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JAM-C Cell Lysate | JAM3 cell lysate

Human JAM-C HEK293 Overexpression Lysate

Gene Names
JAM3; JAMC; JAM-2; JAM-3; JAM-C
Applications
Western Blot
Synonyms
JAM-C; Human JAM-C HEK293 Overexpression Lysate; Human JAM3/JAM-C HEK293 Cell Lysate (WB positive control); junctional adhesion molecule 3; Human JAM-2 Overexpression Lysate; Human JAM-3 Overexpression Lysate; Human JAM-C Overexpression Lysate; Human JAMC Overexpression Lysate; JAM3 cell lysate
Ordering
For Research Use Only!
Host
HEK293 Cells
Form/Format
1x Sample Buffer (1x modified RIPA buffer+1x SDS loading buffer).
Modified RIPA Lysis Buffer: 50 mM Tris-HCl pH 7.4, 150 mM NaCl, 1mM EDTA, 1% Triton X-100, 0.1% SDS, 1% Sodium deoxycholate, 1mM PMSF.
Sequence Positions
451aa
Sequence
Met1-Asn241
Applicable Applications for JAM3 cell lysate
Western Blot (WB)
Application Notes
WB: Use at an assay dependent dilution.
Species
Human
Recommend Usage
1. Centrifuge the tube for a few seconds and ensure the pellet at the bottom of the tube.2. Re-dissolve the pellet using 200uL pure water and boil for 2-5 min.
Sequence Construction
A DNA sequence encoding the human JAM3 (Q9BX67) extracellular domain (Met 1-Asn 241) was fused with the Fc region of human IgG1 at the C-terminus.
Preparation Method
Cell lysate was prepared by homogenization of the over-expressed cells in ice-cold modified RIPA Lysis Buffer with cocktail of protease inhibitors. Cell debris was removed by centrifugation. Protein concentration was determined by Bradford assay (protein assay, Microplate Standard assay). The cell lysate was boiled for 5 min in 1 x SDS loading buffer (50mM Tris-HCl pH 6.8, 12.5% glycerol, 1% sodium dodecylsulfate, 0.01% bromophenol blue) containing 5% b-mercaptoethanol, and lyophilized.
Preparation and Storage
Store at 4 degree C for up to twelve months from date of receipt. After re-dissolution, aliquot and store at -80 degree C for up to twelve months. Avoid repeated freeze-thaw cycles.
Samples are stable for up to twelve months from date of receipt.
Related Product Information for JAM3 cell lysate
Junctional Adhesion Molecule C Protein & Antibody (JAM-C, JAM3 Protein) also known as Junctional adhesion molecule 3, JAM3, is a single-pass type I membrane protein that belongs to the immunoglobulin superfamily. It is an adhesion molecule expressed by endothelial cells (ECs) that plays a role in tight junction formation, leukocyte adhesion, and transendothelial migration. JAM-C is an adhesion molecule that is expressed on cells within the vascular compartment and epithelial cells and, to date, has been largely studied in the context of inflammatory events. JAM-C is also expressed in peripheral nerves and that this expression is localized to Schwann cells at junctions between adjoining myelin end loops. JAM-C is a component of the autotypic junctional attachments of Schwann cells and plays an important role in maintaining the integrity and function of myelinated peripheral nerves. JAM-C was recently shown to be a counter receptor for the leukocyte beta2-integrin Mac-1 (CD11b/CD18), thereby mediating interactions between vascular cells, particularly in inflammatory cell recruitment. JAM-C is up-regulated by oxidized low-density lipoprotein (LDL) and may thereby contribute to increased inflammatory cell recruitment during atherosclerosis. JAM-C may therefore provide a novel molecular target for antagonizing interactions between vascular cells in atherosclerosis. JAM-C was shown to undergo a heterophilic interaction with the leukocyte beta2 integrin Mac-1, thereby mediating interactions between vascular cells in inflammatory cell recruitment. JAM-C undergoes a homophilic interaction via the Arg64-Ile65-Glu66 motif on the membrane-distal Ig domain of the molecule. The homophilic interaction of JAM-C can mediate tumor cell-endothelial cell interactions and may thereby be involved in the process of tumor cell metastasis.

This Human JAM-C overexpression lysate was created in HEK293 Cells and intented for use as a Western blot (WB) positive control. Purification of JAM-C protein from the overexpression lysate was verified.
References
Keiper T, et al. (2005) The role of junctional adhesion molecule-C (JAM-C) in oxidized LDL-mediated leukocyte recruitment. FASEB J. 19(14): 2078-80.Santoso S, et al. (2005) The homophilic binding of junctional adhesion molecule-C mediates tumor cell-endothelial cell interactions. J Biol Chem. 280(43): 36326-33.Scheiermann C, et al. (2007) Expression and function of junctional adhesion molecule-C in myelinated peripheral nerves. Science. 318(5855): 1472-5.Mandicourt G, et al. (2007) JAM-C regulates tight junctions and integrin-mediated cell adhesion and migration. J Biol Chem. 282(3): 1830-7.Betanzos A, et al. (2009) Evidence for cross-reactivity of JAM-C antibodies: implications for cellular localization studies. Biol Cell. 101(8): 441-53.Rabquer BJ, et al. (2010) Junctional adhesion molecule-C is a soluble mediator of angiogenesis. J Immunol. 185(3): 1777-85.

NCBI and Uniprot Product Information

NCBI GI #
NCBI GeneID
NCBI Accession #
NCBI GenBank Nucleotide #
UniProt Accession #
Molecular Weight
29,223 Da
NCBI Official Full Name
junctional adhesion molecule C isoform 2
NCBI Official Synonym Full Names
junctional adhesion molecule 3
NCBI Official Symbol
JAM3
NCBI Official Synonym Symbols
JAMC; JAM-2; JAM-3; JAM-C
NCBI Protein Information
junctional adhesion molecule C
UniProt Protein Name
Junctional adhesion molecule C
UniProt Gene Name
JAM3
UniProt Synonym Gene Names
JAM-C; JAM-3
UniProt Entry Name
JAM3_HUMAN

NCBI Description

Tight junctions represent one mode of cell-to-cell adhesion in epithelial or endothelial cell sheets, forming continuous seals around cells and serving as a physical barrier to prevent solutes and water from passing freely through the paracellular space. The protein encoded by this immunoglobulin superfamily gene member is localized in the tight junctions between high endothelial cells. Unlike other proteins in this family, the this protein is unable to adhere to leukocyte cell lines and only forms weak homotypic interactions. The encoded protein is a member of the junctional adhesion molecule protein family and acts as a receptor for another member of this family. A mutation in an intron of this gene is associated with hemorrhagic destruction of the brain, subependymal calcification, and congenital cataracts. Alternative splicing results in multiple transcript variants.[provided by RefSeq, Apr 2011]

Uniprot Description

JAM3: Participates in cell-cell adhesion. It is a counter- receptor for ITGAM, mediating leukocyte-platelet interactions and is involved in the regulation of transepithelial migration of polymorphonuclear neutrophils (PMN). The soluble form is a mediator of angiogenesis. Defects in JAM3 are the cause of hemorrhagic destruction of the brain with subependymal calcification and cataracts (HDBSCC). A syndrome characterized by congenital cataracts and severe brain abnormalities apparently resulting from hemorrhagic destruction of the brain tissue, including the cerebral white matter and basal ganglia. Patients manifest profound developmental delay, and other neurologic features included seizures, spasticity, and hyperreflexia. Brain imaging shows multifocal intraparenchymal hemorrhage with associated liquefaction and massive cystic degeneration, and calcification in the subependymal region and in brain tissue. Belongs to the immunoglobulin superfamily. 2 isoforms of the human protein are produced by alternative splicing.

Protein type: Membrane protein, integral; Cell adhesion

Chromosomal Location of Human Ortholog: 11q25

Cellular Component: Golgi apparatus; desmosome; extracellular space; tight junction; plasma membrane; integral to membrane

Molecular Function: integrin binding; protein binding; protein homodimerization activity; protein heterodimerization activity

Biological Process: myelination; adaptive immune response; extracellular matrix organization and biogenesis; axon regeneration; cell-matrix adhesion; transmission of nerve impulse; neutrophil homeostasis; leukocyte migration during inflammatory response; myeloid progenitor cell differentiation; establishment of cell polarity; angiogenesis; blood coagulation; leukocyte migration; spermatid development

Disease: Hemorrhagic Destruction Of The Brain, Subependymal Calcification, And Cataracts

Research Articles on JAM3

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Product Notes

The JAM3 jam3 (Catalog #AAA8115058) is a Cell Lysate produced from HEK293 Cells and is intended for research purposes only. The product is available for immediate purchase. The immunogen sequence is 451aa. AAA Biotech's JAM-C can be used in a range of immunoassay formats including, but not limited to, Western Blot (WB). WB: Use at an assay dependent dilution. Researchers should empirically determine the suitability of the JAM3 jam3 for an application not listed in the data sheet. Researchers commonly develop new applications and it is an integral, important part of the investigative research process. The amino acid sequence is listed below: Met1-Asn24 1. It is sometimes possible for the material contained within the vial of "JAM-C, Cell Lysate" to become dispersed throughout the inside of the vial, particularly around the seal of said vial, during shipment and storage. We always suggest centrifuging these vials to consolidate all of the liquid away from the lid and to the bottom of the vial prior to opening. Please be advised that certain products may require dry ice for shipping and that, if this is the case, an additional dry ice fee may also be required.

Precautions

All products in the AAA Biotech catalog are strictly for research-use only, and are absolutely not suitable for use in any sort of medical, therapeutic, prophylactic, in-vivo, or diagnostic capacity. By purchasing a product from AAA Biotech, you are explicitly certifying that said products will be properly tested and used in line with industry standard. AAA Biotech and its authorized distribution partners reserve the right to refuse to fulfill any order if we have any indication that a purchaser may be intending to use a product outside of our accepted criteria.

Disclaimer

Though we do strive to guarantee the information represented in this datasheet, AAA Biotech cannot be held responsible for any oversights or imprecisions. AAA Biotech reserves the right to adjust any aspect of this datasheet at any time and without notice. It is the responsibility of the customer to inform AAA Biotech of any product performance issues observed or experienced within 30 days of receipt of said product. To see additional details on this or any of our other policies, please see our Terms & Conditions page.

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