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Side effect of progesterone

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https://www.readbyqxmd.com/read/28197932/effect-of-gnrha-ovulation-trigger-dose-on-follicular-fluid-characteristics-and-granulosa-cell-gene-expression-profiles
#1
Thi Ngoc Lan Vuong, M T Ho, T Q Ha, M Brehm Jensen, C Yding Andersen, P Humaidan
PURPOSE: A recent dose-finding study showed no significant differences in number of mature oocytes, embryos and top-quality embryos when triptorelin doses of 0.2, 0.3 or 0.4 mg were used to trigger final oocyte maturation in oocyte donors co-treated with a gonadotropin-releasing hormone (GnRH) antagonist. This analysis investigated whether triptorelin dosing for triggering final oocyte maturation in oocyte donors induced differences in follicular fluid (FF) hormone levels and granulosa cell gene expression...
February 14, 2017: Journal of Assisted Reproduction and Genetics
https://www.readbyqxmd.com/read/28161756/safety-profile-of-finasteride-distribution-of-adverse-effects-according-to-structural-and-informational-dichotomies-of-the-mind-brain
#2
Ion G Motofei, David L Rowland, Mirela Manea, Simona R Georgescu, Ioana Păunică, Ioanel Sinescu
Finasteride is currently used extensively for male androgenic alopecia and benign prostatic hyperplasia; however, some adverse effects are severe and even persistent after treatment cessation, the so-called 'post-finasteride syndrome'. The following most severe adverse effects-sexual dysfunction and depression-often occur together and may potentiate one other, a fact that could explain (at least in part) the magnitude and persistence of finasteride adverse effects. This paper presents the pharmacological action of finasteride and the corresponding adverse effects, the biological base explaining the occurrence, persistence and distribution of these adverse effects, and a possible therapeutic solution for post-finasteride syndrome...
February 4, 2017: Clinical Drug Investigation
https://www.readbyqxmd.com/read/28139238/new-developments-in-the-medical-treatment-of-endometriosis
#3
REVIEW
Mohamed A Bedaiwy, Sukinah Alfaraj, Paul Yong, Robert Casper
Endometriosis affects 1 in 10 women of reproductive-age. The current treatments are surgical and hormonal but have limitations, including the risk of recurrence, side effects, contraceptive action for women who desire pregnancy, and cost. New treatments include gonadotropin-releasing hormone analogues, selective progesterone (or estrogen) receptor modulators, aromatase inhibitors, immunomodulators, and antiangiogenic agents. Further research is needed into central sensitization, local neurogenesis, and the genetics of endometriosis to identify additional treatment targets...
January 27, 2017: Fertility and Sterility
https://www.readbyqxmd.com/read/28004065/-progesterone-induced-microrna-1a-inhibits-the-proliferation-of-endometrial-epithelial-cells
#4
Jun-Li Pan, Dong-Zhi Yuan, Li Nie, Jin-Hu Zhang, Li-Min Yue
The aim of the present study was to investigate the effects of progesterone (P4)-induced microRNA-1a (miR-1a) on the proliferation of endometrial epithelial cells (EECs) and the underlying mechanism. In vivo, following subcutaneous injection of estradiol (E2) alone (E2 group) or combined injections of E2 and P4 (E2P4 group) in ovariectomized mice, quantitative real-time PCR (qPCR) was used to check the expression of miR-1a-3p in the directly isolated mouse EECs. The agomir or antagomir specific for miR-1a-3p was injected into one side of the uterine horns of ovariectomized mice pretreated with E2 alone or in combination with P4, and the non-specific control agomir or antagomir was injected into their contralateral horns...
December 25, 2016: Sheng Li Xue Bao: [Acta Physiologica Sinica]
https://www.readbyqxmd.com/read/28002850/medical-management-of-endometriosis-in-patients-with-chronic-pelvic-pain
#5
Mohamed A Bedaiwy, Catherine Allaire, Paul Yong, Sukinah Alfaraj
Endometriosis is a common cause of pelvic pain in women of reproductive age. Traditional medical therapies are hormonal in nature, including estrogen-progestin contraceptives, progestins, and gonadotropin-releasing hormone (GnRH) agonists. Other hormonal options are androgens and aromatase inhibitors, with research also suggesting a possible role for GnRH antagonists and selective progesterone receptor modulators. Other than nonsteroidal anti-inflammatories, further work is required for nonhormonal therapies such as antiangiogenic and immune-modulating drugs...
January 2017: Seminars in Reproductive Medicine
https://www.readbyqxmd.com/read/27979317/estrogen-receptor-%C3%AE-as-a-pharmaceutical-target
#6
REVIEW
Margaret Warner, Bo Huang, Jan-Ake Gustafsson
A major issue in clinical endocrinology today is how to use hormones to achieve the health benefits that they clearly can provide but avoid the negative side effects, that is, how to develop more precise medicines. This problem of how to use hormones is pervasive in clinical endocrinology. It is true for estrogen, progesterone, androgen, vitamin D, and thyroid hormone, and the problem is amplified in the case of new ligands for the more recently discovered nuclear receptors. Selective targeting of hormone receptor subtypes is one attractive way to harness the beneficial effects of hormones while reducing unwanted side effects...
January 2017: Trends in Pharmacological Sciences
https://www.readbyqxmd.com/read/27919975/long-term-high-quality-survival-with-single-agent-mifepristone-treatment-despite-advanced-cancer
#7
Jerome H Check, Diane Check, Carrie Wilson, Patrice Lofberg
CASE REPORT: We show long-term high-quality survival following single-agent treatment with a progesterone receptor antagonist in two cases of advanced metastatic cancer. Because no biopsy was performed (patient refused) the exact type of lung cancer was not determined but the majority of oncologists who evaluated the patient thought that the rapid onset and syndrome of inappropriate anti-diuretic hormone was more consistent with small-cell lung cancer. The US Food and Drug Association granted a compassionate-use investigational new drug approval for use of single-agent 200 mg mifepristone orally/day to a moribund woman with never-treated metastatic lung cancer and a male with bilateral renal cell carcinoma who had undergone only a unilateral hemi-nephrectomy...
2016: Anticancer Research
https://www.readbyqxmd.com/read/27894940/changes-in-the-mrna-expression-of-structural-proteins-hormone-synthesis-and-secretion-from-bovine-placentome-sections-after-ddt-and-dde-treatment
#8
A Wojciechowska, J Mlynarczuk, J Kotwica
Disorders in the barrier function and secretory activity of the placenta can be caused by xenobiotics (XB) present in the environment and their accumulation in tissues of living organisms. Thus, the aim of this study was to investigate the effect of 1,1,1-trichloro-2,2,-bis-4-chlorophenyl-ethane (DDT) and its metabolite 1,1-dichloro-2,2-bis-4-chlorophenyl-ethene (DDE) (for 24 or 48h) at doses of 1, 10 or 100ng/ml on the function of cow placentome sections in the second trimester of pregnancy. DDT and DDE affected neither (P>0...
January 15, 2017: Toxicology
https://www.readbyqxmd.com/read/27890531/short-term-effects-of-diabetes-on-neurosteroidogenesis-in-the-rat-hippocampus
#9
Simone Romano, Nico Mitro, Silvia Diviccaro, Roberto Spezzano, Matteo Audano, Luis Miguel Garcia-Segura, Donatella Caruso, Roberto Cosimo Melcangi
Diabetes may induce neurophysiological and structural changes in the central nervous system (i.e., diabetic encephalopathy). We here explored whether the levels of neuroactive steroids (i.e., neuroprotective agents) in the hippocampus may be altered by short-term diabetes (i.e., one month). To this aim, by liquid chromatography-tandem mass spectrometry we observed that in the experimental model of the rat raised diabetic by streptozotocin injection, one month of pathology induced changes in the levels of several neuroactive steroids, such as pregnenolone, progesterone and its metabolites (i...
March 2017: Journal of Steroid Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/27852187/prevention-of-breast-cancer
#10
Ian N Olver
Modifiable lifestyle factors may reduce the risk of developing breast cancer. Obesity is associated particularly with post-menopausal breast cancer. Diet is important, and exercise equivalent to running for up to 8 hours each week reduces the risk of breast cancer, both in its own right and through reducing obesity. Alcohol consumption may be responsible for 5.8% of breast cancers in Australia and it is recommended to reduce this to two standard drinks per day. Drinking alcohol and smoking increases the risk for breast cancer and, therefore, it is important to quit tobacco smoking...
November 21, 2016: Medical Journal of Australia
https://www.readbyqxmd.com/read/27746881/gastric-metastasis-of-breast-cancer-a-case-series
#11
Gustavo Dos Santos Fernandes, Luiza D Batista Bugiato Faria, Isadora de Assis Pereira, Natália C Moreira Neves, Yasmine Oliveira Vieira, Alessandro I Cavalcanti Leal
Gastric metastasis is rare but it can be the initial symptom of cancer. The second leading cause of this type of metastasis is breast cancer. A lack of clinical signs and nonspecific side effects of the treatment of primary tumors can lead to the misdiagnosis of metastatic gastric cancer. Upper gastrointestinal endoscopy with biopsy and immunohistochemistry should be used for diagnosis. Treatment is palliative; it includes chemo, endocrine, and radiation therapies. Four patients with breast cancer and gastric metastasis were identified...
September 5, 2016: Rare Tumors
https://www.readbyqxmd.com/read/27744092/subcortical-gray-matter-changes-in-transgender-subjects-after-long-term-cross-sex-hormone-administration
#12
Rene Seiger, Andreas Hahn, Allan Hummer, Georg S Kranz, Sebastian Ganger, Michael Woletz, Christoph Kraus, Ronald Sladky, Alexander Kautzky, Siegfried Kasper, Christian Windischberger, Rupert Lanzenberger
Sex-steroid hormones are primarily involved in sexual differentiation and development and are thought to underlie processes related to cognition and emotion. However, divergent results have been reported concerning the effects of hormone administration on brain structure including side effects like brain atrophy and dementia. Cross-sex hormone therapy in transgender subjects offers a unique model for studying the effects of sex hormones on the living human brain. In this study, 25 Female-to-Male (FtM) and 14 Male-to-Female (MtF) subjects underwent MRI examinations at baseline and after a period of at least 4-months of continuous cross-sex hormone administration...
December 2016: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/27678094/genomic-and-nongenomic-effects-of-mifepristone-at-the-cardiovascular-level-a-review
#13
Joana Feiteiro, Melissa Mariana, Ignacio Verde, Elisa Cairrão
Mifepristone (RU 486) is a compound that is structurally related to steroid hormones, which is derived from the estrane progestins. This compound strongly binds the progesterone and glucocorticoid receptor and, to a lesser extent, the androgen receptor. This compound has its effects through different signaling pathways, related to genomic and nongenomic effects. The genomic effect involves the activation or blockage of nuclear or intracellular receptor, that in this case the progesterone, glucocorticoid, and androgen receptors...
September 27, 2016: Reproductive Sciences
https://www.readbyqxmd.com/read/27658744/parturition-induction-in-ewes-by-a-progesterone-receptor-blocker-aglepristone-and-subsequent-neonatal-survival-preliminary-results
#14
R G Özalp, A Yavuz, A Orman, I Seker, D Udum Küçükşen, A Rişvanlı, Ö O Demiral, A Wehrend
The clinical effects of aglepristone treatment to induce parturition in ewes and their newborns were reported. Three experimental groups were defined: group AG5 (n = 5), group AG10 (n = 5), and group CG (n = 5) in which ewes were injected twice with 5, 10 mg/kg of aglepristone, and saline solution of ewes, respectively. Different parameters associated with parturition in ewes and their newborns were investigated. Serum progesterone, oxytocin, and free and conjugated total estrogens were measured after treatments until parturition...
January 1, 2017: Theriogenology
https://www.readbyqxmd.com/read/27642297/myoinositol-as-a-safe-and-alternative-approach-in-the-treatment-of-infertile-pcos-women-a-german-observational-study
#15
Pedro-Antonio Regidor, Adolf Eduard Schindler
The use of 2 × 2000 mg myoinositol + 2 × 200 μg folic acid per day is a safe and promising tool in the effective improvement of symptoms and infertility for patients with a polycystic ovary syndrome (PCOS). Using a questionnaire an observational study was performed under German gynecologists to collect data on ovulation and pregnancy rates in PCOS patients with infertility. In this observational study, 3602 infertile women used myoinositol and folic acid between 2 and 3 months in a dosage of 2 × 2000 mg myoinositol + 2 × 200 μg folic acid per day...
2016: International Journal of Endocrinology
https://www.readbyqxmd.com/read/27597394/progesterone-treatment-modulates-mrna-of-neurosteroidogenic-enzymes-in-a-murine-model-of-multiple-sclerosis
#16
Laura Garay, Paula Gonzalez Giqueaux, Rachida Guennoun, Michael Schumacher, Maria Claudia Gonzalez Deniselle, Alejandro F De Nicola
Previous studies of experimental autoimmune encephalomyelitis (EAE) have shown that progesterone decreases inflammatory cell infiltration and proinflammatory factors, increases myelination and attenuates clinical grade of EAE mice. To elucidate potential mediators of these effects, we analyzed the mRNA expression of neurosteroidogenic enzymes in the spinal cord, in view of the protective role of steroids in EAE. We also analyzed mitochondrial morphology and dynamics (fusion and fission proteins), considering the role of mitochondria in neurosteroidogenesis...
January 2017: Journal of Steroid Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/27548404/progestogen-safety-and-tolerance-in-hormonal-replacement-therapy
#17
Santiago Palacios, Andrea Mejía
Today, it is a mandatory practice to prescribe a combination of estrogens and progestogens for menopausal women requiring hormone therapy and with a uterus. The WHI study and its reanalysis demonstrate a big difference in results between the conjugated equin estrogen (CEE) only vs.CEE plus medroxyprogesterone acetate (MPA) arms in relation with breast cancer and cardiovascular risk. The conclusion is that risk is clearly higher in the arm with MPA than in the CEE only arm. Although the only progestogen used in the WHI study was medroxyprogesterone acetate, side effects and intolerance have been extrapolated as a class effect to all progestogens...
November 2016: Expert Opinion on Drug Safety
https://www.readbyqxmd.com/read/27512005/effect-of-adiponectin-on-the-steroidogenic-acute-regulatory-protein-p450-side-chain-cleavage-enzyme-and-3%C3%AE-hydroxysteroid-dehydrogenase-gene-expression-progesterone-and-androstenedione-production-by-the-porcine-uterus-during-early-pregnancy
#18
N Smolinska, K Dobrzyn, M Kiezun, K Szeszko, A Maleszka, T Kaminski
Adiponectin and its receptors are expressed in the human and porcine uterus and this endocrine system has important role in the regulation of reproductive processes. The expression of steroidogenic acute regulatory protein (StAR) and 3β-hydroxysteroid dehydrogenase (HSD3B1) were observed in the human and porcine uterus during the oestrous cycle and pregnancy. The de novo synthesis of steroids in the uterus might be a crucial factor for effective implantation and maintenance of pregnancy. We hypothesized that adiponectin modulates the expression of key enzymes in the synthesis of the steroids: StAR, P450 side chain cleavage enzyme (CYP11A1) and HSD3B1, as well as progesterone (P4) and androstenedione (A4) secretion by the porcine uterus...
June 2016: Journal of Physiology and Pharmacology: An Official Journal of the Polish Physiological Society
https://www.readbyqxmd.com/read/27503693/hormonal-therapy-for-endometriosis-from-molecular-research-to-bedside
#19
Claudia Tosti, Antonella Biscione, Giuseppe Morgante, Giuseppe Bifulco, Stefano Luisi, Felice Petraglia
Endometriotic lesions are associated with hormonal imbalance, including increased estrogen synthesis, metabolism and progesterone resistance. These hormonal changes cause increased proliferation, inflammation, pain and infertility. Hormonal imbalances are targets for treatment. Therapeutic strategies and innovations of hormonal drugs for endometriosis are increasing. Acting on estrogen receptors are hormonal drugs decreasing systemic and local estrogen synthesis (GnRH analogs, GnRH antagonists, Aromatase inhibitors) or estrogen activity (selective estrogen receptor modulators)...
May 27, 2016: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/27503318/hcg-mediated-activation-of-mtorc1-signaling-plays-a-crucial-role-in-steroidogenesis-in-human-granulosa-lutein-cells
#20
Molly B Moravek, Min Shang, Bindu Menon, K M J Menon
Luteinizing hormone/human chorionic gonadotropin stimulates progesterone biosynthesis in the corpus luteum by activating cyclic adenosine monophosphate/protein kinase A cascade. Recent studies have shown that cyclic adenosine monophosphate-mediated activation of protein kinase A interacts with the mammalian target of rapamycin signaling pathways. Furthermore, the use of mammalian target of rapamycin inhibitors for immunosuppression in transplant patients has shown adverse effects in reproductive functions. This study examined whether the mammalian target of rapamycin pathway plays any role in luteinizing hormone-mediated regulation of progesterone production...
October 2016: Endocrine
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