1.Diagnosis and treatment of female pseudohermaphroditism
Chinese Journal of Postgraduates of Medicine 2010;33(12):8-10
Objective To discuss the etiology,clinical features,diagnosis and treatment measures of female pseudohermaphroditism.Methods Five Cases,of female pseudohermaphroditism were collected.The etiology,clinical features,diagnosis and treatment measures were discussed.Results One case induced by exogenous androgenic hormones,4 cases induced by congenital adrenal hyperplasia.All the 5 cases presented with abnormal development of vulva and the sex chromosomes karyotype of 46XX.The combined treatment ofreconstructive surgery (5 cases)and supplementary glucocorticoid (4 cases)wefe performed.After 3months,the levels of adrenocorticotrophic hormone and virosterone were normal.Followed up for 1-10 years,The postoperative appearance of external genitalia was similar to the normal.The secondary sex characters were improved obviously,3 cases were mainly feminilism,2 cases existed different degree of psychologic obstacle.Conclusions The diagnosis and treatment in the early stage are very important.The combination treatment of surgery and medicine for the patients with female pseudohermaphroditism is satisfied.
2.Fast and Almost 100% Efficiency Site-directed Mutagenesis by The Megaprimer PCR Method
Progress in Biochemistry and Biophysics 2009;36(11):1490-1494
A novel PCR-based mutagenesis method was reported, in which there is no need to purify megaprimers or design a special flanking primer. This method used one mutagenic primer and two sequencing primers (T_m≤58℃) as flanking primers. After first round PCR, 12.5 μl first PCR production was directly added into 50 μl second PCR system as template and megaprimer, and 10 rounds of asymmetrical PCR at high temperature of annealing (68 ℃ ) was to add in initiation of second PCR. This additional step greatly has increased the efficiency of mutagenesis via 600 bp or 800 bp long megaprimer. The results demonstrated that this method can achieve high fidelity, 97%~ 98% efficiency, high yield.
3.A study on serum thyroid hormone level alterations after hemithyroidectomy
Xiaojun XIE ; Yutian CHEN ; Qinghai JI
Chinese Journal of General Surgery 1993;0(03):-
Objective To investigate serum T_3? T_4? TSH alterations after hemithyroidectomy in patients suffering from thyroid benign nodules.Methods Forty-eight patients were divided into two groups by age of 45.All patients were treated with hemithyroidectomy and without substitutional therapy after operation.The levels of serum TT_3? TT_4? FT_3? FT_4? TSH were assessed on day 5, first month, 3rd month, 6th month and one year after operation and compared with pre-operative levels.Results The change of serum T_3? T_4 was not significant; while the levels of serum FT_3? FT_4 in patients over 45 years decreased on day 5 post-op and on the first month ( F=7.853, F=4.247, P
4.Practice of Ward Round Model of Clinical Pharmacists
Jianghong NI ; Xiaojun SONG ; Xuejian XIE
China Pharmacy 2001;0(08):-
OBJECTIVE:To explore the ward round model of clinical pharmacists.METHODS:The ward round model of clinical pharmacists was designed and explored based on clinical practice.RESULTS & CONCLUSION:Clinical pharmacists can engage in ward rounds either in cooperation with physicians or alone in special department,or by targeting at those patients using certain drugs.Each model has its distinctive characteristics and clinical pharmacists can choose suitable model based on their own level as well as the conditions in software,hardware and environment so as to facilitate rational administration.
5.Regulation of LCRG1 promoter transcription activity by Sp1 and Egr-1
Hailong XIE ; Longwu ZENG ; Xiaojun ZHOU
Journal of Medical Postgraduates 2003;0(04):-
Objective:The regulatory mechanisms of LCRG1 gene expression is undear,this study was to investigate the transcription regulation of the promoter of human LCRG1 gene by transcription factors Sp1 and Egr-1.Methods:Analysis of putative binding sites of transcription factors in the promoter of human LCRG1 gene by online program MatInspector,Co-transfection with the expression plasmids of the known transcription factors such as Sp1、wtEgr-1、mtEgr-1with the LCRG1 reporter construct analyze potent transcription factor for enhancement of the promoter activity.Results:SP1 and Egr-1 transcription factor binding site sites were predicted in the region by bioinformatics analysis,mtEgr-1 can enhance the promoter activity.Conclusion:mtEgr-1 may be involved in the regulatory mechanisms of LCRG1 gene expression
6.The study on the serum proteomic fingerprints in gastric carcinoma patients by SELDI technique
Li XIE ; Xiaojun MA ; Qi LI ; Bo LI ; Yi PEI
Journal of Chinese Physician 2008;10(7):898-900
Objective To detect serum protein spectrum in gastric cancer, screen the serum proteins related to gastric carcinoma and build auxiliary diagnosis model with SELDI-TOF-MS, Methods The serum proteomic fingerprints were detected by SELDI-TOF-MS and CM10 proteinchip. The sera came from 50 first visit gastric cancer patients who were diagnosed by pathological method and 16 healthy peo- ple. The data were analyzed by Biomarker Wizard Software and the proteomic fingerprint of gastric carcinoma model was developed by BPS (biomarker pattern software). Results Compared with the healthy people group, there were 34 significant different protein peaks in the gas- tric carcinoma group. And the diagnosis model composed with 6 proteins (M/Z values were 6016, 6744, 2822, 4474, 7892 and 3242) could classify the 2 groups correctly. In the test group, the sensitivity and specificity were 96% and 93.75% respectively, the accuracy was 95.45%. Conclusion SELDI-TOF-MS method show features such as microcontent, fast and high- resolution etc. It could be utilized to screen significant proteins and develop an auxiliary diagnosis model in gastric carcinoma, which may be used to diagnose this disease.
7.Characteristics and risk factors of abdominal lymph node metastasis in esophageal cancer
Tianpeng XIE ; Run XIANG ; Yue CUI ; Xiaojun YANG ; Qiang LI
Chinese Journal of Digestive Surgery 2015;14(12):1002-1005
Objective To investigate the characteristics and risk factors of abdominal lymph node metastasis in thoracic esophageal squamous cell cancer.Methods The clinical data of 586 patients with thoracic esophageal cancer who underwent surgery via transabdominal and transthoracic approaches between June 2009 and June 2014 at the Sichuan Cancer Hospital were retrospectively analyzed.All the patients received resection of esophageal cancer and lymph node dissection, and the transabdominal right thoracic approach or cervico-thoracicabdominal triple incision was selected according to the condition of patients.No.18, 19, 20 lymph nodes were dissected seperately and No.16, 17 and lesser curvature lymph nodes were separated.All the specimens of lymph nodes were detected by regular pathological examination.Measurement data with normal distribution were presented as x ± s and count data were described as rate.Comparisons of rate between 2 specimens and among the multiple specimens were respectively analyzed using the chi-square test and partition of chi-squared.The multivariate analysis was done using the logistic regression.Results The number of lymph node dissected in 586 patients was 12 524 with an average number of 20 ± 11 per case, and the rate of lymph node metastasis was 55.63% (326/586).The number of mediastinal lymph node dissected was 7 012 with an average number of 12 ± 5 per case, and a rate of mediastinal lymph node metastasis was 40.96% (240/586).The number of abdominal lymph node dissected was 5 512 with an average number of 9 ± 8 per case, and a metastasis rate was 31.74% (186/586).The abdominal lymph node metastasis rate of the upper, middle and lower thoracic esophageal cancer were 13.73% (14/102), 31.51% (92/292) and 41.67% (80/192), respectively, showing a significant difference among the above 3 indexes (x2 =25.91, P < 0.05).The lymph node metastasis rate in No.16, 17, 18,19, 20 and lesser curvature lymph nodes were 12.80% (75/586), 16.89% (99/586), 1.71% (10/586),0.68% (4/586), 1.71% (10/586) and 2.05% (12/586), respectively, with a significant difference among the above 6 indexes (x2 =287.95, P < 0.05).The results of univariate analysis showed that the tumor location,surgical procedure, T stage, N stage, G stage, pathological stage and mediastinal lymph node metastasis were risk factors affecting abdominal lymph node metastasis of thoracic esophageal cancer (x2 =24.02, 23.97, 37.87,136.85, 38.79, 7.70, 154.27, P < 0.05).The tumor in the lower thoracic portion, N3 stage and stage Ⅳ were independent risk factors affecting abdominal lymph node metastasis of thoracic esophageal cancer in the multivariate analysis (RR =5.80, 2.36, 2.76, 95% confidence interval: 1.022-1.813, 1.317-3.950, 1.652-12.351, P < 0.05).Conclusions Abdominal lymph node metastasis is common in thoracic esophageal cancer in which No.16 and 17 lymph nodes predominate, and it is easy to occur in patients with lower thoracic esophageal cancer, and advanced N stage and pathological type.
8.Research advances in toxic keratopathy
Zhen WANG ; Xiaojun TAN ; Jun CHENG ; Lixin XIE
Recent Advances in Ophthalmology 2017;37(2):192-196
The incidence of toxic keratopatby is increasing yearly.Due to the shortage of specific clinical manifestations,the diagnosis and treatment of the disease are relatively difficult,hence toxic keratopathy has received extensive attention of the domestic and abroad scholars.In recent years,with the development of ophthalmic examination technology and progress of instruments,its mechanism,diagnosis and treatment have been newly cognized.These three aspects will be reviewed in this article.
9.Clinical effect of comprehensive intervention on 182 cases of asymptomatic hyperuricemia
Wei DENG ; Hui XIE ; Haihong ZHANG ; Xiaojun TAN
The Journal of Practical Medicine 2017;33(3):443-446
Objective To investigate the effect of comprehensive intervention on asymptomatic hyperuricemia.Methods in this random controlled study,all patients diagnosed with asymptomatic hyperuricemia on health examination according to the diagnostic standards were randomly divided into intervention group and control group.Comprehensive intervention included healthy lifestyle guidance and administration of sodium bicarbonate in the intervention group.Low purine diet was used in the control group.The follow-up period for all the patients was one year.The changes of various indexes in both groups before and after intervention were observcd and compared.Results Compared with the control group,the patients in the intervention group presented significantly lower levels of BMI,serum uric acid,blood sugar,SBP,DBP,triglyceride and less frequent occurrence of obesity,hyperglycemi,hypertension,hipertrigliceridemia (P < 0.05).After intervention,the patients in the intervention group also exhibited significantly lower the levels of BMI,serum uric acid,blood sugar,SBP,DBP,triglyceride and significantly lower incidences of obesity,hyperglycemia,hypertension,hypercholesteremia and hipertrigliceridemia.Conclusion Comprehensive intervention into asymptomatic hyperuricemia can reduce the incidence of complications such as central obesity,hyperglycemia,hyperlipidemia and hypertension.
10.Transpopliteal vein interventional treatment for lower extremity deep venous thrombosis
Xiaojun DENG ; Hongwen ZHANG ; Shijiao DUAN ; Yan XIAO ; Weihua XIE
Clinical Medicine of China 2012;28(9):964-966
ObjectiveTo evaluate the clinical value of the pumping and popliteal vein thrombosis contact thrombolytic treatment of lower extremity deep venous thrombosis(LEDVT).MethodsFor thirty deep venous thrombosis patients with ipsilateral popliteal vein approach through a comprehensive intervention,the line of the inferior vena cava filter was implanted under the premise of first balloon mechanical thrombus fragmentation and thrombus aspiration by 10 F improved the inferior vena cava stents conveying sheath,followed by the line of contact thrombolytic therapy.Four patients underwent iliac vein in the thrombolytic treatment of stent implantation.Vein patency and venous patency score and health and poor limb circumference difference were used to assess efficacy of treatment.Patients were followed up for at least 1 year.ResultsThe technical success rate was 100%.At six months after sugery,the mean lower limb circumference difference of the 30 patients was< 1.5 cm.Lower limb venous angiography showed significantly improved vein patency score [ (9.5 ± 2.6) vs.(3.6 ± 2.1 ),Z =1.65,P < 0.01 ].Venous patency rate was ( 69.5 ± 13.2) %.No serious complications during treatment and the period of follow-up.Conclusion Transpopliteal vein interventional treatment of lower extremity deep venous thrombosis is simple,safe and effective.