PMID: 6112084Dec 1, 1980Paper

Somatostatin secretion by lung and thymic tumours

Clinical Endocrinology
E PenmanL H Rees

Abstract

Ectopic secretion of somatostatin in one patient with a thymic tumour and in two patients with lung tumours is described. All three patients also had ectopic ACTH secretion. Gel filtration chromatography under dissociating conditions showed the two lung tumour extracts to contain predominantly 1600 MW somatostatin monomer while the thymic tumour contained predominantly a 3000-3500 MW form of somatostatin, 77% of which was not converted to 1600 MW somatostatin by dithiothreitol (an agent which reduces disulphide bridges). This form may therefore represent a covalently-bound precursor of somatostatin rather than a dimer of two somatostatin monomers. Plasma from all three tumour patients and from normal subjects contained both 1600 and 3000--3500 MW somatostatin. It is suggested that somatostatin secretion may frequently be associated with multiple hormone producing tumours.

References

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Citations

Dec 22, 1983·The New England Journal of Medicine·S Reichlin
Jan 1, 1983·Acta Pathologica Japonica·H KanekoH Nitta
Oct 1, 1990·Journal of Clinical Pathology·L LauriolaA Capelli
Feb 26, 2011·Endocrinology and Metabolism Clinics of North America·Aaron I Vinik, Michael Raymund C Gonzales
Nov 1, 1989·Baillière's Clinical Endocrinology and Metabolism·A Aynsley-Green
Nov 1, 1983·Clinics in Endocrinology and Metabolism·J A Wass
Jul 29, 2010·Pancreas·Aaron I VinikUNKNOWN North American Neuroendocrine Tumor Society (NANETS)
Feb 1, 1984·Cancer·Z D GoodmanD M Lundblad
Sep 1, 1992·Ultrastructural Pathology·G ChejfecV E Gould
Mar 1, 1983·Hepatology : Official Journal of the American Association for the Study of Liver Diseases·S WebbJ Rodés
Mar 1, 1996·Clinical and Diagnostic Laboratory Immunology·L MercureM A Wainberg
Dec 1, 1993·Lung Cancer : Journal of the International Association for the Study of Lung Cancer·K J O'Byrne, D N Carney

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