All major lung cancer cell types produce parathyroid hormone-like protein: Heterogeneity assessed by high performance liquid chromatography

David W. Brandt, Douglas W. Burton, Adi F. Gazdar, Herbert E. Oie, Leonard J. Deftos

Research output: Contribution to journalArticle

62 Citations (Scopus)

Abstract

We examined the production of parathyroid hormone-like protein (PLP) by all major lung cancer cell types, including epidermoid, small cell, and adenocarcinoma. We demonstrated that cell lines derived from each cell type released PLP into culture medium. To determine the predominant species of PLP produced by the cell lines, guanidine hydrochloride extracts were prepared and analyzed for PLP by high performance size exclusion chromatography under denaturing conditions. Cell lines from each of the major lung tumors produced multiple and different forms of PLP. The estimated molecular sizes of the PLP species ranged from 3.5-11.7 kilodaltons. Our results demonstrate that PLP is produced by all major lung cancer cell types and extend these observations to adenocarcinoma and large cell carcinomas of the lung. Furthermore, we observed PLP heterogeneity among these different cell types, which may represent tissue-specific PLP processing among different human lung tumors.

Original languageEnglish (US)
Pages (from-to)2466-2470
Number of pages5
JournalEndocrinology
Volume129
Issue number5
StatePublished - Nov 1991

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Parathyroid Hormone-Related Protein
Lung Neoplasms
High Pressure Liquid Chromatography
Cell Line
Lung
Adenocarcinoma
Large Cell Carcinoma
Guanidine
Gel Chromatography
Culture Media
Neoplasms

ASJC Scopus subject areas

  • Endocrinology
  • Endocrinology, Diabetes and Metabolism

Cite this

Brandt, D. W., Burton, D. W., Gazdar, A. F., Oie, H. E., & Deftos, L. J. (1991). All major lung cancer cell types produce parathyroid hormone-like protein: Heterogeneity assessed by high performance liquid chromatography. Endocrinology, 129(5), 2466-2470.

All major lung cancer cell types produce parathyroid hormone-like protein : Heterogeneity assessed by high performance liquid chromatography. / Brandt, David W.; Burton, Douglas W.; Gazdar, Adi F.; Oie, Herbert E.; Deftos, Leonard J.

In: Endocrinology, Vol. 129, No. 5, 11.1991, p. 2466-2470.

Research output: Contribution to journalArticle

Brandt, David W. ; Burton, Douglas W. ; Gazdar, Adi F. ; Oie, Herbert E. ; Deftos, Leonard J. / All major lung cancer cell types produce parathyroid hormone-like protein : Heterogeneity assessed by high performance liquid chromatography. In: Endocrinology. 1991 ; Vol. 129, No. 5. pp. 2466-2470.
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