High cutaneous amphiregulin expression predicts fatal acute graft-versus-host disease.

Amphiregulin (AREG) is increased in circulation in acute graft-versus-host disease (aGVHD) and is associated with poor steroid response and lower survival. The expression of AREG in aGVHD target organs and its association with clinical outcomes are unknown. We performed AREG immunohistochemical staining on skin specimens from 67 patients with aGVHD between the years 2010 and 2015. Two blinded reviewers assessed AREG expression and scored specimens with a semiquantitative scale ranging from 0 (absent) to 4 (most intense). Median AREG score of aGVHD cases was 3. Sixteen of 67 (23.9%) aGVHD cases had an AREG >3. High skin AREG expression (>3 vs. ≤3) was associated with increased overall clinical grade of aGVHD (52.9% vs. 33.4% clinical grade III-IV, p = 0.02), reduced 3-year overall survival (OS; 13% vs. 61%, p < 0.01), and increased 3-year non-relapse mortality (NRM; 56% vs. 20%, p = 0.05). High skin AREG immunohistochemical expression is associated with high clinical grade aGVHD, poor OS, and increased NRM. © 2022 The Authors. Journal of Cutaneous Pathology published by John Wiley & Sons Ltd.

Citation

Brittney Schultz, Daniel D Miller, Todd DeFor, Bruce R Blazar, Angela Panoskaltsis-Mortari, Brian C Betts, Margaret L MacMillan, Daniel J Weisdorf, Shernan G Holtan. High cutaneous amphiregulin expression predicts fatal acute graft-versus-host disease. Journal of cutaneous pathology. 2022 Jun;49(6):532-535

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PMID: 35224759

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