1.Herpes zoster vaccination willingness and its influencing factors in middle-aged population in Zibo City
Zhuang MIAO ; Yunxiao ZHANG ; Qinqin XU ; Xi MENG ; Yunpeng XU
Journal of Public Health and Preventive Medicine 2026;37(4):101-105
Objective To investigate the herpes zoster vaccination willingness in middle-aged population in Zibo City, and analyze its influencing factors. Methods A questionnaire survey was conducted among population aged 40-59 years in 24 streets of 8 districts and counties in Zibo City using stratified sampling method, and the willingness to vaccinate herpes zoster vaccine was statistically analyzed. The influencing factors of herpes zoster vaccination willingness in middle-aged population in Zibo City were analyzed. Results Among the 692 survey subjects, 654 cases (94.51%) were not vaccinated with herpes zoster vaccine, among which 170 cases (25.99%) were willing to be vaccinated. Multivariate logistic regression analysis showed that gender, age, education level, knowledge of herpes zoster, presence or absence of people with herpes zoster around them, knowledge of symptoms and sequelae of herpes zoster, knowledge of herpes zoster vaccine, knowledge of preventive effect of herpes zoster vaccine on herpes zoster, possible adverse reactions after vaccination, and acceptable effective rate of vaccine were the influencing factors of herpes zoster vaccination willingness in middle-aged population in Zibo City (P<0.05). Conclusion The willingness of herpes zoster vaccination is low in middle-aged population in Zibo City, and its influencing factors include gender, age, education level, herpes zoster cognition and vaccine cognition. It is necessary to strengthen the education of herpes zoster and vaccine among middle-aged population in Zibo City, and formulate promotion strategies based on individualized needs to enhance the vaccination willingness of people.
2.Effects of deep hyperthermia on immune function during postoperative adjuvant chemotherapy in patients with colorectal cancer
Lei ZHAO ; Hongbo WANG ; Wenzhi LIU ; Feng LIN ; Jian YU ; Mingjun SUN ; Baosheng YU ; Yunxiao ZHONG ; Yougang CUI ; Xu ZHANG ; Yupeng YI ; Na WANG ; Daocheng WU ; Chenyang LI ; Pan HU ; Ning FENG
Chinese Journal of Radiation Oncology 2025;34(5):461-467
Objective:To explore the effects of deep hyperthermia on chemotherapy-related adverse effects and immune-inflammatory indicators in the patients undergoing postoperative adjuvant chemotherapy for colorectal cancer.Methods:This retrospective study included 52 patients who underwent surgery for colorectal cancer at the Affiliated Zhongshan Hospital of Dalian University from September 2021 to December 2023. The patients were divided into two groups based on treatment method: the combination group ( n=29) received postoperative adjuvant chemotherapy combined with deep hyperthermia, while the chemotherapy group ( n=23) received postoperative adjuvant chemotherapy alone. Both groups were treated with the XELOX regimen (oxaliplatin + capecitabine). The degree of bone marrow suppression during treatment was assessed by analyzing peripheral blood parameters, including hemoglobin, leukocyte count, neutrophil count, and platelet count. Immune-inflammatory indicators, including complement, procalcitonin (PCT), interleukin-6 (IL-6), systemic immune-inflammation index (SII), neutrophil-to-lymphocyte ratio (NLR), and platelet-to-lymphocyte ratio (PLR), were compared before and after treatment in both groups to evaluate the effects of deep hyperthermia on the immune-inflammatory response. Chi-square test or Fisher's exact test (two-tailed) was used to compare bone marrow suppression rates, and the immune-inflammatory indicators between the two groups were compared using t-tests or non-parametric tests, depending on whether the data conformed to a normal distribution. Results:In terms of myelosuppression, the incidence rates of moderate to severe decreases in leukocytes, neutrophils, platelets, and hemoglobin in the combination group were 31%, 31%, 21%, and 14%, respectively, compared to 52%, 61%, 48%, and 9% in the chemotherapy group. The change in PCT levels before and after treatment was significantly greater in the combination group than in the chemotherapy group ( P = 0.010). Both the combination group and the chemotherapy group showed significant reductions in SII, NLR and PLR after treatment, and the differences were statistically significant (all P < 0.05). The change in NLR before and after treatment was significantly greater in the combination group than in the chemotherapy group ( P = 0.031). Conclusions:Deep hyperthermia can alleviate chemotherapy-induced adverse effects such as thrombocytopenia and neutropenia in patients undergoing postoperative adjuvant chemotherapy for colorectal cancer. It also appears to improve the inflammatory response in these patients.
3.Effect of cone beam CT registration versus intraoral scanning registration on implant accuracy in robot-assisted surgery: a study using simulated skull models
Yunxiao WANG ; Yulan WANG ; Shimin YU ; Yaoyu ZHAO ; Yufeng ZHANG ; Qi YAN
Chinese Journal of Stomatology 2025;60(8):857-862
Objective:To compare the effects of using cone beam CT (CBCT) and oral scanning registration on implant positional accuracy during robot-assisted implant surgery, and to provide a basis for selecting the appropriate registration for robot-assisted implant surgical options.Methods:One patient with dentition defect, specifically missing teeth at positions 21 and 26 and having natural teeth adjacent mesially and distally to the edentulous area, who visited the Department of Oral Implantology, School of Hospital of Stomatology Wuhan University in 2024 were selected. Based on reconstructed imaging data, 30 identical jaw models were printed. These models were divided into a CBCT registration group and an intra-oral scanning registration group (15 models per group). An associate chief physician with extensive experience in implant surgery performed preoperative registration using the implant robot and completed the implant surgeries. Postoperative CBCT scans were used to determine the three-dimensional position of the implants. The deviations between the planned implant position and the actual position were evaluated, including deviations at the implantation point, apical point, and angular deviation. The differences between the two groups were compared.Results:The implantation deviation was 0.675 (0.490) mm, apical deviation was (0.680±0.272) mm, and the angular deviation was 0.566°±0.147° in the CBCT registration group, and in the intra-oral scanning registration group, implantation deviation was 0.695 (0.313) mm, apical deviation was (0.667±0.217) mm, and the angular deviation was 0.523°±0.168°. There was no statistically significant error in implant precision between the two groups ( P>0.05). Conclusions:This in vitro experiment found that the use of intra-oral scanning registration in robot-assisted implant surgery can achieve similar implant placement accuracy as CBCT registration.
4.Multi-center clinical study on the efficacy and safety of combined lienal polypeptide injection therapy in children with Mycoplasma pneumoniae pneumonia
Qi CHENG ; Yunxiao SHANG ; Han ZHANG ; Jiujun LI ; Ning CHEN ; Lishen SHAN ; Nan YANG ; Lihua NING ; Xuemei BAI ; Jianhua LIU ; Yuling HAN ; Jichun WANG ; Jing LI ; Yong FENG ; Liyun LIU ; Li CHEN ; Si LIU ; Qinzhen ZHANG ; Jia ZHENG ; Fengchao LI ; Sukun LU ; Yun ZHANG ; Xiaoyi CHAI
International Journal of Pediatrics 2025;52(3):204-210
Objective:To observe the efficacy and safety of combined lienal polypeptide injection therapy in the treatment of Mycoplasma pneumoniae pneumonia(MPP)in children aged 3 to 14 years old in multiple clinical centers.Methods:A randomized,controlled,multi-center clinical study design was adopted.A total of 240 hospitalized children aged 3 to 14 years old with MPP from 7 hospitals from September 1,2023 to January 31,2024 were included.According to the severity of pneumonia,they were divided into the mild MPP group with 80 cases and the severe MPP/refractory MPP(SMPP/RMPP)group with 160 cases,and then randomly divided into the control group and the experimental group at a ratio of 1 ∶1,using the random number table method.After screening,subjects entered a treatment period of 5 to 7 days.The control group was treated with azithromycin,while the experimental group was treated with azithromycin plus lienal polypeptide injection .The recovery of lung CT,length of hospital stay,duration of fever,cough score,whether mild cases developed into severe or refractory cases,duration of hormone use,use of intravenous immunoglobulin(IVIG),bronchoscopy treatment,and immune function were observed between the two groups to evaluate the efficacy of lienal polypeptide injection.Adverse events after medication,vital signs,blood routine,urine routine,liver function,myocardial enzymes,renal function,and electrocardiogram were observed to evaluate the safety. Results:A total of 231 subjects have completed the trial in the 7 hospitals,including 118 cases in the experimental group and 113 cases in the control group.Main observation index:the rate of lung CT aggravation in the experimental group was lower than that in the control group(2.6% vs 15.3%, P<0.01),and the difference was statistically significant.Secondary indexes:there were no statistically significant differences in the length of hospital stay,duration of fever,cough score,duration of hormone use,whether IVIG treatment was used,the number of bronchoscopy treatment cases,and immunoglobulin between the two groups(all P>0.05).However,the rate of cases of plastic bronchitis(PB)found under bronchoscopy in the experimental group was lower than that in the control group(0 vs 18.8%, P=0.03),and the difference was statistically significant.Among the mild MPP(72 cases),there were no statistically significant differences in the length of hospital stay,duration of fever,cough score,duration of hormone use,whether IVIG treatment was used,the number of bronchoscopy treatment cases,and the improvement rate of lung CT between the two groups(all P>0.05).However,compared with the control group,the rate of cases developing into SMPP/RMPP in the experimental group was less(24.3% vs 48.6%, P=0.03),and the difference in IgG before and after treatment was small[0.53(-0.04,1.18)g/L vs 1.33(0.48,2.25)g/L, P=0.01].Among the SMPP/RMPP cases(159 cases),the rate of cases of PB found under bronchoscopy in the experimental group was less than that in the control group(0 vs 20%, P=0.04),and the rate of cases with aggravated lung CT in the experimental group was less than that in the control group(1.3% vs 19.5%, P<0.01),and the improvement rate of lung CT in the experimental group was higher than that in the control group(88.8% vs 75.3%, P=0.03),with statistically significant differences.There were no statistically significant differences in the length of hospital stay,duration of fever,cough score,duration of hormone use,whether IVIG treatment was used,the number of bronchoscopy treatment cases,and immunoglobulin between the two groups(all P>0.05).Two cases in the experimental group developed rashes,which improved after the drug was discontinued.There were no serious adverse reactions such as abnormal vital signs like dyspnea and cyanosis due to the use of lienal polypeptide injection.There were no obvious changes in blood routine,liver function,myocardial enzymes,renal function,electrocardiogram,and urine routine values before and after medication compared with the baseline. Conclusion:The combined use of lienal polypeptide injection in the treatment of MPP in children can reduce the probability of the transformation from mild cases to SMPP/RMPP,reduce the rate of aggravation of the image findings,promote the absorption of lung inflammation,reduce the rate of PB found under bronchoscopy,and has good safety.
5.Robotic-assisted radical colorectal cancer surgery with the KangDuo surgical robotic system vs . the da Vinci Xi surgical system in elderly patients: A multicenter randomized controlled trial.
Hao ZHANG ; Yuliuming WANG ; Chunlin WANG ; Yunxiao LIU ; Xin WANG ; Xin ZHANG ; Yihaoran YANG ; Junyang LU ; Lai XU ; Zhen SUN ; Zhengqiang WEI ; Yi XIAO ; Guiyu WANG
Chinese Medical Journal 2025;138(11):1384-1386
6.Establishment and Evaluation of Rat Model of Acute Myocardial Infarction in Coronary Heart Disease with Qi and Yin Deficiency Syndrome Based on Sleep Deprivation Combined with Coronary Artery Ligation
Yali SHI ; Yunxiao GAO ; Qiuyan ZHANG ; Yue YUAN ; Xiaoxiao CHEN ; Longxiao HU ; Junguo REN ; Jianxun LIU
Chinese Journal of Experimental Traditional Medical Formulae 2025;31(12):30-40
ObjectiveTo explore the construction and evaluation methods of a rat model of acute myocardial infarction(AMI) with Qi and Yin deficiency syndrome established by sleep deprivation combined with coronary artery ligation. MethodsThirty-six SD rats were randomly divided into a normal group(n=6), a myocardial infarction group(model A group, n=10), an acute sleep deprivation+myocardial infarction group(model B group, n=10), and a chronic sleep deprivation+myocardial infarction group(model C group, n=10) according to body weight. Rats in the normal group were not treated, rats in the model A group underwent only ligation of the left anterior descending coronary artery, rats in the model B group were sleep deprived for 96 h and then underwent ligation of the left anterior descending coronary artery, and rats in the model C group were sleep deprived for an additional 48 h each week with a 24 h rest period as one cycle for three weeks on the basis of the model B group. After coronary artery ligation in the model C group, the first week was defined as the starting point of the first sleep deprivation cycle, and indexes were tested weekly for rats in each group for 3 weeks. Electrocardiogram was used to determine the ligation of the left anterior descending coronary artery in rats, and small animal echocardiography was used to evaluate the cardiac function. The levels of serum creatine kinase(CK), creatine kinase isoenzyme(CK-MB), lactate dehydrogenase(LDH), cardiac troponin T(cTnT), interleukin-18(IL-18), and tumor necrosis factor-α(TNF-α) were detected by biochemical assays, and hematoxylin-eosin(HE) staining was used to evaluate the pathological changes of myocardial tissue in rats. The syndrome indicators of Qi and Yin deficiency were evaluated by general state and body weight, grip strength, facial temperature, paw temperature, rectal temperature, salivary flow rate, open field test, tongue color[red(R), green(G), and blue(B)] values, pulse amplitude changes, and enzyme-linked immunosorbent assay(ELISA) for the detection of expression levels of cyclic adenosine monophosphate(cAMP), cyclic guanosine monophosphate(cGMP), rat serum corticotropin-releasing factor(CRF), adrenocorticotropic hormone(ACTH), triiodothyronine(T3), tetraiodothyronine(T4), and corticosterone(CORT) in serum. ResultsIn terms of disease indicators, compared with the normal group, the ST segment of the electrocardiogram in each model group was significantly elevated, the echocardiographic parameters were decreased, the contents of myocardial enzymes and inflammatory factors were increased(P<0.01), and the myocardial tissue in the infarcted area was significantly damaged. In terms of syndrome indicators, compared with the normal group, the body weight of rats in the model B and C groups decreased at each time point, the grip strength of each model group decreased, the total distance traveled and the number of entries into the center in the open field test decreased, the immobility time increased, the facial and rectal temperatures of rats in the model B and C groups increased, the salivary flow rate of each model group decreased, the tongue color was bright red or light, the tongue body was dry or smooth like a mirror, lacking of moisture sensation, the R, G and B values of the tongue surface increased, the pulse amplitude changes decreased, and the contents of T3 and T4 increased, while the expressions of cAMP, CRF, ACTH and CORT in the model B and C groups increased(P<0.05, P<0.01). ConclusionContinuous sleep deprivation for 96 h in a multi-platform method combined with coronary artery ligation can construct a rat model of AMI with Qi and Yin deficiency syndrome, and the syndrome manifestations can be maintained for 3 weeks.
7.Establishment and Evaluation of Rat Model of Myocardial Ischemia-reperfusion Injury with Phlegm and Blood Stasis Blocking Collaterals Syndrome Based on Metabolomics
Longxiao HU ; Jiabei GAO ; Weihao MA ; Jieming LU ; Yunxiao GAO ; Yue YUAN ; Qiuyan ZHANG ; Xiaoxiao CHEN ; Yali SHI ; Jianxun LIU ; Junguo REN
Chinese Journal of Experimental Traditional Medical Formulae 2025;31(12):41-51
ObjectiveTo explore the feasibility, evaluation methods and metabolic differences of high-fat diet(HFD) combined with myocardial ischemia-reperfusion injury(MIRI) to establish a rat model of myocardial ischemia-reperfusion with phlegm and blood stasis blocking collaterals syndrome(PBSBCS). MethodsThirty-two SD rats were randomly divided into the sham operation, HFD, MIRI, and MIRI+HFD groups. Rats in the sham operation and MIRI groups were fed a standard diet(regular chow), while the HFD and MIRI+HFD groups received a HFD for 10 weeks. Rats in the MIRI and MIRI+HFD groups underwent myocardial ischemia-reperfusion surgery, while the sham operation group underwent only thread placement without ligation. Cardiac function was assessed via small-animal echocardiography, including left ventricular ejection fraction(EF), left ventricular fractional shortening(FS), cardiac output(CO), and stroke volume(SV). Serum levels of creatine kinase(CK), CK-MB, triglyceride(TG), total cholesterol(TC), high-density lipoprotein cholesterol(HDL-C), low-density lipoprotein cholesterol(LDL-C), lactate dehydrogenase(LDH), endothelin-1(ET-1), endothelial nitric oxide synthase(eNOS), tumor necrosis factor-α(TNF-α), interleukin-18(IL-18), oxidized LDL(ox-LDL), and cardiac troponin T(cTnT) were measured by biochemical assays and enzyme-linked immunosorbent assay(ELISA). Myocardial histopathology was evaluated via hematoxylin-eosin(HE) staining, while myocardial infarction and no-reflow area were assessed using 2,3,5-triphenyltetrazolium chloride(TTC), Evans blue, and thioflavin staining. Changes in syndrome characteristics[body weight, tongue surface red-green-blue [RGB] values, and pulse amplitude] of PBSBCS were recorded. Serum differential metabolites were analyzed by ultra-high performance liquid chromatography-quadrupole-time-of-flight mass spectrometry(UPLC-Q-TOF-MS). ResultsCompared with the sham operation group, the HFD and MIRI+HFD groups showed significant increases in body weight(P<0.01), RGB values and pulse amplitude decreased in the HFD, MIRI and MIRI+HFD groups, TC, TG, LDL-C and ox-LDL levels increased in the HFD and MIRI+HFD groups, while HDL-C decreased. Blood perfusion peak time and myocardial no-reflow area increased, serum eNOS level decreased, and CK-MB, LDH, and cTnT activities increased in the HFD, MIRI and MIRI+HFD groups(P<0.05, P<0.01). Whole blood viscosity was increased in the HFD group at medium shear rate, and in the MIRI and MIRI+HFD groups at low, medium and high shear rates(P<0.05, P<0.01). Platelet aggregation rate increased in the MIRI and MIRI+HFD groups, accompanied by elevated ET-1, TNF-α, and IL-18 levels, reduced cardiac function indices, expanded myocardial no-reflow and infarction areas, and increased serum CK, CK-MB, LDH, and cTnT activities(P<0.05, P<0.01). Compared with the MIRI group, the HFD and MIRI+HFD groups showed significant increase in body weight, TC, TG, LDL-C and ox-LDL levels, and significant decrease in HDL-C content(P<0.01). The MIRI+HFD group showed decrease in RGB values and pulse amplitude, and an increase in whole blood viscosity, platelet aggregation, blood perfusion peak time, myocardial no-reflow and infarction areas, elevated ET-1, TNF-α and IL-18 levels, decreased eNOS content, EF and SV, increased serum CK, CK-MB and cTnT activities, and worsened myocardial pathology(P<0.05). Compared with the HFD group, the MIRI+HFD group showed similar aggravated trends(P<0.05, P<0.01). Metabolomics results showed that 34 potential biomarkers involving 13 common metabolic pathways were identified in the MIRI+HFD group compared with the sham operation group. ConclusionThe MIRI group resembles blood stasis syndrome in hemodynamics and myocardial injury, and the HFD group mirrors phlegm-turbidity syndrome in lipid profiles and tongue characteristics. While the MIRI+HFD group aligns with PBSBCS in comprehensive indices, effectively simulating clinical features of coronary heart disease(CHD), which can be used for the evaluation of the pathological mechanism and pharmacodynamics of CHD with PBSBCS.
8.Establishment and Evaluation of Mouse Model of Ischemic Heart Disease with Qi and Yin Deficiency Syndrome Based on Proteomics
Qiuyan ZHANG ; Ying LI ; Yunxiao GAO ; Longxiao HU ; Yue YUAN ; Xiaoxiao CHEN ; Yali SHI ; Junguo REN
Chinese Journal of Experimental Traditional Medical Formulae 2025;31(12):52-61
ObjectiveTo explore the optimal construction method and the biological basis for establishing a mouse model of ischemic heart disease(IHD) with Qi and Yin deficiency syndrome by intraperitoneal injection of isoproterenol(ISO). MethodsA total of 144 male C57BL/6J mice were randomly assigned into three normal groups and nine model groups according to body mass, with 12 mice in each group. The model groups 1, 4, and 7 were administered ISO via intraperitoneal injection at a dose of 5 mg·kg-1·d-1 for four consecutive days, the model groups 2, 5, and 8 received ISO at a dose of 10 mg·kg-1·d-1 for seven consecutive days, while the model groups 3, 6, and 9 were given ISO at a dose of 15 mg·kg-1·d-1 for 14 consecutive days. The normal groups were administered an equivalent volume of normal saline via intraperitoneal injection. After the modeling process, body mass, 24-hour food and water intake, grip strength, and spontaneous activity of the mice were measured. Cardiac function was assessed using echocardiography, the serum levels of norepinephrine(NE), cyclic adenosine monophosphate(cAMP), and cyclic guanosine monophosphate(cGMP) were determined via enzyme-linked immunosorbent assay(ELISA). The content of adenosine triphosphate(ATP) in myocardial tissue was measured by biochemical analysis, while histopathological changes in myocardial tissue were observed via hematoxylin-eosin(HE) staining. An orthogonal experimental design was applied for intuitive analysis and variance analysis to screen the optimal modeling conditions of the mouse model of IHD with Qi and Yin deficiency syndrome. A data-dependent acquisition(DDA) proteomic technique was employed to quantitatively detect differentially expressed proteins in myocardial tissue between the optimal model group and the normal group. And bioinformatics analysis was conducted to explore the potential biological mechanisms underlying the Qi and Yin deficiency model of IHD. ResultsOrthogonal results showed that the injection cycle had a great influence on model establishment, and the optimal modeling condition was identified as intraperitoneal injection of ISO at 15 mg·kg-1·d-1 for 14 consecutive days. Under this condition, compared with the normal group, the model group demonstrated significant reductions in body mass, food intake, water intake, grip strength, total distance and average speed of exercise, ejection fraction(EF), fractional shortening(FS), serum levels of NE and cGMP, and myocardial ATP content(P<0.01), while immobility time, cAMP level, and the cAMP/cGMP value were significantly increased(P<0.05, P<0.01). HE staining results revealed that myocardial tissue in the model group had disordered cell arrangement, inflammatory cell infiltration, myocardial fiber rupture, and fibrous tissue proliferation. Proteomic analysis identified 141 differentially expressed proteins in the model group compared with the normal group, with 52 up-regulated and 89 down-regulated. Gene Ontology(GO) functional annotation and Kyoto Encyclopedia of Genes and Genomes(KEGG) pathway enrichment analysis indicated that the cellular components(CC) were mainly related to mitochondria and the inner mitochondrial membrane, the biological processes(BP) were associated with complement activation, platelet activation, and responses to metal ions, suggesting that the potential functional pathways involved the complement and coagulation cascade, as well as porphyrin metabolism. ConclusionContinuous intraperitoneal injection of ISO at a dose of 15 mg·kg-1 for 14 days successfully establishes a mouse model of IHD with Qi and Yin deficiency syndrome, and the underlying mechanisms may be related to the regulation of iron ions by complement C3, C5 and Cp, and plays a role in the regulation through the BP of complement activation, platelet activation, and responses to metal ions, and the signaling pathways of the complement and coagulation cascade and porphyrin metabolism.
9.Establishment and Evaluation of Mouse Model of Cerebral Infarction with Qi and Yin Deficiency Syndrome Based on Metabolomics
Yue YUAN ; Yunxiao GAO ; Qiuyan ZHANG ; Xiaoxiao CHEN ; Yali SHI ; Longxiao HU ; Jianxun LIU ; Junguo REN
Chinese Journal of Experimental Traditional Medical Formulae 2025;31(12):62-71
ObjectiveTo investigate the preparation method of a mouse model of cerebral infarction with Qi and Yin deficiency syndrome induced by streptozotocin(STZ) combined with the photochemical method, and to evaluate the biological basis of the established model. MethodsForty C57B6/J mice were randomly divided into the normal and model groups, with 20 mice in each group. The normal group received no treatment, while the model group was injected intraperitoneally with 55 mg·kg-1 of STZ once a day for 5 days. Fourteen days post-STZ induction, 10 mice from the normal group were randomly taken into the photochemical group, while 10 mice from the model group were randomly taken into the STZ+photochemical group. Rose Bengal solution injection combined with 520 nm laser irradiation was used to cause thrombosis and induce cerebral infarction in mice. Syndrome indexes for Qi and Yin deficiency were assessed by general state observation, body weight, grip strength, rectal temperature, behavioral experiments, energy metabolism, tongue color[red(R), green(G), blue(B)] values, adenosine triphosphate(ATP) content, corticotropin-releasing factor(CRF) and triiodothyronine(T3) levels. The pathological changes of cerebral infarction in mice were evaluated by detecting serum superoxide dismutase(SOD), interleukin-1β(IL-1β), IL-6, and tumor necrosis factor-α(TNF-α) levels in combination with Bederson score. Finally, the endogenous metabolites in mice were detected by ultra-high performance liquid chromatography-quadrupole-time-of-flight mass spectrometry(UPLC-Q-TOF-MS), and multivariate statistical analysis was performed by partial least squares-discriminant analysis(PLS-DA) and orthogonal partial least squares-discriminant analysis(OPLS-DA). The data filtering criteria were set as variable importance in the projection(VIP) value> 1, fold change(FC)<0.8 or FC>1.2, P<0.05, to obtain differential metabolites. Then MetaboAnalyst 3.0 was utilized for pathway enrichment analysis of the differential metabolites, aiming to explore the metabolic profile changes and biological basis of mice with Qi and Yin deficiency syndrome of cerebral infarction. ResultsRegarding the syndrome indicators, compared with the normal group, the mice in the model group had lower body weight, higher rectal temperature, lower limb motor ability and energy metabolism efficiency, lower ATP content, lower R, G and B values of the tongue surface, and lower speed of blood glucose regression(P<0.05, P<0.01). As for the disease indicators, compared with the normal group, the Bederson scores of the photochemical group and the STZ+photochemical group increased, the grip strength decreased, the SOD level decreased, and the levels of inflammatory factors increased(P<0.05). The results of metabolomics showed that a good separation pattern of components was observed among mice in each group, with significant differences in components. Identification of MS data revealed a total of 44 differential metabolites in mice with Qi and Yin deficiency syndrome of cerebral infarction. Among them, 32 metabolites were up-regulated, mainly including triglycerides, diglycerides, phospholipids, and ceramides. And 12 metabolites were down-regulated, mainly including amino acid and phosphate metabolites. Pathway enrichment analysis of the above differential metabolites indicated that the metabolic pathways were mainly enriched in folate biosynthesis, terpenoid skeleton biosynthesis, glycerophospholipid metabolism, vitamin B6 metabolism, glycerolipid metabolism and sphingolipid metabolism. These pathways were involved in multiple processes such as lipid transport, insulin resistance, and energy metabolism. ConclusionThe method of STZ injection combined with photochemical induction can successfully establish a mouse model of cerebral infarction with Qi and Yin deficiency syndrome, and intervene in vivo processes such as folate biosynthesis, glycerophospholipid metabolism, and glycerolipid metabolism.
10.Establishment and Evaluation of Rat Model of Acute Myocardial Infarction in Coronary Heart Disease with Qi and Yin Deficiency Syndrome Based on Sleep Deprivation Combined with Coronary Artery Ligation
Yali SHI ; Yunxiao GAO ; Qiuyan ZHANG ; Yue YUAN ; Xiaoxiao CHEN ; Longxiao HU ; Junguo REN ; Jianxun LIU
Chinese Journal of Experimental Traditional Medical Formulae 2025;31(12):30-40
ObjectiveTo explore the construction and evaluation methods of a rat model of acute myocardial infarction(AMI) with Qi and Yin deficiency syndrome established by sleep deprivation combined with coronary artery ligation. MethodsThirty-six SD rats were randomly divided into a normal group(n=6), a myocardial infarction group(model A group, n=10), an acute sleep deprivation+myocardial infarction group(model B group, n=10), and a chronic sleep deprivation+myocardial infarction group(model C group, n=10) according to body weight. Rats in the normal group were not treated, rats in the model A group underwent only ligation of the left anterior descending coronary artery, rats in the model B group were sleep deprived for 96 h and then underwent ligation of the left anterior descending coronary artery, and rats in the model C group were sleep deprived for an additional 48 h each week with a 24 h rest period as one cycle for three weeks on the basis of the model B group. After coronary artery ligation in the model C group, the first week was defined as the starting point of the first sleep deprivation cycle, and indexes were tested weekly for rats in each group for 3 weeks. Electrocardiogram was used to determine the ligation of the left anterior descending coronary artery in rats, and small animal echocardiography was used to evaluate the cardiac function. The levels of serum creatine kinase(CK), creatine kinase isoenzyme(CK-MB), lactate dehydrogenase(LDH), cardiac troponin T(cTnT), interleukin-18(IL-18), and tumor necrosis factor-α(TNF-α) were detected by biochemical assays, and hematoxylin-eosin(HE) staining was used to evaluate the pathological changes of myocardial tissue in rats. The syndrome indicators of Qi and Yin deficiency were evaluated by general state and body weight, grip strength, facial temperature, paw temperature, rectal temperature, salivary flow rate, open field test, tongue color[red(R), green(G), and blue(B)] values, pulse amplitude changes, and enzyme-linked immunosorbent assay(ELISA) for the detection of expression levels of cyclic adenosine monophosphate(cAMP), cyclic guanosine monophosphate(cGMP), rat serum corticotropin-releasing factor(CRF), adrenocorticotropic hormone(ACTH), triiodothyronine(T3), tetraiodothyronine(T4), and corticosterone(CORT) in serum. ResultsIn terms of disease indicators, compared with the normal group, the ST segment of the electrocardiogram in each model group was significantly elevated, the echocardiographic parameters were decreased, the contents of myocardial enzymes and inflammatory factors were increased(P<0.01), and the myocardial tissue in the infarcted area was significantly damaged. In terms of syndrome indicators, compared with the normal group, the body weight of rats in the model B and C groups decreased at each time point, the grip strength of each model group decreased, the total distance traveled and the number of entries into the center in the open field test decreased, the immobility time increased, the facial and rectal temperatures of rats in the model B and C groups increased, the salivary flow rate of each model group decreased, the tongue color was bright red or light, the tongue body was dry or smooth like a mirror, lacking of moisture sensation, the R, G and B values of the tongue surface increased, the pulse amplitude changes decreased, and the contents of T3 and T4 increased, while the expressions of cAMP, CRF, ACTH and CORT in the model B and C groups increased(P<0.05, P<0.01). ConclusionContinuous sleep deprivation for 96 h in a multi-platform method combined with coronary artery ligation can construct a rat model of AMI with Qi and Yin deficiency syndrome, and the syndrome manifestations can be maintained for 3 weeks.


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