GONG Jia-jia,CHEN Fang,ZHANG You-ya,et al.Effect of Shao's five-needle therapy pretreatment on airway inflammatory response in asthmatic rats based on ROS/TXNIP/NLRP3 pathway[J].Chinese Acupuncture & Moxibustion,2023,43(11):1287-1292.
GONG Jia-jia,CHEN Fang,ZHANG You-ya,et al.Effect of Shao's five-needle therapy pretreatment on airway inflammatory response in asthmatic rats based on ROS/TXNIP/NLRP3 pathway[J].Chinese Acupuncture & Moxibustion,2023,43(11):1287-1292.DOI: 10.13703/j.0255-2930.20221230-k0002.
Effect of Shao's five-needle therapy pretreatment on airway inflammatory response in asthmatic rats based on ROS/TXNIP/NLRP3 pathway
's five-needle therapy pretreatment on relieving airway inflammatory response in asthmatic rats.
Methods
2
Forty SPF-grade SD rats were randomly divided into a blank group
a model group
an acupuncture group
and a medication group
with 10 rats in each group. Except the blank group
asthma model was established by aerosol inhalation of ovalbumin in the other 3 groups. The rats in the acupuncture group were treated with acupuncture at "Dazhui" (GV 14) and bilateral "Feishu" (BL 13) and "Fengmen" (BL 12)
with each session lasting for 20 min. Acupuncture was given before each motivating
once daily for 7 consecutive days. The rats in the medication group were treated with intraperitoneal injection of dexamethasone sodium phosphate solution before each motivating
once daily for 7 days. General situation of the rats was observed in each group; ELISA method was used to detect the levels of inflammatory cytokines interleukin (IL)-1β and IL-18 in serum; immunofluorescence staining method was performed to assess the expression of reactive oxygen species (ROS) in lung tissues; Western blot method was used to measure the protein expression of thioredoxin interacting protein (TXNIP)
NOD-like receptor protein 3 (NLRP3)
apoptosis-associated speck-like protein containing a CARD (ASC)
and Caspase-1 in lung tissues.
Results
2
The rats in the blank group exhibited normal behavior
while those in the model group showed signs of respiratory distress
ear scratching
cheek rubbing
and dysphoria. Compared with the model group
the rats in the acupuncture group and the medication group showed stable respiration and relatively agile responses. Compared with those in the blank group
the serum levels of IL-18 and IL-1β were elevated (
P
<
0.01)
the expression intensity of ROS was increased
and the protein expressions of TXNIP
NLRP3
ASC and Caspase-1 in lung tissues were increased (
P
<
0.01) in the model group. Compared with those in the model group
the serum levels of IL-18 and IL-1β were reduced (
P
<
0.01)
the expression intensity of ROS was lowered
and the protein expressions of TXNIP
NLRP3
ASC and Caspase-1 in lung tissues were reduced
(P
<
0.01) in the acupuncture group and the medication group. Compared with the medication group
the protein expression of ASC in lung tissue was reduced in the acupuncture group (
P
<
0.05).
Conclusion
2
Pretreatment of
Shao
's five-needle therapy could alleviate airway inflammatory response in asthmatic r
ats by reducing ROS levels and decreasing the aggregation and activation of pathway-related proteins in the ROS/TXNIP/NLRP3 pathway
ultimately leading to decreased secretion of IL-1β and IL-18. This mechanism may contribute to the effectiveness of
Shao
's five-needle therapy in preventing and treating asthma.
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