Use ProLong® Live Antifade Reagent for brightest fluorescent images with live cells

CellLight® Null (control), BacMam 2.0

Catalog number: C10615

Molecular Probes™  Related applications: Cell Viability, Proliferation & Function

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Description

CellLight® Null Control is intended as a negative transduction control for our CellLight® fluorescent protein live cell staining reagents. The CellLight® Null Control contains no mammalian promoter and no transgene. CellLight® reagents combine the utility and selectivity of fluorescent proteins with the transduction efficiency of BacMam technology, enabling unambiguous staining of organelles, cellular structures, and processes in live mammalian cells. They are provided in a ready-to-use format—simply add, incubate, and image—with highly efficient expression in cell lines, primary cells, stem cells, and neurons.

CellLight® Null Control is:

• Highly Efficient:
>90% transduction of a wide range of mammalian cell lines, including primary cells, stem cells, and neurons
• Fast and Convenient: Simply add CellLight® Null Control reagent to your cells, incubate overnight, and evaluate how well your cells tolerate BacMam transduction
• Safe: CellLight® reagents are non-replicating in mammalian cells, lack of observable cytopathic effect, and are suitable for biosafety level (BSL) 1 handling

CellLight® Reagents Principle
Other CellLight® reagents are fusion constructs of signal peptides or cell structure proteins with premiere emGFP, TagRFP or CFP for accurate and specific targeting to sub-cellular compartments and structures. A variety of targets, including cytoskeleton, mitochondria, and secretory compartments, are available for convenient multiplexing, co-localization studies, and imaging of dynamic cellular processes where high spatial and temporal resolution is required. The CellLight® reagents tolerate fixation with formaldehyde and are therefore compatible with fixed-cell analysis.

BacMam Technology
The BacMam technology is based on an insect virus (baculovirus) for efficient transduction and transient expression in mammalian cells. The baculovirus has been modified to include an expression cassette containing the CellLight® fusion construct.

BacMam 2.0 incorporates elements that help greatly enhance transduction efficiency and expression levels: a pseudotyped capsid protein for more efficient cell entry, an enhanced CMV promoter, and the Woodchuck hepatitis post-transcriptional regulatory element (WPRE).

Baculoviruses do not replicate in mammalian cells and thus have an excellent safety profile and lack cytopathic effects on cells.

Work Flow Convenience
Unlike expression vectors, BacMam reagents enable titratable and reproducible transient protein expression. There is no need for harsh transfection methods or tedious cloning. To achieve highly efficient expression even in sensitive cells, such as stem cells, neurons, and primary cells, just add CellLight® reagents to cells in complete medium, incubate, and image the next day. Alternatively, mix CellLight® reagent and cells at the time of plating.

Co-transduction efficiencies are high allowing multiple CellLight® reagents to be readily used in the same experiment when multiple structures or pathways need to be labeled. CellLight® reagents also tolerate fixation with formaldehyde and are thus compatible with antibody-based fixed-cell analysis.

Typically, transiently transduced cells express fusion protein for about five days, though in slowly dividing cells, such as some primary cell types, expression has been demonstrated for up to two weeks; in terminally differentiated neurons we have recorded images more than three weeks after transduction.
For Research Use Only. Not for use in diagnostic procedures.

Specifications

Form: Liquid
Color: None
Quantity: 1 vial
Label or Dye: Unconjugated
Product Size: 1 mL
Detection Method: Fluorescent
Excitation Class: Visible
For Use With (Equipment): Fluorescence Microscope, Confocal Microscope
Shipping Condition: Wet Ice

Contents & storage

Store at 2-6°C, protected from light. Do Not Freeze.

Documents

Manuals & protocols

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