Expression of podoplanin, CD44, and p63 in squamous cell carcinoma of the lung

Yoshihisa Shimada, Genichiro Ishii, Kanji Nagai, Naho Atsumi, Satoshi Fujii, Atsushi Yamada, Yuki Yamane, Tomoyuki Hishida, Mitsuyo Nishimura, Junji Yoshida, Norihiko Ikeda, Atsushi Ochiai

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Abstract

Recent molecular biological studies have identified podoplanin as a candidate cancer stem cell (CSC) marker in squamous cell carcinoma (SqCC). The purpose of this study was to examine the expression pattern of podoplanin, and the other stem cell markers CD44 and p63, and their relationship to clinico-pathological features including survival in pulmonary SqCC. We examined histologically the expression of podoplanin, CD44, and p63 in 162 consecutive SqCC by immunostaining. Podoplanin expression was observed in 107 (66%) tumors, CD44 in 145 (89.5%), and p63 in 151 (93.2%), respectively. In 95.3% of the podoplanin-positive tumors, tumor cells showing strong expression were localized in the periphery of the tumor nests. However, this peripheral localization was observed in only 55.9% of the CD44-positive and 43% of p63-positive tumors. In 88.8% of the podoplanin-positive tumors, positive cells were localized more peripherally in the tumor nests than CD44- or p63-positive cells and when CD44 and p63 expressions were compared in these podoplanin-positive tumors, p63-positive layers in the periphery of the tumor nests were broader compared to CD44-positive layers. These findings suggest tumor cells are aligned in the " hierarchical distribution pattern" according to the expression of these three markers. Patients who had podoplanin-positive tumors with the " hierarchical pattern" resulted in significantly better overall survival than those who had podoplanin-negative tumors (P = 0.043). These results suggest that podoplanin expression would reflect the most immature status in the differentiation process of SqCC, and SqCC with hierarchical expression would be a well-organized tumor group with lower biological aggressiveness based on the CSC concept. (Cancer Sci 2009).

Original languageEnglish
Pages (from-to)2054-2059
Number of pages6
JournalCancer Science
Volume100
Issue number11
DOIs
Publication statusPublished - 2009 Nov
Externally publishedYes

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Squamous Cell Carcinoma
Lung
Neoplasms
Neoplastic Stem Cells
Survival
Stem Cells

ASJC Scopus subject areas

  • Cancer Research
  • Oncology

Cite this

Shimada, Y., Ishii, G., Nagai, K., Atsumi, N., Fujii, S., Yamada, A., ... Ochiai, A. (2009). Expression of podoplanin, CD44, and p63 in squamous cell carcinoma of the lung. Cancer Science, 100(11), 2054-2059. https://doi.org/10.1111/j.1349-7006.2009.01295.x

Expression of podoplanin, CD44, and p63 in squamous cell carcinoma of the lung. / Shimada, Yoshihisa; Ishii, Genichiro; Nagai, Kanji; Atsumi, Naho; Fujii, Satoshi; Yamada, Atsushi; Yamane, Yuki; Hishida, Tomoyuki; Nishimura, Mitsuyo; Yoshida, Junji; Ikeda, Norihiko; Ochiai, Atsushi.

In: Cancer Science, Vol. 100, No. 11, 11.2009, p. 2054-2059.

Research output: Contribution to journalArticle

Shimada, Y, Ishii, G, Nagai, K, Atsumi, N, Fujii, S, Yamada, A, Yamane, Y, Hishida, T, Nishimura, M, Yoshida, J, Ikeda, N & Ochiai, A 2009, 'Expression of podoplanin, CD44, and p63 in squamous cell carcinoma of the lung', Cancer Science, vol. 100, no. 11, pp. 2054-2059. https://doi.org/10.1111/j.1349-7006.2009.01295.x
Shimada Y, Ishii G, Nagai K, Atsumi N, Fujii S, Yamada A et al. Expression of podoplanin, CD44, and p63 in squamous cell carcinoma of the lung. Cancer Science. 2009 Nov;100(11):2054-2059. https://doi.org/10.1111/j.1349-7006.2009.01295.x
Shimada, Yoshihisa ; Ishii, Genichiro ; Nagai, Kanji ; Atsumi, Naho ; Fujii, Satoshi ; Yamada, Atsushi ; Yamane, Yuki ; Hishida, Tomoyuki ; Nishimura, Mitsuyo ; Yoshida, Junji ; Ikeda, Norihiko ; Ochiai, Atsushi. / Expression of podoplanin, CD44, and p63 in squamous cell carcinoma of the lung. In: Cancer Science. 2009 ; Vol. 100, No. 11. pp. 2054-2059.
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