Sulforaphane Induces Apoptosis in Colorectal Cancer Cells and Reduces Tumor Growth in Mice
Author Information
Author(s): Chen Ming-Jenn, Tang Wei-Yu, Hsu Che-Wei, Tsai Ya-Ting, Wu June-Fu, Lin Chen-Wei, Cheng Ya-Min, Hsu Yi-Chiang
Primary Institution: Chang Jung Christian University
Hypothesis
Can sulforaphane induce apoptosis in primary human colorectal cancer cell lines and inhibit tumor growth in SCID mice?
Conclusion
Sulforaphane significantly induces apoptosis in colorectal cancer cells and reduces tumor growth in mice.
Supporting Evidence
- Sulforaphane treatment led to a significant decrease in tumor weight by 70% in SCID mice.
- Flow cytometry showed that sulforaphane induced apoptosis in colorectal cancer cells.
- Cell cycle analysis indicated that sulforaphane caused G2/M arrest in CRC cell lines.
- Apoptotic cells were identified using the ApopNexin FITC apoptosis detection kit.
- Sulforaphane increased caspase-2, -3, -8, and -9 activities in treated cells.
- DNA fragmentation was significantly elevated in cells treated with sulforaphane.
- Sulforaphane inhibited colony formation in human CRC cells in a dose-dependent manner.
- Confocal microscopy showed reduced NF-κB activity in sulforaphane-treated CRC cells.
Takeaway
Sulforaphane, a compound found in broccoli, can help kill cancer cells and stop tumors from growing.
Methodology
The study used primary colorectal cancer cell lines and SCID mice to assess the effects of sulforaphane on cell proliferation and apoptosis.
Potential Biases
Potential bias in the selection of cell lines and animal models used.
Limitations
The study was limited to five primary colorectal cancer cell lines and may not represent all colorectal cancer types.
Participant Demographics
Five Taiwanese colorectal cancer patients provided the primary cell lines.
Statistical Information
P-Value
p<0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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