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Volume electron microscopy (vEM) generates large 3D volumes of cells or tissues at nanoscale resolutions, enabling analyses of organelles in their cellular environment. Here, we provide examples of vEM in cell biology and discuss community efforts to develop standards in sample preparation and image acquisition for enhanced reproducibility and data reuse.
Despite the constant renewal of their components, cellular actin networks maintain their overall appearance, through a subtle balance of filament assembly and disassembly. This balance is key to the remodelling of cellular architecture. We discuss the significance of in vitro reconstitutions in deciphering the complexity of actin regulation.
Women and gender minorities make defining contributions to science. Despite increased representation of women across the scientific career ladder, institutions routinely fail to support their career advancement or value their input. For an equitable and intersectional future faculty, definitions of excellence must evolve to better value women’s contributions.
With biomedical sciences quickly outgrowing many other application areas in terms of data generation, there is a unique opportunity for life sciences to become one of the greatest beneficiaries of research in machine learning and AI, and also inspire foundational developments in it.
Advances in technology dramatically accelerate biology research, with computation being a standout example. Typically, adapting a new technology follows stages from method creation, via proof-of-concept application to biology, to the development of usable tools. Creating user-friendly software to bridge computer science and biology is a crucial step, yielding high returns on investment and driving biological discoveries. However, we need dedicated resources and a shift in the academic reward system to harness the full potential of computer science in biology.
Intellectual freedom for scientists, unconstrained by commercial interests and direct application, fuels unexpected discoveries. Curiosity-driven, basic science has yielded a deeper understanding of how life forms develop and function in their environment and has had wide implications for health and our planet. Investing in this is vital for scientific progress and is worth protecting in a democracy.
Cell death is an important biological process whose experimental detection and measurement can be difficult, especially when examining many conditions in parallel. The interpretation of cell death data is complicated by the diversity of measurement techniques and lack of standardized methods in the field. Here, we offer tips to help interpret cell death experiments.
Human embryology is flourishing thanks to an impetus provided by embryo models formed from stem cells. These scientific advances require meticulous experimental work and a refined ethical framework, but also sensible public communication. Securing public support is essential to achieve societal impact.
Conferences are often held at different venues and feature innovative scientific programs; however, their design rarely changes, and barriers that exclude marginalized scientists persist. We discuss why this is a problem and offer suggestions for people and organizations seeking to create more inclusive and sustainable scientific meetings.
Reliable ways to identify senescent cells represent a bottleneck for understanding the roles of senescence in physiology and disease. This Comment examines the challenges of identifying senescent cells, revises existing recommendations for how to best assess senescence and discusses how emerging technologies can address these issues.
Mitochondria can shuttle between adjacent cells or travel to distant organs by breaking away from the parent cell and entering the circulation. Here, we briefly review the state of research into mitochondria transfer, and discuss a methodological framework for studying the process.
The Africa Microscopy Initiative (AMI) aims to promote the use of microscopy in biomedical research through facilitated access to instruments and expertise, and via training and networking opportunities. By coupling technology dissemination with expertise and training, AMI is designed to serve as a crucible for the sustainable development of imaging expertise across Africa.
Recent findings ranging from genetics to structural biology, together with studies in human neurons, animal models and patient brains, implicate the retromer-dependent endosomal recycling pathway as both causal and common in Alzheimer’s disease.
The enduring lack of diversity, equity and inclusion (DEI) in academia is arguably the biggest challenge facing universities. Progress has been slow and dependent on the efforts of marginalized faculty. We explain why this is a problem, offer potential solutions and ask those with intersecting privilege and power to be the drivers of change.
Alternative splicing of eukaryotic messenger RNA transcripts often leads to the production of several mature RNAs — including linear RNAs and circular RNAs (circRNAs) — from a single gene locus. The names given to circRNAs are often ambiguous and lack consistency across studies. This Comment calls on the community to embrace a common nomenclature for naming circRNAs to ensure clarity and reproducibility.
Publicly shared metabolomics data may contain key answers to central questions in cell biology, but re-use of the data is complicated by the lack of standardized experimental and computational methods in the field. This Comment provides some tips to help ensure that shared metabolomics data are re-used appropriately.
For the past 40 years, minimal reconstituted systems have helped cell biologists to understand the mechanisms that underlie membrane traffic. Having progressed from minimal synthetic and cell-derived ensembles to direct comparison with living systems, reconstitution is poised for ever more precise and informative understanding of membrane biology.
The extracellular vesicle (EV) surface corona is emerging as a crucial mediator of EV functions. This Comment discusses the roles and biogenesis of the EV corona, as well as the importance of controls to determine whether a biological effect is attributable to the internal EV cargo or to the corona associated with the EV exofacial surface.
To address health disparities and facilitate increasingly personalized treatments, we need to develop new models for basic and disease research that reflect diverse ancestral backgrounds and sex, and ensure that diverse populations are included among donors and research participants.
Current advances in biotechnology open up unprecedented possibilities to transform human tissues into complex, valuable tissue products, such as organoids. Here, we propose consent for governance as a leading paradigm for the derivation, storage and use of complex human tissue products to ensure adjustment to changing ethical requirements.