Lab Mitglieder

MA-Foto John Heiker_freigestellt
PD Dr. Dr. John Heiker

Group Leader of Molecular Obesity Research, HI-MAG

Profil anzeigen
Helen Broghammer

Doctoral Researcher, Heiker Lab

IMG_2400_Juliane Weiner_edit crop
Dr. Juliane Weiner

Clinician Scientist

MA-Foto Claudia Gebhardt - freigestellt
Claudia Gebhardt

Technician, Heiker Lab

Alumni of the Heiker Lab

  • Jenny Busch, M.Sc. (2025)
  • Inka Rapöhn, PhD cand., M.Sc., student assistant (2019-2024)
  • Kevin Möhlis, PhD (2021-2024)
  • Maren Wiermann, M.Sc., student assistant (2022-2024)
  • Rachel Zimmer, M.Sc., student assistant (2023-2024)
  • Lukas Schneider, student assistant (2023-2024)
  • Anna Moormann, M.Sc., student assistant (2022-2023)
  • Isabel Sandner, M.Sc. (2023)
  • Michael Schneekönig, M.Sc. (2023)
  • Andrine Frank, student assistant (2022-2023)
  • Lisa Christen, PhD (2020-2023)
  • Sebastian Dommel, PostDoc (2022-2023)
  • Aleix Ribas-Latre, PostDoc (2020-2023)
  • Hanna Scheffold, B.Sc. (2022)
  • Catherine Tindall, PhD (2017-2021)
  • Sophie Rehme, M.Sc. (2021)
  • Helen Broghammer, B.Sc. (2021)
  • Sandra Kuhn, M.Sc. (2021)
  • Nicolas Mytzka, M.Sc. (2020)
  • Estelle Erkner, M.Sc. (2019)
  • Benjamin Fritz, M.Sc. (2019)
  • Lisa Volke, M.Sc. (2019)
2026 Molecular Metabolism

Hagemann T, Hoffmann A, Rohde-Zimmermann K, Broghammer H, Massier L, Kovacs P, Stumvoll M, Blüher M, Heiker JT, Weiner J

Diet and temperature interactively impact brown adipose tissue gene regulation controlled by DNA methylation.
2025 Nature Communications, 16:11075.

Rapöhn I, Broghammer H, Hoffmann A, Möhlis K, Moormann A, Kaczmarek I, Thor D, Großkopf H, Krieg L, Karkossa I, Schubert K, von Bergen M, Krause K, Breitfeld J, Kovacs P, Klöting N, Nuwayhid R, Langer S, Ghosh A, Wolfrum C, Stumvoll M, Blüher M, Heiker JT, Weiner J

Inhibition of adipocyte lipolysis by vaspin impairs thermoregulation in vivo
2025 FEBS Journal, doi:10.1111/febs.70270

Möhlis K, Useini A, Bonin S, Betat H, Bonin S, Broghammer H, Nuwayhid R, Langer S, Mörl M, Sträter N, Heiker JT

Vaspin identified as a DNA-binding serpin with structural insights and functional consequences for protease inhibition
2025 Metabolism, 168:156239

Ribas-Latre A, Hoffmann A, Gebhardt C, Weiner J, Arndt L, Raulien N, Gericke M, Gosh A, Krause K, Klöting N, Pfluger PT, Sheikh BN, Ebert T, Tönjes A, Stumvoll M, Wolfrum C, Blüher M, Wagner U, Vendrell J, Fernández-Veledo S, Heiker JT

The serine protease KLK7 promotes immune cell infiltration in visceral adipose tissue in obesity.
2023 FEBS Journal, 291(10):2134-2154.

Tindall CA, Möhlis K, Rapöhn I, Dommel S, Riedl V, Schneekönig M, Höfling C, Roßner S, Stichel J, Beck-Sickinger AG, Weiner J, Heiker JT

LRP1 is the cell‐surface endocytosis receptor for vaspin in adipocytes
2023 Frontiers in Endocrinology, 14:1146454

Rapöhn I, Elias I, Weiner J, Pujol A, Kehr S, Chadt A, Al-Hasani H, Burkhard R, Klöting N, Stumvoll M, Bosch F, Kovacs P, Heiker JT, Breitfeld J

Overexpressing High Levels of Human Vaspin Limits High Fat Diet-Induced Obesity and Enhances Energy Expenditure in a Transgenic Mouse
2022 Clinical and Translational Medicine, 12:e1108

Christen L, Broghammer H, Rapöhn I, Möhlis K, Strehlau C, Ribas-Latre A, Gebhardt C, Roth L, Krause K, Landgraf K, Körner A, Rohde-Zimmermann K, Hoffmann A, Klöting N, Ghosh A, Sun W, Dong H, Wolfrum C, Rassaf T, Hendgen-Cotta U, Stumvoll M, Blüher M, Heiker JT, Weiner J

Myoglobin-Mediated Lipid Shuttling Increases Adrenergic Activation of Brown and White Adipocyte Metabolism and is as a Marker of Thermogenic Adipocytes in Humans
2018 Cellular and Molecular Life Sciences, 75(4):727-742

Zieger K, Weiner J, Kunath A, Gericke M, Krause K, Kern M, Stumvoll M, Klöting N, Blüher M, Heiker JT

Ablation of Kallikrein 7 (KLK7) in Adipose Tissue Ameliorates Metabolic Consequences of High-Fat Diet-Induced Obesity by Counteracting Adipose Tissue Inflammation in vivo.
2017 Molecular Metabolism, 6(6): 482–493

Weiner J, Rohde K, Krause K, Zieger K, Klöting N, Kralisch S, Kovacs P, Stumvoll M, Blüher M, Böttcher, Y, Heiker JT

Brown Adipose Tissue (BAT) Specific Vaspin Expression is Increased after Obesogenic Diets and Cold Exposure and Linked to Acute Changes in DNA-Methylation.
2013 Cellular and Molecular Life Sciences, 70(14): 2569–2583

Heiker JT, Klöting N, Kovacs P, Küttner EB, Sträter N, Schultz S, Kern M, Stumvoll M, Blüher M, Beck-Sickinger AG

Vaspin Inhibits Kallikrein 7 by Serpin Mechanism

Kontakt Heiker-Lab

MA-Foto John Heiker_freigestellt
PD Dr. Dr. John Heiker

Group Leader of Molecular Obesity Research, HI-MAG

Leipzig

Profil anzeigen

MA-Foto Claudia Gebhardt - freigestellt
Claudia Gebhardt

Technician, Heiker Lab

Leipzig

Kooperations Partner