Spatial transcriptomics landscape of lesions from non-communicable inflammatory skin diseases DOI Creative Commons
Alexander Schäbitz, Christina Hillig, Mohammad S. Mubarak

et al.

Nature Communications, Journal Year: 2022, Volume and Issue: 13(1)

Published: Dec. 13, 2022

Abundant heterogeneous immune cells infiltrate lesions in chronic inflammatory diseases and characterization of these is needed to distinguish disease-promoting from bystander cells. Here, we investigate the landscape non-communicable skin (ncISD) by spatial transcriptomics resulting a large repository 62,000 spatially defined human cutaneous transcriptomes 31 patients. Despite expected cell infiltration, observe rather low numbers pathogenic disease promoting cytokine transcripts (IFNG, IL13 IL17A), i.e. >125 times less compared mean expression all other genes over lesional sections. Nevertheless, limited presented disease-specific pattern. Leveraging density-based clustering method, identify specific responder gene signatures direct proximity cytokines, confirm that detected initiate amplification cascades up thousands forming localized epidermal clusters. Thus, within abundant infiltrates ncISD, only number their translated proteins promote initiating an cascade local microenvironment.

Language: Английский

Mesenchymal Stem/Stromal Cell-Derived Exosomes for Immunomodulatory Therapeutics and Skin Regeneration DOI Creative Commons

Dae Hyun Ha,

Hyun-keun Kim, Joon Lee

et al.

Cells, Journal Year: 2020, Volume and Issue: 9(5), P. 1157 - 1157

Published: May 7, 2020

Exosomes are nano-sized vesicles that serve as mediators for cell-to-cell communication. With their unique nucleic acids, proteins, and lipids cargo compositions reflect the characteristics of producer cells, exosomes can be utilized cell-free therapeutics. Among derived from various cellular origins, mesenchymal stem cell-derived (MSC-exosomes) have gained great attention due to immunomodulatory regenerative functions. Indeed, many studies shown anti-inflammatory, anti-aging wound healing effects MSC-exosomes in vitro vivo models. In addition, recent advances field exosome biology enabled development specific guidelines quality control methods, which will ultimately lead clinical application exosomes. This review highlights investigate therapeutic potential relevant mode actions skin diseases, well measures required exosome-derived

Language: Английский

Citations

403

Advances in Antimicrobial Microneedle Patches for Combating Infections DOI
Rezvan Jamaledin,

Cynthia Kar Yung Yiu,

Ehsan Nazarzadeh Zare‬

et al.

Advanced Materials, Journal Year: 2020, Volume and Issue: 32(33)

Published: June 29, 2020

Abstract Skin infections caused by bacteria, viruses and fungi are difficult to treat conventional topical administration because of poor drug penetration across the stratum corneum. This results in low bioavailability drugs infection site, as well lack prolonged release. Emerging antimicrobial transdermal ocular microneedle patches have become promising medical devices for delivery various antibacterial, antifungal, antiviral therapeutics. In present review, skin anatomy its barriers along with discussed. Potential strategies designing microneedles their targeted therapy outlined. Finally, biosensing associated personalized selective toxicity toward specific microbial species

Language: Английский

Citations

356

The Immune Functions of Keratinocytes in Skin Wound Healing DOI Open Access
Minna Piipponen, Dongqing Li, Ning Xu

et al.

International Journal of Molecular Sciences, Journal Year: 2020, Volume and Issue: 21(22), P. 8790 - 8790

Published: Nov. 20, 2020

As the most dominant cell type in skin, keratinocytes play critical roles wound repair not only as structural cells but also exerting important immune functions. This review focuses on communications between and healing, which are mediated by various cytokines, chemokines, extracellular vesicles. Keratinocytes can directly interact with T via antigen presentation. Moreover, produce antimicrobial peptides that kill invading pathogens contribute to many aspects. We reviewed epigenetic mechanisms known regulate keratinocyte functions, including histone modifications, non-protein-coding RNAs (e.g., microRNAs, long noncoding RNAs), chromatin dynamics. Lastly, we summarized current evidence dysregulated functions of chronic nonhealing wounds. Based their crucial skin propose significantly pathogenesis inflammation. hope this will trigger an interest investigating pathology, may open up new avenues for developing innovative treatments.

Language: Английский

Citations

330

Towards Optimal pH of the Skin and Topical Formulations: From the Current State of the Art to Tailored Products DOI Creative Commons
Milica Lukić, Ivana Pantelić, Snežana Savić

et al.

Cosmetics, Journal Year: 2021, Volume and Issue: 8(3), P. 69 - 69

Published: Aug. 4, 2021

Acidic pH of the skin surface has been recognized as a regulating factor for maintenance stratum corneum homeostasis and barrier permeability. The most important functions acidic seem to be related keratinocyte differentiation process, formation function epidermal lipids corneocyte lipid envelope, microbiome and, consequently, disturbances diseases. As acknowledged extrinsic factors that affect pH, topically applied products could contribute health via value control. obtained knowledge on skins’ used in formulation more effective topical products, which would add development so-called ‘for maintenance’. There is high level agreement should acidified possess range 4 6. However, formulators, dermatologists consumers benefit from some precise guidance concerning favorable values selection cosmetic ingredients responsible acidification, together with extensive understanding mechanisms underlaying process acidification by products.

Language: Английский

Citations

237

Commensal microbiota regulates skin barrier function and repair via signaling through the aryl hydrocarbon receptor DOI Creative Commons
Aayushi Uberoi, Casey Bartow‐McKenney, Qi Zheng

et al.

Cell Host & Microbe, Journal Year: 2021, Volume and Issue: 29(8), P. 1235 - 1248.e8

Published: July 1, 2021

Language: Английский

Citations

192

Atopic dermatitis: Role of the skin barrier, environment, microbiome, and therapeutic agents DOI
Thomas A. Luger, Masayuki Amagai, Brigitte Dréno

et al.

Journal of Dermatological Science, Journal Year: 2021, Volume and Issue: 102(3), P. 142 - 157

Published: May 2, 2021

Language: Английский

Citations

150

The Skin Microbiome: Current Landscape and Future Opportunities DOI Open Access
Paisleigh Smythe, Holly N. Wilkinson

International Journal of Molecular Sciences, Journal Year: 2023, Volume and Issue: 24(4), P. 3950 - 3950

Published: Feb. 16, 2023

Our skin is the largest organ of body, serving as an important barrier against harsh extrinsic environment. Alongside preventing desiccation, chemical damage and hypothermia, this protects body from invading pathogens through a sophisticated innate immune response co-adapted consortium commensal microorganisms, collectively termed microbiota. These microorganisms inhabit distinct biogeographical regions dictated by physiology. Thus, it follows that perturbations to normal homeostasis, occurs with ageing, diabetes disease, can cause microbial dysbiosis increase infection risk. In review, we discuss emerging concepts in microbiome research, highlighting pertinent links between cutaneous repair. Moreover, address gaps current knowledge highlight key areas requiring further exploration. Future advances field could revolutionise way treat associated ageing other pathologies.

Language: Английский

Citations

79

The Ubiquitous Human Skin Commensal Staphylococcus hominis Protects against Opportunistic Pathogens DOI Creative Commons

Morgan M. Severn,

Michael R. Williams, Ali Shahbandi

et al.

mBio, Journal Year: 2022, Volume and Issue: 13(3)

Published: May 24, 2022

Human skin is home to a variety of commensal bacteria, including many species coagulase-negative staphylococci (CoNS). While it well established that the microbiota as whole maintains homeostasis and excludes pathogens (i.e., colonization resistance), relatively little known about unique contributions individual CoNS these interactions. Staphylococcus hominis second most frequently isolated from healthy skin, there emerging evidence suggest may play an important role in excluding pathogens, aureus , colonizing or infecting skin.

Language: Английский

Citations

71

Skin Barrier Function: The Interplay of Physical, Chemical, and Immunologic Properties DOI Creative Commons

Paola Baker,

Christina Huang, Rakan Radi

et al.

Cells, Journal Year: 2023, Volume and Issue: 12(23), P. 2745 - 2745

Published: Nov. 30, 2023

An intact barrier function of the skin is important in maintaining health. The regulation depends on a multitude molecular and immunological signaling pathways. By examining healthy barrier, including maintenance acid mantle appropriate levels ceramides, dermatologists can better formulate solutions to address issues that are related disrupted barrier. Conversely, by understanding specific disruptions associated with conditions, such as atopic dermatitis or psoriasis, development new compounds could target pathways provide more effective relief for patients. We aim review key factors mediating inflammation, acidity, interleukins, nuclear factor kappa B, sirtuin 3. Furthermore, we will discuss current emerging treatment options conditions.

Language: Английский

Citations

43

Skin homeostasis: Mechanism and influencing factors DOI
Qian Jiao,

Leilei Zhi,

Bing You

et al.

Journal of Cosmetic Dermatology, Journal Year: 2024, Volume and Issue: 23(5), P. 1518 - 1526

Published: Feb. 26, 2024

Abstract Background The skin is the largest organ in human body, not only resisting invasion of harmful substances, but also preventing loss moisture and nutrients. Maintaining homeostasis a prerequisite for proper functioning body. Any damage to can lead decrease local homeostasis, such as ultraviolet radiation, seasonal changes, air pollution, which tissue affect function barrier. Objective This article reviews maintenance mechanism influencing factors symptoms imbalance. Methods We searched articles published between 1990 2022 English Chinese using PubMed, Web Science, CNKI, other databases subject area dermatology, following search terms various combinations: “skin homeostasis,” barrier,” “unstable skin.” Based on our results, we further refined criteria include series common problems caused by destruction its treatments. Limitations lack research dermatological cosmetic triggered disruption homeostasis. Results study describes neuroendocrine‐immune system, barrier structure, metabolic system that maintain In addition, discuss several occur when out balance, dryness, redness, acne, sensitivity, aging, explain these symptoms. Conclusion provides an update review students practitioners, theoretical basis development care products repair

Language: Английский

Citations

23