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Involvement of cytochrome P450 enzymes in inflammation and cancer: a review
Maria Carolina Stipp1, Alexandra Acco2
1Department of Pharmacology, Federal University of Paraná, PO Box 19031, CuritibaCuritiba, PR, 81531-980, Brazil. mariacarolinastipp@hotmail.com.
Abstract:
Cytochrome P450 (CYP) enzymes are responsible for the biotransformation of drugs, xenobiotics, and endogenous substances. This enzymatic activity can be modulated by intrinsic and extrinsic factors, modifying the organism's response to medications. Among the factors that are responsible for enzyme inhibition or induction is the release of proinflammatory cytokines, such as interleukin-1 (IL-1), IL-6, tumor necrosis factor α (TNF-α), and interferon-γ (IFN-γ), from macrophages, lymphocytes, and neutrophils. These cells are also present in the tumor microenvironment, participating in the development of cancer, a disease that is characterized by cellular mutations that favor cell survival and proliferation. Mutations also occur in CYP enzymes, resulting in enzymatic polymorphisms and modulation of their activity. Therefore, the inhibition or induction of CYP enzymes by proinflammatory cytokines in the tumor microenvironment can promote carcinogenesis and affect chemotherapy, resulting in adverse effects, toxicity, or therapeutic failure. This review discusses the relevance of CYPs in hepatocarcinoma, breast cancer, lung cancer, and chemotherapy by reviewing in vitro, in vivo, and clinical studies. We also discuss the importance of elucidating the relationships between inflammation, CYPs, and cancer to predict drug interactions and therapeutic efficacy.
Insights
Proinflammatory cytokines can alter Cytochrome P450 (CYP) enzymes, impacting drug metabolism and cancer development. Understanding these interactions is crucial for predicting chemotherapy efficacy and drug interactions.
Area of Science:
- Biochemistry
- Pharmacology
- Oncology
Background:
- Cytochrome P450 (CYP) enzymes are critical for drug and xenobiotic metabolism.
- Proinflammatory cytokines (e.g., IL-1, IL-6, TNF-α, IFN-γ) can inhibit or induce CYP enzyme activity.
- These cytokines and altered CYP activity are implicated in cancer development and progression.
Purpose of the Study:
- To review the role of CYPs in major cancers like hepatocarcinoma, breast, and lung cancer.
- To examine the impact of inflammation-mediated CYP modulation on chemotherapy outcomes.
- To highlight the importance of understanding the inflammation-CYP-cancer axis for drug interactions and therapeutic efficacy.
Main Methods:
- Comprehensive review of in vitro, in vivo, and clinical studies.
- Analysis of the interplay between proinflammatory cytokines and CYP enzymes in the tumor microenvironment.
- Examination of CYP polymorphisms and their influence on enzyme activity.
Main Results:
- Inflammation-driven CYP modulation can promote carcinogenesis.
- Altered CYP activity affects chemotherapy efficacy, leading to toxicity or treatment failure.
- CYP polymorphisms contribute to variations in drug response and cancer susceptibility.
Conclusions:
- Elucidating the relationship between inflammation, CYPs, and cancer is essential for personalized medicine.
- Targeting inflammation or CYP pathways may offer novel therapeutic strategies.
- Predicting drug interactions and optimizing chemotherapy require consideration of the tumor microenvironment's inflammatory state.
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