What makes Y family Pols potential candidates for molecular targeted therapies and novel biotechnological applications

A. Tomasso, G. Casari, G. Maga

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Nature has evolved DNA polymerases (Pols) with different replication fidelity with the purpose of maintaining and faithfully propagating the genetic information. Besides the four classical Pols (Pol α, δ, ε, γ), mammalian cells contain at least twelve specialized Pols whose functions have been discovered recently and are still not completely elucidated. Among them, Pols belonging to the Y family contribute to cell survival by promoting DNA damage tolerance. They are primarily involved in the translesion synthesis (TLS) pathway, incorporating dNTPs in an error-free or error-prone manner, depending on the nature of the DNA lesion. From an evolutionary point of view, their high mutagenic potential seems to guarantee the proper flexibility of vital importance for both adaptation to a changeable environment and evolution of the species. These Pols are subjected to a complex network of regulation, since their uncontrolled access to DNA might promote mutagenesis and neoplastic transformation. Altered expression of Y family is a hallmark of several tumor types. In recent years, the unique structure and properties of Y family Pols have been exploited to design molecules that selectively interfere with the Pol of interest with minimal effect on normal cells. In addition, their distinctive properties have been applied to innovative techniques, such as compartmentalized self-replication (CSR), short-patch CSR, phage display and molecular breeding. These approaches are based on mutant Pols provided with novel and ameliorated features and find applications in various fields, from biotechnology to diagnostics, paleontology and forensic analysis.

Original languageEnglish
Pages (from-to)96-114
Number of pages19
JournalCurrent Molecular Medicine
Volume14
Issue number1
Publication statusPublished - 2014

Fingerprint

Molecular Targeted Therapy
Paleontology
DNA Shuffling
DNA
DNA-Directed DNA Polymerase
Biotechnology
Cells
Mutagenesis
Bacteriophages
DNA Damage
Cell Survival
Damage tolerance
Complex networks
Tumors
Display devices
Neoplasms
Molecules

Keywords

  • Cancer
  • DNA damage tolerance
  • Spermatogenesis
  • Translesion synthesis
  • Y family

ASJC Scopus subject areas

  • Biochemistry
  • Molecular Biology
  • Molecular Medicine

Cite this

What makes Y family Pols potential candidates for molecular targeted therapies and novel biotechnological applications. / Tomasso, A.; Casari, G.; Maga, G.

In: Current Molecular Medicine, Vol. 14, No. 1, 2014, p. 96-114.

Research output: Contribution to journalArticle

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