ELISA Kit for Gonadotropin Releasing Hormone (GnRH) Homo sapiens (Human), Mus musculus (Mouse), Rattus norvegicus (Rat) Competition ELISA

GNRH1; GRH; LNRH; LHRH; LH-RH I; Luliberin; Luteinizing-Hormone Releasing Hormone; Progonadoliberin-1; Gonadoliberin I; Gonadorelin; GnRH-associated peptide 1

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  • ELISA Kit for Gonadotropin Releasing Hormone (GnRH) Packages (Simulation)
  • ELISA Kit for Gonadotropin Releasing Hormone (GnRH) Packages (Simulation)
  • ELISA Kit for Gonadotropin Releasing Hormone (GnRH) Results demonstration
  • CEA843Mi.jpg Typical Standard Curve
  • Certificate ISO9001: 2008, ISO13485: 2003 Registered

Recovery

Matrices listed below were spiked with certain level of recombinant Gonadotropin Releasing Hormone (GnRH) and the recovery rates were calculated by comparing the measured value to the expected amount of Gonadotropin Releasing Hormone (GnRH) in samples.

Matrix Recovery range (%) Average(%)
serum(n=5) 84-101 95
EDTA plasma(n=5) 93-103 101
heparin plasma(n=5) 93-101 96

Precision

Intra-assay Precision (Precision within an assay): 3 samples with low, middle and high level Gonadotropin Releasing Hormone (GnRH) were tested 20 times on one plate, respectively.
Inter-assay Precision (Precision between assays): 3 samples with low, middle and high level Gonadotropin Releasing Hormone (GnRH) 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 Gonadotropin Releasing Hormone (GnRH) 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) 90-105% 99-105% 80-95% 96-105%
EDTA plasma(n=5) 78-99% 97-104% 89-103% 84-92%
heparin plasma(n=5) 90-97% 86-93% 90-98% 80-99%

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
TMB Substrate 1×9mL Stop Solution 1×6mL
Wash Buffer (30 × concentrate) 1×20mL Instruction manual 1

Assay procedure summary

1. Prepare all reagents, samples and standards;
2. Add 50µL standard or sample to each well.
    And then add 50µL prepared Detection Reagent A immediately.
    Shake and mix. Incubate 1 hour at 37°C;
3. Aspirate and wash 3 times;
4. Add 100µL prepared Detection Reagent B. Incubate 30 minutes at 37°C;
5. Aspirate and wash 5 times;
6. Add 90µL Substrate Solution. Incubate 10-20 minutes at 37°C;
7. Add 50µL Stop Solution. Read at 450 nm immediately.

ELISA Kit for Gonadotropin Releasing Hormone (GnRH)

Test principle

This assay employs the competitive inhibition enzyme immunoassay technique. A monoclonal antibody specific to Gonadotropin Releasing Hormone (GnRH) has been pre-coated onto a microplate. A competitive inhibition reaction is launched between biotin labeled Gonadotropin Releasing Hormone (GnRH) and unlabeled Gonadotropin Releasing Hormone (GnRH) (Standards or samples) with the pre-coated antibody specific to Gonadotropin Releasing Hormone (GnRH). After incubation the unbound conjugate is washed off. Next, avidin conjugated to Horseradish Peroxidase (HRP) is added to each microplate well and incubated. The amount of bound HRP conjugate is reverse proportional to the concentration of Gonadotropin Releasing Hormone (GnRH) in the sample. After addition of the substrate solution, the intensity of color developed is reverse proportional to the concentration of Gonadotropin Releasing Hormone (GnRH) in the sample.

Citations

  • Maternal exposure to dioxin imprints sexual immaturity of the pups through fixing the status of the reduced expression of hypothalamic gonadotropin-releasing …Pubmed:24132183
  • Heavy Resistance Training and Supplementation With the Alleged Testosterone Booster Nmda has No Effect on Body Composition, Muscle Performance, and Serum Hormones Associated With the Hypothalamo-Pituitary-Gonadal Axis in Resistance-Trained MalesPubmed:24570624
  • Perfluorooctane sulfonate effects on the reproductive axis in adult male ratsPubmed:25171141
  • Possible role of serotonin and neuropeptide Y on the disruption of the reproductive axis activity by perfluorooctane sulfonatePubmed:25623392
  • Chronic exposure of female mice to an environmental level of perfluorooctane sulfonate suppresses estrogen synthesis through reduced histone H3K14 acetylation of the StAR promoter leading to deficits in follicular development and ovulationPubMed: 26358002
  • Overexpression of PRL7D1 in Leydig Cells Causes Male Reproductive Dysfunction in MicePubmed:26771609
  • OP0019-HPR Effectiveness of A Progressive Resistance Strength Program on Hand Osteoarthritis: A Randomised Controlled Trial60.1.abstract
  • OP0021-HPR Sleep Disorders in Patients with Rheumatoid Arthritis and Relationship with Disease Activity60.3.abstract
  • Exposure of pregnant mice to perfluorobutanesulfonate causes hypothyroxinemia and developmental abnormalities in female offspringpubmed:27803384
  • OP0020 The Association of Gonadotropin-Releasing Hormone and Cytokines in Rheumatoid Arthritiscontent:75
  • Pyrethroid Insecticide Cypermethrin Accelerates Pubertal Onset in Male Mice via Disrupting Hypothalamic-Pituitary-Gonadal Axispubmed:28731686
  • Impact of Perfluorooctane Sulfonate on Reproductive Ability of Female Mice through Suppression of Estrogen Receptor a-Activated Kisspeptin Neurons10.1093:toxsci
  • Nectin-like molecule 2, a necessary sexual maturation regulator, participates in congenital hypogonadotropic hypogonadismPubmed: 32535046
  • Pathophysiological Changes in Female Rats with Estrous Cycle Disorder Induced by Long-Term Heat StressPubmed: 32685488
  • Zihuai recipe alleviates cyclophosphamide-induced diminished ovarian reserve via suppressing PI3K/AKT-mediated apoptosis33422655
  • Zika virus infection in the ovary induces continuously elevated progesterone level and compromises conception in interferon α/β receptor-deficient mice34730391

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