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Uterine metabolism

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https://www.readbyqxmd.com/read/29210631/uterine-function-from-normal-to-polycystic-ovarian-syndrome-alterations
#1
Silvana Rocio Ferreira, Alicia Beatriz Motta
BACKGROUND: The endometrium is one of the most important female reproductive organs. Polycystic ovarian syndrome (PCOS) is a reproductive and endocrine pathology that affect women of reproductive age. PCOS negatively affects the endometrium, leading to implantation failure and proliferative aberrations. METHODS: We conducted a search at the http://www.ncbi.nlm.nhi.gov/pubmed/electronic database using the following key words: endometrial steroid receptors, endometrium, uterine function, endometrium and PCOS, implantation window, implantation and PCOS, implantation markers, inflammation, oxidative stress...
December 5, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/29207565/delivery-mode-and-the-transition-of-pioneering-gut-microbiota-structure-composition-and-predicted-metabolic-function
#2
Noel T Mueller, Hakdong Shin, Aline Pizoni, Isabel C Werlang, Ursula Matte, Marcelo Z Goldani, Helena A S Goldani, Maria G Dominguez-Bello
Cesarean (C-section) delivery, recently shown to cause excess weight gain in mice, perturbs human neonatal gut microbiota development due to the lack of natural mother-to-newborn transfer of microbes. Neonates excrete first the in-utero intestinal content (referred to as meconium) hours after birth, followed by intestinal contents reflective of extra-uterine exposure (referred to as transition stool) 2 to 3 days after birth. It is not clear when the effect of C-section on the neonatal gut microbiota emerges...
December 4, 2017: Genes
https://www.readbyqxmd.com/read/29196239/insulin-and-branched-chain-amino-acid-depletion-during-mouse-preimplantation-embryo-culture-programmes-body-weight-gain-and-raised-blood-pressure-during-early-postnatal-life
#3
Miguel A Velazquez, Bhavwanti Sheth, Stephanie J Smith, Judith J Eckert, Clive Osmond, Tom P Fleming
Mouse maternal low protein diet exclusively during preimplantation development (Emb-LPD) is sufficient to programme altered growth and cardiovascular dysfunction in offspring. Here, we use an in vitro model comprising preimplantation culture in medium depleted in insulin and branched-chain amino acids (BCAA), two proposed embryo programming inductive factors from Emb-LPD studies, to examine the consequences for blastocyst organisation and, after embryo transfer (ET), postnatal disease origin. Two-cell embryos were cultured to blastocyst stage in defined KSOM medium supplemented with four combinations of insulin and BCAA concentrations...
November 28, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/29190387/chronic-hyperandrogenemia-in-the-presence-and-absence-of-a-western-style-diet-impairs-ovarian-and-uterine-structure-function-in-young-adult-rhesus-monkeys
#4
Cecily V Bishop, Emily C Mishler, Diana L Takahashi, Taylor E Reiter, Kise R Bond, Cadence A True, Ov D Slayden, Richard L Stouffer
STUDY QUESTION: Does chronic hyperandrogenemia beginning at menarche, in the absence and presence of a western-style diet (WSD), alter ovarian and uterine structure-function in young adult rhesus monkeys? SUMMARY ANSWER: Phenotypic alterations in ovarian and uterine structure/function were induced by exogenous testosterone (T), and compounded in the presence of a WSD (T+WSD). WHAT IS KNOWN ALREADY: Hyperandrogenemia is a well-established component of PCOS and is observed in adolescent girls, indicating a potential pubertal onset of disease symptoms...
November 28, 2017: Human Reproduction
https://www.readbyqxmd.com/read/29184814/hypoglycemia-in-the-preterm-neonate-etiopathogenesis-diagnosis-management-and-long-term-outcomes
#5
REVIEW
Anudeepa Sharma, Ajuah Davis, Prem S Shekhawat
Glucose, like oxygen, is of fundamental importance for any living being and it is the major energy source for the fetus and the neonate during gestation. The placenta ensures a steady supply of glucose to the fetus, while birth marks a sudden change in substrate delivery and a major change in metabolism. Hypoglycemia is one of the most common pathologies encountered in the neonatal intensive care unit and affects a wide range of neonates. Preterm, small for gestational age (GA) and intra-uterine growth restricted neonates are especially vulnerable due to their lack of metabolic reserves and associated co-morbidities...
October 2017: Translational pediatrics
https://www.readbyqxmd.com/read/29183580/responses-in-reproductive-organs-steroid-hormones-and-cyp450-enzymes-in-female-mongolian-gerbil-meriones-unguiculatus-over-time-after-quinestrol-treatment
#6
Qian-Qian Su, Yi Chen, Jiao Qin, Tong-Liang Wang, De-Hua Wang, Quan-Sheng Liu
The aim of this study was to assess the effects and reversibility of the synthetic estrogen compound, quinestrol, on the reproductive organs, steroid hormones, and drug-metabolizing enzymes CYP3A4 and CYP1A2 in liver and kidney over time after two quinestrol treatments in female Mongolian gerbils (Meriones unguiculatus). Female gerbils were treated with 4mg/kg quinestrol (9 gerbils/group, 3 treated group) (1 control group, 0mg/kg) for 3days and treated again after 25days. Animals were killed for collection of samples at 5, 10 and 15days after the second treatment ending...
November 2017: Pesticide Biochemistry and Physiology
https://www.readbyqxmd.com/read/29174158/lipids-as-regulators-of-conceptus-development-implications-for-metabolic-regulation-of-reproduction-in-dairy-cattle
#7
Eduardo S Ribeiro
Pregnancy losses are substantial in dairy cattle and threaten reproductive efficiency. A substantial proportion of these losses occur during early stages of conceptus development, including the elongation phase. Elongation of the preimplantation conceptus is a prerequisite for maternal recognition, implantation, and survival of pregnancy. The onset of elongation occurs when concentrations of lipids in endometrial epithelial cells are increased, and it requires substantial coordination of lipid metabolism by conceptus cells...
November 22, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/29156519/in-vivo-assessment-of-the-osteo-protective-effects-of-eugenol-in-alveolar-bone-tissues
#8
Hatem M Abuohashish, Dina A Khairy, Maha M Abdelsalam, Ahmed Alsayyah, Mohammed M Ahmed, Salim S Al-Rejaie
Estrogen deficiency following menopausal provokes alveolar bone loss, remodeling and inflammation. Eugenol is a phenolic compound with wide dental applications and anti-inflammatory properties. In the present study, the potential protective role of eugenol against alveolar bone deformities was investigated in an ovariectomized (OVX) rodent model. Two doses of eugenol (2.5 and 5 mg/kg/d) were administered to OVX animals for 12 weeks. In Serum, markers of bone metabolism and pro-inflammatory cytokines were estimated using ELISA...
November 14, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29153568/maternal-obesity-and-cardiac-development-in-the-offspring-study-in-human-neonates-and-minipigs
#9
Maria Angela Guzzardi, Tiziana Liistro, Luna Gargani, Lamia Ait Ali, Gennaro D'Angelo, Silvia Rocchiccioli, Federica La Rosa, Alessandra Kemeny, Elena Sanguinetti, Nadia Ucciferri, Mariarosaria De Simone, Antonietta Bartoli, Pierluigi Festa, Piero A Salvadori, Silvia Burchielli, Rosa Sicari, Patricia Iozzo
OBJECTIVES: The aim of this study was to investigate the consequences of maternal overweight on cardiac development in offspring in infants (short term) and minipigs (short and longer term). BACKGROUND: The epidemic of overweight involves pregnant women. The uterine environment affects organ development, modulating disease susceptibility. Offspring of obese mothers have higher rates of cardiovascular events and mortality. METHODS: Echocardiography was performed in infants born to lean and overweight mothers at birth and at 3, 6, and 12 months of age...
November 10, 2017: JACC. Cardiovascular Imaging
https://www.readbyqxmd.com/read/29151980/synbiotic-effects-of-%C3%AE-glucans-from-cauliflower-mushroom-and-lactobacillus-fermentum-on-metabolic-changes-and-gut-microbiome-in-estrogen-deficient-rats
#10
Seong-Yeop Jeong, Suna Kang, Cao Shi Hua, Zhang Ting, Sunmin Park
Background: We investigated whether the long-term consumption of a symbiotic formulation with Lactobacillus fermentum (probiotic) and β-glucan from cauliflower mushroom (prebiotic) would delay the progression of post-menopausal symptoms in ovariectomized (OVX) rats and explored their mechanisms of action, including changes in gut microbiota. Methods: OVX rats were fed with high-fat diets containing 1% dextrin (control), 1% lyophilized cauliflower mushroom extract (CFM), 0...
2017: Genes & Nutrition
https://www.readbyqxmd.com/read/29149020/role-of-transforming-growth-factor-%C3%AE-in-uterine-fibroid-biology
#11
REVIEW
Michał Ciebiera, Marta Włodarczyk, Małgorzata Wrzosek, Błażej Męczekalski, Grażyna Nowicka, Krzysztof Łukaszuk, Magdalena Ciebiera, Aneta Słabuszewska-Jóźwiak, Grzegorz Jakiel
Uterine fibroids (UFs) are benign tumors of the female genital tract made of the smooth muscle of the uterus. UF growth depends mostly on the influence of the steroid hormones and selected growth factors. Transforming growth factor β (TGF-βs) is a polypeptide that consists of three isoforms: TGF-β1, TGF-β2, and TGF-β3. At present, TGF-β is considered to be one of the key factors in the pathophysiology of UFs. It plays a major role in cellular migration within the tumor, stimulates tumor growth, and enhances tumor metabolism...
November 17, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29133293/il-33-responsive-group-2-innate-lymphoid-cells-are-regulated-by-female-sex-hormones-in-the-uterus
#12
Kathleen Bartemes, Chien-Chang Chen, Koji Iijima, Li Drake, Hirohito Kita
Group 2 innate lymphoid cells (ILC2s) reside in multiple organs in the body, where they play roles in immunity, tissue homeostasis, and metabolic regulation. However, little is known about the regulatory mechanisms of ILC2s in different organs. Here, we identified ILC2s in the mouse uterus and found that they express cell surface molecules, including the IL-33 receptor, ST2, that are roughly comparable to those expressed by lung ILC2s. Both in vivo and in vitro treatment with IL-33 induced type 2 cytokine production in uterine ILC2s, suggesting that they respond to IL-33 in a manner similar to ILC2s in other organs...
November 13, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/29130003/spontaneous-tumor-lysis-syndrome-due-to-uterine-leiomyosarcoma-with-lung-metastases
#13
Vivek Alaigh, Debapriya Datta
Tumor lysis syndrome (TLS) is an oncologic emergency characterized by a combination of metabolic derangements (hyperuricemia, hyperkalemia, hyperphosphatemia, and hypocalcemia) caused by rapid turnover from cell destruction in certain cancers. These metabolic derangements can lead to seizures, cardiac arrhythmias, renal failure, and death. TLS is usually seen after the initiation of chemotherapy for hematologic malignancies. TLS occurring spontaneously, without initiation of chemotherapy, is rare and its occurrence in solid tumors is rarer still...
2017: Case Reports in Critical Care
https://www.readbyqxmd.com/read/29127647/o-glcnacylation-in-women-s-cancers-breast-endometrial-and-ovarian
#14
REVIEW
Gloria M Trinca, Christy R Hagan
O-GlcNAcylation is emerging as a critical regulatory post-translational modification, impacting proteins that regulate cell division, apoptosis, metabolism, cell signaling, and transcription. O-GlcNAc also affects biological homeostasis by integrating information coming from the environment, such as nutrient conditions and extracellular stimuli, with cellular response. Aberrant O-GlcNAc modulation has been linked to metabolic and neurodegenerative diseases, as well as cancers. While many studies have highlighted the significance of O-GlcNAc in cancer, a specific function for O-GlcNAc during tumorigenesis remains unclear and seems to differ according to cancer type...
November 10, 2017: Journal of Bioenergetics and Biomembranes
https://www.readbyqxmd.com/read/29112458/review-detrimental-effects-of-alcohol-exposure-around-conception-putative-mechanisms
#15
Jacinta I Kalisch-Smith, Karen M Moritz
In western countries, alcohol consumption is widespread in women of reproductive age, and in binge quantities. These countries also continue to have high incidences of unplanned pregnancies, with women often reported to cease drinking after discovering their pregnancy. This suggests the early embryo may be highly exposed to the detrimental effects of alcohol during this periconceptional period. The periconception and pre-implantation windows which includes maturation of the oocyte, fertilisation and morphogenesis of the pre-implantation embryo, are particularly sensitive times of development...
November 7, 2017: Biochemistry and Cell Biology, Biochimie et Biologie Cellulaire
https://www.readbyqxmd.com/read/29073636/global-metabolomic-profiling-of-uterine-leiomyomas
#16
Hanna-Riikka Heinonen, Miika Mehine, Netta Mäkinen, Annukka Pasanen, Esa Pitkänen, Auli Karhu, Nanna S Sarvilinna, Jari Sjöberg, Oskari Heikinheimo, Ralf Bützow, Lauri A Aaltonen, Eevi Kaasinen
BACKGROUND: Uterine leiomyomas can be classified into molecularly distinct subtypes according to their genetic triggers: MED12 mutations, HMGA2 upregulation, or inactivation of FH. The aim of this study was to identify metabolites and metabolic pathways that are dysregulated in different subtypes of leiomyomas. METHODS: We performed global metabolomic profiling of 25 uterine leiomyomas and 17 corresponding myometrium specimens using liquid chromatography-tandem mass spectroscopy...
October 26, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/29057034/oxidative-stress-and-endometriosis-a-systematic-review-of-the-literature
#17
REVIEW
Gennaro Scutiero, Piergiorgio Iannone, Giulia Bernardi, Gloria Bonaccorsi, Savino Spadaro, Carlo Alberto Volta, Pantaleo Greco, Luigi Nappi
Endometriosis is one of the most common gynaecologic diseases in women of reproductive age. It is characterized by the presence of endometrial tissue outside the uterine cavity. The women affected suffer from pelvic pain and infertility. The complex etiology is still unclear and it is based on three main theories: retrograde menstruation, coelomic metaplasia, and induction theory. Genetics and epigenetics also play a role in the development of endometriosis. Recent studies have put the attention on the role of oxidative stress, defined as an imbalance between reactive oxygen species (ROS) and antioxidants, which may be implicated in the pathophysiology of endometriosis causing a general inflammatory response in the peritoneal cavity...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/29048660/canonical-and-non-canonical-wnt-signaling-in-cancer-stem-cells-and-their-niches-cellular-heterogeneity-omics-reprogramming-targeted-therapy-and-tumor-plasticity-review
#18
Masaru Katoh
Cancer stem cells (CSCs), which have the potential for self-renewal, differentiation and de-differentiation, undergo epigenetic, epithelial-mesenchymal, immunological and metabolic reprogramming to adapt to the tumor microenvironment and survive host defense or therapeutic insults. Intra-tumor heterogeneity and cancer-cell plasticity give rise to therapeutic resistance and recurrence through clonal replacement and reactivation of dormant CSCs, respectively. WNT signaling cascades cross-talk with the FGF, Notch, Hedgehog and TGFβ/BMP signaling cascades and regulate expression of functional CSC markers, such as CD44, CD133 (PROM1), EPCAM and LGR5 (GPR49)...
September 19, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/29041862/impact-of-chronic-maternal-stress-during-early-gestation-on-maternal-fetal-stress-transfer-and-fetal-stress-sensitivity-in-sheep
#19
Michelle Dreiling, Rene Schiffner, Sabine Bischoff, Sven Rupprecht, Nasim Kroegel, Harald Schubert, Otto W Witte, Matthias Schwab, Florian Rakers
Acute stress-induced reduction of uterine blood flow (UBF) is an indirect mechanism of maternal-fetal stress transfer during late gestation. Effects of chronic psychosocial maternal stress (CMS) during early gestation, as may be experienced by many working women, on this stress signaling mechanism are unclear. We hypothesized that CMS in sheep during early gestation augments later acute stress-induced decreases of UBF, and aggravates the fetal hormonal, cardiovascular, and metabolic stress responses during later development...
October 18, 2017: Stress: the International Journal on the Biology of Stress
https://www.readbyqxmd.com/read/28982184/uptake-and-release-of-amino-acids-in-the-fetal-placental-unit-in-human-pregnancies
#20
Maia Blomhoff Holm, Nasser Ezzatkhah Bastani, Ane Moe Holme, Manuela Zucknick, Thomas Jansson, Helga Refsum, Lars Mørkrid, Rune Blomhoff, Tore Henriksen, Trond Melbye Michelsen
OBJECTIVES: The current concepts of human fetal-placental amino acid exchange and metabolism are mainly based on animal-, in vitro- and ex vivo models. We aimed to determine and assess the paired relationships between concentrations and arteriovenous differences of 19 amino acids on the maternal and fetal sides of the human placenta in a large study sample. METHODS: This cross-sectional in vivo study included 179 healthy women with uncomplicated term pregnancies...
2017: PloS One
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