Hex-A Yaraansho -- Tay–Sachs disease

Waa cudur hidde-side naadir ah oo ka dhasha yaraanta enzyme-ka Hexosaminidase A (Hex-A). Tani waxay keentaa uruurka GM2 ganglioside ee unugyada neerfaha, taasoo sababta dhaawac sii kordhaya oo maskaxda iyo habdhiska neerfaha ah.