Related Experiment Video
Updated: Feb 11, 2026

Describing a Transcription Factor Dependent Regulation of the MicroRNA Transcriptome
Published on: June 15, 2016
Targeting GLI Transcription Factors in Cancer
Miroslava Didiasova1, Liliana Schaefer2, Malgorzata Wygrecka3,4
1Department of Biochemistry, Faculty of Medicine, Universities of Giessen and Marburg Lung Center, Friedrichstrasse 24, 35392 Giessen, Germany. miroslava.didiasova@biochemie.med.uni-giessen.de.
Abstract:
Aberrant activation of hedgehog (Hh) signaling has been observed in a wide variety of tumors and accounts for more than 25% of human cancer deaths. Inhibitors targeting the Hh signal transducer Smoothened (SMO) are widely used and display a good initial efficacy in patients suffering from basal cell carcinoma (BCC); however, a large number of patients relapse. Though SMO mutations may explain acquired therapy resistance, a growing body of evidence suggests that the non-canonical, SMO-independent activation of the Hh pathway in BCC patients can also account for this adverse effect. In this review, we highlight the importance of glioma-associated oncogene (GLI) transcription factors (the main downstream effectors of the canonical and the non-canonical Hh cascade) and their putative role in the regulation of multiple oncogenic signaling pathways. Moreover, we discuss the contribution of the Hh signaling to malignant transformation and propose GLIs as central hubs in tumor signaling networks and thus attractive molecular targets in anti-cancer therapies.
Insights
Aberrant hedgehog (Hh) signaling drives cancer, and while SMO inhibitors work initially for basal cell carcinoma (BCC), resistance emerges. Glioma-associated oncogene (GLI) transcription factors are key players in Hh pathway activation and cancer progression.
Area of Science:
- Oncology
- Molecular Biology
- Cancer Signaling
Background:
- Aberrant hedgehog (Hh) signaling is implicated in over 25% of human cancer deaths.
- Smoothened (SMO) inhibitors show initial efficacy in basal cell carcinoma (BCC) but acquired resistance leads to relapse.
- Non-canonical, SMO-independent Hh pathway activation contributes to therapeutic resistance in BCC.
Purpose of the Study:
- To review the role of glioma-associated oncogene (GLI) transcription factors in Hh signaling.
- To explore the involvement of GLI factors in regulating oncogenic signaling pathways.
- To highlight GLIs as central hubs in tumor signaling networks for anti-cancer therapy development.
Main Methods:
- Literature review of studies on hedgehog signaling in cancer.
- Analysis of the downstream effectors of canonical and non-canonical Hh pathways.
- Investigation of GLI transcription factors' role in tumor signaling.
Main Results:
- GLI transcription factors are the main downstream effectors of both canonical and non-canonical Hh cascades.
- GLIs are involved in the regulation of multiple oncogenic signaling pathways.
- Hh signaling contributes significantly to malignant transformation.
Conclusions:
- GLI transcription factors are central regulators in tumor signaling networks.
- GLIs represent attractive molecular targets for novel anti-cancer therapies.
- Targeting GLIs may overcome resistance mechanisms associated with SMO inhibitors.
More Related Videos
Related Concept Videos
Transcription Factors
Transcription Elongation Factors
The transcription elongation is regulated via pausing of RNA polymerase on several occasions during transcription. In bacteria, these halts are necessary because the transcription of DNA into mRNA is coupled to the translation of that mRNA...
Transcription Elongation Factors
General Transcription Factors
Transcription
Transcription is the process of synthesizing RNA from a DNA sequence by RNA polymerase. It is the first step in producing a protein from a gene sequence. Additionally, many other proteins and regulatory sequences are involved in the proper synthesis of messenger RNA (mRNA). Regulation of transcription is responsible for the differentiation of all the different types of cells and often for the proper cellular response to environmental signals.
Transcription Can Produce Different Kinds...
Targeted Cancer Therapies
There are several types of targeted therapies against...

