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CLL1223

Sigma-Aldrich

Safe Harbor Landing Pad Cell Line THP-1 Monocytes

human male peripheral blood (Source Disease: Acute monocytic leukemia)

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About This Item

UNSPSC Code:
41106514
NACRES:
NB.01

product name

Safe Harbor Landing Pad Cell Line THP-1 Monocytes,

biological source

human male peripheral blood (Source Disease: Acute monocytic leukemia)

Quality Level

form

frozen liquid (Vial of Frozen Cells)

growth mode

Suspension

technique(s)

cell culture | mammalian: suitable

shipped in

dry ice

storage temp.

−196°C

General description

The STR profile of this cell line matches that of its parental cell line ATCC®Catalog No. TIB-202. THP-1 are a human monocyte cell line isolated from the peripheral blood of a male infant with acute monocytic leukemia. The cells are phagocytic and lack surface and cytoplasmic immunoglobulins. Differentiation can be induced with TPA.

Cell Line Description

These cells were derived from the peripheral blood of a 1-year old male with acute monocytic leukemia. These cells have Fc and C3b receptors and lack surface and cytoplasmic immunoglobulins. They stain positive for α-napthhyl butyrate esterase, produce lysozymes, and are phagocytic (both latex beads and sensitized erythrocytes). They can restore the response of purified T lymphocytes to Concanavalin A, show increased CO2 production on phagocytosis, and can be differentiated into macrophage-like cells using, for example, DMSO.

Application

This product is a human THP-1 monocyte cell line in which a landing pad cassette has been integrated into the AAVS1 safe harbor locus using CompoZr® Zinc Finger Nuclease technology. The mKATE2 fluorescence gene was integrated following the EF1a promoter and flanked by unique Cre-lox sites. The design of this landing pad cassette allows for easy, fast, and affordable genetic modification using Cre recombinase. mKATE2 can easily be exchanged for a payload of the user′s choice using Cre recombinase and a targeting vector with appropriate lox sites. Cells can then be sorted via fluorescence-activated cell sorting (FACS) for loss of mKATE2 expression as a surrogate for successful integration of the targeting vector. Approximately 7-10 days are required for loss of the mKATE2 signal in successfully targeted cells. See technical bulletin for detailed protocols.

Features and Benefits

These cells contain the mKATE2 fluorescence gene flanked by unique Cre-lox sites inserted in the AAVS1 safe harbor gene. These THP-1 cells are grown in suspension with a doubling time of approximately 24 hours.

Quality

Tested for Mycoplasma, bacterial and fungal content, post-freeze viability, short terminal repeat (STR) analysis for cell line identification.

Legal Information

ATCC is a registered trademark of American Type Culture Collection
CompoZr is a registered trademark of Merck KGaA, Darmstadt, Germany

pictograms

Corrosion

signalword

Warning

hcodes

Hazard Classifications

Met. Corr. 1

Storage Class

8A - Combustible corrosive hazardous materials

wgk_germany

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable


Certificados de análisis (COA)

Busque Certificados de análisis (COA) introduciendo el número de lote del producto. Los números de lote se encuentran en la etiqueta del producto después de las palabras «Lot» o «Batch»

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Kimi Araki et al.
Nucleic acids research, 30(19), e103-e103 (2002-10-05)
The Cre-lox system is an important tool for genetic manipulation. To promote integrative reactions, two strategies using mutant lox sites have been developed. One is the left element/right element (LE/RE)-mutant strategy and the other is the cassette exchange strategy using
Huseyin Tas et al.
PloS one, 10(9), e0136963-e0136963 (2015-09-04)
We describe an optimized system for the easy, effective, and precise modification of the Escherichia coli genome. Genome changes are introduced first through the integration of a 1.3 kbp Landing Pad consisting of a gene conferring resistance to tetracycline (tetA)
Zhong-Wei Du et al.
Stem cells (Dayton, Ohio), 27(5), 1032-1041 (2009-05-06)
To circumvent the silencing effect of transgene expression in human embryonic stem cells (hESCs), we employed the Cre recombination-mediated cassette exchange strategy to target the silencing-resistant site in the genome. We have identified new loci that sustain transgene expression during

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