1.Influence of different kinds of infusion solutions during renal transplantation on blood glucose levels in children.
Min-Hui DAI ; Kun YAN ; Can LU
Chinese Journal of Contemporary Pediatrics 2011;13(7):595-597
Adolescent
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Blood Glucose
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analysis
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Female
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Humans
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Kidney Transplantation
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Male
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Sodium
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blood
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Sodium Chloride
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administration & dosage
2.Measurement and clinical significance of D-dimer during perioperative period in advanced age patients with hip fracture
Yan LU ; Pan CAI ; Mingrong TANG ; Jun DAI ; Yan WANG
International Journal of Laboratory Medicine 2015;(1):25-26
Objective To investigate the change and clinical significance of blood D-dimer level during perioperative period in ad-vanced age hip fracture.Methods The blood D-dimer level in 60 patients aged over 80 years old with hip fracture was detected be-fore operation and after operation,which including at admission(T1 ),immediately preoperation(T2 ),immediately postoperation (T3 )and on postoperative 1 d (T4 ).Results The positive rates of D-dimer at T1 ,T2 ,T3 and T4 were 6.67%,16.45%,41.67%and 80.00% respectively;there were statistically significant differences between T3 ,T4 and T1 ,T2 ,between T3 and T4 (P <0.05);there was no statistically significant difference between T1 and T2 (P >0.05).Conclusion The level of D-dimer in advanced age hip fracture has significant change before and after operation.The change of the D-dimer positive rate is an effective index for preven-ting lower limbs deep venous thrombosis and has the important clinical significance to dynamically monitor the D-dimer level during perioperative period in advanced age hip fracture.
3.Gitelman′s syndrome (report of 2 cases)
Hong TAO ; Weixin DAI ; Zhaolin LU ; Yan JIANG
Chinese Journal of Endocrinology and Metabolism 1986;0(04):-
Objective To study the clinical characteristics of Gitelman′s syndrome, and the differentiation of Gitelman′s syndrome from Bartter′s syndrome. Methods Clinical data of 2 patients diagnosed as Gitelman′s syndrome were retrospectively analysed. Results The symptoms of both patients appeared at adult age, their main manifestation included hypokalaemic alkalosis, hyperreninemia and juxtaglomerular apparatus hyperplasia with normal blood pressure, hypocalciuria and hypomagnesemia, then the diagnosis of Gitelman′s syndrome was established. Potassium and magnesium supplementation ameliorated one patient′s symptom. Another patient treated with indomethacin, serum potassium was recovered to normal level. Conclusion Gitelman′s syndrome and Bartter′s syndrome appear to be similar in the pathogenesis, clinical manifestation and prognosis, but still show some differences, Gitelman′s syndrome should be carefully differentiated from Bartter′s syndrome.
4.Effects of enalapril on expression of MMP-2 and MMP-9 in renal hypertension rats with focal cerebral ischemic reperfusion
Chunhai YAN ; Quande DAI ; Jianping ZHANG ; Wenge LU
Chinese Journal of Primary Medicine and Pharmacy 2010;17(15):2081-2083
Objective To observe the effects of ACEI( enalapril) on expression of MMP-2 and MMP-9 in renal hypertension rats with focal cerebral ischemia-reperfusion injury. Methods Twenty-eight Wistar male rats were randomly divided into two groups: hypertension group and normaltension group. The former which formed model of renal hypertension rats by constricted renovascular were randomly divided into enalapril group (Y) and hypertension ischemia and reperfusion group(HIR),which fed with enalapril 2mg/kg and equal volum saline respectively;The latter were divided into sham-operation group ( N) and normaltension ischemia and reperfusion group (IR). The focal cerebral ischemia model was established in Wistar rats by using the method of thread inserting left middle cerebral artery occlusion(MCAO) for 2h. After ischemic 24h,the expression of MMP-2 and MMP-9 were measured by immunohisto-chemistry,and the gray scale value was measured by imaging analysis. Results Compared with N,the gray scale values of MMP-2 and MMP-9 in IR were higher(P <0. 01); Compared with IR, the gray scale values of MMP-2 and MMP-9 in HIR were higher(P<0. 05);Compared with HIR,the gray scale values of MMP-2 and MMP-9 in Y were lower(P<0.01). Conclusion Hypertension can increase the expression of MMP-2 and MMP-9 in rats with focal cerebral ischemia-reperfusion. ACEI (Enalapril) could inhibit the expression of MMP-2 and MMP-9 in renal hypertension rats with focal cerebral ischemia-reperfusion.
5.Advances in plant anthocyanin transport mechanism.
Lu WANG ; Silan DAI ; Xuehua JIN ; He HUANG ; Yan HONG
Chinese Journal of Biotechnology 2014;30(6):848-863
Anthocyanin biosynthesis is one of the thoroughly studied enzymatic pathways in biology, but little is known about the molecular mechanisms of its final stage: the transport of the anthocyanins into the vacuole. A clear picture of the dynamic trafficking of flavonoids is only now beginning to emerge. So far four different models have been proposed to explain the transport of anthocyanins from biosynthetic sites to the central vacuole, and four types of transporters have been found associated with the transport of anthocyanins: glutathione S-transferase, multidrug resistance-associated protein, multidrug and toxic compound extrusion, bilitranslocase-homologue. The functions of these proteins and related genes have also been studied. Although different models have been proposed, cellular and subcellular information is still lacking for reconciliation of different lines of evidence in various anthocyanin sequestration studies. According to the information available, through sequence analysis, gene expression analysis, subcellular positioning and complementation experiments, the function and location of these transporters can be explored, and the anthocyanin transport mechanism can be better understood.
Anthocyanins
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metabolism
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Biological Transport
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Glutathione Transferase
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metabolism
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Membrane Transport Proteins
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metabolism
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Multidrug Resistance-Associated Proteins
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metabolism
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Plants
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metabolism
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Vacuoles
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metabolism
6.Therapeutic effect of ulinastatin combined with dexamethasone on blast-induced acute lung injury in rabbits
Zunqiang DAI ; Lei YUAN ; Zhiqiang ZOU ; Zhaotong LU ; Yan SHI
Chinese Journal of Trauma 2015;31(5):461-466
Objective To discuss the therapeutic effect of ulinastatin combined with dexamethasone on blast-induced acute lung injury (ALI) in rabbits.Methods Thirty-eight New Zealand white rabbits with blast-induced ALI were divided into four groups according to the random number table:injury group (n =8),treatment group Ⅰ (dexamethasone alone,n =10),treatment group Ⅱ (ulinastatin alone,n =10),combination therapy group (dexamethasone + ulinastatin,n =10).In addition,8 uninjured rabbits were randomly selected as control group.Treatment groups were given relevant medication by intramuscular injection at 0.5,12,24,36 and 48 hours after successful modeling.Injury group and control group were given equal volume of isotonic saline at the same time.Parameters of respiratory rate,oxygenation index (PaO2/FiO2),TNF-α,IL-6,IL-8 and neutrophil elastase (NE)were detected before and afterfirst treatment at 6,24,48 and 72 hours.All rabbits were sacrificed after 72 hoars to detect TNF-α,IL-6,IL-8 and NE contents in bronchoalveolar lavage fluid (BALF) and to measure wet to dry lung weight ratio.HE staining was performed to observe pathological changes of lung tissues Results In contrast,respiratory rate was high in injury group at each time point,which increased to the peak (75.0 ± 7.4) times/min at 6 hours far higher than (33.0 ± 4.5) times/min in control group (P <0.01).Wet to dry lung weight ratio and TNF-α,IL-6 as well as IL-8 contents of the peripheral blood and BAI.F in injury group were significantly higher than those in control group (P <0.01).PaO2/ FiO2 in injury group was decreased to the lowest level of (180.5 ± 12.6)mmHg at 72 hours far lower than (403.7-8.0)mmHg in control group (P <0.01).While improvements were observed in treatment groups with respect to these indicators,and significantly much better results were detected in combination therapy group rather than in treatment groups Ⅰ and Ⅱ (P < 0.01).Conclusion Ulinastatin combined with dexamethasone is an effective therapy on blast-induced ALI in rabbits,and the effect is significantly better than that with single use of uliinastatin or dexamethasone.
7.The role of scientific research management department in the construction of biobank
Gang SHI ; Qinghai DAI ; Tiannan MEN ; Weiwei GAO ; Yan YAN ; Wei LU
Chinese Journal of Medical Science Research Management 2017;30(4):244-247,254
Objective To explore and identify the role of scientific research management departmentin the construction of biobank,discuss problems encountered and possible strategies.Methods Our hospital scientific research management department actively involved,and played an important role in the coordination work for hardware and software construction during the setting up of Infectious disease biorepository.A series of institutional policies and procedures were developed,such as organizational structure of the biobank,sample collection rules at the clinic and research achievementtransformation guidelines.Results A total of 500-case samples were collected,involving different kinds of infectious diseases,like HBV,HCV and HIV.The biobank undertook the Science and Technology Resources Platform Construction Projectof Tianjin health and Family Planning Commission,also established collaboration relationships with domestic and foreign scientific research institutions andhospitals like Memorial University of Newfoundland.Conclusions Scientific research management department should play an important role in the construction of biobank and lay a solid foundation for the development of the biobank.
8.The effect of ulinastatin on blood gas analysis in rabbits with acute lung injury following a blast
Lei YUAN ; Zunqiang DAI ; Yan SHI ; Ao XU ; Zhiqiang ZOU ; Zhaotong LU
Chinese Journal of Emergency Medicine 2016;25(3):301-304
Objective To study the effect of ulinastatin (UTI) on blood gas analysis in rabbits with acute lung injury (ALI) after an explosion.Methods A total of 24 healthy New Zealand white rabbits were made to be ALI models by an explosion at a distance of 11 cm.The rabbits met the criteria of ALI,and were randomly (random number) divided into A and B groups.In group B,rabbits received UTI injected at 0.5 h,6 h,12 h,24 h after modeling.In group A,an equal volume of saline was given to rabbits instead at the same intervals after modeling.Arterial blood pH,carbon dioxide partial pressure (PaCO2) and partial pressure of blood oxygen (PaO2) were determined by a portable blood gas analyzer before modeling and at given intervals after modeling.All rabbits were sacrificed after 48 h later.The pathological changes of lung tissue were observed with naked eye and extent of lung injury with HE staining.Results Compared with group A,pulmonary edema and infiltration of inflammatory cells in the lungs of rabbits in group B were less significant.The blood gas analysis showed there were significant difference in pH at 24 h after injury between group A (7.24 ± 0.07) and group B (7.35 ± 0.06),P < 0.05.There was significant difference in PaO2 at 24 h after injury between group A (50.5 ± 9.9) mmHg and group B (78.1 ± 8.4) mmHg,P < 0.05.And there was significant difference in PaCO2 at 24 h after injury between group A (52.4 ± 5.5) mmHg and group B (42.8 ± 4.5) mmHg,P < 0.05.Conclusion UTI can significantly reduce acidosis,PaCO2 and increase PaO2 in rabbits with ALI following a blast,improving oxygenation and mitigating lung histopathological changes.
9.Clinical features of non-immune hydrops fetalis in neonates
Xiaoxia AN ; Jimei WANG ; Xiaolei ZHUANG ; Jiale DAI ; Chengqiu LU ; Xiaotian LI ; Yingliu YAN
Chinese Journal of Perinatal Medicine 2015;18(12):896-903
Objective To summarize the clinical characteristics of neonates with non-immune hydrops fetalis.Methods The clinical data of ten neonates with non-immune hydrops fetalis, who were admitted to the Department of Neonatology, Gynecology and Obstetrics Hospital of Fudan University between January 2012 and June 2014, were retrospectively studied.Prenatal characteristics, causes, clinical features and prognosis were explored and analyzed with descriptive statistical methods.Results (1) One of the ten neonates was diagnosed after birth presented with hydroderma and abdominal distension, and the rest ones were diagnosed antenatally.There were six males and four females, and eight premature and two term neonates with the average gestational age of (33.6±2.4) weeks and birth weight of(2 680±478) g.(2) The mean maternal age was (30.3 ±4.6) years.Two of the mothers had gestational diabetes mellitus and one had gestational diabetes mellitus complicating with hyperthyroidism.The blood types of all mothers were O and Rh(+).None of the mothers were tested for parvovirus B19 and no fetus was reported with abnormal chromosome karyotype in the five cases received fetal karyotype analysis.(3) The average gestational age at initial identification of hydrops fetalis by fetal ultrasound was (31.3 ± 2.4) weeks (25.1~37.0 weeks) among nine cases diagnosed prenatally.By ultrasound screening, there were seven cases with hydrothorax, six with seroperitoneum, five with polyhydramnios and four with hydroderm.(4) Two neonates had normal non-stress test results during labor, and eight were abnormal and suffered from severe neonatal asphyxia at birth and resuscitated by endotracheal intubation.Ten neonates had hydroderm, seven had hydrothorax, six had seroperitoneum and one had hydropericardium.One complicated with multiple malformations and one had chromosome abnormality.Four cases received thoracentesis and three had abdominal paracentesis after parturition.(5) Prognosis: One neonate survived and nine died among which six due to resuscitation failure in delivery room, two died one day after giving up treatment after one day, and one died due to treatment failure six months after birth.(6) The causes of hydrops fetalis were anemia (two cases) and congenital diaphragmatic hemangioma, recurrent atrial premature beat, Down's syndrome, congenital pulmonary lymphangiectasia, paroxysmal supraventricular tachycardia, placental chorioangioma, suspicious genetic syndrome and idiopathic (one for each).Conclusions The prognosis varies because of different etiology of non-immune hydrops fetalis.Neonates with hydrops fetalis might have a higher rate of asphyxia and mortality rate, and difficulties in resuscitation at birth.
10.Relationship between endothelial progenitor cells and cardiovascular diseases in maintenance hemodialysis patients
Yaping ZHAN ; Huili DAI ; Weiming ZHANG ; Mingli ZHU ; Yan FANG ; Renhua LU ; Zhaohui NI ; Jiaqi QIAN
Chinese Journal of Nephrology 2016;32(12):881-887
Objective To investigate the relationship between the variation of endothelial progenitor cells (EPC) number and cardiovascular diseases (CVD) in maintenance hemodialysis (MHD) patients ,and discuss the function of EPC in the progression of CVD in MHD. Methods One hundred and fifteen MHD patients over 18 years whose dialysis vintage was over six months from Department of Nephrology, Renji Hospital, Shanghai Jiao Tong University School of Medicine were enrolled. They were divided into CVD group and non ? CVD group by medical history, electrokardiographie (EKG), cardiac ultrasound, peripheral vascular imaging and cardiovascular imaging. Peripheral blood (5 ml) was collected for detecting EPC number by flow cytometry as CD34/CD133/vascular endothelial growth factor receptor 2 (VEGFR2) cells. The EPC number between CVD group and non?CVD group was compared. The relationship between the decrease of EPC number and CVD risks in MHD patients was analyzed by logistic regression analysis. In a three?year follow?up, the death and new CVD events of the two groups were compared in order to discuss the relationship between EPC number and adverse events. Results Among 115 MHD patients, the average age was 61.57 ± 12.76, male/female was 71/44, the average dialysis vintage was (86.24 ± 56.31) months, the average Kt/V was 1.69 ± 0.29 and average ultrafiltration volume was (2.48 ± 0.90) L. Forty?four patients in 115 (38.3%) were with concurrent CVD. The EPC number in CVD group was significantly lower than that in non CVD group (P=0.015). The CVD group had higher serum phosphate (P=0.013), higher glycosylated hemoglobin (P<0.001), but serum calcium, intact parathyroid hormone (iPTH) and other indicators had no significant difference between two groups. Multiple Logistic regression analysis showed that older age (OR=1.061), history of diabetes (OR=9.796), dialysis vintage (OR=1.015), serum phosphate (OR=3.766), decrease of EPC number (OR=0.909) were the independent impact factors of CVD events in MHD patients. There were 22 patients of the 115 MHD patients had encountered a new CVD event in a three?year follow?up between December 2012 and December 2015, 9 patients from the CVD group and 13 patients from the Non?CVD group, and there was no significant difference between two groups (P=0.776). Nine patients from the CVD group and 7 patients from the Non?CVD group died in the follow?up, and there was no significant difference (P=0.111). Seventy?one MHD patients from the non?CVD group were divided into two groups by the median of EPC number. There were 3 patients in the higher EPC number group encountered CVD events and 10 patients in the lower EPC number group encountered CVD events, which had significant difference (P=0.024). Conclusion The decrease of circulating EPC number may be related with CVD events in MHD patients. Even adjusted by age, sex, diabetes, dialysis vintage and serum phosphate, decreased EPC number is still the independent risk factor of CVD events in MHD patients. The decrease of EPC number in MHD patients may be used to predict the occurrence of cardiovascular events.