Biography

Elizabeth Ryan is a Senior Lecturer in Immunology at the Department of Biological Sciences and Investigator in the Health Research Institute and Biomaterials cluster of the Bernal Institute at the University of Limerick. Dr. Ryan received her PhD in Immunology in 2000 on the topic of Whooping Cough vaccination with Prof. Kingston Mills. She then undertook a post-doctoral fellowship in the laboratory of Prof. Ed Clark at the University of Washington, Seattle where she made significant contribution to understanding how human dendritic cells activate B cells. This was followed by a Marie Curie Fellowship at the Immunology Research Department of Sanofi-Pasteur, Lyon. In 2005 she returned to Ireland to where she developed a translational immunology research programme in collaboration with Prof. Cliona O'Farrelly on liver dendritic cells and response to the Hepatitis C virus. From 2010-2018 she was Senior Scientist at the Centre for Colorectal Disease at St. Vincent's Hospital. Where she led a translational research programme in colorectal cancer and inflammatory bowel disease. Her current research benefits from her wide experience in vaccination, viral and bacterial infection and translational research to focus on understanding the role of human myeloid cells (macrophages/dendritic cells) play in controlling inflammation. She is particularly interested in how these important immune cells might be manipulated by the local tissue environment in diseases such as Inflammatory Bowel Disease and Colorectal Cancer.

Professional Activities

Education

  • 2023 University of Limerick - Post Graduate Diploma
  • 2000 Maynooth University - PhD
  • 1995 Dublin City University - BSc (Hons)

Association

  • Executive Committee, Irish Association for Cancer Research
  • Executive Committee, Irish Society for Immunology

Peer Reviewed Journals

2022

The Trypanosoma brucei-Derived Ketoacids, Indole Pyruvate and Hydroxyphenylpyruvate, Induce HO-1 Expression and Suppress Inflammatory Responses in Human Dendritic Cells

Hannah K. Fitzgerald;Sinead A. O’Rourke;Eva Desmond;Nuno G. B. Neto;Michael G. Monaghan;Miriam Tosetto;Jayne Doherty;Elizabeth J. Ryan;Glen A. Doherty;Derek P. Nolan;Jean M. Fletcher;Aisling Dunne; (2022) The Trypanosoma brucei-Derived Ketoacids, Indole Pyruvate and Hydroxyphenylpyruvate, Induce HO-1 Expression and Suppress Inflammatory Responses in Human Dendritic Cells. Antioxidants

2022

Reduced Serological Response to COVID-19 Vaccines in Patients with IBD is Further Diminished by TNF Inhibitor Therapy; Early Results of the VARIATION study [VAriability in Response in IBD Against SARS-COV-2 ImmunisatiON

Doherty J.;Morain N.O.;Stack R.;Girod P.;Tosetto M.;Inzitiari R.;Sheridan J.;Cullen G.;McDermott E.;Buckley M.;Horgan G.;Mulcahy H.;Ryan E.J.;Daghfal D.;Doran P.;Morain C.O.;Doherty G.A. (2022) Reduced Serological Response to COVID-19 Vaccines in Patients with IBD is Further Diminished by TNF Inhibitor Therapy; Early Results of the VARIATION study [VAriability in Response in IBD Against SARS-COV-2 ImmunisatiON. Journal Of Crohns &Amp; Colitis :1354-1362

2021

Evolutionary Comparisons of Chelonid Alphaherpesvirus 5 (ChHV5) Genomes from Fibropapillomatosis-Afflicted Green (Chelonia mydas), Olive Ridley (Lepidochelys olivacea) and Kemp's Ridley (Lepidochelys kempii) Sea Turtles

Whitmore, L;Yetsko, K;Farrell, JA;Page-Karjian, A;Daniel, W;Shaver, DJ;Frandsen, HR;Walker, JS;Crowder, W;Bovery, C;Ramia, DR;Burkhalter, B;Ryan, E;Duffy, DJ (2021) Evolutionary Comparisons of Chelonid Alphaherpesvirus 5 (ChHV5) Genomes from Fibropapillomatosis-Afflicted Green (Chelonia mydas), Olive Ridley (Lepidochelys olivacea) and Kemp's Ridley (Lepidochelys kempii) Sea Turtles. BASEL : MDPI Animals

2021

Seroprevalence study of SARS-CoV-2 infection in General Practice in Ireland.

O'Callaghan ME;Ryan E;Walsh C;Hayes P;Casey M;O'Dwyer P;Culhane A;Duncan JW;Harrold P;Healy J;Kerin E;Kelly E;Hanrahan C;Lane GP;Lynch B;Meaney P;O'Connell B;Galvin J;Kennedy N;Burke P;O'Connell NH;Dunne CP;Glynn LG; (2021) Seroprevalence study of SARS-CoV-2 infection in General Practice in Ireland.. Bjgp Open

2020

Histological phenotypic subtypes predict recurrence risk and response to adjuvant chemotherapy in patients with stage III colorectal cancer.

Roseweir AK;Park JH;Hoorn ST;Powell AG;Aherne S;Roxburgh CS;McMillan DC;Horgan PG;Ryan E;Sheahan K;Vermeulen L;Paul J;Harkin A;Graham J;Sansom O;Church DN;Tomlinson I;Saunders M;Iveson TJ;Edwards J; (2020) Histological phenotypic subtypes predict recurrence risk and response to adjuvant chemotherapy in patients with stage III colorectal cancer.. The Journal Of Pathology. Clinical Research

2016

Microsatellite instability is associated with reduced disease specific survival in stage III colon cancer.

Mohan HM;Ryan E;Balasubramanian I;Kennelly R;Geraghty R;Sclafani F;Fennelly D;McDermott R;Ryan EJ;O'Donoghue D;Hyland JM;Martin ST;O'Connell PR;Gibbons D;Winter D;Sheahan K; (2016) Microsatellite instability is associated with reduced disease specific survival in stage III colon cancer.. European Journal Of Surgical Oncology : The Journal Of The European Society Of Surgical Oncology And The British Association Of Surgical Oncology

2016

Enrichment of Inflammatory IL-17 and TNF-α Secreting CD4(+) T Cells within Colorectal Tumors despite the Presence of Elevated CD39(+) T Regulatory Cells and Increased Expression of the Immune Checkpoint Molecule, PD-1.

Dunne MR;Ryan C;Nolan B;Tosetto M;Geraghty R;Winter DC;O'Connell PR;Hyland JM;Doherty GA;Sheahan K;Ryan EJ;Fletcher JM; (2016) Enrichment of Inflammatory IL-17 and TNF-α Secreting CD4(+) T Cells within Colorectal Tumors despite the Presence of Elevated CD39(+) T Regulatory Cells and Increased Expression of the Immune Checkpoint Molecule, PD-1.. Frontiers In Oncology

2012

Inhibition of dendritic cell maturation by the tumor microenvironment correlates with the survival of colorectal cancer patients following bevacizumab treatment.

Michielsen AJ;Noonan S;Martin P;Tosetto M;Marry J;Biniecka M;Maguire AA;Hyland JM;Sheahan KD;O'Donoghue DP;Mulcahy HE;Fennelly D;Ryan EJ;O'Sullivan JN; (2012) Inhibition of dendritic cell maturation by the tumor microenvironment correlates with the survival of colorectal cancer patients following bevacizumab treatment.. Molecular cancer therapeutics

1999

Mutants of Escherichia coli heat-labile toxin act as effective mucosal adjuvants for nasal delivery of an acellular pertussis vaccine: Differential effects of the nontoxic AB complex and enzyme activity on Th1 and Th2 cells

Ryan, E.J.;Mcneela, E.;Murphy, G.A.;Stewart, H.;O'Hagan, D.;Pizza, M.;Rappuoli, R.;Mills, K.H.G.; (1999) Mutants of Escherichia coli heat-labile toxin act as effective mucosal adjuvants for nasal delivery of an acellular pertussis vaccine: Differential effects of the nontoxic AB complex and enzyme activity on Th1 and Th2 cells. Infection And Immunity

1999

Mutants of Escherichia coli heat-labile toxin act as effective mucosal adjuvants for nasal delivery of an acellular pertussis vaccine: differential effects of the nontoxic AB complex and enzyme activity on Th1 and Th2 cells.

Ryan EJ;McNeela E;Murphy GA;Stewart H;O'hagan D;Pizza M;Rappuoli R;Mills KH; (1999) Mutants of Escherichia coli heat-labile toxin act as effective mucosal adjuvants for nasal delivery of an acellular pertussis vaccine: differential effects of the nontoxic AB complex and enzyme activity on Th1 and Th2 cells.. Infection And Immunity

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