Aim To determine the effect of phospholipase C(PLC) on the rabbit platelet triphosphoryl inositol(IP_3) induced by ADP,and then to explore the mechanism of anti-aggregation to platelet by PLC.Method PRP was made from rabbit blood by removing red cells,and then was parted to eight groups.The first group was treated with PSS.The second was treated with with ADP.The third was treated with ASP and then induced by ADP.Four to eight groups were treated with different dose of PLC respectively and then induced by ADP.IP_3 of rabbit platelet was made by trichloro-acetic acid method,and its content was tested by radioimmunological assay.Result IP_3 of rabbit platelet treated with PSS was 0.29 pmol/10~8 platelet.IP_3 of rabbit platelet treated with ADP was 0.39 pmol/10~8 platelet.IP_3 of rabbit platelet,which were treated with ASP 668 ?mol?L~(-1),5,10,15,20 and 25 U PLC?ml~(-1) respectively and then induced by ADP,were 0.29,0.19,0.08,0.15,0.25,0.04 and 0.18 pmoL/10~8 platelet respectively.IP_3 of ADP group was apparently higher than that of PSS group,but the IP_3 of ASP group and different dose PLC group were significantly lower than ADP group(P

Objective:To investigate the expression of the collagenases MMP-13 and its inhibitor, tissue inhibitor metalloproteinase-1 (TIMP-1) in the rat lung of the experimental models of COPD.Methods:Male Wistar rats (10 weeks of age) were divided into two groups—model and control groups.The rat of model group were given intratracheal lipopolysaccharide (LPS),and then animals were exposed to cigarette smoke for 32 days.The lung function was measured,and pathological changes were also observed.Transcriptional levels of MMP-13 and TIMP-1 mRNA extracted from the lungs were assessed by semiquantitative reverse transcription-polymerase chain reaction (RT-PCR).Results:(1)In COPD model group,the pathological changes of bronchi and lung tissue,the changes of lung function were similar to those of the COPD patients.(2)The mRNA expression of MMP-13 and TIMP-1 in COPD model group were significantly increased compared with those in control group( P

Objective To explore the influence factors of thrombocytopenia in patients with severe infection in ICU ,so as to provide a reference for clinic prevention and treatment and the judgment of prognosis .Methods 76 patients(39 male ,37 female) with severe infection from May 2014 to December 2014 were retrospectively analyzed in this hospital .Among them there were 40 cases with thrombocytopenia (Group A ) ,and 36 patients without thrombocytopenia (group B) .Influence factors and prognosis differences were investigated for thrombocytopenia combine with severe infection .Results There was correlation between the age , numeration of leukocyte ,neutrophil ratio ,gram negative bacteria infection ,respiratory infection and severe infection combine with thrombocytopenia(P < 0 .05 ) ,ICU dwell time and mortality differences between the two groups was statistic significance ( P<0 .05) .Conclusion Platelet count should be monitored in patients with severe infection ,especially in those with old age ,respiratory infections ,Gram negative bacteria infection ,we should give priority intervention and find the point in time in order to prevention and cure and improve its poor prognosis .

This paper summarized the effects of the treatment of chronic hepatitis B (CHB) by lamivudine combined with traditional Chinese medicine or western medicine in the past few years. Combined treatment of lamivudine and the other medicine had higher efficiency than lamvudine alone in the treatment of CHB. The Combined treatment should be a tendency of the treatment for chronic hepatitis B. The focal point is that the traditional Chinese recipe produces a multitarget effect in the treatment of CHB. The combined treatment of lamivudine and traditional Chinese recipe can reduce the treatment course and the recurrence rate. Combined treatment of traditional Chinese medicine and western medicine has notable superiority and broad developing prospect in the treatment of CHB.

Positive psychology focuses on enhancing individual positive emotion and promoting the development of individual positive personality.Introducing positive psychology into the first stage of internal medical resident standardized training will improve the resident ability to solve clinical problems.It's helpful for resident doctors to improve their clinical thinking ability,doctor education innovation ability and lifelong self-education ability.It inspires their creative thinking by motivating their positive emotions It would help them to avoid occupational tiredness.Using the idea of positive psychology could improve the comprehensive quality of residents.

Objective To investigate the ultrasonographic features corresponding to classification of peripheral neuropathies in neurofibromatosis type Ⅰ.Methods Thirty-six patients with peripheral neuropathies and diagnosis of neurofibromatosis type I were enrolled in this study.Ultrasound appearance of peripheral neuropathies was analyzed and divided into four groups according to their pathological classifications.There were 19 males and 17 females with age between 7-47 years.High frequency or board frequency ultrasound probes were used for scanning.Results The ultrasound findings were varied based on different pathological classifications.Multiple nodular class(n=5) was presented as multiple nodes.Ultrasound demonstrated that tumors were multiple,oval or lobulated,and had well defined margin,and the echogenic of lesions was mainly hypoechoic.Plexiform class (n=12) was presented as cluster nodes along the peripheral nerve trunk.Ultrasound showed trunk nerves in extremities became thicker in a long range and lost the normal structure,and catenular or racemosum in shape.The echogenicity was hypoechoic.Diffuse class (n=14) was diffuse subcutaneous disease.Tumors range was infiltrative.The subcutaneous soft tissue was thicken and echogenicity was increased.The structure of nerve bundle was disturbed and associated with multiple hypoechoic nodes.Mixture class (n=5) was defined as mixture of multiple nodular class and plexiform class.In this group,diffuse disorders were co-existed with multiple nodes disorder.Conclusions The ultrasonographic appearances of peripheral nerve disorders in neurofibromatosis type I was closely corresponded to their pathological characters.And the ultrasonic examination would be helpful to diagnosis and provide important information for therapy.

Objective To analyze effects of maternal passive smoking at different exposure level in different period of pregnancy on fetal birth weight and to reveal the influence of different measurement methods on the effects of maternal passive smoking.Methods Meta analysis was applied.NCBI,OVIDC-MEDLINE,CNKI,VIP and CBM were searched,all searched studies were retrieved,and their references were checked for other relevant publications,with the language limited to Chinese and English.The search was finished by April 2008.Pooled mean differences with 95% confidence interval were estimated using data extracted from papers.Results A total of 38 papers were searched,and 19 of them were prospective studies and 19 were retrospective studies,respectively.Maternal passive smoking was associated with a reduction of 67.62 g(95% CI:-90.15～-45.09)in mean birth-weight,and the adjusted reduction was 44.92 g(95% CI:-67.07～-22.77).Based on biochemical markers measurement,the pooled effect size was-73.87 g(95% CI:-113.41～-34.34),based on self-report measurement,the pooled effect size was-62.93 g(95% CI:-84.49～-41.37).The lowest and highest level exposure's effect sizes were-44.61 g(95% CI:-78.36～-10.87)and-116.37 g(95% CI:-180.74～-52.01),respectively.Maternal passive smoking in early pregnancy can reduce the birth-weight by 2.70 g(95% CI:-37.74～32.33),however,it was not statistically significant.Conclusions Maternal passive smoking during pregnancy could reduce infant birth-weight.The middle or late period of pregnancy might be the sensitive period for passive smoking's effect.There is no clear threshold value for passive smoking causing low birth weight.

Isoelectric focusina Electrophoresis(lFE)was use to detenmine the isoelectric point of main protein composition in Chinese Traditional Medicine (TCM ) either of animal origin Such as (EuPotyPhage sinenses)orfrom fruit or seed of plants (such as the seed of CeIosia urgeatea). Results showed that their IFE bands werealways quite distinct,which can be used to assess their quality and to distinguish them from confusable varieties.

Objective To compare the clinical conditions between the diabetics and non-diabetics at their initiation of peritoneal dialysis.Methods Sixty-seven patients aged over 50 years (27 type 2 diabetic and 40 non-diabetic patients) were included in the study.Patients’ residual renal function,nutritional status,comorbidities and physical activity were evaluated.Results Compared with nondiabetic patients,the serum creatinine,albumin and prealbumin levels,hand grip and physical activity were significantly lower and the nutritional status were significantly worse in diabetic patients,whereas the residual renal function and indices of comorbidity were significantly higher in diabetic patients as compared to nondiabetics.Conclusions The time choice for dialysis is combiningly determined by residual renal function,clinical status,comordity and nutritional status.And CAPP should be in time.