IDEAS home Printed from https://ideas.repec.org/a/nat/natcom/v16y2025i1d10.1038_s41467-025-56620-4.html
   My bibliography  Save this article

Differential transport pathways of saturated and unsaturated fatty acid esters in male mouse hepatocytes

Author

Listed:
  • Fengwu Chen

    (Soochow University
    Tsinghua University)

  • Aizhen Yang

    (Soochow University)

  • Yue Lu

    (Soochow University)

  • Yuxin Zhang

    (Soochow University
    The Second Hospital of Hebei Medical University)

  • Jingyu Zhang

    (The Second Hospital of Hebei Medical University)

  • Jianan Bu

    (Soochow University)

  • Runlin Guo

    (Soochow University)

  • Yue Han

    (First Affiliated Hospital of Soochow University)

  • Depei Wu

    (First Affiliated Hospital of Soochow University)

  • Yi Wu

    (Soochow University
    First Affiliated Hospital of Soochow University)

Abstract

Saturated fatty acid (SFA) and unsaturated fatty acid (UFA) have distinct impacts on health. Whether SFA and UFA are differentially transported in liver remains elusive. Here, we find the secretion of UFA but not SFA esters is retarded in a male mouse hepatic endoplasmic reticulum (ER) stress model. Among 13 members of protein disulfide isomerase (PDI) family, only PDIA1 (PDI) deficiency leads to hepatosteatosis and hypolipidemia. In PDI-deficient male mouse liver, there is a severe accumulation but secretory blockade of UFA esters, whereas the accumulation and secretion of SFA esters remain normal. PDI catalyzes the oxidative folding of microsomal triglyceride transfer protein (MTP). In addition, PDI deficiency in hepatocytes abolishes Apolipoprotein B-100 (ApoB-100) very low-density lipoprotein (VLDL) secretion while maintaining partial ApoB-48 VLDL secretion. In summary, we find that the secretion of UFA esters is PDI-MTP indispensable, while SFA esters could be transferred out of liver via ApoB-48 VLDL through a PDI-MTP-independent pathway.

Suggested Citation

  • Fengwu Chen & Aizhen Yang & Yue Lu & Yuxin Zhang & Jingyu Zhang & Jianan Bu & Runlin Guo & Yue Han & Depei Wu & Yi Wu, 2025. "Differential transport pathways of saturated and unsaturated fatty acid esters in male mouse hepatocytes," Nature Communications, Nature, vol. 16(1), pages 1-17, December.
  • Handle: RePEc:nat:natcom:v:16:y:2025:i:1:d:10.1038_s41467-025-56620-4
    DOI: 10.1038/s41467-025-56620-4
    as

    Download full text from publisher

    File URL: https://www.nature.com/articles/s41467-025-56620-4
    File Function: Abstract
    Download Restriction: no

    File URL: https://libkey.io/10.1038/s41467-025-56620-4?utm_source=ideas
    LibKey link: if access is restricted and if your library uses this service, LibKey will redirect you to where you can use your library subscription to access this item
    ---><---

    References listed on IDEAS

    as
    1. Rajat Singh & Susmita Kaushik & Yongjun Wang & Youqing Xiang & Inna Novak & Masaaki Komatsu & Keiji Tanaka & Ana Maria Cuervo & Mark J. Czaja, 2009. "Autophagy regulates lipid metabolism," Nature, Nature, vol. 458(7242), pages 1131-1135, April.
    Full references (including those not matched with items on IDEAS)

    Most related items

    These are the items that most often cite the same works as this one and are cited by the same works as this one.
    1. Lin-lin Zhao & Ru Chen & Ziyu Bai & Junyi Liu & Yuhao Zhang & Yicheng Zhong & Meng-xiang Sun & Peng Zhao, 2024. "Autophagy-mediated degradation of integumentary tapetum is critical for embryo pattern formation," Nature Communications, Nature, vol. 15(1), pages 1-16, December.
    2. Wang Peng & Shu Chen & Jingyu Ma & Wenjie Wei & Naixin Lin & Jinchao Xing & Wenjing Guo & Heying Li & Liang Zhang & Kuiming Chan & Andrew Yen & Guangyu Zhu & Jianbo Yue, 2025. "Endosomal trafficking participates in lipid droplet catabolism to maintain lipid homeostasis," Nature Communications, Nature, vol. 16(1), pages 1-16, December.
    3. Hong Huang & Qinqin Ouyang & Min Zhu & Haijia Yu & Kunrong Mei & Rong Liu, 2021. "mTOR-mediated phosphorylation of VAMP8 and SCFD1 regulates autophagosome maturation," Nature Communications, Nature, vol. 12(1), pages 1-15, December.
    4. Elodie Mailler & Carlos M. Guardia & Xiaofei Bai & Michal Jarnik & Chad D. Williamson & Yan Li & Nunziata Maio & Andy Golden & Juan S. Bonifacino, 2021. "The autophagy protein ATG9A enables lipid mobilization from lipid droplets," Nature Communications, Nature, vol. 12(1), pages 1-19, December.
    5. Wenjun Wang & Junyang Tan & Xiaomin Liu & Wenqi Guo & Mengmeng Li & Xinjie Liu & Yanyan Liu & Wenyu Dai & Liubing Hu & Yimin Wang & Qiuxia Lu & Wen Xing Lee & Hong-Wen Tang & Qinghua Zhou, 2023. "Cytoplasmic Endonuclease G promotes nonalcoholic fatty liver disease via mTORC2-AKT-ACLY and endoplasmic reticulum stress," Nature Communications, Nature, vol. 14(1), pages 1-16, December.
    6. Guanlan Hu & Catriona Ling & Lijun Chi & Mehakpreet K. Thind & Samuel Furse & Albert Koulman & Jonathan R. Swann & Dorothy Lee & Marjolein M. Calon & Celine Bourdon & Christian J. Versloot & Barbara M, 2022. "The role of the tryptophan-NAD + pathway in a mouse model of severe malnutrition induced liver dysfunction," Nature Communications, Nature, vol. 13(1), pages 1-16, December.
    7. Youping Lin & Haixu Chen & Lei Wang & Jiaojiao Su & Junbo Li & Xin Huang, 2024. "Lipase activated endocytosis-like behavior of oil-in-water emulsion," Nature Communications, Nature, vol. 15(1), pages 1-12, December.
    8. Yun Seok Kim & Bongsub Ko & Da Jung Kim & Jihoon Tak & Chang Yeob Han & Joo-Youn Cho & Won Kim & Sang Geon Kim, 2022. "Induction of the hepatic aryl hydrocarbon receptor by alcohol dysregulates autophagy and phospholipid metabolism via PPP2R2D," Nature Communications, Nature, vol. 13(1), pages 1-19, December.
    9. Denisa Margină & Anca Ungurianu & Carmen Purdel & Dimitris Tsoukalas & Evangelia Sarandi & Maria Thanasoula & Fotios Tekos & Robin Mesnage & Demetrios Kouretas & Aristidis Tsatsakis, 2020. "Chronic Inflammation in the Context of Everyday Life: Dietary Changes as Mitigating Factors," IJERPH, MDPI, vol. 17(11), pages 1-27, June.
    10. Hejazi Keyvan & Fathi Mehrdad & Salkhord Mahsa & Dastani Maryam, 2021. "The Effect of Eight Weeks of Combined Training (Endurance-Intermittent Resistance and Endurance-Continuous Resistance) on Coagulation, Fibrinolytic and Lipid Profiles of Overweight Women," Polish Journal of Sport and Tourism, Sciendo, vol. 28(4), pages 3-9, December.
    11. Zhen Yuan & Kun Cai & Jiajia Li & Ruifeng Chen & Fuhai Zhang & Xuan Tan & Yaming Jiu & Haishuang Chang & Bing Hu & Weiyi Zhang & Binbin Ding, 2024. "ATG14 targets lipid droplets and acts as an autophagic receptor for syntaxin18-regulated lipid droplet turnover," Nature Communications, Nature, vol. 15(1), pages 1-18, December.
    12. King Hang Tommy Mau & Donja Karimlou & David Barneda & Vincent Brochard & Christophe Royer & Bryony Leeke & Roshni A. Souza & Mélanie Pailles & Michelle Percharde & Shankar Srinivas & Alice Jouneau & , 2022. "Dynamic enlargement and mobilization of lipid droplets in pluripotent cells coordinate morphogenesis during mouse peri-implantation development," Nature Communications, Nature, vol. 13(1), pages 1-13, December.
    13. Odeta Meçe & Diede Houbaert & Maria-Livia Sassano & Tania Durré & Hannelore Maes & Marco Schaaf & Sanket More & Maarten Ganne & Melissa García-Caballero & Mila Borri & Jelle Verhoeven & Madhur Agrawal, 2022. "Lipid droplet degradation by autophagy connects mitochondria metabolism to Prox1-driven expression of lymphatic genes and lymphangiogenesis," Nature Communications, Nature, vol. 13(1), pages 1-18, December.
    14. Xiaowei Sun & Jie Shen & Norbert Perrimon & Xue Kong & Dan Wang, 2023. "The endoribonuclease Arlr is required to maintain lipid homeostasis by downregulating lipolytic genes during aging," Nature Communications, Nature, vol. 14(1), pages 1-13, December.
    15. Tushar P. Patel & Joo Yun Jun & Arnold Y. Seo & Noah J. Levi & Diana M. Elizondo & Jocelyn Chen & Adrian M. Wong & Nicol Tugarinov & Elizabeth K. Altman & Daniel B. Gehle & Sun Min Jung & Pooja Patel , 2025. "Melanocortin 3 receptor regulates hepatic autophagy and systemic adiposity," Nature Communications, Nature, vol. 16(1), pages 1-20, December.
    16. Zhenzhen Zi & Zhuzhen Zhang & Qiang Feng & Chiho Kim & Xu-Dong Wang & Philipp E. Scherer & Jinming Gao & Beth Levine & Yonghao Yu, 2022. "Quantitative phosphoproteomic analyses identify STK11IP as a lysosome-specific substrate of mTORC1 that regulates lysosomal acidification," Nature Communications, Nature, vol. 13(1), pages 1-12, December.
    17. Scotland E. Farley & Jennifer E. Kyle & Hans C. Leier & Lisa M. Bramer & Jules B. Weinstein & Timothy A. Bates & Joon-Yong Lee & Thomas O. Metz & Carsten Schultz & Fikadu G. Tafesse, 2022. "A global lipid map reveals host dependency factors conserved across SARS-CoV-2 variants," Nature Communications, Nature, vol. 13(1), pages 1-14, December.
    18. Yoshito Minami & Atsushi Hoshino & Yusuke Higuchi & Masahide Hamaguchi & Yusaku Kaneko & Yuhei Kirita & Shunta Taminishi & Toshiyuki Nishiji & Akiyuki Taruno & Michiaki Fukui & Zoltan Arany & Satoaki , 2023. "Liver lipophagy ameliorates nonalcoholic steatohepatitis through extracellular lipid secretion," Nature Communications, Nature, vol. 14(1), pages 1-15, December.
    19. Donghai Cui & Zixiang Wang & Qianli Dang & Jing Wang & Junchao Qin & Jianping Song & Xiangyu Zhai & Yachao Zhou & Ling Zhao & Gang Lu & Hongbin Liu & Gang Liu & Runping Liu & Changshun Shao & Xiyu Zha, 2023. "Spliceosome component Usp39 contributes to hepatic lipid homeostasis through the regulation of autophagy," Nature Communications, Nature, vol. 14(1), pages 1-16, December.
    20. Jialiu Zeng & Rebeca Acin-Perez & Essam A. Assali & Andrew Martin & Alexandra J. Brownstein & Anton Petcherski & Lucía Fernández-del-Rio & Ruiqing Xiao & Chih Hung Lo & Michaël Shum & Marc Liesa & Xue, 2023. "Restoration of lysosomal acidification rescues autophagy and metabolic dysfunction in non-alcoholic fatty liver disease," Nature Communications, Nature, vol. 14(1), pages 1-17, December.

    More about this item

    Statistics

    Access and download statistics

    Corrections

    All material on this site has been provided by the respective publishers and authors. You can help correct errors and omissions. When requesting a correction, please mention this item's handle: RePEc:nat:natcom:v:16:y:2025:i:1:d:10.1038_s41467-025-56620-4. See general information about how to correct material in RePEc.

    If you have authored this item and are not yet registered with RePEc, we encourage you to do it here. This allows to link your profile to this item. It also allows you to accept potential citations to this item that we are uncertain about.

    If CitEc recognized a bibliographic reference but did not link an item in RePEc to it, you can help with this form .

    If you know of missing items citing this one, you can help us creating those links by adding the relevant references in the same way as above, for each refering item. If you are a registered author of this item, you may also want to check the "citations" tab in your RePEc Author Service profile, as there may be some citations waiting for confirmation.

    For technical questions regarding this item, or to correct its authors, title, abstract, bibliographic or download information, contact: Sonal Shukla or Springer Nature Abstracting and Indexing (email available below). General contact details of provider: http://www.nature.com .

    Please note that corrections may take a couple of weeks to filter through the various RePEc services.

    IDEAS is a RePEc service. RePEc uses bibliographic data supplied by the respective publishers.