09/2012] [Revised: 10/01/2012] [Accepted: 10/31/2012] [Indexed: 12/23/2022]
Abstract
OBJECTIVES To investigate whether the body mass index (BMI) of a child's mother is associated with an increased future risk of type 2 diabetes, independent of genetic risk or childhood metabolic, behavioral, and environmental factors. STUDY DESIGN The analyses were based on the Cardiovascular Risk in Young Finns Study including 1835 individuals aged 3-18 years at baseline with data on maternal BMI, childhood metabolic factors, as well as 34 newly identified type 2 diabetes susceptibility alleles. These subjects were then followed-up over 21-27 years. RESULTS Maternal BMI (OR for 1-SD increase 1.54 [95% CI 1.12-2.11], P = .008) and child's systolic blood pressure (1.54 [1.01-2.35], P = .04) were significantly associated with increased odds for later type 2 diabetes, in a multivariable analysis adjusted for age, sex, type 2 diabetes genetic risk score, childhood BMI, insulin, lipids, dietary factors, socioeconomic status, and mother's age, and history of type 2 diabetes. A risk prediction model, which included maternal BMI status outperformed one which utilized only child's BMI data (area under the receiver operating characteristic curve 0.720 vs 0.623, P = .02). The inclusion of genetic risk score and other baseline risk variables did not additionally improve prediction (area under the receiver operating characteristic curve 0.720 vs 0.745, P = .40). CONCLUSIONS Maternal BMI is a useful variable in determining offspring risk of developing type 2 diabetes.
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Affiliation(s)
- Markus Juonala
- Research Center of Applied and Preventive Cardiovascular Medicine, University of Turku and Turku University Hospital, Turku, Finland.
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Dello Russo M, Ahrens W, De Vriendt T, Marild S, Molnar D, Moreno LA, Reeske A, Veidebaum T, Kourides YA, Barba G, Siani A. Gestational weight gain and adiposity, fat distribution, metabolic profile, and blood pressure in offspring: the IDEFICS project. Int J Obes (Lond) 2013; 37:914-9. [PMID: 23567926 DOI: 10.1038/ijo.2013.35] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/04/2012] [Revised: 02/20/2013] [Accepted: 02/24/2013] [Indexed: 11/09/2022]
Abstract
OBJECTIVE To investigate the association between gestational weight gain (GWG) and total adiposity, body fat distribution, blood pressure (BP), and metabolic profile in offspring. DESIGN Cross-sectional study. METHODS Body mass index (BMI), waist, subscapular and tricipital skinfolds, and BP were measured and blood samples drawn in 12 775 children (aged 2-9 years) from the IDEFICS cohort. Overweight/obesity was defined by IOTF criteria. Parents filled in a questionnaire investigating child and familiar medical history and lifestyle. A section was dedicated to pregnancy history (including GWG). RESULTS Anthropometric indices linearly and significantly increased across GWG tertiles (BMI z-score: tertile I =0.08, 0.03-0.13; tertile II =0.16, 0.12-0.21; tertile III =0.34, 0.28-0.40, P<0.01, mean, 95% CI) by analysis of covariance (ANCOVA) adjusted by child sex, age and practice of sport, birth weight, current maternal BMI, parental education, gestational age, age at delivery, alcohol and smoking during pregnancy, maternal diabetes mellitus, gestational hypertension, and breastfeeding duration. After inclusion of BMI z-score among covariates, HbA1c significantly increased across tertiles (P=0.009) while no differences were observed for BP, serum insulin, HOMA index, blood glucose and lipids. The adjusted risk of overweight/obesity significantly increased by 14 and 22% in tertiles II and III respectively, in comparison with tertile I by logistic regression analysis controlling for covariates. CONCLUSION Maternal GWG is an independent predictor of total adiposity and body fat distribution in offspring during infancy. Exposure to perinatal factors should be taken into account for early prevention of overweight and obesity.
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Affiliation(s)
- M Dello Russo
- Epidemiology & Population Genetics, Institute of Food Sciences, CNR, Avellino, Italy
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Current World Literature. Curr Opin Obstet Gynecol 2013. [DOI: 10.1097/gco.0b013e32835f3eec] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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220
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Lawlor DA. The Society for Social Medicine John Pemberton Lecture 2011. Developmental overnutrition—an old hypothesis with new importance?*. Int J Epidemiol 2013; 42:7-29. [DOI: 10.1093/ije/dys209] [Citation(s) in RCA: 95] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
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221
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Samuelsson AM, Matthews PA, Jansen E, Taylor PD, Poston L. Sucrose feeding in mouse pregnancy leads to hypertension, and sex-linked obesity and insulin resistance in female offspring. Front Physiol 2013; 4:14. [PMID: 23423541 PMCID: PMC3575022 DOI: 10.3389/fphys.2013.00014] [Citation(s) in RCA: 53] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2012] [Accepted: 01/18/2013] [Indexed: 11/13/2022] Open
Abstract
Eating an unbalanced diet during pregnancy may induce long-term health consequences in offspring, in particular obesity, insulin resistance, and hypertension. We tested the hypothesis that a maternal diet rich in simple sugars predispose mouse offspring to obesity, glucose intolerance, and cardiovascular diseases in adulthood. Female C57BL/6J mice were fed either a standard chow or a sucrose-rich diet (26% of total energy) 6 weeks prior to mating, throughout pregnancy and lactation. Offspring of control dams (OC) and high sucrose fed dams (OSF) were weaned onto standard control chow, and metabolic and cardiovascular parameters determined at 3 months of age. Both male and female OSF were hyperphagic by 4 weeks of age and females were heavier than OC at 6 weeks. At 3 months, female OSF showed a significant increase in inguinal fat pad mass, whereas skeletal muscle mass (tibialis anterior) and locomotor activity were decreased relative to OC. A 10-fold increase in fasting serum insulin in female OSF vs. OC at 3 months (Insulin [pmol/L] mean ± SEM, OSF, 200.3 ± 16.1, vs. OC, 20.3 ± 1.8, n = 6 P < 0.001), was associated with impaired glucose tolerance (AUC [mmol/L min] mean ± SEM, OSF 1437.4 ± 124.2 vs. OC, 1076.8 ± 83.9, n = 6, P < 0.05). Both male and female OSF were hypertensive as assessed by radiotelemetry (night-time systolic arterial pressure (SAP) [mmHg] mean ± SEM, male OSF, 128 ± 1 vs. OC, 109 ± 1, n = 6, P < 0.01; female OSF, 130 ± 1 vs. OC, 118 ± 1, n = 6, P < 0.05). Analysis of heart rate variability (HRV) demonstrated an increased low:high frequency ratio in male and female OSF (P < 0.05), indicative of heightened sympathetic efferent tone. Renal tissue noradrenaline (NA) content was markedly raised in the OSF vs. OC (NA [pg/ml/mg tissue] mean ± SEM, male OSF, 2.28 ± 0.19 vs. OC 0.84 ± 0.09, n = 6, P < 0.01). Exposure to a maternal diet rich in sucrose led to obesity and glucose intolerance in female mice offspring, and hypertension in both sexes.
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Affiliation(s)
- Anne-Maj Samuelsson
- Division of Women's Health, Women's Health Academic Center, King's College London and King's Health PartnersLondon, UK
| | - Phillippa A. Matthews
- Division of Women's Health, Women's Health Academic Center, King's College London and King's Health PartnersLondon, UK
| | - Eugene Jansen
- Laboratory for Health Protection Research, National Institute for Public Health and the EnvironmentBilthoven, Netherlands
| | - Paul D. Taylor
- Division of Women's Health, Women's Health Academic Center, King's College London and King's Health PartnersLondon, UK
| | - Lucilla Poston
- Division of Women's Health, Women's Health Academic Center, King's College London and King's Health PartnersLondon, UK
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Guénard F, Tchernof A, Deshaies Y, Cianflone K, Kral JG, Marceau P, Vohl MC. Methylation and expression of immune and inflammatory genes in the offspring of bariatric bypass surgery patients. J Obes 2013; 2013:492170. [PMID: 23840945 PMCID: PMC3693160 DOI: 10.1155/2013/492170] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/28/2013] [Revised: 05/17/2013] [Accepted: 05/22/2013] [Indexed: 01/05/2023] Open
Abstract
BACKGROUND Maternal obesity, excess weight gain and overnutrition during pregnancy increase risks of obesity, type 2 diabetes mellitus, and cardiovascular disease in the offspring. Maternal biliopancreatic diversion is an effective treatment for severe obesity and is beneficial for offspring born after maternal surgery (AMS). These offspring exhibit lower severe obesity prevalence and improved cardiometabolic risk factors including inflammatory marker compared to siblings born before maternal surgery (BMS). OBJECTIVE To assess relationships between maternal bariatric surgery and the methylation/expression of genes involved in the immune and inflammatory pathways. METHODS A differential gene methylation analysis was conducted in a sibling cohort of 25 BMS and 25 AMS offspring from 20 mothers. Following differential gene expression analysis (23 BMS and 23 AMS), pathway analysis was conducted. Correlations between gene methylation/expression and circulating inflammatory markers were computed. RESULTS Five immune and inflammatory pathways with significant overrepresentation of both differential gene methylation and expression were identified. In the IL-8 pathway, gene methylation correlated with both gene expression and plasma C-reactive protein levels. CONCLUSION These results suggest that improvements in cardiometabolic risk markers in AMS compared to BMS offspring may be mediated through differential methylation of genes involved in immune and inflammatory pathways.
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Affiliation(s)
- Frédéric Guénard
- Department of Food Science and Nutrition, Institute of Nutrition and Functional Foods (INAF), Laval University, Québec, QC, Canada G1V 0A6
- Endocrinology and Nephrology, CHU de Québec Research Center, Québec, QC, Canada G1V 4G2
| | - André Tchernof
- Endocrinology and Nephrology, CHU de Québec Research Center, Québec, QC, Canada G1V 4G2
- Québec Heart and Lung Institute, Québec, QC, Canada G1V 4G5
| | - Yves Deshaies
- Québec Heart and Lung Institute, Québec, QC, Canada G1V 4G5
- Department of Medicine, Laval University, Québec, QC, Canada G1V 0A6
| | - Katherine Cianflone
- Québec Heart and Lung Institute, Québec, QC, Canada G1V 4G5
- Department of Medicine, Laval University, Québec, QC, Canada G1V 0A6
| | - John G. Kral
- Department of Surgery, SUNY Downstate Medical Center, Brooklyn, NY 11203, USA
| | - Picard Marceau
- Québec Heart and Lung Institute, Québec, QC, Canada G1V 4G5
- Department of Surgery, Laval University, Québec, QC, Canada G1V 0A6
| | - Marie-Claude Vohl
- Department of Food Science and Nutrition, Institute of Nutrition and Functional Foods (INAF), Laval University, Québec, QC, Canada G1V 0A6
- Endocrinology and Nephrology, CHU de Québec Research Center, Québec, QC, Canada G1V 4G2
- *Marie-Claude Vohl:
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223
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O'Reilly JR, Reynolds RM. The risk of maternal obesity to the long-term health of the offspring. Clin Endocrinol (Oxf) 2013; 78:9-16. [PMID: 23009645 DOI: 10.1111/cen.12055] [Citation(s) in RCA: 185] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/23/2012] [Revised: 09/18/2012] [Accepted: 09/19/2012] [Indexed: 01/22/2023]
Abstract
The prevalence of maternal obesity has risen dramatically in recent years, with approximately one in five pregnant women in the UK now classed as obese (body mass index ≥ 30 kg/m(2) ) at antenatal booking. Obesity during pregnancy has been hypothesized to exert long-term health effects on the developing child through 'early life programming'. While this phenomenon has been well studied in a maternal undernutrition paradigm, the processes by which the programming effects of maternal obesity are mediated are less well understood. In humans, maternal obesity has been associated with a number of long-term adverse health outcomes in the offspring, including lifelong risk of obesity and metabolic dysregulation with increased insulin resistance, hypertension and dyslipidaemia, as well as behavioural problems and risk of asthma. The complex relationships between the maternal metabolic milieu and the developing foetus, as well as the potential influence of postnatal lifestyle and environment, have complicated efforts to study the programming effects of maternal overnutrition in humans. This review will examine the emerging evidence from human studies linking maternal obesity to adverse offspring outcomes.
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Affiliation(s)
- James R O'Reilly
- Centre for Cardiovascular Sciences, Queen's Medical Research Institute, Endocrinology Unit, University of Edinburgh, Edinburgh, UK
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Dior UP, Hochner H, Friedlander Y, Calderon-Margalit R, Jaffe D, Burger A, Avgil M, Manor O, Elchalal U. Association between number of children and mortality of mothers: results of a 37-year follow-up study. Ann Epidemiol 2012. [PMID: 23176782 DOI: 10.1016/j.annepidem.2012.10.005] [Citation(s) in RCA: 57] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
PURPOSE To examine the association between parity and long-term, all-cause mortality and mortality owing to specific causes in women. METHODS This prospective population-based study included 40,454 mothers who gave birth in Western Jerusalem, Israel, to 125,842 children and were followed for an average of 37 years after the birth of their first child. Cox proportional hazards models were used to evaluate long-term total and specific-cause mortality of women by their parity. RESULTS We found a U-shaped relationship between the number of offspring and risk of all-cause mortality in mothers. After adjustment for sociodemographic characteristics and maternal health and obstetric conditions, higher mortality rates were observed for mothers of 1 child (hazard ratio [HR], 1.18; 95% confidence interval [CI], 1.04-1.4), mothers of 5 to 9 children (HR, 1.21; 95% CI, 1.09-1.33), and mothers of 10 or more children (HR, 1.49; 95% CI, 1.12-1.99) compared with mothers of 2 to 4 children. Mortality risk from specific causes including coronary disease, circulatory disease, and cancer were increased for multiparous women. CONCLUSIONS In this long-term follow-up study, there was an association between number of children and mortality risk for mothers. These findings suggest that maternal pregnancies and postnatal characteristics as reflected by number of children may have consequences for long-term maternal health.
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Affiliation(s)
- Uri P Dior
- Braun School of Public Health, Hebrew University-Hadassah Medical Center, Jerusalem, Israel.
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225
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Lawlor DA, Relton C, Sattar N, Nelson SM. Maternal adiposity--a determinant of perinatal and offspring outcomes? Nat Rev Endocrinol 2012; 8:679-88. [PMID: 23007319 DOI: 10.1038/nrendo.2012.176] [Citation(s) in RCA: 131] [Impact Index Per Article: 10.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Experimental and animal data suggest that maternal obesity during pregnancy adversely affects offspring health in the short-term and the long-term. Whether these effects occur in humans and influence population health is less clear. This Review explores evidence from intervention studies and observational studies that have used designs (such as family-based comparisons and Mendelian randomization) that might help improve understanding of the causal effects of maternal obesity in humans. Collectively, human studies provide evidence that maternal overweight and obesity is causally related to pregnancy complications, increased offspring weight and adiposity at birth, and the difficulties associated with delivery of large-for-gestational-age infants. The underlying mechanisms for these effects probably involve maternal and fetal dysregulation of glucose, insulin, lipid and amino acid metabolism. Some evidence exists that extreme maternal obesity (BMI ≥40 kg/m(2)) is causally related to a long-term increase in offspring adiposity, but further exploration of this relationship is needed. High gestational weight gain may result in a long-term increase in offspring adiposity if women are already overweight or have obesity at the start of pregnancy. To date, little high-quality human evidence exists that any of these effects are mediated by epigenetic mechanisms, but approaches to appropriately test this possibility are being developed.
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Affiliation(s)
- Debbie A Lawlor
- MRC Centre for Causal Analyses in Translational Epidemiology, School of Social and Community Medicine, University of Bristol, Oakfield House, Oakfield Grove, Bristol BS8 2BN, UK.
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Poston L. Maternal obesity, gestational weight gain and diet as determinants of offspring long term health. Best Pract Res Clin Endocrinol Metab 2012; 26:627-39. [PMID: 22980045 DOI: 10.1016/j.beem.2012.03.010] [Citation(s) in RCA: 142] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
This review addresses the increasingly prolific literature from studies in man and animals suggesting that maternal obesity, a diet rich in calories or excess gestational weight gain may, through perturbation of the intrauterine environment, lead to lifelong risk of obesity and related disorders in the child. In addressing maternal- child obesity relationships it remains a challenge to distinguish the influence of the intrauterine environment from the contribution of shared genetic traits, and to adequately adjust for postnatal determinants of childhood obesity. Studies in genetically identical rodents convincingly show that maternal obesity, as well as elements of a hypercalorific diet can permanently influence offspring risk of obesity, and are these are supported by studies in larger mammals. Importantly, dissection of the mechanism in animals has led to description of novel interactive pathways between maternal environment and fetus which are amenable to investigation in humans.
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Affiliation(s)
- Lucilla Poston
- Division of Women's Health, Women's Health Academic Centre, King's College London, St. Thomas' Hospital, London, United Kingdom.
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Ilmonen J, Isolauri E, Laitinen K. Nutrition education and counselling practices in mother and child health clinics: study amongst nurses. J Clin Nurs 2012; 21:2985-94. [DOI: 10.1111/j.1365-2702.2012.04232.x] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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228
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Ferraro ZM, Gruslin A, Adamo KB. An active pregnancy for fetal well-being? The value of active living for most women and their babies. Br J Sports Med 2012; 47:813-4. [PMID: 22872682 DOI: 10.1136/bjsports-2012-091452] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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