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A STEDable BF-Azadipyrromethene Fluorophore for Nuclear Membrane and Associated Endoplasmic Reticulum Imaging.
Membranes (Basel)
January 2025
Department of Chemistry, RCSI, University of Medicine and Health Sciences, 123 St Stephen's Green, D02 YN77 Dublin, Ireland.
The endoplasmic reticulum and the internal nuclear compartments are intrinsically connected through the nuclear membrane, pores and lamina. High resolution imaging of each of these cellular features concurrently remains a significant challenge. To that end we have developed a new molecular nuclear membrane-endoplasmic reticulum (NM-ER) staining fluorophore with emission maxima at 650 nm.
View Article and Find Full Text PDFPushing the envelope - How the genome interacts with the nuclear envelope in health and disease.
Adv Protein Chem Struct Biol
January 2025
Genome Organisation and Dynamics Cluster, Center for Genome Engineering and Maintenance, Division of Biosciences, College of Health, Medicine and Life Sciences, Brunel University London, Uxbridge, London, United Kingdom. Electronic address:
The nuclear envelope has for long been considered more than just the physical border between the nucleoplasm and the cytoplasm, emerging as a crucial player in genome organisation and regulation within the 3D nucleus. Consequently, its study has become a valuable topic in the research of cancer, ageing and several other diseases where chromatin organisation is compromised. In this chapter, we will delve into its several sub-elements, such as the nuclear lamina, nuclear pore complexes and nuclear envelope proteins, and their diverse roles in nuclear function and maintenance.
View Article and Find Full Text PDFRole of lamins in cellular physiology and cancer.
Adv Protein Chem Struct Biol
January 2025
Department of Medical Oncology (Lab), Dr. B.R. Ambedkar Institute Rotary Cancer Hospital, All India Institute of Medical Sciences, New Delhi, India. Electronic address:
Lamins, which are crucial type V intermediate filament proteins found in the nuclear lamina, are essential for maintaining the stability and function of the nucleus in higher vertebrates. They are classified into A- and B-types, and their distinct expression patterns contribute to cellular survival, development, and functionality. Lamins emerged during the transition from open to closed mitosis, with their complexity increasing alongside organism evolution.
View Article and Find Full Text PDFMineral Stress Drives Loss of Heterochromatin: An Early Harbinger of Vascular Inflammaging and Calcification.
Circ Res
January 2025
British Heart Foundation Centre for Research Excellence, School of Cardiovascular and Metabolic Medicine and Sciences, James Black Centre, King's College London, United Kingdom (C.Y.H., M.-Y.W., J.T., S.A., L.D., G.A., R.H., C.M.S.).
Background: Vascular calcification is a detrimental aging pathology markedly accelerated in patients with chronic kidney disease. Prelamin A is a biomarker of vascular smooth muscle cell aging that accelerates calcification however the mechanisms remain undefined.
Methods: Vascular smooth muscle cells were transduced with prelamin A using an adenoviral vector and epigenetic modifications were monitored using immunofluorescence and targeted polymerase chain reaction array.
Nuclear envelope components in vascular mechanotransduction: emerging roles in vascular health and disease.
Nucleus
December 2025
Department of Physiology and Biophysics, The University of Illinois at Chicago - College of Medicine, Chicago, IL, USA.
The vascular network, uniquely sensitive to mechanical changes, translates biophysical forces into biochemical signals for vessel function. This process relies on the cell's architectural integrity, enabling uniform responses to physical stimuli. Recently, the nuclear envelope (NE) has emerged as a key regulator of vascular cell function.
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