A variant found in Chromosome 14 affects LOC126861897, MHRT, MYH7 (BRD4-independent group 4 enhancer GRCh37_chr14:23884455-23885654| myosin heavy chain associated RNA transcript| myosin heavy chain 7). Please analyze its biological impact: is it benign or pathogenic, and what condition might it cause?
Pathogenic; MYH7-related skeletal myopathy