Platelet-Rich Plasma Inhibits Breast Cancer Proliferation

Area of Science:

• Oncology
• Cell Biology
• Regenerative Medicine

Background:

• Platelet-rich plasma (PRP) is known for wound healing properties.
• Its effect on breast cancer cell proliferation remains unclear, limiting its use in patients.
• This study investigates PRP's impact on breast cancer cell growth.

Purpose of the Study:

• To determine if Platelet-rich plasma (PRP) stimulates or inhibits breast cancer cell proliferation.
• To evaluate the effects of PRP on breast cancer cell migration and invasion in vitro.
• To assess the impact of PRP on tumor growth and key protein expression in vivo.

Main Methods:

• In vitro studies using MDA-MB-231 breast cancer cells with PRP.
• Cell Counting Kit-8 (CCK-8), wound healing, and Transwell assays were performed.
• In vivo studies involved 4T1 mouse breast cancer models treated with PRP, followed by tumor analysis and immunohistochemistry.

Main Results:

• PRP significantly inhibited proliferation, migration, and invasion of MDA-MB-231 cells in vitro.
• In vivo, PRP injection led to slower tumor growth in mice.
• PRP treatment decreased markers of proliferation (Ki67, pHH3) and increased markers of apoptosis (Caspase 3, PARP1).

Conclusions:

• Platelet-rich plasma (PRP) demonstrates inhibitory effects on breast cancer cell proliferation.
• PRP suppressed the growth of both MDA-MB-231 and 4T1 breast cancer cells in preclinical settings.