Objective To investigate the relation of the associated biomarkers and the early clinicaloutcomes in acute cerebral infarction. Methods Three hundred and seventeen patients with cerebral infarctionwere enrolled after the first onset. Coagulation function, liver, kidney function, blood cholesterol, andelectrolytical were tested within 24 hours of onset. Chinese Stroke Scale (CSS) and National Institutes of HealthStroke Scale (NHISS) were scored on admission, and NHISS on the tenth day after admission were scored.Evaluated the severity on admission and early functional recovery on the tenth day after admission with CSS andthe difference of NHISS. According to CSS, patients were divided into three groups: mild, moderate and severegroup. According to scale margin of NHISS between on admission and the tenth day after admission , patients weredivided into three groups: improved group, unchanged group and worsened group. Difference of biomarkers amongdifferent groups were statistical analyzed. Results Serum calcium (SC), TBIL, FIB, HCY, SUA levels amongmild, moderate and severe group were significantly different (P < 0.05). The more severe, the higher TBIL,FIB, HCY, SUA levels and the lower SC level. The SC, FIB, SUA levels were significantly different amongimproved group, unchanged group and worsened group (P < 0.05). SC level were the lowest in worsened group,while FIB, SUA levels were the highest. Conclusions In acute cerebral infarction patients, SC, FIB, SUAlevels are closely related to the severity and early clinical prognosis.

Objective To study the cultivation of retinal progenitor cells of different ages. Methods Retinal progenitor cells of E14 and E18 SD rats were isolated,cultivated in suspension in modified DMEM/F12 serum-free medium and then differentiation was induced in vitro.Cells were observed under phase-contrast microscopy daily and identified by immunocytochemistry,scanning electron microscopy and transmission electron microscopy. Results Cultivated in DMEM/F12 serum-free medium,retinal progenitor cells formed cell spheres.After being plated,isolated cells migrated outwards and differentiated.Scanning electron microscopy demonstrated the morphology of the cell spheres and differentiated cells.Transmission electron microscopy demonstrated that there were stem cell-like cells in cell spheres and neuron-and glia-like cells after the plating.Immunocytochemistry demonstrated that most cells in spheres expressed neural stem cell marker nestin and cell division marker BrdU.After the plating,retinal progenitor cells could be induced to differentiate into various retinal cells,including Thy1.1-positive retinal ganglion cells.The percentage of retinal ganglion cells was 16.91%?4.05% at E14 and 4.65%?1.88% at E18.The differences were statistically significant(t=15.04,P

To search the effective health education to the hypertension patients and to decrease complication such as cerebrovascular ailment,106 hypertension patients were divided into two groups randomly:the interference (52) and the control (54).The interference group is treated with health education and health promotion constantly (Base line:1996,end line 1999).The results of 2 times investigations at the base line and end line respectively to the groups show that:the KAB in both groups were improved,and the interference improved notably,especially in behavior.The percentage of the patients who care about danger factors and hygeine knowledge rise from 68% (base line) to 78.6% and the percentage of the patients who did exercise constantly rise from 58.9% to 71.4%.It is also showed that,in periodic measurement of blood pressure and regular administration of medicine,the interference group behaved better than the contrast (P<0.01).We can conclude that giving face to face health education and health promotion to hypertension patients is a effective way to prevent and control hypertension complications

ObjectiveTo investigate the effect of penehyclidine hydrochloride on acute lung injury induced by cardiopulmonary bypass (CPB) in rats.MethodsForty adult male SD rats aged 4-6 months weighing 330-420 g were randomly divided into4 groups ( n =10 each): sham operation group (group S),acute lung injury group (group ALI) and low and high dose of penehyclidine hydrochloride groups (groups PL and PH ).Penehyclidine hydrochloride 0.6 and 2.0 mg/kg were added to the priming solution in groups PL and PH,while the equal volume of normal saline was added in group ALI instead.The rats of groups ALI,PL and PH were underwent 1 h of CPB.Arterial blood samples were collected before CPB and at 2 h after CPB for blood gas analysis.The superior vera cava blood samples and lung tissues were collected at 2 h after CPB for determination of concentrations of TNF-α and IL-6,lung tissue contents of water and malondialdehyde (MDA) and activity of glutathione peroxidase (GSH-px).The pathological change of lung tissue was also examined.ResultsCompared with group S,PaO2 was significantly decreased at 2 h after CPB,plasma concentrations of TNF-α and IL-6 and contents of water and MDA in lung tissues were increased,while activity of GSH-px in lung tissues was decreased in groups ALI,PL and PH ( R ＜ 0.05).Compared with group ALI,PaO2 was significantly increased at 2 h after CPB,plasma concentrations of TNF-α and IL-6 and contents of water and MDA in lung tissues were decreased,activity of GSH-px in lung tissues was increased (P ＜ 0.05),and the pathological change was reduced in groups PL and PH.Compared with group PL,PaO2 was significantly increased at 2 h after CPB,plasma concentrations of TNF-α and IL-6 and contents of water and MDA in lung tissues were decreased,activity of GSH-px in lung tissues was increased ( P ＜0.05),and the pathological change was reduced more obviously in group PH.ConclusionPenehyclidine hydrochloride 0.6 or 2.0 mg/kg can reduce the CPB-induced lung injury in a dose-dependent manner by antioxidant and anti-inflammatory mechanism in rats.

Objective To investigate the effects of penehyclidine hydrochloride on blood-brain barrier in a rat model of cardiopulmonary bypass ( CPB) . Methods Sixty adult male SD rats, aged 4-6 months, weighing 320- 370 g, were randomly divided into 5 groups ( n = 12 each) : sham operation group (group S), CPB group, and low-, median- and high-dose penehyclidine hydrochloride groups (groups LP, MP and HP). The animals were anesthetized with intraperitoneal 10% chloral hydrate 350 mg/kg, intubated and mechanically ventilated. The femoral and jugular arteries and jugular vein were cannulated. CPB was performed for 60 min. Penehyclidine hydrochloride 0.2, 0.6 and 2.0 mg/kg were added to the priming solution in groups LP, MP and HP respectively, while the equal volume of normal saline was added in group CPB. Evans blue was injected via femoral vein at 1 h before the animals were sacrificed. Six rats in each group were sacrificed, their brains immediately removed and the hippocampi isolated for determination of Evans blue content. The other rats were sacrificed and the hippocampi isolated to determine the water content and observe the ultrastructure of blood-brain barrier. Results Compared with group S, the Evans blue content and water content were significantly increased in the other groups ( P ＜ 0.05) . Compared with groups CPB and LP, the Evans blue content and water content were significantly decreased in groups MP and HP ( P ＜ 0.05) . The Evans blue content was significantly lower in group HP than in group MP ( P ＜ 0.05). The CPB-induced changes were significantly attenuated in groups MP and HP compared with groups CPB and LP. Conclusion Penehyclidine hydrochloride can protect blood-brain barrier against the CPB-induced injury and the effect is related to the dose.

Objective To investigate the effect of penehyclidine hydrochloride on brain injury induced by cardiopulmonary bypass (CPB) in rats. Methods Thirty adult male SD rats were randomly divided into 5 groups ( n = 6 each): sham operation group (group S), CPB group, and low, median and high dose penehyclidine hydrochloride groups (group PL, PM , PH). Penehyclidine hydrochloride 0.2, 0.6 and 2.0 mg/kg were added to the priming solution in group PL, PM and PH respectively, while the equal volume of normal saline was added instead in group S. Blood samples were obtained at 2 h after termination of CPB to determine the plasma concentrations of neuron specific enolase (NSE) and S-100β protein. The brain tissues were taken to observe the ultrastructure of hippocampal neurons with electron microscope. Results The concentrations of NSE and S-100β protein were significantly higher in the other groups than in group S, while lower in group PM and PH than in group CPB and PL( P＜ 0.05). The S-100β protein concentration was significantly lower in group PH than in group PM( P ＜ 0.05). The damage to hippocampal neurons was significantly attenuated in group PM and Ps. Conclusion Penehyclidine hydrochloride 0.6 or 2.0 mg/kg can reduce the CPB-induced brain injury in a dose-dependent manner in rats.

Objective To observe the effects of low dose irradiation (LDI) on autoiogous CIK cell proliferation, phenotype and killing activity in tumor patients, and to provide the evidence for clinical application of adoptive immunotherapy with CIK cells. Methods Peripheral blood mononuclear cells (PBMC) were separated from 10 patients with malignant tumor, and CIK cells were cultured with different cytokines. (1) After 10 d culture, C1K cells were irradiated with different doses as 30, 50, 80, 100 and 200 Gy of X-rays was also detected. The CIK cell proliferation and killing activity were measured with 3H-TdR incorporation assay and 3H-TdR release assay, respectively and the percentage variation of CD3 +CD56 + were measured with flow cytometry after 24 h. ( 1 ) Autologous CIK cells were irradiated with 80 mGy X-rays. At different culture time ( 12, 24, 48, 72 h) after irradiation, the killing activity was measured with 3H-TdR release assay. (3) The effect of 3d low dose irradiation of 80 mGy X-rays on thekilling activity of CIK cells was also detected. Results After the CIK cells were irradiated with different doses as 50, 80, 100, 200 mGy of X-rays, the CPM values were 20 048.6 ± 2332. 2 ( t = 2.2, P ＜0.05), 21 832.2 ±2975.9 (t=3.5, P＜0.01), 21 000.3 ±2451.1 (t=3.3, P＜0.01), 19908.1 ±2051.0 ( t = 2.2, P ＜ 0.05 ), respectively and the proliferation of CIK cells were significantly higher than that of control group. The CD3 + CD56 + cell percentage of 50, 80, 100 mGy groups were ( 30.3 ±3.8)% (t=2.3, P＜0.05), (32.3±3.4)% (t=4.2, P＜0.01), (29.742.9)% (t = 2.4, P＜0.05 ), respectively. The killing activity of CIK cells of 80, 100 mGy groups were 55.2 ± 5.0 ( t = 3.3, P ＜ 0.01 ), 52.8 ± 4.1 ( t = 2.3, P ＜ 0.05 ), respectively. The killing activity of CIK cells up-regulated significantly at 24 h, dropped to normal levels at 48 h and 72 h. After 80 mGy X-ray irradiation for 3 consecutive days, the killing activity of CIK cells at different time points were 55.2 ± 5.3 (t = 2.6, P ＜0.05),61.9 ± 4.4 (t = 4.7, P ＜0.01), 67.2 ±5.7 (t = 5.7, P ＜0.01) for 24, 48, 72 h,respectively. Conclusions LDI might have the hormesis effect on CIK cells.

Objective To examine the reliability and validity of the Chinese version of Moral Distress Scale for nurses.Methods Cross-cultural adaptation process was applied to translate and develop the Chinese version of Moral Distress Scale for nurses.238 nurses were selected to answer the scale to evaluate the reliability and validity of the scale.Results Content validity index of the Chinese version of Moral Distress Scale for nurses was 0.909.Construct validity of validity analysis:exploratory factor analysis of the items identified that the scale had 4 factors,explaining 54.583％ of the total variance.Reliability analysis:The Cronbach' α coefficients for the MDS-R dimensions were 0.846、0.724、0.738 and 0.566,and 0.879 for the total scale.The test-retest reliability coefficient for MDS-R was 0.802.Conclusions The Chinese version of Moral Distress Scale-Revised for nurses has good reliability and validity in the measurement of Chinese nurses.

BACKGROUND:Indian hedgehog homolog (Ihh) protein and its signal protein Gli1, as wel as Runt related transcription factor 2 (Runx2) are closely related to the pathogenesis of osteoarthritis. The increased expression of these factors is one of the major causes of degenerative joint changes.
OBJECTIVE:To explore the roles of Ihh, Gli1 and Runx2 in the development of osteoarthritis.
METHODS:Thirty Sprague-Dawley rats were randomly divided into two groups:control group (n=10) and model group (n=20). In the model group, rats received unilateral anterior cruciate ligament transection, to establish osteoarthritis model. Ten experimental rats were kil ed at 4 and 12 weeks after surgery respectively. Another 10 rats received unilateral knee arthrotomy as pseudo-operation controls and 10 pseudo-operation rats were kil ed at 12 weeks after surgery.
RESULTS AND CONCLUSION:In the model group, cartilage degeneration was obvious at 4 weeks and became severer at 12 weeks after anterior cruciate ligament transection operation. Expression levels of Ihh, Gli1 and Runx2 in the cartilage were increased significantly at 4 weeks after operation, but decreased at 12 weeks after operation. Experimental findings indicate that Ihh, Gli1 and Runx2 play important roles in the development of osteoarthritis, and their expression levels are significantly increased at early stage of osteoarthritis, which can be regarded as the indicators in the prophylaxis and treatment research of osteoarthritis.

To search the effective health education to the hypertension patients and to decrease complication such as cerebrovascular ailment,106 hypertension patients were divided into two groups randomly:the interference (52) and the control (54).The interference group is treated with health education and health promotion constantly (Base line:1996,end line 1999).The results of 2 times investigations at the base line and end line respectively to the groups show that:the KAB in both groups were improved,and the interference improved notably,especially in behavior.The percentage of the patients who care about danger factors and hygeine knowledge rise from 68% (base line) to 78.6% and the percentage of the patients who did exercise constantly rise from 58.9% to 71.4%.It is also showed that,in periodic measurement of blood pressure and regular administration of medicine,the interference group behaved better than the contrast (P