Recombinant Proteins

p53
LBP
CEA
HLA
TCL
TTC
NPM
MAF
Bax
BID

EPHB4 Human

EPH Receptor B4 Human Recombinant

EPHB4 produced in Sf9 Baculovirus cells is a single, glycosylated polypeptide chain (16-539a.a.) and fused to an 8 aa His Tag at C-terminus containing a total of 532 amino acids and having a molecular mass of 58.1 kDa. EPHB4 shows multiple bands between 50-70kDa on SDS-PAGE, reducing conditions and purified by proprietary chromatographic techniques.

Shipped with Ice Packs
Cat. No.
BT1385
Source

Sf9, Baculovirus cells.

Appearance
Sterile Filtered clear solution.

ESM1 Human

Endothelial Cell-Specific Molecule 1 Human Recombinant

ESM1 Human Recombinant produced in E.Coli is a single, non-glycosylated polypeptide chain containing 188 amino acids (20-184 a.a.) and having a molecular mass of 20.5kDa.
ESM1 is fused to a 23 amino acid His-tag at N-terminus & purified by proprietary chromatographic techniques.
Shipped with Ice Packs
Cat. No.
BT1514
Source
Escherichia Coli.
Appearance
Sterile Filtered colorless solution.

ESM1 Human, HEK

Endothelial Cell-Specific Molecule 1 Human Recombinant, HEK

ESM1 Human Recombinant produced in HEK293 cells is a single, glycosylated polypeptide chain (a.a 20-184) containing 175 amino acids including a 10 a.a C-terminal His tag. The total molecular mass is 19.5kDa (calculated). 

Shipped with Ice Packs
Cat. No.
BT1594
Source

HEK293 cells.

Appearance
Filtered White lyophilized (freeze-dried) powder.

ESM1 Human, SF9

Endothelial Cell-Specific Molecule 1 Human Recombinant, Sf9

ESM1 produced in Sf9 Baculovirus cells is a single, glycosylated polypeptide chain containing 174 amino acids (20-184a.a.) and having a molecular mass of 19.2kDa. (Molecular size on SDS-PAGE will appear at approximately 18-28kDa). ESM1 is expressed with a 9 amino acid His tag at C-Terminus and purified by proprietary chromatographic techniques.

Shipped with Ice Packs
Cat. No.
BT1672
Source

Sf9, Baculovirus cells.

Appearance
Sterile Filtered clear solution.
Definition and Classification

Endothelial Cell-Specific Molecule 1 (ESM-1), also known as endocan, is a soluble dermatan sulfate proteoglycan primarily secreted by endothelial cells . It was first identified by French scientist Lassalle in 1996 and is classified as a member of the proteoglycan family . ESM-1 is involved in various physiological and pathological processes, including inflammation, angiogenesis, and tumor progression .

Biological Properties

Key Biological Properties: ESM-1 is a secreted protein that plays a role in endothelial cell function and vascular biology . It is regulated by cytokines and proangiogenic molecules such as vascular endothelial growth factor (VEGF) and fibroblast growth factor (FGF) .

Expression Patterns: ESM-1 is predominantly expressed in endothelial cells of the lung and kidney tissues . Its expression is upregulated in response to inflammatory cytokines and other stimuli .

Tissue Distribution: ESM-1 is mainly found in the endothelial cells of the lungs and kidneys, but it is also present in other tissues under pathological conditions .

Biological Functions

Primary Biological Functions: ESM-1 plays a crucial role in modulating endothelial cell function, vascular permeability, and leukocyte migration . It is involved in the regulation of cell proliferation, differentiation, and migration .

Role in Immune Responses: ESM-1 is implicated in immune responses by modulating leukocyte adhesion and migration . It also plays a role in pathogen recognition and the inflammatory response .

Pathogen Recognition: ESM-1 can bind to various pathogens and participate in the immune response by facilitating their clearance .

Modes of Action

Mechanisms with Other Molecules and Cells: ESM-1 interacts with various molecules, including integrins and growth factor receptors . It modulates signaling pathways involved in cell proliferation, migration, and survival .

Binding Partners: ESM-1 binds to integrins and hepatocyte growth factor receptors, influencing cell adhesion and migration .

Downstream Signaling Cascades: ESM-1 activates downstream signaling pathways such as the PI3K/AKT pathway, which is involved in cell survival and proliferation .

Regulatory Mechanisms

Transcriptional Regulation: The expression of ESM-1 is regulated by transcription factors and cytokines . Proinflammatory cytokines such as TNF-α and IL-1β can upregulate ESM-1 expression .

Post-Translational Modifications: ESM-1 undergoes post-translational modifications, including glycosylation, which are essential for its function and stability .

Applications

Biomedical Research: ESM-1 is used as a biomarker in various diseases, including cancer, sepsis, and cardiovascular diseases . Its expression levels can provide insights into disease progression and prognosis .

Diagnostic Tools: ESM-1 levels in the blood can be measured to diagnose and monitor diseases such as cancer and sepsis .

Therapeutic Strategies: Targeting ESM-1 has potential therapeutic applications in cancer treatment, as it is involved in tumor angiogenesis and metastasis . Inhibitors of ESM-1 are being explored as potential cancer therapies .

Role in the Life Cycle

Development: ESM-1 plays a role in vascular development and angiogenesis during embryogenesis .

Aging: The expression of ESM-1 may change with aging, influencing vascular function and the development of age-related diseases .

Disease: ESM-1 is implicated in various diseases, including cancer, cardiovascular diseases, and inflammatory conditions . Its dysregulation can contribute to disease progression and severity .

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