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Merck

D7783

Sigma-Aldrich

Pyrroloquinoline quinone

≥95.0% (HPLC)

Sinónimos:

4,5-Dihydro-4,5-dioxo-1H-pyrrolo[2,3-f]quinoline-2,7,9-tricarboxylic acid, Methoxatin, PQQ

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About This Item

Fórmula empírica (notación de Hill):
C14H6N2O8
Número de CAS:
Peso molecular:
330.21
Beilstein/REAXYS Number:
3596812
MDL number:
UNSPSC Code:
12352106
PubChem Substance ID:
NACRES:
NA.79

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biological source

synthetic

Quality Level

assay

≥95.0% (HPLC)

form

powder

technique(s)

HPLC: suitable

color

red to deep red

storage temp.

2-8°C

SMILES string

OC(=O)c1cc(C(O)=O)c-2c(n1)C(=O)C(=O)c3cc([nH]c-23)C(O)=O

InChI

1S/C14H6N2O8/c17-10-4-2-6(14(23)24)15-8(4)7-3(12(19)20)1-5(13(21)22)16-9(7)11(10)18/h1-2,15H,(H,19,20)(H,21,22)(H,23,24)

InChI key

MMXZSJMASHPLLR-UHFFFAOYSA-N

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General description

Pyrroloquinoline Quinone (PQQ), also referred as methoxatin, is a water soluble orthoquinone molecule with redox-cycling ability.[1]
Novel o-quinone coenzyme found in bacterial dehydrogenases and oxidases.

Application

Pyrroloquinoline quinone has been used:
  • as a component of nanocurcumin formulation (NCF), to study its therapeutic effect on ameliorate hypoxia-induced stress in hypertrophied cardiomyocytes[2]
  • as a standard in fluorescence analysis[3]
  • to test its efficiency in suppressing restrained oxidative stress and hepatic fibrogenesis in mouse models[4]

Biochem/physiol Actions

Pyrroloquinoline Quinone (PQQ) plays a vital role in gluconic acid production and biosynthesis by microbes. It acts as an effective microbial growth stimulant and biological control determinant for plant pathogens. PQQ also acts as an anti-melanogenic agent and is used to treat disorders related to hyper pigmentation. It exhibits diverse role in metabolism and cell signaling pathways.[5] PQQ is used as a potential therapeutic to treat liver fibrosis.[4]
PQQ is present in nanomolar quantities in most foods and in most animal tissuse. It promotes growth, mitochondrial function, and development in vivo and stimulates cell proliferation and viability in culture. It is a potent antioxidant that scavenges superoxide and peroxinitrite. It is neuroprotectant against 6-hydroxydopamine-induced and hypoxia/ischemia-induced neurotoxicity. PQQ conjugates to α-synuclein in vitro, inhibiting the formation of amyloid fibrils.

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)


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Visite la Librería de documentos

Jiro Omata et al.
JPEN. Journal of parenteral and enteral nutrition, 35(5), 616-624 (2011-04-22)
Experimental intravenous (IV) parenteral nutrition (PN) diminishes gut-associated lymphoid tissue (GALT) cell number and function. PN solution cannot maintain GALT at the same level as a normal diet, even when delivered intragastrically (IG). Previous studies demonstrated pyrroloquinoline quinone (PQQ)-deficient mice
H S Misra et al.
Journal of biosciences, 37(2), 313-325 (2012-05-15)
Pyrroloquinoline-quinine (PQQ) was initially characterized as a redox cofactor for membrane-bound dehydrogenases in the bacterial system. Subsequently, PQQ was shown to be an antioxidant protecting the living cells from oxidative damage in vivo and the biomolecules from artificially produced reaction
J A Duine
European journal of biochemistry, 200(2), 271-284 (1991-09-01)
The presently best known and largest group of quinoproteins consists of enzymes using the cofactor 2,7,9-tricarboxy-1H-pyrrolo[2,3-f]quinoline- 4,5-dione (PQQ), a compound having a pyrrole ring fused to a quinoline ring with an o-quinone group in it. Representatives of this group are
Pyrroloquinoline quinone (PQQ) from methanol dehydrogenase and tryptophan tryptophylquinone (TTQ) from methylamine dehydrogenase.
V L Davidson
Advances in protein chemistry, 58, 95-140 (2001-10-23)
Pyrroloquinoline quinone: a novel cofactor.
J A Duine et al.
Vitamins and hormones, 45, 223-262 (1989-01-01)

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