BMTP-11 is active in preclinical models of human osteosarcoma and a candidate targeted drug for clinical translation

Valerae O. Lewis, Eswaran Devarajan, Marina Cardó-Vila, Dafydd G. Thomas, Eugenie S. Kleinerman, Serena Marchiò, Richard L. Sidman, Renata Pasqualini, Wadih Arap

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

Osteosarcoma occurs predominantly in children and young adults. High-grade tumors require multidisciplinary treatment consisting of chemotherapy in the neoadjuvant and adjuvant settings, along with surgical intervention. Despite this approach, death from respiratory failure secondary to the development and progression of pulmonary metastases remains a significant problem. Here, we identify the IL-11 receptor α subunit (IL-11Rα) as a cell surface marker of tumor progression that correlates with poor prognosis in patients with osteosarcoma. We also show that both IL-11Rα and its ligand, IL-11, are specifically up-regulated in human metastatic osteosarcoma cell lines; engagement of this autocrine loop leads to tumor cell proliferation, invasion, and anchorage-independent growth in vitro. Consistently, IL-11Rα promotes lung colonization by human metastatic osteosarcoma cells in vivo in an orthotopic mouse model. Finally, we evaluate the IL-11Rα–targeted proapoptotic agent bone metastasis-targeting peptidomimetic (BMTP-11) in preclinical models of primary intratibial osteosarcomas, observing marked inhibition of both tumor growth and lung metastases. This effect was enhanced when BMTP-11 was combined with the chemotherapeutic drug gemcitabine. Our combined data support the development of approaches targeting IL-11Rα, and establish BMTP-11 as a leading drug candidate for clinical translation in patients with high-risk osteosarcoma.

Original languageEnglish
Pages (from-to)8065-8070
Number of pages6
JournalProceedings of the National Academy of Sciences of the United States of America
Volume114
Issue number30
DOIs
Publication statusPublished - Jul 25 2017

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Interleukin-11 Receptors
Osteosarcoma
Pharmaceutical Preparations
gemcitabine
Lung
Interleukin-11
Neoplasm Metastasis
Neoplasms
Tumor Biomarkers
Growth
Respiratory Insufficiency
bone metastasis-targeting peptidomimetic-11
Young Adult
Cell Proliferation
Ligands
Drug Therapy
Cell Line

Keywords

  • BMTP-11
  • IL-11Rα
  • Mouse models
  • Osteosarcoma
  • Target therapy

ASJC Scopus subject areas

  • General

Cite this

BMTP-11 is active in preclinical models of human osteosarcoma and a candidate targeted drug for clinical translation. / Lewis, Valerae O.; Devarajan, Eswaran; Cardó-Vila, Marina; Thomas, Dafydd G.; Kleinerman, Eugenie S.; Marchiò, Serena; Sidman, Richard L.; Pasqualini, Renata; Arap, Wadih.

In: Proceedings of the National Academy of Sciences of the United States of America, Vol. 114, No. 30, 25.07.2017, p. 8065-8070.

Research output: Contribution to journalArticle

Lewis, Valerae O. ; Devarajan, Eswaran ; Cardó-Vila, Marina ; Thomas, Dafydd G. ; Kleinerman, Eugenie S. ; Marchiò, Serena ; Sidman, Richard L. ; Pasqualini, Renata ; Arap, Wadih. / BMTP-11 is active in preclinical models of human osteosarcoma and a candidate targeted drug for clinical translation. In: Proceedings of the National Academy of Sciences of the United States of America. 2017 ; Vol. 114, No. 30. pp. 8065-8070.
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