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Chen Chen, Nicole J Mitchell, Jean Gratz, Eric R Houpt, Yunyun Gong, Patricia A Egner, John D Groopman, Ronald T Riley, Jency L Showker, Erling Svensen, Estomih R Mduma, Crystal L Patil, Felicia Wu
Growth impairment is a major public health issue for children in Tanzania. The question remains as to whether dietary mycotoxins play a role in compromising children's growth. We examined children's exposures to dietary aflatoxin and fumonisin and potential impacts on growth in 114 children under 36 months of age in Haydom, Tanzania. Plasma samples collected from the children at 24 months of age (N = 60) were analyzed for aflatoxin B1 -lysine (AFB1 -lys) adducts, and urine samples collected between 24 and 36 months of age (N = 94) were analyzed for urinary fumonisin B1 (UFB1 )...
March 12, 2018: Environment International
Teruyo Nakatani, Tiffany Chen, Joshua Johnson, Jennifer J Westendorf, Nicola C Partridge
Histone deacetylase 4 (Hdac4) is known to control chondrocyte hypertrophy and bone formation. We have previously shown that parathyroid hormone (PTH) regulates many aspects of Hdac4 function in osteoblastic cells in vitro; however, in vivo confirmation was previously precluded by pre-weaning lethality of the Hdac4 deficient mice. To analyze the function of Hdac4 in bone in mature animals, we generated mice with osteoblast lineage-specific knockout of Hdac4 (Hdac4ob-/- ) by crossing transgenic mice expressing Cre recombinase under the control of a 2...
March 15, 2018: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
K S Yang, C S Ho, P A Tai, W M Kung
Most lumbar intradural schwannomas present initially as radiculopathies with sensory disturbances. However, neurogenic bladder dysfunction may be one of the earliest manifestations and can cause long-term disability. We present the case of a patient with a L3-4 schwannoma (newly diagnosed owing to recurrent urinary retention and urinary tract infection) who finally underwent surgical resection. Improvement of bladder sensation was documented by urodynamic study and the patient was subsequently weaned off her Foley catheter with satisfactory outcome...
March 15, 2018: Annals of the Royal College of Surgeons of England
Satoshi Kitaoka, Jo Hatogai, Wataru Ochiai, Kiyoshi Sugiyama
The drug-metabolizing enzyme CYP3A is a heterogeneous enzyme found in the liver that displays local characteristics referred to as "zonation." Zonation contributes to improved energy efficiency in metabolism. The objective of this study was to determine a scientific basis for the safety of fetuses and nursing infants in cases in which the use of pharmaceuticals by pregnant and nursing mothers is unavoidable. In addition, we analyzed CYP3A zonation in the liver using mice from the fetus stage to the nursing stage...
2018: Journal of Toxicological Sciences
Sandra Infante Villamil, Roger Huerlimann, Christina Morianos, Zoltan Sarnyai, Gregory E Maes
Obesity and other lifestyle diseases in modern society can be related to historical dietary changes from diets balanced in omega-6 and omega-3 to the unbalanced "Western-type" diet. It is recognized that diet influences the murine and human gut microbiome, and most research indicates that microbial diversity and composition are altered by high-fat diets (HFDs). However, good knowledge about the effects of early exposure to HFD on the maturation and structure of the bacterial community is limited. Using mice as model, we hypothesized that an HFD alters the early dynamic of the gut bacterial community toward an unstable/unhealthy state...
February 2018: Nutrition Research
Justine M Abais-Battad, Hayley Lund, Daniel J Fehrenbach, John Henry Dasinger, David L Mattson
The current study, performed in Dahl Salt-Sensitive (SS) and SS-Rag1-/- rats lacking T- and B- lymphocytes, tested the hypothesis that immune cells amplify salt-sensitive hypertension and kidney damage in response to a high protein diet. After weaning, SS and SS-Rag1-/- rats were placed on an isocaloric, 0.4% NaCl diet containing normal (18%) or high (30%) protein. At 9 weeks of age, rats were switched to a 4.0% NaCl diet containing the same amount of dietary protein and maintained on the high salt diet for 3 weeks...
March 14, 2018: American Journal of Physiology. Regulatory, Integrative and Comparative Physiology
J Jeong, I Kang, S Kim, S-J Park, K H Park, T Oh, S Yang, C Chae
The objective of this study was to determine the efficacy of a commercially available porcine reproductive and respiratory syndrome virus (PRRSV)-1 modified-live virus (MLV) vaccine against PRRSV-1 and PRRSV-2 challenge in late-term pregnancy gilts. Gilts were vaccinated with the PRRSV-1 MLV vaccine at 4 weeks prior to breeding and then challenged intranasally with PRRSV-1 or PRRSV-2 at 93 days of gestation. After PRRSV-1 challenge, vaccinated pregnant gilts had a significantly longer gestation period, significantly higher numbers of live-born and weaned piglets and a significantly lower number of stillborn piglets at birth compared to unvaccinated pregnant gilts...
March 13, 2018: Transboundary and Emerging Diseases
Rebekah C Kennedy, Russell R Fling, Michael S Robeson, Arnold M Saxton, Liesel G Schneider, John L Darcy, David A Bemis, Ling Zhao, Jiangang Chen
Widely used as an antimicrobial in antibacterial bar soaps, triclocarban (3,4,4'-trichlorocarbanilide; TCC) is effective against Gram-positive bacteria but shows little efficacy against Gram-negative strains, potentially altering the composition of indigenous microflora within and on the human body. To date, the consequence of continuous or previous nonprescription antimicrobial exposure from compounds in personal care products on commensal microflora is still elusive. Previous research has shown that TCC exposure during gestation and lactation induced dysbiosis of gut microbial communities among exposed dams and neonates...
March 13, 2018: Environmental Science and Pollution Research International
Ammaly Phengvilaysouk, Jan Erik Lindberg, Viengsamai Sisongkham, Phonpaseuth Phengsavanh, Anna Jansson
This study investigated the effect of providing extra water and nesting material to Moo Lath sows on piglet survival and growth. Three treatments were evaluated in a randomized block design with six sows/treatment. In the Control treatment, sows were not provided with nesting material or extra water apart from that included in the feed (conventional smallholder practice). In treatment NM, nesting material was provided 1-2 days before expected farrowing. In treatment NMW, nesting material as in NM and extra water were provided ad libitum throughout the study...
March 13, 2018: Tropical Animal Health and Production
Margaret O Murphy, Joseph B Herald, Jacqueline Leachman, Alejandro Villasante Tezanos, Dianne M Cohn, Analia S Loria
.: Exposure to early life stress (ELS) is associated with behavioral-related alterations, increases in body mass index and higher systolic blood pressure in humans. Postnatal maternal separation and early weaning (MSEW) is a mouse model of neglect characterized by a long-term dysregulation of the neuroendocrine system. OBJECTIVES: Given the contribution of adrenal-derived hormones to the development of obesity, we hypothesized that exposure to MSEW could contribute to  the worsening of cardiometabolic function in response to chronic high-fat diet (HF) feeding by promoting adipose tissue expansion and insulin resistance...
February 23, 2018: International Journal of Obesity: Journal of the International Association for the Study of Obesity
Long The Nguyen, Hui Chen, Crystal Mak, Amgad Zaky, Carol Pollock, Sonia Saad
Recent studies indicate that SIRT1, an important metabolic sensor and regulator of lifespan, plays a mechanistic role in maternal obesity-induced programming of metabolic disorders in the offspring. In this study we investigate whether SIRT1 activation in early childhood can mitigate metabolic disorders due to maternal and postnatal high-fat feeding in mice. Male offspring born to chow-fed (MC) or high-fat diet-fed dams (MHF) were weaned onto postnatal chow or high-fat diet and treated with SRT1720 (SRT, 25mg/kg/2days i...
March 13, 2018: American Journal of Physiology. Endocrinology and Metabolism
Angelica V Glover, Diane C Berry, Todd A Schwartz, Alison M Stuebe
OBJECTIVE:  To evaluate the relationship between prenatal metabolic markers and breastfeeding outcomes in women with gestational diabetes mellitus (GDM). STUDY DESIGN:  Secondary analysis of a cluster-randomized trial of a lifestyle intervention to improve metabolic health among women with GDM. Women were enrolled between 22 and 36 weeks' gestation and followed through 10 months postpartum. Metabolic markers were measured at enrollment. Women reported when they stopped breastfeeding, whether they breastfed as long as desired, and when they introduced formula...
February 2, 2018: American Journal of Perinatology
Joshua L Chan, Justin G Miller, Mandy Murphy, Ann Greenberg, Peggy Iraola, Keith A Horvath
BACKGROUND: Prolonged intubation following cardiac surgery is associated with significant morbidity. A fast-track extubation protocol primarily driven by bedside providers was instituted for all postoperative cardiac surgery patients to facilitate safe and expeditious extubation. METHODS: A retrospective review of 1581 cardiac surgery patients over an 8-year period was performed. Prior to 2011, non-protocolized standard perioperative management was utilized (n=807)...
March 9, 2018: Annals of Thoracic Surgery
Chuanxiang Tang, Min Cai, Lin Wang, Yaqiong Guo, Na Li, Yaoyu Feng, Lihua Xiao
BACKGROUND: Cattle are commonly infected with the microsporidian parasite Enterocytozoon bieneusi. Sequence characterization of E. bieneusi in these animals at the ribosomal internal transcribed spacer (ITS) locus had identified I, J and BEB4 as the dominant genotypes. However, current studies on E. bieneusi in dairy cattle are mostly on infection rates and genotype distribution. This study aims to examine the intragenotypic diversity within dominant E. bieneusi genotypes in pre-weaned dairy calves in Shanghai, China...
March 12, 2018: Parasites & Vectors
S A Barwick, A L Henzell, B J Walmsley, D J Johnston, R G Banks
Methods are presented for including feed intake and efficiency in genetic selection for multiple-trait merit when commercial production is from any combination of pasture or concentrates. Consequences for the production system and for individual animals are illustrated with a beef cattle example. Residual feed intake at pasture (RFI-p), residual feed intake in the feedlot (RFI-f), and cow condition score are additional traits of the breeding objective. Feed requirement change is costed in the economic values of other objective traits...
February 24, 2018: Journal of Animal Science
Matthieu Glorion, Olaf Mercier, Delphine Mitilian, Alexandra De Lemos, Lilia Lamrani, Séverine Feuillet, Pauline Pradere, Jérôme Lepavec, Daniel Lehouerou, François Stephan, Laurent Savale, Dominique Fabre, Sacha Mussot, Elie Fadel
OBJECTIVES: Extracorporeal membrane oxygenation (ECMO) has become the standard of cardiopulmonary support during a sequential double lung transplant for pulmonary hypertension. Whether central or peripheral cannulation is the best strategy for these patients remains unknown. Our goal was to determine which is the best strategy by comparing 2 populations of patients. METHODS: We performed a single-centre retrospective study based on an institutional prospective lung transplant database...
March 8, 2018: European Journal of Cardio-thoracic Surgery
Hironosuke Watanabe, Hisashi Sahara, Shunichiro Nomura, Tatsu Tanabe, Dilrukshi K Ekanayake-Alper, Lennan K Boyd, Nathan J Louras, Arsenoi Asfour, Makenzie A Danton, Siu-Hong Ho, Scott J Arn, Robert J Hawley, Akira Shimizu, Takeshi Nagayasu, David Ayares, Marc I Lorber, Megan Sykes, David H Sachs, Kazuhiko Yamada
BACKGROUND: Despite recent progress in survival times of xenografts in non-human primates, there are no reports of survival beyond 5 days of histologically well-aerated porcine lung grafts in baboons. Here, we report our initial results of pig-to-baboon xeno-lung transplantation (XLTx). METHODS: Eleven baboons received genetically modified porcine left lungs from either GalT-KO alone (n = 3), GalT-KO/humanCD47(hCD47)/hCD55 (n = 3), GalT-KO/hD47/hCD46 (n = 4), or GalT-KO/hCD39/hCD46/hCD55/TBM/EPCR (n = 1) swine...
March 12, 2018: Xenotransplantation
Dewaele Aurélie, Persuy Marie-Annick, Badonnel Karine, Meunier Nicolas, Durieux Didier, Castille Johan, Favreau-Peigné Angélique, Baly Christine
Exposure to specific odorants in the womb during pregnancy or in the milk during early nursing is known to impact morpho-functional development of the olfactory circuitry of pups. This can be associated with a modification in olfactory sensitivity and behavioural olfactory-based preferences to the perinatally encountered odorants measured at birth, weaning or adult stage. Effects depend on a multitude of factors, such as odorant type, concentration, administration mode and frequency, as well as timing and mice strain...
March 8, 2018: Behavioural Brain Research
Saori Kataoka, Toshio Norikura, Shin Sato
Maternal malnutrition is known to increase the risk of obesity in offspring. We investigated whether green tea extract (GTE) intake during lactation affects obesity-related fibrosis and inflammation in the kidney of high-fat-diet-fed adult offspring of protein-restricted-diet-fed dams during pregnancy and lactation. Pregnant Wistar rats received diets containing 20% (normal-protein, NP) or 8% (low-protein, LP) casein, and they received 0%-, 0.12%- or 0.24%-GTE-containing LP diets (LP/LP, LP/LGT and LP/HGT, respectively) during lactation...
February 9, 2018: Journal of Nutritional Biochemistry
Facundo Mendes Garrido Abregú, María Natalia Gobetto, Lorena Vanesa Juriol, Carolina Caniffi, Rosana Elesgaray, Analía Lorena Tomat, Cristina Arranz
Micronutrient malnutrition during intrauterine and postnatal growth may program cardiovascular diseases in adulthood. We examined whether moderate zinc restriction in male and female rats throughout fetal life, lactation and/or postweaning growth induces alterations that can predispose to the onset of vascular dysfunction in adulthood. Female Wistar rats were fed low- or control zinc diets from pregnancy to offspring weaning. After weaning, offspring were fed either a low- or a control zinc diet until 81 days...
February 9, 2018: Journal of Nutritional Biochemistry
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