Patchy field defects of apoptosis resistance and dedifferentiation in flat mucosa of colon resections from colon cancer patients

Harris Bernstein, Hana Holubec, James A Warneke, Harinder Garewal, David L. Earnest, Claire M. Payne, Denise Roe, Haiyan Cui, Elaine L. Jacobson, Carol Bernstein

Research output: Contribution to journalArticle

34 Citations (Scopus)

Abstract

Background: Abnormal areas in normal-appearing flat colonic mucosa (field defects) may predispose individuals to colon cancer. Markers of field defects would indicate cancer risk. Methods: We evaluated apoptosis capability, dedifferentiation, frequency of simple aberrant crypts, aberrant crypt foci, microadenomas, and total nicotinamide adenine dinucleotide levels at locations within normal-appearing flat mucosa obtained from colon resections. Results: Among goblet cells from colonic mucosa samples of individuals without colonic neoplasia, there was a high mean deoxycholate-induced apoptotic index (AI) of 59.1% and high Dolichos biflorus agglutinin (DBA) lectin reactivity (differentiation) in 85.0% of samples. In contrast, flat mucosa samples from colon cancer patients had a significantly (P < .01) lower average AI of 37.4%, and a significantly (P = .03) lower percentage (40.5%) had high DBA reactivity. For colon cancer patients, AI and DBA reactivity values were patchy within a resection. Nicotinamide adenine dinucleotide levels were highly variable among individuals without neoplasia, and aberrant crypt foci and microadenomas were rare. Conclusions: AI and aberrant DBA reactivity are promising indicators of colon cancer risk. Our results attest to the importance of obtaining multiple samples to assess colon cancer risk because of the patchy nature of field defects.

Original languageEnglish (US)
Pages (from-to)505-517
Number of pages13
JournalAnnals of Surgical Oncology
Volume9
Issue number5
DOIs
StatePublished - 2002

Fingerprint

Colonic Neoplasms
Colon
Mucous Membrane
Apoptosis
Aberrant Crypt Foci
NAD
Neoplasms
Deoxycholic Acid
Goblet Cells
dolichos biflorus agglutinin

Keywords

  • Apoptosis resistance
  • Colon cancer
  • Differentiation
  • Dolichos biflorus agglutinin
  • Field defects

ASJC Scopus subject areas

  • Surgery
  • Oncology

Cite this

Patchy field defects of apoptosis resistance and dedifferentiation in flat mucosa of colon resections from colon cancer patients. / Bernstein, Harris; Holubec, Hana; Warneke, James A; Garewal, Harinder; Earnest, David L.; Payne, Claire M.; Roe, Denise; Cui, Haiyan; Jacobson, Elaine L.; Bernstein, Carol.

In: Annals of Surgical Oncology, Vol. 9, No. 5, 2002, p. 505-517.

Research output: Contribution to journalArticle

Bernstein, Harris ; Holubec, Hana ; Warneke, James A ; Garewal, Harinder ; Earnest, David L. ; Payne, Claire M. ; Roe, Denise ; Cui, Haiyan ; Jacobson, Elaine L. ; Bernstein, Carol. / Patchy field defects of apoptosis resistance and dedifferentiation in flat mucosa of colon resections from colon cancer patients. In: Annals of Surgical Oncology. 2002 ; Vol. 9, No. 5. pp. 505-517.
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AU - Earnest, David L.

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