Controlling for the effects of mechanical stimulation during sleep deprivation reveals substantial multi-cycle sleep rebound in Drosophila and reveals serotonin as a potential sleep substance in the fly brain.
Acetate concentration, which is significantly increased in association with energy stresses such as those that occur with diabetes or starvation, is emerging as a novel 'ketone body' with potential as a parameter for evaluating the progression of energy stress.
Jennifer T Pentz, Kathryn MacGillivray ... William C Ratcliff
Clonal development, but not aggregation, promotes the transition of Darwinian individuality from cells to groups, emphasizing the fundamental role of initial multicellular life cycles in the evolution of multicellularity.
Glucocorticoids are assumed to reflect 'stress,' but they increase proportionally to the increase in metabolic rate induced by stressors, leading us to propose that glucocorticoids reflect metabolic rate, not stress.
Maria Ruesseler, Lilian Aline Weber ... Laurence Tudor Hunt
Human behaviour in a continuous decision making task adapts to the overall statistics of the sensory environment, and these adaptations are also reflected in changes in neural responses to incoming sensory evidence.
The bicontinuous nanospheres platform enables dual encapsulation and in vivo activation of lipid and protein antigen-specific T cells, resulting in enduring lipid depots for sustained immune responses.
Jessica Jacobs-Li, Weiyi Tang ... Marianne E Bronner
Single-cell transcriptome analysis of sacral compared with vagal neural crest-derived cells in the developing chick enteric nervous system reveals both similarities and differences between these two cell populations.
A novel in vivo strategy for reversible, multiplexed control of circulating hormone expression levels, achieved by combining genome-editing and intramuscular electroporation of fluorescently tagged hormones in the naturally short-lived turquoise killifish.
The analysis of T cell movement in multiple tissues (lymph node, villi, and lung under two different inflammatory conditions) sheds new light on how T cells navigate different tissue environments to improve immunity and search processes.
In vitro and in vivo data show that C-natriuretic peptide is significant for increasing mitochondrial bioenergetics by cAMP-PKA pathway and improving cytoplasmic and nuclear maturation of maternally aged oocyte.
Christopher T Boughter, Martin Meier-Schellersheim
A comprehensive computational study of germline-encoded T cell receptor CDR loops and MHC alpha-helices finds limited evidence for evolutionary conserved interactions, and instead suggests broad biophysical compatibility guides the interactions between the two proteins.
The Foxa2 lineage-based organ generative strategy allows us to establish a unique paradigm for the simultaneous generation of functional whole lungs and thymus, which can be applied to future transplantation therapy.
Manfred G Kitzbichler, Daniel Martins ... Neil A Harrison
Revealing two distinct brain systems linked to obesity, this research illuminates the intricate relationship between obesity, brain microstructure and genetics with potential implications for treatment and prevention.
Habituation to mechanical vibration of crawling Drosophila larvae exhibits distinct time constants that characterize desensitization, re-sensitization, and further adaptation to repeated stimulus patterns.
Disruption of the intracellular vimentin network upon cellular stress results in enhanced cell surface vimentin on human osteoarthritic chondrocytes and might represent a novel membrane-associated marker of stress-induced premature senescence.
Yingnan Zhang, Kelly Zhang ... Natalia A Trayanova
A novel computational approach integrates personal genetics into personalized whole heart digital twins to predict ventricular arrhythmia circuits for patients with arrhythmogenic right ventricular cardiomyopathy.
Marco Leibinger, Charlotte Zeitler ... Dietmar Fischer
Systemic treatment with di-methyl-amino-parthenolide facilitates CNS axon regeneration and functional recovery by reducing the induction of microtubule detyrosination by established regenerative therapies.
A new type of mRNAs-loaded CD133+ vesicles, named intercellsome, mediate cell-cell communications to compensate intracellular proliferative signal deficit, representing a previously unrecognized mechanism of cell proliferation under stress.
Stefano Mammola, Martino Adamo ... Ricardo A Correia
Different species-level characteristics and sociocultural factors influence scientific and societal interest in biodiversity, with important implications for species-level conservation and dissemination.
Germline extrachromosomal circular DNAs are mainly formed by microhomology-mediated ligation of nucleosome-protected fragments and barely contribute to de novo genomic deletions at meiotic recombination hotspots.
Gayathri Nagaraj, Shaveta Vinayak ... Dimpy P Shah
Sociodemographic (age, race/ethnicity) and clinical (Eastern Cooperative Oncology Group performance status, pre-existing comorbidities, and active and progressing cancer) risk factors were associated with worse COVID-19 outcomes in patients with breast cancer.
Guillaume Viejo, Daniel Levenstein ... Adrien Peyrache
Pynapple advances data analysis in systems neuroscience with a versatile, open-source framework that uses common objects to handle diverse data streams, ensuring reliable and reproducible analysis while maintaining long-term backward compatibility.
σ28-Dependent sRNAs fine-tune flagella synthesis, with one sRNA connecting synthesis with metabolism and two sRNAs with opposing effects connecting synthesis with ribosomal protein production through unique binding within coding sequences.
Tim Aguirre, Gillian L Dornan ... Dorothea Fiedler
A subtle mutation in the ATP-binding site of inositol hexakisphosphate kinases increases their conformational flexibility and thereby makes them susceptible to isozyme-selective, allosteric inhibition.
Dysmyelination of GABAergic hippocampal interneurons causes mislocalization of axonal ionic channels and disturbs their intrinsic physiological properties, suggesting that it may contribute to cognitive deficits observed in multiple sclerosis patients.
Neural network modeling shows that hierarchical application of the simple computational principle of predicting future sensory input from its past can capture features of visual motion processing from the retina to the visual cortex.
Frontal cortical circuit alterations and cognitive deficits identified in mouse genetic models are reversed by chemogenetic or optogenetic stimulation of the mesocortical dopamine circuit in an adolescent period.
Proteomic analysis of brain organoids from creatine transporter deficiency (CTD) patients enhance the understanding of CTD offering potential therapeutic targets and a robust foundation for continued research in the field.
Louiza S Velentzis, Megan A Smith ... Karen Canfell
Results from this modelled analysis indicate that short-term delays in HPV vaccination of adolescents are unlikely to have substantial long-term effects on HPV-related cancers, provided catch-up of missed vaccine doses can be implemented.
Inducing the formation of mitochondrial respiratory chain supercomplexes in Drosophila melanogaster, where they are normally absent, does not have any noticeable impact in the function of the respiratory chain.
Patrik Simmler, Eleonora I Ioannidi ... Gerald Schwank
SF3B1-K700E, a gene mutaiton found recurrently mutated in pancreatic cancer, increases malignancy in an autochthonous mouse model of pancreatic cancer and induces resistance against TGF-β-induced apoptosis in vitro by missplicing of MAP3K7.
Julie C Necarsulmer, Jeremy M Simon ... Todd J Cohen
Impairing TDP-43 RNA-binding capacity through a single acetylation-mimic mutation alters TDP-43 function and recapitulates biochemical, molecular, and behavioral features of sporadic TDP-43 proteinopathies, thus providing opportunities for new research into pathogenic mechanisms and therapeutic interventions.
Jayashree Jena, Luis Miguel García-Peña ... Renata O Pereira
Deletion of optic atrophy 1 in brown adipose tissue induces secretion of growth differentiation factor 15 as a batokine to attenuate diet-induced obesity and improve glucose clearance, hepatic steatosis, and thermoregulation in mice by increasing energy expenditure.
The coupling between neural oscillatory activity, haemodynamics, and metabolism is localised to the temporo-parietal region in response to social stimuli, providing evidence of the importance of investigating the energetic basis of brain functional specialisation.
Interactions between cortical and subcortical circuits in the mammalian brain flexibly control the flow of information streams that drive decisions by shifting the balance of power both within and between action representations.
Genetic variation in a biogenic amines receptor underlies a means of gain control for nonassociative learning and hence an important form of attention that is the basis for tradeoffs in foraging in a social collective.
Inhibitory innervation in the dorsolateral geniculate nucleus is crucial for adult thalamic and cortical ocular dominance plasticity, highlighting potential thalamic involvement in conditions like amblyopia and learning disabilities.
Revisiting limitations in time-resolved X-ray free-electron laser structures of the bacterial photosynthetic reaction center uncovers their irrelevance to proposed structural changes in electron transfer dynamics.
Abhishek Jamwal, Cristina F Constantin ... Matthew K Higgins
The most effective growth-neutralising antibodies which target the PfRH5 protein from a malaria parasite function by preventing the parasite from binding to basigin-containing membrane protein complexes on human erythrocytes.
Khalyd J Clay, Yongzhi Yang ... Michael Petrascheck
Carefully controlling the level of protein synthesis reduction and mode of translation inhibitor action reveal different and sometimes opposing phenotypic effects following proteostasis stress, wherein protection via initiation inhibition specifically depends on heat shock factor 1.
A spiking neural network model explains how hippocampal theta sequences in two-dimensional arenas can arise from a combination of sensory-motor inputs, short-term synaptic plasticity, and intrinsic connectivity.
María Rodríguez-López, Nicola Bordin ... Jürg Bähler
Large-scale screens and computational approaches reveal phenotypes for 3492 genes and gene-ontology predictions for 783 genes, including hitherto unstudied genes, which provides a potent platform to further dissect protein function.
Xenopus laevis arose from hybridization of two different frog species millions of years ago, leading to adaptation of the genetic networks controlling early embryonic development and stem cell induction to balance expression between the genes inherited from each ancestor.
Márton A Simon, Iordan Iordanov ... László Csanády
Functional studies on CFTR anion channels harboring combinations of catalytic site mutations in the active ATPase site reveal the true stability of the prehydrolytic open-pore state as well as nucleotide-binding domain interface features that are unique to human CFTR.