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Anchoring fibrils information


Anchoring fibrils (composed largely of type VII collagen) extend from the basal lamina of epithelial cells and attach to the lamina reticularis (also known as the reticular lamina) by wrapping around the reticular fiber (collagen III) bundles. The basal lamina and lamina reticularis together make up the basement membrane. Anchoring fibrils are essential to the functional integrity of the dermoepidermal junction.

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Anchoring fibrils

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Anchoring fibrils (composed largely of type VII collagen) extend from the basal lamina of epithelial cells and attach to the lamina reticularis (also...

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Collagen

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Interrupted Triple Helices) (Type XIII, XVII) Microfibril forming (Type VI) Anchoring fibrils (Type VII) The five most common types are: Type I: skin, tendon, vasculature...

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Dermoepidermal junction

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the anchoring filaments of hemidesmosomes; the cells of the papillary layer of the dermis are attached to the basement membrane by anchoring fibrils, which...

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Basement membrane

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connective tissue attaches to the basal lamina with collagen VII anchoring fibrils and fibrillin microfibrils. The basal lamina layer can further be...

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Epidermolysis bullosa dystrophica

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dimerizes to form a semicircular looping structure: the anchoring fibril. Anchoring fibrils are thought to form a structural link between the epidermal...

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Lamina densa

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cells of the epidermis, and composed of (1) type IV collagen, (2) anchoring fibrils made of type VII collagen, and (3) dermal microfibrils. Basal lamina...

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Basal lamina

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("BL") and those of the basement membrane ("BM") are described below: Anchoring fibrils composed of type VII collagen extend from the basal lamina into the...

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Hemidesmosome

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epidermolysis bullosa, the layers of the papillary dermis separate from the anchoring fibrils. This is caused by mutations in the collagen 7 gene. Desmosome Epidermolysis...

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Immune electron microscopy

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cutaneous lesions. In this case, scientists discovered insufficient anchoring fibrils in the basement membrane, which caused the skin to be more fragile...

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Cell junction

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IK, Spurr-Michaud SJ, Tisdale AS (April 1988). "Hemidesmosomes and anchoring fibril collagen appear synchronously during development and wound healing"...

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Bart syndrome

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epidermolysis bullosa caused by ultrastructural abnormalities in the anchoring fibrils. Genetic linkage of the inheritance of the disease points to the region...

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Histology of the vocal cords

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"Epidermolysis bullosa dystrophica-recessive: a possible role of anchoring fibrils in the pathogenesis". J. Invest. Dermatol. 65 (2): 203–11. doi:10...

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Epidermolysis bullosa acquisita

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around age 50. It is caused by antibodies to type VII collagen within anchoring fibril structures located at the dermoepidermal junction in skin. Damaged...

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Prion

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of amyloid fibrils. The presence of amyloid fibrils in patients with degenerative diseases has been well documented. These amyloid fibrils are seen as...

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Tendon

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spontaneously assemble into insoluble fibrils. A collagen molecule is about 300 nm long and 1–2 nm wide, and the diameter of the fibrils that are formed can range...

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Cell nucleus

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the protein components instead form a perinucleolar cap. Perichromatin fibrils are visible only under electron microscope. They are located next to the...

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Tonofibril

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desmosomes and hemidesmosomes. They consist of fine fibrils in epithelial cells that are anchored to the cytoskeleton. They were discovered by Rudolf...

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Bone morphogenetic protein 1

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bone morphogenetic protein-1 family convert procollagen VII to mature anchoring fibril collagen". J. Biol. Chem. 277 (29): 26372–8. doi:10.1074/jbc.M203247200...

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Solar prominence

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these fibrils are oriented depend on the chirality of the channel. On the side of the PIL with positive magnetic polarity, dextral channels have fibrils which...

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Tight junction protein 1

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as a scaffold protein which cross-links and anchors Tight Junction (TJ) strand proteins, which are fibril-like structures within the lipid bilayer, to...

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Bioinspired armor

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mineralized. The collagen fibril alignment in the composite material plays a large role in the material properties. These collagen fibrils form a structure known...

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Agrobacterium tumefaciens

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apparently are involved in the actual synthesis of the cellulose fibrils. These fibrils also anchor the bacteria to each other, helping to form a microcolony...

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Actin

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form microfilaments in the cytoskeleton, and the thin filaments in muscle fibrils. It is found in essentially all eukaryotic cells, where it may be present...

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Muscle

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its striated (striped) appearance. Skeletal muscle is voluntary muscle, anchored by tendons or sometimes by aponeuroses to bones, and is used to effect...

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Axoneme

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rooster sperm flagellum could be splayed into as many as 11, longitudinal fibrils. About 60 years later, Grigg and Hodge in 1949 and a year later Manton...

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Stigmaria

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in spiral lines and consist of scalariform wall thickenings, while the fibrils are similar to those in the aerial branches. The scalariform tracheids...

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Dermal fibroblast

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strength. Type I collagen which includes collagen strands bundled into strong fibrils has a unique tri-helical structure which increases the proteins structural...

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Huntingtin

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WE (2016). "Delayed Emergence of Subdiffraction-Sized Mutant Huntingtin Fibrils Following Inclusion Body Formation". Q Rev Biophys. 49: e2. doi:10.1017/S0033583515000219...

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Protein

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specifically to other copies of the same molecule, they can oligomerize to form fibrils; this process occurs often in structural proteins that consist of globular...

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