Maryam Althobiti
Heterogeneity of Tumour Infiltrating Lymphocytes (TILs) in breast cancer and its prognostic significance
Althobiti, Maryam; Aleskandarany, Mohammed A.; Joseph, Chitra; Toss, Michael; Mongan, Nigel; Diez-Rodriguez, Maria; Nolan, Christopher C.; Ashankyty, Ibraheem; Ellis, Ian O.; Green, Andrew R.; Rakha, Emad A.
Authors
Mohammed A. Aleskandarany
Dr CHITRA JOSEPH CHITRA.JOSEPH@NOTTINGHAM.AC.UK
Research Fellow
Michael Toss
NIGEL MONGAN nigel.mongan@nottingham.ac.uk
Professor of Oncology
Maria Diez-Rodriguez
Christopher C. Nolan
Ibraheem Ashankyty
Professor IAN ELLIS IAN.ELLIS@NOTTINGHAM.AC.UK
Professor of Cancer Pathology
ANDREW GREEN ANDREW.GREEN@NOTTINGHAM.AC.UK
Associate Professor
EMAD RAKHA Emad.Rakha@nottingham.ac.uk
Professor of Breast Cancer Pathology
Abstract
Background: Tumour-infiltrating lymphocytes (TILs) in breast cancer (BC) confer prognostic and predictive information. This study aims to assess the spatial and temporal heterogeneity of TILs in BC and its relationship with immune cell subtypes.
Method: Immunohistochemically-defined immune cell subtypes; T-cell markers (CD3, CD8, and FOXP3), B-cell marker (CD20) and histiocytic marker (CD68) were evaluated in a large series (n=1,165) of invasive BC. A subset of full-face haematoxylin and eosin (H&E) stained slides were examined for TILs heterogeneity within primary tumours and the corresponding local recurrent carcinomas to report on spatial and temporal TILs heterogeneity. H&E stained sections from multiple tumour blocks (3-4 blocks per case) representing different tumour areas were evaluated to assess TILS inter-slide heterogeneity as well as intra-slide heterogeneity.
Both average (AV-TILs) and hotspot (HS-TILs) stromal TILs were assessed.
Results: AV-TILs showed association with all immune cell subtypes however; the main component were CD3+ cells (mean number = 55) whereas CD20+cells comprised the least component (the mean number = 13). There was no significant statistical difference between TILs across tumour blocks of the same case (p=0.251 for AV-TILs and p=0.162 for HS-TILs). Triple negative breast cancer (TNBC) showed higher TILs compared with other BC subtypes
(p
Citation
Althobiti, M., Aleskandarany, M. A., Joseph, C., Toss, M., Mongan, N., Diez-Rodriguez, M., …Rakha, E. A. (2018). Heterogeneity of Tumour Infiltrating Lymphocytes (TILs) in breast cancer and its prognostic significance. Histopathology, 73(6), 887-896. https://doi.org/10.1111/his.13695
Journal Article Type | Article |
---|---|
Acceptance Date | Jun 25, 2018 |
Online Publication Date | Jun 27, 2018 |
Publication Date | Dec 1, 2018 |
Deposit Date | Jun 28, 2018 |
Publicly Available Date | Jun 28, 2019 |
Journal | Histopathology |
Print ISSN | 0309-0167 |
Electronic ISSN | 0309-0167 |
Publisher | Wiley |
Peer Reviewed | Peer Reviewed |
Volume | 73 |
Issue | 6 |
Pages | 887-896 |
DOI | https://doi.org/10.1111/his.13695 |
Keywords | breast cancer, TILs, outcome, heterogeneity |
Public URL | https://nottingham-repository.worktribe.com/output/941886 |
Publisher URL | https://onlinelibrary.wiley.com/doi/abs/10.1111/his.13695 |
Additional Information | This is the peer reviewed version of the following article: Heterogeneity of Tumour Infiltrating Lymphocytes (TILs) in Breast Cancer and its prognostic significance, Maryam Althobiti, Mohammed A Aleskandarany, Chitra Joseph, Michael Toss, Nigel Mongan, Maria Diez‐Rodriguez, Christopher C Nolan, Ibraheem Ashankyty, Ian O Ellis, Andrew R Green, Emad A Rakha, Histopathology, which has been published in final form at doi:10.1111/his.13695. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions. |
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