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Abcam's Cell Fractionation Kit (Standard) allows for the rapid and simple preparation of mitochondrial, cytoplasmic and nuclear containing fractions from cultured cells.
The Cell Fractionation Kit is designed to produce highly enriched fractions that allow for the monitoring of proteins of interest through various cellular compartments. It is not designed to produce purified cellular fractions.
Unlike competing products, this kit does not require mechanical disruption of the sample. This is an important performance characteristic, as mechanical disruption can also disrupt mitochondrial membranes, causing the biologically-irrelevant release of proteins. Particularly useful in studying apoptosis and the movement of pro-apoptotic proteins such as cytochrome c.
Sufficient materials are provided for fractionation of 1 x108 cells or for preparation of 40 samples, each corresponding to one 100 mm plate at 2.5 x 106 cells/plate.
A companion product is also available which allows for the fractionation of cells grown in 96-well plates: Cell Fractionation Kit HT (ab109718).
|5 X SDS Sample Buffer||1 x 10ml|
|Buffer A 2x concentrate||1 x 175ml|
|Detergent I||1 x 25µl|
|Detergent II||1 x 1ml|
Our Abpromise guarantee covers the use of ab109719 in the following tested applications.
The application notes include recommended starting dilutions; optimal dilutions/concentrations should be determined by the end user.
|Purification||Use at an assay dependent concentration.|
Samples were loaded as follows from left to right: (1) Marker, (2) whole cell lysate, (3) cytosolic fraction lysate, (4) membrane fraction lysate and (5) nuclear fraction lysate. Membrane was blotted with a Plasma Membrane Fractionation WB cocktail ab139409 containing anti-Sodium Potassium ATPase antibody (110 kDa), anti-GAPDH antibody (37 kDa) and anti-Histone H3 (di methyl K9) antibody.
Cytosolic (C), mitochondrial (M) and nuclear (N) fractions of HepG2 cells were prepared as described in the Protocol. Fractions were analyzed by Western blotting using Abcam's ApoTrack™ Cytochrome c Apoptosis WB Antibody Cocktail (ab110415) containing antibodies against mitochondrial matrix (pyruvate dehydrogenase subunit E1α, PDH E1α), mitochondrial inner membrane (F1-ATPase α), mitochondrial intermembrane space (cytochrome c) and cytosolic (glyceraldehyde-3-phosphate dehydrogenase, GAPDH) markers as well as with antibodies against additional mitochondrial matrix (Hsp70) and nuclear (poly (ADP-ribose) polymerase, PARP and SP1) markers, followed by appropriate HRP-conjugated goat secondary antibodies and ECL detection.
In this experiment, apoptosis was induced in Jurkat, HeLa and 143B osteosarcoma cells by treatment with staurosporine or in Jurkat cells by FAS. Mitochondrial and cytoplasmic fractions were isolated (using ab109719) and probed using ab110415. 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.
Please note: All products are "FOR RESEARCH USE ONLY AND ARE NOT INTENDED FOR DIAGNOSTIC OR THERAPEUTIC USE"