LAMP-1/CD107a Antibody - BSA Free

Novus Biologicals | Catalog # NBP1-77241

Novus Biologicals
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Key Product Details

Species Reactivity

Validated:

Human, Mouse, Rat

Cited:

Rat

Applications

Validated:

Immunohistochemistry, Immunohistochemistry-Paraffin, Immunohistochemistry-Frozen, Western Blot, ELISA, Immunocytochemistry/ Immunofluorescence

Cited:

Immunohistochemistry-Frozen, Western Blot, Immunocytochemistry/ Immunofluorescence

Label

Unconjugated

Antibody Source

Polyclonal Rabbit IgG

Format

BSA Free
View all LAMP-1/CD107a Primary Antibodies »

Product Specifications

Immunogen

Antibody was raised against a 15 amino acid synthetic peptide from near the center of human LAMP-1. The immunogen is located within amino acids 230 - 280 of LAMP-1.

Marker

Late Endosome Marker

Specificity

LAMP-1 antibody is predicted to not cross-react with LAMP-2. Due to extensive post-translational modification, LAMP-1 often migrates at higher than predicted molecular weight in SDS-PAGE.

Clonality

Polyclonal

Host

Rabbit

Isotype

IgG

Theoretical MW

95 kDa.
Disclaimer note: The observed molecular weight of the protein may vary from the listed predicted molecular weight due to post translational modifications, post translation cleavages, relative charges, and other experimental factors.

Description

Antibody can be stored at 4C up to one year. Antibodies should not be exposed to prolonged high temperatures.

Scientific Data Images for LAMP-1/CD107a Antibody - BSA Free

Western Blot: LAMP-1/CD107a AntibodyBSA Free [NBP1-77241]

Western Blot: LAMP-1/CD107a AntibodyBSA Free [NBP1-77241]

Western Blot: LAMP-1/CD107a Antibody [NBP1-77241] - Analysis of LAMP-1 in EL4 cell lysate with LAMP-1 antibody at (A) 1 and (B) 2 ug/mL.
LAMP-1/CD107a Antibody - BSA Free

Immunohistochemistry: LAMP-1/CD107a Antibody - BSA Free [NBP1-77241] -

Immunohistochemistry: LAMP-1/CD107a Antibody - BSA Free [NBP1-77241] - Immunohistochemistry of LAMP-1/CD107a in rat colon tissue with LAMP-1/CD107a antibody at 2.5 ug/ml.
LAMP-1/CD107a Antibody - BSA Free

Immunocytochemistry/ Immunofluorescence: LAMP-1/CD107a Antibody - BSA Free [NBP1-77241] -

Immunocytochemistry/ Immunofluorescence: LAMP-1/CD107a Antibody - BSA Free [NBP1-77241] - Immunofluorescence of LAMP-1/CD107a in Human Colon cells with LAMP-1/CD107a antibody at 20 ug/mL.
LAMP-1/CD107a Antibody - BSA Free

Immunocytochemistry/ Immunofluorescence: LAMP-1/CD107a Antibody - BSA Free [NBP1-77241] -

Immunocytochemistry/ Immunofluorescence: LAMP-1/CD107a Antibody - BSA Free [NBP1-77241] - Immunofluorescence of LAMP-1/CD107a in rat colon tissue with LAMP-1/CD107a antibody at 20 ug/ml.

Applications for LAMP-1/CD107a Antibody - BSA Free

Application
Recommended Usage

ELISA

1:100-1:2000

Immunocytochemistry/ Immunofluorescence

20 ug/mL

Immunohistochemistry

2.5 ug/mL

Western Blot

1-2 ug/mL
Application Notes
Use in IHC-Frozen reported in scientific literature (PMID: 29184147).

Formulation, Preparation, and Storage

Purification

Peptide affinity purified

Formulation

PBS

Format

BSA Free

Preservative

0.02% Sodium Azide

Concentration

1 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.

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

UniProt

NP_005552

Additional LAMP-1/CD107a Products

Product Documents for LAMP-1/CD107a Antibody - BSA Free

Certificate of Analysis

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Product Specific Notices for LAMP-1/CD107a Antibody - BSA Free

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.

Citations for LAMP-1/CD107a Antibody - BSA Free

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Protocols

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