MATN2 and Miyoshi myopathy: Among the identified genes, only Orosomucoid 1 (ORM1), Matrilin-2 (MATN2), and Oviductal Glycoprotein 1 (OVGP1) had PPH4 values > 0.75, strongly indicating that these genes are causally linked to MM through the same genetic variants (Figure 3).