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Full-Text Articles in Other Medicine and Health Sciences

Longitudinal Investigation Of Natural Killer Cells And Cytokines In Chronic Fatigue Syndrome/Myalgic Encephalomyelitis, Ekua Brenu, Mieke Van Driel, Donald Staines, Kevin Ashton, Sharni Hardcastle, James Keane, Lotti Tajouri, Daniel Peterson, Sandra Ramos, Sonya Marshall-Gradisnik Oct 2014

Longitudinal Investigation Of Natural Killer Cells And Cytokines In Chronic Fatigue Syndrome/Myalgic Encephalomyelitis, Ekua Brenu, Mieke Van Driel, Donald Staines, Kevin Ashton, Sharni Hardcastle, James Keane, Lotti Tajouri, Daniel Peterson, Sandra Ramos, Sonya Marshall-Gradisnik

Lotti Tajouri

Background: Chronic Fatigue Syndrome/Myalgic Encephalomyelitis (CFS/ME) is an etiologically unexplained disorder characterised by irregularities in various aspects of the immunological function. Presently, it is unknown whether these immunological changes remain consistent over time. This study investigates Natural Killer (NK) cell cytotoxic activity, NK cell subsets (CD56brightCD16- and CD56dimCD16+) and cytokines, over the course of a12 month period in patients with CFS/ME. Methods: The participants in the study comprised 65 (47.2 ± 11.5 years) CFS/ME participants and 21 (45.2 ±9.3 years) non-fatigued controls. Flow cytometry protocols were used to assess NK subsets and NK cytotoxic activity at various time points that …


Cytotoxic Lymphocyte Micrornas As Prospective Biomarkers For Chronic Fatigue Syndrome/Myalgic Encephalomyelitis, Ekua Brenu, Kevin Ashton, Mieke Van Driel, Donald Staines, Daniel Peterson, Gunn Atkinson, Sonia Marshall-Gradisnika Aug 2013

Cytotoxic Lymphocyte Micrornas As Prospective Biomarkers For Chronic Fatigue Syndrome/Myalgic Encephalomyelitis, Ekua Brenu, Kevin Ashton, Mieke Van Driel, Donald Staines, Daniel Peterson, Gunn Atkinson, Sonia Marshall-Gradisnika

Kevin Ashton

Background: Immune dysfunction associated with a disease often has a molecular basis. A novel group of molecules known as microRNAs (miRNAs) have been associated with suppression of translational processes involved in cellular development and proliferation, protein secretion, apoptosis, immune function and inflammatory processes. MicroRNAs may be implicated in Chronic Fatigue Syndrome/Myalgic Encephalomyelitis (CFS/ME), where immune function is impaired. The objective of this study was to determine the association between miRNAs in cytotoxic cells and CFS/ME. Methods: Natural Killer (NK) and CD8+T cells were preferentially isolated from peripheral blood mononuclear cells from all participants (CFS/ME, n = 28; mean age = …


Voluntary Running In Mice Beneficially Modulates Myocardial Ischemic Tolerance, Signaling Kinases, And Gene Expression Patterns, Boris Budiono, Louise See Hoe, Jason Peart, Surendran Sabapathy, Kevin Ashton, Luke Haseler, John Headrick Aug 2013

Voluntary Running In Mice Beneficially Modulates Myocardial Ischemic Tolerance, Signaling Kinases, And Gene Expression Patterns, Boris Budiono, Louise See Hoe, Jason Peart, Surendran Sabapathy, Kevin Ashton, Luke Haseler, John Headrick

Kevin Ashton

Exercise triggers hormesis, conditioning hearts against damaging consequences of subsequent ischemia-reperfusion (I/R). We test whether “low-stress” voluntary activity modifies I/R tolerance and molecular determinants of cardiac survival. Male C57BL/6 mice were provided 7-day access to locked (7SED) or rotating (7EX) running-wheels before analysis of cardiac prosurvival (Akt, ERK 1/2) and prodeath (GSK3β) kinases, transcriptomic adaptations, and functional tolerance of isolated hearts to 25-min ischemia/45-min reperfusion. Over 7 days, 7EX mice increased running from 2.1 ± 0.2 to 5.3 ± 0.3 km/day (mean speed 38 ± 2 m/min), with activity improving myocardial I/R tolerance: 7SED hearts recovered 43 ± 3% of …


Longitudinal Investigation Of Natural Killer Cells And Cytokines In Chronic Fatigue Syndrome/Myalgic Encephalomyelitis, Ekua Brenu, Mieke Van Driel, Donald Staines, Kevin Ashton, Sharni Hardcastle, James Keane, Lotti Tajouri, Daniel Peterson, Sandra Ramos, Sonya Marshall-Gradisnik Aug 2013

Longitudinal Investigation Of Natural Killer Cells And Cytokines In Chronic Fatigue Syndrome/Myalgic Encephalomyelitis, Ekua Brenu, Mieke Van Driel, Donald Staines, Kevin Ashton, Sharni Hardcastle, James Keane, Lotti Tajouri, Daniel Peterson, Sandra Ramos, Sonya Marshall-Gradisnik

Kevin Ashton

Background: Chronic Fatigue Syndrome/Myalgic Encephalomyelitis (CFS/ME) is an etiologically unexplained disorder characterised by irregularities in various aspects of the immunological function. Presently, it is unknown whether these immunological changes remain consistent over time. This study investigates Natural Killer (NK) cell cytotoxic activity, NK cell subsets (CD56brightCD16- and CD56dimCD16+) and cytokines, over the course of a12 month period in patients with CFS/ME. Methods: The participants in the study comprised 65 (47.2 ± 11.5 years) CFS/ME participants and 21 (45.2 ±9.3 years) non-fatigued controls. Flow cytometry protocols were used to assess NK subsets and NK cytotoxic activity at various time points that …