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Multiple facets of sialomucin complex/MUC4, a membrane mucin and erbb2 ligand, in tumors and tissues (Y2K update).
TLDR
Results suggest that SMC has multiple functions in epithelia and is tightly regulated in those tissues where its special functions are required, including the mammary gland and uterine luminal epithelium. Expand
Environmental conditions favoring bat infection with Histoplasma capsulatum in Mexican shelters.
TLDR
Present data support a high risk of bat infection with H. capsulatum in Mexican cave environments and identify the fungus isolated from infected bats by its typical mycelial-phase morphology and by its yeast-phase conversion. Expand
Detection of sialomucin complex (MUC4) in human ocular surface epithelium and tear fluid.
TLDR
Sialomucin complex was originally identified in rat mammary adenocarcinoma cells and has recently been shown to be produced by the ocular surface epithelia of rats, identified as the rat homologue of human MUC4 mucin. Expand
Diversity and distribution of Ralstonia solanacearum strains in Guatemala and rare occurrence of tomato fruit infection
TLDR
A sensitive enrichment method did not detect the pathogen in fruits from naturally infected commercial tomato plants in Guatemalan fields and greenhouses, although it was detected in 6% of fruits from a wilt-resistant hybrid. Expand
Sialylation is modulated through maturation in hemocytes from Macrobrachium rosenbergii.
TLDR
The results show that sialylation of freshwater prawn hemocytes is modulated throughout the maturation process, and T and Tn antigens seem to be highly conserved throughout maturation. Expand
Participation of a sialic acid-specific lectin from freshwater prawn Macrobrachium rosenbergii hemocytes in the recognition of non-self cells.
TLDR
The results suggest the active participation of a membrane lectin in the recognition of nonself by hemocytes with phagocytic activity interact positively with rabbit IgG raised against the serum lectin. Expand
Recognition of a CD4+ mouse medullary thymocyte subpopulation by Amaranthus leucocarpus lectin.
We have used the Gal beta(1-->3)GalNAc-specific Amaranthus leucocarpus lectin to isolate a thymus cell subpopulation which is different from that sorted with Arachis hypogaea lectin. The cellsExpand
Relevance of sialoglycoconjugates in murine thymocytes during maturation and selection in the thymus.
TLDR
The results suggest that in the initial stages of the differentiation pathway, a great number of thymocytes express analpha2,6 linked sialic acid on their surface and as they progress to more mature stages there is a change in the sialylation pattern to alpha2,3 linked sIALic acids probably due to a regulated expression of different sIALyltransferases, which could be modulated by the thymic microenvironment. Expand
Cloning and characterization of the 5' flanking region of the sialomucin complex/rat Muc4 gene: promoter activity in cultured cells.
TLDR
The data suggest that the rat SMC/Muc4 promoter has been identified, that it is tissue- (epithelial cell-) specific, and that there are both positive and negative, as well as tissue-specific, regulatory elements in the sequence. Expand
Histoplasma capsulatum yeast cells attach and agglutinate human erythrocytes.
TLDR
Preliminary data of inhibition assays involved a probable ionic strength driven mechanism mediated by sialic acid and heparan sulfate, suggesting that yeast binding to erythrocytes could be associated with negative charges of both molecules. Expand
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