Blood, 1953, Vol. 8, No. 4, pp. 336-341.
© 1953 American Society of Hematology, Inc.
Action of Alpha-Tocopherol Phosphate on Hemolysis in
Paroxysmal Nocturnal Hemoglobinuria
MARJORIE J. WILLIAMS M.B., CH.B. (BRIST.)1 and
MARY P. CLAPP M.S.1
1 Laboratory Service, Veterans Administration Center, Temple, Texas.
1. The action of alpha-tocopherol phosphate (
TPO4), an anticoagulant, on
PNH hemolysis was studied by both in vitro and in vivo means. It was found
that the addition of
TPO4 to the modified Ham test inhibited lysis of PNH
erythrocytes. During the intramuscular administration of
TPO4, the susceptibility of the erythrocytes to lysis by fresh acidified serum progressively decreased. These cells, after incubation with the serum, gave a positive Coombs
test.
2. The possible significance of these findings is briefly discussed.
3. It is concluded that
TPO4 has no therapeutic value in PNH.
Submitted on August 19, 1952
Accepted on October 30, 1952