Calcitonin secretion by continuous cultures of small cell carcinoma of the lung: Incidence and immunoheterogeneity studies

Kenneth L. Becker, Adi F. Gazdar, Desmond N. Carney, Richard H. Snider, Charles F. Moore, Omega L. Silva

Research output: Contribution to journalArticle

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Abstract

A study was made of immunoreactive calcitonin (iCT) secretion by continuous cultures of small cell carcinoma of the lung (SCCL). Using an antiserum region specific for the midportion of the molecule, 9 12 cultures were found to secrete iCT. Gel filtration studies were performed on both supernatant fluid (SF) and cell pellet (CP) extract from a culture secreting high levels of iCT. Multiple iCT fractions were found in the SF with the major fraction being of high molecular weight (MW). In contrast, the CP had apparently monomeric CT as its principal iCT fraction. These studies demonstrate frequent iCT secretion by SCCL cultures and significant disparities between the iCT moieties found extra- and intracellularly.

Original languageEnglish (US)
Pages (from-to)179-185
Number of pages7
JournalCancer Letters
Volume18
Issue number2
DOIs
StatePublished - 1983

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Small Cell Lung Carcinoma
Calcitonin
Cohort Studies
Cell Extracts
Gel Chromatography
Immune Sera
Molecular Weight

ASJC Scopus subject areas

  • Cancer Research
  • Molecular Biology
  • Oncology

Cite this

Calcitonin secretion by continuous cultures of small cell carcinoma of the lung : Incidence and immunoheterogeneity studies. / Becker, Kenneth L.; Gazdar, Adi F.; Carney, Desmond N.; Snider, Richard H.; Moore, Charles F.; Silva, Omega L.

In: Cancer Letters, Vol. 18, No. 2, 1983, p. 179-185.

Research output: Contribution to journalArticle

Becker, Kenneth L. ; Gazdar, Adi F. ; Carney, Desmond N. ; Snider, Richard H. ; Moore, Charles F. ; Silva, Omega L. / Calcitonin secretion by continuous cultures of small cell carcinoma of the lung : Incidence and immunoheterogeneity studies. In: Cancer Letters. 1983 ; Vol. 18, No. 2. pp. 179-185.
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