Objective: To develop a RHCE genotyping assay based on kompetitive allele-specific PCR (KASP) and assess its clinical accuracy for RhCE blood group determination. Methods: KASP primers were designed to interrogate three RHCE loci: the 109 bp insertion/deletion in intron 2, c. 307T>C, and c. 676C>G. A total of 1 194 RhD-positive inpatients from Chengdu were typed by both KASP genotyping and manual tube serology. Discordant samples (n=10) were retested by both methods and further resolved by Sanger sequencing. An additional 377 cases were tested for the c. 48C>G locus to evaluate the predictive accuracy of individual loci and combined locus testing for RhC antigen. Results: Genotyping concordance with serology was 100.0% for both the c. 676C>G locus (RhE/Rhe) and the c. 307T>C locus (Rhc). For RhC prediction using the 109 bp insertion, overall accuracy was 99.7% (1 191/1 194); the 3 discordant cases were confirmed by Sanger sequencing to be false negatives attributable to 109 bp deletion in intron 2. Testing the c. 48C>G allele for RhC prediction yielded 7 false positives, with an accuracy of 98.1% (370/377). RhC antigen status was determined by combining the 109 bp insertion and the c. 48C allele. After excluding 10 samples with inconsistent results between the two loci, the accuracy reached 100% in the remaining 367 samples. When both loci were applied in combination, accuracy reached 100% in the 367 cases with concordant results. Among the 1 194 patients, CCee (45.8%) and CcEe (31.7%) were the most common RhCE phenotypes. The e antigen had the highest positivity rate (92.2%), and the Ce haplotype was the most frequent (66.9%). Conclusion: The KASP-based RHCE genotyping method achieves high accuracy for clinical RhCE typing. Combining the 109 bp insertion/deletion with the c. 48C allele significantly improves RhC antigen prediction compared with either locus alone. This method was applied to RhCE genotyping of 1 194 RhD-positive inpatients in Chengdu, providing local RhCE phenotype and haplotype distribution data to support RhCE-matched transfusion practice.

Objective To study the characteristics and correlation of tone perception and production in Man-darin Chinese in children with autism spectrum disorder(ASD).Methods Thirty-one children with ASD and 26 normal children were tested on their recognition of the four Mandarin tones.Simultaneously,the acoustic features of the four tones produced in the words"wa1"(frog,with first tone),"wa2"(doll,with second tone),"wa3"(tile,with third tone),and"wa4"(sock,with fourth tone)were analyzed and compared between the two groups.Results The ASD group exhibited significantly lower recognition accuracy rates for all four tones compared to the control group(P＜0.05),with highly significant differences for the second and third tones(P＜0.001).Significant differ-ences were also found in the standard deviation of the fundamental frequency(F0)for the production of all four tones between the ASD and control groups.Furthermore,the slope of the second tone and the turning point F0 and falling slope of the third tone showed significant differences(P＜0.05 or P＜0.001).Correlation analysis revealed that the recognition accuracy of the second tone was positively correlated with the slope of the first and second tones and the F0 standard deviation.The recognition accuracy of the third tone was negatively correlated with the turning point F0,and that of the fourth tone was negatively correlated with the falling slope of the third tone.Conclusion Children with ASD demonstrate deficits in tone perception and production,with prominent difficulties in recognizing and producing the second and third tones,and overall instability in tone production.

Objective To evaluate the efficacy and safety of enteric-coated metformin hydrochloride capsules(Junlida?)in patients with T2DM and poor glycemic control under lifestyle interventions.Methods In this study,419 patients with T2DM were recruited from 15 research centers from July 2020 to March 2022,and randomly divided into observation(Obs)group(n=209)and control group(Con,n=210)using a multicenter,randomized,double-blind,non-inferiority trial design.Patients in the Obs group were treated with enteric-coated Metformin hydrochloride capsules(Junlida?),and patients in the Con group were treated with Metformin hydrochloride tablets(Glucophage?).The optimal effective dose of 2 g/d was achieved within 4 weeks,and the reasonable dose was maintained until the end of treatment.The treatment period was 24 weeks.HbA1c and its compliance rate,FPG,and body weight were compared between the two groups in full analysis set(FAS)and protocol set(PPS).Safety and adverse events(AE)were evaluated in safety set(SS).Results A total of 414 participants were randomized(207 cases in Obs group and 207 cases in Con group).414 cases in FAS population(207 cases in Obs group and 207 cases in Con group),and 328 cases in PPS population(164 cases in Obs group and 164 cases in Con group),and 414 cases in SS population(207 cases in Obs group and 207 cases in Con group).After treatment,HbA1c,FPG and body weight were lower in both groups(P<0.05)in FAS and PPS.HbA1c compliance rate was not significantly different between the two groups in FAS and PPS(P>0.05).The results of non-inferiority test showed that the lower limit was>-0.4%in both FAS(-0.154,95%CI-0.384～0.069)and PPS(-0.139,95%CI-0.390～0.112),and the Obs group reached non-inferiority end point.The achievement rate,compliance rate,safety index and incidence of AE were not significantly different between the two groups(P>0.05).Conclusions Junlida? demonstrated non-inferiority to Glucophage? in glycemic control and can be safely and effectively used in patients with diabetes.

Objective:To establish and assess the quality control and improvement system for metabolic and bariatric surgery in Beijing.Methods:Based on relevant documents from the National Health Commission and the Beijing Municipal Health Commission,and referencing the Metabolic and Bariatric Surgery Accreditation and Quality Improvement Program (MBSAQIP) by the American Society for Metabolic and Bariatric Surgery,a quality control system was developed under the Beijing Quality Control and Improvement Center of Metabolic and Bariatric Surgery. The system incorporated on-site evaluations,data registration,and specialized training. From May to December 2023,on-site assessments were conducted at 21 hospitals in Beijing performing bariatric surgery,evaluating personnel qualifications,infrastructure,clinical workflows,and postoperative follow-up. A quality control database was created to collect real-time surgical data,and training was provided for data entry and professional skills. Assessment results were classified as excellent,qualified,or needing improvement,with rectification suggestions offered and follow-up visits conducted to track progress.Results:All 21 hospitals achieved a 100% compliance rate for surgical indications, 16 (76.2%) met standardized surgical operation criteria,and 14 (66.7%) had standardized postoperative management. However,only 5 (23.8%) achieved a 12-month postoperative follow-up rate of ≥60%,and 4 (19.1%) had established specialized databases. Key challenges included insufficient specialized staffing (19.1%), lack of multidisciplinary collaboration (47.6%), inadequate equipment (57.1%), and low follow-up rates (57.1%). The database collected data from over 2 000 patients across 111 fields. After rectification, specialized database coverage rose to 61.9% (13 hospitals). Multi-level training programs developed backbone physicians and specialized nurses,significantly addressing the shortage of specialized personnel.Conclusion:The quality control system established in this study,through the integration of on-site evaluation,data registration,and specialized training,effectively enhances the standardization of surgical practices and data management capabilities.

Background::An evidence gap still exists regarding the efficacy and safety of tegoprazan in patients with erosive esophagitis (EE) in China. This study aimed to verify the efficacy and safety of tegoprazan vs. esomeprazole in patients with EE in China. Methods::This study was a multicenter, randomized, double-blind, parallel, active-controlled, non-inferiority phase III trial of patients with EE randomized 1:1 to tegoprazan 50 mg/day vs. esomeprazole 40 mg/day. This study was conducted in 32 sites between October 24, 2018 and October 18, 2019. The primary endpoint was the cumulative endoscopic healing rate at week 8. The secondary endpoint included endoscopic healing rate at week 4, changes in the reflux disease questionnaire (RDQ) and gastroesophageal reflux disease health-related quality of life (GERD-HRQL) scores, and symptom improvement. Results::A total of 261 patients were randomized: 132 to the tegoprazan group and 129 to the esomeprazole group. The cumulative endoscopic healing rate at 8 weeks in the tegoprazan group was non-inferior to that of the esomeprazole group (91.1% vs. 92.8%, difference: -1.7%, 95% confidence interval [CI]: -8.5%, 5.0%, P = 0.008). There were no statistically significant differences in the changes in RDQ (total, severity, and frequency) and GERD-HRQL scores between the two groups (all P >0.05). The percentages of days without symptoms, including daytime and nighttime symptoms based on patients' diaries, were similar between the two groups (all P >0.05). In the tegoprazan and esomeprazole groups, 71.5% (93/130) and 61.7% (79/128) of the participants reported adverse events (AEs), 2.3% and 0 experienced serious AEs, while 70.0% and 60.2% had treatment-emergent AEs, respectively. Conclusion::Tegoprazan 50 mg/day demonstrated non-inferior efficacy in healing EE, symptom improvement, and quality of life, and it has similar tolerability compared with esomeprazole 40 mg/day.

Objective To evaluate the efficacy and safety of enteric-coated metformin hydrochloride capsules(Junlida?)in patients with T2DM and poor glycemic control under lifestyle interventions.Methods In this study,419 patients with T2DM were recruited from 15 research centers from July 2020 to March 2022,and randomly divided into observation(Obs)group(n=209)and control group(Con,n=210)using a multicenter,randomized,double-blind,non-inferiority trial design.Patients in the Obs group were treated with enteric-coated Metformin hydrochloride capsules(Junlida?),and patients in the Con group were treated with Metformin hydrochloride tablets(Glucophage?).The optimal effective dose of 2 g/d was achieved within 4 weeks,and the reasonable dose was maintained until the end of treatment.The treatment period was 24 weeks.HbA1c and its compliance rate,FPG,and body weight were compared between the two groups in full analysis set(FAS)and protocol set(PPS).Safety and adverse events(AE)were evaluated in safety set(SS).Results A total of 414 participants were randomized(207 cases in Obs group and 207 cases in Con group).414 cases in FAS population(207 cases in Obs group and 207 cases in Con group),and 328 cases in PPS population(164 cases in Obs group and 164 cases in Con group),and 414 cases in SS population(207 cases in Obs group and 207 cases in Con group).After treatment,HbA1c,FPG and body weight were lower in both groups(P<0.05)in FAS and PPS.HbA1c compliance rate was not significantly different between the two groups in FAS and PPS(P>0.05).The results of non-inferiority test showed that the lower limit was>-0.4%in both FAS(-0.154,95%CI-0.384～0.069)and PPS(-0.139,95%CI-0.390～0.112),and the Obs group reached non-inferiority end point.The achievement rate,compliance rate,safety index and incidence of AE were not significantly different between the two groups(P>0.05).Conclusions Junlida? demonstrated non-inferiority to Glucophage? in glycemic control and can be safely and effectively used in patients with diabetes.

[Objective]To investigate the prevalence rate of chronic non-communicable diseases(NCDs)and the association with quality of life in middle-aged and elderly patients with HIV/AIDS.[Methods]This cross-sectional study surveyed 432 patients with HIV/AIDS(aged≥45 years)in the Infectious Disease Center in Guangzhou Eighth People's Hospital of Guangzhou Medical University,and 366 participants were included in the analysis after quality control.A questionnaire and the EuroQol 5-Dimensional 3-level version(EQ-5D-3L)were used to investigate NCDs and quality of life and Tobit regression model was used to estimate the association between chronic diseases and quality of life.[Results]Among the 366 participants,29(7.9%)had cardiovascular disease,45(12.3%)had hypertension,122(33.3%)had hyperglycemia,151(41.3%)had hyperlipidemia,7(1.9%)had cancer,17(4.6%)had chronic kidney disease,38(10.4%)had chronic liver disease,21(5.7%)had musculoskeletal disorders,and 253(69.1%)suffered from at least one type of chronic diseases.The median(lower and upper quartiles)of EQ-5D utility index was 1.000(0.964～1.000).Multivariate Tobit regression results of the total population showed that cancer[ba=-0.08,95%CI(-0.15,-0.01),P=0.036],chronic kidney disease[ba=-0.07,95%CI(-0.12,-0.02),P=0.006],musculoskeletal disease[ba=-0.09,95%CI(-0.13,-0.05),P<0.001],and≥3 types of chronic diseases[ba=-0.05,95%CI(-0.08,-0.01),P=0.013]were negatively correlated with EQ-5D utility index.The stratified analysis results of different CD4+T cell levels showed that hypertension[ba=-0.07,95%CI(-0.12,-0.02),P=0.007],chronic kidney disease[ba=-0.10,95%CI(-0.18,-0.03),P=0.006],musculoskeletal disease[ba=-0.15,95%CI(-0.22,-0.07),P<0.001]and≥3 types of chronic diseases[ba=-0.09,95%CI(-0.09,-0.01),P<0.001]were negatively correlated with EQ-5D utility index in the group with CD4≤500(cells/μL),whereas cancer[ba=-0.11,95%CI(-0.20,-0.01),P=0.031]was negatively correlated with EQ-5D utility index in the group with CD4＞500(cells/μL).[Conclusions]The prevalence rate of chronic non-communicable diseases in middle-aged and elderly patients with HIV/AIDS is relatively high.The classification of NCDs such as cancer or chronic kidney disease or other chronic diseases and the numbers of NCDs categories are negatively correlated with quality of life.However,this association varies among patients with HIV/AIDS of different CD4+T cell levels.It is suggested that we should try to prevent and identify NCDs at an early stage,strengthen linkages and integration of health services for AIDS and chronic NCDs,and jointly manage and control AIDS with chronic diseases to improve the quality of life among people living with HIV/AIDS.

Depression is a prevalent mental and emotional disor-der that often results in significant emotional disturbances,cog-nitive dysfunction,and memory impairments.It is characterized by a high incidence rate,a substantial disability burden,and limited therapeutic efficacy.Currently,the long-term use of medications for the treatment of depression can result in a range of adverse reactions,highlighting the urgent need to explore no-vel approaches that can effectively alleviate depressive symptoms while minimizing side effects.Curcumin,a natural polyphenolic compound derived from the rhizome of turmeric,demonstrates considerable potential in the prevention and treatment of depres-sion,owing to its diverse array of biological activities.In recent years,numerous studies have investigated the use of curcumin for the treatment of depression.This article aims to provide a comprehensive review of the mechanisms of action underlying curcumin's efficacy in treating depression.Specifically,it focu-ses on its ability to improve neurotransmitter imbalances,restore neural plasticity,alleviate neural damage,mitigate dysfunction of the hypothalamic-pituitary-adrenal(HPA)axis,regulate in-flammatory factors and neuroinflammatory signaling pathways,and inhibit oxidative stress.This review is intended to offer in-sights and methodological references for basic research on curcu-min,as well as for the development of novel therapeutic agents for the treatment of depression.

Objective To study the characteristics and correlation of tone perception and production in Man-darin Chinese in children with autism spectrum disorder(ASD).Methods Thirty-one children with ASD and 26 normal children were tested on their recognition of the four Mandarin tones.Simultaneously,the acoustic features of the four tones produced in the words"wa1"(frog,with first tone),"wa2"(doll,with second tone),"wa3"(tile,with third tone),and"wa4"(sock,with fourth tone)were analyzed and compared between the two groups.Results The ASD group exhibited significantly lower recognition accuracy rates for all four tones compared to the control group(P＜0.05),with highly significant differences for the second and third tones(P＜0.001).Significant differ-ences were also found in the standard deviation of the fundamental frequency(F0)for the production of all four tones between the ASD and control groups.Furthermore,the slope of the second tone and the turning point F0 and falling slope of the third tone showed significant differences(P＜0.05 or P＜0.001).Correlation analysis revealed that the recognition accuracy of the second tone was positively correlated with the slope of the first and second tones and the F0 standard deviation.The recognition accuracy of the third tone was negatively correlated with the turning point F0,and that of the fourth tone was negatively correlated with the falling slope of the third tone.Conclusion Children with ASD demonstrate deficits in tone perception and production,with prominent difficulties in recognizing and producing the second and third tones,and overall instability in tone production.

Depression is a prevalent mental and emotional disor-der that often results in significant emotional disturbances,cog-nitive dysfunction,and memory impairments.It is characterized by a high incidence rate,a substantial disability burden,and limited therapeutic efficacy.Currently,the long-term use of medications for the treatment of depression can result in a range of adverse reactions,highlighting the urgent need to explore no-vel approaches that can effectively alleviate depressive symptoms while minimizing side effects.Curcumin,a natural polyphenolic compound derived from the rhizome of turmeric,demonstrates considerable potential in the prevention and treatment of depres-sion,owing to its diverse array of biological activities.In recent years,numerous studies have investigated the use of curcumin for the treatment of depression.This article aims to provide a comprehensive review of the mechanisms of action underlying curcumin's efficacy in treating depression.Specifically,it focu-ses on its ability to improve neurotransmitter imbalances,restore neural plasticity,alleviate neural damage,mitigate dysfunction of the hypothalamic-pituitary-adrenal(HPA)axis,regulate in-flammatory factors and neuroinflammatory signaling pathways,and inhibit oxidative stress.This review is intended to offer in-sights and methodological references for basic research on curcu-min,as well as for the development of novel therapeutic agents for the treatment of depression.