| Applications: |
ELISA |
| Reactivity: |
Human |
| Note: |
FOR SCIENTIFIC EDUCATIONAL RESEARCH USE ONLY (RUO). MUST NOT BE USED IN DIAGNOSTIC OR OTHER MEDICAL APPLICATIONS. |
| Sensitivity: |
10.47 pg/mL |
| Detection Limit: |
31.25-2000 pg/mL |
| Short Description: |
This TFR1 Sandwich ELISA is an in-vitro enzyme-linked immunosorbent assay for the measurement of samples in human cell culture supernatant, serum and plasma (EDTA, citrate, heparin). |
| Storage Instruction: |
If unopened the kit may be stored at 2-8°C for up to 1 month. If the kit will not be used within 1 month, store the components separately, according to the component table in the manual. |
| Assay Time: |
3.5h |
| Detection: |
Colormetric |
| Gene Symbol: |
TFRC |
| Gene ID: |
7037 |
| Uniprot ID: |
TFR1_HUMAN |
| Specificity: |
This kit recognizes Human TFR1 in samples. No significant cross-reactivity or interference between Human TFR1 and analogues was observed. |
| Sample Type: |
serum, plasma and other biological fluids |
| Post Translational Modifications | Stearoylated by ZDHHC6 which inhibits TFRC-mediated activation of the JNK pathway and promotes mitochondrial fragmentation. Stearoylation does not affect iron uptake. N- and O-glycosylated, phosphorylated and palmitoylated. The serum form is only glycosylated. Proteolytically cleaved on Arg-100 to produce the soluble serum form (sTfR). Palmitoylated on both Cys-62 and Cys-67. Cys-62 seems to be the major site of palmitoylation. |
| Function | Cellular uptake of iron occurs via receptor-mediated endocytosis of ligand-occupied transferrin receptor into specialized endosomes. Endosomal acidification leads to iron release. The apotransferrin-receptor complex is then recycled to the cell surface with a return to neutral pH and the concomitant loss of affinity of apotransferrin for its receptor. Transferrin receptor is necessary for development of erythrocytes and the nervous system. A second ligand, the heditary hemochromatosis protein HFE, competes for binding with transferrin for an overlapping C-terminal binding site. Positively regulates T and B cell proliferation through iron uptake. Acts as a lipid sensor that regulates mitochondrial fusion by regulating activation of the JNK pathway. When dietary levels of stearate (C18:0) are low, promotes activation of the JNK pathway, resulting in HUWE1-mediated ubiquitination and subsequent degradation of the mitofusin MFN2 and inhibition of mitochondrial fusion. When dietary levels of stearate (C18:0) are high, TFRC stearoylation inhibits activation of the JNK pathway and thus degradation of the mitofusin MFN2. (Microbial infection) Acts as a receptor for new-world arenaviruses: Guanarito, Junin and Machupo virus. |
| Protein Name | Transferrin Receptor Protein 1TrTfrTfr1TrfrT9P90Cd Antigen Cd71 Cleaved Into - Transferrin Receptor Protein 1 - Serum FormStfr |
| Database Links | Reactome: R-HSA-432722Reactome: R-HSA-8856825Reactome: R-HSA-8856828Reactome: R-HSA-8980692Reactome: R-HSA-9013026Reactome: R-HSA-9013106Reactome: R-HSA-9013148Reactome: R-HSA-9013149Reactome: R-HSA-9013404Reactome: R-HSA-9013406Reactome: R-HSA-9013407Reactome: R-HSA-9013408Reactome: R-HSA-9013409Reactome: R-HSA-9013423Reactome: R-HSA-917977Reactome: R-HSA-9696270Reactome: R-HSA-9696273 |
| Cellular Localisation | Cell MembraneSingle-Pass Type Ii Membrane ProteinMelanosomeIdentified By Mass Spectrometry In Melanosome Fractions From Stage I To Stage IvTransferrin Receptor Protein 1Serum Form: Secreted |
| Alternative ELISA Names | Transferrin Receptor Protein 1 ELISA kitTr ELISA kitTfr ELISA kitTfr1 ELISA kitTrfr ELISA kitT9 ELISA kitP90 ELISA kitCd Antigen Cd71 Cleaved Into - Transferrin Receptor Protein 1 - Serum Form ELISA kitStfr ELISA kitTFRC ELISA kit |
| Specificity | This kit recognizes Human TFR1 in samples. No significant cross-reactivity or interference between Human TFR1 and analogues was observed. |
| Reproducibility | Both intra-CV and inter-CV are |
Information sourced from Uniprot.org
| Item | Specifications | Storage |
| Micro ELISA Plate (Dismountable) | 96T: 8 wells ×12 strips strips | -20℃, 6 months |
| Reference Standard | 96T: 2 vials 48T: 1 vial | -20℃, 6 months |
| Concentrated Biotinylated Detection Ab (100×) | 96T: 1 vial, 120 μL 60 μL | -20℃, 6 months |
| Concentrated HRP Conjugate (100×) | 96T: 1 vial, 120 μL 60 μL | -20℃ (Protect from light), 6 months |
| Reference Standard & Sample Diluent | 1 vial, 20 mL | 2-8°C, 6 months |
| Biotinylated Detection Ab Diluent | 1 vial, 14 mL | 2-8°C, 6 months |
| HRP Conjugate Diluent | 1 vial, 14 mL | 2-8°C, 6 months |
| Concentrated Wash Buffer (25×) | 1 vial, 30 mL | 2-8°C, 6 months |
| Substrate Reagent | 1 vial, 10 mL | 2-8℃ (Protect from light) |
| Stop Solution | 1 vial, 10 mL | 2-8°C |
| Plate Sealer | 5 pieces | |
| Manual | 1 copy | |
| Certificate of Analysis | 1 copy | |
| Sample Type | Range (%) | Average Recovery (%) |
| Serum(n=8) | 87-99 | 93 |
| EDTA plasma (n=8) | 94-107 | 99 |
| Cell culture media (n=8) | 94-109 | 100 |
| | Intra-assay Precision | Intra-assay Precision | Intra-assay Precision | Inter-assay Precision | Inter-assay Precision | Inter-assay Precision |
| Sample | 1.00 | 2.00 | 3.00 | 1.00 | 2.00 | 3.00 |
| n | 20.00 | 20.00 | 20.00 | 20.00 | 20.00 | 20.00 |
| Mean (pg/mL) | 108.82 | 302.24 | 670.42 | 105.34 | 314.18 | 723.30 |
| Standard deviation | 7.30 | 13.54 | 32.18 | 6.49 | 14.99 | 23.15 |
| CV (%) | 6.71 | 4.48 | 4.80 | 6.16 | 4.77 | 3.20 |
12 months for antibodies. 6 months for ELISA Kits. Please see website T&Cs for further guidance
