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Hormone replacement

Changhwan Seo, Seonghun Kim, Misol Lee, Min-Uk Cha, Hyoungnae Kim, Seohyun Park, Hae-Ryong Yun, Jong Hyun Jhee, Youn Kyung Kee, Seung Hyeok Han, Tae-Hyun Yoo, Shin-Wook Kang, Jung Tak Park
OBJECTIVE: Patients with diabetic nephropathy (DMN) have an increased risk of cardiovascular disease (CVD). However, strategies to reduce this risk are limited. Thyroid hormone replacement therapy (THRT) in patients with hypothyroidism has been shown to reduce several surrogate markers of CVD. Therefore, we performed a study to determine if THRT would reduce CVD risk in patients with subclinical hypothyroidism (SCH) and DMN. METHODS: This was a retrospective, nonrandomized study of patients with type 2 diabetes, DMN, and SCH...
March 2018: Endocrine Practice
Fausta Beneventi, Elena Locatelli, Margherita Simonetta, Chiara Cavagnoli, Raffaella Pampuri, Camilla Bellingeri, Irene De Maggio, Beatrice Ruspini, Santina Recupero, Giovanna Giorgiani, Arsenio Spinillo
To study vaginal development and sexual functioning in young women after childhood hemopoietic stem cell transplantation (HSCT) and radio/chemotherapy. Observational case-control study on 30 young sexually active women survived after HSCT and/or radio/chemotherapy for childhood malignancies or hematologic diseases and 48 controls matched for age. Female Sexual Function Index was lower (median 24.05, IQR = 17.30-28.30 vs. 29.00, IQR = 25.30-31.40, p = 0.001), Female Sexual Distress Scale higher (median 16...
March 15, 2018: Bone Marrow Transplantation
Ekaterina M Savelieva, Vladimir E Oslovsky, Dmitry S Karlov, Nikolay N Kurochkin, Irina A Getman, Sergey N Lomin, Georgy V Sidorov, Sergey N Mikhailov, Dmitry I Osolodkin, Georgy A Romanov
Biological effects of hormones in both plants and animals are based on high-affinity interaction with cognate receptors resulting in their activation. The signal of cytokinins, classical plant hormones, is perceived in Arabidopsis by three homologous membrane receptors: AHK2, AHK3, and CRE1/AHK4. To study the cytokinin-receptor interaction, we used 25 derivatives of potent cytokinin N6 -benzyladenine (BA) with substituents in the purine heterocycle and/or in the side chain. The study was focused primarily on individual cytokinin receptors from Arabidopsis...
March 12, 2018: Phytochemistry
Laurence Dufourny, Oona Delmas, Ana-Paula Teixeira-Gomes, Caroline Decourt, Joanna H Sliwowska
Somatostatin (SST) a neuropeptide involved in the central modulation of several physiological functions, is co-distributed in the same hypothalamic areas as kisspeptin (KP), the most potent secretagogue of the gonadotropin-releasing hormone (GnRH) secretion known to date. As SST infused intracerebroventricularly (icv) evoked a potent inhibition of GnRH release, we explored neuroanatomical relationships between KP and SST populations in male and female rats. For that, intact males and ovariectomised oestradiol-replaced females were killed and their brains processed in order to simultaneously detect KP, SST and synapsin, a marker for synapses...
March 15, 2018: Journal of Neuroendocrinology
Cmg van Driel, A S Stuursma, M J Schroevers, Mje Mourits, G H de Bock
BACKGROUND: During menopause women experience vasomotor and psychosexual symptoms that cannot entirely be alleviated with hormone replacement therapy (HRT). Besides, HRT is contraindicated after breast cancer. OBJECTIVES: To review the evidence on the effectiveness of psychological interventions in reducing symptoms associated with menopause in natural or treatment-induced menopausal women. SEARCH STRATEGY: Medline/Pubmed, PsycINFO, EMBASE and AMED were searched until June 2017...
March 15, 2018: BJOG: An International Journal of Obstetrics and Gynaecology
C Ling, Q Sun, J Khang, M Felipa Lastarria, J Strong, B Stolze, X Yu, T P Parikh, M A Waldman, K Welsh, J Jonklaas, L Masika, S J Soldin
Objectives: To evaluate the reliability of normal Thyroid Stimulating Hormone (TSH) as a thyroid function test and assess the effect of Adrenocorticotropic Hormone (ACTH) on serum TSH concentration. Design and Methods: Patients presenting to the National Institutes of Health Department of Endocrinology outpatient clinic with symptoms consistent with hypothyroidism were identified. Thyroid hormone concentrations were measured by liquid chromatography/tandem mass spectrometry and immunoassay...
2018: Annals of Thyroid Research
A D Toft
No abstract text is available yet for this article.
December 2017: Journal of the Royal College of Physicians of Edinburgh
Annegret Tautenhahn, Stefanie Binder, Madlen Pilz, Gerhard Thiele
The present case describes an unusual lactation of a 15-month-old,unbred Holstein-Friesian heifer, which had four swollen, ampouleshaped udder quarters with milk secretion. Examination of the heifer using rectal palpation and transrectal ultrasonography revealed enlargement of the right ovary and partial replacement of original tissue by multiple cysts of variable size. Treatment of the assumed follicularcystic ovary disease was unsuccessful. At slaughter 8 months later, the ovaries were examined pathologically and a granulosa cell tumor on the right ovary was diagnosed...
February 2018: Tierärztliche Praxis. Ausgabe G, Grosstiere/Nutztiere
Takumi Oti, Keiko Takanami, Saya Ito, Takashi Ueda, Ken Ichi Matsuda, Mitsuhiro Kawata, Jintetsu Soh, Osamu Ukimura, Tatsuya Sakamoto, Hirotaka Sakamoto
The gastrin-releasing peptide (GRP) system in the lumbosacral spinal cord controls male sexual function in rats. In contrast, in female rats, GRP neurons could scarcely be detected around puberty when circulating ovarian steroid hormones such as estradiol and progesterone levels are increasing. However, little information is available on feminizing or demasculinizing effects of ovarian steroids on the central nervous system in female puberty and adulthood. In this study, to visualize the spinal GRP neurons in vivo, we have generated a GRP-promoter-Venus transgenic (Tg) rat line, and studied the effects of the sex steroid hormones on GRP expression in the rat lumbar cord by examining the Venus fluorescence...
March 8, 2018: Endocrinology
Tiffany Yang, Nu-Chu Liang
Physical inactivity and increased consumption of energy dense, high fat (HF) foods often leads to a state of positive energy balance. Regular exercise can facilitate the maintenance of a healthy body weight and mediate changes in dietary selection. Past studies using a two-diet choice (chow vs. HF) and voluntary wheel running paradigm found that when a novel HF diet and wheel running are simultaneously introduced, male rats show complete and persistent HF diet avoidance whereas the majority of females show HF diet avoidance for a few days, but then revert to HF diet preference...
March 9, 2018: Hormones and Behavior
Kavitha Vellanki, Susan Hou
Most women with dialysis-dependent chronic kidney disease (CKD) stage 5 (CKD stage 5D) are in the postmenopausal age group. Early menopause is reported for all CKD stages (stages 3-5D). The traditional definition of menopause is not applicable in CKD stage 5(D) because menses can resume with hormone replacement therapy or kidney transplantation. Treatment of vasomotor symptoms continues to be the primary indication for hormone replacement therapy, with no dosing studies done specifically for CKD or kidney transplantation populations...
March 9, 2018: American Journal of Kidney Diseases: the Official Journal of the National Kidney Foundation
Jeong-Min Lee, Jeonghoon Ha, Kwanhoon Jo, Yejee Lim, Min-Hee Kim, Chan-Kwan Jung, So-Lyung Jung, Moo-Il Kang, Bong-Yun Cha, Dong-Jun Lim
Background/Aims: Lymphocytic thyroiditis as cytology diagnosis from fine needle aspiration (FNA) is frequently detected in patients with thyroid nodules. However, the clinical outcome for upcoming hypothyroid events has been rarely clarified in euthyroid patients. Methods: We retrospectively reviewed the data of patient who had lymphocytic thyroitidis on FNA cytology of thyroid nodule from January 2005 to December 2010 at a tertiary referral hospital. In total, 109 patients with follow-up thyroid function tests (TFT) were enrolled...
March 13, 2018: Korean Journal of Internal Medicine
Aimee Medeiros, Elizabeth Siegel Watkins
In recent years, historians have turned their attention to the emergence of anti-aging medicine, suggesting that this interest group coalesced in the wake of widespread availability of recombinant human growth hormone (HGH) after 1985. We take a longer view of modern anti-aging medicine, unearthing a nexus of scientific, medical, and cultural factors that developed over several decades in the twentieth century to produce circumstances conducive to the emergence of this medical sub-specialty established on the premise of the anti-aging effects of HGH...
February 24, 2018: Journal of the History of Medicine and Allied Sciences
Thomas C Winter
No abstract text is available yet for this article.
March 2018: Radiographics: a Review Publication of the Radiological Society of North America, Inc
Susana Gonzalez, Thozhukat Sathyapalan, Zeeshan Javed, Stephen L Atkin
Objective: The aim of this study is to evaluate the effect of growth hormone therapy (rGH) on mitochondrial function on peripheral muscle and to correlate with exercise capacity in subjects with severe adult growth hormone deficiency (GHD). Design: Six months, double-blind, randomized, crossover, placebo-controlled trial of subcutaneous rGH in 17 patients with GHD. Measurements: Quadriceps muscle biopsies were obtained at baseline, 3 months, and 6 months to measure succinate dehydrogenase (SDH) to assess mitochondrial activity...
2018: Frontiers in Endocrinology
E Nicole Wilson, Marc Anderson, Brina Snyder, Phong Duong, Jenny Trieu, Derek A Schreihofer, Rebecca L Cunningham
Sleep apnea is a common sleep disorder characterized by intermittent periods of low blood oxygen levels. The risk for sleep apnea increases with age and is more prevalent in men than women. A common comorbidity of sleep apnea includes male sexual dysfunction, but it is not clear if a causal relationship exists between sleep apnea and sexual dysfunction. Possible mechanisms that link these two disorders include oxidative stress and testosterone. Oxidative stress is elevated in clinical patients with sleep apnea and in rodents exposed to chronic intermittent hypoxia (CIH), an animal model for apnea-induced hypopnea...
March 8, 2018: Physiology & Behavior
Mark D Aupperlee, Anastasia Kariagina, Nicole Zaremba, Marc D Basson, Richard C Schwartz, Sandra Z Haslam
Increased proliferation and breast cancer risk has been observed in postmenopausal women receiving estrogen (E) + progestin hormone replacement therapy (HRT). Progestin action is mediated through two progesterone receptor (PR) isoforms, PRA and PRB, with unique transcriptional activity and function. The current study examines hormonal regulation of PR isoforms in the normal postmenopausal human breast and the mechanism by which progestins increase proliferation and breast cancer risk. Archival benign breast biopsies from postmenopausal and premenopausal women, and luminal breast tumor biopsies from postmenopausal women, were analyzed for regulation of PRA and PRB expression by E and E+medroxyprogesterone acetate (MPA)...
March 7, 2018: Translational Oncology
Shanshan Shao, Zhenyu Yao, Jiayu Lu, Yongfeng Song, Zhao He, Chunxiao Yu, Xiaoming Zhou, Lifang Zhao, Jiajun Zhao, Ling Gao
Increasing prevalence of non-alcoholic fatty liver disease (NAFLD) worldwide has necessitated a more thorough understanding of it and expanded the scope of research in this field. Women are more resistant to NAFLD than men despite equal exposure to major risk factors, such as obesity or hyperlipidemia. Female resistance is hormone-dependent, as evidenced by the sharp increase in NAFLD incidence in post-menopausal women who do not take hormone replacement therapy. Here, we found that the estrogen-responsive pituitary hormone prolactin (PRL), through specific PRL receptor (PRLR), down-regulates hepatic triglyceride (TG) accumulation...
March 7, 2018: Biochemical and Biophysical Research Communications
Jung Gi Lee, Jae Ha Ryu, Seon-Myung Kim, Moon-Young Park, San-Ho Kim, Young G Shin, Jong-Woo Sohn, Ha Hyung Kim, Zee-Yong Park, Jae Young Seong, Jae Il Kim
Exendin-4, a 39 amino acid peptide isolated from the saliva of the Gila monster, plays an important role in regulating glucose homeostasis, and is used clinically for the treatment of type 2 diabetes. Exendin-4 shares 53% sequence identity with the incretin hormone glucagon-like peptide 1 (GLP-1) but, unlike GLP-1, is highly resistant to proteolytic enzymes such as dipeptidyl peptidase IV (DPP-IV) and neutral endopeptidase 24.11 (NEP 24.11). Herein, we focused on the structure and function of the C-terminal Trp-cage of exendin-4, and suggest that it may be structurally required for resistance to proteolysis by NEP 24...
March 6, 2018: Biochemical Pharmacology
Greisa Vila, Anton Luger
Growth hormone (GH) is not approved for use during conception and pregnancy. Nevertheless, data from the clinical care practice reveal that most women concieve on GH replacement therapy (GHRT), and more than half continue on GHRT also during pregnancy. GH stimulates the hypothalamic-pituitary-gonadal axis at all levels, and there is evidence that GH deficiency impacts the morphology of reproductive organs, onset of puberty, ovarian function and fertility. Patients with hypopituitarism often conceive using assisted reproductive techniques and several studies support the benefit of GH supplementation for achieving fertility in women with growth hormone deficiency...
March 8, 2018: Minerva Endocrinologica
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