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Table 1 The pathogenetic role of ROS in dysfunctional different cell types (KCs, skin-resident and -infiltrating immune cells functions) mediated propagation of inflammatory loops in the EIME of psoriasis

From: Advances in the modulation of ROS and transdermal administration for anti-psoriatic nanotherapies

Cell type

Oxidative stress state

The target of ROS/RNS modification/signaling pathways

Molecular mechanism

References

Keratinocyte

ROS↑

NADPH oxidases (NOX)↑

ROS-NOX-psoriasis signatures of cytokines-keratinocyte hyperproliferation (PS)

[16]

Keratinocyte

ROS↑

mTOR- NF-κB pathway

TNF-α induced-ROS activated mTOR-NF-κB pathway and then increases the production of inflammatory cytokines

[28]

Keratinocyte

ROS↑

ROS-NOX1/NOX4-pro-inflammatory cytokines

NOX1/NOX4 inhibitors could decrease the production of ROS to relieve the AD and PSO inflammation

[16]

Keratinocyte

ROS↑

p47-NOX-ROS-NF-κB/cyclin D1pathway

PDE4 inhibitor could improve psoriasis via inactivation of p47 subunit protein

[41]

Keratinocyte

ROS↑

ROS-SIRT1-NF-κB signaling

Chemerin/ChemR23 axis evoked the inflammatory response of psoriatic KCs through inhibiting and promoting the activation of downstream gene NF-κB by ROS production

[48]

Keratinocyte

ROS↑

ROS-NF-κB/MAPK signaling

The decreased levels of GSH, SOD and CAT, and MDA in IMQ-induced psoriatic skin tissue were detoxified by cimifugin by inactivating NF-κB/MAPK signaling pathway

[49]

Keratinocyte

ROS↑

SIRT1-MAPK/NF-κB/STAT3

Salidroside inhibited ROS-mediated MAPK/NF-κB/STAT3 singling pathway via SIRT1 activation to ameliorate psoriasis

[32]

Keratinocyte

ROS↑

SIRT1-NF-κB/MAPK

Catalpol suppressed ROS-induced inflammatory response via up-regulation of SIRT1 to block the ROS-associated NF-κB and MAPKs signaling pathways

[47]

Keratinocyte

ROS↑

TNF-α/IL-17 A-ROS- NF-κB

Astilbin/ Galangin relieved psoriasis-like skin inflammation via neutralizing harmal ROS to induce Nrf2 expression

[54, 55]

Keratinocyte

ROS↑

ROS-STAT3-HO-1

HO-1 restrained STAT3 activation through upregulation of SHP-1 expression to reverse Stat3-controlled aberrant keratinocyte differentiation

[51]

Keratinocyte

ROS↑

ROS-NRF2/HO-1

DMF attenuated oxidative distress and repaired cellular total antioxidant capability via activating the NRF2 pathway

[147]

Keratinocyte

ROS↑(H2O2) produced by membrane NADPH oxidase 2 (Nox2) under the stimulation of TNF-α

H2O2- AQP3-NF-κB

H2O2 transport could be facilitated by AQP3 to the promotion of the NF-κB activation in KCs for the development of psoriasis

[58]

Keratinocyte

ROS↑

ROS-mTOR signaling- proinflammatory cytokines

Rapamycin could attenuate proinflammatory cytokines in psoriatic mouse lesional skin via inhibiting oxidant signaling-related factors NOX2/4 and increasing the expression of antioxidant transcriptional factor NRF2

[40]

Keratinocyte

ROS↑

GPR43-DUOX2-ROS signaling cascades

GPR43-mediated epidermal DUOX2 and IL-6 signaling generated ROS to aggravate psoriatic inflammation

[42]

MDSCs

ROS↑

ROS-GSH-the inability of MDSCs differentiation

MDSCs from IMQ psoriatic mice model exhibited downregulation of GSH and disturbing MDSCs differentiation into CD11c+MHC-II+ dendritic cells and CD206+ M2 macrophages

[65]

Macrophage and ILC3

Superoxide/ NO↑(ROS/RNS)

NOS2 (nitric oxide synthase) ↑

Mannan-induced NOS2-macrophage-derived IL1α- up-regulation level of IL-17 A in a subset of skin ILC3 (innate lymphocytes) (MIP)

[67]

RAW264.7

ROS↑

ROS-NF-κB/ERK/JNK signaling pathway- inflammatory cytokines

IMQ induced upregulation of iNOS, NF-κB and MAPKs signaling cascade with a concomitant increase in the expression of inflammatory cytikines in skin tissues

[66]

LCs

ROS↑

ROS-autophagy-NF-κB and MAPK14/p38-IL-23 A

Drug-provoked inflammatory reactions through suppression of autophagy in epidermal LCs and dermal DCs to promote the secretion of IL23A under sterile-inflammatory conditions

[74]

PBMC

ROS↑

TNFα + IL-17 A-ROS-NLRP3- pro-IL-18 and pro-IL-1β

TNF-α stimulated the NLRP3 inflammasome mediated signaling pathway in PBMC from psoriasis patients via ROS and casepase1/8

[73]

PBMC(CD10negCD16negCD11bneg/low neutrophils)

ROS↑

TNF-α + f-MLF-ROS-aged neutrophils- an increase of T cells-associated proinflammatory cytokines expression

Blood-derived CD10neg immature and CD10neg aged neutrophils promoted the proinflammatory cytokine expression by T cells in vitro through NETosis mediated by ROS

[91]

Polymorphonuclear granulocytes

ROS↑

PMA-ROS-NETs formation

DMF inhibited NET formation in a GSH-depletion and ROS-limitation manner of polymorphonuclear granulocytes

[129]

Dendritic cell

mtROS↑

IMQ-p32/C1qbp-mtROS- DC hyperactivation and inflammasome

p32/C1qbp-dependent mtROS pathway induced IL-23-mediated psoriatic inflammation through DC activation

[95]

Dendritic cell

ROS↑

ROS-induced GSH depletion-OH-1 activation and STAT1 phosphorylation damage

Small molecules of fumarates induced type II DCs in mice and in humans to ameliorate psoriasis via GSH depletion.

[76]

Memory CD4+ T cells

ROS↑

ROS- CAT/ SOD1/2/TAC reduction in activated memory CD4+ T cells

Imbalance redox status in activated memory CD4 + T cells involved in the pathogenesis of psoriasis

[99]

γδ T cells

ROS↑

ROS-8-oxo-dGTP accumulation and oxidative DNA-Th17-associated cytokines-IL-17-producing γδ T cells in lymph nodes

Oxidized nucleotides induced by ROS contributed to the activation of Th17 cells, accompanied by elevated IL-17-producing γδ T cells

[102]

Mouse CD4+ T cell

ROS↑

ROS- CD4+ T cell polarization to Th2 and Th17

Differentiation of CD4+ T cells into Th2 and Th17 cell subsets could be restrained by the intracellular ROS-scavenging ability of Astragalus sinicus L.

[101]

ILCs

ROS↑

Nos2-derived NO-IL-17-producing ILC3

IL-17-producing ILC3 was upregulated by Nos2-derived NO to exacerbate psoriasis-like inflammation in MIP mice molde

[67]