1.Effects of Sini Decoction on Ischemic (Anoxic) Electrocardiogram
Weikang WU ; Wentao JIN ; Canhua LUO
Chinese Traditional and Herbal Drugs 1994;0(03):-
Effects of Sini decoctiou (SD ) on ischemic (anoxic ) electrocardiogram (ECG ) and possible action mechanism of SD were studied.Results indicate that SD significantly improves the pituitrin induced ischemic ECG of rabbits, significantly prevents S-T scgment from desconding and suppresses the elevation of T wave; SD can also lengthen significantly cardioe lectric activity time of anoxic mice. The protective cffects of SD on ischemic (anoxic ) myocardium may be related to the significant increase of myocardial nutritional blood flow induced by administrating SD.
2.Percutaneous transhepatic one-step biliary fistulation lithotomy combined with laparoscopic cholecystectomy for choledocholithiasis with gall stones
Canhua ZHU ; Beiwang SUN ; Ping WANG ; Yanmin LIU ; Yanjun LUO ; Jiafen XIE ; Xinghua ZHOU
Chinese Journal of General Surgery 2021;36(3):178-181
Objective:To evaluate the clinical value of percutaneous transhepatic one-step biliary fistulation(PTOBF)lithotomy plus laparoscopic cholecystectomy(LC) in the treatment of choledocholithiasis combined with cholecystolithiasis.Methods:From Jul 2012 to Jun 2018, 44 patients with cholecystolithiasis and choledocholithiasis were treated by PTOBF + LC ( n=20) vs laparoscopic common bile duct exploration(LCBDE)+ LC( n=24). Results:The success rate of one-step operation in both groups was 100%.The average intra-operative hemorrhage and the average hospital stay after operation were higher in LCBDE+ LC group (all P<0.05). The post-operative complication rate of PTOBF lithotomy + LC group was 10.0% (2/20), recurrence rate of observation period was 10.0% (2/20), while that of LCBDE+ LC group was 8.3% (2/24), and 12.5% (3/24), the difference was not statistically significant (all P>0.05). Conclusion:PTOBF lithotomy combined with LC is a safe, effective and feasible minimally invasive method for the treatment of choledocholithiasis combined with gall stones.
3.Repurposing econazole as a pharmacological autophagy inhibitor to treat pancreatic ductal adenocarcinoma.
Ningna WENG ; Siyuan QIN ; Jiayang LIU ; Xing HUANG ; Jingwen JIANG ; Li ZHOU ; Zhe ZHANG ; Na XIE ; Kui WANG ; Ping JIN ; Maochao LUO ; Liyuan PENG ; Edouard C NICE ; Ajay GOEL ; Suxia HAN ; Canhua HUANG ; Qing ZHU
Acta Pharmaceutica Sinica B 2022;12(7):3085-3102
Pancreatic ductal adenocarcinoma (PDAC) is characterized by the highest mortality among carcinomas. The pathogenesis of PDAC requires elevated autophagy, inhibition of which using hydroxychloroquine has shown promise. However, current realization is impeded by its suboptimal use and unpredictable toxicity. Attempts to identify novel autophagy-modulating agents from already approved drugs offer a rapid and accessible approach. Here, using a patient-derived organoid model, we performed a comparative analysis of therapeutic responses among various antimalarial/fungal/parasitic/viral agents, through which econazole (ECON), an antifungal compound, emerged as the top candidate. Further testing in cell-line and xenograft models of PDAC validated this activity, which occurred as a direct consequence of dysfunctional autophagy. More specifically, ECON boosted autophagy initiation but blocked lysosome biogenesis. RNA sequencing analysis revealed that this autophagic induction was largely attributed to the altered expression of activation transcription factor 3 (ATF3). Increased nuclear import of ATF3 and its transcriptional repression of inhibitor of differentiation-1 (ID-1) led to inactivation of the AKT/mammalian target of rapamycin (mTOR) pathway, thus giving rise to autophagosome accumulation in PDAC cells. The magnitude of the increase in autophagosomes was sufficient to elicit ER stress-mediated apoptosis. Furthermore, ECON, as an autophagy inhibitor, exhibited synergistic effects with trametinib on PDAC. This study provides direct preclinical and experimental evidence for the therapeutic efficacy of ECON in PDAC treatment and reveals a mechanism whereby ECON inhibits PDAC growth.