Showing page 94 of 364 pages of list content

  1. Modulation of α-synuclein aggregation amid diverse environmental perturbation

    This article has 3 authors:
    1. Abdul Wasim
    2. Sneha Menon
    3. Jagannath Mondal
    This article has been curated by 1 group:
    • Curated by eLife

      eLife assessment

      This study provides important biophysical insights into the molecular mechanism underlying the association of alpha-synuclein chains, which is essential for understanding the pathogenesis of Parkinson's disease. The data analysis is solid, and the methodology can help investigate other molecular processes involving intrinsically disordered proteins.

    Reviewed by eLife

    This article has 7 evaluationsAppears in 1 listLatest version Latest activity
  2. Root cap cell corpse clearance limits microbial colonization in Arabidopsis thaliana

    This article has 6 authors:
    1. Nyasha Charura
    2. Ernesto Llamas
    3. Concetta De Quattro
    4. David Vilchez
    5. Moritz K Nowack
    6. Alga Zuccaro
    This article has been curated by 1 group:
    • Curated by eLife

      eLife assessment

      This study investigated the involvement of programmed cell death (PCD) in Arabidopsis thaliana root cap cells and its effect on microbial colonization. The authors have reported the importance of timely corpse clearance in the root cap and a root cap-specific transcription factor in controlling microbial colonization by beneficial fungi. By demonstrating the connection between transcriptional control of PCD and microbial colonization, this study provides fundamental insights into how relationships are established and regulated at the root-microbiome interface. The strength of the evidence presented is convincing, providing a foundation for further research concerning the spatial and temporal dynamics of microbiome recruitment along the root axis.

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    This article has 7 evaluationsAppears in 1 listLatest version Latest activity
  3. Human induced pluripotent stem cell-derived cardiomyocytes to study inflammation-induced aberrant calcium transient

    This article has 11 authors:
    1. Yuki Tatekoshi
    2. Chunlei Chen
    3. Jason Solomon Shapiro
    4. Hsiang-Chun Chang
    5. Malorie Blancard
    6. Davi M Lyra-Leite
    7. Paul W Burridge
    8. Matthew Feinstein
    9. Richard D'Aquila
    10. Priscilla Hsue
    11. Hossein Ardehali
    This article has been curated by 1 group:
    • Curated by eLife

      eLife assessment

      This useful study focuses on heart failure with preserved ejection fraction (HFpFE), common in patients with HIV. Researchers used induced human pluripotent stem cell-derived cardiomyocytes (hiPSC-CMs) to stimulate HEFpEF) and found that inflammatory cytokines alter Ca2+ transients. SGLT2 inhibitors and mitochondrial antioxidants reversed this effect. While the study is incomplete and preliminary, its strength lies in introducing hiPSC-CMs as a tool for investigating HFpEF mechanisms. A major weakness was found to be limited functional assessment relevant to HFpEF.

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    This article has 7 evaluationsAppears in 1 listLatest version Latest activity
  4. An in vitro approach reveals molecular mechanisms underlying endocrine disruptor-induced epimutagenesis

    This article has 5 authors:
    1. Jake D Lehle
    2. Yu-Huey Lin
    3. Amanda Gomez
    4. Laura Chavez
    5. John R McCarrey
    This article has been curated by 1 group:
    • Curated by eLife

      eLife assessment

      This important study, characterizing the epigenetic and transcriptomic response of a variety of cell types representative of somatic, germline, and pluripotent cells to BPS, reveals the cell type-specific changes in DNA methylation and the relationship with the genome sequence. The findings are convincing and provide a basis for future analyses in vivo. This work should be of interest to biomedical researchers who work on epigenetic reprogramming and epigenetic inheritance.

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    This article has 11 evaluationsAppears in 1 listLatest version Latest activity
  5. DHCR24-mediated sterol homeostasis during spermatogenesis is required for sperm mitochondrial sheath formation and impacts male fertility over time

    This article has 10 authors:
    1. Sona Relovska
    2. Huafeng Wang
    3. Xinbo Zhang
    4. Pablo Fernández-Tussy
    5. Kyung Jo Jeong
    6. Jungmin Choi
    7. Yajaira Suárez
    8. Jeffrey G. McDonald
    9. Carlos Fernández-Hernando
    10. Jean-Ju Chung
    This article has been curated by 1 group:
    • Curated by eLife

      eLife assessment

      This useful study reports data supporting the importance of sterol homeostasis in sperm development and consequently male reproduction. While most of the data are supportive of the conclusion, some remain incomplete and need more experimental verification. This work would be of interest to basic researchers and clinicians working on sterol homeostasis and male fertility.

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    This article has 4 evaluationsAppears in 1 listLatest version Latest activity
  6. High-resolution awake mouse fMRI at 14 tesla

    This article has 11 authors:
    1. David Hike
    2. Xiaochen Liu
    3. Zeping Xie
    4. Bei Zhang
    5. Sangcheon Choi
    6. Xiaoqing Alice Zhou
    7. Andy Liu
    8. Alyssa Murstein
    9. Yuanyuan Jiang
    10. Anna Devor
    11. Xin Yu
    This article has been curated by 1 group:
    • Curated by eLife

      eLife Assessment

      This is a valuable study describing an implementation of awake mouse fMRI with implanted head coils at high fields. The evidence presented is convincing, combining technical advances with interesting neuroscience applications showing that mice anticipate stimuli given at regular (but at irregular) intervals.

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    This article has 7 evaluationsAppears in 1 listLatest version Latest activity
  7. Effects of noise and metabolic cost on cortical task representations

    This article has 9 authors:
    1. Jake Patrick Stroud
    2. Michal Wojcik
    3. Kristopher Torp Jensen
    4. Makoto Kusunoki
    5. Mikiko Kadohisa
    6. Mark J Buckley
    7. John Duncan
    8. Mark G Stokes
    9. Mate Lengyel
    This article has been curated by 1 group:
    • Curated by eLife

      eLife assessment

      This work provides a valuable analysis of the effect of two commonly used hyperparameters, noise amplitude and firing rate regularization, on the representations of relevant and irrelevant stimuli in trained recurrent neural networks (RNNs). The results suggest an interesting interpretation of prefrontal cortex (PFC) dynamics, based on comparisons to previously published data from the same lab, in terms of decreasing metabolic cost during learning. The evidence indicating that the mechanisms identified in the RNNs are the same ones operating in PFC was considered incomplete, but could potentially be bolstered by additional analyses and appropriate revisions.

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    This article has 5 evaluationsAppears in 1 listLatest version Latest activity
  8. Neural encoding of multiple motion speeds in visual cortical area MT

    This article has 4 authors:
    1. Xin Huang
    2. Bikalpa Ghimire
    3. Anjani Sreeprada Chakrala
    4. Steven Wiesner
    This article has been curated by 1 group:
    • Curated by eLife

      eLife assessment

      This study concerns how macaque visual cortical area MT represents stimuli composed of more than one speed of motion. The study is valuable because little is known about how the visual pathway segments and preserves information about multiple stimuli, and the study involves perceptual reports from both humans and one monkey regarding whether there are one or two speeds in the stimulus. The study presents compelling evidence that (on average) MT neurons represent the average of the two speeds, with a bias that accentuates the faster of the two speeds. Ultimately, this study raises intriguing questions about how exactly the response patterns in visual cortical area MT might preserve information about each speed, since such information could potentially be lost in an average response as described here, depending on assumptions about how MT activity is evaluated by other visual areas.

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    This article has 4 evaluationsAppears in 2 listsLatest version Latest activity
  9. A Memory Model of Rodent Spatial Navigation: Place Cells are Memories Arranged in a Grid and Grid Cells are Non-spatial

    This article has 1 author:
    1. David E Huber
    This article has been curated by 1 group:
    • Curated by eLife

      eLife Assessment

      This important paper provides solid evidence for an alternative conceptualization of the functional role of the place and grid cell network in the medial temporal lobe for memory as opposed to spatial processing or navigation. The theory is extensive, tightly integrating data on various spatial cell types. It accounts for many experimental results and generates strong predictions for future studies that will be of interest to researchers in this field. The impact of the work would be strengthened if future experiments reveal that grid cells do indeed encode specific nonspatial features.

    Reviewed by eLife

    This article has 9 evaluationsAppears in 1 listLatest version Latest activity
  10. The neuron-specific IIS/FOXO transcriptome in aged animals reveals regulatory mechanisms of cognitive aging

    This article has 6 authors:
    1. Yifei Weng
    2. Shiyi Zhou
    3. Katherine Morillo
    4. Rachel Kaletsky
    5. Sarah Lin
    6. Coleen T Murphy
    This article has been curated by 1 group:
    • Curated by eLife

      eLife assessment

      This fundamental study investigates the transcriptional changes in neurons that underlie loss of learning and memory with age in C. elegans, and how cognition is maintained in insulin/IGF-1-like signaling mutants. The presented evidence is compelling, utilizing a cutting-edge method to isolate neurons from worms for genomics that is clearly conveyed with a rigorous experimental approach. Overall, this study supports that older daf-2 worms maintain cognitive function via mechanisms that are unique from younger wild type worms, which will be of great interest to neuroscientists and researchers studying ageing.

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    This article has 14 evaluationsAppears in 1 listLatest version Latest activity
  11. Differential functions of the dorsal and intermediate regions of the hippocampus for optimal goal-directed navigation in VR space

    This article has 3 authors:
    1. Hyeri Hwang
    2. Seung-Woo Jin
    3. Inah Lee
    This article has been curated by 1 group:
    • Curated by eLife

      eLife assessment

      The authors report solid evidence for a valuable set of findings in rats performing a new virtual place-preference task. Temporary pharmacological inhibition targeting the dorsal or intermediate hippocampus disrupted navigation to a goal location in the task, and functional inhibition of the intermediate hippocampus was more detrimental than functional inhibition of the dorsal hippocampus. The work provides novel insights into functional differentiation along the dorsal-ventral axis of the hippocampus.

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    This article has 9 evaluationsAppears in 1 listLatest version Latest activity
  12. Synchronous Ensembles of Hippocampal CA1 Pyramidal Neurons Associated with Theta but not Ripple Oscillations During Novel Exploration

    This article has 4 authors:
    1. En-Li Chen
    2. Tsai-Wen Chen
    3. Eric R Schreiter
    4. Bei-Jung Lin
    This article has been curated by 1 group:
    • Curated by eLife

      eLife Assessment

      In this useful study, the authors perform voltage imaging of CA1 pyramidal cells in head-fixed mice running on a track while local field potentials (LFPs) are recorded. The authors conclude that synchronous ensembles of neurons are differentially associated with different types of LFP patterns, namely theta and ripples. However, evidence for the claims in the paper remains incomplete, due to caveats of the experimental approach and claims that are based on a relatively sparse data set collected with a cutting-edge but still largely untested method.

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    This article has 15 evaluationsAppears in 1 listLatest version Latest activity
  13. High frequency spike inference with particle Gibbs sampling

    This article has 3 authors:
    1. Giovanni Diana
    2. B. Semihcan Sermet
    3. David A. DiGregorio
    This article has been curated by 1 group:
    • Curated by eLife

      eLife assessment

      In their study, Diana et al. introduce a novel method for spike inference from calcium imaging data using a Monte Carlo-based approach, emphasizing the quantification of uncertainties in spike time estimates through a Bayesian framework. This method employs particle Gibbs sampling for estimating model parameter probabilities, offering accuracy comparable to existing methods with the added benefit of directly assessing uncertainties. Although the paper provides a solid methodological explanation, it lacks a thorough comparison with other inference methods. Nevertheless, it presents a valuable advancement for neuroscientists interested in new approaches for parameter estimation from calcium imaging data.

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    This article has 3 evaluationsAppears in 1 listLatest version Latest activity
  14. Complementary cognitive roles for D2-MSNs and D1-MSNs during interval timing

    This article has 10 authors:
    1. Robert A Bruce
    2. Matthew Weber
    3. Alexandra Bova
    4. Rachael Volkman
    5. Casey Jacobs
    6. Kartik Sivakumar
    7. Hannah Stutt
    8. Youngcho Kim
    9. Rodica Curtu
    10. Kumar Narayanan
    This article has been curated by 1 group:
    • Curated by eLife

      eLife Assessment

      This valuable study examines the activity and function of dorsomedial striatal neurons in the estimation of time. The authors examine striatal activity as a function of time as well as the impact of optogenetic striatal manipulation on the animal's ability to estimate a time interval, providing solid evidence for their claims. The study could be further strengthened with a more rigorous characterization of activity and a stronger connection between their proposed model and the experimental data. The work will be of interest to neuroscientists examining how striatum contributes to behavior.

    Reviewed by eLife

    This article has 15 evaluationsAppears in 1 listLatest version Latest activity
  15. Large-scale characterization of drug mechanism of action using proteome-wide thermal shift assays

    This article has 8 authors:
    1. Jonathan G Van Vranken
    2. Jiaming Li
    3. Julian Mintseris
    4. Ting-Yu Wei
    5. Catherine M Sniezek
    6. Meagan Gadzuk-Shea
    7. Steven P Gygi
    8. Devin K Schweppe
    This article has been curated by 1 group:
    • Curated by eLife

      eLife Assessment

      The study provides a valuable showcase of a workflow to perform large-scale characterization of drug mechanisms of action using proteomics in which on-target and off-targets of 166 compounds using proteome solubility analysis in living cells and cell lysates were determined. The evidence supporting the claims of the authors is solid, however, the inclusion of more replicate experiments and more statistical rigor would have strengthened the study. This will be of broad interest to medicinal chemists, toxicologists, computational biologists and biochemists.

    Reviewed by PREreview, eLife

    This article has 9 evaluationsAppears in 2 listsLatest version Latest activity
  16. Spontaneous activity of striatal projection neurons supports maturation of striatal inputs to substantia nigra dopaminergic neurons

    This article has 8 authors:
    1. Bojana Kokinovic
    2. Patricia Seja
    3. Angelica Donati
    4. Maria Ryazantseva
    5. Alban de Kerchove d’Exaerde
    6. Serge N. Schiffmann
    7. Tomi Taira
    8. Svetlana M. Molchanova
    This article has been curated by 1 group:
    • Curated by eLife

      eLife assessment

      This valuable study describes early postnatal compartmental differences in the functional maturation of striatal projection neurons. It explores how the postnatal activity of these neurons may determine the GABAergic innervation of dopaminergic neurons in the adult substantia nigra pars compacta. While the functional characterization of striatal neuron development is solid, analysis of how early postnatal activity of striatal projection neurons shapes their functional innervation of dopaminergic neurons is incomplete.

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    This article has 5 evaluationsAppears in 1 listLatest version Latest activity
  17. Role of N343 glycosylation on the SARS-CoV-2 S RBD structure and co-receptor binding across variants of concern

    This article has 7 authors:
    1. Callum M Ives
    2. Linh Nguyen
    3. Carl A Fogarty
    4. Aoife M Harbison
    5. Yves Durocher
    6. John Klassen
    7. Elisa Fadda
    This article has been curated by 1 group:
    • Curated by eLife

      eLife assessment

      This study presents an important finding on the structural role of glycosylation at position N343 of the SARS-CoV-2 spike protein's receptor-binding domain in maintaining its stability, with implications across different variants of concern. The evidence supporting the claims of the authors is convincing, since appropriate and validated methodology in line with current state-of-the-art has been approached. The work will be of interest to evolutionary virologists.

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    This article has 9 evaluationsAppears in 1 listLatest version Latest activity
  18. Deletion of sulfate transporter SUL1 extends yeast replicative lifespan via reduced PKA signaling instead of decreased sulfate uptake

    This article has 7 authors:
    1. Juan Long
    2. Meng Ma
    3. Yuting Chen
    4. Bo Gong
    5. Yi Zheng
    6. Hao Li
    7. Jing Yang
    This article has been curated by 1 group:
    • Curated by eLife

      eLife assessment

      The study by Long et al. presents valuable findings on the role of the SUL1 gene in yeast longevity, proposing that lifespan extension can occur through signaling pathways independent of its sulfate transport function, offering new insights into aging mechanisms with potential implications beyond yeast biology. However, the evidence supporting the uncoupling of SUL1's transport and signaling functions is inadequate, relying on limited lifespan analysis without measurements for nutrients and nutrient signaling status. This research is of particular interest to the aging research community, although additional experiments are needed to fully substantiate the claims.

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    This article has 5 evaluationsAppears in 1 listLatest version Latest activity
  19. The geometric basis of epithelial convergent extension

    This article has 5 authors:
    1. Fridtjof Brauns
    2. Nikolas H Claussen
    3. Matthew F Lefebvre
    4. Eric F Wieschaus
    5. Boris I Shraiman
    This article has been curated by 1 group:
    • Curated by eLife

      eLife assessment

      This important study analyzes in an original way how tension pattern dynamics can reveal the contribution of active versus passive intercalation during tissue elongation. The authors develop a compelling, elegant analytical framework (isogonal tension decomposition) to disentangle the passive (adjacent tissues pulling) and active (local tension anisotropy) contributions to intercalation events. This allows the generation of global maps of tissue mechanics that will be extremely helpful in the field of biomechanics.

    Reviewed by eLife

    This article has 6 evaluationsAppears in 1 listLatest version Latest activity
  20. S-acylation of NLRP3 provides a nigericin sensitive gating mechanism that controls access to the Golgi

    This article has 2 authors:
    1. Daniel M Williams
    2. Andrew A Peden
    This article has been curated by 1 group:
    • Curated by eLife

      eLife assessment

      This important paper implicates S-acylation of Cys-130 in recruitment of the inflammasome receptor NLRP3 to the Golgi, and it provides convincing evidence that S-acylation plays a key role in response to the stress induced by nigericin treatment. While Cys-130 does seem to play a previously unappreciated role in membrane association of NLRP3, further work will be needed to clarify the details of the mechanism.

    Reviewed by eLife

    This article has 6 evaluationsAppears in 1 listLatest version Latest activity