scholarly journals Standard techniques for formalin-fixed paraffin-embedded tissue: A Pathologist’s perspective

2021 ◽  
Vol 35 (Supplement I-III) ◽  
pp. 127-135
Author(s):  
Hadil B. Al-Sabaawy ◽  
Asseel M. Rahawi ◽  
Saevan S. Al-Mahmood
Keyword(s):  
Formalin Fixed Paraffin ◽  
Formalin Fixed Paraffin Embedded ◽  
Standard Techniques ◽  
Formalin Fixed

Proteome Analysis of Formalin-Fixed Paraffin-Embedded Tissues from a Primary Gastric Melanoma and its Meningeal Metastasis: A Case Report

2014 ◽  
Vol 14 (3) ◽  
pp. 382-387 ◽  
Author(s):  
Juliana Fischer ◽  
Nathalie Canedo ◽  
Katia Goncalves ◽  
Leila Chimelli ◽  
Monique Franca ◽  
...  
Keyword(s):  
Case Report ◽  
Proteome Analysis ◽  
Formalin Fixed Paraffin ◽  
Formalin Fixed Paraffin Embedded ◽  
Formalin Fixed

scholarly journals Identification and Validation of New Cancer Stem Cell-Related Genes and Their Regulatory microRNAs in Colorectal Cancerogenesis

Biomedicines ◽  
2021 ◽  
Vol 9 (2) ◽  
pp. 179
Author(s):  
Kristian Urh ◽  
Margareta Žlajpah ◽  
Nina Zidar ◽  
Emanuela Boštjančič
Keyword(s):  
Experimental Validation ◽  
Target Gene ◽  
Bioinformatics Analysis ◽  
Early Carcinoma ◽  
Significant Progress ◽  
Formalin Fixed Paraffin ◽  
Formalin Fixed Paraffin Embedded ◽  
Node Metastases ◽  
Formalin Fixed ◽  
Made In

Significant progress has been made in the last decade in our understanding of the pathogenetic mechanisms of colorectal cancer (CRC). Cancer stem cells (CSC) have gained much attention and are now believed to play a crucial role in the pathogenesis of various cancers, including CRC. In the current study, we validated gene expression of four genes related to CSC, L1TD1, SLITRK6, ST6GALNAC1 and TCEA3, identified in a previous bioinformatics analysis. Using bioinformatics, potential miRNA-target gene correlations were prioritized. In total, 70 formalin-fixed paraffin-embedded biopsy samples from 47 patients with adenoma, adenoma with early carcinoma and CRC without and with lymph node metastases were included. The expression of selected genes and microRNAs (miRNAs) was evaluated using quantitative PCR. Differential expression of all investigated genes and four of six prioritized miRNAs (hsa-miR-199a-3p, hsa-miR-335-5p, hsa-miR-425-5p, hsa-miR-1225-3p, hsa-miR-1233-3p and hsa-miR-1303) was found in at least one group of CRC cancerogenesis. L1TD1, SLITRK6, miR-1233-3p and miR-1225-3p were correlated to the level of malignancy. A negative correlation between miR-199a-3p and its predicted target SLITRK6 was observed, showing potential for further experimental validation in CRC. Our results provide further evidence that CSC-related genes and their regulatory miRNAs are involved in CRC development and progression and suggest that some them, particularly miR-199a-3p and its SLITRK6 target gene, are promising for further validation in CRC.

Validation of PD-L1 Immunohistochemical Testing on Formalin Fixed Paraffin Embedded (FFPE) Cell Block (CB) Preparations

2020 ◽  
Vol 9 (6) ◽  
pp. S53-S54
Author(s):  
Priyanka Karam ◽  
Yonah Ziemba ◽  
Sean Hacking ◽  
Karen Chau ◽  
Suganthi Soundararajan ◽  
...  
Keyword(s):  
Cell Block ◽  
Formalin Fixed Paraffin ◽  
Formalin Fixed Paraffin Embedded ◽  
Formalin Fixed ◽  
Immunohistochemical Testing
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