MMP-26 and TIMP-4 in the Human Endometrium
Matrix Metalloproteinase-26 (MMP-26) and Tissue Inhibitor of Metalloproteinases-4 (TIMP-4) in Normal, Hyperplastic, and Malignant Endometrium
(Sprache: Englisch)
The aim of this work was to study matrix metalloproteinase-26 (MMP-26) and tissue inhibitor of metalloproteinases-4 (TIMP-4) in the human endometrium. Both these enzymes may be implicated in the implantation process. Trophoblast tissue from human, as well...
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The aim of this work was to study matrix metalloproteinase-26 (MMP-26) and tissue inhibitor of metalloproteinases-4 (TIMP-4) in the human endometrium. Both these enzymes may be implicated in the implantation process. Trophoblast tissue from human, as well as mice embryo produces pro-MMP-9. Active MMP-9 is a proteolytic enzyme with a broad substrate specificity. MMP-26 is an affective activator of pro-MMP-9, and TIMP-4 is a strong inhibitor of MMP-26.We have shown that the endometrial expression of MMP-26 and TIMP-4 genes is maximal in mid-cycle. The expression pattern of both genes suggests their up-regulation by estrogen, and down-regulation by progesterone. This is supported by our findings of estrogen response elements upstream the coding sequences of both genes. Our findings suggest that TIMP-4 is produced in the stroma only, and finally secreted to the uterine fluid. Results of MMP-26 and TIMP-4 expression in hyperplastic tissue are in agreement with estrogen mediated regulation of these genes. MMP-26 and TIMP-4 expression in endometrial cancer decreases with the loss of histological differentiation.
Autoren-Porträt von Radovan Pilka
Medical researcher;born in Uherske Hradiste,CzechRepublic (CR); M.D.UJEP Brno,CZ,1989;Ph.D.PalackyUniversity,Olomouc,CR,2001;Head Physician,Obst/Gyn,UniversityHospital, Olom.,CR,since 2004;Assoc.Prof.Pal.Univ.,Olom.,CR,2005;Ph.D.LundUniv.,Sweden,2006;Deputy Dean study affairs,Pal.Univ.,Olom.,CR,since 2007; Married,Two children.
Bibliographische Angaben
- Autor: Radovan Pilka
- 2008, 100 Seiten, Maße: 22 cm, Kartoniert (TB), Englisch
- Verlag: VDM Verlag Dr. Müller e.K.
- ISBN-10: 3639074483
- ISBN-13: 9783639074482
Sprache:
Englisch
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