Real-time PCR assay for detecting illicit steroid administration in veal calves allows reliable biomarker profiling of formalin-fixed, paraffin-embedded (FFPE) archival tissue samples

被引：9

作者：

Benedetto, Alessandro ^{[1
]}

Pezzolato, Marzia ^{[1
]}

Beltramo, Chiara ^{[1
]}

Audino, Valentina ^{[1
]}

Ingravalle, Francesco ^{[1
]}

Pillitteri, Caterina ^{[2
]}

Foschini, Stefano ^{[3
]}

Peletto, Simone ^{[1
]}

Bozzetta, Elena ^{[1
]}

机构：

[1] Ist Zooprofilatt Sperimentale Piemonte Liguria &, Via Bologna 148, I-10154 Turin, Italy

[2] Direz Gen Sanitd Reg Piemonte, Settore Prevenz & Vet, Corso Regina Margherita 153 Bis, I-10152 Turin, Italy

[3] Direz Gen Sanita Reg Lombardia, Piazza Citta Lombardia 1, I-20124 Milan, Italy

来源：

FOOD CHEMISTRY | 2020年 / 312卷

关键词：

Sex steroids; Illicit treatment; FFPE; Transcriptional; Biomarker; Standardization; RNA; Veal calves; RECEPTOR GENE-EXPRESSION; QUANTITATIVE PCR; SCREENING METHOD; RNA; 17-BETA-ESTRADIOL; DEXAMETHASONE; HISTOPATHOLOGY; IDENTIFICATION; VALIDATION; PROTEIN;

D O I：

10.1016/j.foodchem.2019.126061

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

In the context of mRNA biomarker profiling, formalin fixed paraffin embedded (FFPE) samples represent an interesting source for retrospective analysis. However, the implementation in routine analysis of FFPE samples, following legislation demands for validated and accredited methods, often requires critical revision and optimization. In the frame of an official control program the validation study of a molecular test for detection of sex steroids administration in calves, based on quantification of progesterone-Receptor mRNA in bulbo-urethral gland samples, was performed: analyses were made on FFPE tissues sections routinary used for histological investigations and compared with RNAlater tissue preservation. To overcome the limitations of original assays several modifications were tested. Obtained results confirmed how Progesterone-Receptor assay represent a useful tool to study suspected cases of sex steroid illicit administration in veal calves, complementary to histological and/or immune histochemical investigation, overcoming the limitation of field studies, where optimal pre-analytical condition cannot always be guarantee.

引用

页数：9

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