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C8374

Sigma-Aldrich

Human Collagen Type IV

from human placenta, powder

Synonim(y):

Collagen from human placenta, Collagen Type 4

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About This Item

Numer CAS:
Numer WE:
Numer MDL:
Kod UNSPSC:
12352202
NACRES:
NA.61

product name

Collagen from human placenta, Bornstein and Traub Type IV, powder

pochodzenie biologiczne

human placenta

Poziom jakości

Próba

>85% (SDS-PAGE)

Postać

powder

metody

cell culture | stem cell: suitable

zanieczyszczenia

HIV, hepatitis B and hepatitis C, none detected

rozpuszczalność

0.5 M acetic acid: 1 mg/mL, clear to very slightly hazy

temp. przechowywania

−20°C

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Zastosowanie

Type IV collagen has been found to play a key role in angiogenesis, neurological diseases and metastasis. Collagen from human placenta has been used to assess the bioelectric effects of quinine on airway epithelial cells, to study the selective toxicity of engineered lentvirus lytic peptides and in a particle aggregation assay for the rapid detection of fibronectin, fibrinogen and collagen receptors on Staphylococcus aureus. It has also been used in a magnesium-dependent, collagen-binding assay during characterization of human lung tumor-associated antigens.

Działania biochem./fizjol.

During development, collagen IV is ubiquitously distributed in BMs. During the maturation process, this network gets partially replaced in a remarkably tissue specific manner, defining BM structure and function. Collagen IV has been shown to bind to platelets, hepatocytes, keratinocytes, endothelial, mesangial, pancreatic cells and some tumor cells.

Tissue injury in the autoimmune disease Goodpasture syndrome is due to pathogenic autoantibodies targeting the Collagen IV α3 chain . Mutations in COL4A5 are associated with Alport syndrome.

Komponenty

All collagen molecules are composed of three polypeptide chains arranged in a triple helical conformation, with a primary structure that is mostly a repeating motif with glycine in every third position and proline or 4-hydroxyproline frequently preceding the glycine residue. Type IV collagen occurs only in the basement membranes and contains up to six genetically distinct a-chains.

Przestroga

This product should be stored desiccated at -20°C, and will retain activity in these conditions for 3 years.

Uwaga dotycząca przygotowania

This powder can be reconstituted in sterile .5 M acetic acid, PBS or water at 1 mg/mL. A PBS solution will be stable for at least one year at -20°C.

Komentarz do analizy

An SDS polyacrylamide gel electrophoresis test run under reducing conditions consistent with basement membrane collagen yields three major bands.

Inne uwagi

Collagen is classified into a number of structurally and genetically distinct types. We use the nomenclature proposed by Bornstein and Traub. Be wary of confusing Sigma-type designations with recognized collagen classification types.
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Kod klasy składowania

11 - Combustible Solids

Klasa zagrożenia wodnego (WGK)

WGK 1

Temperatura zapłonu (°F)

Not applicable

Temperatura zapłonu (°C)

Not applicable


Certyfikaty analizy (CoA)

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Odwiedź Bibliotekę dokumentów

Jian Liu et al.
Stem cell research & therapy, 11(1), 348-348 (2020-08-14)
The biological role of miR-203 and the underlying mechanisms on the proliferation of epidermal stem cells (ESCs) have not yet been reported during the progression of chronic wound healing in diabetes mellitus. Our previous studies have observed that the expression
R Kalluri et al.
Proceedings of the National Academy of Sciences of the United States of America, 91(13), 6201-6205 (1994-06-21)
Human Goodpasture syndrome is a lethal form of autoimmune disease that is characterized by pulmonary hemorrhage and glomerulonephritis. The tissue injury is mediated by autoantibodies that bind to glomerular and alveolar basement membrane. The target autoantigen is alpha 3(IV) collagen
Type IV collagen: structure, gene organization, and role in human diseases. Molecular basis of Goodpasture and Alport syndromes and diffuse leiomyomatosis.
B G Hudson et al.
The Journal of biological chemistry, 268(35), 26033-26036 (1993-12-15)
Simon Holland et al.
Current opinion in ophthalmology, 24(4), 302-309 (2013-05-18)
Topography-guided laser refractive surgery regularizes the front corneal surface irregularities to achieve the desired refractive outcome. This is particularly applicable in highly aberrated corneas, where wavefront aberrometry is often not possible. This article aims to review the recently published results
V K Il'in et al.
Vestnik Rossiiskoi akademii meditsinskikh nauk, (2)(2), 56-62 (2013-07-04)
Dysbiotic shifts in intestinal and pharyngeal microflora were studied in 22 normal volunteers in 9-, 14-, 105- and 520-d chamber experiments simulating some of the spaceflight factors. Two preparations were administered to prevent pharyngeal and intestinal dysbiosis: oral dry probiotic

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