Article (Scientific journals)
Microproteomic Profiling of High-Grade Squamous Intraepithelial Lesion of the Cervix: Insight into Biological Mechanisms of Dysplasia and New Potential Diagnostic Markers
Pottier, Charles; Kriegsmann, M.; Alberts, D. et al.
2019In Proteomics. Clinical Applications, 13(1)
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Abstract :
[en] Purpose: High-grade squamous intraepithelial lesion (HSIL) is a known precursor for squamous cell carcinoma of uterine cervix. Although it is known that SILs are associated to infection by human papillomavirus, downstream biological mechanisms are still poorly described. In this study, we compared the microproteomic profile of HSIL to normal tissues: ectocervix (ectoC) and endocervix (endoC). Experimental design: Tissue regions of endoC, ectoC, and HSlL were collected by laser microdissection (3500 cells each) from five patients. Samples were processed and analyzed using our recently developed laser microdissection-based microproteomic method. Tissues were compared in order to retrieve HSIL's proteomic profile. Potentially interesting proteins for pathology were stained by immunohistochemistry. Results: We identified 3072 proteins among the fifteen samples and 2386 were quantified in at least four out of the five biological replicates of at least one tissue type. We found 236 proteins more abundant in HSIL. Gene ontology enrichments revealed mechanisms of DNA replication and RNA splicing. Despite the squamous nature of HSIL, a common signature between HSIL and endoC could be found. Finally, potential new markers could support diagnosis of dysplasia in SILs. Conclusion and clinical relevance: This microproteomic investigation of HSIL gives insights into the biology of cervical precancerous lesions. © 2018 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
Disciplines :
Oncology
Author, co-author :
Pottier, Charles  ;  Université de Liège - ULiège > Département des sciences biomédicales et précliniques > Biologie cellulaire et moléculaire
Kriegsmann, M.;  Institute of pathology, University of Heidelberg, Heidelberg, Germany
Alberts, D.;  Mass Spectrometry Laboratory, GIGA-Research, Department of Chemistry, University of Liège, Liège, Belgium
Smargiasso, Nicolas ;  Université de Liège - ULiège > Département de chimie (sciences) > Laboratoire de spectrométrie de masse (L.S.M.)
Baiwir, Dominique  ;  Université de Liège - ULiège > GIGA-Technology platforms : Plate-forme protéomique
Mazzucchelli, Gabriel  ;  Université de Liège - ULiège > Département de chimie (sciences) > Laboratoire de spectrométrie de masse (L.S.M.)
Herfs, Michael ;  Université de Liège - ULiège > Département des sciences biomédicales et précliniques > Anatomie et cytologie pathologiques
Fresnais, M.;  Department of Clinical Pharmacology and Pharmacoepidemiology, University of Heidelberg, Heidelberg, Germany, German Cancer Consortium (DKTK)-German Cancer Research Center (DKFZ), Heidelberg, Germany
Casadonte, R.;  Proteopath GmbH, Trier, Germany
Delvenne, Philippe ;  Université de Liège - ULiège > Département des sciences biomédicales et précliniques > Anatomie et cytologie pathologiques
De Pauw, Edwin  ;  Université de Liège - ULiège > Département de chimie (sciences) > Chimie analytique inorganique
Longuespée, Rémi ;  Université de Liège - ULiège > Département de chimie (sciences) > Center for Analytical Research and Technology (CART)
Title :
Microproteomic Profiling of High-Grade Squamous Intraepithelial Lesion of the Cervix: Insight into Biological Mechanisms of Dysplasia and New Potential Diagnostic Markers
Publication date :
2019
Journal title :
Proteomics. Clinical Applications
ISSN :
1862-8346
eISSN :
1862-8354
Publisher :
Wiley-VCH Verlag
Volume :
13(1)
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 04 February 2019

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