Effects of moxibustion of "biaobenacupoint combination" on heart rate variability, atrial natriuretic peptide in the model rats of IBS-D complicated with anxiety
Study on Mechanism|更新时间:2024-06-03
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Effects of moxibustion of "biaobenacupoint combination" on heart rate variability, atrial natriuretic peptide in the model rats of IBS-D complicated with anxiety
Chinese Acupuncture & MoxibustionVol. 43, Issue 10, Pages: 1139-1147(2023)
WU Fan,LI Jia,WANG Jing-zhi,et al.Effects of moxibustion of "biaobenacupoint combination" on heart rate variability, atrial natriuretic peptide in the model rats of IBS-D complicated with anxiety[J].Chinese Acupuncture & Moxibustion,2023,43(10):1139-1147.
WU Fan,LI Jia,WANG Jing-zhi,et al.Effects of moxibustion of "biaobenacupoint combination" on heart rate variability, atrial natriuretic peptide in the model rats of IBS-D complicated with anxiety[J].Chinese Acupuncture & Moxibustion,2023,43(10):1139-1147.DOI: 10.13703/j.0255-2930.20221129-k0004.
Effects of moxibustion of "biaobenacupoint combination" on heart rate variability, atrial natriuretic peptide in the model rats of IBS-D complicated with anxiety
To compare the effects on the heart rate variability (HRV) and the expression of the atrial natriuretic peptide (ANP) in the model rats of irritable bowel syndrome with predominant diarrhea (IBS-D) rats complicated with anxiety between moxibustion of "biaoben acupoint combination" and that of "conventional acupoint combination".
Methods
2
Of 50 healthy SPF female SD rats
aged 3 months
8 rats were selected randomly as a blank group
and the rest rats were prepared to be the model of IBS-D complicated with anxiety. Twenty-four rats after successfully modeled were randomized into a model group
a conventional acupoint combination group (convention group) and a biaoben acupoint combination group (biaoben group)
8 rats in each one. In the convention group
moxibustion was delivered at "Tianshu" (ST 25)
"Zusanli"(ST 36) and "Shangjuxu"(ST 37); and in the biaoben group
moxibustion was applied to "Neiguan" (PC 6)
"Zusanli" (ST 36)
and "Guanyuan" (CV 4). One session of moxibustion took 20 min
once daily
for 14 days in total. Before and after intervention
the body mass and fecal moisture content were compared in the rats of each group; using abdominal wall withdrawal reflex
the visceral hypersensitivity was evaluated; with elevated plus maze (EPM) and light-dark box (LDB)
the anxiety conditions were assessed. After intervention
HRV was compared among groups
the ultrastructure of intestinal mucosa was observed under the transmission electron microscope in the rats of each group
and ANP expression in the myocardial tissue was detected using Western blot method and immunofluorescence.
Results
2
Before the intervention
compared with the blank group
the body mass and visceral pain threshold of rats were reduced in the model group
the convention group and the biaoben group (
P<
0.05)
fecal moisture content and AWR scores (at the dilatatio
n pressure of 40
60 and 80 mm Hg
1 mm Hg ≈ 0.133 kPa) were elevated (
P<
0.05); and time in the open arm
the open arm entry number and the total movement distance (EPM)
the time spent in the light compartment
the number of dark to light transitions and the total transition distance (LDB) were decreased (
P<
0.05). After the intervention
compared with the blank group
in the model group
the body mass
visceral pain threshold
standard diviation of NN intervals (SDNN) and root mean square of successive RR interval differences (RMSSD) were dropped (
P<
0.05)
fecal moisture content
AWR scores (the dilation pressures of 40
60 and 80 mm Hg)
LF/HF and ANP expression were increased (
P<
0.05)
the time in open arm
the open arm entry number and the total movement distance (EPM)
the time spent in the light compartment
the number of dark to light transitions and the total transition distance (LDB) were decreased (
P<
0.05). When compared with the model group
in the convention group and the biaoben group
the body mass
visceral pain threshold
SDNN and RMSSD were increased (
P<
0.05)
fecal moisture content
AWR scores (the dilation pressures of 60 and 80 mm Hg)
LF/HF and ANP expression were dropped (
P<
0.05)
the time in open arm
the open arm entry number and the total movement distance (EPM)
the time spent in the light compartment
the number of dark to light transitions and the total transition distance (LDB) were increased (
P
<
0.05). In the biaoben group
compared with the convention group
the body mass
visceral pain threshold
SDNN and RMSSD were elevated (
P<
0.05)
fecal moisture content
AWR score (the dilation pressure of 80 mm Hg)
LF/HF and ANP expression were decreased (
P<
0.05)
the time in open arm
the open arm entry number and the total movement distance (EPM)
the time spent in the light compartment
the num
ber of dark to light transitions and the total transition distance (LDB) were increased (
P
<
0.05). The epithelial cells of the intestinal mucosa showed a normal morphology in the blank group
the tight junction of the cells was disrupted and the junction was loose in the model group; the tight junction was imperfect in the convention group
but it was intact in the biaoben group.
Conclusion
2
Compared with the conventional acupoint combination
moxibustion of biaoben acupoint combination is more effective on the symptoms of IBS-D complicated with anxiety in the model rats. The effect mechanism may be related to attenuating anxiety-like negative emotions
positively regulating HRV
stabilizing IBS-D intestinal mucosal barrier and down-regulating the expression of ANP in myocardium.
Li S , Fei GJ , Fang XC , et al . Changes in enteric neurons of small intestine in a rat model of irritable bowel syndrome with diarrhea [J ] . J Neurogastroenterol Motil , 2016 , 22 ( 2 ): 310 - 320 .
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Related Author
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Related Institution
College of Acupuncture-Moxibustion and Orthopedics, Hubei University of CM, Hubei Provincial Collaborative Innovation Center of Preventive Treatment of Diseases by Acupuncture and Moxibustion
Hubei Shizhen Laboratory
Department of Acupuncture-Moxibustion, Affiliated Hospital of Hubei University of CM, Hubei Provincial Hospital of TCM
College of Acupuncture-Moxibustion, Orthopedics and Traumatology, Hubei University of CM/Hubei Provincial Collaborative Innovation Center of Disease Prevention with Acupuncture and Moxibustion