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Galactosaminoglycans: Medical Applications and Drawbacks
Vitor H Pomin1,2, William P Vignovich3, Alysia V Gonzales3
1Department of Biomolecular Sciences, School of Pharmacy, University of Mississippi, Oxford, MS 38677-1848, USA. vpomin@olemiss.edu.
Molecules (Basel, Switzerland)
|August 4, 2019
Summary
Galactosaminoglycans (GalAGs), including chondroitin sulfates (CSs) and fucosylated CSs (FCS), offer therapeutic potential but raise concerns. Research highlights both benefits and potential risks, necessitating careful evaluation for medical applications.
Area of Science:
- Biochemistry
- Glycobiology
- Pharmacology
Background:
- Galactosaminoglycans (GalAGs) are sulfated glycans with diverse biomedical functions.
- Chondroitin sulfates (CSs) and fucosylated chondroitin sulfates (FCS) are key examples with therapeutic applications.
- Recent concerns question the efficacy and safety of GalAG-based therapies.
Purpose of the Study:
- To review current and potential therapeutic applications of GalAGs, including marine-derived sources.
- To discuss potential drawbacks and side effects associated with GalAGs in medicine.
- To provide a balanced perspective on GalAGs in light of recent scientific scrutiny.
Main Methods:
- Literature review of GalAGs, focusing on their structure, modifications, and biomedical properties.
- Analysis of research on therapeutic uses of CSs and FCS.
- Examination of studies addressing safety concerns and unexpected components in GalAG preparations.
Main Results:
- GalAGs exhibit varied biomedical functions dependent on composition and modifications like sulfation and fucosylation.
- CSs are used for joint pain and osteoarthritis; FCS shows anticoagulant and other activities.
- Concerns exist regarding the effectiveness of CS supplements and the safety of FCS, with unexpected contaminants found in CS products.
Conclusions:
- GalAGs present significant therapeutic promise, particularly those from marine sources.
- Critical evaluation of GalAG efficacy and safety is crucial due to emerging concerns.
- Further research is needed to clarify the risks and benefits of GalAGs in medical practice.
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