Article (Scientific journals)
Differential expression of galectin-1 and galectin-3 during first trimester human embryogenesis.
van den Brûle, Frédéric; Fernandez, Pedro L.; Buicu, Crina et al.
1997In Developmental Dynamics, 209 (4), p. 399-405
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Keywords :
Antigens, Differentiation/biosynthesis; Bone and Bones/embryology/metabolism; Cartilage/embryology/metabolism; Digestive System/embryology/metabolism; Embryo, Mammalian/metabolism; Embryonic and Fetal Development; Female; Galectin 1; Galectin 3; Gonads/embryology/metabolism; Heart/embryology; Hemagglutinins/biosynthesis; Humans; Liver/embryology/metabolism; Mesoderm/metabolism; Muscle, Skeletal/embryology/metabolism; Muscle, Smooth/embryology/metabolism; Myocardium/metabolism; Nervous System/embryology/metabolism; Notochord/embryology/metabolism; Pregnancy; Pregnancy Trimester, First; Respiratory System/embryology/metabolism; Skin/embryology/metabolism; Urinary Tract/embryology/metabolism
Abstract :
[en] Development of complex organisms requires specific temporospatial differentiation and expression of the correct phenotype through activation of a variety of genes. Galectins are mammalian lectins able to interact with various extracellular matrix glycoconjugates and have been implicated in several biological events including cell attachment, differentiation, apoptosis, embryogenesis, and cancer invasion and metastasis. In this study, we have examined the expression of galectin-1 and galectin-3 during human first trimester embryogenesis using immunohistochemistry and Western blotting. Variable amounts of galectin-1 and galectin-3 were detected in all tissue protein extracts. Galectin-1 expression was demonstrated in the connective tissue and derived tissues such as smooth and striated muscle cells, and in some epithelia, such as in the basal layers of the skin after 14 weeks and in the epithelial cells of the gonads. Galectin-3 was detected mainly in epithelia, such as the skin, epithelial lining of the digestive and respiratory tract, and urothelium and excretory tubes of the kidney, but also in the myocardial cells, in the peripheral and preossifying hypertrophic chondrocytes, and in the notochord and in the liver. Our study constitutes the first demonstration of galectin-1 and galectin-3 during human embryogenesis. The differential expression of these two lectins suggests that they could participate in the complex processes of tissue differentiation.
Disciplines :
Biochemistry, biophysics & molecular biology
Anatomy (cytology, histology, embryology...) & physiology
Human health sciences: Multidisciplinary, general & others
Author, co-author :
van den Brûle, Frédéric;  Université de Liège - ULiège > Laboratoire de recherche sur les métastases
Fernandez, Pedro L.;  Hospital Clinic and Medical School, Barcelona, Spain > Department of Anatomical Pathology
Buicu, Crina;  Université de Liège - ULiège > Laboratoire de recherche sur les métastases
Liu, Fu-Tong;  La Jolla Institute for Allergy and Immunology, San Diego, CA, USA > L
Jackers, Pascale ;  Université de Liège - ULiège > Laboratoire de recherche sur les métastases
Lambotte, René;  Université de Liège - ULiège > Department of Obstetrics and Gynecology
Castronovo, Vincenzo ;  Université de Liège - ULiège > Laboratoire de recherche sur les métastases
Language :
English
Title :
Differential expression of galectin-1 and galectin-3 during first trimester human embryogenesis.
Publication date :
August 1997
Journal title :
Developmental Dynamics
ISSN :
1058-8388
eISSN :
1097-0177
Publisher :
Wiley Liss, Inc., New York, United States - New York
Volume :
209
Issue :
4
Pages :
399-405
Peer reviewed :
Peer Reviewed verified by ORBi
Name of the research project :
BIOMED 1 (No. BMH-1-CT92-0520)
Funders :
Association Sportive contre le Cancer
Télévie [BE]
Available on ORBi :
since 09 July 2009

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