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Published in: Breast Cancer Research and Treatment 3/2019

01-04-2019 | Breast Cancer | Preclinical Study

Expression of Lamin A/C in early-stage breast cancer and its prognostic value

Authors: I. M. Alhudiri, C. C. Nolan, I. O. Ellis, A. Elzagheid, E. A. Rakha, Andrew R. Green, C. J. Chapman

Published in: Breast Cancer Research and Treatment | Issue 3/2019

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Abstract

Purpose

Lamins A/C, a major component of the nuclear lamina, play key roles in maintaining nuclear integrity, regulation of gene expression, cell proliferation and apoptosis. Reduced lamin A/C expression in cancer has been reported to be a sign of poor prognosis. However, its clinical significance in breast cancer remains to be defined. This study aimed to evaluate expression and prognostic significance of lamin A/C in early-stage breast cancer.

Methods

Using immunohistochemical staining of tissue microarrays, expression of lamin A/C was evaluated in a large well-characterised series of early-stage operable breast cancer (n = 938) obtained from Nottingham Primary Breast Carcinoma Series. Association of lamin A/C expression with clinicopathological parameters and outcome was evaluated.

Results

Positive expression rate of lamin A/C in breast cancer was 42.2% (n = 398). Reduced/loss of expression of lamin A/C was significantly associated with high histological grade (p < 0.001), larger tumour size (p = 0.004), poor Nottingham Prognostic Index score (p < 0.001), lymphovascular invasion (p = 0.014) and development of distant metastasis (p = 0.027). Survival analysis showed that reduced/loss of expression of lamin A/C was significantly associated with shorter breast cancer-specific survival (p = 0.008).

Conclusion

This study suggests lamin A/C plays a role in breast cancer and loss of its expression is associated with variables of poor prognosis and shorter outcome.
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Metadata
Title
Expression of Lamin A/C in early-stage breast cancer and its prognostic value
Authors
I. M. Alhudiri
C. C. Nolan
I. O. Ellis
A. Elzagheid
E. A. Rakha
Andrew R. Green
C. J. Chapman
Publication date
01-04-2019
Publisher
Springer US
Published in
Breast Cancer Research and Treatment / Issue 3/2019
Print ISSN: 0167-6806
Electronic ISSN: 1573-7217
DOI
https://doi.org/10.1007/s10549-018-05092-w

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