Li-li XU, Li-zhi SHANG, Bo-yu WANG, et al. Effect of Modified Erchentang on Expression of IL-19, IL-20R1, IL-20R2 in Bronchioles of Rats with Chronic Obstructive Pulmonary Disease[J]. Chinese journal of experimental traditional medical formulae, 2019, 25(23): 41-47.
DOI:
Li-li XU, Li-zhi SHANG, Bo-yu WANG, et al. Effect of Modified Erchentang on Expression of IL-19, IL-20R1, IL-20R2 in Bronchioles of Rats with Chronic Obstructive Pulmonary Disease[J]. Chinese journal of experimental traditional medical formulae, 2019, 25(23): 41-47. DOI: 10.13422/j.cnki.syfjx.20192338.
Effect of Modified Erchentang on Expression of IL-19, IL-20R1, IL-20R2 in Bronchioles of Rats with Chronic Obstructive Pulmonary Disease
To observe the effect of modified Erchentang on the expression of interleukin-19 (IL-19)
interleukin-20 (IL-20)and their receptor IL-20R
1
IL-20R
2
in bronchioles of rats with chronic obstructive pulmonary disease (COPD)
and to explore the molecular mechanism of modified Erchentang on anti-inflammatory of COPD.
Method:
2
The model of rat with COPD was established by cigarette smoke combined with lipopolysaccharide (LPS). The experimental rats were randomly divided into 6 groups: normal group
model group
modified Erchentang high
medium and low dose group
and Jizhitangjiang group. Normal group and model group fed with normal saline 4 mL·d
-1
modified Erchentang high
middle
low dosage group(20
10
5 g·kg
-1
·d
-1
). The dosage of Jizhitangjiang group was 12 g·kg
-1
·d
-1
all groups were given intragastric administration for 14 days
twice a day. To observe the general situation of rats.To evaluate the pulmonary function of rats. To detect the contents of IL-10
IL-19 and IL-20 in serum by enzyme-linked immunosorbent assay (ELISA). To observe the pathological changes of bronchiole tissue by light microscopy.To detect the expression of IL-20R
1
and IL-20R
2
in bronchiole tissue by immunohistochemistry.
Result:
2
Compared with normal group
peak expiratory flow(PEF)
forced expiratory volume in one second(FEV
1
)
forced vital capacity (FVC)
and FEV
1
/FVC in model group were significantly increased (
P
<
0.05)
the content of IL-19
IL-20 in serum significantly increased(
P
<
0.05)
the content of IL-10 in serum was significantly decreased (
P
<
0.05)
the expression of IL-20R
1
and in bronchioles tissue significantly increased (
P
<
0.05). Compared with model group
the PEF
FEV
1
FVC
FEV
1
/FVC of Jizhitangjiang group
modified Erchentang high
medium and low dosage group were significantly increased(
P
<
0.05). The content of IL-19
IL-20 in serum significantly decreased(
P
<
0.05)
the content of IL-10 in serum was significantly increased (
P
<
0.05)
the expression of IL-20R
1
and IL-20R
2
in bronchioles tissue was significantly decreased (
P
<
0.05).
Conclusion:
2
Modified Erchentang can improve the lung function and protect the tissue structure of bronchioles in COPD rats
which may be related to the inhibition of the expression of IL-19
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Related Institution
Henan University of Chinese Medicine
Henan Provincial Second People's Hospital
Shuguang Hospital Affiliated to Shanghai University of TCM
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