Ulcerative colitis（UC） is a chronic non-specific inflammatory bowel disease characterized by inflammation and ulceration of the colonic mucosa and submucosa， and its complex pathogenesis involves immune abnormality， oxidative stress and other factors. The nuclear transcription factor E₂-related factor 2（Nrf2）， encoded by the Nfe212 gene， plays a central role in antioxidant responses. It not only activates various antioxidant response elements such as heme oxygenase-1（HO-1） and quinone oxidoreductase 1（NQO1）， but also enhances the activity of glutathione-S-transferase（GST） and superoxide dismutase 1（SOD1）， effectively eliminating reactive oxygen species（ROS） accumulated in the body， and mitigating oxidative stress-induced damage to intestinal mucosa. In addition， Nrf2 can reduce the release of inflammatory factors and infiltration of immune cells by regulating immune response， cell apoptosis and autophagy pathways， thereby alleviating intestinal inflammation and promoting the repair and regeneration of damaged mucosa. Based on this， this paper reviews the research progress of Chinese materia medica in the prevention and treatment of UC by modulating the Nrf2 signaling pathway. It deeply explores the physiological role of Nrf2， the molecular mechanism of activation， the protective effect in the pathological process of UC， and how active ingredients in Chinese materia medica regulate the Nrf2 signaling pathway through multiple pathways to exert their potential mechanisms. These studies have revealed in depth that Chinese materia medica can effectively combat oxidative stress by regulating the Nrf2 signaling pathway. It can also play a role in anti-inflammatory， promoting autophagy， inhibiting apoptosis， protecting the intestinal mucosal barrier， and promoting intestinal mucosal repair， providing new ideas and methods for the multi-faceted treatment of UC.

BackgroundAtypical antipsychotics have been widely used in patients with chronic schizophrenia， and aripiprazole and risperidone are the most commonly used drugs. The mechanism of action of the two is different， while previous studies have provided insufficient credible evidence from multiple perspectives to support the comparative efficacy of the two drugs in improving symptoms in patients with chronic schizophrenia. ObjectiveTo compare the efficacy of aripiprazole and risperidone on the improvement of symptoms， prepulse inhibition （PPI）， cognitive functioning and neurotrophic factors in patients with chronic schizophrenia， so as to provide effective treatment regimens for these patients. MethodsA total of 86 patients with chronic schizophrenia attending the psychiatry department of the Third People's Hospital of Fuyang from March 2021 to March 2023 and fulfilling the diagnostic criteria of International Classification of Diseases， tenth edition （ICD-10） were enrolled and grouped using random number table method， each with 43 cases. Aripiprazole group was given oral aripiprazole once daily at an initial dose of 5 mg for one week and then gradually increased to a maximum dose of 25 mg. Risperidone group received oral risperidone twice daily at an initial dose of 0.5 mg for one week and then gradually increased to a maximum dose of 3 mg. Treatment in both groups lasted 3 months. Before treatment and 3 months after treatment， Patients were required to complete Positive and Negative Symptom Scale （PANSS）， detection of both strong and weak PPIs in a startle modification passive attention paradigm， Wisconsin Card Sorting Test （WCST） and the measurement of neurotrophic factors at baseline and after treatment. The adverse reactions were recorded. Analysis of covariance was used to test the difference between the PANSS score， PPI， WCST and neurotrophic factor levels of the groups， with the pretest used as the covariate. Results3 months after treatment， no statistical difference was found in the scores of PANSS general psychopathology subscale， positive symptom subscale， negative symptom subscale and total score between two groups after treatment （F=0.621， 0.815， 0.743， 0.752， P>0.05）. There were no statistically significant differences between the two groups in PPI inhibition rate， single intense stimulus amplitude， single intense stimulus latency， prepulse inhibition amplitude， or prepulse inhibition latency （F=0.174， 0.001， 0.183， 0.171， 0.001， P>0.05）. There was no statistically significant difference in the total number of WCST tests between two groups （F=0.512， P>0.05）， whereas aripiprazole group reported significantly larger total numbers of categories completed and correct responses as well as smaller total numbers of random errors and perseverative errors compared to risperidone group （F=3.737， 4.621， 4.892， 5.130， P<0.05）. A significant increase in brain-derived neurotrophic factor （BDNF） and nerve growth factor （NGF） along with a reduction in glial fibrillary acidic protein （GFAP） were documented in risperidone group when compared to risperidone group （F=4.414， 3.781， 6.319， P<0.05）. No significant difference was demonstrated in the incidence of adverse reactions between the two groups （χ²=0.261， P>0.05）. ConclusionAripiprazole may be more beneficial than risperidone in improving cognitive functioning and neurotrophic factor levels in patients with chronic schizophrenia. ［Funded by Scientific Research Project of Fuyang Municipal Health Commission in 2021 （number， FY2021-147）］

The incomplete degradation of tumour cells by macrophages (Mϕ) is a contributing factor to tumour progression and metastasis, and the degradation function of Mϕ is mediated through phagosomes and lysosomes. In our preliminary experiments, we found that overactivation of NADPH oxidase 2 (NOX2) reduced the ability of Mϕ to degrade engulfed tumour cells. Above this, we screened out liquiritin from Glycyrrhiza uralensis Fisch, which can significantly inhibit NOX2 activity and inhibit tumours, to elucidate that suppressing NOX2 can enhance the ability of Mϕ to degrade tumour cells. We found that the tumour environment could activate the NOX2 activity in Mϕ phagosomes, causing Mϕ to produce excessive reactive oxygen species (ROS), thus prohibiting the formation of phagolysosomes before degradation. Conversely, inhibiting NOX2 in Mϕ by liquiritin can reduce ROS and promote phagosome-lysosome fusion, therefore improving the enzymatic degradation of tumour cells after phagocytosis, and subsequently promote T cell activity by presenting antigens. We further confirmed that liquiritin down-regulated the expression of the NOX2 specific membrane component protein gp91 phox, blocking its binding to the NOX2 cytoplasmic component proteins p67 phox and p47 phox, thereby inhibiting the activity of NOX2. This study elucidates the specific mechanism by which Mϕ cannot degrade tumour cells after phagocytosis, and indicates that liquiritin can promote the ability of Mϕ to degrade tumour cells by suppressing NOX2.

After experiencing acute cardiac adverse events,the patients with heart disease often have an excessive fear of exercise due to fear of pain or reinjury,and avoid exercise training,resulting in a high inci-dence of exercise fear.However,excessive avoidance of exercise training by patients is likely to result in poor prognosis outcome.The latest research confirms that cardiac rehabilitation can effectively reduce the level of exercise fear in the patients with heart disease.Therefore,this article reviews the research progress on cardiac rehabilitation reducing the exercise fear in the patients with heart disease to provide reference for future re-search on the cardiac rehabilitation in treating the exercise fear of the patients with heart disease in our coun-try.

Objective:To evaluate the effects of acupuncture combined with Tongbi Yinao Decoction in the treatment of isolated vertigo due to posterior circulation ischemia.Methods:A total of 78 elderly patients with isolated vertigo due to posterior circulation ischemia who were admitted to the Traditional Chinese Medicine Rehabilitation Department of Meishan People's Hospital from February 2019 to February 2022 were selected as the study subjects. They were divided into two groups by open randomized parallel control trail method, with 39 cases in each group. The control group was given conventional Western medicine treatment and oral administration of flunarizine hydrochloride capsules. On this basis, the observation group was treated with acupuncture combined with Tongbi Yinao Decoction. Both groups received 2 months of treatment. TCM syndrome scores before and after treatment were recorded. The Mini Mental State Examination (MMSE) was used to evaluate the patients' intelligence level. Transcranial Doppler ultrasound was used to detect blood flow velocity of the basilar artery, left vertebral artery and right vertebral artery. The blood rheometer was used to detect plasma viscosity, whole blood low shear viscosity and whole blood high shear viscosity. Adverse reactions that occurred during treatment were recorded, and clinical efficacy was evaluated.Results:The total effective rates in the observation group and the control group were 94.87% (37/39) and 76.92% (30/39), with statistical significance ( χ2=5.19, P=0.023). After treatment, the observation group in terms of vertigo and dizziness (1.05±0.12 vs. 2.14±0.74, t=9.08), chest distress and nausea (0.97±0.10 vs. 2.06±0.61, t=11.01), cyanosis of lip and nail (1.07±0.88 vs. 2.55±0.70, t=8.22), scaly dry skin (0.85±0.22 vs. 2.02±0.84, t=8.42) and the total score (3.94±1.32 vs. 8.77±2.89, t=9.49) were lower than those in the control group ( P<0.01). The MMSE score (26.39±2.20 vs. 24.20±2.37, t=4.01) was higher than that of the control group ( P<0.01). After treatment, blood flow velocity of the basilar artery [(37.55±3.61) cm/s vs. (33.50±2.96) cm/s, t=5.42], left vertebral artery [(34.27±4.87) cm/s vs. (30.58±3.74) cm/s, t=3.75] and right vertebral artery [(38.74±5.21) cm/s vs. (35.17±4.54) cm/s, t=3.23] in the observation group were higher than those in the control group ( P<0.01); The plasma viscosity [(1.32±0.19) mPa?s vs. (1.45±0.21) mPa?s, t=20.28], whole blood low shear viscosity [(8.71±0.35) mPa?s vs. (8.97±0.38) mPa?s, t=3.14] and whole blood high shear viscosity [(5.41±0.39) mPa?s vs. (5.92±0.43) mPa?s , t=5.49] were lower than those in the control group ( P<0.01). During treatment, the incidence rates of adverse reactions in the observation group and the control group were 28.2% (11/39) and 20.5% (8/39), without statistical significance ( χ2=0.63, P=0.429). Conclusion:Acupuncture combined with Tongbi Yinao Decoction can effectively maintain hemodynamics and cerebral blood flow of patients with isolated vertigo due to posterior circulation ischemia, and improve clinical efficacy, with good safety.

Objective:To explore the mechanism of Jianpi Qingchang Decoction in the treatment of UC by integrating network pharmacology, bioinformatics, molecular docking and experimental verification.Methods:The effective components and targets of Jianpi Qingchang Decoction were obtained from TCMSP database, and UC data sets GSE16879, GSE48958 and GSE75214 were obtained from GEO database, and differentially expressed genes were screened; intersection targets were obtained through Venn diagram, and GO function and KEGG pathway enrichment analysis was performed. An intersection target PPI network was constructed using STRING database and topology analysis was performed; hub genes were screened through lasso regression and the expression consistency of core targets in the dataset was verified through logistic regression. A UC mouse model was established and hub genes were validated.Results:A total of 213 drug targets of Jianpi Qingchang Decoction were obtained, and 499 common intersection targets of GSE16879, GSE48958 and GSE75214 were obtained by differential gene expression analysis. Thirty intersection targets of Jianpi Qingchang Decoction and UC were obtained, mainly acting on IL-17 signaling pathway, TNF signaling pathway, AGE-RAGE signaling pathway in diabetic complications, etc. PPI network topology analysis obtained 7 common intersection targets, including PTGS2, IL-1B, IL-6, MMP9, CXCL8, CCL2 and MMP2. IL-6 and MMP2 were selected as hub genes by lasso regression. Logistics regression analysis showed that IL-6 and MMP2 were risk factors for the disease. Compared with the model group, the expressions of IL-6 and MMP2 mRNA and protein in the colon tissue of the TCM group decreased ( P<0.05), and the morphology of colon tissue was improved compared with the model group. Conclusion:IL-6 and MMP2 are risk factors for UC, the therapeutic effect of Jianpi Qingchang Decoction is to mediate Il-17 signal pathway, TNF signal pathway and AGE-RAGE signal pathway in diabetic complications through the targets of IL-6, and MMP2, thereby treating UC.

Objective:To investigate the effects of cerium oxide nanoenzyme-gelatin methacrylate anhydride (GelMA) hydrogel (hereinafter referred to as composite hydrogel) in the repair of infected full-thickness skin defect wounds in mice.Methods:This study was an experimental study. Cerium oxide nanoenzyme with a particle size of (116±9) nm was prepared by hydrothermal method, and GelMA hydrogel with porous network structure and good gelling performance was also prepared. The 25 μg/mL cerium oxide nanoenzyme which could significantly promote the proliferation of human skin fibroblasts and had high superoxide dismutase activity was screened out. It was added to GelMA hydrogel to prepare composite hydrogel. The percentage of cerium oxide nanoenzyme released from the composite hydrogel was calculated after immersing it in phosphate buffer solution (PBS) for 3 and 7 d. The red blood cell suspension of mice was divided into PBS group, Triton X-100 group, cerium oxide nanoenzyme group, GelMA hydrogel group, and composite hydrogel group, which were treated with corresponding solution. The hemolysis of red blood cells was detected by microplate reader after 1 h of treatment. The bacterial concentrations of methicillin-resistant Staphylococcus aureus (MRSA) and Escherichia coli were determined after being cultured with PBS, cerium oxide nanoenzyme, GelMA hydrogel, and composite hydrogel for 2 h. The sample size in all above experiments was 3. Twenty-four 8-week-old male BALB/c mice were taken, and a full-thickness skin defect wound was prepared in the symmetrical position on the back and infected with MRSA. The mice were divided into control group without any drug intervention, and cerium oxide nanoenzyme group, GelMA hydrogel group, and composite hydrogel group applied with corresponding solution, with 6 mice in each group. The wound healing was observed on 3, 7, and 14 d after injury, and the remaining wound areas on 3 and 7 d after injury were measured (the sample size was 5). The concentration of MRSA in the wound exudation of mice on 3 d after injury was measured (the sample size was 3), and the blood flow perfusion in the wound of mice on 5 d after injury was observed using a laser speckle flow imaging system (the sample size was 6). On 14 d after injury, the wound tissue of mice was collected for hematoxylin-eosin staining to observe the newly formed epithelium and for Masson staining to observe the collagen situation (the sample size was both 3). Results:After immersion for 3 and 7 d, the release percentages of cerium oxide nanoenzyme in the composite hydrogel were about 39% and 75%, respectively. After 1 h of treatment, compared with that in Triton X-100 group, the hemolysis of red blood cells in PBS group, GelMA hydrogel group, cerium oxide nanoenzyme group, and composite hydrogel group was significantly decreased ( P<0.05). Compared with that cultured with PBS, the concentrations of MRSA and Escherichia coli cultured with cerium oxide nanoenzyme, GelMA hydrogel, and composite hydrogel for 2 h were significantly decreased ( P<0.05). The wounds of mice in the four groups were gradually healed from 3 to 14 d after injury, and the wounds of mice in composite hydrogel group were all healed on 14 d after injury. On 3 and 7 d after injury, the remaining wound areas of mice in composite hydrogel group were (29±3) and (13±5) mm 2, respectively, which were significantly smaller than (56±12) and (46±10) mm 2 in control group and (51±7) and (38±8) mm 2 in cerium oxide nanoenzyme group (with P values all <0.05), but was similar to (41±5) and (24±9) mm 2 in GelMA hydrogel group (with P values both >0.05). On 3 d after injury, the concentration of MRSA on the wound of mice in composite hydrogel group was significantly lower than that in control group, cerium oxide nanoenzyme group, and GelMA hydrogel group, respectively (with P values all <0.05). On 5 d after injury, the volume of blood perfusion in the wound of mice in composite hydrogel group was significantly higher than that in control group, cerium oxide nanoenzyme group, and GelMA hydrogel group, respectively ( P<0.05). On 14 d after injury, the wound of mice in composite hydrogel group basically completed epithelization, and the epithelization was significantly better than that in the other three groups. Compared with that in the other three groups, the content of collagen in the wound of mice in composite hydrogel group was significantly increased, and the arrangement was also more orderly. Conclusions:The composite hydrogel has good biocompatibility and antibacterial effect in vivo and in vitro. It can continuously sustained release cerium oxide nanoenzyme, improve wound blood perfusion in the early stage, and promote wound re-epithelialization and collagen synthesis, therefore promoting the healing of infected full-thickness skin defect wounds in mice.

OBJECTIVE To observe the clinical efficacy of Huatan Tongluo Decoction in the treatment of post-stroke cognitive impairment(PSCI)with phlegm stasis obstructing collaterals syndrome,and its influence on the serum brain-derived neurotrophic fac-tor(BDNF)pathway-related factors.METHODS Sixty patients who met the inclusion criteria were collected and randomly divided into a control group and a treatment group with 30 patients each.The control group was given basic treatment and nimodipine,while the treatment group was given Huatan Tongluo Decoction on the basis of the treatment in the control group.The treatment course for both groups was 4 weeks.Changes in Mini-Mental State Examination(MMSE),TCM syndrome scores and serum levels of BDNF,nuclear transcription factor κB(NF-κB),B lymphocyte tumor-2(Bcl-2)and Bcl-2-associated X protein(Bax)were compared between the two groups before and after treatment.The TCM clinical efficacy in the two groups of patients was evaluated after treatment,and the oc-currence of adverse reactions was observed during treatment.RESULTS After treatment,the MMSE scores of the patients in the two groups increased significantly,the total TCM syndrome scores decreased significantly(P<0.01),and the treatment group was better than the control group(P<0.01);the serum BDNF,NF-κB,and Bcl-2 levels of the two groups of patients were significantly in-creased(P<0.05,P<0.01),and the Bax level was significantly decreased(P<0.01).The treatment group was better than the control group(P<0.01).CONCLUSION Huatan Tongluo Decoction can improve the clinical symptoms of PSCI patients with phlegm stasis obstructing collaterals,and is safe and effective.Its therapeutic mechanism may be related to regulating the BDNF pathway to protect nerve cells and inhibit nerve cell apoptosis.

To reduce the subjectivity and uncertainty present in the current international methods of drug value pricing when converting value into monetary prices,based on the hedonic pricing theory,it considers the post-negotiation price between manufacturers and payers as a reasonable price reference in the value pricing of Chinese patent medicine.By constructing an indicator system for the characteristics of Chinese patent medicine,it selects and measures the value characteristic variables that affect the price of Chinese patent medicine.It serves as the theoretical foundation and research basis for establishing a Hedonic price model between characteristic price variables and negotiation prices,thereby promoting the enhancement of rationality and objectivity in value-guided pricing of Chinese patent medicine.

Objective The purpose is to sort out the key steps and core indicators of priority setting for health technology assessment,and provide references for the research of priority setting for health technology assessment in China.Methods To search information from the official website of the World Health Organization,the websites of international health technology assessment agencies/organizations,and CNKI,Wanfang,Pubmed,Embase and other databases related for the setting of health technology assessment priority topics,and the key steps and core indicators of the setting of priority topics were analyzed by descriptive statistical analysis.Results 21 priority setting schemes for health technology assessment were finally incorporated,and the key steps were extracted to set indicators for collecting evaluations.Ratings and rankings and review decisions.The core indicators are disease burden,economic impact and clinical/health impact.Conclusion The key steps and core indicators of international priority setting provide rich practical experience for China's health technology assessment priority setting,which should be actively used for reference to promote evidence-based and scientific decision-making of health technology assessment in China.