dc.contributorUniversidade Federal de São Paulo (UNIFESP)
dc.contributorUniversidade Estadual de Campinas (UNICAMP)
dc.contributorUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2014-05-27T11:18:08Z
dc.date.available2014-05-27T11:18:08Z
dc.date.created2014-05-27T11:18:08Z
dc.date.issued1996-12-01
dc.identifierJournal of Medical and Veterinary Mycology, v. 34, n. 3, p. 155-161, 1996.
dc.identifier0268-1218
dc.identifierhttp://hdl.handle.net/11449/64904
dc.identifier10.1080/02681219680000261
dc.identifierWOS:A1996UN54900001
dc.identifier2-s2.0-0029661850
dc.description.abstractA purified glycoprotein of 43 000 daltons from Paracoccidioides brasiliensis (gp43) was tested as paracoccidioidin in delayed-type hypersensitivity (DTH) tests in both experimental animals (guinea pig and mice) and patients with paracoccidioidomycosis (PCM). The gp43 paracoccidioidin was compared with the traditional Fava Netto antigen (AgFN). In guinea pigs, the intradermal injection of 2 μg of gp43 showed a similar response to those obtained with AgFN, showing in histological sections a population of lymphoid cells that participate in DTH. In mice, gp43 at a dose of 3.75μg showed positive DTH response. The use of gp43 as paracoccidioidin in humans showed that this molecule can be used to evaluate the DTH response in patients with PCM. Of 25 PCM patients studied, 48% were positive to gp43 while only 28% were positive to AgFN; 12 PCM patients were completely anergic to both antigens. Considering only those 13 PCM patients who were responsive to gp43 and/or to AgFN, 92.3% reacted against gp43 and 53.8% reacted against AgFN (P < 0.05). Gp43 skin test responses (13.67 ± 9.56 mm) were significantly larger than those obtained with AgFN (8.43 ±3.69 mm). Immunohistochemical study of the human skin showed a perivascular inflammatory response constituted predominantly by T lymphocytes, macrophages and polymorphonuclear leukocytes. © 1996 ISHAM.
dc.languageeng
dc.relationJournal of Medical and Veterinary Mycology
dc.rightsAcesso restrito
dc.sourceScopus
dc.subjectGp43
dc.subjectP. Brasiliensis
dc.subjectParacoccidioidin
dc.subjectParacoccidioidomycosis
dc.subjectfungus antigen
dc.subjectfungal protein
dc.subjectparacoccidioidin
dc.subjectanimal experiment
dc.subjectcontrolled study
dc.subjectdelayed hypersensitivity
dc.subjectguinea pig
dc.subjecthuman
dc.subjecthuman tissue
dc.subjectimmune response
dc.subjectimmunohistochemistry
dc.subjectinflammation
dc.subjectmouse
dc.subjectnonhuman
dc.subjectparacoccidioides brasiliensis
dc.subjectserum
dc.subjectskin
dc.subjectsouth american blastomycosis
dc.subjectadult
dc.subjectanimal
dc.subjectchemically induced disorder
dc.subjectcomparative study
dc.subjectimmunology
dc.subjectmale
dc.subjectmicrobiology
dc.subjectParacoccidioides
dc.subjectskin test
dc.subjectSouth American blastomycosis
dc.subjectAdult
dc.subjectAnimals
dc.subjectFungal Proteins
dc.subjectGuinea Pigs
dc.subjectHumans
dc.subjectHypersensitivity, Delayed
dc.subjectMale
dc.subjectMice
dc.subjectSkin Tests
dc.titleParacoccidioides brasiliensis-gp43 used as paracoccidioidin
dc.typeArtículos de revistas


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