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Steroid profiling

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https://www.readbyqxmd.com/read/27913724/novel-application-of-steroid-eluting-stents-in-choanal-atresia-repair-a-case-series
#1
John N Bangiyev, Nandini Govil, Anthony Sheyn, Michael Haupert, Prasad John Thottam
PURPOSE: To describe the application of mometasone furoate eluting sinus stent technology in the treatment of choanal atresia (CA) in the hopes of preventing postsurgical stenosis. METHODS: We analyzed 3 consecutive patients aged 4 days to 16 years undergoing repair of CA at a tertiary pediatric hospital. Mometasone furoate eluting sinus stents were placed intraoperatively. Postoperative need for revision surgery as well as routine surveillance endoscopy were used to determine success of surgery...
January 2017: Annals of Otology, Rhinology, and Laryngology
https://www.readbyqxmd.com/read/27910174/combined-application-of-uhplc-qtof-ms-hplc-elsd-and-1-h-nmr-spectroscopy-for-quality-assessment-of-da-9801-a-standardised-dioscorea-extract
#2
Kyo Bin Kang, Jayoung Ryu, Youngwoong Cho, Sang-Zin Choi, Miwon Son, Sang Hyun Sung
INTRODUCTION: DA-9801, a standardised 50% aqueous ethanolic extract of a mixture of Dioscorea japonica and D. nipponica, is a botanical drug candidate for the treatment of diabetic neuropathy, which finished its US phase II clinical trials recently. An advanced quality control method is needed for further development of DA-9801, considering its high contents of both primary and secondary metabolites. OBJECTIVE: Development of a quality assessment strategy for DA-9801, based on the combination of UHPLC-QTOF/MS, HPLC-ELSD, and (1) H-NMR spectroscopy...
December 1, 2016: Phytochemical Analysis: PCA
https://www.readbyqxmd.com/read/27906944/the-safety-of-ct-guided-epidural-steroid-injections-in-an-older-patient-cohort
#3
Andrew J Fenster, Kevin Fernandes, Alan L Brook, Todd Miller
BACKGROUND: Epidural steroid injections (ESIs) are a common method for treating lower back pain, which is one of the most prevalent health-related complaints in the adult US population. Although the safety of CT-guided ESIs has been extensively studied in adults, there is limited data concerning the procedure's safety profile in an older patient population. OBJECTIVE: This retrospective study analyzed safety data among a single-center cohort of patients > 65 years-old who received one or more CT-guided interlaminar ESIs from 2012 to 2015...
November 2016: Pain Physician
https://www.readbyqxmd.com/read/27906108/heme-oxygenase-and-carbon-monoxide-protect-from-muscle-dystrophy
#4
Mun Chun Chan, Olivia Ziegler, Laura Liu, Glenn C Rowe, Saumya Das, Leo E Otterbein, Zoltan Arany
BACKGROUND: Duchenne muscle dystrophy (DMD) is one of the most common lethal genetic diseases of children worldwide and is 100% fatal. Steroids, the only therapy currently available, are marred by poor efficacy and a high side-effect profile. New therapeutic approaches are urgently needed. METHODS: Here, we leverage PGC-1α, a powerful transcriptional coactivator known to protect against dystrophy in the mdx murine model of DMD, to search for novel mechanisms of protection against dystrophy...
November 28, 2016: Skeletal Muscle
https://www.readbyqxmd.com/read/27901643/bilateral-testicular-tumors-resulting-in-recurrent-cushing-s-syndrome-after-bilateral-adrenalectomy
#5
Troy Puar, Manon Engels, Antonius E van Herwaarden, Fred C G J Sweep, Christina Hulsbergen-van de Kaa, Karin Kamphuis-van Ulzen, Vasileios Chortis, Wiebke Arlt, Nike Stikkelbroeck, Hedi L Claahsen-van der Grinten, Ad R M M Hermus
CONTEXT: Recurrence of hypercortisolism in patients after bilateral adrenalectomy for Cushing's disease is extremely rare. PATIENT: We present a rare case of a 27-year-old man who previously underwent bilateral adrenalectomy for Cushing's disease with complete clinical resolution. Cushingoid features recurred 12 years later, along with bilateral testicular enlargement. Hormonal tests confirmed ACTH-dependent Cushing's. Surgical resection of the testicular tumors led to clinical and biochemical remission...
November 30, 2016: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/27900352/genomic-data-on-breast-cancer-transcript-profile-modulation-by-17beta-hydroxysteroid-dehydrogenase-type-1-and-17-beta-estradiol
#6
Juliette A Aka, Ezequiel-Luis Calvo, Sheng-Xiang Lin
The data presented here are related to the research article entitled "Estradiol-independent modulation of breast cancer transcript profile by 17beta-hydroxysteroid dehydrogenase type 1" (J.A. Aka, E.L. Calvo, S.X. Lin, 2016) [1]. We evaluated the effect of the steroidal enzyme 17β-HSD1 and its product, the estrogenic hormone 17-beta-estradiol (E2), on gene transcription profile of breast cancer cells. RNA interference technique was used to knock down the 17β-HSD1 gene (HSD17B1) in the hormone-dependent breast cancer cell line T47D in steroid-deprived medium...
December 2016: Data in Brief
https://www.readbyqxmd.com/read/27900259/dietary-fat-and-gut-microbiota-interactions-determine-diet-induced-obesity-in-mice
#7
Raphaela Kübeck, Catalina Bonet-Ripoll, Christina Hoffmann, Alesia Walker, Veronika Maria Müller, Valentina Luise Schüppel, Ilias Lagkouvardos, Birgit Scholz, Karl-Heinz Engel, Hannelore Daniel, Philippe Schmitt-Kopplin, Dirk Haller, Thomas Clavel, Martin Klingenspor
OBJECTIVE: Gut microbiota may promote positive energy balance; however, germfree mice can be either resistant or susceptible to diet-induced obesity (DIO) depending on the type of dietary intervention. We here sought to identify the dietary constituents that determine the susceptibility to body fat accretion in germfree (GF) mice. METHODS: GF and specific pathogen free (SPF) male C57BL/6N mice were fed high-fat diets either based on lard or palm oil for 4 wks. Mice were metabolically characterized at the end of the feeding trial...
December 2016: Molecular Metabolism
https://www.readbyqxmd.com/read/27898283/pregestational-type-2-diabetes-and-gestational-diabetes-exhibit-different-sexual-steroid-profiles-during-pregnancy
#8
Claudio Villarroel, Abril Salinas, Patricia López, Paulina Kohen, Gustavo Rencoret, Luigi Devoto, Ethel Codner
Higher androgen levels are observed in non-pregnant women with diabetes. Whether this hormonal profile is found during pregnancy is unknown. The aim of this study was to determine the sexual steroids levels in pregnant women with pregestational type 2 (T2D) and gestational diabetes (GD) compared to healthy control (C) pregnant women during the second half of pregnancy. A prospective study of 69 pregnant women with T2D (n = 21), GD (n = 24) and control (C, n = 24) was followed up during the second half of gestation...
November 29, 2016: Gynecological Endocrinology
https://www.readbyqxmd.com/read/27894402/hsp90-inhibitor-enhances-anti-proliferative-and-apoptotic-effects-of-celecoxib-on-ht-29-colorectal-cancer-cells-via-increasing-bax-bcl-2-ratio
#9
A Mohammadi, M M Yaghoobi, A GholamhoseynianNajar, B Kalantari-Khandani, H Sharifi, M Saravani
Due to the high prevalence and mortality rate of colorectal cancer (CRC), new treatment approaches like combination therapy seem to be necessary. The relationship between chronic inflammation and colorectal cancer development and progression has been shown to be important. Celecoxib, a selective COX-2 inhibitor, is the only non-steroidal anti-inflammatory drug (NSAID) that has been approved for cancer therapy and prevention. Because of cardiovascular side effects of COX-2 inhibitors, combination therapy may improve the therapeutic profile...
October 31, 2016: Cellular and Molecular Biology
https://www.readbyqxmd.com/read/27894252/transcriptome-analysis-reveals-the-genetic-basis-underlying-the-seasonal-development-of-keratinized-nuptial-spines-in-leptobrachium-boringii
#10
Wei Zhang, Yue Guo, Jun Li, Li Huang, Eric Gilbert Kazitsa, Hua Wu
BACKGROUND: The expression of sexually selected traits often varies with populations' breeding cycles in many animals. The elucidation of mechanisms underlying the expression of such traits is a research topic in evolutionary biology; however, the genetic basis of the seasonal development of their expression remains unknown. Male Leptobrachium boringii develop keratinized nuptial spines on their upper jaw during the breeding season that fall off when the breeding season ends. To illuminate the genetic basis for the expression of this trait and its seasonal development, we assessed the de novo transcriptome for L...
November 28, 2016: BMC Genomics
https://www.readbyqxmd.com/read/27891738/treatment-of-prurigo-nodularis-with-lenalidomide
#11
Lidia Ossorio-García, David Jiménez-Gallo, María Eugenia Rodríguez-Mateos, Cintia Arjona-Aguilera, Mario Linares-Barrios
Prurigo nodularis (PN) is an intensely pruriginous dermatological disorder whose treatment is challenging for dermatologists. It is characterized by eruptions of papules and hyperkeratotic nodules, some of which are eroded, on the extensor surfaces of the limbs. The most commonly used treatments for this condition are oral antihistamines and topical or systemic steroids. Thalidomide is an effective treatment option in cases of recalcitrant PN; however, its most frequent adverse effect is neurotoxicity, which often results in its discontinuation...
November 28, 2016: Dermatologic Therapy
https://www.readbyqxmd.com/read/27891379/rare-occurrence-of-drug-induced-subacute-cutaneous-lupus-erythematosus-with-leflunomide-therapy
#12
Harpreet Singh, Gagandeep Sukhija, Vikram Tanwar, Sameer Arora, Jaikrit Bhutani
Leflunomide is an immunomodulatory drug exhibiting anti-inflammatory, anti-proliferative and immunosuppressive effects. It has been widely used for treatment of active rheumatoid arthritis. Despite its good safety profile cutaneous side effects like alopecia, eczema, pruritis and dry skin have been reported with Leflunomide use. Skin ucleration, vasculitis, lichenoid drug rash and Subacute Cutaneous Lupus Erythematosus (SCLE) have been rarely reported with its use. A rare case of Leflunomide induced SCLE is being reported in a female patient with rheumatoid arthritis...
October 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/27888534/early-steroid-withdrawal-results-in-improved-patient-and-graft-survival-and-lower-risk-of-post-transplant-cardiovascular-risk-profiles-a-single-center-10-year-experience
#13
Reynold Lopez-Soler, Ryan Chan, Jessica Martinolich, Lisa Park, Ashar Ata, Nikolaos Chandolias, David Conti
Long term use of steroids results in predictable secondary effects that can lead to increased morbidity and mortality. In this study, we present 10 years' worth of data of early steroid withdrawal (ESW) immunosuppression consisting of Mycophenolate, Sirolimus, and Tacrolimus. From 2003 to 2013, 563 kidney transplant recipients were weaned off steroids prior to discharge. We compared outcomes with that of our 65 historical controls maintained on steroids. We analyzed graft and patient survival and determined the incidence of steroid-related comorbidities such as hypertension, hypercholesterolemia, diabetes, coronary artery disease, and weight gain...
November 26, 2016: Clinical Transplantation
https://www.readbyqxmd.com/read/27886257/an-evolutionary-conserved-interaction-between-the-gcm-transcription-factor-and-the-sf1-nuclear-receptor-in-the-female-reproductive-system
#14
Pierre B Cattenoz, Claude Delaporte, Wael Bazzi, Angela Giangrande
NR5A1 is essential for the development and for the function of steroid producing glands of the reproductive system. Moreover, its misregulation is associated with endometriosis, which is the first cause of infertility in women. Hr39, the Drosophila ortholog of NR5A1, is expressed and required in the secretory cells of the spermatheca, the female exocrine gland that ensures fertility by secreting substances that attract and capacitate the spermatozoids. We here identify a direct regulator of Hr39 in the spermatheca: the Gcm transcription factor...
November 25, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27881754/neuroendocrine-correlates-of-sex-role-reversal-in-barred-buttonquails
#15
Cornelia Voigt
Sex differences in brain structure and behaviour are well documented among vertebrates. An excellent model exploring the neural mechanisms of sex differences in behaviour is represented by sex-role-reversed species. In the majority of bird species, males compete over access to mates and resources more strongly than do females. It is thought that the responsible brain regions are therefore more developed in males than in females. Because these behaviours and brain regions are activated by androgens, males usually have increased testosterone levels during breeding...
November 30, 2016: Proceedings. Biological Sciences
https://www.readbyqxmd.com/read/27881557/plasma-metabolomics-implicate-modified-transfer-rnas-and-altered-bioenergetics-in-the-outcome-of-pulmonary-arterial-hypertension
#16
Christopher J Rhodes, Pavandeep Ghataorhe, John Wharton, Kevin C Rue-Albrecht, Charaka Hadinnapola, Geoffrey Watson, Marta Bleda, Matthias Haimel, Gerry Coghlan, Paul A Corris, Luke S Howard, David G Kiely, Andrew J Peacock, Joanna Pepke-Zaba, Mark Toshner, Stephen J Wort, J Simon R Gibbs, Allan Lawrie, Stefan Gräf, Nicholas W Morrell, Martin R Wilkins
BACKGROUND: -Pulmonary arterial hypertension (PAH) is a heterogeneous disorder with high mortality. METHODS: -We conducted a comprehensive study of plasma metabolites using ultra-performance liquid chromatography mass-spectrometry to (1) identify patients at high risk of early death, (2) identify patients who respond well to treatment and (3) provide novel molecular insights into disease pathogenesis. RESULTS: -53 circulating metabolites distinguished well-phenotyped patients with idiopathic or heritable PAH (n=365) from healthy controls (n=121) following correction for multiple testing (p<7...
November 21, 2016: Circulation
https://www.readbyqxmd.com/read/27881412/renin-angiotensin-aldosterone-system-inhibitors-improve-membrane-stability-and-change-gene-expression-profiles-in-dystrophic-skeletal-muscles
#17
Jessica A Chadwick, Sayak Bhattacharya, Jeovanna Lowe, Noah Weisleder, Jill A Rafael-Fortney
Angiotensin-converting enzyme inhibitors and mineralocorticoid receptor (MR) antagonists are FDA approved drugs that inhibit the renin-angiotensin-aldosterone system (RAAS) and are used to treat heart failure. Combined treatment with the angiotensin-converting enzyme inhibitor lisinopril and the non-specific MR antagonist spironolactone surprisingly improves skeletal muscle, in addition to heart function and pathology in a Duchenne muscular dystrophy mouse model. We recently demonstrated that MR is present in all limb and respiratory muscles and functions as a steroid hormone receptor in differentiated normal human skeletal muscle fibers...
November 23, 2016: American Journal of Physiology. Cell Physiology
https://www.readbyqxmd.com/read/27876682/mycophenolate-mofetil-is-a-valid-option-in-patients-with-inflammatory-bowel-disease-resistant-to-tnf-%C3%AE-inhibitors-and-conventional-immunosuppressants
#18
Fabio Salvatore Macaluso, Marcello Maida, Sara Renna, Emanuele Orlando, Marco Affronti, Chiara Sapienza, Mariangela Dimarco, Rosalba Orlando, Giulia Rizzuto, Mario Cottone, Ambrogio Orlando
BACKGROUND: Few studies investigated the role of mycophenolate mofetil in inflammatory bowel disease, and none of them had specifically focused on patients with previous multiple intolerances and/or nonresponses to conventional immunosuppressants and biologics. AIMS: To evaluate clinical benefit and tolerability profile of mycophenolate mofetil in patients with inflammatory bowel disease and limited treatment options. METHODS: All consecutive patients with previous multiple intolerances and/or nonresponses to immunosuppressants and biologics who started an off-label treatment with mycophenolate mofetil from January 2014 to February 2016 were entered in a prospectively maintained database...
October 14, 2016: Digestive and Liver Disease
https://www.readbyqxmd.com/read/27876568/design-synthesis-and-biological-evaluation-of-steroidal-analogs-as-estrogenic-anti-estrogenic-agents
#19
Abdulrhman Alsayari, Lucas Kopel, Mahmoud Salama Ahmed, Adam Pay, Taylor Carlson, Fathi T Halaweish
Series of estrone based analogs were synthetically investigated at positions C-9, C-11, C-16, and C-17 positions, to be biologically evaluated via assessment of cell proliferation, cytotoxicity, and estrogenic / anti-estrogenic activity. LA-7 and LA-10 revealed their potential to exhibit inhibitory estrogenic profile. This was further validated by Estrogen Receptor-α (ER- α) and Estrogen Receptor-β (ER- β) competitive binding assays to reveal the high selective affinity of LA-7 towards ER-α at 5.49 μM, while LA-10 did not show any binding affinity towards neither ER-α nor ER-β; suggesting another mechanism for inhibition...
November 19, 2016: Steroids
https://www.readbyqxmd.com/read/27872562/development-of-quality-standards-of-medicinal-mistletoe-helicanthes-elastica-desr-danser-employing-pharmacopoeial-procedures
#20
K N Sunil Kumar, B Ravishankar, B Yashovarma, R Rajakrishnan, J Thomas
Helicanthes elastica (Desr.) Danser (Loranthaceae), commonly known as Indian mango mistletoe, is a parasitic shrub found widely growing on mango trees in southern India. Development of monographic quality standards is need of the hour for Pharmacopoeial/extra-Pharmacopoeial and folk medicinal plants. Systematic pharmacognostical evaluation of leaves of H. elastica has been carried out employing Pharmacopoeial procedures of testing herbal drugs. Macro-microscopic features of H. elastica leaf were recorded. Ethanolic extract was tested positive for alkaloids, steroids, carbohydrates, tannins, saponins and phenols...
November 2016: Saudi Journal of Biological Sciences
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