Total RNA from adult murine hearts was isolated with
Trizol (Invitrogen) and cDNA synthesis was performed as described previously.
21 (
link)
,22 (
link) Real-time PCR with SYBR green dye method (
Brilliant SYBR Green Mastermix-Kit, Thermo Fisher) was performed with the
AriaMx Real-Time PCR System (Agilent Technologies) as described.
21 (
link)
,22 (
link) List of qRT-PCR primers used in this study is provided below. Expression of mature miR-146a was determined using miR-qRT-PCR on an
ABI7500 cycler (Applied Biosystems, Foster City, USA) and was normalized using the 2-ΔΔCT method relative to U6 as described.
23 (
link)
Sequences of qRT-PCR primers
mRNA | Sense primers (5’ to 3’) | Antisense primers (5’ to 3’) |
---|
mmu 18S | GTAACCCGTTGAA CCCCATT | CCATCCAATCGGTA GTAGCG |
mmu ANP | GCCGGTAGAAGA TGAGGTCA | GGGCTCCAATCCT GTCAATC |
mmu α-MHC | GGAAGAGCGAGC GGCGCATCAAGG | GTCTGCTGGAGAGGT TATTCCTCG |
mmu β-MHC | CAAGTTCCGCA AGGTGC | AAATTGCTTTATTCTG CTTCCAC |
mmu Col1a1 | ACAGACGAACAAC CCAAACT | GGTTTTTGGTCACG TTCAGT |
Protein expression levels were determined by Western blotting, using SDS-PAGE as previously described.
20 (
link) The following antibodies were used: Anti-ErbB2, anti-ErbB4,
anti-MMP2,
anti-phospho-Tyrosine 705-STAT3,
anti-STAT3, anti-phospho-Tyrosine 694 STAT5 and
anti-STAT5 (Cell Signalling Technology), anti-MMP3 and anti-MMP9 (Abcam).
Nonhoff J., Ricke-Hoch M., Mueller M., Stapel B., Pfeffer T., Kasten M., Scherr M., von Kaisenberg C., Bauersachs J., Haghikia A, & Hilfiker-Kleiner D. (2017). Serelaxin treatment promotes adaptive hypertrophy but does not prevent heart failure in experimental peripartum cardiomyopathy. Cardiovascular Research, 113(6), 598-608.