Gastrin-releasing peptide gene expression in small cell and large cell undifferentiated lung carcinomas

Mary E. Sunday, Noah Choi, Eliot Spindel, William W. Chin, Eugene J. Mark

Research output: Contribution to journalArticle

37 Citations (Scopus)

Abstract

Gastrin-releasing peptide (GRP; mammalian bombesin) is present in the neuroendocrine cells of human fetal lung and in small cell lung carcinomas (SCLCs), where it may act as a growth factor. Considering the potential importance of GRP as a tumor marker, we have conducted a retrospective immunohistochemical analysis of 176 lung tumors for markers of GRP gene expression, as well as several other markers of neuroendocrine cell differentiation: chromogranin A, neuron-specific enolase, and calcitonin. The majority of carcinoids contained mature GRP, in contrast to only a minority of SCLCs and large cell lung carcinomas (LCLCs). However, a majority of SCLCs and LCLCs contained proGRP immunoreactivity. In situ hybridization did not add any information beyond what was obtained using proGRP antisera. In spite of sharing these neuroendocrine cell markers, SCLCs are associated with a graver prognosis than LCLCs. No prognostic significance was associated with immunostaining for GRP or several other markers of neuroendocrine cell differentiation.

Original languageEnglish (US)
Pages (from-to)1030-1039
Number of pages10
JournalHuman Pathology
Volume22
Issue number10
DOIs
StatePublished - 1991
Externally publishedYes

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Gastrin-Releasing Peptide
Neuroendocrine Cells
Small Cell Lung Carcinoma
Large Cell Carcinoma
Carcinoma
Gene Expression
Lung
Tumor Biomarkers
Cell Differentiation
Chromogranin A
Bombesin
Phosphopyruvate Hydratase
Carcinoid Tumor
Calcitonin
In Situ Hybridization
Immune Sera
Intercellular Signaling Peptides and Proteins

Keywords

  • bombesin
  • immunohistochemistry
  • in situ hybridization
  • lung tumors
  • prognosis

ASJC Scopus subject areas

  • Pathology and Forensic Medicine

Cite this

Gastrin-releasing peptide gene expression in small cell and large cell undifferentiated lung carcinomas. / Sunday, Mary E.; Choi, Noah; Spindel, Eliot; Chin, William W.; Mark, Eugene J.

In: Human Pathology, Vol. 22, No. 10, 1991, p. 1030-1039.

Research output: Contribution to journalArticle

Sunday, Mary E. ; Choi, Noah ; Spindel, Eliot ; Chin, William W. ; Mark, Eugene J. / Gastrin-releasing peptide gene expression in small cell and large cell undifferentiated lung carcinomas. In: Human Pathology. 1991 ; Vol. 22, No. 10. pp. 1030-1039.
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