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Mouse Cystatin-C (Cst3) ELISA Kit (MOEB0658)

SKU:
MOEB0658
Product Type:
ELISA Kit
Size:
96 Assays
Uniprot:
P21460
Range:
7.8-500 ng/mL
ELISA Type:
Sandwich
Synonyms:
Cystatin C, CST3, Cys-C, Cystatin 3, ARMD11, Post-Gamma-Globulin
Reactivity:
Mouse
€649
Frequently bought together:

Description

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Mouse Cystatin-C (Cst3) ELISA Kit

The Mouse Cystatin C (CST3) ELISA Kit is specifically designed for the precise quantification of Cystatin C levels in mouse serum, plasma, and cell culture supernatants. This kit offers exceptional sensitivity and specificity, ensuring accurate and consistent results for a variety of research purposes.Cystatin C is a vital protein that functions as a potent inhibitor of cysteine proteases, playing a crucial role in various physiological processes, including inflammation, apoptosis, and tissue remodeling. Elevated levels of Cystatin C have been linked to a range of diseases, including kidney disorders, cardiovascular diseases, and neurodegenerative conditions, underscoring its importance as a reliable biomarker for disease progression and therapeutic development.

With its user-friendly design and superior performance, the Mouse Cystatin C (CST3) ELISA Kit is an indispensable tool for researchers seeking to uncover the intricate mechanisms underlying disease pathology and explore potential therapeutic interventions. Trust in this kit to deliver accurate and reproducible results, driving groundbreaking discoveries in the field of biomedical research.

Product Name:Mouse Cystatin-C (Cst3) ELISA Kit
SKU:MOEB0658
Size:96T
Target:Mouse Cystatin-C (Cst3)
Synonyms:Cystatin-3
Assay Type:Sandwich
Detection Method:ELISA
Reactivity:Mouse
Detection Range:7.8-500ng/mL
Sensitivity:4.01ng/mL
Intra CV:4.3%
Inter CV:7.8%
Linearity:
Sample1:21:41:81:16
Serum(N=5)103-115%93-103%99-111%103-112%
EDTA Plasma(N=5)101-111%84-96%99-111%93-106%
Heparin Plasma(N=5)113-123%108-118%109-119%97-107%
Recovery:
Sample TypeAverage(%)Recovery Range(%)
Serum8882-94
Plasma9084-96
Function:As an inhibitor of cysteine proteinases, this protein is thought to serve an important physiological role as a local regulator of this enzyme activity.
Uniprot:P21460
Sample Type:Serum, plasma, tissue homogenates, cell culture supernates and other biological fluids
Specificity:Natural and recombinant mouse Cystatin-C
Research Area:Neurosciences
Subcellular Location:Secreted
Storage:Please see kit components below for exact storage details
Note:For research use only
UniProt Protein Function:CST3: As an inhibitor of cysteine proteinases, this protein is thought to serve an important physiological role as a local regulator of this enzyme activity. Defects in CST3 are the cause of amyloidosis type 6 (AMYL6); also known as hereditary cerebral hemorrhage with amyloidosis (HCHWA), cerebral amyloid angiopathy (CAA) or cerebroarterial amyloidosis Icelandic type. AMYL6 is a hereditary generalized amyloidosis due to cystatin C amyloid deposition. Cystatin C amyloid accumulates in the walls of arteries, arterioles, and sometimes capillaries and veins of the brain, and in various organs including lymphoid tissue, spleen, salivary glands, and seminal vesicles. Amyloid deposition in the cerebral vessels results in cerebral amyloid angiopathy, cerebral hemorrhage and premature stroke. Cystatin C levels in the cerebrospinal fluid are abnormally low. Genetic variations in CST3 are associated with age- related macular degeneration type 11 (ARMD11). ARMD is a multifactorial eye disease and the most common cause of irreversible vision loss in the developed world. In most patients, the disease is manifest as ophthalmoscopically visible yellowish accumulations of protein and lipid that lie beneath the retinal pigment epithelium and within an elastin-containing structure known as Bruch membrane. Belongs to the cystatin family.
UniProt Protein Details:

Protein type:Secreted, signal peptide; Secreted; Inhibitor

Cellular Component: axon; basement membrane; cell projection; cell soma; contractile fiber; cytoplasm; endoplasmic reticulum; extracellular region; extracellular space; lysosome; multivesicular body; nuclear membrane; perinuclear region of cytoplasm; vesicle

Molecular Function:beta-amyloid binding; cysteine protease inhibitor activity; endopeptidase inhibitor activity; identical protein binding; protease binding; protease inhibitor activity

Biological Process: defense response; fibril organization and biogenesis; negative regulation of peptidase activity; negative regulation of proteolysis; positive regulation of cell proliferation; positive regulation of DNA replication; regulation of programmed cell death; response to oxidative stress

NCBI Summary:The protein encoded by this gene is a cysteine protease inhibitor involved in neurodegenerative and cardiovascular processes. The encoded protein inhibits aggregation of beta-amyloid protein, a hallmark of Alzheimer's disease, so it may be useful as a therapeutic. This protein also may be a biomarker for atherosclerosis. [provided by RefSeq, Aug 2015]
UniProt Code:P21460
NCBI GenInfo Identifier:1345935
NCBI Gene ID:13010
NCBI Accession:P21460.2
UniProt Secondary Accession:P21460,Q544Y0,
UniProt Related Accession:P21460
Molecular Weight:15,531 Da
NCBI Full Name:Cystatin-C
NCBI Synonym Full Names:cystatin C
NCBI Official Symbol:Cst3
NCBI Official Synonym Symbols:CysC
NCBI Protein Information:cystatin-C
UniProt Protein Name:Cystatin-C
UniProt Synonym Protein Names:Cystatin-3
Protein Family:Cystatin
UniProt Gene Name:Cst3
UniProt Entry Name:CYTC_MOUSE
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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