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Gallardo Paffetti M, Cárcamo JG, Azócar-Aedo L, Parra A. Effect of a Diet-Induced Obesity on the Progeny Response in a Murine Model. Nutrients 2023; 15:4970. [PMID: 38068828 PMCID: PMC10708177 DOI: 10.3390/nu15234970] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Revised: 10/21/2023] [Accepted: 10/23/2023] [Indexed: 12/18/2023] Open
Abstract
Diet-induced obesity could have detrimental effects on adults and their progeny. The aim of this study was to determine the effect of a high-energy diet on both F1 mice body weight and tissue/organ weight and F2 offspring growth. A simple murine model for obesity was developed using a high-energy diet and mice reared in litters of five or ten, from 30 dams receiving a cafeteria diet of either commercial chow (low energy), or a mixture of commercial chow, chocolate (50% cacao), and salty peanuts (high energy). This diet continued from mating until weaning, when the pups were allocated according to sex into eight groups based on maternal diet, litter size, and post-weaning diet. On day 74, the males were slaughtered, and the females were bred then slaughtered after lactation. As a result, the high-energy maternal diet increased the F1 offspring growth during lactation, while the high-energy post-weaning diet increased the F1 adult body weight and tissue/organ weight. The high-energy maternal diet could negatively affect the onset of the F1 but not the maintenance of breastfeeding of F1 and F2 offspring. For F2 offspring growth, the high energy overlapped the low-energy post-weaning diet, due to problems of gaining weight during lactation.
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Affiliation(s)
- Maria Gallardo Paffetti
- Escuela de Medicina Veterinaria, Facultad de Ciencias, Universidad Mayor, Santiago 8580000, Chile
| | - Juan G. Cárcamo
- Instituto de Bioquímica y Microbiología, Facultad de Ciencias, Universidad Austral de Chile, Valdivia 5090000, Chile;
| | - Lucía Azócar-Aedo
- Escuela de Medicina Veterinaria, Facultad de Ciencias de la Naturaleza, Universidad San Sebastián, Puerto Montt 5480000, Chile;
| | - Angel Parra
- Facultad de Ciencias del Mar, Universidad Católica del Norte, Coquimbo 1780000, Chile;
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2
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Li F, Ma Z, Cai Y, Zhou J, Liu R. Optimizing diabetic kidney disease animal models: Insights from a meta-analytic approach. Animal Model Exp Med 2023; 6:433-451. [PMID: 37723622 PMCID: PMC10614131 DOI: 10.1002/ame2.12350] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2023] [Accepted: 08/12/2023] [Indexed: 09/20/2023] Open
Abstract
Diabetic kidney disease (DKD) is a prevalent complication of diabetes, often leading to end-stage renal disease. Animal models have been widely used to study the pathogenesis of DKD and evaluate potential therapies. However, current animal models often fail to fully capture the pathological characteristics of renal injury observed in clinical patients with DKD. Additionally, modeling DKD is often a time-consuming, costly, and labor-intensive process. The current review aims to summarize modeling strategies in the establishment of DKD animal models by utilizing meta-analysis related methods and to aid in the optimization of these models for future research. A total of 1215 articles were retrieved with the keywords of "diabetic kidney disease" and "animal experiment" in the past 10 years. Following screening, 84 articles were selected for inclusion in the meta-analysis. Review manager 5.4.1 was employed to analyze the changes in blood glucose, glycosylated hemoglobin, total cholesterol, triglyceride, serum creatinine, blood urea nitrogen, and urinary albumin excretion rate in each model. Renal lesions shown in different models that were not suitable to be included in the meta-analysis were also extensively discussed. The above analysis suggested that combining various stimuli or introducing additional renal injuries to current models would be a promising avenue to overcome existing challenges and limitations. In conclusion, our review article provides an in-depth analysis of the limitations in current DKD animal models and proposes strategies for improving the accuracy and reliability of these models that will inspire future research efforts in the DKD research field.
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Affiliation(s)
- Fanghong Li
- School of Chinese Materia MedicaBeijing University of Chinese MedicineBeijingChina
| | - Zhi Ma
- School of Life SciencesBeijing University of Chinese MedicineBeijingChina
| | - Yajie Cai
- School of Chinese Materia MedicaBeijing University of Chinese MedicineBeijingChina
| | - Jingwei Zhou
- Department of Nephrology, Dongzhimen HospitalThe First Affiliated Hospital of Beijing University of Chinese MedicineBeijingChina
| | - Runping Liu
- School of Chinese Materia MedicaBeijing University of Chinese MedicineBeijingChina
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Phengpol N, Thongnak L, Lungkaphin A. The programming of kidney injury in offspring affected by maternal overweight and obesity: role of lipid accumulation, inflammation, oxidative stress, and fibrosis in the kidneys of offspring. J Physiol Biochem 2023; 79:1-17. [PMID: 36264422 DOI: 10.1007/s13105-022-00927-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2021] [Accepted: 10/05/2022] [Indexed: 11/29/2022]
Abstract
Maternal overweight and obesity are considered important factors affecting fetal development with many potential consequences for offspring after delivery, including the increased risk of obesity and diabetes mellitus. Maternal obesity promotes adiposity in the offspring by increasing fat deposition and expansion in the body of the offspring. The expansion of adipose tissue changes adipokine levels, including a decrease in adiponectin and an increase in leptin. In addition to changes in adipokine levels, there are also increases in pro-inflammatory cytokines, pro-fibrotic cytokines, and reactive oxygen species, leading to oxidative stress in the offspring. These contribute to the promotion of insulin resistance in offspring, which is associated with kidney injury. Interestingly, maternal obesity can also promote renal lipid accumulation, which could activate inflammatory processes and promote renal oxidative stress and renal fibrosis. These alterations in the kidneys of the offspring imply that a mother being overweight/obese can program the development of kidney disease in offspring. This review will discuss the effects of a mother being overweight or obese on their offspring and the consequences with regard to the kidneys of their offspring. With a focus on the molecular mechanisms, including renal inflammation, renal oxidative stress, renal fibrosis, and renal lipid metabolism in offspring born to overweight and obese mothers, the causative mechanisms and perspective of these conditions will be included.
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Affiliation(s)
- Nichakorn Phengpol
- Department of Physiology, Faculty of Medicine, Chiang Mai University, Chiang Mai, 50200, Thailand
| | - Laongdao Thongnak
- Department of Physiology, Faculty of Medicine, Chiang Mai University, Chiang Mai, 50200, Thailand
| | - Anusorn Lungkaphin
- Department of Physiology, Faculty of Medicine, Chiang Mai University, Chiang Mai, 50200, Thailand. .,Functional Food Research Center for Well-Being, Chiang Mai University, Chiang Mai, Thailand. .,Functional Foods for Health and Disease, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand. .,Center for Research and Development of Natural Products for Health, Chiang Mai University, Chiang Mai, Thailand.
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4
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Zhang J, Zhang R, Chi J, Li Y, Bai W. Pre-pregnancy body mass index has greater influence on newborn weight and perinatal outcome than weight control during pregnancy in obese women. Arch Public Health 2023; 81:5. [PMID: 36639806 PMCID: PMC9838058 DOI: 10.1186/s13690-023-01025-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2022] [Accepted: 01/06/2023] [Indexed: 01/15/2023] Open
Abstract
BACKGROUND The pre-pregnancy weight and gestational weight gain (GWG) are closely related to perinatal maternal and infant complications, but the relationship between pre-pregnancy weight and GWG and the pattern of interaction have not been reported. This study investigated the influence of weight control during pregnancy on the perinatal maternal and infant outcomes. METHODS A total of 835 singleton pregnant women who were hospitalized between January 2018 and December 2018 were retrospectively included in this study and divided into two groups: the diet guidance (DG) group (n = 167) and the control group (n = 668). The pre-pregnancy body mass index (BMI), GWG, and perinatal outcomes of the women and infants were determined in two groups. RESULTS The dietary modification and reasonable exercise during pregnancy effectively reduced the GWG, and even some women with pre-pregnancy obesity achieved weight loss during pregnancy. The GWG in the DG group was significantly lower than in the control group, especially in the second and third trimesters. GWG was positively related to birth weight. The birth weight in the DG group was significantly lower than in the control group when their mothers had similar GWG. In women with pre-pregnancy obesity, GWG seemed to be negatively related to birth weight. However, after adjusting the mean BMI, the pre-pregnancy BMI and GWG were positively related to the birth weight. Compared with the control group, the incidences of dystocia, postpartum hemorrhage, macrosomia, small for gestational age infants and neonatal complications significantly reduced in the DG group, and the preterm birth rate was comparable between two groups. Some women with pre-pregnancy obesity lose weight during pregnancy, but there was no premature birth or small for gestational age infant. The incidences of macrosomia, postpartum hemorrhage, dystocia, cesarean section and gestational diabetes increased significantly with the increase of pre-pregnancy BMI. CONCLUSION For women with increased pre-pregnancy BMI, strict weight control is required to reduce obesity-related complications of the mother and infant. The weight control in the second and third trimesters is especially important and most likely to prevent GWG. Compared with GWG, pre-pregnancy BMI has greater influence on the birth weight and maternal and infant complications, and may even compromise the benefits of weight control during pregnancy. Thus, weight control is recommended before pregnancy.
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Affiliation(s)
- Jin Zhang
- grid.24696.3f0000 0004 0369 153XDepartment of Obstetrics and Gynaecology, Beijing Shijitan Hospital, Capital Medical University, Haidian, Beijing, 100038 China
| | - Rui Zhang
- grid.24696.3f0000 0004 0369 153XDepartment of Obstetrics and Gynaecology, Beijing Shijitan Hospital, Capital Medical University, Haidian, Beijing, 100038 China
| | - Jingjing Chi
- grid.24696.3f0000 0004 0369 153XDepartment of Obstetrics and Gynaecology, Beijing Shijitan Hospital, Capital Medical University, Haidian, Beijing, 100038 China
| | - Ya Li
- grid.24696.3f0000 0004 0369 153XDepartment of Obstetrics and Gynaecology, Beijing Shijitan Hospital, Capital Medical University, Haidian, Beijing, 100038 China
| | - Wenpei Bai
- grid.24696.3f0000 0004 0369 153XDepartment of Obstetrics and Gynaecology, Beijing Shijitan Hospital, Capital Medical University, Haidian, Beijing, 100038 China
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Programming by maternal obesity: a pathway to poor cardiometabolic health in the offspring. Proc Nutr Soc 2022; 81:227-242. [DOI: 10.1017/s0029665122001914] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
There is an ever increasing prevalence of maternal obesity worldwide such that in many populations over half of women enter pregnancy either overweight or obese. This review aims to summarise the impact of maternal obesity on offspring cardiometabolic outcomes. Maternal obesity is associated with increased risk of adverse maternal and pregnancy outcomes. However, beyond this exposure to maternal obesity during development also increases the risk of her offspring developing long-term adverse cardiometabolic outcomes throughout their adult life. Both human studies and those in experimental animal models have shown that maternal obesity can programme increased risk of offspring developing obesity and adipose tissue dysfunction; type 2 diabetes with peripheral insulin resistance and β-cell dysfunction; CVD with impaired cardiac structure and function and hypertension via impaired vascular and kidney function. As female offspring themselves are therefore likely to enter pregnancy with poor cardiometabolic health this can lead to an inter-generational cycle perpetuating the transmission of poor cardiometabolic health across generations. Maternal exercise interventions have the potential to mitigate some of the adverse effects of maternal obesity on offspring health, although further studies into long-term outcomes and how these translate to a clinical context are still required.
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Oxidative Stress Profile of Mothers and Their Offspring after Maternal Consumption of High-Fat Diet in Rodents: A Systematic Review and Meta-Analysis. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2021; 2021:9073859. [PMID: 34868458 PMCID: PMC8636978 DOI: 10.1155/2021/9073859] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/13/2021] [Revised: 09/27/2021] [Accepted: 10/26/2021] [Indexed: 01/03/2023]
Abstract
Maternal exposure to the high-fat diet (HFD) during gestation or lactation can be harmful to both a mother and offspring. The aim of this systematic review was to identify and evaluate the studies with animal models (rodents) that were exposed to the high-fat diet during pregnancy and/or lactation period to investigate oxidative stress and lipid and liver enzyme profile of mothers and their offspring. The electronic search was performed in the PUBMED (Public/Publisher MEDLINE), EMBASE (Ovid), and Web of Science databases. Data from 77 studies were included for qualitative analysis, and of these, 13 studies were included for meta-analysis by using a random effects model. The pooled analysis revealed higher malondialdehyde levels in offspring of high-fat diet groups. Furthermore, the pooled analysis showed increased reactive oxygen species and lower superoxide dismutase and catalase in offspring of mothers exposed to high-fat diet during pregnancy and/or lactation. Despite significant heterogeneity, the systematic review shows oxidative stress in offspring induced by maternal HFD.
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Hsu CN, Tain YL. The First Thousand Days: Kidney Health and Beyond. Healthcare (Basel) 2021; 9:1332. [PMID: 34683012 PMCID: PMC8544398 DOI: 10.3390/healthcare9101332] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2021] [Revised: 09/25/2021] [Accepted: 10/03/2021] [Indexed: 12/12/2022] Open
Abstract
The global burden of chronic kidney disease (CKD) is rising. A superior strategy to advance global kidney health is required to prevent and treat CKD early. Kidney development can be impacted during the first 1000 days of life by numerous factors, including malnutrition, maternal illness, exposure to chemicals, substance abuse, medication use, infection, and exogenous stress. In the current review, we summarize environmental risk factors reported thus far in clinical and experimental studies relating to the programming of kidney disease, and systematize the knowledge on common mechanisms underlying renal programming. The aim of this review is to discuss the primary and secondary prevention actions for enhancing kidney health from pregnancy to age 2. The final task is to address the potential interventions to target renal programming through updating animal studies. Together, we can enhance the future of global kidney health in the first 1000 days of life.
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Affiliation(s)
- Chien-Ning Hsu
- Department of Pharmacy, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 833, Taiwan;
- School of Pharmacy, Kaohsiung Medical University, Kaohsiung 807, Taiwan
| | - You-Lin Tain
- Department of Pediatrics, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung 833, Taiwan
- Institute for Translational Research in Biomedicine, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung 833, Taiwan
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Zhou P, Guan H, Guo Y, Zhu L, Liu X. Maternal High-Fat Diet Programs Renal Peroxisomes and Activates NLRP3 Inflammasome-Mediated Pyroptosis in the Rat Fetus. J Inflamm Res 2021; 14:5095-5110. [PMID: 34675590 PMCID: PMC8502058 DOI: 10.2147/jir.s329972] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2021] [Accepted: 09/21/2021] [Indexed: 12/22/2022] Open
Abstract
PURPOSE Maternal obesity impairs kidney development and function of the offspring and leads to a greater risk of kidney disease in adulthood. The present study aimed to investigate the link between peroxisomes, oxidative stress (OS), and inflammasomes in the fetal kidney of maternal obesity rats and to explore the potential therapeutic effects of the antioxidant pyrroloquinoline quinone (PQQ). METHODS Maternal obesity rats were developed by administration of a high fat diet plus supplementation with PQQ (40 mg/kg body weight) as a potential therapy. Renal histology was observed by Periodic Acid-Schiff staining. The expression profiles of peroxins, fatty acid β-oxidation enzymes, antioxidants, and the regulators of the unfolded protein response (UPR) pathway and NLRP3 inflammasome were analyzed in the kidneys and tubular epithelial cells (TECs) from near-term fetuses (embryonic day 20). RESULTS The present work revealed that: 1) a maternal high fat diet (MHF) led to higher blood pressure in adult offspring; 2) MHF led to downregulation of peroxisome markers PEX3 and 14 in fetal kidneys; 3) the antioxidant SOD2 and catalase were decreased, and oxidative stress marker Ephx2 was increased; 4) MHF-induced activation of the UPR pathway; 5) the KEAP1-NRF2 pathway was activated; 6) activation of the NLRP3 inflammasome led to secretion of pro-inflammation factors; 7) in TECs, the changes in PEXs and NLRP3 are similar to tissues, but UPR and NRF2 pathways showed opposite trends; 8) and the antioxidant PQQ alleviated maternal lipotoxicity by decreasing ROS levels and inhibiting activation of ER stress and inflammasome in fetal kidney. CONCLUSION A maternal high fat diet decreased the number of peroxisomes, subsequently activated OS and inflammasomes, resulting in pyroptosis and apoptosis in fetal kidney. The antioxidant PQQ served a protective role against the effects of lipotoxicity on kidney programming and, thus, is a potential candidate to prevent maternal obesity-induced renal programming.
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Affiliation(s)
- Pei Zhou
- Key Laboratory of Maternal-Fetal Medicine of Liaoning Province, Department of Obstetrics and Gynecology, Shengjing Hospital of China Medical University, Shenyang, 110004, People’s Republic of China
| | - Hongbo Guan
- Key Laboratory of Maternal-Fetal Medicine of Liaoning Province, Department of Obstetrics and Gynecology, Shengjing Hospital of China Medical University, Shenyang, 110004, People’s Republic of China
| | - Yanyan Guo
- Key Laboratory of Maternal-Fetal Medicine of Liaoning Province, Department of Obstetrics and Gynecology, Shengjing Hospital of China Medical University, Shenyang, 110004, People’s Republic of China
| | - Liangliang Zhu
- Key Laboratory of Maternal-Fetal Medicine of Liaoning Province, Department of Obstetrics and Gynecology, Shengjing Hospital of China Medical University, Shenyang, 110004, People’s Republic of China
| | - Xiaomei Liu
- Key Laboratory of Maternal-Fetal Medicine of Liaoning Province, Department of Obstetrics and Gynecology, Shengjing Hospital of China Medical University, Shenyang, 110004, People’s Republic of China
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Yim HE, Yoo KH. Obesity and chronic kidney disease: prevalence, mechanism, and management. Clin Exp Pediatr 2021; 64:511-518. [PMID: 33831296 PMCID: PMC8498012 DOI: 10.3345/cep.2021.00108] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/29/2021] [Accepted: 03/19/2021] [Indexed: 11/27/2022] Open
Abstract
The prevalence of childhood obesity is increasing worldwide at an alarming rate. While obesity is known to increase a variety of cardiovascular and metabolic diseases, it also acts as a risk factor for the development and progression of chronic kidney disease (CKD). During childhood and adolescence, severe obesity is associated with an increased prevalence and incidence of the early stages of kidney disease. Importantly, children born to obese mothers are also at increased risk of developing obesity and CKD later in life. The potential mechanisms underlying the association between obesity and CKD include hemodynamic factors, metabolic effects, and lipid nephrotoxicity. Weight reduction via increased physical activity, caloric restriction, treatment with angiotensin-converting enzyme inhibitors, and judicious bariatric surgery can be used to control obesity and obesity-related kidney disease. Preventive strategies to halt the obesity epidemic in the healthcare community are needed to reduce the widespread deleterious consequences of obesity including CKD development and progression.
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Affiliation(s)
- Hyung Eun Yim
- Department of Pediatrics, Korea University Ansan Hospital, Korea University College of Medicine, Ansan, Korea
| | - Kee Hwan Yoo
- Department of Pediatrics, Korea University Guro Hospital, Korea University College of Medicine, Seoul, Korea
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Larkin BP, Nguyen LT, Hou M, Glastras SJ, Chen H, Wang R, Pollock CA, Saad S. Novel Role of Gestational Hydralazine in Limiting Maternal and Dietary Obesity-Related Chronic Kidney Disease. Front Cell Dev Biol 2021; 9:705263. [PMID: 34485290 PMCID: PMC8416283 DOI: 10.3389/fcell.2021.705263] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2021] [Accepted: 07/30/2021] [Indexed: 01/16/2023] Open
Abstract
BACKGROUND Maternal obesity is a risk factor for chronic kidney disease (CKD) in offspring, underpinning the theory of the developmental origins of health and disease. DNA methylation has been implicated in the programming of adult chronic disease by maternal obesity, therefore, DNA demethylating agents may mitigate offspring risk of disease. In rodent models, low-dose hydralazine has previously been shown to reduce renal fibrosis via DNA demethylation. We used mouse models of maternal obesity and offspring obesity to determine whether administration of low-dose hydralazine during gestation can prevent fetal programming of CKD in offspring. METHODS Female C57BL/6 mice received high fat diet (HFD) or chow prior to mating, during gestation and lactation. During gestation, dams received subcutaneous hydralazine (5 mg/kg) or saline thrice-weekly. Male offspring weaned to HFD or chow, which continued until endpoint at 32 weeks. Biometric and metabolic parameters, renal global DNA methylation, renal functional and structural changes, and renal markers of fibrosis, inflammation and oxidative stress were assessed at endpoint. RESULTS Offspring exposed to maternal obesity or diet-induced obesity had significantly increased renal global DNA methylation, together with other adverse renal effects including albuminuria, glomerulosclerosis, renal fibrosis, and oxidative stress. Offspring exposed to gestational hydralazine had significantly reduced renal global DNA methylation. In obese offspring of obese mothers, gestational hydralazine significantly decreased albuminuria, glomerulosclerosis, and serum creatinine. Obese offspring of hydralazine-treated lean mothers displayed reduced markers of renal fibrosis and oxidative stress. CONCLUSION Gestational hydralazine decreased renal global DNA methylation and exerted renoprotective effects in offspring. This supports a potential therapeutic effect of hydralazine in preventing maternal obesity or dietary obesity-related CKD, through an epigenetic mechanism.
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Affiliation(s)
- Benjamin P. Larkin
- Renal Research Laboratory, Royal North Shore Hospital, Kolling Institute of Medical Research, University of Sydney, Sydney, NSW, Australia
| | - Long T. Nguyen
- Renal Research Laboratory, Royal North Shore Hospital, Kolling Institute of Medical Research, University of Sydney, Sydney, NSW, Australia
| | - Miao Hou
- Department of Cardiology, Children’s Hospital of Soochow University, Suzhou, China
| | - Sarah J. Glastras
- Renal Research Laboratory, Royal North Shore Hospital, Kolling Institute of Medical Research, University of Sydney, Sydney, NSW, Australia
- Department of Diabetes, Endocrinology and Metabolism, Royal North Shore Hospital, Sydney, NSW, Australia
| | - Hui Chen
- Faculty of Science, School of Life Sciences, University of Technology Sydney, Sydney, NSW, Australia
| | - Rosy Wang
- Renal Research Laboratory, Royal North Shore Hospital, Kolling Institute of Medical Research, University of Sydney, Sydney, NSW, Australia
| | - Carol A. Pollock
- Renal Research Laboratory, Royal North Shore Hospital, Kolling Institute of Medical Research, University of Sydney, Sydney, NSW, Australia
| | - Sonia Saad
- Renal Research Laboratory, Royal North Shore Hospital, Kolling Institute of Medical Research, University of Sydney, Sydney, NSW, Australia
- Faculty of Science, School of Life Sciences, University of Technology Sydney, Sydney, NSW, Australia
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Larkin BP, Saad S, Glastras SJ, Nguyen LT, Hou M, Chen H, Wang R, Pollock CA. Low-dose hydralazine during gestation reduces renal fibrosis in rodent offspring exposed to maternal high fat diet. PLoS One 2021; 16:e0248854. [PMID: 33735324 PMCID: PMC7971884 DOI: 10.1371/journal.pone.0248854] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2020] [Accepted: 03/08/2021] [Indexed: 11/18/2022] Open
Abstract
BACKGROUND Maternal high fat diet (HFD) promotes chronic kidney disease (CKD) in offspring. This is in accordance with the theory of fetal programming, which suggests adverse conditions occurring in utero predispose offspring to chronic conditions later in life. DNA methylation has been proposed as a key mechanism by which fetal programming occurs and is implicated in CKD progression. DNA demethylating drugs may interrupt the fetal programming of CKD by maternal obesity. Hydralazine, an antihypertensive agent, demethylates DNA at low doses which do not reduce blood pressure. We used a mouse model of maternal obesity to determine whether gestational administration of low-dose hydralazine to mothers can prevent CKD in offspring. METHODS C57BL/6 dams received HFD or chow from 6 weeks prior to mating and were administered subcutaneous hydralazine (5mg/kg) or saline thrice weekly during gestation. Male offspring were weaned to chow and were sacrificed at either postnatal week 9 or week 32. Biometric and metabolic parameters, renal global DNA methylation, renal structural and functional changes and markers of fibrosis, oxidative stress and inflammation were measured in offspring at weeks 9 and 32. RESULTS In week 9 offspring, maternal HFD consumption did not significantly alter anthropometric or metabolic parameters, or renal global DNA methylation. Week 32 offspring had increased renal global DNA methylation, together with albuminuria, glomerulosclerosis, renal fibrosis and oxidative stress. Administration of low-dose hydralazine to obese mothers during gestation reduced renal global DNA methylation and renal fibrotic markers in week 32 offspring. CONCLUSION Gestational hydralazine reduced renal global DNA methylation in offspring of obese mothers and attenuated maternal obesity-induced renal fibrosis. These data support the use of low-dose hydralazine as a demethylating agent to prevent CKD arising in offspring due to maternal HFD consumption.
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Affiliation(s)
- Benjamin P. Larkin
- Renal Research Laboratory, Kolling Institute of Medical Research, University of Sydney, Sydney, Australia
| | - Sonia Saad
- Renal Research Laboratory, Kolling Institute of Medical Research, University of Sydney, Sydney, Australia
- School of Life Sciences, Faculty of Science, University of Technology Sydney, Sydney, Australia
| | - Sarah J. Glastras
- Renal Research Laboratory, Kolling Institute of Medical Research, University of Sydney, Sydney, Australia
- Department of Diabetes, Endocrinology and Metabolism, Royal North Shore Hospital, Sydney, Australia
| | - Long T. Nguyen
- Renal Research Laboratory, Kolling Institute of Medical Research, University of Sydney, Sydney, Australia
| | - Miao Hou
- Department of Cardiology, Children’s Hospital of Soochow University, Suzhou, Jiangsu, China
| | - Hui Chen
- School of Life Sciences, Faculty of Science, University of Technology Sydney, Sydney, Australia
| | - Rosy Wang
- Renal Research Laboratory, Kolling Institute of Medical Research, University of Sydney, Sydney, Australia
| | - Carol A. Pollock
- Renal Research Laboratory, Kolling Institute of Medical Research, University of Sydney, Sydney, Australia
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Glastras SJ, Valvi D, Bansal A. Editorial: Developmental Programming of Metabolic Diseases. Front Endocrinol (Lausanne) 2021; 12:781361. [PMID: 34745018 PMCID: PMC8566724 DOI: 10.3389/fendo.2021.781361] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/22/2021] [Accepted: 10/05/2021] [Indexed: 12/01/2022] Open
Affiliation(s)
- Sarah J. Glastras
- Department of Diabetes, Metabolism and Endocrinology, and Kolling Institute, Royal North Shore Hospital, Sydney, NSW, Australia
- Sydney Medical School, University of Sydney, NSW, Australia
| | - Damaskini Valvi
- Department of Environmental Medicine and Public Health, Icahn School of Medicine at Mount Sinai, New York, NY, United States
- *Correspondence: Damaskini Valvi, ; Amita Bansal,
| | - Amita Bansal
- Australian National University (ANU) Medical School, and John Curtin School of Medical Research, College of Health and Medicine, Australian National University, Canberra, ACT, Australia
- *Correspondence: Damaskini Valvi, ; Amita Bansal,
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Nguyen LT, Saad S, Chen H, Pollock CA. Parental SIRT1 Overexpression Attenuate Metabolic Disorders Due to Maternal High-Fat Feeding. Int J Mol Sci 2020; 21:ijms21197342. [PMID: 33027895 PMCID: PMC7582993 DOI: 10.3390/ijms21197342] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2020] [Revised: 09/28/2020] [Accepted: 10/02/2020] [Indexed: 11/16/2022] Open
Abstract
Maternal obesity can contribute to the development of obesity and related metabolic disorders in progeny. Sirtuin (SIRT)1, an essential regulator of metabolism and stress responses, has recently emerged as an important modifying factor of developmental programming. In this study, to elucidate the effects of parental SIRT1 overexpression on offspring mechanism, four experimental groups were included: (1) Chow-fed wild-type (WT)-dam × Chow-fed WT-sire; (2) High-fat diet (HFD)-fed WT-dam × Chow-fed WT-sire; (3) HFD-fed hemizygous SIRT1-transgenic (Tg)-dam × Chow-fed WT-sire; and (4) HFD-fed WT dam × Chow-fed Tg-sire. Our results indicate that Tg breeders had lower body weight and fat mass compared to WT counterparts and gave birth to WT offspring with reductions in body weight, adiposity and hyperlipidaemia compared to those born of WT parents. Maternal SIRT1 overexpression also reversed glucose intolerance, and normalised abnormal fat morphology and the expression of dysregulated lipid metabolism markers, including SIRT1. Despite having persistent hepatic steatosis, offspring born to Tg parents showed an improved balance of hepatic glucose/lipid metabolic markers, as well as reduced levels of inflammatory markers and TGF-β/Smad3 fibrotic signalling. Collectively, the data suggest that parental SIRT1 overexpression can ameliorate adverse metabolic programming effects by maternal obesity.
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Affiliation(s)
- Long T. Nguyen
- Renal medicine, Kolling Institute, Royal North Shore Hospital, University of Sydney, Sydney, NSW 2065, Australia;
- Correspondence:
| | - Sonia Saad
- School of Life Sciences, Faculty of Science, University of Technology Sydney, Sydney, NSW 2007, Australia; (S.S.); (H.C.)
| | - Hui Chen
- School of Life Sciences, Faculty of Science, University of Technology Sydney, Sydney, NSW 2007, Australia; (S.S.); (H.C.)
| | - Carol A. Pollock
- Renal medicine, Kolling Institute, Royal North Shore Hospital, University of Sydney, Sydney, NSW 2065, Australia;
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14
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Maternal Obesity Programs Offspring Development and Resveratrol Potentially Reprograms the Effects of Maternal Obesity. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2020; 17:ijerph17051610. [PMID: 32131513 PMCID: PMC7084214 DOI: 10.3390/ijerph17051610] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/13/2020] [Revised: 02/26/2020] [Accepted: 02/27/2020] [Indexed: 12/15/2022]
Abstract
Maternal obesity during pregnancy is a now a public health burden that may be the culprit underlying the ever-increasing rates of adult obesity worldwide. Understanding the association between maternal obesity and adult offspring’s obesity would inform policy and practice regarding offspring health through available resources and interventions. This review first summarizes the programming effects of maternal obesity and discusses the possible underlying mechanisms. We then summarize the current evidence suggesting that maternal consumption of resveratrol is helpful in maternal obesity and alleviates its consequences. In conclusion, maternal obesity can program offspring development in an adverse way. Maternal resveratrol could be considered as a potential regimen in reprogramming adverse outcomes in the context of maternal obesity.
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15
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Lee YQ, Lumbers ER, Oldmeadow C, Collins CE, Johnson V, Keogh L, Sutherland K, Gordon A, Smith R, Rae KM, Pringle KG. The relationship between maternal adiposity during pregnancy and fetal kidney development and kidney function in infants: the Gomeroi gaaynggal study. Physiol Rep 2019; 7:e14227. [PMID: 31515958 PMCID: PMC6742895 DOI: 10.14814/phy2.14227] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2019] [Revised: 07/22/2019] [Accepted: 08/06/2019] [Indexed: 12/15/2022] Open
Abstract
Maternal obesity during pregnancy has a detrimental impact on offspring renal development and function. This is pertinent to Indigenous Australians as they are twice as likely as non-Indigenous Australians to develop chronic kidney disease (CKD). The aim of this study was to examine whether there was an association between maternal adiposity and fetal kidney growth in late gestation (>28 weeks) and kidney function in infants, <2.5 years of age, from the Gomeroi gaaynggal cohort. Pre-pregnancy body mass index (BMI) was recorded at the first prenatal visit and maternal adiposity indicators (percent body fat and visceral fat area) measured at >28 weeks gestation by bioelectrical impedance analysis. Fetal kidney structure was assessed by ultrasound. Renal function indicators (urinary albumin:creatinine and protein:creatinine) were measured in infants from a spot urine collection from nappies. Multiple linear regression and multi-level mixed effects linear regression models with clustering were used to account for repeated measures of urine. 147 mother-child pairs were examined. Estimated fetal weight (EFW), but not fetal kidney size, was positively associated with maternal adiposity and pre-pregnancy BMI. When adjusted for smoking, combined kidney volume relative to EFW was negatively associated with maternal percentage body fat. Infant kidney function was not influenced by maternal adiposity and pre-pregnancy BMI (n = 84 observations). Current findings show that Indigenous babies born to obese mothers have reduced kidney size relative to EFW. We suggest that these babies are experiencing a degree of glomerular hyperfiltration in utero, and therefore are at risk of developing CKD in later life, especially if their propensity for obesity is maintained. Although no impact on renal function was observed at <2.5 years of age, long-term follow-up of offspring is required to evaluate potential later life impacts.
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Affiliation(s)
- Yu Qi Lee
- Priority Research Centre in Reproductive SciencesUniversity of NewcastleCallaghanNew South WalesAustralia
- School of Biomedical Sciences and PharmacyFaculty of Health and MedicineUniversity of NewcastleCallaghanNew South WalesAustralia
| | - Eugenie R. Lumbers
- Priority Research Centre in Reproductive SciencesUniversity of NewcastleCallaghanNew South WalesAustralia
- School of Biomedical Sciences and PharmacyFaculty of Health and MedicineUniversity of NewcastleCallaghanNew South WalesAustralia
| | - Christopher Oldmeadow
- Clinical Research Design and Statistical ServicesHunter Medical Research InstituteUniversity of NewcastleCallaghanNew South WalesAustralia
| | - Clare E. Collins
- Priority Research Centre in Physical Activity and NutritionUniversity of NewcastleCallaghanNew South WalesAustralia
- School of Health SciencesFaculty of Health and MedicineUniversity of NewcastleCallaghanNew South WalesAustralia
| | - Vanessa Johnson
- Gomeroi gaaynggal CentreFaculty of Health and MedicineUniversity of NewcastleTamworthNew South WalesAustralia
| | - Lyniece Keogh
- Gomeroi gaaynggal CentreFaculty of Health and MedicineUniversity of NewcastleTamworthNew South WalesAustralia
| | - Kathryn Sutherland
- Gomeroi gaaynggal CentreFaculty of Health and MedicineUniversity of NewcastleTamworthNew South WalesAustralia
| | | | - Roger Smith
- Priority Research Centre in Reproductive SciencesUniversity of NewcastleCallaghanNew South WalesAustralia
- School of Medicine and Public HealthFaculty of Health and MedicineUniversity of NewcastleCallaghanNew South WalesAustralia
| | - Kym M. Rae
- Priority Research Centre in Reproductive SciencesUniversity of NewcastleCallaghanNew South WalesAustralia
- Gomeroi gaaynggal CentreFaculty of Health and MedicineUniversity of NewcastleTamworthNew South WalesAustralia
- School of Medicine and Public HealthFaculty of Health and MedicineUniversity of NewcastleCallaghanNew South WalesAustralia
- Department of Rural HealthUniversity of NewcastleTamworthNew South WalesAustralia
- Priority Research Centre for Generational Health and AgeingUniversity of NewcastleCallaghanNew South WalesAustralia
| | - Kirsty G. Pringle
- Priority Research Centre in Reproductive SciencesUniversity of NewcastleCallaghanNew South WalesAustralia
- School of Biomedical Sciences and PharmacyFaculty of Health and MedicineUniversity of NewcastleCallaghanNew South WalesAustralia
- Gomeroi gaaynggal CentreFaculty of Health and MedicineUniversity of NewcastleTamworthNew South WalesAustralia
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16
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McIlvride S, Nikolova V, Fan HM, McDonald JAK, Wahlström A, Bellafante E, Jansen E, Adorini L, Shapiro D, Jones P, Marchesi JR, Marschall HU, Williamson C. Obeticholic acid ameliorates dyslipidemia but not glucose tolerance in mouse model of gestational diabetes. Am J Physiol Endocrinol Metab 2019; 317:E399-E410. [PMID: 31237448 PMCID: PMC6732461 DOI: 10.1152/ajpendo.00407.2018] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/24/2018] [Revised: 05/21/2019] [Accepted: 06/18/2019] [Indexed: 12/14/2022]
Abstract
Metabolism alters markedly with advancing gestation, characterized by progressive insulin resistance, dyslipidemia, and raised serum bile acids. The nuclear receptor farnesoid X receptor (FXR) has an integral role in bile acid homeostasis and modulates glucose and lipid metabolism. FXR is known to be functionally suppressed in pregnancy. The FXR agonist, obeticholic acid (OCA), improves insulin sensitivity in patients with type 2 diabetes with nonalcoholic fatty liver disease. We therefore hypothesized that OCA treatment during pregnancy could improve disease severity in a mouse model of gestational diabetes mellitus (GDM). C57BL/6J mice were fed a high-fat diet (HFD; 60% kcal from fat) for 4 wk before and throughout pregnancy to induce GDM. The impact of the diet supplemented with 0.03% OCA throughout pregnancy was studied. Pregnant HFD-fed mice displayed insulin resistance and dyslipidemia. OCA significantly reduced plasma cholesterol concentrations in nonpregnant and pregnant HFD-fed mice (by 22.4%, P < 0.05 and 36.4%, P < 0.001, respectively) and reduced the impact of pregnancy on insulin resistance but did not change glucose tolerance. In nonpregnant HFD-fed mice, OCA ameliorated weight gain, reduced mRNA expression of inflammatory markers in white adipose tissue, and reduced plasma glucagon-like peptide 1 concentrations (by 62.7%, P < 0.01). However, these effects were not evident in pregnant mice. OCA administration can normalize plasma cholesterol levels in a mouse model of GDM. However, the absence of several of the effects of OCA in pregnant mice indicates that the agonistic action of OCA is not sufficient to overcome many metabolic consequences of the pregnancy-associated reduction in FXR activity.
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Affiliation(s)
- Saraid McIlvride
- School of Life Course Sciences, King's College London, London, United Kingdom
| | - Vanya Nikolova
- School of Life Course Sciences, King's College London, London, United Kingdom
| | - Hei Man Fan
- School of Life Course Sciences, King's College London, London, United Kingdom
| | - Julie A K McDonald
- Department of Surgery and Cancer, Imperial College London, London, United Kingdom
| | - Annika Wahlström
- Department of Molecular and Clinical Medicine, University of Gothenburg, Gothenburg, Sweden
| | - Elena Bellafante
- School of Life Course Sciences, King's College London, London, United Kingdom
| | - Eugene Jansen
- National Institute for Public Health and the Environment (RIVM), Bilthoven, The Netherlands
| | | | | | - Peter Jones
- School of Life Course Sciences, King's College London, London, United Kingdom
| | - Julian R Marchesi
- Department of Surgery and Cancer, Imperial College London, London, United Kingdom
- School of Biosciences, Cardiff University, Cardiff, United Kingdom
| | - Hanns-Ulrich Marschall
- Department of Molecular and Clinical Medicine, University of Gothenburg, Gothenburg, Sweden
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17
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SIRT1 Attenuates Kidney Disorders in Male Offspring Due to Maternal High-Fat Diet. Nutrients 2019; 11:nu11010146. [PMID: 30641941 PMCID: PMC6356703 DOI: 10.3390/nu11010146] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2018] [Revised: 12/31/2018] [Accepted: 01/08/2019] [Indexed: 12/29/2022] Open
Abstract
Maternal obesity has been associated with kidney disorders in male offspring. Our previous studies have demonstrated that Sirtuin (SIRT)1, an essential regulator of metabolic stress responses, is suppressed in the offspring as the result of maternal high-fat diet (HFD) consumption, which is likely to underpin the adverse metabolic and renal outcomes. To examine if SIRT1 overexpression or activation early in life can protect the offspring kidney, wild-type (WT) and transgenic (Tg) offspring were born to the same diet-induced obese female C57BL/6 mice through breeding with hemizygous SIRT1-transgenic (Tg) male mice and examined for renal pathological changes. In separate experiments, SIRT1 activator SRT1720 (25 mg/kg/2 days i.p) was administrated in WT offspring over 6 weeks of postnatal high-fat diet exposure. The results show that offspring born to obese dams have increased kidney weight, higher levels of renal triglycerides, and increased expression of oxidative stress, inflammatory, and fibrotic markers, as well as increased albuminuria compared to offspring of control dams. Both SIRT1 overexpression and SRT1720 treatment attenuated renal lipid contents and expression of lipogenesis, oxidative stress, and inflammatory markers; however, fibrosis was modestly reduced and albuminuria was not affected. The findings suggest that SIRT1 therapy can ameliorate some pathological mechanisms of kidney programming due to maternal obesity but may not be sufficient to prevent the resulting chronic kidney injury.
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18
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Wong MG, The NL, Glastras S. Maternal obesity and offspring risk of chronic kidney disease. Nephrology (Carlton) 2019; 23 Suppl 4:84-87. [PMID: 30298647 DOI: 10.1111/nep.13462] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/03/2018] [Indexed: 12/22/2022]
Abstract
It is increasingly recognized that maternal obesity is implicated in developmental programming, contributing to the future risk of chronic disease development in offspring. The exact mechanisms of the role of maternal obesity in the development of chronic kidney disease in offspring remain unclear and animal models used are not without limitation. Human studies are limited by the effects of postnatal environmental conditions, which may have a direct impact on disease phenotype; and animal models are limited by use of species that differ significantly. This review will examine the most recent evidence from animal models on the impact of maternal factors during pregnancy/lactation on the future risk of chronic kidney disease development in offspring, emphasising the role of maternal obesity in exacerbating the deleterious effects of diet-induced obesity and/or diabetes on renal health.
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Affiliation(s)
- Muh Geot Wong
- Department of Renal Medicine, Kolling Institute, Royal North Shore Hospital, St Leonards, NSW, Australia.,Division of Renal and Metabolic, George Institute for Global Health, Sydney, New South Wales, Australia
| | - Nguyen Long The
- Department of Renal Medicine, Kolling Institute, Royal North Shore Hospital, St Leonards, NSW, Australia.,School of Life Sciences, Faculty of Science, University of Technology Sydney, NSW, Australia
| | - Sarah Glastras
- Department of Renal Medicine, Kolling Institute, Royal North Shore Hospital, St Leonards, NSW, Australia.,Department of Endocrinology and Metabolism, Royal North Shore Hospital, St Leonards, New South Wales, Australia
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19
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Nguyen LT, Chen H, Zaky A, Pollock C, Saad S. SIRT1 overexpression attenuates offspring metabolic and liver disorders as a result of maternal high-fat feeding. J Physiol 2018; 597:467-480. [PMID: 30381838 DOI: 10.1113/jp276957] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2018] [Accepted: 09/28/2018] [Indexed: 12/22/2022] Open
Abstract
KEY POINTS Maternal high-fat diet (MHF) consumption led to metabolic and liver disorders in male offspring, which are associated with reduced sirtuin (SIRT)1 expression and activity in the offspring liver SIRT1 overexpression in MHF offspring reduced their body weight and adiposity and normalized lipid metabolic markers in epididymal and retroperitoneal adipose tissues SIRT1 overexpression in MHF offspring improved glucose tolerance, as well as systemic and hepatic insulin sensitivity SIRT1 overexpression ameliorated MHF-induced lipogenesis, oxidative stress and fibrogenesis in the liver of offspring. ABSTRACT Maternal obesity can increase the risk of metabolic disorders in the offspring. However, the underlying mechanism responsible for this is not clearly understood. Previous evidence implied that sirtuin (SIRT)1, a potent regulator of energy metabolism and stress responses, may play an important role. In the present study, we have shown, in C57BL/6 mice, that maternal high-fat diet (HFD) consumption can induce a pre-diabetic and non-alcoholic fatty liver disease phenotype in the offspring, associated with reduced SIRT1 expression in the hypothalamus, white adipose tissues (WAT) and liver. Importantly, the overexpression of SIRT1 in these offspring significantly attenuated the excessive accumulation of epididymal (Epi) white adipose tissue (WAT) and retroperitoneal (Rp)WAT (P < 0.001), glucose intolerance and insulin resistance (both P < 0.05) at weaning age. These changes were associated with the suppression of peroxisome proliferator-activated receptor gamma (PPAR)γ (P < 0.01), PPARγ-coactivator 1-alpha (P < 0.05) and sterol regulatory element-binding protein-1c in EpiWAT (P < 0.01), whereas there was increased expression of PPARγ in RpWAT (P < 0.05). In the liver, PPARγ mRNA expression, as well as Akt protein expression and activity, were increased (P < 0.05), whereas fatty acid synthase and carbohydrate response element binding protein were downregulated (P < 0.05), supporting increased insulin sensitivity and reduced lipogenesis in the liver. In addition, hepatic expression of endogenous anti-oxidants, including glutathione peroxidase 1 and catalase, was increased (P < 0.01 and P < 0.05 respectively), whereas collagen and fibronectin deposition was suppressed (P < 0.01). Collectively, the present study provides direct evidence of the mechanistic significance of SIRT1 in maternal HFD-induced metabolic dysfunction in offspring and suggests that SIRT1 is a promising target for fetal reprogramming.
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Affiliation(s)
- Long T Nguyen
- Renal medicine, Kolling Institute, Royal North Shore Hospital, University of Sydney, Sydney, NSW, Australia.,School of Life Sciences, Faculty of Science, University of Technology Sydney, Sydney, NSW, Australia
| | - Hui Chen
- School of Life Sciences, Faculty of Science, University of Technology Sydney, Sydney, NSW, Australia
| | - Amgad Zaky
- Renal medicine, Kolling Institute, Royal North Shore Hospital, University of Sydney, Sydney, NSW, Australia
| | - Carol Pollock
- Renal medicine, Kolling Institute, Royal North Shore Hospital, University of Sydney, Sydney, NSW, Australia
| | - Sonia Saad
- Renal medicine, Kolling Institute, Royal North Shore Hospital, University of Sydney, Sydney, NSW, Australia
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20
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Glastras SJ, Chen H, Pollock CA, Saad S. Maternal obesity increases the risk of metabolic disease and impacts renal health in offspring. Biosci Rep 2018; 38:BSR20180050. [PMID: 29483369 PMCID: PMC5874265 DOI: 10.1042/bsr20180050] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2017] [Revised: 02/17/2018] [Accepted: 02/26/2018] [Indexed: 12/16/2022] Open
Abstract
Obesity, together with insulin resistance, promotes multiple metabolic abnormalities and is strongly associated with an increased risk of chronic disease including type 2 diabetes (T2D), hypertension, cardiovascular disease, non-alcoholic fatty liver disease (NAFLD) and chronic kidney disease (CKD). The incidence of obesity continues to rise in astronomical proportions throughout the world and affects all the different stages of the lifespan. Importantly, the proportion of women of reproductive age who are overweight or obese is increasing at an alarming rate and has potential ramifications for offspring health and disease risk. Evidence suggests a strong link between the intrauterine environment and disease programming. The current review will describe the importance of the intrauterine environment in the development of metabolic disease, including kidney disease. It will detail the known mechanisms of fetal programming, including the role of epigenetic modulation. The evidence for the role of maternal obesity in the developmental programming of CKD is derived mostly from our rodent models which will be described. The clinical implication of such findings will also be discussed.
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Affiliation(s)
- Sarah J Glastras
- Department of Medicine, Kolling Institute, University of Sydney, Sydney, Australia
- Department of Diabetes, Endocrinology and Metabolism, Royal North Shore Hospital, St Leonards, NSW 2065, Australia
| | - Hui Chen
- School of Life Sciences, Faculty of Science, University of Technology Sydney, Australia
| | - Carol A Pollock
- Department of Medicine, Kolling Institute, University of Sydney, Sydney, Australia
| | - Sonia Saad
- Department of Medicine, Kolling Institute, University of Sydney, Sydney, Australia
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21
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Larkin BP, Glastras SJ, Chen H, Pollock CA, Saad S. DNA methylation and the potential role of demethylating agents in prevention of progressive chronic kidney disease. FASEB J 2018; 32:5215-5226. [PMID: 29688808 DOI: 10.1096/fj.201800205r] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Chronic kidney disease (CKD) is a global epidemic, and its major risk factors include obesity and type 2 diabetes. Obesity not only promotes metabolic dysregulation and the development of diabetic kidney disease but also may independently lead to CKD by a variety of mechanisms, including endocrine and metabolic dysfunction, inflammation, oxidative stress, altered renal hemodynamics, and lipotoxicity. Deleterious renal effects of obesity can also be transmitted from one generation to the next, and it is increasingly recognized that offspring of obese mothers are predisposed to CKD. Epigenetic modifications are changes that regulate gene expression without altering the DNA sequence. Of these, DNA methylation is the most studied. Epigenetic imprints, particularly DNA methylation, are laid down during critical periods of fetal development, and they may provide a mechanism by which maternal-fetal transmission of chronic disease occurs. Our current review explores the evidence for the role of DNA methylation in the development of CKD, diabetic kidney disease, diabetes, and obesity. DNA methylation has been implicated in renal fibrosis-the final pathophysiologic pathway in the development of end-stage kidney disease-which supports the notion that demethylating agents may play a potential therapeutic role in preventing development and progression of CKD.-Larkin, B. P., Glastras, S. J., Chen, H., Pollock, C. A., Saad, S. DNA methylation and the potential role of demethylating agents in prevention of progressive chronic kidney disease.
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Affiliation(s)
- Benjamin P Larkin
- Renal Research Laboratory, Kolling Institute of Medical Research, University of Sydney, Sydney, New South Wales, Australia
| | - Sarah J Glastras
- Renal Research Laboratory, Kolling Institute of Medical Research, University of Sydney, Sydney, New South Wales, Australia.,Department of Diabetes, Endocrinology, and Metabolism, Royal North Shore Hospital, Sydney, New South Wales, Australia; and
| | - Hui Chen
- School of Life Sciences, Faculty of Science, University of Technology Sydney, Sydney, New South Wales, Australia
| | - Carol A Pollock
- Renal Research Laboratory, Kolling Institute of Medical Research, University of Sydney, Sydney, New South Wales, Australia
| | - Sonia Saad
- Renal Research Laboratory, Kolling Institute of Medical Research, University of Sydney, Sydney, New South Wales, Australia.,School of Life Sciences, Faculty of Science, University of Technology Sydney, Sydney, New South Wales, Australia
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22
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Nguyen LT, Chen H, Pollock C, Saad S. SIRT1 reduction is associated with sex-specific dysregulation of renal lipid metabolism and stress responses in offspring by maternal high-fat diet. Sci Rep 2017; 7:8982. [PMID: 28827681 PMCID: PMC5567163 DOI: 10.1038/s41598-017-08694-4] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2017] [Accepted: 07/12/2017] [Indexed: 12/15/2022] Open
Abstract
Rodent models of maternal obesity have been associated with kidney damage and dysfunction in offspring. However, the underlying mechanisms are yet to be elucidated. In this study, female rats were fed a high-fat diet (HFD) for 6 weeks prior to mating, throughout gestation and lactation; both male and female offspring were examined at weaning. Our results demonstrate that renal lipid deposition was increased in male offspring only, which is associated with reduced protein expression of Sirtuin (SIRT) 1, an essential regulator of lipid metabolism and stress response. Other components in its signalling network including phosphorylated 5′-AMP-activated protein kinase (pAMPKα), Forkhead box FOXO3a and Peroxisome proliferator-activated receptor (PPAR)γ coactivator 1-alpha (PGC-1α) were also downregulated. By contrast, in female offspring, renal fat/lipid distribution was unchanged in coupling with normal SIRT1 regulation. Specific autophagy and antioxidant markers were suppressed in both sexes. On the other hand, fibronectin and Collagen type IV protein expression was significantly higher in the offspring born HFD-fed dams, particularly in the males. Collectively, these findings suggest that maternal HFD consumption can induce sex-specific changes in offspring kidney lipid metabolism and stress responses at early ages, which may underpin the risk of kidney diseases later in life.
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Affiliation(s)
- Long The Nguyen
- Renal medicine, Kolling Institute, Royal North Shore Hospital, University of Sydney, Sydney, New South Wales, Australia. .,School of Life Sciences, Faculty of Science, University of Technology Sydney, Sydney, New South Wales, Australia.
| | - Hui Chen
- School of Life Sciences, Faculty of Science, University of Technology Sydney, Sydney, New South Wales, Australia
| | - Carol Pollock
- Renal medicine, Kolling Institute, Royal North Shore Hospital, University of Sydney, Sydney, New South Wales, Australia
| | - Sonia Saad
- Renal medicine, Kolling Institute, Royal North Shore Hospital, University of Sydney, Sydney, New South Wales, Australia
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23
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Glastras SJ, Chen H, Tsang M, Teh R, McGrath RT, Zaky A, Chen J, Wong MG, Pollock CA, Saad S. The renal consequences of maternal obesity in offspring are overwhelmed by postnatal high fat diet. PLoS One 2017; 12:e0172644. [PMID: 28225809 PMCID: PMC5321436 DOI: 10.1371/journal.pone.0172644] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2016] [Accepted: 02/07/2017] [Indexed: 12/26/2022] Open
Abstract
AIMS/HYPOTHESIS Developmental programming induced by maternal obesity influences the development of chronic disease in offspring. In the present study, we aimed to determine whether maternal obesity exaggerates obesity-related kidney disease. METHODS Female C57BL/6 mice were fed high-fat diet (HFD) for six weeks prior to mating, during gestation and lactation. Male offspring were weaned to normal chow or HFD. At postnatal Week 8, HFD-fed offspring were administered one dose streptozotocin (STZ, 100 mg/kg i.p.) or vehicle control. Metabolic parameters and renal functional and structural changes were observed at postnatal Week 32. RESULTS HFD-fed offspring had increased adiposity, glucose intolerance and hyperlipidaemia, associated with increased albuminuria and serum creatinine levels. Their kidneys displayed structural changes with increased levels of fibrotic, inflammatory and oxidative stress markers. STZ administration did not potentiate the renal effects of HFD. Though maternal obesity had a sustained effect on serum creatinine and oxidative stress markers in lean offspring, the renal consequences of maternal obesity were overwhelmed by the powerful effect of diet-induced obesity. CONCLUSION Maternal obesity portends significant risks for metabolic and renal health in adult offspring. However, diet-induced obesity is an overwhelming and potent stimulus for the development of CKD that is not potentiated by maternal obesity.
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Affiliation(s)
- Sarah J. Glastras
- Department of Medicine, Kolling Institute, University of Sydney, Sydney, Australia
- Department of Diabetes, Endocrinology and Metabolism, Royal North Shore Hospital, St Leonards, NSW, Australia
| | - Hui Chen
- School of Life Sciences, Faculty of Science, University of Technology Sydney, Sydney, Australia
| | - Michael Tsang
- School of Life Sciences, Faculty of Science, University of Technology Sydney, Sydney, Australia
| | - Rachel Teh
- Department of Medicine, Kolling Institute, University of Sydney, Sydney, Australia
| | - Rachel T. McGrath
- Department of Medicine, Kolling Institute, University of Sydney, Sydney, Australia
- Department of Diabetes, Endocrinology and Metabolism, Royal North Shore Hospital, St Leonards, NSW, Australia
| | - Amgad Zaky
- Department of Medicine, Kolling Institute, University of Sydney, Sydney, Australia
| | - Jason Chen
- Department of Anatomical Pathology, Royal North Shore Hospital, St Leonards, NSW, Australia
| | - Muh Geot Wong
- Department of Medicine, Kolling Institute, University of Sydney, Sydney, Australia
| | - Carol A. Pollock
- Department of Medicine, Kolling Institute, University of Sydney, Sydney, Australia
| | - Sonia Saad
- Department of Medicine, Kolling Institute, University of Sydney, Sydney, Australia
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24
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Shi JX, Wang QJ, Li H, Huang Q. SIRT4 overexpression protects against diabetic nephropathy by inhibiting podocyte apoptosis. Exp Ther Med 2016; 13:342-348. [PMID: 28123512 DOI: 10.3892/etm.2016.3938] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2015] [Accepted: 09/22/2016] [Indexed: 12/16/2022] Open
Abstract
Diabetic nephropathy is a diabetic complication associated with capillary damage and increased mortality. Sirtuin 4 (SIRT4) plays an important role in mitochondrial function and the pathogenesis of metabolic diseases, including aging kidneys. The aim of the present study was to investigate the association between SIRT4 and diabetic nephropathy in a glucose-induced mouse podocyte model. A CCK-8 assay showed that glucose simulation significantly inhibited podocyte proliferation in a time- and concentration-dependent manner. Reverse transcription-quantitative polymerase chain reaction and western blot analysis showed that the mRNA and protein levels of SIRT4 were notably decreased in a concentration-dependent manner in glucose-simulated podocytes. However, SIRT4 overexpression increased proliferation and suppressed apoptosis, which was accompanied by increases in mitochondrial membrane potential and reduced production of reactive oxygen species (ROS). Notably, SIRT4 overexpression downregulated the expression of apoptosis-related proteins NOX1, Bax and phosphorylated p38 and upregulated the expression of Bcl-2 in glucose-simulated podocytes. In addition, SIRT4 overexpression significantly attenuated the inflammatory response, indicated by reductions in the levels of TNF-α, IL-1β and IL-6. These results demonstrate for the first time that the overexpression of SIRT4 prevents glucose-induced podocyte apoptosis and ROS production and suggest that podocyte apoptosis represents an early pathological mechanism leading to diabetic nephropathy.
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Affiliation(s)
- Jian-Xia Shi
- Department of Endocrinology, Changhai Hospital, The Second Military Medical University, Shanghai 200433, P.R. China
| | - Qi-Jin Wang
- Department of Endocrinology, Changhai Hospital, The Second Military Medical University, Shanghai 200433, P.R. China
| | - Hui Li
- Department of Endocrinology, Changhai Hospital, The Second Military Medical University, Shanghai 200433, P.R. China
| | - Qin Huang
- Department of Endocrinology, Changhai Hospital, The Second Military Medical University, Shanghai 200433, P.R. China
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