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Review

Biogenesis, Functions, and Role of CircRNAs in Lung Cancer

, , , , & ORCID Icon
Pages 6651-6671 | Published online: 24 Aug 2021

Figures & data

Table 1 Classification of circRNAs

Figure 1 Biogenesis of circRNAs. (A) CircRNAs are mainly produced by three mechanisms: lariat-driven, intron-pairing-driven, RNA-binding proteins (RBPs)-driven circularization. (B) Inter-genic circRNAs are spliced by two intronic circRNA fragments containing GT-AG splicing signals. (C) TricRNAs are produced from pre-tRNAs that containing introns.

Figure 1 Biogenesis of circRNAs. (A) CircRNAs are mainly produced by three mechanisms: lariat-driven, intron-pairing-driven, RNA-binding proteins (RBPs)-driven circularization. (B) Inter-genic circRNAs are spliced by two intronic circRNA fragments containing GT-AG splicing signals. (C) TricRNAs are produced from pre-tRNAs that containing introns.

Figure 2 Function of circRNAs. (A) miRNA sponge (B) Translation regulator (C) Protein translation (D) Protein sponge (E) RNA maturation (F) Inhibit RNA polymerase II elongation (G) Modulate linear splicing.

Figure 2 Function of circRNAs. (A) miRNA sponge (B) Translation regulator (C) Protein translation (D) Protein sponge (E) RNA maturation (F) Inhibit RNA polymerase II elongation (G) Modulate linear splicing.

Table 2 CircRNAs as Potential Diagnostic Biomarkers in Lung Cancer

Table 3 CircRNAs as Potential Prognostic Biomarkers in Lung Cancer

Table 4 CircRNAs as Potential Therapeutic Target in Lung Cancer