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Acta cir. bras ; 26(supl.2): 106-110, 2011. ilus
Article in English | LILACS | ID: lil-602653

ABSTRACT

PURPOSE: To present fundamental anatomical aspects and technical skills necessary to urethra and urinary bladder catheterization in female mice and rats. METHODS: Urethral and bladder catheterization has been widely utilized for carcinogenesis and cancer research and still remains very useful in several applications: from toxicological purposes as well as inflammatory and infectious conditions to functional aspects as bladder dynamics and vesicoureteral reflux, among many others. RESULTS: Animal models are in the center of translational research and those involving rodents are the most important nowadays due to several advantages including human reproducibility, easy handling and low cost. CONCLUSIONS: Although technical and anatomical pearls for rodent urethral and bladder access are presented as tackles to the advancement of lower urinary tract preclinical investigation in a broaden sight, restriction to female animals hampers the male microenvironment, demanding future advances.


OBJETIVO: Apresentar aspectos anatômicos fundamentais e habilidades técnicas necessárias para cateterismo da uretra e bexiga em ratos e camundongos fêmeas. MÉTODOS: Cateterismo vesical tem sido amplamente utilizado na pesquisa do câncer e carcinogênese, além de várias outras aplicações, desde fins toxicológicos, condições inflamatórias e infecciosas até aspectos funcionais como a dinâmica vesical e refluxo vesico-ureteral, entre muitos outros. RESULTADOS: Os modelos animais estão no centro da investigação de translação e os roedores são os mais importantes devido a várias vantagens, incluindo reprodutibilidade humana, o fácil manuseio e baixo custo. CONCLUSÕES: Apesar de permitir o desenvolvimento da investigação pré-clínica do trato urinário inferior, o modelo se restringe aos animais do sexo feminino, de modo que avanços futuros são necessários.


Subject(s)
Animals , Female , Mice , Rats , Models, Animal , Urethra/anatomy & histology , Urinary Bladder/anatomy & histology , Urinary Catheterization/methods , Medical Illustration , Reproducibility of Results , Sex Factors , Urinary Catheterization/instrumentation
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