Philip J. Titcombe

MDPhD student Philip Titcombe

Email: titco008@umn.edu

Entering class: 2017

Education:  
Macalester College
Economics major, Biology and Chemistry minors
B.A., 2011

University of Minnesota
Microbiology, Immunology and Cancer Biology Graduate Program
Ph.D., 2022

Thesis Advisor: Dan Meuller, M.D.

Publications (pubmed)

Thomas SN, Altawallbeh G, Zaun CP, Pape KA, Peters JM, Titcombe PJ, Dileepan T, Rapp MJ, Bold TD, Schacker TW, Arbefeville S, Ferrieri P, Thyagarajan B, Jenkins MK, Karger AB. Initial determination of COVID-19 seroprevalence among outpatients and healthcare workers in Minnesota using a novel SARS-CoV-2 total antibody ELISA. Clin Biochem. 2021 Apr;90:15-22. PMCID: PMC7849522

Sahlström P, Hansson M, Steen J, Amara K, Titcombe PJ, Forsström B, Stålesen R, Israelsson L, Piccoli L, Lundberg K, Klareskog L, Mueller DL, Catrina AI, Skriner K, Malmström V, Grönwall C. Different Hierarchies of Anti-Modified Protein Autoantibody Reactivities in Rheumatoid Arthritis. Arthritis Rheumatol. 2020 Oct;72(10):1643-1657.

Work prior to the UMN MSTP:

Grönwall C, Liljefors L, Bang H, Hensvold AH, Hansson M, Mathsson-Alm L, Israelsson L, Joshua V, Svärd A, Stålesen R, Titcombe PJ, Steen J, Piccoli L, Sherina N, Clavel C, Svenungsson E, Gunnarsson I, Saevarsdottir S, Kastbom A, Serre G, Alfredsson L, Malmström V, Rönnelid J, Catrina AI, Lundberg K, Klareskog L. A Comprehensive Evaluation of the Relationship Between Different IgG and IgA Anti-Modified Protein Autoantibodies in Rheumatoid Arthritis. Front Immunol. 2021 May 20;12:627986. PMCID: PMC8173192

Lloyd KA, Wigerblad G, Sahlström P, Garimella MG, Chemin K, Steen J, Titcombe PJ, Marklein B, Zhou D, Stålesen R, Ossipova E, Lundqvist C, Ekwall O, Rönnelid J, Mueller DL, Karlsson MCI, Kaplan MJ, Skriner K, Klareskog L, Wermeling F, Malmström V, Grönwall C. Differential ACPA Binding to Nuclear Antigens Reveals a PAD-Independent Pathway and a Distinct Subset of Acetylation Cross-Reactive Autoantibodies in Rheumatoid Arthritis. Front Immunol. 2019 Jan 4;9:3033. PMCID: PMC6328449

Steen J, Forsström B, Sahlström P, Odowd V, Israelsson L, Krishnamurthy A, Badreh S, Mathsson Alm L, Compson J, Ramsköld D, Ndlovu W, Rapecki S, Hansson M, Titcombe PJ, Bang H, Mueller DL, Catrina AI, Grönwall C, Skriner K, Nilsson P, Lightwood D, Klareskog L, Malmström V. Recognition of Amino Acid Motifs, Rather Than Specific Proteins, by Human Plasma Cell-Derived Monoclonal Antibodies to Posttranslationally Modified Proteins in Rheumatoid Arthritis. Arthritis Rheumatol. 2019 Feb;71(2):196-209. PMCID: PMC6563427

Titcombe PJ, Wigerblad G, Sippl N, Zhang N, Shmagel AK, Sahlström P, Zhang Y, Barsness LO, Ghodke-Puranik Y, Baharpoor A, Hansson M, Israelsson L, Skriner K, Niewold TB, Klareskog L, Svensson CI, Amara K, Malmström V, Mueller DL. Pathogenic Citrulline-Multispecific B Cell Receptor Clades in Rheumatoid Arthritis. Arthritis Rheumatol. 2018 Dec;70(12):1933-1945. PMCID: PMC6261688

Lloyd KA, Steen J, Amara K, Titcombe PJ, Israelsson L, Lundström SL, Zhou D, Zubarev RA, Reed E, Piccoli L, Gabay C, Lanzavecchia A, Baeten D, Lundberg K, Mueller DL, Klareskog L, Malmström V, Grönwall C. Variable domain N-linked glycosylation and negative surface charge are key features of monoclonal ACPA: Implications for B-cell selection. Eur J Immunol. 2018 Jun;48(6):1030-1045.

Amara K, Clay E, Yeo L, Ramsköld D, Spengler J, Sippl N, Cameron JA, Israelsson L, Titcombe PJ, Grönwall C, Sahbudin I, Filer A, Raza K, Malmström V, Scheel-Toellner D. B cells expressing the IgA receptor FcRL4 participate in the autoimmune response in patients with rheumatoid arthritis. J Autoimmun. 2017 Jul;81:34-43. PMCID: PMC5473332

Joshua V, Schobers L, Titcombe PJ, Israelsson L, Rönnelid J, Hansson M, Catrina AI, Pruijn GJ, Malmström V. Antibody responses to de novo identified citrullinated fibrinogen peptides in rheumatoid arthritis and visualization of the corresponding B cells. Arthritis Res Ther. 2016 Dec 1;18(1):284. PMCID: PMC5133744

Laudenbach M, Baruffaldi F, Vervacke JS, Distefano MD, Titcombe PJ, Mueller DL, Tubo NJ, Griffith TS, Pravetoni M. The frequency of naive and early-activated hapten-specific B cell subsets dictates the efficacy of a therapeutic vaccine against prescription opioid abuse. J Immunol. 2015 Jun 15;194(12):5926-36. doi: 10.4049/jimmunol.1500385. PMCID: PMC4458396

Haasken S, Auger JL, Taylor JJ, Hobday PM, Goudy BD, Titcombe PJ, Mueller DL, Binstadt BA. Macrophage scavenger receptor 1 (Msr1, SR-A) influences B cell autoimmunity by regulating soluble autoantigen concentration. J Immunol. 2013 Aug 1;191(3):1055-62. PMCID: PMC3720797

Taylor JJ, Martinez RJ, Titcombe PJ, Barsness LO, Thomas SR, Zhang N, Katzman SD, Jenkins MK, Mueller DL. Deletion and anergy of polyclonal B cells specific for ubiquitous membrane-bound self-antigen. J Exp Med. 2012 Oct 22;209(11):2065-77. PMCID: PMC3478923