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Mollica Govoni V, Pigoli C, Brambilla E, Ruiz Sueiro F, Torres Neto R, Gomes Quitzan J, Laufer-Amorim R, Grieco V, Fonseca-Alves C. GATA-3, Caveolin-1 and KI67 Expressions and Their Correlations with Histopathological Variables in Canine Bladder Urothelial Carcinoma. J Comp Pathol 2022. [DOI: 10.1016/j.jcpa.2021.11.068] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Story M, Stringer B, Fonseca-Alves C, Straw R, Laufer-Amorim R, Palmieri C. Establishment and CharacteriZation of a New Canine Prostate Cancer Cell Line (Kodiak2016). J Comp Pathol 2022. [DOI: 10.1016/j.jcpa.2021.11.140] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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3
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Palmieri C, Foster RA, Grieco V, Fonseca-Alves CE, Wood GA, Culp WTN, Murua Escobar H, De Marzo AM, Laufer-Amorim R. Histopathological Terminology Standards for the Reporting of Prostatic Epithelial Lesions in Dogs. J Comp Pathol 2019; 171:30-37. [PMID: 31540623 DOI: 10.1016/j.jcpa.2019.07.005] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2019] [Revised: 07/02/2019] [Accepted: 07/09/2019] [Indexed: 01/08/2023]
Abstract
The terminology applied to canine prostatic epithelial lesions, especially carcinomas, is currently not standardized and this hampers the ability of pathologists to study the biological and clinical significance of these lesions. The aim of this review is to present the essential histomorphological diagnostic attributes of a wide spectrum of prostatic epithelial lesions in dogs. In addition to the traditionally recognized prostatic hyperplasia, hormonal atrophy, prostatitis, squamous metaplasia, adenocarcinoma and transitional cell (urothelial) carcinoma, new entities are described and discussed in order to provide veterinary pathologists with a basic atlas of common histological lesions of the canine prostate that is comprehensive and easy to use.
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Affiliation(s)
- C Palmieri
- School of Veterinary Science, The University of Queensland, Gatton Campus, Queensland, Australia.
| | - R A Foster
- Department of Pathobiology, Ontario Veterinary College, University of Guelph, Guelph, Ontario, Canada
| | - V Grieco
- Department of Veterinary Science and Public Health, University of Milan, Italy
| | - C E Fonseca-Alves
- School of Veterinary Medicine and Animal Science, São Paulo State University, Botucatu, Brazil
| | - G A Wood
- Department of Pathobiology, Ontario Veterinary College, University of Guelph, Guelph, Ontario, Canada
| | - W T N Culp
- Department of Surgical and Radiological Sciences, University of California-Davis, School of Veterinary Medicine, California, USA
| | - H Murua Escobar
- Clinic for Hematology, Oncology and Palliative Care, University Medical Center, Rostock, Germany
| | - A M De Marzo
- School of Medicine, Johns Hopkins University, Baltimore, USA
| | - R Laufer-Amorim
- School of Veterinary Medicine and Animal Science, São Paulo State University, Botucatu, Brazil
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Story M, Fonseca-Alves C, Stringer B, Straw R, De Marzo A, Laufer-Amorim R, Palmieri C. Immunophenotype of proliferative inflammatory atrophy (PIA) in the canine prostate. J Comp Pathol 2019. [DOI: 10.1016/j.jcpa.2018.10.035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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5
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Raposo-Ferreira TMM, Bueno RC, Terra EM, Avante ML, Tinucci-Costa M, Carvalho M, Cassali GD, Linde SD, Rogatto SR, Laufer-Amorim R. Downregulation of ATM Gene and Protein Expression in Canine Mammary Tumors. Vet Pathol 2016; 53:1154-1159. [DOI: 10.1177/0300985816643367] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The ataxia telangiectasia mutated ( ATM) gene encodes a protein associated with DNA damage repair and maintenance of genomic integrity. In women, ATM transcript and protein downregulation have been reported in sporadic breast carcinomas, and the absence of ATM protein expression has been associated with poor prognosis. The aim of this study was to evaluate ATM gene and protein expression in canine mammary tumors and their association with clinical outcome. ATM gene and protein expression was evaluated by reverse transcription-quantitative polymerase chain reaction and immunohistochemistry, respectively, in normal mammary gland samples (n = 10), benign mammary tumors (n = 11), nonmetastatic mammary carcinomas (n = 19), and metastatic mammary carcinomas (n = 11). Lower ATM transcript levels were detected in benign mammary tumors and carcinomas compared with normal mammary glands ( P = .011). Similarly, lower ATM protein expression was observed in benign tumors ( P = .0003), nonmetastatic mammary carcinomas ( P < .0001), and the primary sites of metastatic carcinomas ( P < .0001) compared with normal mammary glands. No significant differences in ATM gene or protein levels were detected among benign tumors and nonmetastatic and metastatic mammary carcinomas ( P > .05). The levels of ATM gene or protein expression were not significantly associated with clinical and pathological features or with survival. Similar to human breast cancer, the data in this study suggest that ATM gene and protein downregulation is involved in canine mammary gland tumorigenesis.
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Affiliation(s)
| | - R. C. Bueno
- Department of Urology, Faculty of Medicine, UNESP, Botucatu, São Paulo, Brazil
| | - E. M. Terra
- Department of Veterinary Clinic and Surgery, UNESP, Jaboticabal, São Paulo, Brazil
| | - M. L. Avante
- Department of Veterinary Clinic and Surgery, UNESP, Jaboticabal, São Paulo, Brazil
| | - M. Tinucci-Costa
- Department of Veterinary Clinic and Surgery, UNESP, Jaboticabal, São Paulo, Brazil
| | - M. Carvalho
- Department of Veterinary Clinic, UNESP, Botucatu, São Paulo, Brazil
| | - G. D. Cassali
- Department of General Pathology, Institute of Biological Sciences, Federal University of Minas Gerais (UFMG), Belo Horizonte, Brazil
| | - S. D. Linde
- Department of Urology, Faculty of Medicine, UNESP, Botucatu, São Paulo, Brazil
| | - S. R. Rogatto
- Department of Urology, Faculty of Medicine, UNESP, Botucatu, São Paulo, Brazil
- Neogene Laboratory, CIPE, A.C. Camargo Cancer Center, São Paulo, Brazil
| | - R. Laufer-Amorim
- Department of Veterinary Clinic, UNESP, Botucatu, São Paulo, Brazil
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Hood G, Laufer-Amorim R, Fonseca-Alves CE, Palmieri C. Overexpression of Ephrin A3 Receptor in Canine Prostatic Carcinoma. J Comp Pathol 2016; 154:180-5. [PMID: 26895888 DOI: 10.1016/j.jcpa.2016.01.002] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2015] [Revised: 12/21/2015] [Accepted: 01/05/2016] [Indexed: 11/29/2022]
Abstract
Ephrin A3 (EphA3), a member of the ephrin receptor tyrosine kinase family, is involved in a variety of functions in normal cells, especially during embryonic development, and alterations in its expression profile have been observed in several human cancers. However, there are no reports of the expression of EphA3 in normal, hyperplastic or neoplastic canine prostate tissue or in other types of canine tumours. Six normal, 15 hyperplastic and 21 neoplastic canine prostates were examined immunohistochemically with a polyclonal antibody specific for human EphA3. The percentage of positive cells in all prostatic carcinomas was increased, with a mean of 89.28 ± 5.18% compared with normal (9.17 ± 6.72%) and hyperplastic prostates (20.00 ± 8.28%). EphA3 expression was not correlated with the histological subtypes of prostate cancer or with the Gleason score. The increase in EphA3 expression in canine prostatic carcinomas suggests the involvement of this receptor in prostatic carcinogenesis and its potential use as a target for new therapeutic strategies.
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Affiliation(s)
- G Hood
- School of Veterinary Science, The University of Queensland, Gatton Campus, Gatton, Queensland, Australia
| | - R Laufer-Amorim
- School of Veterinary Medicine and Animal Science, University Estadual Paulista, Botucatu, São Paulo, Brazil
| | - C E Fonseca-Alves
- School of Veterinary Medicine and Animal Science, University Estadual Paulista, Botucatu, São Paulo, Brazil
| | - C Palmieri
- School of Veterinary Science, The University of Queensland, Gatton Campus, Gatton, Queensland, Australia.
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Ferreira MGPA, Reis Filho NP, Pascoli AL, Arosti BM, Pazzini JM, Huppes RR, De Nardi AB, Tinucci-Costa M, Laufer-Amorim R. The importance of the PI3K/AKT/mTOR signaling pathway in canine neoplasms: Literature review. ACTA ACUST UNITED AC 2016. [DOI: 10.4067/s0301-732x2016000200002] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Rodrigues MMP, Rema A, Gartner MF, Laufer-Amorim R. Role of adhesion molecules and proliferation hyperplasic, pre neoplastic and neoplastic lesions in canine prostate. Pak J Biol Sci 2013; 16:1324-1329. [PMID: 24511741 DOI: 10.3923/pjbs.2013.1324.1329] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
E-cadherin and beta-catenin are component of adherens junctions in epithelial cells. Loss of these proteins have been associated with progression of prostatic diseases. We performed immunohistochemistry for E-cadherin, beta-catenin and Ki-67 on canine prostatic lesions. We analyzed the expression of these antibodies in benign prostatic hyperplasia (BPH, n = 22), in pre neoplastic lesions Prostatic Intra-epithelial Neoplasia (PIN), n = 3 and Prostatic Inflammatory Atrophy (PIA), n = 7 and prostate carcinoma (PC, n = 10). In this study, a membranous expression of E-cadherin and beta-catenin and nuclear expression of Ki-67 antigen were demonstrated. The proliferative index was statistically different between carcinomas and BPH and carcinomas and pre-neoplastic lesions. Like in men, the reduction of E-cadherin and increase of Ki-67 expression in neoplastic lesions in dog prostate may be related to the carcinogenic process in this gland.
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Affiliation(s)
| | - A Rema
- Institute of Biomedical Sciences of Abel Salazar, University of Porto, Portugal
| | - M F Gartner
- Institute of Biomedical Sciences of Abel Salazar, University of Porto, Portugal
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Ribeiro AA, Martin I, Derussi AAP, Ferioli RB, Laufer-Amorim R, Lopes MD. Histological characterization and immunohistochemical localization of ki-67 and VEGF factors in bitches' corpus luteum at cyclic and early and late gestational diestrous. Reprod Domest Anim 2013; 47 Suppl 6:61-5. [PMID: 23279467 DOI: 10.1111/rda.12056] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The luteal phase on pregnant and non-pregnant bitches is characteristic of this species and resembles significantly with respect to the growth pattern and luteal regression. Histological and immunostaining studies of the corpus luteum (CL) may help to elucidate differences between the CL of pregnant and non-pregnant bitches. The purpose of this study was to characterize histologically and localize by immunohistochemistry the cell proliferation (Ki-67) and vascular endothelial growth (VEGF) factors in the CL of pregnant and non-pregnant bitches. Eighteen bitches were analysed and distributed into three groups: In group I (gestational diestrous), seven bitches were subjected to two inseminations at 4 and 6 days after the pre-ovulatory LH surge and ovariohysterectomized (OSH) at 8-21 days after the first insemination. In group II (cyclic diestrous; control), 6 (Ki-67) or 8 (VEGF) bitches that were determined as non-pregnant were OSH at 12-25 days of the pre-ovulatory LH surge. In group III (late pregnancy), three bitches had their ovary removed during caesarean section at 62-64 days after the pre-ovulatory LH surge. Portions of the ovarian cortex containing CLs were cut and stored for histological and immunohistochemical analysis. Histological evaluation of the ovarian cortex showed a marked similarity in the morphological pattern among the CLs in all three groups. The morphology and expression pattern of VEGF and Ki-67 factors in CLs of cyclic and gestational diestrous bitches were similar but significantly lower than that of late pregnant bitches (p < 0.05).
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Affiliation(s)
- A A Ribeiro
- Department of Animal Reproduction and Veterinary Radiology, College of Veterinary Medicine and Animal Science, UNESP, Botucatu, Sao Paulo, Brazil
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10
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Lima R, Martin I, Marques Filho W, Rodrigues M, Laufer-Amorim R, Ferreira J. Detecção imunoistoquímica de receptores de estrógeno e progesterona no endométrio de vacas Nelore (Bos taurus indicus) durante o anestro pós-parto. ARQ BRAS MED VET ZOO 2011. [DOI: 10.1590/s0102-09352011000400001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Foram utilizadas 24 vacas Nelore P.O., em anestro pós-parto, diagnosticado pelo histórico reprodutivo, por avaliações ultrassonográficas transretais e por dosagem de progesterona plasmática, que foram submetidas à colheita de fragmento uterino via transcervical. Os animais foram divididos em dois grupos conforme o máximo diâmetro folicular: grupo 1: folículos <6mm (n=12); grupo 2: folículos >6mm (n=12). Para avaliar receptor de estrógeno e receptor de progesterona no epitélio glandular e no estroma, foi utilizada a técnica de imunoistoquímica. Altas contagens relativas e alta intensidade de marcação para receptor de estrógeno e progesterona no epitélio glandular e no estroma foram observadas nos dois grupos. No entanto, a intensidade de marcação para o receptor de progesterona no epitélio glandular foi mais alta no grupo 2 comparado ao grupo 1. Quando o epitélio glandular e o estroma foram comparados, o número relativo de receptor de estrógeno no grupo 1 foi mais alto no epitélio glandular comparado ao estroma, e a intensidade de marcação para o receptor de progesterona no grupo 2 foi mais alta no epitélio glandular comparado ao estroma. Os resultados sugerem que os mecanismos que controlam a expressão de receptores no anestro são semelhantes aos observados durante o ciclo estral.
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Pimenta-Oliveira A, Oliveira-Filho J, Cagnini D, Badial P, Cisneros-Álvarez E, Laufer-Amorim R, Prestes N. Squamous cell carcinoma in vaginal fundus in a Brahman cow. ARQ BRAS MED VET ZOO 2011. [DOI: 10.1590/s0102-09352011000300030] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
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12
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Sinzato Y, Damasceno D, Laufer-Amorim R, Rodrigues M, Oshiiwa M, Taylor K, Rudge M. Plasma concentrations and placental immunostaining of interleukin-10 and tumornecrosis factor-α as predictors of alterations in the embryo-fetal organism and the placental development of diabetic rats. Braz J Med Biol Res 2011; 44:206-11. [DOI: 10.1590/s0100-879x2011007500015] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2010] [Accepted: 01/06/2011] [Indexed: 11/22/2022] Open
Affiliation(s)
| | | | | | | | - M. Oshiiwa
- Centro Estadual de Tecnologia e Educação Paula Souza, Faculdade de Tecnologia, Brasil
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13
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Rodrigues MMP, Rema A, Gärtner F, Soares FA, Rogatto SR, De Mour VMBD, Laufer-Amorim R. Overexpression of vimentin in canine prostatic carcinoma. J Comp Pathol 2010; 144:308-11. [PMID: 20961558 DOI: 10.1016/j.jcpa.2010.08.016] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2010] [Revised: 06/29/2010] [Accepted: 08/30/2010] [Indexed: 10/18/2022]
Abstract
Canine prostatic tumours exhibit similarities to those of man and may represent a useful model system to explore the mechanisms of cancer progression. Tumour progression to malignancy requires a change from an epithelial phenotype to a fibroblastic or mesenchymal phenotype. Vimentin expression is associated with the invasive phenotype of human prostate cancer cells. The aim of the present study was to characterize immunohistochemically the expression of vimentin by canine prostatic carcinomas. Primary carcinomas and metastatic tumour foci both showed vimentin expression. This finding suggests that the acquisition of the epithelial-mesenchymal transition phenotype in canine prostatic carcinoma may be characterized by the presence of mesenchymal intermediate filament (vimentin) that could lead to a higher likelihood of metastasis.
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Affiliation(s)
- M M P Rodrigues
- Department of Clinical Veterinary Medicine, São Paulo State University (UNESP), Botucatu, Brazil
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Matsuzaki P, Cogliati B, Sanches DS, Chaible LM, Kimura KC, Silva TC, Real-Lima MA, Hernandez-Blazquez FJ, Laufer-Amorim R, Dagli MLZ. Immunohistochemical characterization of canine prostatic intraepithelial neoplasia. J Comp Pathol 2009; 142:84-8. [PMID: 19643431 DOI: 10.1016/j.jcpa.2009.06.005] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2008] [Revised: 06/01/2009] [Accepted: 06/17/2009] [Indexed: 10/20/2022]
Abstract
The development of prostate cancer is believed to be a multistep process, progressing sequentially from normal epithelium, to prostatic intraepithelial neoplasia (PIN) and, finally, to invasive neoplasia. Malignant stem cells within the basal cell layer of the prostatic epithelium are believed to play an important role in the failure of androgen-ablation therapy that occurs in the most advanced form of prostate cancer. The aim of the present study was to immunohistochemically characterize the lesions of canine PIN. Prostatic tissue from five dogs with PIN was compared with normal prostate tissue from nine further dogs. There was an increase in the number of basal epithelial cells in lesions consistent with PIN as defined by expression of the nuclear protein p63. These lesions had elevated expression of proliferating cell nuclear antigen (PCNA) and heterogeneous labelling for the nuclear androgen receptor (AR). These findings suggest that the basal cells present in PIN may play a role in canine prostate carcinogenesis and that the proliferation of these cells occurs despite the heterogeneous expression of the AR.
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Affiliation(s)
- P Matsuzaki
- Laboratory of Experimental and Comparative Oncology, Department of Pathology, Brazil
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15
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Martin I, Torres Neto R, Oba E, Buratini Jr J, Binelli M, Laufer-Amorim R, Ferreira JCP. Immunohistochemical Detection of Receptors for Oestrogen and Progesterone in Endometrial Glands and Stroma during the Oestrous Cycle in Nelore (Bos taurus indicus) Cows. Reprod Domest Anim 2008; 43:415-21. [DOI: 10.1111/j.1439-0531.2007.00928.x] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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