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Articles 1 - 2 of 2
Full-Text Articles in Medicine and Health Sciences
Correlation Of Maximal Inspiratory Pressure To Transdiaphragmatic Twitch Pressure In Intensive Care Unit Patients, Gerald S. Supinski, Philip M. Westgate, Leigh Ann Callahan
Correlation Of Maximal Inspiratory Pressure To Transdiaphragmatic Twitch Pressure In Intensive Care Unit Patients, Gerald S. Supinski, Philip M. Westgate, Leigh Ann Callahan
Internal Medicine Faculty Publications
Background: Respiratory muscle weakness contributes to respiratory failure in ICU patients. Unfortunately, assessment of weakness is difficult since the most objective test, transdiaphragmatic pressure in response to phrenic nerve stimulation (PdiTw), is difficult to perform. While most clinicians utilize maximum inspiratory pressure (Pimax) to assess strength, the relationship of this index to PdiTw has not been evaluated in a large ICU population. The purpose of the present study was to assess both PdiTw and Pimax in ICU patients to determine how these indices correlate with each other, what factors influence these indices, and how well these indices predict outcomes.
Methods: …
Telomerase Inhibition By Everolimus Suppresses Smooth Muscle Cell Proliferation And Neointima Formation Through Epigenetic Gene Silencing, Jun Aono, Ernesto Ruiz-Rodriguez, Hua Qing, Hannes M. Findeisen, Karrie L. Jones, Elizabeth B. Heywood, Dennis Bruemmer
Telomerase Inhibition By Everolimus Suppresses Smooth Muscle Cell Proliferation And Neointima Formation Through Epigenetic Gene Silencing, Jun Aono, Ernesto Ruiz-Rodriguez, Hua Qing, Hannes M. Findeisen, Karrie L. Jones, Elizabeth B. Heywood, Dennis Bruemmer
Internal Medicine Faculty Publications
Proliferation of smooth muscle cells (SMCs) during neointima formation is prevented by drug-eluting stents. The replicative capacity of mammalian cells is enhanced by telomerase expression; however, the contribution of telomerase to the proliferative response underlying neointima formation and its potential role as a pharmacological target are unknown. The present study investigated the mechanisms underlying the mitogenic function of telomerase, and tested the hypothesis that everolimus, which is commonly used on drug-eluting stents, suppresses SMC proliferation by targeting telomerase. Inhibition of neointima formation by everolimus was lost in mice overexpressing telomerase reverse transcriptase (TERT), indicating that repression of telomerase confers the …