Gustavo Barra
Base by Base
Base by Base explores advances in genetics and genomics, with a focus on gene-disease associations, variant interpretation, protein structure, and insights from exome and genome sequencing. Each episode breaks down key studies and their clinical relevance—one base at a time. Powered by AI, Base by Base offers a new way to learn on the go. Special thanks to authors who publish under CC BY 4.0, making open-access science faster to share and easier to explore.
Husk å besøke podkastens nettsted og støtte skaperen: basebybase.com
Forfatter
Gustavo Barra
Kategori
Podkastens nettsted
Siste episode
6. okt 2026
Hvor kan du lytte?
Podkaster i appen Replaio Radio Kommer snartPodkaster kommer snart til appen. Installer nå, og bli den første som ser en helt ny tilnærming til podkaster
Episoder
116: Silent but Stalling: A Synonymous mtDNA Variant Shapes CD8+ T Cells 24.08.2025 15:53
Lareau CA et al., PNAS - Single-cell multiomic profiling identifies a mosaic synonymous mtDNA variant (m.7076A>G) in MT-CO1 that is selectively depleted in CD8+ effector memory T cells. Mechanistic assays show the variant forces wobble decoding, stalls mitochondrial ribosomes, and impairs differentiation of high-demand effector T cells. Key terms: mitochondria, synonymous mutation, mtDNA, CD8+...
115: Neurofibromin, KRAS, and new targets for NF1 tumors 24.08.2025 15:24
Vasudevan HN et al., PNAS - CRISPRi, transcriptomic and proteomic profiling in peripheral nervous system cell models reveal how NF1 loss rewires Ras signaling, alters MEK inhibitor response, and nominates KRAS as a direct neurofibromin effector and therapeutic target. Key terms: neurofibromin, NF1 loss, KRAS, MEK inhibitor, SHP2 SOS2 compensation. Study Highlights: Repressing NF1 in immortalized p...
114: One-hour extraction-free LAMP HPV test for point-of-care screening 22.08.2025 16:31
Barra MJ et al et al., Nature Communications (2025) 16:7295 - This study reports development and analytic evaluation of an extraction-free DARQ LAMP assay detecting HPV16, HPV18, and HPV45 plus a cellular control with a <1 hour sample-to-answer workflow on a low-cost benchtop heater/fluorimeter. Clinical testing in Houston (n=38) and Maputo (n=191) showed 100% and 93% concordance, respectively,...
113: Joint cohort genomics cracks ultra‑rare disease cases 21.08.2025 22:08
Nadimpalli Kobren S et al., Nature Communications - The Undiagnosed Diseases Network (UDN) applied joint whole‑genome analysis across 4,236 individuals and introduced RaMeDiES, an analytical framework to prioritize genes by de novo recurrence and compound heterozygosity while integrating intronic splice predictions and experimental validation. The work recapitulated known diagnoses, identified new...
112: Local Genetic Sex Differences in Quantitative Traits 20.08.2025 21:16
️ Episode 112: Local Genetic Sex Differences in Quantitative Traits In this episode of PaperCast Base by Base, we explore how genetic differences between males and females are distributed across the genome, moving beyond global averages of heritability and correlation. The study introduces a fine-scale approach using LAVA to examine local genetic sex differences across 157 quantitative traits in t...
111: HANCOCK: Multimodal Dataset for Precision Oncology in Head and Neck Cancer 19.08.2025 17:06
Dörrich M et al., Nature Communications - This episode summarizes HANCOCK, a monocentric multimodal dataset of 763 head and neck cancer patients combining demographics, structured pathology and blood data, surgery reports, whole-slide images (WSIs) and tissue microarrays (TMAs). The paper demonstrates that multimodal machine learning and multiple instance learning with histopathology foundation mo...
110: Rare coding variants implicate STAG1 and ZNF136 in schizophrenia 18.08.2025 20:31
Chick SL et al et al., Nature Communications - Largest exome-sequencing meta-analysis to date (28,898 cases, 103,041 controls, 3,444 trios) identifies STAG1 and ZNF136 at exome-wide significance and six additional genes at FDR<5%, highlighting roles for chromatin organisation and GABAergic signalling. Key terms: schizophrenia, rare coding variants, STAG1, SLC6A1, whole-exome sequencing. Study H...
109: Autocrine Interferon Poisoning: ADAR1–BRCA Synthetic Lethality 17.08.2025 18:10
️ Episode 109: Autocrine Interferon Poisoning: ADAR1–BRCA Synthetic Lethality In this episode of PaperCast Base by Base, we explore how loss of the RNA editor ADAR1 becomes lethal to BRCA1/2‑mutant cancer cells through a tumor‑cell‑autonomous interferon response, outlining a biomarker‑guided path to ADAR1‑targeted therapy. Study Highlights: A focused PRR siRNA screen and multiple orthogonal valida...
108: Epigenome Editing Reverses HBG Silencing 16.08.2025 20:53
Bell HW et al et al., Nature Communications - This study shows that CpG methylation at proximal HBG promoters causally enforces perinatal silencing and that targeted epigenome editing can reverse that silencing in cell models and primary erythroblasts. UHRF1 and the methyl-CpG reader MBD2 are key mediators of repression. Key terms: HBG, CpG methylation, UHRF1, MBD2, epigenome editing. Study Highli...
107: Host genetics of endodontic infections: FinnGen GWAS 15.08.2025 19:07
Salminen A et al., Nature Communications - A large GWAS in 485,230 FinnGen participants (132,124 cases) identified genetic loci associated with pulpal and apical diseases. The study highlights strong signals near HORMAD2 on chromosome 22 and multiple signals in the HLA class II region, links top variants to immune and antigen-presentation pathways, and reports replication in independent cohorts. K...
106: Decoding Cortical Transcriptomes: GABAA Subunit Classes and Pharmacotranscriptomics 14.08.2025 19:25
Ecker C et al., Nature Communications - This episode reviews a study that develops a surface-based, vertex-level framework for genome-wide imaging transcriptomics using spatial interpolation of the Allen Human Brain Atlas, validates the approach against serotonergic PET maps, and applies it to dissect GABAA-receptor subunit expression and link transcriptomic signatures to cortical thickness patter...
105: When Tumors Go Neutral: Genome-Level Selection and Resistance 13.08.2025 18:28
Persi E et al., Nature Communications - This episode unpacks a multi-cohort study showing that tumors evolving toward neutral genome-level selection (dN/dS ≈ 1) during or after therapy are associated with treatment resistance and poorer outcomes. Key terms: tumor evolution, dN/dS, neutral evolution, treatment resistance, whole-exome sequencing. Study Highlights: The authors analyzed paired whole-e...
104: Cross-population GWAS and proteomics improve risk prediction and reveal mechanisms in atrial fibrillation 12.08.2025 16:56
Cross-population GWAS and proteomics improve risk prediction and reveal mechanisms in atrial fibrillation Music: Enjoy the music based on this article at the end of the episode. Support: Base by Base is independent and ad-free — no sponsors, no paywall. If an episode was worth your time, chip in and keep the papers audited and the original songs coming: ❤️ Support monthly: https://buy.stripe.com/c...
103: Genome Sequencing Forecasts Outcomes After Congenital Cardiac Surgery 11.08.2025 17:56
Genome Sequencing Forecasts Outcomes After Congenital Cardiac Surgery Music: Enjoy the music based on this article at the end of the episode. Support: Base by Base is independent and ad-free — no sponsors, no paywall. If an episode was worth your time, chip in and keep the papers audited and the original songs coming: ❤️ Support monthly: https://buy.stripe.com/cNifZhclVebvagk2JDgEg01 ☕ One-time d...
102: Clinical Impact of Pharmacogenetic Risk Variants in a Large Chinese Cohort 10.08.2025 14:38
Clinical Impact of Pharmacogenetic Risk Variants in a Large Chinese Cohort Music: Enjoy the music based on this article at the end of the episode. Support: Base by Base is independent and ad-free — no sponsors, no paywall. If an episode was worth your time, chip in and keep the papers audited and the original songs coming: ❤️ Support monthly: https://buy.stripe.com/cNifZhclVebvagk2JDgEg01 ☕ One-t...
101: JAK2 Inhibition Selects RAS-Mutant Clones in Myelofibrosis 09.08.2025 18:25
JAK2 Inhibition Selects RAS-Mutant Clones in Myelofibrosis Music: Enjoy the music based on this article at the end of the episode. Support: Base by Base is independent and ad-free — no sponsors, no paywall. If an episode was worth your time, chip in and keep the papers audited and the original songs coming: ❤️ Support monthly: https://buy.stripe.com/cNifZhclVebvagk2JDgEg01 ☕ One-time donation: ht...
100: ALMA: Epigenomic diagnosis & prognosis of AML 08.08.2025 14:44
Marchi F et al., Nature Communications - This study builds the Acute Leukemia Methylome Atlas (ALMA) from 3,314 patient methylomes and presents three models—ALMA Subtype, AML Epigenomic Risk, and a 38‑CpG signature—that classify WHO2022 subtypes and predict 5‑year survival. The authors also demonstrate a nanopore-based specimen‑to‑result workflow for combined genome and epigenome profiling. Key te...
99: NXT2: a testis-specific RNA export hub essential for human spermatogenesis 07.08.2025 14:36
Dicke A-K et al., Nature Communications - Proteomics, molecular and genetic analyses identify NXT2 as the predominant NXT protein in the human testis that binds NXF1, NXF2 and NXF3 and associates with nucleoporins. Loss-of-function variants in NXT2 are linked to azoospermia with Sertoli cell-only testes, while an NXF3 LoF causes severe sperm defects. Key terms: NXT2, NXF3, RNA export, azoospermia,...
98: Cell Marker Accordion: Interpretable Single-Cell & Spatial Annotation 06.08.2025 19:20
Busarello E et al., Nature Communications - This episode covers the Cell Marker Accordion, an integrated marker database plus R package and Shiny app that weights marker genes by specificity and evidence consistency to deliver faster, more accurate and interpretable cell-type annotations in single-cell and spatial datasets, including disease contexts. Key terms: single-cell, spatial-omics, cell-ty...
️ 97: Pancreatic Cancer Genomics: Insights from the COMPASS Trial 05.08.2025 21:43
️ Episode 97: Pancreatic Cancer Genomics: Insights from the COMPASS Trial In this episode of PaperCast Base by Base, we explore how integrated whole genome and transcriptome sequencing uncovers clinically relevant subtypes and molecular features in advanced pancreatic ductal adenocarcinoma (PDAC). Study Highlights: The COMPASS trial profiled 268 advanced PDAC patients, generating whole genome and...
️ 96: Early Cerebrospinal Fluid Proteomic Changes in Down Syndrome and Alzheimer’s Disease 04.08.2025 16:39
️ Episode 96: Early Cerebrospinal Fluid Proteomic Changes in Down Syndrome and Alzheimer’s Disease In this episode of PaperCast Base by Base, we explore a large-scale proteomic study comparing cerebrospinal fluid (CSF) profiles in individuals with Down Syndrome (DS), late-onset Alzheimer’s disease (LOAD), and autosomal dominant Alzheimer’s disease (ADAD). This study uncovers unique and shared mole...
95: Mitochondria transfer: biotech strategies and clinical hurdles 03.08.2025 19:10
Kubat GB et al., Nature Communications - This Perspective surveys recent biotechnological advances that enhance mitochondria transfer and transplantation (MTT) — including surface functionalization, extracellular and engineered vesicles, hydrogels and nanomotors — and evaluates their therapeutic promise and limitations across cardiac, neural and other models. Key terms: mitochondrial transplantati...
94: Intraindividual epigenetic heterogeneity in advanced prostate cancer 02.08.2025 20:29
Mizuno K et al., Nature Communications - Multi-omic profiling (DNA methylation, RNA-seq, H3K27ac and H3K27me3) of 98 metastatic CRPC samples from 35 patients reveals patient-specific epigenetic signatures and methylation-driven regulation of lineage genes and therapeutic targets. Integrative analyses identify >21,000 region–gene links and highlight intraindividual heterogeneity including double...
93: Bovine H5N1 Shows Neurovirulence in Mice 01.08.2025 19:01
Tipih T et al., Nature Communications - Comparative mouse study finds a dairy-cow-derived H5N1 clade 2.3.4.4b (genotype B3.13) isolate is highly virulent, producing rapid respiratory failure, systemic spread, and neurologic disease with high lung and brain viral loads and inflammatory responses. Key terms: H5N1, clade 2.3.4.4b, bovine isolate, neuroinvasion, mouse model. Study Highlights: Research...
92: Loss of CFHR5 Function Lowers AMD Risk 31.07.2025 16:49
Nature Communications - A FinnGen-based genetic and functional study identifies CFHR5 loss-of-function variants as independently protective against age-related macular degeneration and links reduced FHR-5 to altered complement activity and preserved photoreceptor structure. Key terms: CFHR5, age-related macular degeneration, FinnGen, complement system, FHR-5. Study Highlights: A GWAS and fine-mapp...
Lignende podkaster
Replaio er ikke podkastutgiver; programnavn, omslag og lyd tilhører opphavspersonene og distribueres via offentlige RSS-feeder.