Increased expression of calcium-binding protein S100 in human uterine smooth muscle tumours

Takanobu Kanamori, Kenji Takakura, Masaki Mandai, Masatoshi Kariya, Ken Fukuhara, Masakiyo Sakaguchi, Nam Ho Huh, Kaoru Saito, Toshiharu Sakurai, Jun Fujita, Shingo Fujii

Research output: Contribution to journalArticle

34 Citations (Scopus)

Abstract

S100 proteins belong to the EF-hand Ca2+-binding protein family and regulate a variety of cellular processes via interaction with different target proteins. Several diseases, including cancer and melanoma, are related to the abnormal expression of S100 proteins, which are expressed in cell- and tissue-specific manners. We investigated the expression of S100 family members in human uterine smooth muscle tumours. Expression of six members of the S100 protein family: S100A1, A4, A6, A7, A10 and A11, was found in human uterine leiomyoma and myometrium tissue, but expression of other members was not detected by RT-PCR. Real-time PCR showed that S100A11 expression was significantly increased in leiomyoma compared with myometrium. Suppression of S100A11 by small interfering RNA (siRNA) led to apoptosis, and the overexpression of S100A11 inhibited apoptosis in human uterine smooth muscle tumour cells. These findings suggest that S100A11 has an anti-apoptotic function and is related to the process of growth of human uterine leiomyoma.

Original languageEnglish
Pages (from-to)735-742
Number of pages8
JournalMolecular Human Reproduction
Volume10
Issue number10
DOIs
Publication statusPublished - Oct 2004

Fingerprint

Smooth Muscle Tumor
Calcium-Binding Proteins
Myometrium
S100 Proteins
Leiomyoma
Apoptosis
EF Hand Motifs
antineoplaston A10
Small Interfering RNA
Smooth Muscle Myocytes
Real-Time Polymerase Chain Reaction
Melanoma
Carrier Proteins
Polymerase Chain Reaction
Growth
Neoplasms
Proteins

ASJC Scopus subject areas

  • Obstetrics and Gynaecology
  • Genetics
  • Developmental Biology
  • Embryology
  • Cell Biology

Cite this

Increased expression of calcium-binding protein S100 in human uterine smooth muscle tumours. / Kanamori, Takanobu; Takakura, Kenji; Mandai, Masaki; Kariya, Masatoshi; Fukuhara, Ken; Sakaguchi, Masakiyo; Huh, Nam Ho; Saito, Kaoru; Sakurai, Toshiharu; Fujita, Jun; Fujii, Shingo.

In: Molecular Human Reproduction, Vol. 10, No. 10, 10.2004, p. 735-742.

Research output: Contribution to journalArticle

Kanamori, T, Takakura, K, Mandai, M, Kariya, M, Fukuhara, K, Sakaguchi, M, Huh, NH, Saito, K, Sakurai, T, Fujita, J & Fujii, S 2004, 'Increased expression of calcium-binding protein S100 in human uterine smooth muscle tumours', Molecular Human Reproduction, vol. 10, no. 10, pp. 735-742. https://doi.org/10.1093/molehr/gah100
Kanamori, Takanobu ; Takakura, Kenji ; Mandai, Masaki ; Kariya, Masatoshi ; Fukuhara, Ken ; Sakaguchi, Masakiyo ; Huh, Nam Ho ; Saito, Kaoru ; Sakurai, Toshiharu ; Fujita, Jun ; Fujii, Shingo. / Increased expression of calcium-binding protein S100 in human uterine smooth muscle tumours. In: Molecular Human Reproduction. 2004 ; Vol. 10, No. 10. pp. 735-742.
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