5'-Methylthioadenosine and Cancer: old molecules, new understanding
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Updated: Aug 17, 2026

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Published on: December 9, 2015
Yaofeng Li1, Yubo Wang2, Ping Wu1
1Department of Pathophysiology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China.
Abstract:
While the metabolic changes in cancer tissues were first observed by Warburg Otto almost a century ago, altered metabolism has recently returned as a focus of cancer research. 5'-Methylthioadenosine (MTA) is a naturally occurring sulfur-containing nucleoside found in numerous species. While MTA was first isolated several decades ago, a lack of sensitive and specific analytical methodologies designed for its direct quantification has hampered the study of its physiological and pathophysiological features. Many studies indicate that MTA suppresses tumors by inhibiting tumor cell proliferation, invasion, and the induction of apoptosis while controlling the inflammatory micro-environments of tumor tissue. In this review, we assessed the effects of MTA and of related materials on the growth and functions of normal and malignant cells.
Insights
5'-Methylthioadenosine (MTA) shows promise in cancer research by inhibiting tumor cell growth and invasion. This review assesses MTA's effects on normal and malignant cells, highlighting its potential as an anti-cancer agent.
Area of Science:
- Oncology
- Biochemistry
- Molecular Biology
Background:
- Altered cellular metabolism is a hallmark of cancer, a concept first described by Warburg.
- 5'-Methylthioadenosine (MTA) is a naturally occurring nucleoside with emerging roles in cancer biology.
- Previous research on MTA's physiological and pathophysiological roles has been limited by analytical challenges.
Purpose of the Study:
- To review the known effects of 5'-Methylthioadenosine (MTA) on cellular processes.
- To evaluate MTA's potential as an anti-cancer agent by examining its impact on tumor growth and function.
- To discuss the influence of MTA on the tumor microenvironment.
Main Methods:
- Literature review of existing studies on MTA.
- Analysis of data on MTA's effects on normal and malignant cell proliferation, invasion, and apoptosis.
- Assessment of MTA's role in modulating the tumor inflammatory microenvironment.
Main Results:
- MTA demonstrates anti-tumor properties, including inhibition of tumor cell proliferation and invasion.
- MTA can induce apoptosis in cancer cells.
- MTA plays a role in regulating the inflammatory milieu within tumor tissues.
Conclusions:
- 5'-Methylthioadenosine (MTA) exhibits significant anti-cancer potential through multiple mechanisms.
- Further research into MTA and related compounds could lead to novel cancer therapies.
- Improved analytical methods are crucial for deeper understanding of MTA's biological functions.
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