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Rat Heat-stable enterotoxin receptor (Gucy2c) ELISA Kit (RTEB1007)

SKU:
RTEB1007
Product Type:
ELISA Kit
Size:
96 Assays
Uniprot:
P23897
ELISA Type:
Sandwich
Reactivity:
Rat
$779

Description

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Rat Heat-stable enterotoxin receptor (Gucy2c) ELISA Kit

The Rat Heat-Stable Enterotoxin Receptor (GUCY2C) ELISA Kit is specifically designed for the accurate detection of GUCY2C levels in rat serum, plasma, and cell culture supernatants. This kit boasts high sensitivity and specificity, ensuring dependable and consistent results for a variety of research applications.GUCY2C is an important receptor involved in the signaling pathway of heat-stable enterotoxin, playing a key role in regulating intestinal fluid secretion.

Dysregulation of GUCY2C has been implicated in gastrointestinal disorders, making it a valuable biomarker for studying these conditions and exploring potential therapeutic interventions.Overall, the Rat Heat-Stable Enterotoxin Receptor (GUCY2C) ELISA Kit is a powerful tool for researchers seeking to investigate the role of GUCY2C in various disease states and develop novel treatment strategies.

Product Name:Rat Heat-stable enterotoxin receptor (Gucy2c) ELISA Kit
SKU:RTEB1007
Size:96T
Target:Rat Heat-stable enterotoxin receptor (Gucy2c)
Synonyms:Guanylyl cyclase C, Intestinal guanylate cyclase, GC-C, STA receptor, Guc2c
Assay Type:Sandwich
Detection Method:ELISA
Reactivity:Rat
Intra CV:4.1%
Inter CV:6.9%
Linearity:
Sample1:21:41:81:16
Serum(N=5)103-113%81-94%88-100%100-110%
EDTA Plasma(N=5)110-119%105-115%98-110%114-124%
Heparin Plasma(N=5)102-113%107-119%90-103%109-120%
Recovery:
Sample TypeAverage(%)Recovery Range(%)
Serum10195-107
Plasma10397-109
Function:Receptor for the E.coli heat-stable enterotoxin (E.coli enterotoxin markedly stimulates the accumulation of cGMP in mammalian cells expressing GC-C). Also activated by the endogenous peptide guanylin.
Uniprot:P23897
Sample Type:Serum, plasma, tissue homogenates, cell culture supernates and other biological fluids
Specificity:Natural and recombinant rat Heat-stable enterotoxin receptor
Sub Unit:Homotrimer. Interacts via its C-terminal region with PDZK2. Interacts with the lectin chaperone VIP36.
Research Area:Metabolism
Subcellular Location:Cell membrane Single-pass type I membrane protein Endoplasmic reticulum membrane Single-pass type I membrane protein The 145 kDa plasma membrane form of GC-C contains sialic acid and galactose residues, while a differencially glycosylated 130 Kda form is a high mannose form that is resident in the endoplasmic reticulum and may serve as the precursor for the cell surface form.
Storage:Please see kit components below for exact storage details
Note:For research use only
UniProt Protein Function:GUCY2C: Receptor for the E.coli heat-stable enterotoxin (E.coli enterotoxin markedly stimulates the accumulation of cGMP in mammalian cells expressing GC-C). Also activated by the endogenous peptide guanylin. Defects in GUCY2C are the cause of diarrhea type 6 (DIAR6). A relatively mild, early-onset chronic diarrhea that may be associated with increased susceptibility to inflammatory bowel disease, small-bowel obstruction, and esophagitis. Defects in GUCY2C are a cause of meconium ileus (MECIL). A condition characterized by a intestinal obstruction due to inspissated meconium in the distal ileum and cecum, which develops in utero and presents shortly after birth as a failure to pass meconium. Meconium ileus is a known clinical manifestation of cystic fibrosis. Belongs to the adenylyl cyclase class-4/guanylyl cyclase family.Protein type: Nucleotide Metabolism - purine; Lyase; Protein kinase, RGC; EC 4.6.1.2; Kinase, protein; Protein kinase, dual-specificity (receptor); Membrane protein, integral; Receptor, misc.; Guanylyl cyclase; RGC group; RGC familyCellular Component: endoplasmic reticulum membrane; guanylate cyclase complex, soluble; integral to membrane; plasma membraneMolecular Function: adenylate cyclase activity; ATP binding; GTP binding; guanylate cyclase activity; protein kinase activity; toxin bindingBiological Process: cGMP biosynthetic process; protein amino acid phosphorylation; regulation of cell proliferation; response to toxin; signal transduction
UniProt Protein Details:
NCBI Summary:guanylyl cyclase; functions as receptor for heat-stable enterotoxin responsible for acute diarrhea [RGD, Feb 2006]
UniProt Code:P23897
NCBI GenInfo Identifier:548244
NCBI Gene ID:25711
NCBI Accession:AAA41201.1
UniProt Secondary Accession:P23897
UniProt Related Accession:P23897
Molecular Weight:123,467 Da
NCBI Full Name:guanylyl cyclase
NCBI Synonym Full Names:guanylate cyclase 2C
NCBI Official Symbol:Gucy2c
NCBI Official Synonym Symbols:GCC
NCBI Protein Information:heat-stable enterotoxin receptor
UniProt Protein Name:Heat-stable enterotoxin receptor
UniProt Synonym Protein Names:Guanylyl cyclase C; GC-C; Intestinal guanylate cyclase
Protein Family:
UniProt Gene Name:Gucy2c
UniProt Entry Name:GUC2C_RAT
Component Quantity (96 Assays) Storage
ELISA Microplate (Dismountable) 8×12 strips -20°C
Lyophilized Standard 2 -20°C
Sample Diluent 20ml -20°C
Assay Diluent A 10mL -20°C
Assay Diluent B 10mL -20°C
Detection Reagent A 120µL -20°C
Detection Reagent B 120µL -20°C
Wash Buffer 30mL 4°C
Substrate 10mL 4°C
Stop Solution 10mL 4°C
Plate Sealer 5 -

Other materials and equipment required:

  • Microplate reader with 450 nm wavelength filter
  • Multichannel Pipette, Pipette, microcentrifuge tubes and disposable pipette tips
  • Incubator
  • Deionized or distilled water
  • Absorbent paper
  • Buffer resevoir

*Note: The below protocol is a sample protocol. Protocols are specific to each batch/lot. For the correct instructions please follow the protocol included in your kit.

Allow all reagents to reach room temperature (Please do not dissolve the reagents at 37°C directly). All the reagents should be mixed thoroughly by gently swirling before pipetting. Avoid foaming. Keep appropriate numbers of strips for 1 experiment and remove extra strips from microtiter plate. Removed strips should be resealed and stored at -20°C until the kits expiry date. Prepare all reagents, working standards and samples as directed in the previous sections. Please predict the concentration before assaying. If values for these are not within the range of the standard curve, users must determine the optimal sample dilutions for their experiments. We recommend running all samples in duplicate.

Step
1. Add Sample: Add 100µL of Standard, Blank, or Sample per well. The blank well is added with Sample diluent. Solutions are added to the bottom of micro ELISA plate well, avoid inside wall touching and foaming as possible. Mix it gently. Cover the plate with sealer we provided. Incubate for 120 minutes at 37°C.
2. Remove the liquid from each well, don't wash. Add 100µL of Detection Reagent A working solution to each well. Cover with the Plate sealer. Gently tap the plate to ensure thorough mixing. Incubate for 1 hour at 37°C. Note: if Detection Reagent A appears cloudy warm to room temperature until solution is uniform.
3. Aspirate each well and wash, repeating the process three times. Wash by filling each well with Wash Buffer (approximately 400µL) (a squirt bottle, multi-channel pipette,manifold dispenser or automated washer are needed). Complete removal of liquid at each step is essential. After the last wash, completely remove remaining Wash Buffer by aspirating or decanting. Invert the plate and pat it against thick clean absorbent paper.
4. Add 100µL of Detection Reagent B working solution to each well. Cover with the Plate sealer. Incubate for 60 minutes at 37°C.
5. Repeat the wash process for five times as conducted in step 3.
6. Add 90µL of Substrate Solution to each well. Cover with a new Plate sealer and incubate for 10-20 minutes at 37°C. Protect the plate from light. The reaction time can be shortened or extended according to the actual color change, but this should not exceed more than 30 minutes. When apparent gradient appears in standard wells, user should terminatethe reaction.
7. Add 50µL of Stop Solution to each well. If color change does not appear uniform, gently tap the plate to ensure thorough mixing.
8. Determine the optical density (OD value) of each well at once, using a micro-plate reader set to 450 nm. User should open the micro-plate reader in advance, preheat the instrument, and set the testing parameters.
9. After experiment, store all reagents according to the specified storage temperature respectively until their expiry.

When carrying out an ELISA assay it is important to prepare your samples in order to achieve the best possible results. Below we have a list of procedures for the preparation of samples for different sample types.

Sample Type Protocol
Serum If using serum separator tubes, allow samples to clot for 30 minutes at room temperature. Centrifuge for 10 minutes at 1,000x g. Collect the serum fraction and assay promptly or aliquot and store the samples at -80°C. Avoid multiple freeze-thaw cycles. If serum separator tubes are not being used, allow samples to clot overnight at 2-8°C. Centrifuge for 10 minutes at 1,000x g. Remove serum and assay promptly or aliquot and store the samples at -80°C. Avoid multiple freeze-thaw cycles.
Plasma Collect plasma using EDTA or heparin as an anticoagulant. Centrifuge samples at 4°C for 15 mins at 1000 × g within 30 mins of collection. Collect the plasma fraction and assay promptly or aliquot and store the samples at -80°C. Avoid multiple freeze-thaw cycles. Note: Over haemolysed samples are not suitable for use with this kit.
Urine & Cerebrospinal Fluid Collect the urine (mid-stream) in a sterile container, centrifuge for 20 mins at 2000-3000 rpm. Remove supernatant and assay immediately. If any precipitation is detected, repeat the centrifugation step. A similar protocol can be used for cerebrospinal fluid.
Cell culture supernatant Collect the cell culture media by pipette, followed by centrifugation at 4°C for 20 mins at 1500 rpm. Collect the clear supernatant and assay immediately.
Cell lysates Solubilize cells in lysis buffer and allow to sit on ice for 30 minutes. Centrifuge tubes at 14,000 x g for 5 minutes to remove insoluble material. Aliquot the supernatant into a new tube and discard the remaining whole cell extract. Quantify total protein concentration using a total protein assay. Assay immediately or aliquot and store at ≤ -20 °C.
Tissue homogenates The preparation of tissue homogenates will vary depending upon tissue type. Rinse tissue with 1X PBS to remove excess blood & homogenize in 20ml of 1X PBS (including protease inhibitors) and store overnight at ≤ -20°C. Two freeze-thaw cycles are required to break the cell membranes. To further disrupt the cell membranes you can sonicate the samples. Centrifuge homogenates for 5 mins at 5000xg. Remove the supernatant and assay immediately or aliquot and store at -20°C or -80°C.
Tissue lysates Rinse tissue with PBS, cut into 1-2 mm pieces, and homogenize with a tissue homogenizer in PBS. Add an equal volume of RIPA buffer containing protease inhibitors and lyse tissues at room temperature for 30 minutes with gentle agitation. Centrifuge to remove debris. Quantify total protein concentration using a total protein assay. Assay immediately or aliquot and store at ≤ -20 °C.
Breast Milk Collect milk samples and centrifuge at 10,000 x g for 60 min at 4°C. Aliquot the supernatant and assay. For long term use, store samples at -80°C. Minimize freeze/thaw cycles.

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