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https://www.readbyqxmd.com/read/28634705/how-does-pregnancy-affect-the-patients-with-pituitary-adenomas-a-study-on-113-pregnancies-from-turkey
#1
Z Karaca, S Yarman, I Ozbas, P Kadioglu, M Akturk, F Kilicli, H S Dokmetas, R Colak, H Atmaca, Z Canturk, Y Altuntas, N Ozbey, N Hatipoglu, F Tanriverdi, K Unluhizarci, F Kelestimur
OBJECTIVE: Data regarding pregnancies in relation to pituitary tumors are limited. The effects of pregnancy on pituitary adenomas and the effects of adenoma itself (hormonal activity, mass effects and pituitary insufficiency) and/or treatment on the ongoing gestation and developing fetus were evaluated. METHODS: The study was a retrospective study. A questionnaire involving questions regarding medical history before index gestation, history of related pregnancy, result of index gestation and postpartum follow-up of the patients was filled by the investigator in one of the eight Referral Endocrinology Centers from Turkey...
June 20, 2017: Journal of Endocrinological Investigation
https://www.readbyqxmd.com/read/28615778/olanzapine-induced-neuroleptic-malignant-syndrome
#2
Pradeep Kumar Saha, Abhijit Chakraborty, Avik Kumar Layek, Aritra Chakraborty
Neuroleptic malignant syndrome (NMS) is a life-threatening adverse effect usually seen with typical antipsychotic drugs. Rarely, NMS can occur with atypical antipsychotics also. A 19-year-old male diagnosed as a case of acute and transient psychotic disorder developed NMS, following the treatment with an atypical antipsychotic, olanzapine 20 mg/day. The patient was diagnosed NMS, an offending agent olanzapine was immediately withdrawn, and prompt treatment by maintaining hydration and giving bromocriptine produced recovery...
May 2017: Indian Journal of Psychological Medicine
https://www.readbyqxmd.com/read/28613975/activation-of-drd5-dopamine-receptor-d5-inhibits-tumor-growth-by-autophagic-cell-death
#3
Zhi Gen Leng, Shao Jian Lin, Ze Rui Wu, Yu Hang Guo, Lin Cai, Han Bing Shang, Hao Tang, Ya Jun Xue, Mei Qing Lou, Wenxiu Zhao, Wei-Dong Le, Wei Guo Zhao, Xun Zhang, Zhe Bao Wu
Dopamine agonists such as bromocriptine and cabergoline have been successfully used in the treatment of pituitary prolactinomas and other neuroendocrine tumors. However, their therapeutic mechanisms are not fully understood. In this study we demonstrated that DRD5 (dopamine receptor D5) agonists were potent inhibitors of pituitary tumor growth. We further found that DRD5 activation increased production of reactive oxygen species (ROS), inhibited the MTOR pathway, induced macroautophagy/autophagy, and led to autophagic cell death (ACD) in vitro and in vivo...
June 14, 2017: Autophagy
https://www.readbyqxmd.com/read/28612111/probable-mechanisms-involved-in-the-antipsychotic-like-activity-of-methyl-jasmonate-in-mice
#4
Olajide S Annafi, Oritoke M Aluko, Anthony T Eduviere, Osarume Omorogbe, Solomon Umukoro
Psychosis is a chronic neuropsychiatric disorder that affects millions of individuals worldwide and impairs the quality of life and productivity of the patients. The clinical efficacy of antipsychotic drugs has been compromised by adverse effects, relapse, and therapeutic failures, thus necessitating search for alternative agents. Methyl jasmonate (MJ) is a bioactive compound reported to have beneficial effects in various neurological disorders. This study was undertaken to investigate the antipsychotic-like effects of MJ in mice...
June 13, 2017: Naunyn-Schmiedeberg's Archives of Pharmacology
https://www.readbyqxmd.com/read/28600746/dopamine-induces-inhibitory-effects-on-the-circular-muscle-contractility-of-mouse-distal-colon-via-d1-and-d2-like-receptors
#5
Michelangelo Auteri, Maria Grazia Zizzo, Antonella Amato, Rosa Serio
Dopamine (DA) acts as gut motility modulator, via D1- and D2-like receptors, but its effective role is far from being clear. Since alterations of the dopaminergic system could lead to gastrointestinal dysfunctions, a characterization of the enteric dopaminergic system is mandatory. In this study, we investigated the role of DA and D1- and D2-like receptors in the contractility of the circular muscle of mouse distal colon by organ-bath technique. DA caused relaxation in carbachol-precontracted circular muscle strips, sensitive to domperidone, D2-like receptor antagonist, and mimicked by bromocriptine, D2-like receptor agonist...
June 9, 2017: Journal of Physiology and Biochemistry
https://www.readbyqxmd.com/read/28501857/combined-treatment-with-artesunate-and-bromocriptine-has-synergistic-anticancer-effects-in-pituitary-adenoma-cell-lines
#6
Xin Wang, Qiu Du, Zhigang Mao, Xiang Fan, Bin Hu, Zhen Wang, Zhiyong Chen, Xiaobing Jiang, Zongming Wang, Ni Lei, Haijun Wang, Yonghong Zhu
Prolactinomas are the most prevalent functional pituitary adenomas. The preferred treatments for prolactinomas are dopamine agonists (DAs) such as bromocriptine (BRC), but DAs still have the challenges of tumor recurrence and drug resistance. This study demonstrates that the synergy of function and mechanism between artesunate (ART) and BRC inhibits prolactinoma cell growth in vitro. We found that low-dose ART combined with BRC synergistically inhibited the growth of GH3 and MMQ cell lines, caused cell death, attenuated cell migration and invasion, and suppressed the expression of extracellular prolactin...
April 26, 2017: Oncotarget
https://www.readbyqxmd.com/read/28462541/association-of-serum-prolactin-level-with-impaired-glucose-regulation-and-diabetes
#7
Chitresh Chahar, Kapil Chahar, B S Ankit, Ajeet Gadhwal, R P Agrawal
BACKGROUND: Increase in prolactin during pregnancy has been identified as a major stimulus for β cells. These effects have been demonstrated in both in-vitro and in-vivo non-pregnant animal models. Recently, bromocriptine has also been approved for the therapy of type 2 diabetes, regardless of the baseline prolactin level, with its mechanism of action poorly understood. Hence, this study was planned to assess whether prolactin levels within normal range associates with prediabetes and diabetes...
March 2017: Journal of the Association of Physicians of India
https://www.readbyqxmd.com/read/28458418/central-dopaminergic-system-plays-a-role-in-the-analgesic-action-of-paracetamol-preclinical-evidence
#8
A Bhagyashree, Shyamjith Manikkoth, Melinda Sequeira, Roopa Nayak, S N Rao
OBJECTIVE: Even after 100 years of discovery, the exact mechanisms for the analgesic action of paracetamol are under scanner. It was recently proposed that paracetamol may act through different mechanisms, especially altering the serotoninergic system. The main objective of this preclinical study was to verify the role of drugs modulating dopaminergic system (l-dopa, bromocriptine, olanzapine) on the analgesic effect of paracetamol. MATERIALS AND METHODS: Thirty adult male albino mice were divided into five groups: distilled water (0...
January 2017: Indian Journal of Pharmacology
https://www.readbyqxmd.com/read/28425631/restraint-stress-increases-prolactin-mediated-phosphorylation-of-signal-transducer-and-activator-of-transcription-5-in-the-hypothalamus-and-adrenal-cortex-in-the-male-mouse
#9
S E Kirk, T Y Xie, F J Steyn, D R Grattan, S J Bunn
Prolactin is a pleiotropic peptide hormone produced by the lactotrophs in the anterior pituitary. Its rate of secretion is primarily regulated by a negative feedback mechanism whereby prolactin stimulates the activity of the tuberoinfundibular dopaminergic (TIDA) neurons, increasing their release of dopamine which accesses the pituitary via the median eminence to suppress further prolactin secretion. In addition to its well established role in lactation, circulating prolactin is secreted in response to stress, although the mechanism by which this is achieved or its cellular targets are unknown...
April 20, 2017: Journal of Neuroendocrinology
https://www.readbyqxmd.com/read/28425124/is-pyridoxine-effective-and-safe-for-post-partum-lactation-inhibition-a-systematic-review
#10
REVIEW
D AlSaad, A Awaisu, S Elsalem, P V Abdulrouf, B Thomas, M AlHail
WHAT IS KNOWN AND OBJECTIVE: It has been suggested that pyridoxine has an antilactogenic effect. Studies of the efficacy of pyridoxine in suppressing lactation have reported conflicting results. The aim of this review was to evaluate the effectiveness and safety of high-dose pyridoxine in post-partum lactation inhibition. METHODS: This systematic review included published trials that compared the efficacy and/or safety of pyridoxine to placebo or to other pharmacological agents for the inhibition of post-partum lactation...
April 19, 2017: Journal of Clinical Pharmacy and Therapeutics
https://www.readbyqxmd.com/read/28396166/paeoniflorin-and-liquiritin-two-major-constituents-in-chinese-herbal-formulas-used-to-treat-hyperprolactinemia-associated-disorders-inhibits-prolactin-secretion-in-prolactinoma-cells-by-different-mechanisms
#11
Yuanyi Wei, Lei La, Lili Wang, Robert Batey, Yuhao Li, Chunxia Wang
ETHNOPHARMACOLOGICAL RELEVANCE: Paeoniflorin and liquiritin are major constituents in some Chinese herbal formulas, such as Yiru Tiaojing (YRTJ) Granule (a hospitalized preparation) and Peony-Glycyrrhiza Decoction, used for hyperprolactinemia-associated disorders. AIM OF THE STUDY: To investigate the effect of paeoniflorin and liquiritin on prolactin secretion. MATERIALS AND METHODS: The effect of YRTJ Granule on metoclopramide-induced hyperprolactinemia was tested in rats...
April 7, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28382865/multitargeted-molecular-docking-study-of-natural-derived-alkaloids-on-breast-cancer-pathway-components
#12
Ramit Singla, Vikas Jaitak
BACKGROUND: Targeting of multiple sites is a pharmacologically, pharmacokinetic and dynamically more acceptable approach for complex diseases such as BC. It is recommended that the women who are at high risk of developing BC might be given foods enhanced by indole alkaloids from vegetables like cabbage and broccoli. Administration of indole-3-carbinol is associated with decreased incidence of hormone-responsive BC (HRBC) which is implicated due to the induction of cytochrome P450 and glutathione-S-transferase which metabolizes chemical mutagens and by altering estrogen metabolism...
April 6, 2017: Current Computer-aided Drug Design
https://www.readbyqxmd.com/read/28374775/comparison-for-efficacy-and-tolerability-among-ten-drugs-for-treatment-of-parkinson-s-disease-a-network-meta-analysis
#13
Chuanjun Zhuo, Xiaodong Zhu, Ronghuan Jiang, Feng Ji, Zhonghua Su, Rong Xue, Yuying Zhou
Parkinson's disease (PD) is a long term disorder affects the central nervous system and we aim to determine the relative efficacy of the current available drugs used in PD. Firstly, we performed a systematic review in current literature and eligible studies were retrieved from online databases, relevant data were extracted. Efficacy of these medications was assessed by different Unified Parkinson's Disease Rating Scales (UPDRS). Mean difference (MD) and odds ratio (OR) were produced by pairwise or network meta-analysis (NMA)...
April 4, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28374645/effect-of-bromocriptine-qr-therapy-on-glycemic-control-in-subjects-with-type-2-diabetes-mellitus-whose-dysglycemia-is-inadequately-controlled-on-insulin
#14
RANDOMIZED CONTROLLED TRIAL
Bindu Chamarthi, Anthony H Cincotta
OBJECTIVE: The concurrent use of an insulin sensitizer in type 2 diabetes mellitus (T2DM) patients with inadequate glycemic control on basal-bolus insulin may help improve glycemic control while limiting further insulin requirement. Bromocriptine-QR (B-QR), a quick release, sympatholytic, dopamine D2 receptor agonist therapy for T2DM, is a postprandial insulin sensitizer. This study evaluated the effect of B-QR on dysglycemia in T2DM subjects with suboptimal glycemic control on basal-bolus insulin plus metformin...
May 2017: Postgraduate Medicine
https://www.readbyqxmd.com/read/28348904/central-hyperthermia-treated-with-bromocriptine
#15
P Natteru, P George, R Bell, P Nattanmai, C R Newey
Introduction. Central hyperthermia is common in patients with brain injury. It typically has a rapid onset with high temperatures and marked fluctuations and responds poorly to antibiotics and antipyretics. It is also associated with worse outcomes in the brain injured patient. Recognizing this, it is important to aggressively manage it. Case Report. We report a 34-year-old male with a right thalamic hemorrhage extending to the midbrain and into the ventricles. During his admission, he developed intractable fevers with core temperatures as high as 39...
2017: Case Reports in Neurological Medicine
https://www.readbyqxmd.com/read/28345302/outcome-of-subsequent-pregnancies-in-patients-with-a-history-of-peripartum-cardiomyopathy
#16
Denise Hilfiker-Kleiner, Arash Haghikia, David Masuko, Justus Nonhoff, Dominik Held, Elena Libhaber, Mark C Petrie, Niki L Walker, Edith Podewski, Dominik Berliner, Johann Bauersachs, Karen Sliwa
AIMS: Subsequent pregnancies (SSPs) in patients with peripartum cardiomyopathy (PPCM) have a high risk of heart failure relapse. We report on outcome of SSPs in PPCM patients in Germany, Scotland, and South Africa. METHODS AND RESULTS: Among 34 PPCM patients with a SSP, pregnancy ended prematurely in four patients while it was full-term in 30. Overall relapse rate [left ventricular ejection fraction, LVEF <50% or death after at least 6-month follow-up] was 56% with 12% (4/34) mortality...
March 27, 2017: European Journal of Heart Failure
https://www.readbyqxmd.com/read/28336568/cholinergic-but-not-dopaminergic-or-noradrenergic-enhancement-sharpens-visual-spatial-perception-in-humans
#17
Caterina Gratton, Sahar Yousef, Esther Aarts, Deanna L Wallace, Mark D'Esposito, Michael A Silver
The neuromodulator acetylcholine modulates spatial integration in visual cortex by altering the balance of inputs that generate neuronal receptive fields. These cholinergic effects may provide a neurobiological mechanism underlying the modulation of visual representations by visual spatial attention. However, the consequences of cholinergic enhancement on visuospatial perception in humans are unknown. We conducted two experiments to test whether enhancing cholinergic signaling selectively alters perceptual measures of visuospatial interactions in human subjects...
April 19, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28325648/role-of-bromocriptine-in-multi-spectral-manifestations-of-traumatic-brain-injury
#18
Sunil Munakomi, Binod Bhattarai, Bijoy Mohan Kumar
PURPOSE: Despite the prevalence and cost of traumatic brain injury related disabilities, there is paucity in the literature on modern approaches to pharmacotherapy. Medications may promote recovery by enhancing some neurological functions without impacting others. Herein we discussed the role of bromocriptine in neurorehabilitation for patients with traumatic brain injury. METHODS: A cohort comprising of 36 selective nonsurgical cases of traumatic brain injury in minimally conscious state were enrolled in the study...
April 2017: Chinese Journal of Traumatology, Zhonghua Chuang Shang za Zhi
https://www.readbyqxmd.com/read/28321375/cost-effectiveness-analysis-of-surgical-versus-medical-treatment-of-prolactinomas
#19
Corinna C Zygourakis, Brandon S Imber, Rebecca Chen, Seunggu J Han, Lewis Blevins, Annette Molinaro, James G Kahn, Manish K Aghi
Background Few studies address the cost of treating prolactinomas. We performed a cost-utility analysis of surgical versus medical treatment for prolactinomas. Materials and Methods We determined total hospital costs for surgically and medically treated prolactinoma patients. Decision-tree analysis was performed to determine which treatment produced the highest quality-adjusted life years (QALYs). Outcome data were derived from published studies. Results Average total costs for surgical patients were $19,224 ( ± 18,920)...
April 2017: Journal of Neurological Surgery. Part B, Skull Base
https://www.readbyqxmd.com/read/28283756/dopamine-t-cells-and-multiple-sclerosis-ms
#20
REVIEW
Mia Levite, Franca Marino, Marco Cosentino
Dopamine is a key neurotransmitter that induces critical effects in the nervous system and in many peripheral organs, via 5 dopamine receptors (DRs): D1R-D5R. Dopamine also induces many direct and very potent effects on many DR-expressing immune cells, primarily T cells and dendritic cells. In this review, we focus only on dopamine receptors, effects and production in T cells. Dopamine by itself (at an optimal concentration of~0.1 nM) induces multiple function of resting normal human T cells, among them: T cell adhesion, chemotactic migration, homing, cytokine secretion and others...
March 10, 2017: Journal of Neural Transmission
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