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Cytochrome c Apoptosis WB Antibody Cocktail (ab110415) is part of the reagents, controls & accessories range. Abcam offers high-quality biological reagents and tools including antibodies, proteins, assays, cell lines and lysates.

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Western blot - Cytochrome c Apoptosis WB Antibody Cocktail (AB110415), expandable thumbnail

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Key facts

Applications
WB
Target
CYCS
Reactive species
Human

Reactivity data

Application
WB
Reactivity
Reacts
Dilution info
-
Notes

The antibody cocktail (0.9 mg/ml) should be diluted 250x to a final working concentration of 3.6 µg/ml for Western blotting.

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Target data

Function

Electron carrier protein. The oxidized form of the cytochrome c heme group can accept an electron from the heme group of the cytochrome c1 subunit of cytochrome reductase. Cytochrome c then transfers this electron to the cytochrome oxidase complex, the final protein carrier in the mitochondrial electron-transport chain. Plays a role in apoptosis. Suppression of the anti-apoptotic members or activation of the pro-apoptotic members of the Bcl-2 family leads to altered mitochondrial membrane permeability resulting in release of cytochrome c into the cytosol. Binding of cytochrome c to Apaf-1 triggers the activation of caspase-9, which then accelerates apoptosis by activating other caspases.

Alternative names

Recommended products

Cytochrome c Apoptosis WB Antibody Cocktail (ab110415) is part of the reagents, controls & accessories range. Abcam offers high-quality biological reagents and tools including antibodies, proteins, assays, cell lines and lysates.

Key facts

Applications
WB
Target
CYCS
Reactive species
Human

Storage

Shipped at conditions
Dry Ice
Appropriate short-term storage conditions
Multi
Appropriate long-term storage conditions
Multi

Notes

The permeabilization of mitochondrial outer membrane and the subsequent release of cytochrome c and other apoptogenic proteins from mitochondrial intermembrane space into the cytoplasm is considered a hallmark of many apoptotic pathways. Therefore assaying these proteins in mitochondrial and cytoplasmic fractions is of prime interest for many researchers.

ab 110415 (MSA12) is a Western blot antibody cocktail that allows for the detection of cytochrome c in cytoplasmic and mitochondria-containing fractions for determining the proportion of released cytochrome c from mitochondria to the cytoplasm from apoptosis. The kit includes antibodies against a cytoplasmic protein marker, glyceraldehyde-3-phosphodehydrogenase (GAPDH), and 2 mitochondrial markers, pyruvate dehydrogenase subunit E1-alpha (a matrix marker), and ATP synthase subunit alpha (an inner membrane marker). This set of control markers allows for the monitoring and/or optimization of the permeabilization conditions.

Cocktail Antibodies:

Mouse anti Cyt. c monoclonal:
Amount: 50 μg
Working concentration: 1 μg/ml

Mouse anti GAPDH monclonal:
Amount: 5ug
Working concentration: 0.1 μg/ml

Mouse anti PDH-E1-alpha monoclonal:
Amount: 100ug
Working concentration: 2 μg/ml

Mouse anti C-V-alpha monoclonal:
Amount: 25ug
Working concentration: 0.5 μg/ml

This product was previously called ApoTrack™ Cytochrome c Apoptosis WB Antibody Cocktail

Supplementary info

This supplementary information is collated from multiple sources and compiled automatically.
Activity summary

Cytochrome c commonly referred to as 'cyt c' or 'apotrack' is a small heme protein with a molecular mass of around 12 kDa. It gets expressed in the mitochondria of eukaryotic cells. During the process of apoptosis cytochrome c translocates from the mitochondria to the cytoplasm. This movement acts as an important step in the initiation of apoptosis. It's possible to identify this protein through western blot techniques often indicated by 'cyt c WB' or 'cytochrome c western blot'.

Biological function summary

Cytochrome c plays an integral role in both the respiratory chain and the intrinsic pathway of apoptosis. It functions as an electron carrier in the mitochondrial electron transport chain facilitating ATP production. In apoptosis cytochrome c partners with Apaf-1 to form the apoptosome complex. This complex is essential for activating caspase-9 a critical executer of the cell death process. Understanding its presence in these complexes is fundamental for studying programmed cell death mechanisms.

Pathways

Cytochrome c has significant roles within the mitochondrial apoptosis pathway. This process involves a series of molecular events leading to programmed cell death. Cytochrome c initiates the activation of the caspase cascade particularly influencing the work of proteins like caspase-3. It also links to the oxidative phosphorylation pathway where cytochrome c facilitates electron transfer between complex III and complex IV critical for ATP synthesis. These interactions highlight cytochrome c's multifaceted function in cellular metabolism and apoptosis.

Associated diseases and disorders

Cytochrome c's displacement from the mitochondria connects to conditions like cancer and neurodegenerative diseases. Aberrant regulation of apoptosis can lead to uncontrolled cell growth in cancers with cytochrome c's release being a pivotal factor. In neurodegenerative diseases such as Parkinson's disease mitochondrial dysfunctions and altered apoptosis involving cytochrome c are observed. Additionally cytochrome c's relationship with Bcl-2 family proteins illustrates how it's embedded in the balance of pro-apoptotic and anti-apoptotic signals influencing disease progression.

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1 product image

  • Western blot - Cytochrome c Apoptosis WB Antibody Cocktail (ab110415), expandable thumbnail

    Western blot - Cytochrome c Apoptosis WB Antibody Cocktail (ab110415)

    In this experiment, apoptosis was induced in Jurkat and 143B osteosarcoma cells by FAS and also by treatment with staurosporine (HeLa cells were also treated, but only with STS). Mitochondrial and cytoplasmic fractions were isolated (using kit Cell Fractionation Kit Cell Fractionation Kit - Standard ab109719/MS861) and probed using ab110415 (MSA12). As is clear from the gels, cytochrome c has translocated partially in FAS-induced cells and STS-treated osteosarcoma cells, and almost completely in STS-treated Jurkat and HeLa cells. The three control targets allow for verification of the "cleanness" of the cell fractionation.

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Product protocols

For this product, it's our understanding that no specific protocols are required. You can:

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