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LBR KO cell line available to order. KO validated by Western blot. Free of charge wild type control provided. Knockout achieved by using CRISPR/Cas9, Homozygous: 1 bp insertion in exon 2.

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Images

Western blot - Human LBR (Lamin B Receptor) knockout HEK-293T cell line (AB266308), expandable thumbnail
  • Western blot - Human LBR (Lamin B Receptor) knockout HEK-293T cell line (AB266308), expandable thumbnail
  • Cell Culture - Human LBR (Lamin B Receptor) knockout HEK-293T cell line (AB266308), expandable thumbnail
  • Sanger Sequencing - Human LBR (Lamin B Receptor) knockout HEK-293T cell line (AB266308), expandable thumbnail

Key facts

Cell type
HEK-293T
Species or organism
Human
Tissue
Kidney
Form
Liquid
Knockout validation
Sanger Sequencing, Western blot
Mutation description
Knockout achieved by using CRISPR/Cas9, Homozygous: 1 bp insertion in exon 2

Alternative names

DHCR 14B, Integral nuclear envelope inner membrane protein, LBR_HUMAN, LMN 2R, Lamin-B receptor, MGC9041, PHA, PRO0650

Recommended products

LBR KO cell line available to order. KO validated by Western blot. Free of charge wild type control provided. Knockout achieved by using CRISPR/Cas9, Homozygous: 1 bp insertion in exon 2.

Key facts

Cell type
HEK-293T
Form
Liquid
Mutation description
Knockout achieved by using CRISPR/Cas9, Homozygous: 1 bp insertion in exon 2
Concentration
Loading...

Properties

Gene name
LBR
Gene editing type
Knockout
Gene editing method
CRISPR technology
Knockout validation
Sanger Sequencing, Western blot
Zygosity
Homozygous

Quality control

STR analysis
CSF1PO, D13S317, D7S820, D5S818, TH01, D16S539, TPOX

Cell culture

Biosafety level
EU: 2 US: 2
Adherent/suspension
Adherent
Gender
Female

Handling procedures

Initial handling guidelines

Upon arrival, the vial should be stored in liquid nitrogen vapor phase and not at -80°C. Storage at -80°C may result in loss of viability.

1. Thaw the vial in 37°C water bath for approximately 1-2 minutes.
2. Transfer the cell suspension (0.8 mL) to a 15 mL/50 mL conical sterile polypropylene centrifuge tube containing 8.4 mL pre-warmed culture medium, wash vial with an additional 0.8 mL culture medium (total volume 10 mL) to collect remaining cells, and centrifuge at 201 x g (rcf) for 5 minutes at room temperature. 10 mL represents minimum recommended dilution. 20 mL represents maximum recommended dilution.
3. Resuspend the cell pellet in 5 mL pre-warmed culture medium and count using a haemocytometer or alternative cell counting method seed all remaining cells into a T25.
4. Incubate the culture at 37°C incubator with 5% CO2. Check the culture one day after revival and continue to check until 80% confluent. Media change can be given if needed.
5. Once confluent passage into an appropriate flask at a density of 2x104 cells/cm2. Seeding density is given as a guide only and should be scaled to align with individual lab schedules. Cultures should be monitored daily.

Subculture guidelines
  • All seeding densities should be based on cell counts gained by established methods.
  • A guide seeding density of 2x104 cells/cm2 is recommended.
  • Cells should be passaged when they have achieved 80-90% confluence.
Culture medium
DMEM (High Glucose) + 10% FBS
Cryopreservation medium
Cell Freezing Medium-DMSO Serum free media, contains 8.7% DMSO in MEM supplemented with methyl cellulose.

Storage

Shipped at conditions
Dry Ice
Appropriate short-term storage conditions
-196°C
Appropriate long-term storage conditions
-196°C

Notes

Recommended control: Human wild-type HEK293T cell line (ab255449). Please note a wild-type cell line is not automatically included with a knockout cell line order, if required please add recommended wild-type cell line at no additional cost using the code WILDTYPE-TMTK1.

We will provide viable cells that proliferate on revival.

This product is subject to limited use licenses from The Broad Institute, ERS Genomics Limited and Sigma-Aldrich Co. LLC, and is developed with patented technology. For full details of the licenses and patents please refer to our limited use license and patent pages.

Supplementary info

This supplementary information is collated from multiple sources and compiled automatically.
Activity summary

The Lamin B Receptor (LBR) also known as L. B. R. L B R or lamin B is a protein located in the inner nuclear membrane. This protein has a molecular mass of approximately 70 kDa. It acts as a receptor for lamin proteins specifically lamin B. The LBR mediates the attachment of heterochromatin and lamins to the inner nuclear membrane playing a structural role in the maintenance of nuclear architecture. It is widely expressed in various tissues notably in cells involved in rapidly proliferating tissues.

Biological function summary

The LBR protein serves several critical functions beyond its mechanical duties. It participates in the regulation of chromatin organization and gene expression owing to its interaction with chromatin-related proteins. LBR is part of the nuclear envelope lattice and forms complexes with lamin proteins and heterochromatin. This association supports its role in anchoring chromatin at the nuclear periphery modulating processes such as DNA replication and transcription.

Pathways

The LBR plays pivotal roles in nuclear envelope assembly and chromatin organization. It holds significance in the cholesterol biosynthesis pathway where it metabolizes sterol intermediates to cholesterol. This function relates LBR to other proteins including lamin A/C which collaborate in maintaining nuclear shape and function. Together they orchestrate various cellular processes important for cell cycle progression and differentiation.

Associated diseases and disorders

Alterations in LBR function have links to conditions such as Pelger-Huët anomaly and Greenberg skeletal dysplasia. Pelger-Huët anomaly manifests as a benign hematologic condition with defective nuclear shape in neutrophils while Greenberg dysplasia is characterized by skeletal abnormalities. In these contexts LBR connects to lamin B and other nuclear envelope proteins that contribute to the pathophysiological features observed in these disorders.

Product promise

We are dedicated to supporting your work with high quality reagents and we are here for you every step of the way should you need us.

In the unlikely event of one of our products not working as expected, you are covered by our product promise.

Full details and terms and conditions can be found here:
Terms & Conditions.

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Product protocols

For this product, it's our understanding that no specific protocols are required. You can:

Please note: All products are 'FOR RESEARCH USE ONLY. NOT FOR USE IN DIAGNOSTIC OR THERAPEUTIC PROCEDURES'.

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