Related Experiment Video
Updated: May 5, 2026

An Optimized Protocol for Electrophoretic Mobility Shift Assay Using Infrared Fluorescent Dye-labeled Oligonucleotides
Published on: November 29, 2016
SOX7: from a developmental regulator to an emerging tumor suppressor
Daniel B Stovall1, Paul Cao1, Guangchao Sui2
1Department of Cancer Biology and Comprehensive Cancer Center, and Center for Cancer Genomics, Wake Forest University School of Medicine, Winston-Salem, NC, USA.
SOX7, a transcription factor, acts as a tumor suppressor, often downregulated in cancers. Its reduced expression correlates with poor prognosis, highlighting its critical role in tumorigenesis.
Area of Science:
- Molecular Biology
- Genetics
- Cancer Research
Background:
- SOX7 is a member of the SRY-related HMG-box transcription factor family.
- SOX family members are crucial for embryonic development and increasingly implicated in tumorigenesis.
- SOX7's role in cancer, particularly its expression and function, is an active area of research.
Purpose of the Study:
- To review the gene and protein structures of SOX7.
- To discuss the expression patterns and functional significance of SOX7 in cancer development and progression.
- To highlight recent findings on SOX7's tumor suppressive properties and its impact on cancer-related genes.
Main Methods:
- Literature review of SOX7's role in various cancers.
- Analysis of studies investigating SOX7 expression levels and their correlation with patient prognosis.
- Examination of functional studies, including xenograft mouse models, to elucidate SOX7's tumor suppressive mechanisms.
Main Results:
- SOX7 is frequently downregulated in numerous human cancers, associated with poor prognoses.
- Functional studies demonstrate SOX7 possesses tumor suppressive properties in prostate, colon, lung, and breast cancers.
- Recent research indicates SOX7 influences genes involved in cell death, growth, and apoptosis, supporting its role in tumorigenesis.
Conclusions:
- Current data strongly support a tumor suppressive role for SOX7 in cancer.
- The precise mechanisms governing SOX7 gene expression and its tumor suppressive activities require further investigation.
- SOX7 represents a promising target for future cancer research and therapeutic strategies.
Related Concept Videos
Cancer-Critical Genes II: Tumor Suppressor Genes
When the function of certain critical genes, especially those involved in cell cycle regulation and cell growth signaling cascades, gets disrupted, it upsets the cell cycle progression. Such cells with unchecked cell cycles start proliferating uncontrollably and eventually develop into tumors.
Such genes that act...
Cancer-Critical Genes II: Tumor Suppressor Genes
Loss of Tumor Suppressor Gene Functions
When the tumor suppressor genes develop mutations or are lost, cells start growing out of control, leading to cancer. However, a single functional copy of the tumor suppressor gene is enough for the cells to maintain their normal functions and cell...
Loss of Tumor Suppressor Gene Functions
Pleiotropy
Regulation of Expression at Multiple Steps

