User profiles for Michael Germuska

Michael Germuska

Cardiff University
Verified email at cardiff.ac.uk
Cited by 1326

[PDF][PDF] Phase I trial of a selective c-MET inhibitor ARQ 197 incorporating proof of mechanism pharmacodynamic studies

…, L Pope, J Clark, A Futreal, M Germuska… - Journal of Clinical …, 2011 - researchgate.net
Purpose The hepatocyte growth factor/c-MET axis is implicated in tumor cell proliferation,
survival, and angiogenesis. ARQ 197 is an oral, selective, non–adenosine triphosphate …

Reduced cerebrovascular reactivity in young adults carrying the APOE ε4 allele

S Suri, CE Mackay, ME Kelly, M Germuska… - Alzheimer's & …, 2015 - Elsevier
Background Functional magnetic resonance imaging (MRI) studies have shown that APOE
ε2- and ε4-carriers have similar patterns of blood-oxygenation-level-dependent (BOLD) …

MRI in the detection of prostate cancer: combined apparent diffusion coefficient, metabolite ratio, and vascular parameters

…, S Sandhu, C Fisher, M Germuska… - American journal of …, 2009 - Am Roentgen Ray Soc
OBJECTIVE. The purpose of this study was to compare apparent diffusion coefficients, metabolic
ratios, and vascularity values within histologically defined prostate tumors with those in …

Extracranial soft-tissue tumors: repeatability of apparent diffusion coefficient estimates from diffusion-weighted MR imaging

…, M Rata, K Miyazaki, NP Jerome, M Germuska… - Radiology, 2017 - pubs.rsna.org
Purpose To assess the repeatability of apparent diffusion coefficient (ADC) estimates in
extracranial soft-tissue diffusion-weighted magnetic resonance imaging across a wide range of …

[HTML][HTML] Mapping the pharmacological modulation of brain oxygen metabolism: The effects of caffeine on absolute CMRO2 measured using dual calibrated fMRI

A Merola, MA Germuska, EAH Warnert, L Richmond… - Neuroimage, 2017 - Elsevier
This study aims to map the acute effects of caffeine ingestion on grey matter oxygen metabolism
and haemodynamics with a novel MRI method. Sixteen healthy caffeine consumers (8 …

Calibrated fMRI for mapping absolute CMRO2: Practicalities and prospects

M Germuska, RG Wise - Neuroimage, 2019 - Elsevier
Functional magnetic resonance imaging (fMRI) is an essential workhorse of modern
neuroscience, providing valuable insight into the functional organisation of the brain. The …

Reduced brain oxygen metabolism in patients with multiple sclerosis: Evidence from dual-calibrated functional MRI

…, E Patitucci, M Germuska… - Journal of Cerebral …, 2023 - journals.sagepub.com
Cerebral energy deficiency is increasingly recognised as an important feature of multiple
sclerosis (MS). Until now, we have lacked non-invasive imaging methods to quantify energy …

[HTML][HTML] A forward modelling approach for the estimation of oxygen extraction fraction by calibrated fMRI

M Germuska, A Merola, K Murphy, A Babic… - Neuroimage, 2016 - Elsevier
The measurement of the absolute rate of cerebral metabolic oxygen consumption (CMRO 2
) is likely to offer a valuable biomarker in many brain diseases and could prove to be …

[HTML][HTML] Dual-calibrated fMRI measurement of absolute cerebral metabolic rate of oxygen consumption and effective oxygen diffusivity

M Germuska, HL Chandler, RC Stickland, C Foster… - Neuroimage, 2019 - Elsevier
Dual-calibrated fMRI is a multi-parametric technique that allows for the quantification of the
resting oxygen extraction fraction (OEF), the absolute rate of cerebral metabolic oxygen …

An analysis of the use of hyperoxia for measuring venous cerebral blood volume: comparison of the existing method with a new analysis approach

NP Blockley, VEM Griffeth, MA Germuska, DP Bulte… - Neuroimage, 2013 - Elsevier
Hyperoxia is known to cause an increase in the blood oxygenation level dependent (BOLD)
signal that is primarily localised to the venous vasculature. This contrast mechanism has …