A recent study published in Protein & Cell by researchers from the Southern University of Science and Technology (SUSTech) provides critical structural and functional insights into the UBR4-KCMF1-Calmodulin (UKC) complex, revealing its pivotal role in protein quality control, cancer cell survival, and stress adaptation. The work, led by Professors Renhong Yan and Baotong Zhang, elucidates how this complex assembles and functions as an E4 ubiquitin ligase, extending ubiquitin chains on pre-tagged substrates to regulate protein degradation.

This work was funded by Key Research and Development Program, Ministry of Science and Technology of China (2022YFA1103103), National Natural Science Foundation of China (32488101, 32330030, 32370870, and 32170801), Fundamental Research Funds for the Central Universities (22120250336), and Fundamental and Interdisciplinary Disciplines Breakthrough Plan of the Ministry of Education of China (JYB2025XDXM508). The authors thank the Peak Disciplines (Type IV) of Institutions of Higher Learning in Shanghai, and the Frontier Science Research Center for Stem Cells, Ministry of Education for their support.; 4) Method of Research: experimental study; 5) Subject of Research: cell.

Neurons face an exceptional proteostasis challenge because their extreme polarization requires rapid proteome remodeling at distal axons and synapses. Rather than acting as separate systems, ribonucleoprotein granules and membranous organelles cooperate to form mobile translation platforms.

A team from Shanghai Ninth People’s Hospital reviewed 216 foot and ankle cases managed through a medical–engineering collaboration workflow powered by 3D printing and digital planning. Rather than treating 3D printing as a standalone tool, the researchers built an integrated system that connects imaging, virtual surgical planning, personalized guides, rehabilitation devices, and even patient-specific implants.

The results highlight a shift from “one-size-fits-all” surgery toward truly individualized treatment.

A 20-year field experiment in western Hungary compared conservation tillage with conventional ploughing across six crops and contrasting weather conditions. Researchers identified four stages, Transitional, Adapted 1, Steady and Adapted 2, showing that benefits developed gradually and required continued management. Although yields and profits initially declined, later improvements in equipment and farming practices reversed the trend. Over 20 years, conservation tillage raised average yields by 3.9%, reduced operating costs by 9.8% and increased profit by 13.0%, equivalent to almost €200 per hectare annually. The authors conclude it can be economically worthwhile, but farmers should expect a transition period rather than immediate returns.

A team of researchers from Yemen and Saudi Arabia analyzed and compared health security performance (HSP) between Gulf Cooperation Council and non-Gulf Cooperation Council countries within the Eastern Mediterranean Region (EMR) for 2019 and 2021, recognizing the critical role of health security in managing global health threats. The study utilized data from the Global Health Security Index (GHSI) for 2019 and 2021. Key health security priorities were identified using the entropy objective weighting method. The VIKOR (VIseKriterijumska Optimizacija I Kompromisno Resenje) method was employed to rank countries based on overall performance. K-means clustering was applied to group countries with similar health security profiles. Pearson’s and Spearman’s rank correlation coefficients were used to assess relationships between independent HSP indicators and overall performance scores. A significant shift in health security priorities within the EMR was observed between 2019 and 2021, with prevention gaining prominence. Gulf Cooperation Council countries emphasized detection and reporting, while non-Gulf Cooperation Council countries prioritized health systems and prevention. Gulf Cooperation Council countries, particularly Qatar and Saudi Arabia, consistently demonstrated strong HSP. Conversely, non-Gulf Cooperation Council countries facing conflict and instability, such as Yemen, Somalia, and Syria, exhibited weaker performance. Health system capacity, prevention, detection and reporting, and risk environment showed robust correlations with overall HSP. This study underscores the necessity for tailored, adaptive policies to address HSP disparities across regions, highlighting investment in prevention, detection, and reporting. It stresses international collaboration, improved policy implementation, and ongoing research to enhance global health security systems across diverse contexts.