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101.
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R G Wales 《Australian journal of biological sciences》1969,22(3):701-707
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Ultrastructural characteristics of human blood eosinophils have been analysed by morphometric methods in 18 healthy adults. Data were obtained relating to whole cell, nucleus, mitochondria and specific granules. No significant differences were found between the eosinophils of the 9 male and 9 female subjects. The results provide normal values against which changes in eosinophils in disease states may be assessed. 相似文献
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R J Sokol J Wales G Hudson 《Analytical and quantitative cytology and histology / the International Academy of Cytology [and] American Society of Cytology》1989,11(6):403-406
Discriminant analysis was applied to morphometric data obtained from ultrastructural studies of blood monocytes from 20 normal subjects, 23 patients with Hodgkin's disease and 12 patients with non-Hodgkin's lymphoma. The aim was to assess the efficiency of predicting subject groups from such data. The analysis, performed on a microcomputer using a standard statistical package, considered nuclear volume, nuclear surface area, nucleolar volume, nucleolar surface area, nucleolar volume fraction, number of nucleoli per section, cell surface area, mitochondrial surface area and subject age. The overall agreement between predicted and actual subject groups was 64%; considering only normality and disease, the agreement was 80%. While the predictive value of such data from circulating monocytes would appear insufficient for diagnostic purposes, discriminant analysis as used here might be of value in indicating the state of host defense in malignancy. 相似文献
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Kathryn M. Wales Kristyn Kavazos Maria Nataatmadja Peter R. Brooks Chloe Williams Fraser D. Russell 《PloS one》2014,9(11)
Abdominal aortic aneurysm is associated with infiltration of inflammatory cells into the aortic wall. The inflammatory response is also evident in animal models, such as apolipoprotein E-deficient (ApoE-/-) mice that have been infused with angiotensin II, prior to development of aortic aneurysm. Since omega-3 polyunsaturated fatty acids (n-3 PUFAs) and their metabolites have anti-inflammatory and pro-resolving activity, we hypothesised that dietary supplementation with n-3 PUFAs would protect against inflammatory processes in this mouse model. Twenty C57 and 20 ApoE-/- 3-4 week old male mice were supplemented with a low (0.14%, n = 10/group) or high (0.70%, n = 10/group) n-3 PUFA diet for 8 weeks before 2-day infusion with 0.9% saline or angiotensin II (1000 ng/kg/min). Four ApoE-/- mice on the low n-3 PUFA diet and none of the ApoE-/- mice on the high n-3 PUFA diet showed morphological evidence of abdominal aortic dissection. The plasma concentration of the n-3 PUFA metabolite, resolvin D1 was higher in angiotensin II-infused ApoE-/- mice fed the high, compared to the low n-3 PUFA diet. The number of neutrophils and macrophages infiltrating the abdominal aorta was elevated in ApoE-/- mice on the low n-3 PUFA diet, and this was significantly attenuated in mice that were fed the high n-3 PUFA diet. Most neutrophils and macrophages were associated with dissected aortas. Immunoreactivity of the catalytic subunit of nicotinamide-adenine dinucleotide phosphate (NADPH) oxidase, Nox2, and superoxide were elevated in ApoE-/- mice that were fed the low n-3 PUFA diet, and this was also significantly attenuated in mice that were fed the high n-3 PUFA diet. Together, the findings indicate that supplementation of ApoE-/- mice with a diet high in n-3 PUFA content protected the mice against pro-inflammatory and oxidative stress responses following short-term infusion with angiotensin II. 相似文献
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Shoghag Panjarian Roxana E. Iacob Shugui Chen Thomas E. Wales John R. Engen Thomas E. Smithgall 《The Journal of biological chemistry》2013,288(9):6116-6129
Multidomain kinases such as c-Src and c-Abl are regulated by complex allosteric interactions involving their noncatalytic SH3 and SH2 domains. Here we show that enhancing natural allosteric control of kinase activity by SH3/linker engagement has long-range suppressive effects on the kinase activity of the c-Abl core. Surprisingly, enhanced SH3/linker interaction also dramatically sensitized the Bcr-Abl tyrosine kinase associated with chronic myelogenous leukemia to small molecule inhibitors that target either the active site or the myristic acid binding pocket in the kinase domain C-lobe. Dynamics analyses using hydrogen exchange mass spectrometry revealed a remarkable allosteric network linking the SH3 domain, the myristic acid binding pocket, and the active site of the c-Abl core, providing a structural basis for the biological observations. These results suggest a rational strategy for enhanced drug targeting of Bcr-Abl and other multidomain kinase systems that use multiple small molecules to exploit natural mechanisms of kinase control. 相似文献
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