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https://www.readbyqxmd.com/read/28211122/prolactin-regulation-of-oxytocin-neurone-activity-in-pregnancy-and-lactation
#1
Rachael A Augustine, Sharon R Ladyman, Gregory T Bouwer, Yousif Alyousif, Tony J Sapsford, Victoria Scott, Ilona C Kokay, David R Grattan, Colin H Brown
Secretion of prolactin for milk synthesis and oxytocin for milk secretion is required for successful lactation. In virgin rats, prolactin inhibits oxytocin neurones but this effect would be counterproductive during lactation when secretion of both hormones is required for synthesis and delivery of milk to the new-born. Hence, we determined the effects of intracerebroventricular (ICV) prolactin on oxytocin neurones in urethane-anaesthetised virgin, pregnant and lactating rats. Prolactin (2 μg) consistently inhibited oxytocin neurones in virgin and pregnant rats (by 1...
February 17, 2017: Journal of Physiology
https://www.readbyqxmd.com/read/28208845/role-of-altered-venous-blood-lactate-and-hba1c-in-women-with-gestational-diabetes-mellitus
#2
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/28199414/direct-and-transgenerational-effects-of-low-doses-of-perinatal-di-2-ethylhexyl-phthalate-dehp-on-social-behaviors-in-mice
#3
Kayla M Quinnies, Erin P Harris, Rodney W Snyder, Susan S Sumner, Emilie F Rissman
Di-(2-ethylhexyl) phthalate (DEHP) is an endocrine disrupting chemical commonly used as a plasticizer in medical equipment, food packaging, flooring, and children's toys. DEHP exposure during early development has been associated with adverse neurobehavioral outcomes in children. In animal models, early exposure to DEHP results in abnormal development of the reproductive system as well as altered behavior and neurodevelopment. Based on these data, we hypothesized that developmental exposure to DEHP would decrease social interactions and increase anxiety-like behaviors in mice in a dose-dependent manner, and that the effects would persist over generations...
2017: PloS One
https://www.readbyqxmd.com/read/28198164/influence-of-maternal-and-socioeconomic-factors-on-breast-milk-fatty-acid-composition-in-urban-low-income-families
#4
Uma Nayak, Suman Kanungo, Dadong Zhang, E Ross Colgate, Marya P Carmolli, Ayan Dey, Masud Alam, Byomkesh Manna, Ranjan Kumar Nandy, Deok Ryun Kim, Dilip Kumar Paul, Saugato Choudhury, Sushama Sahoo, William S Harris, Thomas F Wierzba, Tahmeed Ahmed, Beth D Kirkpatrick, Rashidul Haque, William A Petri, Josyf C Mychaleckyj
The lipid composition of breast milk may have a significant impact on early infant growth and cognitive development. Comprehensive breast milk data is lacking from low-income populations in the Indian subcontinent impeding assessment of deficiencies and limiting development of maternal nutritional interventions. A single breast milk specimen was collected within 6 weeks postpartum from two low-income maternal cohorts of exclusively breastfed infants, from Dhaka, Bangladesh (n = 683) and Kolkata, India (n = 372) and assayed for percentage composition of 26 fatty acids...
February 15, 2017: Maternal & Child Nutrition
https://www.readbyqxmd.com/read/28196298/human-to-human-transmission-of-brucella-a-systematic-review
#5
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/28191637/mammary-alveolar-epithelial-cells-convert-to-brown-adipocytes-in-post-lactating-mice
#6
Antonio Giordano, Jessica Perugini, David M Kristensen, Loris Sartini, Andrea Frontini, Shingo Kajimura, Karsten Kristiansen, Saverio Cinti
During pregnancy and lactation, subcutaneous white adipocytes in the mouse mammary gland transdifferentiate reversibly to milk-secreting epithelial cells. In this study, we demonstrate by transmission electron microscopy that in the post-lactating mammary gland interscapular multilocular adipocytes found close to the mammary alveoli contain milk protein granules. Use of the Cre-loxP recombination system allowed showing that the involuting mammary gland of whey acidic protein-Cre/R26R mice, whose secretory alveolar cells express the lacZ gene during pregnancy, contains some X-Gal-stained and uncoupling protein 1-positive interscapular multilocular adipocytes...
February 12, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28191262/maternal-intake-of-methyl-group-donors-affects-dna-methylation-of-metabolic-genes-in-infants
#7
Sara Pauwels, Manosij Ghosh, Radu Corneliu Duca, Bram Bekaert, Kathleen Freson, Inge Huybrechts, Sabine A S Langie, Gudrun Koppen, Roland Devlieger, Lode Godderis
BACKGROUND: Maternal nutrition during pregnancy and infant nutrition in the early postnatal period (lactation) are critically involved in the development and health of the newborn infant. The Maternal Nutrition and Offspring's Epigenome (MANOE) study was set up to assess the effect of maternal methyl-group donor intake (choline, betaine, folate, methionine) on infant DNA methylation. Maternal intake of dietary methyl-group donors was assessed using a food-frequency questionnaire (FFQ)...
2017: Clinical Epigenetics
https://www.readbyqxmd.com/read/28181180/managing-ibd-therapies-in-pregnancy
#8
REVIEW
Jill K J Gaidos, Sunanda V Kane
Inflammatory bowel disease is frequently diagnosed before or during key childbearing years. One of the most important factors for a healthy pregnancy is having quiescent disease prior to conception and maintaining disease remission for the duration of the pregnancy. In order to achieve that, most women will need to continue their inflammatory bowel disease (IBD) treatment during pregnancy. One of the main concerns these women have is whether these medications will have adverse effects on their growing fetus...
February 8, 2017: Current Treatment Options in Gastroenterology
https://www.readbyqxmd.com/read/28177374/influence-of-dietary-arginine-supplementation-of-sows-during-late-pregnancy-on-piglet-birth-weight-and-sow-and-litter-performance-during-lactation
#9
B E Bass, C L Bradley, Z B Johnson, C E Zier-Rush, R D Boyd, J L Usry, C V Maxwell, J W Frank
Two experiments were conducted to determine the effect of feeding supplemental -Arg during late pregnancy on piglet birth weight and preweaning performance. In Exp. 1, 97 gilts and sows were allotted (gestation d 93) to receive a control diet (CON; 19.8 g standardized ileal digestible [SID] Arg/d) or the CON + 1.0% -Arg (ARG; 46.6 g SID Arg/d). Gilts and sows were weighed on gestation d 93 and 110, 48 h after farrowing, and at weaning. Data, including number born alive, number weaned, individual birth and weaning weight, and placenta weight, were recorded...
January 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28177361/effects-of-temperament-on-physiological-productive-and-reproductive-responses-in-beef-cows
#10
R F Cooke, K M Schubach, R S Marques, R F G Peres, L G T Silva, R S Carvalho, R S Cipriano, D W Bohnert, A V Pires, J L M Vasconcelos
This experiment evaluated the effects of temperament on physiological, productive, and reproductive responses in beef cows. A total of 953 lactating, multiparous, non-pregnant Nelore cows (age = 99 ± 2 mo; days post-partum = 51.4 ± 0.3 d; BCS = 5.34 ± 0.04; BW = 430 ± 2 kg) were allocated into 8 groups of approximately 120 cows each. Groups were assigned to an estrus synchronization + timed-AI protocol at the beginning of the breeding season. Concurrently with AI, blood samples were collected, hair samples were clipped from the tail switch, and cow temperament was evaluated via chute score and exit velocity...
January 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28170295/after-chemotherapy-treatment-for-maternal-cancer-during-pregnancy-is-breastfeeding-possible
#11
Stephen Stopenski, Anum Aslam, Xinmin Zhang, Elyce Cardonick
OBJECTIVE: To report breastfeeding complaints of women diagnosed with cancer during pregnancy and correlate success with characteristics of their treatment. MATERIALS AND METHODS: This is a prospective cohort study of women diagnosed with cancer during pregnancy who attempted breastfeeding. We surveyed participants about breast engorgement, milk let down, and consistent breast milk production through mailed questionnaires. Treatment details, including the type and number of chemotherapy cycles given during pregnancy and antepartum or postpartum depression, were collected...
February 7, 2017: Breastfeeding Medicine: the Official Journal of the Academy of Breastfeeding Medicine
https://www.readbyqxmd.com/read/28168650/gsdma3-is-required-for-mammary-gland-development-in-mice
#12
Haiying Guo, Senlin Xu, Yingxin Liu, Yang Yang, Fang Deng, Yizhan Xing, Xiaohua Lian, Yuhong Li
AE (alopecia and excoriation) is a mouse mutant phenotype that harbours a mutation in Gsdma3. Gsdma3 has been reported to regulate the development of skin and hair follicles. However, its role in the mammary glands has not been reported. In this study, we found that descendants bred from an AE mother died within 12 days after birth. Then, we found that the expression of Gsdma3 varied among the developmental stages of mammary glands. Subsequently, we systematically studied the phenotype of the mammary glands of AE and wild-type mice, revealing that the mammary glands were smaller in AE mice...
February 6, 2017: Histochemistry and Cell Biology
https://www.readbyqxmd.com/read/28166972/comparison-between-allantochorion-membrane-and-amniotic-sac-detection-by-per-rectal-palpation-for-pregnancy-diagnosis-on-pregnancy-loss-calving-rates-and-abnormalities-in-newborn-calves
#13
Juan E Romano, Pablo Pinedo, Kelsey Bryan, Roney S Ramos, Karol G Solano, Daniel Merchan, Juan Velez
The objectives of the present investigation were to evaluate the pregnancy diagnosis by detection of either the allantochorion membrane (FMS) or amniotic sac (ASP) by per rectum palpation (PRP) during late embryonic or early fetal period on pregnancy loss (PRL) at reexamination, calving rates, and abnormalities in newborn calves. A controlled randomized blind design with 800 lactating dairy pregnant cows diagnosed by transrectal ultrasonography (TRUS) between Days 35 and 57 of gestation from one dairy farm were included...
March 1, 2017: Theriogenology
https://www.readbyqxmd.com/read/28161186/a-dairy-herd-level-study-of-postpartum-diseases-and-their-association-with-reproductive-performance-and-culling
#14
J Dubuc, J Denis-Robichaud
The objectives of this study were to quantify the herd-level prevalence of postpartum diseases in a large number of dairy farms, and to identify prevalence alarm levels of these diseases based on association with a low prevalence of success at first service, with a high prevalence of pregnancy loss following pregnancy diagnosis at first service, and with a high prevalence of postpartum culling. A total of 126 commercial dairy herds were enrolled in this cohort study, and the herd was the unit of interest. Twenty cows from every herd were enrolled during the study period (a total of 2,520 lactating cows in the study)...
February 1, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28161177/influence-of-conjugated-linoleic-acid-and-vitamin-e-on-performance-energy-metabolism-and-change-of-fat-depot-mass-in-transitional-dairy-cows
#15
S Schäfers, D von Soosten, U Meyer, C Drong, J Frahm, J Kluess, C Raschka, J Rehage, A Tröscher, W Pelletier, S Dänicke
The objective of this experiment was to determine the effects of conjugated linoleic acid (CLA) and vitamin E as well as their interaction on performance variables and lipomobilization during late pregnancy and early lactation (wk 6 antepartum until wk 10 postpartum). For this purpose, 59 pluriparous German Holstein cows were assigned to 4 dietary groups in a 2 × 2 design with the factors CLA and vitamin E at 2 levels. For this trial, we selected cows with a high body condition score because they are more likely to mobilize fat and consequently are at a higher risk of developing ketosis...
February 1, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28161167/ability-of-dairy-cows-to-ensure-pregnancy-according-to-breed-and-genetic-merit-for-production-traits-under-contrasted-pasture-based-systems
#16
N Bedere, C Disenhaus, V Ducrocq, S Leurent-Colette, L Delaby
The present study aimed to assess and measure the effects of breed, genetic merit for production traits, and feeding systems (FS) on the ability of dairy cows to ensure pregnancy through its components (fertilization, embryonic losses, recalving). An experiment was conducted over 9 yr on Normande and Holstein cows assigned to contrasted FS. Diets were based on maize silage in winter and grazing plus concentrate in spring in the high FS group, and on grass silage in winter and grazing with no concentrate during spring in the low FS group...
February 1, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28160250/thiopurines-and-methotrexate-use-in-ibd-patients-in-a-biologic-era
#17
REVIEW
Gerassimos J Mantzaris
Although we have been living in the era of biologic therapy for several decades, the use of immunomodulators (primarily thiopurines [azathioprine and mercaptopurine] and less so methotrexate) still remains an important component of the inflammatory bowel disease (IBD) pharmaceutical arsenal. Thiopurines as monotherapy exert corticosteroid-sparing effects and can maintain long-term remission in a considerable proportion of patients who have frequent relapses and are or have become mesalazine and/or corticosteroid intolerant or refractory...
February 3, 2017: Current Treatment Options in Gastroenterology
https://www.readbyqxmd.com/read/28159237/altered-plasma-lipidome-profile-of-dairy-cows-with-fatty-liver-disease
#18
C Gerspach, S Imhasly, M Gubler, H Naegeli, M Ruetten, E Laczko
Fatty liver disease is a common health problem of dairy cows occurring during the transition from pregnancy to lactation. It is a direct response to fat mobilization due to negative energy balance. Accumulation of lipids in the liver occurs if the uptake of non-esterified fatty acids by the liver exceeds the capacity of lipid oxidation or secretion by the liver. Currently, the diagnosis of fatty liver disease requires confirmation through biopsies to determine the hepatic lipid content. In view of this lack of a practical diagnostic tool, we compared the plasma lipidome of diseased dairy cows using liquid chromatography coupled to quadrupole time-of-flight mass spectrometry...
February 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28142152/improving-safe-and-effective-use-of-drugs-in-pregnancy-and-lactation-workshop-summary
#19
Laura E Riley, Alison G Cahill, Richard Beigi, Renate Savich, George Saade
In February 2015, given high rates of use of medications by pregnant women and the relative lack of data on safety and efficacy of many drugs utilized in pregnancy, the Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD), the Society for Maternal-Fetal Medicine (SMFM), the American College of Obstetricians and Gynecologists (ACOG), and the American Academy of Pediatrics (AAP) convened a group of experts to review the "current" state of the clinical care and science regarding medication use during the perinatal period...
January 31, 2017: American Journal of Perinatology
https://www.readbyqxmd.com/read/28131623/early-postnatal-genistein-administration-permanently-affects-nitrergic-and-vasopressinergic-systems-in-a-sex-specific-way
#20
G Ponti, A Rodriguez-Gomez, A Farinetti, M Marraudino, F Filice, B Foglio, G Sciacca, G C Panzica, S Gotti
Genistein (GEN) is a natural xenoestrogen (isoflavonoid) that may interfere with the development of estrogen-sensitive neural circuits. Due to the large and increasing use of soy-based formulas for babies (characterized by a high content of GEN), there are some concerns that this could result in an impairment of some estrogen-sensitive neural circuits and behaviors. In a previous study, we demonstrated that its oral administration to female mice during late pregnancy and early lactation induced a significant decrease of nitric oxide synthase-positive cells in the amygdala of their male offspring...
January 25, 2017: Neuroscience
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