Neddylation is a crucial posttranslational modification that involves the attachment of neural precursor cell-expressed developmentally downregulated protein 8(NEDD8)to a lysine residue in the substrate via the sequen...Neddylation is a crucial posttranslational modification that involves the attachment of neural precursor cell-expressed developmentally downregulated protein 8(NEDD8)to a lysine residue in the substrate via the sequential actions of the E1 NEDD8-activating enzyme(NAE)(E1),E2 NEDD8-conjugating enzyme(E2),and E3 NEDD8-ligase(E3).The most extensively studied substrates of neddylation are members of the cullin family,which act as scaffold components for cullin ring E3 ubiquitin ligases(CRLs).Since cullin neddylation activates CRLs,which are frequently overactive in tumors,inhibiting neddylation has emerged as a promising strategy for developing novel antitumor therapies.This review explores the antitumor effects of inhibiting neddylation that leads to the inactivation of CRLs and provides a summary of known inhibitors that target protein-protein interactions(PPIs)within the neddylation enzymatic cascade.展开更多
BACKGROUND Ultrasound classification can be used to determine the severity of adhesive intestinal obstruction and to guide the formulation of treatment plans.AIM To explore the value of ultrasound classification in di...BACKGROUND Ultrasound classification can be used to determine the severity of adhesive intestinal obstruction and to guide the formulation of treatment plans.AIM To explore the value of ultrasound classification in disease judgment and treatment plan formulation for patients with adhesive intestinal obstruction.METHODS The medical records of 120 patients with adhesive intestinal obstruction presenting at Taihe Hospital Affiliated with Hubei Medical College were retrospectively analyzed from January 2022 to January 2024 according to the severity of ultrasound images,divided into simple(mild),complex(moderate),and critical(severe),analyzing the imaging characteristics of patients with different ultrasound classifications,and developing the corresponding treatment plan according to the ultrasound typing results,that is,conservative treatment and surgical treatment,contrast the ultrasound signs of patients in the conservative vs surgical treatment groups,and the value of ultrasound classification in the treatment of adhesive ileus.RESULTS Among the 120 patients,P>0.05,compared with the general data(sex,age,body quality index,time to onset,and history of onset),the proportion of bowel distension and abdominal effusion(P>0.05),and the proportion of adhesion mass and cross-cross in the conservative treatment group,P<0.05.CONCLUSION Ultrasound typing can aid in the clinical evaluation of the severity of adhesive intestinal obstruction and provide an imaging reference for clinicians to develop targeted treatment plans.展开更多
基金supported by the National Natural Science Foundation of China(Grant Nos.:82060675 and 82260036)the Guizhou Provincial Science and Technology Projects,China(Grant Nos.:QKHCG[2024]ZD012 and QKHJCZK[2024]YB306)+1 种基金the Guizhou Provincial High-Level(“Thousand”Level)Innovative Talents Projects,China(Grants Nos:gzwjrs2023-034 and gzwjrs2023-041)the Zunyi Science and Technology Plan Project,China(Grant Nos.:ZSKRPT-2023-6 and ZSKHZ-2023-219).
文摘Neddylation is a crucial posttranslational modification that involves the attachment of neural precursor cell-expressed developmentally downregulated protein 8(NEDD8)to a lysine residue in the substrate via the sequential actions of the E1 NEDD8-activating enzyme(NAE)(E1),E2 NEDD8-conjugating enzyme(E2),and E3 NEDD8-ligase(E3).The most extensively studied substrates of neddylation are members of the cullin family,which act as scaffold components for cullin ring E3 ubiquitin ligases(CRLs).Since cullin neddylation activates CRLs,which are frequently overactive in tumors,inhibiting neddylation has emerged as a promising strategy for developing novel antitumor therapies.This review explores the antitumor effects of inhibiting neddylation that leads to the inactivation of CRLs and provides a summary of known inhibitors that target protein-protein interactions(PPIs)within the neddylation enzymatic cascade.
文摘BACKGROUND Ultrasound classification can be used to determine the severity of adhesive intestinal obstruction and to guide the formulation of treatment plans.AIM To explore the value of ultrasound classification in disease judgment and treatment plan formulation for patients with adhesive intestinal obstruction.METHODS The medical records of 120 patients with adhesive intestinal obstruction presenting at Taihe Hospital Affiliated with Hubei Medical College were retrospectively analyzed from January 2022 to January 2024 according to the severity of ultrasound images,divided into simple(mild),complex(moderate),and critical(severe),analyzing the imaging characteristics of patients with different ultrasound classifications,and developing the corresponding treatment plan according to the ultrasound typing results,that is,conservative treatment and surgical treatment,contrast the ultrasound signs of patients in the conservative vs surgical treatment groups,and the value of ultrasound classification in the treatment of adhesive ileus.RESULTS Among the 120 patients,P>0.05,compared with the general data(sex,age,body quality index,time to onset,and history of onset),the proportion of bowel distension and abdominal effusion(P>0.05),and the proportion of adhesion mass and cross-cross in the conservative treatment group,P<0.05.CONCLUSION Ultrasound typing can aid in the clinical evaluation of the severity of adhesive intestinal obstruction and provide an imaging reference for clinicians to develop targeted treatment plans.