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Immunomodulation of fucosyl-lactose and lacto-N-fucopentaose on mononuclear cells from multiple sclerosis and healthy subjects

Sotgiu, Stefano and Arru, Giannina and Sanna, Alessandra and Fois, Maria Laura and Musumeci, Maria and Rosati, Giulio and Musumeci, Salvatore (2006) Immunomodulation of fucosyl-lactose and lacto-N-fucopentaose on mononuclear cells from multiple sclerosis and healthy subjects. International Journal of Biomedical Science, Vol. 2 (2), p. 114-120. ISSN 1555-2810. Article.

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The 1,2-fucosyl-oligosaccharides, and among these the 2’-fucosyl-lactose (2’-FL) and lacto-N-fucopentaose (LNFP)-I, are quantitatively the most represented oligosaccharides of human milk. They are also seen to represent an important immune device to prevent nursing infants from severe infectious diarrhoea. Recent evidences show that the appearance of 2’-FL and LNFP-I in human colostrums is synchronised with the macrophage inhibition and that LNFP-III induces a Th2 response from the mouse peripheral immune system. Since mannosyl-fucosyl receptors are described on the macrophage surface, all these evidences allow us to investigate on the possible immune function of human 2’-FL and LNFP-I in vitro on LPS-activated mononuclear cells (MNC) from 12 patients with multiple sclerosis (MS) and 20 matched health controls (HC). We found that 2’-FL and LNFP-I significantly decrease, to a different extent, the MNC proliferation from both HC and MS patients, in a linear and dose-dependent manner. 2’-FL and LNFPI also reduce the production of IL-12 and IFN-γ, particularly in MS patients as compared to HC (p=0.01 and p<0.001, respectively), while increasing that of IL- 10. The overall immunomodulatory effect of 2’-FL and LNFP I here presented may represent a future therapeutic option for the abnormal immune response found in some monocyte-mediated diseases.

Item Type:Article
ID Code:449
Uncontrolled Keywords:Mononuclear cells, 2-fucosyl-lactose, lacto-N-fucopentaose I, multiple sclerosis
Subjects:Area 06 - Scienze mediche > MED/26 Neurologia
Divisions:001 Università di Sassari > 03 Istituti > Clinica neurologica
001 Università di Sassari > 01 Dipartimenti > Neuroscienze, scienze materno infantili
002 Altri enti e centri di ricerca del Nord Sardegna > CNR-Consiglio Nazionale delle Ricerche > Istituto di genetica delle popolazioni, Alghero
Publisher:Master Publishing Group
Publisher Policy:Depositato per gentile concessione dell'Editore
Deposited On:18 Aug 2009 10:02

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