TI-2: Integrative Immunogenetics and Cellular Approaches toward Developing an Antigen-Specific Therapy

Coordinators:P.Bacher(CAU),A.Scheffold(CAU)

ThemembersofTI-2wanttoidentifypotentialtriggersofchronicinflammatoryboweldisease(IBD).TheinflammationismaintainedbyimmunecellssocalledTcells,whichmistakenlytargetharmlessintestinalcomponents,forexamplepartsofthemicrobiomeorfoodcomponents,andinthiswayleadtotissuedamage.TheresearchersinTI-2wanttoidentifynovelandpatient-specifictherapeutictargetsanddiagnosticopportunitieswiththeaimofselectivelyswitchingoffthedisease-causingTcells.

What does this research areaâs work build on?

Tcells,whichcanbeactivatedbyintestinalantigens,contributesignificantlytoIBDpathogenesis,andarethuspotentialdriversofboth,thediseaseaswellasresistancetotreatment.Tcellsrecognizeantigens,whicharepresentedbyHLAmoleculesonantigen-presentingcells.ThescientistsinTI-2havealreadyidentifiedHLAclassIIsusceptibilityallelesinIBDpatients,whichsupportstheideaofHLA-Tcellinteractionsaspotentialdriversofdisease.However,thespecificantigenswhicharerecognizedbyTcells,thetypeofTcellresponsestodifferentantigens,aswellasthepatient-specificcontributionofindividualHLAriskalleles,havenotyetbeendefined.

What are the main research objectives?

BasedonthegeneticandTcellanalyses,theresearchareahasdevelopedanintegrativeresearchagendatoidentifyTcelltargetantigensrelatedtoIBD.Thegoalistodevelopnewantigen-specificandpatient-specificdiagnosticapproachesandpersonalizedantigen-specifictreatmentstrategiesforIBDpatients.Tothisend,thememberswanttoidentifypotentiallydisease-causingenvironmentalmicrobes,antigens,proteinsandpeptides,andthenquantitativelyandqualitativelycharacterizethedisease-relevantTcells.

What makes this research area special?

Themembershavedevelopedanewmethodologywhichenablesthemtoidentifypotentialdisease-causingTcellsandtheconstituentsofthemicrobiomewhichtheyreactto,andthuscharacterizethedisease-relatedchanges.Usingthis,thepropertiesofthepathogeniccellsshouldbepreciselyidentifiedinTI-2,andthenspecificallyswitchedoffintreatment.Inaddition,theresearchareaisveryinterdisciplinary,withresearchersfromimmunology,evolutionarybiology,geneticepidemiologyandbioinformaticsworkingverycloselytogether.

What does the research area contribute to precision medicine in chronic inflammation?

TheidentificationofclinicallyrelevantIBDantigensandspecificTcellsisthebasisforantigen-specificandpatient-specificdiagnosticsandimmunotherapy.ThecorrectionofthepathogenicadaptiveimmuneresponsemakesitpossibletobreaktheviciouscycleofIBDbecomingchronic,andthusrepresentsanovelandpotentiallycurativetherapeuticapproach.Ifthepotentialantigencomesfromtheenvironment,itcouldsimplybeavoided.Relevantantigensfrombacteriacouldpossiblybeeliminatedbyspecificphagetherapy.

Cooperation with other research areas in the cluster

  • RTFII:Microbiomeanalysis,inordertoidentifypossibletargetantigens,especiallywithinthemicrobiota
  • RTFIII:EpigeneticsignaturesandmodificationofpathologicalTcellresponses
  • RTFIV:Cytometryfacility:sortingandcharacterizationofdisease-relevantTcells
  • RTFVI:Sequencingtoolstocomprehensivelycharacterizedisease-relevantTcells

Members

Prof. Dr. Lars Bertram

Full member

University of Lübeck
Lübeck Interdisciplinary Platform for Genome Analytics (LIGA)

Prof. Dr. Stefanie Derer-Petersen

Full member

UKSH Campus Lübeck
Institute of Medical Nutrition Science
RG Molecular Gastroenterology

Prof. Dr. Marc Ehlers

Full member

UKSH Campus Lübeck
Institute of Medical Nutrition Science
Immunology and Glycoanalytics

Prof. Dr. David Ellinghaus

Full member

Kiel University
Institute of Clinical Molecular Biology
Centre for Molecular Biosciences

Dr. Eva Ellinghaus

Full member

Kiel University
Institute of Clinical Molecular Biology
Centre for Molecular Biosciences

Prof. Dr. rer. nat. Andre Franke

Full member

Kiel University
Institute of Clinical Molecular Biology
Genetics & Bioinformatics

Prof. Dr. Sabine Fuchs

Full member

UKSH Campus Kiel
Department of Trauma Surgery
Experimental Orthopaedics and Trauma Surgery

M. Sc. Mikhail Goncharov

Associated member

UKSH Campus Kiel
Department of Immunology
AG Prof. Bacher

Dr. med. Rainer Günther

Full member

UKSH Campus Kiel
Department of Internal Medicine I

Prof. Dr. Arndt Guido Heine

Full member

UKSH Campus Kiel
Department of Dermatology, Venereology and Allergology

Jennifer Het

Associated member

UKSH Campus Kiel
Department of Dermatology, Venereology and Allergology
AG Prof. Heine

Prof. Dr. rer. nat. Andreas Hutloff

Full member

UKSH Campus Kiel
Department of Immunology

Prof. Dr. Saleh Ibrahim

Full member

UKSH Campus Lübeck
Lübeck Institute for Experimental Dermatology
Genetics of Inflammatory Diseases

Prof. Dr. rer. biol. hum. Ottmar Janssen

Full member

UKSH Campus Kiel
Department of Immunology

Prof. Dr. med. Dietrich Kabelitz

Full member

UKSH Campus Kiel
Department of Immunology

M.Sc. Sina Kaiser

Associated member

UKSH Campus Kiel
Department of Dermatology, Venereology and Allergology
AG Prof. Heine

PD Dr. Kathrin Kalies

Full member

University of Lübeck
Institute for Anatomy

Dr. rer. nat. Anika Kasprick

Associated member

UKSH Campus Lübeck
Lübeck Institute for Experimental Dermatology
AG Prof. Ludwig

Prof. Dr. Claudia Kemper

Full member

University of Lübeck
Institute for Systemic Inflammation Research

Prof. Dr. Jörg Köhl

Full member

University of Lübeck
Institute for Systemic Inflammation Research

Prof. Dr. rer. nat. Ben Krause-Kyora

Full member

Kiel University
Institute of Clinical Molecular Biology
Ancient DNA Research

Prof. Dr. Ralf Ludwig

Full member

UKSH Campus Lübeck
Lübeck Institute for Experimental Dermatology
Model Systems of Inflammatory Skin Diseases

M.Sc. Hnna Marutz

Associated member

UKSH Campus Kiel
Department of Immunology
AG Prof. Bacher

Prof. Dr. rer. nat. Silke Meiners

Full member

Kiel University
Institute of Experimental Medicine

c/o Research Center Borstel - Leibniz Lung Center
Immunology and Cell Biology
Priority Research Area Chronic Lung Diseases

Prof. Dr. med. Franz-Josef Müller

Full member

UKSH Campus Kiel
Department of Psychiatry and Psychotherapy
Center for Integrative Psychiatry gGmbH

Prof. Almut Nebel

Full member

Kiel University
Institute of Clinical Molecular Biology
Longevity Ancient DNA Research

Dr. rer. nat. Christian Peters

Associated member

UKSH Campus Kiel
Department of Immunology
AG Prof. Kabelitz

M.Sc. Laura Rathjens

Associated member

UKSH Campus Kiel
Department of Immunology
AG Prof. Bacher

Prof. Dr. Karina Reiß

Full member

UKSH Campus Kiel
Department of Dermatology, Venereology and Allergology

Prof. Dr. Gabriela Riemekasten

Full member

UKSH Campus Lübeck
Department of Rheumatology and Clinical Immunology

M.Sc. Gabriela Rios Martini

Associated member

UKSH Campus Kiel
Institute of Clinical Molecular Biology
AG Prof. Bacher

Prof. Dr. Jan Rupp

Full member

UKSH Campus Lübeck
Department of Infectious Diseases and Microbiology

Dr. rer. nat. Carina Saggau

Associated member

UKSH Campus Kiel
Department of Immunology

Prof. Dr. rer. nat. Alexander Scheffold

Full member

UKSH Campus Kiel
Department of Immunology

Prof. Dr. med. Stefan Schreiber

Spokesperson

Kiel University
Institute of Clinical Molecular Biology

Prof. Dr. rer. nat. Susanne Sebens

Full member

UKSH Campus Kiel
Institute of Experimental Cancer Research

Dr. oec. troph. Ina Suhrkamp

Associated member

UKSH Campus Kiel
Department of Dermatology, Venereology, and Allergology
AG Prof. Heine

Prof. Dr. Andreas Tholey

Full member

UKSH Campus Kiel
Institute of Experimental Medicine
Systematic Proteomics

M. Sc. Alba Troci

Associated member

Kiel University
Institute of Clinical Molecular Biology
AG Prof. Franke

Prof. Dr. med. Thomas Valerius

Full member

UKSH Campus Kiel
Department of Internal Medicine II
Stem Cells and Immunotherapy

Dr. Artem Vorobyev

Associated member

UKSH Campus Lübeck
Department of Dermatology, Allergology and Venerology

Eva Wendt

Associated member

UKSH Campus Kiel
Department of Internal Medicine I

Prof. Dr. Daniela Wesch

Full member

UKSH Campus Kiel
Department of Immunology