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https://www.readbyqxmd.com/read/28730425/at-101-acts-as-anti-proliferative-and-hormone-suppressive-agent-in-mouse-pituitary-corticotroph-tumor-cells
#1
B S Yurekli, B Karaca, A Kisim, E Bozkurt, H Atmaca, S Cetinkalp, G Ozgen, C Yilmaz, S Uzunoglu, R Uslu, F Saygili
PURPOSE: Gossypol, a naturally occurring compound in cottonseeds, has anticancer effects against several tumor cell lines. It has been extensively studied in clinical trials and is well tolerated with a favorable safety profile. AT-101, a derivative of R (-)-gossypol, binds to Bcl-2 family proteins and induces apoptosis in vitro. Although transsphenoidal surgical excision of the pituitary corticotroph adenoma is the gold standard of care, it is not successful all the time. Medical therapy for Cushing's disease still remains a challenge for the clinicians...
July 20, 2017: Journal of Endocrinological Investigation
https://www.readbyqxmd.com/read/28727711/high-body-mass-index-is-a-potential-risk-factor-for-persistent-postoperative-pain-after-breast-cancer-treatment
#2
Noud van Helmond, Hans Timmerman, Nick T van Dasselaar, Carmen C van de Pol, Soren S Olesen, Asbjorn M Drewes, Kris Vissers, Oliver H Wilder-Smith, Monique A Steegers
BACKGROUND: Risk factors associated with persistent pain after breast cancer treatment are needed to develop prevention and treatment strategies to improve the quality of life for patients with breast cancer. OBJECTIVES: To identify factors associated with persistent pain in women undergoing breast cancer treatments. STUDY DESIGN: Retrospective study. SETTING: Regional hospital in the Netherlands. METHODS: The primary outcome was pain associated with surgery at more than 6 months postoperatively and patients were stratified based on the associated visual analog" scale score they reported: reporting no pain as "no pain," pain 1 - 29 mm as "mild pain," and pain 30 - 100 mm as "moderate/severe pain...
July 2017: Pain Physician
https://www.readbyqxmd.com/read/28726212/melasma-an-up-to-date-comprehensive-review
#3
REVIEW
Oluwatobi A Ogbechie-Godec, Nada Elbuluk
Melasma is a common acquired condition of symmetric hyperpigmentation, typically occurring on the face, with higher prevalence in females and darker skin types. Multiple etiologies, including light exposure, hormonal influences, and family history, have been implicated in the pathogenesis of this disorder. Overall prevalence ranges widely at 1-50%, since values are typically calculated within a specific ethnic population within a geographic region. Histologically, melasma can display increased epidermal and/or dermal pigmentation, enlarged melanocytes, increased melanosomes, solar elastosis, dermal blood vessels, and, occasionally, perivascular lymphohistiocytic infiltrates...
July 19, 2017: Dermatology and Therapy
https://www.readbyqxmd.com/read/28724693/new-peptide-inhibitor-of-dipeptidyl-peptidase-iv-emdb-1-extends-the-half-life-of-glp-2-and-attenuates-colitis-in-mice-after-topical-administration
#4
Maciej Salaga, Anna Mokrowiecka, Marta Zielinska, Ewa Malecka-Panas, Radzislaw Kordek, Elzbieta Kamysz, Jakub Fichna
Protease inhibition has become a new possible approach in the inflammatory bowel disease (IBD) therapy. A serine exopeptidase, dipeptidyl peptidase IV (DPP IV) is responsible for inactivation of incretine hormone, glucagon-like peptide 2 (GLP-2), a potent stimulator of intestinal epithelium regeneration and growth. Recently we showed that the novel peptide analog of endomorphin-2, EMDB-1 is a potent blocker of DPP IV and has an inhibitory effect on gastrointestinal (GI) smooth muscle contractility. The aim of this study was to characterize the anti-inflammatory effect and mechanism of action of EMDB-1 in the mouse GI tract...
July 19, 2017: Journal of Pharmacology and Experimental Therapeutics
https://www.readbyqxmd.com/read/28714321/zoophilia-in-an-adolescent-with-high-functioning-autism-from-sri-lanka
#5
Miyuru Chandradasa, Layani Champika
OBJECTIVE: Zoophilia is a rare paraphilic disorder with intense sexual urges involving animals. Autism is characterised by impairments in social communication and repetitive, restricted behaviours (RRB). Reported cases of zoophilia are limited worldwide, and zoophilia in autism is rarer. METHOD: This is a case report describing this unique and relatively unrecognised association in a male adolescent from Sri Lanka. RESULTS: A 17-year-old boy diagnosed with autism has average intelligence and academic capabilities...
July 1, 2017: Australasian Psychiatry: Bulletin of Royal Australian and New Zealand College of Psychiatrists
https://www.readbyqxmd.com/read/28711512/seasonality-in-affective-disorders
#6
REVIEW
Anna Wirz-Justice
Humans retain neurobiological responses to circadian day-night cycles and seasonal changes in daylength in spite of a life-style usually independent of dawn-dusk signals. Seasonality has been documented in many functions, from mood to hormones to gene expression. Research on seasonal affective disorder initiated the first use of timed bright light as therapy, a treatment since extended to non-seasonal major depression and sleep-wake cycle disturbances in many psychiatric and medical illnesses. The growing recognition that sufficient light is important for psychological and somatic well-being is leading to the development of novel lighting solutions in architecture as well as focus on a more conscious exposure to natural daylight...
July 12, 2017: General and Comparative Endocrinology
https://www.readbyqxmd.com/read/28711501/comparing-the-androgenic-and-estrogenic-properties-of-progestins-used-in-contraception-and-hormone-therapy
#7
Renate Louw-du Toit, Meghan S Perkins, Janet P Hapgood, Donita Africander
Progestins used in endocrine therapies bind to multiple steroid receptors and are associated with several side-effects. It is thus important to understand the relationship between steroid receptor cross-reactivity and the side-effect profile of progestins. In cell lines that express negligible levels of steroid receptors, we report for the first time the binding affinities, potencies and efficacies of selected progestins from different generations determined in parallel. We show that the progestins bind to the androgen receptor (AR) with similar affinities to each other and progesterone, while none bind estrogen receptor (ER)-β, and only norethisterone acetate, levonorgestrel and gestodene bind ERα...
July 12, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28706404/dry-eye-syndrome-in-menopause-and-perimenopausal-age-group
#8
REVIEW
Travis Peck, Leslie Olsakovsky, Shruti Aggarwal
Dry eye disease (DED) is a multifactorial ocular surface disease that causes symptoms of ocular pain, discomfort, and decreased visual acuity. It significantly affects quality of life of patients. It is more prevalent in the females and is being specifically in the menopausal and postmenopausal age group. This is believed to be due to the changes in balance of sex hormones. Sex hormones - estrogens and androgens - influence production of all components of the tear film including aqueous layer, lipid, and mucin...
April 2017: Journal of Mid-life Health
https://www.readbyqxmd.com/read/28697037/the-association-of-surgical-versus-natural-menopause-with-future-left-ventricular-structure-and-function-the-coronary-artery-risk-development-in-young-adults-cardia-study
#9
Duke Appiah, Pamela J Schreiner, Chike C Nwabuo, Melissa F Wellons, Cora E Lewis, Joao A Lima
OBJECTIVE: To evaluate the association between surgical menopause (SM) versus natural menopause (NM) in relation to later left ventricular (LV) structure and function, while taking into account the LV parameters and other cardiovascular disease risk factor (CVDRF) levels that predate the menopausal transition. METHODS: We studied 825 premenopausal women from the Coronary Artery Risk Development in Young Adults study in 1990 to 1991 (baseline, mean age 32 years) who later reached menopause by 2010 to 2011 and had echocardiograms at these two time points...
July 10, 2017: Menopause: the Journal of the North American Menopause Society
https://www.readbyqxmd.com/read/28687643/cancer-incidence-attributable-to-lifestyle-and-environmental-factors-in-alberta-in-2012-summary-of-results
#10
Anne Grundy, Abbey E Poirier, Farah Khandwala, Xin Grevers, Christine M Friedenreich, Darren R Brenner
BACKGROUND: Estimates of the proportion of cancer cases that can be attributed to modifiable risk factors are not available for Canada and, more specifically, Alberta. The purpose of this study was to estimate the total proportion of cancer cases in Alberta in 2012 that could be attributed to a set of 24 modifiable lifestyle and environmental risk factors. METHODS: We estimated summary population attributable risk estimates for 24 risk factors (smoking [both passive and active], overweight and obesity, inadequate physical activity, diet [inadequate fruit and vegetable consumption, inadequate fibre intake, excess red and processed meat consumption, salt consumption, inadequate calcium and vitamin D intake], alcohol, hormones [oral contraceptives and hormone therapy], infections [Epstein-Barr virus, hepatitis B and C viruses, human papillomavirus, Helicobacter pylori], air pollution, natural and artificial ultraviolet radiation, radon and water disinfection by-products) by combining population attributable risk estimates for each of the 24 factors that had been previously estimated...
July 7, 2017: CMAJ Open
https://www.readbyqxmd.com/read/28675921/cycle-regimens-for-frozen-thawed-embryo-transfer
#11
REVIEW
Tarek Ghobara, Tarek A Gelbaya, Reuben Olugbenga Ayeleke
BACKGROUND: Among subfertile couples undergoing assisted reproductive technology (ART), pregnancy rates following frozen-thawed embryo transfer (FET) treatment cycles have historically been found to be lower than following embryo transfer undertaken two to five days following oocyte retrieval. Nevertheless, FET increases the cumulative pregnancy rate, reduces cost, is relatively simple to undertake and can be accomplished in a shorter time period than repeated in vitro fertilisation (IVF) or intracytoplasmic sperm injection (ICSI) cycles with fresh embryo transfer...
July 5, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28673339/human-limbal-fibroblast-like-stem-cells-induce-immune-tolerance-in-autoreactive-t-lymphocytes-from-female-patients-with-hashimoto-s-thyroiditis
#12
Antonina Coppola, Laura Tomasello, Maria Pitrone, Salvatore Cillino, Pierina Richiusa, Giuseppe Pizzolanti, Carla Giordano
BACKGROUND: Due to their "natural immune privilege" and immunoregulatory properties human fibroblast-like limbal stem cells (f-LSCs) have acquired great interest as a potential tool for achieving immunotolerance. Hashimoto's thyroiditis (HT) is the most common thyroid autoimmune disease and cause of hypothyroidism. To date, conventional hormone replacement therapy and unspecific immunosuppressive regimens cannot provide a definitive cure for HT subjects. We explored the immunosuppressant potential of human f-LSCs on circulating lymphomonocytes (PBMCs) collected from healthy donors and female HT patients...
July 3, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28670143/bone-marrow-mesenchymal-stem-cell-repair-of-cyclophosphamide-induced-ovarian-insufficiency-in-a-mouse-model
#13
Ahmed Badawy, Mohamed A Sobh, Mohamed Ahdy, Mohamed Sayed Abdelhafez
OBJECTIVE: Attempting in vivo healing of cyclophosphamide-induced ovarian insufficiency in a mouse model using bone marrow mesenchymal stem cells (BMMSCs). METHODS: Female BALB/c white mice were used to prepare a model for premature ovarian failure by single intraperitoneal injection of cyclophosphamide (80 mg/kg). Ten mice were injected with BMMSCs and then sacrificed after 21 days for morphometric evaluation of the ovaries. Hormonal profile was evaluated while mice were being sacrificed...
2017: International Journal of Women's Health
https://www.readbyqxmd.com/read/28666813/patient-case-lessons-endocrine-management-of-advanced-breast-cancer
#14
REVIEW
Nicholas J Robert, Neelima Denduluri
Advances in treatment for women with advanced breast cancer (ABC) have led to improvements in survival. Although the condition remains incurable, treatment goals focus on stabilizing disease, prolonging life, and maintaining patient quality of life. Hormone receptor-positive (HR(+)) subtypes constitute the majority of breast cancers, and an increasing number of effective endocrine therapies are available. Although practice guidelines provide important recommendations and principles for treatment selection, the choice of specific agents from among existing options should be customized to the individual based on patient and disease characteristics, as well as the nature and duration of response to previous treatments...
June 7, 2017: Clinical Breast Cancer
https://www.readbyqxmd.com/read/28660991/insulin-resistance-in-endocrine-disorders-treatment-options
#15
Anita Rogowicz-Frontczak, Anna Majchrzak, Dorota Zozulińska-Ziółkiewicz
Changes in sensitivity to insulin occur in the course of a number of endocrine disorders. Most of the hormones through their antagonistic action to insulin lead to increased hepatic glucose output and its decreased utilisation in peripheral tissues. Carbohydrate disorders observed in endocrine diseases result from the phenomenon of insulin resistance, and in some cases also a reduction in insulin secretion is present. Abnormalities of glucose metabolism are observed in acromegaly, but also in growth hormone deficiency, hypercortisolism in the course of Cushing's syndrome, hyper- or hypothyroidism, primary hyperparathyroidism, aldosteronism, pheochromocytoma, congenital hypertrophy of the adrenal glands, polycystic ovaries syndrome, hypogonadism, or other hormonally active neuroendocrine tumours...
2017: Endokrynologia Polska
https://www.readbyqxmd.com/read/28660304/differences-in-the-renal-antifibrotic-cgmp-cgki-dependent-signaling-of-serelaxin-zaprinast-and-their-combination
#16
Veronika Wetzl, Elisabeth Schinner, Frieder Kees, Lothar Faerber, Jens Schlossmann
Renal fibrosis is an important factor for end-stage renal failure. However, only few therapeutic options for its treatment are established. Zaprinast, a phosphodiesterase 5 inhibitor, and serelaxin, the recombinant form of the naturally occurring hormone relaxin, are differently acting modulators of cyclic guanosine monophosphate (cGMP) signaling. Both agents enhance cGMP availability in kidney tissue. These substances alone or in combination might interfere with the development of kidney fibrosis. Therefore, we compared the effects of combination therapy with the effects of monotherapy on renal fibrosis...
June 28, 2017: Naunyn-Schmiedeberg's Archives of Pharmacology
https://www.readbyqxmd.com/read/28652510/beta-blocker-and-steroid-therapy-in-the-treatment-of-infantile-hepatic-hemangioendothelioma
#17
Zeynep Canan Özdemir, Yeter Düzenli Kar, Nurullah Cihan Şöhret, Mahmut Kebapçı, Özcan Bör
Infantile hepatic hemangioendothelioma (IHHE) is the most common benign vascular liver tumor and typically occurs during the first 6 months of life. A 4-month-old male patient presented with abdominal distention. A physical examination revealed massive hepatomegaly. Liver enzyme levels were normal. The alpha fetoprotein level was 1,323 mg/dL (6-1,000). Abdominal magnetic resonance imaging (MRI) showed multiple, well-defined and hyperintense nodular lesions in the liver. MRI findings suggested IHHE. The thyroid stimulating hormone (TSH) level was high (177...
June 25, 2017: Drug Discoveries & Therapeutics
https://www.readbyqxmd.com/read/28641304/hyperemesis-gravidarum-a-review-of-recent-literature
#18
Viktoriya London, Stephanie Grube, David M Sherer, Ovadia Abulafia
BACKGROUND: In the United States, hyperemesis gravidarum is the most common cause of hospitalization during the first half of pregnancy and is second only to preterm labor for hospitalizations in pregnancy overall. In approximately 0.3-3% of pregnancies, hyperemesis gravidarum is prevalent and this percentage varies on account of different diagnostic criteria and ethnic variation in study populations. Despite extensive research in this field, the mechanism of the disease is largely unknown...
June 23, 2017: Pharmacology
https://www.readbyqxmd.com/read/28640164/associations-between-postmenopausal-endogenous-sex-hormones-and-c-reactive-protein-a-clearer-picture-with-regional-adiposity-adjustment
#19
Shannon M Conroy, Heather K Neilson, Rachel O'Reilly, Christy G Woolcott, Frank Z Stanczyk, Kerry S Courneya, Christine M Friedenreich
OBJECTIVE: To better understand the pathogenesis of inflammatory-related diseases after menopause, we studied the adiposity-independent association between endogenous sex hormones and C-reactive protein (CRP), a biomarker of inflammation. METHODS: We conducted a secondary, cross-sectional analysis of baseline data from the Alberta Physical Activity and Breast Cancer Prevention Trial (2003-2007), including 319 healthy, postmenopausal women not using hormone therapy...
June 19, 2017: Menopause: the Journal of the North American Menopause Society
https://www.readbyqxmd.com/read/28610679/the-presence-of-a-membrane-bound-progesterone-receptor-induces-growth-of-breast-cancer-with-norethisterone-but-not-with-progesterone-a-xenograft-model
#20
Yue Zhao, Xiangyan Ruan, Husheng Wang, Xue Li, Muqing Gu, Lijuan Wang, Yanglu Li, Harald Seeger, Alfred O Mueck
OBJECTIVES: During menopausal hormone therapy (MHT) a possible increase in breast cancer risk is thought to depend mainly on the progestogen component. In vitro studies have shown that the progesterone receptor membrane component 1 (PGRMC1) is important for tumor proliferation induced by progestogens. The primary aim of this study was to compare for the first time the natural progestogen, progesterone (P), with a synthetic progestogen, norethisterone (NET), using a xenograft model. METHODS: MCF7 cells, transfected with PGRMC1 plasmid or empty vector, were injected into nude mice and estradiol (E2) pellets were implanted...
August 2017: Maturitas
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