Li LI, Xiao-jie YIN, Li LI, et al. Pharmacokinetics of Sinapic Acid from Stir-fried Raphani Semen in Rats and Its PK-PD Correlation Analysis[J]. Chinese journal of experimental traditional medical formulae, 2020, 26(7): 109-116.
DOI:
Li LI, Xiao-jie YIN, Li LI, et al. Pharmacokinetics of Sinapic Acid from Stir-fried Raphani Semen in Rats and Its PK-PD Correlation Analysis[J]. Chinese journal of experimental traditional medical formulae, 2020, 26(7): 109-116. DOI: 10.13422/j.cnki.syfjx.20200446.
Pharmacokinetics of Sinapic Acid from Stir-fried Raphani Semen in Rats and Its PK-PD Correlation Analysis
To study the pharmacokinetics of sinapic acid from stir-fried Raphani Semen in normal rats and the correlation between pharmacokinetics-pharmacodynamics (PK-PD) in asthma rats.
Method:
2
Normal rats received 4.5
9
18 g·kg
-1
of stir-fried Raphani Semen by oral administration
respectively. Blood was taken from ophthalmic venous plexus at different time points according to the experimental design
the plasma concentration of sinapic acid was analyzed by UHPLC-MS/MS
and data analysis was performed using DAS 3.2.8 software to obtain the pharmacokinetic parameters. Rat asthma model was established by intraperitoneal injection of ovalbumin with aluminum hydroxide
and treated with ethanol extract of stir-fried Raphani Semen (low and high doses of 4.5
9 g·kg
-1
). After treatment for 3 weeks
taking blood at different time points
plasma and serum were separated. UHPLC-MS/MS was established for the determination of plasma concentration of sinapic acid
contents of interleukin-5 (IL-5)
immunoglobuin E (IgE)
tumor necrosis factor-
α
(TNF-
α
) in serum at different time points were detected by enzyme-linked immunosorbent assay (ELISA)
DAS 3.2.8 software was used for PK-PD model fitting and data analysis.
Result:
2
After normal rats were administrated with low
medium and high doses of stir-fried Raphani Semen
the peak concentration (
C
max
) of sinapic acid in plasma were (29.35±10.32)
(62.70±27.47)
(137.33±40.95) μg·L
-1
its area under the curve (AUC
0-
t
) were (92.83±27.16)
(240.74±75.09)
(633.95±195.88) μg·L
-1
·h
its peak time (
T
max
) were (2.58±0.80)
(3.00±0)
(5.50±1.23) h
respectively. Compared with the low dose group
AUC
0-
t
and mean retention time (MRT
0-
t
) were all increased in the medium and high dose groups
showing statistical differences (
P
<
0.05
P
<
0.01). The linear relationship of AUC
0-
t
in sinapic acid was good within the dose range of 4.5-18 g·kg
-1
. After treating with ethanol extract of stir-fried Raphani Semen for 0.083
0.167 h
compared with the model group of asthmatic rats
serum levels of IL-5
IgE
TNF-
α
of the medication groups were decreased to different degrees (
P
<
0.05
P
<
0.01).
C
max
of sinapic acid in the low and high dose groups were (58.43±29.94)
(61.16±18.79) μg·L
-1
its AUC
0-
t
were (188.75±37.07)
(247.90±36.89) μg·L
-1
·h
respectively. AUC
0-
t
apparent volume of distribution (
V
z
/
F
) and clearance rate (CL
z
/
F
) all increased significantly with the increase of dose. The best pharmacokinetic model of sinapic acid was fitted as a one-compartment model for extravascular administration
PK-PD model may be applicable to indirect connection model.
Conclusion:
2
The plasma concentration of sinapic acid is correlated with contents of IL-5
IgE and TNF-
α
dosage and functional state (pathological or physiological state) can affect the pharmacokinetic behavior of sinapic acid from stir-fried Raphani Semen in rats
and it has a certain correlation with the anti-asthmatic effect.
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Related Institution
Institute of Information on Traditional Chinese Medicine,China Academy of Chinese Medical Sciences
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Henan Provincial Hospital of Traditional Chinese Medicine(TCM)/Second Affiliated Hospital of Henan University of TCM
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