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Human Activity-regulated cytoskeleton-associated protein (ARC) ELISA Kit (HUEB2535)

SKU:
HUEB2535
Product Type:
ELISA Kit
Size:
96 Assays
Uniprot:
Q7LC44
Range:
0.156-10 ng/mL
ELISA Type:
Sandwich
Synonyms:
ARC, ARG3.1, mArc, Activity-regulated gene 3.1 protein homolog
Reactivity:
Human
€649
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Description

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Human Activity-regulated cytoskeleton-associated protein (ARC) ELISA Kit

The Human Activity Regulated Cytoskeleton-Associated Protein (ARC) ELISA Kit is a reliable tool for the precise measurement of ARC levels in human samples, including serum, plasma, and cell culture supernatants. This kit offers high sensitivity and specificity, ensuring accurate and reproducible results for a variety of research applications.ARC is a key protein involved in regulating cytoskeletal dynamics and synaptic plasticity in the brain, playing a crucial role in neuronal development and function. Dysregulation of ARC has been implicated in various neurological disorders, including Alzheimer's disease and autism spectrum disorders, making it a valuable biomarker for studying these conditions and exploring potential treatment options.

By using the Human Activity Regulated Cytoskeleton-Associated Protein (ARC) ELISA Kit, researchers can gain valuable insights into the role of ARC in neuronal function and its potential implications in neurological disorders. This kit provides a convenient and efficient way to accurately measure ARC levels, facilitating detailed studies and advancements in neuroscience research.

Product Name:Human Activity-regulated cytoskeleton-associated protein (ARC) ELISA Kit
SKU:HUEB2535
Size:96T
Target:Human Activity-regulated cytoskeleton-associated protein (ARC)
Synonyms:Activity-regulated gene 3.1 protein homolog, ARC/ARG3.1, hArc, KIAA0278
Assay Type:Sandwich
Detection Method:ELISA
Reactivity:Human
Detection Range:0.156-10ng/mL
Sensitivity:0.076ng/mL
Intra CV:4.3%
Inter CV:8.5%
Linearity:
Sample1:21:41:81:16
Serum(N=5)99-109%104-116%95-106%100-110%
EDTA Plasma(N=5)85-95%99-111%84-97%93-103%
Heparin Plasma(N=5)86-96%91-101%95-105%102-112%
Recovery:
Sample TypeAverage(%)Recovery Range(%)
Serum10094-106
Plasma10296-108
Function:Master regulator of synaptic plasticity that self-assembles into virion-like capsids that encapsulate RNAs and mediate intercellular RNA transfer in the nervous system. ARC protein is released from neurons in extracellular vesicles that mediate the transfer of ARC mRNA into new target cells, where ARC mRNA can undergo activity-dependent translation. ARC capsids are endocytosed and are able to transfer ARC mRNA into the cytoplasm of neurons. Acts as a key regulator of synaptic plasticity: required for protein synthesis-dependent forms of long-term potentiation (LTP) and depression (LTD) and for the formation of long-term memory. Regulates synaptic plasticity by promoting endocytosis of AMPA receptors (AMPARs) in response to synaptic activity: this endocytic pathway maintains levels of surface AMPARs in response to chronic changes in neuronal activity through synaptic scaling, thereby contributing to neuronal homeostasis. Acts as a postsynaptic mediator of activity-dependent synapse elimination in the developing cerebellum by mediating elimination of surplus climbing fiber synapses. Accumulates at weaker synapses, probably to prevent their undesired enhancement. This suggests that ARC-containing virion-like capsids may be required to eliminate synaptic material. Required to transduce experience into long-lasting changes in visual cortex plasticity and for long-term memory (By similarity). Involved in postsynaptic trafficking and processing of amyloid-beta A4 (APP) via interaction with PSEN1 (By similarity). In addition to its role in synapses, also involved in the regulation of the immune system: specifically expressed in skin-migratory dendritic cells and regulates fast dendritic cell migration, thereby regulating T-cell activation (By similarity).
Uniprot:Q7LC44
Sample Type:Serum, plasma, tissue homogenates, cell culture supernates and other biological fluids
Specificity:Natural and recombinant human Activity-regulated cytoskeleton-associated protein
Sub Unit:Homooligomer; homooligomerizes into virion-like capsids (PubMed:25748042). Interacts with SH3GL1/endophilin-2, SH3GL3/endophilin-3 and DNM2/DYN2 (By similarity). Interacts with CAMK2B (in the kinase inactive state); leading to target ARC to inactive synapses (By similarity). Interacts with PSEN1 (By similarity).
Subcellular Location:Extracellular vesicle membrane Lipid-anchor Cell junction Synapse Postsynaptic cell membrane Lipid-anchor Cell junction Synapse Cell junction Synapse Postsynaptic cell membrane Postsynaptic density Early endosome membrane Cell projection Dendrite Cytoplasm Cytoskeleton Cytoplasm Cell cortex Cell projection Dendritic spine Cytoplasmic vesicle Secretory vesicle Acrosome Forms virion-like extracellular vesicles that are released from neurons. Enriched in postsynaptic density of dendritic spines. Targeted to inactive synapses following interaction with CAMK2B in the kinase inactive state. Accumulation at weaker synapses may be required to prevent their undesired enhancement. Associated with the cell cortex of neuronal soma and dendrites (By similarity). Associated with the sperm tail (By similarity).
Storage:Please see kit components below for exact storage details
Note:For research use only
UniProt Protein Function:ARG3.1: Required for consolidation of synaptic plasticity as well as formation of long-term memory. Regulates endocytosis of AMPA receptors in response to synaptic activity. Required for homeostatic synaptic scaling of AMPA receptors. Plays a role in the regulation of cell morphology and cytoskeletal organization. Required in the stress fiber dynamics and cell migration. Belongs to the ARC/ARG3.1 family.
UniProt Protein Details:

Chromosomal Location of Human Ortholog: 8q24.3

Cellular Component: postsynaptic membrane; cytoplasm; postsynaptic density; plasma membrane; dendritic spine; acrosome; cell junction; endosome; actin cytoskeleton

Biological Process: anterior/posterior pattern formation; cell migration; regulation of cell morphogenesis; cytoskeleton organization and biogenesis; endocytosis; learning; endoderm development; regulation of neuronal synaptic plasticity

UniProt Code:Q7LC44
NCBI GenInfo Identifier:74738627
NCBI Gene ID:23237
NCBI Accession:Q7LC44.1
UniProt Secondary Accession:Q7LC44,Q9UJW6, Q9Y469,
UniProt Related Accession:Q7LC44
Molecular Weight:45,316 Da
NCBI Full Name:Activity-regulated cytoskeleton-associated protein
NCBI Synonym Full Names:activity-regulated cytoskeleton-associated protein
NCBI Official Symbol:ARC
NCBI Official Synonym Symbols:Arg3.1
NCBI Protein Information:activity-regulated cytoskeleton-associated protein; ARC/ARG3.1; ARC {ECO:0000312|EMBL:AAG33705.1}; activity-regulated gene 3.1 protein homolog
UniProt Protein Name:Activity-regulated cytoskeleton-associated protein
UniProt Synonym Protein Names:ARC/ARG3.1; Activity-regulated gene 3.1 protein homolog; Arg3.1
Protein Family:Arcelin
UniProt Gene Name:ARC
UniProt Entry Name:ARC_HUMAN
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.
ELISA
Human ARC ELISA Kit

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