Functional characterization and genomic studies of a novel murine submandibular gland epithelial cell line

Sangwon Min, Eun-Ah Christine Song, Akinsola Oyelakin, Christian Gluck, Kirsten Smalley and Rose-Anne Romano

PLOS ONE, 2018, vol. 13, issue 2, 1-18

Abstract: A better understanding of the normal and diseased biology of salivary glands (SG) has been hampered, in part, due to difficulties in cultivating and maintaining salivary epithelial cells. Towards this end, we have generated a mouse salivary gland epithelial cell (mSGc) culture system that is well-suited for the molecular characterization of SG cells and their differentiation program. We demonstrate that mSGc can be maintained for multiple passages without a loss of proliferation potential, readily form 3D-spheroids and importantly express a panel of well-established salivary gland epithelial cell markers. Moreover, mSGc 3D-spheroids also exhibit functional maturation as evident by robust agonist-induced intracellular calcium signaling. Finally, transcriptomic characterization of mSGc by RNA-seq and hierarchical clustering analysis with adult organ RNA-seq datasets reveal that mSGc retain most of the molecular attributes of adult mouse salivary gland. This well-characterized mouse salivary gland cell line will fill a critical void in the field by offering a valuable resource to examine various mechanistic aspects of mouse salivary gland biology.

Date: 2018
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0192775

DOI: 10.1371/journal.pone.0192775

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