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###tongxingbanguangansuandegaishuyujiankangyingxiangtongxingbanguangansuan（Homocysteine,Hcy）shiyizhonghanliuanjisuan，zairentineishidanansuan（Methionine）daixieguochengzhongdeyizhongzhongjianchanwu。zhengchangqingkuangxia，tongxingbanguangansuanzaitineihuibeijinyibuzhuanhuaweiqitawuzhi，rubanguangansuan（Cysteine）huozhetongguojiajihuafanyingzhuanhuaweidanansuan。erdangtongxingbanguangansuanzaitineideshuipingyichangshenggaoshi，jiukenengyuduozhongjiankangwentixiangguanlian。####tongxingbanguangansuanshuipingdejianceyuyingxiangjingdiandeyanjiubiaoming，gaoshuipingdetongxingbanguangansuanyuxinxueguanjibingdefengxianjuyouyidingdexiangguanxing。duoxiangliuxingbingxueyanjiufaxian，xuejiangtongxingbanguangansuanshuipingshenggaohuizengjiadongmaizhouyangyinghua、xinjiinfarctionjizhongfengdengxinxueguanjibingdefashenglv。zheshiyinweitongxingbanguangansuanhuiyinqineipigongnengzhangai，cujinxueguanyanzhengfanyingjixueshuanxingcheng，congerjiazhongxinxueguanbingbian。chulexinxueguanjibingwai，tongxingbanguangansuandeshenggaohaiyushenjingxitongxiangguanjibingchanshengguanlian。yanjiubiaoming，xuejiangtongxingbanguangansuanshuipingguogaoyueercihaimobingheqitarenzhigongnengzhangaizhijiancunzaiyidingdexiangguanxing。zhezhongyingxiangkenengyutongxingbanguangansuanduishenjingyuandeduxingzuoyongyijiduishenjingchuandaowuzhihechengdeganraoyouguan。####yingxiangtongxingbanguangansuanshuipingdeyinsuduogeyinsuhuiyingxiangtongxingban#(#)#(#)#(#)同(tong)型(xing)半(ban)胱(guang)氨(an)酸(suan)的(de)概(gai)述(shu)与(yu)健(jian)康(kang)影(ying)响(xiang)同(tong)型(xing)半(ban)胱(guang)氨(an)酸(suan)（(（)H(H)o(o)m(m)o(o)c(c)y(y)s(s)t(t)e(e)i(i)n(n)e(e),(,)H(H)c(c)y(y)）(）)是(shi)一(yi)种(zhong)含(han)硫(liu)氨(an)基(ji)酸(suan)，(，)在(zai)人(ren)体(ti)内(nei)是(shi)蛋(dan)氨(an)酸(suan)（(（)M(M)e(e)t(t)h(h)i(i)o(o)n(n)i(i)n(n)e(e)）(）)代(dai)谢(xie)过(guo)程(cheng)中(zhong)的(de)一(yi)种(zhong)中(zhong)间(jian)产(chan)物(wu)。(。)正(zheng)常(chang)情(qing)况(kuang)下(xia)，(，)同(tong)型(xing)半(ban)胱(guang)氨(an)酸(suan)在(zai)体(ti)内(nei)会(hui)被(bei)进(jin)一(yi)步(bu)转(zhuan)化(hua)为(wei)其(qi)他(ta)物(wu)质(zhi)，(，)如(ru)半(ban)胱(guang)氨(an)酸(suan)（(（)C(C)y(y)s(s)t(t)e(e)i(i)n(n)e(e)）(）)或(huo)者(zhe)通(tong)过(guo)甲(jia)基(ji)化(hua)反(fan)应(ying)转(zhuan)化(hua)为(wei)蛋(dan)氨(an)酸(suan)。(。)而(er)当(dang)同(tong)型(xing)半(ban)胱(guang)氨(an)酸(suan)在(zai)体(ti)内(nei)的(de)水(shui)平(ping)异(yi)常(chang)升(sheng)高(gao)时(shi)，(，)就(jiu)可(ke)能(neng)与(yu)多(duo)种(zhong)健(jian)康(kang)问(wen)题(ti)相(xiang)关(guan)联(lian)。(。)#(#)#(#)#(#)#(#)同(tong)型(xing)半(ban)胱(guang)氨(an)酸(suan)水(shui)平(ping)的(de)检(jian)测(ce)与(yu)影(ying)响(xiang)经(jing)典(dian)的(de)研(yan)究(jiu)表(biao)明(ming)，(，)高(gao)水(shui)平(ping)的(de)同(tong)型(xing)半(ban)胱(guang)氨(an)酸(suan)与(yu)心(xin)血(xue)管(guan)疾(ji)病(bing)的(de)风(feng)险(xian)具(ju)有(you)一(yi)定(ding)的(de)相(xiang)关(guan)性(xing)。(。)多(duo)项(xiang)流(liu)行(xing)病(bing)学(xue)研(yan)究(jiu)发(fa)现(xian)，(，)血(xue)浆(jiang)同(tong)型(xing)半(ban)胱(guang)氨(an)酸(suan)水(shui)平(ping)升(sheng)高(gao)会(hui)增(zeng)加(jia)动(dong)脉(mai)粥(zhou)样(yang)硬(ying)化(hua)、(、)心(xin)肌(ji)i(i)n(n)f(f)a(a)r(r)c(c)t(t)i(i)o(o)n(n)及(ji)中(zhong)风(feng)等(deng)心(xin)血(xue)管(guan)疾(ji)病(bing)的(de)发(fa)生(sheng)率(lv)。(。)这(zhe)是(shi)因(yin)为(wei)同(tong)型(xing)半(ban)胱(guang)氨(an)酸(suan)会(hui)引(yin)起(qi)内(nei)皮(pi)功(gong)能(neng)障(zhang)碍(ai)，(，)促(cu)进(jin)血(xue)管(guan)炎(yan)症(zheng)反(fan)应(ying)及(ji)血(xue)栓(shuan)形(xing)成(cheng)，(，)从(cong)而(er)加(jia)重(zhong)心(xin)血(xue)管(guan)病(bing)变(bian)。(。)除(chu)了(le)心(xin)血(xue)管(guan)疾(ji)病(bing)外(wai)，(，)同(tong)型(xing)半(ban)胱(guang)氨(an)酸(suan)的(de)升(sheng)高(gao)还(hai)与(yu)神(shen)经(jing)系(xi)统(tong)相(xiang)关(guan)疾(ji)病(bing)产(chan)生(sheng)关(guan)联(lian)。(。)研(yan)究(jiu)表(biao)明(ming)，(，)血(xue)浆(jiang)同(tong)型(xing)半(ban)胱(guang)氨(an)酸(suan)水(shui)平(ping)过(guo)高(gao)与(yu)阿(e)尔(er)茨(ci)海(hai)默(mo)病(bing)和(he)其(qi)他(ta)认(ren)知(zhi)功(gong)能(neng)障(zhang)碍(ai)之(zhi)间(jian)存(cun)在(zai)一(yi)定(ding)的(de)相(xiang)关(guan)性(xing)。(。)这(zhe)种(zhong)影(ying)响(xiang)可(ke)能(neng)与(yu)同(tong)型(xing)半(ban)胱(guang)氨(an)酸(suan)对(dui)神(shen)经(jing)元(yuan)的(de)毒(du)性(xing)作(zuo)用(yong)以(yi)及(ji)对(dui)神(shen)经(jing)传(chuan)导(dao)物(wu)质(zhi)合(he)成(cheng)的(de)干(gan)扰(rao)有(you)关(guan)。(。)#(#)#(#)#(#)#(#)影(ying)响(xiang)同(tong)型(xing)半(ban)胱(guang)氨(an)酸(suan)水(shui)平(ping)的(de)因(yin)素(su)多(duo)个(ge)因(yin)素(su)会(hui)影(ying)响(xiang)同(tong)型(xing)半(ban)