2.Expression of Cytokeratin 19 in Different Live Tissues From Victims With Third-degree Burns in Repair Process
Pengxiang ZHOU ; Chengqun LUO ; Yonghong GU
Journal of Chinese Physician 2001;0(09):-
Objective To study the expression characteristics of cytokeratin 19(CK19) in different live tissues from victims with third-degree burns to explore the possible mechanisms of tissue reparation and regeneration in orthophoria.Methods 10 young victims with third-degree burns were included in this study.Alive tissues at different regeneration stages were studied by immunohistochemistry with streptavidin-biotin-peroxidase method using specific anti-CK19 monoclonal antibody. Only cytoplasm expression was considered as specific.Normal skin tissue and chronic skin ulcer were used as controls.The study was focused on the distribution and morphological features of CK19-positive cells.Results ⑴In normal skin ,CK19-positive cells were seen in basialis layer of epiderm and cutaneous appendages.⑵CK19-positive cells were not found in subcutaneous tissue at 3~6 days after the injury,but they were seen in granulation tissues.⑶A lot of CK19-positive cells were detected in early regeneration tissues.⑷In late regeneration tissues,CK19-positive cells were detected in basialis layer of epiderm and cutaneous appendages.⑸Advanced regenerationed epidermal tissue was similar to that of normal.⑹No CK19-positive cells were observed in all of 6 cases with chronic skin ulcer.Conclusion It is possible that victims with third-degree burns could be healed by tissue regeneration orthophoria.
3.Effect of triptolide on expression of receptor activator of nuclear factor-kappaB ligand in rat adjuvant induced arthritis.
Yonghong, HU ; Bo, LUO ; Mingmin, ZHANG ; Shenghao, TU ; Keqing, ZENG
Journal of Huazhong University of Science and Technology (Medical Sciences) 2006;26(3):344-6
The effect of triptolide (TP) on the expression of receptor activator of nuclear factor-kappaB ligand (RANKL) and osteoprotegerin (OPG) was explored in rat adjuvant induced arthritis (AA). AA was induced in Wistar rats. Arthritis rats were treated with TP and methotrexate (MTX) at the onset (day 9) of arthritis. On the peak of arthritis (day 24), the expression of RANKL and OPG protein in the joints and RANKL mRNA in peripheral blood mononuclear cells (PBMC) was detected. TNF-alpha and IL-1beta levels in peripheral blood were determined. Bone erosion scores were also evaluated. The results showed that bone erosion scores in TP and MTX groups were lower than in AA group (P < 0.01); The expression levels of RANKL in the synovium (P < 0.01) and bone (P < 0.05), and OPG level in synovium (P < 0.05) were lower in TP group than in AA group (P < 0.05). In TP group, the expression levels of RANKL mRNA and TNF-alpha, IL-1beta in PBMC were lower than in AA group (all P < 0.01). It was concluded that TP could inhibit rat adjuvant arthritis bone erosion by suppressing the expression of RANKL.
4.A NEW METHOD FOR DIAGRAMMING PACEMAKER/HEART INTERACTION
Yonghong KUO ; Yingchun GUO ; Jie JIN ; Yezhuo HUANG ; Zhicheng LUO
Journal of Pharmaceutical Analysis 1999;11(1):93-
Advancements in technology have enhanced the performance of pacemakers but made the interaction between the pacemaker and the heart becoming increasingly complex, and its is difficult to interpret the paced ECGs (PGCGs). This paper introduces a brief method to interpret PECGs, which illustrate the timing intervals graphically and avoid using symbols and strings.
5.Mechanisms and Effect of Ginkgolide B on the Differentiation of Neuron Stem Cells
Yonghong WANG ; Xue LUO ; Yongjiang SHI ; Hongliang LIU ; Zhongxiang YAO
Chinese Journal of Rehabilitation Theory and Practice 2007;13(8):701-703
Objective To observe the effect of Ginkgolide B of various consistency on the differentiation of neuron stem cells (NSCs).MethodsNSCs were cultured in differentiation medium containing Ginkgolide B of various consistency for 3 and 7 days, the neurites length and cell body area were measured by inverted phase-contrast micrograph, then neurofilament-200 (NF-200), glial fibrillary acidic protein (GFAP), adenomatus polyposis coli (CC-1) expression were detected and counted by fluorescence microscope. The suppressor of cytokine signaling-2 (SOCS2), inhibitor of DNA binding-2 (Id2) were alsoimmunostained. The percentage of positive cells were counted respectively.ResultsThe neurites length and cell body area in Ginkgolide B groups were obviously larger than that in the control group. The percentage of NF, GFAP positive cells in Ginkgolide B groups increased with dosage increasing of Ginkgolide B. Compared with the normal control group, the percentage of SOCS2 positive cells increased significantly ( P<0.01) and the percentage of Id2 positive cells decreased significantly ( P<0.01) in Ginkgolide B groups.ConclusionGinkgolide B can promote NSCs to differentiate into neuron and astrocyte, the percentage of astrocyte is increased with a dosage-dependent relationship with Ginkgolide B.
6.Study on the gene of antimicrobitic resistance of Moraxella catarrhalis isolated from lower respiratory tract of children with pneumonia in Chongqing area
Rong LUO ; Ying HUANG ; Enmei LIU ; Lan LIU ; Yuan CHEN ; Yonghong YANG
Journal of Clinical Pediatrics 2010;(2):124-127
Objective To explore the mechanism of resistance to beta-lactam antibiotics of Moraxella catarrhalis (Me) in children with lower respiratory tract infection, to guide the rational and objective administration and provide measures of avoiding changes of antimicrobial resistance of Mc. Methods Total 40 strains Mc with positive beta-lactamase were taken from lower respiratory tract of hospitalized children with pneumonia from July to December in 2006. Polymerase chain reaction technology was used to amplify genes. The DNA product of the 40 strains were digested by restriction enzyme (BCgI). The expression and type of the drug resistance gene (BRO) for ampicillin according to different strap in agarose gel electrophoresis were analyzed. Clinical characteristics of different genotype was studied. Results Among 40 strains Me with positive Nitrocefin disk, positive BRO-1 gene was 90.0% while positive BRO-2 gene was 7.5%, and another 2.5% was neither positive BRO-1 gene nor positive BRO-2 gene. BRO-3 or TEM-1 enzyme produced may be the possible cause. The diameter of inhibition zone to beta-lactam antibiotics of Mc was smaller in positive BRO-1 gene than that Mc of positive BRO-2 gene. Conclusions BRO-1 gene was the main genotype of Mc with beta-laetamase positive in our study.
7.Renal inadequacy following liver transplantation in 37 cases
Xianrong LUO ; Guobing ZENG ; Shuren LIU ; Changfa REN ; Yonghong YANG ; Liping SU
Chinese Journal of Tissue Engineering Research 2009;13(53):10569-10572
BACKGROUND: Acute renal insufficiency (ARI) usually occurred following liver transplantation due to the surgical trauma and the application of immunosuppressant, which lack of unified diagnostic criteria. OBJECTIVE: To investigate the experience of diagnosis and treatment of ARI following liver transplantation.DESIGN, TIME AND SETTING: The experiment was performed at the 458 Hospital of Chinese PLA from January 2004 to December 2006.PARTICIPANTS: A total of 37 cases received liver transplantation, including 35 males and 2 females, aged 37-67 years, mean aged (48.5±8.9) years. All cases were divided into the liver cancer group (n=16) and liver cirrhosis group (n=21). The liver cirrhosis group included 16 cases with posthepatitic type B cirrhosis, 4 with posthepatitic type C cirrhosis, and 1 with alcoholic cirrhosis. All these cases were in decompensation stage. The final diagnosis was performed by pathological examination. METHODS: The removal of kidney and construction of blood outflow tract was achieved by modified piggy-back liver transplantation. The arterial blood gas analysis, blood routine examination, renal function and liver function were examined more than twice per day. The cephalosporins, Fluconazole and ganciclovir or vancomycin were used for 5-7 days to prevent infections.MAIN OUTCOME MEASURES: The incidence rate of acute ARI, clinical features and outcomes of patients were observed.RESULTS: ARI developed in 19 patients with liver transplantation, 5 patients died, 14 patients recovered in 2-3 weeks. The incidence of ARI following liver transplantation was associated with infection, bleeding shock, respiratory failure and acute respiratory distress syndrome (P < 0.05). CONCLUSION: The incidence of ARI following liver transplantation was 51.35%, with 26.32% mortality rate. The early diagnosis and treatment are the key steps for increasing successful rate of ARI treatment following liver transplantation.
8.Effect of the fastigial nucleus electrostimulation on the ability of learning and memory and the Apoptosis of the neurons in the hippocampal district in ratymodel of Alzheimer's Disease
Xiao-Lin WANG ; Yonghong WANG ; Jing LUO ; Qihui CHENG ; Qiong ZHU ;
Journal of Chongqing Medical University 1986;0(02):-
Objective:To study the effects of the fastigial nucleus electrostimulation on the ability of learning and memory and the Apoptosis of the neurons in the hippocampal district in ratymodel of Alzheimer's D isease induced by?-amyloid(A?).Methods:Forty rats were randomly divided into:A?1-40 micro-injection groups(AD),sham-operation roup(SC),A?1-40 micro-injection and fastigial nucleus stimulation group(FNS),a A?1-40 micro-injection and corpus dentatum stimulation group(DNS).The effect of fastigial nucleus electrostimulation on learning and memory retention disorder in the model rats was studied by the test of Morris water maze;the brain protection of fastigial nucleus electrostimulation in model rats was observed through pathomorphology changes;the Apoptosis of the neurons in the hippocampal CA1 district was detected by Terminal deoxynucleotidyl transferase-mediated dUTP nick-end-labeling method.Results:The escape latency of the place navigation in the AD grou,FNS group and DNS group were singnificiantly longer than that in the SC group(P
9.Relationship between tumor metastasis-related genes and adenomyosis
Lina KONG ; Qing SUN ; Yonghong LUO ; Huafeng DING ; Tiechen LI ; Linmin LU
Chinese Journal of Pathophysiology 1986;0(03):-
AIM: To study the tumor metastasis-related genes expression in adenomyosis and normal endometrium in order to investigate the pathogenesis of adenomyosis. METHODS: 43 specimens of adenomyosis, 22 specimens of controls (normal endometrium) were studied. The expressions of nm23-H1, MMP-2, MMP-9, MT1-MMP, and TIMP-1 in adenomyosis and controls were detected by immunohistochemical method. RESULTS: The expression levels of MMP-2, MMP-9, and MT1-MMP in adenomyosis were significantly higher than those in controls ( P 0 05). CONCLUSION: MMP-2, MMP-9, especially MT1-MMP, maybe play an important role in the pathogenesis of adenomyosis.
10.Current status of benign breast diseases and metabolic syndrome in professional women in Chongqing and study on relative risk factors
Liang RAN ; Tao GONG ; Yonghong WANG ; Rong LUO ; Mingjun ZHANG ; Xuejie DENG ; Xiaoying QU
Journal of Endocrine Surgery 2012;06(2):98-101
ObjectiveTo study current status of benign breast diseases and metabolic syndrome in professional women in Chongqing and relative risk factors. MethodsProfessional women (2604 cases )in Chongqing were surveyed by random cluster sampling.The biochemical indicators such as blood lipid were determined by cholesterin oxidase.The indicators such as height and weight were measured by physical examination.Chi-square test and logistic regression were used in statistical analysis. Results The morbidity rate of benign breast diseases, metabolic syndrome, hyperglycaemia, hypertension, hyperlipidemia, and obesity in our study was 19.27% (429/2226), 7.91% ( 176/2226 ), 8.04% ( 179/2226 ), 23.23% ( 517/2226 ), 24.21% ( 539/2226 ) and 20.5% (457/2226) respectively.The difference of mobidity rate between different age group and different career had statistical significance.Office workers and civil servants were high risk population.Age was negatively correlated with benign breast diseases.There was no relation between benign breast diseases and metabolic syndrome.ConculsionsThe morbidity rate of benign breast diseases and metabolic symdrome in professional women in Chongqing is relatively high.A good lifestyle, breast self-examination and regular physicial examination are recommended.