Lecture 19 Extracellular Matirx

Lecture 19 Extracellular Matirx - Lecture 19 Organization...

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Lecture 19 Organization of cells into tissues Extracellular matrices Components Integrins Cell-cell interactions Proteins responsible
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Homework F = 23.06 kcal/V Problems: Missing or incorrect units Many people subtracted -0.031 rather than subtracting 0.031
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Main Points of the Day Most mammalian cells must be organized in tissues to carry out specific functions Cells interact both with other cells and with acellular material (extracellular matrix) Specialized integral proteins in the plasma membrane are responsible for either cell- matrix or cell-cell interactions
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Interaction of Cells With Their Environment Extracellular Matrix Network of materials outside the cell (attached) Composed primarily of glycoproteins and proteoglycans Can be for structural support (basement membrane) Can play a role in regulating ion flow to cells In embryo, can create paths for cell migration 0
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Components of the Extracellular Matrix 0
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Collagen Rebar Tropocollagen Collagen Fibrils 0
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Proteoglycan Proteoglycan Aggregate Glycosaminoglycans 0
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Fibronectin 0
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Lecture 19 Extracellular Matirx - Lecture 19 Organization...

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