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keratosis/carbohydrate
L'enllaç es desa al porta-retalls
9 resultats
Cell surface carbohydrates in proliferative epidermal lesions. II. Masking of peanut agglutinin (PNA) binding sites in solar keratoses, Bowen's disease, and squamous cell carcinoma by neuraminic acid.
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Seventy-six skin biopsies of proliferative lesions were studied by using 4 different lectins and an avidin-biotin-peroxidase complex. In solar keratosis, Bowen's disease and squamous cell carcinoma, malignant-appearing keratinocytes exhibited loss of membrane staining with Concanavalia ensiformis
[Expression of epidermal growth factor receptor in patients with insulin resistance and seborrheic keratomas].
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OBJECTIVE
to study the expression of epidermal growth factor receptor (EGFR) in patients with seborrheic keratomas (SK) and insulin resistance (type 2 diabetes mellitus (DM2)) and in those without concomitant carbohydrate metabolic disturbances.
METHODS
80 patients with SK were examined. According
Beta-1,3-D-glucan gel in the treatment of solar keratoses.
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beta-1,3-D-glucans are yeast-derived carbohydrate polymers which have been shown to be potent immunoresponse modulators which promote the regression of certain tumours. To date there is no published data concerning the efficacy of topical beta-1,3-D-glucan in the treatment of solar keratoses. This
Cell-surface carbohydrates in proliferative epidermal lesions. Distribution of A, B, and H blood group antigens in benign and malignant lesions.
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The distribution of A, B, and H blood group antigens was studied by means of peroxidase-antiperoxidase technique in normal skin and in lesions of carcinomas in situ (solar keratoses, Bowen's disease), squamous cell carcinoma, keratoacanthomas, and verrucae. In normal skin, the epidermis of persons
The use of the lectin Ulex europeus to study epithelial cell differentiation in neoplastic and non-neoplastic oral white lesions.
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Ulex europeus (Ulex 1) has been used to study the expression of cell surface alpha-L-fucose on oral epithelial cells of normal human mucosa, white lesions and carcinomas. In normal tissue and in 11 of 12 specimens of non-specific keratoses (leukoplakia), Ulex 1 stained epithelial spinous cells only.
Glycopathological study of eyelid tumors and pseudotumors.
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The expression of MUC1, Tn (GalNAc alpha 1-O-Ser/Thr) and sialosyl Tn (STn) (NeuAc alpha 2,6 GalNAc alpha 1-O-Ser/Thr) antigens, which are useful markers for the prognosis of cancer in other organs, was examined immunohistochemically in a series of 45 eyelid tumors and 5 pseudotumors: basal cell
Epidermotropically metastatic pancreatic adenocarcinoma.
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We describe an epidermotropically metastatic pancreatic mucinous ductal adenocarcinoma on the scalp. Neoplastic glandular structures that varied in size and shape containing abundant mucin within the lumens and in the neoplastic cells were present within a seborrheic keratosis and adjacent normal
Spermidine/spermine-N(1)-acetyltransferase: a key metabolic regulator.
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Spermidine/spermine-N(1)-acetyltransferase (SSAT) regulates cellular polyamine content. Its acetylated products are either excreted from the cell or oxidized by acetylpolyamine oxidase. Since polyamines play critical roles in normal and neoplastic growth and in ion channel regulation, SSAT is a key
Glycophenotype evaluation in cutaneous tumors using lectins labeled with acridinium ester.
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BACKGROUND
Tumor cells show alterations in their glycosylation patterns when compared to normal cells. Lectins can be used to evaluate these glycocode changes. Chemiluminescence assay is an effective technique for quantitative analysis of proteins, nucleic acids, and carbohydrates due to its high
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