The vertebrate pore protein Nup153 plays pivotal roles in nuclear pore function. In addition to being important to pore architecture, Nup153 is a key participant in both import and export. The scope of Nup153 function also extends beyond the canonical view of the pore as a trafficking gateway. During the transition into mitosis, Nup153 directs proteins involved in membrane remodeling to the nuclear envelope. As cells exit mitosis, Nup153 is recruited to the chromosomal surface, where nuclear pores are formed anew in a complicated process still under much experimental scrutiny. In addition, Nup153 is targeted for protease cleavage during apoptosis and in response to certain viral infections, providing molecular insight into pore reconfiguration during cell response. Overall, the versatile nature of Nup153 underscores an emerging view of the nuclear pore at the nexus of many key cellular processes.
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http://dx.doi.org/10.1007/s00412-005-0019-3 | DOI Listing |
J Am Chem Soc
January 2025
Department of Chemistry, Graduate School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan.
Light-driven spin hyperpolarization of organic molecules is a crucial technique for spin-based applications such as quantum information science (QIS) and dynamic nuclear polarization (DNP). Synthetic chemistry provides the design of spins with atomic precision and enables the scale-up of individual spins to hierarchical structures. The high designability and extended pore structure of metal-organic frameworks (MOFs) can control interactions between spins and guest molecules.
View Article and Find Full Text PDFAdv Protein Chem Struct Biol
January 2025
Laboratory of Integrative Genomics, Department of Integrative Biology, School of BioSciences and Technology, Vellore Institute of Technology (VIT), Vellore, Tamil Nadu, India. Electronic address:
Triple-negative breast cancer (TNBC) is a highly aggressive subtype of breast cancer that lacks hormone receptors, which makes it more likely to metastasize and have a poor prognosis. Despite some effectiveness of chemotherapy, TNBC remains challenging to manage, with high relapse and mortality rates. Recent findings have highlighted the role of the ubiquitin-protease system in TNBC, with ABI2 identified as a significant regulator.
View Article and Find Full Text PDFAdv Protein Chem Struct Biol
January 2025
Neural Development Biology Lab, Department of Life Science, NIT Rourkela, Rourkela, Odisha, India.
The nuclear pore complex, a large multimeric structure consists of numerous protein components, serves as a crucial gatekeeper for the transport of macromolecules across the nuclear envelope in eukaryotic cells. Dysfunction of the NPC has been implicated in various neurodegenerative diseases, including Alzheimer's disease. In AD, Tau aggregates interact with NPC proteins, known as nucleoporins, leading to disruptions in nuclear transport.
View Article and Find Full Text PDFAdv Protein Chem Struct Biol
January 2025
Department of Neurochemistry, National Institute of Mental Health and Neuro Sciences Hospital (NIMHANS), Institute of National Importance, Bangalore, Karnataka, India.
Tau is a well-known microtubule-associated protein and is located in the cytoplasm of neurons, which play a crucial role in Alzheimer's diseases. Due to its preferred binding to DNA sequences found in the nucleolus and pericentromeric heterochromatin, Tau has been found within the cell nucleus, where it may be a nucleic acid-associated protein. Tau has the ability to directly interact with nuclear pore complex nucleoporins, influencing both their structural and functional integrity.
View Article and Find Full Text PDFAdv 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.
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