Sigma-Aldrich Product Name CHP 4 (W.W.), 90102537 biological source human skin growth mode Adherent

Human skin asymptomatic Galactosemia

Derived from skin tissue taken from an 8 year old male with asymptomatic galactosemia, despite lacking red cell galactose-1-phosphate uridyl transferase. Sibling of CHP 3 (M.W.) (Sigma catalogue no. 90102536) with the same enzyme deficiency that was symptomatic. Cultures will retain characteristics for at least 30 passages. Ethnicity: Black.

Enzyme deficiency

DMEM + 2mM Glutamine + 2% Non Essential Amino Acids (NEAA) + 2% Vitamins + 10% Foetal Bovine Serum (FBS).

Split sub-confluent cultures (70-80%) 1:2 to 1:3 i.e. seeding at 3-4x10,000 cells/cm² using 0.25% trypsin; 5% CO₂; 37°C.

Additional freight & handling charges may be applicable for Asia-Pacific shipments. Please check with your local Customer Service representative for more information.