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LECSTER is the largest, open-access searchable database of lectin characterizations, clinical correlates and citations on the Internet.

Programmed and curated by Peter D'Adamo.

Copyright 2001-2011.

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Total number of records: 619 Matching records: 1

Helix pomatia : Roman snail

Molecular structure of
Roman snail:HPA

Helix pomatia

Lecster ID:273 Edit Entry
Source Organism:Roman snail
Species:Helix pomatia
Common Nomenclature:HPA
Index Nomenclature:LECi.Hel.Pom.xx.Xxxx
Characterization Notes:For discussion of Helix pomatia isolectins, see: Biochim Biophys Acta 1979 Jul 25;579(1):52-61 For binding of psoriatic skin by HPA, see: Z Hautkr 1986 Sep 1;61(17):1241-9 Helix aspersa also contain the same lectin. See: Z Naturforsch [C]. 1985 Mar-Apr;40(3-4):254-61.
Biological Activity:HPA is fairly specific for blood group A antigen. N -acetyl-galactosamine/-glucosamine residues, recognized by HPA, are linked to metastasis in malignant melanoma. In contrast, beta1-6 branched oligosaccharides or sialic acid residues, both of which were correlated with metastasis in other malignancies, are of no functional importance for metastasis formation in malignant melanoma. Thus, HPA proved to be a useful and independent prognostic marker for the metastatic phenotype of melanoma. See: Br J Cancer 2001 Mar 23;84(6):819-23
Source Tissue:
Specificity:Terminal alpha-N-acetyl-D-galactosaminyl
References:Ultrastruct Pathol. 1995 Jan-Feb;19(1):51-9.

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By Peter D'Adamo. Copyright 2001-2011.