Contribution of Apoptosis Resistance to Epidermal Thickening in Psoriatic Epidermal Keratinocytes.

Contribution of Apoptosis Resistance to Epidermal Thickening in Psoriatic Epidermal Keratinocytes. Acta Derm Venereol. 2017 Mar 28;: Authors: Bivik Eding C, Enerbäck C Abstract Psoriasis is a common autoimmune skin disease. The aim of this study was to investigate whether the apoptotic process is disturbed in psoriatic keratinocytes. In vitro culture of keratinocytes derived from both involved and uninvolved psoriatic skin, revealed higher viability and resistance to apoptosis following exposure to ultraviolet B, compared with cells from healthy controls. The position of apoptotic dysregulation was found to be upstream of cytochrome c release in the mitochondrial apoptotic pathway. Microarray transcriptome analysis revealed that 87 genes were differentially expressed in both involved and uninvolved psoriatic keratinocytes compared with controls. Among these, a general upregulation of anti-apoptotic genes and downregulation of pro-apoptotic genes were identified. This distinct apoptosis-resistant phenotype, unrelated to the inflammatory component of the disease, implies that intrinsic abnormalities in keratinocytes may contribute to the pathogenesis of psoriasis. PMID: 28350039 [PubMed - as supplied by publisher]
Source: Acta Dermato-Venereologica - Category: Dermatology Authors: Tags: Acta Derm Venereol Source Type: research

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Publication date: Available online 14 November 2019Source: Acta Pharmaceutica Sinica BAuthor(s): Jing Jin, Nina Xue, Yuan Liu, Rong Fu, Mingjin Wang, Ming Ji, Fangfang Lai, Jinping Hu, Xiaojian Wang, Qiong Xiao, Xiaoying Zhang, Dali Yin, Xiaoguang Chen, Shuan RaoAbstractPsoriasis is characterized by abnormal proliferation of keratinocytes, as well as infiltration of immune cells into the dermis and epidermis, causing itchy, scaly and erythematous plaques of skin. The understanding of this chronic inflammatory skin disease remains unclear and all available treatments have their limitations currently. Here, we showed that IM...
Source: Acta Pharmaceutica Sinica B - Category: Cancer & Oncology Source Type: research
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Source: Journal of Toxicologic Pathology - Category: Toxicology Tags: J Toxicol Pathol Source Type: research
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Source: Autoimmunity Highlights - Category: Allergy & Immunology Source Type: research
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Source: Frontiers in Immunology - Category: Allergy & Immunology Source Type: research
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Source: Frontiers in Immunology - Category: Allergy & Immunology Source Type: research
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Source: Frontiers in Immunology - Category: Allergy & Immunology Source Type: research
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Source: Frontiers in Immunology - Category: Allergy & Immunology Source Type: research
Fight Aging! provides a weekly digest of news and commentary for thousands of subscribers interested in the latest longevity science: progress towards the medical control of aging in order to prevent age-related frailty, suffering, and disease, as well as improvements in the present understanding of what works and what doesn't work when it comes to extending healthy life. Expect to see summaries of recent advances in medical research, news from the scientific community, advocacy and fundraising initiatives to help speed work on the repair and reversal of aging, links to online resources, and much more. This content is...
Source: Fight Aging! - Category: Research Authors: Tags: Newsletters Source Type: blogs
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Source: Current Drug Metabolism - Category: Drugs & Pharmacology Authors: Tags: Curr Drug Metab Source Type: research
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