RGD Reference Report - Matrilysin activity in the rat uterus during the oestrous cycle and implantation. - Rat Genome Database

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Matrilysin activity in the rat uterus during the oestrous cycle and implantation.

Authors: Feng, J  Woessner JF, JR  Zhu, C 
Citation: Feng J, etal., J Reprod Fertil. 1998 Nov;114(2):347-50.
RGD ID: 9685349
Pubmed: PMID:10070364   (View Abstract at PubMed)

The objective of this study was to follow changes in the activity of the small matrix metalloproteinase matrilysin (MMP-7) in the rat uterus during the oestrous cycle and embryo implantation. Matrilysin was extracted from rat uteri, partially purified and separated into active and latent forms. The two forms of the enzyme were quantified at all stages of the oestrous cycle and after oestradiol and progesterone treatment. The activity was also measured during the first 7 days of pregnancy. Both latent and active forms of MMP-7 reached a peak during the pro-oestrous stage of the cycle; the concentrations were three times higher than at dioestrus and metoestrus. In rats treated with 0.1 mg oestradiol at metoestrus, both latent and active forms of the enzyme increased by more than two-fold after 24 h. In rats treated at pro-oestrus with 0.4 mg progesterone, there was a 70% increase in latent MMP-7, but no change in the active form. The highest concentrations of MMP-7 were observed on the first day of pregnancy. Between days 3 and 7 of pregnancy, the concentrations were relatively constant and comparable to the low concentrations at dioestrus. Enzyme activities were not different at implantation sites compared with remote sites.

Gene Ontology Annotations    Click to see Annotation Detail View

Biological Process
TermQualifierEvidenceWithReferenceNotesSourceOriginal Reference(s)
estrous cycle  IEP 9685349 RGD 

Objects Annotated

Genes (Rattus norvegicus)
Mmp7  (matrix metallopeptidase 7)


Additional Information