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Biochemical Acantholysis Provoked by Thiol Drugs-Reply

Grant J. Anhalt, MD; Antoinette Hood, MD; Benjamin Yokel, MD
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Department of Dermatology The Johns Hopkins University School of Medicine 600 N Wolfe St Baltimore, MD 21205


Arch Dermatol. 1990;126(7):966-966. doi:10.1001/archderm.1990.01670310129024
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In Reply.—  It is remarkable that the results of studies performed independently by Ruocco et al1 and ourselves are so similar. In our report on drug-induced pemphigus in vitro, our omission of a reference to the report by Ruocco and coworkers was not intended to downplay the numerous and significant contributions they have made in the study of drug-induced acantholysis, but simply reflected an imperfect literature search. What is important to note is that our data concurred in almost every detail, were derived independently, and were initially reported by each of our groups almost simultaneously in abstract form in 1987.2,3The original hypothesis of Ruocco et al4 that drugs containing active thiol groups may interfere with pemphigus antigen-mediated adhesion through formation of mixed disulfides is highly likely to be accurate, especially in the light of detailed studies since published by Korman and coworkers.5 They showed that

REFERENCES

Ruocco V, deAngelis E, Lombardi ML, Pisani M.  In vitro acantholysis by captopril and thiopronine . Dermatologica . 1988;;176:115-123.
Yokel BK, Hood AF, Morrison LH, Anhalt GJ.  Induction of acantholysis in organ explant culture by D-penicillamine and captopril . J Invest Dermatol. 1987;;88:525.
Ruocco V, deAngelis E, Lombardi ML, Pisani M. In: Orfanos CE, Stadler R, Gollnick S, eds. Proceedings of the XVII World Congress of Dermatology . New York, NY: Springer-Verlag NY Inc; 1987;;2:124.
Ruocco V, Pisani M, Astarita C, Prota G.  D-penicillamine and pemphigus: pathogenic hypothesis . Ann It Dermatol Clin Sper. 1979;;33:3-9.
Korman NJ, Eyre RW, Klaus-Kovutin V, Stanley JR.  Demonstration of an adhering-junction molecule (plakoglobin) in the autoantigens of pemphigus foliaceus and pemphigus vulgaris . N Engl J Med. 1989;;321:631-635.
Anhalt GJ, Labib RS, Voorhees JJ, Beals TF, Diaz LA.  Induction of pemphigus in neonatal mice by passive transfer of IgG from patients with the disease . N Engl J Med. 1982;;306:1189-1196.
Roscoe JT, Diaz LA, Sampaio APS, et al.  Brazilian pemphigus foliaceus autoantibodies are pathogenic to BALB/c mice by passive transfer . J Invest Dermatol. 1985;;85:538-541.
Ikezawa Z, Kitamura K, Osawa J, et al.  Cutaneous reactions induced by sulfhydryl drugs . Proceedings of VII International Congress of Immunology, Berlin, Germany; 1989 :240. Abstract.

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Ruocco V, deAngelis E, Lombardi ML, Pisani M.  In vitro acantholysis by captopril and thiopronine . Dermatologica . 1988;;176:115-123.
Yokel BK, Hood AF, Morrison LH, Anhalt GJ.  Induction of acantholysis in organ explant culture by D-penicillamine and captopril . J Invest Dermatol. 1987;;88:525.
Ruocco V, deAngelis E, Lombardi ML, Pisani M. In: Orfanos CE, Stadler R, Gollnick S, eds. Proceedings of the XVII World Congress of Dermatology . New York, NY: Springer-Verlag NY Inc; 1987;;2:124.
Ruocco V, Pisani M, Astarita C, Prota G.  D-penicillamine and pemphigus: pathogenic hypothesis . Ann It Dermatol Clin Sper. 1979;;33:3-9.
Korman NJ, Eyre RW, Klaus-Kovutin V, Stanley JR.  Demonstration of an adhering-junction molecule (plakoglobin) in the autoantigens of pemphigus foliaceus and pemphigus vulgaris . N Engl J Med. 1989;;321:631-635.
Anhalt GJ, Labib RS, Voorhees JJ, Beals TF, Diaz LA.  Induction of pemphigus in neonatal mice by passive transfer of IgG from patients with the disease . N Engl J Med. 1982;;306:1189-1196.
Roscoe JT, Diaz LA, Sampaio APS, et al.  Brazilian pemphigus foliaceus autoantibodies are pathogenic to BALB/c mice by passive transfer . J Invest Dermatol. 1985;;85:538-541.
Ikezawa Z, Kitamura K, Osawa J, et al.  Cutaneous reactions induced by sulfhydryl drugs . Proceedings of VII International Congress of Immunology, Berlin, Germany; 1989 :240. Abstract.

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