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15.10.2019 | Original Article – Clinical Oncology

Clinical significance of a pvrl 4 encoded gene Nectin-4 in metastasis and angiogenesis for tumor relapse

verfasst von: Chinmayee Sethy, Kunal Goutam, Deepika Nayak, Rajalaxmi Pradhan, Sefinew Molla, Subhajit Chatterjee, Niranjan Rout, Michael D. Wyatt, Satya Narayan, Chanakya Nath Kundu

Erschienen in: Journal of Cancer Research and Clinical Oncology

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Abstract

Purpose

In the present study, we have systematically examined the clinical significance of Nectin-4 (encoded by the PVRL-4 gene), a marker for breast cancer stem cells (CSCs), in cancer metastasis and angiogenesis using a variety of human specimens, including invasive duct carcinoma (IDC) with multiple grades, several types of primary tumors to local and distant relapses, lymph node metastases and circulating tumor cells (CTCs).

Methods

Nectin-4 was overexpressed in more than 92% of samples with 65.2% Nectin-4-positive cells. The level of expression was increased with increasing tumor grade (GI–III) and size (T1–4) of IDC specimens.

Results

More induction of Nectin-4 was noted in relapsed samples from a variety of tumors (colon, tongue, liver, kidney, ovary, buccal mucosa) in comparison to primary tumors, while paired adjacent normal tissues do not express any Nectin-4. A high expression of Nectin-4 along with other representative markers in CTCs and lymph node metastasis was also observed in cancer specimens. An increased level of Nectin-4 along with representative metastatic (CD-44, Sca1, ALDH1, Nanog) and angiogenic (Ang-I, Ang-II, VEGF) markers were noted in metastatic tumors (local and distant) in comparison to primary tumors that were correlated with different grades of tumor progression. In addition, greater expression of Nectin-4 was observed in secondary tumors (distant metastasis, e.g., breast to liver or stomach to gall bladder) in comparison to primary tumors.

Conclusion

Our study demonstrated a significant correlation between Nectin-4 expression and tumor grade as well as stages (p < 0.001), suggesting its association with tumor progression. Nectin-4 was overexpressed at all stages of metastasis and angiogenesis, thus appearing to play a major role in tumor relapse through the PI3K–Akt–NFκβ pathway.
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Metadaten
Titel
Clinical significance of a pvrl 4 encoded gene Nectin-4 in metastasis and angiogenesis for tumor relapse
verfasst von
Chinmayee Sethy
Kunal Goutam
Deepika Nayak
Rajalaxmi Pradhan
Sefinew Molla
Subhajit Chatterjee
Niranjan Rout
Michael D. Wyatt
Satya Narayan
Chanakya Nath Kundu
Publikationsdatum
15.10.2019
Verlag
Springer Berlin Heidelberg
Erschienen in
Journal of Cancer Research and Clinical Oncology
Print ISSN: 0171-5216
Elektronische ISSN: 1432-1335
DOI
https://doi.org/10.1007/s00432-019-03055-2

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