BACKGROUND Ulcerative colitis(UC)is an inflammatory condition with frequent relapse and recurrence.Evidence suggests the involvement of SLC6A14 in UC pathogenesis,but the central regulator remains unknown.AIM To explo...BACKGROUND Ulcerative colitis(UC)is an inflammatory condition with frequent relapse and recurrence.Evidence suggests the involvement of SLC6A14 in UC pathogenesis,but the central regulator remains unknown.AIM To explore the role of SLC6A14 in UC-associated pyroptosis.METHODS Quantitative real-time polymerase chain reaction(qRT-PCR),immunoblotting,and immunohistochemical were used to assess SLC6A14 in human UC tissues.Lipopolysaccharide(LPS)was used to induce inflammation in FHC and NCM460 cells and model enteritis,and SLC6A14 levels were assessed.Pyroptosis markers were quantified using enzyme-linked immunosorbent assay,Western blotting,and qRT-PCR,and EdU incubation,CCK-8 assays and flow cytometry were used to examine proliferation and apoptosis.Mouse models of UC were used for verification.RESULTS SLC6A14 was increased and correlated with NLRP3 in UC tissues.LPS-induced FHC and NCM460 cells showed increased SLC6A14 levels.Reducing SLC6A14 increased cell proliferation and suppressed apoptosis.Reducing SLC6A14 decreased pyroptosis-associated proteins(ASC,IL-1β,IL-18,NLRP3).NLRP3 overexpression counteracted the effects of sh-SLC6A14 on LPS-induced FHC and NCM460 cell pyroptosis.SLC6A14 improved the mucosa in mice with dextran sulfate sodium-induced colitis.CONCLUSION SLC6A14 promotes UC pyroptosis by regulating NLRP3,suggesting the therapeutic potential of modulating the SLC6A14/NLRP3 axis.展开更多
癫痫伴肌阵挛-失张力发作(epilepsy with myoclonic-atonic seizures,EMAS)既往称为肌阵挛-站立不能性癫痫(myoclonic-astatic epilepsy)或肌阵挛-失张力癫痫(myoclonic-atonic epilepsy,MAE)。EMAS是1970年由德国医生Doose等首次报道,...癫痫伴肌阵挛-失张力发作(epilepsy with myoclonic-atonic seizures,EMAS)既往称为肌阵挛-站立不能性癫痫(myoclonic-astatic epilepsy)或肌阵挛-失张力癫痫(myoclonic-atonic epilepsy,MAE)。EMAS是1970年由德国医生Doose等首次报道,所以也被称为Doose综合征[1]。2010年国际抗癫痫联盟(International League Against Epilepsy,ILAE)将本病更名为癫痫伴肌阵挛-失张力发作,是一种以常染色体显性遗传的罕见的癫痫综合征,EMAS占儿童期癫痫的0.3%~2.2%,通常发病于7个月~6岁,癫痫发作类型包括肌阵挛-失张力、失张力、肌阵挛、全身性强直-阵挛、失神和强直性癫痫发作。脑电图(EEG)可能表现出不规则的广义棘波或多棘波复合波。展开更多
基金Supported by The Key Research and Development Projects of Sichuan Science and Technology Department,No.2023YFS0285Natural Science Foundation Project of Sichuan Science and Technology Department,No.2023NSFSC0613.
文摘BACKGROUND Ulcerative colitis(UC)is an inflammatory condition with frequent relapse and recurrence.Evidence suggests the involvement of SLC6A14 in UC pathogenesis,but the central regulator remains unknown.AIM To explore the role of SLC6A14 in UC-associated pyroptosis.METHODS Quantitative real-time polymerase chain reaction(qRT-PCR),immunoblotting,and immunohistochemical were used to assess SLC6A14 in human UC tissues.Lipopolysaccharide(LPS)was used to induce inflammation in FHC and NCM460 cells and model enteritis,and SLC6A14 levels were assessed.Pyroptosis markers were quantified using enzyme-linked immunosorbent assay,Western blotting,and qRT-PCR,and EdU incubation,CCK-8 assays and flow cytometry were used to examine proliferation and apoptosis.Mouse models of UC were used for verification.RESULTS SLC6A14 was increased and correlated with NLRP3 in UC tissues.LPS-induced FHC and NCM460 cells showed increased SLC6A14 levels.Reducing SLC6A14 increased cell proliferation and suppressed apoptosis.Reducing SLC6A14 decreased pyroptosis-associated proteins(ASC,IL-1β,IL-18,NLRP3).NLRP3 overexpression counteracted the effects of sh-SLC6A14 on LPS-induced FHC and NCM460 cell pyroptosis.SLC6A14 improved the mucosa in mice with dextran sulfate sodium-induced colitis.CONCLUSION SLC6A14 promotes UC pyroptosis by regulating NLRP3,suggesting the therapeutic potential of modulating the SLC6A14/NLRP3 axis.
文摘癫痫伴肌阵挛-失张力发作(epilepsy with myoclonic-atonic seizures,EMAS)既往称为肌阵挛-站立不能性癫痫(myoclonic-astatic epilepsy)或肌阵挛-失张力癫痫(myoclonic-atonic epilepsy,MAE)。EMAS是1970年由德国医生Doose等首次报道,所以也被称为Doose综合征[1]。2010年国际抗癫痫联盟(International League Against Epilepsy,ILAE)将本病更名为癫痫伴肌阵挛-失张力发作,是一种以常染色体显性遗传的罕见的癫痫综合征,EMAS占儿童期癫痫的0.3%~2.2%,通常发病于7个月~6岁,癫痫发作类型包括肌阵挛-失张力、失张力、肌阵挛、全身性强直-阵挛、失神和强直性癫痫发作。脑电图(EEG)可能表现出不规则的广义棘波或多棘波复合波。
