Association of novel MUC16, MAP3K15 and ABCA1 mutation with giant congenital melanocytic nevus
Open Access
- 9 September 2022
- journal article
- research article
- Published by Springer Science and Business Media LLC in Hereditas
- Vol. 159 (1), 1-7
- https://doi.org/10.1186/s41065-022-00247-8
Abstract
Giant congenital melanocytic nevus (GCMN) is the benign nevomelanocytic proliferation. Mutations in NRAS have been previously detected in GCMN, but mutations in BRAF are generally lacking in the Chinese population. Mutated genes in this disease can estimate the risk of malignant transformation in GCMN. Therefore, it is worth investigating the genetic information of GCMN. Here, we presented two cases of GCMN of the upper extremities. The clinical and histological data were analyzed. The whole exome sequencing (WES) was performed to investigate the mutational profile of peripheral venous blood (PB), normal skin (NS), small melanocytic nevus (SMN), deep penetrating and non-penetrating GCMN (dPGCMN and nPGCMN). We showed a reduction in the circumference of involved upper extremities in both patients. The clinical and histopathological data indicated the reduction of adipose tissue associated with the invasion of GCMN. The WES data revealed that MUC16, MAP3K15 and ABCA1 were novel potential candidate genes for the disease as well as biomarkers for predicting malignant transformation. The MUC16, MAP3K15 and ABCA1 may serve as novel biomarkers for predicting malignant transformation and targets for the diagnoses and therapy for the GCMN.Keywords
Funding Information
- National Natural Science Foundation of China (82002037, 81971839)
- Shanghai Municipal Key Clinical Specialty (shslczdzk00901)
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