Episode 42- Circulating metabolomics profile of psoriasis

In this episode of BJD Talks, Sam and Meera discuss the article ‘Circulating metabolites associated with psoriasis in the UK Biobank and the HUNT Study: a cross-sectional study of 470 352 participants’ by Arham et al. The full article can be accessed at https://doi.org/10.1093/bjd/ljag116

*This podcast was generated by an AI tool created by 67Bricks for the British Association of Dermatologists*

Transcript

SPEAKER_01 0:00

Welcome to BJD Talks, the official podcast of the BJD. I'm Sam.

SPEAKER_00 0:04

And I'm Mira. In this episode, we will be discussing the article by Alia Arhum et al. Circulating Metabolites Associated with Psoriasis in the UK Biobank and the Hunt Study from March 2026 and included in the July 2026 issue.

SPEAKER_01 0:20

This paper is particularly fascinating as it underscores that psoriasis is actually a systemic inflammatory disease with considerable metabolic implications. The study involved over 470,000 participants, an impressive sample size.

SPEAKER_00 0:36

Indeed, the authors used data from the UK Biobank and the Hunt study. One standout finding was that glycoprotein acetals emerged as a consistent marker of psoriasis. Remarkably, associations with glycoprotein acetals remain significant even after accounting for factors like age, body mass index, smoking, and the use of lipid-lowering medications.

SPEAKER_01 1:01

Such findings strengthen the view of psoriasis as more than dermatological. It is systemic. The study also showed that metabolic alterations were more pronounced in severe psoriasis compared to mild cases, reflecting the wider systemic burden tied to disease severity.

SPEAKER_00 1:17

And phenylalanine was another noteworthy finding. Elevated levels were observed in individuals with psoriatic arthritis, distinct from those with skin-limited psoriasis. These elevations were also seen in other arthritis-related diseases, particularly in the Hunt study, suggesting phenylalanine could act as a biomarker for joint inflammation.

SPEAKER_01 1:39

Precisely. Yes, and though the UK Biobank and Hunt datasets were largely in agreement, some discrepancies arose, particularly with lipoprotein metabolite patterns. These may reflect differences in sample type such as plasma versus serum or demographic variations.

SPEAKER_00 2:30

The authors were commendably transparent about limitations, including the cross-sectional design of the study and the predominantly white and European demographic of the study population, which constrains its broader applicability. They rightly highlighted the need for more diverse cohorts in future research.

SPEAKER_01 2:48

All in all, this study lays strong groundwork for more advanced biomarker research into psoriasis and systemic inflammation.

SPEAKER_00 2:55

Agreed. To summarise, psoriasis is a systemic inflammatory disease. Glycoprotein acetyl are reliable inflammatory markers. Phenylylalanine offers potential for assessing joint involvement, and metabolomic profiling shows significant promise for deepening our understanding of inflammatory diseases.

SPEAKER_01 3:14

Well summarized, Mira. That wraps up this episode. Thanks for listening to BJD Talks, and we look forward to sharing more thought provoking research with you soon.

SPEAKER_00 3:24

Thank you, and goodbye for now.