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Lactate AND Visceral fat

Marco G Alves, Ângela Moreira, Marta Guimarães, Mário Nora, Mario Sousa, Pedro F Oliveira, Mariana P Monteiro
Adipose tissue (AT) is involved in dysmetabolism pathogenesis. Regional fat distribution and functioning may contribute to obesity-related metabolic disorders and adverse health outcomes. Specific fat depots are suggested to possess unique biological properties, but specific metabolic profiles of subcutaneous (SAT) and visceral adipose tissue (VAT) remain unknown. We aimed to characterize VAT and SAT glucose metabolism, and their correlation with body mass index (BMI). AT samples from patients (n = 12; F:M, 9:3) with a mean age of 46 years (26-83 years) and an average BMI of 29...
December 2017: BBA Clinical
Patricia Cristina Lisboa, Patricia Novaes Soares, Thamara Cherem Peixoto, Janaine Cavalcanti Carvalho, Camila Calvino, Vanessa Silva Tavares Rodrigues, Dayse Nascimento Bernardino, Viviane Younes-Rapozo, Alex Christian Manhães, Elaine de Oliveira, Egberto Gaspar de Moura
PURPOSE: Children from smoking mothers have a higher risk of developing obesity and associated comorbidities later in life. Different experimental models have been used to assess the mechanisms involved with this increased risk. Using a rat model of neonatal nicotine exposure via implantation of osmotic minipumps in lactating dams, we have previously shown marked sexual dimorphisms regarding metabolic and endocrine outcomes in the adult progeny. Considering that more than four thousand substances are found in tobacco smoke besides nicotine, we then studied a rat model of neonatal tobacco smoke exposure: adult male offspring had hyperphagia, obesity, hyperglycemia, hypertriglyceridemia, secondary hyperthyroidism and lower adrenal hormones...
May 19, 2017: Endocrine
Thais Bento-Bernardes, Fernanda P Toste, Carmen C Pazos-Moura, Karen J Oliveira
BACKGROUND: Cinnamon supplementation has been associated with an improvement in glucose disposal and a reduction in fat mass in type 2 diabetes. Maternal nutrition during lactation impacts the health of the offspring throughout life. We hypothesize that cinnamon intake by lactating rats affects maternal physiology, leading to hormonal and metabolic changes in their offspring. To investigate this hypothesis, dams received aqueous cinnamon extract (400 mg cinnamon kg(-1)  body mass day(-1) ) or water orally, during lactation...
February 9, 2017: Journal of the Science of Food and Agriculture
Ichiro Tokubuchi, Yuji Tajiri, Shimpei Iwata, Kento Hara, Nobuhiko Wada, Toshihiko Hashinaga, Hitomi Nakayama, Hiroharu Mifune, Kentaro Yamada
OBJECTIVE: Metformin is known to have a beneficial effect on body weight and body composition, although the precise mechanism has not been elucidated yet. The aim of this study is to investigate the effects of metformin on energy metabolism and anthropometric factors in both human subjects and rats. METHODS: In human studies, metformin (1500mg/day) was administered to 23 healthy subjects and 18 patients with type 2 diabetes for 2 weeks. Metabolic parameters and energy metabolism were measured during a meal tolerance test in the morning before and after the treatment of metformin...
2017: PloS One
S Häussler, D Germeroth, L Laubenthal, L F Ruda, J Rehage, S Dänicke, H Sauerwein
With the onset of lactation energy from feed intake is mostly insufficient to meet the requirements of dairy cows. Lipid mobilization from adipose tissue (AT) could lead to a compromised inflammatory response enhancing the incidence for diseases. In addition, tissue alterations can occur, displaying areas of necrosis and inflammation. Furthermore, over-conditioned cows mobilizing more lipids from AT than thin cows are prone to develop metabolic disorders. This might lead to an increased infiltration of phagocytic immune cells into AT...
January 2017: Veterinary Immunology and Immunopathology
Nayara Peixoto-Silva, Egberto G Moura, Janaine C Carvalho, Jéssica L Nobre, Fernanda T Quitete, Cintia R Pinheiro, Ana Paula Santos-Silva, Elaine de Oliveira, Patricia C Lisboa
Non-pharmacological early weaning (NPEW) leads offspring to obesity, higher liver oxidative stress and microsteatosis in adulthood. Pharmacological EW (PEW) by maternal treatment with bromocriptine (BRO) causes obesity in the adult progeny but precludes hepatic injury. To test the hypothesis that BRO prevents the deleterious changes of NPEW, we injected BRO into the pups from the NPEW model in late lactation. Lactating rats were divided into two groups: dams with an adhesive bandage around the body to prevent breastfeeding on the last 3 days of lactation and dams whose pups had free suckling (C)...
April 2017: Clinical and Experimental Pharmacology & Physiology
M Rincel, A L Lépinay, P Delage, J Fioramonti, V S Théodorou, S Layé, M Darnaudéry
Anxiety disorders and depression are well-documented in subjects exposed to adverse childhood events. Recently, maternal obesity and/or maternal consumption of high-fat diets (HFD) have been also proposed as risk factors for offspring mental health. Here using an animal model in rats, we explored the combinatorial effects of a maternal HFD (40% of energy from fat without impact on maternal weight; during gestation and lactation) and maternal separation (MS) in offspring. In the prefrontal cortex (PFC) of pups, MS led to changes in the expression of several genes such as Bdnf (brain derived neurotrophic factor), 5HT-r1a (serotonin receptor 1a) and Rest4 (neuron-restrictive silencer element, repressor element 1, silencing transcription factor (Rest), splicing variant 4)...
November 29, 2016: Translational Psychiatry
E P S Conceição, A R Kaezer, N Peixoto-Silva, I Felzenszwalb, E de Oliveira, E G Moura, P C Lisboa
Ilex paraguariensis (yerba mate) has a beneficial effect in the management of obesity. Here, we studied the effects of yerba mate on hypothalamic changes in leptin and insulin signalling, oxidative stress and liver morphology and metabolism in postnatal early overfeeding (EO) Wistar rats. To induce EO, the litter size was reduced to three pups per dam, and litters with 10 pups per dam were used as a control (10 litters each). On postnatal day (PN) 150, EO offspring were subdivided into EO and EO+mate groups (10 animals each), which were treated with water or mate tea [1 g/kg body weight (BW)/day, by gavage], respectively, for 30 days...
February 2017: Journal of Developmental Origins of Health and Disease
Romeu Paulo Martins Silva, Rodrigo Otávio Dos Santos, Nelson Eurípedes Matildes, Antônio Vicente Mundim, Mario da Silva Garrote-Filho, Pâmella Ferreira Rodrigues, Nilson Penha-Silva
Objective: This study investigated the possible blood changes in wistar rats elderly with and without treatment with anabolic steroids submitted physical training. Materials and methods: Elderly rats (32) were divided into four groups: normal (N), treated normal (NT), diabetic (D) and treated diabetic (DT). They were submitted to 20 sessions of swimming with overload (5% body weight), 40 min/day for four weeks. The NT and DT groups received application of testosterone twice a week...
January 2017: Archives of Endocrinology and Metabolism
Xiao Li, Jing Yang, Youbo Zhu, Yuan Liu, Xin'e Shi, Gongshe Yang
Epigenetic mechanisms have an important role in the pre- and peri-conceptional programming by maternal nutrition. Yet, whether or not RNA m⁶A methylation-an old epigenetic marker receiving increased attention recently-is involved remains an unknown question. In this study, mouse high-fat feeding prior to conception was shown to induce overweight and glucose intolerant dams, which then continued to be exposed to a high-fat diet during gestation and lactation. The dams on a standard diet throughout the whole experiment were used as a control...
August 19, 2016: International Journal of Molecular Sciences
Deysla Sabino Guarda, Egberto Gaspar de Moura, Janaíne Cavalcanti Carvalho, Adelina Martha Dos Reis, Patricia Novaes Soares, Patricia Cristina Lisboa, Mariana Sarto Figueiredo
We evaluated maternal flaxseed oil intake during lactation on body composition, lipid profile, glucose homeostasis and adipose tissue inflammation in male and female progeny at adulthood. Lactating rats were divided into the following: control 7% soybean oil (C), hyper 19% soybean oil (HS) and hyper 17% flaxseed oil+2% soybean oil (HF). Weaned pups received a standard diet. Offspring were killed in PN180. Male HF presented higher visceral adipose tissue (VAT) and triacylglycerol, and female HF showed insulin resistance...
September 2016: Journal of Nutritional Biochemistry
E P S Conceição, E G Moura, A C Manhães, J C Carvalho, J L Nobre, E Oliveira, P C Lisboa
Rats overfed during lactation show higher visceral adipose tissue (VAT) mass and metabolic dysfunctions at adulthood. As both vitamin D and glucocorticoids change adipogenesis, parameters related to metabolism and action of these hormones in the adipocyte can be altered in rats raised in small litters (SL). We also studied the antiobesity effects of high calcium diet since it decreases visceral fat in obesity models. On postnatal day (PN) 3, litter size was adjusted to 3pups/dam (SL) to induce overfeeding. Control litters (NL) remained with 10pups/dam until weaning...
August 2016: Journal of Endocrinology
Lila Otani, Tomomi Mori, Ayaka Koyama, Shin-Ichiro Takahashi, Hisanori Kato
Nutrition in early life is important in determining susceptibility to adult obesity, and arginine may promote growth acceleration in infants. We hypothesized that maternal arginine supplementation may promote growth in their pups and contribute to obesity and alteration of the metabolic system in later life. Dams and pups of Wistar rats were given a normal diet (15% protein) as a control (CN) or a normal diet with 2% arginine (ARG). Altered profiles of free amino acids in breast milk were observed in that the concentrations of threonine and glycine were lower in the ARG dams compared with the CN dams...
June 2016: Nutrition Research
Fei Jiao, Xiaoshuang Yan, Yuan Yu, Xiao Zhu, Ying Ma, Zhen Yue, Hailong Ou, Zhonghai Yan
Obesity has become a global public health problem associated with metabolic dysfunction and chronic disorders. It has been shown that the risk of obesity and the DNA methylation profiles of the offspring can be affected by maternal nutrition, such as high-fat diet (HFD) consumption. The aim of this study was to investigate whether metabolic dysregulation and physiological abnormalities in offspring caused by maternal HFD can be alleviated by the treatment of methyl donors during pregnancy and lactation of dams...
August 2016: Journal of Nutritional Biochemistry
Cristina Menni, Marie Migaud, Craig A Glastonbury, Michelle Beaumont, Aikaterini Nikolaou, Kerrin S Small, Mary Julia Brosnan, Robert P Mohney, Tim D Spector, Ana M Valdes
OBJECTIVE: Abdominal obesity is associated with increased risk of type 2 diabetes (T2D) and cardiovascular disease. The aim of this study was to assess whether metabolomic markers of T2D and blood pressure (BP) act on these traits via visceral fat (VF) mass. METHODS: Metabolomic profiling of 280 fasting plasma metabolites was conducted on 2,401 women from TwinsUK. The overlap was assessed between published metabolites associated with T2D, insulin resistance, or BP and those that were identified to be associated with VF (after adjustment for covariates) measured by dual-energy X-ray absorptiometry...
June 2016: Obesity
Simon Lecoutre, Barbara Deracinois, Christine Laborie, Delphine Eberlé, Céline Guinez, Polina E Panchenko, Jean Lesage, Didier Vieau, Claudine Junien, Anne Gabory, Christophe Breton
According to the Developmental Origin of Health and Disease (DOHaD) concept, alterations of nutrient supply in the fetus or neonate result in long-term programming of individual body weight (BW) setpoint. In particular, maternal obesity, excessive nutrition, and accelerated growth in neonates have been shown to sensitize offspring to obesity. The white adipose tissue may represent a prime target of metabolic programming induced by maternal obesity. In order to unravel the underlying mechanisms, we have developed a rat model of maternal obesity using a high-fat (HF) diet (containing 60% lipids) before and during gestation and lactation...
July 2016: Journal of Endocrinology
E P S Conceição, E G Moura, P N Soares, X X Ai, M S Figueiredo, E Oliveira, P C Lisboa
Obesity is related to diabetes, higher oxidative stress and nonalcoholic fatty liver disease, and dietetic therapies, for instance calcium-rich diet, can improve these dysfunctions. Rats raised in small litters (SL) had increased fat depots and insulin resistance at adulthood associated with higher liver oxidative stress and microsteatosis. Thus, we evaluated if dietary calcium can improve these changes. In PN3, litter size was adjusted to 3 pups (SL group) to induce overfeeding, while controls had 10 pups until weaning...
June 2016: Food and Chemical Toxicology
Caroline Thum, Warren C McNabb, Wayne Young, Adrian L Cookson, Nicole C Roy
SCOPE: The composition of the gastrointestinal (GIT) microbiota, particularly in early life, influences the development of metabolic diseases later in life. The maternal microbiota is the main source of bacteria colonising the infant GIT and can be modified by dietary prebiotics. Our objective was to determine the effects of prenatal consumption of prebiotic caprine milk oligosaccharides (CMO) on the large intestine of female mice, milk composition, and offspring's development. METHODS AND RESULTS: C57BL/6 mice were fed either a control diet, CMO diet, or galacto-oligosaccharide diet from mating to weaning...
September 2016: Molecular Nutrition & Food Research
Christina Brei, Lynne Stecher, Daniela Much, Marie-Theres Karla, Ulrike Amann-Gassner, Jun Shen, Carl Ganter, Dimitrios C Karampinos, Stefanie Brunner, Hans Hauner
BACKGROUND: It has been hypothesized that the n-6:n-3 (ω-6:ω-3) long-chain polyunsaturated fatty acid (LCPUFA) ratio in the maternal diet during the prenatal and early postnatal phase positively affects the body composition of the offspring. However, only limited data from prospective human intervention studies with long-term follow-up are available. OBJECTIVE: We assessed the long-term effects of a reduced n-6:n-3 LCPUFA ratio in the diets of pregnant and lactating women [1020 mg docosahexaenoic acid (DHA) plus 180 mg eicosapentaenoic acid (EPA)/d together with an arachidonic acid-balanced diet compared with a control diet] on the body weights and compositions of their offspring from 2 to 5 y of age with a focus on the 5-y results...
June 2016: American Journal of Clinical Nutrition
Ji Hyen Lee, Hyeryon Lee, Sang Mi Lee, Pil Je Kang, Kwan Chang Kim, Young Mi Hong
BACKGROUND: There are a number of complications that can occur if there is under-nutrition during pregnancy followed by a period of rapid catch-up growth, including a higher chance of adult obesity, insulin resistance and hypertriglyceridemia. The purposes of this study were to investigate the effects of fetal under-nutrition during late pregnancy and lactation on blood pressure, visceral fat tissue, gene expressions and to evaluate changes after amlodipine- losartan combination treatment...
2016: Clinical Hypertension
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