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- Title
GJA4/Connexin 37 Mutations Correlate with Secondary Lymphedema Following Surgery in Breast Cancer Patients.
- Authors
Hadizadeh, Mahrooyeh; Mohaddes Ardebili, Seiied Mojtaba; Salehi, Mansoor; Young, Chris; Mokarian, Fariborz; McClellan, James; Xu, Qin; Kazemi, Mohammad; Moazam, Elham; Mahaki, Behzad; Ashrafian Bonab, Maziar
- Abstract
Lymphedema is a condition resulting from mutations in various genes essential for lymphatic development and function, which leads to obstruction of the lymphatic system. Secondary lymphedema is a progressive and incurable condition, most often manifesting after surgery for breast cancer. Although its causation appears complex, various lines of evidence indicate that genetic predisposition may play a role. Previous studies show that mutations in connexin 47 are associated with secondary lymphedema. We have tested the hypothesis that connexin 37 gene mutations in humans are associated with secondary lymphedema following breast cancer surgery. A total of 2211 breast cancer patients were screened and tested for reference single nucleotide polymorphisms (SNPs) of the GJA4 gene (gap junction protein alpha 4 gene). The results presented in this paper indicate that two SNPs in the 3' UTR (the three prime untranslated region) of the GJA4 gene are associated with an increased risk of secondary lymphedema in patients undergoing breast cancer treatment. Our results provide evidence of a novel genetic biomarker for assessing the predisposition to secondary lymphedema in human breast cancer patients. Testing for the condition-associated alleles described here could assist and inform treatment and post-operative care plans of breast cancer patients, with potentially positive outcomes for the management of disease progression.
- Subjects
BREAST cancer surgery; BREAST cancer patients; CONNEXINS; GENETIC mutation; DISEASE susceptibility
- Publication
Biomedicines, 2018, Vol 6, Issue 1, p23
- ISSN
2227-9059
- Publication type
Article
- DOI
10.3390/biomedicines6010023