Cell Signaling Technology

Product Pathways - Apoptosis

SignalSlide® Cleaved Caspase-3 (Asp175) IHC Controls #8104

Protocols

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Description

Each control slide contains formalin fixed, paraffin-embedded Jurkat cells, both untreated and treated with etoposide, that serve as a control for cleaved caspase-3 (Asp 175) immunostaining. Western blot analysis was performed on extracts derived from the same cells to verify the efficacy of the etoposide treatment.

Western Blotting

Western Blotting

Western blot analysis of extracts from Jurkat cells, untreated or treated with etoposide, using Cleaved Caspase-3 (Asp 175) (5A1) Rabbit mAb #9664 (upper) or Caspase-3 (8G10) Rabbit mAb #9665 (lower). This assay serves as a control for the efficacy of the etoposide treatment.

IHC-P (paraffin)

IHC-P (paraffin)

Immunohistochemical anaysis of paraffin-embedded Jurkat cells, untreated (left) or etoposide-treated (right), using Cleaved Caspase-3 (Asp175) Antibody #9661.

Schematic

Schematic


Applications

These slides are intended for use in immunohistochemical assays. Please see the Companion Products for a list of products that can be used with these slides.

Companion Products

Background

Caspase-3 (CPP-32, Apoptain, Yama, SCA-1) is a critical executioner of apoptosis, as it is either partially or totally responsible for the proteolytic cleavage of many key proteins, such as the nuclear enzyme poly (ADP-ribose) polymerase (PARP) (1). Activation of caspase-3 requires proteolytic processing of its inactive zymogen into activated p17 and p12 fragments. Cleavage of caspase-3 requires the aspartic acid residue at the P1 position (2).

  1. Fernandes-Alnemri, T. et al. (1994) J. Biol. Chem. 269, 30761-30764.
  2. Nicholson, D. W. et al. (1995) Nature 376, 37-43.

Application References

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For Research Use Only. Not For Use In Diagnostic Procedures.

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