Issues
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Cover image
Cover Image
Cover: To resolve infections and tissue damage, circulating leukocytes must pass through vessel walls, crossing the endothelial barrier in a process termed transendothelial migration. Human umbilical vein endothelial cell (HUVEC) monolayers are often used as an in vitro model barrier for the study of transendothelial migration. The image depicts a HUVEC monolayer stained for DNA (Hoechst 33342; yellow), VE-cadherin (cyan) and F-actin (phalloidin; magenta). See article by M. L. B. Grönloh et al. (jcs263862).
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RESEARCH HIGHLIGHTS
CELL SCIENCE AT A GLANCE
Leukocyte transendothelial migration hotspots at a glance
Summary: An overview of the biological mechanisms regulating transendothelial and trans-pericyte leukocyte migration hotspots during inflammation, and exploration of the molecular pathways that safeguard vascular integrity by preventing vessel leakage throughout this process.
HYPOTHESIS
Hypothesis that ancestral eukaryotes sexually proliferated without kinetochores or mitosis
Summary: This Hypothesis article proposes that key aspects of meiosis evolved prior to mitosis in ancestral eukaryotes.
RESEARCH ARTICLES
A minimal mathematical model for polarity establishment and centralspindlin-independent cytokinesis
Summary: Using mathematical models constrained by experimental data, we demonstrate quantitatively that the same cue-driven circuit organizes the cell cortex during polarization and cytokinesis.
Glutamine modulates stress granule formation in cancer cells through core RNA-binding proteins
Highlighted Article: Cells require both glutamine and glucose to form SGs and to maintain normal cell function during nutrient stress.
Intra-Golgi Golgin PpSgm1 and GRIP domain Golgin PpImh1 synergistically mediate Golgi cisternal stacking
Summary: The intra-Golgi Golgin PpSgm1 mediates Golgi cisternal stacking in the budding yeast Pichia pastoris by collaborating synergistically with the GRIP domain Golgin PpImh1 in the cisternal stacking process of the Golgi.
LCN2 promotes focal adhesion formation and invasion by stimulating c-Src activation
Summary: Expression of LCN2 is elevated in invasive colorectal cancer. We demonstrate that LCN2 promotes invasion by stimulating the formation of focal adhesions by promoting c-Src activation.
TOOLS AND RESOURCES
AID–2×RBD27, an auxin-inducible degron-based Rab27 trapper that reversibly inhibits the function of Rab27A in melanocytes
Highlighted Article: In this study, we developed a novel auxin-inducible degron-based Rab27 trapper (named AID–2×RBD27) that can reversibly inhibit the function of Rab27A in melanosome transport in melanocytes.
Focus on numbers – characterizing protein accumulation at DNA double-strand breaks
Summary: Spatial intensity distribution analysis allows quantitative description of protein accumulation in DNA repair foci based on confocal images.
FIRST PERSON
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Special Issue – Cell Biology of Mitochondria

Our special issue on ‘Cell Biology of Mitochondria’ is now complete. Explore this issue and read the Editorial from our Guest Editors Ana J. García-Sáez and Heidi McBride.
Save the date – Imaging Cell Dynamics

We are delighted to announce that we will be hosting a 2026 Imaging Cell Dynamics meeting. This meeting will provide a unique opportunity to bring together experts working at the interface between cell biology and imaging. Save the date for 11-14 May 2026 and register for more information.
Origin and evolution of mitochondrial inner membrane composition

In this Review, Kailash Venkatraman and colleagues provide an examination of the morphological similarities between prokaryotic intracytoplasmic membranes and mitochondrial inner membranes, and whether cristae evolution has driven specialisation of the mitochondrial lipidome.
Resolution in super-resolution microscopy
Super-resolution microscopy (SRM) has emerged as a powerful tool for biological discovery. In this Perspective, Kirti Prakash and colleagues compile expert opinions on crucial, yet often overlooked, aspects of SRM that are essential for maximising its benefits and advancing the field.