Imaging with fluorescent proteins has been revolutionary and has led to the new field of cell biology in vivo.Many new applications of this technology have been developed in recent years.Multicolor imaging technique of fluorescent protein tags get more attention,particularly the green fluorescent protein and red fluorescent protein,which has been used in many research applications.This article will make a briefly review on it.

Objective To search some references for estimating the time of death in some murder cases by observation the dynamic changes of organic amines derived from isolated human hepatic tissues. Method The contents of histamines, putrescines, cadaverines and undecomposed amino acids from the isolated human hepatic ussues were assayed dynamically by the method of high performance liquid chromatography (HPLC). Results The contents of the organic amines produced by the putrefaction under 8℃,15℃ , 23℃ and 32℃ were increased along with the time elapsed after death under four environmental temperatures before attaining to their peak value, While the contents of the undecomposed amino acids were decreased gradually after death. Conclusion The amount of organic amines produced by putrefaction of the isolated human hepatic tissues were directly related to the time of death. So do the environmental temperature.

0.05). Conclusion The polymorphism of G-944C in CⅡTA gene promoter Ⅳ was associated with the susceptivity of chronic HBV infection, but was not associated with severity of diseases. The individuals with chronic HBV infection of CC genotype are of less possibility to develop chronic liver disease than those of other genotypes.

Objective:To investigate the safety and efficacy of interleukin-6 antisense oligonucleotide liposomes on the experimental animals for prevention of after cataract. Methods:Thirty healthy New-Zealand rabbits(30 left eyes) received extracapsular lens extraction,and were randomly divided into 3 groups: anterior chamber injection of 0.1ml of interleukin-6 antisense oligonucleotide liposomes(Group A),blank liposomes(Group B) after operation respectively;and control group(Group C).All left eyes were examined by slit-lamp microscope and ophthalmoscope regularly.The aqueous humor IL-6 concentrations were measured 1 day before operation,and 1 day,3 days,7 days,14 days and 30 days after operation through enzyme-linked immunoabsorbent assay.Three months later,photographs of the posterior lens capsules were taken through digital slit-lamp microscope and the histopathological changes of posterior lens capsules were observed by light microscope. Results:①Three months after the operation,the number of eyes developing posterior capsule opacification in Group A,B and C were 7,10 and 10 respectively,with significant difference(P=0.037).② The average value of Group A was lower than Group B and C,with statistically significant difference(P

Objective This research examined the effect ofmicrobubble contrast agent plus ultrasound on the permeability of blood-brain barrier,and explored whether it affects the efficacy of chemotherapeutic drugs on cerebral glioblastoma.Methods Wistar rats were divided into three groups to find the optimal concentration of ultrasonic contrast agent.To identify the best ultrasound mode that affected the permeability of blood brain barrier,we employed transmission electron microscopy for study of brain ultrastructure.Western blotting was used to detect the tight junction protein claudin-5.Evans blue staining of brain tissues was utilized to identify the best ultrasonic contrast agent concentration and mode.Rat glioma cells (line 9L) were injected into Wistar rats.After temozolomide chemotherapy,the tumor size was measured and the tumor marker GFAP in serum was detected by ELISA.Results The best contrast agent concentration which increases permeability of BBB in rats was found to be lml/kg and the best ultrasound mode was intermittentlytriggered pulses lasting for 10min (with interval was set at 400ms).More Evans blue passed the blood-brain barrier in ultrasonic cavitation effect group than in control group (P＜0.05).After temozolomide chemotherapy,more tumor marker GFAP was detected in ultrasonic cavitation effect group than in control group (P＜0.05).Conclusion The permeability of BBB was increased and more temozolomide went through BBB when the rats were subjected to intermittently triggered ultrasonic pulses and were injected at contrast agent at lml/kg,which could help to achieve better therapeutic efficacy for glioblastoma.

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.

OBJECTIVE:To investigate the effects of Melilotus extract tablet on postoperative therapeutic efficacy of chronic sinusitis endoscopic surgery and the recovery of nasal mucosa. METHODS:The clinical data of 100 patients undergoing chronic si-nusitis functional endoscopic surgery in our hospital from May 2015 to Oct. 2016 were analyzed retrospectively and they were divid-ed into control group and observation group according to postoperative treatment,with 50 cases in each group. Two groups received anti-inflammatory,anti-histamine and hemostasis therapy. The control group received Eucalyptol,linonene and pinene enteric soft capsules 0.3 g,tid;observation group was additionally given Melilotus extract tablet 1.2 g,tid,for 6 weeks,on the basis of con-trol group. VAS and Lund-Kennedy endoscopic score were compared between 2 groups before and after treatment. Clinical effica-cies and the occurrence of ADR were also compared between 2 groups. RESULTS:there was no statistical significance in VAS score and its total score,Lund-Kennedy endoscopic score and its total score between 2 groups before treatment (P>0.05). After treatment,VAS score and its total score,Lund-Kennedy endoscopic score and its total score of 2 groups were significantly de-creased,and the observation group was significantly lower than the control group,with statistical significance(P<0.05). The cure rate of observation group was 72.0%,which was significantly higher than 44.0% of control group,with statistical significance (P<0.05). There was no significant difference in the incidence of adverse reactions between the 2 groups (P>0.05). CONCLU-SIONS:Melilotus extract tablet helps to improve clinical efficacy and the recovery of nasal mucosa in patients with chronic sinus-itis after endoscopic surgery,with good safety.

ObjectiveTo assess myocardial perfusion by the end-systolic and end-diastolic replenishment parameters of real-time myocardial contrast echocardiography (MCE).MethodsTwenty-one patients with myocardial infarction(MI) and normal control group of 6 cases underwent intravenous realtime myocardial contrast echocardiography via slow and homogeneous venous injections of SonoVue.MCE images were obtained from the apical 4-chamber,2-chamber,and long-axis views.According to the exponential function:y(t) =A [1 - e-kt] + B,the time intensity curves were obtained.By an off-line ECG triggering and curve fitting,the replenishment parameters A value,k value,A × k value were obtained separately from end-systolic and end-diastolic images.ResultsIn normal control group,the end-systolic replenishment parameters A value,k value,A × k value were all lower than that of the end-diastolic replenishment parameters[(6.21 ± 2.69)dB vs (7.93 ± 3.66)dB,P ＜0.05；0.36 ± 0.15 vs 0.42 ± 0.19,P ＜ 0.01 ;2.88 ± 1.29 vs 3.39 ± 1.61,P ＜0.05,respectively].The end-diastolic replenishment parameters were found significantly greater variability than the end-systolic values (variation coefficient CV:A value 46.2％ vs 43.3％,k value 45.2％ vs 41.4％,A× k value 47.5％ vs 44.8％,all P ＜0.05).In 21 patients,the end-systolic replenishment parameters in myocardial segments supplied by infarct-related coronary artery were significantly lower than that in myocardial segments supplied by non - infarct - related coronary artery.ConclusionsThe end-systolic and end-diastolic replenishment parameters of real time myocardial contrast echocardiography can assess myocardial perfusion.The variability of the end-systolic replenishment parameters is smaller than that of the end diastolic parameters.Significant variability in k-value suggests that this parameter is best suited for before-after study in the same patient.

AIM: To evaluate the effect of simvastatin on the left ventricular mass in patients with essential hypertension (EH). METHODS: 50 patients with hypertension without severe complication were randomly divided into two treatment groups: combination treatment group and hydragogue group, and 25 normal subjects without any treatment were taken as the control. The 25 patients in combination treatment group were given simvastatin and hydragogue for 12 weeks while the other patients in hydragogue group were given hydragogue during the same time. The left ventricular mass was examined from ultrasonography in all patients before and after treatment. RESULTS: The left ventricular mass index (LVMI) was higher in the two treatment groups of patients (133.61±31.02, 118.04±39.62 g·m-2) than that in the control group (88.79±22.73 g·m-2) before treatment (P<0.01, 0.0001, respectively) while the blood pressure was higher. There was no significantly difference in age, serum concentrations of total cholesterol or triglyceride, sugar and blood pressure between the two treatment groups and the control group (P>0.05). There was no significant difference in all variables between the two treatment groups before treatment. After treatment, the LVMI was decreased (133.61±31.02 vs 91.07±16.01 g·m-2, P<0.01) in the combination treatment group while there was no significant change in LVMI in the hydragogue group compared with the control group. The blood pressure in the two treatment groups was decreased to the normal. Compared with hydragogue group, the change of LVMI was higher in the combination group though the serum concentrations of total cholesterol, triglyceride or sugar were not significantly different. No significant change in serum concentrations of total cholesterol, triglyceride or sugar was found during treatment in the two groups. The change of LVMI did not correlate with the change of blood pressure, serum concentrations of total cholesterol , triglyceride or sugar in the combination treatment group(P>0.05). CONCLUSION: Being independent of the changes of serum concentrations of total cholesterol, triglyceride or sugar and blood pressure, simvastatin can inhibit the increase of left ventricular mass in patients with essential hypertension.

Objective To explore the role of case based learning (CBL)on Otolaryngology-Head and Neck Surgery teaching. Methods First, correct and high-quailty teaching case was selected. Then, reasonable and precise question was edited. All students needed to prepare their lessons before class and were encouraged to ask question or answer question. And some warnings should be noticed. Result After CBL being implemented, the students received higher clinical grades and more clinical skills. They were more likely to retain their initial interest in or switch their preference to careers in otolaryngology. The supervisor highly appreciated our teaching. Conclusion CBL is feasible in Otolaryngology-Head and Neck Surgery teaching and it should be applied more in future.