Accepted Article This article has been accepted for publication and undergone full peer review but has not been through the copyediting, typesetting, pagination and proofreading process, which may lead to differences between this version and the Version of Record. Please cite this article as doi: 10.1111/jdv.15029 This article is protected by copyright. All rights reserved. DR. IRIS SPOERRI (Orcid ID : 0000-0003-0453-3229) Article type : Letter to Editor Immune-regulatory genes as possible modifiers of familial pityriasis rubra pilaris - Lessons from a family with PRP and psoriasis I. Spoerri 1 , S. Herms 1 , O. Eytan 2 , O. Sarig 2 , K. Heinimann 3, 4 , E. Sprecher 2 , P.H. Itin 1,5 , B. Burger 1 1 Research Group Dermatology, Department of Biomedicine, University Hospital Basel and University of Basel, Basel, Switzerland 2 Department of Dermatology, Tel-Aviv Sourasky Medical Centre, Tel-Aviv, Israel 3 Human Genomics Research Group, Department of Biomedicine, University Hospital Basel and University of Basel, Basel, Switzerland 4 Institute for Medical Genetics and Pathology, University Hospital Basel, Basel, Switzerland. 5 Dermatology, University Hospital Basel, Switzerland Corresponding Author: Dr. rer. nat. Bettina Burger Research Group of Dermatology Hebelstrasse 20 4031 Basel Switzerland +41 61 328 69 03 Bettina.burger@usb.ch Funding: University Hospital Basel