Research & Approaches

Neuronal and immune interactions play a critical role in maintaining physiological homeostasis and responding to pathological challenges. Understanding these interactions is essential for unraveling the mechanisms underlying both health and disease. Our research group employs a multidisciplinary approach, combining cutting-edge techniques such as two-photon in vivo brain imaging, slice electrophysiology, and patch-seq, to investigate the dynamic interplay between neuronal activity and immune responses in the brain. These tools allow us to visualize, record, and analyze cellular and molecular processes with high spatial and temporal resolution, providing insights into how these systems adapt under varying conditions.

A particular focus of our work is the impact of intermittent fasting on brain health and disease. Intermittent fasting, a dietary intervention characterized by cycles of fasting and feeding, has garnered significant attention for its potential to promote metabolic health, enhance cognitive function, and mitigate neuroinflammation. However, the precise mechanisms by which intermittent fasting influences neuronal and immune activities remain poorly understood. By studying these processes in both physiological and pathological contexts, we aim to elucidate how intermittent fasting modulates brain function and resilience, offering potential therapeutic strategies for neurodegenerative diseases, neuroinflammation, and other brain-related disorders.

Through our integrative approach, we strive to bridge the gap between cellular-level insights and whole-brain function, advancing our understanding of how lifestyle interventions like intermittent fasting can shape brain health and disease outcomes.

How neuronal activity encodes immune responses.

How microglia respond during neuronal degeneration.

How intermittent fasting benefits the body and promotes healthy aging.

Publications

//*Corresponding author; #Co-first author
2024
  • Xia Wang#, Han Zhan#, Bin Mou, Libo Hua, Zheng Zhao, Lang Huang, Jian Sima, Zongqin Xiang*, Yong U. Liu*. Chronic in vivo imaging of tau-induced neurodegeneration and microglial response using two-photon microscopy. Aging Research, 2024, 2(3): 9340035. DOI: 10.26599/AGR.2024.9340035
  • Zheng Zhao#, Jun-Liang Chen#, Han Zhan, Chang-Rong Fang, Li-Bo Hua, Hao-Yuan Deng, Zongqin Xiang, Ying Yang, Lang Huang*, Yong U Liu*. Noradrenergic projections from the locus coeruleus to the medial prefrontal cortex enhances stress coping behavior in mice following long-term intermittent fasting. Neuromolecular Medicine, 2024. 26, 47. DOI: 10.1007/s12017-024-08818-w

  • 2022
  • Manling Xie# , Yong U. Liu*#, Shunyi Zhao, Lingxin Zhang, Dale B. Bosco, Yuan-Ping Pang, Jun Zhong, Udit Sheth, Yuka A. Martens, Na Zhao, Chia-Chen Liu, Yongxian Zhuang, Liewei Wang, Dennis W. Dickson, Mark P. Mattson, Guojun Bu, Long-Jun Wu*. TREM2 interacts with TDP-43 and mediates microglial neuroprotection against TDP-43-related neurodegeneration. Nature Neuroscience, 2021, Dec 16.

  • 2019
  • Yong U. Liu, Yanlu Ying, Yujiao Li, Ukpong B. Eyo, Tingjun Chen, Jiaying Zheng, Anthony D. Umpierre, Jia Zhu, Dale B. Bosco, Hailong Dong, Long-Jun Wu*. Neuronal network activity controls microglial process surveillance in awake mice via norepinephrine signaling. Nature Neuroscience, 2019, 22:1771–1781.
  • Yong Liu*#, Aiwu Cheng#, Yu-Jiao Li, Ying Yang, Yuki Kishimoto, Shi Zhang, Yue Wang, Ruiqian Wan, Sophia M. Raefsky, Daoyuan Lu, Takashi Saito, Takaomi Saido, Jian Zhu, Long-Jun Wu, Mark P. Mattson*. SIRT3 mediates hippocampal synaptic adaptations to intermittent fasting and ameliorates deficits in APP mutant mice. Nature Communications, 2019. 10(1):1886.

  • 2017
  • Yong Liu#, Li-Jun Zhou#, Jun Wang#, Dai Li, Wen-Jie Ren, Jiyun Peng, Xiao Wei, Ting Xu, Wen-Jun Xin, Rui-Ping Pang, Yong-Yong Li, Zhi-Hai Qin, Madhuvika Murugan, Mark P Mattson, Long-Jun Wu*, Xian-Guo Liu*. TNF-α differentially regulates synaptic plasticity in the hippocampus and spinal cord by microglia-dependent mechanisms after peripheral nerve injury. Journal of Neuroscience, 2017. 37(4):871-881.
  • Team

    Liu, Yong U.
    PhD

    LNHD 2020- Principal Investigator Two-photon imaging Whole-cell patch Animal behavior

    Huang, Lang
    PhD

    LNHD 2022- Research Scientist Electrophysiology Patch-seq
    Animal behavior

    Xiang, Zongqin
    PhD

    LNHD 2022- Research Scientist Two-photon imaging Animal behavior

    Zheng, Jiajun
    PhD

    LNHD 2024- Research Scientist Electrophysiology in vivo and in vitro Animal behavior

    Ye, Jinfeng
    BS

    LNHD 2023- Lab manager
    Postdoctoral Fellow

    Wang, Xia
    PhD

    LNHD 2022- Two-photon imaging Biochemistry Animal behavior

    Han, Jianbang
    MD, PhD

    LNHD 2024- Two-photon imaging Cell culture

    Sun, Kaijian
    MD, PhD

    LNHD 2024- Bioinformatics Residency standardization training in Neurosurgery

    Hu, Yang
    PhD

    LNHD 2024- Neuronal development disorder
    Graduate Students

    Mou, Bin
    PhD student, 2022-

    Animal behavior
    Immunohistochemistry

    Cao, Haihong
    PhD student, 2023-

    Cell Culture
    Immunohistochemistry

    Hua, Libo
    PhD student, 2023-

    Animal behavior
    Immunohistochemistry

    Chen, Junliang
    PhD student, 2024-

    Animal behavio
    Immunohistochemistry

    Zhao, Zheng
    PhD student, 2025-

    Animal behavior
    Immunohistochemistry

    Zhan, Han
    MS student, 2022-

    Animal behavior
    Immunohistochemistry

    Fang, Changrong
    MS student, 2022-

    Animal behavior
    Immunohistochemistry

    Zhang, Yaping
    MS student, 2022-

    Animal behavior
    Immunohistochemistry

    Zhang, Liting
    MS student, 2023-

    Bioinformatics

    Li, Miaoting
    MS student, 2024-

    Immunohistochemistry Animal behavior

    Deng, Haoyuan
    MS student, 2024-

    Immunohistochemistry Animal behavior
    Visiting Scholars

    Zhang, Guangyan
    PhD student, 2021-

    Animal behavior
    Immunohistochemistry
    Lab Alumini
    Bu, Shimiao
    MS

    MS student, 2021-2024
    Current: Residency standardization training in Ophthalmology at Guangzhou First People's Hospital
    Liang, Jiade
    MS

    Research assistant, 2023-2024
    Current: MS, PhD student at Hainan University
    Zhang, Renyue
    MS

    MS student, 2021-2024
    Current: MS, Research assistant at Guangzhou First People's Hospital
    He, Qing
    MS

    MS student, 2021-2024
    Weng, Yousi
    MS

    MS student, 2021-2024
    Current: Research assistant at Guangzhou First People's Hospital
    Miao, Tianze
    BS

    MS student, 2021-2024 Research assistant, 2022-2023
    Xie, Tao
    MS

    Research assistant, 2021-2022
    Current: PhD student
    at University of Technology Sydney
    Intramural Collaborators (Clinician)
    Zhang, Yuehong
    MD, PhD

    Ophthalmologist Diabetic retinopathy
    Zheng, Bin
    MD, PhD

    Anesthesiologist Cognitive function
    Ying, Yanlu
    MD, PhD

    Anesthesiologist
    Lu, Chengxiang
    MD

    Anesthesiologist
    Intramural Collaborators
    Liu, Yufeng
    PhD

    Principal investigator Immunologist
    Zuo, Yan-Fang
    PhD

    Principal investigator Neuroscientist

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    Guangzhou International Bio-Island
    Guangzhou, China 510005