Microarray studies of genomic oxidative stress and cell cycle responses in obstructive sleep apnea.

Microarray studies of genomic oxidative stress and cell cycle responses in obstructive sleep apnea. Research Abstract Details 

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Microarray studies of genomic oxidative stress and cell cycle responses in obstructive sleep apnea. Abstract Text:

Michal S Hoffmann,Prachi Singh,Robert Wolk,Abel Romero-Corral,Sreekumar Raghavakaimal,Virend K Somers,

Obstructive sleep apnea (OSA), the commonest form of sleep-disordered breathing, is characterized by recurrent episodes of intermittent hypoxia and sleep fragmentation. This study evaluated microarray measures of gene transcript levels in OSA subjects compared to age and BMI matched healthy controls. Measurements were obtained before and after: (a) a night of normal sleep in controls; and (b) a night of untreated apnea in OSA patients. All subjects underwent full polysomnography. mRNA from the whole blood samples was analyzed by HG-U133A and B Affymetrix GeneChip arrays using Spotfire 7.2 data analysis platform. After sleep in OSA patients, changes were noted in several genes involved in modulation of reactive oxygen species (ROS), including heme oxygenase 1, superoxide dismutase 1 and 2, and catalase. Changes were also observed in genes involved in cell growth, proliferation, and the cell cycle such as cell division cycle 25B, signaling lymphocyte activating molecule (SLAM), calgizzarin S100A11, B-cell translocation gene, Src-like adapter protein (SLAP), and eukaryotic translation initiation factor 4E binding protein 2. These overnight changes in OSA patients are suggestive of activation of several mechanisms to modulate, and adapt to, increased ROS developing in response to the frequent episodes of intermittent hypoxia.

Microarray studies of genomic oxidative stress and cell cycle responses in obstructive sleep apnea. Publishing Authors By Initials

MS Hoffmann,P Singh,R Wolk,A Romero-Corral,S Raghavakaimal,VK Somers,

For similar respiratory tract diseases: respiration disorders: apnea: sleep apnea syndromes: sleep apnea, obstructive research abstracts see: respiratory tract diseases: respiration disorders: apnea: sleep apnea syndromes: sleep apnea, obstructive research

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Microarray studies of genomic oxidative stress and cell cycle responses in obstructive sleep apnea. Journal Published:

PUBLICATION TYPE: Research Support, Non-U.S. Gov

Journal: Antioxidants & redox signaling

VOLUME: 9

Page Numbers: 661-9

Journal Abbreviation: Antioxid. Redox Signal.

ISSN: 1523-0864

DAY: 3

MONTH: Jun

YEAR: 2007

Microarray studies of genomic oxidative stress and cell cycle responses in obstructive sleep apnea. Information

Number of References:

LANGUAGE: eng

NlmUniqueID: 100888899

Microarray studies of genomic oxidative stress and cell cycle responses in obstructive sleep apnea. Keywords Mesh Terms:

KEYWORDS: Sleep Apnea, Obstructive

MESH TERMS: pathology

Chemical & Substance for Abstract: Microarray studies of genomic oxidative stress and cell cycle responses in obstructive sleep apnea. Information

Substance Name: Reactive Oxygen Species

Registry Number: 0

Grant and Affiliation Information for Microarray studies of genomic oxidative stress and cell cycle responses in obstructive sleep apnea.

AFFILIATION: Division of Cardiovascular Diseases, Department of Internal Medicine, Mayo Clinic College of Medicine, Rochester, Minnesota 55905, USA.

Country: United States

AGENCY: United States NINDS

GRANT: R01NS42646-04

ACRONYM: NS

MEDLINETA: Antioxid Redox Signal

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