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A systematic review: on the mercaptoacid metabolites of acrylamide, N-acetyl-S-(2-carbamoylethyl)-L-cysteine

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Abstract

Acrylamide is widely found in a variety of fried foods and cigarettes and is not only neurotoxic and carcinogenic, but also has many potential toxic effects. The current assessment of acrylamide intake through dietary questionnaires is confounded by a variety of factors, which poses limitations to safety assessment. In this review, we focus on the levels of AAMA, the urinary metabolite of acrylamide in humans, and its association with other diseases, and discuss the current research gaps in AAMA and the future needs. We reviewed a total of 25 studies from eight countries. In the general population, urinary AAMA levels were higher in smokers than in non-smokers, and higher in children than in adults; the highest levels of AAMA were found in the population from Spain, compared with the general population from other countries. In addition, AAMA is associated with several diseases, especially cardiovascular system diseases. Therefore, AAMA, as a biomarker of internal human exposure, can reflect acrylamide intake in the short term, which is of great significance for tracing acrylamide-containing foods and setting the allowable intake of acrylamide in foods.

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Data Availability

This is a systematic review article, and its data is extracted from the original articles.

Abbreviations

AA:

Acrylamide

TDI:

Tolerable daily intake

CYP2E1:

Cytochrome P450 2E1

GA:

Glycidamide

GST:

Glutathione S-transferase

AAMA:

N-acetyl-S-(2-carbamoylethyl)-L-cysteine

GAMA:

N-acetyl-S-(2-carbamoyl-2-hydroxyethyl)-L-cysteine

BMDL10:

Benchmark dose lower-bound confidence limit 10%

HBM:

Human biomonitoring

Nin:

Neurotoxicity index

IARC:

International Agency for Research on Cancer

UC:

Uroepithelial cancer

AAMA-sul:

N-acetyl-S-(2-carbamoylethyl)-L-cysteine-sulfoxide

iso-GAMA:

N-acetyl-S-(1-carbamoyl-2-hydroxyethyl)-L-cysteine

LC-MS/MS:

Liquid chromatography-tandem mass spectrometry

NMR:

Nuclear magnetic resonance

c-LOD:

Limit of detection

HILIC-MS/MS:

Hydrophilic interaction chromatography-tandem mass spectrometry

ZIC-HILIC:

Zwitterionic-type hydrophilic interaction chromatography

NASPC:

N-acetyl-S-(propionamide)-cysteine

mEH:

Microsomal epoxide hydrolases

GSTM1:

Glutathione-S-transferase mu-1

GSTT1:

Glutathione S-transferase T1

BMI:

Body Mass Index

HbAA:

Hemoglobin adduct levels of AA

NF-κb:

NF-kappaB

NLRP3:

NOD-like receptor family pyrin domain containing 3

TGF-β1:

Transforming growth factor beta1

HRV:

Heart rate variability

CVD:

Cardiovascular diseases

CKD:

Chronic kidney disease

SBP:

Systolic blood pressure

DBP:

Diastolic blood pressure

AAVal:

N-2-carbamoylethylvaline

GAVal:

N-(R,S)-2-hydroxy-2-carbamoylethylvaline

8-iso-PGF2α:

8-Isoprostaglandin F2 alpha

8-OHdG:

8-Hydroxy-2'-deoxyguanosine

MDA:

Malondialdehyde

FVC:

Forced vital capacity

CRP:

C-reactive protein

FPG:

Fasting plasma glucose

N7-GAG:

N7-(2-carbamoyl-2-hydroxyethyl) guanine

VOC:

Volatile organic compound

References

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Funding

This study was supported by grants from the National Natural Science Foundation of China (81803207) and the Natural Science Foundation of Heilongjiang Province Outstanding Youth project (YQ2021H007).

Author information

Authors and Affiliations

Authors

Contributions

All the authors contributed to the study conception and design. Fang-Fang Zhao: writing — original draft, conceptualization, and project administration. Xiao-Li Wang: data reduction and project administration. Ya-Ting Lei and Hong-Qiu Li: literature search, formal analysis and investigation. Zhi-Ming Li: data entering and methodology. Xiao-Xiao Hao: investigation and methodology. Wei-Wei Ma: investigation and methodology. Yong-Hui Wu: investigation and methodology. Sheng-Yuan Wang: writing — review and editing. All the authors approved the final version.

Corresponding author

Correspondence to Sheng-Yuan Wang.

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Not applicable.

Competing interests

The authors declare no competing interests.

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Responsible Editor: Ester Heath

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Highlights

• Twenty-five articles on AAMA from eight countries were discussed.

• AAMA levels were higher in smokers than in non-smokers and in children than in adults.

• AAMA is easy to obtain and simple to detect.

• Dietary intake of acrylamide can be derived from AAMA.

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Zhao, F., Wang, XL., Lei, YT. et al. A systematic review: on the mercaptoacid metabolites of acrylamide, N-acetyl-S-(2-carbamoylethyl)-L-cysteine. Environ Sci Pollut Res 30, 88350–88365 (2023). https://doi.org/10.1007/s11356-023-28714-3

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  • DOI: https://doi.org/10.1007/s11356-023-28714-3

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