1.Recurrent Diabetic Ketoacidosis: Predictors and Clinical Outcomes in a 24-Year Retrospective Cohort
Liang Wei Wong ; Lisa Mohamed Nor ; Raja Nurazni binti Raja Azwan ; Adilah Zulaikha binti Abd Latib ; Hidayatil Alimi bin Keya Nordin ; Qin Zhi Lee ; Kean Heng Lim ; Jia Ling Low ; Mohd Fyzal bin Bahrudin ; Syaza binti Izhar Hisham ; Jia Whey Jacelyn Ong ; Chin Voon Tong
Journal of the ASEAN Federation of Endocrine Societies 2026;41(S1):33-34
Introduction:
Diabetic ketoacidosis (DKA) is a life-threatening complication associated with significant morbidity and healthcare
burden. Despite advances in diabetes care, recurrent
DKA remains common, often reflecting gaps in treatment
adherence and patient education. Identifying predictors
of recurrence is crucial for risk stratification and targeted
intervention.
Methodology:
We conducted a retrospective observational study of all
adult DKA admissions to a tertiary centre between 2001
and 2025. Electronic medical records were reviewed for
demographic data, biochemical parameters, precipitating
factors, and clinical outcomes. DKA was defined using standard biochemical criteria. Recurrent DKA was defined as ≥2 admissions during the study period. Factors associated
with recurrent DKA admissions were analyzed. Patients
under the age of 18 years and those with missing vital
information were excluded.
Results:
A total of 667 DKA admissions, comprising 566 patients,
were identified, of which 101 admissions (15.1%) were
recurrent, involving 65 patients. Among recurrent DKA
episodes, the most common precipitating factors were
infection (64.4%) and insulin omission (62.4%). After
multivariate analyses, patients with type 1 diabetes
mellitus (T1DM) were more likely to develop recurrent
DKA compared to those with type 2 diabetes mellitus
(aOR 4.16; 95% confidence interval [CI] 2.58–6.70; p <0.001).
Insulin omission was strongly associated with recurrent
DKA (aOR 2.29; 95% CI 1.46–3.60; p <0.001). In contrast,
baseline glycated hemoglobin and chronic kidney disease
were not significantly associated with recurrence. Diabetic
counseling during the first DKA admission did not reduce
recurrent DKA. There were no significant differences in
mortality (3.9% vs 6.2%, p = 0.524) or critical care admission
rates (40.6% vs 38.7%, p = 0.718) between recurrent and first
DKA episodes.
Conclusion
Recurrent DKA accounts for a substantial proportion of
DKA admissions and is strongly associated with insulin
omission and T1DM. Our findings suggest that recurrent
DKA is driven predominantly by behavioral and adherencerelated factors, indicating the need for multidisciplinary
interventions beyond standard inpatient counseling.
Diabetic Ketoacidosis
;
Retrospective Studies
2.Diabetic Ketoacidosis in Pregnancy: Clinical Triggers, Outcomes, and Missed Opportunities—A Case Series
Jia Whey Jacelyn Ong ; Chin Voon Tong ; Raja Nurazni binti Raja Azwan ; Adilah Zulaikha binti Abd Latib ; Hidayatil Alimi bin Keya Nordin ; Qin Zhi Lee ; Kean Heng Lim ; Jia Ling Low ; Mohd Fyzal bin Bahrudin ; Syaza binti Izhar Hisham ; Liang Wei Wong ; Lisa Mohamed Nor ; Nurain Mohd Noorr
Journal of the ASEAN Federation of Endocrine Societies 2026;41(S1):48-49
Introduction:
Diabetic ketoacidosis (DKA) in pregnancy is an uncommon
yet life-threatening emergency, with disproportionate risks
to both mother and fetus. Pregnancy-specific physiological changes predispose patients to rapid metabolic decompensation, often with atypical presentations. Despite
this, local data remain limited. We describe the clinical
profile, precipitating factors, and outcomes of DKA in
pregnancy in a tertiary centre, with emphasis on potentially
preventable triggers.
Cases:
Nine pregnant patients with DKA were identified from a
retrospective review of all cases admitted for DKA from
2002 to 2025. Mean age was 31.67 ± 5.20 years; all were
Malay. The majority had type 2 diabetes mellitus (55.6%),
followed by type 1 diabetes (33.3%) and latent autoimmune
diabetes in adults (11.1%). The mean period of amenorrhea
was 19.67 ± 12.62 weeks.
Infection was the leading precipitant (44.4%), with
additional triggers including insulin omission (22.2%),
hyperemesis gravidarum, preterm labor, steroid exposure,
and perioperative fasting. Most diagnoses were made in
the emergency department (55.6%).
Biochemical parameters reflected significant severity (mean
bicarbonate 7.89 ± 2.98 mmol/L; anion gap 25.00 ± 5.81),
with 88.9% classified as severe DKA. Intensive Care Unit
(ICU) care was required in 77.8% of cases. The majority
(77.8%) were admitted to the ICU unit, with a median time
to resolution of 13.00 ± 12.00 hours (interquartile range
[IQR]), and the median hospital length of stay was 7.00 ±
5.00 days (IQR).
Complications during treatment included hypokalemia
(33.3%), acute kidney injury (22.2%), and hypoglycemia
(11.1%). Rebound DKA occurred in one-third of patients.
All patients were discharged clinically stable. Outcome
data demonstrated pregnancy loss in three cases and one
preterm birth.
Conclusion
DKA in pregnancy remains a severe and resource-intensive
condition. This series highlights missed opportunities in
prevention, with modifiable precipitants such as infection
and insulin omission commonly identified. The high
severity at presentation suggests delays in recognition.
Early detection, optimized metabolic care, and targeted
preventive strategies are crucial to improving maternal
and fetal outcomes.
Female
;
Pregnancy
;
Diabetic Ketoacidosis
3.Artificial intelligence warning model for urosepsis after upper urinary tract stone surgery:based on clinical multimodal data
Yongwen CHEN ; Xiaoyan LUO ; Yanqiu LIANG ; Yulu WANG ; Baofei TAN ; Yifeng CHEN ; Bin LIANG ; Beiyuan HUANG ; Jiajia WEI ; Zuheng WANG ; Fubo WANG ; Guijian PANG
Academic Journal of Naval Medical University 2025;46(7):889-897
Objective To construct and validate a prediction model for urosepsis in patients after upper urinary tract stone surgery using various machine learning algorithms.Methods A total of 7 464 upper urinary tract stone patients who underwent surgery at the Sixth Affiliated Hospital of Guangxi Medical University from Jun.2018 to Jun.2023 were enrolled and randomly assigned to training(5 224 cases)or validation sets(2 240 cases)at a ratio of 7∶3.Among them,622(8.33%)cases developed urosepsis postoperatively.Six machine learning algorithms,including extreme gradient boosting(XGBoost),logistic regression,light gradient boosting machine(LightGBM),random forest(RF),adaptive boosting(AdaBoost),and gradient boosting decision tree(GBDT),were used to construct prediction models for postoperative urosepsis.The model's predictive ability and clinical benefits were evaluated using receiver operating characteristic(ROC)curves,Shapley additive explanation(SHAP)analysis,calibration curves,and decision curve analysis(DCA).Results The clinical features included body mass index(BMI),number of surgeries,heart rate,Barthel index,venous thrombo embolism(VTE)risk assessment,gender,American Society of Anesthesiologists(ASA)grade,urinary nitrite,and urinary leukocyte in the models.In the training set,the XGBoost,LightGBM,and RF models performed excellently,with area under curve(AUC)values of ROC curves reaching 1.00.In the validation set,the logistic regression model performed the best,with an AUC value of ROC curve of 0.76,showing good predictive stability and calibration.The AdaBoost and GBDT models followed with AUC values of 0.74 and 0.75,respectively,while the AUC values of the LightGBM,XGBoost,and RF models were 0.71,0.70,and 0.68.In terms of model interpretability,SHAP analysis showed the contribution of variables in a descending order as:heart rate,urinary leukocytes,gender,BMI,Barthel index,VTE risk assessment,urinary nitrite,number of surgeries,and ASA grade.Conclusion A logistic regression model for early risk prediction of postoperative urosepsis in upper urinary tract stone patients has been successfully constructed.This model has good predictive performance and calibration,and can effectively assist clinical diagnosis.
4.Guideline for Adult Weight Management in China
Weiqing WANG ; Qin WAN ; Jianhua MA ; Guang WANG ; Yufan WANG ; Guixia WANG ; Yongquan SHI ; Tingjun YE ; Xiaoguang SHI ; Jian KUANG ; Bo FENG ; Xiuyan FENG ; Guang NING ; Yiming MU ; Hongyu KUANG ; Xiaoping XING ; Chunli PIAO ; Xingbo CHENG ; Zhifeng CHENG ; Yufang BI ; Yan BI ; Wenshan LYU ; Dalong ZHU ; Cuiyan ZHU ; Wei ZHU ; Fei HUA ; Fei XIANG ; Shuang YAN ; Zilin SUN ; Yadong SUN ; Liqin SUN ; Luying SUN ; Li YAN ; Yanbing LI ; Hong LI ; Shu LI ; Ling LI ; Yiming LI ; Chenzhong LI ; Hua YANG ; Jinkui YANG ; Ling YANG ; Ying YANG ; Tao YANG ; Xiao YANG ; Xinhua XIAO ; Dan WU ; Jinsong KUANG ; Lanjie HE ; Wei GU ; Jie SHEN ; Yongfeng SONG ; Qiao ZHANG ; Hong ZHANG ; Yuwei ZHANG ; Junqing ZHANG ; Xianfeng ZHANG ; Miao ZHANG ; Yifei ZHANG ; Yingli LU ; Hong CHEN ; Li CHEN ; Bing CHEN ; Shihong CHEN ; Guiyan CHEN ; Haibing CHEN ; Lei CHEN ; Yanyan CHEN ; Genben CHEN ; Yikun ZHOU ; Xianghai ZHOU ; Qiang ZHOU ; Jiaqiang ZHOU ; Hongting ZHENG ; Zhongyan SHAN ; Jiajun ZHAO ; Dong ZHAO ; Ji HU ; Jiang HU ; Xinguo HOU ; Bimin SHI ; Tianpei HONG ; Mingxia YUAN ; Weibo XIA ; Xuejiang GU ; Yong XU ; Shuguang PANG ; Tianshu GAO ; Zuhua GAO ; Xiaohui GUO ; Hongyi CAO ; Mingfeng CAO ; Xiaopei CAO ; Jing MA ; Bin LU ; Zhen LIANG ; Jun LIANG ; Min LONG ; Yongde PENG ; Jin LU ; Hongyun LU ; Yan LU ; Chunping ZENG ; Binhong WEN ; Xueyong LOU ; Qingbo GUAN ; Lin LIAO ; Xin LIAO ; Ping XIONG ; Yaoming XUE
Chinese Journal of Endocrinology and Metabolism 2025;41(11):891-907
Body weight abnormalities, including overweight, obesity, and underweight, have become a dual public health challenge in Chinese adults: overweight and obesity lead to a variety of chronic complications, while underweight increases the risks of malnutrition, sarcopenia, and organ dysfunction. To systematically address these issues, multidisciplinary experts in endocrinology, sports science, nutrition, and psychiatry from various regions have held multiple weight management seminars. Based on the latest epidemiological data and clinical evidence, they expanded the guideline to include assessment and intervention strategies for underweight, in addition to the core content of obesity management. This guideline outlines the etiological mechanisms, evaluation methods, and multidimensional management strategies for overweight and obesity, covering key areas such as diagnosis and assessment, medical nutrition therapy, exercise prescription, pharmacological intervention, and psychological support. It is intended to provide a scientific and standardized approach to weight management across the adult population, aiming to curb the rising prevalence of obesity, mitigate complications associated with abnormal body weight, and improve nutritional status and overall quality of life.
5.Ligustilide improves demyelination of dMCAO mouse model by inhibiting inflammation through AIM2/caspase-1 signaling pathway
Ya-jie LIANG ; Jian LIU ; Ying CHEN ; Zi-wei ZHANG ; Meng PU ; Yi-bin TANG ; Hai-fei ZHANG ; Guo-bin SONG ; Cun-gen MA ; Qing WANG
Chinese Pharmacological Bulletin 2025;41(5):851-860
Aim To explore the mechanism of ligustil-ide(LIG)improving demyelination by inhibiting in-flammatory response in mice with distal middle cerebral artery occlusion(dMCAO)through AIM2/caspase-1 signal pathway.Methods Thirty C57BL/6N male mice were randomly divided into three groups:sham operation group(Sham group,n=10),model group(dMCAO group,n=10)and treatment group(LIG group,n=10).The dMCAO mouse model was estab-lished by electrocoagulation in dMCAO group and LIG group.The mice were scored by Longa after waking up,and the changes of cerebral blood flow were moni-tored by laser speckle blood flow imaging system after dMCAO.One hour after modeling,LIG(30 mg·kg-1·d-1)was injected intraperitoneally in LIG group,and the same amount of normal saline was injected in sham group and dMCAO group for one week until the end of the experiment.The mice in each group were stained with TTC,and the brain injury was observed pathologically.Fatigue turning bar test and open field test were used to evaluate the motor function and anxie-ty degree of mice,and then the brain tissues of mice were taken for black gold staining to compare the chan-ges of myelin sheath in each group.Immunofluores-cence staining was used to detect the average fluores-cence intensity of MBP,IBA1 and GFAP in CC,CPU and CX regions of mouse brains.ELISAwas used to de-tect the contents of TNF-α,IL-6,IL-1 β,IL-17A and BDNF in brain tissue proteins of mice.Western blot-ting was used to detect the protein expressions of AIM2,caspase-1 and ASC-in each group.Results Compared with the dMCAO group,the infarct area was reduced,the behavior was significantly improved and the demyelination was reduced in the LIG group.The expression of MBP protein in CC,CPU and CX regions increased(P<0.05),the expression of IBA1 in CX decreased(P<0.01),and the expression of GFAP in-creased in CC,CPU and CX regions(P<0.01).The results of ELISA showed that the levels ofTNF-α(P<0.01),IL-6(P<0.01),IL-1β(P<0.05)and IL-17A(P<0.01)significantly decreased,while the ex-pression of BDNF increased(P<0.05).The protein expression levels of AIM2,caspase-1 and ASC in mouse brain decreased after treatment(P<0.01).Conclusion LIG has a protective effect on demyelina-tion in dMCAO mice,which may be related to the inhi-bition of AIM2/caspase-1 signaling pathway and in-flammation and to the promotion of BDNF secretion.
6.Distribution and drug resistance of carbapenem-resistant gram-negative bacilli isolated from environment of ICU
Chunyan LI ; Jing ZHANG ; Liang TIAN ; Yilun ZHOU ; Bin WANG ; Mei FENG ; Yuan LI ; Shan WANG ; Wei JI
Chinese Journal of Nosocomiology 2025;35(17):2675-2680
OBJECTIVE To explore the isolation rates,drug resistance and molecular epidemiological characteristics of carbapenem-resistant gram-negative bacilli(CRGNB)isolated from intensive care units(ICU)of a tertiary hos-pital so as to provide bases for prevention and control of the nosocomial infections caused by CRGNB.METHODS The environmental surfaces that were high frequently contacted by the patients with CRGNB infections[carbapen-em-resistant Klebsiella pneumoniae(CRKP),carbapenem-resistant Acinetobacter baumannii(CRAB),carbap-enem-resistant Pseudomonas aeruginosa(CRPA)]and their hands were randomly sampled from the ICU of a ter-tiary three-A hospital from Apr.2024 to Aug.2024.Multilocus sequence typing(MLST)and detection of drug re-sistance genes were performed by means of complete genome sequencing technique and bioinformatics,and the ho-mology between the CRGNB strains isolated from the patients and the strains isolated from their surrounding was observed.RESULTS Totally 30(7.85%)strains of CRGNB were isolated,23(6.02%)of which were CRKP,7(1.83%)were CRAB,and no strain of CRPA was detected.The molecular subtyping showed that ST 11(93.33%)was dominant among the CRKP strains,and ST2(69.23%)was dominant among the CRAB strains.The phylogenetic analysis indicated that there were clonal transmission tendencies of CRKP-ST11 and CRAB-ST2.The analysis of drug resistance genes showed that the CRAB strains mainly carried ant(3")-lla(100%),blaOXA-23(92.31%)and amvA(92.31%);blaOXA-23 and blaOXA-66 were the major carbapenems resistance genes;the CRKP strains mainly carried the drug resistance genes emrDh,rmtB1,fosA and kdeA(all were 96.67%),followed by the carbapenems resistance gene blaKPC-2(90.00%).CONCLUSIONS ST11 is the predomi-nant molecular subtype for CRGNB among the CRKP strains isolated from the ICU,anf ST2 predominant among the CRAB strains;the carrying rates of drug resistance genes are high.There is risk of clonal transmission.It is necessary to strengthen the monitoring and take comprehensive infection control measures so as to reduce the incidence of nosocomial infections.
7.Effects of LINC01915 on proliferation,migration,and invasion of human colorectal cancer cells and its mechanism
Wei HAN ; Cheng LI ; Wen-han LI ; Bin-liang HUO ; Wen SHI
Journal of Regional Anatomy and Operative Surgery 2025;34(4):295-300
Objective To observe the effects of LINC01915 on the proliferation,migration and invasion of human colorectal cancer cells,and to explore its possible regulatory mechanism.Methods The colorectal cancer cell lines of SW620,SW480,LOVO,HCT116 and the normal colorectal cell line of NCM460 were selected,and the expression of LINC01915 was detected by RT-qPCR.HCT116 cell line with the highest expression of LINC01915 was taken and divided into the upregulation group,the downregulation group,the upregulation control group,the downregulation control group and the blank group.The transfection efficiency of each group was detected by fluorescence microscope;RT-qPCR was used to detect the expression of LINC01915 in each group;methyl thiazolyl tetrazolium(MTT)assay was used to detect the proliferative activity in each group;scratch wound healing assay and Transwell assay were used to detect the migration and invasion activities in each group;RT-qPCR was used to detect the expression of miR-92a-3p and mRNA expression of large tumor suppressor homolog 2(LATS2),transcription factor 21(TCF21)and Kruppel like factor 4(KLF4);and Western blot was used to detect the expression of LATS2,TCF21,and KLF4 proteins.Dual-fluorescein reporter assay was used to verify the targeting relationship between LINC01915 and miR-92a-3p.Results The expression of LINC01915 in various human colorectal cancer cell lines were lower than that in the NCM460 cell(P<0.05),and the highest LINC01915 expression in human colorectal cancer cell lines was observed in HCT116(P<0.05).The transfection efficiency of cells in each transfection group was high.Compared with the blank group and the upregulation control group,the expression of LINC01915,and mRNA and protein expression of LATS2,TCF21,and KLF4 in the upregulation group increased(P<0.05),and the A value,scratch healing rate,number of invasive cells and miR-92a-3p expression decreased(P<0.05).Compared with the blank group and the downregulation control group,the expression of LINC01915,and mRNA and protein expression of LATS2,TCF21,and KLF4 in the downregulation group decreased(P<0.05),and the A value,scratch healing rate,number of invasive cells and miR-92a-3p expression increased(P<0.05).LINC01915 had binding sites with miR-92a-3p,and compared with the miR-NC group,the miR-92a-3p mimics group showed a decrease in the luciferase activity of WT-LINC01915(P<0.05).Conclusion The expression of LINC01915 in the human colorectal cancer cell lines decreases,and upregulation of LINC01915 expression can inhibit cell proliferation,migration,and invasion,which may be related to the up-regulation of the expression of LATS2,TCF21 and KLF4 by inhibiting miR-92a-3p.
8.Outcomes of transcatheter transseptal mitral valve-in-valve replacement using Edward's SAPIEN 3 in high surgical risk patients-a multicenter study in China
Xiang CHEN ; Bin WANG ; Yi-wei XU ; Xiao-ping PENG ; Fan QIAO ; Xiang-wen LIANG ; Ke HAN ; Xiao-fei JIANG ; Xiang MA ; Wen-yi YANG ; Guo-sheng FU ; Mao-long SU ; Yan WANG
Chinese Journal of Interventional Cardiology 2025;33(2):79-86
Objective To evaluate the safety and efficacy of valve-in-valve transcatheter mitral valve replacement(ViV-TMVR)in patients with bioprosthetic valve degeneration who are at high surgical risk.Methods This study is a multi-center,retrospective cohort analysis of 20 consecutive patients who underwent transseptal ViV-TMVR using the Edwards SAPIEN 3 transcatheter heart valve(THV).The primary endpoints include technical success and procedural success,both defined according to the Mitral Valve Academic Research Consortium(MVARC)criteria,as well as mortality and functional change assessed based on New York Heart Association(NYHA)classification at 30-days and six months post-procedure.Clinical follow-up assessments are conducted at 30-days and six months.Results From February 2021 to October 2022,a total of 20 patients with symptoms of bioprosthetic valve degeneration were enrolled across nine sites in China.The patients had a mean age of(73.5±5.5)years,with 85.0%being females and 70.0%classified as NYHA class Ⅲ/Ⅳ.The study achieved a 100.0%technical success rate and a 90.0%procedural success rate finally.All patients remained alive during the 30-day follow-up period.However,six months post-intervention,two patients(10.0%)were re-hospitalized due to heart failure,and sadly,one of them(5.0%)died.None of the patients reported any adverse events related to ViV-TMVR during the follow-up period.Notably,there was a significant improvement in NYHA class compared to baseline(P=0.0004)at six-month follow-ups.Conclusions The transseptal ViV-TMVR technique proved to be highly successful and was associated with significant improvement in NYHA class function.These findings strongly suggest that it serves as a safe and efficient treatment alternative for high-risk patients suffering from bioprosthetic valve degeneration.
9.Ligustilide improves demyelination of dMCAO mouse model by inhibiting inflammation through AIM2/caspase-1 signaling pathway
Ya-jie LIANG ; Jian LIU ; Ying CHEN ; Zi-wei ZHANG ; Meng PU ; Yi-bin TANG ; Hai-fei ZHANG ; Guo-bin SONG ; Cun-gen MA ; Qing WANG
Chinese Pharmacological Bulletin 2025;41(5):851-860
Aim To explore the mechanism of ligustil-ide(LIG)improving demyelination by inhibiting in-flammatory response in mice with distal middle cerebral artery occlusion(dMCAO)through AIM2/caspase-1 signal pathway.Methods Thirty C57BL/6N male mice were randomly divided into three groups:sham operation group(Sham group,n=10),model group(dMCAO group,n=10)and treatment group(LIG group,n=10).The dMCAO mouse model was estab-lished by electrocoagulation in dMCAO group and LIG group.The mice were scored by Longa after waking up,and the changes of cerebral blood flow were moni-tored by laser speckle blood flow imaging system after dMCAO.One hour after modeling,LIG(30 mg·kg-1·d-1)was injected intraperitoneally in LIG group,and the same amount of normal saline was injected in sham group and dMCAO group for one week until the end of the experiment.The mice in each group were stained with TTC,and the brain injury was observed pathologically.Fatigue turning bar test and open field test were used to evaluate the motor function and anxie-ty degree of mice,and then the brain tissues of mice were taken for black gold staining to compare the chan-ges of myelin sheath in each group.Immunofluores-cence staining was used to detect the average fluores-cence intensity of MBP,IBA1 and GFAP in CC,CPU and CX regions of mouse brains.ELISAwas used to de-tect the contents of TNF-α,IL-6,IL-1 β,IL-17A and BDNF in brain tissue proteins of mice.Western blot-ting was used to detect the protein expressions of AIM2,caspase-1 and ASC-in each group.Results Compared with the dMCAO group,the infarct area was reduced,the behavior was significantly improved and the demyelination was reduced in the LIG group.The expression of MBP protein in CC,CPU and CX regions increased(P<0.05),the expression of IBA1 in CX decreased(P<0.01),and the expression of GFAP in-creased in CC,CPU and CX regions(P<0.01).The results of ELISA showed that the levels ofTNF-α(P<0.01),IL-6(P<0.01),IL-1β(P<0.05)and IL-17A(P<0.01)significantly decreased,while the ex-pression of BDNF increased(P<0.05).The protein expression levels of AIM2,caspase-1 and ASC in mouse brain decreased after treatment(P<0.01).Conclusion LIG has a protective effect on demyelina-tion in dMCAO mice,which may be related to the inhi-bition of AIM2/caspase-1 signaling pathway and in-flammation and to the promotion of BDNF secretion.
10.Effects of LINC01915 on proliferation,migration,and invasion of human colorectal cancer cells and its mechanism
Wei HAN ; Cheng LI ; Wen-han LI ; Bin-liang HUO ; Wen SHI
Journal of Regional Anatomy and Operative Surgery 2025;34(4):295-300
Objective To observe the effects of LINC01915 on the proliferation,migration and invasion of human colorectal cancer cells,and to explore its possible regulatory mechanism.Methods The colorectal cancer cell lines of SW620,SW480,LOVO,HCT116 and the normal colorectal cell line of NCM460 were selected,and the expression of LINC01915 was detected by RT-qPCR.HCT116 cell line with the highest expression of LINC01915 was taken and divided into the upregulation group,the downregulation group,the upregulation control group,the downregulation control group and the blank group.The transfection efficiency of each group was detected by fluorescence microscope;RT-qPCR was used to detect the expression of LINC01915 in each group;methyl thiazolyl tetrazolium(MTT)assay was used to detect the proliferative activity in each group;scratch wound healing assay and Transwell assay were used to detect the migration and invasion activities in each group;RT-qPCR was used to detect the expression of miR-92a-3p and mRNA expression of large tumor suppressor homolog 2(LATS2),transcription factor 21(TCF21)and Kruppel like factor 4(KLF4);and Western blot was used to detect the expression of LATS2,TCF21,and KLF4 proteins.Dual-fluorescein reporter assay was used to verify the targeting relationship between LINC01915 and miR-92a-3p.Results The expression of LINC01915 in various human colorectal cancer cell lines were lower than that in the NCM460 cell(P<0.05),and the highest LINC01915 expression in human colorectal cancer cell lines was observed in HCT116(P<0.05).The transfection efficiency of cells in each transfection group was high.Compared with the blank group and the upregulation control group,the expression of LINC01915,and mRNA and protein expression of LATS2,TCF21,and KLF4 in the upregulation group increased(P<0.05),and the A value,scratch healing rate,number of invasive cells and miR-92a-3p expression decreased(P<0.05).Compared with the blank group and the downregulation control group,the expression of LINC01915,and mRNA and protein expression of LATS2,TCF21,and KLF4 in the downregulation group decreased(P<0.05),and the A value,scratch healing rate,number of invasive cells and miR-92a-3p expression increased(P<0.05).LINC01915 had binding sites with miR-92a-3p,and compared with the miR-NC group,the miR-92a-3p mimics group showed a decrease in the luciferase activity of WT-LINC01915(P<0.05).Conclusion The expression of LINC01915 in the human colorectal cancer cell lines decreases,and upregulation of LINC01915 expression can inhibit cell proliferation,migration,and invasion,which may be related to the up-regulation of the expression of LATS2,TCF21 and KLF4 by inhibiting miR-92a-3p.


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