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AB282646

Human SCARB1 knockout HEK-293T cell line

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SCARB1 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: 40 bp deletion in exon 2.

View Alternative Names

CD36 and LIMPII analogous 1, CD36 antigen-like 1, CD36L1, CLA-1, Collagen type I receptor, HDLQTL6, MGC138242, SCARB1, SCRB1_HUMAN, SR-BI, SRB1, Scavebger Receptor Class B Member 1, Scavenger Receptor Class B Type 1, Scavenger receptor class B member 1, thrombospondin receptor-like 1

4 Images
Western blot - Human SCARB1 knockout HEK-293T cell line (AB282646)
  • WB

Lab

Western blot - Human SCARB1 knockout HEK-293T cell line (AB282646)

False colour image of Western blot : Anti-Scavenging Receptor SR-BI antibody [25/CLA-1] staining at 1/1000 dilution, shown in green; Rabbit Anti-GAPDH antibody [EPR16891] (ab181602) loading control staining at 1/20000 dilution, shown in red. In Western blot, ab300632 was shown to bind specifically to Scavenging Receptor SR-BI. A band was observed at 70 and 75 kDa in wild-type HEK-293T cell lysates with no signal observed at this size in SCARB1 knockout cell line ab282646. To generate this image, wild-type and SCARB1 knockout HEK-293T cell lysates were analysed. First, samples were run on an SDS-PAGE gel then transferred onto a nitrocellulose membrane. Membranes were blocked in 3 % milk in TBS-0.1 % Tween® 20 (TBS-T) before incubation with primary antibodies overnight at 4 °C. Blots were washed four times in TBS-T, incubated with secondary antibodies for 1 h at room temperature, washed again four times then imaged. Secondary antibodies used were Goat anti-Mouse IgG H&L (IRDye® 800CW) preabsorbed (ab216772) and Goat anti-Rabbit IgG H&L (IRDye® 680RD) preabsorbed (ab216777) at 1/20000 dilution.

All lanes:

Western blot - Anti-Scavenging Receptor SR-BI antibody [25/CLA-1] (<a href='/en-us/products/primary-antibodies/scavenging-receptor-sr-bi-antibody-25-cla-1-ab300632'>ab300632</a>) at 1/1000 dilution

Lane 1:

Wild-type HEK-293T cell lysate at 20 µg

Lane 2:

Western blot - Human SCARB1 knockout HEK-293T cell lysate (<a href='/en-us/products/cell-lysates/human-scarb1-knockout-hek-293t-cell-lysate-ab283046'>ab283046</a>)

Lane 2:

Western blot - Human SCARB1 knockout HEK-293T cell line (ab282646)

Lane 2:

SCARB1 knockout HEK-293T cell lysate at 20 µg

Lane 3:

Human Liver cell lysate at 20 µg

Secondary

Lanes 1 - 3:

Western blot - Goat Anti-Rabbit IgG H&L (IRDye® 680RD) preadsorbed (<a href='/en-us/products/secondary-antibodies/goat-rabbit-igg-h-l-irdye-680rd-preadsorbed-ab216777'>ab216777</a>) at 1/20000 dilution

Lanes 1 - 3:

Western blot - Goat anti-Mouse IgG H&L (IRDye® 800CW) preadsorbed (<a href='/en-us/products/secondary-antibodies/goat-mouse-igg-h-l-irdye-800cw-preadsorbed-ab216772'>ab216772</a>) at 1/20000 dilution

Predicted band size: 60 kDa

Observed band size: 70 kDa,75 kDa

false

Western blot - Human SCARB1 knockout HEK-293T cell line (AB282646)
  • WB

Lab

Western blot - Human SCARB1 knockout HEK-293T cell line (AB282646)

False colour image of Western blot : Anti-Scavenging Receptor SR-BI antibody [EPR20190] staining at 1/2000 dilution shown in green; Mouse anti-GAPDH antibody [6C5] (ab8245) loading control staining at 1/20000 dilution shown in red. In Western blot ab217318 was shown to bind specifically to Scavenging Receptor SR-BI. A band was observed at 70/75 kDa in wild-type HEK-293T cell lysates with no signal observed at this size in SCARB1 knockout cell line ab282646 (knockout cell lysate ab283046). To generate this image wild-type and SCARB1 knockout HEK-293T cell lysates were analysed. First samples were run on an SDS-PAGE gel then transferred onto a nitrocellulose membrane. Membranes were blocked in 3 % milk in TBS-0.1 % Tween® 20 (TBS-T) before incubation with primary antibodies overnight at 4 °. Blots were washed four times in TBS-T incubated with secondary antibodies for 1 h at room temperature washed again four times then imaged. Secondary antibodies used were Goat anti-Rabbit IgG H&L (IRDye® 800CW) preabsorbed (ab216773) and Goat anti-Mouse IgG H&L (IRDye® 680RD) preabsorbed (ab216776) at 1/20000 dilution.

All lanes:

Western blot - Anti-Scavenging Receptor SR-BI antibody [EPR20190] (<a href='/en-us/products/primary-antibodies/scavenging-receptor-sr-bi-antibody-epr20190-ab217318'>ab217318</a>) at 1/2000 dilution

Lane 1:

Wild-type HEK-293T cell lysate at 20 µg

Lane 2:

SCARB1 knockout HEK-293T cell lysate at 20 µg

Lane 2:

Western blot - Human SCARB1 knockout HEK-293T cell line (ab282646)

Lane 3:

Human Liver cell lysate at 20 µg

Predicted band size: 60 kDa

Observed band size: 70 kDa,75 kDa

false

Western blot - Human SCARB1 knockout HEK-293T cell line (AB282646)
  • WB

Lab

Western blot - Human SCARB1 knockout HEK-293T cell line (AB282646)

False colour image of Western blot : Anti-Scavenging Receptor SR-BI antibody [EP1556Y] staining at 1/1000 dilution shown in green; Mouse anti-GAPDH antibody [6C5] (ab8245) loading control staining at 1/20000 dilution shown in red. In Western blot ab52629 was shown to bind specifically to Scavenging Receptor SR-BI. A band was observed at 70/75 kDa in wild-type HEK-293T cell lysates with no signal observed at this size in SCARB1 knockout cell line ab282646 (knockout cell lysate ab283046). To generate this image wild-type and SCARB1 knockout HEK-293T cell lysates were analysed. First samples were run on an SDS-PAGE gel then transferred onto a nitrocellulose membrane. Membranes were blocked in 3 % milk in TBS-0.1 % Tween® 20 (TBS-T) before incubation with primary antibodies overnight at 4 °. Blots were washed four times in TBS-T incubated with secondary antibodies for 1 h at room temperature washed again four times then imaged. Secondary antibodies used were Goat anti-Rabbit IgG H&L (IRDye® 800CW) preabsorbed (ab216773) and Goat anti-Mouse IgG H&L (IRDye® 680RD) preabsorbed (ab216776) at 1/20000 dilution.

All lanes:

Western blot - Anti-Scavenging Receptor SR-BI antibody [EP1556Y] (<a href='/en-us/products/primary-antibodies/scavenging-receptor-sr-bi-antibody-ep1556y-ab52629'>ab52629</a>) at 1/1000 dilution

Lane 1:

Wild-type HEK-293T cell lysate at 20 µg

Lane 2:

SCARB1 knockout HEK-293T cell lysate at 20 µg

Lane 2:

Western blot - Human SCARB1 knockout HEK-293T cell line (ab282646)

Lane 3:

Human Liver cell lysate at 20 µg

Predicted band size: 60 kDa

Observed band size: 70 kDa,75 kDa

false

Sanger Sequencing - Human SCARB1 knockout HEK-293T cell line (AB282646)
  • Sanger seq

Supplier Data

Sanger Sequencing - Human SCARB1 knockout HEK-293T cell line (AB282646)

40 bp deletion in exon 2

Key facts

Cell type

HEK-293T

Species or organism

Human

Tissue

Kidney

Form

Liquid

form

Knockout validation

Sanger Sequencing,Western blot

Mutation description

Knockout achieved by using CRISPR/Cas9, Homozygous: 40 bp deletion in exon 2

Reactivity data

{ "title": "Reactivity Data", "filters": { "stats": ["", "Reactivity", "Dilution Info", "Notes"] }, "values": { "WB": { "reactivity":"TESTED_AND_REACTS", "dilution-info":"", "notes":"<p></p>" } } }

Product details

Recommended control: Human wild-type HEK-293T cell line (ab282205). 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 and ERS Genomics Limited, and is developed with patented technology. For full details of the limited use licenses and relevant patents please refer to our limited use license and patent pages.

What's included?

{ "values": { "1000000Cellsvial": { "sellingSize": "1000000 Cells/vial", "publicAssetCode":"ab282646-1000000Cells_vial", "assetComponentDetails": [ { "size":"1 x 1000000 Cells/vial", "name":"ab282646 Human SCARB1 knockout HEK-293T cell line", "number":"AB282646-CMP01", "productcode":"" } ] } } }

Properties and storage information

Gene name
SCARB1
Gene editing type
Knockout
Gene editing method
CRISPR technology
Knockout validation
Sanger Sequencing, Western blot
Zygosity
Homozygous
Shipped at conditions
Dry Ice
Appropriate short-term storage conditions
-196°C
Appropriate long-term storage conditions
-196°C

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.

Supplementary information

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

Scavenging Receptor Class B Type 1 (SR-BI) also known as CLA-1 in humans is a membrane protein involved in the selective uptake of lipids. This protein has a molecular mass of approximately 82 kDa and is primarily expressed in the liver and non-placental tissues such as adrenal glands and ovaries. SR-BI mediates the transfer of cholesterol esters from high-density lipoprotein (HDL) to cells while playing a role in reverse cholesterol transport. Its function is essential for maintaining cholesterol homeostasis.
Biological function summary

SR-BI contributes to lipid metabolism by influencing the dynamics of cholesterol and lipid circulation within the body. It forms part of the larger HDL receptor complex which facilitates the selective uptake of lipids without internalizing the entire lipoprotein. Through this mechanism SR-BI assists cells in acquiring necessary components for membrane synthesis and hormone production.

Pathways

SR-BI integrates into the cholesterol biosynthesis pathway and the reverse cholesterol transport pathway. In these pathways SR-BI works closely with proteins like ATP-binding cassette transporter A1 (ABCA1) and lecithin-cholesterol acyltransferase (LCAT). These interactions promote the efflux and transport of cholesterol therefore playing a vital role in lipid regulation and metabolic processes.

SR-BI's malfunction can lead to cardiovascular diseases due to its role in cholesterol metabolism. Elevated levels of HDL cholesterol without functional SR-BI impair reverse cholesterol transport potentially leading to atherosclerosis. Moreover SR-BI interacts with apolipoprotein A-I (apoA-I) a major protein component of HDL impacting its efficacy and connection to coronary artery disease. Understanding SR-BI pathways and their interactions can provide insights into therapeutic strategies for treating cholesterol-related disorders.

Quality control

STR analysis

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

Cell culture

Biosafety level

EU: 2 US: 2

Adherent/suspension

Adherent

Gender

Female

Product protocols

Product promise

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