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[Reactive nitrogen and oxygen species].
Pol Merkur Lekarski. 2009 Oct; 27(160):338-40.PM

Abstract

Reactive nitrogen species (RNS) and reactive oxygen species (ROS) are mainly free radicals which including non-paired electrons. They are constantly formed as side products of biological reactions. They are also generated directly and indirectly by the cells which were exposed to environmental stress, i.e., UV radiation, ionizing radiation, xenobioticts, light-absorbing compounds, e.g., porphyrines. These factors, which are a source of free radicals, initiate a significant signaling cascade inducing many changes in cells, such as cancerogenic transformation or cell death. Cells protect themselves against oxidative stress by means of antioxidative enzymes and compounds which in their structure have redox sensitive spots.

Authors+Show Affiliations

Puzanowska-Tarasiewicz H
Wyzsza Szkola Kosmetologii i Ochrony Zdrowia w Białymstoku, Zakład Nauk Chemicznych.
Kuźmicka L
No affiliation info available
Tarasiewicz M
No affiliation info available

MeSH

AnimalsCell DeathCell Transformation, NeoplasticFree RadicalsHumansOxidation-ReductionOxidative StressReactive Nitrogen SpeciesReactive Oxygen Species

Pub Type(s)

English Abstract
Journal Article
Review

Language

pol

PubMed ID

19928666

Citation

Puzanowska-Tarasiewicz, Helena, et al. "[Reactive Nitrogen and Oxygen Species]." Polski Merkuriusz Lekarski : Organ Polskiego Towarzystwa Lekarskiego, vol. 27, no. 160, 2009, pp. 338-40.
Puzanowska-Tarasiewicz H, Kuźmicka L, Tarasiewicz M. [Reactive nitrogen and oxygen species]. Pol Merkur Lekarski. 2009;27(160):338-40.
Puzanowska-Tarasiewicz, H., Kuźmicka, L., & Tarasiewicz, M. (2009). [Reactive nitrogen and oxygen species]. Polski Merkuriusz Lekarski : Organ Polskiego Towarzystwa Lekarskiego, 27(160), 338-40.
Puzanowska-Tarasiewicz H, Kuźmicka L, Tarasiewicz M. [Reactive Nitrogen and Oxygen Species]. Pol Merkur Lekarski. 2009;27(160):338-40. PubMed PMID: 19928666.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - [Reactive nitrogen and oxygen species]. AU - Puzanowska-Tarasiewicz,Helena, AU - Kuźmicka,Ludmiła, AU - Tarasiewicz,Mirosław, PY - 2009/11/26/entrez PY - 2009/11/26/pubmed PY - 2010/2/5/medline SP - 338 EP - 40 JF - Polski merkuriusz lekarski : organ Polskiego Towarzystwa Lekarskiego JO - Pol Merkur Lekarski VL - 27 IS - 160 N2 - Reactive nitrogen species (RNS) and reactive oxygen species (ROS) are mainly free radicals which including non-paired electrons. They are constantly formed as side products of biological reactions. They are also generated directly and indirectly by the cells which were exposed to environmental stress, i.e., UV radiation, ionizing radiation, xenobioticts, light-absorbing compounds, e.g., porphyrines. These factors, which are a source of free radicals, initiate a significant signaling cascade inducing many changes in cells, such as cancerogenic transformation or cell death. Cells protect themselves against oxidative stress by means of antioxidative enzymes and compounds which in their structure have redox sensitive spots. SN - 1426-9686 UR - https://www.unboundmedicine.com/medline/citation/19928666/[Reactive_nitrogen_and_oxygen_species]_ DB - PRIME DP - Unbound Medicine ER -