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17-10204 Sigma-AldrichLentiBrite™ GFP-β-actin Lentiviral Biosensor

LentiBrite™ GFP-β-actin Lentiviral Biosensor MSDS (material safety data sheet) or SDS, CoA and CoQ, dossiers, brochures and other available documents.

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Technical Information

Key Applications: Transfection, Immunofluorescence, Immunocytochemistry, Track single cell and cell population migration (migration assay, cell culture)

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17-10204

1 vial (minimum of 3 x 10E8 IFU/mL)

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개요

Replacement Information

주요 사양표

Key Applications	Detection Methods
TFX, IF, ICC, Track single cell and cell population migration (migration assay, cell culture)	Fluorescent

Description
Catalogue Number	17-10204
Trade Name	LentiBrite Chemicon
Description	LentiBrite™ GFP-β-actin Lentiviral Biosensor
Overview	See a time-lapse video of live cells undergoing actin depolymerization using the LentiBrite GFP-Beta Actin Lentiviral Biosensor! Click Here *Read our application note in Nature Methods!* http://www.nature.com/app_notes/nmeth/2012/121007/pdf/an8620.pdf (Click Here!) Learn more about the advantages of our LentiBrite Lentiviral Biosensors! Click Here Biosensors can be used to detect the presence/absence of a particular protein as well as the subcellular location of that protein within the live state of a cell. Fluorescent tags are often desired as a means to visualize the protein of interest within a cell by either fluorescent microscopy or time-lapse video capture. Visualizing live cells without disruption allows researchers to observe cellular conditions in real time. Lentiviral vector systems are a popular research tool used to introduce gene products into cells. Lentiviral transfection has advantages over non-viral methods such as chemical-based transfection including higher-efficiency transfection of dividing and non-dividing cells, long-term stable expression of the transgene, and low immunogenicity. EMD Millipore is introducing LentiBrite™ Lentiviral Biosensors, a new suite of pre-packaged lentiviral particles encoding important and foundational proteins of autophagy, apoptosis, and cell structure for visualization under different cell/disease states in live cell and in vitro analysis. Pre-packaged, fluorescently-tagged with GFP & RFP Higher efficiency transfection as compared to traditional chemical-based and other non-viral-based transfection methods Ability to transfect dividing, non-dividing, and difficult-to-transfect cell types, such as primary cells or stem cells Non-disruptive towards cellular function EMD Millipore’s LentiBrite™ GFP-β-actin lentiviral particles provide bright fluorescence and precise localization to enable live cell analysis of actin microfilament dynamics in difficult-to-transfect cell types.
Background Information	Actin is a highly abundant globular protein found in the cytosol of all eukaryotic cells that assembles in a head-to-tail arrangement to form double helical, polarized microfilaments. Actin microfilaments constitute one of the 3 major cytoskeletal structures, and they participate in many important cellular processes including muscle contraction, cell motility, cytokinesis, vesicle and organelle movement, cell signaling, the establishment and maintenance of cell junctions and cell shape. In vertebrates, three main groups of actin isoforms, alpha, beta, and gamma, have been identified; in most cell types, β-actin is the primary component of the cytoskeleton. Fusions of fluorescent proteins to β-actin have proven very useful tools in elucidating the dynamics of actin microfilaments in many cellular processes. EMD Millipore’s LentiBrite™ GFP-β-actin lentiviral particles provide bright fluorescence and precise localization to enable live cell analysis of actin microfilament dynamics in difficult-to-transfect cell types.

References

Product Information
Components	TagGFP2-β-actin Lentivirus: One vial containing 25 µL of lentiviral particles at a minimum of 3 x 10E8 infectious units (IFU) per mL. For lot-specific titer information, please see “Viral Titer” in the product specifications above. PromoterEF-1 (Elongation Factor-1) Multiplicty of Infection (MOI) MOI = Ratio of # of infectious lentiviral particles (IFU) to # of cells being infected. Typical MOI values for high transduction efficiency and signal intensity are in the range of 20-40. For this target, some cell types may require lower MOIs (e.g., HT-1080, human umbilical vein endothelial cells (HUVEC)), while others may require higher MOIs (e.g., human mesenchymal stem cells (HuMSC), HeLa, U2OS). NOTE: MOI should be titrated and optimized by the end user for each cell type and lentiviral target to achieve desired transduction efficiency and signal intensity.
Detection method	Fluorescent
Quality Level	MQ100

Applications
Key Applications	Transfection Immunofluorescence Immunocytochemistry Track single cell and cell population migration (migration assay, cell culture)
Application Notes	Immunocytochemistry comparison and inhibitor analysis: Similar to Figure 1 in the datasheet, HeLa cells were plated in a chamber slide and transduced with lentiviral particles at an MOI of 20 for 24 hours. After media replacement and 48 hours further incubation, cells were either untreated, incubated for 2 hours in complete media containing 2µM cytochalasin-D, or incubated for 2 hours in complete media containing 200nM jasplakinolide to induce actin depolymerization. Immunocytochemical staining (red) of the same fields of view with TRITC-conjugated Phalloidin reveals similar expression patterns to the GFP-protein (green). Hard-to-transfect cell types: Primary cell types HUVEC or HuMSC were plated in chamber slides and transduced with lentiviral particles at an MOI of 40 for 24 hours. Confocal microscopy imaging: HeLa cells were treated as in Figure 2A in the datasheet. Cells were then treated using ProteoExtract® Native Cytoskeleton Enrichment Kit (Cat No. 17-10210). Unenriched & Enriched. Images were obtained by oil immersion confocal fluorescence microscopy. HT-1080 cells were treated as in Figures 2A and 2B in the datasheet. Confocal microscopy imaging: HT1080 cells were treated as in Figures 2A and 2B. For optimal fluorescent visualization, it is recommended to analyze the target expression level within 24-48 hrs after transfection/infection for optimal live cell analysis, as fluorescent intensity may dim over time, especially in difficult-to-transfect cell lines. Infected cells may be frozen down after successful transfection/infection and thawed in culture to retain positive fluorescent expression beyond 24-48 hrs. Length and intensity of fluorescent expression varies between cell lines. Higher MOIs may be required for difficult-to-transfect cell lines.

Applications

Key Applications

Transfection
Immunofluorescence
Immunocytochemistry
Track single cell and cell population migration (migration assay, cell culture)

Application Notes

Immunocytochemistry comparison and inhibitor analysis:
Similar to Figure 1 in the datasheet, HeLa cells were plated in a chamber slide and transduced with lentiviral particles at an MOI of 20 for 24 hours. After media replacement and 48 hours further incubation, cells were either untreated, incubated for 2 hours in complete media containing 2µM cytochalasin-D, or incubated for 2 hours in complete media containing 200nM jasplakinolide to induce actin depolymerization. Immunocytochemical staining (red) of the same fields of view with TRITC-conjugated Phalloidin reveals similar expression patterns to the GFP-protein (green).

Hard-to-transfect cell types:
Primary cell types HUVEC or HuMSC were plated in chamber slides and transduced with lentiviral particles at an MOI of 40 for 24 hours.

Confocal microscopy imaging: HeLa cells were treated as in Figure 2A in the datasheet. Cells were then treated using ProteoExtract® Native Cytoskeleton Enrichment Kit (Cat No. 17-10210). Unenriched & Enriched. Images were obtained by oil immersion confocal fluorescence microscopy.

HT-1080 cells were treated as in Figures 2A and 2B in the datasheet.
Confocal microscopy imaging: HT1080 cells were treated as in Figures 2A and 2B.

For optimal fluorescent visualization, it is recommended to analyze the target expression level within 24-48 hrs after transfection/infection for optimal live cell analysis, as fluorescent intensity may dim over time, especially in difficult-to-transfect cell lines. Infected cells may be frozen down after successful transfection/infection and thawed in culture to retain positive fluorescent expression beyond 24-48 hrs. Length and intensity of fluorescent expression varies between cell lines. Higher MOIs may be required for difficult-to-transfect cell lines.

Biological Information
Gene Symbol	ACTB
Purification Method	PEG precipitation
UniProt Number	P60709

Physicochemical Information

Dimensions

Materials Information

Toxicological Information

Safety Information according to GHS

Safety Information

Product Usage Statements
Quality Assurance	Evaluated by transduction of HT-1080 cells and fluorescent imaging performed for assessment of transduction efficiency.
Usage Statement	This product contains genetically modified organisms (GMO). Within the EU GMOs are regulated by Directives 2001/18/EC and 2009/41/EC of the European Parliament and of the Council and their national implementation in the member States respectively. This legislation obliges Merck to request certain information about you and the establishment where the GMOs are being handled. Click here for Enduser Declaration (EUD) Form. Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.

Product Usage Statements

Quality Assurance

Evaluated by transduction of HT-1080 cells and fluorescent imaging performed for assessment of transduction efficiency.

Usage Statement

This product contains genetically modified organisms (GMO). Within the EU GMOs are regulated by Directives 2001/18/EC and 2009/41/EC of the European Parliament and of the Council and their national implementation in the member States respectively. This legislation obliges Merck to request certain information about you and the establishment where the GMOs are being handled. Click here for Enduser Declaration (EUD) Form.
Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.

Storage and Shipping Information
Storage Conditions	Storage and Handling Lentivirus is stable for at least 4 months from date of receipt when stored at -80°C. After first thaw, place immediately on ice and freeze in working aliquots at -80°C. Frozen aliquots may be stored for at least 2 months. Further freeze/thaws may result in decreased virus titer and transduction efficiency. IMPORTANT SAFETY NOTE Replication-defective lentiviral vectors, such as the 3rd Generation vector provided in this product, are not known to cause any diseases in humans or animals. However, lentiviruses can integrate into the host cell genome and thus pose some risk of insertional mutagenesis. Material is a Risk Group 2 and should be handled under BSL2 controls. A detailed discussion of biosafety of lentiviral vectors is provided in Pauwels, K. et al. (2009). State-of-the-art lentiviral vectors for research use: Risk assessment and biosafety recommendations. Curr. Gene Ther. 9: 459-474.

Storage and Shipping Information

Storage Conditions

Storage and Handling
Lentivirus is stable for at least 4 months from date of receipt when stored at -80°C. After first thaw, place immediately on ice and freeze in working aliquots at -80°C. Frozen aliquots may be stored for at least 2 months. Further freeze/thaws may result in decreased virus titer and transduction efficiency.

IMPORTANT SAFETY NOTE
Replication-defective lentiviral vectors, such as the 3rd Generation vector provided in this product, are not known to cause any diseases in humans or animals. However, lentiviruses can integrate into the host cell genome and thus pose some risk of insertional mutagenesis. Material is a Risk Group 2 and should be handled under BSL2 controls. A detailed discussion of biosafety of lentiviral vectors is provided in Pauwels, K. et al. (2009). State-of-the-art lentiviral vectors for research use: Risk assessment and biosafety recommendations. Curr. Gene Ther. 9: 459-474.

Packaging Information
Material Size	1 vial (minimum of 3 x 10E8 IFU/mL)

Transport Information

Supplemental Information

Specifications

Global Trade Item Number
카탈로그 번호	GTIN
17-10204	04053252633751

Documentation

LentiBrite™ GFP-β-actin Lentiviral Biosensor MSDS

타이틀
물질안전보건자료(MSDS)

LentiBrite™ GFP-β-actin Lentiviral Biosensor Certificates of Analysis

Title	Lot Number
LentiBrite GFP-b-actin Lentiviral Biosensor - NRG1932972	NRG1932972
LentiBrite GFP-B-actin Lentiviral Biosensor Packaged Lentiviral Particles	2940992
LentiBrite GFP-B-actin Lentiviral Biosensor Packaged Lentiviral Particles	2918431
LentiBrite GFP-β-actin -2520503	2520503
LentiBrite GFP-β-actin -2679479	2679479
LentiBrite GFP-β-actin Lentiviral Biosensor - 2978937	2978937
LentiBrite GFP-β-actin Lentiviral Biosensor - 3202325	3202325
LentiBrite GFP-β-actin Lentiviral Biosensor - 3277217	3277217
LentiBrite GFP-β-actin Lentiviral Biosensor - 3440765	3440765
LentiBrite GFP-β-actin Lentiviral Biosensor - 3898660	3898660

Brochure

Title
New Products: Volume 3, 2012

Technical Info

Title
LentiBrite™ Lentiviral Biosensors for Fluorescent Cellular Imaging: Analysis of Autophagosome Formation

카테고리

Life Science Research > Cell Analysis > Cell-based Assays > Lentiviral Biosensors

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