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Lactate AND Aging

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https://www.readbyqxmd.com/read/28231611/leg-vascular-and-skeletal-muscle-mitochondrial-adaptations-to-aerobic-high-intensity-exercise-training-are-enhanced-in-the-early-postmenopausal-phase
#1
Michael Nyberg, Jon Egelund, Camilla M Mandrup, Caroline B Andersen, Karen M B E Hansen, Ida-Marie F Hergel, Nicholai Valbak-Andersen, Ruth Frikke-Schmidt, Bente Stallknecht, Jens Bangsbo, Ylva Hellsten
Exercise training leads to favourable adaptations within skeletal muscle; however, this effect of exercise training may be blunted in postmenopausal women due to the loss of oestrogens. Furthermore, postmenopausal women may have an impaired vascular response to acute exercise. We examined the haemodynamic response to acute exercise in matched pre- and postmenopausal women before and after 12 weeks of aerobic high intensity exercise training. Twenty premenopausal and 16 early postmenopausal (3.1 ± 0.5 [mean ± SEM] years after final menstrual period) women only separated by 4 (50 ± 0 versus 54 ± 1) years of age were included...
February 23, 2017: Journal of Physiology
https://www.readbyqxmd.com/read/28222674/administration-of-hes-in-elderly-patients-undergoing-hip-arthroplasty-under-spinal-anesthesia-is-not-associated-with-an-increase-in-renal-injury
#2
Yuanyuan Zhang, Yonghao Yu, Junya Jia, Wenli Yu, Rubin Xu, Licheng Geng, Ying Wei
BACKGROUND: Hydroxyethyl starch (HES) is applied to achieve volume expansion during surgery; however, nephrotoxicity may be induced in patients with sepsis. Simultaneously, neutrophil gelatinase-associated lipocalin (NGAL) and IL-18 have been illustrated as pivotal indicators to diagnose the acute kidney injury (AKI) early. This multi-center, randomized, double-blinded, placebo-controlled study aimed to investigate whether 6% HES 130/0.4 administration caused postoperative AKI, which can be revealed by urinary and plasma NGAL and IL-18 estimations in elderly patients with normal renal function undergoing hip arthroplasty under spinal anesthesia...
February 21, 2017: BMC Anesthesiology
https://www.readbyqxmd.com/read/28219187/-clinical-application-of-acutegastrointestinal-injury-grading-system-assocaited-with-clinical-severity-outcome-in-critically-ill-patients-a-multi-center-prospective-observational-study
#3
B C Hu, R H Sun, A P Wu, Y Ni, J Q Liu, L J Ying, Q P Xu, G P Ge, Y C Shi, C W Liu, L Xu, R H Lin, R L Jiang, J Lu, Y N Zhu, W D Wu, X J Ding, B Xie
Objective: To investigate the feasibility of utilizing the current acute gastrointestinal injury(AGI) grading system, and explore the association of severity of AGI grade with clinical outcome in critically ill patients. Methods: The adult patients from 14 general ICUs in Zhejiang Province with an expected admission to ICU for at least 24 h were recruited, and all clinical, laboratory, and survival data were prospectively collected. The AGI grade was daily assessed based on GIsymptoms, feeding details and organ dysfunctionon the first week of admission to ICU...
February 7, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28217829/vitamin-d-and-autism-what-s-new
#4
REVIEW
John Jacob Cannell
An increasing amount of evidence points to the possibility that gestational and early childhood vitamin D deficiency [25(OH)D < 40 ng/ml] cause some cases of autism. Vitamin D is metabolized into a seco-steroid hormone that regulates about 3% of the 26,000 genes in the coding human genome. It is also a neurosteroid that is active in brain development, having effects on cellular proliferation, differentiation, calcium signaling, neurotrophic and neuroprotective actions; it also appears to have an effect on neurotransmission and synaptic plasticity...
February 20, 2017: Reviews in Endocrine & Metabolic Disorders
https://www.readbyqxmd.com/read/28216266/perinatal-administration-of-bisphenol-a-alters-the-expression-of-tight-junction-proteins-in-the-uterus-and-reduces-the-implantation-rate
#5
Annia A Martínez-Peña, Jorge Rivera-Baños, Laura L Méndez-Carrillo, Marcos I Ramírez-Solano, Aarón Galindo-Bustamante, J Carlos Páez-Franco, Morimoto Sumiko, Lorenza González-Mariscal, Cruz M Esther, C Adriana Mendoza-Rodríguez
We studied the effect of bisphenol-A (BPA) administration to rats, during the perinatal period, on the fertility of F1 generation and on the expression of tight junction (TJ) proteins in the uterus during early pregnancy. Pregnant Wistar dams (F0) received: BPA-L (0.05mg/kg/day), BPA-H (20mg/kg/day) or vehicle, from gestational day (GD) 6 to lactation day 21. F1 female pups were mated at 3 months of age and sacrificed at GD 1, 3, 6, and 7. Serum hormonal levels, ovulation rate, number of implantation sites and expression of TJ proteins in the uterus of F1 females were evaluated...
February 16, 2017: Reproductive Toxicology
https://www.readbyqxmd.com/read/28211153/the-prognostic-relevance-of-serum-lactate-dehydrogenase-and-mild-bone-marrow-reticulin-fibrosis-in-essential-thrombocythemia
#6
Mythri Mudireddy, Daniela Barraco, Curtis A Hanson, Animesh Pardanani, Naseema Gangat, Ayalew Tefferi
The 2016 World Health Organization (WHO) diagnostic criteria for myeloproliferative neoplasms (MPN) underscore the prognostically-relevant distinction between essential thrombocythemia (ET) and prefibrotic primary myelofibrosis (pre-PMF). In addition, leukocytosis has been identified as an important prognostic marker in otherwise WHO-defined ET. However, controversy remains regarding the objectivity of morphologic criteria in distinguishing ET from pre-PMF and the precise prognostic cutoff values for leukocytosis...
February 17, 2017: American Journal of Hematology
https://www.readbyqxmd.com/read/28208845/role-of-altered-venous-blood-lactate-and-hba1c-in-women-with-gestational-diabetes-mellitus
#7
C S Nagalakshmi, N U Santhosh, N Krishnamurthy, Chethana Chethan, M K Shilpashree
INTRODUCTION: Being a mirror image of metabolic syndrome, Gestational Diabetes Mellitus (GDM) is associated with significant maternal and fetal morbidity. Increased blood lactate concentration and alterations of substrate utilization are partly involved in development of insulin resistance in GDM. Fetuses born to such mothers have shown low umbilical vein oxygen saturation and low oxygen content and increased lactate concentrations. These changes may certainly reflect enhanced fetal metabolism as a result of hyperglycaemia and hyperinsulinemia and therefore, these fetuses deserve intense surveillance at term and during delivery...
December 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28203206/mild-and-short-term-caloric-restriction-prevents-obesity-induced-cardiomyopathy-in-young-zucker-rats-without-changing-in-metabolites-and-fatty-acids-cardiac-profile
#8
Gema Ruiz-Hurtado, Concha F García-Prieto, Helena Pulido-Olmo, Juan P Velasco-Martín, Palmira Villa-Valverde, María E Fernández-Valle, Lisardo Boscá, María Fernández-Velasco, Javier Regadera, Beatriz Somoza, María S Fernández-Alfonso
Caloric restriction (CR) ameliorates cardiac dysfunction associated with obesity. However, most of the studies have been performed under severe CR (30-65% caloric intake decrease) for several months or even years in aged animals. Here, we investigated whether mild (20% food intake reduction) and short-term (2-weeks) CR prevented the obese cardiomyopathy phenotype and improved the metabolic profile of young (14 weeks of age) genetically obese Zucker fa/fa rats. Heart weight (HW) and HW/tibia length ratio was significantly lower in fa/fa rats after 2 weeks of CR than in counterparts fed ad libitum...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28202638/vitamin-concentrations-in-human-milk-vary-with-time-within-feed-circadian-rhythm-and-single-dose-supplementation
#9
Daniela Hampel, Setareh Shahab-Ferdows, M Munirul Islam, Janet M Peerson, Lindsay H Allen
Background: Human milk is the subject of many studies, but procedures for representative sample collection have not been established. Our improved methods for milk micronutrient analysis now enable systematic study of factors that affect its concentrations.Objective: We evaluated the effects of sample collection protocols, variations in circadian rhythms, subject variability, and acute maternal micronutrient supplementation on milk vitamin concentrations.Methods: In the BMQ (Breast-Milk-Quality) study, we recruited 18 healthy women (aged 18-26 y) in Dhaka, Bangladesh, at 2-4 mo of lactation for a 3-d supplementation study...
February 15, 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/28202636/moderate-to-severe-iodine-deficiency-in-the-first-1000-days-causes-more-thyroid-hypofunction-in-infants-than-in-pregnant-or-lactating-women
#10
Sara Stinca, Maria Andersson, Isabelle Herter-Aeberli, Laila Chabaa, Mohamed Cherkaoui, Nawal El Ansari, Abdelmounaim Aboussad, Sandra Weibel, Michael B Zimmermann
Background: Iodine deficiency early in the life cycle-the "first 1000 days"-can cause hypothyroidism and irreversibly impair neuromotor development. However, the relative vulnerability among women and infants during this critical period is unclear, making it difficult for country-based programs with limited resources to prioritize their iodine interventions.Objective: Our aim was to determine the prevalence of thyroid hypofunction in women and infants living in an area of moderate-to-severe iodine deficiency...
February 15, 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/28202270/acute-metabolic-and-endocrine-responses-induced-by-glucose-and-fructose-in-healthy-young-subjects-a-double-blinded-randomized-crossover-trial
#11
Wenwen Cai, Jie Li, Jiahui Shi, Bo Yang, Jun Tang, Helen Truby, Duo Li
BACKGROUND AND OBJECTIVE: A rise in fructose consumption has been implicated in the etiology of obesity, diabetes and cardiovascular disease. Serum uric acid (UA) elevates after fructose ingestion, increasing the risk of cardiovascular disease. However, the impact of fructose ingestion on nitric oxide (NO) has not yet been confirmed. The aim of this study was to investigate the postprandial metabolic and endocrine responses following an acute ingestion of fructose and glucose in healthy subjects...
February 3, 2017: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/28199348/presentation-management-and-outcomes-of-sepsis-in-adults-and-children-admitted-to-a-rural-ugandan-hospital-a-prospective-observational-cohort-study
#12
Kristina E Rudd, Leonard K Tutaryebwa, T Eoin West
OBJECTIVES: Limited data are available on sepsis in low-resource settings, particularly outside of urban referral centers. We conducted a prospective observational single-center cohort study in May 2013 to assess the presentation, management and outcomes of adult and pediatric patients admitted with sepsis to a community hospital in rural Uganda. METHODS: We consecutively screened all patients admitted to medical wards who met sepsis criteria. We evaluated eligible patients within 24 hours of presentation and 24-48 hours after admission, and followed them until hospital discharge...
2017: PloS One
https://www.readbyqxmd.com/read/28196298/human-to-human-transmission-of-brucella-a-systematic-review
#13
REVIEW
Felipe F Tuon, Regina B Gondolfo, Natacha Cerchiari
OBJECTIVE: The most common form of transmitting human brucellosis is through contaminated food or direct contact with infected animals. Human-to-human transmission (HHT) has been described as isolated case reports. The aim of this systematic review was to describe all cases of HHT of human brucellosis reported in the medical literature. METHODS: A literature search was conducted using PubMed, Scopus and Scielo databases using specific search terms published until March 2016...
February 14, 2017: Tropical Medicine & International Health: TM & IH
https://www.readbyqxmd.com/read/28195973/repetition-performance-and-blood-lactate-responses-adopting-different-recovery-periods-between-training-sessions-in-trained-men
#14
Humberto Miranda, Marianna de Freitas Maia, Gabriel Andrade Paz, João A A A de Souza, Roberto Simão, Déborah de Araújo Farias, Jeffrey M Willardson
The purpose of this study was to examine the effect of different recovery periods (24h, 48h, and 72h) between repeated resistance training (RT) sessions for the upper body muscles on repetition performance and blood lactate responses in trained men. Sixteen recreationally trained men (age: 26.1 ± 3.1 years; height: 179 ± 4.5 cm; body mass: 82.6 ± 4.0 kg, 4.5 ± 2.2 years of RT experience) participated in this study. Eight-repetition maximum (8-RM) loads were determined for the bench press (BP), 30° incline bench press (BP30), and 45° incline bench press (BP45) exercises...
February 8, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28194144/trophic-interactions-of-infant-bifidobacteria-and-eubacterium-hallii-during-l-fucose-and-fucosyllactose-degradation
#15
Clarissa Schwab, Hans-Joachim Ruscheweyh, Vera Bunesova, Van Thanh Pham, Niko Beerenwinkel, Christophe Lacroix
Fucosyllactoses (2'- or 3'-FL) account for up to 20% of human milk oligosaccharides (HMOs). Infant bifidobacteria, such as Bifidobacterium longum subsp. infantis, utilize the lactose moiety to form lactate and acetate, and metabolize L-fucose to 1,2-propanediol (1,2-PD). Eubacterium hallii is a common member of the adult gut microbiota that can produce butyrate from lactate and acetate, and convert 1,2-PD to propionate. Recently, a Swiss cohort study identified E. hallii as one of the first butyrate producers in the infant gut...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28192797/aberrant-buildup-of-all-trans-retinal-dimer-a-nonpyridinium-bisretinoid-lipofuscin-fluorophore-contributes-to-the-degeneration-of-the-retinal-pigment-epithelium
#16
Junli Zhao, Yi Liao, Jingmeng Chen, Xinran Dong, Zhan Gao, Houjian Zhang, Xiaodan Wu, Zuguo Liu, Yalin Wu
Purpose: Nondegradable fluorophores that accumulate as deleterious lipofuscin of RPE are involved in pathological mechanisms leading to the degeneration of RPE in AMD. A2E, a major component of RPE lipofuscin, could cause damage to RPE cells. Nevertheless, all-trans-retinal dimer (atRAL dimer) was found to be much more abundant than that of A2E in eyes of Abca4-/-Rdh8-/- double-knockout (DKO) mice, a rodent model showing the typical characteristics of retinopathies in AMD patients. Our aim was to elucidate the effect and mechanism of atRAL dimer-induced RPE degeneration...
February 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28191607/retrospective-study-of-the-clinical-characteristics-and-risk-factors-of-rheumatoid-arthritis-associated-interstitial-lung-disease
#17
Yongfeng Zhang, Hongbin Li, Nawei Wu, Xin Dong, Yi Zheng
This study aims to explore the clinical characteristics and risk factors of rheumatoid arthritis (RA)-associated interstitial lung disease (ILD). This is a retrospective study of 550 patients with RA. All patients underwent chest high-resolution computed tomography (HRCT) scanning. (1) Two hundred thirty-seven out of five hundred fifty (43.1%) patients with RA were diagnose with ILD. 13.5% ILD occurred before RA onset, 69.6% ILD occurred within 10 years of RA onset, and 16.9% ILD occurred more than 10 years after RA onset...
February 12, 2017: Clinical Rheumatology
https://www.readbyqxmd.com/read/28190874/maternal-consumption-of-a-cafeteria-diet-during-lactation-in-rats-leads-the-offspring-to-a-thin-outside-fat-inside-phenotype
#18
C A Pomar, R van Nes, J Sánchez, C Picó, J Keijer, A Palou
BACKGROUND AND OBJECTIVE: The suckling period is a critical phase of development, in which maternal over-nutrition may program the susceptibility of developing chronic diseases and disorders, such as obesity and metabolic alterations, in adult life. Here, we questioned whether the consumption of a cafeteria diet throughout lactation in rats affects the macronutrient composition of milk and whether it results in permanent metabolic effects in the offspring. METHODS: Nursing rats were fed a control diet or a cafeteria diet during lactation...
February 13, 2017: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/28188577/sofa-score-in-septic-patients-incremental-prognostic-value-over-age-comorbidities-and-parameters-of-sepsis-severity
#19
Francesca Innocenti, Camilla Tozzi, Chiara Donnini, Eleonora De Villa, Alberto Conti, Maurizio Zanobetti, Riccardo Pini
Several widely used scoring systems for septic patients have been validated in an ICU setting, and may not be appropriate for other settings like Emergency Departments (ED) or High-Dependency Units (HDU), where a relevant number of these patients are managed. The purpose of this study is to find reliable tools for prognostic assessment of septic patients managed in an ED-HDU. In 742 patients diagnosed with sepsis/severe sepsis/septic shock, not-intubated, admitted in ED between June 2008 and April 2016, SOFA, qSOFA, PIRO, MEWS, Charlson Comorbidity Index, MEDS, and APACHE II were calculated at ED admission (T0); SOFA and MEWS were also calculated after 24 h of ED-High-Dependency Unit stay (T1)...
February 10, 2017: Internal and Emergency Medicine
https://www.readbyqxmd.com/read/28188168/metformin-associated-lactic-acidosis-treated-with-continuous-renal-replacement-therapy
#20
Akihide Nakamura, Kei Suzuki, Hiroshi Imai, Naoyuki Katayama
Metformin-associated lactic acidosis (MALA) is a rare but life-threatening complication. We report a case of MALA in a man aged 71 years who was treated with continuous renal replacement therapy (CRRT). The patient was brought to the hospital for prolonged and gradual worsening gastrointestinal symptoms. Although he received intravenous treatment, he developed catecholamine-resistant shock, and blood gas analysis revealed lactic acidosis. Bicarbonate and antibiotics for possible sepsis were initiated, but with no clear benefit...
February 10, 2017: BMJ Case Reports
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