Storage diseases - Taylor Flashcards
Beta-hexosaminidase A
Cherry red spot (classic)
Increased startle reflex
Normal liver/spleen
Tay Sachs Type I
Tay Sachs Type I
Beta-hexosaminidase A
Cherry red spot (classic)
Increased startle reflex
Normal liver/spleen
Beta glucosidase (gluco- cerebrosidase) Adult onset Big liver/spleen Anemia/low platelets ↑ Ashkenazi Jews Erlenmeyer flask deformity (Xray)
Gaucher disease
Gaucher disease
Beta glucosidase (gluco- cerebrosidase) Adult onset Big liver/spleen Anemia/low platelets ↑ Ashkenazi Jews Erlenmeyer flask deformity (Xray)
Which two lysosomal storage diseases are NOT autosomal recessive? What is their inheritance
Hunter - X-linked. Women have no disease
Fabry - X linked. Women have delayed disease
Alpha galactosidase
+Treatment
Angiokeratomas (bathing trunk distribution),
Renal Failure
Acroparesthesias (pain in palms and soles),
Normal IQ
Fabry
Fabry
Alpha galactosidase
+Treatment
Angiokeratomas (bathing trunk distribution),
Renal Failure
Acroparesthesias (pain in palms and soles),
Normal IQ
♦Alpha-glucosidase
Infant with profound
weakness and hypertrophic CM or Adult with proximal muscle weakness and sleep apnea
Pompe Disease
Pompe Disease
♦Alpha-glucosidase
Infant with profound
weakness and hypertrophic CM or Adult with proximal muscle weakness and sleep apnea
♦Iduronate sulfatase
Coarse-appearing child, who is short, has hoarse voice, frequent URIs and some learning problems; NO corneal clouding
Hunter
Hunter
♦Iduronate sulfatase
Coarse-appearing child, who is short, has hoarse voice, frequent URIs and some learning problems; NO corneal clouding
♦alpha iduronidase Similar to Hunter (can occur in girls); Coarse facies, big liver/spleen, major skeletal problems, corneal clouding
Hurler
Hurler
♦alpha iduronidase Similar to Hunter (can occur in girls); Coarse facies, big liver/spleen, major skeletal problems, corneal clouding
♦ Glycogen phosphorylase
Muscle cramping after exercise;
myogolbuinuria (coffee colored urine after exercise)
McArdle
McArdle
♦ Glycogen phosphorylase
Muscle cramping after exercise;
myogolbuinuria (coffee colored urine after exercise)