Neuro-dermatological association between psoriasis and depression: an immune-mediated inflammatory process validating skin-brain axis theory

Our study's motive was to recognize various immune-mediated inflammatory processes involved in the pathogenesis of depression and psoriasis and interlink between them based on inflammatory mediators. A careful and comprehensive literature search was done through various databases like PubMed, G...

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Bibliographic Details
Published in:AIMS neuroscience 2021-01, Vol.8 (3), p.340-354
Main Authors: Maqbool, Shahzaib, Ihtesham, Arham, Langove, Muhammad Nadeem, Jamal, Sara, Jamal, Tabdar, Safian, Hafiz Abu
Format: Article
Language:English
Subjects:
depression
neuro-dermatology
psoriasis
Review
skin-brain axis
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Summary:Our study's motive was to recognize various immune-mediated inflammatory processes involved in the pathogenesis of depression and psoriasis and interlink between them based on inflammatory mediators. A careful and comprehensive literature search was done through various databases like PubMed, Google Scholar, and EBSCO. A total of 56 studies were included in our study after careful screening. The immune-mediated inflammatory process was significantly associated with the pathogenesis of both depression and psoriasis. Most of the inflammatory markers involved in Psoriasis (TNF-α, IL-2, IL-6, IL-23, IL-1β, IL-10), and increased serotonin transporters (5-HTT) were also found in the pathogenesis of depression, showing the immune-inflammatory linkage between psoriasis and major depression. Based on immune chemistry, the levels of CD2 , CD4 , CD8 T-lymphocytes were also found to be raised in both depression and psoriasis, validating their relationship. Hyperactivity of HPA-axis was also found another interlink between them along with reduced melatonin amount. According to various studies, the neuro-dermatological association between psoriasis and depression is significant. Different immune markers involved in the pathogenesis of depression and psoriasis also show the bidirectional association between them. However, this association between psoriasis and depression is positively correlated, but more work is required to answer why all depressed patients fail to develop psoriasis and why all psoriatic patients fail to develop depression.
ISSN:2373-7972
2373-8006
2373-7972
DOI:10.3934/Neuroscience.2021018