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https://www.readbyqxmd.com/read/28431202/pharmacological-interventions-for-acute-pancreatitis
#1
REVIEW
Elisabetta Moggia, Rahul Koti, Ajay P Belgaumkar, Federico Fazio, Stephen P Pereira, Brian R Davidson, Kurinchi Selvan Gurusamy
BACKGROUND: In people with acute pancreatitis, it is unclear what the role should be for medical treatment as an addition to supportive care such as fluid and electrolyte balance and organ support in people with organ failure. OBJECTIVES: To assess the effects of different pharmacological interventions in people with acute pancreatitis. SEARCH METHODS: We searched the Cochrane Central Register of Controlled Trials (CENTRAL, 2016, Issue 9), MEDLINE, Embase, Science Citation Index Expanded, and trial registers to October 2016 to identify randomised controlled trials (RCTs)...
April 21, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28431132/revealing-the-biochemical-and-genetic-basis-of-colour-variation-in-a-polymorphic-lizard
#2
Claire A McLean, Adrian Lutz, Katrina J Rankin, Devi Stuart-Fox, Adnan Moussalli
Determining the mechanistic and genetic basis of animal coloration is essential to understand the costs and constraints on colour production, and the evolution and maintenance of phenotypic variation. However, genes underlying structural colour and widespread pigment classes apart from melanin remain largely uncharacterised, in part due to restricted taxonomic focus. We combined liquid chromatography-mass spectrometry and RNA-seq gene expression analyses to characterise the pigments and genes associated with skin colour in the polymorphic lizard, Ctenophorus decresii...
April 18, 2017: Molecular Biology and Evolution
https://www.readbyqxmd.com/read/28430806/incidence-and-risk-factors-for-post-penetrating-keratoplasty-glaucoma-a-systematic-review-and-meta-analysis
#3
Suqian Wu, Jianjiang Xu
OBJECTIVES: To establish the incidence and risk factors for post penetrating keratoplasty glaucoma (PKKG). METHODS: Studies published between 1947 and 2016 regarding penetrating keratoplasty (PK) were identified using an electronic search and reviewed. For search purpose, PKKG was defined as ocular hypertension (> 21mmHg) after PK. The incidence and risk factors of PKKG were extracted for all studies. Pooled incidence, odd ratios (ORs) and 95% confidence intervals (CIs) were calculated...
2017: PloS One
https://www.readbyqxmd.com/read/28430773/is-dexamethasone-as-effective-as-other-corticosteroids-for-acute-asthma-exacerbation-in-children
#4
Gonzalo A Bravo-Soto, Constanza Harismendy, Pamela Rojas, Rodrigo Silva, Pamela von Borries
Dexamethasone has been proposed as an alternative in the treatment of acute asthma exacerbation in children. It allows shortening the duration of treatment, reducing costs and adverse effects. However, it is not clear whether its efficacy is similar to the traditional steroid regimen. To answer this question, we searched in Epistemonikos database, which is maintained by screening multiple information sources. We identified six systematic reviews including 10 randomized trials. We extracted data, conducted a meta-analysis and generated a summary of findings table using the GRADE approach...
April 18, 2017: Medwave
https://www.readbyqxmd.com/read/28430767/are-steroids-effective-in-toxic-epidermal-necrolysis-and-stevens-johnson-syndrome
#5
Rodrigo Meza, Gabriel Rada, Pablo Varas
Toxic epidermal necrolysis and Stevens-Johnson syndrome are severe adverse skin reactions to medications and infections. Steroids are described as a therapeutic alternative, but their use is still controversial. To answer this question, we searched in Epistemonikos database, which is maintained by screening multiple information sources. We identified four systematic reviews including 11 primary studies answering the question of interest. We extracted data, conducted a meta-analysis and generated a summary of findings table using the GRADE approach...
April 5, 2017: Medwave
https://www.readbyqxmd.com/read/28430631/loss-of-steroid-hormone-receptors-is-common-in-malignant-pleural-and-peritoneal-effusions-of-breast-cancer-patients-treated-with-endocrine-therapy
#6
Willemijne A M E Schrijver, Karianne Schuurman, Annelot van Rossum, Ton Peeters, Natalie Ter Hoeve, Wilbert Zwart, Paul J van Diest, Cathy B Moelans
Discordance in estrogen receptor alpha (ERα), progesterone receptor (PR), androgen receptor (AR) and human epidermal growth factor receptor 2 (HER2) status between primary breast cancers and solid distant metastases ("conversion") has been reported previously. Even though metastatic spread to the peritoneal and pleural cavities occurs frequently and is associated with high mortality, the rate of receptor conversion and the prognostic implications thereof remain elusive.We therefore determined receptor conversion in 91 effusion metastases (78 pleural, 13 peritoneal effusions) of 69 patients by immunohistochemistry (IHC) and in situ hybridization...
February 20, 2017: Oncotarget
https://www.readbyqxmd.com/read/28430630/estrogen-and-androgen-converting-enzymes-17%C3%AE-hydroxysteroid-dehydrogenase-and-their-involvement-in-cancer-with-a-special-focus-on-17%C3%AE-hydroxysteroid-dehydrogenase-type-1-2-and-breast-cancer
#7
REVIEW
Erik Hilborn, Olle Stål, Agneta Jansson
Sex steroid hormones such as estrogens and androgens are involved in the development and differentiation of the breast tissue. The activity and concentration of sex steroids is determined by the availability from the circulation, and on local conversion. This conversion is primarily mediated by aromatase, steroid sulfatase, and 17β-hydroxysteroid dehydrogenases. In postmenopausal women, this is the primary source of estrogens in the breast. Up to 70-80% of all breast cancers express the estrogen receptor-α, responsible for promoting the growth of the tissue...
February 20, 2017: Oncotarget
https://www.readbyqxmd.com/read/28430429/potential-glucocorticoid-and-mineralocorticoid-effects-of-nine-organophosphate-flame-retardants
#8
Quan Zhang, Jinghua Wang, Jianqiang Zhu, Jing Liu, Meirong Zhao
Organophosphate flame retardants (OPFRs), as alternatives of polybrominated diphenyl ethers (PBDEs), have been frequently detected in the environment and biota, and could pose adverse effects on organisms. However, information on the potential endocrine disruption of OPFRs, especially their effects on steroid hormone receptors, such as glucocorticoid and mineralocorticoid receptors (GR/MR), is limited. In this study, the dual-luciferase reporter gene assay via GR/MR and a H295R steroidogenesis assay were employed to evaluate the endocrine disruption of nine OPFRs...
April 21, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28430383/assessment-of-disease-specific-knowledge-in-australian-children-with-inflammatory-bowel-disease-and-their-parents
#9
Andrew S Day, Gaithri Mylvaganam, Nollaig Shalloo, Cathy Clarkson, Steven T Leach, Daniel A Lemberg
AIMS: Disease-specific knowledge may influence disease outcome and quality of life in children with inflammatory bowel disease (IBD). This prospective study aimed to define IBD-related knowledge in a group of Australian children with IBD and their parents using a validated measure of disease-specific knowledge, the Inflammatory Bowel Disease Knowledge Inventory Device (IBD-KID). METHODS: Children (less than 18 years) diagnosed with IBD who were members of the Australian patient support organisation were identified...
April 21, 2017: Journal of Paediatrics and Child Health
https://www.readbyqxmd.com/read/28430170/current-management-of-gout-practical-messages-from-eular-2016-guidelines
#10
George Nuki, Michael Doherty, Pascal Richette
The European League Against Rheumatism published updated recommendations for the management of gout in 2016, comprising 3 overarching principles and 11 key recommendations for clinical practice. Patient education about the pathophysiology of gout and its comorbidities, as well as the existence of effective treatments are important, and understanding the principles of managing acute attacks and eliminating urate crystals by lifelong lowering of the serum urate (SU) below a target level are essential. Advice about lifestyle, diet, weight, and other risk factors, as well as the need to screen for, and manage, comorbidities is emphasized...
April 21, 2017: Polish Archives of Internal Medicine
https://www.readbyqxmd.com/read/28430151/na-k-pump-and-beyond-na-k-atpase-as-a-modulator-of-apoptosis-and-autophagy
#11
REVIEW
Cassiano Felippe Gonçalves-de-Albuquerque, Adriana Ribeiro Silva, Camila Ignácio da Silva, Hugo Caire Castro-Faria-Neto, Patrícia Burth
Lung cancer is a leading cause of global cancer deaths. Na/K-ATPase has been studied as a target for cancer treatment. Cardiotonic steroids (CS) trigger intracellular signalling upon binding to Na/K-ATPase. Normal lung and tumour cells frequently express different pump isoforms. Thus, Na/K-ATPase is a powerful target for lung cancer treatment. Drugs targeting Na/K-ATPase may induce apoptosis and autophagy in transformed cells. We argue that Na/K-ATPase has a role as a potential target in chemotherapy in lung cancer treatment...
April 21, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28429885/intravenous-self-administration-of-benzydamine-a-non-steroidal-anti-inflammatory-drug-with-a-central-cannabinoidergic-mechanism-of-action
#12
Riccardo Avvisati, Maria Meringolo, Emiliana Stendardo, Elisa Malavasi, Silvia Marinelli, Aldo Badiani
Benzydamine (BZY) is a non-steroidal anti-inflammatory drug used for the topical treatment of inflammations of the oral and vaginal mucosae. Virtually nothing is known about the central pharmacological actions of BZY. Yet there are reports of voluntary systemic overdosage of BZY in drug addicts, resulting in a euphoric, hallucinatory state. In the present study, we investigated the reinforcing properties of BZY in a rat self-administration paradigm. We found that BZY has a powerful reinforcing effect and that this effect is greatly facilitated in animals that already had substance experience, having previously self-administered heroin and cocaine, indicating cross sensitization between BZY and other common drugs of abuse...
April 21, 2017: Addiction Biology
https://www.readbyqxmd.com/read/28429695/lichenoid-type-cutaneous-hyperpigmentation-induced-by-nebivolol
#13
Abdullah Nabi Aslan, Murat Can Güney, Murat Akçay, Telat Keleş, Engin Bozkurt
Cutaneous hyperpigmentation is a common and well-defined side effect of many drugs, such as non-steroidal anti-inflammatory drugs, beta-blockers, and tetracyclines, but to the best of our knowledge there is no case of skin discoloration related to nebivolol in the literature. Presently described is lichenoid type cutaneous hyperpigmentation in a 46-year-old female patient. Hyperpigmentation emerged 3 months after initiating use of nebivolol and resolved after cessation of drug use. It was concluded that effect emerged as result of therapeutic doses of nebivolol...
April 2017: Türk Kardiyoloji Derneği Arşivi: Türk Kardiyoloji Derneğinin Yayın Organıdır
https://www.readbyqxmd.com/read/28429628/relationship-of-steroid-dosing-and-duration-of-mechanical-ventilation-in-adult-patients-with-acute-exacerbations-of-chronic-obstructive-pulmonary-disease
#14
Jennifer McCann, Katherine Teare, Emily Cochard, Brent Toney
BACKGROUND: The optimal steroid dose for patients who require mechanical ventilation (MV) for acute exacerbation of chronic obstructive pulmonary disease (AECOPD) is unknown. OBJECTIVE: The primary objective of the study is to describe the relationship between steroid doses prescribed and duration of MV. METHODS: This was a retrospective study of patients admitted between October 2013 and September 2014 who were prescribed steroids and received MV for ≥48 hours for AECOPD...
January 1, 2017: Journal of Pharmacy Practice
https://www.readbyqxmd.com/read/28429243/slco1b1-polymorphisms-and-plasma-estrone-conjugates-in-postmenopausal-women-with-er-%C3%A2-breast-cancer-genome-wide-association-studies-of-the-estrone-pathway
#15
Tanda M Dudenkov, James N Ingle, Aman U Buzdar, Mark E Robson, Michiaki Kubo, Irada Ibrahim-Zada, Anthony Batzler, Gregory D Jenkins, Tracy L Pietrzak, Erin E Carlson, Poulami Barman, Matthew P Goetz, Donald W Northfelt, Alvaro Moreno-Aspita, Clark V Williard, Krishna R Kalari, Yusuke Nakamura, Liewei Wang, Richard M Weinshilboum
BACKGROUND: Estrone (E1), the major circulating estrogen in postmenopausal women, promotes estrogen-receptor positive (ER+) breast tumor growth and proliferation. Two major reactions contribute to E1 plasma concentrations, aromatase (CYP19A1) catalyzed E1 synthesis from androstenedione and steroid sulfatase (STS) catalyzed hydrolysis of estrone conjugates (E1Cs). E1Cs have been associated with breast cancer risk and may contribute to tumor progression since STS is expressed in breast cancer where its activity exceeds that of aromatase...
April 20, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28429201/how-to-approach-lymphocytic-esophagitis
#16
REVIEW
Anh D Nguyen, Kerry B Dunbar
PURPOSE OF REVIEW: Lymphocytic esophagitis (LE) is an unusual esophageal condition defined by an increased number of lymphocytes in the esophageal epithelium. With few published studies of LE available, it is unclear whether LE is a truly distinct clinical entity or a histological manifestation of other known gastrointestinal disorders. This review summarizes recent studies of lymphocytic esophagitis. RECENT FINDINGS: Studies have suggested that LE may be related to eosinophilic esophagitis (EoE) or a manifestation of gastroesophageal reflux disease (GERD)...
June 2017: Current Gastroenterology Reports
https://www.readbyqxmd.com/read/28428441/selective-glucocorticoid-receptor-modulators-sgrms-delay-castrate-resistant-prostate-cancer-growth
#17
Jacob Kach, Tiha M Long, Phillip Selman, Eva Y Tonsing-Carter, Maria A Bacalao, Ricardo R Lastra, Larischa de Wet, Shane Comiskey, Marc Gillard, Calvin VanOpstall, Diana C West, Wen-Ching Chan, Donald Vander Griend, Suzanne D Conzen, Russell Z Szmulewitz
Increased glucocorticoid receptor (GR) expression and activity following androgen blockade can contribute to castration-resistant prostate cancer (CRPC) progression. Therefore, we hypothesized that GR antagonism will have therapeutic benefit in CRPC. However, the FDA-approved nonselective, steroidal GR antagonist, mifepristone, lacks GR specificity, reducing its therapeutic potential. Here we report that two novel non-steroidal and highly selective GR modulators (SGRMs), CORT118335 and CORT108297, have the ability to block GR activity in prostate cancer (PC) and slow CRPC progression...
April 20, 2017: Molecular Cancer Therapeutics
https://www.readbyqxmd.com/read/28428343/mechanisms-of-autophagy-induction-by-sex-steroids-in-bovine-mammary-epithelial-cells
#18
Katarzyna Zielniok, Agnieszka Sobolewska, Malgorzata Gajewska
In dairy cattle mammary gland involution serves to remodel the secretory tissue, and occurs in a period of overlap between mammogenic stimulation caused by next developing pregnancy and tissue regression induced by milk stasis. At this time high concentrations of 17β-estradiol (E2) and progesterone (P4) support regeneration of the mammary tissue, as well as enhance autophagy, a cellular process induced in response to stressful conditions for energy generation and homeostasis maintenance. This study aimed to elucidate the mechanisms of autophagy induction by E2 and P4 using an in vitro model of involution based on 20-fold reduction of FBS content (from 10% to 0...
April 20, 2017: Journal of Molecular Endocrinology
https://www.readbyqxmd.com/read/28428226/rapid-throughput-analysis-of-gabaa-receptor-subtype-modulators-and-blockers-using-disbac1-3-membrane-potential-red-dye
#19
Atefeh Mousavi Nik, Brandon Pressly, Vikrant Singh, Shane Antrobus, Susan Hulsizer, Michael A Rogawski, Heike Wulff, Isaac N Pessah
Fluorometric Imaging Plate Reader (FLIPR®) membrane potential dye (FMP-Red-Dye) is a proprietary tool for basic discovery and high throughput drug screening for G-protein coupled receptors and ion channels. We optimized and validated this potentiometric probe to assay functional modulators of heterologous expressed GABAA receptor (GABAAR) isoforms (synaptic α1β3γ2, extrasynaptic α4β3δ, and β3 homopentomers). High-resolution mass spectrometry identified FMP-Red-dye as DisSBAC1(3). GABAAR expressing cells equilibrated with FMP-Red-Dye exhibited depolarized equilibrium membrane (Em) potentials compared to GABAAR-null cells...
April 20, 2017: Molecular Pharmacology
https://www.readbyqxmd.com/read/28428205/measurable-supratentorial-white-matter-volume-changes-in-patients-with-diffuse-intrinsic-pontine-glioma-treated-with-an-anti-vascular-endothelial-growth-factor-agent-steroids-and-radiation
#20
P Svolos, W E Reddick, A Edwards, A Sykes, Y Li, J O Glass, Z Patay
BACKGROUND AND PURPOSE: Assessing the response to treatment in infiltrative brain tumors by using lesion volume-based response criteria is challenging. We hypothesized that in such tumors, volume measurements alone may not accurately capture changes in actual tumor burden during treatment. We longitudinally evaluated volume changes in both normal-appearing supratentorial white matter and the brain stem lesions in patients treated for diffuse intrinsic pontine glioma to determine to what extent adjuvant systemic therapies may skew the accuracy of tumor response assessments based on volumetric analysis...
April 20, 2017: AJNR. American Journal of Neuroradiology
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