Toxicities of Polycyclic Aromatic Hydrocarbons in Fish and Marine Invertebrates

Suzuki, Nobuo; Ikari, Takahiro; Sato, Masayuki; Toriba, Akira; Sekiguchi, Toshio; Kitani, Yoichiro; Ogiso, Satoshi; Yachiguchi, Koji; Hattori, Atsuhiko; Oshima, Yuji; Hayakawa, Kazuichi

doi:10.1007/978-981-10-6775-4_19

Cited by 4 publications

(1 citation statement)

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“…OHPAHs are also generated in animal bodies. After entering the body, PAHs bind to one of the nuclear receptors, the aryl hydrocarbon receptor (AhR), and then activate cytochrome P450 drug-metabolizing enzymes, such as Cyp1A1, Cyp1A2, and Cyp1B1, which metabolize PAHs into various PAH derivatives, including OHPAHs [28,112]. In teleost species, as well as in mammals, both AhR and Cyp1A1 are present [70,113].…”

Section: Toxicity and Endocrine-disruptive Action Of Pahs On Fish Repmentioning

confidence: 99%

Toxicities of Polycyclic Aromatic Hydrocarbons for Aquatic Animals

Honda

Suzuki

2020

IJERPH

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341

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Polycyclic aromatic hydrocarbons (PAHs) are organic compounds that are widely distributed in the air, water, and soil. Recently, the amount of PAHs derived from fuels and from incomplete combustion processes is increasing. In the aquatic environment, oil spills directly cause PAH pollution and affect marine organisms. Oil spills correlate very well with the major shipping routes. Furthermore, accidental oil spills can seriously impact the marine environment toxicologically. Here, we describe PAH toxicities and related bioaccumulation properties in aquatic animals, including invertebrates. Recent studies have revealed the toxicity of PAHs, including endocrine disruption and tissue-specific toxicity, although researchers have mainly focused on the carcinogenic toxicity of PAHs. We summarize the toxicity of PAHs regarding these aspects. Additionally, the bioaccumulation properties of PAHs for organisms, including invertebrates, are important factors when considering PAH toxicity. In this review, we describe the bioaccumulation properties of PAHs in aquatic animals. Recently, microplastics have been the most concerning environmental problem in the aquatic ecosystem, and the vector effect of microplastics for lipophilic compounds is an emerging environmental issue. Here, we describe the correlation between PAHs and microplastics. Thus, we concluded that PAHs have a toxicity for aquatic animals, indicating that we should emphasize the prevention of aquatic PAH pollution.

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