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Published on: December 31, 2015
[Culture and characterization of human peritoneal mesothelial cells]
1Department of Nephrology, Second Xiangya Hospital, Central South University, Chiangsha 410011, China.
Objective:
To establish a reproducible model for culture of human peritoneal mesothelial cells (HPMCs), and observe the expressions of extracellular matrix (ECM) protein and interleukin-8 (IL-8) in HPMC.
Methods:
Mesothelial cells were isolated from human omenta by trypsin EDTA disaggregation. HPMCs were identified by morphology and streptomyces protein-peroxidase (SP) method. In the same way, expressions of fibronectin, collagen type III, V and transforming growth factor beta 1 (TGF beta 1) were measured. Expression of IL-8 mRNA and FN mRNA in the HPMCs was detected by reverse transcription (RT) and polymerase chain reaction (PCR) amplification.
Results:
Confluent HPMCs appeared multipolar under microscope; numerous surface microvilli and an abundant endoplasmic reticulum were observed. Cultured HPMCs coexpressed cytokeratin and vimentin, and synthesized fibronectin, TGF beta 1 and collagen types III (instead of type V). Expressions of IL-8 mRNA and FN mRNA were also observed in HPMCs.
Conclusion:
Establishment of cultured HPMCs model will provide the basis of the research in preventment of peritoneal fibrosis and roles of IL-8 in peritoneal dialysis.
Insights
Researchers established a reproducible human peritoneal mesothelial cell (HPMC) culture model. This model allows for studying extracellular matrix proteins and interleukin-8 (IL-8) in HPMCs, crucial for peritoneal fibrosis research.
Area of Science:
- Cell Biology
- Tissue Engineering
Context:
- Human peritoneal mesothelial cells (HPMCs) play a critical role in peritoneal tissue homeostasis.
- Understanding HPMC behavior is essential for addressing peritoneal dialysis complications like fibrosis.
Purpose:
- To develop a reliable in vitro model for culturing human peritoneal mesothelial cells (HPMCs).
- To investigate the expression of key extracellular matrix (ECM) proteins and interleukin-8 (IL-8) in cultured HPMCs.
Summary:
- A reproducible method for isolating and culturing HPMCs from human omenta was established.
- Cultured HPMCs exhibited characteristic morphology and co-expressed cytokeratin and vimentin.
- The study confirmed the synthesis of fibronectin, TGF-beta 1, and collagen type III, along with the expression of IL-8 and fibronectin mRNA in HPMCs.
Impact:
- This HPMC culture model provides a foundation for researching peritoneal fibrosis.
- It facilitates further investigation into the role of IL-8 in peritoneal dialysis-related conditions.
