CLIA Kit for Neurotrophin 3 (NT3)

NTF3; HDNF; NGF2; Nerve Growth Factor 2; Neurotrophic Factor

Specificity

This assay has high sensitivity and excellent specificity for detection of Neurotrophin 3 (NT3).
No significant cross-reactivity or interference between Neurotrophin 3 (NT3) and analogues was observed.

Recovery

Matrices listed below were spiked with certain level of recombinant Neurotrophin 3 (NT3) and the recovery rates were calculated by comparing the measured value to the expected amount of Neurotrophin 3 (NT3) in samples.

Matrix Recovery range (%) Average(%)
serum(n=5) 89-104 101
EDTA plasma(n=5) 91-101 96
heparin plasma(n=5) 84-91 87

Precision

Intra-assay Precision (Precision within an assay): 3 samples with low, middle and high level Neurotrophin 3 (NT3) were tested 20 times on one plate, respectively.
Inter-assay Precision (Precision between assays): 3 samples with low, middle and high level Neurotrophin 3 (NT3) were tested on 3 different plates, 8 replicates in each plate.
CV(%) = SD/meanX100
Intra-Assay: CV<10%
Inter-Assay: CV<12%

Linearity

The linearity of the kit was assayed by testing samples spiked with appropriate concentration of Neurotrophin 3 (NT3) and their serial dilutions. The results were demonstrated by the percentage of calculated concentration to the expected.

Sample 1:2 1:4 1:8 1:16
serum(n=5) 88-104% 85-104% 79-88% 95-104%
EDTA plasma(n=5) 90-102% 98-105% 94-102% 96-105%
heparin plasma(n=5) 92-99% 79-96% 92-103% 87-101%

Stability

The stability of kit is determined by the loss rate of activity. The loss rate of this kit is less than 5% within the expiration date under appropriate storage condition.
To minimize extra influence on the performance, operation procedures and lab conditions, especially room temperature, air humidity, incubator temperature should be strictly controlled. It is also strongly suggested that the whole assay is performed by the same operator from the beginning to the end.

Reagents and materials provided

Reagents Quantity Reagents Quantity
Pre-coated, ready to use 96-well strip plate 1 Plate sealer for 96 wells 4
Standard 2 Standard Diluent 1×20mL
Detection Reagent A 1×120µL Assay Diluent A 1×12mL
Detection Reagent B 1×120µL Assay Diluent B 1×12mL
Substrate A 1×10mL Substrate B 1×2mL
Wash Buffer (30 × concentrate) 1×20mL Instruction manual 1

Assay procedure summary

1. Prepare all reagents, samples and standards;
2. Add 100µL standard or sample to each well. Incubate 1 hours at 37°C;
3. Aspirate and add 100µL prepared Detection Reagent A. Incubate 1 hour at 37°C;
4. Aspirate and wash 3 times;
5. Add 100µL prepared Detection Reagent B. Incubate 30 minutes at 37°C;
6. Aspirate and wash 5 times;
7. Add 100µL Substrate Solution. Incubate 10 minutes at 37°C;
8. Read RLU value immediately.

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S Caracteriza Teses: Disponiveis
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Efecto de Diferentes Intervenciones de Ejercicio Físico Agudo Sobre Niveles Plasmáticos de BDNF, NT-3 y NT-4 en Adultos con Sobrepeso :
Artificial Cells Nanomedicine and Biotechnology Histological and functional outcomes in a rat model of hemisected spinal cord with sustained VEGF/NT-3 release from tissue-engineered grafts Pubmed: 31899965
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Iranian Journal of Basic Medical Sciences Adrenomedullin increases cAMP accumulation and BDNF expression in rat DRG and spinal motor neurons 34712429
Molecular Biology Reports Umbilical cord-derived mesenchymal stem cell conditioned medium reverses neuronal oxidative injury by inhibition of TRPM2 activation and the JNK signaling … Pubmed:35585377
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