{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,2]],"date-time":"2026-10-02T20:58:33Z","timestamp":1790974713143,"version":"4.1.0"},"reference-count":55,"publisher":"Ovid Technologies (Wolters Kluwer Health)","issue":"2","content-domain":{"domain":["ahajournals.org"],"crossmark-restriction":true},"short-container-title":["Circ Cardiovasc Genet"],"published-print":{"date-parts":[[2009,4]]},"abstract":"<jats:p>\n            <jats:bold>\n              <jats:italic>Background\u2014<\/jats:italic>\n            <\/jats:bold>\n            Homocysteine is a sulfur amino acid whose plasma concentration has been associated with the risk of cardiovascular diseases, neural tube defects, and loss of cognitive function in epidemiological studies. Although genetic variants of\n            <jats:italic>MTHFR<\/jats:italic>\n            and\n            <jats:italic>CBS<\/jats:italic>\n            are known to influence homocysteine concentration, common genetic determinants of homocysteine remain largely unknown.\n          <\/jats:p>\n          <jats:p>\n            <jats:bold>\n              <jats:italic>Methods and Results\u2014<\/jats:italic>\n            <\/jats:bold>\n            To address this issue comprehensively, we performed a genome-wide association analysis, testing 336 469 single-nucleotide polymorphisms in 13 974 healthy white women. Although we confirm association with\n            <jats:italic>MTHFR<\/jats:italic>\n            (1p36.22; rs1801133;\n            <jats:italic>P<\/jats:italic>\n            =8.1\ufffd10\n            <jats:sup>\u221235<\/jats:sup>\n            ) and\n            <jats:italic>CBS<\/jats:italic>\n            (21q22.3; rs6586282;\n            <jats:italic>P<\/jats:italic>\n            =3.2\ufffd10\n            <jats:sup>\u221210<\/jats:sup>\n            ), we found novel associations with\n            <jats:italic>CPS1<\/jats:italic>\n            (2q34; rs7422339;\n            <jats:italic>P<\/jats:italic>\n            =1.9\ufffd10\n            <jats:sup>\u221211<\/jats:sup>\n            ),\n            <jats:italic>MUT<\/jats:italic>\n            (6p12.3; rs4267943;\n            <jats:italic>P<\/jats:italic>\n            =2.0\ufffd10\n            <jats:sup>\u22129<\/jats:sup>\n            ),\n            <jats:italic>NOX4<\/jats:italic>\n            (11q14.3; rs11018628;\n            <jats:italic>P<\/jats:italic>\n            =9.6\ufffd10\n            <jats:sup>\u221212<\/jats:sup>\n            ), and\n            <jats:italic>DPEP1<\/jats:italic>\n            (16q24.3; rs1126464;\n            <jats:italic>P<\/jats:italic>\n            =1.2\ufffd10\n            <jats:sup>\u221212<\/jats:sup>\n            ). The associations at\n            <jats:italic>MTHFR<\/jats:italic>\n            ,\n            <jats:italic>DPEP1<\/jats:italic>\n            , and\n            <jats:italic>CBS<\/jats:italic>\n            were replicated in an independent sample from the PROCARDIS study, whereas the association at\n            <jats:italic>CPS1<\/jats:italic>\n            was only replicated among the women.\n          <\/jats:p>\n          <jats:p>\n            <jats:bold>\n              <jats:italic>Conclusions\u2014<\/jats:italic>\n            <\/jats:bold>\n            These associations offer new insight into the biochemical pathways involved in homocysteine metabolism and provide opportunities to better delineate the role of homocysteine in health and disease.\n          <\/jats:p>","DOI":"10.1161\/circgenetics.108.829804","type":"journal-article","created":{"date-parts":[[2009,4,14]],"date-time":"2009-04-14T21:32:50Z","timestamp":1239744770000},"page":"142-150","update-policy":"https:\/\/doi.org\/10.1161\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":96,"title":["Novel Associations of CPS1, MUT, NOX4, and DPEP1 With Plasma Homocysteine in a Healthy Population"],"prefix":"10.1161","volume":"2","author":[{"given":"Guillaume","family":"Pare\u0301","sequence":"first","affiliation":[{"name":"From the Center for Cardiovascular Disease Prevention (G.P., D.I.C., R.R.Y.Z., P.M.R.) and the Donald W. Reynolds Center for Cardiovascular Research (G.P., D.I.C., R.R.Y.Z., P.M.R.), Brigham and Women\u2019s Hospital, Harvard Medical School, Boston, Mass; Amgen, Inc (A.N.P., J.P.M.), Cambridge, Mass; Atherosclerosis Research Unit (A.M., A.H.), Department of Medicine Solna, Karolinska Institutet, Stockholm, Sweden; Leibniz-Institut fu\u0308r Arterioskleroseforschung an der Universita\u0308t Mu\u0308nster (U.S.),..."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Daniel I.","family":"Chasman","sequence":"additional","affiliation":[{"name":"From the Center for Cardiovascular Disease Prevention (G.P., D.I.C., R.R.Y.Z., P.M.R.) and the Donald W. Reynolds Center for Cardiovascular Research (G.P., D.I.C., R.R.Y.Z., P.M.R.), Brigham and Women\u2019s Hospital, Harvard Medical School, Boston, Mass; Amgen, Inc (A.N.P., J.P.M.), Cambridge, Mass; Atherosclerosis Research Unit (A.M., A.H.), Department of Medicine Solna, Karolinska Institutet, Stockholm, Sweden; Leibniz-Institut fu\u0308r Arterioskleroseforschung an der Universita\u0308t Mu\u0308nster (U.S.),..."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Alexander N.","family":"Parker","sequence":"additional","affiliation":[{"name":"From the Center for Cardiovascular Disease Prevention (G.P., D.I.C., R.R.Y.Z., P.M.R.) and the Donald W. Reynolds Center for Cardiovascular Research (G.P., D.I.C., R.R.Y.Z., P.M.R.), Brigham and Women\u2019s Hospital, Harvard Medical School, Boston, Mass; Amgen, Inc (A.N.P., J.P.M.), Cambridge, Mass; Atherosclerosis Research Unit (A.M., A.H.), Department of Medicine Solna, Karolinska Institutet, Stockholm, Sweden; Leibniz-Institut fu\u0308r Arterioskleroseforschung an der Universita\u0308t Mu\u0308nster (U.S.),..."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Robert R.Y.","family":"Zee","sequence":"additional","affiliation":[{"name":"From the Center for Cardiovascular Disease Prevention (G.P., D.I.C., R.R.Y.Z., P.M.R.) and the Donald W. Reynolds Center for Cardiovascular Research (G.P., D.I.C., R.R.Y.Z., P.M.R.), Brigham and Women\u2019s Hospital, Harvard Medical School, Boston, Mass; Amgen, Inc (A.N.P., J.P.M.), Cambridge, Mass; Atherosclerosis Research Unit (A.M., A.H.), Department of Medicine Solna, Karolinska Institutet, Stockholm, Sweden; Leibniz-Institut fu\u0308r Arterioskleroseforschung an der Universita\u0308t Mu\u0308nster (U.S.),..."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Anders","family":"Ma\u0308larstig","sequence":"additional","affiliation":[{"name":"From the Center for Cardiovascular Disease Prevention (G.P., D.I.C., R.R.Y.Z., P.M.R.) and the Donald W. Reynolds Center for Cardiovascular Research (G.P., D.I.C., R.R.Y.Z., P.M.R.), Brigham and Women\u2019s Hospital, Harvard Medical School, Boston, Mass; Amgen, Inc (A.N.P., J.P.M.), Cambridge, Mass; Atherosclerosis Research Unit (A.M., A.H.), Department of Medicine Solna, Karolinska Institutet, Stockholm, Sweden; Leibniz-Institut fu\u0308r Arterioskleroseforschung an der Universita\u0308t Mu\u0308nster (U.S.),..."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Udo","family":"Seedorf","sequence":"additional","affiliation":[{"name":"From the Center for Cardiovascular Disease Prevention (G.P., D.I.C., R.R.Y.Z., P.M.R.) and the Donald W. Reynolds Center for Cardiovascular Research (G.P., D.I.C., R.R.Y.Z., P.M.R.), Brigham and Women\u2019s Hospital, Harvard Medical School, Boston, Mass; Amgen, Inc (A.N.P., J.P.M.), Cambridge, Mass; Atherosclerosis Research Unit (A.M., A.H.), Department of Medicine Solna, Karolinska Institutet, Stockholm, Sweden; Leibniz-Institut fu\u0308r Arterioskleroseforschung an der Universita\u0308t Mu\u0308nster (U.S.),..."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Rory","family":"Collins","sequence":"additional","affiliation":[{"name":"From the Center for Cardiovascular Disease Prevention (G.P., D.I.C., R.R.Y.Z., P.M.R.) and the Donald W. Reynolds Center for Cardiovascular Research (G.P., D.I.C., R.R.Y.Z., P.M.R.), Brigham and Women\u2019s Hospital, Harvard Medical School, Boston, Mass; Amgen, Inc (A.N.P., J.P.M.), Cambridge, Mass; Atherosclerosis Research Unit (A.M., A.H.), Department of Medicine Solna, Karolinska Institutet, Stockholm, Sweden; Leibniz-Institut fu\u0308r Arterioskleroseforschung an der Universita\u0308t Mu\u0308nster (U.S.),..."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hugh","family":"Watkins","sequence":"additional","affiliation":[{"name":"From the Center for Cardiovascular Disease Prevention (G.P., D.I.C., R.R.Y.Z., P.M.R.) and the Donald W. Reynolds Center for Cardiovascular Research (G.P., D.I.C., R.R.Y.Z., P.M.R.), Brigham and Women\u2019s Hospital, Harvard Medical School, Boston, Mass; Amgen, Inc (A.N.P., J.P.M.), Cambridge, Mass; Atherosclerosis Research Unit (A.M., A.H.), Department of Medicine Solna, Karolinska Institutet, Stockholm, Sweden; Leibniz-Institut fu\u0308r Arterioskleroseforschung an der Universita\u0308t Mu\u0308nster (U.S.),..."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Anders","family":"Hamsten","sequence":"additional","affiliation":[{"name":"From the Center for Cardiovascular Disease Prevention (G.P., D.I.C., R.R.Y.Z., P.M.R.) and the Donald W. 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