Anti-tumor effects of PIM/PI3K/mTOR triple kinase inhibitor IBL-302 in neuroblastoma

Fecha de publicación: Fecha Ahead of Print:

Autores de IIS La Fe

Participantes ajenos a IIS La Fe

  • Mohlin, S
  • Hansson, K
  • Radke, K
  • Martinez, S
  • Blanco-Apiricio, C
  • Welinder, C
  • Esfandyari, J
  • O'Neill, M
  • Pastor, J
  • von Stedingk, K
  • Bexell, D

Grupos

Abstract

The PI3K pathway is a major driver of cancer progression. However, clinical resistance to PI3K inhibition is common. IBL-302 is a novel highly specific triple PIM, PI3K, and mTOR inhibitor. Screening IBL-302 in over 700 cell lines representing 47 tumor types identified neuroblastoma as a strong candidate for PIM/PI3K/mTOR inhibition. IBL-302 was more effective than single PI3K inhibition in vitro, and IBL-302 treatment of neuroblastoma patient-derived xenograft (PDX) cells induced apoptosis, differentiated tumor cells, and decreased N-Myc protein levels. IBL-302 further enhanced the effect of the common cytotoxic chemotherapies cisplatin, doxorubicin, and etoposide. Global genome, proteome, and phospho-proteome analyses identified crucial biological processes, including cell motility and apoptosis, targeted by IBL-302 treatment. While IBL-302 treatment alone reduced tumor growth in vivo, combination therapy with low-dose cisplatin inhibited neuroblastoma PDX growth. Complementing conventional chemotherapy treatment with PIM/PI3K/mTOR inhibition has the potential to improve clinical outcomes and reduce severe late effects in children with high-risk neuroblastoma.

Datos de la publicación

ISSN/ISSNe:
1757-4676, 1757-4684

EMBO MOLECULAR MEDICINE  John Wiley & Sons Ltd.

Tipo:
Article
Páginas:
-
Factor de Impacto:
4,816 SCImago
Cuartil:
Q1 SCImago

Citas Recibidas en Web of Science: 6

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Keywords

  • cisplatin; IBL-302; multikinase inhibition; neuroblastoma; PI3K

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