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Hyaluronan and morphogenesis.
Andrew P Spicer1, Janet Y L Tien
1Center for Extracellular Matrix Biology, Institute of Biosciences and Technology, Texas A&M University System Health Science Center, Houston, Texas, USA. andrewp_spicer@hotmail.com
Birth Defects Research. Part C, Embryo Today : Reviews
|April 1, 2004
Summary
Hyaluronan, a complex carbohydrate polymer, is crucial for vertebrate development and morphogenetic processes. Recent research has identified its key roles and molecular players, advancing our understanding of this extracellular matrix component.
Area of Science:
- Biochemistry
- Developmental Biology
- Extracellular Matrix Biology
Background:
- Hyaluronan (HA) was previously viewed as a simple space-filling molecule in the extracellular matrix.
- Recent research highlights HA's complex functional roles in biological processes.
- HA is a unique carbohydrate polymer found in many extracellular matrices.
Purpose of the Study:
- To review recent advances in understanding hyaluronan's biosynthesis, turnover, and binding proteins.
- To elucidate hyaluronan's role in morphogenetic processes during vertebrate development.
- To provide insight into how hyaluronan regulates vertebrate development.
Main Methods:
- Molecular identification and cloning of hyaluronan synthases, hyaluronidases, and hyaladherins.
- Gene targeting strategies to create knockout mice deficient in specific hyaluronan-related gene products.
- Review of recent literature on hyaluronan's biological functions and developmental roles.
Main Results:
- Significant progress has been made in identifying and characterizing the molecular components involved in hyaluronan metabolism and function.
- Genetic inactivation of hyaluronan-related genes in mice has provided insights into their in vivo functions.
- Hyaluronan is implicated in essential vertebrate developmental processes, including neural crest formation, skeletal development, and organogenesis.
Conclusions:
- Hyaluronan is a critical regulator of vertebrate development, essential for the formation and function of various tissues and structures.
- Advances in molecular biology and genetic models have greatly expanded our understanding of hyaluronan's multifaceted roles.
- Further research into hyaluronan's functions promises to uncover new therapeutic targets for developmental disorders.