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an assay that shows specific antigens in tissues by the use of markers that are either fluorescent dyes or enzymes (such as horseradish peroxidase)

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Evaluation of signal transducer and activator of transcription 3, phosphorylated signal transducer and activator of transcription 3 and CD163 immunohistochemical staining
Immunohistochemical staining for p53 shows p53 overexpression in the STIC-like tubal lesion (C), but not in the matched endometrial carcinoma (D) (original magnifications X400 [A, C, and D] and X200 [B]).
Additional immunohistochemical stains were performed in order to compare the pattern of staining in the resection to the prior biopsy: "The histomorphology and immunohistochemical staining pattern, including the positive brachyury nuclear expression, were identical to the findings in the core biopsy supporting the diagnosis of dedifferentiated chordoma, extra-axial type," the study concluded.
Results of immunohistochemical staining Immunostain Result Bcl2 Negative c-erbB2 Negative (1+) Cyclin D1 Positive EGFR Positive (2+) Ki-67 60% P53 Positive AMACR Negative CK-7 Negative CK-20 Positive CDX-2 Positive TTF-1 Negative
In addition, positive immunohistochemical staining for c-kit (also known as CD117) compared to mast cells was found in the prostate stroma.
In this study, immunohistochemical staining of grafted vessels was performed, and the results are shown as the IOD/area means (Figure 3(a4)).
Because of the mass behavior in CT and according to microscopic findings we decided to perform immunohistochemical staining which resulted negative to estrogen and progesterone receptors and CD10; positivity for Epithelial Membrane Antigen (EMA) was demonstrated.
On the other hand, immunohistochemical staining of the fetal heart sections with KI67 was done to assess the cellular proliferation.
West Nile virus infection was confirmed using reverse transcriptase-polymerase chain reaction and immunohistochemical staining.
A total of 55 endometrial samples were analysed for morphological features and results of immunohistochemical staining.
Serum levels of CgA were assessed by ELISA method and expression of CgA protein was identified in 26 PNET tissues, including 14 insulinomas, by immunohistochemical staining.
Dating the history of immunohistochemistry (IHC) back to 1941, with the modern era of IHC beginning in the mid-eighties with the invention of antigen retrieval (AR) techniques, Chu and Weise present this concise, updated second edition, which covers the present time of more sensitive polymer detection systems and the automation of immunohistochemical staining.
The immunoassay and the immunohistochemical staining described here feature simple magnetic collection of the beads in a specific space and require no signal amplification step for the detection of biomarkers, thus enabling the analytically sensitive and rapid detection of disease-related biomarkers.
After being removed surgically the histopathology of the specimen sections possessed typical prostatic acini and stroma meanwhile the immunohistochemical staining for prostate specific antigen confirmed its' prostatic nature.