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Key Documents

L0663

Sigma-Aldrich

Anti-Laminin-2 (α-2 Chain) antibody, Rat monoclonal

clone 4H8-2, purified from hybridoma cell culture

Sinonimo/i:

Anti-Merosin

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About This Item

Numero MDL:
Codice UNSPSC:
12352203
NACRES:
NA.41

Origine biologica

rat

Livello qualitativo

Coniugato

unconjugated

Forma dell’anticorpo

purified immunoglobulin

Tipo di anticorpo

primary antibodies

Clone

4H8-2, monoclonal

Forma fisica

buffered aqueous solution

PM

antigen ~400 kDa (denatured)

Reattività contro le specie

human, mouse

Confezionamento

antibody small pack of 25 μL

Concentrazione

~2 mg/mL

tecniche

immunocytochemistry: suitable
immunohistochemistry (frozen sections): suitable
immunoprecipitation (IP): suitable
indirect ELISA: suitable
indirect immunofluorescence: 4-8 μg/mL using acetone-fixed frozen sections of human tongue
microarray: suitable
western blot: suitable

Isotipo

IgG1

N° accesso UniProt

Condizioni di spedizione

dry ice

Temperatura di conservazione

−20°C

modifica post-traduzionali bersaglio

unmodified

Informazioni sul gene

human ... LAMA2(3908)
mouse ... Lama2(16773)

Descrizione generale

The gene LAMA2 (laminin-2) encodes a protein belonging to a large family of heterotrimeric glycoproteins called laminins. It contains a large globular C-terminal domain that binds to dystroglycan and integrin α7β1 cell receptor specific for myofibers. The amino terminal domain associates with other laminins during the formation of protein meshwork that is involved in the basal membrane supramolecular assembly. The gene is mapped to human chromosome 6q22.33.
Laminin, the most abundant structural and biologically active component in basement membrane, is a complex extracellular glycoprotein of 700-900 kDa that plays an important role in many aspects of the cell biology. It is composed of one α chain (approx. 400 kDa, previously called A chain) one β chain (215 kDa, B1) and one γ chain (205 kDa, B2), held together by disulfide bonds.
Anti-Laminin-2 (α-2 Chain) antibody, Rat monoclonal (rat IgG1 isotype) is derived from the 4H8-2 hybridoma produced by the fusion of rat myeloma cells and splenocytes from a Lewis rat immunized with mouse heart laminin-2.1 The antibody is purified from the culture supernatant of hybridoma cells grown in a bioreactor. Anti-Laminin-2 (α-2 Chain) antibody, Rat monoclonal reacts specifically with mouse1 and human2, laminin-2. The epitope recognized by the antibody resides in the N-terminal portion of the α2 chain of laminin.

Specificità

The epitope recognized by the antibody resides in the N-terminal portion of the α2 chain of laminin.

Immunogeno

Mouse heart laminin-2

Applicazioni

Anti-Laminin-2 (α-2 Chain) antibody, Rat monoclonal has been used in immunofluorescence and immunohistochemistry.

Azioni biochim/fisiol

Laminins are glycoproteins that function in extracellular matrix architecture, cell adhesion, differentiation, and neurite outgrowth. Mutations in the gene LAMA2 (laminin-2) leading to either partial deficiency or complete absence of laminin α2 have been associated with limb-girdle muscular dystrophy (LGMD), characterized by severe, early-onset congenital muscular dystrophy to mild, later childhood-onset limb-girdle type muscular dystrophy, hypotonia with muscle weakness at early infancy, poor spontaneous movements with contractures of the large joints, and weak cry along with respiratory dysfunction.

Stato fisico

Solution in phosphate buffered saline, pH 7.4, containing 15 mM sodium azide.

Nota sulla preparazione

Purified from the culture supernatant of hybridoma cells grown in a bioreactor.

Stoccaggio e stabilità

For continuous use, store at 2-8 °C for up to one month. For extended storage, freeze in working aliquots. Repeated freezing and thawing, or storage in "frostfree" freezers, is not recommended. If slight turbidity occurs upon prolonged storage, clarify the solution by centrifugation before use. Working dilution samples should be discarded if not used within 12 hours.

Esclusione di responsabilità

Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.

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Raccomandato

Codice della classe di stoccaggio

12 - Non Combustible Liquids

Classe di pericolosità dell'acqua (WGK)

nwg

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable


Certificati d'analisi (COA)

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Jennifer D Bernet et al.
Nature medicine, 20(3), 265-271 (2014-02-18)
Skeletal muscle aging results in a gradual loss of skeletal muscle mass, skeletal muscle function and regenerative capacity, which can lead to sarcopenia and increased mortality. Although the mechanisms underlying sarcopenia remain unclear, the skeletal muscle stem cell, or satellite
The role of pericytic laminin in blood brain barrier integrity maintenance.
Gautam J, et.al.
Scientific Reports, 6, 36450-36450 (2016)
Expression and distribution of laminin a1 and a2 chains in embryonic and adult mouse tissues: an immunochemical approach.
Sasaki T, et al.
Experimental Cell Research, 275(2), 185-199 (2002)
Andrea Lh Arnett et al.
Molecular therapy. Methods & clinical development, 1 (2015-01-13)
Adeno-associated viral (AAV) vectors are becoming an important tool for gene therapy of numerous genetic and other disorders. Several recombinant AAV vectors (rAAV) have the ability to transduce striated muscles in a variety of animals following intramuscular and intravascular administration
Thomas C Roberts et al.
Molecular therapy. Nucleic acids, 1, e39-e39 (2013-01-25)
MicroRNAs (miRNAs) are a class of small RNAs that regulate gene expression and are implicated in wide-ranging cellular processes and pathological conditions including Duchenne muscular dystrophy (DMD). We have compared differential miRNA expression in proximal and distal limb muscles, diaphragm

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