2001
DOI: 10.1016/s0041-1345(00)02704-4
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Predialysis immunosuppression is an independent risk factor for some cancers in renal transplantation

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Cited by 5 publications
(3 citation statements)
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“…Age, time on dialysis and donor-kidney source were categorized, and era of transplantation was examined as a continuous variable and then dichotomized at 1985, the year of introduction of the calcineurin inhibitor cyclosporin and near uniform change in immunosuppression therapy in Australia and New Zealand. Cause of ESKD was divided into three groups: glomerulonephritis/IgA nephropathy, diabetes mellitus and other causes, because previous published data have suggested that those with glomerular causes of ESKD are at greater risk, and those with diabetes at lesser risk of post-transplant cancers (14,23,24). The effect of graft failure on persisting cancer risk was modeled using a categorical timedependent covariate from the date of return to dialysis.…”
Section: Methodsmentioning
confidence: 99%
“…Age, time on dialysis and donor-kidney source were categorized, and era of transplantation was examined as a continuous variable and then dichotomized at 1985, the year of introduction of the calcineurin inhibitor cyclosporin and near uniform change in immunosuppression therapy in Australia and New Zealand. Cause of ESKD was divided into three groups: glomerulonephritis/IgA nephropathy, diabetes mellitus and other causes, because previous published data have suggested that those with glomerular causes of ESKD are at greater risk, and those with diabetes at lesser risk of post-transplant cancers (14,23,24). The effect of graft failure on persisting cancer risk was modeled using a categorical timedependent covariate from the date of return to dialysis.…”
Section: Methodsmentioning
confidence: 99%
“…48,54,55 pacientes, e sua importância é tão maior quanto for a duração e a intensidade da terapia. [22][23][24]26,[32][33][34][35][36][37][38][39][40] Como citado anteriormente, a imunossupressão ativa oncovírus latentes e aumenta a sensibilidade celular aos agentes químicos e à radiação ultravioleta, através da diminuição da vigilância imunológica dos "natural killers". 1 Daí o expressivo aumento dos tumores relacionados aos vírus e à luz solar, como os de pele, os linfomas não-Hodgkin, os vulvares e os hepáticos, os quais são raros na população não-transplantada.…”
Section: Discussionunclassified
“…Além disso, são de consenso geral que a duração e a intensidade da imunossupressão representam importantes fatores de risco para o desenvolvimento e a progressão das neoplasias. [22][23][24]26,[32][33][34][35][36][37][38][39][40] Algumas drogas por si sós possuem efeitos oncogênicos, como a azatioprina e a ciclosporina A, sabendo-se que a primeira pode causar fraturas cromossômicas e prejudicar a transmissão genética celular e a segunda pode promover o crescimento tumoral, já que aumenta a produção do fator transformador de crescimento β1, além de aumentar o risco de metástases. De fato, os mecanismos de reparo do DNA celular apresentamse até 35% mais inibidos nos esquemas de imunossupressão com as três drogas (azatioprina, corticóides e ciclosporina) do que em grupos controles.…”
Section: Freqüência De Câncer De Próstata Em Pacientes Transplantados...unclassified