Review Article

Recent Clinical and Experimental Advances in Atrial Fibrillation

Table 2

Alteration in MMP and TIMP expression in AF.

AuthorSpeciesDiseases animal modelSampleMMP proteinMMP mRNAMMP activityTIMP proteinTIMP mRNA

NakanoHuman
n = 25
Paroxysmal AF
Chronic AF
RA appendagesMMP9 ↑ (ELISA)MMP9 ↑ (PCR)Active MMP9 ↑
Latent MMP9 ↑
Active MMP1→
Latent MMP1→
Active MMP2→
Latent MMP2→
(western)
TIMP1→ (ELISA)TIMP1→ (PCR)
ClimentHuman
n = 46
Persistent AFBloodMMP1 (ELISA)
GramleyHuman
n = 146
Paroxysmal AF
Persistent AF
RA appendageMMP2,9→MMP2,9→
(PCR)
MMP2,9↑
(zymography)
TIMP1
TIMP2
Mukherjeehuman
n = 23
Chronic AFRA,LA wallRA
MMP1,8↑14
LA
MMP9 ↑
(zymography)
RA
TIMP1,2,3,4→
LATIMP3↑
(Western)
XuHuman
n = 53
DCM, End stage HF with AFAtrial myocardiumMMP2,9↑
(western)
MMP2,9↑
(zymography)
TIMP1→
TIMP2 (western)
MartinHuman
n = 48
Chronic AFBloodMMP1 (ELISA)
Polyakova et al.Human
n = 24
Chronic AFRA appendages
RA free walls
MMP2,9↑
(western)
TIMP1,2↑
TIMP3,4→
(Western)
Kallergis et al.Human
n=70
paroxysmal AF
persistent AF
BloodMMP1↑in paroxysmal versus persistent (ELISA)TIMP1↑
(versus control)
AnneHuman
n = 9
Permanent AFRA, LA appendageMMP1 (western)
(MVS with SR and AF)
MMP9 (zymography)
(MVS with SR and AF)
Khan et al.CanineRV pacingAtrial tissueMMP2,9↑
(zymography)
ChenPigRA pacingAtrial tissueMMP9↑
MMP2→
MMP9↑
MMP2→ (PCR)
TIMP1,3↑
TIMP2→
Boixel et al.RatMILA myocardiumMMP2,7,13↑ (western)MMP2,7↑
(zymography)
TIMP1,2,4→
(western)

MI: myocardial infarction; SR: sinus rhythm; MVS: mitral valve surgery.