Immunohistochemical localization of cathepsins D and E in human gastric cancer: A possible correlation with local invasive and metastatic activities of carcinoma cells

Kou Matsuo, Ieyoshi Kobayashi, Takayuki Tsukuba, Tamotsu Kiyoshima, Yukiko Ishibashi, Akira Miyoshi, Kenji Yamamoto, Hidetaka Sakai

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Abstract

The immunohistochemical localization of cathepsins D and E in 44 cases of human gastric carcinoma, using antibodies specific for each enzyme, were investigated. Cathepsin D- and E-positive carcinoma cells were present in all samples. However, the staining intensity varied from cell to cell in the same carcinoma tissue as well as among samples. The most intense immunostaining of both cathepsins was often found in the cells, which were present at the advancing margin of the carcinoma tissues. The incidence of this peculiar localization of intensely stained carcinoma cells significantly correlated with the progression of the carcinoma tissue (D, P < .05; E, P < .01) and with the occurrence of the lymph node metastasis (D and E, P < .05). There was no statistical significance between this localization and the histological type (differentiation) of the carcinoma tissues. Cathepsin- positive inflammatory cells infiltrated in and around the carcinoma tissue, and intensely stained inflammatory cells were often located in the stroma at the border of the carcinoma tissue. However, no statistical correlation was noted between the localization of cathepsin-positive inflammatory cells at the border and the stage of progression or the incidence of metastasis. These results indicated that cathepsins D and E in the carcinoma cells located at the advancing margin play an important role in the invasion and subsequent metastasis of human gastric carcinoma. Meanwhile, cathepsin-positive inflammatory cells seem to be less responsible for the biological behavior of carcinoma cells than those in the carcinoma cells themselves.

Original languageEnglish
Pages (from-to)184-190
Number of pages7
JournalHuman Pathology
Volume27
Issue number2
DOIs
Publication statusPublished - Jan 1 1996

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Cathepsin E
Cathepsin D
Stomach Neoplasms
Carcinoma
Cathepsins
Neoplasm Metastasis
Stomach
Incidence

All Science Journal Classification (ASJC) codes

  • Pathology and Forensic Medicine

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Immunohistochemical localization of cathepsins D and E in human gastric cancer : A possible correlation with local invasive and metastatic activities of carcinoma cells. / Matsuo, Kou; Kobayashi, Ieyoshi; Tsukuba, Takayuki; Kiyoshima, Tamotsu; Ishibashi, Yukiko; Miyoshi, Akira; Yamamoto, Kenji; Sakai, Hidetaka.

In: Human Pathology, Vol. 27, No. 2, 01.01.1996, p. 184-190.

Research output: Contribution to journalArticle

Matsuo, Kou ; Kobayashi, Ieyoshi ; Tsukuba, Takayuki ; Kiyoshima, Tamotsu ; Ishibashi, Yukiko ; Miyoshi, Akira ; Yamamoto, Kenji ; Sakai, Hidetaka. / Immunohistochemical localization of cathepsins D and E in human gastric cancer : A possible correlation with local invasive and metastatic activities of carcinoma cells. In: Human Pathology. 1996 ; Vol. 27, No. 2. pp. 184-190.
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