User profiles for Nicholas Powell
Nicholas R PowellAssistant Research Professor, Indiana University School of Medicine Verified email at iu.edu Cited by 53 |
Elevated expression of messenger ribonucleic acid encoding IL-13 in the bronchial mucosa of atopic and nonatopic subjects with asthma
Local secretion of cytokines by T cells within the bronchial mucosa, with consequent
selective eosinophil influx, has been implicated in the pathogenesis of bronchial asthma. The …
selective eosinophil influx, has been implicated in the pathogenesis of bronchial asthma. The …
Duodenal eosinophilia and early satiety in functional dyspepsia: confirmation of a positive association in an A ustralian cohort
…, MD Weltman, M Jones, N Powell… - Journal of …, 2014 - Wiley Online Library
Background and Aim Functional dyspepsia ( FD ), defined by unexplained pain or discomfort
centered in the upper abdomen, is common. Diagnosis and treatment of FD based on the …
centered in the upper abdomen, is common. Diagnosis and treatment of FD based on the …
Anti-SARS-CoV-2 antibody responses are attenuated in patients with IBD treated with infliximab
…, TJ McDonald, CW Lees, S Sebastian, N Powell… - Gut, 2021 - gut.bmj.com
Objective Antitumour necrosis factor (anti-TNF) drugs impair protective immunity following
pneumococcal, influenza and viral hepatitis vaccination and increase the risk of serious …
pneumococcal, influenza and viral hepatitis vaccination and increase the risk of serious …
Gastrointestinal eosinophils in health, disease and functional disorders
N Powell, MM Walker, NJ Talley - Nature Reviews Gastroenterology & …, 2010 - nature.com
Eosinophils are potent innate immune cells that home to the gastrointestinal tract where they
participate in host immunity to luminal pathogens, and help to maintain intestinal epithelial …
participate in host immunity to luminal pathogens, and help to maintain intestinal epithelial …
[HTML][HTML] Chronic cigarette smoke exposure induces systemic hypoxia that drives intestinal dysfunction
Crohn’s disease (CD) is a chronic inflammatory disease of the gastrointestinal tract (GIT).
Cigarette smoke (CS) exposure and chronic obstructive pulmonary disease (COPD) are risk …
Cigarette smoke (CS) exposure and chronic obstructive pulmonary disease (COPD) are risk …
[PDF][PDF] An atlas of human regulatory T helper-like cells reveals features of Th2-like Tregs that support a tumorigenic environment
…, O Mckinney, BH Hayee, SN Karagiannis, N Powell… - Cell reports, 2017 - cell.com
Regulatory T cells (Tregs) play a pivotal role in maintaining immunological tolerance, but
they can also play a detrimental role by preventing antitumor responses. Here, we …
they can also play a detrimental role by preventing antitumor responses. Here, we …
[HTML][HTML] IL-25/IL-33–responsive TH2 cells characterize nasal polyps with a default TH17 signature in nasal mucosa
…, SR Durham, ANJ McKenzie, N Powell… - Journal of Allergy and …, 2016 - Elsevier
Background Chronic rhinosinusitis with nasal polyposis (CRSwNP) in Western countries is
characterized by eosinophilia, IgE production, and T H 2 cytokine expression. Type 2 innate …
characterized by eosinophilia, IgE production, and T H 2 cytokine expression. Type 2 innate …
Vaccine escape, increased breakthrough and reinfection in infliximab-treated patients with IBD during the Omicron wave of the SARS-CoV-2 pandemic
…, RJ Boyton, DM Altmann, S Sebastian, N Powell… - Gut, 2023 - gut.bmj.com
Objective Antitumour necrosis factor (TNF) drugs impair serological responses following
SARS-CoV-2 vaccination. We sought to assess if a third dose of a messenger RNA (mRNA)-…
SARS-CoV-2 vaccination. We sought to assess if a third dose of a messenger RNA (mRNA)-…
[HTML][HTML] Complement receptor CD46 co-stimulates optimal human CD8+ T cell effector function via fatty acid metabolism
The induction of human CD4 + Th1 cells requires autocrine stimulation of the complement
receptor CD46 in direct crosstalk with a CD4 + T cell-intrinsic NLRP3 inflammasome. However…
receptor CD46 in direct crosstalk with a CD4 + T cell-intrinsic NLRP3 inflammasome. However…
[HTML][HTML] GoPros™ as an underwater photogrammetry tool for citizen science
…, SF Dupont, CP Mathewson, SJ O'Neill, NN Powell… - PeerJ, 2016 - peerj.com
Citizen science can increase the scope of research in the marine environment; however, it
suffers from necessitating specialized training and simplified methodologies that reduce …
suffers from necessitating specialized training and simplified methodologies that reduce …