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J.A. Bitencourt

Publications of : J.A. Bitencourt
Human Genetics   Case Reports

Cytogenetic aspects of a canine breast carcinosarcoma - a case report

This study searched a rare and aggressive type of cancer in dogs and humans, the breast carcinosarcoma. Both clinical and pathological traits of mammary carcinosarcomas in dogs are similar to humans, such as infrequent occurrence, fast tumor growth, and unfavorable prognosis when compared to carcinomas. Other possible alterations include chromosomal abnormalities th.. Read More»

Genet. Mol. Res. 16(2): gmr16029433

DOI: 10.4238/gmr16029433

Microbial Genetics   Research Article

Direct preparation protocol to obtain mitotic chromosomes from canine mammary tumors

    C.S.D. Morais, P.R.A.M. Affonso, J.A. Bitencourt and A.A. Wenceslau

Currently, mammary neoplasms in female canines are a serious problem in veterinary clinics. In addition, the canine species is an excellent disease model for human oncology because of the biological and genetic similarities between the species. Cytogenetics has allowed further study of the characterization of neoplasms in canines. We hypothesized that the use of a direct preparation protocol fo.. Read More»

Genet. Mol. Res. 14(4): 2015.December.29.49

DOI: 10.4238/2015.December.29.49

Animal Genetics   Research Article

Population divergence and peculiar karyoevolutionary trends in the loricariid fish Hypostomus aff. unae from northeastern Brazil

    J.A. Bitencourt, P.R.A.M. Affonso, L. Giuliano-Caetano, P.L.S. Carneiro and A.L. Dias

Loricariidae (Siluriformes, Hypostominae) is one of the most diverse catfish families. In spite of the wide distribution of loricariids in South America, cytogenetic reports are available for only a few species, mostly from southern and southeastern Brazil. We made the first chromosomal analysis of Hypostomus aff. unae from the Contas River basin in northeastern Bra.. Read More»

Genet. Mol. Res. 11(2): 2012.April.13.1

DOI: 10.4238/2012.April.13.1