نتایج جستجو برای: بازدهی c5
تعداد نتایج: 10926 فیلتر نتایج به سال:
Changes to the cytosine methylation status of DNA, driven by the activity of C5 methyltransferases (C5-MTases) and demethylases, exert an important influence over development, transposon movement, gene expression and imprinting. Three groups of C5-MTase enzymes have been identified in plants, namely MET (methyltransferase 1), CMT (chromomethyltransferases) and DRM (domains rearranged methyltran...
Risk Factor Analysis for C5 Palsy after Double-Door Laminoplasty for Cervical Spondylotic Myelopathy
STUDY DESIGN A retrospective comparative study. PURPOSE To clarify the risk factors related to the development of postoperative C5 palsy through radiological studies after cervical double-door laminoplasty (DDL). OVERVIEW OF LITERATURE Although postoperative C5 palsy is generally considered to be the result of damage to the nerve root or segmental spinal cord, the associated pathology remai...
Certain complement defects are associated with an increased propensity to contract Neisseria meningitidis infections. We performed detailed analyses of complement-mediated defense mechanisms against N. meningitidis 44/76 with whole blood and serum from two adult patients who were completely C2 or C5 deficient. The C5-deficient patient and the matched control were also deficient in mannose-bindi...
Complement is involved in many immune-mediated diseases. However, the association of its copy number variations (CNVs) and polymorphisms with Behcet's disease (BD) and Vogt-Koyanagi-Harada syndrome (VKH) is unknown. We examined copy number and mRNA expression by real-time PCR. Cytokine production by stimulated peripheral blood mononuclear cells (PBMCs) in genotyped individuals was measured by E...
Bronchoconstriction responses in the airway are caused by multiple insults and are the hallmark symptom in asthma. In an acute lung injury model in mice, IgG immune complex deposition elicited severe airway hyperreactivity that peaked by 1 h, was maintained at 4 h, and was resolved by 24 h. The depletion of complement with cobra venom factor (CVF) markedly reduced the hyperreactive airway respo...
Complement C5 is a 189 kDa protein synthesized in liver as a single-chain precursor molecule. The precursor molecule is then cleaved to a disulfide linked two-chain glycoprotein consisting of a 115 kDa (C5α) and a 75 kDa N-terminal (C5β) chain. C5 is present in all the three known complement activation pathways: classical, alternative and lectin. C5α chain is cleaved by C5 convertases, which ar...
The importance of C5 in the generation of complement (C)-dependent chemotactic activity in vitro is well recognized. However, the actual role C5 may play in the accumulation of polymorphonuclear leukocytes (PMN) at inflammatory sites in vivo has not been established. Injection of glycogen or endotoxin into the peritoneal cavities of guinea pigs resulted, shortly thereafter, in the local accumul...
The crystal structure of the methanol hemisolvate of 5,5-dibromobarbituric acid (1MH) displays an H-bonded layer structure which is based on N-H⋯O=C, N-H⋯O(MeOH) and (MeOH)O-H⋯O interactions. The barbiturate molecules form an H-bonded substructure which has the fes topology. 5,5'-Methanediylbis(5-bromobarbituric acid) 2, obtained from a solution of 5,5-dibromobarbituric acid in nitromethane, di...
We have reviewed 1858 patients who had undergone a cervical laminoplasty and identified 43 (2.3%) who had developed a C5 palsy with a MMT (MRC) grade of 0 to 2 in the deltoid, with or without involvement of the biceps, but with no loss of muscular strength in any other muscles. The clinical features and radiological findings of patients with (group P; 43 patients) and without (group C; 100 pati...
OBJECTIVE To investigate the association between variants in the complement component 5 (C5) gene and age-related macular degeneration (AMD). DESIGN Separate and combined data from 3 large AMD case-control studies and a prospective population-based study (The Rotterdam Study). PARTICIPANTS A total of 2599 AMD cases and 3458 ethnically matched controls. METHODS Fifteen single nucleotide po...
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