Related Experiment Videos
Cytomegalovirus replicates efficiently in human kidney mesangial cells
M H Heieren1, F J van der Woude, H H Balfour
1University of Minnesota Health Sciences Center, University of Minnesota Hospital and Clinic, Minneapolis 55455.
Summary
Human cytomegalovirus (HCMV) infects kidney mesangial cells, a specific renal cell type. This finding implicates mesangial cells in HCMV-induced kidney disease pathogenesis.
Area of Science:
- Nephrology
- Virology
- Immunology
Background:
- Human cytomegalovirus (HCMV) is a significant cause of kidney disease in infants and transplant recipients.
- The specific renal cell type targeted by HCMV during infection and reactivation remains unclear.
Purpose of the Study:
- To identify the specific renal cell type supporting HCMV infection and replication.
- To investigate the role of this cell type in HCMV-induced renal pathogenesis.
Main Methods:
- Human fetal kidney cortex cell cultures were used to study HCMV infection.
- Infectious center assays and virus yield assays quantified viral replication.
- Virus-specific immunofluorescence and in situ hybridization identified HCMV presence.
- Cell purification and characterization identified the infected cell type.
Main Results:
- A distinct cell type within kidney cultures supported HCMV replication.
- These cells were identified as kidney mesangial cells.
- Mesangial cells efficiently supported HCMV replication and viral presence.
Conclusions:
- Kidney mesangial cells are a key renal cell type supporting HCMV replication.
- These findings implicate mesangial cells in the development of HCMV-related kidney disease.