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https://www.readbyqxmd.com/read/29458219/clinical-endocrine-and-imaging-characteristics-of-patients-with-primary-hypophysitis
#1
Anna Angelousi, Carolina Cohen, Soledad Sosa, Karina Danilowicz, Lina Papanastasiou, Marina Tsoli, Aparna Pal, Georgios Piaditis, Ashley Grossman, Gregory Kaltsas
Primary hypophysitis (PH) is a rare disease with a poorly-defined natural history. Our aim was to characterise patients with PH at presentation and during prolonged follow-up. Observational retrospective study of 22 patients was conducted from 3 centres. In 14 patients, PH was confirmed histologically and in the remaining 8 clinically, after excluding secondary causes of hypophysitis. All patients had hormonal and imaging investigations before any treatment. Median follow up was 48 months (25-75%: 3-60). There was a female predominance with a female/male ratio: 3...
February 19, 2018: Hormone and Metabolic Research, Hormon- und Stoffwechselforschung, Hormones et Métabolisme
https://www.readbyqxmd.com/read/29458047/effects-of-cytochrome-p450-single-nucleotide-polymorphisms-on-methadone-metabolism-and-pharmacodynamics
#2
REVIEW
Taha Ahmad, Monica A Valentovic, Gary O Rankin
Methadone is a synthetic, long-acting opioid with a single chiral center forming two enantiomers, (R)-methadone and (S)-methadone, each having specific pharmacological actions. Concentrations of (R)- and (S)-methadone above therapeutic levels have the ability to cause serious, life-threatening, and fatal side effects. This toxicity can be due in part to the pharmacogenetics of an individual, which influences the pharmacokinetic and pharmacodynamic properties of the drug. Methadone is primarily metabolized in the liver by cytochrome P450 (CYP) enzymes, predominately by CYP2B6, followed by CYP3A4, 2C19, 2D6, and to a lesser extent, CYP2C18, 3A7, 2C8, 2C9, 3A5, and 1A2...
February 16, 2018: Biochemical Pharmacology
https://www.readbyqxmd.com/read/29458017/synergistic-and-additive-effects-of-atra-in-combination-with-different-anti-tumor-compounds
#3
REVIEW
Eduarda Schultze, Tiago Collares, Caroline Lucas, Fabiana K Seixas
All-trans retinoic acid (ATRA), a derivative of vitamin A, has been shown to potentiate cancer chemotherapy due to its ability to induce signals for cell differentiation or death, and inhibit cell proliferation. The combination of ATRA with taxoids, kinase inhibitors, natural compounds, retinoids, ER or HER2 inhibitors, chemotherapeutic drugs, proteasome inhibitors and nanoformulations of tretinoin have demonstrated additive or synergistic effects in anti-cancer activities. The mechanisms by which the compounds exert their synergistic effects depend on the tumor and the cell type...
February 16, 2018: Chemico-biological Interactions
https://www.readbyqxmd.com/read/29457989/propylthiouracil-induced-anti-neutrophil-cytoplasmic-antibody-associated-vasculitis-mimicking-kawasaki-disease
#4
Yoshihiro Aoki, Katsuhiko Kitazawa, Hironobu Kobayashi
Anti-neutrophil cytoplasmic antibody (ANCA)-associated vasculitis (AAV) is rare in children and is characterised as necrotising vasculitis predominantly affecting small and medium-sized vessels. Propylthiouracil (PTU), an antithyroid drug, has been implicated in drug-induced AAV. In contrast, Kawasaki disease (KD) is a common systemic vasculitis, typically observed in children, which affects the medium-sized vessels, including the coronary arteries. An 11-year-old girl who developed AAV while receiving PTU therapy for Graves' disease is described...
February 19, 2018: Paediatrics and International Child Health
https://www.readbyqxmd.com/read/29457980/probing-the-chemistry-of-adhesion-between-a-316l-substrate-and-spin-on-glass-coating
#5
Felix Lampert, Shima Kadkhodazadeh, Takeshi Kasama, Kristian Vinter Dahl, Alexander Bruun Christiansen, Per Møller
Hydrogen silsesquioxane ([HSiO3/2]n) based "spin-on-glass" has been deposited on 316L substrate and cured in Ar/H2 gas atmosphere at 600 ºC to form a continuous surface coating with sub-micrometer thickness. The coating functionality depends primarily on the adhesion to the substrate, which is largely affected by the chemical interaction at the interface between the coating and the substrate. We have investigated this interface by transmission electron microscopy and electron energy loss spectroscopy...
February 19, 2018: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/29457917/clinical-characteristics-and-long-term-prognosis-of-elderly-onset-crohn-s-disease
#6
Eun Mi Song, Nayoung Kim, Sun-Ho Lee, Kiju Chang, Sung Wook Hwang, Sang Hyoung Park, Dong-Hoon Yang, Jeong-Sik Byeon, Seung-Jae Myung, Suk-Kyun Yang, Byong Duk Ye
OBJECTIVES: This study aimed to evaluate the clinical characteristics and clinical course of Asian elderly-onset Crohn's disease (EOCD) patients in a large well-defined cohort of South Korean IBD patients. MATERIALS AND METHODS: From the Asan inflammatory bowel disease registry, we identified 29 EOCD patients (diagnosed with CD in age of 60 years or over) out of 2989 CD patients (1.0%). After excluding two patients with unclear data, 27 EOCD were matched with 108 young-onset CD (YOCD) and 108 middle age-onset CD (MOCD) for the interval from symptom onset to diagnosis (±3 years) and follow-up duration (±3 years)...
February 19, 2018: Scandinavian Journal of Gastroenterology
https://www.readbyqxmd.com/read/29457912/decreased-resting-gamma-activity-in-adult-attention-deficit-hyperactivity-disorder
#7
László Tombor, Brigitta Kakuszi, Szilvia Papp, János Réthelyi, István Bitter, Pál Czobor
OBJECTIVES: To delineate task-free gamma activity in adult ADHD and healthy control subjects based on high-density EEG recordings. Relationship of gamma activity with symptom severity was also examined, since gamma activity is considered as an index of network functions in the brain that underlie higher-order cognitive processes. METHODS: Spontaneous-EEG was recorded in adult ADHD subjects (N = 42;25 methylphenidate-naïve and 17 on methylphenidate treatment) and controls (N = 59) with eyes open...
February 19, 2018: World Journal of Biological Psychiatry
https://www.readbyqxmd.com/read/29457806/enhancement-of-the-selectivity-of-mxenes-m-2-c-m-ti-v-nb-mo-via-oxygen-functionalization-promising-materials-for-gas-sensing-and-separation
#8
A Junkaew, R Arróyave
Two-dimensional graphene-like materials, namely MXenes, have been proposed as potential materials for various applications. In this work, the reactivity and selectivity of four MXenes (i.e. M2 C (M = Ti, V, Nb, Mo)) and their oxygen-functionalized forms (i.e. O-MXenes or M2 CO2 ) toward gas molecules were investigated by using the plane wave-based Density Functional Theory (DFT) calculations. Small gas molecules, which are commonly found in flue gas streams, are considered herein. Our results demonstrated that MXenes are very reactive...
February 19, 2018: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/29457760/a-systematic-review-of-serious-games-in-medical-education-quality-of-evidence-and-pedagogical-strategy
#9
Iouri Gorbanev, Sandra Agudelo-Londoño, Rafael A González, Ariel Cortes, Alexandra Pomares, Vivian Delgadillo, Francisco J Yepes, Óscar Muñoz
INTRODUCTION: The literature shows an optimistic landscape for the effectiveness of games in medical education. Nevertheless, games are not considered mainstream material in medical teaching. Two research questions that arise are the following: What pedagogical strategies do developers use when creating games for medical education? And what is the quality of the evidence on the effectiveness of games? METHODS: A systematic review was made by a multi-disciplinary team of researchers following the Cochrane Collaboration Guidelines...
December 2018: Medical Education Online
https://www.readbyqxmd.com/read/29457757/structural-variability-of-dna-containing-mg-pyrophosphate-microparticles-optimized-conditions-to-produce-particles-with-desired-size-and-morphology
#10
Vasily N Danilevich, Andrey L Mulyukin, Andrey V Machulin, Vladimir V Sorokin, Sergey A Kozlov
Our previous studies demonstrated the formation of structurally diverse DNA-containing microparticles (DNA MPs) in PCR with Mg-pyrophosphate (MgPPi) as the structure-forming component. These DNA MPs were referred to major structural types: microdisks (2D MPs) with nanometer thickness and 3D MPs with sophisticated morphology and constructed from intersecting disks and their segments. Little is known about factors that influence both the morphology and size of DNA MPs, and the present study was aimed at fulfilling this gap...
February 19, 2018: Journal of Biomolecular Structure & Dynamics
https://www.readbyqxmd.com/read/29457614/poly-trimethylene-carbonate-and-poly-d-l-lactic-acid-modify-human-dendritic-cell-responses-to-staphylococci-but-do-not-affect-th1-and-th2-cell-development
#11
P P Balraadjsing, E C de Jong, D W Grijpma, M W Tanck, S A Zaat
Biomaterial-associated infections (BAIs) are frequent complications in the use of medical devices (biomaterials) correlated with considerable patient discomfort and high treatment costs. The presence of a biomaterial in the host causes derangement of local immune responses increasing susceptibility to infection. Dendritic cells (DCs) have an important role in directing the nature of immune responses by activating and controlling CD4+ T helper (Th) cell responses. To assess the immunomodulatory effect of the combined presence of biomaterials and Staphylococcus aureus (S...
February 19, 2018: European Cells & Materials
https://www.readbyqxmd.com/read/29457272/atopic-dermatitis-in-diverse-racial-and-ethnic-groups-variations-in-epidemiology-genetics-clinical-presentation-and-treatment
#12
REVIEW
Bridget P Kaufman, Emma Guttman-Yassky, Andrew F Alexis
Atopic dermatitis (AD) is a chronic inflammatory skin condition that affects diverse ethnic groups with varying prevalence. Despite a predominance of studies in individuals of European ancestry, AD has been found to occur more frequently in Asian and black individuals than whites. Therefore, an understanding of the unique clinical features of AD in diverse ethnic groups, as well as the differences in genetic polymorphisms that influence susceptibility to AD and response to current therapies, is paramount for management of an increasingly diverse patient population...
February 19, 2018: Experimental Dermatology
https://www.readbyqxmd.com/read/29457051/signet-ring-cell-carcinoma-ileal-crohn-disease-or-both-a-case-of-diagnostic-challenge
#13
Joana R Carvalho, Joana Tavares, Inês Goulart, Paula Moura Dos Santos, Emília Vitorino, Cristina Ferreira, Fátima Serejo, José Velosa
Signet ring cell carcinoma is a rare form of adenocarcinoma that predominantly affects the stomach. Signet ring cell carcinoma originated from the ileum is extremely rare and the prognosis is poor. We present a case of small bowel obstruction with features suggesting Crohn disease of the ileum. The symptoms were chronic diarrhea and abdominal pain with a family history of inflammatory bowel disease. The patient underwent surgery and histopathology revealed both aspects of signet ring cell carcinoma and Crohn disease of the ileum...
January 2018: GE Portuguese Journal of Gastroenterology
https://www.readbyqxmd.com/read/29456958/etiology-of-noise-induced-hearing-loss-nihl-and-its-symptomatic-correlation-with-audiometry-observations-in-type-ii-diabetes
#14
Meena K Yadav, K S Yadav
Type II diabetic mellitus (DM) is a chronic metabolic disease that impairs normal insulin production and glucose transport to the liver and muscles. In the India, about 1-5% population suffer from diabetes or related complication. So there is need to cure this disease. DM chronic auditory complications may include spiral ganglia atrophy, degeneration of the vestibulocochlear nerve myelin sheath, reduction of the number of spiral lamina nerve fibres, and thickening of the capillary walls of the stria vascularis and small arteries...
March 2018: Indian Journal of Otolaryngology and Head and Neck Surgery
https://www.readbyqxmd.com/read/29456956/juvenile-nasopharyngeal-angiofibroma-combined-approach-for-excision-transpalatal-and-endoscopic-a-new-perspective
#15
Ritu Gupta, Satya Prakash Agarwal
Juvenile angiofibroma is a rare, highly vascular, histologically benign but locally invasive tumour, affecting predominantly male adolescents. To describe our experience in diagnosis of angiofibroma and treatment by combined endoscopic and transpalatal route. We analysed a case series of 50 patients of nasopharyngeal angiofibroma in Fisch stages I and II who presented at our institute during a period of four years 2011-2014, their clinical presentation, their treatment by combined transpalatal and endoscopic approach, intraoperative and post operative course, complications and tumour recurrence...
March 2018: Indian Journal of Otolaryngology and Head and Neck Surgery
https://www.readbyqxmd.com/read/29456915/short-term-complications-of-anterior-fixation-of-odontoid-fractures
#16
Holt S Cutler, Javier Z Guzman, Nathan J Lee, Parth Kothari, Jun S Kim, John I Shin, Dante M Leven, Samuel K Cho
Study Design: Retrospective study. Objective: Anterior fixation of odontoid fracture has been associated with high morbidity and mortality in small, single institution series. Identifying risk factors may improve risk stratification and highlight factors that could be optimized preoperatively. The objective of this study was to determine the 30-day complication rate following anterior fixation of odontoid fractures and to identify associated risk factors among patients in a large national database...
February 2018: Global Spine Journal
https://www.readbyqxmd.com/read/29456904/felis-punctatis-cat-claw-induced-punctures
#17
Philip R Cohen, Douglas S Ramsay
Animal-induced conditions in humans predominantly present as infectious zoonoses. However, trauma-associated injuries from the teeth or claws can also occur. Several zoonotic infections can be transmitted by cats, a common household pet, to their owners. The clinical features of a woman who developed multiple sites of trauma-induced cutaneous punctures from her cat's paws while it was kneading on her clothes-covered abdomen are described. The repetitive insertion and withdrawal of the sharp tips of the cat's claws created distinctive groups of erythematous punctures on the patient's skin...
December 8, 2017: Curēus
https://www.readbyqxmd.com/read/29456853/crizotinib-associated-toxic-epidermal-necrolysis-in-an-alk-positive-advanced-nsclc-patient
#18
Shaoyu Yang, Liming Wu, Xin Li, Jie Huang, Jianbo Zhong, Xueqin Chen
Crizotinib is an oral small-molecule inhibitor of anaplastic lymphoma kinase (ALK) tyrosine-kinase that has been approved for treating patients with advanced echinoderm microtubule associated protein like 4-ALK rearranged non-small-cell lung cancer (NSCLC). Toxic epidermal necrolysis (TEN) is a rare adverse event associated with crizotinib. The present study reported a case of a 75-year-old Chinese male patient with advanced NSCLC with ALK fusion, who developed TEN after 56 days of crizotinib treatment and demised due to this dermatological adverse event...
March 2018: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/29456718/molecular-challenges-of-neuroendocrine-tumors
#19
Parthik Patel, Karina Galoian
Neuroendocrine tumors (NETs) are a very heterogeneous group that are thought to originate from the cells of the endocrine and nervous systems. These tumors develop in a number of organs, predominantly in the gastrointestinal and pulmonary systems. Clinical detection and diagnosis are reliable at the late stages when metastatic spread has occurred. However, traditional conventional therapies such as radiation and chemotherapy are not effective. In the majority of cases even surgical resection at that stage is unlikely to produce promising reusults...
March 2018: Oncology Letters
https://www.readbyqxmd.com/read/29456632/arrhythmogenic-cardiomyopathy-identification-of-desmosomal-gene-variations-and-desmosomal-protein-expression-in-variation-carriers
#20
Li Wang, Shenghua Liu, Hongliang Zhang, Shengshou Hu, Yingjie Wei
Arrhythmogenic cardiomyopathy (AC) is an inherited disorder that is predominantly present in the right ventricular myocardium. Mutations in the genes encoding the desmosomal protein are thought to underlie the pathogenesis of AC. Since AC is genetically heterogeneous and phenotypically diverse, modifier genes and environmental factors have an important role in disease expression. The aim of the present study was to identify AC-associated desmosomal gene variations, and examine the expression levels of intercalated disc proteins in AC patients who carry the variations (DSG2 p...
March 2018: Experimental and Therapeutic Medicine
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