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Related Experiment Video

Updated: Jun 19, 2026

Skeletal Phenotype Analysis of a Conditional Stat3 Deletion Mouse Model

Skeletal Phenotype Analysis of a Conditional Stat3 Deletion Mouse Model

Published on: July 3, 2020

A functional polymorphism in MMP1 could influence osteomyelitis development.

Angel Hugo Montes¹, Eulalia Valle-Garay, Victoria Alvarez

¹Departamento de Bioquímica y Biologia Molecular, Facultad de Medicina, Universidad de Oviedo, Oviedo, Spain.

Journal of Bone and Mineral Research : the Official Journal of the American Society for Bone and Mineral Research

|October 14, 2009

Summary

The MMP1 gene polymorphism (2G allele) is linked to osteomyelitis (OM), a bone infection. This genetic factor may increase MMP-1 production in bone cells, potentially contributing to disease development.

Related Experiment Videos

Last Updated: Jun 19, 2026

Skeletal Phenotype Analysis of a Conditional Stat3 Deletion Mouse Model

Skeletal Phenotype Analysis of a Conditional Stat3 Deletion Mouse Model

Published on: July 3, 2020

Area of Science:

Genetics
Bone Biology
Infectious Diseases

Background:

Osteomyelitis (OM) is a serious bone infection involving bone remodeling.
Matrix metalloproteinases (MMPs) are crucial enzymes in bone extracellular matrix remodeling.
Genetic variations (polymorphisms) in MMP genes may influence susceptibility to OM.

Purpose of the Study:

To investigate the association between MMP1 and MMP13 gene polymorphisms and osteomyelitis.
To determine the levels of MMPs and tissue inhibitors of metalloproteinases (TIMPs) in OM patients.
To explore the role of interleukin-1alpha (IL-1alpha) in regulating MMP expression in OM.

Main Methods:

Genotyping of 118 OM patients and 300 controls for MMP1 (-1607 1G/2G) and MMP13 (-77A/G) polymorphisms.
Measurement of serum and osteoblast MMPs and TIMPs levels.
Assessment of IL-1alpha effects on osteoblast MMP secretion and mRNA expression.

Main Results:

The MMP1 (-1607 2G/2G) genotype and 2G allele were significantly more frequent in OM patients.
Carriers of the MMP1 2G allele exhibited higher osteoblast MMP1 mRNA and serum MMP-1 levels.
IL-1alpha stimulation increased MMP-1 and MMP-13 secretion and Ets1 mRNA expression in OM osteoblasts.

Conclusions:

The MMP1 (-1607 1G/2G) polymorphism is associated with osteomyelitis and may contribute to its pathogenesis.
Increased MMP-1 expression by osteoblasts, potentially regulated by IL-1alpha, may underlie this association.
MMP13 polymorphism showed no significant association with osteomyelitis in this study.