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Lipoproteyini visokoyi gustini LPVG dzherelo angl High density lipoproteins HDL klas lipoproteyiniv plazmi krovi yaki mayut veliku gustinu mg dl abo mmol l LPVG mayut antiaterogenni vlastivosti Oskilki visoka koncentraciya LPVG suttyevo znizhuye rizik aterosklerozu i sercevo sudinnih zahvoryuvan holesterin LPVG inodi nazivayut horoshim holesterinom alfa holesterinom na vidminu vid poganogo holesterinu LPNG yakij navpaki pidvishuye rizik rozvitku aterosklerozu LPVG mayut maksimalnu sered lipoproteyiniv gustinu cherez visokij riven bilka vidnosno lipidiv Chastinki LPVG najdribnishi sered lipoproteyiniv 8 11 nm u diametri Struktura ta funkciyiChastinki LPVG sintezuyutsya u pechinci z apolipoproteyinov A1 ta A2 pov yazanih z fosfolipidami Taki chastinki takozh nazivayut diskami cherez yih diskopodibnu formu U krovi ci chastinki vzayemodiyut z inshimi lipoproteyinami i z klitinami shvidko zahoplyuyuchi holesterin i nabuvayuchi zrilu sferichnu formu Holesterin lokalizuyetsya na lipoproteyini na jogo poverhni razom iz fosfolipidami Odnak ferment lecitinholesterinaciltransferaza LHAT KF 2 3 1 43 angl Lecithin cholesterol acyltransferase LCAT eterifikuye holesterin do efiru holesterinu yakij cherez visoku gidrofobnist pronikaye u yadro chastinki zvilnyayuchi misce na poverhni Rekomendovani normi koncentraciyiNizhche navedeni rekomendaciyi shodo koncentraciyi holesterinu LPVG vidpovidno do prijnyatih Amerikanskoyu Sercevoyu Asociaciyeyu angl American Heart Association Koncentraciya mg dl Koncentraciya mmol l Primitki lt 40 lt 1 03 Nizkij holesterin LPVG pidvishenij rizik serdcevo sudinnih zahvoryuvan lt 50 mg dl dlya zhinok 40 59 1 03 1 52 Serednij riven LPVG gt 60 gt 1 55 Visokij riven LPVG protektivnij proti rozvitku serdcevo sudinnih zahvoryuvan Bilsh detalnij analiz LPVG sho demonstruye rozpodil pidklasiv LPVG ye bilsh tochnim diagnostichnim parametrom Bilshi pidklasi LPVG mayut vishu protektivnu zdatnist Navedeni rekomendovani koncentraciyi otrimani na pidstavi populyacijnogo pidhodu na obmezhenij vibirci osib yaki mayut shilnist do aterosklerozu i sercevo sudinnih zahvoryuvan Slid zaznachiti sho u deyakih individuumiv mozhut sposterigatisya nizki koncentraciyi LPVG sho ne korelyuyut z bud yakim rizikom dzherelo U berezni 2016 roku spivrobitniki Medichnoyi shkoli Perelmana Pensilvanskogo universitetu povidomili pro viyavlennya znachimogo pidvishennya riziku aterosklerozu u paciyentiv z duzhe visokim rivnem HS LPVG Spochatku u mishej a zgodom u lyudej z defektom genu SCARB1 yakij koduye receptor B1 Scavenger SR B1 osnovnij receptor LPVG na klitinnih membranah bulo viyavleno shvidke progresuvannya aterosklerozu ta asocijovanih z nim uskladnen pri duzhe visokih rivnyah HS LPVG blizko 1500 mg l pri rekomendovanih 500 600 mg l zagalnoprijnyatoyi verhnoyi mezhi normi stanom na serpen 2017 roku nemaye Spivvidnoshennya riziku sklalo 1 79 Pri mutaciyi gena SCARB1 gepatociti ne u zmozi zabezpechuvati na nalezhnomu rivni eliminaciyu z plazmi krovi chastochok LPVG voni nakopichuyutsya v krovi priskoryuyuchi procesi aterosklerozu Odin z doslidnikiv Daniel J Rader MD visloviv pripushennya sho terapevtichna metodika osnovana na zbilshenni ekspresiyi abo aktivnosti genu SCARB1 mozhe stati novim sposobom znizhennya riziku sercevo sudinnih zahvoryuvan navit yaksho ce zmenshit riven LPVG v krovi Zasobi pidvishennya rivnya LPVGYak bulo zaznacheno vishe visokij i duzhe visokij riven LPVG ne svidchit pro nizkij riven riziku aterosklerotichnogo urazhennya arterij ta pro znizhennya riziku sercevo sudinnih podij a koeficiyent aterogennosti ne ye pryamo proporcijnim stupenyu riziku Tomu pidvishennya koncentraciyi LPVG docilne lishe v osib z pochatkovo nizkim yih rivnem Pidvishennyu rivnya LPVG spriyaye prijom polikozanolu U paciyentiv sho prijmali preparati z polikozanolom protyagom 2 misyaciv sposterigalosya zbilshennya koncentraciyi LPVG do 10 25 Takozh pidvishiti koncentraciyu LPVG vdavalosya za dopomogoyu niacinu nikotinovoyi kisloti i fibrativ Diyeta ta fizichni vpravi Pevni zmini u racioni ta fizichni vpravi mozhut pozitivno vlinuti na riven LPVG Znizhennya spozhivannya prostih vuglevodiv Aerobni fizichni navantazhennya Znizhennya masi tila Dobavki magniyu pidvishuyut riven HDL C Dodavannya harchovih volokon do racionu Spozhivannya omega 3 zhirnih kislot sho mistyatsya zokrema u rib yachomu zhiri abo llyanij oliyi Spozhivannya fistashok gorihiv Zbilshennya spozhivannya cis nenasichenih zhiriv Spozhivannya trigliceridiv iz serednoyu dovzhinoyu lancyuga MCT takih yak kapronova kislota kaprilova kislota kaprinova kislota i laurinova kislota Vidmova vid transzhirnih kislot u racioniDiv takozhAteroskleroz Lipoproteyini Lipoproteyini nizkoyi gustini HolesterinPosilannyaRekomendacii EOK EOA po lecheniyu dislipidemij 16 travnya 2017 u Wayback Machine ros PrimitkiPenn Study Shows a Form of Genetically Elevated Good Cholesterol May Actually be Bad 29 serpnya 2017 u Wayback Machine angl I Gouni Berthold H K Berthold Rotenburg 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