Key Product Details

Species Reactivity

Human

Applications

Western Blot, Immunocytochemistry

Label

mFluor Violet 500 SE (Excitation = 410 nm, Emission = 501 nm)

Antibody Source

Polyclonal Sheep IgG
View all c-Fos Primary Antibodies »

Product Specifications

Immunogen

E. coli-derived recombinant human c-Fos
Met1-Leu132
Accession # P01100

Specificity

Detects human c-Fos in direct ELISAs and Western blots. In direct ELISAs, less than 2% cross-reactivity with recombinant human Fos-B is observed.

Clonality

Polyclonal

Host

Sheep

Isotype

IgG

Applications for c-Fos Antibody [mFluor Violet 500 SE]

Application
Recommended Usage

Immunocytochemistry

Optimal dilutions of this antibody should be experimentally determined.

Western Blot

Optimal dilutions of this antibody should be experimentally determined.
Application Notes
Optimal dilution of this antibody should be experimentally determined.

Formulation, Preparation, and Storage

Purification

Antigen Affinity-purified

Formulation

50mM Sodium Borate

Preservative

0.05% Sodium Azide

Concentration

Please see the 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 in the dark.

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

Gene Symbol

FOS

Additional c-Fos Products

Product Documents for c-Fos Antibody [mFluor Violet 500 SE]

Certificate of Analysis

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

Download SDS

Product Specific Notices for c-Fos Antibody [mFluor Violet 500 SE]

mFluor(TM) is a trademark of AAT Bioquest, Inc. This conjugate is made on demand. Actual recovery may vary from the stated volume of this product. The volume will be greater than or equal to the unit size stated on the datasheet.

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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Protocols

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