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https://www.readbyqxmd.com/read/28226225/thymic-epithelial-cells
#1
Jakub Abramson, Graham Anderson
IntrathymicTcell development is a complex process that depends upon continuous guidance from thymus stromal cell microenvironments. The thymic epithelium within the thymic stroma comprises highly specialized cells with a high degree of anatomic, phenotypic, and functional heterogeneity. These properties are collectively required to bias thymocyte development toward production of self-tolerant and functionally competent T cells. The importance of thymic epithelial cells (TECs) is evidenced by clear links between their dysfunction and multiple diseases where autoimmunity and immunodeficiency are major components...
February 10, 2017: Annual Review of Immunology
https://www.readbyqxmd.com/read/28217895/serum-urate-levels-predict-joint-space-narrowing-in-non-gout-patients-with-medial-knee-osteoarthritis
#2
Svetlana Krasnokutsky, Charles Oshinsky, Mukundan Attur, Sisi Ma, Hua Zhou, Fangfei Zheng, Meng Chen, Jyoti Patel, Jonathan Samuels, Virginia C Pike, Ravinder Regatte, Jenny Bencardino, Leon Rybak, Steven Abramson, Michael H Pillinger
OBJECTIVE: OA pathogenesis includes both mechanical and inflammatory features. Studies have implicated synovial fluid urate (UA) as a potential OA biomarker, possibly reflecting chondrocyte damage. Whether serum urate (sUA) levels reflect/contribute to OA is unknown. We investigated whether sUA predicts OA progression in a non-gout knee OA population. METHODS: Eighty-eight subjects with medial knee OA (BMI <33) but without gout were included. Baseline sUA was measured in previously banked serum...
February 19, 2017: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/28199810/case-5-2017-a-19-year-old-man-with-hematuria-and-a-retroperitoneal-mass
#3
Michael L Blute, Jeremy S Abramson, Kevin C Cronin, Valentina Nardi
Presentation of Case. Dr. Jed-Sian Cheng (Urology): A 19-year-old man was seen in the urology outpatient clinic of this hospital because of a retroperitoneal mass and a history of transient hematuria. The patient had been in excellent health until approximately 1 month before this evaluation, when,..
16, 2017: New England Journal of Medicine
https://www.readbyqxmd.com/read/28194953/click-chemistry-reagent-for-identification-of-sites-of-covalent-ligand-incorporation-in-integral-membrane-proteins
#4
Melissa M Budelier, Wayland W L Cheng, Lucie Bergdoll, Zi-Wei Chen, Jeff Abramson, Kathiresan Krishnan, Mingxing Qian, Douglas F Covey, James W Janetka, Alex S Evers
Identifying sites of protein-ligand interaction is important for structure-based drug discovery and understanding protein structure-function relationships. Mass spectrometry (MS) has emerged as a useful tool for identifying residues covalently modified by ligands. Current methods use database searches that are dependent on acquiring interpretable fragmentation spectra (MS2) of peptide-ligand adducts. This is problematic for identifying sites of hydrophobic ligand incorporation in integral membrane proteins (IMPs), where poor aqueous solubility and ionization of peptide-ligand adducts and collision-induced adduct loss hinder the acquisition of quality MS2 spectra...
February 9, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28191986/studies-of-learned-helplessness-in-honey-bees-apis-mellifera-ligustica
#5
Christopher W Dinges, Christopher A Varnon, Lisa D Cota, Stephen Slykerman, Charles I Abramson
The current study reports 2 experiments investigating learned helplessness in the honey bee (Apis mellifera ligustica). In Experiment 1, we used a traditional escape method but found the bees' activity levels too high to observe changes due to treatment conditions. The bees were not able to learn in this traditional escape procedure; thus, such procedures may be inappropriate to study learned helplessness in honey bees. In Experiment 2, we used an alternative punishment, or passive avoidance, method to investigate learned helplessness...
February 13, 2017: Journal of Experimental Psychology. Animal Learning and Cognition
https://www.readbyqxmd.com/read/28185257/system-change-interventions-for-smoking-cessation
#6
REVIEW
Dennis Thomas, Michael J Abramson, Billie Bonevski, Johnson George
BACKGROUND: System change interventions for smoking cessation are policies and practices designed by organizations to integrate the identification of smokers and the subsequent offering of evidence-based nicotine dependence treatments into usual care. Such strategies have the potential to improve the provision of smoking cessation support in healthcare settings, and cessation outcomes among those who use them. OBJECTIVES: To assess the effectiveness of system change interventions within healthcare settings, for increasing smoking cessation or the provision of smoking cessation care, or both...
February 10, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28152826/patient-and-clinician-perspectives-on-treatment-decision-making-for-african-american-men-with-prostate-cancer
#7
Sarah Abramson, Daniel Walker, Lindsey Sova, Jenny J Lin, Kezhen Fei, Rebeca Franco, Ann Scheck McAlearney
: 186 Background: Prostate cancer is the most common cancer for men in the US, yet the burden of this disease falls disproportionately on African Americans (AAs). The disparity's etiology is complex. Surgery and radiotherapy offer similar survival but historically have different rates of performance with younger and white men more likely to undergo surgery and AAs more likely to experience underuse. This study aims to examine treatment decision-making (TDM) processes for AA men from patient and physician perspectives...
March 2016: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28152725/implementing-psychosocial-distress-screening-across-a-health-system-herding-cats-or-herding-cats
#8
(no author information available yet)
: 113 Background: With the American College of Surgeons Commission on Cancer 2015 Standards in hand, Penn Medicine embarked on a project to formulate an entity-wide plan for the provision of psychosocial distress screening. Identifying psychosocial distress and providing resources to meet those needs is an essential component of quality cancer care. Penn Medicine and the Abramson Cancer Center provided more than 91,000 chemotherapy treatments, 121,000 radiation treatments, and 14,000 proton therapy treatments in FY 15 in urban, suburban and rural settings with wide variations in resources...
March 2016: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28150772/african-american-scientist-charles-henry-turner-remembered
#9
LETTER
Charles I Abramson
No abstract text is available yet for this article.
1, 2017: Nature
https://www.readbyqxmd.com/read/28146643/childhood-lung-function-predicts-adult-copd-and-asthma-copd-overlap-syndrome-acos
#10
Dinh S Bui, John A Burgess, Adrian J Lowe, Jennifer L Perret, Caroline J Lodge, Minh Bui, Stephen Morrison, Bruce R Thompson, Paul S Thomas, Graham G Giles, Judith Garcia-Aymerich, Debbie Jarvis, Michael J Abramson, E Haydn Walters, Melanie C Matheson, Shyamali C Dharmage
RATIONALE: There are limited data on early life risk factors for COPD phenotypes. OBJECTIVE: To investigate the role of childhood lung function in adult spirometrically defined COPD phenotypes. METHOD: Pre-bronchodilator (BD) spirometry was performed for a cohort of 7-year old Tasmanian children. A sub-sample underwent pre-and post-BD spirometry at 45 years. For this analysis, COPD was spirometrically defined as a post-BD FEV1/FVC<lower limit of normal (LLN)...
February 1, 2017: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/28145848/clinical-practice-guideline-improving-nasal-form-and-function-after-rhinoplasty-executive-summary
#11
Lisa E Ishii, Travis T Tollefson, Gregory J Basura, Richard M Rosenfeld, Peter J Abramson, Scott R Chaiet, Kara S Davis, Karl Doghramji, Edward H Farrior, Sandra A Finestone, Stacey L Ishman, Robert X Murphy, John G Park, Michael Setzen, Deborah J Strike, Sandra A Walsh, Jeremy P Warner, Lorraine C Nnacheta
Objective Rhinoplasty, a surgical procedure that alters the shape or appearance of the nose while preserving or enhancing the nasal airway, ranks among the most commonly performed cosmetic procedures in the United States, with >200,000 procedures reported in 2014. While it is difficult to calculate the exact economic burden incurred by rhinoplasty patients following surgery with or without complications, the average rhinoplasty procedure typically exceeds $4000. The costs incurred due to complications, infections, or revision surgery may include the cost of long-term antibiotics, hospitalization, or lost revenue from hours/days of missed work...
February 2017: Otolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/28145823/clinical-practice-guideline-improving-nasal-form-and-function-after-rhinoplasty
#12
Lisa E Ishii, Travis T Tollefson, Gregory J Basura, Richard M Rosenfeld, Peter J Abramson, Scott R Chaiet, Kara S Davis, Karl Doghramji, Edward H Farrior, Sandra A Finestone, Stacey L Ishman, Robert X Murphy, John G Park, Michael Setzen, Deborah J Strike, Sandra A Walsh, Jeremy P Warner, Lorraine C Nnacheta
Objective Rhinoplasty, a surgical procedure that alters the shape or appearance of the nose while preserving or enhancing the nasal airway, ranks among the most commonly performed cosmetic procedures in the United States, with >200,000 procedures reported in 2014. While it is difficult to calculate the exact economic burden incurred by rhinoplasty patients following surgery with or without complications, the average rhinoplasty procedure typically exceeds $4000. The costs incurred due to complications, infections, or revision surgery may include the cost of long-term antibiotics, hospitalization, or lost revenue from hours/days of missed work...
February 2017: Otolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/28126956/recurrent-mutations-and-targeted-therapy-in-fl
#13
Jeremy S Abramson
No abstract text is available yet for this article.
January 26, 2017: Blood
https://www.readbyqxmd.com/read/28097368/incidence-of-and-risk-factors-for-skin-cancer-in-organ-transplant-recipients-in-the-united-states
#14
Giorgia L Garrett, Paul D Blanc, John Boscardin, Amanda Abramson Lloyd, Rehana L Ahmed, Tiffany Anthony, Kristin Bibee, Andrew Breithaupt, Jennifer Cannon, Amy Chen, Joyce Y Cheng, Zelma Chiesa-Fuxench, Oscar R Colegio, Clara Curiel-Lewandrowski, Christina A Del Guzzo, Max Disse, Margaret Dowd, Robert Eilers, Arisa Elena Ortiz, Caroline Morris, Spring K Golden, Michael S Graves, John R Griffin, R Samuel Hopkins, Conway C Huang, Gordon Hyeonjin Bae, Anokhi Jambusaria, Thomas A Jennings, Shang I Brian Jiang, Pritesh S Karia, Shilpi Khetarpal, Changhyun Kim, Goran Klintmalm, Kathryn Konicke, Shlomo A Koyfman, Charlene Lam, Peter Lee, Justin J Leitenberger, Tiffany Loh, Stefan Lowenstein, Reshmi Madankumar, Jacqueline F Moreau, Rajiv I Nijhawan, Shari Ochoa, Edit B Olasz, Elaine Otchere, Clark Otley, Jeremy Oulton, Parth H Patel, Vishal Anil Patel, Arpan V Prabhu, Melissa Pugliano-Mauro, Chrysalyne D Schmults, Sarah Schram, Allen F Shih, Thuzar Shin, Seaver Soon, Teresa Soriano, Divya Srivastava, Jennifer A Stein, Kara Sternhell-Blackwell, Stan Taylor, Allison Vidimos, Peggy Wu, Nicholas Zajdel, Daniel Zelac, Sarah T Arron
Importance: Skin cancer is the most common malignancy occurring after organ transplantation. Although previous research has reported an increased risk of skin cancer in solid organ transplant recipients (OTRs), no study has estimated the posttransplant population-based incidence in the United States. Objective: To determine the incidence and evaluate the risk factors for posttransplant skin cancer, including squamous cell carcinoma (SCC), melanoma (MM), and Merkel cell carcinoma (MCC) in a cohort of US OTRs receiving a primary organ transplant in 2003 or 2008...
January 11, 2017: JAMA Dermatology
https://www.readbyqxmd.com/read/28095092/ophthalmic-artery-chemosurgery-for-eyes-with-advanced-retinoblastoma
#15
David H Abramson, Armida W M Fabius, Jasmine H Francis, Brian P Marr, Ira J Dunkel, Scott E Brodie, Anna Escuder, Y Pierre Gobin
BACKGROUND: Surgical removal of one or both eyes has been the most common way to treat children with retinoblastoma worldwide for more than 100 years. Ophthalmic artery chemosurgery (OAC) was introduced 10 years ago and it has been used as an alternative to enucleation for eyes with advanced retinoblastoma. The purpose of this report is to analyze our 9-year experience treating advanced retinoblastoma eyes with OAC. MATERIALS AND METHODS: Single-arm retrospective study from a single center of 226 eyes with eyes of retinoblastoma patients with advanced intraocular disease defined as both Reese-Ellsworth (RE) "Va" or "Vb" and International Classification Retinoblastoma (ICRb) group "D" or "E" (COG Classification)...
January 2017: Ophthalmic Genetics
https://www.readbyqxmd.com/read/28094480/anesthetic-complications-during-general-anesthesia-without-intravenous-access-in-pediatric-ophthalmologic-clinic-assessment-of-5216-cases
#16
Chun W Hung, Lauren Licina, David H Abramson, Vittoria Arslan-Carlon
BACKGROUNDː General anesthesia utilizing inhalational agents without intravenous (IV) access for minor procedures is controversial1. Eliminating IV access increases efficiency and patient satisfaction; however, the ability to introduce rapid acting medications into the circulation during an unanticipated emergency becomes challenging. The objective of this study was to examine complication risk following pediatric ophthalmologic examinations under anesthesia (EUA) without IV placement. METHODSː A retrospective review of consecutive pediatric patients who underwent EUA for retinoblastoma management was performed from 2004 to 2014...
January 17, 2017: Minerva Anestesiologica
https://www.readbyqxmd.com/read/28092395/intraocular-pressure-changes-following-intravitreal-melphalan-and-topotecan-for-the-treatment-of-retinoblastoma-with-vitreous-seeding
#17
Matthew D Karl, Jasmine H Francis, Saipriya Iyer, Brian Marr, David H Abramson
PURPOSE: To investigate the impact of intravitreal chemotherapy on intraocular pressure (IOP) in children with retinoblastoma. METHODS: This was a retrospective study of 10 eyes of 10 patients with retinoblastoma (7 males, 3 females, mean age: 33.6 ± 9.4 months) with vitreous seeding injected with intravitreal melphalan and topotecan. IOP was measured with Tono-pen (Reichert, Inc., Buffalo, NY) at baseline prior to injecting and then repeatedly following each intravitreal injection...
January 13, 2017: Journal of Pediatric Ophthalmology and Strabismus
https://www.readbyqxmd.com/read/28090588/quantitative-magnetization-transfer-imaging-of-the-breast-at-3-0-t-reproducibility-in-healthy-volunteers
#18
Lori R Arlinghaus, Richard D Dortch, Jennifer G Whisenant, Hakmook Kang, Richard G Abramson, Thomas E Yankeelov
Quantitative magnetization transfer magnetic resonance imaging provides a means for indirectly detecting changes in the macromolecular content of tissue noninvasively. A potential application is the diagnosis and assessment of treatment response in breast cancer; however, before quantitative magnetization transfer imaging can be reliably used in such settings, the technique's reproducibility in healthy breast tissue must be established. Thus, this study aims to establish the reproducibility of the measurement of the macromolecular-to-free water proton pool size ratio (PSR) in healthy fibroglandular (FG) breast tissue...
December 2016: Tomography: a Journal for Imaging Research
https://www.readbyqxmd.com/read/28089679/efficacy-and-toxicity-of-intravitreous-chemotherapy-for-retinoblastoma-four-year-experience
#19
Jasmine H Francis, Scott E Brodie, Brian Marr, Emily C Zabor, Ijah Mondesire-Crump, David H Abramson
PURPOSE: To investigate the efficacy and toxicity of intravitreous melphalan for treatment of retinoblastoma, as a single agent or with concomitant topotecan. PARTICIPANTS: A total of 130 eyes of 120 patients with retinoblastoma receiving 630 intravitreous (melphalan, topotecan) or topotecan periocular injections. A total of 83 (64%) of these eyes were treated with concomitant ophthalmic artery chemosurgery (OAC). DESIGN: Retrospective cohort study...
January 12, 2017: Ophthalmology
https://www.readbyqxmd.com/read/28062335/productivity-in-pediatric-palliative-care-measuring-and-monitoring-an-elusive-metric
#20
Erica C Kaye, Zachary R Abramson, Jennifer M Snaman, Sarah E Friebert, Justin N Baker
CONTEXT: Workforce productivity is poorly defined in health care. Particularly in the field of pediatric palliative care (PPC), the absence of consensus metrics impedes aggregation and analysis of data to track workforce efficiency and effectiveness. Lack of uniformly measured data also compromises the development of innovative strategies to improve productivity and hinders investigation of the link between productivity and quality of care, which are interrelated but not interchangeable...
January 3, 2017: Journal of Pain and Symptom Management
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