Group Milena Schuhmacher

From Lipid Diversity to Cellular Function - Chemical Tools to Investigate Lipid Biology

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The Question

Lipids are essential building blocks of cells and powerful signaling molecules, yet we still have much to learn about how their diversity is controlled and interpreted. How do cells establish and maintain lipid homeostasis? How does lipid composition shape cellular function, and how are changes in lipids translated into signals? We aim to uncover the fundamental principles that govern lipid organization, signaling and function in cells.

The Approach

We use lipid chemical biology to understand how the composition, organization and dynamics of lipids shape cellular function. We develop and apply chemical tools to manipulate, visualize and study individual lipid species with high spatial and temporal precision. By combining synthetic chemistry with cell biology and advanced imaging, we connect lipid chemistry to molecular interactions, signaling pathways and cellular processes.

Biography

Milena studied Chemistry at the Universities of Heidelberg and Auckland. In 2015, she joined André Nadler’s lab at MPI-CBG, Dresden, developing lipid probes to study lipid kinetics. Since 2021, she has led an independent lab at EPFL, studying lipid signaling and developing probes to track lipid delivery, localization and metabolism. In 2027, she joins the Max Perutz Labs as a group leader.
 

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Selected Publications

Machine Learning-Assisted Quantification of Organelle Abundance

2026 bio-protocol,  Vol 16, Iss 5
DOI: 10.21769/BioProtoc.5626

Long AJ, Candeias D, Coveña NF, Reymond L, Schuhmacher M, Kemp S, Hamilton N, Amen T.

Peroxisome Staining in Mammalian Cells Using Peroxisome-Specific Probes

2025 Journal of visualized experiments, Dec 19;(226)
DOI: 10.3791/69405

Howman C, Cohen T, Shlomy MY, van Aerle MS, Carmichael RE, Schuhmacher M, Reymond L, Zalckvar E, Kaganovich D, Amen T.

Quantitative imaging of lipid transport in mammalian cells

2025 Nature, Oct;646(8084):474-482.
DOI: 10.1038/s41586-025-09432-x

Iglesias-Artola JM, Böhlig K, Schuhmann K, Cook KC, Lennartz HM, Schuhmacher M, Barahtjan P, Jiménez López C, Šachl R, Garikapati V, Pombo-Garcia K, Lohmann A, Riegerová P, Hof M, Drobot B, Shevchenko A, Honigmann A, Nadler A.

Fluorescent fatty acid conjugates for live cell imaging of peroxisomes

2024 Nat Commun., May 21;15(1):4314.
DOI: 10.1038/s41467-024-48679-2

Korotkova D, Borisyuk A, Guihur A, Bardyn M, Kuttler F, Reymond L, Schuhmacher M, Amen T.

Quantifying single-cell diacylglycerol signaling kinetics after uncaging

2024 Biophys J., Mar 27;123(7):921-7
DOI: 10.1016/j.bpj.2024.03.031

Gonzales DT, Schuhmacher M, Lennartz HM, Iglesias-Artola JM, Kuhn SM, Barahtjan P, Zechner C, Nadler A.

Live-cell lipid biochemistry reveals a role of diacylglycerol side-chain composition for cellular lipid dynamics and protein affinities

2020 Proc Natl Acad Sci U S A. 2020 Apr 7;117(14):7729-7738.
DOI: 10.1073/pnas.1912684117

Schuhmacher M, Grasskamp AT, Barahtjan P, Wagner N, Lombardot B, Schuhmacher JS, Sala P, Lohmann A, Henry I, Shevchenko A, Coskun Ü, Walter AM, Nadler A.

A Coumarin Triflate Reagent Enables One-Step Synthesis of Photo-Caged Lipid Metabolites for Studying Cell Signaling

2019 Chemistry, Dec 5;25(68):15483-15487.
DOI: 10.1002/chem.201903909

Wagner N, Schuhmacher M, Lohmann A, Nadler A.

Quantifying single-cell diacylglycerol signaling kinetics after uncaging

2018 Angewandte Chemie International Edition, Vol. 57, num. 40, p. 13339 – 13343.
DOI: 10.1002/anie.201807497

Wagner, N., Stephan, M., Höglinger, D., & Nadler, A.

MinD-like ATPase FlhG effects location and number of bacterial flagella during C-ring assembly

2015 Proc Natl Acad Sci U S A. 2015 Mar 10;112(10):3092-7
DOI: 10.1073/pnas.1419388112

Schuhmacher JS, Rossmann F, Dempwolff F, Knauer C, Altegoer F, Steinchen W, Dörrich AK, Klingl A, Stephan M, Linne U, Thormann KM, Bange G.

Collaborations & Funding

SNF Collaborative project grant

Project title: “Organelle-Specific Diacylglycerol Signaling as a Driver and Therapeutic Target of Insulin Resistance”
with Francesca Amati (UNIL, Switzerland) and Bryan Bergman (University of Colorado, USA)
2027-2031

ERC Starting Grant

Project title: “LipID: Subcellular Lipid Atlas: Decoding Organelle Identity with Targeted Lipid Profiling”
2027-2031

Novartis Foundation for medical-biological Research

Project title: “Structural determinants of lipid signaling”
2024-2025

SNF Project grant

Project title: “Tracking the secrets of diacylglycerol transport and metabolism in the cell” (IC00I0-227891)
2024-2027

My ELISIR position is funded by the Fondation Bios and the Fondation Bryn Turner-Samuel

Since 2024

FBM-UNIL

Projet collaboratif (médecine de précision)
Since 2023

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