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Bruce A Mast

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https://www.readbyqxmd.com/read/30543818/siglec-8-in-eosinophilic-disorders-receptor-expression-and-targeting-using-chimeric-antibodies
#1
Fanny Legrand, Yun Cao, Joshua Wechsler, Xiang Zhu, Nives Zimmermann, Shakuntala Rampertaap, Joseph Monsale, Kimberly Romito, Bradford A Youngblood, Emily C Brock, Michelle Makiya, Nenad Tomasevic, Christopher Bebbington, Irina Maric, Dean D Metcalfe, Bruce S Bochner, Amy D Klion
BACKGROUND: Sialic acid-binding immunoglobulin-like lectin (Siglec)-8 is selectively expressed on eosinophils, mast cells and basophils, and, when engaged on eosinophils, can cause cell death. OBJECTIVE: To characterize surface and soluble Siglec-8 levels in normal (ND) and eosinophilic (EO) subjects and assess the efficacy of anti-Siglec-8 antibodies in inducing eosinophil cell death in vitro. METHODS: Eosinophil expression of Siglec-8 was assessed using flow cytometry and quantitative PCR...
December 10, 2018: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/30383584/historical-roots-of-modern-plastic-surgery-a-cited-reference-analysis
#2
Mustafa Chopan, Lohrasb Sayadi, Patrick J Buchanan, Adam J Katz, Bruce A Mast
BACKGROUND: Highly cited publications are referred to as citation classics and can signify important contributions to a discipline. Although citation classics in plastic surgery have been identified, none were published before 1960. Citation classics in earlier periods may contain the historical roots or intellectual origins of the field. We set out to identify such scholarly works and analyze their characteristics. METHODS: A novel technique of citation analysis, referred to as reference publication year spectroscopy, was used to analyze the literature...
October 31, 2018: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/30325832/preoperative-hypoglycemia-increases-infection-risk-after-trigger-finger-injection-and-release
#3
Patrick J Buchanan, Tsun Law, Sam Rosas, Zachary Hubbard, Bruce A Mast, Harvey Chim
BACKGROUND: Diabetes mellitus is a well-known risk factor for infection after trigger finger (TF) injection and/or release. However, the effect of preoperative hypoglycemia before TF injection or release is currently unknown. The purpose of this study is to determine the effects of preoperative hypoglycemia on infection incidence after TF injection or release. METHODOLOGY: A retrospective cohort review between 2007 and 2015 was conducted using a national private payer database within the PearlDiver Supercomputer...
October 15, 2018: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/30315138/leukocyte-cd300a-contributes-to-the-resolution-of-murine-allergic-inflammation
#4
Laila Karra, Roopesh Singh Gangwar, Revital Shamri, Pier Giorgio Puzzovio, Shahar Cohen-Mor, Bruce D Levy, Francesca Levi-Schaffer
CD300a is an inhibitory receptor for mast cells and eosinophils in allergic inflammation (AI); however, the spatiotemporal expression of CD300a and its potential roles in the resolution of AI are still to be determined. In this study, employing a mouse model of allergic peritonitis, we demonstrate that CD300a expression on peritoneal cells is regulated from inflammation to resolution. Allergic peritonitis-induced CD300a-/- mice had a rapid increase in their inflammatory cell infiltrates and tryptase content in the peritoneal cavity compared with wild type, and their resolution process was significantly delayed...
October 12, 2018: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/30047772/cueing-color-imagery-a-critical-analysis-of-imagery-perception-congruency-effects
#5
Brett A Cochrane, Shailee Siddhpuria, Bruce Milliken
The relation between mental imagery and visual perception is a long debated topic in experimental psychology. In a recent study, Wantz, Borst, Mast, and Lobmaier (2015) demonstrated that color imagery could benefit color perception in a task that involved generating imagery in response to a cue prior to a forced-choice color discrimination task. Here, we scrutinized whether the method of Wantz et al. warrants strong inferences about the role of color imagery in color perception. In Experiments 1-3, we demonstrate that the imagery effect reported by Wantz et al...
July 26, 2018: Journal of Experimental Psychology. Learning, Memory, and Cognition
https://www.readbyqxmd.com/read/29924315/sialylated-keratan-sulfate-proteoglycans-are-siglec-8-ligands-in-human-airways
#6
Anabel Gonzalez-Gil, Ryan N Porell, Steve M Fernandes, Yadong Wei, Huifeng Yu, Daniela J Carroll, Ryan McBride, James C Paulson, Michael Tiemeyer, Kazuhiro Aoki, Bruce S Bochner, Ronald L Schnaar
Human siglecs are a family of 14 sialic acid-binding proteins, most of which are expressed on subsets of immune cells where they regulate immune responses. Siglec-8 is expressed selectively on human allergic inflammatory cells-primarily eosinophils and mast cells-where engagement causes eosinophil apoptosis and inhibits mast cell mediator release. Evidence supports a model in which human eosinophils and mast cells bind to Siglec-8 sialoglycan ligands on inflammatory target tissues to resolve allergic inflammation and limit tissue damage...
October 1, 2018: Glycobiology
https://www.readbyqxmd.com/read/29604336/mast-cell-disorders-protean-manifestations-and-treatment-responses
#7
Meng Chen, Alexander Kim, Bruce Zuraw, Taylor A Doherty, Sandra Christiansen
No abstract text is available yet for this article.
July 2018: Annals of Allergy, Asthma & Immunology
https://www.readbyqxmd.com/read/29601103/frontline-science-characterization-of-a-novel-mouse-strain-expressing-human-siglec-8-only-on-eosinophils
#8
Jeremy A O'Sullivan, Yadong Wei, Daniela J Carroll, Liliana Moreno-Vinasco, Yun Cao, Fengrui Zhang, James J Lee, Zhou Zhu, Bruce S Bochner
Sialic acid-binding immunoglobulin-like lectin (Siglec)-8 is a human cell surface protein expressed exclusively on eosinophils, mast cells, and basophils that, when engaged, induces eosinophil apoptosis and inhibits mast cell mediator release. This makes Siglec-8 a promising therapeutic target to treat diseases involving these cell types. However, preclinical studies of Siglec-8 targeting in vivo are lacking because this protein is only found in humans, apes, and some monkeys. Therefore, we have developed a mouse strain in which SIGLEC8 transcription is activated by Cre recombinase and have crossed this mouse with the eoCre mouse to achieve eosinophil-specific expression...
July 2018: Journal of Leukocyte Biology
https://www.readbyqxmd.com/read/29431215/human-eosinophils-and-mast-cells-birds-of-a-feather-flock-together
#9
REVIEW
Piper A Robida, Pier Giorgio Puzzovio, Hadas Pahima, Francesca Levi-Schaffer, Bruce S Bochner
While the origin of the phrase "birds of a feather flock together" is unclear, it has been in use for centuries and is typically employed to describe the phenomenon that people with similar tastes or interests tend to seek each other out and congregate together. In this review, we have co-opted this phrase to compare innate immune cells of related origin, the eosinophil and mast cell, because they very often accumulate together in tissue sites under both homeostatic and inflammatory conditions. To highlight overlapping yet distinct features, their hematopoietic development, cell surface phenotype, mediator release profiles and roles in diseases have been compared and contrasted...
March 2018: Immunological Reviews
https://www.readbyqxmd.com/read/29401215/the-use-of-poly-4-hydroxybutyrate-p4hb-scaffold-in-the-ptotic-breast-a-multicenter-clinical-study
#10
William P Adams, Richard Baxter, Caroline Glicksman, Bruce A Mast, Michael Tantillo, Bruce W Van Natta
Background: Mastopexy and reduction mammaplasty are often limited by the patient's poor native soft tissue quality, resulting in ptosis recurrence and loss of rejuvenated surgical results. Surgical scaffolds and acellular dermal matrices are used in these procedures to provide physical and mechanical stabilization of weakened or compromised tissue. GalaFLEX scaffold, made from poly-4-hydroxybutyrate (P4HB), is a next-generation product for soft tissue reinforcement that resorbs gradually while aiding tissue regeneration to achieve excellent outcomes...
April 6, 2018: Aesthetic Surgery Journal
https://www.readbyqxmd.com/read/29369108/safety-of-microsurgery-under-loupes-versus-microscope-a-head-to-head-comparison-of-2-surgeons-with-similar-experiences
#11
Tosan Ehanire, Dhruv Singhal, Bruce Mast, Mark Leyngold
BACKGROUND: Microsurgery is performed using either the operating microscope or loupe magnification. Use of the operating microscope is considered the "criterion standard"; however, loupes are emerging as a safe and reliable technique to perform microsurgery. The purpose of this study was to analyze the safety of microsurgery under loupe magnification compared with the microscope. Previous studies discussing the safety of loupe magnification during microsurgery have been published; however, this is the first study to compare free flap outcomes from 2 surgeons at the same institution, each using their respective technique...
June 2018: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/29369107/facelift-practice-evolution-objective-implementation-of-new-surgical-techniques
#12
Patrick J Buchanan, Danielle C Mihora, Bruce A Mast
BACKGROUND: Facial rejuvenation is an elective procedure commonly performed to combat the consequences of normal aging. The senior author's practice initially consisted of traditional facelifts with superficial muscular apopneurotic system plication and/or superficial muscular apopneurotic system flap. After the development of the minimal access cranial suspension (MACS) technique by Tonnard et al., the senior author transitioned to an almost exclusive MACS facelift practice. The purpose of this study was to determine the efficacy of the MACS technique versus the traditional facelift approach and objectively incorporate these results into practice...
June 2018: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/29352860/towards-targeting-resolution-pathways-of-airway-inflammation-in-asthma
#13
REVIEW
Cindy Barnig, Nelly Frossard, Bruce D Levy
Asthma is a chronic disorder characterized by persistent inflammation of the airways with mucosal infiltration of eosinophils, T lymphocytes, and mast cells, and release of proinflammatory cytokines and lipid mediators. The natural resolution of airway inflammation is now recognized as an active host response, with highly coordinated cellular events under the control of endogenous pro-resolving mediators that enable the restoration of tissue homeostasis. Lead members of proresolving mediators are enzymatically derived from essential polyunsaturated fatty acids, including arachidonic acid-derived lipoxins, eicosapentaenoic acid-derived E-series resolvins, and docosahexaenoic acid-derived D-series resolvins, protectins, and maresins...
June 2018: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/29345370/inhibition-of-soluble-epoxide-hydrolase-attenuates-eosinophil-recruitment-and-food-allergen-induced-gastrointestinal-inflammation
#14
Idil Bastan, Xiao Na Ge, Mythili Dileepan, Yana G Greenberg, Alonso G Guedes, Sung Hee Hwang, Bruce D Hammock, Robert J Washabau, Savita P Rao, P Sriramarao
Prevalence of food allergies in the United States is on the rise. Eosinophils are recruited to the intestinal mucosa in substantial numbers in food allergen-driven gastrointestinal (GI) inflammation. Soluble epoxide hydrolase (sEH) is known to play a pro-inflammatory role during inflammation by metabolizing anti-inflammatory epoxyeicosatrienoic acids (EETs) to pro-inflammatory diols. We investigated the role of sEH in a murine model of food allergy and evaluated the potential therapeutic effect of a highly selective sEH inhibitor (trans-4-{4-[3-(4-trifluoromethoxyphenyl)-ureido]-cyclohexyloxy}-benzoic acid [t-TUCB])...
July 2018: Journal of Leukocyte Biology
https://www.readbyqxmd.com/read/29062167/characterization-of-the-foreign-body-response-to-common-surgical-biomaterials-in-a-murine-model
#15
Mohamed Ibrahim, Jennifer Bond, Manuel A Medina, Lei Chen, Carlos Quiles, George Kokosis, Latif Bashirov, Bruce Klitzman, Howard Levinson
BACKGROUND: Implanted biomaterials are subject to a significant reaction from the host, known as the foreign body response (FBR). We quantified the FBR to five materials following subcutaneous implantation in mice. MATERIALS AND METHODS: Polyvinyl alcohol (PVA) and silicone sheets are considered highly biocompatible biomaterials and were cut into 8mm-diameter disks. Expanded PTFE (ePTFE)and polypropylene are also widely used biocompatible biomaterials and were cut into 2cm-long cylinders...
November 2017: European Journal of Plastic Surgery
https://www.readbyqxmd.com/read/28867612/achieving-a-graded-immune-response-btk-adopts-a-range-of-active-inactive-conformations-dictated-by-multiple-interdomain-contacts
#16
Raji E Joseph, Thomas E Wales, D Bruce Fulton, John R Engen, Amy H Andreotti
Capturing the functionally relevant forms of dynamic, multidomain proteins is extremely challenging. Bruton's tyrosine kinase (BTK), a kinase essential for B and mast cell function, has stubbornly resisted crystallization in its full-length form. Here, nuclear magnetic resonance and hydrogen-deuterium exchange mass spectrometry show that BTK adopts a closed conformation in dynamic equilibrium with open, active conformations. BTK lacks the phosphotyrosine regulatory tail of the SRC kinases, yet nevertheless achieves a phosphotyrosine-independent C-terminal latch...
October 3, 2017: Structure
https://www.readbyqxmd.com/read/28734845/leveraging-siglec-8-endocytic-mechanisms-to-kill-human-eosinophils-and-malignant-mast-cells
#17
Jeremy A O'Sullivan, Daniela J Carroll, Yun Cao, Adriano N Salicru, Bruce S Bochner
BACKGROUND: Sialic acid-binding immunoglobulin-like lectin (Siglec)-8 is a cell-surface protein expressed selectively on human eosinophils, mast cells, and basophils, making it an ideal target for the treatment of diseases involving these cell types. However, the effective delivery of therapeutic agents to these cells requires an understanding of the dynamics of Siglec-8 surface expression. OBJECTIVES: We sought to determine whether Siglec-8 is endocytosed in human eosinophils and malignant mast cells, identify mechanisms underlying its endocytosis, and demonstrate whether a toxin can be targeted to Siglec-8-bearing cells to kill these cells...
May 2018: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28430675/identifying-risk-factors-leading-to-unanticipated-postoperative-readmission
#18
Peter A Felice, David T Kerekes, Bruce A Mast
INTRODUCTION: Unanticipated postoperative readmissions are a grading metric directly linked to both the quality of patient care and physician reimbursement. However, little data exist to define factors responsible for these readmissions in the plastic surgery patient population. This study aims to identify patient risk factors contributing to unanticipated postoperative readmissions to optimize perioperative patient care and mitigate negative financial impact upon providers. METHODS: We present an institutional review board-approved study retrospective review of 819 plastic surgery patients undergoing operative procedures performed at our institution between January 1, 2013, and December 31, 2014...
June 2017: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/28279492/group-2-innate-lymphoid-cells-are-recruited-to-the-nasal-mucosa-in-patients-with-aspirin-exacerbated-respiratory-disease
#19
Jacqueline J Eastman, Kellen J Cavagnero, Adam S Deconde, Alex S Kim, Maya R Karta, David H Broide, Bruce L Zuraw, Andrew A White, Sandra C Christiansen, Taylor A Doherty
BACKGROUND: Aspirin-exacerbated respiratory disease (AERD) is characterized by tissue eosinophilia and mast cell activation, including abundant production of prostaglandin D2 (PGD2 ). Group 2 innate lymphoid cells (ILC2s), which promote tissue eosinophilia and mast cell responses, undergo chemotaxis and cytokine production in response to PGD2 , but it is unknown whether ILC2s are active in patients with AERD. OBJECTIVE: We sought to determine whether ILC2 numbers change in peripheral blood and the nasal mucosa during COX-1 inhibitor-induced reactions in patients with AERD...
July 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28238741/microparticles-in-nasal-lavage-fluids-in-chronic-rhinosinusitis-potential-biomarkers-for-diagnosis-of-aspirin-exacerbated-respiratory-disease
#20
Toru Takahashi, Atsushi Kato, Sergejs Berdnikovs, Whitney W Stevens, Lydia A Suh, James E Norton, Roderick G Carter, Kathleen E Harris, Anju T Peters, Kathryn E Hulse, Leslie C Grammer, Kevin C Welch, Stephanie Shintani-Smith, Bruce K Tan, David B Conley, Robert C Kern, Bruce S Bochner, Robert P Schleimer
BACKGROUND: Microparticles (MPs) are submicron-sized shed membrane vesicles released from activated or injured cells and are detectable by flow cytometry. MP levels have been used as biomarkers to evaluate cell injury or activation in patients with pathological conditions. OBJECTIVE: We sought to compare MP types and levels in nasal lavage fluids (NLFs) from controls and patients with chronic rhinosinusitis without nasal polyps (CRSsNP), chronic rhinosinusitis with nasal polyps (CRSwNP), and aspirin-exacerbated respiratory disease (AERD)...
September 2017: Journal of Allergy and Clinical Immunology
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