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Principaux documents

SAB4200010

Sigma-Aldrich

Anti-Leupaxin (N-terminal) antibody produced in rabbit

enhanced validation

affinity isolated antibody, buffered aqueous solution

Synonyme(s) :

Anti-LDPL, Anti-LPXN

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About This Item

Code UNSPSC :
12352203
Nomenclature NACRES :
NA.41

Source biologique

rabbit

Conjugué

unconjugated

Forme d'anticorps

affinity isolated antibody

Type de produit anticorps

primary antibodies

Clone

polyclonal

Forme

buffered aqueous solution

Poids mol.

antigen ~43 kDa

Espèces réactives

human

Validation améliorée

recombinant expression
Learn more about Antibody Enhanced Validation

Technique(s)

western blot: 1-2 μg/mL using extracts of Raji cells

Numéro d'accès UniProt

Conditions d'expédition

dry ice

Température de stockage

−20°C

Modification post-traductionnelle de la cible

unmodified

Informations sur le gène

human ... LPXN(9404)

Description générale

Leupaxin gene is mapped to human chromosome 11q12.1. Leupaxin belongs to the paxillin protein family It is mainly expressed in macrophages, lymphoid tissues and hematopoietic cells. Leupaxin comprises two types of protein interaction domains, LIM domain and leucine−aspartate (LD) motifs. LIM domains mediate localization to focal contacts. LD motifs facilitates focal adhesion kinase (FAK) and vinculin binding, resulting in the localization of focal adhesion kinase (FAK) to focal adhesions. The C-terminal LIM domains in leupaxin share 70% amino acid identity with paxillin. The N-terminal region of leupaxin comprises three short stretches of 13 amino acids that share 70− 90% similarity with paxillin LD motifs.

Spécificité

Anti-Leupaxin (N-terminal) specifically recognizes human leupaxin.

Application

Anti-Leupaxin antibody produced in rabbit has been used in immunoblotting and proximity ligation assay.

Actions biochimiques/physiologiques

Leupaxin in association with a second focal adhesion kinase (FAK) family member, PYK2, acts a cell type-specific signaling complex regulator in leukocytes. It acts as a tyrosine kinase substrate in lymphoid cells and thus, may function in and be regulated by tyrosine kinase activity. Leupaxin facilitates adhesion and invasion of prostate carcinoma cells. It can form a complex with PYK2 and PTP-PEST in various cells such as monocytes and osteoclasts and in prostate cancer cells. In osteoclasts, leupaxin acts as a key nucleating component of the osteoclast podosomal signaling complex in the adhesion zone.

Forme physique

Solution in 0.01 M phos­phate buffered saline, pH 7.4, containing 15 mM sodium azide.

Stockage et stabilité

Store at –20 °C. For continuous use, the product may be stored at 2–8 °C for up to one month. For extended storage, freeze at –20 °C in working aliquots. Repeated freezing and thawing, or storage in “frost-free” freezers, is not recommended. If slight turbidity occurs upon prolonged storage, clarify the solution by centrifugation before use. Working dilutions should be discarded if not used within 12 hours.

Clause de non-responsabilité

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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Code de la classe de stockage

10 - Combustible liquids

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable


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Consulter la Bibliothèque de documents

Leupaxin stimulates adhesion and migration of prostate cancer cells through modulation of the phosphorylation status of the actin-binding protein caldesmon
Dierks S, et al.
Oncotarget, 6(15), 13591-13591 (2015)
Sascha Dierks et al.
Oncotarget, 6(15), 13591-13606 (2015-06-17)
The focal adhesion protein leupaxin (LPXN) is overexpressed in a subset of prostate cancers (PCa) and is involved in the progression of PCa. In the present study, we analyzed the LPXN-mediated adhesive and cytoskeletal changes during PCa progression. We identified
Structural basis for the interaction between Pyk2-FAT domain and leupaxin LD repeats
Vanarotti MS, et al.
Biochemistry, 55(9), 1332-1345 (2016)
Leupaxin promotes bladder cancer proliferation, metastasis, and angiogenesis through the PI3K/AKT pathway
Hou T, et al.
Cellular Physiology and Biochemistry, 47(6), 2250-2260 (2018)
Leupaxin, a novel coactivator of the androgen receptor, is expressed in prostate cancer and plays a role in adhesion and invasion of prostate carcinoma cells
Kaulfuss S, et al.
Molecular Endocrinology, 22(7), 1606-1621 (2008)

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