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| Hlavní autor: | |
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| Médium: | Recurso digital |
| Jazyk: | |
| Vydáno: |
Zenodo
2025
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| On-line přístup: | https://doi.org/10.5281/zenodo.14599101 |
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- <p>Up to 50% of patients with HER2+ subtype breast cancer develop metastasis to the central nervous system, most commonly the brain, demanding rapid therapeutic approaches to limit spread of the HER2+ primary tumor to distant sites (1-3). We recently described the existence of a group of genes that reside proximal to ERBB2 (the gene that encodes the human epidermal growth factor HER2) at 17q12: their differential expression in HER2+ breast cancer, their up-regulation in HER2+ breast cancer, their differential expression and up-regulation in central nervous system (CNS) metastasis and, based on human survival studies, their function in supporting metastasis to the CNS, indicating that the predilection of HER2+ patients to develop CNS metastasis was a phenomena attributable to the disease and not HER2+-targeted therapies (4). Disease recurrence following disease remission (relapse), resistance to trastuzumab or otherwise inadequate long-term control of disease are challenges that limit effectiveness of existing HER2+-targeted therapies. We utilized whole transcriptome technologies (5, 6) to measure total transcription in the primary tumors of humans with HER2+ breast cancer. We describe here one member of a group of phosphatases up-regulated and differentially expressed in human HER2+ breast cancer, PTPN13, as a catalytically available phosphatase and candidate therapeutic target for the prevention and management of CNS metastasis in HER2+ breast cancer. </p>