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Retroperitoneal bronchogenic cyst:A case report and review of literature

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World Journal of Clinical Cases 2024年第15期12卷 2586-2596页

作者： Abdul Malik Qais Ahmad Naseer Muhammad Asad Iqbal Shi-Ya Han Sheng-Chun Dang Department of General Surgery The Affiliated Hospital of Jiangsu UniversityZhenjiang 212001Jiangsu ProvinceChina Department of Preventive Medicine and Public Health Laboratory Science School of MedicineJiangsu UniversityZhenjiang 212013Jiangsu ProvinceChina Department of Laboratory Medicine School of MedicineJiangsu UniversityZhenjiang 212013Jiangsu ProvinceChina Department of Clinical pharmacy Shenyang Pharmaceutical UniversityShenyang 110000Liaoning ProvinceChina Department of Surgery Siyang HospitalSuqian 223700Jiangsu ProvinceChina

BACKGROUND Bronchogenic cysts are rare developmental anomalies that belong to the category of congenital enterogenous *** arise from lung buds and are present at *** embryonic foregut is their ***,they are located within the chest cavity,particularly in the cavum mediastinale of the thoracic cavity or lodged in the pulmonary parenchyma,and are considered a type of lung bud *** SUMMARY A 49-year-old male patient was admitted to the hospital due to the detection of a retroperitoneal mass during a physical *** weeks before admission,the patient underwent a physical examination and routine laboratory tests,which revealed a space-occupying mass in the retroperitoneal *** patient did not report any symptoms(such as abdominal pain,flatulence,nausea,vomiting,high fever,or chills).The computed tomography(CT)revealed a retroperitoneal spaceoccupying lesion with minimal enhancement and a CT value of approximately 36 Hounsfield *** lesion was not delineated from the boundary of the pancreatic body and was closely related to the retroperitoneum *** Following a series of tests,an abdominal mass was identified,prompting the implementation of a laparoscopic retroperitoneal mass excision *** the investigation,an 8 cm×7 cm cystic round-shaped mass with a distinct demarcation was identified in the upper posterior region of the ***,full resection of the mass was *** pathological examination reveled a cystic mass characterized by a smooth inner *** cystic mass was found to contain a white,viscous liquid within its capsule.

关键词： Bronchogenic cyst Retroperitoneal space Excision Laparoscopic surgery Case report

The effect of lengths of branched-chain fatty alcohols on the efficacy and safety of docetaxel-prodrug nanoassemblies

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Acta Pharmaceutica Sinica B 2024年第3期14卷 1400-1411页

作者： Shuo Wang Tian Liu Yuetong Huang Chaoying Du Danping Wang Xiyan Wang Qingzhi Lv Zhonggui He Yinglei Zhai Bingjun Sun Jin Sun Wuya College of Innovation Shenyang Pharmaceutical UniversityShenyang 110016China school of pharmacy Shenyang Pharmaceutical UniversityShenyang 110016China school of Medical Devices Shenyang Pharmaceutical UniversityShenyang 110016China school of pharmacy Binzhou Medical UniversityBinzhou 256600China

The self-assembly prodrugs are usually consisted of drug modules,activation modules,and assembly *** the balance between efficacy and safety by selecting suitable modules remains a challenge for developing prodrug *** study designed four docetaxel(DTX)prodrugs using disulfide bonds as activation modules and different lengths of branched-chain fatty alcohols as assembly modules(C_(16),C_(18),C_(20),and C_(24)).The lengths of the assembly modules determined the self-assembly ability of prodrugs and affected the activation modules’*** extension of the carbon chains improved the prodrugs’self-assembly ability and pharmacokinetic behavior while reducing the cytotoxicity and increased cumulative *** use of C_(20) can balance efficacy and *** results provide a great reference for the rational design of prodrug nanoassemblies.

关键词： Prodrugs Nanoassemblies Self-assembly Branched-chain fatty alcohols Disulfide bond Docetaxel Efficacy Safety

Systems Theory-Driven Framework for AI Integration into the Holistic Material Basis Research of Traditional Chinese Medicine

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Engineering 2024年第9期40卷 28-50页

作者： Jingqi Zeng Xiaobin Jia school of Traditional Chinese pharmacy China Pharmaceutical UniversityNanjing 211198China State Key Laboratory of Natural Medicines China Pharmaceutical UniversityNanjing 210009China

This paper introduces a systems theory-driven framework to integration artificial intelligence(AI)into traditional Chinese medicine(TCM)research,enhancing the understanding of TCM’s holistic material basis while adhering to evidence-based *** the System Function Decoding Model(SFDM),the research progresses through define,quantify,infer,and validate phases to systematically explore TCM’s material *** employs a dual analytical approach that combines top-down,systems theory-guided perspectives with bottom-up,elements-structure-function methodologies,provides comprehensive insights into TCM’s holistic material ***,the research examines AI’s role in quantitative assessment and predictive analysis of TCM’s material components,proposing two specific AIdriven technical *** interdisciplinary effort underscores AI’s potential to enhance our understanding of TCM’s holistic material basis and establishes a foundation for future research at the intersection of traditional wisdom and modern technology.

关键词： Artificial intelligence Systems theory Traditional Chinese medicine Material basis Bottom-up

Icariin attenuates vascular endothelial dysfunction by inhibiting inflammation through GPER/Sirt1/HMGB1 signaling pathway in type 1 diabetic rats

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Chinese Journal of Natural Medicines 2024年第4期22卷 293-306页

作者： YAO Wenhui TAO Rongpin WANG Kai DING Xuansheng school of Basic Medicine and Clinical pharmacy China Pharmaceutical UniversityNanjing211198China

Icariin, a flavonoid glycoside, is extracted from Epimedium. This study aimed to investigate the vascular protective effects of icariin in type 1 diabetic rats by inhibiting high-mobility group box 1 (HMGB1)-related inflammation and exploring its potential mechanisms. The impact of icariin on vascular dysfunction was assessed in streptozotocin (STZ)-induced diabetic rats through vascular reactivity studies. Western blotting and immunofluorescence assays were performed to measure the expressions of target proteins. The release of HMGB1 and pro-inflammation cytokines were measured by enzyme-linked immunosorbent assay (ELISA). The results revealed that icariin administration enhanced acetylcholine-induced vasodilation in the aortas of diabetic rats. It also notably reduced the release of pro-inflammatory cytokines, including interleukin-8 (IL-8), IL-6, IL-1β, and tumor necrosis factor-alpha (TNF-α) in diabetic rats and high glucose (HG)-induced human umbilical vein endothelial cells (HUVECs). The results also unveiled that the pro-inflammatory cytokines in the culture medium of HUVECs could be increased by rHMGB1. The increased release of HMGB1 and upregulated expressions of HMGB1-related inflammatory factors, including advanced glycation end products (RAGE), Toll-like receptor 4 (TLR4), and phosphorylated p65 (p-p65) in diabetic rats and HG-induced HUVECs, were remarkably suppressed by icariin. Notably, HMGB1 translocation from the nucleus to the cytoplasm in HUVECs under HG was inhibited by icariin. Meanwhile, icariin could activate G protein-coupled estrogen receptor (GPER) and sirt1. To explore the role of GPER and Sirt1 in the inhibitory effect of icariin on HMGB1 release and HMGB-induced inflammation, GPER inhibitor and Sirt1 inhibitor were used in this study. These inhibitors diminished the effects of icariin on HMGB1 release and HMGB1-induced inflammation. Specifically, the GPER inhibitor also negated the activation of Sirt1 by icariin. These findings suggest t

关键词： Icariin Diabetes Inflammation Vascular endothelial dysfunction GPER HMGB1

Tumor-targeted metabolic inhibitor prodrug labelled with cyanine dyes enhances immunoprevention of lung cancer

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Acta Pharmaceutica Sinica B 2024年第2期14卷 751-764页

作者： Wen Li Jiali Huang Chen Shen Weiye Jiang Xi Yang Jingxuan Huang Yueqing Gu Zhiyu Li Yi Ma Jinlei Bian State Key Laboratory of Natural Medicines China Pharmaceutical UniversityNanjing 210009China Department of Biomedical Engineering School of EngineeringChina Pharmaceutical UniversityNanjing 210009China jiangsu Key Laboratory of Drug Design and Optimization Department of Medicinal ChemistrySchool of PharmacyChina Pharmaceutical UniversityNanjing 210009China

Recent progress in targeted metabolic therapy of cancer has been limited by the considerable toxicity associated with such *** address this challenge,we developed a smart theranostic prodrug system that combines a fluorophore and an anticancer drug,specifically 6-diazo-5-oxo-L-norleucine(DON),using a thioketal linkage(TK).This system enables imaging,chemotherapy,photodynamic therapy,and on-demand drug release upon radiation *** optimized prodrug,DON-TK-BM3,incorporating cyanine dyes as the fluorophore,displayed potent reactive oxygen species release and efficient tumor cell *** the parent drug DON,DON-TK-BM3 exhibited no toxicity toward normal ***,DON-TK-BM3 demonstrated high tumor accumulation and reduced side effects,including gastrointestinal toxicity,in *** study provides a practical strategy for designing prodrugs of metabolic inhibitors with significant toxicity stemming from their lack of tissue selectivity.

关键词： Smart prodrug system Glutamineantagonists Immunotherapy Photodynamictherapy Reactive oxygen species Metabolicinhibitor Cyaninedye Non-small-cell lung cancer(NSCLC)

LA-D-B1,a novel Abemaciclib derivative,exerts anti-breast cancer effects through CDK4/6

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BIOCELL 2024年第5期48卷 847-860页

作者： LING MA ZIRUI JIANG XIAO HOU YUTING XU ZIYUN CHEN SIYI ZHANG HANXUE LI SHAOJIE MA GENG ZHANG XIUJUN WANG JING JI jiangsu Key Laboratory of Marine pharmaceutical Compound Screening College of PharmacyJiangsu Ocean UniversityLianyungang222000China school of Medicine Xiamen UniversityXiamen361102China

Background:Regulatory proteins involved in human cellular division and proliferation,cyclin-dependent kinases 4 and 6(CDK4/6)are overexpressed in numerous cancers,including triple-negative breast cancer(TNBC).TNBC is a common pathological subtype of breast cancer that is prone to recurrence and metastasis,and has a single treatment *** one of the CDK4/6 inhibitors,abemaciclib can effectively inhibit the growth of breast *** this study,we synthesized LA-D-B1,a derivative of Abemaciclib,and investigated its anti-tumor effects in breast ***:Cellular viability was assessed using the 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide(MTT)*** cloning and migration abilities were determined by colony formation assay and wound healing *** invasion abilities and adhesion were determined by cell invasion assay and cell adhesion *** impact of compound LA-D-B1 on cell proliferation and the cell cycle was analyzed through Western blotting,which quantified the levels of proteins associated with the cyclin-dependent kinase(CDK)4/6-cyclin D-Rb-E2F *** in vivo anti-tumor activity of compound LA-D-B1 was investigated using a chick chorioallantoic membrane(CAM)***:The study demonstrated that LA-D-B1 effectively suppressed breast cancer cell proliferation,induced apoptosis,and caused cell cycle ***,LA-D-B1 reduced the expression of key proteins in the CDK4/6-cyclin D-Rb-E2F pathway,including CDK4,CDK6 and *** results also indicated significant antitumor activity of LA-D-B1 in a transplanted tumor ***:In this study,LA-D-B1 demonstrated a potent anti-tumor effect by effectively suppressing cell proliferation and inhibiting cell cycle progression in breast *** findings highlight the potential of LA-D-B1 as a valuable compound for enhancing therapeutic outcomes and controlling the progression of breast cancer.

关键词： CDK4/6 inhibitor Breast cancer Antitumor activity Cell cycle

Tau truncation in the pathogenesis of Alzheimer's disease:a narrative review

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Neural Regeneration Research 2024年第6期19卷 1221-1232页

作者： Dandan Chu Xingyue Yang Jing Wang Yan Zhou Jin-Hua Gu Jin Miao Feng Wu Fei Liu Key Laboratory of Neuroregeneration of jiangsu and Ministry of Education NMPA Key Laboratory for Research and Evaluation of Tissue Engineering Technology ProductsCoinnovation Center of NeuroregenerationNantong UniversityNantongJiangsu ProvinceChina Department of Pharmacology School of PharmacyNantong UniversityNantongJiangsu ProvinceChina Department of Biochemistry and Molecular Biology School of MedicineNantong UniversityNantongJiangsu ProvinceChina Department of Clinical pharmacy Affiliated Maternity and Child Health Care Hospital of Nantong UniversityNantong UniversityNantongJiangsu ProvinceChina Laboratory of Animal Center Nantong UniversityNantongJiangsu ProvinceChina Department of Neurochemistry Inge Grundke-Iqbal Research FloorNew York State Institute for Basic Research in Developmental DisabilitiesStaten IslandNYUSA

Alzheimer's disease is characterized by two major neuropathological hallmarks—the extracellularβ-amyloid plaques and intracellular neurofibrillary tangles consisting of aggregated and hyperphosphorylated Tau *** studies suggest that dysregulation of the microtubuleassociated protein Tau,especially specific proteolysis,could be a driving force for Alzheimer's disease *** physiologically promotes the assembly and stabilization of microtubules,whereas specific truncated fragments are sufficient to induce abnormal hyperphosphorylation and aggregate into toxic oligomers,resulting in them gaining prion-like *** addition,Tau truncations cause extensive impairments to neural and glial cell functions and animal cognition and behavior in a fragment-dependent *** review summarizes over 60 proteolytic cleavage sites and their corresponding truncated fragments,investigates the role of specific truncations in physiological and pathological states of Alzheimer's disease,and summarizes the latest applications of strategies targeting Tau fragments in the diagnosis and treatment of Alzheimer's disease.

关键词： Alzheimer's disease cleavage site diagnosis marker neurofibrillary tangles phosphorylation Tau Tau aggregation therapy truncation

Reversibly size-switchable polyion complex micelles for antiangiogenic cancer therapy

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Chinese Chemical Letters 2024年第7期35卷 377-382页

作者： Mengjuan Sun Muye Zhou Yifang Xiao Hailei Tang Jinhua Chen Ruitao Zhang Chunjiayu Li Qi Ya Qian Chen Jiasheng Tu Qiyue Wang Chunmeng Sun NMPA Key Laboratory for Research and Evaluation of pharmaceutical Preparations and Excipients China Pharmaceutical UniversityNanjing 210009China State Key Laboratory of Natural Medicines China Pharmaceutical UniversityNanjing 211198China Department of Pharmaceutics School of PharmacyChina Pharmaceutical UniversityNanjing 211198China jiangsu Provincial Key Laboratory of Drug Metabolism and Pharmacokinetics China Pharmaceutical UniversityNanjing 210009China school of pharmaceutical Science Nanjing Tech UniversityNanjing 211816China

Size is one of the most important characteristics of nanoparticles to influence their biodistribution and antitumoral *** with large sizes have difficulty in deep tumor penetration,while small particles are easily removed from tumor tissues due to the high tumor interstitial fluid *** address these issues,an intelligent core-crosslinked polyion complex micelle(cPCM)with a reversibly sizeswitchable feature was engineered in this *** micelles are consisting of methoxy poly(ethylene glycol)-poly(D,L-lactide)copolymer(mPEG-PLA),mPEG-PLA-(HE)6CC,and mPEG-PLA-(RG)6CC at an optimal mass ratio of 6:1:1 with an antiangiogenic compound,dabigatran etexilate(DE),*** net charge inside the micelles is switchable when exposed to different pH conditions,thereby leading to revisable size-change of ***-loaded micelles(DE@cPCM)can swell and release drugs at the tumor sites with a mildly acidic pH,while they shrink and protect the cargo from leaking into the blood circulation with a neutral *** indicated that DE@cPCM can inhibit tumor angiogenesis in vitro and in vivo,thereby efficiently restraining tumor growth in a 4T1-bearing mouse ***,the sizeswitchable cPCM is a promising nanoplatform for targeting delivery of anticarcinogens into the matrix of tumor tissues.

关键词： Polyion complex micelle Size-switchable Revisable size-change pH response Antiangiogenic cancer

Divergent defluorocarboxylation of α-CF_(3) alkenes with formate via photocatalyzed selective mono-or triple C-F bond cleavage

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Science china Chemistry 2024年第1期67卷 368-373页

作者： Xing-Yu Wang Pei Xu Wen-Wen Liu Hao-Qiang Jiang Song-Lei Zhu Dong Guo Xu Zhu jiangsu Key Laboratory of New Drug Research and Clinical pharmacy School of PharmacyXuzhou Medical UniversityXuzhou 22100China

Unprecedented divergent synthesis of gem-difluorovinylacetic acid and glutaric acid derivatives fromα-CF_(3)alkenes with formate as the carbonyl source was *** reaction can undergo selective mono-or triple C-F bond cleavage by simply switching the photocatalyst and hydrogen atom transfer(HAT)catalyst under visible-light-induced conditions at room *** acts as both the C1 source and the reductant through the generation of CO_(2)^(·-)species,which underwent Giese radical addition to electron-deficient alkenes to trigger the consecutive C-F bond cleavage and carboxylation process.

关键词： C-F bond activation defluorocarboxylation carbon dioxide radical anion visible light