LAMP-2/CD107b Antibody

Novus Biologicals, part of Bio-Techne | Catalog # NBP1-71692

Discontinued Product
NBP1-71692 has been discontinued. View all LAMP-2/CD107b products.

Key Product Details

Species Reactivity

Validated:

Human, Mouse

Cited:

Human, Mouse

Predicted:

Bovine (94%), Porcine (92%). Backed by our 100% Guarantee.

Applications

Validated:

Immunohistochemistry, Immunohistochemistry-Paraffin, Western Blot, Immunocytochemistry/ Immunofluorescence, Simple Western

Cited:

Western Blot, Immunocytochemistry/ Immunofluorescence

Label

Unconjugated

Antibody Source

Polyclonal Rabbit

Concentration

0.2 mg/ml

View all LAMP-2/CD107b Antibodies »

Product Specifications

Immunogen

A genomic peptide made to an internal region of the human LAMP2 protein (within residues 250-400). [Swiss-Prot P13473]

Reactivity Notes

Human and mouse. Immunogen has 94% identity to bovine, 92% to porcine, and 84% to rat.

Localization

Cell membrane, Endosome membrane, Lysosome membrane.

Marker

Late Endosome / Lysosome marker

Clonality

Polyclonal

Host

Rabbit

Applications for LAMP-2/CD107b Antibody

Application
Recommended Usage

Immunocytochemistry/ Immunofluorescence

1:200

Immunohistochemistry

1:10-1:500

Immunohistochemistry-Paraffin

1:10-1:500

Simple Western

1:125

Western Blot

1:1000
Application Notes
This LAMP2 antibody is useful for Immunocytochemistry/Immunofluorescence, Immunohistochemistry-paraffin embedded sections, and Western Blot. Immunoblot bands are seen ~40 kDa, 45 kDa and 110 kDa.The lower two bands represent the unglycosylated isoforms of LAMP2 while the 110 kDa band represents the glycosylated form. In ICC/IF, cytoplasmic lysosomal staining was observed in HeLa cells. In IHC-P, staining was observed in the cytoplasm of human kidney cells. Prior to immunostaining paraffin tissues, antigen retrieval with sodium citrate buffer (pH 6.0) is recommended.

In Simple Western only 10 - 15 uL of the recommended dilution is used per data point. Separated by Size-Wes, Sally Sue/Peggy Sue.

Formulation, Preparation, and Storage

Purification

Immunogen affinity purified

Formulation

PBS, 0.1% BSA, and 50% Glycerol

Preservative

0.05% Sodium Azide

Concentration

0.2 mg/ml

Shipping

The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below.

Stability & Storage

Store at 4C short term. Aliquot and store at -20C long term. Avoid freeze-thaw cycles.

Background: LAMP-2/CD107b

LAMP-2 (Lysosome-associated membrane protein 2) is a single-pass type I membrane protein that belongs to a family of membrane glycoproteins (~40 KDa). LAMP-2 protein is encoded by nine exons, with the first 8 exons and a portion of exon 9 encoding the highly glycosylated protein domains within the lysosomal lumen. The transmembrane and cytosolic carboxy-terminal domains of LAMP-2 are encoded by the remaining sequence of exon 9 and conform the receptor for targeting proteins to the lysosome. Splicing of exon 9 in the LAMP-2 pre mRNA leads to various splice forms with distinct cytosolic domains. Three splice variants, LAMP-2A, -2B and -2C, have been identified which shuttle between the plasma membrane, endosomal compartment and lysosomes (1). Tissue specific expression has been described for each LAMP-2 splice variant, with LAMP-2A being more ubiquitously expressed (e.g., placenta, lung, liver, pancreas and prostate), LAMP-2B predominantly expressed in skeletal muscle and LAMP-2C in brain tissue (1). All LAMP-2 splice variants participate in lysosomal degradation processes. LAMP-2A is the only variant that serves as a receptor targeting proteins for lysosomal degradation in chaperone-mediated autophagy (2,3). LAMP-2B is essential for macroautophagy in cardiomyocytes, where it facilitates autophagosome-lysosome fusion. LAMP-2B mutations underscore the myopathy and severe hypertrophic cardiomyopathy in Danon disease which results from deficits in autophagy (1, 4). Vasculopathy of coronary and cerebral arteries is a rare phenotype in Danon patients that is also associated with deficient autophagy processing of proteins and cellular organelles (5). LAMP2C serves as a receptor for DNA and RNA, facilitating their lysosomal degradation through DNA-autophagy and RNA-autophagy, respectively (1).

References

1. Rowland, T. J., Sweet, M. E., Mestroni, L., & Taylor, M. R. G. (2016). Danon disease - dysregulation of autophagy in a multisystem disorder with cardiomyopathy. Journal of Cell Science. https://doi.org/10.1242/jcs.184770

2. Alfaro, I. E., Albornoz, A., Molina, A., Moreno, J., Cordero, K., Criollo, A., & Budini, M. (2019). Chaperone mediated autophagy in the crosstalk of neurodegenerative diseases and metabolic disorders. Frontiers in Endocrinology. https://doi.org/10.3389/fendo.2018.00778

3. Schneider, J. L., & Cuervo, A. M. (2014). Autophagy and human disease: Emerging themes. Current Opinion in Genetics and Development. https://doi.org/10.1016/j.gde.2014.04.003

4. Chi, C., Leonard, A., Knight, W. E., Beussman, K. M., Zhao, Y., Cao, Y., Song, K. (2019). LAMP-2B regulates human cardiomyocyte function by mediating autophagosome lysosome fusion. Proceedings of the National Academy of Sciences of the United States of America. https://doi.org/10.1073/pnas.1808618116

5. Nguyen, H. T., Noguchi, S., Sugie, K., Matsuo, Y., Nguyen, C. T. H., Koito, H., Tsukaguchi, H. (2018). Small-Vessel Vasculopathy Due to Aberrant Autophagy in LAMP-2 Deficiency. Scientific Reports. https://doi.org/10.1038/s41598-018-21602-8

Long Name

Lysosome-associated Membrane Glycoprotein 2

Alternate Names

CD107b, LAMP2, LAMPB, LGP110

Entrez Gene IDs

16784 (Mouse)

Gene Symbol

LAMP2

UniProt

P13473, P17047 (Mouse)

Additional LAMP-2/CD107b Products

Product Documents for LAMP-2/CD107b Antibody

Product Datasheets

Certificate of Analysis

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Product Specific Notices for LAMP-2/CD107b Antibody

Manufactured by Genomic Antibody Technology™. GAT FAQs

This product is for research use only and is not approved for use in humans or in clinical diagnosis. Primary Antibodies are guaranteed for 1 year from date of receipt.

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