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https://www.readbyqxmd.com/read/29671937/quercetin-improves-postpartum-hypogalactia-in-milk-deficient-mice-via-stimulating-prolactin-production-in-pituitary-gland
#1
Man Lin, Na Wang, Bei Yao, Yao Zhong, Yan Lin, Tianhui You
Postpartum dysgalactia is a common clinical problem for lactating women. Seeking out the safe and efficient phytoestrogens will be a promising strategy for postpartum dysgalactia therapy. In this study, the postpartum mice within four groups, including control group, the model group, and the treatment groups intragastrically administrated with normal saline, bromocriptine, bromocriptine plus 17α-ethinyl estradiol, and bromocriptine plus quercetin, respectively, were used. The results showed that quercetin, a kind of natural phytoestrogen, could efficiently promote lactation yield and mammary gland development in the agalactosis mice produced by bromocriptine administration...
April 19, 2018: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/29662269/two-siblings-with-congenital-central-hypothyroidism-caused-by-a-novel-mutation-in-the-igsf1-gene
#2
Makiko Oguma, Mizuki Kobayashi, Masayo Yamazaki, Koji Yokoyama, Shuntaro Morikawa, Takeshi Yamaguchi, Takanori Yamagata, Toshihiro Tajima
Genetic defects in the immunoglobulin superfamily member 1(IGSF1) protein are the cause of congenital central hypothyroidism (C-CH). Here we report two Japanese siblings with C-CH due to a novel IGSF1 mutation. The youngest brother showed a failure to thrive, hypothermia, and neonatal icterus six days after birth. Further endocrine evaluations led to the diagnosis of C-CH. In addition, PRL deficiency was later detected. In contrast, the elder brother did not show symptoms of severe hypothyroidism during the neonatal period, but he had been followed up by doctors due to psychomotor developmental delays since the age of 1 yr...
2018: Clinical Pediatric Endocrinology: Case Reports and Clinical Investigations: Official Journal of the Japanese Society for Pediatric Endocrinology
https://www.readbyqxmd.com/read/29660308/the-effects-of-replacing-eggs-with-chicks-on-mesotocin-dopamine-and-prolactin-in-the-native-thai-hen
#3
Panpradap Sinpru, Natagarn Sartsoongnoen, Israel Rozenboim, Tom E Porter, Mohamed E El Halawani, Yupaporn Chaiseha
The mesotocinergic (MTergic) and dopaminergic (DAergic) systems have been documented to play pivotal roles in maternal behaviors in native Thai chickens. In native Thai chickens, plasma prolactin (PRL) concentrations are associated with maternal behaviors, which are also controlled by the DAergic system. However, the role of MT in conjunction with the roles of DA and PRL on the neuroendocrine regulation of the transition from incubating to rearing behavior has never been studied. Therefore, the aim of this study was to investigate the association of MT, DA, and PRL during the transition from incubating to rearing behavior in native Thai hens...
April 13, 2018: General and Comparative Endocrinology
https://www.readbyqxmd.com/read/29658436/thrombin-alters-human-endometrial-stromal-cell-differentiation-during-decidualization
#4
Samir N Babayev, Mohammed Kanchwala, Chao Xing, Yucel Akgul, Bruce R Carr, Ruth Ann Word
Vaginal bleeding and subchorionic hematomas are associated with increased risk of both early and late pregnancy loss. Thrombin generation may play a pivotal role in the development of these complications. To determine the effects of thrombin on human endometrial stromal cells (hESCs), cells were treated with thrombin at baseline or during decidualization with cyclic adenosine monophosphate (cAMP)+medroxyprogesterone acetate (MPA). Next-generation RNA sequencing revealed that markers of decidualization (IGF-1, IGFBP-1, and prolactin [PRL]) were induced after the initiation of decidualization, whereas thrombin suppressed insulin-like growth factor ( IGF)-1, Insulin-like growth factor binding protein ( IGFBP)-1, and PRL gene expression at baseline and during decidualization...
January 1, 2018: Reproductive Sciences
https://www.readbyqxmd.com/read/29658354/serum-chemerin-level-in-women-with-pcos-and-its-relation-with-the-risk-of-spontaneous-abortion
#5
Xuezhou Yang, Xiaozhen Quan, Yanli Lan, Qipeng Wei, Jinhai Ye, Xiaofang Yin, Zhisong Ji, Hui Xing, Ying Yang
BACKGROUND AND AIM: Insulin resistance (IR) was recognized as a risk factor for the occurrence of abortion in patients with polycystic ovary syndrome (PCOS). Chemerin was an adipokine which could induce IR and associated with reproductive process closely. However, few studies have inquired the relativity between chemerin and the occurrence of abortion in patients with PCOS. The aim of this study was to evaluate the relationship between serum chemerin and the occurrence of abortion in women with PCOS...
April 16, 2018: Gynecological Endocrinology
https://www.readbyqxmd.com/read/29651360/phosphatase-of-regenerating-liver-3-prl-3-is-overexpressed-in-classical-hodgkin-lymphoma-and-promotes-survival-and-migration
#6
Magnus Aassved Hjort, Håkon Hov, Pegah Abdollahi, Esten Nymoen Vandsemb, Unn-Merete Fagerli, Bendik Lund, Tobias Schmidt Slørdahl, Magne Børset, Torstein Baade Rø
Background: Phosphatase of regenerating liver-3 (PRL-3) is implicated in oncogenesis of hematological and solid cancers. PRL-3 expression increases metastatic potential, invasiveness and is associated with poor prognosis. With this study, we aimed to show a possible oncogenic role of PRL-3 in classical Hodgkin lymphoma (cHL). Methods: PRL-3 expression was measured in 25 cHL patients by immunohistochemistry and gene expression was analyzed from microdissected malignant cells...
2018: Experimental Hematology & Oncology
https://www.readbyqxmd.com/read/29642945/rna-sequencing-of-murine-mammary-epithelial-stem-like-cells-hc11-undergoing-lactogenic-differentiation-and-its-comparison-with-embryonic-stem-cells
#7
Trinadha Rao Sornapudi, Rakhee Nayak, Prashanth Kumar Guthikonda, Srinivas Kethavath, Sailu Yellaboina, Sreenivasulu Kurukuti
OBJECTIVES: Understanding of transcriptional networks specifying HC11 murine mammary epithelial stem cell-like cells (MEC) in comparison with embryonic stem cells (ESCs) and their rewiring, under the influence of glucocorticoids (GC) and prolactin (PRL) hormones, is critical for elucidating the mechanism of lactogenesis. In this data note, we provide RNA sequencing data from murine MECs and ESCs, MECs treated with steroid hormone alone and in combination with PRL. This data could help in understanding temporal dynamics of mRNA transcription that impact the process of lactogenesis associated with mammary gland development...
April 11, 2018: BMC Research Notes
https://www.readbyqxmd.com/read/29625472/visual-cortex-activation-in-patients-with-stargardt-disease
#8
Paolo Melillo, Anna Prinster, Valentina Di Iorio, Gaia Olivo, Francesco Maria D'Alterio, Sirio Cocozza, Ada Orrico, Mario Quarantelli, Francesco Testa, Arturo Brunetti, Francesca Simonelli
Purpose: Primary visual cortex (PVC) contains a retinotopic map in which the central visual field (CVF) is highly magnified compared to the peripheral field. Several studies have used functional magnetic resonance imaging (fMRI) in patients with macular degeneration to assess the reorganization of visual processing in relationship with the development of extrafoveal preferred retinal locus (PRL). We evaluated the functional response in PVC and its correlation with retinal parameters in patients with Stargardt disease due to ABCA4 mutations (STGD1)...
March 1, 2018: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/29622766/olfactory-marker-protein-regulates-prolactin-secretion-and-production-by-modulating-ca-2-and-trh-signaling-in-lactotrophs
#9
Chan Woo Kang, Ye Eon Han, Mi Kyung Lee, Yoon Hee Cho, NaNa Kang, JaeHyung Koo, Cheol Ryong Ku, Eun Jig Lee
Olfactory marker protein (OMP) is a marker of olfactory receptor-mediated chemoreception, even outside the olfactory system. Here, we report that OMP expression in the pituitary gland plays a role in basal and thyrotropin-releasing hormone (TRH)-induced prolactin (PRL) production and secretion. We found that OMP was expressed in human and rodent pituitary glands, especially in PRL-secreting lactotrophs. OMP knockdown in GH4 rat pituitary cells increased PRL production and secretion via extracellular signal-regulated kinase (ERK)1/2 signaling...
April 6, 2018: Experimental & Molecular Medicine
https://www.readbyqxmd.com/read/29615476/neuronostatin-exerts-actions-on-pituitary-that-are-unique-from-its-sibling-peptide-somatostatin
#10
Raul M Luque, Rhonda D Kineman
Neuronostatin, a somatostatin gene-encoded peptide, exerts important physiological and metabolic actions in diverse tissues. However, the direct biological effects of neuronostatin on pituitary function of humans and primates are still unknown. This study used baboon (Papio anubis) primary pituitary cell cultures, a species that closely models human physiology, to demonstrate that neuronostatin inhibits basal, but not ghrelin-/GnRH-stimulated, GH and LH secretion in a dose- and time-dependent fashion, without affecting the secretion of other pituitary hormones (prolactin, ACTH, FSH, TSH) or changing mRNA levels...
April 3, 2018: Journal of Endocrinology
https://www.readbyqxmd.com/read/29610151/multi-level-differential-control-of-hormone-gene-expression-programs-by-hnrnp-l-and-ll-in-pituitary-cells
#11
Lei Lei, Wenguang Cao, Ling Liu, Urmi Das, Yujia Wu, Guodong Liu, Muhammad Sohail, Yangjun Chen, Jiuyong Xie
The pituitary-derived somatolactotrophe GH3 cells secrete both growth hormone (GH) and prolactin (PRL). We have found that the hnRNP L and L-like (LL) paralogs differentially regulate alternative splicing of genes in these cells. Here we show that hnRNP L is essential for PRL only, but LL for both PRL and GH production. Transcriptome-wide RNA-seq analysis indicates that they differentially control groups of hormone or hormone-related genes involved in hormone production/regulation at total transcript and alternative exon levels...
April 2, 2018: Molecular and Cellular Biology
https://www.readbyqxmd.com/read/29601978/prolactin-regulatory-element-binding-preb-protein-regulates-hepatic-glucose-homeostasis
#12
Joo-Man Park, Mi-Young Kim, Tae-Hyun Kim, Dong-Kook Min, Ga Eul Yang, Yong-Ho Ahn
Prolactin regulatory element-binding (PREB) protein is a transcription factor that regulates prolactin (PRL) gene expression. PRL, also known as luteotropic hormone or luteotropin, is well known for its role in producing milk. However, the role of PREB, in terms of hepatic glucose metabolism, is not well elucidated. Here, we observed expression of Preb in the mouse liver, in connection with glucose homeostasis. Morevoer, Preb was downregulated in db/db, ob/ob and high-fat diet-induced obese (DIO) mice, concurrent with upregulation of the liver genes glucose-6-phosphatase (G6pc) and phosphoenolpyruvate carboxykinase-1 (Pck)...
March 28, 2018: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/29596024/autocrine-actions-of-prolactin-contribute-to-the-regulation-of-lactotroph-function-in-vivo
#13
Valérie Bernard, Sophie Lamothe, Isabelle Beau, Anne Guillou, Agnès Martin, Paul Le Tissier, David Grattan, Jacques Young, Nadine Binart
Prolactin (PRL), whose principal role is regulation of lactation, is mainly synthesized and secreted by lactotroph anterior pituitary cells. Its signaling is exerted via a transmembrane PRL receptor (PRLR) expressed in a wide variety of tissues, including the anterior pituitary. Dopamine, which is secreted by tuberoinfundibular hypothalamic neurons, is the major inhibitory regulator of prolactin secretion. Although PRL is well established to stimulate hypothalamic dopamine secretion, thereby exerting a negative feedback regulation on its own release, autocrine or paracrine actions of PRL on lactotroph cells have also been suggested...
March 29, 2018: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/29594259/17-%C3%AE-estradiol-and-ici182-780-differentially-regulate-stat5-isoforms-in-female-mammary-epithelium-with-distinct-outcomes
#14
Fatou Jallow, Jennifer L Brockman, Kyle T Helzer, Debra E Rugowski, Vincent Goffin, Elaine T Alarid, Linda A Schuler
Prolactin (PRL) and estrogen cooperate in lobuloalveolar development of the mammary gland and jointly regulate gene expression in breast cancer cells in vitro . Canonical PRL signaling activates STAT5A/B, homologous proteins that have different target genes and functions. Although STAT5A/B are important for physiological mammary function and tumor pathophysiology, little is known about regulation of their expression, particularly of STAT5B, and the consequences for hormone action. In this study, we examined the effect of two estrogenic ligands, 17 β -estradiol (E2) and the clinical antiestrogen, ICI182,780 (ICI, fulvestrant) on expression of STAT5 isoforms and resulting crosstalk with PRL in normal and tumor murine mammary epithelial cell lines...
March 1, 2018: Journal of the Endocrine Society
https://www.readbyqxmd.com/read/29582473/prolactin-as-a-candidate-sebotrop-h-ic-hormone
#15
Ewan A Langan, Eleanor Hinde, Ralf R Paus
Recognised for its key role in lactation, it is less well-appreciated that the neurohormone prolactin (PRL) is actually one of the most pleiotropic hormones known. Not only does PRL exert both tropic and trophic effects in a wide range of tissues, but it is also expressed in human skin and hair follicles and regulates multiple complex cutaneous functions, including keratin expression and hair growth. Despite several clinical indications that PRL may also play a role in sebaceous gland SG biology, the effects of PRL on SG have received little attention...
March 27, 2018: Experimental Dermatology
https://www.readbyqxmd.com/read/29573471/reward-learning-impairment-and-avoidance-and-rumination-responses-at-the-end-of-engage-therapy-of-late-life-depression
#16
Lindsay W Victoria, Faith M Gunning, Jennifer N Bress, Danielle Jackson, George S Alexopoulos
OBJECTIVES: This study examined the association between reward processing, as measured by performance on the probabilistic reversal learning (PRL) task and avoidance/rumination in depressed older adults treated with Engage, a psychotherapy that uses "reward exposure" to increase behavioral activation. METHODS: Thirty older adults with major depression received 9 weeks of Engage treatment. At baseline and treatment end, the 24-item Hamilton Depression Rating Scale (HAM-D) was used to assess depression severity and the Behavioral Activation for Depression Scale (BADS) to assess behavioral activation and avoidance/rumination...
March 24, 2018: International Journal of Geriatric Psychiatry
https://www.readbyqxmd.com/read/29564231/preliminary-study-on-the-antimicrobial-susceptibility-pattern-related-to-the-genotype-of-vibrio-vulnificus-strains-isolated-in-the-north-western-adriatic-sea-coastal-area
#17
Patrizia Serratore, Emanuele Zavatta, Eleonora Fiocchi, Emanuele Serafini, Andrea Serraino, Federica Giacometti, Giorgia Bignami
V. vulnificus is a Gram-negative bacterium, commonly found in estuarine and coastal habitats, that can infect humans through seafood consumption or wound exposure. This study represents the first attempt to correlate the genotype of Vibrio vulnificus strains isolated in the north-western Adriatic Sea coastal area, with their antimicrobial susceptibility patterns. On the whole, 40 V. vulnificus strains, isolated from shellfish (n=20), different coastal water bodies (n=19), and the blood of a Carretta carretta turtle (n=1), were utilized...
October 20, 2017: Italian Journal of Food Safety
https://www.readbyqxmd.com/read/29561506/contrast-sensitivity-in-eyes-with-central-scotoma-effect-of-stimulus-drift
#18
Peter Lewis, Abinaya Priya Venkataraman, Linda Lundström
SIGNIFICANCE: In the field of visual rehabilitation of patients with central visual field loss (CFL), knowledge on how peripheral visual function can be improved is essential. This study presents measurements of peripheral dynamic contrast sensitivity (with optical correction) for off-axis viewing angles in subjects with CFL. PURPOSE: Subjects with CFL rely on a peripheral preferred retinal locus (PRL) for many visual tasks. It is therefore important to ascertain that contrast sensitivity (CS) is maximized in the PRL...
March 21, 2018: Optometry and Vision Science: Official Publication of the American Academy of Optometry
https://www.readbyqxmd.com/read/29556339/prl-3-is-a-potential-glioblastoma-prognostic-marker-and-promotes-glioblastoma-progression-by-enhancing-mmp7-through-the-erk-and-jnk-pathways
#19
Nan Mu, Jintao Gu, Nannan Liu, Xiaochang Xue, Zhen Shu, Kuo Zhang, Tonglie Huang, Chu Chu, Wangqian Zhang, Li Gong, Huadong Zhao, Bo Jia, Dakuan Gao, Lei Shang, Wei Zhang, Qingdong Guo
Purpose: Glioblastoma is the most common and aggressive type of primary brain malignancy and is associated with a poor prognosis. Previously, we found that phosphatase of regenerating liver-3 (PRL-3) was significantly up-regulated in glioblastoma as determined by a microarray analysis. However, the function of PRL-3 in glioblastoma remains unknown. We aimed to investigate the clinical relationship between PRL-3 and glioblastoma, and uncover the mechanisms of PRL-3 in the process of glioblastoma. Methods: PRL-3 expression was evaluated in 61 glioblastoma samples and 4 cell lines by RT-qPCR and immunohistochemistry...
2018: Theranostics
https://www.readbyqxmd.com/read/29546691/cabergoline-versus-bromocriptine-for-the-treatment-of-giant-prolactinomas-a-quantitative-and-systematic-review
#20
Hai Yan Huang, Shao Jian Lin, Wei Guo Zhao, Zhe Bao Wu
The aim of this study is to compare the efficacy of bromocriptine (BRC) versus cabergoline (CAB) in patients with giant prolactinomas. We searched MEDLINE, EMBASE, CENTRAL and Clinical Trials.gov for studies dated before March 1st, 2016, that used BRC or CAB for the treatment of patients with giant prolactinomas. Specific eligibility criteria were set to identify articles and cases. The selected articles were reviewed, and the data were extracted for analysis. The compared outcomes included tumor shrinkage, tumor response, normalization of prolactin (PRL) level, and visual field defect (VFD) improvement...
March 15, 2018: Metabolic Brain Disease
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