Αρχειοθήκη ιστολογίου

Αλέξανδρος Γ. Σφακιανάκης
ΩτοΡινοΛαρυγγολόγος
Αναπαύσεως 5
Άγιος Νικόλαος Κρήτη 72100
2841026182
6032607174

Πέμπτη 26 Οκτωβρίου 2017

The role of the microbiome in psoriasis: moving from disease description to treatment prediction?

Abstract

With several million microbes per cm2 of skin, the task of mapping the physiological cutaneous microbiome is enormous. Indeed, the reliance on bacterial culture to identify cutaneous bacterial communities has led to a systematic under-appreciation of cutaneous microbial diversity, potentially limiting our understanding of common inflammatory skin diseases including psoriasis.

However, based heavily on developments in molecular biology and bioinformatics, including next generation sequencing, the last decade has witnessed a marked increase in our understanding of the extent and composition of the cutaneous microbiome. It is already clear that skin-specific (skin site and skin microenvironment), individual-specific (hygiene, sex, age, and hormonal status), disease-specific (atopic eczema, acne) and genetic factors can all influence the cutaneous microbiome, albeit to varying and, as yet ill-defined, extents. This review briefly describes the process of 16S ribosomal RNA sequencing, before charting our current understanding of the cutaneous microbiome in health and the alterations (dysbiosis) associated with chronic inflammatory diseases with particular reference to psoriasis. The possibility and clinical relevance of intra-individual cross-talk between the various microbiomes is discussed and potential mechanisms underpinning the interactions between resident skin flora and the immune system are highlighted. We outline how the power of microbiome studies can be harnessed to provide new insights into disease pathogenesis and treatment selection. Ultimately, in the age of personalized medicine, the integration of cutaneous microbiome signatures and comprehensive disease and drug response endotypes will herald a novel approach in the clinical management of chronic, multi-system inflammatory diseases.

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