New insight into prurigo nodularis: Proadrenomedullin N-terminal 20 peptide mediates mouse mast cell activation via Mrgprb2.

"CONFLICT OF INTEREST STATEMENT The authors declare no conflicts of interest."

"We wish to thank all dermatologists in the Department of Dermatology, Huashan Hospital (Jinran Lin, Yiyi Gong, Shangshang Wang, etc.) for performing skin biopsies and dermatopathologists (Lianjun Chen, Qiao'an Zhang, Jiewen Pan) for making the pathological diagnosis. We thank all patients and healthy volunteers who agreed to participate in this study. This work was funded by the National Natural Science Foundation of China (No. 81803130 and 82003348), Shanghai Association for Science and Technology (No. 21Y11905100), Shanghai Municipal Commission of Health and Family Planning (No. 2023ZZ02018), Shanghai Municipal Key Clinical Specialty (No‐shslczdzk01002), and Beijing Bethune Charitable Foundation (No. JJXYZ‐LC‐02)."