Cysteine cathepsins as a prospective target for anticancer therapies-current progress and prospects

Aneta Pogorzelska1, Beata Żołnowska1, Rafał Bartoszewski2

  • 1Department of Organic Chemistry, Medical University of Gdansk, Hallera 107, 80-416 Gdansk, Poland.

Biochimie
|June 6, 2018
PubMed

Insights

Cysteine cathepsins (CTS) are upregulated in cancer, impacting tumor growth and metastasis. Inhibiting CTS offers a promising therapeutic strategy for cancer treatment.

Area of Science:

  • Biochemistry
  • Molecular Biology
  • Oncology

Background:

  • Cysteine cathepsins (CTS) are crucial enzymes in physiological and pathological processes.
  • CTS are significantly upregulated in various cancer types, yet are under-explored as therapeutic targets compared to other proteases.
  • Aberrant secretion of CTS in tumor cells influences cancer growth, invasion, metastasis, angiogenesis, apoptosis, and immune responses.

Purpose of the Study:

  • To review the multifaceted role of cysteine cathepsins in cancer.
  • To explore the potential of CTS inhibition as a cancer therapy strategy.
  • To illustrate how CTS inhibitors impact neoplastic progression.

Main Methods:

  • Literature review focusing on cysteine cathepsins and cancer.
  • Analysis of studies on CTS involvement in tumor growth, invasion, and metastasis.
  • Examination of the role of natural CTS inhibitors (cystatins) in cancer.

Main Results:

  • Cysteine cathepsins play a significant role in tumor progression, including angiogenesis, apoptosis, and immune evasion.
  • Downregulation of endogenous CTS inhibitors like cystatins is observed in many cancers.
  • Inhibition of CTS presents a viable therapeutic avenue for managing neoplastic diseases.

Conclusions:

  • Cysteine cathepsins are key players in carcinogenesis and represent attractive targets for novel cancer therapies.
  • Targeting CTS, potentially through the use of specific inhibitors, could offer a new strategy to combat cancer progression.
  • Further research into CTS and their inhibitors is warranted to develop effective cancer treatments.

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