f there are any indications that it may have been frozen.
REFERENCES
Hershfield MS, Buckley RH, Greenberg ML, et al. Treatment of adenosine deaminase deficiency with polyethylene glycol-modified adenosine deaminase. N Engl J Med 1987; 316:589-96.
Levy Y, Hershfield MS, Fernandez-Mejia C, Polmar ST, Scudiery D, Berger M, Sorensen RU. Adenosine deaminase deficiency with late onset of recurrent infections: response to treatment with polyethylene glycolmodified adenosine deaminase. J Pediatr 1988; 113:312-17.
Kredich NM, Hershfield MS. Immunodeficiency diseases caused by adenosine deaminase deficiency and purine nucleoside phosphorylase deficiency. 6th ed. In: Scriver CR, Beaudet AL, Sly WS, Valle D, eds. The metabolic basis of inherited disease. New York: McGraw Hill, 1989; 1045-75.
Hirschhorn R. Inherited enzyme deficiencies and immunodeficiency: adenosine deaminase (ADA) and purine nucleoside phosphorylase (PNP) deficiencies. Clin Immunol Immunopathol 1986; 40:157-65.
Hirschhorn R, Roegner-Maniscalco V, Kuritsky L, Rosen FS. Bone marrow transplantation only partially restores purine metabolites to normal adenosine deaminase-deficient patients. J Clin Invest 1981; 68:1387-93.
Polmar AH, Stern RC, Schwartz AL, Wetzler EM, Chase PA, Hirschhorn R. Enzyme replacement therapy for adenosine deaminase deficiency and severe combined immunodeficiency. N Engl J Med 1976; 295:1337-43.
Rubinstein A, Hirschhorn R, Sicklick M, Murphy RA. In vivo and in vitro effects of thymosin and adenosine deaminase on adenosine-deaminase-deficient lymphocytes. N Engl J Med 1979; 300:387-92.
Hirschhorn R, Papageorgiou PS, Kesarwala HH, Taft LT. Amelioration of neurologic abnormalities after “enzyme replacement” in adenosine deaminase deficiency. N Engl J Med 1980; 303:377-80.
Hirschhorn R, Ratech H, Rubinstein A, et al. Increased excretion of modified adenine nucleosides by children with adenosine deaminase deficiency. Pediatr Res 1982; 16:362-9.
Polmar SH. Enzyme replacement and other biochemical approaches to the therapy of adenosine deaminase deficiency. In: Elliott K, Whelan J, eds. Enzyme defects and immune dysfunction. Amsterdam: Excerpta Medica, 1979; 213-30.
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Issued January/2009