Proteome-wide tagging with an H2O2 biosensor reveals highly localized and dynamic redox microenvironments

P Kritsiligkou, K Bosch, TK Shen… - Proceedings of the …, 2023 - National Acad Sciences
Hydrogen peroxide (H2O2) sensing and signaling involves the reversible oxidation of
particular thiols on particular proteins to modulate protein function in a dynamic manner …

[HTML][HTML] Bioenergetic Shift and Proteomic Signature Induced by Lentiviral-Transduction of GFP-Based Biosensors

S Barakat, Ş Çimen, SM Miri, E Vatandaşlar… - Redox Biology, 2024 - Elsevier
Fluorescent proteins (FPs) stand as pivotal tools extensively employed across diverse
biological research endeavors in various model systems. However, long-standing concerns …

Genetically encoded biosensors unveil neuronal injury dynamics via multichromatic ATP and calcium imaging

A Ghaffari Zaki, EN Yigit, MS Aydın, E Vatandaslar… - ACS …, 2024 - ACS Publications
When a cell sustains damage, it liberates cytosolic ATP, which can serve as an injury signal,
affecting neighboring cells. This study presents a methodological approach that employs in …

[HTML][HTML] Nitric oxide biosensor uncovers diminished ferrous iron-dependency of cultured cells adapted to physiological oxygen levels

G Sevimli, MJ Smith, TA Caglar, Ş Bilir, M Secilmis… - Redox Biology, 2022 - Elsevier
Iron is an essential metal for cellular metabolism and signaling, but it has adverse effects in
excess. The physiological consequences of iron deficiency are well established, yet the …

Probing subcellular iron availability with genetically encoded nitric oxide biosensors

G Sevimli, AE Alston, F Funk, B Flühmann, R Malli… - Biosensors, 2022 - mdpi.com
Cellular iron supply is required for various biochemical processes. Measuring bioavailable
iron in cells aids in obtaining a better understanding of its biochemical activities but is …

Visualizing hydrogen peroxide and nitric oxide dynamics in endothelial cells using multispectral imaging under controlled oxygen conditions

HY Altun, M Secilmis, F Yang, TA Caglar… - Free Radical Biology …, 2024 - Elsevier
The complex interplay between hydrogen peroxide (H 2 O 2) and nitric oxide (NO) in
endothelial cells presents challenges due to technical limitations in simultaneous …

Chemogenetic approaches to dissect the role of H2O2 in redox-dependent pathways using genetically encoded biosensors

A Ghaffari Zaki, YC Erdoğan… - Biochemical Society …, 2022 - portlandpress.com
Chemogenetic tools are recombinant enzymes that can be targeted to specific organelles
and tissues. The provision or removal of the enzyme substrate permits control of its …

Visualizing H2O2 and NO in endothelial cells: strategies and pitfalls

HY Altun, M Secilmis, TA Caglar, E Vatandaslar… - bioRxiv, 2023 - biorxiv.org
The relationship between hydrogen peroxide (H2O2) and nitric oxide (NO) in the
vasculature is multifaceted and remains controversial because the dynamic detection of …

Simultaneous manipulation and imaging of chemogenetically induced hydrogen peroxide in hardly transfectable endothelial cells

E Eroğlu - Cumhuriyet Science Journal, 2022 - acikerisim.medipol.edu.tr
Hydrogen peroxide (H2O2) is a critical signaling molecule in vascular cells, which controls
signaling events, yet it can cause pathological oxidative stress in excess. The lack of …

[HTML][HTML] Multispectral Imaging and Single-Cell Analysis with Genetically Encoded Biosensors Unveil Complex Interactions between Extracellular ATP and Intracellular …

E Eroğlu - Cumhuriyet Science Journal, 2024 - csj.cumhuriyet.edu.tr
The dynamic interplay between extracellular ATP (eATP) and intracellular calcium ([Ca2+] i)
serves as a pivotal signaling axis in cellular physiology, influencing a myriad of cellular …