About: Exfoliatin

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Exfoliatin is a Staphylococcus aureus exotoxin that causes a blistering of the skin known as staphylococcal scalded skin syndrome, usually in infants. Exfoliatins are glutamate-specific serine proteases highly specific to desmoglein I, a cadherin (adhesion protein) in the desmosomes of the stratum granulosum that facilitates intercellular adhesion between keratinocytes. The resulting vesicle is an intraepidermal cleft located above the basal cells (suprabasal), between the stratum corneum and stratum spinosum. A very similar non-infectious condition is seen in the autoimmune skin disorder pemphigus vulgaris in which there is an IgG antibody against the cadherin desmoglein 3.

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  • Exfoliatine (lat. Exfoliation, Abblättern) sind hochspezifische Bakterientoxine, die von bestimmten Staphylococcus aureus-Spezies gebildet werden und beim Menschen und manchen Tieren eine Blasenbildung der Haut verursachen können. Man unterscheidet Exfoliatin A (ETA) und Exfoliatin B (ETB, identisch mit D), die sich in der Art der Vererbung unterscheiden: ETB wird plasmid-gebunden, ETA chromosomal vererbt. Die toxische Wirkung ist höchstwahrscheinlich identisch. Sie wirken als glutamatspezifische Serinproteasen, die hochspezifisch das Cadherin Desmoglein I spalten, ein Haftprotein in den Desmosomen des Stratum granulosum, und somit eine intraepidermale Spaltbildung zwischen dem Stratum spinosum und dem Stratum granulosum bewirken. Im Blutkreislauf zirkulierende Exfoliatine verursachen die systemische Hauttoxikose Staphylococcal scalded skin syndrome (SSSS). Bei der großblasigen, staphylokokkeninduzierten Impetigo contagiosa sind Exfoliatine ursächlich für die lokal begrenzte Blasenbildung der Haut verantwortlich. (de)
  • Exfoliatin is a Staphylococcus aureus exotoxin that causes a blistering of the skin known as staphylococcal scalded skin syndrome, usually in infants. Exfoliatins are glutamate-specific serine proteases highly specific to desmoglein I, a cadherin (adhesion protein) in the desmosomes of the stratum granulosum that facilitates intercellular adhesion between keratinocytes. The resulting vesicle is an intraepidermal cleft located above the basal cells (suprabasal), between the stratum corneum and stratum spinosum. A very similar non-infectious condition is seen in the autoimmune skin disorder pemphigus vulgaris in which there is an IgG antibody against the cadherin desmoglein 3. (en)
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  • Exfoliatin is a Staphylococcus aureus exotoxin that causes a blistering of the skin known as staphylococcal scalded skin syndrome, usually in infants. Exfoliatins are glutamate-specific serine proteases highly specific to desmoglein I, a cadherin (adhesion protein) in the desmosomes of the stratum granulosum that facilitates intercellular adhesion between keratinocytes. The resulting vesicle is an intraepidermal cleft located above the basal cells (suprabasal), between the stratum corneum and stratum spinosum. A very similar non-infectious condition is seen in the autoimmune skin disorder pemphigus vulgaris in which there is an IgG antibody against the cadherin desmoglein 3. (en)
  • Exfoliatine (lat. Exfoliation, Abblättern) sind hochspezifische Bakterientoxine, die von bestimmten Staphylococcus aureus-Spezies gebildet werden und beim Menschen und manchen Tieren eine Blasenbildung der Haut verursachen können. Im Blutkreislauf zirkulierende Exfoliatine verursachen die systemische Hauttoxikose Staphylococcal scalded skin syndrome (SSSS). Bei der großblasigen, staphylokokkeninduzierten Impetigo contagiosa sind Exfoliatine ursächlich für die lokal begrenzte Blasenbildung der Haut verantwortlich. (de)
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  • Exfoliatin (de)
  • Exfoliatin (en)
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