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Sari Pediatri
Article . 2016 . Peer-reviewed
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Sari Pediatri
Article
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Sari Pediatri
Article . 2016
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Peran Nitrogen Oksida pada Infeksi

Authors: Eka Gunawijaya; Arhana BNP;

Peran Nitrogen Oksida pada Infeksi

Abstract

Nitrogen oksida (NO) merupakan molekul kimia reaktif, disintesis dari L-Arginin denganbantuan NO synthase (NOS) dan ko-faktor. Aktifitas biologis NO terbatas dekat tempatbiosintesisnya, karena waktu paruh yang singkat. Nitrogen oksida menyebabkan relaksasiotot polos, menghambat agregasi dan adhesi trombosit, serta menghambat proliferasisel. Otot polos yang dipengaruhi ialah otot polos vaskular, traktus respiratorius,gastrointestinal, dan uterus. Relaksasi otot polos vaskular terjadi setelah sintesis sel endotelvaskular, sedangkan yang non vaskular melalui perannya sebagai neurotransmiter nonadrenergik non kolinergik.Dalam proses imunologis, NO dihasilkan oleh sel yang terpapar infeksi. Meliputi selmakrofag, sel neutrofil, sel Kupffer, sel hepatosit, sel astrosit dan mikroglial, sel kondrosit,sel otot polos vaskular, dan sel otot jantung. Pada keadaan infeksi Nitrogen oksidadisintesis dalam jumlah besar. Nitrogen oksida yang dihasilkan bersifat sitotoksik terhadapsel target, mikroorganisme patogen, dan juga pada sel tubuh normal. Inhibitor enzimNOS dan guanilat siklase bisa mengatasi sepsis, tetapi harus diberikan dini sebelumterjadi syok septik berkepanjangan. Inhibitor tersebut meliputi: deksametason, L-NAME,metilin blue, yomogin, aminoguanidin, econazol, dan indometasin. Nitrogen oksida jugaberperan menimbulkan kerusakan jaringan dan organ akibat terapi reoksigenasi padasyok septik yang mengalami hipoksia.

Related Organizations
Keywords

Nitrogen oksida, neurotrasmitter, R, Medicine, Pediatrics, RJ1-570, nitrogen oxyde synthase

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    popularity
    This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
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    influence
    This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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    This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
3
Average
Average
Average
gold