Contribution of Estrone Sulfate to Cell Proliferation in Aromatase Inhibitor (AI) -Resistant, Hormone Receptor-Positive Breast Cancer

• Toru Higuchi ,

  Contributed equally to this work with: Toru Higuchi, Megumi Endo

  Affiliations Department of Molecular and Functional Dynamics, Graduate School of Medicine, Tohoku University, Sendai, Miyagi, Japan, Department of Visceral and Thoracic Organ Surgery, Graduated School of Medicine, Gunma University, Maebashi, Gunma, Japan

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• Megumi Endo ,

  Contributed equally to this work with: Toru Higuchi, Megumi Endo

  Affiliation Department of Molecular and Functional Dynamics, Graduate School of Medicine, Tohoku University, Sendai, Miyagi, Japan

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• Toru Hanamura ,

  ¶‡ These authors also contributed equally to this work.

  Affiliations Department of Molecular and Functional Dynamics, Graduate School of Medicine, Tohoku University, Sendai, Miyagi, Japan, Division of Breast and Endocrine Surgery, Department of Surgery, Shinshu University School of Medicine, Matsumoto, Nagano, Japan

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• Tatsuyuki Gohno ,

  ¶‡ These authors also contributed equally to this work.

  Affiliation Department of Molecular and Functional Dynamics, Graduate School of Medicine, Tohoku University, Sendai, Miyagi, Japan

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• Toshifumi Niwa,

  Affiliation Department of Molecular and Functional Dynamics, Graduate School of Medicine, Tohoku University, Sendai, Miyagi, Japan

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• Yuri Yamaguchi,

  Affiliation Research Institute for Clinical Oncology, Saitama Cancer Center, Ina, Saitama, Japan

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• Jun Horiguchi,

  Affiliation Department of Visceral and Thoracic Organ Surgery, Graduated School of Medicine, Gunma University, Maebashi, Gunma, Japan

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• Shin-ichi Hayashi

  * E-mail: shin@med.tohoku.ac.jp

  Affiliations Department of Molecular and Functional Dynamics, Graduate School of Medicine, Tohoku University, Sendai, Miyagi, Japan, Center for Regulatory Epi genome and Diseases, Graduate School of Medicine, Tohoku University, Sendai, Niyagi, Japan

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