1.A synthetic peptide, derived from neurotoxin GsMTx4, acts as a non-opioid analgesic to alleviate mechanical and neuropathic pain through the TRPV4 channel.
ShaoXi KE ; Ping DONG ; Yi MEI ; JiaQi WANG ; Mingxi TANG ; Wanxin SU ; JingJing WANG ; Chen CHEN ; Xiaohui WANG ; JunWei JI ; XinRan ZHUANG ; ShuangShuang YANG ; Yun ZHANG ; Linda M BOLAND ; Meng CUI ; Masahiro SOKABE ; Zhe ZHANG ; QiongYao TANG
Acta Pharmaceutica Sinica B 2025;15(3):1447-1462
Mechanical pain is one of the most common causes of clinical pain, but there remains a lack of effective treatment for debilitating mechanical and chronic forms of neuropathic pain. Recently, neurotoxin GsMTx4, a selective mechanosensitive (MS) channel inhibitor, has been found to be effective, while the underlying mechanism remains elusive. Here, with multiple rodent pain models, we demonstrated that a GsMTx4-based 17-residue peptide, which we call P10581, was able to reduce mechanical hyperalgesia and neuropathic pain. The analgesic effects of P10581 can be as strong as morphine but is not toxic in animal models. The anti-hyperalgesic effect of the peptide was resistant to naloxone (an μ-opioid receptor antagonist) and showed no side effects of morphine, including tolerance, motor impairment, and conditioned place preference. Pharmacological inhibition of TRPV4 by P10581 in a heterogeneous expression system, combined with the use of Trpv4 knockout mice indicates that TRPV4 channels may act as the potential target for the analgesic effect of P10581. Our study identified a potential drug for curing mechanical pain and exposed its mechanism.
2.Advancements and applications in radiopharmaceutical therapy.
Shiya WANG ; Mingyi CAO ; Yifei CHEN ; Jingjing LIN ; Jiahao LI ; Xinyu WU ; Zhiyue DAI ; Yuhan PAN ; Xiao LIU ; Xian LIU ; Liang-Ting LIN ; Jianbing WU ; Ji LIU ; Qifeng ZHONG ; Zhenwei YUAN
Chinese Journal of Natural Medicines (English Ed.) 2025;23(6):641-657
Radiopharmaceuticals operate by combining radionuclides with carriers. The radiation energy emitted by radionuclides is utilized to selectively irradiate diseased tissues while minimizing damage to healthy tissues. In comparison to external beam radiation therapy, radionuclide drugs demonstrate research potential due to their biological targeting capabilities and reduced normal tissue toxicity. This article reviews the applications and research progress of radiopharmaceuticals in cancer treatment. Several key radionuclides are examined, including 223Ra, 90Y, Lutetium-177 (177Lu), 212Pb, and Actinium-225 (225Ac). It also explores the current development trends of radiopharmaceuticals, encompassing the introduction of novel radionuclides, advancements in imaging technologies, integrated diagnosis and treatment approaches, and equipment-medication combinations. We review the progress in the development of new treatments, such as neutron capture therapy, proton therapy, and heavy ion therapy. Furthermore, we examine the challenges and breakthroughs associated with the clinical translation of radiopharmaceuticals and provide recommendations for the research and development of novel radionuclide drugs.
Humans
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Radiopharmaceuticals/therapeutic use*
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Neoplasms/radiotherapy*
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Radioisotopes/therapeutic use*
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Animals
3.Mechanism of the Wnt signaling pathway regulating hepatic fibrosis associated with metabolic dysfunction-associated fatty liver disease and its application prospects
Jingjing HE ; Ya ZHENG ; Rui JI
Journal of Clinical Hepatology 2025;41(11):2372-2378
Metabolic dysfunction-associated fatty liver disease (MAFLD) has become one of the critical chronic liver diseases requiring global attention, and the degree of hepatic fibrosis in these patients is closely associated with their prognosis. Therefore, control or even reversal of hepatic fibrosis is an indispensable part of the long-term management of MAFLD patients. A large number of studies have shown that the Wnt signaling pathway is involved in the development and progression of MAFLD. This article systematically describes the Wnt signaling pathway and elaborates on its mechanism of action in MAFLD-associated hepatic fibrosis, in order to provide a reference for the treatment of hepatic fibrosis in patients with MAFLD.
4.Prognostic factors and prediction model construction of idiopathic choroidal neovascularization treated with anti-vascular endothelial growth factor drugs
International Eye Science 2024;24(9):1466-1470
AIM: To investigate the prognostic factors of idiopathic choroidal neovascularization treated with anti-vascular endothelial growth factor(VEGF)drugs and construct predictive model.METHODS:A total of 57 patients(57 eyes)with idiopathic choroidal neovascularization who received the treatment of anti-VEGF in our hospital from January 2020 to June 2023 were retrospectively included and grouped according to regression or recurrence of the disease. Univariate and multivariate analysis was performed on the influencing factor of regression or recurrence of idiopathic choroidal neovascularization lesions treated with anti-VEGF drugs. Clinical prediction model was constructed for the regression of idiopathic choroidal neovascularization lesions treated with anti-VEGF drugs.RESULTS:After treatment, the lesions disappeared in 17 eyes and recurred in 13 eyes, with incidence rates of 30% and 23%, respectively. The results of univariate analysis showed that the course of disease, baseline best corrected visual acuity, and baseline macular fovea retinal thickness may all be related to the regression or recurrence of idiopathic choroidal neovascularization lesions treated with anti-VEGF drugs(all P<0.05). Logistic multivariate analysis showed that the course of the disease, baseline best corrected visual acuity level, and baseline macular fovea retinal thickness may all be related to the regression of idiopathic choroidal neovascularization treated with anti-VEGF drugs(all P<0.05), while those factors were not related to the recurrence of idiopathic choroidal neovascularization treated with anti-VEGF drugs(all P>0.05). The influencing factors of the regression model and the P-value prediction probability were used to predict the regression of idiopathic choroidal neovascular lesions treated with anti-VEGF drugs, and the Youden index was 83.00%, 75.74%, 45.47% and 85.00%, respectively.CONCLUSION:The regression of idiopathic choroidal neovascularization treated with anti-VEGF drugs was closely related to the course of disease, baseline best corrected visual acuity level and baseline macular foveal retinal thickness, while the risk of recurrence has not been determined by corresponding influencing factors. The data model constructed by the above three factors has shown good efficiency in predicting the regression of patients with idiopathic choroidal neovascularization lesions treated with anti-VEGF drugs.
5.TIPS with bare stents and covered stents for the treatment of portal hypertension:analysis of its long-term efficacy
Shengli YANG ; Linqiang LAI ; Jingjing SONG ; Dengke ZHANG ; Zhongwei ZHAO ; Jianfei TU ; Jiansong JI ; Yingjun BAO ; Junpeng GU ; Weixin REN
Journal of Interventional Radiology 2024;33(3):295-299
Objective To evaluate the long-term efficacy of transjugular intrahepatic portosystemic shunt(TIPS)with bare stents and Fluency covered stents in the treatment of portal hypertension,and to discuss its clinical value.Methods The clinical data of 29 patients with intractable ascites or esophagogastric fundus varices rupture and hemorrhage caused by cirrhotic portal hypertension,who received TIPS with bare stents and covered stents at the First Affiliated Hospital of Xinjiang Medical University of China(25 patients)and the Lishui Municipal Central Hospital of China(4 patients)between August 2012 and December 2017,were retrospectively analyzed.The patients were regularly followed up to check the survival status.The postoperative cumulative shunt patency rate and cumulative survival rate of the patients were analyzed by Kaplan-Meier method.Results The technical success rate of TIPS was 100%.The mean portal vein pressure was decreased from preoperative(40.21±3.24)cmH2O to postoperative(24.55±3.55)cmH2O(P<0.05).The patients were followed up for 5.1-10.5 years.The postoperative 1-,3-,5-,7-year primary cumulative patency rates of the shunt were 89.7%,75.9%,75.9% and 52.5%,respectively.The postoperative 5-,7-,9-and 10-year cumulative survival rates were 100%,66.9%,66.9% and 33.4%,respectively.The incidence of hepatic encephalopathy was 13.8%(4/29).Conclusion Using bare stents combined with Fluency covered stents for TIPS is clinically safe and effective in the treatment of portal hypertension.This technique carries higher long-term shunt patency rate and low incidence of hepatic encephalopathy.Therefore,it can be used as a substitute for Viatorr stent when necessary.(J Intervent Radiol,2024,33:295-299)
6.Visualization analysis of research status and hot spots of Yinchenhao decoction based on CiteSpace
Yin JI ; Ming DAI ; Jianlin LYU ; Jingjing HUANG ; Wenfu ZHANG
China Modern Doctor 2024;62(4):68-72
Objective By using the bibliometrics method,the literature about Yinchenhao decoction was visualized and analyzed to explore its research hot spot and frontier.Methods The related literatures on Yinchenhao decoction were retrieved from CNKI database,and CiteSpace 6.1.R6 software was used to analyze the authors,institutions and key words,and the key words were clustered to draw a visual atlas.Results A total of 856 articles were included,and the number of articles showed a fluctuating upward trend.There were 764 authors and 513 related key words,including clinical application,experimental study and signaling pathway of Yinchenhao decoction.Conclusion Although Yinchenhao decoction is a commonly used clinical prescription for liver disease,there is a lack of studies on the mechanism of action and molecular level.Future research hot spot should focus more on large sample randomized controlled clinical studies and experimental studies,so as to provide new directions for researchers.
7.Advancements in research on the pathogenesis and treatment of radiation-induced intestinal injury based on gut microbiota
Tingxing WANG ; Jingjing LI ; Qingqing CHEN ; Ying LI ; Runjun SHI ; Shengjun JI
Chinese Journal of Radiological Medicine and Protection 2024;44(3):233-239
The intestinal dysbacteriosis is closely associated with the occurrence and progress of radiation-induced intestinal injury. However, the specific mechanism remains unclear. Symbiotic bacteria in the human body play a significant role in maintaining the homeostasis of the intestinal microenvironment while participating in various physiological and pathological processes such as metabolism, immunoregulation, inflammation, and tumorigenesis. Ionizing radiation can destroy the intestinal epithelial barrier, creating an oxidative stress microenvironment. Consequently, the composition and structure of microbiota change, leading to dysbacteriosis through downstream inflammatory factors. Dysbacteriosis can further exacerbate radiation-induced intestinal injury by weakening the resistance of the intestinal epithelial barrier, activating inflammatory signaling pathways, and upregulating radiation-induced apoptosis response. The probiotic supplementation and fecal bacteria transplantation can reduce radiation-induced intestinal injury by regulating the balance of intestinal microbiota. This study reviews the advances in research on the pathogenesis and clinical protection of radiation enteritis based on gut microbiota, in order to provide a theoretical basis and reference for the prevention and treatment of radiation enteritis.
8.Evaluation of the efficacy of lymphatic venous anastomosis in the treatment of lower limb lymphedema based on MRI lymphangiography classification
Jingjing WANG ; Minge ZHANG ; Jicheng XIE ; Hai YANG ; Liqi YI ; Wenbin JI
Journal of Practical Radiology 2024;40(11):1871-1874,1879
Objective To explore the therapeutic effect of lymphatic venous anastomosis based on MRI lymphangiography classifi-cation on lower limb lymphedema,and to analyze the factors affecting the therapeutic effect of lymphatic venous anastomosis.Methods A total of 378 patients with secondary lymphedema of lower limbs were selected.All of them underwent MRI lymphangiography.The differ-ence of circumference diameter and complication rate of the lower limbs of different types of patients before and after lymphatic venous anastomosis were compared.After 6 months of follow-up,the therapeutic effect was evaluated according to the International Lymphology Society classification standards for lymphedema.The risk factors affecting the therapeutic effect of lymphatic venous anastomosis was ana-lyzed,and a prediction model was established to analyze the value of this model in evaluating the clinical efficacy of lymphatic venous anastomosis.Results There was no significant difference in treatment efficiency and postoperative complication rate among different types of patients(P>0.05).The difference of circumference diameter of the lower limbs of type 3,type 4,type 5 and type 6 before and after treatment was greater than that of type 1,type 2 and type 7(P<0.05).Age,concomitant infection and lymph node venous fistula were the factors affecting the clinical efficacy of lymphatic venous anastomosis(P<0.05).The risk prediction model for the clinical efficacy of lymphatic venous anastomo-sis was developed through logistic regression analysis:P=1/[1+e(0.531Xage+0.722Xconcomitant infection+0.807Xlymph node venous fistula-1.249)].The Hosmer-Leme-show test indicated that the fitted model matched the standard curve with x2=2.190,P=0.975.The area under the curve(AUC)of the prediction model for the clinical efficacy of lymphatic venous anastomosis was 0.985,with a standard error(S.E)value of 0.009 and a 95%confidence interval(CI)of 0.967 to 1.000.Conclusion Lymphatic venous anastomosis based on MRI lymphangiography classifi-cation has better clinical efficacy and fewer complications in the treatment of lower limb lymphedema,and the prediction model based on the risk factors analysis has a high predictive value for the clinical efficacy of lymphatic venous anastomosis.
9.Comparative study of medical tissue glue in the treatment of acute hemoptysis by bronchial arterial embolization
Jingjing SONG ; Shengli YANG ; Zhongwei ZHAO ; Jianfei TU ; Jiansong JI
Journal of Practical Radiology 2024;40(11):1884-1887
Objective To evaluate the clinical application value of medical tissue glue in the treatment of acute hemoptysis by bronchial arterial embolization(BAE).Methods The clinical data of 78 patients who underwent emergency BAE for hemoptysis were retrospectively collected.Among them,18 patients who underwent embolization with medical tissue glue were selected as a study group,and other 18 patients who underwent embolization with absorbent gelatin sponge particles and spring coil were selected as a control group.The technical success rates,average surgical operation time,average surgical cost,postoperative hemoptysis recur-rence rate,and incidence of adverse reactions of the two groups were compared and analyzed.Results The technical success rates of the two groups were both 100%.There were no statistically significant differences in recurrence rate of postoperative hemoptysis and incidence of adverse reactions between the two groups(P>0.05).The average surgical operation time of study group and control group were 53.4 min[(53.4±2.2)min]and 65.4 min[(65.4±2.8)min],and the average surgical cost were 3 651 yuan[(3 651±102.7)yuan]and 5 094 yuan[(5 094±136.3)yuan],respectively.Compared with the control group,the average surgical operation time and aver-age surgical cost of the study group were shorter,and the differences were statistically significant(P<0.05).Conclusion Compared with absorbent gelatin sponge particles combined with spring coil embolization,the use of medical tissue glue for embolization is also safe and effective in the treatment of acute hemoptysis patients by BAE.The average surgical operation time is shorter,and the surgical cost for patients is lower.It is worth promoting in clinical practice.
10.Investigation and analysis of main occupational health problems in 17 plywood manufacturing enterprises in Guangxi
Wenhua HUANG ; Jianyuan ZHONG ; Jialin ZHAO ; Junjie LIN ; Jingjing LUO ; Ji HUANG ; Shiyan OU ; Yueming JIANG
Journal of Shenyang Medical College 2024;26(3):278-282
Objective:To investigate the main occupational hazards,occupational protection facilities and workers'health examination in 17 plywood manufacturing enterprises in Guangxi,so as to provide valuable basis for ensuring workers'physical and mental health.Methods:A total of 17 plywood enterprises in Guangxi were selected as the observation objects.Through the occupational hazard assessment survey,the occupational hazards in the working environment and the collection of workers'occupational health examination data,the main occupational health problems were comprehensively analyzed and evaluated.Results:The over-standard rates of wood dust,formaldehyde,noise,and high temperature in 17 plywood manufacturing enterprises were 5.6%,28.1%,24.9%,and 29.1%,respectively.The noise in 17 enterprises exceeded standards,the mood dust and formaldehyde in 5 enterprises exceeded standards,and high temperature in 2 enterprises exceeded standards.The coincidence rate of dustproof and poisonproof facilities in production protection was 98.3%,the coincidence rate of heat-proof facilities was 88.2%and the coincidence rate of noise protection facilities was 76.5%.The coincidence rate of wearing and using personal protective equipment was 52.9%,and the coincidence rate of installing eyewash spray devices was 58.8%.The total physical examination rate in 17 enterprises was 42.6%(705/1 654),and the abnormal detection rate of physical examination was 14.6%,among which the abnormal detection rates of hearing,chest X-ray,and lung function were 7.4%,2.1%,and 1.7%,respectively.Conclusions:The main occupational health problems in 17 plywood manufacturing enterprises in Guangxi are wood dust,formaldehyde,noise,and high temperature,especially noise.The prevention and control effects of wood dust and formaldehyde are good,but the prevention and control measures for high temperature and noise need to be further strengthened.

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