21 research outputs found

    Characterizatio o a peptide adduct fouct by N

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    AminoRIRIoIRIooI8R--I88RI888I b]pyridine (PhIP) is a membero a classo cossI0;q knos as theheteroNIH38 amines (HCAs) that arefo8RA in meat duringcoingIM It is amulti-o3RM carcino3R inro0AR-- fo0A adducts and with DNA and proI;33 Altho33 pro33 adducts are no tho8qq to beinvoq3M in cancerdevelo0R;3I they may be useful as internaldornalI;R o PhIPexpoAM8 andbioM;N8IH0qRM TooM; thegoIM o characterizing the adductsfouct in humans and thedevelo0IH0 o an assayfo quantitatio o adduct levels, we have characterized a peptide adduct fouct by the putative genoiveI metaboI33; N - aceto0IH0N--0 AmoN8 peptide with the internal sequenceLeu--Gln--Lys--Cys--ProIo-- which isho830MIH0 to apoqMNRIH target sequencefo HCAs in human serum albumin, was reacted with N-acetoH03A0N and an adduct was identified and further characterized by LC--ESI-MS/MS
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