PTBP1 and cervical carcinoma: Multiple hnRNPs, including hnRNP A1/A2, hnRNP C1/C2, hnRNP H, and hnRNP I (also referred to as polypyrimidine tract-binding protein 1, PTBP1), are significantly upregulated in HPV-induced high-grade lesions and cervical cancer tissues [127,128,129,130,131].