Cited by 183Estrogen and related hormone effectsBreast Cancer Treatment StudiesCancer, Lipids, and Metabolism

Sex steroid-producing enzymes in human breast cancer

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Suzuki, Takashi, Miki, Yasuhiro, Nakamura, Yasuhiro, Moriya, Takuya, Ito, Kiyoshi, Ohuchi, Noriaki, Sasano, Hironobu·2005·Endocrine Related Cancer

Abstract

It is well known that sex steroids are involved in the growth of breast cancers, and the great majority of breast carcinomas express estrogen (ER), progesterone (PR), and androgen (AR) receptors. In particular, recent studies have demonstrated that estrogens and androgens are locally produced in breast carcinoma tissues, and total blockade of in situ estrogen production potentially leads to an improvement in prognosis of breast cancer patients. Therefore, it is important to obtain a better understanding of sex steroid-producing enzymes in breast carcinoma tissues. In this review, we summarize recent studies on the expression and regulation of enzymes related to intratumoral production of estrogens (aromatase, 17beta-hydroxysteroid dehydrogenase type 1 (17betaHSD1), and steroid sulfatase (STS) etc) and androgens (17betaHSD5 and 5alpha-reductase) in human breast carcinoma tissues, and discuss the biological and/or clinical significance of these enzymes. The cellular localization of aromatase in breast carcinoma tissues still remains controversial. Therefore, we examined localization of aromatase mRNA in breast carcinoma tissues by laser capture microdissection/real time-polymerase chain reaction. Aromatase mRNA expression was detected in both carcinoma and intratumoral stromal cells, and the expression level of aromatase mRNA was higher in intratumoral stromal cells than in carcinoma cells in the cases examined. We also examined an association among the immunoreactivity of enzymes related to intratumoral estrogen production and ERs in breast carcinoma tissues, but no significant association was detected. Therefore, the enzymes responsible for the intratumoral production of estrogen may not always be the same among breast cancer patients, and not only aromatase but also other enzymes such as STS and 17betaHSD1 may have important therapeutic potential as targets for endocrine therapy in breast cancer patients.

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  • Breast cancer tissue has STS, 3βHSD, reductive 17βHSD, 5α-reductase, aromatase, 3αHSD, UGT, and SULT activities.

    “Breast cancer tissue has STS, 3βHSD, reductive 17βHSD, 5α-reductase and aromatase activities (Labrie et al., 2003, McNamara and Sasano, 2015b, Suzuki et al., 2005) as well as 3αHSD, UGT, and SULT activity (McNamara et al., 2013).”

    From Intracrine androgen biosynthesis, metabolism and action revisited (2018) · cites this paper as Suzuki et al., 2005

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Research works printed but not linked: 5

  1. Poutanen M, Isomaa V, Lehto VP & Vihko R 1992a Immunohistochemical analysis of 17b-hydroxysteroid dehydrogenase in benign and malignant human breast tissue. International Journal of Cancer 50 386-390.
  2. Sakamoto H, Utsumi T, Honda S, Yoshimura N, Sasaki E & Harada N 2002 The intraclinological estrogen metabolism in breast cancer cell lines. Program of the 6th International Aromatase Conference, Kyoto, Japan, p 113 (Abstract P 6-2).
  3. Suzuki T, Sasano H, Andersson S & Mason JI 2000b 3Beta-hydroxysteroid dehydrogenase/delta5->4- isomerase activity associated with the human 17beta-hydroxysteroid dehydrogenase type 2 isoform. Journal of Clinical Endocrinology and Metabolism 85 3669-3672.
  4. Suzuki T, Darnel AD, Akahira JI, Ariga N, Ogawa S, Kaneko C, Takeyama J, Moriya T & Sasano H 2001a 5Alpha-reductases in human breast carcinoma: possible modulator of in situ androgenic actions. Journal of Clinical Endocrinology and Metabolism 86 2250-2257.
  5. Wu L, Einstein M, Geissler WM, Chan HK, Ellison KO & Andersson S 1993 Expression cloning and characterization of human 17b-hydroxysteroid dehydrogenase type 2, a microsomal enzyme possessing 20a-hydroxysteroid dehydrogenase activity. Journal of Biological Chemistry 168 12964-12969.

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Authors
Suzuki, T., Miki, Y., Nakamura, Y., Moriya, T., Ito, K., Ohuchi, N., & Sasano, H.
Affiliations
  • Tohoku University (JP)
  • Departments of Pathology,
  • 1Obstetrics and Gynecology and
Venue
Endocrine Related Cancer
Published
2005-12-01
Volume
12
Issue
4
Pages
701-720
ISSN
  • 1351-0088 (ISSN-L)
  • 1479-6821
OpenAlex
W2115789575
Cited by
182
References
153
Citations by year
2026: 3 · 2025: 3 · 2024: 2 · 2023: 2 · 2022: 5 · 2021: 2 · 2020: 3 · 2019: 6 · 2018: 4 · 2017: 11 · 2016: 4 · 2015: 7 · 2014: 12 · 2013: 14 · 2012: 9
FWCI
1.62
Type
journal article
Language
en
Open access
Locations
  • Endocrine Related Cancer (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Estrogen and related hormone effects
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › Breast Cancer Treatment Studies
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › Cancer, Lipids, and Metabolism
Keywords
breast cancer, aromatase, 17β-hydroxysteroid dehydrogenase type 1, steroid sulfatase, 5α-reductase, estrogen receptor, androgen receptor
MeSH terms
Breast Neoplasms, Enzyme Inhibitors, Female, Humans, Oxidoreductases, Gonadal Steroid Hormones, Sulfotransferases

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