Yield will vary between cell lines and sample types, so the expected loss must be determined empirically for each sample. The technical bulletin notes that typical nuclei yields are greater than 30%, but some cell lines and sample types may experience lower yields.
NUC201
Nuclei Isolation Kit: Nuclei PURE Prep
sufficient for 15 nuclei preparations (~1-10×107 cells or 1g of tissue per preparation)
Sinónimos:
Sucrose centrifugation nuclei isolation
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| Talla/SKU | Disponibilidad | Precio |
|---|---|---|
1 kit | Póngase en contacto con nuestro Servicio de Atención al Cliente para disponibilidad | 947,00 € |
Acerca de este artículo
NACRES:
NA.32
UNSPSC Code:
12352207
947,00 €
Póngase en contacto con nuestro Servicio de Atención al Cliente para disponibilidad
Servicio técnico
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sufficient for 15 nuclei preparations (~1-10×107 cells or 1g of tissue per preparation)
Quality Segment
packaging
pkg of 1 kit
storage condition
dry at room temperature
application(s)
cell analysis
foreign activity
nuclease and protease, free
shipped in
wet ice
storage temp.
2-8°C
Application
For preparation of pure nuclei and fragile nuclei from cell lines and solid tissues.
Biochem/physiol Actions
The protocol incorporates centrifugation through a dense sucrose cushion to protect nuclei and strip away cytoplasmic contaminants. High yield has been obtained from common cell lines (Jurkat, HFN7.1, COS7, HEK293 and MDCK) and tissues (spleen and liver). These preparations are suitable for many cell biology applications, e.g., as a source of nuclear components such as chromatin, genomic DNA, histones, and nuclear RNA/RNP, produces nuclei for in vitro apoptosis assays, and functional studies such as examination of the transcriptional status of cells.
The protocol incorporates centrifugation through a dense sucrose cushion to protect nuclei and strip away cytoplasmic contaminants. The sucrose concentration that is suitable for a particular cell type is determined empirically by the user. The sucrose concentrate and sucrose cushion buffer give the user flexibility to modify the density of the sucrose cushion as appropriate. High yield has been obtained from common cell lines (Jurkat, HFN7.1, COS7, HEK293 and MDCK) and tissues (spleen and liver). These preparations are suitable for many cell biology applications, e.g., as a source of nuclear components such as chromatin, genomic DNA, histones, and nuclear RNA/RNP, produces nuclei for in vitro apoptosis assays, and functional studies such as examination of the transcriptional status of cells.
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Este artículo | |||
|---|---|---|---|
| description sufficient for 15 nuclei preparations (~1-10×107 cells or 1g of tissue per preparation) | description with silicon O-ring screw cap, capacity 250 mL, polypropylene | description - | description powder |
| storage temp. 2-8°C | storage temp. - | storage temp. −20°C | storage temp. room temp |
| usage sufficient for 15 nuclei preparations (~1-10×107 cells or 1g of tissue per preparation) | usage - | usage - | usage - |
| application(s) cell analysis | application(s) - | application(s) - | application(s) - |
| packaging pkg of 1 kit | packaging pkg of 36 ea | packaging - | packaging - |
| storage condition dry at room temperature | storage condition - | storage condition - | storage condition - |
| foreign activity nuclease and protease, free | foreign activity - | foreign activity - | foreign activity - |
Solo componentes del kit
Referencia del producto
Descripción
- Nuclei PURE Lysis Buffer 180 mL
signalword
Danger
Clase de almacenamiento
10 - Combustible liquids
flash_point_f
Not applicable
flash_point_c
Not applicable
wgk
WGK 2
hcodes
Hazard Classifications
Aquatic Acute 1 - Aquatic Chronic 2 - ED ENV 1 - Eye Dam. 1 - Skin Irrit. 2
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What is the expected loss (%) of nuclei due resulting from the sucrose density gradient purification step? I am planning an experiment with small tissue masses (50-100mg, ~1x10^6 nuclei) and would like to optimise yield as much as possible.
1 respuesta-
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Is the kit compatible to frozen tissue stored in RNAlater?
1 respuesta-
This kit has not been evaluated for use with frozen samples. It is highly recommended to use fresh tissue samples with product. The freezing and thawing processes could potentially damage many of the cells and nuclei, leading to the loss of functionality/stability of some nuclear molecules/entities.
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Is the kit compatible with Tris or DTT, as our internal protocol is not compatible with these components?
1 respuesta-
The NUC201 kit is compatible with Tris as well as DTT. None of the components in the kit, such as sucrose, Triton X100, and glycerin, are known to be incompatible with Tris. Additionally, as these components do not contain sulfur, there is no reason to expect any incompatibility with DTT.
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Is it possible to split the sample in half if the right size tubes for one of the steps are not available?
1 respuesta-
As per internal notes, the kit can be scaled down to as small as 1.5 ml tubes, provided that the centrifugation speed and time are not deviated from. For example, the sucrose cushion centrifugation step must be carried out for 45 minutes at 30,000 × g, preferably in an ultracentrifuge swinging rotor, as recommended in the Technical Bulletin.
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Would the nuclei isolation protocol need to be modified when using NUC201 as an alternative to NUC101-1kt?
1 respuesta-
The NUC201 and NUC101 kits are very different. NUC101 has two components—a different lysis buffer and a storage buffer. In contrast, NUC201 has a different lysis buffer and a total of 5 kit components. Additionally, DTT needs to be used, although it is listed as a required but not provided reagent. Instructions for Use will be included with each kit. If the procedure is not provided with the kit, a PDF of the kit instructions can be downloaded from the product detail pages for each kit. Due to the significant procedural differences, it is important to use the specific Instructions for Use for each kit.
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Is it possible to start the nuclei isolation process from animal tissue or cells by using a frozen sample or cell pellet (kept in -80°C)?
1 respuesta-
The freezing and thawing processes could potentially damage many of the cells and nuclei, leading to the loss of nuclear components and possible contamination of the nuclei with cytoplasmic or other cellular components. Testing on NUC201 has been conducted on fresh tissue.
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Is there EDTA present in buffer L9286? Additionally, is the lysis buffer L9286 hypotonic or isotonic/hypertonic?
1 respuesta-
The lysis buffer is an isoosmotic sucrose buffer and it does contain EDTA.
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Is it possible to start with frozen tissue?
1 respuesta-
It is probable that the freezing and thawing processes may harm a significant number of cells and nuclei, potentially resulting in the loss of nuclear components and/or contamination of the nuclei with cytoplasmic or other cellular components.
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