2021
Dystrophin Deficiency Causes Progressive Depletion of Cardiovascular Progenitor Cells in the Heart
JELÍNKOVÁ, Šárka, Yvonne SLEIMAN, Petr FOJTÍK, Franck AIMOND, Amanda FINAN et. al.Základní údaje
Originální název
Dystrophin Deficiency Causes Progressive Depletion of Cardiovascular Progenitor Cells in the Heart
Autoři
JELÍNKOVÁ, Šárka (203 Česká republika, domácí), Yvonne SLEIMAN, Petr FOJTÍK (203 Česká republika, domácí), Franck AIMOND, Amanda FINAN, Gerald HUGON, Valerie SCHEUERMANN, Deborah BECKEROVÁ (203 Česká republika, domácí), Olivier CAZORLA, Marie VINCENTI, Pascal AMEDRO, Sylvain RICHARD, Josef JAROŠ (203 Česká republika, domácí), Petr DVOŘÁK (203 Česká republika, domácí), Alain LACAMPAGNE, Gilles CARNAC, Vladimír ROTREKL (203 Česká republika, garant, domácí) a Albano C. MELI
Vydání
International Journal of Molecular Sciences, Basel, MDPI, 2021, 1422-0067
Další údaje
Jazyk
angličtina
Typ výsledku
Článek v odborném periodiku
Obor
10608 Biochemistry and molecular biology
Stát vydavatele
Švýcarsko
Utajení
není předmětem státního či obchodního tajemství
Odkazy
Impakt faktor
Impact factor: 6.208
Kód RIV
RIV/00216224:14110/21:00124183
Organizační jednotka
Lékařská fakulta
UT WoS
000650388200001
Klíčová slova anglicky
duchenne muscular dystrophy; mdx mouse; cardiovascular progenitors; c-kit; genomic instability; dilated cardiomyopathy
Příznaky
Mezinárodní význam, Recenzováno
Změněno: 5. 4. 2022 13:41, Mgr. Tereza Miškechová
Anotace
V originále
Duchenne muscular dystrophy (DMD) is a devastating condition shortening the lifespan of young men. DMD patients suffer from age-related dilated cardiomyopathy (DCM) that leads to heart failure. Several molecular mechanisms leading to cardiomyocyte death in DMD have been described. However, the pathological progression of DMD-associated DCM remains unclear. In skeletal muscle, a dramatic decrease in stem cells, so-called satellite cells, has been shown in DMD patients. Whether similar dysfunction occurs with cardiac muscle cardiovascular progenitor cells (CVPCs) in DMD remains to be explored. We hypothesized that the number of CVPCs decreases in the dystrophin-deficient heart with age and disease state, contributing to DCM progression. We used the dystrophin-deficient mouse model (mdx) to investigate age-dependent CVPC properties. Using quantitative PCR, flow cytometry, speckle tracking echocardiography, and immunofluorescence, we revealed that young mdx mice exhibit elevated CVPCs. We observed a rapid age-related CVPC depletion, coinciding with the progressive onset of cardiac dysfunction. Moreover, mdx CVPCs displayed increased DNA damage, suggesting impaired cardiac muscle homeostasis. Overall, our results identify the early recruitment of CVPCs in dystrophic hearts and their fast depletion with ageing. This latter depletion may participate in the fibrosis development and the acceleration onset of the cardiomyopathy.
Návaznosti
LQ1601, projekt VaV |
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7AMB13FR011, projekt VaV |
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