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FR4 Monoclonal Antibody (eBio12A5), FITC, eBioscience™, Invitrogen™

Rat Monoclonal Antibody

1656.00 SEK - 3100.00 SEK

Specifications

Antigen FR4
Clone eBio12A5
Concentration 0.5 mg/mL
Applications Flow Cytometry
Classification Monoclonal
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Products 2
Product Code Brand Quantity Price Quantity & Availability  
Product Code Brand Quantity Price Quantity & Availability  
15238239
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Affymetrix eBioscience
11-5445-80
25 μg
1656.00 SEK
25µg
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Estimated Shipment: 10-04-2024
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15248239
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Affymetrix eBioscience
11-5445-82
100 μg
3100.00 SEK
100µg
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Estimated Shipment: 08-05-2024
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Description

Description

Description: The monoclonal antibody eBio12A5 recognizes FR4, also known as Folate receptor 4, FR delta and FBP3 (folate binding protein3). FR4 is a heavily glycosylated, 35 kD receptor for folic acid and the physiologic circulating form of the vitamin, N5-methyltetrahydrofolate. Natural Treg have high levels of FR4 and together with CD25 can be used to distinguish natural Treg, effector T cells, memory-like T cells and naive T cells. FR4 high CD25 high cells are natural Treg with high levels of Foxp3. FR4 high CD25 low cells are identified as central memory T cells, which upon stimulation, can proliferate and produce large amounts of IL-2. In contrast, FR4 low CD25 high cells secrete proinflammatory cytokines such as IFN gamma and IL-17 and have been characterized as effector memory T cells. Based on co-staining studies, the epitopes recognized by eBioTH6 and eBio12A5 are different, thereby allowing functional studies with eBioTH6 to be evaluated with eBio12A5. Applications Reported: This eBio12A5 antibody has been reported for use in flow cytometric analysis. Applications Tested: This eBio12A5 antibody has been tested by flow cytometric analysis of mouse splenocytes. This can be used at less than or equal to 0.5 μg per test. A test is defined as the amount (μg) of antibody that will stain a cell sample in a final volume of 100 μL. Cell number should be determined empirically but can range from 10^5 to 10^8 cells/test.

FR4 is a heavily glycosylated 35 kD receptor for folic acid and the physiologic circulating form of the vitamin, N5-methyltetrahydrofolate. Natural T regs have high levels of FR4 and together with CD25 can be used to distinguish natural Tregs, effector T cells, memory-like T cells and naive T cells. In vivo studies with eBioTH6 show a decrease in the number of CD4+CD25+ cells and an enhanced tumor response leading to the elimination of advanced stages of tumors.
Specifications

Specifications

FR4
0.5 mg/mL
Monoclonal
Liquid
RUO
PBS with 0.09% sodium azide; pH 7.2
0910001L11Rik; C86255; Folate receptor 4; folate receptor 4 (delta); folate receptor 4 (delta) homolog; folate receptor 4, delta (putative); folate receptor delta; Folate-binding protein 3; Folbp3; Folr4; FR-delta; IZUMO1 receptor protein JUNO; IZUMO1 receptor, JUNO; Izumo1r; Juno; probable folate receptor delta; sperm-egg fusion protein Juno
Izumo1r
Primary
4° C, store in dark, DO NOT FREEZE!
Izumo1r
eBio12A5
Flow Cytometry
FITC
Rat
Mouse
Q9EQF4
64931
IgG2b κ
Affinity chromatography
Antibody
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