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Human DPP4 (CD26) Recombinant


accession:  P27487
   Size A     5ug   $ 160
   Size B      20ug  $480
   Size C      100ug  $ 1950
Domain  : 
Gene  :  CD26
Catalog no. :  RKP27487


Optimized DNA sequence  encoding  extracellular domain of Human CD26 including a C-terminal His tag was expressed in HEK293 cells.

Molecular weight:

Recombinant DPP4 (CD26)  is a  protein consisting of 165 amino acid residue subunits,  due to glycosylation migrates as an approximately 40kDa protein on SDS-PAGE.

>97%, as determined by SDS-PAGE and HPLC

Endotoxin content was assayed using a LAL gel clot method.
Endotoxin level was found to be less than 0.1 ng/µg(1EU/µg).

Recombinant human CD26 (DPP4) is lyophilized from 0.2 μm filtered PBS solution,  pH7.2 ,  5% Trehalose.

Recombinant CD7 can be stored in working aliquots at 2° - 8° C for one month, or at -20°C to -70°C for twelve months.

Avoid repeated freeze/thaw cycles.

This product is for research purposes only.It may not be used for therapeutics or diagnostic purposes.



First described in 1966, CD26/DPP4 is a serine protease found on the surface of diverse cells, with a catalytic activity that removes N-terminal dipeptides with proline or alanine at the penultimate position of various peptide substrates including inflammatory cytokines and chemokines . The proteolytic action of CD26/DPP4 is one of the multiple functions of the protein, with other functions including receptor activity, costimulatory functions, binding and interactions with various proteins, and a role in apoptosis. In line with its multiple functions, CD26/DPP4 is widely distributed in tissues, such as lung, spleen, liver, kidney, intestines, endothelial cells, bone marrow, and blood cells and is also present in serum as a soluble protein (sCD26/DPP4). Among blood cells, CD26/DPP4 is expressed predominantly, but not exclusively, on T lymphocytes, and most of the T cells expressing CD26/DPP4 belong to the CD4+ population. Additionally, the expression of CD26/DPP4 on T helper cells is tightly regulated upon activation, and T cell activation induces an increased expression of CD26/DPP4 for several days, which is more intense on Th1 cells than on Th2 cells . Taken together, CD26/DPP4 plays important roles in T cell functions, including activation, proliferation, migration, and memory response.

Related Publications:
CD26/dpp4 levels in peripheral blood and t cells in patients with type 2 diabetes mellitus
J. Clin. Endocrinol. Metab., Jun 2013; 98: 2553 - 2561.
glypican-3–mediated inhibition of CD26 by tfpi: a novel mechanism in hematopoietic stem cell homing and maintenance
Blood, Apr 2013; 121: 2587 - 2595.
CD26/dipeptidylpeptidase iv negatively regulates leukemia inhibitory factory activity in murine embryonic stem cells
Blood (ASH Annual Meeting Abstracts), Nov 2012; 120: 4741.
CD26 truncation of gm-csf and il-3 alters their functional interactions
Blood (ASH Annual Meeting Abstracts), Nov 2012; 120: 1240.
targeting CD26 with humanized monoclonal antibody, as a novel approach to inhibit human osteoclast differentiation and subsequent bone resorption
Blood (ASH Annual Meeting Abstracts), Nov 2012; 120: 1348.

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