Abstract

Inflammatory skin diseases are induced by disorders of the host defense system of the skin, which is composed of a barrier, innate and acquired immunity, as well as the cutaneous microbiome. These disorders are characterized by recurrent cutaneous lesions and intense itch, which seriously affecting life quality of people across all ages and ethnicities. To elucidate molecular factors for typical inflammatory skin diseases (such as psoriasis and atopic dermatitis), transcriptomic profiling assays have been largely performed. Additionally, single-cell RNA sequencing (scRNA-seq) as well as spatial transcriptomic profiling have revealed multiple potential translational targets and offered guides to improve diagnosis and treatment strategies for inflammatory skin diseases. High-throughput transcriptomics data has shown unprecedented power to disclose the complex pathophysiology of inflammatory skin diseases. Here, we will summarize discoveries from transcriptomics data and discuss how to maximize the transcriptomics data to propel the development of diagnostic biomarkers and therapeutic targets in inflammatory skin diseases.

Highlights

  • The skin is the outmost layer of the body

  • Inflammatory skin diseases are induced by disorders of the host defense system of the skin, which is composed of a barrier, innate and acquired immunity, as well as the cutaneous microbiome

  • atopic dermatitis (AD) can occur at any age, AD prefers to affect infants, especially those at 3-6 months old [5], while the peak onset of psoriasis is in adolescence and early adulthood [7]

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Summary

Maximizing the Utility of Transcriptomics Data in Inflammatory Skin Diseases

Jingni Wu 1†, Zhixiao Fang 1†, Teng Liu 1, Wei Hu 1, Yangjun Wu 2 and Shengli Li 1*. Edited by: Jillian M. University of Massachusetts Medical School, United States. Inflammatory skin diseases are induced by disorders of the host defense system of the skin, which is composed of a barrier, innate and acquired immunity, as well as the cutaneous microbiome. These disorders are characterized by recurrent cutaneous lesions and intense itch, which seriously affecting life quality of people across all ages and ethnicities. Single-cell RNA sequencing (scRNA-seq) as well as spatial transcriptomic profiling have revealed multiple potential translational targets and offered guides to improve diagnosis and treatment strategies for inflammatory skin diseases. Li S (2021) Maximizing the Utility of Transcriptomics Data in Inflammatory Skin Diseases.

INTRODUCTION
Transcriptomics in Inflammatory Skin Diseases
Keratinocyte Responses in Psoriasis and AD
Central in the psoriatic pathogenesis
AD AD AD
Skin Barriers in Psoriasis and AD
Sensory Nerves in Psoriasis and AD
Skin Microbiota in Psoriasis and AD
DISCOVERIES OF DYSREGULATED NONCODING RNAs IN INFLAMMATORY SKIN DISEASES
Noncoding RNAs
Alternative Splicing
RNA Editing
CONCLUDING REMARKS
AUTHOR CONTRIBUTIONS
Full Text
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