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https://www.readbyqxmd.com/read/29342161/association-between-circulating-levels-of-sex-steroid-hormones-and-esophageal-adenocarcinoma-in-the-finbar-study
#1
Jessica L Petrick, Roni T Falk, Paula L Hyland, Patrick Caron, Ruth M Pfeiffer, Shannon N Wood, Sanford M Dawsey, Christian C Abnet, Philip R Taylor, Chantal Guillemette, Liam J Murray, Lesley A Anderson, Michael B Cook
BACKGROUND: Esophageal adenocarcinoma (EA) is characterized by a strong male predominance. Sex steroid hormones have been hypothesized to underlie this sex disparity, but no population-based study to date has examined this potential association. METHODS: Using mass spectrometry and ELISA, we quantitated sex steroid hormones and sex hormone binding globulin, respectively, in plasma from males- 172 EA cases and 185 controls-within the Factors Influencing the Barrett/Adenocarcinoma Relationship (FINBAR) Study, a case-control investigation conducted in Northern Ireland and Ireland...
2018: PloS One
https://www.readbyqxmd.com/read/29342032/angiomatosis-of-the-orbit-clinical-imaging-and-histologic-findings
#2
Kaveh Vahdani, Yoon-Duck Kim, Yeon-Lim Suh, Jeong Hee Kim
Angiomatosis is a complex vascular malformation that denotes a clinically extensive hemangioma, which either involves multiple tissue planes or extensively infiltrates 1 type of tissue. It is a rare condition characterized by diffuse proliferation of blood vessels admixed with fat and fibrotic tissue. Typically, this process involves the limbs in multiple tissue planes, including dermis, subcutis, muscle, and bone. In this report, the authors present the first case of angiomatosis infiltrating the orbit, controlled effectively with a combination of systemic steroids, radiation, and beta-blocker therapy...
January 16, 2018: Ophthalmic Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/29341936/rheumatic-manifestations-among-cancer-patients-treated-with-immune-checkpoint-inhibitors
#3
REVIEW
Merav Lidar, Eitan Giat, Daniela Garelick, Yuval Horowitz, Howard Amital, Yael Steinberg-Silman, Jacob Shachter, Ronnie Shapira-Frommer, Gal Markel
BACKGROUND: The use of immune checkpoint inhibitors (ICI) has grown incessantly since they were first approved in 2014. These monoclonal antibodies inhibit T cell activation, yielding a dramatic tumor response with improved survival. However, immunotherapy is frequently hampered by immune adverse events (iAE) such as hypophysitis, colitis, hepatitis, pneumonitis and rash. Until recently, rheumatic side effects were only infrequently reported. Aim To describe the rheumatic manifestations encountered among patients treated with ICIs in a large tertiary cancer center in Israel METHODS: The cancer center's patient registry was screened for patients who had ever been treated with ipilimumab, pembrolizumab and/or nivolumab with relevant data gathered from clinical charts...
January 13, 2018: Autoimmunity Reviews
https://www.readbyqxmd.com/read/29341299/autonomous-purkinje-cell-axonal-dystrophy-causes-ataxia-in-peroxisomal-multifunctional-protein-2-deficiency
#4
Stephanie De Munter, Dorien Bamps, Ana Rita Malheiro, Ritesh Kumar Baboota, Pedro Brites, Myriam Baes
BACKGROUND: Peroxisomes play a crucial role in normal neurodevelopment and in the maintenance of the adult brain. This depends largely on intact peroxisomal β-oxidation given the similarities in pathologies between peroxisome biogenesis disorders and deficiency of multifunctional protein-2 (MFP2), the central enzyme of this pathway. Recently, adult patients diagnosed with cerebellar ataxia were shown to have mild mutations in the MFP2 gene, hydroxy-steroid dehydrogenase (17 beta) type 4 (HSD17B4)...
January 17, 2018: Brain Pathology
https://www.readbyqxmd.com/read/29341230/successful-treatment-of-rituximab-and-steroid-resistant-nephrotic-syndrome-with-leukocytapheresis
#5
Maiko Takakura, Masaki Shimizu, Mao Mizuta, Natsumi Inoue, Yuko Tasaki, Kazuhide Ohta, Kengo Furuichi, Takashi Wada, Akihiro Yachie
Although rituximab (RTX) is a promising therapeutic agent for treating steroid-resistant nephrotic syndrome (SRNS) resistant to various immunosuppressive agents, some patients have shown resistance to RTX. We report the case of a patient with RTX-resistant nephrotic syndrome and SRNS who was successfully treated with leukocytapheresis (LCAP). After LCAP, there was a significant reduction in proteinuria and in the total number of lymphocytes, T cells, and HLA-DR+- activated T cells. Moreover, the patient became sensitive to steroids and RTX...
January 16, 2018: Journal of Clinical Apheresis
https://www.readbyqxmd.com/read/29341163/extent-of-surgery-for-phaeochromocytomas-in-the-genomic-era
#6
REVIEW
H M Rossitti, P Söderkvist, O Gimm
BACKGROUND: Germline mutations are present in 20-30 per cent of patients with phaeochromocytoma. For patients who develop bilateral disease, complete removal of both adrenal glands (total adrenalectomy) will result in lifelong adrenal insufficiency with an increased risk of death from adrenal crisis. Unilateral/bilateral adrenal-sparing surgery (subtotal adrenalectomy) offers preservation of cortical function and independence from steroids, but leaves the adrenal medulla in situ and thus at risk of developing new and possibly malignant disease...
January 2018: British Journal of Surgery
https://www.readbyqxmd.com/read/29340907/harnessing-a-different-dependency-how-to-identify-and-target-androgen-receptor-positive-versus-quadruple-negative-breast-cancer
#7
REVIEW
Jessica L Christenson, Jane B Trepel, Haythem Y Ali, Sunmin Lee, Joel R Eisner, Edwina S Baskin-Bey, Anthony D Elias, Jennifer K Richer
The androgen receptor (AR) is a promising therapeutic target for a subset of triple-negative breast cancers (TNBCs) in which AR is expressed. However, the mechanistic action of AR and the degree to which primary and metastatic tumors depend on AR, both before and after conventional treatment, remain to be defined. We discuss preclinical and clinical data for AR+ TNBC, the difficulties in monitoring AR protein levels, new methods for determining AR status, the influence of AR on "stemness" in the context of TNBC, the role of combined inhibition of sex steroid production and AR, and the role of AR in regulation of the immune system...
January 16, 2018: Hormones & Cancer
https://www.readbyqxmd.com/read/29340879/diethylstilbestrol-arrested-spermatogenesis-and-somatic-growth-in-the-juveniles-of-yellow-catfish-pelteobagrus-fulvidraco-a-fish-with-sexual-dimorphic-growth
#8
Zhi-Hao Liu, Qi-Liang Chen, Qiang Chen, Fang Li, Ying-Wen Li
In fish, spermatogenesis and somatic growth are mainly regulated by hypothalamic-pituitary-gonadal (HPG) and hypothalamic-pituitary-somatic (HPS) axes, respectively. Xenoestrogens have been reported to impair spermatogenesis in some fishes, and arrest somatic growth in some others, whereas, whether xenoestrogens are capable of disrupting spermatogenesis and somatic growth simultaneously in fish that exhibits sexual dimorphic growth is little known, and the underlying mechanisms remain poorly understood. In this study, male juveniles of yellow catfish (Pelteobagrus fulvidraco), which exhibits a sexual dimorphic growth that favors males, were exposed to diethylstilbestrol (DES) for 28 days...
January 16, 2018: Fish Physiology and Biochemistry
https://www.readbyqxmd.com/read/29340845/dihydrotestosterone-treatment-accelerates-autograft-reversal-sciatic-nerve-regeneration-in-rats
#9
Xiaofan Yang, Pingping Xue, Ruozheng Wei, Xin Liu, Xiang Xu, Zhenyu Liu, Yanhua Chen, Zhenbing Chen
Neuroactive steroids such as progesterone, testosterone, and their derivatives have been widely studied for their neuroprotective roles in the nervous system. Autologous nerve transplantation is considered as the gold standard repair technique when primary suture is impossible; nevertheless, this method is far from ideal. In this study, we aimed to explore the impact of dihydrotestosterone (DHT), a 5α-reduced derivative of testosterone, on the recovery of peripheral nerve injury treated with autologous nerve transplantation...
January 16, 2018: Neurochemical Research
https://www.readbyqxmd.com/read/29340257/symmetrical-drug-related-intertriginous-and-flexural-exanthema-induced-by-doxycycline
#10
David G Li, Cristina Thomas, Gil S Weintraub, Arash Mostaghimi
Symmetrical drug-related intertriginous and flexural exanthema (SDRIFE) is a cutaneous drug reaction characterized by erythema over the buttocks, thighs, groin, and flexural regions most commonly associated with the use of beta-lactam antibiotics. Although the exact pathophysiology of this disease remains unknown, it is theorized to be the result of a delayed hypersensitivity response presenting as a cutaneous eruption days to weeks after exposure to the drug. The treatment involves discontinuation of the suspected medication, symptomatic control of pruritus, and topical steroid therapy...
November 10, 2017: Curēus
https://www.readbyqxmd.com/read/29340241/risk-factors-for-osteoporosis-in-male-patients-with-chronic-obstructive-pulmonary-disease-in-taiwan
#11
Chu-Hsu Lin, Kai-Hua Chen, Chien-Min Chen, Chia-Hao Chang, Tung-Jung Huang, Chia-Hung Lin
Objective: To investigate the risk factors for osteoporosis in male Taiwanese patients with chronic obstructive pulmonary disease (COPD). Methods: This cross-sectional study evaluated male COPD outpatients and age-matched male subjects at a regional teaching hospital. The following data were obtained and analyzed: bone mineral density of the lumbar spine and hip on dual-energy X-ray absorptiometry, demographic characteristics, questionnaire interview results, pulmonary function test results, chest posterior-anterior radiographic findings, and biochemical and high-sensitivity C-reactive protein (hs-CRP) levels...
2018: PeerJ
https://www.readbyqxmd.com/read/29340167/subcutaneous-glucagon-infusion-and-continuous-glucose-monitoring-enable-effective-management-of-hypoglycemia-in-a-patient-with-igf-2-producing-hemangiopericytoma
#12
Eric D Buras, Emily Weatherup, Jennifer Wyckoff
Background: Ectopic insulin-like growth factor (IGF)-2 production is a rare complication of an array of epithelial and mesenchymal tumors, and can clinically manifest as life-threatening hypoglycemia. Case presentation: A 49-year-old woman with 13-year history of metastatic hemangiopericytoma, previously treated with multiple rounds of chemotherapy and palliative radiation, presented to the emergency department after a hypoglycemic seizure. On arrival, glucose was 18 mg/dL (1...
2018: Clinical Diabetes and Endocrinology
https://www.readbyqxmd.com/read/29340149/acute-kidney-injury-due-to-multiple-hymenoptera-stings-a-clinicopathological-study
#13
Sanjay Vikrant, Anupam Parashar
Background: Acute kidney injury (AKI) after multiple Hymenoptera stings is well known but still a rare phenomenon. Methods: We conducted a retrospective study of the clinicopathological spectrum of AKI due to multiple Hymenoptera stings over 13 years (July 2003-June 2016). Results: A total of 35 patients were diagnosed with AKI due to multiple Hymenoptera stings. The mean age of the patients was 44.7 ± 17.4 years and the majority (60%) were men...
August 2017: Clinical Kidney Journal
https://www.readbyqxmd.com/read/29339844/the-risk-of-deep-vein-thrombosis-in-total-joint-patients-compared-to-orthopaedic-trauma-patients-need-for-new-prevention-guidelines
#14
Michelle Shen, Norele J Cutrera, Ashley C Dodd, Christopher Wallace, Frank R Avilucea, Craig Melbourne, Alex A Jahangir, Hassan H Mir, William T Obremskey, Manish K Sethi
Background: The development of Deep Vein Thrombosis (DVT) is a major concern following orthopaedic surgery. No study has yet to compare the rate and risk factors for DVT between total joint and orthopaedic trauma patients. To evaluate if DVT prophylaxis for trauma should differ from total joints, we explored the rate and risk factors for DVT between both cohorts. Methods: Using a CPT code search from 2005 to 2013 in the ACS-NSQIP database, 150,657 orthopaedic total joint patients and 44,594 orthopaedic trauma patients were identified...
November 2017: Journal of Clinical Orthopaedics and Trauma
https://www.readbyqxmd.com/read/29339807/overexpression-of-%C3%AE-1-6-fucosyltransferase-in-the-development-of-castration-resistant-prostate-cancer-cells
#15
Naseruddin Höti, Shuang Yang, Yingwei Hu, Punit Shah, Michael C Haffner, Hui Zhang
Glycosylation is recognized as one of the most common modifications on proteins. Recent studies have shown that aberrant expression of α (1,6) fucosyltransferase (FUT8), which catalyzes the transfer of fucose from GDP-fucose to core-GlcNAc of the N-linked glycoproteins, modulates cellular behavior that could lead to the development of aggressive prostate cancer. While the relationship between the abnormal expression of FUT8 and glycoprotein fucosylation in different prostate cancer cells has been demonstrated, there is no evidence that shows dysregulated fucosylation might be involved in prostate cancer progression from androgen-dependent to castration-resistant prostate cancer...
January 16, 2018: Prostate Cancer and Prostatic Diseases
https://www.readbyqxmd.com/read/29339801/cardiac-glycoside-aglycones-inhibit-hiv-1-gene-expression-by-a-mechanism-requiring-mek1-2-erk1-2-signaling
#16
Raymond W Wong, Clifford A Lingwood, Mario A Ostrowski, Tyler Cabral, Alan Cochrane
The capacity of HIV-1 to develop resistance to current drugs calls for innovative strategies to control this infection. We aimed at developing novel inhibitors of HIV-1 replication by targeting viral RNA processing-a stage dependent on conserved host processes. We previously reported that digoxin is a potent inhibitor of this stage. Herein, we identify 12 other cardiac glycoside/aglycones or cardiotonic steroids (CSs) that impede HIV growth in HIV-infected T cells from clinical patients at IC50s (1.1-1.3 nM) that are 2-26 times below concentrations used in patients with heart conditions...
January 16, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29339763/glucocorticoid-receptor-gr%C3%AE-regulates-glucocorticoid-induced-ocular-hypertension-in-mice
#17
Gaurang C Patel, Yang Liu, J Cameron Millar, Abbot F Clark
Prolonged glucocorticoid (GC) therapy can cause GC-induced ocular hypertension (OHT), which if left untreated progresses to iatrogenic glaucoma and permanent vision loss. The alternatively spliced isoform of glucocorticoid receptor GRβ acts as dominant negative regulator of GR activity, and it has been shown that overexpressing GRβ in trabecular meshwork (TM) cells inhibits GC-induced glaucomatous damage in TM cells. The purpose of this study was to use viral vectors to selectively overexpress the GRβ isoform in the TM of mouse eyes treated with GCs, to precisely dissect the role of GRβ in regulating steroid responsiveness...
January 16, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29339636/successful-treatment-of-autoimmune-urticaria-with-low-dose-prednisolone-therapy-administered-for-a-few-months-a-case-series-of-42-patients
#18
Krisztina Vas, Anita Altmayer, Lilla Mihályi, Edina Garaczi, Ágnes Kinyó, Eszter Jakobicz, Sándor Husz, Lajos Kemény, Zsuzsanna Bata-Csörgő
BACKGROUND: Chronic spontaneous urticaria (CSU) is defined as symptoms of urticaria persisting for 6 weeks or more without obvious cause. Autologous serum skin test (ASST) positivity in patients with CSU is considered to be associated with autoimmune urticaria (AIU). METHODS: In this retrospective study we retrieved the medical records of 1,073 urticaria patients seen at the Department of Dermatology and Allergology of Szeged University between January 2005 and February 2014...
January 17, 2018: Dermatology: International Journal for Clinical and Investigative Dermatology
https://www.readbyqxmd.com/read/29339316/diagnosis-and-management-of-neuromyelitis-optica-spectrum-disorders-an-update
#19
REVIEW
Alice Bruscolini, Marta Sacchetti, Maurizio La Cava, Magda Gharbiya, Massimo Ralli, Alessandro Lambiase, Armando de Virgilio, Antonio Greco
Neuromyelitis optica (NMO) and Neuromyelitis optica spectrum disorders (NMOSD) are a group of autoimmune conditions characterized by inflammatory involvement of the optic nerve, spinal cord and central nervous system. Novel evidence showed a key role of autoantibodies against aquaporin-4 immunoglobulin G (AQP4 IgG) in the pathogenesis of NMOSD and, recently, new classification and diagnostic criteria have been adopted to facilitate an earlier identification and improve the management of these conditions. Diagnosis of NMOSD is currently based on clinical, neuroimaging and laboratory features...
January 12, 2018: Autoimmunity Reviews
https://www.readbyqxmd.com/read/29339182/interrelationship-among-annual-cycles-of-sex-steroids-corticosterone-and-body-condition-in-nyctibatrachus-humayuni
#20
A M Joshi, E J Narayan, N P Gramapurohit
Synergism between extrinsic and intrinsic factors is crucial for the seasonality of reproduction. Environmental factors such as photoperiod and temperature activate the hypothalamus-pituitary-gonadal axis leading to the secretion of steroid hormones that are crucial for reproduction. Sex steroids are not only essential for the maturation of gonads, but also for development of secondary sexual characters in males and reproductive behaviour of both the sexes. In the present study, we quantified the urinary testosterone (UTM) and corticosterone (UCM) metabolites in males and urinary estradiol metabolites (UEM) and UCM in females of Nyctibatrachus humayuni for two consecutive years to determine annual and seasonal variation in the levels of sex steroids, corticosterone and body condition index (BCI)...
January 12, 2018: General and Comparative Endocrinology
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