2. Protection of neuron nutrition active peptide on microglia in Parkinson's disease rats and its mechanism
Chinese Traditional and Herbal Drugs 2010;41(11):1838-1842
Objective: To observe the protection of neuron nutrition active peptide (NNAP) on the Parkinson's disease (PD) rats and its effect on the microglias. Methods: 6-Hydroxydopamine (6-OHDA) was used to prepare the PD rat model. Further, the effects of NNAP on the rotation behavior and the immunoreactivity of substantial nigra dopaminergic (DA) neurons and microglia cells were observed by behavior test and immunocytochemistry. Results: The results show that PD rats treated with NNAP [0.05 mg/ (kg·d), ip] for 7 d behaved the decreased rotation times compared to PD group obviously (P<0.01). Furthermore, in the lesion side of 6-OHDA rat, compared with the model group, the therapeutic rats revealed the obvious increased number and the optical density of DA neurons in 20 000 μm2 measure area (P<0.01); The obvious decreased number and the optical density of the microglia cells compared to PD group in the midbrain (P<0.01). Conclusion: The results suggest that NNAP could inhibit the immunoreactivity of microglia cells, which may involve in the protection function in PD rats.
3.Clinical effect of partial reduction orthokeratology and spectacles on high myopia adolescents
Ming, LUO ; Sheng-Sheng, MA ; Hong-Yang, LI
International Eye Science 2015;(1):128-130
Abstract? AlM: To observe the effect of combining partial reduction orthokeratology ( Ortho-K ) and spectacles on slowing myopic progressionin high myopic adolescent.? METHODS: Sixty - nine eyes of 36 high myopic adolescent ( aged 9 ~15 years ) with spherical equivalent refraction ≧-6. 00 diopters ( D) ( spherical component≧-5. 50D) were fitted with custom-made four-zone/five-curve Ortho-K lenses. The target of reduction was to achieve -5. 00D for both eyes. The residual refractive errors after at least one month of Ortho-K wear were corrected with single-vision spectacles for clear vision in the daytime. The unaided visual acuity ( UVA) , refractive error ( RE ) , axial length ( AL ) , and ocular health were assessed before the Ortho-K lens wear, and followed up for 2a after Ortho-K.?RESULTS: ( 1 ) Changes in UVA: The mean UVA was 0. 09±0. 05 at baseline before Ortho-K;the mean UVA was 0. 27 ± 0. 14, 0. 54 ± 0. 18, 0. 78 ± 0. 24, and 0. 81 ± 0. 19, respectively after Ortho-K wear for l night, 1wk, 1, and 3mo. The differences of UVA were significant with baseline (P<0. 05), and became stable 1mo after the treatment. (2) Changes in RE:The mean RE was -6. 82± 0. 71D at baseline before Ortho-K and -6. 86 ± 0. 77D after Ortho-K wear for 1a (P>0. 05 compared to baseline). The mean RE was-7. 11±0. 81D after Ortho-K wear for 2a, and the amount of myopia increased -0. 29 ± 0. 37D compared to baseline (P<0. 05). (3) Changes in AL: The mean AL was 26. 18 ± 0. 57mm at baseline before Ortho-K, and it was not significantly different (P>0. 05) from the AL after Ortho-K wear for 6mo (26. 19±0. 54mm) and for 1a (26. 21± 0. 47mm). The AL was 26. 37±0. 59mm after Ortho-K wear for 2a, and the mean increase was 0. 19 ± 0. 28mm compared to baseline (P<0. 05). (4) Grade 1 corneal staining was observed in some subjects at each visit. However, the staining was improved after lens cleaning, discontinuing lens wear, or applying artificial tears. No other adverse events were reported in all subjects during the 2a study.?CONCLUSlON:Combining partial reduction Ortho-K and spectacles completely slowed myopic progression in high myopic adolescent after receiving the treatment for 1a, and partially reduced myopia progression after 2a of treatment. No severe ocular complications were found throughout the treatment. The combination treatment appeared to be effective and safe, but its long-term effect needs to be further assessed.
4.Effects of SV heat-resisting protein on the microglial cells in MPTP-treated mice.
Sheng-Ming YIN ; De-Qin YU ; Ning AN
Chinese Journal of Applied Physiology 2009;25(1):79-90
1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine
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Animals
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Female
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MPTP Poisoning
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drug therapy
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pathology
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physiopathology
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Male
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Materia Medica
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therapeutic use
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Mice
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Mice, Inbred C57BL
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Microglia
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drug effects
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pathology
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Parkinson Disease, Secondary
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chemically induced
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drug therapy
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physiopathology
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Scorpion Venoms
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chemistry
6.Clinical analysis of 15 cases of abdominal compartment syndrome.
Sheng-Kui ZHAO ; Xiao-Ming WEI
Chinese Journal of Contemporary Pediatrics 2010;12(2):143-144
Abdomen
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physiopathology
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Child
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Child, Preschool
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Compartment Syndromes
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diagnosis
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mortality
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therapy
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Female
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Humans
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Infant
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Male
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Retrospective Studies
9.Association of genetic polymorphism in the advanced glycation endproduct gene with genetic susceptibility to ischemic stroke
Ming SHENG ; Huixia LIU ; Yanliu ZHANG
Chinese Journal of Geriatrics 2016;35(2):174-178
Objective To investigate the association of genetic polymorphism in the advanced glycation endproduct (RAGE) gene with genetic susceptibility to ischemic stroke.Methods A case-control study was conducted with 124 ischemic stroke patients serving as the stroke group and 125 healthy volunteers serving as the control group.Three common polymorphisms in the RAGE gene,82G/S (rs2070600),-429T/C (rs1800625) and-374T/A (rs1800624),were genotyped by the polymerase chain reaction-restriction fragment length polymorphism (PCR-RELP) method.The association between the three polymorphisms and genetic susceptibility to ischemic stroke was further analyzed by logistic regression analysis.Results The body mass index (BMI),diastolic blood pressure,blood lipids levels,and the percentage of smokers were significantly higher in the stroke group than in the control group (each P<0.05).At the 82 position,the frequencies of the genotypes GG,GS and SS were 10%,48% and 42%,respectively.At the 429 position,the frequencies of the genotypes TT,TC and CC were 15%,44% and 41%,respectively.At the 374 position,the frequencies of the genotypes TT,TA and AA were 8%,41% and 50%,respectively.After adjusting for confounding factors including age,gender,smoking and blood pressure,the genotype frequencies of SS and S alleles at 82G/S of the RAGE gene were higher in the stroke group than in control group (SS:OR=2.14,95% CI:1.37-3.51;S:OR=1.96,95% CI:1.24-3.34),while no significant differences of genotype frequencies of the 429T/C and-374T/T polymorphisms were observed between the stroke group and the control group (each P>0.05).Conclusions The 82G/S gene polymorphism of the RAGE gene has correlations with ischemic stroke in the Henan Han population,with the S allele as the risk factor for ischemic stroke.However,no clear association between the 429T/C or-374T/A polymorphisms of the RAGE gene and ischemic stroke is identified in the Han population.
10.Experiment study of the role of allogeneic serum in the culture of human bone marrow mesenchymal stem cells in vitro
Ming XU ; Zongning MIAO ; Weihua SHENG
Orthopedic Journal of China 2006;0(07):-
[Objective]To investigate if allogeneic human serum(alloHS)could replace fetal bovine serum(FBS)for the expansion of human bone marrow mesenchymal stem cells(hBMSCs)in vitro.[Method]Human BM-MSCs were isolated either from spongy bone residues obtained during hip surgery or from washed filters used during bone marrow graft processing for allogeneic bone marrow transplantation.We culture human bone marrow mesenchymal stem cells were cultivated using alloHS and FBS,then observe its growth character,antigen presentation and differentiation potency through condition medium directional induction were observed.[Result]Isolated MSCs were positive for the markers CD105,CD29 and CD44 and negative for typical hematopoietic and endothelial markers CD34,CD45,CD106 and HLA-DR.The choice of serum affected hMSCs at several different levels.Firstly,hMSCs in alloHS proliferated markedly faster than hMSCs in FBS.Secondly,hMSCs in FBS differentiated more rapidly toward mesenchymal lineages compared with hMSCs in alloHS.[Conclusion]hMSCs may be expanded rapidly in alloHS in the absence of growth factors,this may be a safely culture method suitable for clinical demand.