1.Mechanism of Ferroptosis in Cerebral Ischemia-reperfusion and Interventional Mechanism of Huoxue Huayu Jiedu Prescription Based on "Blood Stasis and Toxin" Pathogenesis
Jiayue HAN ; Danyi PAN ; Jiaxuan XIAO ; Yuchen LIU ; Jiyong LIU ; Yidi ZENG ; Jinxia LI ; Caixing ZHENG ; Hua LI ; Wanghua LIU
Chinese Journal of Experimental Traditional Medical Formulae 2025;31(8):51-60
ObjectiveTo explore the material basis of the "interaction of blood stasis and toxin" mechanism in cerebral ischemia-reperfusion injury, as well as the protective role of Huoxue Huayu Jiedu prescription (HXHYJDF) against ferroptosis. MethodsSixty SPF-grade male SD rats were randomly divided into six groups: sham group, model group, deferoxamine (DFO) group (100 mg·kg-1), low-dose HXHYJDF group (4.52 g·kg-1), medium-dose HXHYJDF group (9.04 g·kg-1), and high-dose HXHYJDF group (18.07 g·kg-1), with ten rats in each group. Except for the sham group, the other groups were used to replicate the model of focal cerebral ischemia-reperfusion in the middle cerebral artery of rats by the reforming Longa method. Neurological function was assessed at 1st, 3rd, 5th, and 7th days post-reperfusion using the modified neurological severity scores (m-NSS). Brain tissue pathology and the morphology of mitochondria were observed using hematoxylin-eosin (HE) staining and transmission electron microscopy. The contents of malondialdehyde (MDA), glutathione (GSH), divalent iron ions (Fe2+), and reactive oxygen species (ROS) in the ischemic cerebral tissue were detected using enzyme-linked immunosorbent assay (ELISA). Immunohistochemistry and Western blot (WB) were used to detect the expression of iron death marker proteins glutathione peroxidase 4 (GPX4), ferroportin-1 (FPN1), transferrin receptor protein 1 (TfR1), and ferritin mitochondrial (FtMt) in brain tissue. ResultsCompared with the sham group, the mNSS score of the model group was significantly increased (P<0.01). HE staining showed that the number of neurons in the cortex of brain tissue was seriously reduced, and the intercellular space was widened. The nucleus was fragmented, and the cytoplasm was vacuolated. The results of transmission electron microscopy showed that the mitochondria in the cytoplasm contracted and rounded, and the mitochondrial cristae decreased. The matrix was lost and vacuolated, and the density of the mitochondrial bilayer membrane increased. The results of ELISA showed that the content of GSH decreased significantly (P<0.01), and the contents of MDA, Fe2+, and ROS increased significantly (P<0.01). The results of immunohistochemistry and WB showed that the expression of GPX4 and FPN1 proteins was significantly decreased (P<0.01), and the expression of FtMt and TfR1 proteins was significantly increased (P<0.01). Compared with those of the model group, the m-NSS scores of the high-dose and medium-dose HXHYJDF groups began to decrease on the 3rd and 5th days, respectively (P<0.05, P<0.01). The results of HE and transmission electron microscopy showed that the intervention of HXHYJDF improved the pathological changes of neurons and mitochondria. The results of ELISA showed that the content of GSH in the medium-dose and high-dose HXHYJDF groups increased significantly (P<0.01), and the contents of MDA, Fe2+, and ROS decreased significantly (P<0.05, P<0.01). The content of GSH in the low-dose HXHYJDF group increased significantly (P<0.01), and the contents of MDA and ROS decreased significantly (P<0.01). The results of immunohistochemistry showed that the expression of GPX4 and FPN1 in the high-dose HXHYJDF group increased significantly (P<0.01), and the expression of FtMt and TfR1 decreased significantly (P<0.01). The expression of GPX4 and FPN1 in the medium-dose HXHYJDF group increased significantly (P<0.05), and the expression of TfR1 decreased significantly (P<0.01). WB results showed that the expression levels of FPN1 and GPX4 proteins in the high-dose, medium-dose, and low-dose HXHYJDF groups were significantly up-regulated (P<0.01), and the expression levels of FtMt and TfR1 proteins were significantly down-regulated (P<0.01). ConclusionHXHYJDF can significantly improve neurological dysfunction symptoms in rats with cerebral ischemia-reperfusion injury, improve the pathological morphology of the infarcted brain tissue, and protect the brain tissue of rats with cerebral ischemia-reperfusion injury to a certain extent. Neuronal ferroptosis is involved in cerebral ischemia-reperfusion injury, with increased levels of MDA, Fe2+, ROS, and TfR1 and decreased levels of FtMt, FPN1, GPX4, and GSH potentially constituting the material basis of the interaction of blood stasis and toxin mechanism in cerebral ischemia-reperfusion injury. HXHYJDF may exert brain-protective effects by regulating iron metabolism-related proteins, promoting the discharge of free iron, reducing brain iron deposition, alleviating oxidative stress, and inhibiting ferroptosis.
2.Visualization analysis of macrophage polarization in tissue repair process
Jinxia CHANG ; Yufei LIU ; Shaohui NIU ; Chang WANG ; Jianchun CAO
Chinese Journal of Tissue Engineering Research 2025;29(7):1486-1496
BACKGROUND:During tissue repair and regeneration,macrophages exhibit multiple activities such as promoting inflammation,anti-inflammation,fibrosis,and wound healing at various stages of tissue damage.The heterogeneity and balanced polarization of macrophages are decisive in organ repair. OBJECTIVE:To explore the research hotspots and development trends in the field of macrophage polarization in tissue repair through visualization analysis methods,as well as the research level of global scientific and clinical workers in this field. METHODS:Using bibliometric analysis methods,this study employed Citespace literature visualization analysis software and VOSviewer tools,retrieving related literature from 2013 to 2023 in the Web of Science Core Collection's Science Citation Index Expanded(SCI-Expanded)and Social Sciences Citation Index Expanded(SSCI-Expanded)databases.The analysis results were presented in a dynamic map format,revealing the main trends and focuses of the research. RESULTS AND CONCLUSION:The number of publications in this field had dramatically increased from 2013 to 2023,with a significant rise starting in 2017.Chinese researchers had the highest number of publications,with 642 papers,while American researchers began focusing on this field early on.Professor Elisseeff Hennifer H had made a substantial contribution to the research in this area.Shanghai Jiao Tong University had produced the most publications.In recent years,keywords such as"hyaluronic acid"and"regulation"had been prevalent.Macrophage polarization research in tissue repair primarily concentrates on its multifunctional regulatory mechanisms,interactions with other cell types,and its behavior under specific pathological conditions.The main research areas include the role of macrophages in wound healing,cardiovascular diseases,chronic inflammation,tumor microenvironments,and regenerative medicine.A deeper understanding of the multifunctionality and polarization mechanisms of macrophages can lead to the development of new therapeutic strategies to enhance tissue repair and regeneration,thereby improving patient treatment outcomes.
3.Expression of BCL7A in hepatocellular carcinoma and its effects on prognosis, invasion and migration of hepatocellular carcinoma
Jiawei JIANG ; Wei HUANG ; Jing CHEN ; Tao MA ; Han XUAN ; Yang YAN ; Ruochun WANG ; Jinxia LIU
Chinese Journal of Hepatobiliary Surgery 2024;30(1):56-61
Objective:To analyze the expression and prognosis of B-cell lymphoma 7 protein family member A (BCL7A) in hepatocellular carcinoma, as well as the effect and mechanism of BCL7A expression on the invasion and migration of hepatocellular carcinoma cells.Methods:The cancer tissues and adjacent tissues of 40 patients with hepatocellular carcinoma who underwent radical hepatobiliary resection in the Department of Hepatobiliary Surgery, Affiliated Hospital of Nantong University from November 2017 to March 2018 were prospectively collected for protein extraction, including 29 males and 11 females, aged (58.5±10.4) years. The information of 374 cases of hepatocellular carcinoma and 50 cases of adjacent tissues were downloaded from The Cancer Genome Atlas (TCGA) database, and the hepatocellular carcinoma cell lines Hep3B and SMMC-7721 were transfected with overexpressing BCL7A plasmid and empty vector plasmid (negative control), respectively. Western blotting and immunohistochemistry were used to detect the expression of BCL7A, and Western blotting was also used to detect the expression of proteins related to epithelial-mesenchymal transition (N-cadherin, E-cadherin, snail). Transwell and cell scratch assays were used to detect cell invasion and migration.Results:Compared with adjacent tissues, the mRNA expression of BCL7A in 50 patients with hepatocellular carcinoma in TCGA was significantly increased ( t=13.38, P<0.001). According to the median mRNA expression level of BCL7A, 374 patients were divided into BCL7A high expression group ( n=187) and low expression group ( n=187), and the cumulative survival rate of BCL7A high expression patients was lower than that of low expression group, and the difference was statistically significant ( χ2=6.95, P=0.009). Western blot was used to detect the relative expression of BCL7A protein in cancer tissues, and found it was higher compared to adjacent tissues. Compared with the negative control group, the number of cells invaded by the BCL7A overexpression group of hepatoma cells Hep3B and SMMC-7721 was more than the negative control group respectively, (153.7±1.3) vs (63.7±4.7) and (307.7±25.14) vs (72.3±12.5), and the differences were statistically significant ( t=7.97, 8.38, both P=0.001) .The results of the cell scratch assay were consistent with the results of the Transwell invasion assay. The expressions of N-cadherin and snail in the BCL7A overexpression group were higher than those in the negative control group, and the E-cadherin was lower, and the difference was statistically significant (all P<0.05). Conclusions:The expression of BCL7A in cancer tissues of patients with hepatocellular carcinoma is elevated and is associated with poor prognosis. BCL7A may promote hepatocellular carcinoma cell metastasis and invasion by promoting epithelial-mesenchymal transition.
4.Research progress on the molecular mechanism of peritoneal adhesions
Jinxia WANG ; Xiaocui MIN ; Furong WANG ; Xiaoyang LIU
Journal of Clinical Surgery 2024;32(11):1226-1229
Peritoneal adhesions are one of the most common postoperative complications.The formation of peritoneal adhesions is a complex process with multiple factors and stages.Various inflammatory cells and their secreted cytokines promote the chronicity of inflammatory response,the initiation of coagulation cascade reaction and excessive deposition of fibrin,ultimately leading to the formation of pathological peritoneal adhesions.Research in recent years has also highlighted the important role of non-coding RNA in peritoneal adhesions.
5.Monitoring results of veterinary drug residues in chicken and eggs in Xinjiang in 2019 - 2020
Shuai YU ; Xudong ZHOU ; Shan WANG ; Xiaoli SONG ; Jinxia LIU
Journal of Public Health and Preventive Medicine 2023;34(6):144-147
Objective To know the residues of 13 veterinary drug residues in chicken and eggs foods in some areas in Xinjiang. Methods A total of 170 chicken and egg samples were randomly selected from supermarkets and farmers' markets in seven cities in Xinjiang. Eleven quinolone antibiotics, two tetracycline antibiotics, ribavirin and metronidazole were examined for veterinary drug residues using liquid chromatography tandem mass spectrometry (LC-MS/MS) . Results The overall detection rate of veterinary drug residues in eggs and chicken were 20%(18/90)and11.25%(9/80). The overall over-standard rate were 18.89%(17/90)and 0(0/80). Veterinary drug residues in chicken are heavier than eggs. Veterinary drugs were detected and over-standarded in all seven cities in Xinjiang monitored. Conclusion The veterinary drug contamination in chicken and eggs in Xinjiang is relatively serious. It is recommended to strengthen the standardization of production and supervision to ensure food safety.
6.Multimodal imaging for diagnosis of cardiac space-occupying lesions
Yan LI ; Qingguo WANG ; Liyuan WANG ; Wenxiu LI ; Wenxu LIU ; Yongchao NIU ; Zhen JIA ; Huiping ZHAI ; Min LIU ; Jiali XU ; Yongxin TIE ; Dandan LI ; Jinxia QIN
Chinese Journal of Interventional Imaging and Therapy 2023;20(12):745-748
Objective To observe the value of multimodal imaging for diagnosis of cardiac space-occupying lesions.Methods Data of 70 patients with cardiac space-occupying lesions who underwent echocardiography and cardiac CT(CCT)were retrospectively analyzed,among them 35 also underwent cardiac MRI(CMRI).The value of multimodal imaging for diagnosis of cardiac space-occupying lesions were explored according to the results of surgical pathology or clinical diagnosis.Results Among 70 cases,benign tumors were confirmed by surgical pathology in 43 cases,while malignant tumors were confirmed by surgical pathology in 3 cases and clinically diagnosed in 1 case.Meanwhile,non-tumor-occupying lesions were clinically diagnosed in 23 cases,all obviously shrunken after treatments.Among 70 cases,echocardiography correctly diagnosed 57 cases,misdiagnosed 8 cases and unclearly diagnosed 5 cases,with diagnostic accuracy rate of 81.43%(57/70).CCT correctly diagnosed 63 cases,misdiagnosed 4 cases but missed 3 cases,with diagnostic accuracy rate of 90.00%(63/70).CMRI outcomes in all 35 cases were consistent with surgical pathologic results,with diagnostic accuracy rate of 100%(35/35).Conclusion Multimodal imaging might provide objective evidences for diagnosis and treatment of cardiac space-occupying lesions.
7.The E3 ubiquitin ligase NEDD4-1 protects against acetaminophen-induced liver injury by targeting VDAC1 for degradation.
Yiwei ZHU ; Lin LEI ; Xinghui WANG ; Linfang CHEN ; Wei LI ; Jinxia LI ; Chenchen ZHAO ; Xiliang DU ; Yuxiang SONG ; Wenwen GAO ; Guowen LIU ; Xinwei LI
Acta Pharmaceutica Sinica B 2023;13(4):1616-1630
Acetaminophen (APAP) overdose is a major cause of liver injury. Neural precursor cell expressed developmentally downregulated 4-1 (NEDD4-1) is an E3 ubiquitin ligase that has been implicated in the pathogenesis of numerous liver diseases; however, its role in APAP-induced liver injury (AILI) is unclear. Thus, this study aimed to investigate the role of NEDD4-1 in the pathogenesis of AILI. We found that NEDD4-1 was dramatically downregulated in response to APAP treatment in mouse livers and isolated mouse hepatocytes. Hepatocyte-specific NEDD4-1 knockout exacerbated APAP-induced mitochondrial damage and the resultant hepatocyte necrosis and liver injury, while hepatocyte-specific NEDD4-1 overexpression mitigated these pathological events both in vivo and in vitro. Additionally, hepatocyte NEDD4-1 deficiency led to marked accumulation of voltage-dependent anion channel 1 (VDAC1) and increased VDAC1 oligomerization. Furthermore, VDAC1 knockdown alleviated AILI and weakened the exacerbation of AILI caused by hepatocyte NEDD4-1 deficiency. Mechanistically, NEDD4-1 was found to interact with the PPTY motif of VDAC1 through its WW domain and regulate K48-linked ubiquitination and degradation of VDAC1. Our present study indicates that NEDD4-1 is a suppressor of AILI and functions by regulating the degradation of VDAC1.
8.School Feeding Programs in the United States during 1853-2010
Chinese Journal of School Health 2023;44(2):173-175
Abstract
The Children s Aid Society of New York has been providing free food to students at local vocational schools since 1853. It wasn t until 1975 that the school lunch program was permanently mandated by Congress. The National School Lunch Program in America has gone through a historic process from its inception and establishment to its development. The continued interest and oversight of the American people, public opinion guidance by progressive people like nutrition reformers, home economics and other are external factors in the continued development of this program. The timely enactment of the bill by the federal government and the high concern of senior leaders on this project is an important prerequisite for continued development. Integrating this program into the national agricultural development strategy and realizing the overall development philosophy is the key to the sustainability of this program. Paying attention to children s physical health is the core reason why American School Feeding Programs focus on children s diet quantity to children s nutritional quality. All of these factors contribute to the development of this project.
9.Effect of Yiqi Tongluo Anshen Recipe combined with statins on coronary blood flow and blood pressure in patients with coronary heart disease and hypertension
Jinxia WANG ; Juxin WANG ; Jing LIU ; Chang GENG
Journal of Clinical Medicine in Practice 2023;27(23):43-46,53
Objective To explore the effect of Yiqi Tongluo Anshen Recipe combined with statins on coronary blood flow and blood pressure in patients with coronary heart disease complicated with hy-pertension.Methods A total of 120 patients with coronary heart disease combined with hypertension were selected as study objects,and were divided into two groups according to treatment methods,with 60 patients in each group.The conventional group was treated with amlodipine tablets combined with atorvastatin calcium tablets,and the Anshen prescription group was treated with Yiqi Tongluo Anshen Recipe on the basis of the conventional group.The levels of Salusin-β,lipoprotein-associated phospho-lipase A2(LP-PLA2),high-sensitivity C-reactive protein(hs-CRP),pentamylin 3(PTX3),tumor necrosis factor-α(TNF-α)and blood pressure of the two groups were recorded before and after treat-ment,and the TIMI3 rate of coronary blood flow in myocardial infarction thrombolysis test(TIMI)and the adverse reaction rate during treatment were analyzed.Results The total effective rate of TCM syn-drome in the Anshen prescription group was higher than that in conventional group(P<0.05).After treatment,systolic blood pressure(SBP)and diastolic blood pressure(DBP)in two groups were lower than before treatment,and SBP and DBP in the Anshen prescription group were lower than those in the conventional group(P<0.05).The rate of coronary blood flow TIMI3 in the Anshen prescrip-tion group was higher than that in the conventional group(P<0.05).After treatment,levels of Sa-lusin-β,LP-PLA2,PTX3,hs-CRP and TNF-α in two groups were decreased compared with those before treatment,and levels of Salusin-β,LP-PLA2,PTX3,hs-CRP and TNF-α levels of in the Anshen prescription group after treatment were lower than those in the conventional group(P<0.05).There was no significant difference in the incidence of adverse reactions between the Anshen prescription group and the conventional group(P>0.05).Conclusion Yiqi Tongluo Anshen Recipe combined with statins in the treatment of coronary heart disease with hypertension can reduce the expression of related factors,improve coronary blood flow and the curative effect.
10.Effect of Yiqi Tongluo Anshen Recipe combined with statins on coronary blood flow and blood pressure in patients with coronary heart disease and hypertension
Jinxia WANG ; Juxin WANG ; Jing LIU ; Chang GENG
Journal of Clinical Medicine in Practice 2023;27(23):43-46,53
Objective To explore the effect of Yiqi Tongluo Anshen Recipe combined with statins on coronary blood flow and blood pressure in patients with coronary heart disease complicated with hy-pertension.Methods A total of 120 patients with coronary heart disease combined with hypertension were selected as study objects,and were divided into two groups according to treatment methods,with 60 patients in each group.The conventional group was treated with amlodipine tablets combined with atorvastatin calcium tablets,and the Anshen prescription group was treated with Yiqi Tongluo Anshen Recipe on the basis of the conventional group.The levels of Salusin-β,lipoprotein-associated phospho-lipase A2(LP-PLA2),high-sensitivity C-reactive protein(hs-CRP),pentamylin 3(PTX3),tumor necrosis factor-α(TNF-α)and blood pressure of the two groups were recorded before and after treat-ment,and the TIMI3 rate of coronary blood flow in myocardial infarction thrombolysis test(TIMI)and the adverse reaction rate during treatment were analyzed.Results The total effective rate of TCM syn-drome in the Anshen prescription group was higher than that in conventional group(P<0.05).After treatment,systolic blood pressure(SBP)and diastolic blood pressure(DBP)in two groups were lower than before treatment,and SBP and DBP in the Anshen prescription group were lower than those in the conventional group(P<0.05).The rate of coronary blood flow TIMI3 in the Anshen prescrip-tion group was higher than that in the conventional group(P<0.05).After treatment,levels of Sa-lusin-β,LP-PLA2,PTX3,hs-CRP and TNF-α in two groups were decreased compared with those before treatment,and levels of Salusin-β,LP-PLA2,PTX3,hs-CRP and TNF-α levels of in the Anshen prescription group after treatment were lower than those in the conventional group(P<0.05).There was no significant difference in the incidence of adverse reactions between the Anshen prescription group and the conventional group(P>0.05).Conclusion Yiqi Tongluo Anshen Recipe combined with statins in the treatment of coronary heart disease with hypertension can reduce the expression of related factors,improve coronary blood flow and the curative effect.


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