Silymarin exerts antipsoriatic effects against imiquimod-induced psoriasis in mice via NF-kB/TLR4 signaling pathway

Objective(s): Psoriasis is an autoimmune disease that mainly affects the skin and joints, which is mediated via T-cells. Several factors contribute to its pathogenesis, including genetic and environmental triggers, as well as intrinsic immune processes that lead to an autoimmune response. Silymarin,...

Full description

Bibliographic Details
Authors: Azimi, Behnaz; Kiani, Amir; Noori, Tayebeh; Sureda, Antoni; Shirooie, Samira
Format: Article
Publication date:2025
Country:España
Institution:Conselleria de Salut i Consum del Govern de les Illes Balears
Repository:Docusalut
Language:English
OAI Identifier:oai:docusalut.com:20.500.13003/25999
Online Access:https://hdl.handle.net/20.500.13003/25999
Access Level:Open access
Keyword:Imiquimod
Inflammation
Mice
Male
Psoriasis
Dermatology
Silymarin
NF-kappa B
Administration, Topical
Skin
Antioxidants
Medication Adherence
Rats
Inflamación
Ratones
Masculino
Dermatología
Silimarina
FN-kappa B
Administración Tópica
Piel
Antioxidantes
Cumplimiento de la Medicación
Ratas
Male mice
_version_ 1878741421738950656
author Azimi, Behnaz
author2 Kiani, Amir
Noori, Tayebeh
Sureda, Antoni
Shirooie, Samira
author2_role author
author
author
author
author_browse Azimi, Behnaz
Kiani, Amir
Noori, Tayebeh
Shirooie, Samira
Sureda, Antoni
author_facet Azimi, Behnaz
Kiani, Amir
Noori, Tayebeh
Sureda, Antoni
Shirooie, Samira
author_role author
collection Docusalut
description Objective(s): Psoriasis is an autoimmune disease that mainly affects the skin and joints, which is mediated via T-cells. Several factors contribute to its pathogenesis, including genetic and environmental triggers, as well as intrinsic immune processes that lead to an autoimmune response. Silymarin, a flavonoid complex extracted from Silybum marianum, exhibits anti-inflammatory, immunostimulatory, and anti-oxidant properties, rendering it a viable candidate for treating psoriasis. This study aimed to investigate the effect of silymarin on imiquimod (IMQ) induced psoriasis-like skin lesions in male mice applied as a cream for seven consecutive days (1 mg per mouse). Materials and Methods: Thirty-five male mice were assigned to seven groups (n=5 per group): (I) control group, (II) IMQ group, (III-V) oral silymarin groups (30, 60, and 120 mg/kg), (VI) topical betamethasone group, and (VII) topical silymarin 2% group. Results: Silymarin, both orally and topically, significantly reduces erythema, thickness, and scaling induced by IMQ after seven days of treatment. The treatment also reversed the increase in spleen weight/body weight ratio. Immunofluorescence analysis revealed that silymarin reduced the expression of nuclear factor kappa B (NF-kappa B) (P<0.01) and toll-like receptor 4 (TLR4) (P<0.01) compared to the IMQ group. Conclusion: These findings suggest that silymarin effectively alleviates psoriasis lesions by reducing inflammation and modulating the TLR4/ NF-kappa B signaling pathway.
eu_rights_str_mv openAccess
format article
id ES_e4e0b5567c8d3cdba28ad33bb4c5d2f3
institution Conselleria de Salut i Consum del Govern de les Illes Balears
instname_str Conselleria de Salut i Consum del Govern de les Illes Balears
language eng
network_acronym_str ES
network_name_str España
oai_identifier_str oai:docusalut.com:20.500.13003/25999
publishDate 2025
publishDateSort 2025
reponame_str Docusalut
spelling Silymarin exerts antipsoriatic effects against imiquimod-induced psoriasis in mice via NF-kB/TLR4 signaling pathway Azimi, Behnaz Kiani, Amir Noori, Tayebeh Sureda, Antoni Shirooie, Samira Imiquimod Inflammation Mice Male Psoriasis Dermatology Silymarin NF-kappa B Administration, Topical Skin Antioxidants Medication Adherence Rats Inflamación Ratones Masculino Dermatología Silimarina FN-kappa B Administración Tópica Piel Antioxidantes Cumplimiento de la Medicación Ratas Male mice Objective(s): Psoriasis is an autoimmune disease that mainly affects the skin and joints, which is mediated via T-cells. Several factors contribute to its pathogenesis, including genetic and environmental triggers, as well as intrinsic immune processes that lead to an autoimmune response. Silymarin, a flavonoid complex extracted from Silybum marianum, exhibits anti-inflammatory, immunostimulatory, and anti-oxidant properties, rendering it a viable candidate for treating psoriasis. This study aimed to investigate the effect of silymarin on imiquimod (IMQ) induced psoriasis-like skin lesions in male mice applied as a cream for seven consecutive days (1 mg per mouse). Materials and Methods: Thirty-five male mice were assigned to seven groups (n=5 per group): (I) control group, (II) IMQ group, (III-V) oral silymarin groups (30, 60, and 120 mg/kg), (VI) topical betamethasone group, and (VII) topical silymarin 2% group. Results: Silymarin, both orally and topically, significantly reduces erythema, thickness, and scaling induced by IMQ after seven days of treatment. The treatment also reversed the increase in spleen weight/body weight ratio. Immunofluorescence analysis revealed that silymarin reduced the expression of nuclear factor kappa B (NF-kappa B) (P<0.01) and toll-like receptor 4 (TLR4) (P<0.01) compared to the IMQ group. Conclusion: These findings suggest that silymarin effectively alleviates psoriasis lesions by reducing inflammation and modulating the TLR4/ NF-kappa B signaling pathway. https://hdl.handle.net/20.500.13003/25999
spellingShingle Silymarin exerts antipsoriatic effects against imiquimod-induced psoriasis in mice via NF-kB/TLR4 signaling pathway
Azimi, Behnaz
Imiquimod
Inflammation
Mice
Male
Psoriasis
Dermatology
Silymarin
NF-kappa B
Administration, Topical
Skin
Antioxidants
Medication Adherence
Rats
Inflamación
Ratones
Masculino
Dermatología
Silimarina
FN-kappa B
Administración Tópica
Piel
Antioxidantes
Cumplimiento de la Medicación
Ratas
Male mice
title Silymarin exerts antipsoriatic effects against imiquimod-induced psoriasis in mice via NF-kB/TLR4 signaling pathway
title_full Silymarin exerts antipsoriatic effects against imiquimod-induced psoriasis in mice via NF-kB/TLR4 signaling pathway
title_fullStr Silymarin exerts antipsoriatic effects against imiquimod-induced psoriasis in mice via NF-kB/TLR4 signaling pathway
title_full_unstemmed Silymarin exerts antipsoriatic effects against imiquimod-induced psoriasis in mice via NF-kB/TLR4 signaling pathway
title_short Silymarin exerts antipsoriatic effects against imiquimod-induced psoriasis in mice via NF-kB/TLR4 signaling pathway
title_sort Silymarin exerts antipsoriatic effects against imiquimod-induced psoriasis in mice via NF-kB/TLR4 signaling pathway
topic Imiquimod
Inflammation
Mice
Male
Psoriasis
Dermatology
Silymarin
NF-kappa B
Administration, Topical
Skin
Antioxidants
Medication Adherence
Rats
Inflamación
Ratones
Masculino
Dermatología
Silimarina
FN-kappa B
Administración Tópica
Piel
Antioxidantes
Cumplimiento de la Medicación
Ratas
Male mice
topic_facet Imiquimod
Inflammation
Mice
Male
Psoriasis
Dermatology
Silymarin
NF-kappa B
Administration, Topical
Skin
Antioxidants
Medication Adherence
Rats
Inflamación
Ratones
Masculino
Dermatología
Silimarina
FN-kappa B
Administración Tópica
Piel
Antioxidantes
Cumplimiento de la Medicación
Ratas
Male mice
url https://hdl.handle.net/20.500.13003/25999