ABSTRACT Background: Immunological life-threatening complications frequently occur in post-hematopoietic stem cell transplantation (HSCT), despite matching recipient and donor (R/D) pairs for classical human leukocyte antigens (HLA). Studies have shown that R/D non-HLA disparities within the major histo...
Abstract Background Complement component 4 (C4) gene copy number (GCN) affects the susceptibility to systemic lupus erythematosus (SLE) in different populations, however the possible phenotype significance remains to be determined. This study aimed to associate C4A , C4B and total C4 GCN and SLE, focusi...
Abstract Introduction: Membranous nephropathy (MN) is one of the major causes of nephrotic syndrome. The complement system plays a key role in the pathophysiology of MN. Objectives: To identify the complement pathway possibly activated in MN cases and correlate the presence of C4d with more severe clin...
A rejeição aguda mediada por anticorpos, diagnosticada pela deposição de C4d na biópsia do enxerto, é uma complicação grave do transplante renal, com taxas históricas de perda do órgão transplantado da ordem de 30% -50%. Ainda que não existam ensaios clínicos adequadamente conduzidos para av...
