Abcam, ab11170, Anti-MDC1 antibody

Size: 50µg
Rabbit Polyclonal MDC1 antibody. Suitable for WB, IHC-P and reacts with Human samples. Cited in 3 publications. Immunogen corresponding to Synthetic Peptide within Human MDC1 aa 900-1000.
Key facts
Host species:Rabbit,
Clonality:Polyclonal,
Isotype:IgG,
Carrier free:No,
Reacts with:Human,
Applications:WB, IHC-PSee reactivity dataSee the reactivity data table below for information on validated species and application combinations.,
Immunogen:Synthetic Peptide within Human MDC1 aa 900-1000. The exact immunogen used to generate this antibody is proprietary information.Q14676

Properties and Storage Information:
Form-Liquid, Purification technique-Affinity purification Immunogen, Purification notes-Antibodies were affinity purified using the peptide immobilized on solid support., Storage buffer-pH: 7 - 8Preservative: 0.1% Sodium azideConstituents: PBS, 1.815% Tris, 1.764% Sodium citrate, Shipped at conditions-Blue Ice, Appropriate short-term storage conditions-+4°C, Appropriate long-term storage conditions-+4°C, Aliquoting information-Upon delivery aliquot, Storage information-Avoid freeze / thaw cycle

Supplementary Information:
This supplementary information is collated from multiple sources and compiled automatically.
MDC1 also known as mediators of DNA damage checkpoint protein 1 or ABF-M 1711 is an important player in the DNA damage response (DDR). It has a mass of approximately 220 kDa. MDC1 is highly expressed in various human tissues particularly where cell turnover is high like in the bone marrow and lymphoid organs. In cellular operations MDC1 serves as a scaffold protein that coordinates recruitment and activation of DDR machinery at sites of double-strand breaks (DSBs) on DNA.
Biological function summary
This protein plays a vital role in maintaining genomic stability by binding to phosphorylated histone H2AX at DSB sites. It is not a solitary player; MDC1 functions as part of a larger protein complex including factors like RNF8 RNF168 and 53BP1. This complex is essential for amplifying the DDR signal and facilitating the repair process through non-homologous end joining (NHEJ) and homologous recombination (HR). MDC1's interaction with other repair proteins helps to extend the signal required for effective DNA repair.
Pathways
MDC1 significantly influences cellular pathways involving DNA damage sensing and repair and cell cycle checkpoints. It ties closely to the ATM kinase pathway which is activated in response to DSBs. MDC1 aids ATM in phosphorylating downstream targets like CHK2 and p53 for cell cycle arrest. It also connects with BRCA1 interacting in HR repair pathways to ensure accurate repair of DSBs. Both ATM and BRCA1 interactions illustrate MDC1's pivotal role in maintaining DNA integrity.
MDC1 expression and functionality have profound implications on cancer and immunodeficiencies. Abnormal MDC1 expression or mutations can lead to impaired DNA repair and genomic instability often associated with tumor progression in cancers such as breast cancer. Moreover MDC1 interacts with proteins like p53 which is a well-known tumor suppressor to hinder cancer development by stopping the cell cycle for repair or triggering apoptosis if the damage is beyond repair. Dysregulation in MDC1-related pathways can also compromise immune system effectiveness further underpinning its significance in disease contexts.