Erratum.

Area of Science:

• Oncology
• Molecular Biology
• Genetics

Background:

• Colorectal cancer (CRC) is a prevalent malignancy with high mortality.
• The precise mechanisms driving CRC carcinogenesis remain incompletely understood.
• Investigating novel regulatory factors like microRNAs is crucial for understanding CRC development.

Purpose of the Study:

• To elucidate the role of microRNA-107 (miR-107) in regulating colorectal cancer (CRC) cell proliferation and apoptosis.
• To identify the molecular targets of miR-107 involved in CRC pathogenesis.
• To explore the therapeutic potential of targeting miR-107 in CRC.

Main Methods:

• Quantitative analysis of miR-107 expression in CRC tissues and cell lines.
• In vitro assays to assess the impact of miR-107 modulation on CRC cell proliferation and apoptosis.
• Bioinformatic prediction and luciferase reporter assays to identify and validate miR-107 targets.
• Western blot analysis to confirm target protein expression levels.

Main Results:

• miR-107 expression was significantly upregulated in human CRC tissues and cell lines compared to normal controls.
• Overexpression of miR-107 enhanced CRC cell proliferation and inhibited apoptosis, while inhibition of miR-107 had opposite effects.
• Prostate apoptosis response-4 (Par4) was identified as a direct target of miR-107, with miR-107 negatively regulating Par4 expression.
• Restoration of Par4 expression counteracted the pro-survival effects of miR-107 on CRC cells.

Conclusions:

• miR-107 promotes colorectal cancer cell survival and proliferation by directly targeting and downregulating Par4.
• The miR-107/Par4 axis represents a novel regulatory pathway in CRC pathogenesis.
• Targeting miR-107 may offer a potential therapeutic strategy for colorectal cancer treatment.