Identifying Angiogenic Factors in Pediatric Choroid Plexus Papillomas
- Nurfarhanah Bte Syed Sulaiman 1, Sofiah M Y Sng 1, Khurshid Z Merchant 2, Lee Ping Ng 1, David C Y Low 1,3,4, Wan Tew Seow 1,3,4, Sharon Y Y Low 1,3,4,5
- 1Neurosurgical Service, KK Women's and Children's Hospital, Singapore 229899, Singapore.
- 2Department of Pathology and Laboratory Medicine, KK Women's and Children's Hospital, Singapore 229899, Singapore.
- 3Department of Neurosurgery, National Neuroscience Institute, Singapore 308433, Singapore.
- 4SingHealth Duke-NUS Neuroscience Academic Clinical Program, 11 Jalan Tan Tock Seng, Singapore 308433, Singapore.
- 5SingHealth Duke-NUS Pediatrics Academic Clinical Program, 100 Bukit Timah Road, Singapore 229899, Singapore.
- 0Neurosurgical Service, KK Women's and Children's Hospital, Singapore 229899, Singapore.
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View abstract on PubMed
Summary
This summary is machine-generated.Choroid plexus papillomas (CPPs) in children show increased angiogenic factors like VEGF-A. These factors promote blood vessel growth, suggesting angiogenesis is key to CPP development and a potential therapeutic target.
Area Of Science
- Neuro-oncology
- Vascular Biology
- Pediatric Oncology
Background
- Choroid plexus papillomas (CPPs) are rare pediatric brain tumors with unknown development mechanisms.
- Angiogenesis, the formation of new blood vessels, is implicated in other brain tumors.
- This study investigates angiogenesis as a potential hallmark of CPP biology.
Purpose Of The Study
- To identify and validate angiogenic factors in Choroid Plexus Papillomas (CPPs).
- To explore the role of angiogenesis in the development of pediatric brain tumors.
Main Methods
- Cerebrospinal fluid (CSF) and tumor samples were collected from CPP patients.
- Multiplex immunoassay and proteome blot arrays identified differentially expressed cytokines.
- Patient-derived cell cultures and HUVEC angiogenesis assays validated angiogenic factor activity.
Main Results
- CSF analysis revealed elevated levels of VEGF-A, MCP-1, MMP-1, TNF-α, and CD40L in CPP patients.
- CPP cell lines and supernatants showed increased expression of VEGF, MCP-1, and MMP-1.
- HUVEC assays confirmed that CPP-conditioned media promotes angiogenesis.
Conclusions
- This study provides evidence that angiogenesis is a significant factor in Choroid Plexus Papillomas.
- Identified angiogenic factors (VEGF, MCP-1, MMP-1) represent potential therapeutic targets for CPPs.
- Further research into CPP angiogenesis is warranted.
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