Your browser doesn't support javascript.
loading
Show: 20 | 50 | 100
Results 1 - 20 de 53
Filter
1.
Chinese Traditional and Herbal Drugs ; (24): 406-411, 2020.
Article in Chinese | WPRIM | ID: wpr-846664

ABSTRACT

Objective: To investigate the effectof ethanol extract of Songjie Fang (SJF) effect on the expression of tyrosine kinase and phosphatase-related molecules in the T cell antigen receptor (TCR) signaling pathway in rheumatoid arthritis rats and its mechanism. Methods: The rheumatoid arthritis (RA) rat model was administered SJF for 2 weeks. Then the content of tyrosine kinase (Lck, Fyn, ZAP70) and tyrosine phosphatase (CD45) in joint fluids was detected by enzyme-linked immunosorbent assay (ELISA). To observe the histopathological changes of the ankle joints, and the expressions of Lck, Fyn, ZAP70 and CD45 in the synovial tissue were detected by immunohistochemistry. Results: The ethanol extract of SJF significantly reduced the content of Lck, Fyn, ZAP70 and CD45 in joint fluid, inhibited the infiltration of inflammatory cells and hyperplasia in the synovial tissue. Meanwhile, down-regulated the expression of Lck, Fyn, ZAP70 and CD45 in synovial tissue significantly. Conclusion: The mechanism of anti-inflammation affected by ethanol extract of SFJ may be related to inhibiting the tyrosine kinase and phosphatase-related molecules in the TCR signaling pathway.

2.
China Journal of Chinese Materia Medica ; (24): 478-483, 2018.
Article in Chinese | WPRIM | ID: wpr-771712

ABSTRACT

In this study, an endophytic bacteria strain BZJN1 was isolated from Atractylodes macrocephala, and identified as Bacillus subtilis by physiological and biochemical tests and molecular identification. Strain BZJN1 could inhibit the growth of mycelia of Ceratobasidium sp. significantly, and the inhibition rate was more than 70%. The mycelium growth deformity with bulge as spherical and partially exhaustible in apex or central with microscopic observation. The inhibitory rates under 3% and 6% concentrations of the cell free fermentation were 22.7% and 38.7% expectively. The field test proved that the control efficacy of treatment of 1×10⁸ cfu·mL⁻¹ is 75.27% and 72.37% after 10 and 20 days. All the treatments of strain BZJN1 was able to promote the growth of A. macrocephala, the treatment of 1×10⁸ cfu·mL⁻¹ could able to increase the yield to 14.1%.


Subject(s)
Atractylodes , Microbiology , Bacillus subtilis , Physiology , Basidiomycota , Virulence , Biological Control Agents , Endophytes , Classification , Plant Diseases , Microbiology
3.
Acta Pharmaceutica Sinica ; (12): 360-366, 2015.
Article in Chinese | WPRIM | ID: wpr-251770

ABSTRACT

The first genetic linkage map of Salvia miltiorrhiza was constructed in 94 F1 individuals from an intraspecific cross by using simple sequence repeat (SSR), sequence-related amplified polymorphism (SRAP) and inter-simple sequence repeat (ISSR) markers. A total of 93 marker loci in the linkage map, consisting of 53 SSR, 38 SRAP and 2 ISSR locus were made up of eight linkage groups, covered a total length of 400.1 cm with an average distance of 4.3 cm per marker. The length of linkage groups varied from 3.3 -132 cm and each of them included 2-23 markers, separately. The result will provide important basis for QTL mapping, map-based cloning and association studies for commercially important traits in S. miltiorrhiza.


Subject(s)
Chromosome Mapping , Genetic Linkage , Genetic Markers , Microsatellite Repeats , Polymorphism, Genetic , Salvia miltiorrhiza , Genetics
4.
National Journal of Andrology ; (12): 44-47, 2012.
Article in Chinese | WPRIM | ID: wpr-239010

ABSTRACT

<p><b>OBJECTIVE</b>To investigate the prevalence of erectile dysfunction (ED) in men with high-normal blood pressure (HNBP).</p><p><b>METHODS</b>This study included 120 men with HNBP and another 120 with normal blood pressure (NBP) as controls. We analyzed the scores of the two groups on the International Index of Erectile Dysfunction 5 (IIEF-5).</p><p><b>RESULTS</b>The ED prevalence in the men with HNBP was 25.8%. After controlling for age, nationality, occupation, education, income, smoking, alcohol consumption, exercise, obesity, fatty liver, blood lipids, blood glucose, and blood uric acid, the incidence of ED was 25.8% in the HNBP group, significantly higher than 14.2% in the NBP group (P<0.05).</p><p><b>CONCLUSION</b>The prevalence of ED is higher in men with HNBP than in those with NBP.</p>


Subject(s)
Adult , Humans , Male , Middle Aged , Blood Pressure , Erectile Dysfunction , Epidemiology , Incidence , Prevalence , Risk Factors , Surveys and Questionnaires
5.
Chinese Journal of Tissue Engineering Research ; (53): 5119-5122, 2010.
Article in Chinese | WPRIM | ID: wpr-402369

ABSTRACT

BACKGROUND: A series of basic researches have confirmed that,the olfactory ensheathing cell transplantation can promote spinal cord regeneration and recover some neurological functions of spinal cord in animal models of spinal cord injury.Some clinical trials also prove that transplantation of olfactory ensheathing cells can indeed improve neurological function in patients with spinal cord injury,and then improve their quality of life.OBJECTIVE: To verify the effectiveness and safety of olfactory ensheathing cell transplantation in repair of neurological function of spinal cord injury patients.METHODS: The aborted embryonic olfactory bulb was collected and digested into single olfactory ensheathing cells.After they were cultured and purified 2 weeks,olfactory ensheathing cell suspension was prepared.A total of 213 cases of spinal cord injury were selected.Under general anesthesia,the prepared olfactory ensheathing cell suspension was injected through several target sites surrounding the injured spinal cord.ASIA scale was used to assay the patients before transplantation,3 weeks to 2 months after transplantation,so as to evaluate spinal cord recovery.RESULTS AND CONCLUSION: The spinal cord nerve function in all patients altered to different degrees at 3 weeks postoperation.Spinal cord function score,the sensory and motor functions were significantly increased compared with preoperation(P < 0.001),and showed a trend of continuous improvement with time; the patients were visited as follow-up for no more than 5 years,and no impairment of the restored nervous function or transplant adverse reactions were observed.It is confirmed that olfactory ensheathing cell transplantation can promote the recovery of nerve function in patients with spinal cord injury,it can restore and improve some spinal cord functions,and the treatment is safe.

6.
Chinese Journal of Burns ; (6): 444-447, 2010.
Article in Chinese | WPRIM | ID: wpr-305575

ABSTRACT

<p><b>OBJECTIVE</b>To study the subcellular localization of human endothelial-overexpressed lipopolysaccharide-associated factor 1 (EOLA1) protein in endothelial cells.</p><p><b>METHODS</b>Human umbilical vein endothelial cell strain ECV304 were cultured in vitro. The fusion protein of enhanced green fluorescent protein (EGFP)-EOLA1 expressing plasmid was constructed. Empty plasmid with EGFP at N side (pEGFP-N2) and fusion protein expressing plasmid EGFP-EOLA1 was respectively transfected into ECV304 cells with liposome. After being cultured for 48 hours, the expression levels of EGFP and fusion protein EGFP-EOLA1 in cells were detected with Western blot. The subcellular localization of EOLA1 protein was detected by laser scanning confocal microscope and immunoelectron microscopy.</p><p><b>RESULTS</b>The EGFP-EOLA1 coexpression plasmid was verified to be successfully constructed by enzyme cutting and gene sequencing. The fusion protein of EGFP-EOLA1 was observed to express in transfected cells through Western blot. Green fluorescence scattered all over the ECV304 cells transfected with empty plasmid and cells transfected with fusion protein expressing plasmid, and it gathered obviously in the nuclei in the latter cells. Immune deposits were observed in the matrix of cells transfected with fusion protein expressing plasmid but not in the cells transfected with empty plasmid.</p><p><b>CONCLUSIONS</b>EOLA1 protein is localized in the nucleus and the matrix of ECV304 cell, and it plays its role as a signal transduction factor.</p>


Subject(s)
Humans , Cell Line , Cell Nucleus , Metabolism , Human Umbilical Vein Endothelial Cells , Metabolism , Lipopolysaccharides , Metabolism , Membrane Proteins , Metabolism , Signal Transduction
7.
Chinese Journal of Cardiology ; (12): 845-848, 2009.
Article in Chinese | WPRIM | ID: wpr-323965

ABSTRACT

<p><b>OBJECTIVE</b>The aim of this study was to evaluate the recognition and defibrillation efficiency of a newly developed automated external defibrillator (AED).</p><p><b>METHOD</b>Ventricular tachycardia (VT)/ventricular fibrillation (VF) was induced by alternating current (50 Hz) through an electrode placed on apex of right ventricle in 23 anesthetized swine and recorded, recognized and defibrillated by a newly developed AED.</p><p><b>RESULTS</b>A total of 96 VF was induced and 145 defibrillations were recorded. We analyzed available 167 electrocardiosignal with a total length of 103,740 seconds. The accuracy, sensitivity and the specificity of the AED on VT/VF recognition are 99.5%, 98.2% and 99.6%, respectively. The success rate of defibrillation was 33.4% which increased in proportion to defibrillation energy. The defibrillation threshold of energy is 29.10-116.91 (78.75 +/- 35.64) J, the defibrillation threshold of electric quantity is (0.11 +/- 0.04) C and the defibrillation threshold of voltage is (1216.67 +/- 260.87) V.</p><p><b>CONCLUSIONS</b>This newly developed AED has high sensitivity and the specificity on recognizing VT/VF. The lower success rate of defibrillation of this AED is associated with the low defibrillation energy during defibrillation which needs to be improved on further development.</p>


Subject(s)
Animals , Defibrillators , Disease Models, Animal , Electric Countershock , Equipment Design , Sensitivity and Specificity , Swine , Ventricular Fibrillation , Therapeutics
8.
Chinese Journal of Burns ; (6): 46-48, 2009.
Article in Chinese | WPRIM | ID: wpr-257446

ABSTRACT

<p><b>OBJECTIVE</b>To observe changes of learning and memory ability (LMA) in burn rats with depression, and study the relationship between LMA and expression of hippocampal NMDA.</p><p><b>METHODS</b>According to simple random method, 46 Wistar rats were divided into burn group (B, with 30% TBSA deep partial-thickness burn, n = 10), depression group (D, with moderate stress stimulation in chronic and unpredictable, n = 12), B + D group (with the same stress stimulation inflicted to B group after burn, n = 12), healthy control group ( HC, without treatment, n = 12). Changes in escape latency was examined in water maze test. Expression of hippocampal NMDA in CA1, CA2 regions and dentate gyrus were observed with immunohistochemistry.</p><p><b>RESULTS</b>Compared with that of HC group (22 +/- 20 s), water maze escape latency in B, D, B + D groups on 2 day after training prolonged (38 +/- 31, 41 +/- 36, 42 +/- 33 s, respectively, P < 0.05 or P < 0.01). Water maze escape latency in B + D group on 4th day after training was longer than that of other groups (P < 0.01). There was no obvious difference in positive expression of NMDA in CA1, CA2 regions among groups (P > 0.05). The positive count of NMDA in dentate gyrus in D group (198 +/- 14) and B + D group (191 +/- 6) were lower than that of HC group (224 +/- 23, P < 0.05 or P < 0.01), but there was no obvious difference between HC group and B group (219 +/- 25, P > 0.05).</p><p><b>CONCLUSIONS</b>Burn complicated with depression can reduce LMA, which may be due to a decrease in NMDA in dentate gyrus.</p>


Subject(s)
Animals , Rats , Burns , Metabolism , Psychology , Depression , Hippocampus , Metabolism , Maze Learning , Physiology , Memory , N-Methylaspartate , Metabolism , Rats, Wistar
9.
Chinese Journal of Burns ; (6): 203-206, 2008.
Article in Chinese | WPRIM | ID: wpr-347614

ABSTRACT

<p><b>OBJECTIVE</b>To investigate the effect of recombinant adenovirus-mediated heat shock protein 70 (HSP70) on energy metabolism of mitochondria in intestinal epithelial cells (IEC-6) after hypoxia/reoxygenation injury .</p><p><b>METHODS</b>IEC-6 cells were transfected with HSP70 recombinant adenovirus vectors (Ad-HSP70) and empty adenovirus vectors. The expression of HSP70 protein was detected by Western blotting. Cultured IEC-6 cells were divided into: control group (without treatment), hypoxia/reoxygenation group (with challenge of hypoxia/reoxygenation) and Ad-HSP70 transfection group (with challenge of hypoxia/reoxygenation after Ad-HSP70 transfection). The activity of mitochondrial dehydrogenase was assessed by MTf method. The contents of cellular ATP, ADP , AMP and energy charge (EC)were determined by high-performance liquid chromatography (HPLC).</p><p><b>RESULTS</b>The expression of HSP70 protein in IEC-6 cells was significantly upregulated after Ad-HSP70 transfection compared with empty adenovirus vector transfection. Compared with that in control group, the activity of mitochondrial dehydrogenase was significantly lowered in IEC-6 cells in hypoxia/reoxygenation group (P < 0.01). The activity of mitochondrial dehydrogenase in Ad-HSP70 transfection group was significantly greater than that in hypoxia/reoxygenation group (P < 0.01). Compared with those in control group,the content of cellular ATP was significantly decreased in hypoxia/reoxygenation group, the contents of cellular ADP and AMP were significantly increased. The above cell energy indices in Ad-HSP70 transfection group was similar to those in control group (P > 0.05), which were ameliorated compared with those in hypoxia/reoxygenation group (P < 0.050 or P < 0.01). The cellular EC in hypoxia/reoxygenation group (0.615 +/- 0.060) was significantly lower than that in control group (0.748 +/- 0.012, P < 0.01) and Ad-HSP70 transfection group (0.736 +/- 0.028, P < 0.01).</p><p><b>CONCLUSION</b>Ad-HSP70 transfection in IEC-6 cells can upregulate the expression of HSP70, the content of cellular ATP and EC after hypoxia/reoxygenation, and protect mitochondrial function. Mitochondria may be one of main target organelles for HSP70 in protection of IEC against hypoxia/reoxygenation injury.</p>


Subject(s)
Animals , Rats , Adenoviridae , Genetics , Cell Hypoxia , Cell Line , Disease Models, Animal , Epithelial Cells , Metabolism , Physiology , HSP70 Heat-Shock Proteins , Metabolism , Intestines , Cell Biology , Mitochondria , Metabolism , Transfection
10.
Chinese Journal of Burns ; (6): 245-247, 2008.
Article in Chinese | WPRIM | ID: wpr-347610

ABSTRACT

Improvement in early burn treatment has been realized, the mortality of burn shock has been decreased. However, the treatment of burn shock is still inadequate and occult hypoperfusion is usually occurred. This may be difficult to identify the appropriate resuscitation endpoint. The goal in management of burn shock is restoration of adequate tissue perfusion and normalization of cellular metabolism. Traditional endpoints, such as blood pressure, urine output are useful in managing mild and moderate burn shock. Additional endpoints that evaluate the adequacy of global and regional perfusion and oxygenation at the tissue level should be used in treatment of severe burn injury. Now the most useful parameters may be blood pressure, urine output, serum lactate, BE and CVP, SCVO2.


Subject(s)
Humans , Burns , Monitoring, Physiologic , Shock
11.
Chinese Journal of Burns ; (6): 321-322, 2008.
Article in Chinese | WPRIM | ID: wpr-257496

ABSTRACT

This paper reflects briefly the main advancements of clinical and scientific research in the field of burn surgery over the past 50 years in China. It includes emergency care of massive burns, resuscitation, anti-infection, prevention and treatment of internal organ injury, metabolic and nutritional support, repair of wound and rehabilitation, and special types of burns. The article also covers the researches in pathology, microbiology, immunology, cell biology, molecular biology, and tissue engineering pertaining to burn injury.


Subject(s)
Humans , Burns , General Surgery , China
12.
Chinese Journal of Burns ; (6): 372-374, 2008.
Article in Chinese | WPRIM | ID: wpr-257478

ABSTRACT

Inhalation injury is a major contributor to the morbidity and mortality associated with serious burns. The improvement in the understanding of smoke inhalation injury had been obtained in the last half century in China. The models of steam and smoke inhalation injury had been reproduced and a series of experimental studies had been performed. It was found that chemical bronchiotracheitis, pulmonary edema and alveolar collapse (atelectasis) were the primary pathologic findings after inhalation injury. The second inflammatory response would play an important role in the development of acute respiratory failure. The roles of some cytokines, inflammatory cells and pulmonary surfactants in the development of inhalation injury had been elucidated. The etiologic factors and the pathophysiologic changes in inhalation injury had been illustrated clearly. These basic science investigations had led to the advances in protective strategies for the complications of inhalation injury. Now the morbidity and mortality of inhalation injury have decreased markedly in China.


Subject(s)
Humans , Burns, Inhalation , Therapeutics , China , High-Frequency Ventilation , Pulmonary Surfactant-Associated Proteins , Smoke Inhalation Injury , Therapeutics
13.
Chinese Journal of Burns ; (6): 130-132, 2007.
Article in Chinese | WPRIM | ID: wpr-331509

ABSTRACT

<p><b>OBJECTIVE</b>To investigate the influence of hypoxia on the proliferation and activity of human umbilical vein vascular endothelial cells (EA. hy926).</p><p><b>METHODS</b>EA. hy926 cells were cultured in vitro and divided into normal control and hypoxia groups. The cells in hypoxia group were placed into hypoxic jar and treated with mixed gases(94% N2 +5% CO2 + 1% O2) for 1,3,6 and 12 hours. Then the total proteins were extracted for the determination of the expression of vascular endothelial growth factor (VEGF) and proliferation cell nuclear antigen (PCNA). The cell cycle and growth curve were determined with flow cytometry and MTT method, respectively.</p><p><b>RESULTS</b>The expression of PCNA protein began to increase at 3 post-hypoxia hour (PHH), peaked at 6 PHH, but without obvious difference compared with that at 12 PHH. The expression of VEGF began to increase at 1 PHH, peaked at 6 PHH, and decreased at 12 PHH, though it was still markedly higher than that of normoxia at 12 PHH. MTT results showed that the cell activity began to increase at 1 PHH, and it was still to increased at 3 PHH, then decreased at 6 PHH, and it was lower than that in control group at 12 PHH. The number of cells in G0/G1 phase was decreased, but the cells in S and G2/M phase was increased at 1, 3, 6 PHH when compared with those in normal controls. The proliferation index (PI) of cells in hypoxia group at 1PHH (43 +/- 9)%, 3PHH (39 +/- 11)%, 6 PHH (40 +/- 11))% were higher than that before hypoxia (32 +/- 9)% and 3 (39 +/- 11) % and 6 hours (40 +/- 11)% after hypoxia (P < 0.05). The PI was obviously lower at 12 PHH (27 +/- 4))% compared with that of cells under normoxic condition (P < 0.05).</p><p><b>CONCLUSION</b>Short-term hypoxia is beneficial to promote the proliferation of the cells, but this effect will be inhibited with the prolongation of hypoxia.</p>


Subject(s)
Humans , Cell Hypoxia , Cell Proliferation , Cells, Cultured , Endothelial Cells , Metabolism , Hypoxia , Metabolism , Pathology , Proliferating Cell Nuclear Antigen , Metabolism , Umbilical Veins , Cell Biology , Vascular Endothelial Growth Factor A , Metabolism
14.
Chinese Journal of Burns ; (6): 198-200, 2007.
Article in Chinese | WPRIM | ID: wpr-331497

ABSTRACT

<p><b>OBJECTIVE</b>To investigate the expression of calcium/calmodulin-dependent serine protein kinase (CASK) induced by short-term hypoxia, and to explore the role of JNK pathway in this signal event.</p><p><b>METHODS</b>EA. hy926 cells were cultured in normoxic condition for 0, 12, 24, 48, 72 h after being exposed to hypoxic condition for 3 h, then the cellular lysates were extracted. CASK promoter luciferase reporter recombinant was constructed and transfected into EA. hy926 cells for 48h. Cellular lysates were extracted 1, 3, 6, 12 h after hypoxia treatment and were used to detect firefly luciferase activity and rinella luciferase activity with luminometer. EA. hy926 cells were cultured under hypoxic condition for 1, 3, 6, 12 h or under normoxic condition, then the cell lysates were extracted and used to detect phospho-JNK with Western blot. EA. hy926 cells were pretreated with different concentrations of JNK specific inhibitor SP 600125 (0, 10, 100 nmol/L and 1,10 micromol/L) 1h before hypoxic treatment of various duration, and the cell lysates were extracted to detect CASK expression with Western blot.</p><p><b>RESULTS</b>CASK expression was obviously elevated by hypoxia, and the high expression sustained for 72 h when the hypoxic cells were cultured in normal conditions, and it was significantly higher than that of normal controls. Dual luciferase reporter assay showed that CASK promoter activity was significantly increased after hypoxia (0.010 +/- 0.003, P < 0.01), and it reached the peak 12 hrs after hypoxia (0.192 +/- 0.023, P < 0.01). The phosphorylation of JNK was enhanced with the prolongation of hypoxic time. CASK protein expression was suppressed by JNK specific inhibitor SP600125 in a dose dependent manner, and it decreased to the lowest level with 10 micromol/L SP600125 pretreatment.</p><p><b>CONCLUSION</b>JNK signal pathway is involved in short-term hypoxia related CASK upregulation.</p>


Subject(s)
Humans , Calcium , Metabolism , Cell Hypoxia , Cell Line , Endothelial Cells , Metabolism , Physiology , Guanylate Kinases , Metabolism , JNK Mitogen-Activated Protein Kinases , Metabolism , Signal Transduction
15.
Journal of Southern Medical University ; (12): 1496-1497, 2007.
Article in Chinese | WPRIM | ID: wpr-283100

ABSTRACT

<p><b>OBJECTIVE</b>To investigate the effect of nuclear factor-kappaB (NF-kappaB) activation on the expression of proinflammatory cytokines in the lung tissues of rats with early-stage burn injury.</p><p><b>METHODS</b>Wistar rats were randomly divided into 3 groups, namely the normal control, burn, burn and PDTC treatment groups, and in the latter two groups, the rats were subjected to 35% TBSA full-thickness burns. Activation of pulmonary NF-kappaB at 1, 3, 6, 12, and 24 postburn hour (PBH) was tested by electrophoretic mobility shift assay , and the expressions of pulmonary tumor necrosis factor alpha (TNF alpha) and interleukin-8 (IL-8) mRNAs at 3, 6, 12, and 24 h were detected by RT-PCR.</p><p><b>RESULTS</b>Compared to that of the control group, activity of pulmonary NF-kappaB in burned rats was markedly increased within 1 PBH and kept increasing till 24 h. Expressions of pulmonary TNF alpha and IL-8 mRNAs increased gradually, reaching the peak level at 6 PBH, and PDTC could effectively inhibit pulmonary NF-kappaB activation and expression of the pulmonary cytokines induced by the burn injury.</p><p><b>CONCLUSION</b>Severe burn injury may activate pulmonary NF-kappaB, which ultimately leads to secretion of cytokines in the lung tissues.</p>


Subject(s)
Animals , Humans , Rats , Burns , Allergy and Immunology , Pathology , Disease Models, Animal , Gene Expression , Inflammation Mediators , Allergy and Immunology , Interleukin-8 , Genetics , Allergy and Immunology , Lung , Allergy and Immunology , Pathology , NF-kappa B , Genetics , Allergy and Immunology , Random Allocation , Rats, Wistar , Tumor Necrosis Factor-alpha , Genetics , Allergy and Immunology
16.
Chinese Journal of Burns ; (6): 321-323, 2007.
Article in Chinese | WPRIM | ID: wpr-347683

ABSTRACT

Although the outcome of burn patients has been improved, many aspects of management of severe burn patients remain controversial. Here we focus on the management of hypermetabolism and the resuscitation of respiratory function. Currently, the fluid resuscitation method shifts from insufficient fluid regimen to excessive fluid loading. The benefit of colloid infusion and restrictive blood transfusion need to be authenticated by further clinical trial, and the best form of fluid resuscitation has yet to be identified. The respiratory management of burn patients had been improved. Early tracheostomy, ventilation with low tidal volume and bronchoalveolar toilet are recommended. Many potential beneficial treatment strategies have been identified by recent research in the metabolic response to burn injury. Although immunomodulation therapy is promising, most of them are not clinical viable,and further clinical research is warranted.


Subject(s)
Humans , Burns , Therapeutics , Fluid Therapy , Respiration , Resuscitation , Methods
17.
Chinese Journal of Burns ; (6): 346-348, 2007.
Article in Chinese | WPRIM | ID: wpr-347676

ABSTRACT

<p><b>OBJECTIVE</b>To investigate the influence of adrenoreceptor beta-agonists terbutaline on gene expression of vascular endothelial growth factor (VEGF) in rat astrocyte after induction by norepinephrine (NE) and burn serum.</p><p><b>METHODS</b>The sera of normal and burn rats were separated for use. Primary astrocytes of brain tissue were isolated from neonatal 1-3 d rats and cultured and divided into following groups: (1) CONTROL GROUP: with 10% normal rat serum in the culture medium. (2) NEl, NE2, NE3 groups: with 10% burn rat serum and 10, 20, 50 micromol/L NE in the culture medium, respectively. (3) TBN1, TBN2, TBN3 groups: with 10% burn rat serum and 10, 20, 50 micromol/L NE and 10, 20, 50 micromol/L terbutaline in the culture medium, respectively. The mRNA and protein expression of VEGF in each group were determined with real-time PCR and Western blotting, respectively.</p><p><b>RESULTS</b>There was a low protein expression of VEGF in control group, but it increased slightly in NE1 group, and then increase gradually in NE2, NE3 groups, and it was obviously increased in TBN1, TBN2, TBN3 groups. The mRNA expression of VEGF in NE1, NE2, NE3 groups were [(13.26 +/- 0.03), (10.37 +/- 0.04), (14.87 +/- 0.55) copies/g], respectively, which were significantly higher than that of control [(5.72 +/- 0.12) copies/g, P < 0.01]. In addition, the expression of VEGF mRNA in TBN1, TBN2, TBN3 groups was higher than that in control group, and expression of VEGF mRNA [(13.39 +/- 0.19), (15.77 +/- 0.11), (16.00 +/- 0.07) copies/g] was gradually increased, which showed obvious difference between TBN2 and NE2, and also between TBN3 and NE3 groups (P < 0.01).</p><p><b>CONCLUSION</b>Terbutaline can increase gene expression of VEGF in rat astrocytes after induction by NE and burn serum.</p>


Subject(s)
Animals , Rats , Astrocytes , Metabolism , Burns , Gene Expression , Norepinephrine , Pharmacology , RNA, Messenger , Metabolism , Rats, Wistar , Serum , Terbutaline , Pharmacology , Vascular Endothelial Growth Factor A , Metabolism
18.
Chinese Journal of Medical Genetics ; (6): 293-297, 2007.
Article in Chinese | WPRIM | ID: wpr-247332

ABSTRACT

<p><b>OBJECTIVE</b>To study the effect of inhibiting the expression of endothelial-overexpressed lipopolysaccharide-associated factor 1 (EOLA1) on proliferation of human umbilical vein endothelial cell line ECV304.</p><p><b>METHODS</b>After constructing and transfecting EGFP-EOLA1 fusion protein expressive vector into ECV304 cells, the transfected cells was cultured in M199 containing G418 for 5 weeks to screen the cell line stable expression EGFP-EOLA1 fusion protein. Oligonucleotides targeting EOLA1 at different sites were synthesized and inserted into pSinencer3.1/H1 vector. Then, the recombinant vector was transfected into the cultured ECV304 cells and the inhibiting effect to target gene EOLA1 was investigated by observing the green fluorescence in transfected cells under inverted fluorescent microscope and by Western blot assay. The proliferation of ECV304 cells was numbered when the expression of EOLA1 in ECV304 cells was inhibited by RNA interference.</p><p><b>RESULTS</b>The ECV304 cell line stably expressing EGFP-EOLA1 fusion protein was constructed and the siEOLA1 interfere vectors can knock down EOLA1 gene expression specially. When blocking the expression of EOLA1 in ECV304 cells,the proliferation of cells slowed down.</p><p><b>CONCLUSION</b>EOLA1 maybe has a role on the proliferation of cells.</p>


Subject(s)
Humans , Blotting, Western , Cell Line , Cell Proliferation , Down-Regulation , Genetics , Membrane Proteins , Genetics , Phenotype , RNA Interference , RNA, Small Interfering , Genetics , Metabolism , Recombinant Proteins , Genetics
19.
Chinese Journal of Emergency Medicine ; (12)2006.
Article in Chinese | WPRIM | ID: wpr-683077

ABSTRACT

Objective To investigate the effect of escharectomy on rats' pulmonary NF-?B activation and the expression of pulmonary proinflammatory cytokines in early stage of burn injury.Method Wistar rats were randomly divided into three groups:group A(control group),group B(postburn without escharectomy),group C(escharectomy at early stage of burn injury).Thermal-injuried rats underwent 35% TBSA full-thickness burns. Activation of pulmonary NF-?B at 12 hours and 24 hours postburn was tested by electrophoretic mobility shift assay (EMSA),and at the same time expressions of pulmonary TNF-?mRNA were measured by reverse transcription polymerase chain reaction(RT-PCR)and release of pulmonary TNF-?were assayed by enzyme-linked immunosorbent assay(ELISA).Results Compared with control group,activity of pulmonary NF-?B in group B was markedly increased,reached(19.56?1.36)?10~4 A at 12 hours and(15.23?1.94)?10~4 A at 24 hours,which was higher than that in group A[(4.36?0.38)?10~4 A,P

20.
Chinese Journal of Burns ; (6): 288-290, 2006.
Article in Chinese | WPRIM | ID: wpr-331578

ABSTRACT

<p><b>OBJECTIVE</b>To investigate the self-esteem level and social adaptation ability of hospitalized burn patients in our burn ward.</p><p><b>METHODS</b>One hundred and twenty hospitalized burn patients in our burn ward were enrolled in the study and evaluated according to their sex, severity of burn injury and education level. Their self-esteem level and social adaptation ability were scored with the Felling of Inadequacy Scale and Abbreviated Burn Specific Health Scale.</p><p><b>RESULTS</b>The general score of self-esteem of the patients with mild burns( 183+/-23) was obviously lower than that with moderate and severe burns (167+/-21 and 154 +/-24) , ( P <0.01). The self-esteem level of burn patients was different in different sex and education level. Among the self-esteem scores, male burn patients presented evidently higher scores of self evaluation, social ability, appearance, as well as the general score than those in the female ( P < 0.05). Moreover, the self evaluation score and study ability was higher in those with higher education level than those with lower education. Furthermore, the score of social adaptation ability was higher in the patients with mild burns than that in patients with moderate and severe burns ( P < 0. 01). The social adaptation ability and psychological function were much higher in male patients than those in female patients, but the former were weaker than the latter in regard to the body function. The psychological function, social relationship and general condition of the patients with lower education were better than those with higher education ( P <0. 05 ).</p><p><b>CONCLUSION</b>There existed difference in the self-esteem and social adaptation ability in different burn patients during different periods.</p>


Subject(s)
Adolescent , Adult , Female , Humans , Male , Middle Aged , Burns , Psychology , Inpatients , Psychology , Self Concept , Social Adjustment
SELECTION OF CITATIONS
SEARCH DETAIL