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A Case of Pork-cat Syndrome That Developed as Food-dependent Exercise-induced Anaphylaxis

Shiratsuki, R, Chinuki, Y, Fukushiro, S, Morita, E·2020·Acta Dermato Venereologica
DOI 10.2340/00015555-3584PMC PMC9207636
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Fig. 1 Positive prick test results on (a) commercial raw pork, (b) pork sausage, and (c) cat hair allergen scratch extract (Torii Parmaceutical Co. Ltd, Tokyo, Japan). (d) Saline, (e) positive histamine controls (10 mg/ml). Reactions were read at 15 min, and responses were compared with positive histamine controls (10 mg/ml): 1+, 25% of the area of the wheal induced by the positive histamine control; 2+, 50%; 3+, 100%; 4+, 200%.
Fig. 1 Positive prick test results on (a) commercial raw pork, (b) pork sausage, and (c) cat hair allergen scratch extract (Torii Parmaceutical Co. Ltd, Tokyo, Japan). (d) Saline, (e) positive histamine controls (10 mg/ml). Reactions were read at 15 min, and responses were compared with positive histamine controls (10 mg/ml): 1+, 25% of the area of the wheal induced by the positive histamine control; 2+, 50%; 3+, 100%; 4+, 200%.CC BY-NC · PubMed Central
Fig. 2 Western blotting and immunoblot inhibition analyses of red meat proteins and extract from hair and epithelium of cat. (a) Gel stained with Coomassie Brilliant Blue; (b) Immunoglobulin E (IgE)-immunoblotting with the patient’s sera. Lane 1: water-soluble beef proteins. Lane 2: water-soluble pork proteins. Lane 3: extract from hair and epithelium of Felis domesticus. Immunoblot inhibition assay was performed for determining cross-reactivity of pork proteins and extract from hair and epithelium of cat. Electrophoresed membranes were blotted against patient’s sera without extract from hair and epithelium of cat (control) or with increasing amounts of extract from hair and epithelium of cat (1, 10, and 50 μg).
Fig. 2 Western blotting and immunoblot inhibition analyses of red meat proteins and extract from hair and epithelium of cat. (a) Gel stained with Coomassie Brilliant Blue; (b) Immunoglobulin E (IgE)-immunoblotting with the patient’s sera. Lane 1: water-soluble beef proteins. Lane 2: water-soluble pork proteins. Lane 3: extract from hair and epithelium of Felis domesticus. Immunoblot inhibition assay was performed for determining cross-reactivity of pork proteins and extract from hair and epithelium of cat. Electrophoresed membranes were blotted against patient’s sera without extract from hair and epithelium of cat (control) or with increasing amounts of extract from hair and epithelium of cat (1, 10, and 50 μg).CC BY-NC · PubMed Central

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Research works printed but not linked: 7

  1. [1]Alvarez-Perea A, Caralli ME, Zubeldia JM, Baeza ML. Porkcat syndrome as a cause of occupational asthma. J Investig Allergol Clin Immunol 2014; 24: 209– 211. 25011365
  2. [2]Drouet M, Sabbah A. The pork/cat syndrome or crossed reactivity between cat epithelia and pork meat. Monogr Allergy 1996; 32: 164– 173. 8813195
  3. [3]Morita E, Chinuki Y, Takahashi H. Recent advances of in vitro tests for the diagnosis of food-dependent exercise-induced anaphylaxis. J Dermatol Sci 2013; 41: 155– 159. 23669019
  4. [4]Drouet M, Boutet S, Lauret MG, Chène J, Bonneau JC, Le Sellin J, et al. The pork-cat syndrome or crossed allergy between pork meat and cat epithelia. Allerg Immunol (Paris) 1994; 26: 305– 306. 8086105
  5. [5]Konradsen JR, Fujisawa T, van Hage M, Hedlin G, Hilger C, Klein-Tebbe J, et al. Allergy to furry animals: new insight, diagnostic approaches, and challenges. J Allergy Clin Immunol 2015; 135: 616– 625. 25282018
  6. [6]Posthumus J, James HR, Lane CJ, Matos LA, Platts-Mills TA, Commins SP. Initial description of pork-cat syndrome in the United States. J Allergy Clin Immunol 2013; 131: 923– 925. 23352634 PMC3594363
  7. [7]Chinuki Y, Ishiwata K, Yamaji K, Takahashi H, Morita E. Haemaphysalis longicornis tick bites are a possible cause of red meat allergy in Japan. Allergy 2016; 71: 421– 425. 26551325

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Metadata

Authors
Shiratsuki, R., Chinuki, Y., Fukushiro, S., & Morita, E.
Venue
Acta Dermato Venereologica
Publisher
MJS Publishing, Medical Journals Sweden AB
Published
2020
Volume
100
Issue
15
Pages
adv00233
ISSN
1651-2057
DOI
10.2340/00015555-3584
PMC
PMC9207636
Cited by
11
References
0
Language
en

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CoChat. (2026). Citation check: A Case of Pork-cat Syndrome That Developed as Food-dependent Exercise-induced Anaphylaxis. https://app.cochat.ai/papers/10.2340/00015555-3584
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Shiratsuki, R., Chinuki, Y., Fukushiro, S., & Morita, E. (2020). A Case of Pork-cat Syndrome That Developed as Food-dependent Exercise-induced Anaphylaxis. Acta Dermato Venereologica. https://doi.org/10.2340/00015555-3584