Outputs (12)

Donor Variability Alters the Characteristics of Human Brain Microvascular Endothelial Cells (2025)
Journal Article
Ya, J., & Bayraktutan, U. (in press). Donor Variability Alters the Characteristics of Human Brain Microvascular Endothelial Cells. Current Issues in Molecular Biology, 47(2), Article 73. https://doi.org/10.3390/cimb47020073

Primary brain microvascular endothelial cells (BMECs) are widely used in a large number of in vitro studies each year to better mimic their physiological characteristics in vivo. However, potential changes in primary endothelial cells stemming from d... Read More about Donor Variability Alters the Characteristics of Human Brain Microvascular Endothelial Cells.

Comorbidities and Angiogenic Regulators Affect Endothelial Progenitor Cell Subtype Numbers in a Healthy Volunteer Control Group (2024)
Journal Article
Rakkar, K., Kadir, R. R. A., Othman, O. A., Sprigg, N., Bath, P. M., & Bayraktutan, U. (2024). Comorbidities and Angiogenic Regulators Affect Endothelial Progenitor Cell Subtype Numbers in a Healthy Volunteer Control Group. Stem Cell Reviews and Reports, 20, 2336–2344. https://doi.org/10.1007/s12015-024-10777-5

Endothelial progenitor cells (EPCs) are stem cells that can repair injured blood vessels through neovascularisation. This is achieved through secretion of growth factors and endothelial maturation. EPC numbers and function have been studied to determ... Read More about Comorbidities and Angiogenic Regulators Affect Endothelial Progenitor Cell Subtype Numbers in a Healthy Volunteer Control Group.

Hyperglycaemia perturbs blood-brain barrier integrity through its effects on endothelial cell characteristics and function (2024)
Journal Article
Hashmat, A., Ya, J., Kadir, R., Alwjwaj, M., & Bayraktutan, U. (2024). Hyperglycaemia perturbs blood-brain barrier integrity through its effects on endothelial cell characteristics and function. Tissue Barriers, Article 2350821. https://doi.org/10.1080/21688370.2024.2350821

Breakdown of blood-brain barrier (BBB) represents a key pathology in hyperglycemia-mediated cerebrovascular damage after an ischemic stroke. As changes in the level and nature of vasoactive agents released by endothelial cells (ECs) may contribute to... Read More about Hyperglycaemia perturbs blood-brain barrier integrity through its effects on endothelial cell characteristics and function.

The Role of Stem Cells as Therapeutics for Ischaemic Stroke (2024)
Journal Article
Ya, J., Pellumbaj, J., Hashmat, A., & Bayraktutan, U. (2024). The Role of Stem Cells as Therapeutics for Ischaemic Stroke. Cells, 13(2), Article 112. https://doi.org/10.3390/cells13020112

Stroke remains one of the leading causes of death and disability worldwide. Current reperfusion treatments for ischaemic stroke are limited due to their narrow therapeutic window in rescuing ischaemic penumbra. Stem cell therapy offers a promising al... Read More about The Role of Stem Cells as Therapeutics for Ischaemic Stroke.

Analysis of endothelial progenitor cell subtypes as clinical biomarkers for elderly patients with ischaemic stroke (2023)
Journal Article
Kadir, R. R. A., Rakkar, K., Othman, O. A., Sprigg, N., Bath, P. M., & Bayraktutan, U. (2023). Analysis of endothelial progenitor cell subtypes as clinical biomarkers for elderly patients with ischaemic stroke. Scientific Reports, 13(1), Article 21843. https://doi.org/10.1038/s41598-023-48907-7

Endothelial progenitor cells (EPCs), expressing markers for stemness (CD34), immaturity (CD133) and endothelial maturity (KDR), may determine the extent of post-stroke vascular repair. Given the prevalence of stroke in elderly, this study explored wh... Read More about Analysis of endothelial progenitor cell subtypes as clinical biomarkers for elderly patients with ischaemic stroke.

Analysis of Endothelial Progenitor Cell Subtypes as Clinical Biomarkers for Elderly Patients with Ischaemic Stroke (2023)
Journal Article
ABDULKADIR, R., RAKKAR, K., OTHMAN, O., SPRIGG, N., BATH, P., & BAYRAKTUTAN, U. (2023). Analysis of Endothelial Progenitor Cell Subtypes as Clinical Biomarkers for Elderly Patients with Ischaemic Stroke. Scientific Reports, 13, Article 21843. https://doi.org/10.1038/s41598-023-48907-7

Endothelial progenitor cells (EPCs), expressing markers for stemness (CD34), immaturity (CD133) and endothelial maturity (KDR), may determine the extent of post-stroke vascular repair. Given the prevalence of stroke in elderly, this study explored wh... Read More about Analysis of Endothelial Progenitor Cell Subtypes as Clinical Biomarkers for Elderly Patients with Ischaemic Stroke.

Cerebral edema in intracerebral hemorrhage: pathogenesis, natural history, and potential treatments from translation to clinical trials (2023)
Journal Article
Krishnan, K., Campos, P. B., Nguyen, T. N., Tan, C. W., Chan, S. L., Appleton, J. P., Law, Z., Hollingworth, M., Kirkman, M. A., England, T. J., Roffe, C., Macleod, M. J., Dawson, J., Bayraktutan, U., Werring, D. J., Sprigg, N., & Bath, P. M. (2023). Cerebral edema in intracerebral hemorrhage: pathogenesis, natural history, and potential treatments from translation to clinical trials. Frontiers in Stroke, 2, Article 1256664. https://doi.org/10.3389/fstro.2023.1256664

Acute intracerebral hemorrhage is the most devastating stroke subtype and is associated with significant morbidity and mortality. Poor prognosis is associated with primary brain injury from the presenting hematoma, and despite advances in clinical tr... Read More about Cerebral edema in intracerebral hemorrhage: pathogenesis, natural history, and potential treatments from translation to clinical trials.

TNF-α evokes blood-brain barrier dysfunction through activation of Rho-kinase and neurokinin 1 receptor (2023)
Journal Article
Gao, X., & Bayraktutan, U. (2023). TNF-α evokes blood-brain barrier dysfunction through activation of Rho-kinase and neurokinin 1 receptor. Immunobiology, 228(5), Article 152706. https://doi.org/10.1016/j.imbio.2023.152706

Ischaemic stroke, accompanied by neuroinflammation, impairs blood–brain barrier (BBB) integrity through a complex mechanism involving activation of both RhoA/Rho kinase/myosin light chain-2 and neurokinin 1 receptor (NK1R). Using an in vitro model of... Read More about TNF-α evokes blood-brain barrier dysfunction through activation of Rho-kinase and neurokinin 1 receptor.

Substance P reversibly compromises the integrity and function of blood-brain barrier (2023)
Journal Article
Gao, X., & Bayraktutan, U. (2023). Substance P reversibly compromises the integrity and function of blood-brain barrier. Peptides, 167, Article 171048. https://doi.org/10.1016/j.peptides.2023.171048

Background
Substance P (SP) plays a role in vasodilatation and tissue integrity through its receptor, neurokinin 1 (NK1R). However, its specific effect on blood-brain barrier (BBB) remains unknown.

Methods
The impact of SP on the integrity/funct... Read More about Substance P reversibly compromises the integrity and function of blood-brain barrier.

Evaluation of Endothelial Progenitor Cell Characteristics as Clinical Biomarkers for Elderly Patients with Ischaemic Stroke (2023)
Journal Article
Rakkar, K., Othman, O. A., Sprigg, N., Bath, P. M., & Bayraktutan, U. (2023). Evaluation of Endothelial Progenitor Cell Characteristics as Clinical Biomarkers for Elderly Patients with Ischaemic Stroke. Stem Cell Reviews and Reports, 19(6), 1856-1869. https://doi.org/10.1007/s12015-023-10544-y

Ageing impairs endothelial function and predisposes the person to ischaemic stroke (IS). Endothelial progenitor cells (EPCs) repair endothelial damage and induce post-ischaemic neovascularisation. Given the prevalence of IS in older population, this... Read More about Evaluation of Endothelial Progenitor Cell Characteristics as Clinical Biomarkers for Elderly Patients with Ischaemic Stroke.