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From NAFLD to MASLD: implications of the new nomenclature for preclinical and clinical research

Non-alcoholic liver disease (NAFLD) is now metabolic dysfunction-associated steatotic liver disease (MASLD), emphasizing the key metabolic factors of obesity, insulin resistance, vascular dysfunction and dyslipidaemia. Here, we discuss impacts on the existing body of clinical and preclinical liver disease research and on research moving forward.

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Fig. 1: Summary of new nomenclature for steatotic liver disease.

References

  1. Rinella, M. E. et al. J. Hepatol. 79, 1542–1556 (2023).

    Article  CAS  PubMed  Google Scholar 

  2. Kanwal, F., Neuschwander-Tetri, B. A., Loomba, R. & Rinella, M. E. Hepatology https://doi.org/10.1097/HEP.0000000000000670 (2023).

  3. Ratziu, V. & Boursier, J. J. Hepatol. 80, e51–e52 (2023).

    Article  PubMed  Google Scholar 

  4. Song, S. J., Che-To Lai, J., Lai-Hung Wong, G., Wai-Sun Wong, V. & Cheuk-Fung Yip, T. J. Hepatol. 80, e54–e56 (2023).

    Article  PubMed  Google Scholar 

  5. Hagstrom, H., Vessby, J., Ekstedt, M. & Shang, Y. J. Hepatol. 80, e76–e77 (2023).

    Article  PubMed  Google Scholar 

  6. Li, M. & Xie, W. J. Hepatol. 80, e53–e54 (2023).

    Article  PubMed  Google Scholar 

  7. Díaz, L. A., Arab, J. P., Louvet, A., Bataller, R. & Arrese, M. Nat. Rev. Gastroenterol. Hepatol. 20, 764–783 (2023).

    Article  PubMed  Google Scholar 

  8. Gallage, S. et al. Nat. Metab. 4, 1632–1649 (2022).

    Article  CAS  PubMed  Google Scholar 

  9. Hsu, C. L. & Schnabl, B. Nat. Rev. Microbiol. 21, 719–733 (2023).

    Article  CAS  PubMed  Google Scholar 

  10. Demir, M. et al. J. Hepatol. 76, 788–799 (2022).

    Article  CAS  PubMed  Google Scholar 

  11. Hsu, C. L. et al. Dig. Dis. Sci. 68, 3059–3069 (2023).

    Article  CAS  PubMed  Google Scholar 

  12. Azuma, H. et al. Nat. Biotechnol. 25, 903–910 (2007).

    Article  CAS  PubMed  PubMed Central  Google Scholar 

  13. Song, Y. et al. Science 371, 1019–1025 (2021).

    Article  CAS  PubMed  PubMed Central  Google Scholar 

  14. Kaffe, E. et al. Cell 186, 3793–3809.e26 (2023).

    Article  CAS  PubMed  Google Scholar 

Download references

Acknowledgements

C.L.H. receives funding support from NIAAA (K99AA031328), American Association for the Study of Liver Diseases Foundation (CTORA23-208366), and the Southern California Research Center for ALPD and Cirrhosis funded by NIH P50AA011999. R.L. receives funding support from NIEHS (5P42ES010337), NCATS (5UL1TR001442), NIDDK (U01DK130190, U01DK061734, R01DK106419, P30DK120515, R01DK121378, R01DK124318), NHLBI (P01HL147835).

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C.L.H. drafted the manuscript and R.L. carried out a critical revision of the manuscript.

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Correspondence to Rohit Loomba.

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Competing interests

C.L.H. declares no competing interests. R.L. serves as a consultant to Aardvark Therapeutics, Altimmune, Anylam/Regeneron, Amgen, Arrowhead Pharmaceuticals, AstraZeneca, Bristol-Myer Squibb, CohBar, Eli Lilly, Galmed, Gilead, Glympse bio, Hightide, Inipharma, Intercept, Inventiva, Ionis, Janssen Inc., Madrigal, Metacrine, Inc., NGM Biopharmaceuticals, Novartis, Novo Nordisk, Merck, Pfizer, Sagimet, Theratechnologies, 89 bio, Terns Pharmaceuticals and Viking Therapeutics. In addition, his institutions received research grants from Arrowhead Pharmaceuticals, Astrazeneca, Boehringer-Ingelheim, Bristol-Myers Squibb, Eli Lilly, Galectin Therapeutics, Galmed Pharmaceuticals, Gilead, Intercept, Hanmi, Intercept, Inventiva, Ionis, Janssen, Madrigal Pharmaceuticals, Merck, NGM Biopharmaceuticals, Novo Nordisk, Merck, Pfizer, Sonic Incytes and Terns Pharmaceuticals. Co-founder of LipoNexus Inc.

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Nature Metabolism thanks Herbert Tilg for their contribution to the peer review of this work.

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Supplementary Table

CVD, cardiovascular dysfunction; HLD, hyperlipidaemia; HTN, hypertension; IR, insulin resistance.

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Hsu, C.L., Loomba, R. From NAFLD to MASLD: implications of the new nomenclature for preclinical and clinical research. Nat Metab 6, 600–602 (2024). https://doi.org/10.1038/s42255-024-00985-1

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