Abstract
Sickle cell anemia (SCA) causes nephropathy which may progress to kidney failure. To determine if soluble fibrinogen (FibAEK) can prevent kidney damage in mice with SCA, we performed bone marrow transplantation (BMT) of Berkeley sickle mice into wild‐type fibrinogen (FibWT), and FibAEK mice that bear a germ‐line mutation in fibrinogen Aα chain at thrombin cleavage site which prevents fibrin formation. We found improved albuminuria in SS FibAEK mice compared with SS FibWT mice at 12 months post‐BMT due to the reduced kidney fibrosis, ischemic lesions, and increased survival of podocytes in the glomeruli, but did not improve urine concentrating defect. Therefore, our study clarifies the distinct role of fibrinogen and fibrin in the renal pathology of SCA.
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