LAMP-1/CD107a Antibody (CL4463)

Novus Biologicals, part of Bio-Techne | Catalog # NBP2-59051

Novus Biologicals, part of Bio-Techne
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NBP2-59051
NBP2-59051-25ul
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Key Product Details

Species Reactivity

Validated:

Human

Applications

Immunohistochemistry, Immunohistochemistry-Paraffin, Western Blot

Label

Unconjugated

Antibody Source

Monoclonal Mouse IgG3 Clone # CL4463

Concentration

Concentrations vary lot to lot. See vial label for concentration. If unlisted please contact technical services.

View all LAMP-1/CD107a Antibodies »

Product Summary for LAMP-1/CD107a Antibody (CL4463)

Immunogen

This antibody was developed against a recombinant protein corresponding to the following amino acid sequence:EIKTVESITDIRADIDKKYR

Clonality

Monoclonal

Host

Mouse

Isotype

IgG3

Scientific Data Images for LAMP-1/CD107a Antibody (CL4463)

Western Blot: LAMP-1/CD107a Antibody (CL4463) [NBP2-59051]

Western Blot: LAMP-1/CD107a Antibody (CL4463) [NBP2-59051]

Western Blot: LAMP-1/CD107a Antibody (CL4463) [NBP2-59051] - Analysis in human cell line RT-4.
Immunohistochemistry-Paraffin: LAMP-1/CD107a Antibody (CL4463) [NBP2-59051]

Immunohistochemistry-Paraffin: LAMP-1/CD107a Antibody (CL4463) [NBP2-59051]

Immunohistochemistry-Paraffin: LAMP-1/CD107a Antibody (CL4463) [NBP2-59051] - Staining of human duodenum shows strong cytoplasmic immunoreactivity in glandular cells and in lymphoid cells.
Immunohistochemistry-Paraffin: LAMP-1/CD107a Antibody (CL4463) [NBP2-59051]

Immunohistochemistry-Paraffin: LAMP-1/CD107a Antibody (CL4463) [NBP2-59051]

Immunohistochemistry-Paraffin: LAMP-1/CD107a Antibody (CL4463) [NBP2-59051] - Staining of human prostate shows strong granular cytoplasmic immunoreactivity in glandular cells and moderate positivity in smooth muscle.
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Applications for LAMP-1/CD107a Antibody (CL4463)

Application
Recommended Usage

Immunohistochemistry

1:2500 - 1:5000

Immunohistochemistry-Paraffin

1:2500 - 1:5000

Western Blot

1 ug/ml
Application Notes
For IHC-Paraffin, HIER pH 6 retrieval is recommended.
Please Note: Optimal dilutions of this antibody should be experimentally determined.

Formulation, Preparation, and Storage

Purification

Protein A purified

Formulation

PBS (pH 7.2) and 40% Glycerol

Preservative

0.02% Sodium Azide

Concentration

Concentrations vary lot to lot. See vial label for concentration. If unlisted please contact technical services.

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-1/CD107a

LAMP-1 (lysosome-associated membrane protein 1), also known as CD107a (cluster of differentiation 107a), is a major component of lysosomal membranes that plays an important role in lysosomal biogenesis, autophagy, and cholesterol metabolism (1). LAMP-1 is a type I transmembrane glycoprotein that is expressed on plasma membranes and the membranes of endosomes, autolysosomes, and lysosomes (1,2). Additionally, LAMP-1/CD107a is a commonly used marker for natural killer (NK) cell degranulation (3). LAMP-1 and another lysosomal-associated membrane protein, LAMP-2, together make up about half of all lysosome membrane proteins (1). Additionally, LAMP-1 has a role in presenting carbohydrate ligands to selectins (2). Human LAMP-1 protein is comprised of 417 amino acids (aa) with a theoretical molecular weight of 44.8 kDa; however, glycosylation can increase the molecular weight upwards of 120 kDa (1, 4). Structurally, LAMP-1 protein contains a large luminal/extracellular domain (29-382 aa), a helical transmembrane domain (383-405 aa), and a short cytoplasmic tail (406-417 aa) (1,2). Additionally, the protein has many N- and O-linked glycosylation sites which helps with stability in the membrane (1,2).

LAMP-1 plays an important role in autophagy-mediated ATP-release during apoptosis where lysosomes containing intracellular ATP migrate to the plasma membrane and, during exocytosis, LAMP-1 is exposed to the cell surface (5). Studies have found that knockdown of LAMP-1 blocks the ATP release from the cell (5). Furthermore, an absence of LAMP-1 and LAMP-2 leads to an accumulation of lysosomal cholesterol (6). Lysosomal membrane dysfunction or defects has also been associated with disease development (6,7). For example, one feature of pancreatitis is autophagy impairment which is caused by lysosomal dysfunction and a corresponding decrease in lysosomal-membrane associated proteins LAMP-1 and LAMP-2 (7).

References

1. Eskelinen E. L. (2006). Roles of LAMP-1 and LAMP-2 in lysosome biogenesis and autophagy. Molecular aspects of medicine, 27(5-6), 495-502. https://doi.org/10.1016/j.mam.2006.08.005

2. Cheng, X. T., Xie, Y. X., Zhou, B., Huang, N., Farfel-Becker, T., & Sheng, Z. H. (2018). Revisiting LAMP1 as a marker for degradative autophagy-lysosomal organelles in the nervous system. Autophagy, 14(8), 1472-1474. https://doi.org/10.1080/15548627.2018.1482147

3. Krzewski, K., & Coligan, J. E. (2012). Human NK cell lytic granules and regulation of their exocytosis. Frontiers in immunology, 3, 335. https://doi.org/10.3389/fimmu.2012.00335

4. Uniprot (P11279)

5. Wang, Y., Martins, I., Ma, Y., Kepp, O., Galluzzi, L., & Kroemer, G. (2013). Autophagy-dependent ATP release from dying cells via lysosomal exocytosis. Autophagy, 9(10), 1624-1625. https://doi.org/10.4161/auto.25873

6. Schwake, M., Schr0der, B., & Saftig, P. (2013). Lysosomal membrane proteins and their central role in physiology. Traffic (Copenhagen, Denmark), 14(7), 739-748. https://doi.org/10.1111/tra.12056

7. Gukovsky, I., Pandol, S. J., Mareninova, O. A., Shalbueva, N., Jia, W., & Gukovskaya, A. S. (2012). Impaired autophagy and organellar dysfunction in pancreatitis. Journal of gastroenterology and hepatology, 27 Suppl 2(Suppl 2), 27-32. https://doi.org/10.1111/j.1440-1746.2011.07004.x

Long Name

Lysosome-associated Membrane Glycoprotein 1

Alternate Names

CD107a, LAMP1

Gene Symbol

LAMP1

Additional LAMP-1/CD107a Products

Product Documents for LAMP-1/CD107a Antibody (CL4463)

Product Datasheets

Certificate of Analysis

To download a Certificate of Analysis, please enter a lot number in the search box below.

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Product Specific Notices for LAMP-1/CD107a Antibody (CL4463)

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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