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Colonic Epithelial Impedance Analysis in a Murine Model of Large-Bowel Cancer
Richard J. Davies, MD;
Robert D. Juncosa;
David Kaplan;
Ciro Pempinello, MD;
Horacio Asbun, MD;
Yosef H. Pilch, MD
Arch Surg. 1986;121(11):1253-1258.
Abstract
• Death rates from large-bowel cancer have remained essentially unchanged over the past 40 years because the diagnosis is made late, after the tumor has spread to other sites. This study was undertaken to examine whether alterations in mucosal electrical capacitance precede the development of gross malignancy, since this parameter may reflect functional or structural changes in the colonocyte plasma membrane, which is of importance in the regulation of cell growth. Distal colonic mucosal capacitance was decreased at low frequencies after only four weeks of treatment with the carcinogen dimethylhydrazine in C1 mice. Alterations in electrical capacitance may be a useful marker in identifying patients with a propensity to develop large-bowel cancer.
(Arch Surg 1986;121:1253-1258)
Author Affiliations
From the Department of Surgery, University of California San Diego Medical Center (Drs Davies and Pilch and Mr Juncosa); and the Department of Surgery, Veteran's Administration Medical Center, La Jolla, Calif (Drs Davies, Pempinello, and Asbun and Mr Kaplan).
Footnotes
Accepted for publication Aug 8, 1986.
Read before the 39th Annual Meeting of the Society of Surgical Oncology, Washington, DC, May 11, 1986.
Reprint requests to Division of Surgical Oncology, H-891 B, University Hospital, 225 Dickinson St, San Diego, CA 92103 (Dr Davies).
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ABSTRACT
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