1.Effect of Linggui Zhugantang on Mitochondrial Fusion-fission and Sirt3/ AMPK Signaling Pathway in Chronic Heart Failure Rats After Myocardial Infarction
Juan YAO ; Rui DING ; Xiangyang LI ; Tongjuan TANG ; Wanwan WU ; Kedong WEI ; Shaohua XU ; Liang WANG ; Peng ZHOU ; Jinling HUANG
Chinese Journal of Experimental Traditional Medical Formulae 2024;30(3):1-9
ObjectiveTo investigate the effects of Linggui Zhugantang on mitochondrial fission and fusion and silencing information regulator 3(Sirt3)/adenosine monophosphate dependent protein kinase (AMPK) signaling pathway in chronic heart failure (CHF) rats after myocardial infarction (MI). MethodSD rats randomly divide into sham operation group (normal saline ,thread only without ligature), model group (normal saline, ligation of the left anterior descending coronary artery proximal to the heart), Linggui Zhugantang group (4.8 g·kg-1) and Captopril group (0.002 57 g·kg-1), with 10 rats in each group. Administere drug continuously for 28 days. Echocardiography detected cardiac function parameters. Hematoxylin eosin (HE) staining observed the pathological changes of the heart. Immunofluorescence detected the levels of reactive oxygen species (ROS). JC-1 detect mitochondrial membrane potential. Colorimetry measure adenosine triphosphate (ATP), superoxide dismutase (SOD), malondialdehyde (MDA), mitochondrial respiratory chain complex activity (Ⅰ-Ⅳ). TdT-mediated dUTP nick end labeling (TUNEL) staining detected the apoptosis rate of myocardial tissue. Western blot detected protein expression levels of Sirt3, phosphorylated AMPK (p-AMPK), phosphorylated dynamic-related protein 1(p-Drp1), mitochondrial fission protein 1(Fis1), mitochondrial fission factor (MFF), optic atrophy protein 1(OPA1). ResultCompared to the sham group, the left ventricular end diastolic diameter (LVIDd) and left ventricular end systolic diameter (LVIDs) were significantly increased in model group (P<0.01), while the left ventricular short axis shortening rate (LVFS) and left ventricular ejection fraction (LVEF) were significantly decreased (P<0.01). There were inflammatory cell infiltration and obvious pathological injury in myocardial tissue. ROS, MDA levels and myocardial cell apoptosis rate were significantly increased (P<0.01), SOD level, ATP content, and membrane potential were significantly decreased (P<0.01). The activity of mitochondrial respiratory chain complexes (Ⅰ-Ⅳ) was significantly decreased (P<0.01). Levels of p-Drp1, Fis1, MFF proteins were significantly up-regulated (P<0.01), while Sirt3, p-AMPK, OPA1 proteins level were significantly down-regulated (P<0.01). Compared with model group, LVIDd and LVIDs were significantly decreased (P<0.01), LVEF and LVFS were significantly increased (P<0.01). Inflammatory cell infiltration and pathological damage of myocardial tissue were significantly relieved. ROS, MDA levels and myocardial cell apoptosis rate were significantly decreased in Linggui Zhugantang group and Captopril group (P<0.01), SOD level, ATP content, and membrane potential significantly increased (P<0.01). The activity of mitochondrial respiratory chain complexes (Ⅰ-Ⅳ) increased significantly (P<0.01),and p-Drp1, Fis1, MFF protein levels were significantly down-regulated (P<0.01), Sirt3, p-AMPK, OPA1 protein were significantly up-regulated (P<0.01). ConclusionLinggui Zhugantang can alleviate oxidative stress and apoptosis damage of myocardial cells, maintain mitochondrial function stability, and its effect may be related to mitochondrial mitosis fusion and Sirt3/AMPK signaling pathway.
2.Improvement effect and mechanism of petroleum ether extract of Saposhnikovia divaricata on rheumatoid arthritis rats by regulating neutrophil extracellular traps
Xiangyang ZHANG ; Wei WEI ; Peng XU ; Ning LI ; Wenjing GE ; Xinyi WANG ; Ruifeng LIANG ; Airong XUE
China Pharmacy 2024;35(19):2345-2351
OBJECTIVE To explore the improvement effect and mechanism of petroleum ether extract of Saposhnikovia divaricata on rheumatoid arthritis (RA) rats by regulating neutrophil extracellular traps (NETs). METHODS Establishment of rat RA model using bovine type Ⅱ collagen and Freund’s complete adjuvant. The model rats were randomly divided into model group and low-dose, middle-dose and high-dose groups (55, 110, 220 mg/kg) of petroleum ether extract of S. divaricata; the normal group without modeling was also established, with 10 rats in each group. Each group was given corresponding drugs or constant volume of 2% Tween-80 solution intragastrically, once a day, for consecutive 28 days. The toe swelling degree in rats was observed, and the arthritis index (AI) was scored. The serum levels of interleukin-1β (IL-1β), IL-10, IL-17, tumor necrosis factor-α (TNF-α), 25-hydroxyvitamin D3 [25(OH)D3], myeloperoxidase (MPO), neutrophil elastase (NE) and NETs in rats were detected. The histopathological changes in ankle joint were observed. The expression of citrullinated histone H3 (CitH3) in ankle joint as well as the expressions of cytochrome P450 24A1 (CYP24A1), cytochrome P450 27B1 (CYP27B1),vitamin D receptor (VDR) and peptidyl arginine deiminase 4 疾病。E-mail:zhongyao626@126.com (PAD4) in synovium were all determined. RESULTS Compared with the model group, the toe swelling degree and AI score in the middle-dose and high-dose groups of petroleum ether extract of S. divaricata decreased significantly from day 14 to day 28 after administration (P<0.05 or P<0.01). The serum levels of IL-1β, IL-17, TNF-α, MPO, NE and NETs decreased significantly, while the levels of IL-10 and 25(OH)D3 increased significantly (P<0.05 or P<0.01). The widened ankle joint space and the improved structure were found; the expression of CitH3 in ankle joint, and the expressions of CYP24A1 and PAD4 in synovium were down-regulated significantly, while the expressions of CYP27B1 and VDR were up-regulated significantly in synovium (P<0.05 or P<0.01). CONCLUSIONS The petroleum ether extract of S. divaricata may inhibit the production of NETs and improve the symptoms of RA by regulating the vitamin D system.
3.Clinical Application of Shikani Optical Stylet in Guiding Nasal Tracheal Intubation
Bin WEI ; Binlong LI ; Mao XU ; Xiangyang GUO
Chinese Journal of Minimally Invasive Surgery 2024;24(1):25-28
Objective To explore the clinical application of the Shikani optical style(SOS)in guiding nasal tracheal intubation.Methods A retrospective analysis was made on clinical data of 60 patients who underwent selective operation under general anesthesia through nasal tracheal intubation from January 2017 to December 2022.According to the guidance methods of nasal tracheal intubation,the patients were divided into three groups with 20 cases in each group:video laryngoscope guided nasal tracheal intubation group(group V),fiberoptic bronchoscopy guided nasal tracheal intubation group(group F),and SOS guided nasal tracheal intubation group(group S).The grading of glottis exposure and epistaxis during tracheal intubation were recorded,as well as the success rate,completion time,and incidence of postoperative complications related to nasal tracheal intubation.Results The glottis exposure in the group F and group S were both grade Ⅰ.Among the group V,there were 7 cases of gradeⅠ,10 cases of gradeⅡ,and 3 cases of grade Ⅲ.The glottis exposure effect of patients in the group F and S was significantly better than that of the group V(Z =-4.274,P = 0.000;Z =-4.274,P = 0.000).There were 15 and 14 patients in the group F and the group S without epistaxis,and 5 and 6 patients with mild epistaxis,respectively.There were no patients with severe epistaxis in the group F and the group S.In the group V,there were 7 patients without epistaxis,10 patients with mild epistaxis,and 3 patients with severe epistaxis.The degree of epistaxis in the group F and the group S was significantly less than that in the group V(Z =-2.678,P =0.007;Z =-2.402,P =0.016).The median time for tracheal intubation in the group S was 37.5(34.3,41.5)s,significantly shorter than 45.0(39.8,72.5)s in the group V and 89.0(76.0,102.5)s in the group F(Z =15.703,P =0.013;Z =32.050,P =0.000),with the group V being significantly shorter than the group F(Z =-16.347,P =0.009).The nasal tracheal intubation failed in 2 cases in the group V,while was all successfully completed in the group F and the group S.The difference of success rate was not statistically significant among the three groups(P>0.05).There were no statistically significant differences in the rates of postoperative nasopharyngeal pain and nasal congestion among the three groups(P>0.05).Conclusion The method of SOS-guided nasal tracheal intubation can provide good glottis exposure and achieve a satisfactory success rate of tracheal intubation without increasing the risk of adverse reactions,which can be regarded as a safe and effective method of nasal tracheal intubation.
4.Application of Single-segment Paravertebral Nerve Block in Elderly Patients Undergoing Inguinal Hernioplasty
Bin WEI ; Binlong LI ; Mao XU ; Xiangyang GUO
Chinese Journal of Minimally Invasive Surgery 2024;24(2):106-111
Objective To explore the safety and feasibility of single-segment paravertebral nerve block(PVNB)in elderly patients undergoing inguinal hernioplasty.Methods A retrospective analysis was made on clinical data of 58 elderly patients who underwent open tension-free inguinal hernioplasty from January 2016 to December 2022.According to the anesthesia method,they were divided into two groups with 29 cases in each:single-segment PVNB group(P group)and single subarachnoid block group(S group).Patients in the P group were given L1 single-segment PVNB guided by ultrasound combined with peripheral nerve stimulators or simple peripheral nerve stimulators by using 0.4%ropivacaine 20 ml.Patients in the S group underwent puncture in the interspinous space between L3/4 and received 0.5%bupivacaine 10 mg.The mean arterial pressure and heart rate before anesthesia(T0),at the time of skin incision(T1),at the time of hernia sac dissection(T2),and at the time of wound closure(T3)were recorded,and the block levels,anesthetic effect,remedial rate of fentanyl,local anesthetic toxicity,peripheral nerve injury,urinary retention,delirium,and nausea and vomiting of the patients were recorded.The patient's satisfaction with anesthesia was followed up.Results All the 58 patients underwent surgery smoothly.The difference in block levels was statistically significant between the two groups of patients(Z =-4.144,P =0.000),while the differences in the remedial rate of fentanyl,anesthesia effect,and anesthesia satisfaction were not statistically significant(χ2 =0.269,P =0.604;Z =-1.430,P =0.153;Z =-1.395,P =0.163).There were no statistically significant differences in mean arterial pressure and heart rate changes between the two groups at different time points(F =0.002,P = 0.960;F =0.260,P =0.612).The rate of urinary retention in the P group was significantly lower than that in the S group(0.0%vs.24.1%,Fisher's test,P =0.010).There were no statistically significant differences in rates of dilirium and nausea and vomitting(P>0.05).All the patients did not experience local anesthetic toxicity or peripheral nerve injury during the perioperative period.Conclusion Single-segment PVNB can provide comprehensive anesthesia and analgesia for elderly patients undergoing inguinal hernioplasty,helping to maintain the stability of intraoperative hemodynamics and reducing the risk of postoperative adverse reactions.
5.Reappraisals of biological behaviors of PDGFRA mutant gastrointestinal stromal tumor
Wei YUAN ; Wen HUANG ; Lei REN ; Huaiyu LIANG ; Siyao DONG ; Xiangyang DU ; Chen XU ; Yong FANG ; Kuntang SHEN ; Yingyong HOU
Chinese Journal of Pathology 2024;53(1):46-51
Objective:To investigate the biological behavior spectrum of platelet-derived growth factor alpha receptor (PDGFRA)-mutant gastrointestinal stromal tumor (GIST), and to compare the clinical values of the Zhongshan method of benign and malignant evaluation with the modified National Institutes of Health (NIH) risk stratification.Methods:A total of 119 cases of GIST with PDGFRA mutation who underwent surgical resection at Zhongshan Hospital, Fudan University from 2009 to 2020 were collected. The clinicopathological data, follow-up records, and subsequent treatment were reviewed and analyzed statistically.Results:There were 79 males and 40 females. The patients ranged in age from 25 to 80 years, with a median age of 60 years. Among them, 115 patients were followed up for 1-154 months, and 13 patients progressed to disease. The 5-year disease-free survival (DFS) and overall survival (OS) were 90.1% and 94.1%, respectively. According to the modified NIH risk stratification, 8 cases, 32 cases, 38 cases, and 35 cases were very-low risk, low risk, intermediate risk, and high risk, and 5-year DFS were 100.0%, 95.6%, 94.3%, and 80.5%, respectively. There was no significant difference in prognosis among the non-high risk groups, only the difference between high risk and non-high risk groups was significant ( P=0.029). However, the 5-year OS was 100.0%, 100.0%, 95.0% and 89.0%, and there was no difference ( P=0.221). According to the benign and malignant evaluation Zhongshan method, 43 cases were non-malignant (37.4%), 56 cases were low-grade malignant (48.7%), 9 cases were moderately malignant (7.8%), and 7 cases were highly malignant (6.1%). The 5-year DFS were 100.0%, 91.7%, 77.8%, 38.1%, and the difference was significant ( P<0.001). The 5-year OS were 100.0%, 97.5%, 77.8%, 66.7%, the difference was significant ( P<0.001). Conclusions:GIST with PDGFRA gene mutation shows a broad range of biological behavior, ranging from benign to highly malignant. According to the Zhongshan method, non-malignant and low-grade malignant tumors are common, the prognosis after surgery is good, while the fewer medium-high malignant tumors showed poor prognosis after surgical resection. The overall biological behavior of this type of GIST is relatively inert, which is due to the low proportion of medium-high malignant GIST. The modified NIH risk stratification may not be effective in risk stratification for PDGFRA mutant GIST.
6.Overview of the ten global conferences on health promotion and implications for future work
Meichen SUN ; Shiyu LIU ; Wei WEI ; Zining WANG ; Xiangyang TIAN ; Liming LI ; Youfa WANG
Chinese Journal of Epidemiology 2024;45(4):591-596
Since 1986, the WHO has held ten global health promotion conferences covering various health promotion issues and sustainable development worldwide. These sessions have formed a series of consensus and actions that guide promoting health globally. This study analyzed the declarations, reports, and news materials from the ten conferences that studied health promotion action areas, focal topics, actor networks, partnership relationships, and other significant outcomes. It also explored how these conferences contributed to the construction and advancement of global health promotion consensus and actions. The first Global Conference on Health Promotion identified the concept of health promotion and five key action areas, laying the foundation for subsequent conferences and health promotion actions. Over the years, the ten conferences continuously expanded the essence of health promotion, developed partnership relationships, formulated public health promotion policies, and called for health promotion actions. This process culminated in the formation of global consensus and collective actions. The latter conferences have gained significant attention and influence. The conferences offer valuable insights for future global health promotion endeavors and provide global perspectives and pathways for the development of Healthy China.
7.Relationship between serum calcineurin 6 and calcineurin 11 levels and adverse pregnancy outcome in patients with early-onset severe preeclampsia
Xiangyang ZHAO ; Yanhua WANG ; Yanan WEI
International Journal of Laboratory Medicine 2024;45(21):2600-2604,2609
Objective To investigate the relationship between serum levels of calcineurin(CDH)6 and CDH11 and adverse pregnancy outcomes in patients with early-onset severe preeclampsia(EOSP).Methods A total of 100 patients with EOSP admitted to the hospital from January 2022 to May 2023 were se-lected as the EOSP group and 88 healthy pregnant women who underwent pregnancy test at the hospital dur-ing the same period were selected as the control group.The patients with EOSP were divided into the poor outcome group(61 patients)and the good outcome group(39 patients)according to the pregnancy outcome.Serum CDH6 and CDH11 levels were measured by enzyme-linked immunosorbent assay.Multivariate Logistic regression was used to analyze the factors of adverse pregnancy outcomes in patients with EOSP,and receiver operating characteristic curve was used to analyze the predictive value of serum CDH6 and CDH11 levels for adverse pregnancy outcomes in patients with EOSP.Results Serum CDH6[223.78(172.58,664.76)ng/mL]and CDH11[3.36(3.09,4.55)ng/mL]levels were higher in the EOSP group than those in the control group[90.93(74.24,362.81)ng/mL]and[1.33(1.06,3.74)ng/mL],and the differences were statistically significant(P<0.05).The incidence of adverse pregnancy outcome in 100 EOSP patients was 61.00%(61/100).Serum CDH6[239.93(214.38,797.17)ng/mL]and CDH11[4.12(3.37,12.96)ng/mL]levels were higher in the poor outcome group than in the good outcome group[184.14(139.82,223.64)ng/mL]and[3.23(2.52,3.75)ng/mL],and the differences were statistically significant(P<0.05).Elevated urinary protein(OR=1.019,95%CI:1.000-1.037),CDH6(OR=1.003,95%CI:1.001-1.005),and CDH11(OR=3.477,95%CI:1.432-8.441)were independent risk factors for adverse pregnancy outcomes in pa-tients with EOSP(P<0.05).The area under the curve of combined detection of serum CDH6 and CDH11 levels for predicting adverse pregnancy outcomes in EOSP patients was 0.864(95%CI:0.810-0.943),which was greater than 0.786(95%CI:0.692-0.861)and 0.790(95%CI:0.697-0.865)of serum CDH6 and CDH11 alone,and the differences were statistically significant(P<0.05).Conclusion Elevated serum CDH6 and CDH11 levels in patients with EOSP are independent risk factors for adverse pregnancy outcomes in pa-tients with EOSP,and the combined detection of serum CDH6 and CDH11 levels have a high predictive value for adverse pregnancy outcomes in patients with EOSP.
8.Construction of secretory IgA against SARS-CoV-2 and its biodistribution through nasal administration in mice
Ping HUANG ; Guanying ZHANG ; Xiangyang CHI ; Hancong SUN ; Ting FANG ; Changming YU ; Wei CHEN
Military Medical Sciences 2024;48(7):501-508
Objective To construct secretory IgA(sIgA)based on the previously screened IgG neutralizing antibody ZW2G10 against SARS-CoV-2,evaluate its activity and find out about the biodistribution of sIgA in ICR mice after nasal administration.Methods After expression,purification,and identification,sIgA was evaluated for its binding and neutralizing activity through ELISA and pseudovirus-based neutralization assays.SIgA was coupled with Alexa Fluor 750 dye and administered to mice via nasal administration.In vivo imaging was used to observe the biodistribution of sIgA.After dissection of the mice,the biodistribution of sIgA in various tissues and organs was observed.Results Compared with IgG,sIgA retained the binding ability to SARS-CoV-2 S proteins,and its neutralizing ability was enhanced.After nasal administration of a single dose of 1 mg/kg,sIgA could be retained in the lungs of mice for more than 72 hours.SIgA could be detected only in the nasal cavity and gastrointestinal tract within 8 h of administration,but not in the heart,liver,kidney,spleen,brain,bladder or blood.Conclusion In this study,a universal and efficient sIgA expression system has been established.sIgA can effectively target the respiratory tract and lungs after nasal administration.SIgA is expected to become a potential drug that provides immediate passive immune protection.
9.Multimodal image fusion-assisted endoscopic evacuation of spontaneous intracerebral hemorrhage
Chao ZHANG ; Juan LI ; Ping-Li WANG ; Hua-Yun CHEN ; Yu-Hang ZHAO ; Ning WANG ; Zhi-Tao ZHANG ; Yan-Wei DANG ; Hong-Quan WANG ; Jun WANG ; Chu-Hua FU
Chinese Journal of Traumatology 2024;27(6):340-347
Purpose::Although traditional craniotomy (TC) surgery has failed to show benefits for the functional outcome of intracerebral hemorrhage (ICH). However, a minimally invasive hematoma removal plan to avoid white matter fiber damage may be a safer and more feasible surgical approach, which may improve the prognosis of ICH. We conducted a historical cohort study on the use of multimodal image fusion-assisted neuroendoscopic surgery (MINS) for the treatment of ICH, and compared its safety and effectiveness with traditional methods.Methods::This is a historical cohort study involving 241 patients with cerebral hemorrhage. Divided into MINS group and TC group based on surgical methods. Multimodal images (CT skull, CT angiography, and white matter fiber of MRI diffusion-tensor imaging) were fused into 3 dimensional images for preoperative planning and intraoperative guidance of endoscopic hematoma removal in the MINS group. Clinical features, operative efficiency, perioperative complications, and prognoses between 2 groups were compared. Normally distributed data were analyzed using t-test of 2 independent samples, Nonnormally distributed data were compared using the Kruskal-Wallis test. Meanwhile categorical data were analyzed via the Chi-square test or Fisher’s exact test. All statistical tests were two-sided, and p < 0.05 was considered statistically significant. Results::A total of 42 patients with ICH were enrolled, who underwent TC surgery or MINS. Patients who underwent MINS had shorter operative time ( p < 0.001), less blood loss ( p < 0.001), better hematoma evacuation ( p =0.003), and a shorter stay in the intensive care unit ( p =0.002) than patients who underwent TC. Based on clinical characteristics and analysis of perioperative complications, there is no significant difference between the 2 surgical methods. Modified Rankin scale scores at 180 days were better in the MINS than in the TC group ( p =0.014). Conclusions::Compared with TC for the treatment of ICH, MINS is safer and more efficient in cleaning ICH, which improved the prognosis of the patients. In the future, a larger sample size clinical trial will be needed to evaluate its efficacy.
10.Expression of S100A7A in gastric cancer and its effect on proliferation and metastasis
Wushuang XIAO ; Linjie HONG ; Zhen YU ; Ping YANG ; Jieming ZHANG ; Siyang PENG ; Xiangyang WEI ; Yidong CHEN ; Side LIU ; Jide WANG
The Journal of Practical Medicine 2024;40(10):1344-1350
Objective The objective of this study is to examine the expression level of the S100A7A protein in both gastric cancer tissues and cells,as well as to evaluate its impact on the malignant phenotype of gastric cancer(GC)cells.Methods Immunohistochemical assay was used to detect the expression characteristics of S100A7A in 21 gastric cancer tissues and their corresponding paracancerous tissues,as well as to investigate its correlation with gastric cancer clinicopathological factors.Gastric cancer cells were genetically modified to overex-press S100A7A through plasmid transfection.Subsequently,the impact of S100A7A on the proliferation,migra-tion,and invasion capacities of gastric cancer cells was assessed using cell proliferation assays(EdU assay and plate cloning assay)as well as cell migration and invasion assays(Transwell assay and scratch assay).Results The expression of S100A7A protein was higher in GC tissues than in paracancerous tissues;Overexpression of S100A7A may increase gastric cancer cell proliferation,migration,and invasion.Conclusion S100A7A is a possible oncogene in GC and is predicted to serve as a new diagnostic and therapeutic target for the disease.

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