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AB277906

Human SFRP1 knockout A549 cell line

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SFRP1 KO cell line available to order. KO validated by Western blot. Free of charge wild type control available. Homozygous CRISPR/Cas9 KO: the 52 bp deletion in exon 2 leads to a truncated SFRP1 (tSFRP1) rather than a complete loss of protein. tSFRP1 is not secreted out of the cell, in contrast with WT SFRP1. To order both knockout and wild-type control cells: select '2 x 1000000 Cells/vial'. To order only knockout cells: select '1000000 Cells/vial'.

View Alternative Names

FRP1, SARP-2, SFRP1, FRP-1, sFRP-1, Secreted apoptosis-related protein 2, SARP2, Secreted frizzled-related protein 1, FRP

3 Images
Western blot - Human SFRP1 knockout A549 cell line (AB277906)
  • WB

Lab

Western blot - Human SFRP1 knockout A549 cell line (AB277906)

ab126613 was shown to react with SFRP1 in wild-type A549 cells in Western blot with loss of signal observed in SFRP1 knockout cell line ab277906. Wild-type A549 and SFRP1 knockout cell lysates were subjected to SDS-PAGE. Membranes were blocked in 5% milk in TBST for 1 hr before incubation with ab126613 overnight at 4 °C at a 1/1000 dilution. Blots were incubated with secondary antibodies at 0.2ug/mL before imaging.

These data were provided by YCharOS Inc., an open science company with the mission of characterizing commercially available antibody reagents for all human proteins. Abcam and YCharOS are working together to help address the reproducibility crisis by enabling the life science community to better evaluate commercially available antibodies.

All lanes:

Western blot - Anti-SFRP1 antibody [EPR7003] (<a href='/en-us/products/primary-antibodies/sfrp1-antibody-epr7003-ab126613'>ab126613</a>) at 1/1000 dilution

Lanes 1 - 2:

Western blot - Human SFRP1 knockout A549 cell line (ab277906)

Lane 1:

Wild-type A549 lysate at 20 µg

Lane 2:

SFRP1 Knockout A549 lysate at 20 µg

Observed band size: 35 kDa

false

Western blot - Human SFRP1 knockout A549 cell line (AB277906)
  • WB

Lab

Western blot - Human SFRP1 knockout A549 cell line (AB277906)

ab267466 was shown to react with SFRP1 in wild-type A549 cells in Western blot with loss of signal observed in SFRP1 knockout cell line ab277906. Wild-type A549 and SFRP1 knockout cell lysates were subjected to SDS-PAGE. Membranes were blocked in 5% milk in TBST for 1 hr before incubation with ab267466 overnight at 4 °C at a 1/1000 dilution. Blots were incubated with secondary antibodies at 0.2ug/mL before imaging.

These data were provided by YCharOS Inc., an open science company with the mission of characterizing commercially available antibody reagents for all human proteins. Abcam and YCharOS are working together to help address the reproducibility crisis by enabling the life science community to better evaluate commercially available antibodies.

All lanes:

Western blot - Anti-SFRP1 antibody [EPR23092-253] (<a href='/en-us/products/primary-antibodies/sfrp1-antibody-epr23092-253-ab267466'>ab267466</a>) at 1/1000 dilution

Lanes 1 - 2:

Western blot - Human SFRP1 knockout A549 cell line (ab277906)

Lane 1:

Wild-type A549 lysate at 20 µg

Lane 2:

SFRP1 Knockout A549 lysate at 20 µg

false

Sanger Sequencing - Human SFRP1 knockout A549 cell line (AB277906)
  • Sanger seq

Supplier Data

Sanger Sequencing - Human SFRP1 knockout A549 cell line (AB277906)

52 bp deletion in exon 2, lead to premature stop codon

Key facts

Cell type

A549

Species or organism

Human

Tissue

Lung

Form

Liquid

form

Knockout validation

Sanger Sequencing,Western blot

Mutation description

Homozygous CRISPR/Cas9 KO: the 52 bp deletion in exon 2 leads to a truncated SFRP1 (tSFRP1) rather than a complete loss of protein. tSFRP1 is not secreted out of the cell, in contrast with WT SFRP1.

Disease

Carcinoma

Product details

We will provide viable cells that proliferate on revival.

Western blot data indicates that the CRISPR gene edit may have resulted in a truncation of the protein of interest. Please see data images.

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?

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Properties and storage information

Gene name
SFRP1
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

Supplementary information

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

SFRP1 also known as Secreted Frizzled-Related Protein 1 is a protein that functions mechanically by modulating Wnt signaling pathways. This protein weighs approximately 35 kiloDaltons. SFRP1 acts as a modulator by binding to Wnt ligands preventing them from interacting with their cell surface receptors. It is expressed in various tissues including the kidney retina lung and heart.
Biological function summary

The secreted glycoprotein SFRP1 plays a role in cellular processes such as cell growth differentiation and apoptosis. As a member of the soluble frizzled-related proteins it acts to inhibit Wnt signaling pathways which are critical in maintaining cellular homeostasis. SFRP1 commonly interacts in the extracellular environment where it forms part of a regulatory complex that includes other extracellular matrix components to achieve its function.

Pathways

The role SFRP1 plays is important in the Wnt signaling pathway and the regulation of β-catenin activity. These pathways are involved in embryonic development and tissue regeneration. SFRP1 directly interacts with other proteins like frizzled receptors and Wnt ligands to maintain balance in signaling. This modulation further influences gene expression patterns and cellular behavior.

An imbalance or alteration in SFRP1 activity is associated with cancer and osteoporosis. Its underexpression or lack of function can lead to abnormal cellular proliferation which is linked to tumorogenesis. In cancer SFRP1's interaction with the Wnt signaling pathway and its related proteins such as β-catenin highlights its role in maintaining normal cell function. Abnormal regulation also impacts bone density where SFRP1's regulatory function on Wnt S signaling may affect bone formation and lead to osteoporosis.

Quality control

STR analysis

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

Cell culture

Biosafety level

EU: 1 US: 1

Adherent/suspension

Adherent

Gender

Male

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. <p>1. Thaw the vial in 37°C water bath for approximately 1-2 minutes.<br>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.<br>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.<br>4. Incubate the culture at 37°C incubator with 5% CO<sub>2</sub>. Check the culture one day after revival and continue to check until 80% confluent. Media change can be given if needed.<br>5. Once confluent passage into an appropriate flask at a density of 2x10<sup>4</sup> cells/cm<sup>2</sup>. Seeding density is given as a guide only and should be scaled to align with individual lab schedules. Cultures should be monitored daily.</p>

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.
  • Do not allow the cell density to exceed 7x104 cells/cm2.
Culture medium

F-12K + 10% FBS

Cryopreservation medium

Cell Freezing Medium-DMSO Serum free media, contains 8.7% DMSO in MEM supplemented with methyl cellulose.

Product protocols

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