User profiles for Mark Ponsford

Mark J Ponsford

Cardiff University
Verified email at cardiff.ac.uk
Cited by 1769

Sequestration and microvascular congestion are associated with coma in human cerebral malaria

MJ Ponsford, IM Medana, P Prapansilp… - Journal of Infectious …, 2012 - academic.oup.com
The pathogenesis of coma in severe Plasmodium falciparum malaria remains poorly understood.
Obstruction of the brain microvasculature because of sequestration of parasitized red …

[HTML][HTML] Loss-of-function nuclear factor κB subunit 1 (NFKB1) variants are the most common monogenic cause of common variable immunodeficiency in Europeans

…, I Nasir, S Nejentsev, S Noorani, M Ponsford… - Journal of allergy and …, 2018 - Elsevier
Background The genetic cause of primary immunodeficiency disease (PID) carries prognostic
information. Objective We conducted a whole-genome sequencing study assessing a …

[HTML][HTML] A systematic review and meta-analysis of inpatient mortality associated with nosocomial and community COVID-19 exposes the vulnerability of …

MJ Ponsford, TJC Ward, SM Stoneham… - Frontiers in …, 2021 - frontiersin.org
Background Little is known about the mortality of hospital-acquired (nosocomial) COVID-19
infection globally. We investigated the risk of mortality and critical care admission in …

Cardiometabolic traits, sepsis, and severe COVID-19: a Mendelian randomization investigation

MJ Ponsford, A Gkatzionis, VM Walker, AJ Grant… - Circulation, 2020 - Am Heart Assoc
CORRESPONDENCE lifetime smoking score were also associated with increased risk of
severe COVID-19 with respiratory failure and hospitalization with COVID-19 (Figure). Similar …

Clozapine is associated with secondary antibody deficiency

M Ponsford, D Castle, T Tahir, R Robinson… - The British Journal of …, 2019 - cambridge.org
BackgroundSchizophrenia affects 1% of the population. Clozapine is the only medication
licensed for treatment-resistant schizophrenia and is intensively monitored to prevent harm …

Are we underestimating seroprevalence of SARS-CoV-2?

S Burgess, MJ Ponsford, D Gill - Bmj, 2020 - bmj.com
Testing for severe acute respiratory coronavirus 2 (SARS-CoV-2), which causes covid-19, is
complex and politically sensitive. Seroprevalence studies use antibodies as markers of …

[HTML][HTML] Detection of antibodies to the SARS-CoV-2 spike glycoprotein in both serum and saliva enhances detection of infection

…, TV Veenith, S Harding, S Jolles, MJ Ponsford… - MedRxiv, 2020 - ncbi.nlm.nih.gov
Background: Detecting antibody responses during and after SARS-CoV-2 infection is
essential in determining the seroepidemiology of the virus and the potential role of antibody in …

Complement inhibition with the C5 blocker LFG316 in severe COVID-19

WM Zelek, J Cole, MJ Ponsford… - American Journal of …, 2020 - atsjournals.org
Conclusions The main features of respiratory mechanics, the response to treatment (such as
the oxygenation response to LRMs or prone position), and prognosis are similar in COVID-…

Development of a high‐sensitivity ELISA detecting IgG, IgA and IgM antibodies to the SARS‐CoV‐2 spike glycoprotein in serum and saliva

…, TV Veenith, S Harding, S Jolles, MJ Ponsford… - …, 2021 - Wiley Online Library
Detecting antibody responses during and after SARS‐CoV‐2 infection is essential in
determining the seroepidemiology of the virus and the potential role of antibody in disease. …

[HTML][HTML] COVID-19 and X-linked agammaglobulinemia (XLA)–insights from a monogenic antibody deficiency

MJ Ponsford, BMJ Shillitoe, IR Humphreys… - Current Opinion in …, 2021 - journals.lww.com
In contrast to reports made early in the pandemic, we show XLA patients remain susceptible
to severe disease. Persistent infection was common and is likely to carry a significant …