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Lactate AND Visceral fat

Minori Ishitobi, Toshio Hosaka, Naru Morita, Ken Kondo, Toshitaka Murashima, Atsuko Kitahara, Kazuto Takahashi, Yoshikazu Sumitani, Toshiaki Tanaka, Toshihiko Yokoyama, Takuma Kondo, Hitoshi Ishida
AIMS: It was recently reported that lactate acts as a metabolic mediator and rises in the diabetic state, but the physiological effects are as yet poorly understood. The objective of the current study was to evaluate the significance of serum lactate elevation in type 2 diabetes mellitus (T2DM) patients. METHODS: Fasting serum lactate levels, hematological and inflammatory serum markers and anthropometric parameters, obtained employing bioelectric impedance analysis, were measured in 103 patients with T2DM...
January 31, 2019: Diabetes Research and Clinical Practice
Laura Butruille, Lucie Marousez, Charlène Pourpe, Frédérik Oger, Simon Lecoutre, Daniel Catheline, Solvig Görs, Cornelia C Metges, Céline Guinez, Christine Laborie, Philippe Deruelle, Jérôme Eeckhoute, Christophe Breton, Philippe Legrand, Jean Lesage, Delphine Eberlé
OBJECTIVE: The lactation-suckling period is critical for white adipose tissue (WAT) development. Early postnatal nutrition influences later obesity risk but underlying mechanisms remain elusive. Here, we tested whether altered postnatal nutrition specifically during suckling impacts epigenetic regulation of key metabolic genes in WAT and alter long-term adiposity set point. METHODS: We analyzed the effects of maternal high-fat (HF) feeding in rats exclusively during lactation-suckling on breast milk composition and its impact on male offspring visceral epidydimal (eWAT) and subcutaneous inguinal (iWAT) depots during suckling and in adulthood...
January 8, 2019: International Journal of Obesity: Journal of the International Association for the Study of Obesity
B S Silva, I M Bertasso, C B Pietrobon, B P Lopes, T R Santos, N Peixoto-Silva, J C Carvalho, S Claudio-Neto, A C Manhães, S S Cabral, G E G Kluck, G C Atella, E Oliveira, E G Moura, P C Lisboa
AIMS: Bisphenol A (BPA), an endocrine disruptor used in industrial applications, has been detected in both placenta and milk. We studied the effects of BPA exposure during pregnancy and lactation on body composition, palatable food intake, biochemical, hormonal and behavioral profiles of young and adult Wistar rat offspring. MAIN METHODS: Female rats were divided into: control, BPA10 (10 μg/kg/day) and BPA50 (50 μg/kg/day). BPA was administered by gavage to dams from gestation until the end of lactation...
February 1, 2019: Life Sciences
Elizabeth O Dangana, Olugbenga S Michael, Tolulope E Omolekulo, Emmanuel D Areola, Lawrence A Olatunji
Reduced liver glycogen synthesis might signify increased glucose flux towards fat synthesis and triggers hepatic triglyceride accumulation and dysmetabolism. Adenosine deaminase (ADA) reduces adenosine content which increases glycogenolysis. In the present study, we evaluate the effect of modulating glycogen synthesis and ADA by lithium chloride (LiCl) on nicotine-induced dysmetabolism. Twenty four male Wistar rats (n = 6/group) were allotted into four groups namely; vehicle-treated (po), nicotine-treated (1...
January 2019: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
Martina Rudnicki, Ghoncheh Abdifarkosh, Emmanuel Nwadozi, Sofhia V Ramos, Armin Makki, Diane M Sepa-Kishi, Rolando B Ceddia, Christopher Gr Perry, Emilie Roudier, Tara L Haas
Impaired angiogenesis is a hallmark of metabolically dysfunctional adipose tissue in obesity. However, the underlying mechanisms restricting angiogenesis within this context remain ill-defined. Here, we demonstrate that induced endothelial-specific depletion of the transcription factor Forkhead Box O1 (FoxO1) in male mice led to increased vascular density in adipose tissue. Upon high-fat diet feeding, endothelial cell FoxO1-deficient mice exhibited even greater vascular remodeling in the visceral adipose depot, which was paralleled with a healthier adipose tissue expansion, higher glucose tolerance and lower fasting glycemia concomitant with enhanced lactate levels...
December 4, 2018: ELife
Kehinde Samuel Olaniyi, Lawrence Aderemi Olatunji
OBJECTIVE: Accumulation of lipids in non-adipose tissues particularly the liver is a feature of tissue insulin resistance. Hepatic glycogen depletion reflects counter glucoregulation in an insulin-resistant state and/or obesity. The effect of l-glutamine on fructose-induced increased hepatic lipid accumulation and depleted glycogen content, particularly in pregnancy, is not known. We therefore aimed at investigating the effect of glutamine on fructose-induced weight gain, hepatic lipids and glycogen contents in pregnant rats and also tested the hypothesis that hepatoprotective role of l-glutamine is through suppression of PDK-4...
November 19, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
Haruna Ishikawa, Xiaoxu Guo, Saeko Sugawara, Yui Iwagaki, Kazushi Yamamoto, Ai Konno, Mika Nishiuchi, Tsuyoshi Tsuduki
OBJECTIVE: Previous studies have demonstrated that obesity is rare among those who consume the Japanese diet because of its lower caloric content compared with the American diet. Meanwhile, it has been reported that maternal caloric restriction, which induces antiobesity effects, during pregnancy and lactation increases the likelihood of a low birthweight infant, which increases the risks for obesity and diabetes later in life. The aim of this study was to examine the influence of maternal consumption of the Japanese diet during pregnancy and lactation on the risk for obesity and diabetes in the offspring later in life...
July 12, 2018: Nutrition
Mai M Hasan, Sally M Shalaby, Jehan El-Gendy, Eman M A Abdelghany
AIM: A growing interest to understand the signaling pathways mediating obesity-induced muscle atrophy is given. Metformin (Met) was reported to possess positive effects on preventing muscle damage and promoting muscle mass maintenance. The aim of the present study to investigate pathways involved in Met effect on obesity induced muscle atrophy. METHODS: Thirty adult male albino rats were assigned into two groups: normal chew diet fed group as control group (C; n = 10) and high-fat-diet (HFD) fed group ( n = 20)...
October 15, 2018: Journal of Cellular Biochemistry
Patricia Novaes Soares, Vanessa Silva Tavares Rodrigues, Thamara Cherem Peixoto, Camila Calvino, Rosiane Aparecida Miranda, Bruna Pereira Lopes, Nayara Peixoto-Silva, Luciana Lopes Costa, Sylvio Claudio-Neto, Alex Christian Manhães, Elaine Oliveira, Egberto Gaspar de Moura, Patricia Cristina Lisboa
Maternal smoking increases obesogenesis in the progeny. Obesity is associated with several hormonal dysfunctions. In a rat model of postnatal tobacco smoke exposure, we previously reported increased central fat depot and disruption of some hormonal systems in the adult offspring. As both glucocorticoids and vitamin D alter lipogenesis and adipogenesis, here we evaluated the metabolism of these two hormones in visceral adipose tissue (VAT) and liver by Western blotting, and possible associations with lipogenesis biomarkers in adult rats that were exposed to tobacco smoke during their suckling period...
October 9, 2018: International Journal of Molecular Sciences
Kehinde Samuel Olaniyi, Lawrence Aderemi Olatunji
Fructose (FRU) intake has increased dramatically in recent decades with a corresponding increased incidence of insulin resistance (IR), particularly in young adults. The use of oral ethinylestradiol-levonorgestrel (EEL) formulation is also common among young women worldwide. The present study aimed at determining the effect of EEL on high fructose-induced cardiac triglyceride (TG) and glycogen accumulation. The study also investigated the possible involvement of pyruvate dehydrogenase kinase-4 (PDK-4) in EEL and/or high fructose metabolic effects on the heart...
October 1, 2018: Naunyn-Schmiedeberg's Archives of Pharmacology
C K Argo, J G Stine, Z H Henry, C Lackner, J T Patrie, A L Weltman, S H Caldwell
BACKGROUND: Obesity and decreased physical activity mirror increasing prevalence of nonalcoholic fatty liver disease (NAFLD). AIM: We aimed to investigate associations between aerobic fitness, anthropometrics and disease parameters in patients with nonalcoholic steatohepatitis (NASH). We hypothesised that NASH subjects have lower aerobic power and capacity than untrained, sedentary, normal subjects. METHODS: Forty subjects (60% obese, 40% overweight) with biopsy-confirmed NASH and NAFLD activity score (NAS) ≥4 were enrolled in a clinical trial where anthropometrics, laboratories, liver fat content by MRI, activity, and aerobic fitness by cycle ergometry data were obtained...
August 2018: Alimentary Pharmacology & Therapeutics
H Sadri, B Saremi, S Dänicke, J Rehage, M Mielenz, A Hosseini, H Sauerwein
Pigment epithelium-derived factor (PEDF) is evolving as metabolic regulatory protein. Albeit mostly considered in only pathological conditions related to excess energy intake resulting in obesity and insulin resistance, PEDF is likely to be involved in other physiological processes such as the homeorhetic adaptation of metabolism to lactation. We aimed to characterize the expression of PEDF and its association to the concomitant mobilization of body reserves during lactation in nonobese subjects. This mobilization is particularly distinct in dairy cows, and we therefore assessed the mRNA expression of PEDF and its putative receptors in different tissues in 2 trials with dairy cows fed with or without conjugated linoleic acids (CLAs)...
July 2018: Domestic Animal Endocrinology
M A Vithayathil, J R Gugusheff, Z Y Ong, S C Langley-Evans, R A Gibson, B S Muhlhausler
Background: While the adverse metabolic effects of exposure to obesogenic diets during both the prenatal and early postnatal period are well established, the relative impact of exposure during these separate developmental windows remains unclear. This study aimed to assess the relative contribution of exposure to a maternal cafeteria diet during pregnancy and lactation on body weight, fat mass and expression of lipogenic and adipokine genes in the offspring. Methods: Wistar rats were fed either a control chow (Control, n  = 14) or obesogenic cafeteria diet (CAF, n  = 12) during pregnancy and lactation...
2018: Nutrition & Metabolism
Ericka A de Los Ríos, Xarubet Ruiz-Herrera, Viridiana Tinoco-Pantoja, Fernando López-Barrera, Gonzalo Martínez de la Escalera, Carmen Clapp, Yazmín Macotela
Maternal diet during lactation affects offspring metabolic health throughout life. Prolactin (PRL) is present in high quantities in maternal milk; however, the effects of milk PRL on the offspring remain poorly characterized. In this study, we evaluated whether feeding a high-fat diet (HFD) to rats during lactation alters PRL, both in the mother's serum and in milk, and whether this factor contributes to HFD-induced metabolic dysfunction in the offspring. Maternal HFD resulted in decreased PRL levels in milk (but not in serum), reduced mammary gland (MG) PRL receptor expression, and altered MG structure and function...
June 2018: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
Silvia Enes-Marques, Alexandre Giusti-Paiva
Maternal behavior has a substantial impact on the behavioral, endocrine, and neural development of the pups. This study investigated the effect of altering the neonatal nutritional environment by modifying the litter size on maternal care and anxiety- and fear-like behaviors in rats during adulthood. On postnatal day (PND) 2, litters were adjusted to a small litter (SL) size of three pups per dam or normal litter (NL) size of 12 pups per dam. Maternal behaviors were scored daily during lactation (PND2-21). The weight gain, food intake, adiposity, and biochemical landmarks of offspring rats were evaluated...
November 2018: Journal of Physiological Sciences: JPS
Haruna Ishikawa, Xiaoxu Guo, Saeko Sugawara, Yui Iwagaki, Kazushi Yamamoto, Tsuyoshi Tsuduki
We examined the effects on offspring of ingestion of the 1975 Japanese diet during pregnancy and lactation and after weaning in mice. Pregnant dams were divided into groups that were fed the Japanese diet or a control diet and raised until offspring were weaned. The offspring after weaning were further divided into groups that were raised on the Japanese diet or the control diet. Ingestion of the Japanese diet after weaning suppressed accumulation of visceral fat in offspring, and reduced the amount of lipids in serum and liver...
March 2018: Bioscience, Biotechnology, and Biochemistry
M S Lima, G S Perez, G L Morais, L S Santos, G S Cordeiro, R D Couto, T C B J Deiró, C G Leandro, J M Barreto-Medeiros
AIM: Obesity during pregnancy is one of the most established risk factors for negative long-term programming. The aim of the present study was to investigate the effects of maternal consumption of a high-fat diet during pregnancy and lactation on the weight gain, visceral adipose tissue and cholesterolemia in neonatal rats. METHODS: Wistar rats were divided into two groups according to the mother's diet during pregnancy and lactation: Control group (CG, n = 12) were the offspring of rats fed a standard diet (4% lipid) and the Test group (TG, n = 12) were pups rats fed on a high fat diet (23% lipid)...
November 2018: Brazilian Journal of Biology, Revista Brasleira de Biologia
Raquel Chamorro-Garcia, Carlos Diaz-Castillo, Bassem M Shoucri, Heidi Käch, Ron Leavitt, Toshi Shioda, Bruce Blumberg
Ancestral environmental exposures to non-mutagenic agents can exert effects in unexposed descendants. This transgenerational inheritance has significant implications for understanding disease etiology. Here we show that exposure of F0 mice to the obesogen tributyltin (TBT) throughout pregnancy and lactation predisposes unexposed F4 male descendants to obesity when dietary fat is increased. Analyses of body fat, plasma hormone levels, and visceral white adipose tissue DNA methylome and transcriptome collectively indicate that the F4 obesity is consistent with a leptin resistant, thrifty phenotype...
December 8, 2017: Nature Communications
Purificación Ros, Francisca Díaz, Alejandra Freire-Regatillo, Pilar Argente-Arizón, Vicente Barrios, Jesús Argente, Julie A Chowen
Poor maternal nutrition can have detrimental long-term consequences on energy homeostasis in the offspring. Resveratrol exerts antioxidant and antiobesity actions, but its impact during development remains largely unknown. We hypothesized that resveratrol intake during pregnancy and lactation could improve the effects of poor maternal nutrition on offspring metabolism. Wistar rats received a low-fat diet (LFD; 10.2% kcal from fat) or high-fat diet (HFD; 61.6% kcal from fat), with half of each group receiving resveratrol in their drinking water (50 mg/L) during pregnancy and lactation...
February 1, 2018: Endocrinology
Yoriko Kimura, Atsushi Yamada, Yoko Takabayashi, Tsunehiko Tsubota, Hisao Kasuga
Obesity is an increasingly severe socioeconomic health issue worldwide. Rodents with diet-induced obesity (DIO) are widely used as models of obesity. The main aim of this study was to establish a DIO model using Wistar lean (+/+ or +/-) rats by feeding a high-fat diet (45 kcal% fat) to dams during the latter term of gestation and the lactation period. A second aim was to examine the effect of post-weaning nutrition independently of maternal nutrition. Some pups (group D) were fed the same high-fat diet after weaning, while others (group C) were fed a chow diet after weaning...
May 10, 2018: Experimental Animals
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