Objective To investigate the expression of serum circPTP4A2 and circFOXP1 and their relationship with prognosis in patients with acute ischemic stroke(AIS).Methods The clinical data of 132 AIS patients(AIS group)and 140 healthy subjects(normal control group)were collected.The expression levels of serum circPTP4A2 and circFOXP1 in the two groups were detected by quantitative reverse transcription PCR(qRT-PCR).According to the NIHSS score at 24 h after admission,the patients were divided into mild group(＜4 points),moderate group(4-15 points),and severe group(＞15 points).According to the mRS score at 90 d of follow-up,the patients were divided into good prognosis group(≤2 points)and poor prognosis group(＞2 points).The Pearson method was applied to analyze the correlation between the expression levels of serum circPTP4A2 and circFOXP1 with the degree of AIS.Multivariate Logistic regression was applied to analyze the factors influencing the prognosis of AIS patients.ROC curve was applied to analyze the predictive value of serum circPTP4A2 and circFOXP1 expression for the prognosis of AIS patients,and the comparison of areas under curve(AUC)was performed through Z-test.Results Compared with those in normal control group,the level of serum circFOXP1 in the AIS group was significantly decreased,and the level of circPTP4A2 was significantly increased(all P＜0.001).There were significant differences in the levels of serum circPTP4A2 and circFOXP1 among the mild group,the moderate group and the severe group(F=151.235,P＜0.001;F=178.161,P＜0.001).Compared with those in mild group,the levels of serum circPTP4A2 in the moderate group and severe groups were significantly increased,and the levels of circFOXP1 were significantly decreased(all P＜0.05).Compared with those in moderate group,the level of serum circPTP4A2 in the severe group was significantly increased,and the level of circFOXP1 was significantly decreased(all P＜0.05).The level of serum circPTP4A2 was positively correlated with the severity of AIS(r=0.447,P＜0.001),and the level of serum circFOXP1 was negatively correlated with the severity of AIS(r=-0.412,P＜0.001).Compared with those in good prognosis group,the infarct volume,NIHSS score and serum circPTP4A2 level in the poor prognosis group were significantly increased,and the serum circFOXP1 level was significantly decreased(all P＜0.001).Multivariate Logistic regression analysis showed that circPTP4A2 was a risk factor for poor prognosis in AIS patients(OR=2.217,95％CI:1.429-3.439,P＜0.001),and circFOXP1 was a protective factor(OR=0.466,95％CI:0.295-0.737,P=0.001).The combined prediction of serum circPTP4A2 and circFOXP1 for poor prognosis was better than that of individual prediction(Z=2.532,P=0.011;Z=3.668,P=0.000).Conclusion The level of serum circPTP4A2 in AIS patients is increased,and the level of serum circFOXP1 is decreased,both of them have certain predictive value for the prognosis of AIS patients.

Objective To investigate the expression of serum circPTP4A2 and circFOXP1 and their relationship with prognosis in patients with acute ischemic stroke(AIS).Methods The clinical data of 132 AIS patients(AIS group)and 140 healthy subjects(normal control group)were collected.The expression levels of serum circPTP4A2 and circFOXP1 in the two groups were detected by quantitative reverse transcription PCR(qRT-PCR).According to the NIHSS score at 24 h after admission,the patients were divided into mild group(＜4 points),moderate group(4-15 points),and severe group(＞15 points).According to the mRS score at 90 d of follow-up,the patients were divided into good prognosis group(≤2 points)and poor prognosis group(＞2 points).The Pearson method was applied to analyze the correlation between the expression levels of serum circPTP4A2 and circFOXP1 with the degree of AIS.Multivariate Logistic regression was applied to analyze the factors influencing the prognosis of AIS patients.ROC curve was applied to analyze the predictive value of serum circPTP4A2 and circFOXP1 expression for the prognosis of AIS patients,and the comparison of areas under curve(AUC)was performed through Z-test.Results Compared with those in normal control group,the level of serum circFOXP1 in the AIS group was significantly decreased,and the level of circPTP4A2 was significantly increased(all P＜0.001).There were significant differences in the levels of serum circPTP4A2 and circFOXP1 among the mild group,the moderate group and the severe group(F=151.235,P＜0.001;F=178.161,P＜0.001).Compared with those in mild group,the levels of serum circPTP4A2 in the moderate group and severe groups were significantly increased,and the levels of circFOXP1 were significantly decreased(all P＜0.05).Compared with those in moderate group,the level of serum circPTP4A2 in the severe group was significantly increased,and the level of circFOXP1 was significantly decreased(all P＜0.05).The level of serum circPTP4A2 was positively correlated with the severity of AIS(r=0.447,P＜0.001),and the level of serum circFOXP1 was negatively correlated with the severity of AIS(r=-0.412,P＜0.001).Compared with those in good prognosis group,the infarct volume,NIHSS score and serum circPTP4A2 level in the poor prognosis group were significantly increased,and the serum circFOXP1 level was significantly decreased(all P＜0.001).Multivariate Logistic regression analysis showed that circPTP4A2 was a risk factor for poor prognosis in AIS patients(OR=2.217,95％CI:1.429-3.439,P＜0.001),and circFOXP1 was a protective factor(OR=0.466,95％CI:0.295-0.737,P=0.001).The combined prediction of serum circPTP4A2 and circFOXP1 for poor prognosis was better than that of individual prediction(Z=2.532,P=0.011;Z=3.668,P=0.000).Conclusion The level of serum circPTP4A2 in AIS patients is increased,and the level of serum circFOXP1 is decreased,both of them have certain predictive value for the prognosis of AIS patients.

Objective To evaluate the diagnostic value of contrast-enhanced ultrasound in breast precancerous lesions . Methods Retrospectively analyzed the contrast-enhanced ultrasound model and angiographic predictive model of 465 cases of the A prospective multicenter study of breast nodules contrast-enhanced ultrasound" that led the Sichuan Provincial People′s Hospital from January 2016 to April 2017 ,which included 69 cases of breast precancerous lesions and 396 other types benign lesions ,and the sensitivity ,specificity and accuracy of the diagnosis of breast precancerous lesions were calculated . Results The sensitivity of ultrasound predictive model for the diagnosis of precancerous lesions was 60 .9％ and AUC was 0 .681 . Precancerous lesions mainly showed non-concentricity , increased homogeneity , and increased lesions;other types of benign lesions mainly showed non-centripetal ,high uniformity enhancement and lesion size unchanged . Conclusions Contrast-enhanced ultrasound shows a potential value in the differential diagnosis of precancerous lesions and other types of benign lesions ,that can help clinicians to take early intervention measures for breast precancerous lesions ,but there are still many problems to be solved .