Journal:
Article Title: Cloning of cDNA Encoding a Regeneration-Associated Muscle Protease Whose Expression Is Attenuated in Cell Lines Derived from Duchenne Muscular Dystrophy Patients
doi:
Figure Lengend Snippet: Up-regulation of RAMP mRNA expression in skeletal muscle after injury. A: Gastrocnemius muscle of mice was dissected 5 hours (lane 1) or 1 (lane 2), 2 (lane 3), 3 (lane 4), 4 (lane 5), 7 (lane 6), 10 (lane 7), or 14 (lane 8) days after injuring the muscle with a needle. Total RNA from each sample was extracted, reverse-transcribed, and amplified by 30 cycles of PCR using RAMP-specific primers. RT-PCR for GAPDH cDNA was performed to verify that equal amounts of template cDNA were used. B: Detection of RAMP mRNA in regenerating muscle fibers by in situ hybridization. Transverse cryosections of the tibialis anterior muscle of C57BL/10 mice harvested 6 days after crush injury were hybridized with digoxigenin-labeled anti-sense (a) or sense (b) cRNA probes for RAMP. Tibialis anterior muscle sections prepared from mdx mice after cardiotoxin injection were also hybridized with digoxigenin-labeled anti-sense (c) or sense (d) cRNA probes for RAMP. Specific signals for RAMP mRNA were detected as blue (a) or brown paints (c) in the centrally nucleated muscle fibers (arrows in a and c), but not in mature fibers (arrowheads in a and c). Scale bars, 50 μm.
Article Snippet: 23 By using cDNA derived from human skeletal muscle cells (Cambrex, Baltimore, MD) as the template, two polymerase chain reactions (PCRs) were independently performed with two sets of primers, namely, HD1 (5′-CTCGAGATGCTTTGGTGGGAAGAAGT-3′) and HD2(5′-TCTTTCAAGGGTATCCACAGTAATCTGCCTCTTC-3′) orHD3 (5′-ATTACTGTGGATACCCTTGAAAGACTCCAGGAAC-3′) and HD4 (5′-GCGGCCGCCTACATTGTGTCCTCTCTCAT-3′).
Techniques: Expressing, Reverse Transcription, Amplification, Reverse Transcription Polymerase Chain Reaction, In Situ Hybridization, Labeling, Injection