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HSP-molecular chaperones in cancer biogenesis and tumor therapy: an overview

Francesca Rappa1, Felicia Farina, Giovanni Zummo

  • 1Department of Experimental Medicine and Clinical Neuroscience, University of Palermo, Palermo, Italy. Via del Vespro 129, 90127, Palermo, Italy. francesco.cappello@unipa.it

Anticancer Research
|December 11, 2012
PubMed

Insights

Molecular chaperones, or heat-shock proteins (HSPs), can cause diseases called chaperonopathies. Targeting these HSPs offers new anticancer therapies, known as chaperonotherapy.

Area of Science:

  • Molecular Biology
  • Cellular Biology
  • Oncology

Background:

  • Molecular chaperones, including heat-shock proteins (HSPs), perform critical cellular functions.
  • Chaperonopathies are diseases arising from chaperone dysfunction, categorized by defect, excess, or 'mistake'.
  • Some chaperones, even when structurally normal, can contribute to disease pathways, including cancer, through post-translational modifications or involvement in disease-promoting pathways.

Purpose of the Study:

  • To introduce the concept of chaperonopathies, particularly 'chaperonopathies by mistake'.
  • To highlight the role of HSP-chaperones in carcinogenesis.
  • To propose chaperonotherapy as a novel therapeutic strategy for cancer and other diseases.

Main Methods:

  • Review of existing literature on molecular chaperones, HSPs, and chaperonopathies.
  • Analysis of the role of HSP-chaperones in cancer development.
  • Conceptualization of chaperonotherapy strategies.

Main Results:

  • Chaperones can be etiological or pathogenic factors in diseases, termed chaperonopathies.
  • Certain cancers can be classified as 'chaperonopathies by mistake' due to HSP-chaperone involvement.
  • HSP-chaperones represent viable targets for novel therapeutic interventions.

Conclusions:

  • The understanding of chaperonopathies provides a framework for developing targeted therapies.
  • Chaperonotherapy, utilizing HSP-chaperones, offers promising avenues for cancer treatment.
  • Both negative (blocking detrimental chaperones) and positive (enhancing beneficial chaperone functions) chaperonotherapy strategies warrant further investigation.

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