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Altered hyaluronan biosynthesis in cancer progression
1Department of Molecular Oncology, Division of Molecular and Cellular Biology, Institute on Aging and Adaptation, Shinshu University Graduate School of Medicine, Nagano 390-8621, Japan.
Seminars in Cancer Biology
|May 3, 2008
Summary
Altered hyaluronan production, regulated by hyaluronan synthase (HAS) genes, promotes cancer progression and metastasis. Overproduction of hyaluronan in tumors accelerates growth by recruiting stromal cells and vasculature.
Area of Science:
- Oncology
- Molecular Biology
- Biochemistry
Background:
- Cancer cell malignant phenotype is influenced by microenvironmental stimuli.
- Altered hyaluronan biosynthesis is linked to carcinoma progression and metastasis.
- Hyaluronan synthase (HAS) genes encode key enzymes in hyaluronan biosynthesis.
Purpose of the Study:
- To understand the mechanisms of altered hyaluronan production in cancer.
- To investigate the role of hyaluronan in tumor progression.
- To elucidate how hyaluronan influences malignant behaviors of cancer cells.
Main Methods:
- Utilizing HAS transgenic mouse models.
- Analyzing mammary tumor development and growth.
- Investigating the recruitment of stromal cells and vasculature.
Main Results:
- Overproduction of hyaluronan in mammary tumors was observed.
- Accelerated tumor growth was associated with hyaluronan overproduction.
- Evidence suggests hyaluronan recruits stromal cells and vasculature to tumors.
Conclusions:
- Hyaluronan plays a significant role in promoting tumor growth and metastasis.
- Understanding HAS gene function provides insight into cancer progression.
- Targeting hyaluronan biosynthesis may offer therapeutic strategies for cancer.
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