c-Myc

Discovery of the Key to Pluripotency

c-Fos is a member of the AP-1 transcription factor family under the Fos protein family umbrella, alongside Fra-1, Fra-2 and Fos-B.  Also in the AP-1 transcription family are the Jun proteins, c-Jun, Jun-B and Jun-D.  Each member of the AP-1 transcription family is a phosphonuclear protein composed of a carboxy-terminal leucine zipper domai

c-Myc, a proto-oncogene, has documented involvement in cellular differentiation, cell growth, cell death and tumor formation.  Target genes of the Myc family include those that participate in cell survival, translation, transcription, metabolism and more.  On a more specific level, c-Myc is a transcription factor that can both activate and repress its target protein by way of DNA modifications.  This allows for the use of a c-Myc antibody in two manners; it can be used to monitor the actual c-Myc protein expression levels, or, it

The c-Jun N-terminal kinase (JNK) family is a group of regulatory kinases with important functions in cell morphogenesis, inflammation, differentiation, and cell death (1). Aberrant activation of JNK family proteins in cancers has led to interest in small molecule JNK inhibitors as a therapeutic strategy (1). JNK1, also known as MAPK8, is expressed in most tissues and is involved in transduction of extracellular signals such as growth factors or cytokines though a phosphorylation cascade to elicit diverse intracellular responses (1).

Myc is a basic helix-loop-helix zipper transcription factor that regulates a network of many hundreds of genes. Myc up-regulates the expression of many genes involved in cell growth and proliferation such as ribosome biogenesis and protein synthesis (1). While many Myc induced genes are transcribed by RNA polymerase II, tRNA and rRNA genes are also Myc targets (1). Myc is also responsible for repressing genes involved in cell-cycle arrest and cell adhesion.

c-Myc is a protein of the Myc family of transcription factors (c-Myc, B-Myc, L-Myc, N-Myc, and s-Myc) encoded by the MYC proto-oncogene. c-Myc was first discovered as the cellular homolog of the retroviral v-Myc oncogene. c-Myc is a transcription factor for genes involved in cell growth, proliferation, differentiation, and apoptosis. c-Myc contains a basic helix-loop-helix domain and a leucine zipper domain that allow for its heterodimerization with its binding partner Max. Myc/Max complexes are able to activate genes via the Myc transactivation domain (1).

Myc genes (L-Myc, N-Myc and C-Myc) are a family of transcription factors. c-Myc is involved in transcription regulation, apoptosis and cell growth. Mutations in c-Myc have been tied to several cancers.

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The Wnt/beta Catenin signaling pathway plays a critical role in embryonic development, stem cell self-renewal and regeneration. Alterations in this signaling cascade have been implicated in the pathogenesis of cancer.

CDR2 is a tumor antigen expressed in a high percentage of breast and ovarian tumors and is the target of a naturally occurring tumor immune response in patients with paraneoplastic cerebellar degeneration.