The Rat Neurabin-2 (PPP1R9B) ELISA Kit is a cutting-edge tool designed for the quantitative measurement of neurabin-2 levels in rat samples, including serum, plasma, and tissue lysates. This kit boasts exceptional sensitivity and specificity, ensuring accurate and reproducible results, making it an invaluable asset for various research studies.Neurabin-2, also known as PPP1R9B, is a critical protein involved in synaptic signaling and neuronal function. It plays a crucial role in processes such as synaptic plasticity, learning, and memory, making it a key target for studying neurological disorders and cognitive functions.
By accurately measuring neurabin-2 levels, researchers can gain valuable insights into the mechanisms underlying brain function and potential therapeutic interventions. The Rat Neurabin-2 (PPP1R9B) ELISA Kit is a reliable and efficient tool for researchers looking to delve deeper into the intricate workings of the nervous system and uncover novel insights into neurobiology. With its high performance and user-friendly format, this kit is an indispensable resource for advancing scientific discoveries in the field of neuroscience.
Product Name:
Rat Neurabin-2 (Ppp1r9b) ELISA Kit
SKU:
RTEB1617
Size:
96T
Target:
Rat Neurabin-2 (Ppp1r9b)
Synonyms:
Neurabin-II, Neural tissue-specific F-actin-binding protein II, PP1bp134, Protein phosphatase 1 regulatory subunit 9B, Spinophilin, p130
Assay Type:
Sandwich
Detection Method:
ELISA
Reactivity:
Rat
Detection Range:
0.312-20ng/mL
Sensitivity:
0.091ng/mL
Intra CV:
4.2%
Inter CV:
6.9%
Linearity:
Sample
1:2
1:4
1:8
1:16
Serum(N=5)
105-114%
102-112%
111-121%
98-108%
EDTA Plasma(N=5)
82-92%
102-112%
102-112%
96-108%
Heparin Plasma(N=5)
109-119%
102-111%
81-94%
103-112%
Recovery:
Sample Type
Average(%)
Recovery Range(%)
Serum
89
83-95
Plasma
91
85-97
Function:
Seems to act as a scaffold protein in multiple signaling pathways. Modulates excitatory synaptic transmission and dendritic spine morphology. Binds to actin filaments (F-actin) and shows cross-linking activity. Binds along the sides of the F-actin. May play an important role in linking the actin cytoskeleton to the plasma membrane at the synaptic junction. Believed to target protein phosphatase 1/PP1 to dendritic spines, which are rich in F-actin, and regulates its specificity toward ion channels and other substrates, such as AMPA-type and NMDA-type glutamate receptors. Plays a role in regulation of G-protein coupled receptor signaling, including dopamine D2 receptors and alpha-adrenergic receptors. May establish a signaling complex for dopaminergic neurotransmission through D2 receptors by linking receptors downstream signaling molecules and the actin cytoskeleton. Binds to ADRA1B and RGS2 and mediates regulation of ADRA1B signaling. May confer to Rac signaling specificity by binding to both, RacGEFs and Rac effector proteins. Probably regulates p70 S6 kinase activity by forming a complex with TIAM1. Required for hepatocyte growth factor (HGF)-induced cell migration.
Uniprot:
O35274
Sample Type:
Serum, plasma, tissue homogenates, cell culture supernates and other biological fluids
Specificity:
Natural and recombinant rat Neurabin-2
Sub Unit:
Interacts with DCLK2 (By similarity). Possibly exists as a homodimer, homotrimer or a homotetramer. Interacts with F-actin, PPP1CA, neurabin-1, TGN38 and D(2) dopamine receptor. Interacts with RGS1, RGS2, RGS4, RGS19 and ADRA1B, ADRA2A, ADRA2B, ADRA2C, CDKN2A, PPP1R2, RASGFR1 and TIAM1. Interacts (via C-terminus) with SPATA13 (via C-terminal tail) (By similarity). Interacts with ADRA2B.
Research Area:
Signal Transduction
Subcellular Location:
Cytoplasm Cytoskeleton Nucleus Cell junction Synapse Cell junction Adherens junction Cell projection Dendritic spine Cytoplasm Cell membrane Cell projection Lamellipodium Cell projection Filopodium Cell projection Ruffle membrane Enriched at synapse and cadherin-based cell-cell adhesion sites. In neurons, both cytosolic and membrane-associated, and highly enriched in the postsynaptic density apposed to exitatory synapses. Colocalizes with PPP1R2 at actin-rich adherens junctions in epithelial cells and in dendritic spines. Accumulates in the lamellipodium, filopodium and ruffle membrane in response to hepatocyte growth factor (HGF) treatment (By similarity).
Storage:
Please see kit components below for exact storage details
Note:
For research use only
UniProt Protein Function:
Spinophilin: actin-binding regulatory subunit of protein phosphatase 1 (PP1). The actin-binding domain of spinophilin is necessary and sufficient for targeting of spinophilin to dendrites and dendritic spines. May play a role in establishing a signaling complex for dopaminergic neurotransmission through D2 receptors by linking receptors downstream signaling molecules and the actin cytoskeleton. Interacts with p14-ARF. Contains one PDZ/DHR domain.Protein type: Protein phosphatase, regulatory subunit; Adaptor/scaffoldChromosomal Location of Human Ortholog: 17q21.33Cellular Component: nucleoplasm; cortical actin cytoskeleton; adherens junction; lamellipodium; cytoplasm; dendritic spine; plasma membrane; synapse; protein phosphatase type 1 complex; filopodiumMolecular Function: protein binding; protein phosphatase inhibitor activity; actin binding; protein phosphatase 1 bindingBiological Process: regulation of synaptic transmission; regulation of protein amino acid phosphorylation; cell migration; regulation of cell growth by extracellular stimulus; filopodium formation; RNA splicing; regulation of exit from mitosis; calcium-mediated signaling; actin filament organization; regulation of cell proliferation; negative regulation of catalytic activity; dendrite development; negative regulation of cell growth; cell cycle arrest
UniProt Protein Details:
NCBI Summary:
This gene encodes a scaffold protein that functions as a regulatory subunit of protein phosphatase 1a. Expression of this gene is particularly high in dendritic spines, suggesting that the encoded protein may play a role in receiving signals from the central nervous system. The encoded protein has putative tumor suppressor function and decreased expression has been observed in tumors. [provided by RefSeq, Feb 2014]
neurabin-2; neurabin-II; protein phosphatase 1, regulatory (inhibitor) subunit 9B; protein phosphatase 1, regulatory subunit 9B, spinophilin
UniProt Protein Name:
Neurabin-2
UniProt Synonym Protein Names:
Neurabin-II; Protein phosphatase 1 regulatory subunit 9B; Spinophilin
Protein Family:
Neurabin
UniProt Gene Name:
PPP1R9B
UniProt Entry Name:
NEB2_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.