Determination of high mobility group I(Y) expression level in colorectal neoplasias: A potential diagnostic marker

Nobutsugu Abe, Takashi Watanabe, Masanori Sugiyama, Hidemasa Uchimura, Gennaro Chiappetta, Alfredo Fusco, Yutaka Atomi

Research output: Contribution to journalArticle

Abstract

High mobility group I(Y) [HMGI(Y)] proteins are architectural factors abundantly expressed during embryogenesis, and their overexpression is known to be closely associated with neoplastic transformation of cells. This study was performed to investigate whether determination of HMGI(Y) expression level could assist in (a) differential diagnosis between colorectal carcinoma, adenoma, and normal tissue and (b) determination of the prognosis of patients with colorectal cancer. To this end, HMGI(Y) expression was determined at both the protein and mRNA levels in 30 colorectal carcinomas, 26 adenomas, and 23 normal mucosa samples, and further correlations between the protein expression levels and various clinicopathological parameters, such as depth of tumor invasion, lymphatic and/or venous involvement, regional lymph node metastasis, and Dukes' stage, were determined in 30 carcinoma cases. The expression of HMGI(Y) proteins was significantly increased in carcinoma and adenoma with severe atypia compared with that in adenoma with less atypia and normal colorectal mucosa. This increase in HMGI(Y) protein expression was found to be because of an increase in its mRNA expression by RNA in situ hybridization analysis. Clinicopathological analysis revealed that the level of HMGI(Y) protein expression was significantly correlated with parameters known to be indicative of a poor prognosis in colorectal cancer patients. These findings indicate that the determination of the HMGI(Y) protein expression level could be a potential marker for the diagnosis of colorectal neoplasias and can be of great value in predicting the prognosis of patients with colorectal cancer.

Original languageEnglish
Pages (from-to)1169-1174
Number of pages6
JournalCancer Research
Volume59
Issue number6
Publication statusPublished - Mar 15 1999

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HMGA1a Protein
Colorectal Neoplasms
Adenoma
Neoplasms
Mucous Membrane
Neoplastic Cell Transformation
Carcinoma
Messenger RNA
Embryonic Development
In Situ Hybridization
Proteins
Differential Diagnosis
Lymph Nodes
RNA
Neoplasm Metastasis

ASJC Scopus subject areas

  • Cancer Research
  • Oncology

Cite this

Abe, N., Watanabe, T., Sugiyama, M., Uchimura, H., Chiappetta, G., Fusco, A., & Atomi, Y. (1999). Determination of high mobility group I(Y) expression level in colorectal neoplasias: A potential diagnostic marker. Cancer Research, 59(6), 1169-1174.

Determination of high mobility group I(Y) expression level in colorectal neoplasias : A potential diagnostic marker. / Abe, Nobutsugu; Watanabe, Takashi; Sugiyama, Masanori; Uchimura, Hidemasa; Chiappetta, Gennaro; Fusco, Alfredo; Atomi, Yutaka.

In: Cancer Research, Vol. 59, No. 6, 15.03.1999, p. 1169-1174.

Research output: Contribution to journalArticle

Abe, N, Watanabe, T, Sugiyama, M, Uchimura, H, Chiappetta, G, Fusco, A & Atomi, Y 1999, 'Determination of high mobility group I(Y) expression level in colorectal neoplasias: A potential diagnostic marker', Cancer Research, vol. 59, no. 6, pp. 1169-1174.
Abe N, Watanabe T, Sugiyama M, Uchimura H, Chiappetta G, Fusco A et al. Determination of high mobility group I(Y) expression level in colorectal neoplasias: A potential diagnostic marker. Cancer Research. 1999 Mar 15;59(6):1169-1174.
Abe, Nobutsugu ; Watanabe, Takashi ; Sugiyama, Masanori ; Uchimura, Hidemasa ; Chiappetta, Gennaro ; Fusco, Alfredo ; Atomi, Yutaka. / Determination of high mobility group I(Y) expression level in colorectal neoplasias : A potential diagnostic marker. In: Cancer Research. 1999 ; Vol. 59, No. 6. pp. 1169-1174.
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