1.Relationship between chlamydia pneumoniae and coronary heart disease
Pingshuan DONG ; Yuhao LIU ; Chaohong FU
Clinical Medicine of China 2001;0(07):-
Objective To study the relationship between chlamydia pneumoniae and coronary heart disease.Methods Serology and PCR for detecting chlamydia pneumoniae were conducted in groups of non coronary heart disease(NCHD),stable angina pectoris(SAP),unstable angina pectoris(UAP)and acute angina pectoris(SAP),unstable angina pectoris(UAP)and acute myocardial infarction(AMI).Results No significant difference was found in serology among each group.The positive rate of PCR of CHD group was higher than that of CHD group,and the positive rates of PCR of both UAP and AMI were higher than that of SAP group.There was no significant difference between the positive rates of PCR of UAP and AMI group.Conclusion Chlamydia pneumoniae contributes to the formation of coronary heart disease and the ustability of plaque.
2.RELATION BETWEEN THE EXPRESSION OF PROLIFERATING CELL NUCLEAR ANTIGEN AND PROGNOSIS IN LUNG SQUAMOUS CELL CARCINOMA
Pinxian SI ; Yuhao YANG ; Deqiong DONG ;
Cancer Research and Clinic 1997;0(03):-
Objective:To investigate the relation between the expression of proliferating cell nuclear antigen (PCNA) and prognosis in lung squamous cell.Methods:The expression of PCNA on 51 cases carcinoma tissues were detected by immunohistochemical SP technique. Thet test and F test was used to analyze the difference of expression of PCNA in different pathological grades and clinic stages.Spearman Grade-relation test was used to analyze the relation between PCNA expression and pathological grades.The difference of survival time was compared by Kaplan-Meier curve and Long-rank test in different PCNA expression.Rusults:The position of PCNA expression almostl located in the nuclear,some in cytoplasm.There was difference of PCNA expression in different clinical stages and pathological grades.( P
3.Clinical manifestation and gene mutation analysis of VHL syndrome families with first diagnosis of cerebral hemangioblastoma
Yuhao ZHOU ; Jian LIU ; Minghao DONG ; Luqian FENG ; Liangzhao CHU
Chinese Journal of Behavioral Medicine and Brain Science 2017;26(6):560-563
Objective To detect the mutations of Von Hippel-Lindau (VHL) gene via analyzing the prevalence of family members of VHL syndrome,clinical diagnosis and treatment,and gene analysis of patients with hemangioblastoma.methods All members of the VHL syndrome family members improved all relevant tests and plotted the family map.5 ml peripheral blood was extracted for gene sequencing,and the sequencing Result s were compared with the reported mutations of VHL gene in NCBI database.Result s(1)Analysis of clinical data of four members of the family:Ⅰ-2,Ⅱ-1,Ⅱ-5 suffering from central nervous system hemangioblastoma, Ⅱ-3 with pancreatic,retinopathy and pheochromocytoma,and Ⅱ-5 also combined with kidney,pancreatic lesions.The second generation of patients in the family have been treated surgically.(2)Gene sequencing Result s showed that all subjects in the test had the same mutation:exon2 109 sequence ATATCACACTGCCA was deleted and termination codon UGA appeared in exon 502.Conclusion Through the mutations of the VHL syndrome family,it is found that the family mutation type is a new mutation.For patients with central nervous system hemangioblastoma-based should be suspected of the disease and improve the family history survey.Once the diagnosis of familial VHL syndrome patients are confirmed,it is necessary to inform the other members of the family for clinical screening,and carry out genetic testing to reduce the harm of the disease to the greatest extent.
4.Expression of the transcription factor CCAAT/enhancer-binding protein alpha in psoriatic lesions and its significance
Kun JIA ; Xiaofeng ZHANG ; Yuhao DONG ; Yan ZHANG ; Weiyuan MA
Chinese Journal of Dermatology 2014;47(7):508-510
Objective To detect the expression of the transcription factor CCAAT/enhancer-binding protein alpha (C/EBP-α) in the epidermis of psoriasis vulgaris lesions,and to investigate its correlation with abnormal keratinocyte proliferation and disease severity.Methods Biopsy specimens were obtained from the lesions of 30 patients with psoriasis vulgaris and normal skin of 30 healthy human controls.A two-step immunohistochemical procedure was performed to detect the expressions of C/EBP-αt and Ki-67 in these specimens,and Western blot to quantify the expression of C/EBP-α.The proliferation index of keratinocytes was calculated according to the expression intensity of Ki-67.Statistical analysis was carried out by using the SPSS 17.0 software,and Pearson correlation analysis was conducted to assess the relationship of C/EBP-α expression level with proliferation index of keratinocytes and psoriasis area and severity index (PASI) score.Results C/EBP-α was predominantly expressed in the cytoplasm of keratinocytes,while Ki-67 in the nuclei of keratinocytes.Compared with the normal skin,the psoriatic lesions showed a significantly lower expression of Ki-67 (t =7.82,P < 0.05),but higher proliferation index of keratinocytes (t =4.54,P < 0.05).The expression level of C/EBP-α was negatively correlated with the proliferation index of keratinocytes and PASI score in the patients (both P < 0.05).Western blot also showed an obvious decrease in the expression of C/EBP-α in psoriatic lesions.Conclusions The expression of C/EBP-α is decreased in lesions of psoriasis vulgaris,which might be involved in the pathogenesis of psoriasis vulgaris.
5.The clinical study on the treatment of intraventricular hemorrhage by minimally invasive surgery
Jiangong WEI ; Tongjun SONG ; Daobin LIU ; Shiqiang WANG ; Shijie DONG ; Qihui ZHANG ; Hanwen HUANG ; Zhidi LI ; Yuhao LIU
Chinese Journal of Primary Medicine and Pharmacy 2009;16(11):1974-1975
Objective To evaluate the effect of minimally invasive therapy for treating intraventricular hemorrhage.Methods The minimally invasive therapy with unilateral or bilateral drainage were received according to quantity and shape of intraventricular hemorrhage.Results It was operated 22 cases with unilateral drainage and 28 cases with bilateral drainage in the 50 cases intraventricular hemorrhage.Death was 3 cases and mortality rate was 6% in the minimally invasive therapy.ADL1 15 cases(30%),ADL2 18 CRSeS(36%),ADL3 8 cases(16%),ADLA4 cases(8%),ADL5 2 cases(4%)in leave hospital.Conclusion Minimal invasive therapy of intraventrieular hemorrhage has great superiority,such as it can operate simple,trauma mild,decrease complications and enhance curative effect.It can generalize in the basic hospital.
6.Analysis of CT and MRI signs of hepatic eosinophilic infiltration
Baoliang GUO ; Fusheng OUYANG ; Bin ZHANG ; Yuhao DONG ; Zhouyang LIAN ; Xiaoning LUO ; Jinglei LI ; Changhong LIANG ; Shuixing ZHANG
Chinese Journal of Radiology 2017;51(2):132-135
Objective To study and analyze the CT and MRI findings of hepatic eosinophilic infiltration. Methods Twenty nine patients of hepatic eosinophilic infiltration who were confirmed by biopsy or clinical diagnosis were retrospectively analyzed. All the patients underwent CT and/or MRI scan. Twenty seven cases underwent upper abdominal CT plain scan and three phase enhanced scan, and 5 cases underwent upper abdominal MR plain scan and three phase enhanced scan, of which 3 cases underwent CT and MRI scan. Evaluations were made regarding to the numbers of lesion, distribution, size, shape, margin, density or signal characteristic, enhancement parttern and other special features. Pearson correlation analysis was used to analyze the correlation between the number of hepatic lesions and the number of eosinophils in peripheral blood. Results A total of 108 lesions of eosinophilic hepatic infiltration were observed in 29 cases, including 2 cases with single lesion and 27 cases with multiple lesions. Ninety five of the lesions were located in subcapsular parenchyma or surrounding the portal vein. Most subcapsular lesions were wedge-shaped(n=28). Lesions surrounding portal vein were round-shaped(n=32), while the hepatic parenchymal lesions were irregular or round-shaped(n=13). The mean size of lesion was 34 mm, ranging from 3 to 61 mm. The margin of all the lesions were obscure. The lesions showed slightly low density or isodensity on CT pre-contrast images. On MR pre-contrast images, lesions showed slightly low signal or isointense on T1WI, and hyperintense on T2WI. Branches of portal vein were found infilrated by all lesions. Tueleve cases showed“stripe sign”along the portal vein branches, 16 cases showed“halo ring sign”around the portal vein. Pearson analysis indicated a significant correlation between the number of eosinophilic hepatic infiltrated lesions and the increase of eosinophils in peripheral blood (r=0.783, P<0.05). Conclusion The imaging features of EHI had certain characteristics, especially in the three phase dynamic enhanced scanning, from which we can mainly find“progressive enhancement”,“portal vein sign”,“stripe sign”and“halo ring sign”.
7.Cerebrovascular reserve in patients with acute atherosclerotic cerebral infarction and its application value in the short-term prognosis
Yan CHEN ; Youling ZHU ; Bin DONG ; Ya CHEN ; Wanhua HU ; Yuhao PENG
Chinese Journal of Neurology 2018;51(8):606-611
Objective To assess the cerebrovascular reserve (CVR)and the relationship of CVR with the short-term prognosis in patients with acute atherosclerotic cerebral infarction.Methods A total of 106 patients with unilateral acute (within 72 h) atherosclerotic cerebral infarction (trial group) were selected from December 2016 to December 2017 in the Department of Neurology of the First People's Hospital of Hefei,which were divided into two groups including the lesion group (106 cases) and the nonlesion group (106 cases).The median score of NIHSS in patients was 4(2,5).The control group included 40 healthy controls.The cerebral blood flow reserve and pulsatility index were measured by transcranial Doppler combined with CO2 inhalation test in both the trial group and the control group.According to the rate of change of cerebral blood flow velocity (CBFV),all subjects were divided into two groups including the normal group and the impaired cerebral blood flow reserve group.The changes of CBFV were compared in the control group and the trial group,which was divided into two groups including the group with lesion side and the group with non-lesion side.To evaluate the brain structure reserve the circle of Willis in the trial group was assessed by MRA.According to the integrity of the circle of Willis anterior and posterior circulation all subjects were divided into four groups (type Ⅰ,type Ⅱ,type Ⅲ and type Ⅳ).The effect of the factors,such as diabetes,hypertension,low density lipoprotein (LDL),high density lipoprotein (HDL),smoking,and drinking history,on cerebral blood flow reserve was measured by single-factor analysis.The correlation of NIHSS scores,infarct size and volume with CVR was also measured.All patients in the trial group were treated with drugs and were followed-up for three months.The modified Rankin Scale (Mrs) was used to evaluate the prognosis of the patients.It means poor prognosis if the value of Mrs was more than three.The effects of factors,such as sex,HDL,LDL,diabetes,hypertension,smoking history,drinking history,cerebral blood flow reserve,NIHSS scores,brain structure reserve,infarct location,age,on the prognosis were measured by multivariate Logistic regression.Results The increase rate of CBFV in the lesion-side of patients with atherosclerotic cerebral infarction was 5.94% (2.18%,10.49%),and the increase rate of pulsatility index was 10.77% (2.21%,22.62%),which were both lower than the control group (CBFV:11.54% (5.01%,17.96%),Z =2.547,P<0.05);pulsatility index:48.36% (33.93%,64.51%),Z =6.604,P < 0.01).There was significant difference (x2 =4.328,P < 0.05) in the distribution of diabetes,which was 2/14 in the normal group and 43.48% (40/92) in the impaired cerebral blood flow reserve group.And in the trial group the brain structural reserve was positively correlated to the infarct volume and the NIHSS score,and the rank correlation coefficient was 0.219 and 0.238 respectively (P < 0.05).The prognosis of cerebral blood flow reserve in the normal group was better than the impaired group (x2 =4.155,P < 0.05),for example,the proportion of patients with good prognosis and normal CBFV was 18.84% (13/69),the proportion of patients with good prognosis but decreased CBFV was 81.16% (56/69),the proportion of patients with poor prognosis but normal CBFV was 2.70% (1/37),the proportion of patients with poor prognosis and decreased CBFV was 97.30% (36/37).The proportion of patients with type Ⅰ and type Ⅲ of the brain structure reserve was 37.68% (26/69) and 5.80% (4/69) respectively,whose prognosis was better (x2 =8.456,P < 0.05) than patients with type Ⅱ and type Ⅳ,whose proportion was 43.48% (30/69) and 13.04% (9/69).Multivariate Logistic regression analysis showed that NIHSS score,age,and brain structural reserve were risk factors for poor prognosis in the trial group.Normal cerebral blood flow reserve was a protective factor for good prognosis.Conclusions CVR in patients with acute atherosclerotic cerebral infarction is significantly reduced.CVR can be used as an index to evaluate the prognosis of patients who were followed-up for three months.
8. Pharmacokinetic interaction study between sorafenib and dapagliflozin in rats
Xueru HE ; Yuhao FU ; Xuejiao XUN ; Xueru HE ; Ying LI ; Yinling MA ; Yuhao FU ; Xuejiao XUN ; Zhanjun DONG
Chinese Journal of Clinical Pharmacology and Therapeutics 2023;28(5):498-507
AIM: To explore the pharmacokinetic interactions between sorafenib and dapagliflozin in rats and to provide some theoretical basis for the rational clinical use of the two drugs. METHODS: An ultra -performance liquid chromatography-tandem mass spectrometry (UPLC / MS / MS) method was developed for the simultaneous determination of sorafenib and dapagliflozin. Male SD rats were randomly divided into 5 groups (6 rats in each group), including 100 mg / kg sorafenib group, 0.5 mg / kg dapagliflozin group, 1 mg / kg dapagliflozin group, and 100 mg/kg sorafenib combined with 0.5 mg/kg dapagliflozin group and 100 mg/kg sorafenib combined with 1 mg / kg dapagliflozin group, for sorafenib and dapagliflozin drug interaction study. All samples were analyzed using a validated UPLC/ MS/MS method, and the main pharmacokinetic parameters were calculated by compartment model. RESULTS: 1 mg/kg dapagliflozin increased the C
9. Clinical research progress of palbociclib in treatment of breast cancer
Zhi WANG ; Xin ZHOU ; Xueru HE ; Yuhao FU ; Xuejiao XUN ; Zhi WANG ; Xin ZHOU ; Xueru HE ; Yuhao FU ; Xuejiao XUN ; Ying LI ; Zhanjun DONG
Chinese Journal of Clinical Pharmacology and Therapeutics 2023;28(2):205-213
Palbocicril, the first cyclin-dependent kinases 4 and 6 inhibitors, is a crucial milestone in the development history of antineoplastic drugs. It combined with aromatase inhibitor or fulvestrant as first-line, second-line or post-line therapy has good efficacy and safety for hormone receptor-positive, human epidermal growth factor receptor-2 negative locally advanced or metastatic breast cancer, which has a good application prospect. This article summarizes the clinical trials and safety studies related to palbociclib.
10. Advances in uridine diphosphate glucuronosyltransferase-mediated drug interactions with tyrosine kinase inhibitors
Xueru HE ; Yuhao FU ; Xuejiao XUN ; Yanjun CUI ; Xueru HE ; Yuhao FU ; Xuejiao XUN ; Yanjun CUI ; Zhanjun DONG
Chinese Journal of Clinical Pharmacology and Therapeutics 2022;27(8):936-945
Drug-drug interactions (DDI) of tyrosine kinase inhibitors (TKIs) mediated by metabolic enzymes and transporters have become an important issue in clinical practice recently. In addition to CYP450 enzymes, uridine diphosphate glucuronidases (UGTs) are another class of metabolic enzymes involved in the metabolism of TKIs, and most TKIs can inhibit the UGTs in vitro. Potential clinically meaningful DDIs may occur with the co-administration of TKIs and substrates or inhibitors of UGTs. This paper will mainly focus on the UGTs-mediated drug-drug and the effect of UGT1A genotype on the drug interactions of TKIs and explores strategies to address, aiming to provide clinicians and pharmacists with references for the safe and rational application of TKIs.