[HTML][HTML] Increases in intracellular calcium perturb blood–brain barrier via protein kinase C-alpha and apoptosis

K Rakkar, U Bayraktutan - Biochimica et Biophysica Acta (BBA)-Molecular …, 2016 - Elsevier
An increase in intracellular calcium represents one of the early events during an ischaemic
stroke. It triggers many downstream processes which promote the formation of brain oedema, …

Inhibition of TNF-α protects in vitro brain barrier from ischaemic damage

Z Abdullah, K Rakkar, PMW Bath… - Molecular and Cellular …, 2015 - Elsevier
Cerebral ischaemia, associated with neuroinflammation and oxidative stress, is known to
perturb blood–brain barrier (BBB) integrity and promote brain oedema formation. Using an in …

[HTML][HTML] Analysis of endothelial progenitor cell subtypes as clinical biomarkers for elderly patients with ischaemic stroke

RRA Kadir, K Rakkar, OA Othman, N Sprigg… - Scientific Reports, 2023 - nature.com
Endothelial progenitor cells (EPCs), expressing markers for stemness (CD34), immaturity (CD133)
and endothelial maturity (KDR), may determine the extent of post-stroke vascular …

[HTML][HTML] Outgrowth endothelial cells form a functional cerebral barrier and restore its integrity after damage

…, M Alwjwaj, OA Othman, K Rakkar… - Neural regeneration …, 2020 - journals.lww.com
Breakdown of blood-brain barrier, formed mainly by brain microvascular endothelial cells (BMECs),
represents the major cause of mortality during early phases of ischemic strokes. …

[HTML][HTML] Endothelial progenitor cells, potential biomarkers for diagnosis and prognosis of ischemic stroke: Protocol for an observational case-control study

K Rakkar, O Othman, N Sprigg, P Bath… - Neural Regeneration …, 2020 - journals.lww.com
Ischemic stroke is a devastating, life altering event which can severely reduce patient
quality of life. Despite years of research there have been minimal therapeutic advances. …

Inhibition of oxidative stress delays senescence and augments functional capacity of endothelial progenitor cells

RRA Kadir, M Alwjwaj, OA Othman, K Rakkar, N Sprigg… - Brain Research, 2022 - Elsevier
Ageing is characterised by a progressive loss of vascular endothelial function and integrity.
Endothelial progenitor cells (EPCs) play an integral role in endothelial regeneration but are …

[HTML][HTML] Outgrowth endothelial cell conditioned medium negates TNF-α-evoked cerebral barrier damage: A reverse translational research to explore mechanisms

RRA Kadir, M Alwjwaj, K Rakkar, OA Othman… - Stem Cell Reviews and …, 2023 - Springer
Improved understanding of the key mechanisms underlying cerebral ischemic injury is essential
for the discovery of efficacious novel therapeutics for stroke. Through detailed analysis …

Attenuation of urokinase activity during experimental ischaemia protects the cerebral barrier from damage through regulation of matrix metalloproteinase‐2 and NAD …

K Rakkar, K Srivastava… - European Journal of …, 2014 - Wiley Online Library
Ischaemic injury impairs the integrity of the blood–brain barrier (BBB). In this study, we
investigated the molecular causes of this defect with regard to the putative correlations among …

[HTML][HTML] Translational analysis of moderate to severe asthma GWAS signals into candidate causal genes and their functional, tissue-dependent and disease-related …

MA Portelli, K Rakkar, S Hu, Y Guo, IM Adcock… - Frontiers in …, 2021 - frontiersin.org
Asthma affects more than 300 million people globally and is both under diagnosed and
under treated. The most recent and largest genome-wide association study investigating …

Human bronchial epithelial cells from patients with asthma have an altered gene expression profile

S Bhaker, MA Portelli, K Rakkar, D Shaw… - ERJ Open …, 2022 - Eur Respiratory Soc
Asthma is a multifactorial disease presenting with wheeze and shortness of breath, and is
known to be exacerbated by triggers such as pollen, house dust mites and viral infection. In …