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Mouse Anti-c-myc Monoclonal Antibody, Unconjugated, Clone 9E10

RRID:AB_291323

Antibody ID

AB_291323

Target Antigen

c-myc other, c-myc

Vendor

Covance Research Products Inc

Cat Num

MMS-150P-200

Proper Citation

(Covance Research Products Inc Cat# MMS-150P-200, RRID:AB_291323)

Clonality

monoclonal antibody

Clone ID

Clone 9E10

Host Organism

mouse

Comments

manufacturer recommendations: Immunofluorescence; Western Blot; Immunoblotting and Immunofluorescence

Publications that use this research resource

Combined Loss of EAF2 and p53 Induces Prostate Carcinogenesis in Male Mice.

  • Wang Y
  • Endocrinology
  • 2017 Dec 1

Literature context: Myc Covance 9E10 RRID:AB_291323 Mouse; monoclonal WB, 1:3000


Abstract:

Mutations in the p53 tumor suppressor are frequent in patients with castration-resistant prostate cancer but less so in patients with localized disease, and patients who have Li-Fraumeni with germline p53 mutations do not have an increased incidence of prostate cancer, suggesting that additional molecular and/or genetic changes are required for p53 to promote prostate carcinogenesis. ELL-associated factor 2 (EAF2) is a tumor suppressor that is frequently downregulated in advanced prostate cancer. Previous studies have suggested that p53 binds to EAF2, providing a potential mechanism for their functional interactions. In this study, we tested whether p53 and EAF2 could functionally interact in prostate cancer cells and whether concurrent inactivation of p53 and EAF2 could promote prostate carcinogenesis in a murine knockout model. Endogenous p53 coprecipitated with EAF2 in prostate cancer cells, and deletion mutagenesis indicated that this interaction was mediated through the C terminus of EAF2 and the DNA binding domain of p53. Concurrent knockdown of p53 and EAF2 induced an increase in proliferation and migration in cultured prostate cancer cells, and conventional p53 and EAF2 knockout mice developed prostate cancer. In human prostate cancer specimens, concurrent p53 nuclear staining and EAF2 downregulation was associated with high Gleason score. These findings suggest that EAF2 and p53 functionally interact in prostate tumor suppression and that simultaneous inactivation of EAF2 and p53 can drive prostate carcinogenesis.

Funding information:
  • NIMH NIH HHS - ZIA MH002498(United States)

β-TrCP1 Is a Vacillatory Regulator of Wnt Signaling.

  • Long MJ
  • Cell Chem Biol
  • 2017 Aug 17

Literature context: ne 9E10); RRID:AB_291323 Rabbit pol


Abstract:

Simultaneous hyperactivation of Wnt and antioxidant response (AR) are often observed during oncogenesis. However, it remains unclear how the β-catenin-driven Wnt and the Nrf2-driven AR mutually regulate each other. The situation is compounded because many players in these two pathways are redox sensors, rendering bolus redox signal-dosing methods uninformative. Herein we examine the ramifications of single-protein target-specific AR upregulation in various knockdown lines. Our data document that Nrf2/AR strongly inhibits β-catenin/Wnt. The magnitude and mechanism of this negative regulation are dependent on the direct interaction between β-catenin N terminus and β-TrCP1 (an antagonist of both Nrf2 and β-catenin), and independent of binding between Nrf2 and β-TrCP1. Intriguingly, β-catenin positively regulates AR. Because AR is a negative regulator of Wnt regardless of β-catenin N terminus, this switch of function is likely sufficient to establish a new Wnt/AR equilibrium during tumorigenesis.