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DC Field | Value | Language |
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dc.contributor | Sistema FMUSP-HC: Faculdade de Medicina da Universidade de São Paulo (FMUSP) e Hospital das Clínicas da FMUSP | - |
dc.contributor.author | CARVALHO, Katia C. | - |
dc.contributor.author | MAIA, Beatriz M. | - |
dc.contributor.author | OMAE, Samantha V. | - |
dc.contributor.author | ROCHA, Antonio A. | - |
dc.contributor.author | COVIZZI, Luiz P. | - |
dc.contributor.author | VASSALLO, Jose | - |
dc.contributor.author | ROCHA, Rafael M. | - |
dc.contributor.author | SOARES, Fernando A. | - |
dc.date.accessioned | 2014-04-28T22:05:42Z | - |
dc.date.available | 2014-04-28T22:05:42Z | - |
dc.date.issued | 2014 | - |
dc.identifier.citation | ACTA HISTOCHEMICA, v.116, n.1, p.25-31, 2014 | - |
dc.identifier.issn | 0065-1281 | - |
dc.identifier.uri | https://observatorio.fm.usp.br/handle/OPI/5460 | - |
dc.description.abstract | There is a lack of standardization of a best practice protocol for Phosphatase and Tensin Homolog (PTEN) assessment by immunohistochemistry in anatomic pathology routine practice. We performed immunohistochemistry for 19 antibodies against PTEN, eleven of which were excluded during the standardization step. Immunohistochemistry of the remaining eight antibodies was performed on a Tissue Microarray containing 55 prostate and 40 renal carcinoma samples. Fluorescent in situ hybridization (FISH) was used as reference standard for immunohistochemistry specificity evaluation. Concerning nuclear staining, polyclonal (Cat#22034-1-AP); 6H2.1 mMAb (Cat#ABM-2052), Y184 RabMAb (Cat#NB110-57441) and 217702 mMAb antibodies presented the highest agreement with fluorescent in situ hybridization (p<0.001 for all) and with regard to cytoplasmic staining, Y184 RabMAb (Cat#NB110-57441); polyclonal (Cat#22034-1-AP) and 217702 mMAb presented the highest agreement (p < 0.001 for all). Our results indicate that several commercially available antibodies do not show reliability of sensitivity and specificity for PTEN evaluation and we propose 6H2.1 mMAb (Cat#ABM-2052) as the antibody of choice for laboratory standardization and best practice in clinical routine, which demonstrated excellent sensitivity for both nuclear and cytoplasmic staining, specificity for PTEN by Western blot and good correlation with PTEN status by FISH with regard to nuclear staining. | - |
dc.description.sponsorship | CNPq (Conselho Nacional de Desenvolvimento Cientifico e Tecnologico) | - |
dc.description.sponsorship | Fundacao de Amparo a Pesquisa do Estado de Sao Paulo (FAPESP) | - |
dc.language.iso | eng | - |
dc.publisher | ELSEVIER GMBH, URBAN & FISCHER VERLAG | - |
dc.relation.ispartof | Acta Histochemica | - |
dc.rights | restrictedAccess | - |
dc.subject | PTEN | - |
dc.subject | Immunohistochemistry | - |
dc.subject | Fluorescent in situ hybridization | - |
dc.subject | Human | - |
dc.subject | Prostatic neoplasm | - |
dc.subject | Renal cell carcinoma | - |
dc.subject.other | carcinoma | - |
dc.subject.other | fish | - |
dc.title | Best practice for PTEN gene and protein assessment in anatomic pathology | - |
dc.type | article | - |
dc.rights.holder | Copyright ELSEVIER GMBH, URBAN & FISCHER VERLAG | - |
dc.identifier.doi | 10.1016/j.acthis.2013.04.013 | - |
dc.identifier.pmid | 23746542 | - |
dc.subject.wos | Cell Biology | - |
dc.type.category | original article | - |
dc.type.version | publishedVersion | - |
hcfmusp.author.external | MAIA, Beatriz M.:Hosp AC Camargo Fund Antonio Prudente, Antonio Prudente Fdn, Res Ctr, Sao Paulo, Brazil | - |
hcfmusp.author.external | OMAE, Samantha V.:Hosp AC Camargo Fund Antonio Prudente, Antonio Prudente Fdn, Res Ctr, Sao Paulo, Brazil | - |
hcfmusp.author.external | ROCHA, Antonio A.:Univ Fed Sao Paulo, Dept Microbiol Immunol & Parasitol, Sao Paulo, Brazil | - |
hcfmusp.author.external | COVIZZI, Luiz P.:Hosp AC Camargo Fund Antonio Prudente, Dept Anat Pathol, Sao Paulo, Brazil | - |
hcfmusp.author.external | VASSALLO, Jose:Hosp AC Camargo Fund Antonio Prudente, Dept Anat Pathol, Sao Paulo, Brazil | - |
hcfmusp.author.external | ROCHA, Rafael M.:Hosp AC Camargo Fund Antonio Prudente, Antonio Prudente Fdn, Res Ctr, Sao Paulo, Brazil; Hosp AC Camargo Fund Antonio Prudente, Dept Anat Pathol, Sao Paulo, Brazil | - |
hcfmusp.author.external | SOARES, Fernando A.:Hosp AC Camargo Fund Antonio Prudente, Antonio Prudente Fdn, Res Ctr, Sao Paulo, Brazil; Hosp AC Camargo Fund Antonio Prudente, Dept Anat Pathol, Sao Paulo, Brazil | - |
hcfmusp.description.beginpage | 25 | - |
hcfmusp.description.endpage | 31 | - |
hcfmusp.description.issue | 1 | - |
hcfmusp.description.volume | 116 | - |
hcfmusp.origem | WOS | - |
hcfmusp.origem.id | 2-s2.0-84894899325 | - |
hcfmusp.origem.id | WOS:000331671300005 | - |
hcfmusp.publisher.city | JENA | - |
hcfmusp.publisher.country | GERMANY | - |
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dc.description.index | MEDLINE | - |
dc.identifier.eissn | 1618-0372 | - |
hcfmusp.remissive.sponsorship | CNPq | - |
hcfmusp.remissive.sponsorship | FAPESP | - |
hcfmusp.citation.scopus | 12 | - |
hcfmusp.scopus.lastupdate | 2024-03-29 | - |
Appears in Collections: | Artigos e Materiais de Revistas Científicas - LIM/58 Artigos e Materiais de Revistas Científicas - ODS/03 |
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art_CARVALHO_Best_practice_for_PTEN_gene_and_protein_assessment_2014.PDF Restricted Access | publishedVersion (English) | 1.48 MB | Adobe PDF | View/Open Request a copy |
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