The Role of Lin28A and Lin28B in Cancer Beyond Let-7

Overview

Journal FEBS Lett

Specialty Biochemistry

Date 2024 Aug 16

PMID 39152528

Authors

Sandra Cotino-Najera

Enrique Garcia-Villa

Samantha Cruz-Rosales

Patricio Gariglio

Jose Diaz-Chavez

Affiliations

Soon will be listed here.

Abstract

Lin28A and Lin28B are paralogous RNA-binding proteins that play fundamental roles in development and cancer by regulating the microRNA family of tumor suppressor Let-7. Although Lin28A and Lin28B share some functional similarities with Let-7 inhibitors, they also have distinct expression patterns and biological functions. Increasing evidence indicates that Lin28A and Lin28B differentially impact cancer stem cell properties, epithelial-mesenchymal transition, metabolic reprogramming, and other hallmarks of cancer. Therefore, it is important to understand the overexpression of Lin28A and Lin28B paralogs in specific cancer contexts. In this review, we summarize the main similarities and differences between Lin28A and Lin28B, their implications in different cellular processes, and their role in different types of cancer. In addition, we provide evidence of other specific targets of each lin28 paralog, as well as the lncRNAs and miRNAs that promote or inhibit its expression, and how this impacts cancer development and progression.

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