Objective To assess apoptosis mediated by the cell death receptor Fas in peripheral T lymphocytes of patients with abdominal aortic aneurysm. Methods The apoptotic pathway was triggered by anti-Fas monoclonal antibody in cultured and activated peripheral T-cells from 20 AAA patients. Control groups consisted of 15 patients with aortic atherosclerotic occlusive disease(AOD)and 25 healthy individuals. Cell survival and death rate were assessed. Results Cross-linkage of Fas receptor exerted a strong apoptotic response on T cells from AOD patients and healthy controls, while the effect on T cells was very limited from that of AAA patients. The evaluation of cell Survival rate showed a significantly higher percentage in AAA group(98.9%±10.3%)than in the AOD subjects(58.9%±15.2%)or the healthy group(59.4%±12.9%;P＜0.001＝.Apoptosis assessment by annexin V and propidium iodide staining and flow cytometry showed similar results. The defect in AAA group was not due to decreased fas expressed at normal levels. Moreover,it specifically involved the Fas system because cell death was induced in the normal way by methylprednisolone. Conclusions Fas-induced apoptosis in activated T cell from AAA patients is impaired. This may disturb the normal down-regulation of the immune response and thus provide a new insight into possible mechanisms and routes in the pathogenesis of AAA.

Purpose To study of predictive value for detection of high-grade cervical intraepithelial neoplasia (CIN2 +) by p16/Ki-67 dual-stained liquid-based cytology.Methods Random collection of 123 women including 103 samples of atypical squamous cell of undetermined significance (ASC-US) and above with results of high-risk human papillomavirus (HR-HPV)testing and cervical biopsy,20 samples of negative for intraepithelial lesion or malignancy (NILM) by using immunocytochemical p16/Ki-67 dual-stained and the morphology assessment.Results In normal control group,the expression of p16/Ki-67 dual-stained in squamous epithelial cells were negative.Sensitivity of p16/Ki-67 dual-staind cytology for biopsy-confirmed CIN2 + was 66.67％ (ASC-US),91.67％ (LSIL) and 92.86％ (HSIL),specificity rates were 95.92％ (ASC-US),95.00％ (LSIL) and 0 (HSIL),positive predictive value were 50.00％ (ASC-US),91.67％ (LSIL) and 92.86％ (HSIL),negative predictive value were 97.92％ (ASC-US),95.00％(LSIL) and 0 (HSIL),respectively.Condusion p16/Ki-67 dual-stained cytology are improved obviously the predictive value for detection of CIN2 +,p16/Ki-67 dual-stained cytology may efficiently complement HPV-based screening programs to prevent cervical cancer.

Objective To investigate the diagnostic value of DNA ploidy analysis combined with immunocytochemistry p16/ki-67 double staining in cervical high grade squamous intraepithelial neoplasia(HSIL) and cervical squamous cell carcinoma(SCC).Methods A total of 73 cases of cytological tests were randomly collected.Among them,53 cases were small DNA ploidy abnormal cells and 20 cases were DNA ploidy negative.The p16/Ki-67 results were detected by immunocytochemistry double staining.With the pathological results as the golden standard,the diagnostic values of DNA ploidy analysis and DNA ploidy analysis combined with p16/Ki-67 double staining in HSIL + was contrastively analyzed by pathologic results.Results Among 20 samples of DNA ploidy negative,the p16/Ki-67 double staining results all were negative.The positive predictive value of DNA ploidy analysis for HSIL + was 34.62％.The sensitivity of DNA ploidy analysis combined with p16/Ki-67 double staining for HSIL + was 84.62％,and its specificity was 92.31％,the positive predictive value was 78.57％ and the negative predictive value was 94.74％,which were significantly higher than those of DNA ploidy analysis(P＜0.05).Conclusion p16/Ki-67 double staining can significantly im prove the prediction value of HSIL.The DNA ploidy analysis combined with p16/Ki-67 double staining is an effective method for predicting HSIL +,which is suitable for the implementation in the areas with lack of medical resources.

The interferons(IFNs) are a family of the multifunctional cytokines, which are a kind of highly active and multifunctional glycoproteins.Studies in recent years have shown that IFNs exert a powerful antitumor effect by regulating the proliferation of tumor cells, suppressing tumor metastasis and angiogenesis, and activating antitumor immune response.Combined with other tumor treatment methods, it can inhibit the development of a variety of blood system tumors and solid tumors.In addition, the use of IFNs inducers or IFNs combined with emerging immunotherapy can significantly increase the effectiveness of tumor therapy.This review focuses on our understanding of antitumor mechanism and clinical application of IFNs, and provides some guidance for future research and clinical treatment.

Background Atrial electrical remodeling(AER)plays an important role in the pathogenesis and maintenance of atrialfibrillation.However,little is known about modulation of vagal activilty to AER.This study aimed to investigate the relationshipbetween vagal moduation and AER. Methods Twenty four adult mongrel dogs under general anesthesia were randomized into 3groups.Sympathetic activity was blocked by administration of metoprolol in 3 groups.The changes in vagal modulation to atria afterAER were observed in 10 dogs without vagal interruption in group A.The effects of vagal intervention on AER were investigated in 8dogs with administration of atropine in group B.The impact of aggressively vagal activity on AER was studied in 6 dogs with bilateralcervical vag sympathetic trunLks stimulation during AER in group C.Bilateral cervicall vagosympathetic trunks were decentralized.Multipolar catheters wereplaced into high right atria(RA),coronary sinus(CS)and rightventricle(RV).AER was induced by 600 bpmpacing through RA catheter for 30 minutes.Attial effective refractory period(ERP)and vulnerability window (VW)of atrial fibrillationwere measured with and without vagal stimulation before and after AER.Results In group A,ERP decreased significantly at baselineand during vagal stimulation after AER compared with that beforeAER(all P＜0.05).In group B,ERP remaind unchanged at baselineand vagal stimulation after AER compared with tbat before AER (all P＞0.05).In group C,ERP shortened significantly at baseline andvagal stimulation after AER compared with that before AER(all P＜0.05).ERP shortening after AER in Groups A and C increasedsignificantly than that in group B (all P＜0.05).Atrial fibrillation could not be induced at baseline(VW close to 0) before and after AERin three groups.VW became widen significantly during vagal stimulation after AER compared with that before AER in Groups A and C(all P＜0.05),while VW remained unchanged in group B (VW close to 0).Conclusions Short-term AER results in the decrease inERP.AER is accompanied by the increases in atrial vagal modulation.The increased vagal activity and vagal stimulation promote AER,thereby increase the susceptibility to atrial fibrillation.The interrupted vagal activity attenuates AER.thereby suppresses the atriaIfibrillation mediated by vagal stimutlation.

Objective To investigate the effects of propofol and remimazolam on the proliferation of prostate cancer cells and related mechanisms.Methods Human prostate cancer cell lines DU145 and PC3 were selected and cultured to the logarithmic growth phase.Cells were randomly divided into four groups:the control group(group C),the propofol group(group P),the remimazolam group(group R),and the propofol combined with remimazolam group(group PR).Group C was cultured with complete medium,groups P and R were cultured with semi-inhibitory concentrations(IC50)of propofol and remimazolam(IC50 of propofol in DU145 and PC3 cells were 120 μg/ml and 100 μg/ml,IC50 of remimazolam were 500 μmol/L and 400 μmol/L),and DU145 cells in group PR were co-cultured with low concentration propofol 100 μg/ml and remimazolam 400 μmol/L,PC3 cells were co-cultured with low concentrations of propofol 80 μg/ml and remimazolam 300 μmol/L.The absorbance of 0,6,12,24,and 36 hours after incubation of the wells was determined by CCK-8.The number of colonies of 14 days after incubation was calculated by colony for-mation assay.qPCR and Western blot were used to detect the expression of mRNA and protein of c-Myc and cyclin D1.The key target genes of propofol and remimazolam on prostate cancer cells were identified by net-work pharmacological analysis,and the expression of mRNA and protein of the target gene were detected by qPCR and Western blot.Results Compared with group C,the absorbance at 36 hours,the number of colo-nies and the expression of mRNA and protein of c-Myc and cyclin D1 were decreased significantly in groups P,R,and PR of DU145 and PC3 cells(P＜0.05).Compared with group P,in DU145 cells,the absor-bance at 36 hours and the expression of mRNA of cyclin D1 in groups R and PR were significantly reduced,the expression of mRNA of c-Myc in group R was increased significantly,the number of colonies and the ex-pression of protein of c-Myc in group PR were significantly reduced(P＜0.05).In PC3 cells,the expres-sion of mRNA and protein of cyclin D1 in the group R were significantly reduced,the absorbance at 36 hours and the expression of mRNA and protein of c-Myc and cyclin D1 in group PR were significantly re-duced(P＜0.05).Compared with group R,the number of colonies and the expression of mRNA and pro-tein of c-Myc in group PR of DU145 and PC3 cells were significantly reduced(P＜0.05).The results of network pharmacological analysis showed that the common target of propofol,remimazolam and prostate cancer was signal transducer and activator of transcription 3(STAT3).Compared with group C,the expres-sion of mRNA and protein of STAT3 were decreased significantly in groups P,R,and PR in DU145 and PC3 cells(P＜0.05).Compared with group P,in DU145 cells,the expression of mRNA and protein of STAT3 were increased significantly in group R,the expression of protein of STAT3 was increased signifi-cantly in group PR(P＜0.05).In PC3 cells,the expression of mRNA of STAT3 was decreased significant-ly in group R(P＜0.05).Compared with group R,the expression of protein of STAT3 was decreased sig-nificantly in group PR in DU145 cells(P＜0.05).Conclusion The proliferation of prostate cancer cells can be inhibited by propofol and remimazolam alone or synergistically and they can also reduce the expres-sion of mRNA and protein of c-Myc and cyclin D1,the mechanism may be related to the inhibition of ex-pression of STAT3 which is the member of the HIF-1α pathway.

Objective To explore the effect of home care in hospital on the improvement of the post-discharged quality of life in preterm infants.Methods Seventy-four preterm infants who were hospitalized in NICU of Kunming Children's Hospital from August of 2015 to July of 2016 were included and divided into the control group and the invention group at random. Thirty-seven preterm infants were included into each group. The preterm infants in the control group accepted the conventional treatment and nursing in hospital. Besides the conventional treatment and nursing, the parents of the preterm infants in the intervention group accepted the preterm infant nursing which simulated the home environment when the infants were in hospital. Using the follow-up investigation method, the weight increasing, the rate of re-visiting the doctor of the preterm infants in the two groups were observed when they were discharged.Results One month after discharge the weight increasing of the preterm infants in the intervention group was(0.987±0.231) kg, which was significantly higher compared to the control group(0.760±0.179) kg (t=15.22,P<0.05). One month after discharge the rate of re-visiting the doctor in the intervention group was 1, which was significantly fewer compared to the control group (χ2=8.86,P<0.05).Conclusions Home care in hospital increases the parents' ability of taking care of preterm infants effectively, improves the health level and the development of preterm infants in NICU when they were discharged.

As a leading cause of respiratory disease, influenza A virus (IAV) presents a pandemic threat in annual seasonal outbreaks. Given the limitation of existing anti-influenza therapies, there remains to be a requirement for new drugs. Compound Yi-Zhi-Hao pellet (CYZH) is a famous traditional Chinese medicine (TCM) used in the clinic, whose formula has been recorded into treat common cold. In this study, we found that CYZH exhibited a broad-spectrum anti-influenza activity and inhibited the expression of viral RNA and proteins. Mechanistically, CYZH had no inhibitory activities against viral protein hemagglutinin and IAV RNA-dependent RNA polymerase. Instead, it induced activation of erythroid 2-related factor 2 (Nrf2) and nuclear factor kappa B (NF-B), which subsequently upregulated heme oxygenase-1 (HO-1) expression. Also, CYZH protected cells from oxidative damage induced by reactive oxygen series. In conclusions, CYZH inhibits IAV replication, at least partly by activating expression of the Nrf2/HO-1 pathway.

Carotenoids are secondary metabolite responsible for colored pigments in plants and microbes (Li et al., 2022). They are a class of C₄₀ tetraterpenoids consisting of eight isoprenoid units, and can be classified into carotenes and xanthophylls on the basis of their functional groups (Saini et al., 2015). Carotenes can be linear (phytoene, phytofluene, and ζ‍-carotene) or branched (β‍-carotene and α‍-carotene). Xanthophylls comprise β,β‍-xanthophylls (β‍-cryptoxanthin, zeaxanthin, violaxanthins, and neoxanthin) and β,ε‍-xanthophylls (α-cryptoxanthin, α-carotene, and lutein). Citrus fruits are complex sources of carotenoids, which are the principal pigments responsible for the typical orange color of most types (Chen, 2020). The difference in total carotenoid content and the diversity of carotenoid isomer proportion also accounts for other colors of citrus fruits, such as yellow, red, and pink (Chen, 2020).
Citrus/metabolism* ; Carotenoids ; Xanthophylls ; Lutein/metabolism* ; Zeaxanthins/metabolism* ; Fruit