4 research outputs found

    Bibliography of secondary sources on the history of dermatology III. Books, monographs, and chapters in English supplemented through 2005.

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    Providing supplements to the history of dermatology bibliographic record has been a continuous project for the past four decades. When the endeavor was initiated, the original authors decided that only contributions in English and those directly related to dermatology, excluding sexually transmitted diseases as such, would be indexed. There is the perennial question of whether such a manually created bibiliographic project has a need. The obvious answer remains yes. While Index Medicus has expanded the number of journals that are indexed, the number of dermatology publications currently included by Index Medicus is just over fifty. Granted, most of the papers of dermatologic interest are included in these journals, some contributions are to be found in non-indexed publications. In addition, many documents of an historical interest or of a biographical nature are not necessarily selected for indexing in Index Medicus. These installments are the first since 1980 for which the late John Thorne Crissey (1924-2009) has not contributed. His knowledge of the history of dermatology and his intellectual support are greatly missed

    Bibliography of Secondary Sources on the History of Dermatology II. Obituaries and Biographies in English before 1973

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    Bibliography of Secondary Sources on the History of Dermatology II. Obituaries and Biographies in English before 197

    Divergent role of nitric oxide in insulin‐stimulated aortic vasorelaxation between low‐ and high‐intrinsic aerobic capacity rats

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    Low‐intrinsic aerobic capacity is associated with increased risk for cardiovascular and metabolic diseases and is a strong predictor of early mortality. The effects of intrinsic aerobic capacity on the vascular response to insulin are largely unknown. We tested the hypothesis that rats selectively bred for a low capacity to run (LCR) exhibit vascular dysfunction and impaired vascular reactivity to insulin compared to high capacity running (HCR) rats. Mature female LCR (n = 21) and HCR (n = 17) rats were maintained under sedentary conditions, and in vitro thoracic aortic vascular function was assessed. LCR exhibited greater body mass (13%), body fat (35%), and subcutaneous, perigonadal, and retroperitoneal adipose tissue mass, than HCR. During an intraperitoneal glucose tolerance test, glucose area under the curve (AUC) was not different but insulin AUC was 2‐fold greater in LCR than HCR. Acetylcholine and insulin‐stimulated aortic vasorelaxation was significantly greater in LCR (65.2 ± 3.8%, and 32.7 ± 4.1%) than HCR (55.0 ± 3.3%, and 16.7 ± 2.8%). Inhibition of nitric oxide synthase (NOS) with L‐NAME entirely abolished insulin‐mediated vasorelaxation in the aorta of LCR, with no effect in HCR. LCR rats exhibited greater expression of Insulin Receptor protein, lower Endothelin Receptor‐A protein, a down‐regulation of transcripts for markers of immune cell infiltration (CD11C, CD4, and F4/80) and up‐regulation of pro‐atherogenic inflammatory genes (VCAM‐1 and MCP‐1) in the aorta wall. Contrary to our hypothesis, low‐aerobic capacity was associated with enhanced aortic endothelial function and NO‐mediated reactivity to insulin, despite increased adiposity and evidence of whole body insulin resistance.Rats selectively bred for low‐aerobic capacity displayed enhanced aortic endothelial function and nitric oxide‐mediated insulin‐stimulated vasorelaxation, despite increased adiposity and evidence of whole body insulin resistance. The vascular reactivity to insulin in high‐intrinsic aerobic capacity rats was independent of nitric oxide. Our findings demonstrate that endothelial and nitric oxide insulin‐mediated vasomotor function in the rat aorta is not always associated with aerobic capacity.Peer Reviewedhttp://deepblue.lib.umich.edu/bitstream/2027.42/112223/1/phy212459.pd
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