" /> Proteasome-associated autoinflammatory syndrome 1 - CISMeF





Preferred Label : Proteasome-associated autoinflammatory syndrome 1;

Symbol : PRAAS1;

CISMeF acronym : ALDD; CANDLE; NKJO; PRAAS1;

Type : Phenotype, molecular basis known;

Alternative titles and symbols : NKJO; Joint contractures, muscular atrophy, microcytic anemia, and panniculitis-induced lipodystrophy; Chronic atypical neutrophilic dermatosis with lipodystrophy and elevated temperature syndrome; Jmp syndrome; Nakajo-nishimura syndrome; CANDLE; ALDD; Autoinflammation, lipodystrophy, and dermatosis syndrome;

Included titles and symbols : Proteasome-associated autoinflammatory syndrome 1, digenic;

Description : This autosomal recessive systemic autoinflammatory disorder is characterized by early childhood onset of annular erythematous plaques on the face and extremities with subsequent development of partial lipodystrophy and laboratory evidence of immune dysregulation. More variable features include recurrent fever, severe joint contractures, muscle weakness and atrophy, hepatosplenomegaly, basal ganglia calcifications, and microcytic anemia (summary by Agarwal et al., 2010; Kitamura et al., 2011; Arima et al., 2011). This disorder encompasses Nakajo-Nishimura syndrome (NKJO); joint contractures, muscular atrophy, microcytic anemia, and panniculitis-induced lipodystrophy (JMP syndrome); and chronic atypical neutrophilic dermatosis with lipodystrophy and elevated temperature syndrome (CANDLE). Among Japanese patients, this disorder is best described as Nakajo-Nishimura syndrome, since both Nakajo (1939) and Nishimura et al. (1950) contributed to the original phenotypic descriptions.;

Inheritance : Autosomal recessive;

Molecular basis : Caused by mutation in the proteasome subunit, beta-type, 8 gene (PSMB8, 177046.0001);

Laboratory abnormalities : Increased erythrocyte sedimentation rate; Hypergammaglobulinemia; Increased gamma-interferon; Increased IL-6; Increased IgA; Increased IL-8; Increased IgG; Increased C-reactive protein; Abnormal liver enzymes, intermittent; Increased serum triglycerides;

Prefixed ID : #256040;

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03/05/2025


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