Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Somatic-to-primordial Germ Cell-Like Transformation is Critical in Tumour Initiation of Mouse Breast Tumour 4T1 Cells

Version 1 : Received: 2 November 2022 / Approved: 4 November 2022 / Online: 4 November 2022 (01:04:58 CET)

How to cite: Ma, Z.; Zhang, F.; Liu, A.; Lin, H.; Liu, C. Somatic-to-primordial Germ Cell-Like Transformation is Critical in Tumour Initiation of Mouse Breast Tumour 4T1 Cells. Preprints 2022, 2022110080. https://doi.org/10.20944/preprints202211.0080.v1 Ma, Z.; Zhang, F.; Liu, A.; Lin, H.; Liu, C. Somatic-to-primordial Germ Cell-Like Transformation is Critical in Tumour Initiation of Mouse Breast Tumour 4T1 Cells. Preprints 2022, 2022110080. https://doi.org/10.20944/preprints202211.0080.v1

Abstract

It has been proposed that tumourigenicity was an intrinsic feature of embryonic/germ cell developmental axis as well as embryonic/germ cell-related genes play a crucial role in tumourigenicity. Our previous studies indicated that primordial germ cell (PGC)-like potential could be reactivated in tumourigenesis. In this study, 4T1, 168FARN and 67NR cells which originated from the same mouse breast cancer were studied and the results indicated that the acquisition of embryonic/germ cell-like state is essential for tumourigenicity. We further demonstrated that somatic to PGC-like transformation (SPLT) was activated in 4T1 cells and that inhibition of PGC-like cell formation by depleting pluripotency and/or PGC specification-related genes markedly repressed SPLT and the tumourigenicity. Collectively, our findings reveal that tumourigenicity is linked to the acquisition of PGC-like state through SPLT in 4T1 cells, provide new insight into deeper understanding the biological nature of tumours and novel therapeutical strategies for cancer targeting.

Keywords

Tumor initiation; Germ cell traits of tumors; Primordial germ cell-like tumor cells; Somatic to Pri-mordial germ cell-like transformation; Embryonic/germ cell hypothesis of tumor; Breast cancer

Subject

Medicine and Pharmacology, Oncology and Oncogenics

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