Recombinant Mouse Cell adhesion molecule 1 (Cadm1), partial (Active)

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Code CSB-MP004425MO
Size $318
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  • (Tris-Glycine gel) Discontinuous SDS-PAGE (reduced) with 5% enrichment gel and 15% separation gel.
  • Activity
    Measured by its binding ability in a functional ELISA. Immobilized Mouse CADM1 at 2μg/mL can bind Mouse CRTAM (CSB-MP614820MO), the EC50 is 52.61-92.92 ng/mL. Biological Activity Assay
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Product Details

Greater than 95% as determined by SDS-PAGE.
Less than 1.0 EU/ug as determined by LAL method.
①Measured by its binding ability in a functional ELISA. Immobilized Mouse CADM1 at 2 μg/mL can bind Mouse CRTAM (CSB-MP614820MO), the EC50 is 52.61-92.92 ng/mL.
Target Names
Uniprot No.
Alternative Names
(Immunoglobulin superfamily member 4)(Nectin-like protein 2 )(Spermatogenic immunoglobulin superfamily)(Synaptic cell adhesion molecule)(Tumor suppressor in lung cancer 1)
Mus musculus (Mouse)
Mammalian cell
Expression Region
Target Protein Sequence
Mol. Weight
39.5 kDa
Protein Length
Tag Info
C-terminal 10xHis-tagged
Lyophilized powder
Note: We will preferentially ship the format that we have in stock, however, if you have any special requirement for the format, please remark your requirement when placing the order, we will prepare according to your demand.
Lyophilized from a 0.2 μm filtered 20 mM Tris-HCl, 0.5 M NaCl, 6% Trehalose, pH 8.0
We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Please reconstitute protein in deionized sterile water to a concentration of 0.1-1.0 mg/mL. We recommend to add 5-50% of glycerol (final concentration) and aliquot for long-term storage at -20℃/-80℃. Our default final concentration of glycerol is 50%. Customers could use it as reference.
Troubleshooting and FAQs
Storage Condition
Store at -20°C/-80°C upon receipt, aliquoting is necessary for mutiple use. Avoid repeated freeze-thaw cycles.
Shelf Life
The shelf life is related to many factors, storage state, buffer ingredients, storage temperature and the stability of the protein itself.
Generally, the shelf life of liquid form is 6 months at -20°C/-80°C. The shelf life of lyophilized form is 12 months at -20°C/-80°C.
Lead Time
Basically, we can dispatch the products out in 3-7 working days after receiving your orders. Delivery time may differ from different purchasing way or location, please kindly consult your local distributors for specific delivery time.
Repeated freezing and thawing is not recommended. Store working aliquots at 4℃ for up to one week.
Datasheet & COA
Please contact us to get it.

This Human Cadm1 recombinant protein was produced in Mammalian cell, where the gene sequence encoding Human Cadm1 (48-388aa) was expressed with the C-terminal 10xHis-tag. The purity of this Cadm1 protein was greater than 95% by SDS-PAGE. Its endotoxin content is less than 1.0 EU/ug as determined by LAL method. The activity was validated. In a functional ELISA, immobilized mouse CADM1 at 2 μg/mL can bind Mouse CRTAM (CSB-MP614820MO) with the EC50 of 52.61-92.92 ng/mL.

CADM1 (Cell adhesion molecule 1) was originally discovered and characterized by multiple research groups. As a result, the molecule has many names in the scientific literature, including cell adhesion molecule 1 (CADM1), synaptic cell adhesion molecule (synCAM), biogenic Sperm immunoglobulin superfamily molecules (sgIGSF), IGSF4, BL2, ST17, NECL2, RA175, and CADM1A. CADM1 is a glycoprotein located on the cell surface. It was initially identified as a tumor suppressor gene through functional complementation experiments in human non-small cell lung cancer. At present, a large amount of evidence shows that CADM1 is involved in the formation and development of many human tumors. CADM1 was initially identified as a tumor suppressor, and accumulating evidence suggests that downregulation of CADM1 contributes to tumorigenesis in various cancers, but its mechanism of action requires further investigation. The development of active and stable CADM1 protein can facilitate the further exploration of related mechanisms and provide new clues for tumor monitoring, diagnosis and treatment.

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Target Background

Mediates homophilic cell-cell adhesion in a Ca(2+)-independent manner. Also mediates heterophilic cell-cell adhesion with CADM3 and NECTIN3 in a Ca(2+)-independent manner. Interaction with CRTAM promotes natural killer (NK) cell cytotoxicity and interferon-gamma (IFN-gamma) secretion by CD8+ T-cells in vitro as well as NK cell-mediated rejection of tumors expressing CADM1 in vivo. In mast cells, may mediate attachment to and promote communication with nerves. CADM1, together with MITF, is essential for development and survival of mast cells in vivo. By interacting with CRTAM and thus promoting the adhesion between CD8+ T-cells and CD8+ dendritic cells, regulates the retention of activated CD8+ T-cell within the draining lymph node. Required for the intestinal retention of intraepithelial CD4+ CD8+ T-cells and, to a lesser extent, intraepithelial and lamina propria CD8+ T-cells and CD4+ T-cells. Interaction with CRTAM promotes the adhesion to gut-associated CD103+ dendritic cells, which may facilitate the expression of gut-homing and adhesion molecules on T-cells and the conversion of CD4+ T-cells into CD4+ CD8+ T-cells. Acts as a synaptic cell adhesion molecule and plays a role in the formation of dendritic spines and in synapse assembly. May be involved in neuronal migration, axon growth, pathfinding, and fasciculation on the axons of differentiating neurons. May play diverse roles in the spermatogenesis including in the adhesion of spermatocytes and spermatids to Sertoli cells and for their normal differentiation into mature spermatozoa.
Gene References into Functions
  1. alternative splicing can give rise to both shedding-susceptible and shedding-resistant CADM1 (cell adhesion molecule 1) variant proteins. PMID: 28393893
  2. SynCAM1, Neuroligin-1B and Neuroligin-2A were overexpressed in newborn neurons in the dentate gyrus of 7- to 9-week-old mice. SynCAM1 increased the morphological maturation of dendritic spines and mossy fiber terminals while Neuroligin-1B increased spine density. In contrast, Neuroligin-2A increased both spine density and size as well as GABAergic innervation and resulted in a drastic increase of neuronal survival. PMID: 27473321
  3. The results of this study demonstrate that the synapse-organizing adhesion molecule SynCAM 1 has pronounced effects on neuronal connectivity in the hippocampal CA3 area. PMID: 27413156
  4. Cadm1 is a direct target of NFATc1, which is induced by RANKL through epigenetic modification, and regulates osteoclastic bone resorption in a negative feedback manner. PMID: 28414795
  5. Data show that cell adhesion molecule 1 (SynCAM 1) generally prolongs the lifetime of spines. PMID: 27053173
  6. This experiments show that the survival rate of adult-generated neurons is increased by overexpressing SynCAM 1 PMID: 26332750
  7. Our study reveals a novel mechanism of chronic NF-kappaB activation by CADM1 in HTLV-1 infected cells PMID: 25774694
  8. Study demonstrates that polysialic acid-SynCAM 1 defines a subpopulation of NG2 cells and identifies the presence of polysialic acid-NRP2 in microglia PMID: 25752299
  9. CADM1 appeared to sustain gap junctional intercellular communication among alpha-cells via homophilic binding and, based on this action, CADM1 appears to prevent excessive secretion of glucagon from alpha-cells. PMID: 22513384
  10. This study demonistrated that SynCAM 1 in the synaptic organization of the rod visual pathway and provide evidence for novel roles of synaptic adhesion in the structural and functional integrity of ribbon synapses. PMID: 23982969
  11. Necl-2 co-localizes with ErbB4 in hippocampus and and regulates ErbB4 signaling in cultured neurons. PMID: 23769722
  12. Loss of SynCAM1 modulates cocaine effects on spine structures in the nucleus accumbens. PMID: 23169347
  13. The bone volume fraction did not differ between the CADM1 knockout mice and the wild type mice for both 8-week old and 11-week old mice. PMID: 23541110
  14. Cadm1 is indeed a bona fide tumor suppressor gene and provide new insights into genetic partners that co-operate in tumorigenesis when Cadm1-expression is lost. PMID: 22553910
  15. These results indicated that CADM1 was a novel osteoblastic adhesion molecule that is expressed transiently during osteoblastic maturation, and a useful diagnostic marker for osteosarcoma cells. PMID: 23142238
  16. Cadm1 specifically interacts with Mupp1, and may form a ternary complex with Mupp1-GABBR2 in the cerebellum. PMID: 22994563
  17. Epigenetic silencing complexity in the promoter region of Cadm1 is not only defined by DNA hypermethylation, but high nucleosome occupancy, altered nucleosome positioning and 'bivalent' histone modifications. PMID: 22701659
  18. disruption of SynCAM1-dependent astroglial function results in behavioral abnormalities similar to those described in animals model of attention-deficit hyperactive disorder PMID: 22558465
  19. Cadm1 expression in the hair follicle plays a role in autoimmune alopecia. PMID: 22210910
  20. Results suggest that although the Foxp2 transcription factor does not target Cadm1, Cadm1 at the synapses of Purkinje cells and parallel fibers is necessary for ultrasonic vocalization (USV) function. PMID: 22272290
  21. These results clarify the detailed mechanism of membrane-proximal cleavage of CADM1, suggesting the possibility of RIP-mediated CADM1 signaling. PMID: 22172944
  22. Synaptic cell adhesion molecule SynCAM 1 self-assembles laterally via its extracellular, membrane-proximal immunoglobulin domains 2 and 3, generating SynCAM oligomers and instructing interactions of SynCAM 1 across the nascent and mature synaptic cleft. PMID: 21926970
  23. IGSF4 plays a central role in T cell functioning by dual independent mechanisms, control of T cell receptor signaling and control of T cell-antigen-presenting cell interaction. PMID: 22084409
  24. SynCAM1 mediates astrocyte-to-astrocyte and astrocyte-to-GnRH neuron adhesiveness in the hypothalamus. PMID: 21486931
  25. SynCAM1 is expressed in astrocytes and contributes to erbB4 receptor-mediated control of female sexual development. PMID: 21486934
  26. From pachytene spermatocytes at stage VI to step 4 spermatids, RA175 was not detected by the enzyme-labelled antibody method and was faintly detected by the indirect immunofluorescence method. PMID: 21486398
  27. results indicate that CADM1d is a specific neuronal isoform that enhances nerve-mast cell interaction, and they suggest that nerve-mast cell interaction may be reinforced as the brain grows mature because CADM1d becomes predominant PMID: 21482734
  28. The mutated CADM1 showed morphological abnormalities, including shorter dendrites, and impaired synaptogenesis in neurons. PMID: 21364653
  29. Overexpression of SynCAM 1 in transgenic mice promotes excitatory synapse number, while loss of SynCAM 1 results in fewer excitatory synapses. SynCAM 1 also functions at mature synapses to alter their plasticity by regulating long-term depression. PMID: 21145003
  30. this study demonstrates that CADM1 plays roles in regulating emotional behaviors, social behaviors and motor performances, and that CADM1 has important implications for psychiatric disorders with disruptions in social behavior, such as autism. PMID: 20450890
  31. Analysis of serial sections of perinatal Ncam(-/-) brain revealed that polySia-SynCAM 1 is expressed exclusively by NG2 cells, a multifunctional glia population that can receive glutamatergic input via unique neuron-NG2 cell synapses. PMID: 20479255
  32. SynCAM 1 acts in developing neurons to shape migrating growth cones and contributes to the adhesive differentiation of their axo-dendritic contacts PMID: 20368431
  33. Cell adhesion molecules between spermatogenic and Sertoli cells play essential roles in spermatogenesis. PMID: 19337787
  34. The Tslc1 gene is mapped on mouse chromosome 9, a synteny of human chromosome 11q, and is composed of ten exons, the exon-intron junctions being highly conserved between human and mouse. PMID: 12242005
  35. results showing that SgIGSF mediates the adhesion of mast cells to fibroblasts and that the transcription of SgIGSF is critically regulated by MITF. PMID: 12456501
  36. SgIGSF on the surface of spermatogenic cells binds to some membrane molecules on Sertoli cells in a heterophilic manner and thereby may play diverse roles in the spermatogenesis PMID: 12606335
  37. Possibly involved in localization of a transmembrane protein(s) through Pals2. PMID: 12826663
  38. SgIGSF has a role in survival of cultured mast cells PMID: 15158462
  39. SgIGSF and KIT independently play significant roles in cell migration PMID: 15474495
  40. the tscl1 protein was localized in the brain neuroepithelium at embryonic day 9.5, neural crest at E10.5, motor neurons at E10.5, and olfactory epithelium at E16.5. PMID: 15707673
  41. The spatiotemporal patterns of the expression suggest that IGSF4 plays crucial roles in the development of both telencephalon and cerebellum. PMID: 15862624
  42. RA175-based cell junction is necessary for retaining elongating spermatids in the invagination of Sertoli cells for their maturation and translocation to the adluminal surface for timely release. PMID: 16382161
  43. Results suggest that MITF and SgIGSF appear essential for the development and survival of mast cells in tissues of adult WBB6F1-KitW/KitW-v mice. PMID: 16605125
  44. Tslc1 is essential for normal spermatogenesis in mice. PMID: 16611999
  45. TSLC1/IGSF4 expression is indispensable for the adhesion of spermatocytes and spermatids to Sertoli cells and for their normal differentiation into mature spermatozoa. PMID: 16612000
  46. results establish an essential role for Tslc1 in spermatozoal maturation & motility, distinct from other members of the nectin family PMID: 16837733
  47. These results indicate that TSLC1 is a novel interameloblast adhesion molecule that may be downregulated during ameloblastic tumorigenesis. PMID: 17300670
  48. We propose that SgIGSF is a novel and functional biliary epithelial cell adhesion molecule that is expressed for a limited time during active bile duct/ductule formation. PMID: 17326163
  49. The retrograde response to axotomy of spinal motoneurons involves a rapid down-regulation of SynCAM1 mRNA, indicating that down-regulation of synaptic adhesion molecules plays a role in postinjury synapse elimination PMID: 17492651
  50. In the Ra175(-/-) elongating spermatid, Par-3 was absent, and Jam-C was absent or abnormally localized. PMID: 18055550

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Subcellular Location
Cell membrane; Single-pass type I membrane protein. Cell junction, synapse, synaptic cell membrane; Single-pass type I membrane protein.
Protein Families
Nectin family
Tissue Specificity
Expressed dominantly in epithelial cells but not expressed in fibroblast cells (at protein level). Expressed in the T-cell area of lymph nodes, specifically in CD8+ and CD4- CD8- dendritic cells (at protein level). Expressed in CD8+ dendritic cells in the
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