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L6274

Sigma-Aldrich

Laminin from human placenta

liquid, BioReagent, suitable for cell culture

Synonyme(s) :

Cell culture grade laminin, Human Laminin

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About This Item

Numéro CAS:
114956-81-9
Numéro MDL:
MFCD00081739
Code UNSPSC :
12352202
Nomenclature NACRES :
NA.77

Source biologique

human placenta

Niveau de qualité

300

Gamme de produits

BioReagent

Forme

liquid

Concentration

0.5 mg/mL in Tris-buffered saline

Technique(s)

cell culture | mammalian: suitable

Couverture de surface

1‑2 μg/cm2

Numéro d'accès UniProt

P07942

Conditions d'expédition

dry ice

Température de stockage

−70°C

Informations sur le gène

human ... LAMB1(3912)

Application

Laminin supports growth and differentiation of many cell types including epithelial, endothelial, neural, muscle and liver cells. It is recommended for use as a cell culture substratum at 1-2 μg/cm2. The optimal concentration does depend on cell type as well as the application or research objectives.

Actions biochimiques/physiologiques

Laminin proteins are integral components of structural scaffolding in animal tissues. They associate with type IV collagen via entactin and perlecan and bind to cell membranes through integrin receptors, dystroglycan glycoprotein complexes and Lutheran blood group glycoproteins. Laminin has active domains for collagen binding, cell adhesion, heparin binding, and neurite outgrowth fragment.

Composants

Laminin is an extracellular matrix multidomain trimeric glycoprotein, and is the main non-collagenous component of basal lamina that supports adhesion, proliferation and differentiation. Laminin is composed of both A, B1 and B2 chains, which are connected by many disulfide bonds. This laminin product is purified from human placenta using pepsin treatment and immunoaffinity chromatography. SDS-PAGE results in two major bands at 50 kDa and 130-160 kDa.

Attention

It is recommended to store this product at -70°C, where it will remain stable for two years.

Notes préparatoires

This product is supplied at a concentration of 0.5 mg/mL in 50 mM Tris-HCl, with 150 mM NaCl. It is 0.2 μm filtered. Thaw this solution slowly before use at 2-8°C to avoid gel formation. For use as a coating, dilute in a sterile balanced salt solution, coat culture surface with a minimal volume and incubate at 37°C for two hours. Wash 3 times with PBS before plating cells. Laminin coatings can be stored for one month at 2-8°C.

Code de la classe de stockage

10 - Combustible liquids

Classe de danger pour l'eau (WGK)

WGK 3

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

Certificats d'analyse (COA)

Recherchez un Certificats d'analyse (COA) en saisissant le numéro de lot du produit. Les numéros de lot figurent sur l'étiquette du produit après les mots "Lot" ou "Batch".

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Satu Marja Myllymäki et al.
PloS one, 6(5), e19453-e19453 (2011-05-17)
Formation of apical compartments underlies the morphogenesis of most epithelial organs during development. The extracellular matrix (ECM), particularly the basement membrane (BM), plays an important role in orienting the apico-basal polarity and thereby the positioning of apical lumens. Integrins have
Sandhanakrishnan Cattavarayane et al.
BMC cell biology, 16, 3-3 (2015-04-19)
The growth properties and self-renewal capacity of embryonic stem (ES) cells are regulated by their immediate microenvironment such as the extracellular matrix (ECM). Integrins, a central family of cellular ECM receptors, have been implicated in these processes but their specific
Vivek K Vishnudas et al.
Human molecular genetics, 18(23), 4467-4477 (2009-08-21)
The severely debilitating disease Congenital Muscular Dystrophy Type 1A (MDC1A) is caused by mutations in the gene encoding laminin-alpha2. Bax-mediated muscle cell death is a significant contributor to the severe neuromuscular pathology seen in the Lama2-null mouse model of MDC1A.
Danielle K Lewis et al.
Aging cell, 7(6), 836-849 (2008-09-10)
Astrocytes comprise a large proportion of the central nervous system support cells and play a critical role in neural injury and repair. The present study examined the impact of ovarian aging using an ex vivo model system, where astrocytes were
Terhi P Teräväinen et al.
PloS one, 8(8), e71485-e71485 (2013-08-27)
The properties of epithelial cells within tissues are regulated by their immediate microenvironment, which consists of neighboring cells and the extracellular matrix (ECM). Integrin heterodimers orchestrate dynamic assembly and disassembly of cell-ECM connections and thereby convey biochemical and mechanical information
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