Issue 9, 2024

Telomerase: a nexus between cancer nanotherapy and circadian rhythm

Abstract

Cancer represents a complex disease category defined by the unregulated proliferation and dissemination of anomalous cells within the human body. According to the GLOBOCAN 2020 report, the year 2020 witnessed the diagnosis of approximately 19.3 million new cases of cancer and 10.0 million individuals succumbed to the disease. A typical cell eventually becomes cancerous because of a long-term buildup of genetic instability and replicative immortality. Telomerase is a crucial regulator of cancer progression as it induces replicative immortality. In cancer cells, telomerase inhibits apoptosis by elongating the length of the telomeric region, which usually protects the genome from shortening. Many nanoparticles are documented as being available for detecting the presence of telomerase, and many were used as delivery systems to transport drugs. Furthermore, telomere homeostasis is regulated by the circadian time-keeping machinery, leading to 24-hour rhythms in telomerase activity and TERT mRNA expression in mammals. This review provides a comprehensive discussion of various kinds of nanoparticles used in telomerase detection, inhibition, and multiple drug-related pathways, as well as enlightens an imperative association between circadian rhythm and telomerase activity from the perspective of nanoparticle-based anticancer therapeutics.

Graphical abstract: Telomerase: a nexus between cancer nanotherapy and circadian rhythm

Article information

Article type
Minireview
Submitted
05 jan 2024
Accepted
27 mar 2024
First published
27 mar 2024

Biomater. Sci., 2024,12, 2259-2281

Telomerase: a nexus between cancer nanotherapy and circadian rhythm

P. K. Ghosh, M. J. Rao, C. L. Putta, S. Ray and A. K. Rengan, Biomater. Sci., 2024, 12, 2259 DOI: 10.1039/D4BM00024B

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