1.Application of Morphology Microscopically Comparison by Using SP-1000i and CellaVision DM96
Journal of Modern Laboratory Medicine 2016;31(3):135-137,142
Objective To improve the objectivity and consistency of microscopically comparison in morphology by using SP-1000i and CellaVision DM96.Methods Ten cases of venous blood samples were collected.The morphological comparison of white blood cells were performed between the traditional method and the new method (by using SP-1000i and CellaVision DM96),at the same time,between 2 veterans and other 10 common operators.According to the same methods,the time was compared.Results By using this new method,the consistency of microscopically comparison was greatly improved (P<0.01),the number of people who need to compare again was decreased obviously(P<0.01),and the time of the procedure was also shortened evidently(P<0.05).Conclusion The quality control of clinic laboratory will must be greatly improved with timesaving and labour-saving when SP-1000i and CellaVision DM96 are applied in microscopically comparison in mor-phology.
2.The anti-tumor effect of photodynamic therapy on transplanted pancreatic cancer model and its time-effect relationship
Chinese Journal of Pancreatology 2008;8(2):95-97
Objective To investigate the anti-tumor effects of photodynamie therapy(PDT)on human pancreatic cancer xenograft in nude mice and the time-effect relationship of PDT.Methods The animal model of human pancreatic cancer was developed by suturing small pieces of SW1990 tumors into the dorsum of nude mice.When the size of the tumors increased to 0.8~1.0 cm.36 mice were randomly divided into three groups:control group(no treatment),photosensitizer group(Photosan 2mg/kg,abdominal cavity injection),photodynamic group(Photosan 2 mg/kg injection+laser irradiation).Each group included 12 mice.The tumor sizes were measured twice per week and the weight8 and volumes of the tumors were measured,and the tumor inhibitory rate was calculated three weeks later.Results The tumor volume of photodynamic group was (0.22±0.12)mm3 at the 6th day,which was significantly smaller than(0.43 s0.18)mm3 of control group and(0.39±0.15)mm3 of photosensitizer group(P<0.05).15 days later,the tumor volumes of PDT groups increased.21 days later.the weight of the tumors in photodynamie group was(0.69±0.23)g,which was significantly lower than(1.65 ±0.21)g of control group and(1.62±0.12)g of photosensitizer group(P<0.05).The tumor inhibitory rate in photodynamic group was 58.18%,which was significantly higher than that of photoseasitizer group(1.8%,P<0.05).Conclusions Photodynamie therapy had significant anti-tumor effect on human pancreatic cancer with quick-acting efficacy,but photodynamie therapy alone exeaed efficacy only in the shoa term.
3.Study on treatment of transplanted pancreatic cancer by gemcitabine combined with photodynamic therapy
Chinese Journal of Digestion 2008;28(5):314-317
Objective To investigate the effects of gemcitabine,a cytotoxic drug,combined with photodynamic therapy (PDT) in treatment of human pancreatic cancer xenograft in nude mice.Methods The animal model of human pancreatic cancer was developed by suturing small pieces of SW1990 tumors into the dorsum of nude mice.Sixty animal models were randomly divided into five groups with 12 each:control group ( without any treatment ), photosensitizer group ( 2 mg/kg of Photosan, without illumination ),chemotherapy group (receiving 50 mg/kg of gemcitabine i.p. on day 0,3,6 and 9 after transplantation),photodynamic group (2 mg/kg photosan combined with laser irradiation) and combination group (50 mg/kg of gemcitabine and 2 mg/kg of photosan combined with laser irradiation). The tumor sizes were measured twice every week.All mice were sacrificed after 21 days.The tumor volume was calculated,and inhibitory effect and changes before and after treatment were analyzed.Results The tumor was grown bigger in control,photosensitizer and chemotherapy groups (all P value <0.05).On day 6,9,12,15,18and 21, the tumor size was significantly smaller in photodynamic group than those in control and photosensitize groups.While the tumor size on day 18 and 21 was smaller in combined group than those in photodynamic group(all P value <0.05). The tumor mass was (0.29 ± 0.20) g in combined group,which was lower than that in photodynamic,control,photosensitize and chemotherapy groups[(0.69±0.23) g,(1.65±0.21) g,(1.62±0.12) g,(1.37±0.19) g,respectively,P<0.05].The inhibitory effect were 82.420%00 and 58.18% in combined group and photodynamic group,respectively(P<0.05),while there was 1.80% and 17.00% in photosensitize and chemotherapy groups,respectively.Conclusions Photodynamic therapy has significant and short anti-tumor effect,but it can be significantly enhanced by combined with small dose of gemcitabine.
4.Curative effect of Aidi injection solution combined with carboplatin on controlling malignant pleural effusion
Clinical Medicine of China 2014;30(10):1035-1037
Objective To investigate the curative effect of Aidi injection solution combined withcarboplatin on controlling malignant pleural effusion(MPE).Method A total of 86 cancer patients with appearedPME were selected as our subjected who hospitalized in the First People's Hospital of Shangqiu from Feb.2012to Mar.2013.They were randomly divided into the observation group(43 cases) and the control group(43cases).Patients in the oontrol group were treated with carboplatin at dose of 100 mg/per times which was putinto the thoracic cavity,and patients in the observation group was treated with Aidi injection solution at dose of100 mg/per times beside carbeplatin.The treatment period was 4 weeks.The effect information,quality of lifeand adverse reactions were recorded.Results The total effective rate and survival quality improvement rate inobservation group were 86.05% (37/43) and 51.16% (22/43),higher than those in control group (67.44%(19/43),30.23% (13/43)),and the differences were significant(x2 =4.170,3.903 ; P < 0.05).There wasno significant difference in terms of the related adverse reactions between two groups(P >0.05).ConclusionThe therapy of Aidi injection solution plus carboplatin on controlling MPE is proved to be effective and it canimprove patients' quality of life with better safety.Therefore it is worthy of recommendation.
5.Abnormally activation of lymphocyte by auto-platelet with idiopathic throm bocytopenic purpura
Chinese Journal of Laboratory Medicine 2001;0(03):-
Objective To investigate the expression of HLA DR on the platelet membrane and the activation of CD4 +T lymphocyte with idiopathic thrombocytopenic purpura (ITP) Methods By flow cytometry, HLA DR expressed on platelet membrane and IL 2 level produced by activated CD4 +T lymphocyte in 60 patients with ITP and 60 normal volunteers were measured Results The percentage of platelet expressing HLA DR (0 808?0 218)% measured in 60 patients with ITP by flow cytometry analysis was markedly higher than that in control subjects (0 025?0 019)% ( P
6.Evaluative value of dynamic observation of prealbumin,C-reactive protein and D-dimer in patients with pneumonia septic shock
Jinguang JIA ; Hongtao YU ; Yanhong LIU
Clinical Medicine of China 2010;26(5):496-498
Objective To study the changes of Prealbumin (PA),C-reactive protein (CRP) and D-dimer (DD) levels in septic shock patients due to pneumonia so as to explore the relation to the severity of disease and prognosis.Methods PA,CRP and DD levels of 48 sepsis patients were measured on 1st 、 3rd、5th day after admission and the last day before discharge or death.Meanwhile APACHE Ⅱ score were documented.According to prognosis,patients were divided into death group and non-death group.Results The levels of PA、CRP and DD on the 1 st day were of no significant difference between the death group and non-death group( t = 2.315 ,P > 0.05;t =2.013,P >0.05; t =2.511 ,P >0.05).The level of PA in death group on the 3rd day,the 5th day and the last day was much lower than that in non-death group ( t = 2.422,P < 0.05; t = 2.557,P < 0.05; t = 2.906,P < 0.05 ).The level of CRP and DD in death group on the 3rd day,the 5th day and the last day was much higher than those in nondeath group(t =2.061 ,P <0.05 ;t =2.843,P <0.05 ,t =3.519,P <0.01 and t = 2.576,P <0.05,t = 2.823,P <0.05; t = 3.371 ,P < 0.01 ).There was a negative correlation between PA and APACHE Ⅱ scores ( r = - 0.631,P <0.01 ) ,while a positive correlation was found between CRP,DD and APACHE Ⅱ score(r =0.687 ,P <0.01 and r =0.651 ,P < 0.01 ).Conclusions Persistent low level of PA and high level of CRP,DD indicated severe disease course and unflavored prognosis.It is of clinical value to evaluate the severity of disease and predict prognosis in sepsis by combined dynamic observation of PA,CRP and DD levels.
7.Clinical observation of lafutidine treated in curing peptic ulcer
Yanhua XIE ; Xiaoru LIU ; Yanhong XIE
Clinical Medicine of China 2015;31(11):992-995
Objective To observe the clinical efficacy and safety of application of lafutidine treated in curing peptic ulcer.Methods Eighty-four patients with peptic ulcer were randomly assigned to receive either lafutidine(10 mg) twice daily in 42 patients of cured group or lansoprazole (30 mg) once daily for 4 weeks in 42 patients of control group.Ulcer healing rate and clinical performance were examined after treatment.Results The first,third and seventh day of peptic ulcer healing rate were 38.09% (16/42), 71.42% (30/42) and 90.47% (38/42) in the lansoprazole group and 23.81% (10/42), 76.19% (32/42) and 85.71% (36/42) in the lafutidine group.There were no siginificant difference between two groups (P =0.157,0.620, 0.736).Gastroscope examination showed the complete healing rate, average healing rate and general clinical effectiveness were 61.90%(26/42) ,30.95%(13/42) and 97.61%(41/42) in the lansoprazole group,while the number for lafutidine group were 57.14% (24/42), 28.57% (12/42) and 95.23% (40/42).There were no siginificant difference between two groups (P =0.657, 0.811, 1.000).No severe side-effect was occurred in both groups.Conclusion Use Lafutidine to cure peptic ulcer can promote healing effectively, improve patients' clinical symptoms which is similar to lansoprazole.
8.Synthesis of diethylenetriamine polydentate ligands and their DNA-cleaving activity.
Xiaofei ZHU ; Yanhong LIU ; Yong YE
Acta Pharmaceutica Sinica 2012;47(3):380-4
A series of multinuclear diethylenetriamine ligands were synthesized and used as artificial nuclease enzyme model. Target compounds were characterized by 1H NMR, 13C NMR, IR and ESI-MS. Preliminary studies on the cleavage of pUC19 DNA in the presence of metal complexes have also been performed and the results revealed that these complexes could act as powerful catalysts for the cleavage of pUC19 DNA after 48 h under physiological conditions. The hydrolytic cleavage mechanism of DNA plasmid by title compound was confirmed by T4 DNA ligase experiment.
9.The Observasion of Heparin-induced Thrombocytopenia During Blood Purification
Yanhong LIU ; Suhong XIAO ; Fuxia ZHENG
Journal of Medical Research 2006;0(08):-
Objective To observe the occurring time of heparin-induced thrombocytopenia,resuming time and effects of treatment during continuous hemofiltration.Methods To select 9 cases of patients with continuous veno-venous hemofiltration(CVVH)hospitalized in Luohe centre hospital,70 cases of patients with hemoperfusion and 20 hemodiaglysis cases of patients with acute and chronic renal failure during 2005,1 to 2006,1,blood samples were collected from the patients,platelet was tested before and after the treatment,the bleeding symptoms and effects of treatment were observed.Results There was 1 case during the 27th hour of CVVH,the lowest platelet was 10?10~9/L,resumed 48h hours after stoping heparin;there was 1 case during the first hour of hemoperfusion,the lowest platelet was 67?10~9/L,resumed 60h hours after stoping heparin.Conclusions It is essential to observe the changes of disease condition closely,to test platelet and whenever necessary to give cortex hormone,hemostatics and interrupted using platelet transfusion.
10.The Factor Relateted to the Prognosis in HFRS Patients with ARF Oliguresis stay.
Yanhong LIU ; Junhong WANG ; Tao CHEN
Journal of Medical Research 2006;0(09):-
Objective To investigate the factor relateted to the prognosis in HFRS patients with ARF oliguresis stage and the applied chance of hemodiaglysis in HFRS patients. Methods 46 cases of HFRS patients with ARF, with hemodiaglysis applied hospitalized in the department of infectious disease of Luohe centre hospital during 1996 to 2004 were retrospectively investigated and the factor related to the prognosis were analyzed,divided into three groups:successful group,delayed group, died group, and 14 sorts of clinical factors and common lab test items compared. Results Between live groups, the following factors are statistics value,such as the age, platelet,serum albution before HD,frequency of HD and the days of oliguresis stage, the difference of the other factors such as chance of HD,laboratory indicators and complication occuring rate of are no notable. The age of died group is in one′s prime, died in 3 hospitalized days, given HD only 1~2 times,so,chance of HD and days of oliguresis stage were without comparing value,but,the rate of acute complication is 100 percent,the difference is notable.Conclusions The influence of HD time is no notable,and, to prevent acute complication before HD is the key factor relateted to the prognosis.