1.The analysis of blood fat and high sensitive-C reactive protein in patients with subclinical hypothyroidism
Dongmei YIN ; Min XU ; Hui TIAN
Chinese Journal of Postgraduates of Medicine 2014;37(19):19-21
Objective To analyze the change and clinical significance of blood lipid and high sensitive-C reactive protein (hs-CRP) in patients with subclinical hypothyroidism.Methods Fifty patients with subclinical hypothyroidism were selected as observation group,and 50 health people with the same gender and age were selected as control group.The blood lipid and hs-CRP levels in the two groups were measured and compared.Results The total cholesterol (TC),triacylglycerol (TG),and low density lipoprotein cholesterol (LDL-C) in observation group were significantly higher than those in control group [(5.20 ±0.84) mmol/L vs.(4.79 ±0.80) mmol/L,(2.21 ±0.97) mmol/L vs.(1.78 ±0.60) mmol/L,(3.25 ±0.65) mmol/L vs.(2.83 ±0.51) mmol/L],high density lipoprotein cholesterol (HDL-C) was significantly lower than that in control group [(1.18 ± 0.15) mmol/L vs.(1.28± 0.22) mmol/L],and there were statistical differences (P < 0.05 or < 0.01).The hs-CPR in observation group was significantly higher than that in control group [(4.2 ± 1.1) mg/L vs.(3.0 ± 0.8) mg/L],and there was statistical difference (P <0.01).Conclusions Subclinical hypothyroidism can cause increased TC,TG,LDL-C and hs-CRP and decreased HDL-C,which may accelerate atherosclerosis and cardiovascular disease.It is necessary to timely screen and treat the disease.
3.Study on gatifloxacin in situ pH-sensitive gel release in vitro
Yajing XU ; Rongfeng HU ; Hui YIN ; Yu GAO
Chinese Journal of Biochemical Pharmaceutics 2010;31(2):107-110
purpose To investigate the release properties of gatifloxacin in situ pH-sensitive gel in vitro.Methods The improved paddle method and the membraneless model were applied in assessing the drug release behavior.Results The gel erosion and drug release were increased with the increase of surface area and shaking frequency.The cumulative quantities of gel erosion were well correlated with the cumulative release of drug loaded in the gel.Conclusion Gatifloxacin was released from in situ pH-sensitive gel with zero-order kinetics characters,and drug release was mainly controlled by gel erosion.
4.The effects of H2 S and its synthetase inhibitor on the autophagy in acute pancreatitis mice
Lingling XU ; Hui FENG ; Guojian YIN ; Chunhua ZHOU ; Shaofeng WANG
Chinese Journal of Pancreatology 2016;16(6):389-393
Objective To investigate the effect of H 2 S and its synthetase inhibitor propargylglycine ( PAG) on the autophagic function in caerulein-induced acute pancreatitis ( AP) mice.Methods A total of 60 male BALB/c mice were randomly divided into control , AP, NaHS and PAG group using random number method.AP was induced in mice via hourly intraperitoneal injection of caerulein (50 μg/kg) continuously for 6 hours.NaHS and PAG group received NaHS (10 mg/kg) or PAG (50 mg/kg) 1 h before the AP induction . A equal volume of normal saline solution was injected in control group and AP group .All the mice were killed at 12 h after the first caerulein injection and blood sample was collected for the detection of serum amylase and lipase content.Deproteinization spectrometry was used to detect serum H 2 S content, and pancreatic tissue was pathological examined and scored . Real-time PCR detected mRNA expression of CSE , and the protein expression of LC3-Ⅱ/LC3 Ⅰand p62 was measured using Western blot .Results Serum amylase, lipase, H2S, CSE mRNA, LC3Ⅱ/LC3Ⅰand p62 were (2 700 ±100)U/L, (70 ±20)U/L,(22.9 ±1.7)mmol/L, 1.0 ±0.1,0.419 ±0.080, 0.227 ±0.140 in control group; (17 290 ±500)U/L,(520 ±40)U/L, (31.3 ± 3.0)mmol/L, 5.4 ±0.4, 1.184 ±0.120, 1.985 ±0.210 in AP group; (27 784 ±1 200)U/L, (900 ± 80)U/L,(38.6 ±3.3)mmol/L, 6.9 ±0.9,1.600 ±0.210, 4.229 ±0.050 in NaHS group; (13 750 ± 2 000)U/L,(370 ±20)U/L, (24.5 ±2.1)mmol/L, 4.2 ±0.5, 0.745 ±0.130, 1.203 ±0.080 in PAG group.All those biomarkers detected above in AP group significantly increased compared with control group , which were much lower than those in NaHS group , but higher than those in PAG group , and the differences were statistically significant (all P<0.05).Pancreatic histological damage in NaHS group was more severe than that in AP group , which in PAG group was less severe than that in AP group .Conclusions PAG could greatly decrease serum amylase and lipase level , and reduce the damage on autophagy and the severity of AP .
6.Clinical value of dual-energy CT Volume software in quantitative analysis of urate crystals
Yamei ZHANG ; Hui XU ; Qian CHEN ; Xindao YIN ; Xingguo CHEN ; Quan XU ; Di ZHANG
Journal of Practical Radiology 2017;33(4):608-610,628
Objective To assess the clinical value of dual-energy CT (DECT) Volume software in quantitative analysis of urate crystals.Methods The DECT data of 60 gout patients based on the American College of Rheumatology diagnostic criteria were analyzed retrospectively.The volumes of urate crystals were quantitatively analyzed by using Volume software with two senior radiologists.The results were statistically analyzed.Results Seventy-two joints of 60 gout patients were scanned by DECT.40 of 43 joints had urate crystals in foot and ankle with the average volume of (0.621±0.742) cm3;18 of 19 joints had urate crystals in knee with the average volume of (0.842±1.086) cm3;10 of 10 joints had urate crystals in hand and wrist with the average volume of (0.796±0.583) cm3.There was no statistical difference for volume measurement between two doctors (P>0.05).The volumes of urate crystals in 4 patients with regular medication were reduced.Conclusion Volume software of DECT can quantitatively analyze urate crystals with a good repeatability, which has high application value in clinical diagnosis and treatment monitoring of gout.
7.Outcomes of decompressive craniectomy for severe traumatic brain injury in children
Hansong SHENG ; Shangyu XU ; Hui ZHOU ; Jian LIN ; Bo YIN ; Nu ZHANG
Chinese Journal of Trauma 2012;28(3):211-214
ObjectiveTo evaluate the mortality and morbility of children with severe traumatic brain injury (sTBI) following treatment with decompressive craniectomy and further analyze its long-term outcomes.Methods Seventeen children with sTBI undergone decompressive craniectomy between 2004 and 2010 were retrospectively studied.Quality of life of the patients who survived the operation was assessed by using the King' s outcome scale for childhood head injury (KOSCHI).ResultsOf 17 children with sTBI,the mean preoperative Glasgow Coma Scale (GCS) score was 5.27.Five children (29%) died postoperatively,of whom three children were died of cerebral infarction.Twelve children who survived the operation were followed up for average 4.6 years,which showed the mean KOSCHI score of 4.75.Among the 12 survivors,five patients (42%) experienced posttraumatic shunt-dependent hydrocephalus and four (33%) suffered ipsilateral and/or contralateral hygroma.ConclusionsAlthough a high mortality rate is observed in the children with sTBI after decompressive craniectomy,the survived patients have satisfactory outcomes. Posttraumatic hydrocephalus and hygroma are two common complications after decompressive craniectomy for children with sTBI.
8.Synthesis and antiplatelet aggregation/antioxidant activity of 3-alkyl-benzo c selenophen-1 3 H -ones
Jiangen FANG ; Xuliang WANG ; Jingjing LING ; Wei YIN ; Jinyi XU ; Hui JI ; Yihua ZHANG
Journal of China Pharmaceutical University 2015;(5):552-555
Phthaloyl dichloride (1)was reacted with LiAlSeH2 to give benzo[c]selenophene-1;3-dione (2);which was treated with the Grignard reagents to generate hydroxyl compounds 3a-3h.These compounds were finally converted to target products 4a-4h by treatment with hydriodic acid.The structures of 4a-4h were confirmed by MS and 1 H NMR.Their inhibitory activity against adenosine diphosphate (ADP)-induced platelet aggregation was evaluated by Born′s turbidimetric assay;free radical scavenging activity was assayed by xanthine oxidasemethod and 1;10-phenanthroline spectrophotometric method.It was found that compound 4 f displayed more potent inhibi-tory effect on platelet aggregation than 3-n-butylphthalide and comparable hydroxyl free radical scavenging activity in vitro to that of edaravone.Therefore;compound 4 f might be the candidate for further investigation.
9.Experimental study on assistant designing of computer for new Chinese herbal compounds with anti-infectious function
Zhulei MIAO ; Yuhu LI ; Yin BAO ; Dongliang XU ; Hui ZHANG ; Yi WANG
Chinese Traditional and Herbal Drugs 1994;0(10):-
Objective To study the feasibility of artificial immune system(AIS)in assistant designing of computer for new Chinese herbal compounds with anti-infectious function.Methods A group of Chinese herbal drug compounds from Treatise on Exogenous Febrile and Miscellaneous Diseases were selected as training samples.Serum was obtained from mice which were infected by Staphylococcus aureus and ig administrated with the various Chinese herbal compounds.The inhibition ability against S.aureus of the serum was tested and input into an artificial neural network(ANN)together with the characters of the every Chinese herb included in those compounds.The ANN was optimized using AIS so that it can predict the inhibitory ability against S.aureus of the Chinese herbal compounds according to the characters of Chinese herbs included in those compounds.After that the computer generated a number of Chinese herbal compounds randomly,calculated their inhibitory ability against S.aureus and output those among the top levels,so as to verify whether the predictions were correct or not.Results After verification,the Chinese herbal drug compounds designed by computer could significantly raise the serum's inhibitory ability against S.aureus.Conclusion The computer can be an assistant for designing new Chinese herbal compounds with anti-infectious function
10.Protective effects of different doses of hydrogen-rich water on radiation injury in mice
Xiujun QIN ; Jingjing YIN ; Wenli XU ; Hui YUAN ; Jinping WEI ; Jianguo LI ; Quan AN
Chinese Journal of Radiological Medicine and Protection 2014;34(8):578-582
Objective To observe the protective effects of different doses of hydrogen-rich water on radiation injury in mice,so as to provide scientific basis for the application of hydrogen-rich water.Methods The ICR mice were randomly divided into control group,irradiation group,amifostine group and hydrogen-rich water of low,medium and high dose groups.The 30 days survival rate,body weight,hematology parameters,serum biochemical parameters,organ weight and coefficient,bone marrow micronucleus rate,bone marrow nucleated cell count were observed after total body irradiation with 9.0 Gy gamma rays.Results After 30 d of irradiation,the hydrogen-rich water showed obvious protective effect on the survival rate and body weight in a dose dependent manner so that the survival was significantly higher than that of irradiation group (t =-2.67,P < 0.05).The biochemical index,such as TP,ALB and CRE in the low dose group,TP,ALB,TBIL and CRE in the medium dose group,and TP,ALB,GLU,TBIL,BUN,GRE and UA in the high dose group also indicated the protective effects of hydrogen-rich water (t =-2.04--4.11,P < 0.05).But the protective effect of hydrogen-rich water was not observed in hematology,organ weight and coefficient,and bone marrow micronucleus induction.Conclusions The hydrogen-rich water has anti-radiation effect,which may depend on the dose of hydrogen.