Scientific Commons: G. P.

Gravity waves interacting with a narrow jet-like current (2006)

MacIver,
R.D.,
Simons,
R.R.,
Thomas,
G.P.

Self-Calibrating 3D-Ultrasound-Based Bone Registration for Minimally Invasive Orthopedic Surgery (2006)

Barratt,
D.C.,
Penney,
G.P.,
Chan,
C.S.K.,
...

Intraoperative freehand three-dimensional (3-D) ultrasound (3D-US) has been proposed as a noninvasive method for registering bones to a preoperative computed tomography image or computer-generated...

Ultrasound-based registration for minimally-invasive orthopaedic surgery (2006)

Barratt,
D.C.,
Penney,
G.P.,
Slomczykowski,
M.,
...

The use of medical images to guide the surgeon plays a critical role in enabling minimally-invasive orthopaedic procedures to be performed safely and effectively. A fundamental task during such...

Progressive alterations in the hypothalamic-pituitary-adrenalaxis in the R6/2 transgenic mouse model of Huntington's disease (2006)

Bjorkqvist,
M.,
Petersen,
A.,
Bacos,
K.,
...

Cadaver Validation of intensity-based ultrasound to CT registration (2006)

Penney,
G.P.,
Barratt,
B.C.,
Chan,
C.S.K.,
...

A method is presented for the rigid registration of tracked B-mode ultrasound images to a CT volume of a femur and pelvis. This registration can allow tracked surgical instruments to be aligned with...

Pressure changes under the ischial tuberosities of seated individuals during sacral nerve root stimulation. (2006)

Liu,
L.Q.,
Nicholson,
G.P.,
Knight,
S.L.,
...

Tissue deformation and shape models in image-guided interventions: a discussion paper (2005)

Hawkes,
D.J.,
Barratt,
D.,
Blackall,
J.M.,
...

This paper promotes the concept of active models in image-guided interventions. We outline the limitations of the rigid body assumption in image-guided interventions and describe how intraoperative...

Cadaver validation of intensity-based ultrasound-to-CT registration (2005)

Penney,
G.P.,
Barratt,
D.C.,
Chan,
C.S.K.,
...

A method is presented for the registration of tracked B-mode ultrasound images to a CT volume of a femur or pelvis. This registration can allow tracked surgical instruments to be aligned with the CT...

Cadaver validation of intensity-based ultrasound-to-CT registration (2005)

Penney,
G.P.,
Barratt,
D.C.,
Chan,
C.S.K.,
...

Self-calibrating ultrasound-to-CT bone registration (2005)

Barratt,
D.C.,
Penney,
G.P.,
Chan,
C.S.K.,
...

We describe a new self-calibrating approach to rigid registration of 3D ultrasound images in which in vivo data acquired for registration are used to simultaneously perform a patient-specific update...

The seroepidemiology of human T-lymphotropic viruses - Types I and II in Europe: A prospective study of pregnant women (2005)

Taylor,
G.P.,
Bodeus,
M.,
Courtois,
F.,
...

Background: Up to 20 million persons are infected with the human retroviruses human T-lymphotropic virus (HTLV)-I and HTLV-II globally. Most data on the seroprevalence of HTLV-I and HTLV-II in Europe...

Mother-to-child transmission of HIV infection in the era of highly active antiretroviral therapy (2005)

Giaquinto,
C.,
Ruga,
E.,
De Rossi,
A.,
...

Background. Very low rates of mother-to-child transmission (MTCT) of human immunodeficiency virus (HIV) are achievable with use of highly active antiretroviral therapy (HAART). We examine risk...

Endothelial function and dysfunction. Part I: methodological issues for assessment in the different vascular beds: a statement by the Working Group on Endothelin and Endothelial Factors of the European Society of Hypertension (2005)

Deanfield,
J.,
Donald,
A.,
Ferri,
C.,
...

An enormous number of studies in the last two decades have been devoted to investigating the role of the endothelium in cardiovascular diseases. Nonetheless, the optimal methodology for investigating...

Endothelial function and dysfunction. Part I: Methodological issues for assessment in the different vascular beds: a statement by the Working Group on Endothelin and Endothelial Factors of the European Society of Hypertension (2005)

Deanfield,
J.E.,
Donald,
A.,
Ferri,
C.,
...

An enormous number of studies in the last two decades have been devoted to investigating the role of the endothelium in cardiovascular diseases. Nonetheless, the optimal methodology for investigating...

A novel point mutation in the ligand-binding domain (LBD) of the human glucocorticoid receptor (hGR) causing generalized glucocorticoid resistance: The importance of the C terminus of hGR LBD in conferring transactivational activity (2005)

Charmandari,
E.,
Raji,
A.,
Kino,
T.,
...

Glucocorticoid resistance is a rare, familial or sporadic condition characterized by partial end-organ insensitivity to glucocorticoids. The clinical spectrum of the condition is broad, ranging from...

Adrenocorticotropin hypersecretion and pituitary microadenoma following bilateral adrenalectomy in a patient with classic 21- hydroxylase deficiency (2005)

Charmandari,
E.,
Chrousos,
G.P.,
Merke,
D.P.

Bilateral adrenalectomy is an acceptable alternative treatment in salt-wasting 21-hydroxylase deficiency when conventional steroid replacement therapy fails to control hyperandrogenism. Objections to...

Endothelial function and dysfunction. Part II: Association with cardiovascular risk factors and diseases. A statement by the Working Group on Endothelins and Endothelial Factors of the European Society of Hypertension (2005)

Brunner,
H.,
Cockcroft,
J.R.,
Deanfield,
J.E.,
...

Dysfunction of the vascular endothelium is a hallmark of most conditions that are associated with atherosclerosis and is therefore held to be an early feature in atherogenesis. However, the...

Alignment of sparse freehand 3-D ultrasound with preoperative images of the liver using models of respiratory motion and deformation (2005)

Blackall,
J.M.,
Penney,
G.P.,
King,
A.P.,
...

We present a method for alignment of an interventional plan to optically tracked two-dimensional intraoperative ultrasound (US) images of the liver. Our clinical motivation is to enable the accurate...

Denaturing gradient gel electrophoresis gel expansion (DGGEGE) - an attempt to resolve the limitations of co-migration in the DGGE of complex polymicrobial communities (2005)

Gafan,
G.P.,
Spratt,
D.A.

Profiling the oral microbiota associated with the prevalence of three periodontal pathogens (2005)

Gafan,
G.P.,
Elliott,
D.,
Wilson,
M.,
...

Fault scarps and deformation rates in Lazio-Abruzzo, Central Italy: Comparison between geological fault slip-rate and GPS data. (2005)

Papanikolaou,
I.,
Roberts,
G.P.,
Michetti,
A.M.

Purinergic regulation of guinea pig suburothelial myofibroblasts (2004)

Wu,
C.,
Sui,
G.P.,
Fry,
C.H.

Recent advances in detrusor muscle function (2004)

Fry,
C.H.,
Hussain,
M.,
McCarthy,
C.,
...

CODEWEAVE: exploring fine-grained mobility of code (2004)

Mascolo,
C.,
Picco,
G.P.,
Roman,
G.

This paper is concerned with an abstract exploration of code mobility constructs designed for use in settings where the level of granularity associated with the mobile units exhibits significant...

Assessment of a technique for 2D-3D registration of cerebral intra-arterial angiography (2004)

Byrne,
J.V.,
Colominas,
C.,
Hipwell,
J.,
...

This study assesses the ability of a computer algorithm to perform automated 2D-3D registrations of digitally subtracted cerebral angiograms. The technique was tested on clinical studies of five...

Registration of freehand 3D ultrasound and magnetic resonance liver images (2004)

Penney,
G.P.,
Blackall,
J.M.,
Hamady,
M.S.,
...

Electrical characteristics of suburothelial cells isolated from the human bladder (2004)

Sui,
G.P.,
Wu,
C.,
Fry,
C.H.

Control of bladder function by peripheral nerves: avenues for novel drug targets (2004)

Fry,
C.H.,
Ikeda,
Y.,
Harvey,
R.,
...

Cracking up: faulting on Earth and Mars. (2004)

Vetterlein,
J.,
Roberts,
G.P.

Fault scaling relationships, deformation rates and seismic hazards: an example from Lazio-Abruzzo region, central Italy. (2004)

Roberts,
G.P.,
Cowie,
P.,
Papanikoloau,
I.,
...

Spatial and temporal variations in growth rates along active normal fault Systems: an example from Lazio-Abruzzo, central Italy. (2004)

Roberts,
G.P.,
Michetti,
A.M.

Measuring and Modeling Soft Tissue Deformation for Image Guided Interventions (2003)

Hawkes,
D.J.,
Edwards,
P.J.,
Barratt,
D.C.,
...

Community analysis of the microbiota of dental plaque associated with health and gingivitis using a denaturing gradient gel electrophoresis approach (2003)

Gafan,
G.P.,
Lucas,
V.S.,
Roberts,
G.J.,
...

Early Nov. 2003

Intensity-based 2-D-3-D registration of cerebral angiograms (2003)

Hipwell,
J.H.,
Penney,
G.P.,
McLaughlin,
R.A.,
...

We propose a new method for aligning three-dimensional (3-D) magnetic resonance angiography (MRA) with 2-D X-ray digital subtraction angiograms (DSA). Our method is developed from our algorithm to...

The role the T-type Ca 2+ current on the contractile performance of guinea-pig detrusor smooth muscle (2003)

Chow,
K.Y.,
Wu,
C.,
Sui,
G.P.,
...

A description of Ca 2+ channels in human detrusor smooth muscle (2003)

Sui,
G.P.,
Wu,
C.,
Fry,
C.H.

Characterisation of Ca 2+ currents in human prostate muscle cells (2003)

Fry,
C.H.,
Wu,
C.,
Sui,
G.P.

Impedance measurements and connexin expression in human detrusor muscle from stable and unstable bladders (2003)

Sui,
G.P.,
Coppen,
S.R.,
Dupont,
E.,
...

Inward Ca 2+ current in human prostate smooth muscle - evidence of L- and T- type channels (2003)

Sui,
G.P.,
Wu,
C.,
Fry,
C.H.

The cellular properties of human sub-urothelial myofibroblasts (2003)

Wu,
C.,
Sui,
G.P.,
Fry,
C.H.

A description of Ca2+ channels in human detrusor smooth muscle (2003)

Sui,
G.P.,
Wu,
C.,
Fry,
C.H.

New 234U-230Th coral dates from the western Gulf of Corinth: implications for extensional tectonics (2003)

Houghton,
S.L.,
Roberts,
G.P.,
Papanikolaou,
I.,
...

We derive rates of uplift of ?0.7?0.8 mm/yr for the western end of the Gulf of Corinth, Greece, using geomorphic paleaoshoreline modeling. We calibrate the modeling with new 234U-230Th dates on the...

New 234U-230Th coral dates from the western Gulf of Corinth: Implications for extensional tectonics (2003)

Houghton,
S.L.,
Roberts,
G.P.,
Papanikolaou,
I.D.,
...

Cracking up: faulting on Earth and Mars (2003)

Vetterlein,
J.G.,
Roberts,
G.P.

Human T cell leukaemia virus type I associated neuromuscular disease causing respiratory failure (2002)

Littleton,
E.T.,
Man,
W.D.,
Holton,
J.L.,
...

School based HIV prevention in Zimbabwe: feasibility and acceptability of evaluation trials using biological outcomes (2002)

Cowan,
F.M.,
Langhaug,
L.F.,
Mashungupa,
G.P.,
...

Deforming a preoperative volume to represent the intraoperative scene (2002)

Penney,
G.P.,
Little,
J.A.,
Weese,
J.,
...

Soft-tissue deformation can be a problem if a preoperative modality is used to help guide a surgical or interventional procedure. We present a method that can warp a preoperative CT image to...

Gap junctions and connexin expression in human sub-urothelial interstitial cells (2002)

Sui,
G.P.,
Rothery,
S.,
Dupont,
E.,
...

Intracellular resistance and connexin expression in stable and unstable human bladder smooth muscle (2002)

Fry,
C.H.,
Sui,
G.P.,
Coppen,
S.R.,
...

The role of the L-type Ca2+ channel in refilling functional intracellular Ca2+ stores in guinea-pig detrusor smooth muscle (2002)

Wu,
C.,
Sui,
G.P.,
Fry,
C.H.

Tyr-TGFalpha transgenic mice develop ocular melanocytic lesions (2002)

Sutton,
R.,
Gordon-Thomson,
C.,
Cree,
I.A.,
...

Transforming growth factor-alpha (TGFalpha) has been implicated in melanocyte transformation, as it is expressed in melanocytic lesions and in melanoma cells. We investigated its role in melanoma...

Fault slip-rate variations during crustal-scale strain localisation, central Italy (2002)

Roberts,
G.P.,
Michetti,
A.M.,
Cowie,
P.,
...

Surface observations of active normal fault propagation: implications for growth (2002)

Morewood,
N.C.,
Roberts,
G.P.

Inward calcium currents in cultured and freshly isolated detrusor muscle cells: evidence of a T-type calcium current (2001)

Sui,
G.P.,
Wu,
C.,
Fry,
C.H.

PURPOSE: We carefully examined the possible routes of Ca2+ influx, and determined whether cultured cells retain Ca2+ channels and whether the culturing process changes their properties. MATERIALS AND...

Comparison of the intracellular Ca²⁺ responses to agonists in freshly isolated and cultured human detrusor myocytes (2001)