699800P
Avanti
MPLA (PHAD™)
Avanti Research™ - A Croda Brand
Synonym(s):
PHAD™ phosphorylated hexaacyl disaccharide; Glycopyranoside Lipid A; GLA
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All Photos(3)
About This Item
Empirical Formula (Hill Notation):
C96H184N3O22P
CAS Number:
Molecular Weight:
1763.47
UNSPSC Code:
12352211
NACRES:
NA.25
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description
Monophosphoryl Lipid A (Synthetic) (PHAD™)
Assay
>99% (HPLC)
form
powder
packaging
pkg of 1 × 1 mg (699800P-1mg)
pkg of 1 × 5 mg (699800P-5mg)
manufacturer/tradename
Avanti Research™ - A Croda Brand
application(s)
vaccine development
shipped in
dry ice
storage temp.
−20°C
General description
Monophosphoryl lipid A (MPLA) is either extracted from bacterial lipid A or by chemical synthesis.
Vaccination is well-accepted as an effective method to prevent infections by mounting pathogen-specific immune responses prior to the infection. Usually, immunization with vaccine antigens alone is not able to induce robust or long-lasting immune responses — resulting in failure of protective immunity against infections. Thus, adjuvants are required to enhance cellular or humoral immune responses upon immunization. Because vaccine adjuvants using Lipid A have proven to be safe and effective in inducing Th-1 type immune responses to heterologous proteins in animal and human vaccines, Avanti developed Phosphorylated HexaAcyl Disaccharide (PHAD™), the first fully synthetic monophosphoryl Lipid A available for use as an adjuvant in human vaccines.
Application
MPLA PHAD™ has been used:
- as a component of cobalt porphyrin-phospholipid (Co-PoP) liposomes for the immunization of mice with membrane proximal external region (MPER) of the gp41 envelope protein
- as an adjuvant along with dimethyldioctadecylammonium bromide(DDA) for C. muridarum recombinant membrane protein based multi-subunit vaccine
- as toll-like receptor-4 (TLR4) agonist adjuvant for respiratory syncytial virus (RSV) fusion (F) protein FI-RSV vaccine
Biochem/physiol Actions
Monophosphoryl lipid A (MPLA) is a natural agonist for the toll-like receptor-4 (TLR4). It is useful as an adjuvant in immunization. MPLA is a safe prophylactic agent and has immunotherapeutic applications. MPLA used in vaccination improves B cell and T cell-mediated immunity.
Packaging
2 mL Amber Glass Crimp Cap Vial (699800P-1mg)
2 mL Amber Glass Crimp Cap Vial (699800P-5mg)
Other Notes
For R&D use only. Not for drug, household, or other uses.
Legal Information
Avanti Research is a trademark of Avanti Polar Lipids, LLC
PHAD is a trademark of Avanti Polar Lipids, LLC
Storage Class Code
11 - Combustible Solids
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Certificates of Analysis (COA)
Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.
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Ryan C Anderson et al.
Colloids and surfaces. B, Biointerfaces, 75(1), 123-132 (2009-09-15)
Immunostimulatory molecules such as monophosphoryl lipid A (MPL), a Toll-like receptor 4 (TLR4) agonist, can be formulated to enhance vaccine adjuvant effects and to promote a Th1-type immune response. This study compares the in vitro and in vivo potency of
Caroline Boudousquié et al.
Vaccines, 8(1) (2020-01-18)
With the emergence of immune checkpoint inhibitors and adoptive T-cell therapies, there is a considerable interest in using personalized autologous dendritic cell (DC) vaccines in combination with T cell-targeting immunotherapies to potentially maximize the therapeutic impact of DC vaccines. Here
Christopher B Fox et al.
Sub-cellular biochemistry, 53, 303-321 (2010-07-02)
Natural derivatives and synthetic analogues of lipopolysaccharide are potent stimulators of the mammalian immune system. Retained adjuvant activity with reduced toxicity was obtained by the development of monophosphoryl lipid A (MPL((R))), which is approved for use in several vaccine products.
The TLR4 agonist monophosphoryl lipid a drives broad resistance to infection via dynamic reprogramming of macrophage metabolism
Fensterheim BA, et al.
Journal of Immunology, 200(11), 3777-3789 (2018)
Rhea N Coler et al.
PloS one, 5(10), e13677-e13677 (2010-11-10)
Safe, effective adjuvants that enhance vaccine potency, including induction of neutralizing Abs against a broad range of variant strains, is an important strategy for the development of seasonal influenza vaccines which can provide optimal protection, even during seasons when available
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