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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/28198164/influence-of-maternal-and-socioeconomic-factors-on-breast-milk-fatty-acid-composition-in-urban-low-income-families
#2
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
#3
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/28177361/effects-of-temperament-on-physiological-productive-and-reproductive-responses-in-beef-cows
#4
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
#5
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
#6
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
#7
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/28161177/influence-of-conjugated-linoleic-acid-and-vitamin-e-on-performance-energy-metabolism-and-change-of-fat-depot-mass-in-transitional-dairy-cows
#8
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/28160250/thiopurines-and-methotrexate-use-in-ibd-patients-in-a-biologic-era
#9
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/28131623/early-postnatal-genistein-administration-permanently-affects-nitrergic-and-vasopressinergic-systems-in-a-sex-specific-way
#10
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
https://www.readbyqxmd.com/read/28131581/different-milk-feeding-intensities-during-the-first-4-weeks-of-rearing-dairy-calves-part-2-effects-on-the-metabolic-and-endocrine-status-during-calfhood-and-around-the-first-lactation
#11
J Kesser, M Korst, C Koch, F-J Romberg, J Rehage, U Müller, M Schmicke, K Eder, H M Hammon, H Sadri, H Sauerwein
Feeding dairy calves at high intensity has been demonstrated to increase milk yield in later life. We investigated the effect of 3 different feeding regimens in the preweaning period on the metabolic and endocrine status during calfhood and in heifers at the onset of the first lactation. In trial 1, 57 German Holstein calves were allocated to 3 different feeding groups: milk replacer restricted to 6.78 kg/calf per day, 11.5% solids (MR-res, n = 20), milk replacer 13.8% solids, ad libitum (MR-ad lib, n = 17), and whole milk ad libitum (WM-ad lib, n = 20)...
January 25, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28126634/the-relationship-of-maternal-bone-density-with-nutritional-rickets-in-nigerian-children
#12
Jennifer Hsu, Philip R Fischer, John M Pettifor, Tom D Thacher
Factors that affect maternal bone mineral density may be related to the risk of nutritional rickets in their offspring. Our aim was to determine the relationship between maternal areal bone mineral density (aBMD) and rickets in Nigerian children. Using a case-control design, we measured forearm aBMD in 56 and 135 mothers of children with and without nutritional rickets, respectively. Active rickets was confirmed or excluded in all children radiographically. Using logistic regression, we assessed the association of maternal aBMD, adjusted for parity, pregnancy and lactation status, duration of most recent completed lactation, age of menarche, height, body mass index, and maternal age with nutritional rickets...
January 23, 2017: Bone
https://www.readbyqxmd.com/read/28109592/short-communication-limitations-of-glucose-tolerance-tests-in-the-assessment-of-peripheral-tissue-insulin-sensitivity-during-pregnancy-and-lactation-in-dairy-heifers
#13
J De Koster, M Van Eetvelde, K Hermans, W Van den Broeck, M Hostens, G Opsomer
The aim of the present study was to point at the limitations of glucose tolerance tests (GTT) to assess peripheral tissue insulin sensitivity in dairy heifers in different physiological states (pregnancy and lactation). Intravenous GTT were performed in 5 nonpregnant, nonlactating heifers, 5 heifers at the end of pregnancy (12-7 d before calving), and 5 lactating primiparous cows (11-14 d after calving). Glucose and insulin concentrations were determined and area under the curve (AUC) and clearance rate of glucose and insulin were calculated...
January 18, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28109138/adaptations-in-the-microarchitecture-and-load-distribution-of-maternal-cortical-and-trabecular-bone-in-response-to-multiple-reproductive-cycles-in-rats
#14
Chantal Mj de Bakker, Allison R Altman-Singles, Yihan Li, Wei-Ju Tseng, Connie Li, X Sherry Liu
Pregnancy, lactation, and weaning result in dramatic changes in maternal calcium metabolism. In particular, the increased calcium demand during lactation causes a substantial degree of maternal bone loss. This reproductive bone loss has been suggested to be largely reversible, as multiple clinical studies have found that parity and lactation history have no adverse effect on postmenopausal fracture risk. However, the precise effects of pregnancy, lactation, and post-weaning recovery on maternal bone structure are not well understood...
January 21, 2017: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/28101997/the-ecology-of-anemia-anemia-prevalence-and-correlated-factors-in-adult-indigenous-women-in-argentina
#15
Laura G Goetz, Claudia Valeggia
OBJECTIVES: The Toba/Qom of Namqom are an indigenous community native to the Gran Chaco region of northern Argentina. Historically seminomadic foragers, the diet of peri-urban community members has rapidly changed from high-protein, high-fiber to hypercaloric, processed. This study aims to understand the impact of this nutritional transition on aspects of women's health by exploring the relationship between prevalence of anemia and current diet composition, place of birth, and reproductive history...
January 19, 2017: American Journal of Human Biology: the Official Journal of the Human Biology Council
https://www.readbyqxmd.com/read/28101373/optimizing-maternal-and-neonatal-outcomes-with-postpartum-contraception-impact-on-breastfeeding-and-birth-spacing
#16
REVIEW
Aparna Sridhar, Jennifer Salcedo
Postpartum contraception is important to prevent unintended pregnancies. Assisting women in achieving recommended inter-pregnancy intervals is a significant maternal-child health concern. Short inter-pregnancy intervals are associated with negative perinatal, neonatal, infant, and maternal health outcomes. More than 30% of women experience inter-pregnancy intervals of less than 18 months in the United States. Provision of any contraceptive method after giving birth is associated with improved inter-pregnancy intervals...
2017: Maternal Health, Neonatology and Perinatology
https://www.readbyqxmd.com/read/28101122/start-early-does-social-instability-during-the-pre-and-early-postnatal-development-prepare-male-wild-cavies-for-social-challenge-later-in-life
#17
Katja Siegeler, Lars Lewejohann, Klaus Failing, Norbert Sachser, Sylvia Kaiser
BACKGROUND: The social environment the mother experiences during pregnancy and lactation can powerfully influence the offspring's behavioural profile. Our previous studies in wild cavies show that two different social environments during pregnancy and lactation bring about different behavioural strategies of male offspring later in life: An unstable social environment leads to a behavioural camouflage strategy, hypothesised to be beneficial at times of socially challenging situations...
2017: Frontiers in Zoology
https://www.readbyqxmd.com/read/28092086/anxiety-related-behaviours-associated-with-microrna-206-3p-and-bdnf-expression-in-pregnant-female-mice-following-psychological-social-stress
#18
Zhuang Miao, Fengbiao Mao, Jialong Liang, Moshe Szyf, Yan Wang, Zhong Sheng Sun
Stress during pregnancy can induce various psychological disorders in women. However, the association linking psychological stress during pregnancy with abnormal behaviours in females remains largely unknown. We employed a novel psychological stress model by introducing pregnant mice to witness the defeat process of their mated partner (WDPMP) and examined the effects of WDPMP on depression-/anxiety-like behaviours and on the expression of brain-derived neurotrophic factor (BDNF) and miR-206-3p in the hippocampus, medial prefrontal cortex (mPFC) and amygdala...
January 14, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28089327/ceruloplasmin-gene-expression-profile-changes-in-the-rat-mammary-gland-during-pregnancy-lactation-and-involution
#19
Natalia A Platonova, Iurii A Orlov, Sergey A Klotchenko, Victor S Babich, Ekaterina Y Ilyechova, Polina S Babich, Yuri P Garmai, Andrey V Vasin, Nadezhda V Tsymbalenko, Liudmila V Puchkova
Copper metabolism disturbances in mammary gland (MG) cells have severe consequences in newborns. The mechanism that controls the balance of copper in the MG has not been thoroughly characterized. Four primary copper homeostasis genes in mammals: (1) ceruloplasmin (Cp) encoding multifunction multicopper blue (ferr)oxidase; (2) CTR1 encoding high affinity copper importer 1; and (3 and 4) two similar genes encoding Cu(I)/Cu(II)-ATPases P1 type (ATP7A and ATP7B) responsible for copper efflux from the cells and metallation of cuproenzymes formed in the Golgi complex are expressed in MG...
January 3, 2017: Journal of Trace Elements in Medicine and Biology
https://www.readbyqxmd.com/read/28081510/gestational-and-lactational-exposure-to-di-isobutyl-phthalate-via-diet-in-maternal-mice-decreases-testosterone-levels-in-male-offspring
#20
Xiaoyang Wang, Nan Sheng, Ruina Cui, Hongxia Zhang, Jianshe Wang, Jiayin Dai
Phthalates are a large family of ubiquitous environmental chemicals suspected of being endocrine disruptors, with exposure to these chemicals during prenatal and postnatal development possibly resulting in reproductive disorders. Di-isobutyl phthalate (DiBP) is widely used in consumer and industrial products, and although its exposure in the general population has increased in recent years, the mechanisms behind DiBP-induced reproductive disorders in male offspring remain unclear. Here, pregnant mice were exposed to 0 or 450 mg/kg bw/day DiBP via diet from gestation day (GD) 0 to GD21...
April 2017: Chemosphere
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