c-Fos Antibody (2G9C3)

Novus Biologicals, part of Bio-Techne | Catalog # NB600-1428

Novus Biologicals, part of Bio-Techne
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NB600-1428-0.025mg
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Key Product Details

Species Reactivity

Human, Mouse, Rat

Applications

Immunocytochemistry/ Immunofluorescence, Western Blot

Label

Unconjugated

Antibody Source

Monoclonal Mouse IgG2A Clone # 2G9C3

Concentration

0.2 mg/ml

View all c-Fos Antibodies »

Product Specifications

Immunogen

This c-Fos Antibody (2G9C3) was developed against a synthetic peptide: KVEQLSPEEEEKRRIRRERNKMAAA, corresponding to Internal sequence amino acids 128 - 152 of Human c-Fos.

Reactivity Notes

Please note that this antibody is reactive to Mouse and derived from the same host, Mouse. Additional Mouse on Mouse blocking steps may be required for IHC and ICC experiments. Please contact Technical Support for more information.

Localization

Nuclear

Specificity

Reacts with both cellular and viral forms, will detect both the 55 kDa and 62 kDa c-fos and v-fos proteins, but does not react with the 39 kDa jun protein.

Clonality

Monoclonal

Host

Mouse

Isotype

IgG2A

Applications for c-Fos Antibody (2G9C3)

Application
Recommended Usage

Immunocytochemistry/ Immunofluorescence

2.5-5 ug/ml

Western Blot

2.5-5 ug/ml
Application Notes
Not recommended for IHC-Paraffin sections.

Formulation, Preparation, and Storage

Purification

Protein A or G purified

Formulation

50mM Sodium Phosphate (pH 7.5) and 0.2% Gelatin

Preservative

0.1% 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. Do not freeze.

Background: c-Fos

c-Fos is an intermediate early gene that is one of four members of the FOS family of activator protein-1 (AP-1) transcription factors, which also includes Fra-1, Fra-2, and FosB (1-3). Under the FOS gene, human c-Fos is synthesized as a protein of 308 amino acids (aa) with a basic leucine zipper (bZip) domain important for dimerization, and a basic domain for interacting with DNA, with a theoretical molecular weight of ~40.6 kDa (4,5). c-Fos can heterodimerize with members of the JUN family (c-Jun, JunB, and JunD) to form the active transcription factor AP-1 complex (3,5). AP-1 related proteins bind TPA-related responsive elements (TRE), cAMP responsive elements (CRE), and related sequences, with c-Fos:c-Jun dimers partial to TRE sites (5).

In response to stimuli, c-Fos, which is encoded by protooncogenes, has a role in cell proliferation, differentiation, and transformation (3,6). A variety of stimuli can increase c-Fos expression such as growth factors, proinflammatory cytokines, UV radiation, neurotransmitters, hormones, injury, and stress (1,6). c-Fos has long been used as a marker for neuronal activity and is associated with neural and behavioral responses following stimuli (1-3, 6-7). Mouse studies have revealed that c-Fos is important for efficient neurogenesis and cortical development (3). Additionally, c-Fos signal can be used as a molecular marker for learning and memory, such as recognition and fear (2,7). Studies have found that repeated positive stimuli result in increased Fos expression while, conversely, repeated negative value stimuli are indicated by decreased signal (7). Intermediate early genes have also been implicated in neuropsychiatric disorders including showing altered c-Fos expression in a schizophrenia animal model (2). Furthermore, antipsychotics and antidepressants are both capable of impacting c-Fos expression (2).

References

1. Kovacs K. J. (1998). c-Fos as a transcription factor: a stressful (re)view from a functional map. Neurochemistry International. https://doi.org/10.1016/s0197-0186(98)00023-0

2. Gallo, F. T., Katche, C., Morici, J. F., Medina, J. H., & Weisstaub, N. V. (2018). Immediate Early Genes, Memory and Psychiatric Disorders: Focus on c-Fos, Egr1 and Arc. Frontiers in Behavioral Neuroscience. https://doi.org/10.3389/fnbeh.2018.00079

3. Velazquez, F. N., Caputto, B. L., & Boussin, F. D. (2015). c-Fos importance for brain development. Aging. https://doi.org/10.18632/aging.100862

4. Uniprot (P01100)

5. Wu, Z., Nicoll, M., & Ingham, R. J. (2021). AP-1 family transcription factors: a diverse family of proteins that regulate varied cellular activities in classical hodgkin lymphoma and ALK+ ALCL. Experimental Hematology & Oncology. https://doi.org/10.1186/s40164-020-00197-9

6. Shaulian, E., & Karin, M. (2001). AP-1 in cell proliferation and survival. Oncogene. https://doi.org/10.1038/sj.onc.1204383

7. Chung L. (2015). A Brief Introduction to the Transduction of Neural Activity into Fos Signal. Development & Reproduction. https://doi.org/10.12717/DR.2015.19.2.061

Long Name

FBJ/Finkel–Biskis–Jinkins Murine Osteosarcoma Viral Oncogene Homolog

Alternate Names

cFos, FOS, G0S7

Entrez Gene IDs

2353 (Human); 14281 (Mouse); 314322 (Rat)

Gene Symbol

FOS

UniProt

P01100 (Human)

Additional c-Fos Products

Product Documents for c-Fos Antibody (2G9C3)

Product Datasheets

Certificate of Analysis

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

Product Specific Notices for c-Fos Antibody (2G9C3)

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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