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Title: ProteinChip technology is a useful method in the pathogenesis and diagnosis of endometriosis: a preliminary study
Authors: Kyama, Cleophas M ×
T'Jampens, Davy
Mihalyi, Attila
Simsa, Peter
Debrock, Sophie
Waelkens, Etienne
Landuyt, Bart
Meuleman, Christel
Fulop, Vilmos
Mwenda, Jason M
D'Hooghe, Thomas #
Issue Date: Jul-2006
Publisher: American Society for Reproductive Medicine
Series Title: Fertility and Sterility vol:86 issue:1 pages:203-9
Abstract: OBJECTIVE: To test the feasibility of ProteinChip (Ciphergen Biosystems, Inc., Fremont, CA) technology as a proteomic tool in discovering and identifying proteins that are differentially expressed in endometrium, endometriotic tissue, and normal peritoneum from women with and without endometriosis. DESIGN: Differential analysis of protein expression in women with and without endometriosis. SETTING: University hospital. PATIENT(S): A total of nine patients during their secretory phase (days 20-22) were selected for this study on the basis of cycle phase and presence/or absence of endometriosis. INTERVENTION(S): Twelve tissues used in the study included six endometrial biopsies from women with mild endometriosis (n = 3) and a normal pelvis (n = 3) as well as paired samples of peritoneal endometriotic lesions (n = 3) and macroscopically normal peritoneum biopsies (n = 3) from three women with endometriosis. MAIN OUTCOME MEASURE(S): Numerous expression differences were observed in the above comparisons, representing both up-regulation and down-regulation in protein and peptide expression levels. RESULT(S): Endometrial expression for a number of proteins and peptides in the range of 2.8-12.3 kDa was 3-24 times lower in women with endometriosis than in those without endometriosis. When compared with normal peritoneum, endometriotic lesions showed an increased expression for a set of proteins and peptides in the range of 3-96 kDa, and especially an up-regulated cluster of proteins between 22 and 23 kDa, identified to be transgelin, a smooth muscle actin-binding protein. CONCLUSION(S): This preliminary study demonstrated that differential protein profiling by using ProteinChip array technology is feasible, reproducible, and may be developed into a powerful tool for endometriosis research.
URI: 
ISSN: 0015-0282
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Animal Physiology and Neurobiology Section - miscellaneous
Reproductive Medicine Section (-)
Laboratory of Protein Phosphorylation and Proteomics
Assisted Reproductive Technology Laboratory (-)
Department of Development and Regeneration - miscellaneous (+)
Laboratory of Phosphoproteomics (-)
× corresponding author
# (joint) last author

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