A

Same-section spatial metabolo-transcriptomics using Stereo-meta-seq reveals DHA-driven kidney maturation

bioRxiv (Cold Spring Harbor Laboratory)

Abstract

Abstract A central unresolved question in developmental biology is whether local metabolites merely accompany, or actively instruct, tissue maturation. Addressing this question requires direct spatial coupling of metabolic states with genome-wide transcriptional programs in situ at high spatial resolution, which existing approaches do not readily achieve. Here, we introduce Stereo-meta-seq, a workflow that integrates quantitative MALDI-MSI with Stereo-seq spatial transcriptomics within a single tissue section. A conductive adapter was designed to overcome the electrical incompatibility of non-conductive Stereo-seq chips with vacuum MALDI platforms, improving efficiency of MSI detection that preserves RNA integrity. MALDI laser-ablation marks are retained in downstream Stereo-seq data and serve as intrinsic fiducials for direct co-registration at 10 μm or 20 μm resolution, enabling fine grained spatial metabolite-transcript integration. Applying Stereo-meta-seq to human kidney development, we uncover selective enrichment of docosahexaenoic acid (DHA) in maturing proximal tubules. Functional studies in human kidney organoids demonstrate that DHA activates PPARα-and HNF4α-driven transcriptional programs and promotes proximal tubule maturation in vitro and after transplantation in vivo . These findings identify lipid metabolism as an instructive regulator of human nephrogenesis and establish Stereo-meta-seq as a practical platform for dissecting metabolite–gene coupling and tissue heterogeneity in situ .

Authors 15

  1. Leiden University · Leiden University Medical Center · Novo Nordisk Foundation Center for Stem Cell Medicine

    Affiliation as printed

    Department of Internal Medicine (Nephrology) & Einthoven Laboratory of Vascular and Regenerative Medicine, Leiden University Medical Center, Leiden, The Netherlands

    The Novo Nordisk Foundation Center for Stem Cell Medicine (reNEW), Leiden University Medical Center, Leiden, The Netherlands

  2. Center for Excellence in Molecular Cell Science · University of Chinese Academy of Sciences · State Key Laboratory of Cell Biology

    Affiliation as printed

    State Key Laboratory of Cell Biology, CAS Center for Excellence in Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai 200031, China

  3. Fudan University · Children's Hospital of Fudan University

    Affiliation as printed

    Department of Nephrology, Children’s Hospital of Fudan University, Shanghai, China and Shanghai Kidney Development and Pediatric Kidney Disease Research Center, Shanghai, China

  4. Leiden University · Leiden University Medical Center · Novo Nordisk Foundation Center for Stem Cell Medicine

    Affiliation as printed

    Department of Internal Medicine (Nephrology) & Einthoven Laboratory of Vascular and Regenerative Medicine, Leiden University Medical Center, Leiden, The Netherlands

    The Novo Nordisk Foundation Center for Stem Cell Medicine (reNEW), Leiden University Medical Center, Leiden, The Netherlands

  5. Leiden University · Leiden University Medical Center · Novo Nordisk Foundation Center for Stem Cell Medicine

    Affiliation as printed

    Department of Internal Medicine (Nephrology) & Einthoven Laboratory of Vascular and Regenerative Medicine, Leiden University Medical Center, Leiden, The Netherlands

    The Novo Nordisk Foundation Center for Stem Cell Medicine (reNEW), Leiden University Medical Center, Leiden, The Netherlands

  6. Westlake University

    Affiliation as printed

    Department of Chemistry, School of Science, Westlake University, Hangzhou 310024, Zhejiang, China

    School of Life Sciences, Westlake University, Hangzhou 310024, Zhejiang, China

  7. Leiden University Medical Center · Novo Nordisk Foundation Center for Stem Cell Medicine

    Affiliation as printed

    Department of Anatomy and Embryology, Leiden University Medical Center, Leiden, The Netherlands

    The Novo Nordisk Foundation Center for Stem Cell Medicine (reNEW), Leiden University Medical Center, Leiden, The Netherlands

  8. National University of Singapore · Duke-NUS Medical School

    Affiliation as printed

    Signature Research Program in Cardiovascular and Metabolic Disorders, Duke-National University of Singapore Medical School, Singapore 169857, Singapore

  9. Leiden University Medical Center · Novo Nordisk Foundation Center for Stem Cell Medicine

    Affiliation as printed

    Center of Proteomics and Metabolomics, Leiden University Medical Center, Leiden, The Netherlands

    The Novo Nordisk Foundation Center for Stem Cell Medicine (reNEW), Leiden University Medical Center, Leiden, The Netherlands

  10. Leiden University Medical Center · Novo Nordisk Foundation Center for Stem Cell Medicine

    Affiliation as printed

    Center of Proteomics and Metabolomics, Leiden University Medical Center, Leiden, The Netherlands

    The Novo Nordisk Foundation Center for Stem Cell Medicine (reNEW), Leiden University Medical Center, Leiden, The Netherlands

  11. Leiden University · Leiden University Medical Center · Novo Nordisk Foundation Center for Stem Cell Medicine

    Affiliation as printed

    Department of Internal Medicine (Nephrology) & Einthoven Laboratory of Vascular and Regenerative Medicine, Leiden University Medical Center, Leiden, The Netherlands

    The Novo Nordisk Foundation Center for Stem Cell Medicine (reNEW), Leiden University Medical Center, Leiden, The Netherlands

  12. Leiden University · Leiden University Medical Center · Novo Nordisk Foundation Center for Stem Cell Medicine

    Affiliation as printed

    Department of Internal Medicine (Nephrology) & Einthoven Laboratory of Vascular and Regenerative Medicine, Leiden University Medical Center, Leiden, The Netherlands

    The Novo Nordisk Foundation Center for Stem Cell Medicine (reNEW), Leiden University Medical Center, Leiden, The Netherlands

  13. Center for Excellence in Molecular Cell Science · University of Chinese Academy of Sciences · State Key Laboratory of Cell Biology

    Affiliation as printed

    State Key Laboratory of Cell Biology, CAS Center for Excellence in Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai 200031, China

  14. Leiden University · Leiden University Medical Center · Novo Nordisk Foundation Center for Stem Cell Medicine

    Affiliation as printed

    Department of Internal Medicine (Nephrology) & Einthoven Laboratory of Vascular and Regenerative Medicine, Leiden University Medical Center, Leiden, The Netherlands

    The Novo Nordisk Foundation Center for Stem Cell Medicine (reNEW), Leiden University Medical Center, Leiden, The Netherlands

  15. Fudan University · Children's Hospital of Fudan University

    Affiliation as printed

    Children’s Hospital of Fudan University and the Shanghai Key Laboratory of Medical Epigenetics, Institutes of Biomedical Sciences, Fudan University, Shanghai, China

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