N(6)-Carboxymethyllysine

N(6)-Carboxymethyllysine
Names
	IUPAC name N6-(Carboxymethyl)-L-lysine
	Systematic IUPAC name (2S)-2-Amino-6-[(carboxymethyl)amino]hexanoic acid
Identifiers
CAS Number	5746-04-3 S ;
3D model (JSmol)	Interactive image;
Beilstein Reference	4989963 S
ChEBI	CHEBI:53014 ;
ChemSpider	11217184 ; 110350 S ; 21467765 R ;
MeSH	N(6)-carboxymethyllysine
PubChem CID	15691192; 26175690 R; 123800 S;
UNII	70YDX3Z2O7 ;
CompTox Dashboard (EPA)	DTXSID80904133 ;
	InChI InChI=1S/C8H16N2O4/c9-6(8(13)14)3-1-2-4-10-5-7(11)12/h6,10H,1-5,9H2,(H,11,12)(H,13,14) Key: NUXSIDPKKIEIMI-UHFFFAOYSA-N ;
	SMILES NC(CCCCNCC(=O)O)C(=O)O;
Properties
Chemical formula	C8H16N2O4
Molar mass	204.226 g·mol−1
Related compounds
Related alkanoic acids	gamma-Glutamylcysteine
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) Infobox references

N(6)-Carboxymethyllysine (CML), also known as N^ε-(carboxymethyl)lysine, is an advanced glycation endproduct (AGE). CML has been the most used marker for AGEs in food analysis.[1]

Recently, it has been demonstrated that gut microbiota mediates an aging-associated decline in gut barrier function, allowing AGEs to leak into the bloodstream from the gut and impairing microglial function in the brain. It is suggested that the amount of CML in human blood samples may correlated with age.[2]

References

Semba RD, Nicklett EJ, Ferrucci L (2010). "Does accumulation of advanced glycation end products contribute to the aging phenotype?". The Journals of Gerontology. 65A (9): 963–975. doi:10.1093/gerona/glq074. PMC 2920582. PMID 20478906.
O. Mossad, B. Batut, B. Yilmaz, N. Dokalis, C. Mezö, E. Nent, L. S. Nabavi, M. Mayer, F. J. M. Maron, J. M. Buescher, M. G. de Agüero, A. Szalay, T. Lämmermann, A. J. Macpherson, S. C. Ganal-Vonarburg, R. Backofen, D. Erny, M. Prinz, T. Blank (2022). "Gut microbiota drives age-related oxidative stress and mitochondrial damage in microglia via the metabolite N6-carboxymethyllysine". Nat. Neurosci. 25 (3): 295–305. doi:10.1038/s41593-022-01027-3. PMID 35241804. S2CID 247228807.{{cite journal}}: CS1 maint: multiple names: authors list (link)

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[1] Semba RD, Nicklett EJ, Ferrucci L (2010). "Does accumulation of advanced glycation end products contribute to the aging phenotype?". The Journals of Gerontology. 65A (9): 963–975. doi:10.1093/gerona/glq074. PMC 2920582. PMID 20478906.

[2] O. Mossad, B. Batut, B. Yilmaz, N. Dokalis, C. Mezö, E. Nent, L. S. Nabavi, M. Mayer, F. J. M. Maron, J. M. Buescher, M. G. de Agüero, A. Szalay, T. Lämmermann, A. J. Macpherson, S. C. Ganal-Vonarburg, R. Backofen, D. Erny, M. Prinz, T. Blank (2022). "Gut microbiota drives age-related oxidative stress and mitochondrial damage in microglia via the metabolite N6-carboxymethyllysine". Nat. Neurosci. 25 (3): 295–305. doi:10.1038/s41593-022-01027-3. PMID 35241804. S2CID 247228807.{{cite journal}}: CS1 maint: multiple names: authors list (link)