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Journal of Physiology and Biochemistry

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https://www.readbyqxmd.com/read/28819768/maternal-obesity-is-associated-with-gut-microbial-metabolic-potential-in-offspring-during-infancy
#1
Tomás Cerdó, Alicia Ruiz, Ruy Jáuregui, Hatim Azaryah, Francisco José Torres-Espínola, Luz García-Valdés, M Teresa Segura, Antonio Suárez, Cristina Campoy
Children born to obese mothers are at increased risk for obesity, but the mechanisms behind this association are not fully understood. Our study aimed to investigate differences in the functions encoded by the microbiome of infants at 18 months of age when the transition from early infant-feeding to solid family foods is established. To investigate the impact of maternal prepregnancy body mass index on infants' gut microbiome, faecal samples from infants born to normoweight (n = 21) and obese mothers (n = 18) were analysed by 16S rRNA gene sequencing and a functional-inference-based microbiome analysis...
August 17, 2017: Journal of Physiology and Biochemistry
https://www.readbyqxmd.com/read/28815514/intraepithelial-lymphocyte-immunophenotype-a-useful-tool-in-the-diagnosis-of-celiac-disease
#2
Rebeca Saborido, Nazareth Martinón, Alexandra Regueiro, Vanesa Crujeiras, Pablo Eiras, Rosaura Leis
According to new ESPGHAN guidelines, gluten challenge is considered necessary when there is doubt about the initial diagnosis of celiac disease (CD). The main aim of this study was to quantify intraepithelial lymphocyte (IEL) immunophenotype on celiac patients on gluten-containing diet (GCD) compared to those on gluten-free diet (GFD). Another aim was to evaluate the clinical utility of IELs in the CD diagnosis, especially in selected patients on GFD where diagnostic uncertainty remains. IEL immunophenotype (TCRγδ and NK-like IELs) were studied by flow cytometry in 111 children with CD (81 children with CD on GCD and 30 celiac patients on GFD) and a control group (10 children)...
August 16, 2017: Journal of Physiology and Biochemistry
https://www.readbyqxmd.com/read/28799126/hydration-status-drug-interactions-and-determinants-in-a-spanish-elderly-population-a-pilot-study
#3
A M Puga, T Partearroyo, G Varela-Moreiras
Proper hydration is essential to maintain optimal health and well-being at all stages of life, especially for the elderly. Side effects of certain drugs that affect hydration status may compromise the health of the ancients, who also constitute the most vulnerable group. No studies have been carried out, to our knowledge, at the intersection of drugs and hydration status. Our study aimed to evaluate the effects of chronic use of certain drugs (diuretics, corticoids and metformin) in the hydration status of the elderly...
August 10, 2017: Journal of Physiology and Biochemistry
https://www.readbyqxmd.com/read/28795377/comparison-of-the-fatty-acid-profile-of-spanish-infant-formulas-and-galician-women-breast-milk
#4
Rocío Barreiro, Patricia Regal, Olga López-Racamonde, Alberto Cepeda, Cristina A Fente
The importance of dietary lipids during childhood is evident, as they are necessary for correct growth and development of the newborn. When breastfeeding is not possible, infant formulas are designed to mimic human milk as much as possible to fulfill infant's requirements. However, the composition of these dairy products is relatively constant, while human milk is not a uniform bio-fluid and changes according to the requirements of the baby. In this study, breast milk samples were donated by 24 Spanish mothers in different lactation stages and different infant formulas were purchased in supermarkets and pharmacies...
August 9, 2017: Journal of Physiology and Biochemistry
https://www.readbyqxmd.com/read/28779456/food-patterns-and-nutritional-assessment-in-galician-university-students
#5
José J Porto-Arias, Tania Lorenzo, Alexandre Lamas, Patricia Regal, Alejandra Cardelle-Cobas, Alberto Cepeda
The access of the young people to the university marks a fundamental break in their lives that may also result in a substantial change in their dietary habits. The aim of this study was to characterize the food patterns, body composition and biochemical profiles of Galician university students from the University of Santiago de Compostela (Campus de Lugo). A total of 62 students participated in this survey. For each individual, anthropometric parameters, blood pressure, blood glucose and lipid profile were measured...
August 4, 2017: Journal of Physiology and Biochemistry
https://www.readbyqxmd.com/read/28762182/diet-induced-hypercholesterolemia-alters-liver-glycosaminoglycans-and-associated-lipoprotein-receptors-in-rats
#6
Gangappa Kiran, Ummiti J S Prasada Rao, Paramahans V Salimath, Nandini D Chilkunda
Glycosaminoglycans (GAGs) play an important role in lipoprotein metabolism. In liver, it facilitates the uptake of remnants through receptor-independent endocytosis. However, changes in liver GAGs during diet-induced hypercholesterolemia with normal levels of fat feeding are unknown. Present paper highlights the effect of diet-induced hypercholesterolemia with normal levels (5%) of fat on liver GAGs and other associated lipoprotein receptors. Hypercholesterolemia was induced in rats by feeding diet supplemented with 0...
July 31, 2017: Journal of Physiology and Biochemistry
https://www.readbyqxmd.com/read/28744831/25-hydroxyvitamin-d-levels-of-children-are-inversely-related-to-adiposity-assessed-by-body-mass-index
#7
Silvia Barja-Fernández, Concepción M Aguilera, Isabel Martínez-Silva, Rocío Vazquez, Mercedes Gil-Campos, Josune Olza, Juan Bedoya, Carmen Cadarso-Suárez, Ángel Gil, Luisa M Seoane, Rosaura Leis
Vitamin D deficiency is associated with wide range of pathologies. Some evidences have shown that low vitamin D circulating levels in children and adolescent are related to fat mass and obesity. The objectives of the present study were to characterize vitamin D status in children and adolescents and to determine if serum 25-hydroxyvitamin D (25(OH)D) concentration is related to adiposity assessed by body mass index (BMI). Serum 25(OH)D levels were measured by LIAISON method in 471 children and adolescents (2 to 18 years age) and analyzed according to gender, pubertal period, age, and BMI...
July 25, 2017: Journal of Physiology and Biochemistry
https://www.readbyqxmd.com/read/28741242/the-weakening-effect-of-soluble-epoxide-hydrolase-inhibitor-auda-on-febrile-response-to-lipopolysaccharide-and-turpentine-in-rat
#8
Jakub Piotrowski, Tomasz Jędrzejewski, Małgorzata Pawlikowska, Agata Joanna Pacuła, Jacek Ścianowski, Wiesław Kozak
A still growing body of evidence suggests the importance of epoxyeicosatrienoic acids (EETs) in the regulation of inflammatory response; therefore, drugs that stabilize their levels by targeting the soluble epoxide hydrolase (sEH), an enzyme responsible for their metabolism, are currently under investigation. The effect of sEH inhibitors on molecular components of fever mechanism, i.e., on synthesis of pro-inflammatory cytokines or prostaglandins, has been repeatedly proven; however, the hypothesis that sEH inhibitors affect febrile response has never been tested...
July 24, 2017: Journal of Physiology and Biochemistry
https://www.readbyqxmd.com/read/28730509/effect-of-a-2000-m-running-test-on-antioxidant-and-cytokine-response-in-plasma-and-circulating-cells
#9
Lucrecia Carrera-Quintanar, Lorena Funes, Miguel Sánchez-Martos, Pascual Martinez-Peinado, José M Sempere, Antoni Pons, Vicente Micol, Enrique Roche
Exercise intensity usually correlates with increased oxidative stress and enhanced cytokine production. However, it is unknown if all types of exercise that induce muscle damage can cause a parallel response in the oxidation balance and cytokine production. To this end, the effect of a 2000-m running test in a group of volunteers that regularly train in aerobic routines was studied. Different circulating parameters were measured, oxidative stress markers (protein carbonyls and malondialdehyde), antioxidant enzyme activity, and cytokine levels in plasma as well as in the main circulating cells of blood samples obtained in basal conditions and after test execution...
July 20, 2017: Journal of Physiology and Biochemistry
https://www.readbyqxmd.com/read/28707280/multi-regulatory-network-of-ros-the-interconnection-of-ros-pgc-1-alpha-and-ampk-sirt1-during-exercise
#10
REVIEW
Anand Thirupathi, Claudio Teodoro de Souza
Transcriptional factors are easily susceptible to any stimuli, including exercise. Exercise can significantly influence PGC-1 α and AMPK-SIRT1 pathway, as it is involved in the regulation of energy metabolism and mitochondrial biogenesis. Exercise is a major energy deprivation process by which many of transcription factors get tuned positively. However, how transcription factors help to boost the antioxidant defense system at cellular level is elusive. It is well known that physical exercise can induce reactive oxygen species, but how these reactive oxygen species can help to regulate multiple transcription factors during exercise is an important area to be discussed yet...
July 14, 2017: Journal of Physiology and Biochemistry
https://www.readbyqxmd.com/read/28707279/sarcolipin-expression-is-repressed-by-endoplasmic-reticulum-stress-in-c2c12-myotubes
#11
Nobuhiko Takahashi, Atsushi P Kimura, Sumiyoshi Naito, Mika Yoshida, Osamu Kumano, Takeshi Suzuki, Satoshi Itaya, Mitsuru Moriya, Masahiro Tsuji, Masahiro Ieko
Sarcolipin is a transmembrane protein expressed in the sarco/endoplasmic reticulum of skeletal and atrial muscles in large animals. Sarcolipin plays crucial roles in heat production through modifying the function of sarco/endoplasmic reticulum Ca(2+) ATPase, thereby being involved in thermogenesis and systemic metabolism. In skeletal muscle, endoplasmic reticulum (ER) stress has been implicated in several conditions, such as insulin resistance, muscle diseases, and hypo/hyper-contraction. Here, we investigated the effect of ER stress on sarcolipin expression in skeletal muscle cells, C2C12 myotubes...
July 13, 2017: Journal of Physiology and Biochemistry
https://www.readbyqxmd.com/read/28695466/oxidative-stress-dependent-contribution-of-hmgb1-to-the-interplay-between-apoptosis-and-autophagy-in-diabetic-rat-liver
#12
Anja Petrović, Desanka Bogojević, Aleksandra Korać, Igor Golić, Sofija Jovanović-Stojanov, Vesna Martinović, Svetlana Ivanović-Matić, Jelena Stevanović, Goran Poznanović, Ilijana Grigorov
The progression of oxidative stress, resulting cell damage, and cell death underlies the etiology of liver damage/dysfunction as a complication of diabetes. High-mobility group box 1 (HMGB1) protein, a chromatin-binding nuclear protein and damage-associated molecular pattern molecule, is integral to oxidative stress and signaling pathways regulating cell death and cell survival. We previously found that in streptozotocin (STZ)-induced diabetic rats, reduction of oxidative stress after melatonin administration lowered necrotic cell death and increased expression of HMGB1 and hepatocellular damage...
July 10, 2017: Journal of Physiology and Biochemistry
https://www.readbyqxmd.com/read/28677073/in-vitro-evaluation-of-the-prebiotic-effect-of-red-and-white-grape-polyphenolic-extracts
#13
S Rodríguez-Costa, A Cardelle-Cobas, P Roca-Saavedra, J J Porto-Arias, J M Miranda, A Cepeda
Nowadays, the strong relationship between diet and health is well known. Although the primary role of diet is to provide nutrients to fulfill metabolic requirements, the use of foods to improve health and the state of well-being is an idea increasingly accepted by society in the last three decades. During the last years, an important number of scientific advances have been achieved in this field and, although in some situations, it is difficult to establish a distinction between "harmful" and "good" bacteria, experts agree in classifying the genera Bifidobacterium and Lactobacillus as beneficial bacteria...
July 4, 2017: Journal of Physiology and Biochemistry
https://www.readbyqxmd.com/read/28624934/low-serum-diamine-oxidase-dao-activity-levels-in-patients-with-migraine
#14
Joan Izquierdo-Casas, Oriol Comas-Basté, M Luz Latorre-Moratalla, Marian Lorente-Gascón, Adriana Duelo, M Carmen Vidal-Carou, Luis Soler-Singla
Histamine intolerance is a disorder in the homeostasis of histamine due to a reduced intestinal degradation of this amine, mainly caused by a deficiency in the enzyme diamine oxidase (DAO). Among the several multi-faced symptoms associated with histamine intolerance, headache is one of the most recognized and disabling consequences. The aim of this study was to determine the prevalence of DAO deficiency in patients with a confirmed migraine diagnosis according to the current International Headache Society (IHS) and in non-migraine subjects...
June 17, 2017: Journal of Physiology and Biochemistry
https://www.readbyqxmd.com/read/28624933/influence-of-food-consumption-patterns-and-galician-lifestyle-on-human-gut-microbiota
#15
María Castro-Penalonga, Paula Roca-Saavedra, Jose Manuel Miranda, Jose Julio Porto-Arias, Carolina Nebot, Alejandra Cardelle-Cobas, Carlos Manuel Franco, Alberto Cepeda
The proportion of different microbial populations in the human gut is an important factor that in recent years has been linked to obesity and numerous metabolic diseases. Because there are many factors that can affect the composition of human gut microbiota, it is of interest to have information about what is the composition of the gut microbiota in different populations in order to better understand the possibilities for improving nutritional management. A group of 31 volunteers were selected according to established inclusion and exclusion criteria and were asked about their diet history, lifestyle patterns, and adherence to the Southern European Atlantic Diet...
June 17, 2017: Journal of Physiology and Biochemistry
https://www.readbyqxmd.com/read/28488210/food-additives-contaminants-and-other-minor-components-effects-on-human-gut-microbiota-a-review
#16
REVIEW
Paula Roca-Saavedra, Veronica Mendez-Vilabrille, Jose Manuel Miranda, Carolina Nebot, Alejandra Cardelle-Cobas, Carlos M Franco, Alberto Cepeda
Gut bacteria play an important role in several metabolic processes and human diseases, such as obesity and accompanying co-morbidities, such as fatty liver disease, insulin resistance/diabetes, and cardiovascular events. Among other factors, dietary patterns, probiotics, prebiotics, synbiotics, antibiotics, and non-dietary factors, such as stress, age, exercise, and climatic conditions, can dramatically impact the human gut microbiota equilibrium and diversity. However, the effect of minor food constituents, including food additives and trace contaminants, on human gut microbiota has received less attention...
May 9, 2017: Journal of Physiology and Biochemistry
https://www.readbyqxmd.com/read/28124277/igf-1-modulates-gene-expression-of-proteins-involved-in-inflammation-cytoskeleton-and-liver-architecture
#17
V J Lara-Diaz, I Castilla-Cortazar, I Martín-Estal, M García-Magariño, G A Aguirre, J E Puche, R G de la Garza, L A Morales, U Muñoz
Even though the liver synthesizes most of circulating IGF-1, it lacks its receptor under physiological conditions. However, according to previous studies, a damaged liver expresses the receptor. For this reason, herein, we examine hepatic histology and expression of genes encoding proteins of the cytoskeleton, extracellular matrix, and cell-cell molecules and inflammation-related proteins. A partial IGF-1 deficiency murine model was used to investigate IGF-1's effects on liver by comparing wild-type controls, heterozygous igf1(+/-), and heterozygous mice treated with IGF-1 for 10 days...
May 2017: Journal of Physiology and Biochemistry
https://www.readbyqxmd.com/read/28012156/sexual-dimorphism-in-obesity-related-genes-in-the-epicardial-fat-during-aging
#18
Caitlin Kocher, Matthew Christiansen, Sarah Martin, Christopher Adams, Paulette Wehner, Todd Gress, Nalini Santanam
Aging increases the risk of cardiovascular disease and metabolic syndrome. Alterations in epicardial fat play an important pathophysiological role in coronary artery disease and hypertension. We investigated the impact of normal aging on obesity-related genes in epicardial fat. Sex-specific changes in obesity-related genes with aging in epicardial fat (EF) were determined in young (6 months) and old (30/36 months) female and male, Fischer 344 × Brown Norway hybrid (FBN) rats, using a rat obesity RT(2) PCR Array...
May 2017: Journal of Physiology and Biochemistry
https://www.readbyqxmd.com/read/27924450/neurobiochemical-and-psychological-factors-influencing-the-eating-behaviors-and-attitudes-in-anorexia-nervosa
#19
REVIEW
Teresa Grzelak, Agata Dutkiewicz, Elzbieta Paszynska, Monika Dmitrzak-Weglarz, Agnieszka Slopien, Marta Tyszkiewicz-Nwafor
The aim of this study was to determine the characteristic features which contribute to inappropriate eating attitudes in people suffering from anorexia nervosa, based on an analysis of recent data. Factors influencing these attitudes have a genetic, neurobiological, biochemical, affective-motivational, cognitive, and behavioral background. Another important issue addressed in the paper is a description of the mechanism leading to continuous dietary restrictions. The altered activity of neurotransmitters modulating patients' moods after the consumption of food and a disturbed responsiveness to enterohormones enhance affective-motivational and cognitive aspects which, in turn, impede the improvement of eating behaviors...
May 2017: Journal of Physiology and Biochemistry
https://www.readbyqxmd.com/read/27909897/nha2-is-expressed-in-distal-nephron-and-regulated-by-dietary-sodium
#20
Kalyan C Kondapalli, R Todd Alexander, Jennifer L Pluznick, Rajini Rao
Increased renal reabsorption of sodium is a significant risk factor in hypertension. An established clinical marker for essential hypertension is elevated sodium lithium countertransport (SLC) activity. NHA2 is a newly identified Na(+)(Li(+))/H(+) antiporter with potential genetic links to hypertension, which has been shown to mediate SLC activity and H(+)-coupled Na(+)(Li(+)) efflux in kidney-derived MDCK cells. To evaluate a putative role in sodium homeostasis, we determined the effect of dietary salt on NHA2...
May 2017: Journal of Physiology and Biochemistry
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