Smoke-induced microRNA and related proteome alterations. Modulation by chemopreventive agents

Silvio De Flora, Roumen Balansky, Francesco D'Agostini, Cristina Cartiglia, Mariagrazia Longobardi, Vernon E. Steele, Alberto Izzotti

Research output: Contribution to journalArticle

40 Citations (Scopus)

Abstract

Dysregulation of microRNAs (miRNAs) has important consequences on gene and protein expression since a single miRNA targets a number of genes simultaneously. This article provides a review of published data and ongoing studies regarding the effects of cigarette smoke (CS), either mainstream (MCS) or environmental (ECS), on the expression of miRNAs and related proteins. The results generated in mice, rats, and humans provided evidence that exposure to CS results in an intense dysregulation of miRNA expression in the respiratory tract, which is mainly oriented in the sense of downregulation. In parallel, there was an upregulation of proteins targeted by the downregulated miRNAs. These trends reflect an attempt to defend the respiratory tract by means of antioxidant mechanisms, detoxification of carcinogens, DNA repair, anti-inflammatory pathways, apoptosis, etc. However, a long-lasting exposure to CS causes irreversible miRNA alterations that activate carcinogenic mechanisms, such as modulation of oncogenes and oncosuppressor genes, cell proliferation, recruitment of undifferentiated stem cells, inflammation, inhibition of intercellular communications, angiogenesis, invasion, and metastasis. The miRNA alterations induced by CS in the lung of mice and rats are similar to those observed in the human respiratory tract. Since a number of miRNAs that are modulated by CS and/or chemopreventive agents are subjected to single nucleotide polymorphisms in humans, they can be evaluated according to toxicogenomic/pharmacogenomics approaches. A variety of cancer chemopreventive agents tested in our laboratory modulated both baseline and CS-related miRNA and proteome alterations, thus contributing to evaluate both safety and efficacy of dietary and pharmacological agents. What's new? Evidence suggests that immune cells can contribute to the outcome of chemotherapy. Conversely, some anti-tumor drugs affect the activity of immune cells such as dendritic cells (DCs), which play a crucial role in the immune response against tumors. In this study, the authors found that doxorubicin and vinblastine impair the immune-stimulating activity of a subclass of human DCs, while methotrexate, mitomycin C, and paclitaxel had no effect. These results may have implications for the design of treatment modalities for tumor patients that combine immunotherapeutic strategies and chemotherapy.

Original languageEnglish
Pages (from-to)2763-2773
Number of pages11
JournalInternational Journal of Cancer
Volume131
Issue number12
DOIs
Publication statusPublished - Dec 15 2012

Fingerprint

Proteome
MicroRNAs
Smoke
Tobacco Products
Respiratory System
Dendritic Cells
Neoplasms
Down-Regulation
Toxicogenetics
Drug Therapy
Proteins
Vinblastine
Pharmacogenetics
Mitomycin
Paclitaxel
Oncogenes
Methotrexate
DNA Repair
Carcinogens
Doxorubicin

Keywords

  • chemopreventive agents
  • cigarette smoke
  • microRNAs
  • proteome

ASJC Scopus subject areas

  • Cancer Research
  • Oncology

Cite this

De Flora, S., Balansky, R., D'Agostini, F., Cartiglia, C., Longobardi, M., Steele, V. E., & Izzotti, A. (2012). Smoke-induced microRNA and related proteome alterations. Modulation by chemopreventive agents. International Journal of Cancer, 131(12), 2763-2773. https://doi.org/10.1002/ijc.27814

Smoke-induced microRNA and related proteome alterations. Modulation by chemopreventive agents. / De Flora, Silvio; Balansky, Roumen; D'Agostini, Francesco; Cartiglia, Cristina; Longobardi, Mariagrazia; Steele, Vernon E.; Izzotti, Alberto.

In: International Journal of Cancer, Vol. 131, No. 12, 15.12.2012, p. 2763-2773.

Research output: Contribution to journalArticle

De Flora, S, Balansky, R, D'Agostini, F, Cartiglia, C, Longobardi, M, Steele, VE & Izzotti, A 2012, 'Smoke-induced microRNA and related proteome alterations. Modulation by chemopreventive agents', International Journal of Cancer, vol. 131, no. 12, pp. 2763-2773. https://doi.org/10.1002/ijc.27814
De Flora S, Balansky R, D'Agostini F, Cartiglia C, Longobardi M, Steele VE et al. Smoke-induced microRNA and related proteome alterations. Modulation by chemopreventive agents. International Journal of Cancer. 2012 Dec 15;131(12):2763-2773. https://doi.org/10.1002/ijc.27814
De Flora, Silvio ; Balansky, Roumen ; D'Agostini, Francesco ; Cartiglia, Cristina ; Longobardi, Mariagrazia ; Steele, Vernon E. ; Izzotti, Alberto. / Smoke-induced microRNA and related proteome alterations. Modulation by chemopreventive agents. In: International Journal of Cancer. 2012 ; Vol. 131, No. 12. pp. 2763-2773.
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