Enteric neuronal autoantibodies in pseudoobstruction with small-cell lung carcinoma

Vanda A Lennon, Daryl F. Sas, Michael F. Busk, Bernd Scheithauer, Juan R. Malagelada, Michael Camilleri, Laurence J Miller

Research output: Contribution to journalArticle

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Abstract

Severe gastrointestinal dysmotility is a newly recognized paraneoplastic syndrome that occurs with small-cell lung carcinoma. Thirty-four patients with small-cell carcinoma, of whom 5 had chronic intestinal pseudoobstruction and 29 had no digestive symptoms, were studied serologically. Four of the 5 patients with gut dysmotility had immunoglobulin G antibodies reactive with neurons of the myenteric and submucosal plexuses of jejunum and stomach in an indirect immunofluorescence assay. Antibodies of this type were not found in any of the 29 patients who had no gut dysmotility, nor were they found in patients with chronic idiopathic intestinal pseudoobstruction (n = 8), ovarian cancer (n = 20), or epilepsy (n = 4) or in normal subjects (n = 9). In 4 of the patients with paraneoplastic pseudoobstruction, antibodies in highly diluted serum (1:4000-1:8000) bound selectively to nuclei and cytoplasm of neuronal elements in the gut. This novel autoantibody activity suggests that intestinal pseudoobstruction occurring in patients with small-cell carcinoma may have an autoimmune basis. From a clinical standpoint, serological testing offers a simple means for determining which patients with gut dysmotility syndromes may have associated small-cell carcinoma, thereby enabling earlier diagnosis and treatment of the tumor.

Original languageEnglish (US)
Pages (from-to)137-142
Number of pages6
JournalGastroenterology
Volume100
Issue number1
StatePublished - Jan 1991

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Small Cell Lung Carcinoma
Autoantibodies
Small Cell Carcinoma
Intestinal Pseudo-Obstruction
Antibodies
Submucous Plexus
Paraneoplastic Syndromes
Myenteric Plexus
Jejunum
Indirect Fluorescent Antibody Technique
Ovarian Neoplasms
Early Diagnosis
Epilepsy
Stomach
Cytoplasm
Immunoglobulin G
Neurons
Serum
Neoplasms

ASJC Scopus subject areas

  • Gastroenterology

Cite this

Enteric neuronal autoantibodies in pseudoobstruction with small-cell lung carcinoma. / Lennon, Vanda A; Sas, Daryl F.; Busk, Michael F.; Scheithauer, Bernd; Malagelada, Juan R.; Camilleri, Michael; Miller, Laurence J.

In: Gastroenterology, Vol. 100, No. 1, 01.1991, p. 137-142.

Research output: Contribution to journalArticle

Lennon, VA, Sas, DF, Busk, MF, Scheithauer, B, Malagelada, JR, Camilleri, M & Miller, LJ 1991, 'Enteric neuronal autoantibodies in pseudoobstruction with small-cell lung carcinoma', Gastroenterology, vol. 100, no. 1, pp. 137-142.
Lennon VA, Sas DF, Busk MF, Scheithauer B, Malagelada JR, Camilleri M et al. Enteric neuronal autoantibodies in pseudoobstruction with small-cell lung carcinoma. Gastroenterology. 1991 Jan;100(1):137-142.
Lennon, Vanda A ; Sas, Daryl F. ; Busk, Michael F. ; Scheithauer, Bernd ; Malagelada, Juan R. ; Camilleri, Michael ; Miller, Laurence J. / Enteric neuronal autoantibodies in pseudoobstruction with small-cell lung carcinoma. In: Gastroenterology. 1991 ; Vol. 100, No. 1. pp. 137-142.
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