Reposted by Margarita Parada-KuszMargarita Parada-Kusz @margaritapk.bsky.social · 23/09/2026I’m super excited to share that our new preprint is now live on bioRxiv! We uncovered another unexpected role for kainate receptors (KARs; grik genes), this time in coordinating embryonic blood development. Here’s a look at the phenotype in vivo: www.biorxiv.org/content/10.6... 1161
Margarita Parada-Kusz @margaritapk.bsky.social · 23/09/2026The lipidomic architecture of the mouse brain www.nature.com/articles/s41...nature.comThe lipidomic architecture of the mouse brain - NatureA spatial lipidomic atlas of the mouse brain reveals more than 500 biochemical territories that mirror cell types and connectivity, capture oligodendrocyte heterogeneity and ventricular zonation, and ... 010
Margarita Parada-Kusz @margaritapk.bsky.social · 23/09/2026I’m super excited to share that our new preprint is now live on bioRxiv! We uncovered another unexpected role for kainate receptors (KARs; grik genes), this time in coordinating embryonic blood development. Here’s a look at the phenotype in vivo: www.biorxiv.org/content/10.6... 1161
Reposted by Margarita Parada-KuszbioRxivpreprint @biorxivpreprint.bsky.social · 22/09/2026Kainate receptors coordinate primitive hematopoiesis and hemogenic niche organization to promote hematopoietic stem cell development www.biorxiv.org/content/10.64898/20… 011
Margarita Parada-Kusz @margaritapk.bsky.social · 22/09/2026Hox Genes Regulate Digit Patterning by Controlling the Wavelength of a Turing-Type Mechanism www.science.org/doi/abs/10.1...science.orgHox Genes Regulate Digit Patterning by Controlling the Wavelength of a Turing-Type MechanismMouse genetics and computer modeling suggest that a reaction-diffusion mechanism defines digit pattern. 010
Margarita Parada-Kusz @margaritapk.bsky.social · 22/09/2026Exactly 10 years ago, I took these photos of the first volume of Nature (1869) and the “first” volume of Science (1883) at Countway Library, Harvard Medical School. It was quite a ride finding them among all the volumes in the library, but I’m so glad I did. 110
Margarita Parada-Kusz @margaritapk.bsky.social · 19/09/2026Targeted genomic integration and rearrangement using prime assembly www.nature.com/articles/s41...nature.comTargeted genomic integration and rearrangement using prime assembly - NaturePrime assembly enables RNA-guided integration of medium-to-large DNA sequences in human cells without requiring double-strand breaks or cell cycle progression, and supports exon recoding, transgene in... 020
Margarita Parada-Kusz @margaritapk.bsky.social · 18/09/2026Two parallel neural ectoderm progenitors contribute to the developing brain www.nature.com/articles/s41...nature.comTwo parallel neural ectoderm progenitors contribute to the developing brain - Nature NeuroscienceThis study shows that the brain arises from two distinct progenitors: one forms the forebrain and midbrain, whereas the other generates the hindbrain. These insights enable the generation of human hin... 082
Margarita Parada-Kusz @margaritapk.bsky.social · 17/09/2026Developmental xenocortication using human-derived organoids in mice www.nature.com/articles/s41...nature.comDevelopmental xenocortication using human-derived organoids in mice - NatureXenocortication with human neurons enables circuit- and behaviour-level analysis of neurodevelopment in mice. 010
Margarita Parada-Kusz @margaritapk.bsky.social · 16/09/2026A thermodynamically favoured molecular computer www.nature.com/articles/s41...nature.comA thermodynamically favoured molecular computer - NatureScaffolded DNA Computer performs diverse computations while thermodynamically relaxing towards equilibrium, demonstrating simplicity, reusability, speed, robustness and scalability of the approac... 010
Margarita Parada-Kusz @margaritapk.bsky.social · 12/09/2026Noncoding transcription controls the developmental dynamics of long-range gene regulation www.science.org/doi/10.1126/...science.orgNoncoding transcription controls the developmental dynamics of long-range gene regulationThe genomic regions regulating gene expression are often themselves transcribed into a variety of noncoding RNAs (ncRNAs). However, the regulatory roles of this noncoding transcription remain largely ... 010
Margarita Parada-Kusz @margaritapk.bsky.social · 11/09/2026Imaging cellular activity across all organs reveals body-wide circuits www.nature.com/articles/s41...nature.comImaging cellular activity across all organs reveals body-wide circuits - NatureAn imaging system developed to record cellular activity throughout the whole body of zebrafish captures cellular organ dynamics and identifies multiple distributed circuits. 011
Margarita Parada-Kusz @margaritapk.bsky.social · 03/09/2026Intracellular complement factor H protects neurons during CNS inflammation www.nature.com/articles/s41...nature.comIntracellular complement factor H protects neurons during CNS inflammation - NatureCFH is a key mediator of neuronal resilience across the central nervous system in mice and humans. 000
Margarita Parada-Kusz @margaritapk.bsky.social · 30/08/2026Mitochondrial metabolism and epigenetic crosstalk drive SASP www.nature.com/articles/s41...nature.comMitochondrial metabolism and epigenetic crosstalk drive SASP - NatureIn senescent cells, mitochondria-derived acetyl-CoA promotes histone acetylation and increases chromatin accessibility at inflammatory gene loci. Inhibition of SLC25A1 attenuates these effects, unders... 020
Margarita Parada-Kusz @margaritapk.bsky.social · 29/08/2026Long-lasting extracellular matrix modifications reshape intestinal stem cell fate and promote chronic inflammation www.cell.com/immunity/abs...cell.comLong-lasting extracellular matrix modifications reshape intestinal stem cell fate and promote chronic inflammationWhether inflammation leaves a lasting imprint on the intestinal stem cell (ISC) niche has remained unknown. Adir et al. find that persistent modified ECM (modECM) encodes inflammatory memory, reshapes... 000
Margarita Parada-Kusz @margaritapk.bsky.social · 20/08/2026Human brain organoids record the passage of time over multiple years www.nature.com/articles/s41...nature.comHuman brain organoids record the passage of time over multiple years - NatureHuman brain organoids were developed for over five years in culture to demonstrate that brain cells can continue to mature and record the passage of time, following human-specific endogenous programs,... 000
Margarita Parada-Kusz @margaritapk.bsky.social · 09/08/2026Amygdala astrocyte primary cilium mechanisms contribute to stress behaviours www.nature.com/articles/s41...nature.comAmygdala astrocyte primary cilium mechanisms contribute to stress behaviours - NatureAmygdala astrocyte primary cilia are disrupted during stress, and their restoration leads to improvements in stress-related behaviour in mice. 0115
Margarita Parada-Kusz @margaritapk.bsky.social · 04/08/2026Rational design of disordered proteins for sequence–function investigation www.nature.com/articles/s41...nature.comRational design of disordered proteins for sequence–function investigation - NatureGOOSE enables the design and testing of thousands of disordered protein region sequences to reveal distinct sequence-to-function relationships. 000
Margarita Parada-Kusz @margaritapk.bsky.social · 31/07/2026Epigenetic and 3D genome reprogramming during the aging of the human hippocampus www.science.org/doi/10.1126/...science.orgEpigenetic and 3D genome reprogramming during the aging of the human hippocampusChanges in gene expression have been observed in the aging human brain, but our understanding of the underlying regulatory mechanisms remains limited. To unravel these complexities, we analyzed single... 000
Margarita Parada-Kusz @margaritapk.bsky.social · 31/07/2026Somatic mutations reveal the ontogeny of microglia in human aging www.nature.com/articles/s41...nature.comSomatic mutations reveal the ontogeny of microglia in human aging - NatureNature - Somatic mutations reveal the ontogeny of microglia in human aging 000
Margarita Parada-Kusz @margaritapk.bsky.social · 30/07/2026Efficient and precise programmable DNA knock-in without double-strand breaks www.nature.com/articles/s41...nature.comEfficient and precise programmable DNA knock-in without double-strand breaks - NatureKilobase-scale nickase-targeting (KNIT) editing enables single-nick-based DNA insertion across genomic loci and cell types, supporting insertion of DNA fragments exceeding 10 kb, with high effici... 040
Margarita Parada-Kusz @margaritapk.bsky.social · 30/07/2026Mitochondrial metabolism and epigenetic crosstalk drive SASP www.nature.com/articles/s41...nature.comMitochondrial metabolism and epigenetic crosstalk drive SASP - NatureIn senescent cells, mitochondria-derived acetyl-CoA promotes histone acetylation and increases chromatin accessibility at inflammatory gene loci. Inhibition of SLC25A1 attenuates these effects, unders... 010
Margarita Parada-Kusz @margaritapk.bsky.social · 28/07/2026Alternate RNA decoding results in stable and abundant proteins in mammals www.nature.com/articles/s41...nature.comAlternate RNA decoding results in stable and abundant proteins in mammals - NatureAlternate RNA decoding, an understudied process, leads to peptide sequence modifications that can have substantial functional effects on protein stability, tissue-specific proteomes and dise... 031
Margarita Parada-Kusz @margaritapk.bsky.social · 26/07/2026Reactivation of mammalian regeneration by turning on an evolutionarily disabled genetic switch www.science.org/doi/10.1126/...science.orgReactivation of mammalian regeneration by turning on an evolutionarily disabled genetic switchMammals display prominent diversity in the ability to regenerate damaged ear pinna, but the genetic changes underlying the failure of regeneration remain elusive. We performed comparative single-cell ... 02913
Margarita Parada-Kusz @margaritapk.bsky.social · 18/07/2026Restored clearance of senescent neutrophils by tissue-resident macrophages limits organ aging www.science.org/doi/10.1126/...science.orgRestored clearance of senescent neutrophils by tissue-resident macrophages limits organ agingAging disrupts tissue homeostasis across organ systems. Here, we identify tissue-resident macrophages (TRMs) as central coordinators of age-related organ decline through impaired clearance of senescen... 020
Margarita Parada-Kusz @margaritapk.bsky.social · 08/07/2026Epiblast diversification and blood formation in a human pregastrula www.nature.com/articles/s41...nature.comEpiblast diversification and blood formation in a human pregastrula - NatureHigh-resolution spatial transcriptome analysis of a human embryo at Carnegie stage 6 reveals three distinct developmental trajectories from the epiblast towards amnion, primitive streak and axial meso... 010
Margarita Parada-Kusz @margaritapk.bsky.social · 11/06/2026Cerebellar aging is spatially heterogeneous and supports cognitive resilience in later life www.nature.com/articles/s41...nature.comCerebellar aging is spatially heterogeneous and supports cognitive resilience in later life - Nature NeuroscienceThe cerebellum ages unevenly, with some regions showing preservation that may help protect the brain from decline. The authors show that large cerebellar volume is associated with stronger cognitive r... 030
Margarita Parada-Kusz @margaritapk.bsky.social · 11/06/2026Semaglutide attenuates neuroinflammation in male mice www.nature.com/articles/s41...nature.comSemaglutide attenuates neuroinflammation in male mice - Nature CommunicationsSemaglutide attenuates brain inflammation in mice, coordinately reversing inflammatory gene programs across diverse brain cell types likely engaging both neuronal circuits and peripheral immune respon... 010
Margarita Parada-Kusz @margaritapk.bsky.social · 09/06/2026Epigenetic control of microglial mitochondrial immunity by KAT7 drives Alzheimer’s disease pathogenesis www.cell.com/neuron/fullt...cell.comEpigenetic control of microglial mitochondrial immunity by KAT7 drives Alzheimer’s disease pathogenesisMicroglia-mediated neuroinflammation drives Alzheimer’s disease progression. In this article, Liu et al. show that the histone acetyltransferase KAT7 promotes mitochondrial DNA-dependent inflammation ... 020
Margarita Parada-Kusz @margaritapk.bsky.social · 07/06/2026Transcriptional profiles of immature neurons in aged human hippocampus track Alzheimer’s pathology and cognitive resilience www.cell.com/cell-stem-ce...cell.comTranscriptional profiles of immature neurons in aged human hippocampus track Alzheimer’s pathology and cognitive resilienceTosoni and colleagues identify immature neurons in the aged human hippocampus with signatures of younger biological age and cellular fitness. Their molecular programs and intercellular interactions ar... 040
Margarita Parada-Kusz @margaritapk.bsky.social · 06/06/2026Memory reactivation underlies experience-dependent adaptive regulation of sleep www.science.org/doi/10.1126/...science.orgMemory reactivation underlies experience-dependent adaptive regulation of sleepRecent memories are consolidated during sleep by spontaneous reactivation. However, whether and how memory reactivation affects sleep dynamics remain unclear. By tracking and modulating memory activit... 010
Margarita Parada-Kusz @margaritapk.bsky.social · 04/06/2026Human microglial transitions at the Aβ–tau inflection point associate with divergent pathways to dementia and resilience www.nature.com/articles/s41...nature.comHuman microglial transitions at the Aβ–tau inflection point associate with divergent pathways to dementia and resilience - Nature MedicineMicroglia cellular changes underlie divergent resilience-associated mechanisms in human aging. 010
Margarita Parada-Kusz @margaritapk.bsky.social · 31/05/2026In vitro neurons learn and exhibit sentience when embodied in a simulated game-world www.cell.com/neuron/fullt...cell.comIn vitro neurons learn and exhibit sentience when embodied in a simulated game-worldThe DishBrain system is the first real-time synthetic biological intelligence platform that demonstrates that biological neurons can adjust firing activity in a way that suggests the ability to learn ... 030
Margarita Parada-Kusz @margaritapk.bsky.social · 30/05/2026AhR inhibition promotes axon regeneration via a stress–growth switch www.nature.com/articles/s41...nature.comAhR inhibition promotes axon regeneration via a stress–growth switch - NatureAhR functions as a neuronal brake on axon regeneration, integrating environmental sensing, protein homeostasis and metabolic signalling to control the balance between stress adaptation and axonal repa... 000
Margarita Parada-Kusz @margaritapk.bsky.social · 29/05/2026Universal transcriptomic hallmarks of mammalian ageing and mortality www.nature.com/articles/s41...nature.comUniversal transcriptomic hallmarks of mammalian ageing and mortality - NatureIntegration of gene expression data from multiple tissues across four mammalian species reveals conserved transcriptomic signatures of mammalian ageing and mortality and uncovers the modular... 021
Margarita Parada-Kusz @margaritapk.bsky.social · 28/05/2026Human haematopoietic stem cells remember inflammatory stress www.nature.com/articles/s41...nature.comHuman haematopoietic stem cells remember inflammatory stress - NatureUsing xenograft inflammation–recovery models and single-cell multiomics, a haematopoietic stem cell population after inflammatory stress is identified. 020
Margarita Parada-Kusz @margaritapk.bsky.social · 27/05/2026TranscriptFormer: A generative cell atlas across 1.5 billion years of evolution www.science.org/doi/10.1126/...science.orgTranscriptFormer: A generative cell atlas across 1.5 billion years of evolutionSingle-cell transcriptomics is revolutionizing our understanding of cellular diversity, yet comparing transcriptional programs across the tree of life remains challenging. We developed TranscriptForme... 090
Margarita Parada-Kusz @margaritapk.bsky.social · 27/05/2026Microglial mitochondria transfer to astrocytes via GPNMB-enriched extracellular vesicles alleviates cognitive deficits in tauopathy mice www.nature.com/articles/s41...nature.comMicroglial mitochondria transfer to astrocytes via GPNMB-enriched extracellular vesicles alleviates cognitive deficits in tauopathy mice - Nature NeuroscienceIn PS19 mice, microglia-derived glycoprotein nonmetastatic melanoma protein B promotes mitochondrial extracellular vesicle secretion, enabling mitochondrial transfer to astrocytes. This improves astro... 010
Reposted by Margarita Parada-KuszMike Henderson @mxhend.bsky.social · 12/05/2026Come join us unraveling the mysteries of neurodegeneration! 011
Margarita Parada-Kusz @margaritapk.bsky.social · 27/05/2026Decoding sequence determinants of gene expression in diverse cellular and disease states www.nature.com/articles/s41...nature.comDecoding sequence determinants of gene expression in diverse cellular and disease states - Nature MethodsDecima learns to predict cell-type-specific gene expression based on DNA sequences, contributing to the analysis of gene regulation and design of context-specific regulatory elements. 051
Margarita Parada-Kusz @margaritapk.bsky.social · 25/05/2026In Vivo Base Editing of PCSK9 with VERVE-102 for Hypercholesterolemia www.nejm.org/doi/full/10....nejm.orgIn Vivo Base Editing of PCSK9 with VERVE-102 for Hypercholesterolemia | NEJMPersons carrying loss-of-function variants of proprotein convertase subtilisin–kexin type 9 (PCSK9) have reduced levels of low-density lipoprotein (LDL) cholesterol and fewer atherosclerotic cardio... 010
Margarita Parada-Kusz @margaritapk.bsky.social · 20/05/2026An AI system to help scientists write expert-level empirical software www.nature.com/articles/s41...nature.comAn AI system to help scientists write expert-level empirical software - NatureNature - An AI system to help scientists write expert-level empirical software 020
Margarita Parada-Kusz @margaritapk.bsky.social · 19/05/2026Lineage and organ signals sequentially build organ intrinsic nervous systems www.nature.com/articles/s41...nature.comLineage and organ signals sequentially build organ intrinsic nervous systems - NatureSystems-level analyses of organ intrinsic nervous systems reveal that these networks are initially configured by lineage-dependent programmes, and their architecture and molecular identity are refined... 0111
Margarita Parada-Kusz @margaritapk.bsky.social · 19/05/2026Spatial proteomic analysis in human Alzheimer’s disease brains enables identification of microenvironment-dependent microglial cell states www.nature.com/articles/s41...nature.comSpatial proteomic analysis in human Alzheimer’s disease brains enables identification of microenvironment-dependent microglial cell states - Nature NeuroscienceMyeloid cells show marked heterogeneity in Alzheimer’s disease. This study introduces CODEX-CNS, a single-cell spatial proteomics pipeline, and identifies a human microglial subpopulation enriched in ... 0111
Margarita Parada-Kusz @margaritapk.bsky.social · 18/05/2026Transplantation of encapsulated mitochondria alleviates dysfunction in mitochondrial and Parkinson’s disease models www.cell.com/cell/abstrac...cell.comTransplantation of encapsulated mitochondria alleviates dysfunction in mitochondrial and Parkinson’s disease modelsA mitochondrial transplantation approach rescues mitochondrial deficiency and prevents mitochondrial DNA depletion syndrome, Leigh syndrome, and Parkinson’s disease in cellular and mouse models. 020
Margarita Parada-Kusz @margaritapk.bsky.social · 16/05/2026Immune cells in the blood drive cognitive ageing — blocking them improves memory www.nature.com/articles/d41...nature.comImmune cells in the blood drive cognitive ageing — blocking them improves memoryOld T cells secrete an enzyme that can impair brain function in mice. 000
Margarita Parada-Kusz @margaritapk.bsky.social · 15/05/2026Immune evasive DNA donors and recombinases license kilobase-scale writing www.nature.com/articles/s41...nature.comImmune evasive DNA donors and recombinases license kilobase-scale writing - NatureINSTALL overcomes fundamental challenges for DNA delivery and integration methods by synergizing immune-stealth nucleic acids with recombinases to enable kilobase-scale integration strategies without ... 000
Margarita Parada-Kusz @margaritapk.bsky.social · 14/05/2026www.nature.com/articles/s41...nature.comLineage and organ signals sequentially build organ intrinsic nervous systems - NatureSystems-level analyses of organ intrinsic nervous systems reveal that these networks are initially configured by lineage-dependent programmes, and their architecture and molecular identity are refined... 000
Margarita Parada-Kusz @margaritapk.bsky.social · 14/05/2026www.nature.com/articles/s41...nature.comLong-term editing of brain circuits using an engineered electrical synapse - NatureConnexin proteins found in white perch fish were used to engineer synthetic electrical synapses, enabling precision circuit editing in mammals. 000
Margarita Parada-Kusz @margaritapk.bsky.social · 09/05/2026Monocyte-derived macrophages drive neurological tissue damage through mitochondrial reactive oxygen species | Science Immunology www.science.org/doi/10.1126/...science.orgMonocyte-derived macrophages drive neurological tissue damage through mitochondrial reactive oxygen speciesQuenching mitochondrial reactive oxygen species in monocyte-derived macrophages, but not in microglia, ameliorates neuroinflammation. 040