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Microbiology Logo Microbiology & Immunology
Te Tari Moromoroiti me te Ārai Mate

Professor Alexander McLellan

Research interests:

Cancer immunotherapy

Current research:

CAR T cells (Chimeric Antigen Receptor-modified T cells) against solid tumours. Cancer stem cell antigens, tumour-associated antigens, and tumour microenvironment metabolites. Cytokine and chemokine receptor strategies to improve T cell function against solid tumours.

 Research projects

  • Chimeric Antigen Receptor T cells (CAR-T cells) and NK cells targeting solid tumours
  • Targeting the tumour microenvironment
  • Fighting the cytokine storm
  • Improved anti-cancer T cell migration using targeted cytokines

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Mclellan Lab 2020  

Lab Group 


Prof. Alex Mclellan
Principal Investigator
Office: +64 3 479 7728


Sarah Saunderson3




Dr. Sarah Saunderson - Research Fellow   

 Ali Hosseini Rad - Post Doctoral Fellow

Aarati Poudel - Post Doctoral Fellow

Postgraduate students

 HannahGoy3  GraceTan2  JoshHalpin3  
Hannah Goy - PhD Student  Grace Min Yi Tan -PhD Student Josh Halpin - PhD Student  
   Sam Smith Bell    
   Sam Smith-Bell - PhD Student    
 PlaceholderFemale17 thumbnail 6

Lydia White




Alinor Rose - MSc Student Jayde Ngata BSc(Hons) Student  Lydia White - MSc Sstudent   

       Origin and nationalities of members of our 'lab without borders'

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  Current Students

  • Seyed Ali Hosseini Rad (PhD candidate / ARF): saRNA strategies to improve T cell memory and survival
  • Aarati Poudel (PhD candidate / ARF): Modified G-protein coupled receptors for T cell migration to solid tumours / RNAi expression within CAR T cell cassettes
  • Grace Tan (PhD student): Inducible expression for enhancing T cell memory 
  • Hannah Goy (PhD student): Auto-inducible promotors to enhance patient safety in adoptive cell therapy
  • Josh Halpin (PhD student): Fine mapping sequence requirements for the costimulator domain of third generation CAR T cells
  • Sam Smith-Bell (PhD): Developing reagents for quality control of CAR T cell preparations (currently Summer Student)
  • Kevin He (MSc thesis only): Compact  and multipurpose promoters for CAR expression
  • Lydia White (BSc Hons): Bcl-2 family member - mediated modification of CAR T cell activity


  • Dr. Sarah Saunderson (BBiomedSc(Hons), PhD; Research Fellow): Marsden Fast Start funded
  • Dr. Ali Hosseini (PhD) Marsden Funded Post Doctoral Fellow. CAR T cells.
  • Dr. Aarati Poudel (PhD) Cancer Society Post Doctoral Fellow. CAR T cells.
  • Jayde Ngata (Assistant Research Fellow; BSc(Hons) student): Marsden Funded researcher.
  • Liz Berry Research coordinator
  • Prof. Alex McLellan (BSc, MSc, PhD; Chef): Tea and coffee synthesis, grant applications and guidance

 Recently completed


  • Lydia White BSc(Hons) 2020
  • Palak Shrivastava BSc(Hons) 2020
  • Kevin He PGDipSci 2018, MSc 2020.
  • Sam Smith-Bell BBiomedSc Hons 2019
  • Ella Dally BBiomedSc Hons 2019
  • Jessica Matheson PGDipSci 2019
  • Thu Dinh BBiomedSci (Hons) 2018
  • Thomas Marsland BSc(Hons; with A/Prof. Mik Black) 2018
  • Josh Halpin BSc(Hons) 2018
  • Hannah Goy BSc(Hons) 2017
  • Jessica Bruce-Jones BSc(Hons) 2016
  • Bailey Kennedy BSc(Hons) 2015

Other activities

  • Member of the Centre for Translational Cancer Research (Otago) and The Renal Theme (Otago). Former Manager, University of Otago Flow Cytometry Facility (2004-2012)

Current Collaborations

  • Dr. Yoshio Nakatani; Dept. Microbiology and Immunology (From the stairwell to the world: 2017 Proof of Concept winners named)
  • Assoc. Prof. Mike Kershaw and Prof. Phil Darcy; Peter MacCallum Cancer Centre, Melbourne, Australia
  • Prof. Mette Rosenkilde / Dr. Stefanie Karlshøj; University of Copenhagen, Denmark): GPCR and the tumour microenvironment in T cell immunotherapy

Sources of funding 

The group has recently received funding from HRC (2020 & 2017 Explorer grant), The Royal Society Marsden Fund (2019), The NZ Cancer Society 2018, The Proof of Concept Award (2017; cytokine storm and tumour immunotherapy), The Cancer Society, The William Sherriff Trust, Lottery Health Research, The University of Otago Research Grant committee and the Otago School of Medical Sciences. In 2014, a generous donation of $4500 from Audrey Tay's 'Shave for Cancer' supported our work on cancer-related thrombosis – thanks Audrey!

Recent publicity




Selected publications (see Google Scholar or PubMed profile)

*Rad SMAH, *Halpin JC, Mollaei M, Smith-Bell SWJ, Hirankarn N, McLellan AD. Metabolic and Mitochondrial functioning in Chimeric Antigen Receptor (CAR) – T cells. Cancers. 2021. 13(6), 1229. *Joint first authors.

He, K, Rad, S.A.H, Poudel A, McLellan, A.D. Compact Bidirectional Promoters for Dual-Gene Expression in a Sleeping Beauty Transposon. International Journal of Molecular Sciences. 2020; 21(23), 9256.

Rad SM AH, Poudel A, Tan GMY, He K and McLellan AD. Regulation of Human Mcl-1 by a Divergently-Expressed Antisense Transcript. Gene. 2020.

Rad SM AH, Poudel A, Tan GMY, and McLellan AD. Promoter choice: who should drive the CAR in T Cells? Plos One 2020. 15(7):e0232915. doi: 10.1371/journal.pone.0232915.

Rad SM AH, Poudel A, Tan GMY, and McLellan AD. Optimisation of Tet-On inducible systems for Sleeping Beauty-based chimeric antigen receptor (CAR) applications. Scientific Reports 2020. 10:13125.

Rad SM AH, and McLellan AD. Implications of SARS-CoV-2 mutations for genomic RNA structure and host microRNA targeting. International Journal of Molecular Sciences. 2020; 21(13), 4807

McLellan AD, Rad SM. Chimeric antigen receptor T cell persistence and memory cell formation. Immunology and Cell Biology. 2019. doi: 10.1111/imcb.12254.

Weinkove R, George P, Dasyam N. McLellan AD. Selecting costimulatory domains for CAR T cells: functional and clinical considerations. Clinical Translational Immunology. 2019.  May 11;8(5):e1049. doi: 10.1002/cti2.1049. Winner of the ASI Social Impact Prize.

Muhsin-Sharafaldine MR and McLellan AD. Apoptotic vesicles: Deathly players in cancer-associated coagulation. Immunology and Cell Biology. 2018. doi: 10.1111/imcb.12162

Muhsin-Sharafaldine MR and McLellan AD. Tumor-derived apoptotic vesicles: with death they do part. Frontiers in Immunology 2018. doi: 10.3389/fimmu.2018.00957

Saunderson SC and McLellan AD. Role of lymphocyte subsets in the immune response to primary B cell-derived exosomes. Journal of Immunology

Muhsin-Sharafaldine MR, Saunderson SC, Dunn AC, McLellan AD. Melanoma growth and lymph node metastasis is independent of host CD169 expression. Biochem Biophys Res Commun. 2017 Mar 27. pii: S0006-291X(17)30613-7.

Muhsin-Sharafaldine MR, Kennedy BR, Saunderson SC, Buchanan CR, Dunn AC, Faed JM, McLellan AD. Mechanistic insight into the procoagulant activity of tumor-derived apoptotic vesicles. Biochimica Biophysica Acta – General Subjects. 2017 Feb;1861(2):286-295

Muhsin-Sharafaldine MR, Saunderson SC, Dunn AC, Faed JM, Kleffmann T, McLellan AD. Procoagulant and immunogenic properties of melanoma exosomes, microvesicles and apoptotic vesicles. Oncotarget. 2016. doi: 10.18632/oncotarget.10783.

Jemon K, Leong CM, Ly K, Young SL, McLellan AD, Hibma MH. Suppression of the CD8 T cell response by human papillomavirus type 16 E7 occurs in Langerhans cell-depleted miceScientific Reports. 2016 Oct 6;6:34789. doi: 10.1038/srep34789.

Black LV*, Saunderson SC*, Coutinho FP, Muhsin-Sharafaldine MR, Damani TT, Dunn AC, McLellan AD. The CD169 sialoadhesin molecule mediates cytotoxic T cell responses to tumour apoptotic vesicles. Immunol Cell Biol. 2015 Dec 9. doi:10.1038/icb.2015.111. *First equal authorship.

Dunn E, Roxburgh M, Larsen L, Smith RA, McLellan AD, Heikal AF. Murphy MP, Cook GM. Incorporation of triphenylphosphonium functionality improves the inhibitory properties of phenothiazine derivatives in Mycobacterium tuberculosis. Bioorganic and Medicinal Chemistry 2014. 22(19):5320-8

McLellan AD. Can microbes destroy cancer? Australasian Science, 2014; Sept.: 19-21.

McLellan AD. A critical role for natural killer cells in tumour immunotherapy. Oncoimmunlogy 2014. 2014; 3:e28582;

Bouwer AL, Saunderson SC, Caldwell FJ, Damani TT, Pelham SJ, Dunn AC, Jack RW, Stoitzner P, McLellan AD. Natural killer cells are required for dendritic cell-based immunotherapy at the time of tumor challenge. Journal of Immunology 2014. doi:10.4049/jimmunol.1202797

Saunderson SC, Dunn AC, Crocker PR, McLellan AD. CD169 mediates the capture of exosomes in spleen and lymph nodeBlood. 2014. 123:208-216.

Tannock GW, Taylor C, Lawley B, Loach, Gould, M, Dunn AC, McLellan AD, Black MA, McNoe L, Dekker J, Gopal P, Collet MA. Altered transcription of murine genes induced in the small bowel by administration of probiotic strain Lactobacillus rhamnosus HN001Appl Environ Microbiol. 2014. 80(9):2851-9.

Bouwer AL, Saunderson SC, Dunn AC, Lester KL, Crowley LR, Jack RW,  McLellan AD. Rapid interferon-gamma release from natural killer cells induced by a streptococcal commensalJournal of Interferon & Cytokine Research. 2013. 33(8):459-66.

Czepluch W, Dunn AC, Everitt CL, Dorer D, Saunderson SC, Aldwell FE, McLellan AD. Extracellular forms of Mycobacterium bovis BCG in the mucosal lymphatic tissues following oral vaccination. Int. J. Mycobacteriology. 2012 2(1) 44–50.

Ting YT, Coates PT, Walker RJ, McLellan AD. Urinary tubular biomarkers as potential early predictors of renal allograft rejectionNephrology. 2012; 17(1):11-6.

Baker NJ, Schofield JC, Caswell MD, McLellan AD. An Investigation of Early Atipamezole Reversal of Medetomidine / Ketamine Anesthetised MiceJ. Am. Assoc. Lab. Anim. Sci. 2011; 50(6):916-20.

Nixon G, Blattner K, Dawson J, Dovey S, Black M, Wilkins G, Dunn AC, McLellan AD. Streptokinase antibodies in patients presenting with acute coronary syndrome in three rural New Zealand populations.Journal of Clinical Pathology 2011; 64(5):426-9.

Ting YT, Coates PT, Marti HP, Dunn AC, Parker RM, Pickering JW, Jack RW, Kemp RA, Walker RJ, McLellan AD. Urinary soluble HLA-DR is a potential biomarker for acute renal transplant rejection.Transplantation 2010; 89(9):1071-8.

Temme S, Eis-Hübinger A, McLellan AD, Koch N. The Herpes Simplex Virus-1 Encoded Glycoprotein B Diverts HLA-DR Into the Exosome PathwayJ. Immunol. 2010; 184: 236-43.

Stoitzner P, Romani N, McLellan AD, Tripp CH, Ebner S. Isolation of skin dendritic cells from mouse and manMethods Mol Biol. 2010: 595:235-48.

Bouwer AL, Netter P, Kemp RA and McLellan AD. A defined serum-free medium useful for monitoring anti-melanoma responses induced by dendritic cell immunotherapy. J. Immunological Methods. 2009; 352: 178-181.

Ting YT, Temme S, Koch N, McLellan AD. A new monoclonal antibody recognizing a linear determinant on the HLA-DR-chain N-terminusHybridoma 2009; 28: 423-9.

McLellan AD. Exosome release by primary B cellsCritical Reviews in Immunology. 2009; 29(3) 203-217.

Gebhard S, Hümpel A, McLellan AD and Cook GM. The alternative sigma factor SigF of Mycobacterium smegmatis is required for survival of heat shock, acidic pH and oxidative stress.Microbiology-SGM. 2008; 154: 2786-95.

Saunderson SC, Schuberth PC, Miller, L, Hock, BD, Dunn, AC, MacKay, PA, Jack, RW, Koch N. and McLellan AD. Induction of exosome release in primary B cells stimulated via CD40 and the IL-4 receptorJournal of Immunology. 2008; 180(12):8146- 52.

Koch N, McLellan AD, Neumann J. A revised model for invariant chain-mediated assembly of Major Histocompatibility Complex class II peptide receptorsTrends in Biochemical Sciences 2007;32(12):532-7.

Dorer DE, Czepluch W, Lambeth MR, Dunn AC, Reitinger C, Aldwell FE, McLellan AD. Lymphatic tracing and T cell responses following oral vaccination with live Mycobacterium bovis (BCG)CellularMicrobiology. 2007; 9(2): 544-553.

O'Donnell J, Hayman M, Spellerberg M, McLellan AD; Brooksbank K, Chapman P, Stamp L.Antineutrophil cytoplasmic antibody measurement - advantages and disadvantages of a capture PR3 ELISA and a direct PR3 ELISA. Pathology 2007; 39(2):258-63.

MacKay PA, Leibundgut-Landmann S, Koch N, Dunn AC, Reith W, Jack RW, McLellan AD. Circulating, soluble forms of major histocompatability complex antigens are not exosome-associated. European Journal of Immunology 2006; 36(11):2875- 2884.

Douillard P, Stoitzner P, Tripp CH, Clair-Moninot V, Ait-Yahia S, McLellan AD, Eggert A, Romani N, and Saeland S. Mouse lymphoid tissue contains distinct subsets of langerin / CD207+ dendritic cells, only one of which represents epidermal-derived Langerhans cells. Journal of Investigative Dermatology. 2005; 125(5):983-94.

Aldwell FE, Baird MA, Fitzpatrick CE, McLellan AD., Cross F, Lambeth M, and Buchan GS Oral vaccination of mice with lipid-encapsulated Mycobacterium bovis BCG: Anatomical sites of bacterial replication and immune activity. Immunology and Cell Biology. 2005; 83(5):549-53.

Hock BD, Roberts G, McKenzie JL, Gokhale P, Salm N, McLellan AD, Patton N, Roake JA. Exposure to the electrofusion process can increase the immunogenicity of human cells. Cancer Immunology and Immunotherapy. 2005; 54:880-890.

Leverkus M, McLellan AD, Heldmann M, Eggert AO, Brocker EB, Koch N, Kampgen E. MHC class II-mediated apoptosis in dendritic cells: a role for membrane-associated and mitochondrial signaling pathways. Int Immunol. 2003; 15(8):993-1006.

Kammerer U, Eggert AO, Kapp M, McLellan AD, Geijtenbeek TB, Dietl J, VanKooyk Y, Kampgen E.Unique Appearance of Proliferating Antigen-Presenting Cells Expressing DC-SIGN(CD209) in the Decidua of Early Human Pregnancy. Am J Pathol. 2003; 162(3):887-96.

Stoitzner P, Holzmann S, McLellan AD, Ivarsson L, Stossel H, Kapp M,Kammerer U, Douillard P, Kampgen E, Koch F, Saeland S, Romani N. Visualization and characterization of migratory Langerhans cells in murine skin and lymph nodes by antibodies against Langerin/CD207. J Invest Dermatol. 2003; 120(2):266-74.

McLellan AD, Kapp M, Eggert A, Linden C, Bommhardt U, Brocker EB, Kammerer U, Kampgen E.Anatomic location and T-cell stimulatory functions of mouse dendritic cell subsets defined by CD4 and CD8 expression. Blood. 2002; 99(6):2084-93.

Kolb-Maurer A, Pilgrim S, Kampgen E, McLellan AD, Brocker EB, Goebel W,Gentschev I. Antibodies against listerial protein 60 act as an opsonin for phagocytosis of Listeria monocytogenes by human dendritic cells. Infect Immun. 2001; 69(5):3100-9.

Schrama D, thor Straten P, Fischer WH, McLellan AD, Brocker EB, Reisfeld RA, Becker JC. Targeting of lymphotoxin-alpha to the tumor elicits an efficient immune response associated with induction of peripheral lymphoid-like tissue. Immunity. 2001; 14(2):111-21.

McLellan AD, Terbeck G, Mengling T, Starling GC, Kiener PA, Gold R, Brocker EB, Leverkus M, Kampgen E. Differential susceptibility to CD95 (Apo-1/Fas) and MHC class II-induced apoptosis during murine dendritic cell development. Cell Death Differ. 2000; 7(10):933-8.

McLellan AD, Brocker EB, Kampgen E. Dendritic cell activation by danger and antigen-specific T-cell signalling. Exp Dermatol. 2000; 9(5):313-22.

McLellan A, Heldmann M, Terbeck G, Weih F, Linden C, Brocker EB, Leverkus M, Kampgen E. MHC class II and CD40 play opposing roles in dendritic cell survival. Eur J Immunol. 2000; 30(9):2612-9.

McLellan AD, Kampgen E. Functions of myeloid and lymphoid dendritic cells. Immunol Lett. 2000; 72(2):101-5.

McLellan AD, Heiser A, Hart DN. Induction of dendritic cell costimulator molecule expression is suppressed by T cells in the absence of antigen-specific signalling: role of cluster formation, CD40 and HLA-class II for dendritic cell activation. Immunology. 1999; 98(2):171-80.

McLellan AD, Heiser A, Sorg RV, Fearnley DB, Hart DN. Dermal dendritic cells associated with T lymphocytes in normal human skin display an activated phenotype. J Invest Dermatol. 1998; 111(5):841-9.

McLellan AD, Sorg RV, Williams LA, Hart DN. Human dendritic cells activate T lymphocytes via a CD40: CD40 ligand-dependent pathway. Eur J Immunol. 1996; 26(6):1204-10.

Starling GC, McLellan AD, Egner W, Sorg RV, Fawcett J, Simmons DL, Hart DN. Intercellular adhesion molecule-3 is the predominant co-stimulatory ligand for leukocyte function antigen-1 on human blood dendritic cells. Eur J Immunol. 1995;2 5(9):2528-32.

McLellan AD, Starling GC, Williams LA, Hock BD, Hart DN. Activation of human peripheral blood dendritic cells induces the CD86 co-stimulatory molecule. Eur J Immunol. 1995; 25(7):2064-8.

McLellan AD, Starling GC, Hart DN. Isolation of human blood dendritic cells by discontinuous Nycodenz gradient centrifugation. J Immunol Methods. 1995,184:81-9.