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.

BackgroundRumination can play a certain degree role of psychological adjustment in cancer patients. Previous studies have focused on studying the level of rumination in a single type of cancer patient， but there is a lack of comprehensive investigation and influencing factor research on rumination levels in different types of cancer patients. ObjectiveTo explore the level of rumination and its influencing factors among middle-advanced cancer inpatients， so as to provide certain guidance for targeted psychological care in clinical practice. MethodsFrom January 2021 to December 2022， a systematic sampling technique was used to recruit 346 patients with TNM stage III or above tumors hospitalized in Nuclear Industry 416 Hospital， Chengdu Sixth People's Hospital and the First People's Hospital of Yibin. All individuals were assessed using Perceived Social Support Scale （PSSS） and the Chinese version of Event-Related Ruminant Inventory （C-ERRI）， and Logistic regression analysis was utilized to identify the influencing factors of rumination. ResultsIn terms of C-ERRI， patients scored （15.59±5.61） on intrusive rumination and （14.59±5.43） on deliberate rumination. Education levels of junior high school/high school/vocational training school （OR=0.817， P<0.01） and junior college and above （OR=0.579， P<0.05） were the protective factors of intrusive rumination， whereas annual personal incomes of <10 000 yuan （OR=4.918， P<0.01） or 10 000~50 000 yuan （OR=2.076， P<0.01） and low （OR=6.882， P<0.01） or middle （OR=3.114， P<0.01） level of social support were the risk factors of intrusive rumination. For deliberate rumination， education levels of junior high school/high school/vocational training school （OR=0.574， P<0.01） and junior college and above （OR=0.449， P<0.05） were the protective factors， and low （OR=1.391， P<0.01） or middle （OR=1.161， P<0.05） levels of social support were the risk factors. ConclusionThe level of intrusive rumination of inpatients with middle-advanced cancer is related to education level， economic status and social support， furthermore， the level of deliberate rumination is related to the educational level and social support. ［Funded by Medical Research Project of Chengdu Health Commission （ number， 2020119）］

Inflammatory bowel disease（IBD）is a type of disease characterized by chronic intestinal inflammation，mainly including Crohn's disease，ulcerative colitis，and undifferentiated IBD. Its pathogenesis is very complex and involves multiple factors. In recent years，studies have shown that heat shock proteins（HSPs）and cell apoptosis play important roles in the occurrence and progression of IBD. HSPs not only participate in cellular stress response，but also play a crucial role in regulating cell apoptosis. The specific mechanism of the interaction between HSPs and apoptosis in IBD is currently unclear. This article reviews the relationship and mechanism between HSPs and apoptosis in the occurrence and development of IBD，explores the roles of HSPs and apoptosis in IBD，and proposes potential treatment strategies to provide more effective treatment options for IBD patients in the future.

Objective:To explore the association between uric acid and new-onset chronic kidney disease (CKD) in middle-aged and elderly hypertensive patients.Methods:This was a retrospective cohort study. Middle-aged and elderly hypertensive patients who had attended at least two annual health examinations at Yongshun Community Health Service Center in Tongzhou District, Beijing, from June 2016 to December 2020 were enrolled. The time interval between the two physical examinations was three years. The first physical examination time served as the baseline, and the second as the end of follow-up. Based on the uric acid level at baseline, the participants were divided into the normal uric acid group and the hyperuricemia group. The relevant clinical data of the participants were collected. The endpoint of the study was new-onset CKD. A multivariate logistic regression model was used to analyze the association between uric acid and new-onset CKD in hypertensive patients.Results:A total of 2 472 middle-aged and elderly hypertensive patients with an average age of (62.43±7.02) years were included. Of these, 733(29.7%) were male. There were 710 patients with hyperuricemia (hyperuricemia group) and 1 762 patients with normal uric acid levels (normal uric acid group).After adjusting for age, sex, body mass index (BMI), systolic blood pressure, diabetes mellitus, estimated glomerular filtration rate (eGFR), and uric acid-lowering treatment, multivariate logistic regression analysis showed that combined with hyperuricemia was an independent risk factor for new-onset CKD in middle-aged and elderly hypertensive patients ( OR=3.00, 95% CI: 1.87-4.80, P<0.001). The results of multivariate logistic analysis showed that elevated uric acid level was an independent risk factor for new-onset CKD in both male and female middle-aged and elderly hypertensive patients (both P<0.05), and there was no sex interaction ( P for interactio n>0.05). The results of multivariate logistic analysis showed that the combination of asymptomatic hyperuricemia was an independent risk factor for new-onset CKD in middle-aged and elderly hypertensive patients ( OR=3.00, 95% CI: 1.87-4.80, P<0.001), and there was no gender interaction ( P for interactio n>0.05). Conclusions:Hyperuricemia is an independent risk factor for new-onset CKD in middle-aged and elderly hypertensive patients, and elevated uric acid levels increase the risk of new-onset CKD in both male and female patients. Moreover, asymptomatic hyperuricemia may increase the risk of new-onset CKD.

This report presents a case of a 75-year-old patient with newly diagnosed gastric cancer,who had repeated symptoms of fatigue,confusion,and hyponatremia after 2 cycles of chemotherapy combined with nivolumab as neoadjuvant treat-ment and was later diagnosed with adrenal cortical insufficiency.After applying corticosteroid replacement therapy,there was im-provement,but cortisol remained low,and long-term corticosteroid therapy is needed.

OBJECTIVES: To investigate the impact of prenatal fear stress on placental amino acid transport and emotion and cognition development in offspring rats. METHODS: Thirty pregnant Wistar rats were randomized equally into control and fear stress (induced using an observational foot shock model) groups. In each group, placental and serum samples were collected from 6 dams on gestational day 20, and the remaining rats delivered naturally and the offspring rats were raised under the same conditions until 8 weeks of age. Emotional and cognitive outcomes of the offspring rats were assessed with behavioral tests, and placental structure was examined using HE staining. Bioinformatics analysis was used to identify differentially expressed placental transporter genes under fear stress. The expressions of system A and system L amino acid transporters, along with other specialized transporters, were detected using qRT-PCR and Western blotting. Fetal serum amino acid concentrations were determined by HPLC. The correlations between fetal amino acid levels and behavioral outcomes of the offspring rats were analyzed. RESULTS: The dams with fear stress showed reduced open-field activity and increased freezing behavior with significantly decreased placental weight, fetal weight, and fetal-to-placental ratio. Bioinformatics analysis revealed 28 differentially expressed transporter genes involved mainly in amino acid transport. In the fear stress group, fetal serum amino acid levels were significantly lowered and Slc38a1, Slc43a1, Slc43a2, Slc7a8, Slc6a6, Slc1a1 and Slc6a9 mRNA and protein expressions were all downregulated. The offspring rats in fear stress group exhibited decreased novel object preference and spontaneous alternation with reduced open arm exploration and increased immobility in emotional tests. Lower early-life amino acid levels was found to correlate with impaired adult cognition. CONCLUSIONS Prenatal fear stress in rats impairs placental amino acid transporter expression and reduces fetal serum amino acid levels, potentially contributing to long-term cognitive deficits in the offspring rats.
Animals ; Female ; Pregnancy ; Placenta/metabolism* ; Fear ; Rats ; Rats, Wistar ; Cognition ; Prenatal Exposure Delayed Effects ; Stress, Psychological ; Amino Acids/blood* ; Amino Acid Transport Systems/metabolism*

Objective: To understand the changing trends and related factors of knowledge, attitude and practice (KAP) regarding the three major infectious diseases (acquired immunodeficiency syndrome, tuberculosis, hepatitis B) among freshmen in Jiangsu from 2019 to 2022, so as to provide a reference basis for the health education of infectious diseases in schools. Methods: From 2019 to 2022, a total of 33 944 freshmen from 20 universities in Jiangsu Province were randomly selected for four consecutive years to investigate their KAP levels online through self designed questionnaires on three major infectious diseases. The multiple linear regression model was used to analyze the changing trends of students KAP levels of the three major infectious diseases, and to explore the influencing factors of KAP. Results: From 2019 to 2022, the knowledge scores(18.0±3.1,18.4±3.2,18.7±3.2,18.8±3.2), related to the three major infectious diseases showed an upward trend ( F=436.50, P <0.01), and the positive attitude reporting rates were 81.77%, 81.46%, 82.68% and 81.74%, respectively. The reporting rates of positive practice were 80.11%, 79.25%, 79.08 % and 79.04%, respectively. Multiple linear regression showed that school type, parental education level, mother s occupation, average income per person in family and living arrangements during high school all had an impact on the knowledge ( β = -1.510 -0.559), attitudes ( β =-0.043-0.065) and practice ( β =-0.028-0.027) of the three major infectious diseases ( P < 0.05 ). The family residence areas only affected the reporting rate of positive attitude scores ( β =0.002-0.065), and whether only children or not affected the reporting rate of positive practice scores ( β =0.009)( P <0.05). The knowledge score showed an upward trend ( β= 0.297, P <0.01), the positive attitude reporting rate showed no statistically significant change ( β=0.001, P =0.22), and the positive practice reporting rate showed a downward trend ( β=-0.005, P <0.01). Conclusions Freshman in Jiangsu Province from 2019 to 2022 have shown a separation in KAP scores regarding the three major infectious diseases. Targeted measures should be taken to improve their health practice level.

Objective:To explore the mechanism of long non-coding RNA(lncRNA)HOXA transcript at the distal tip(HOT-TIP)in promoting the proliferation,migration and invasion of oral cancer cells via the mitogen activated protein kinase/extracellu-lar regulated protein kinase(MAPK/ERK)pathway.Methods:Human oral cancer KB cells were cultured in vitro and divided into control(without any treatment),pcDNA(transfected with pcDNA-NC,A group),pcDNA-HOTTIP(transfected with pcDNA-HOT-TIP,B group),MAPK/ERK pathway inhibitor PD98059(PD98059 group,50 μmol/L PD98059,C group)and pcDNA-HOTTIP+PD98059 groups(transfected with pcDNA-HOTTIP+50 μmol/L PD98059,D group).qRT-PCR was applied to detect HOTTIP mRNA expression,scratch test was applied to detect KB cell migration,Transwell assay was applied to detect cell invasion,flow cytometry was applied to detect cell apoptosis,CCK-8 was used to detect cell proliferation,Western blot was applied to detect the MAPK/ERK signaling pathway and epithelial mesenchymal transition(EMT)related protein expression levels in KB cells.Results:Compared with the control group,the KB cell scratch healing rate,cell invasion number,A450 value,p-MEK1/2,p-ERK1/2,and N-cadherin expression in pcDNA-HOTTIP group increased,the apoptosis rate and E-cadherin expression reduced(P＜0.05);scratch healing rate,cell invasion number,A450 value,p-MEK1/2,p-ERK1/2,and N-cadherin expression in PD98059 group reduced,the apoptosis rate and E-cadherin expression increased(P＜0.05).PD98059 weakened the role of HOT-TIP in promoting proliferation,migration and invasion of KB cells.Conclusion:LncRNA HOTTIP promotes proliferation,migra-tion,and invasion of KB cells by activating the MAPK/ERK pathway.

Objective To conduct bibliometrics and visual analysis of local benign paroxysmal positional verti-go(BPPV)research in the past 20 years for further basic and clinical research in the future.Methods We collected the journal articles on BPPV published between January 1,2004 and December 31,2023 from the databases of CNKI,Wanfang,VIP and Web of Science Core Collection.Multidimensional measurement and visual analysis were carried out using bibliometrics software to identify the research hotspots and new trends in this field,and to deter-mine the cooperation and influence among authors,institutions and journals.Results A total of 717 Chinese papers and 212 SCI papers were utilized for the analysis.The literature in this field gradually increased at an average annual growth rate of 12.8％,among which the Journal of Clinical Otolaryngology Head and Neck Surgery published the most articles(n=167),followed by the Chinese Journal of Otology(n=94)and the Journal of Audiology and Speech Pathology(n=76).The journal with the largest number of SCI publications is Frontiers in Neurology(n=44).In terms of authors and institutions,Zhuang Jianhua published the most Chinese papers,Yang Xu published the most SCI papers,and Shanghai Jiaotong University published the earliest and most SCI papers in this field(n=21).The main research keywords in this realm in recent years involve video head pulse test,vestibular migraine,re-sidual symptoms,residual dizziness and anxiety.The keywords retaining burst intensity to 2023 include video head pulse test,residual dizziness,children,anxiety,and residual symptoms.Conclusion Video head impulse test,re-sidual dizziness,children,anxiety and other aspects are critical areas of ongoing research in BPPV.