Effect and mechanism of 717 Jiedu decoction on Gloydius brevicaudus venom-induced local tissue injury by regulating macrophage phenotype transformation
|更新时间:2026-10-12
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Effect and mechanism of 717 Jiedu decoction on Gloydius brevicaudus venom-induced local tissue injury by regulating macrophage phenotype transformation
XIONG Wenxin,LUO Jianbiao,XIE Yongsheng,et al.Effect and mechanism of 717 Jiedu decoction on Gloydius brevicaudus venom-induced local tissue injury by regulating macrophage phenotype transformation[J].ZHONGGUO YAOFANG,2026,37(19):2529-2535.
XIONG Wenxin,LUO Jianbiao,XIE Yongsheng,et al.Effect and mechanism of 717 Jiedu decoction on Gloydius brevicaudus venom-induced local tissue injury by regulating macrophage phenotype transformation[J].ZHONGGUO YAOFANG,2026,37(19):2529-2535.DOI: 10.6039/j.issn.1001-0408.2026.19.08.
Effect and mechanism of 717 Jiedu decoction on Gloydius brevicaudus venom-induced local tissue injury by regulating macrophage phenotype transformation
To explore the effect and potential mechanism of 717 Jiedu decoction in ameliorating local tissue injury induced by
Gloydius brevicaudus
venom via regulating macrophage phenotype transformation.
METHODS
2
Rat blank-serum and drug-containing serum were prepared by intragastric administration of normal saline, tail-vein injection of anti-
G. brevicaudus
venom serum (0.6 mL per rat), and intragastric administration of 717 Jiedu decoction at doses of 0.495, 0.99 and 1.98 g/kg (calculated as crude drug). M0-type macrophages derived from human leukemia monocytic THP-1 cells induced and differentiated by PMA were divided into normal control group, model group, positive control group, and low-, medium- and high-concentration 717 Jiedu decoction drug-containing serum groups. Except for the normal control group, all other groups were treated with 10 μg/mL
G. brevicaudus
venom working solution and 10% blank or drug-containing serum. After the cultiv
ation period, the cellular ultrastructural changes in each group were observed; the proportions of M1- and M2-type macrophages, as well as the mRNA and protein expression of macrophage phenotype transformation and hypoxia-inducible factor-1α (HIF-1α) were detected.
RESULTS
2
Compared with the normal control group, cells in the model group presented ultrastructural injuries including mitochondrial swelling, cristae rupture and cytoplasmic vacuolization. The proportion of M1-type macrophages and the mRNA and protein expression levels of related phenotype transformation markers [inducible nitric oxide synthase, tumor necrosis factor-α, interleukin-6 (IL-6), IL-1β
]
and HIF-1α were significantly increased (
P
<0.05),whereas the proportion of M2-type macrophages and the mRNA and protein expression levels of related phenotype transformation markers (arginase-1, IL-10, mannose receptor C type 1 and chitinase-3-like protein 1) were significantly decreased (
P
<0.05). Compared with the model group, cellular ultrastructural injuries were obviously alleviated, and the above-mentioned indexes were significantly reversed in the high-concentration 717 Jiedu decoction drug-containing serum group (
P
<0.05).
CONCLUSIONS
2
717 Jiedu decoction can exert anti-inflammatory and tissue-repairing effects by regulating the balance of M1-, M2-type macrophages phenotype transformation and repairing cellular ultrastructural damage. Its mechanism may be related to inhibiting the excessive activation of the HIF-1α pathway.
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