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RETRACTED: Maroni et al. The Autophagic Process Occurs in Human Bone Metastasis and Implicates Molecular Mechanisms

Paola Maroni1, Paola Bendinelli2, Massimo Resnati3

  • 1Istituto Ortopedico Galeazzi, Scientific Institute for Research, Hospitalization and Health Care (IRCCS), 20161 Milano, Italy.

International Journal of Molecular Sciences
|July 27, 2026
PubMed

Insights

This retraction notice concerns an article on the autophagic process in human bone metastasis. The study investigated molecular mechanisms and the role of Rab5a in different stages of the disease.

Area of Science:

  • Oncology
  • Cell Biology
  • Molecular Biology

Background:

  • Autophagy is a cellular degradation process implicated in various diseases, including cancer.
  • Bone metastasis is a significant complication of many cancers, impacting patient prognosis.
  • Rab5a, a small GTPase, plays a role in early endosome trafficking, which can influence cellular processes like autophagy.

Purpose of the Study:

  • To investigate the role of the autophagic process in human bone metastasis.
  • To identify molecular mechanisms involved in autophagy during bone metastasis.
  • To determine how Rab5a influences these mechanisms in early and late stages of bone metastasis.

Main Methods:

  • Analysis of human bone metastasis samples.
  • Investigation of autophagic markers and pathways.
  • Assessment of Rab5a expression and its functional impact on autophagy.

Main Results:

  • The study found evidence of the autophagic process occurring in human bone metastasis.
  • Specific molecular mechanisms were implicated in this process.
  • Rab5a was found to affect these mechanisms differently in the early and late stages of bone metastasis.

Conclusions:

  • The autophagic process is active in human bone metastasis.
  • Rab5a plays a stage-dependent role in modulating autophagy during bone metastasis.
  • Further research is warranted to explore therapeutic strategies targeting autophagy in bone metastasis.

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