Öåëü ðàáîòû -èçó÷åíèå âëèÿíèÿ îêñèäà àçîòà è àëüôà-òîêîôåðîëà íà ìîðôîëîãè-÷åñêèå èçìåíåíèÿ â ïëàöåíòå áåëûõ êðûñ ïðè áåðåìåííîñòè, îñëîaeíåííîé íàðóøåíè-ÿìè ìàòî÷íîãî è ïëàöåíòàðíîãî êðîâîîáðàùåíèÿ. Íàðóøåíèå ìàòî÷íî-ïëàöåíòàðíîãî êðîâîîáðàùåíèÿ îñóùåñòâëÿëè ïî ìåòîäèêå [2]. Ïðè íàðóøåíèè ìàòî÷íî-ïëàöåíòàð-íîãî êðîâîñíàáaeåíèÿ ó áåëûõ êðûñ èñïîëüçîâàíèå ìåòèëîâîãî ýôèðà L-àðãèíèíà êîì-ïåíñèðóåò íàðóøåíèÿ ñî ñòîðîíû ôåòîïëàöåíòàðíîãî êðîâîòîêà. Óâåëè÷åíèå îêñèäà àçîòà è òîðìîaeåíèå ñâîáîäíîðàäèêàëüíûõ ïðîöåññîâ â ïëàöåíòå ýêñïåðèìåíòàëüíûõ aeèâîòíûõ â óñëîâèÿõ èñêóññòâåííî ñîçäàííîé ïàòîëîãèè áåðåìåííîñòè îòíîñÿòñÿ íå ê ñàíîãåíåòè÷åñêèì, à ê ïàòîãåíåòè÷åñêèì ôàêòîðàì.Êëþ÷åâûå ñëîâà: ôåòîïëàöåíòàðíàÿ íåäîñòàòî÷íîñòü; îêñèä àçîòà; àëüôà-òîêîôåðîë; ïëàöåíòà. ÂÂÅÄÅÍÈÅÏëàöåíòà ïðîäóöèðóåò áîëüøîå êîëè÷åñòâî áèîëî-ãè÷åñêè àêòèâíûõ âåùåñòâ, ðåãóëèðóþùèõ ãåìîöèðêó-ëÿöèþ â ôåòîïëàöåíòàðíîé îáëàñòè, äèôôåðåíöèðîâ-êó è ðàçâèòèå òðîôîáëàñòà, ïðîöåññû àïîïòîçà â êëåò-êàõ, à òàêaeå ìîäóëèðóþùèõ ñåêðåöèþ ãîðìîíîâ [9]. Îäíèì èç òàêèõ ñîåäèíåíèé ÿâëÿåòñÿ îêñèä àçîòà [16]. Àêòèâíîñòü NO-çàâèñèìûõ ïðîöåññîâ ÿâëÿåòñÿ âàae-íûì ïàòîãåíåòè÷åñêèì è ñàíîãåíåòè÷åñêèì ôàêòîðîì ïðè ðàçâèòèè ôåòîïëàöåíòàðíîé íåäîñòàòî÷íîñòè [3]. Âåùåñòâà, ÿâëÿþùèåñÿ äîíàòîðàìè èëè ïðåäøåñòâåí-íèêàìè îêñèäà àçîòà, ïî äàííûì íåêîòîðûõ èññëåäîâà-íèé [9], îêàçûâàþò ïîëîaeèòåëüíîå âëèÿíèå íà òå÷åíèå áåðåìåííîñòè è ðàçâèòèå ïëîäà. Ïîçèòèâíîå âëèÿíèå äîíàòîðîâ îêñèäà àçîòà íà ñèñòåìó "ìàòü -ïëàöåíòà -ïëîä" ÿâèëîñü ïîâîäîì äëÿ âêëþ÷åíèÿ ýòèõ âåùåñòâ â òåðàïèþ ïëàöåíòàðíîé íåäîñòàòî÷íîñòè [1]. Îäíàêî ïîëó÷åííûå ðåçóëüòàòû íîñÿò ïðîòèâîðå÷èâûé õàðàê-òåð è òðåáóþò äàëüíåéøåãî èçó÷åíèÿ ðîëè ïðåäøåñò-âåííèêîâ îêñèäà àçîòà â ôîðìèðîâàíèè êîìïåíñàòîð-íûõ ïðîöåññîâ â ïëàöåíòå ïðè íàðóøåíèÿõ ìàòî÷íîãî è ïëàöåíòàðíîãî êðîâîîáðàùåíèÿ.Èçâåñòíî, ÷òî ôåòîïëàöåíòàðíàÿ íåäîñòàòî÷íîñòü ñîïðîâîaeäàåòñÿ èçìåíåíèåì áàëàíñà ñâîáîäíûõ ðàäè-êàëîâ è àíòèîêñèäàíòîâ. Ïî äàííûì ëèòåðàòóðû [11], ñâîåâðåìåííàÿ êîððåêöèÿ äèñáàëàíñà îêàçûâàåò ïîëî-aeèòåëüíîå âëèÿíèå íà òå÷åíèå áåðåìåííîñòè, ðàçâè-òèå ïëîäà è íîâîðîaeäåííîãî.Öåëü ðàáîòû -èçó÷åíèå âëèÿíèÿ îêñèäà àçîòà è àëüôà-òîêîôåðîëà íà ìîðôîëîãè÷åñêèå èçìåíåíèÿ â ïëàöåíòå áåëûõ êðûñ ïðè áåðåìåííîñòè, îñëîaeíåííîé íàðóøåíèåì ìàòî÷íî-ïëàöåíòàðíîãî êðîâîîáðàùåíèÿ. ÌÅÒÎÄÛ ÈÑÑËÅÄÎÂÀÍÈßÈññëåäîâàíèå ïðîâîäèëè íà 60 ïëàöåíòàõ áåëûõ áåñïîðîäíûõ êðûñ-ñàìîê. Âûáîð êðûñ êàê îáúåêòà èñ-ñëåäîâàíèé îáóñëîâëåí òåì, ÷òî, ïîäîáíî ÷åëîâåêó, aeèâîòíûå èìåþò ãåìîõîðèàëüíûé òèï ïëàöåíòû, ÷òî èìååò îïðåäåëåííîå çíà÷åíèå äëÿ èíòåðïðåòàöèè ïî-ëó÷åííûõ äàííûõ è èõ ýêñòðàïîëÿöèè íà ÷åëîâåêà. Ïåðâûé äåíü áåðåìåííîñòè ðåãèñòðèðîâàëè ïî ïîÿâ-ëåíèþ ñïåðìàòîçîèäîâ âî âëàãàëèùíûõ ìàçêàõ. Ôåòî-ïëàöåíòàðíóþ íåäîñòàòî÷íîñòü ìîäåëèðîâàëè íàðó-øåíèåì ìàòî÷íî-ïëàöåíòàðíîãî êðîâîîáðàùåíèÿ [2] ïî ìåòîäèêå [2].Áåðåìåííûå êðûñû áûëè ðàçäåëåíû íà 6 ãðóïï ïî 10 îñîáåé â êàaeäîé: 1 -êðûñû ñ ôèçèîëîãè÷åñêèì òå÷åíèåì áåðåìåííîñòè (êîíòðîëü); 2 -aeèâîòíûå ñ ýêñïåðèìåíòàëüíûì íàðóøåíèåì ìàòî÷íî-ïëàöåíòàð-íîãî êðîâîîáðàùåíèÿ (ÍÌÏÊ); 3 -ëîaeíî îïåðèðî-âàííûå áåðåìåííûå êðûñû (ãðóïïà ñðàâíåíèÿ)....
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