SFRP4 protein expression is reduced in high grade astrocytomas which is not caused by the methylation of its promoter - Kafka, Anja; Pećina-Šlaus, Nives; Drmić, Denis; Bukovac, Anja; Njirić, Niko; Žarković, Kamelija; Jakovčević, Antonia (Frontiers in Molecular Neuroscience, 2024)