5 RNA dosage medium preparations carrying genes encoding proteins for treating or preventing genetic diseases; RNA dosage medium preparations carrying genes encoding proteins for treating or preventing infectious diseases; RNA dosage medium preparations carrying genes encoding proteins for treating or preventing cancers; RNA dosage medium preparations carrying genes encoding proteins for treating or preventing age-related diseases; RNA dosage medium preparations carrying genes encoding ribonucleoprotein constructs for gene editing; RNA dosage medium preparations carrying genes encoding ribonucleoprotein constructs for treating telomere shortening; RNA dosage medium preparations carrying genes encoding proteins for regenerative medicine