News & Views in 2023

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  • Metabolic dysfunction-associated steatotic liver disease (MASLD) has a strong heritable component, and genome-wide association cohort studies are highlighting the major genetic determinants of this condition. A meta-analysis of these databases has now enabled expansion of the list of the inherited variants that modulate the risk of MASLD. The identification of new MASLD risk loci is improving comprehension of disease pathogenesis and individual risk stratification, and also enabling the identification of novel therapeutic targets and disease subtypes that might ultimately lead to a precision medicine approach.

    • Luca V. C. Valenti
    • Vittoria Moretti
    News & Views
  • Innovative approaches to increase testing are needed to achieve the 2030 hepatitis B and hepatitis C elimination targets. Zhang et al., partnering with local community organizations, successfully used a pay-it-forward approach to increase hepatitis B and hepatitis C testing among men who have sex with men in China.

    • Margaret E. Hellard
    • Alisa Pedrana
    News & Views
  • Recent clinical trials have demonstrated efficacy and safety of etrasimod, a new sphingosine-1-phosphate receptor modulator, in the treatment of patients with moderately-to-severely active ulcerative colitis. Etrasimod is a promising new oral treatment option for ulcerative colitis, although long-term efficacy and safety data should be accumulated.

    • Katsuyoshi Matsuoka
    • Toshifumi Hibi
    News & Views
  • A new study has found that a strain of the gut bacterium Lactiplantibacillus plantarum activates a NOD2–type I interferon–insulin-like growth factor 1 pathway in young mice to partially protect against the deleterious growth effects of a diet deficient in protein and fat. Could live biotherapeutic products or their derivatives unlock the full potential of nutritional interventions against childhood stunting?

    • Chioma Moneme
    • Sean R. Moore
    News & Views
  • A prospective study suggests that the risk of liver fibrosis with methotrexate treatment has been overestimated. The findings suggest the need to reconsider the intensive strategies and the screening tools that are recommended for monitoring liver fibrosis in patients receiving methotrexate.

    • Raul J. Andrade
    • Einar S. Björnsson
    News & Views
  • In a study published in Nature, new data have highlighted the bacterial strain-level sharing rates of mother–offspring pairs, twins, families, cohabiting individuals and individuals within a population, as well as those between different populations, providing a comprehensive view of the transmission landscape of the intestinal and oral microbiome in humans. These findings highlight the need to reassess diseases currently considered to be non-communicable and underscore the importance of considering social structure and transmissibility in the design of microbial studies.

    • Amira Metwaly
    • Dirk Haller
    News & Views
  • New data suggest that moderate fluid resuscitation is safer in acute pancreatitis than the standard aggressive fluid resuscitation. The findings suggest that an approach that includes safety and goal-directed checkpoints could enable treatment to be individualized and highlight the importance of clinical evidence in challenging dogma and improving evidence-based medicine.

    • Sara Regnér
    News & Views