نتایج جستجو برای: lysozyme
تعداد نتایج: 7715 فیلتر نتایج به سال:
Among several wheat (Triticum aestivum L.) germ proteins able to lyse Micrococcus lysodeikticus, one lysozyme (W1A) was purified by ion-exchange chromatography, gel filtration, and preparative polyacrylamide gel electrophoresis. Polyclonal antibodies against this lysozyme were raised in rabbits. The in situ localization of W1A lysozyme was achieved by the indirect protein A-gold technique. Larg...
Serum potassium, lysozyme and urinary lysozyme measurements were made in 98 patients with tuberculosis, 18 with sarcoidosis and 30 with acute myeloid leukaemia. Serum K concentration fell below 3.5 mmol/l in 17 of the 30 leukaemic patients and only 7 of these had raised serum lysozyme concentrations. None of the patients in the tuberculosis-sarcoidosis group with lysozymaemia or lysozymuria dev...
The purpose of this study was to determine what happens to normal aqueous lysozyme levels during experimentally induced uveitis. Horse-serum-induced uveitis increased the average rabbit aqueous lysozyme value (0.9 mug per milliliter) to 13.8 mug per milliliter, but did not elevate the average serum lysozyme value (4.0 mug per milliliter). These findings suggest that ocular inflammation alone is...
Effects of ?-cyclodextrin, ?CD, on refolding of lysozyme was investigated at pH 12 employing isothermal titration calorimetry (ITC) at 300K in 30mM Tris buffer solution. ?CD was employed as an anti-aggregation agent and the heats obtained for lysozyme+?CD interactions are reported and analyzed in terms of the extended solvation model. It was indicated that there are two sets of identical and no...
The in vivo observation that the expression of bacteriophage T7 gene 3.5 (T7 lysozyme) inactivates T7 class II transcription and the in vitro observation that T7 lysozyme inhibits T7 RNA polymerase lead to the hypothesis that T7 lysozyme might preferentially inhibit transcription from T7 class II promoters. T7 lysozyme was cloned into a lambda pL expression vector, overproduced in Escherichia c...
Genetic polymorphisms of immune genes that associate with higher risk to develop Alzheimer's disease (AD) have led to an increased research interest on the involvement of the immune system in AD pathogenesis. A link between amyloid pathology and immune gene expression was suggested in a genome-wide gene expression study of transgenic amyloid mouse models. In this study, the gene expression of l...
Terahertz time-domain spectroscopy (THz-TDS) and Fourier transform infrared (FT-IR) spectroscopy were used to generate far-infrared and low-frequency spectral measurements of monomeric lysozyme and lysozyme fibrils. The formation of lysozyme fibrils was verified by the Thioflavin T assay and transmission electron microscopy (TEM). It was evident in the FT-IR spectra that between 150 and 350 cm(...
AIM To determine immunocytochemically whether preterm and newborn infants with necrotising enterocolitis (NEC) show differences in numbers of lysozyme positive Paneth cells compared with normal controls, and to relate the findings to the possibility that lysozyme deficiency may facilitate the bacterial infections thought to be associated with this condition. METHODS Tissues from 10 infants wi...
Spherules of Coccidioides immitis strain Silveira produced in vitro were treated with chitinase and lysozyme. The walls of merthiolate-killed mature endosporulating spherules were degraded by chitinase (500 mug/ml) and by lysozyme (100 and 500 mug/ml). Thus, as was visible through the light microscope, the spherule wall was reduced in thickness from 1 to 2 mum to less than 0.5 mum. The degradat...
To define a model for enzyme latency in vitro, the capture was studied of egg white lysozyme by liposomes (phospholipid spherules in the smectic mesophase). Gel filtration resolved liposomes formed in the absence of enzyme from free enzyme when both were chromatographed immediately after mixing. In contrast, if liposomes were swollen in the presence of lysozyme, subsequent chromatography disclo...
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