Homo sapiens (hsa)-miR-4262 has been reported to participate in paclitaxel resistance in non-small cell lung cancer by regulating PTEN, and it promotes the proliferation and invasion of human breast cancer cells directly by targeting kruppel-like 6 (KLF6) and KLF15 [19,20]. The gene discussed is KLF15; the disease is non-small cell lung carcinoma.