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341 results on '"Rhodes, C. J."'

1. The Opportunistic Transmission of Wireless Worms between Mobile Devices

Author

Rhodes, C. J. and Nekovee, M.

Subjects
Computer Science - Networking and Internet Architecture, Condensed Matter - Statistical Mechanics, Computer Science - Cryptography and Security
Abstract

The ubiquity of portable wireless-enabled computing and communications devices has stimulated the emergence of malicious codes (wireless worms) that are capable of spreading between spatially proximal devices. The potential exists for worms to be opportunistically transmitted between devices as they move around, so human mobility patterns will have an impact on epidemic spread. The scenario we address in this paper is proximity attacks from fleetingly in-contact wireless devices with short-range communication range, such as Bluetooth-enabled smart phones. An individual-based model of mobile devices is introduced and the effect of population characteristics and device behaviour on the outbreak dynamics is investigated. We show through extensive simulations that in the above scenario the resulting mass-action epidemic models remain applicable provided the contact rate is derived consistently from the underlying mobility model. The model gives useful analytical expressions against which more refined simulations of worm spread can be developed and tested., Comment: Submitted for publication

Published
2008
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20. Genetic determinants of risk in pulmonary arterial hypertension: international genome-wide association studies and meta-analysis

Author

Rhodes, C. J., Batai, K., Bleda, M., Haimel, M., Southgate, L., Germain, M., Pauciulo, M. W., Hadinnapola, C., Aman, J., Girerd, B., Arora, A., Knight, J., Hanscombe, K. B., Karnes, J. H., Kaakinen, M., Gall, H., Ulrich, A., Harbaum, L., Cebola, I., Ferrer, J., Lutz, K., Swietlik, E. M., Ahmad, F., Amouyel, P., Archer, S. L., Argula, R., Austin, E. D., Badesch, D., Bakshi, S., Barnett, C., and Benza

Published
2019
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42. Gene and cell-replacement therapy in the treatment of type 1 diabetes: how high must the standards be set?

Author

Halban, Philippe A., Kahn, S. E., Lernmark, A., and Rhodes, C. J.

Subjects
ddc:616, Diabetes Mellitus, Type 1, Islets of Langerhans Transplantation, Animals, Humans, Genetic Therapy, Diabetes Mellitus, Type 1/ therapy, Gene Therapy/standards, Islets of Langerhans Transplantation/standards
Abstract

Recent advances in molecular and cell biology may allow for the development of novel strategies for the treatment and cure of type 1 diabetes. In particular, it is now possible to envisage restoration of insulin secretion by gene or cell-replacement therapy. The beta-cell is, however, remarkably sophisticated, and many of the features of this highly differentiated secretory cell will have to be faithfully mimicked in surrogate cells. In particular, insulin is normally secreted in a well-regulated fashion in rapid response to the metabolic needs of the individual and most specifically (but not exclusively) to changes in circulating levels of glucose. Such regulated secretion will be indispensable in order to avoid both hyper- and hypoglycemic episodes and depends on the ability of cells to store insulin in secretory granules before exocytosis in response to physiological stimuli. Furthermore, any newly created insulin-secreting cell will have to be able to adapt to alterations in insulin requirements that accompany changes with exercise, body weight, and aging. Fine tuning of insulin secretion over the longer term will also be important to avoid "clinical shifting" that could be caused by over-insulinization, including increased adiposity and cardiovascular disease. Finally, it will be necessary to ensure that newly created or implanted (surrogate) beta-cells are protected in some way from recognition by the immune system and in particular from autoimmune destruction.

Published
2001

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