ASCL1 and NEUROD1 Reveal Heterogeneity in Pulmonary Neuroendocrine Tumors and Regulate Distinct Genetic Programs

Mark D. Borromeo, Trisha K. Savage, Rahul K. Kollipara, Min He, Alexander Augustyn, Jihan K. Osborne, Luc Girard, John D. Minna, Adi F. Gazdar, Melanie H. Cobb, Jane E. Johnson

Research output: Contribution to journalArticle

67 Citations (Scopus)

Abstract

Small cell lung carcinoma (SCLC) is a high-grade pulmonary neuroendocrine tumor. The transcription factors ASCL1 and NEUROD1 play crucial roles in promoting malignant behavior and survival of human SCLC cell lines. Here, we find that ASCL1 and NEUROD1 identify heterogeneity in SCLC, bind distinct genomic loci, and regulate mostly distinct genes. ASCL1, but not NEUROD1, is present in mouse pulmonary neuroendocrine cells, and only ASCL1 is required in vivo for tumor formation in mouse models of SCLC. ASCL1 targets oncogenic genes including MYCL1, RET, SOX2, and NFIB while NEUROD1 targets MYC. ASCL1 and NEUROD1 regulate different genes that commonly contribute to neuronal function. ASCL1 also regulates multiple genes in the NOTCH pathway including DLL3. Together, ASCL1 and NEUROD1 distinguish heterogeneity in SCLC with distinct genomic landscapes and distinct gene expression programs.

Original languageEnglish (US)
Pages (from-to)1259-1272
Number of pages14
JournalCell Reports
Volume16
Issue number5
DOIs
StatePublished - Aug 2 2016

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Neuroendocrine Tumors
Small Cell Lung Carcinoma
Tumors
Genes
Lung
Cells
Neuroendocrine Cells
Gene expression
Transcription Factors
Gene Expression
Cell Line
Survival
Neoplasms

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)

Cite this

ASCL1 and NEUROD1 Reveal Heterogeneity in Pulmonary Neuroendocrine Tumors and Regulate Distinct Genetic Programs. / Borromeo, Mark D.; Savage, Trisha K.; Kollipara, Rahul K.; He, Min; Augustyn, Alexander; Osborne, Jihan K.; Girard, Luc; Minna, John D.; Gazdar, Adi F.; Cobb, Melanie H.; Johnson, Jane E.

In: Cell Reports, Vol. 16, No. 5, 02.08.2016, p. 1259-1272.

Research output: Contribution to journalArticle

Borromeo, Mark D. ; Savage, Trisha K. ; Kollipara, Rahul K. ; He, Min ; Augustyn, Alexander ; Osborne, Jihan K. ; Girard, Luc ; Minna, John D. ; Gazdar, Adi F. ; Cobb, Melanie H. ; Johnson, Jane E. / ASCL1 and NEUROD1 Reveal Heterogeneity in Pulmonary Neuroendocrine Tumors and Regulate Distinct Genetic Programs. In: Cell Reports. 2016 ; Vol. 16, No. 5. pp. 1259-1272.
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