S100A14's Role in Cell Growth and Death in Esophageal Cancer
Author Information
Author(s): Jin Qing'e Chen, Hongyan Luo, Aiping Ding, Fang Liu, Zhihua
Primary Institution: State Key Laboratory of Molecular Oncology, Cancer Institute, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
Hypothesis
S100A14 might exert extracellular roles in esophageal squamous cell carcinoma (ESCC) cell lines.
Conclusion
S100A14 can stimulate cell proliferation at low doses and induce apoptosis at high doses in ESCC cells through RAGE signaling.
Supporting Evidence
- Low doses of S100A14 stimulate cell proliferation in a concentration-dependent manner.
- High doses of S100A14 induce apoptosis via the mitochondrial pathway.
- S100A14 binds to RAGE, activating ERK1/2 and NF-κB signaling pathways.
- Blocking RAGE signaling inhibits S100A14-induced effects.
- Immunohistochemical analysis showed a correlation between S100A14 positivity and Ki67 expression in ESCC specimens.
Takeaway
S100A14 helps cancer cells grow when there's a little bit, but too much of it can make them die.
Methodology
The study involved treating ESCC cell lines with varying concentrations of S100A14 and assessing cell proliferation and apoptosis through assays.
Potential Biases
Potential bias in selecting cell lines and interpreting results based on specific experimental conditions.
Limitations
The study primarily focused on in vitro experiments, which may not fully represent in vivo conditions.
Participant Demographics
The study used human esophageal squamous cell carcinoma cell lines.
Statistical Information
P-Value
0.004
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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