Su-ying Feng

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BACKGROUND The 180-kDa transmembrane hemidesmosomal protein (BPAG2) has been identified as an important autoantigen in bullous pemphigoid (BP). Using the NC16A domain as the antigenic target, a highly sensitive and specific enzyme-linked immunosorbent assay (ELISA) for the detection of autoantibodies to BP180 was developed. AIM To investigate the(More)
Serological methods have been used for detecting infection with Mycobacterium leprae. We have applied a serological test to explore the possibility it could detect a bacterial relapse among patients who have been cured with chemotherapy. More specifically we used an indirect enzyme-linked immunosorbant assay (ELISA) using the natural disaccharide (ND) of(More)
OBJECTIVE To evaluate the significance of anticardiolipin and immunologic abnormality in the livedoid vasculitis (LV). METHODS 30 patients with biopsy-proven LV and 30 normal controls involved in the study. Indirect immunofluorescence, immunoblot, and ELISA were used for detecting antinuclear antibody (ANA), circulating immune complex, immune globulin,(More)
Retinoic acid regulates keratinocyte proliferation and differentiation--processes that are disturbed in psoriatic skin--via binding to nuclear receptors, including retinoic acid receptor (RAR-alpha,beta,gamma) and the common heterodimer partners (RXR-alpha,beta,gamma). By RT-PCR and immunohistochemistry methods, the expression of RXRalpha was studied in(More)
Mycobacterium intracellulare-caused pulmonary infections have mostly been reported in immunocompromised hosts, while cutaneous M. intracellulare infections are rare. We describe here an immunocompetent patient with cutaneous lesions due to M. intracellulare, which was diagnosed by acid-fast staining, in vitro culture, histopathology, and PCR-restriction(More)
OBJECTIVES To study clinical and laboratory characteristics of drug-induced pemphigus. METHODS Using direct immunofluorescence (IF), indirect IF, ELISA and immunoblotting to characterize 6 patients with drug-induced pemphigus (DIP) and compared them with 20 cases of idiopathic pemphigus. RESULTS All the 6 cases of DIP showed obvious itching (100%) and(More)
Pemphigus is an autoimmune disease characterised by anti-desmoglein (Dsg) antibodies in the serum of patients. The disease can be divided into pemphigus foliaceus and pemphigus vulgaris. Anti-Dsg1 antibody is generally related to pemphigus with cutaneous lesion, and the anti-Dsg3 antibody is related to pemphigus with mucosa lesion. Twenty-nine patients with(More)