Review Article

Liver Fibrosis and Mechanisms of the Protective Action of Medicinal Plants Targeting Inflammation and the Immune Response

Table 1

Anti-inflammatory properties of medicinal plants observed in animals treated with acute administration of a hepatotoxic agent.

PlantsBioactive compounds and/or extractsAnimals usedHepatotoxic agentsAnti-inflammatory mechanisms

C. longa CurcuminMale BALB/c mice [86]ConA↓TNF-α, ↓IFN-γ, ↓IL-4, ↓ICAM-1, ↓CXCL10, and ↓CD4+
Male BALB/c mice [91]ConA↓TNF-α, ↓IFN-γ, ↑IL-10, ↑TLR2, ↑TLR4, ↑TLR9, and ↓Kupffer cells
Male C57BL/6 mice [73]ConA↓TNF-α, ↓IFN-γ, and ↓HMGB1
Male BALB/c mice [74]ConA↓HMGB1, ↓TNF-α, ↓IL-1β, and ↓IL-6

S. marianum SilymarinMale C57BL/6 mice [132]Ethanol↓TNF-α

G. biloba EGBMale Wistar rats [133]CCl4↓TNF-α and ↓IL-6

S. miltiorrhiza PolysaccharidesKunming mice [105]LPS + BCG↓NF-κB, ↑PRDX6, and ↓iNOS
Sodium tanshinone IIA sulfonateMale C57BL/6 mice [89]ConA↓TNF-α, ↓IFN-γ, ↓CXCL10, ↓MIP-1α, ↓RANTES, ↓STAT1, ↓NF-κB, and ↑IκBα
Tanshinone IIAMale Kunming mice [103]ConA↑CD3+, ↑CD4+, ↑CD8+, ↓IL-2, ↓IL-4, ↓IFN-γ, ↓TNF-α, and ↑IL-10
Salvianolic acid AMale SD rats [134]CCl4↓TNF-α

G. glabra GlycyrrhizinMale C57BL/6 (H-2b) mice [135]ConA↑IL-10
Male ICR mice [128]CCl4↓TNF-α, ↓iNOS, ↓COX-2, and ↑HO-1
Male BALB/c mice [136]LPS + D-GalN↓IL-18
Male BALB/c mice [92]ConA↓iNOS, ↓neutrophils, and ↓macrophages
Male SD rats [75]I/R↓HMGB1

S. baicalensis BaicalinMale BALB/c mice [137] ConA↓TNF-α, ↓IL-6, and ↓IFN-γ
Male ICR mice [129]CCl4↓TNF-α, ↓iNOS, and ↑HO-1
BALB/c mice [106]LPS + D-GalN and TNF-α + D-GalN↓TNF-α, ↓NF-κB p65, and ↑HO-1
Male SD rats [107]I/R↓TNF-α, ↓IL-6, ↓iNOS, ↓COX-2, ↑HO-1, ↓NF-κB p65, and ↑IκBα

Phyllanthus speciesEthanolic extract of fruits from P. emblica Male Wistar rats [138]Ethanol↓IL-1β
P. urinaria koreanis C57BL/6 mice [108]MCD↓TNF-α, ↓IL-6, ↓p-JNK, and ↓NF-κB p65
Ethanolic extract of P. rheedii Wistar rats [139]D-GalN↓TNF-α
Aqueous extract of P. amarus Male Wistar rats [140]Ethanol↓TNF-α

B. aristata BerberineMale BALB/c mice [141]CCl4↓TNF-α, ↓iNOS, and ↓COX-2

P. kurroa PicrolivMale SD rats [93]I/R↓IL-1α, ↓IL-1β, and ↓neutrophils

Ginseng species20(S)-ginsenoside Rg3 Male Wistar rats [109]LPS↓NF-κB p65, ↓iNOS, ↓COX-2, and ↑HO-1
Ginsenoside RdMale ICR mice [142]LPS↓iNOS and ↓COX-2
Ginsenoside Rg1Male C57BL/6 mice [87]ConA↓TNF-α, ↓IFN-γ, ↓IL-6, ↓NF-κB, ↑IκBα, ↓NF-κB p65, ↓CD4+, ↓CD8+, ↓ICAM-1, and ↓CXCL10

A. paniculata andrographolideMale C57BL/6 mice [94]CCl4↓TNF-α, ↑HO-1, and ↓lymphocytes

CoffeespeciesCaffeine, nicotinic acid, and nonsubstituted pyrazinoic acidMale Wistar rats [143]LPS + D-GalN↓TNF-α and ↑IL-10
Chlorogenic acidMale SD rats [76]I/R↓TNF-α, ↓iNOS, ↓COX-2, ↑HO-1, ↑Nrf2, ↓NF-κB p65, ↓HMGB1, ↓IRF-1, and ↓TLR4

Note: : inhibitory effect, : inductor effect, BCG: Bacille Calmette-Guérin, CCl4: carbon tetrachloride, CD3+: cluster of differentiation 3 T-lymphocytes, CD4+: cluster of differentiation 4 T-lymphocytes, CD8+: cluster of differentiation 8 T-lymphocytes, ConA: concanavalin, COX-2: cyclooxygenase-2, CXCL10: interferon gamma-induced protein-10, D-GalN: D-galactosamine, EGB: G. biloba extract, standardized extract of the leaves of G. biloba, a mixture mainly composed of flavonoid glycosides (24%) and terpenoides (6%), including ginkgolides and bilobalide, HMGB1: high mobility group protein B1, HO-1: heme oxygenase-1, I/R: ischemia/reperfusion, IκBα: IkappaBalpha (NF-κB inhibitor), ICAM-1: intracellular adhesion molecule-1, IFN-γ: interferon gamma, IL: interleukin, iNOS: inducible nitric oxide synthase, IRF-1: interferon regulatory factor 1, LPS: lipopolysaccharides, MCD: methionine and choline deficient diet, MIP-1α: macrophage inflammatory protein-1 alpha, NF-κB: nuclear factor kappaB, NF-κB p65: p65 subunit of nuclear factor kappaB, Nrf2: nuclear factor erythroid 2-related factor 2, p-JNK: phosphorylated c-Jun N-terminal kinases, PRDX6: peroxiredoxin 6, RANTES: regulated on activation, normal T cell expressed and secreted, SD: Sprague-Dawley, STAT1: signal transducers and activators of transcription 1, TLR: Toll-like receptor, and TNF-α: tumor necrosis factor alpha.