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  1. The Host-Microbiome Response to Hyperbaric Oxygen Therapy in Ulcerative Colitis Patients.

    Cellular and molecular gastroenterology and hepatology · 2022 · 14(1): 35-53

    Hyperbaric oxygen therapy (HBOT) is a promising treatment for moderate-to-severe ulcerative colitis. However, our current understanding of the host and microbial response to HBOT remains unclear. This study examined the molecular mechanisms underpinning HBOT using a multi-omic strategy. Pre- and …

    PMID 35378331 DOI ↗

  2. APEX Proximity Labeling of Stress Granule Proteins.

    Methods in molecular biology (Clifton, N.J.) · 2022 · 2428: 381-399

    Ascorbate peroxidase (APEX)-catalyzed proximity labeling has been recently established as a robust approach to uncover localized protein environments and transient protein-protein interactions occurring across mammalian cells. This molecular tool enables improved identification of individual proteins localized to and involved in …

    PMID 35171492 DOI ↗

  3. VPS13A and VPS13C Influence Lipid Droplet Abundance.

    Contact (Thousand Oaks (Ventura County, Calif.)) · 2022 · 5: 25152564221125613

    Lipid transfer proteins mediate the exchange of lipids between closely apposed membranes at organelle contact sites and play key roles in lipid metabolism, membrane homeostasis, and cellular signaling. A recently discovered novel family of lipid transfer proteins, which includes the …

    PMID 36147729 DOI ↗

  4. Aging RNA granule dynamics in neurodegeneration.

    Frontiers in molecular biosciences · 2022 · 9: 991641

    Disordered RNA-binding proteins and repetitive RNA sequences are the main genetic causes of several neurodegenerative diseases, including amyotrophic lateral sclerosis and Huntington's disease. Importantly, these components also seed the formation of cytoplasmic liquid-like granules, like stress granules and P bodies. …

    PMID 36188213 DOI ↗

  5. Metadensity: a background-aware python pipeline for summarizing CLIP signals on various transcriptomic sites.

    Bioinformatics advances · 2022 · 2(1): vbac083

    Cross-linking and immunoprecipitation (CLIP) is a technology to map the binding sites of RNA-binding proteins (RBPs). The region where an RBP binds within RNA is often indicative of its molecular function in RNA processing. As an example, the binding sites …

    PMID 36388152 DOI ↗

  6. Examination of the Cell Cycle Dependence of Cytosine and Adenine Base Editors.

    Frontiers in genome editing · 2022 · 4: 923718

    Base editors (BEs) are genome editing agents that install point mutations with high efficiency and specificity. Due to their reliance on uracil and inosine DNA damage intermediates (rather than double-strand DNA breaks, or DSBs), it has been hypothesized that BEs …

    PMID 35910415 DOI ↗

  7. Characterization of an RNA binding protein interactome reveals a context-specific post-transcriptional landscape of MYC-amplified medulloblastoma.

    Nature communications · 2022 · 13(1): 7506

    Pediatric medulloblastoma (MB) is the most common solid malignant brain neoplasm, with Group 3 (G3) MB representing the most aggressive subgroup. MYC amplification is an independent poor prognostic factor in G3 MB, however, therapeutic targeting of the MYC pathway remains …

    PMID 36473869 DOI ↗

  8. Prions induce an early Arc response and a subsequent reduction in mGluR5 in the hippocampus.

    Neurobiology of disease · 2022 · 172: 105834

    Synapse dysfunction and loss are central features of neurodegenerative diseases, caused in part by the accumulation of protein oligomers. Amyloid-β, tau, prion, and α-synuclein oligomers bind to the cellular prion protein (PrP<sup>C),</sup> resulting in the activation of macromolecular complexes and …

    PMID 35905927 DOI ↗

  9. RNA binding protein DDX5 directs tuft cell specification and function to regulate microbial repertoire and disease susceptibility in the intestine.

    Gut · 2022 · 71(9): 1790-1802

    Tuft cells residing in the intestinal epithelium have diverse functions. In the small intestine, they provide protection against inflammation, combat against helminth and protist infections, and serve as entry portals for enteroviruses. In the colon, they had been implicated in …

    PMID 34853057 DOI ↗

  10. Wastewater sequencing reveals early cryptic SARS-CoV-2 variant transmission.

    Nature · 2022 · 609(7925): 101-108

    As SARS-CoV-2 continues to spread and evolve, detecting emerging variants early is critical for public health interventions. Inferring lineage prevalence by clinical testing is infeasible at scale, especially in areas with limited resources, participation, or testing and/or sequencing capacity, which …

    PMID 35798029 DOI ↗

  11. Aberrant NOVA1 function disrupts alternative splicing in early stages of amyotrophic lateral sclerosis.

    Acta neuropathologica · 2022 · 144(3): 413-435

    Amyotrophic lateral sclerosis (ALS) is a fatal disease characterized by aberrant alternative splicing (AS). Nuclear loss and cytoplasmic accumulation of the splicing factor TDP-43 in motor neurons (MN) are hallmarks of ALS at late stages of the disease. However, it …

    PMID 35778567 DOI ↗

  12. Engineered U1 snRNAs to modulate alternatively spliced exons.

    Methods (San Diego, Calif.) · 2022 · 205: 140-148

    Alternative splicing accounts for a considerable portion of transcriptomic diversity, as most protein-coding genes are spliced into multiple mRNA isoforms. However, errors in splicing patterns can give rise to mis-splicing with pathological consequences, such as the congenital diseases familial dysautonomia, …

    PMID 35764245 DOI ↗

  13. Sentinel Cards Provide Practical SARS-CoV-2 Monitoring in School Settings.

    mSystems · 2022 · 7(4): e0010922

    A promising approach to help students safely return to in person learning is through the application of sentinel cards for accurate high resolution environmental monitoring of SARS-CoV-2 traces indoors. Because SARS-CoV-2 RNA can persist for up to a week on …

    PMID 35703436 DOI ↗

  14. Implementation of Practical Surface SARS-CoV-2 Surveillance in School Settings.

    mSystems · 2022 · 7(4): e0010322

    Surface sampling for SARS-CoV-2 RNA detection has shown considerable promise to detect exposure of built environments to infected individuals shedding virus who would not otherwise be detected. Here, we compare two popular sampling media (VTM and SDS) and two popular …

    PMID 35703437 DOI ↗

  15. AKT constitutes a signal-promoted alternative exon-junction complex that regulates nonsense-mediated mRNA decay.

    Molecular cell · 2022 · 82(15): 2779-2796.e10

    Despite a long appreciation for the role of nonsense-mediated mRNA decay (NMD) in destroying faulty, disease-causing mRNAs and maintaining normal, physiologic mRNA abundance, additional effectors that regulate NMD activity in mammalian cells continue to be identified. Here, we describe a …

    PMID 35675814 DOI ↗

  16. Pre-existing adaptive immunity to the RNA-editing enzyme Cas13d in humans.

    Nature medicine · 2022 · 28(7): 1372-1376

    RNA-guided RNA-targeting nucleases, such as CRISPR-Cas13 proteins, have therapeutic potential for gene editing. Among Cas13d enzymes, Cas13d from the bacteria Ruminococcus flavefaciens (RfxCas13d) is of particular interest owing to its small size and high specificity. However, the existence of pre-existing …

    PMID 35668177 DOI ↗

  17. The splicing factor RBM17 drives leukemic stem cell maintenance by evading nonsense-mediated decay of pro-leukemic factors.

    Nature communications · 2022 · 13(1): 3833

    Chemo-resistance in acute myeloid leukemia (AML) patients is driven by leukemic stem cells (LSCs) resulting in high rates of relapse and low overall survival. Here, we demonstrate that upregulation of the splicing factor, RBM17 preferentially marks and sustains LSCs and …

    PMID 35781533 DOI ↗

  18. Illuminating RNA biology through imaging.

    Nature cell biology · 2022 · 24(6): 815-824

    RNA processing plays a central role in accurately transmitting genetic information into functional RNA and protein regulators. To fully appreciate the RNA life-cycle, tools to observe RNA with high spatial and temporal resolution are critical. Here we review recent advances …

    PMID 35697782 DOI ↗

  19. MECP2-related pathways are dysregulated in a cortical organoid model of myotonic dystrophy.

    Science translational medicine · 2022 · 14(651): eabn2375

    Myotonic dystrophy type 1 (DM1) is a multisystem, autosomal-dominant inherited disorder caused by CTG microsatellite repeat expansions (MREs) in the 3' untranslated region of the dystrophia myotonica-protein kinase (<i>DMPK</i>) gene. Despite its prominence as the most common adult-onset muscular dystrophy, …

    PMID 35767654 DOI ↗

  20. SARS-CoV-2 Distribution in Residential Housing Suggests Contact Deposition and Correlates with <i>Rothia</i> sp.

    mSystems · 2022 · 7(3): e0141121

    Monitoring severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) on surfaces is emerging as an important tool for identifying past exposure to individuals shedding viral RNA. Our past work demonstrated that SARS-CoV-2 reverse transcription-quantitative PCR (RT-qPCR) signals from surfaces can identify …

    PMID 35575492 DOI ↗

  21. The long noncoding RNA Malat1 regulates CD8+ T cell differentiation by mediating epigenetic repression.

    The Journal of experimental medicine · 2022 · 219(6)

    During an immune response to microbial infection, CD8+ T cells give rise to short-lived effector cells and memory cells that provide sustained protection. Although the transcriptional programs regulating CD8+ T cell differentiation have been extensively characterized, the role of long …

    PMID 35593887 DOI ↗

  22. Author Correction: Expanded encyclopaedias of DNA elements in the human and mouse genomes.

    Nature · 2022 · 605(7909): E3

    PMID 35474001 DOI ↗

  23. Transcriptome-wide identification of RNA-binding protein binding sites using seCLIP-seq.

    Nature protocols · 2022 · 17(5): 1223-1265

    Discovery of interaction sites between RNA-binding proteins (RBPs) and their RNA targets plays a critical role in enabling our understanding of how these RBPs control RNA processing and regulation. Cross-linking and immunoprecipitation (CLIP) provides a generalizable, transcriptome-wide method by which …

    PMID 35322209 DOI ↗

  24. Nuclear and cytoplasmic poly(A) binding proteins (PABPs) favor distinct transcripts and isoforms.

    Nucleic acids research · 2022 · 50(8): 4685-4702

    The poly(A)-tail appended to the 3'-end of most eukaryotic transcripts plays a key role in their stability, nuclear transport, and translation. These roles are largely mediated by Poly(A) Binding Proteins (PABPs) that coat poly(A)-tails and interact with various proteins involved …

    PMID 35438785 DOI ↗

  25. Wastewater sequencing uncovers early, cryptic SARS-CoV-2 variant transmission.

    medRxiv : the preprint server for health sciences · 2022

    As SARS-CoV-2 continues to spread and evolve, detecting emerging variants early is critical for public health interventions. Inferring lineage prevalence by clinical testing is infeasible at scale, especially in areas with limited resources, participation, or testing/sequencing capacity, which can also …

    PMID 35411350 DOI ↗