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Galectins and cancer
André Danguy1, Isabelle Camby, Robert Kiss
1Laboratory of Histopathology, CP 620, Faculty of Medicine, Université Libre de Bruxelles, 808 Route de Lennik, B-1070, Brussels, Belgium. adanguy@ulb.ac.be
Abstract:
The galectins are a family of proteins that are distributed widely in all living organisms. All of them share galactose-specificity. At present, 14 members of the family are characterized in mammals. The galectins have been implicated in many essential functions including development, differentiation, cell-cell adhesion, cell-matrix interaction, growth regulation, apoptosis, RNA splicing, and tumor metastasis. Although efforts have mostly focused on the possible function of galectins in tumor development and invasiveness, their precise role in this field is still debated. This review discusses the recent way in which the expression of galectins and galectin-binding sites may affect the behavior of a variety of human neoplastic tissues.
Insights
Galectins, a protein family, play roles in various cellular processes. Their exact involvement in human cancer development and spread remains under investigation.
Area of Science:
- Biochemistry
- Molecular Biology
- Oncology
Background:
- Galectins are a conserved protein family with galactose-binding properties.
- Fourteen galectins are identified in mammals, involved in diverse biological functions.
- Galectins are implicated in development, cell adhesion, growth regulation, and tumor metastasis.
Purpose of the Study:
- To review the current understanding of galectin expression in human neoplastic tissues.
- To discuss the impact of galectins and their binding sites on cancer behavior.
Main Methods:
- Literature review of studies on galectin expression in human cancers.
- Analysis of research linking galectin function to neoplastic tissue behavior.
Main Results:
- Galectin expression patterns vary across different human cancers.
- Galectin-binding sites and their modulation influence tumor cell interactions and progression.
- The precise role of galectins in tumorigenesis and metastasis is complex and context-dependent.
Conclusions:
- Galectin expression and binding sites are significant factors influencing human cancer behavior.
- Further research is needed to fully elucidate the therapeutic potential of targeting galectins in oncology.