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Updated: Jun 6, 2026

Spatio-Temporal Manipulation of Small GTPase Activity at Subcellular Level and on Timescale of Seconds in Living Cells
Published on: March 9, 2012
N-terminal RASSF family: RASSF7-RASSF10
Nicholas Underhill-Day1, Victoria Hill, Farida Latif
1Medical and Molecular Genetics, School of Clinical and Experimental Medicine, College of Medical and Dental Sciences, University of Birmingham, UK.
Abstract:
Epigenetic inactivation of tumor suppressor genes is a hallmark of cancer development. RASSF1A (Ras Association Domain Family 1 isoform A) tumor suppressor gene is one of the most frequently epigenetically inactivated genes in a wide range of adult and children's cancers and could be a useful molecular marker for cancer diagnosis and prognosis. RASSF1A has been shown to play a role in several biological pathways, including cell cycle control, apoptosis and microtubule dynamics. RASSF2, RASSF4, RASSF5 and RASSF6 are also epigenetically inactivated in cancer but have not been analysed in as wide a range of malignancies as RASSF1A. Recently four new members of the RASSF family were identified these are termed N-Terminal RASSF genes (RASSF7-RASSF10). Molecular and biological analysis of these newer members has just begun. This review highlights what we currently know in respects to structural, functional and molecular properties of the N-Terminal RASSFs.
Insights
Epigenetic inactivation of tumor suppressor genes, like Ras Association Domain Family 1 isoform A (RASSF1A), is key in cancer. This review focuses on newly identified N-Terminal RASSF genes (RASSF7-RASSF10) and their properties.
Area of Science:
- Oncology
- Molecular Biology
- Epigenetics
Background:
- Epigenetic inactivation of tumor suppressor genes is a critical mechanism in cancer development.
- Ras Association Domain Family 1 isoform A (RASSF1A) is frequently epigenetically silenced across various cancers, serving as a potential diagnostic and prognostic marker.
- Other RASSF family members (RASSF2, RASSF4-RASSF6) are also epigenetically altered in cancer, though less extensively studied than RASSF1A.
Purpose of the Study:
- To review the current knowledge on the structural, functional, and molecular properties of the newly identified N-Terminal RASSF genes (RASSF7-RASSF10).
- To provide an overview of the emerging research on these novel RASSF family members in the context of cancer biology.
Main Methods:
- Literature review of existing studies on RASSF gene family members.
- Analysis of structural, functional, and molecular data for N-Terminal RASSF genes (RASSF7-RASSF10).
Main Results:
- The N-Terminal RASSF genes (RASSF7-RASSF10) represent a recently identified group within the RASSF family.
- Initial molecular and biological analyses of these newer members have commenced, revealing their potential roles.
Conclusions:
- The N-Terminal RASSF genes warrant further investigation due to their potential involvement in cancer.
- Understanding the properties of RASSF7-RASSF10 could expand our knowledge of tumor suppressor gene functions and cancer mechanisms.
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