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MyD88 Inhibitor Peptide Set

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Product Details

Summary
Reactivity Hu, Mu, Rt, Bv, Xp, Ye, ZeSpecies Glossary
Applications ELISA, Flow, Func, IHC, Inhibition Activity, B/N
Concentration
LYOPH

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MyD88 Inhibitor Peptide Set Summary

Immunogen
Functions as a decoy by binding to the MyD88 TIR domain.
Specificity
The MyD88 Homodimerization inhibitory peptide contains a protein transduction (PTD) sequence (DRQIKIWFQNRRMKWKK) derived from antennapedia which renders the peptide cell permeable (Derossi et al, The third helix of the antennapedia homeodomain translocates through biological membranes. J Biol Chem. 269:10444-10450 (1994)] .The control peptide consists of only the PTD sequence.
Preparation
Method
Preparation of 5 mM Stock Solutions
PBS* is added directly to the vials to prepare the stock solutions. Note: Bring the solution to room temperature and quick spin the tubes before opening the caps.
MyD88 Homodimerization Inhibitor Peptide: 1 mg of DRQIKIWFQNRRMKWKKRDVLPGT
Add 64.4 ul of PBS* to the vial to make a 5 mM stock solution. Mix by vortexing. Aliquot and store at -20C or -80C. Avoid repeated freeze thawing.

Control Peptide: 1 mg of DRQIKIWFQNRRMKWKK
Add 84.8 ul PBS* to the vial. Mix by vortexing. Aliquot and store at -20C or -80C. Avoid repeated freeze thawing
*Recipe for 1X PBS:
1. Dissolve the following in 800ml distilled H2O.
- 8g of NaCl
- 0.2g of KCl
- 1.44g of Na2HPO4
- 0.24g of KH2PO4
2. Adjust pH to 7.5 with HCl.
3. Adjust volume to 1L with additional distilled H2O.
4. Sterilize by autoclaving
Content
2 x 1.0mg: MyD88 Homodimerization Inhibitor peptide (lyophilized) DRQIKIWFQNRRMKWKKRDVLPGT (MyD88 homodimerization sequence: RDVLPGT). Molecular weight: 3100
2 x 1.0mg: Antennapedia Control peptide (lyophilized) DRQIKIWFQNRRMKWKK. Molecular weight: 2361
5mg size will contain 5mg of each peptide (MyD88 Homodimerization Inhibitor peptide and Antennapedia Control peptide).
Gene
MYD88

Applications/Dilutions

Dilutions
  • Binding Inhibition reported in scientific literature (PMID 28302163)
  • Block/Neutralize reported in scientific literature (PMID 24886588)
  • ELISA 1:100 - 1:2000. Use reported in scientific literature (PMID 23469306)
  • Flow Cytometry reported in scientific literature (PMID 27870876)
  • Functional (Inhibition) reported in multiple pieces of scientific literature
  • Immunohistochemistry reported in scientific literature (PMID 28282921)
  • In vitro assay reported in scientific literature (PMID 25810567)
  • In vivo assay reported in scientific literature (PMID 24755282)
Application Notes
Inhibition of MyD88 dependent TLR/IL-1R signaling activitiy by interefering with MyD88 homodimer formation.

Inhibitory peptide at 100 uM concentration may be a starting point. However, useful concentration of peptide may vary depending on experimental condition and cell type. Incubate cells for 24 hr with peptides before stimulating with ligands.
Reviewed Applications
Read 3 Reviews rated 5
using
NBP2-29328 in the following applications:

Publications
Read Publications using
NBP2-29328 in the following applications:

Reactivity Notes

Yeast reactivity reported in scientific literature (PMID: 27870876).

Packaging, Storage & Formulations

Storage
Aliquot and store at -20C or -80C. Avoid freeze-thaw cycles.
Buffer
Solubilize the peptides prior to use by making 5 mM PBS* stock solutions (please see Preparation of 5 mM Stock Solutions under Preparation Method).
Concentration
LYOPH
Reconstitution Instructions
Please contact technical support for detailed reconstitution instructions.

Alternate Names for MyD88 Inhibitor Peptide Set

  • MyD88
  • MYD88D
  • myeloid differentiation primary response gene (88)
  • myeloid differentiation primary response protein MyD88

Background

MyD88 is an adapter protein that links Toll-like receptors (TLRs) and Interleukin-1 receptors (IL-1rs) with downstream signaling molecules. Homodimerization of MyD88 is a critical step in the signaling process, and allows the recruitment and activation of the kinase IRAK. MyD88 exists as a homodimer when recruited to activated TLR/IL-1Rs. The inhibitor peptide contains a sequence from the MyD88 TIR homodimerization domain (Loiarro, et al.). 1 MyD88 monomer binds to this inhibitor peptide, there by blocking MyD88 homodimerization.

Limitations

This product is for research use only and is not approved for use in humans or in clinical diagnosis. Inhibitors are guaranteed for 1 year from date of receipt.

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Publications for MyD88 Inhibitor (NBP2-29328)(99)

We have publications tested in 6 confirmed species: Human, Mouse, Rat, Bovine, Porcine, Yeast.

We have publications tested in 12 applications: B/N, BindInhib, ELISA, FLOW, Forced Spectroscopy, Func, Func-Inh, IF/IHC, In Vivo, In vitro, In-Cell Western (ICW), WB.


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B/N
(13)
BindInhib
(2)
ELISA
(2)
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(1)
Forced Spectroscopy
(7)
Func
(2)
Func-Inh
(1)
IF/IHC
(2)
In Vivo
(6)
In vitro
(6)
In-Cell Western (ICW)
(2)
WB
(4)
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Human
(14)
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Showing Publications 1 - 10 of 99. Show All 99 Publications.
Publications using NBP2-29328 Applications Species
Yao XP, Ye J, Feng T et al. Adaptor protein MyD88 confers the susceptibility to stress via amplifying immune danger signals Brain, behavior, and immunity 2022-12-07 [PMID: 36496170] (In Vivo) In Vivo
Katab E, Kumar A, Steiger K et al. NF-?B c-REL-OTUD4 axis regulates B-cell receptor in B-cell lymphoma bioRxiv 2023-05-08
Suresh B THE ROLE OF LYSOSOME REMODELING IN PHAGOCYTOSIS Thesis 2021-01-01 (Forced Spectroscopy) Forced Spectroscopy
Noya M Searching for pattern recognition receptor (s) involved in the response to tick-borne encephalitis virus (TBEV) and the TBEV vaccine Thesis 2020-01-01
Zainal Abidin N. Studies on the intracellular life of the melioidosis pathogen Burkholderia pseudomallei. Thesis. 2018-01-01 (B/N, Mouse) B/N Mouse
Saxena A. Defining the Impact of Metabolic Stress and the loss of NOD2 in Epithelial-microbial Interaction. Thesis 2017-01-01 (Human) Human
Sahanic S, Hilbe R, Dünser C et al. SARS-CoV-2 activates the TLR4/MyD88 pathway in human macrophages: A possible correlation with strong pro-inflammatory responses in severe COVID-19 Heliyon 2023-11-01 [PMID: 38034686]
Thapa HB, Kohl P, Zingl FG et al. Characterization of the Inflammatory Response Evoked by Bacterial Membrane Vesicles in Intestinal Cells Reveals an RIPK2-Dependent Activation by Enterotoxigenic Escherichia coli Vesicles Microbiology spectrum 2023-06-12 [PMID: 37306596] (Func-Inh) Func-Inh
Kwon O, Lee S Ishige okamurae Attenuates Neuroinflammation and Cognitive Deficits in Mice Intracerebroventricularly Injected with LPS via Regulating TLR-4/MyD88-Dependent Pathways Antioxidants 2022-12-29 [PMID: 36670940]
Liao Y, Guo C, Wen A et al. Frankincense-Myrrh treatment alleviates neuropathic pain via the inhibition of neuroglia activation mediated by the TLR4/MyD88 pathway and TRPV1 signaling Phytomedicine : international journal of phytotherapy and phytopharmacology 2023-01-01 [PMID: 36379093] (In Vivo, Mouse) In Vivo Mouse
Show All 99 Publications.

Reviews for MyD88 Inhibitor (NBP2-29328) (3) 53

Average Rating: 5
(Based on 3 reviews)

Reviews using NBP2-29328:
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  5
reviewed by:
Adrienne Franks
05/12/2017
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  5
reviewed by:
Kyong-su Park
04/28/2017
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  5
reviewed by:
Adrienne Franks
04/19/2017
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Product General Protocols

View specific protocols for MyD88 Inhibitor (NBP2-29328): Find general support by application which include: protocols, troubleshooting, illustrated assays, videos and webinars.

FAQs for MyD88 Inhibitor (NBP2-29328). (Showing 1 - 4 of 4 FAQs).

  1. I have a question regarding the product NBP2-29328 and want to know how the inhibitory peptide passes through the cell wall?
    • The MyD88 inhibitory peptide contains a protein transduction (PTD) sequence derived from antennapedia which renders the PTD sequence renders the peptide cell permeable. The antennapedia technology was first described by Derossi et al, The third helix of the Antennapedia homeodomain translocates through biological membranes and is used in a number of our inhibitory peptides. The MyD88 inhibitory peptide also contains a sequence from the MyD88 TIR homodimerization domain (Loiarro et al, Peptide-mediated interference of TIR domain dimerization in MyD88 inhibits interleukin-1-dependent activation of NF-{kappa}B). The control peptide consists of only the PTD sequence. The Derossi and Loiarro technology references are attached for additional background information. Please also follow this link to representative publications citing the MyD88 inhibitory peptide.
  2. I'm looking into purchasing NBP2-29328 for use and I am wondering if you can give me more information. Specifically, I would like to inject this drug ICM (directly into the CNS) using a rat model, and I am wondering what information you can provide about
    • Unfortunately, I do not see any in-vivo data for this product on our internal records. Most of the information that we have on our records for this product may be seen at its online datasheets
  3. I was wondering whether NBP2-29328-5mg has biological activity.
    • Our MyD88 Inhibitor Peptide Set does have biological activity.
  4. Is this the same as ST2825 compound described by Loiarro et al, 2007?
    • ST2825 is the heptapeptide only, whereas the inhibitor peptide from NBP2-29328 corresponds to the association between the hexapeptide + the PTD sequence from antennapedia. In that case, this would suggest that the product used in Loiarro et al. is not the same as NBP2-29328.

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Recent Reviews

5
5
3
4
0
3
0
2
0
1
0

 
Adrienne Franks
05/12/2017
Application:
Species:

 
Kyong-su Park
04/28/2017
Application:
Species:

 
Adrienne Franks
04/19/2017
Application:
Species:

Bioinformatics

Gene Symbol MYD88