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Clinical outcome after traumatic brain injury (TBI) is closely associated conditions of other organs, especially lungs as well as degree of brain injury. Even if there is no direct lung damage, severe brain injury can enhance sympathetic tones on blood vessels and vascular resistance, resulting in neurogenic pulmonary edema. Conversely, lung damage can worsen brain damage by dysregulating immunity. These findings suggest the importance of brain-lung axis interactions in TBI. However, little research has been conducted on the topic. An advanced disease model using stem cell technology may be an alternative for investigating the brain and lungs simultaneously but separately, as they can be potential candidates for improving the clinical outcomes of TBI.In this review, we describe the importance of brain-lung axis interactions in TBI by focusing on the concepts and reproducibility of brain and lung organoids in vitro. We also summarize recent research using pluripotent stem cell-derived brain organoids and their preclinical applications in various brain disease conditions and explore how they mimic the brain-lung axis. Reviewing the current status and discussing the limitations and potential perspectives in organoid research may offer a better understanding of pathophysiological interactions between the brain and lung after TBI.
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http://dx.doi.org/10.1186/s13578-024-01252-2 | DOI Listing |
Int J Mol Sci
July 2025
Global Health Neurology Lab, Sydney, NSW 2150, Australia.
Pulmonary embolism (PE) is an under-recognised yet serious complication in patients with acute ischaemic stroke (AIS), contributing significantly to morbidity and mortality. The interplay of traditional risk factors-such as immobility, endothelial dysfunction, and hypercoagulability-with AIS-specific conditions, including atrial fibrillation, malignancy, and reperfusion therapies, complicates both diagnosis and management. Despite available prophylactic strategies, including low-molecular-weight heparin and intermittent pneumatic compression, their use remains limited by bleeding concerns and a lack of tailored guidelines.
View Article and Find Full Text PDFArch Toxicol
July 2025
Discipline of Pharmacy, Graduate School of Health, University of Technology Sydney, Ultimo, NSW, 2007, Australia.
Respiratory diseases are among the main causes of morbidity and mortality worldwide, encompassing a wide array of illnesses. Among these diseases, including acute lung injury, chronic obstructive pulmonary disease (COPD), asthma, pulmonary fibrosis, obstructive sleep apnoea (OSA), and pathogenic infections, the immune system plays a significant role in whole-body pathophysiology. These occurrences have been recognised to affect the ocular system, bringing about the novel idea of the lung-eye axis with emerging literature highlighting the fundamental connection of exacerbation between systems.
View Article and Find Full Text PDFChin Med J (Engl)
July 2025
Department of Respiratory and Critical Care Medicine, Institute of Respiratory Health, State Key Laboratory of Respiratory Health and Multimorbidity, Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu, Sichuan 610041.
Recent studies have challenged the once prevalent notion that the human lungs are sterile, instead unveiling a dynamic microbial environment that interacts intricately with both the host and external factors. This review describes the distinct microbial compositions between healthy individuals and those with respiratory diseases, as well as discussing the variations in microbial composition across different disease states. We explore the crucial role of the lung microbiome in maintaining respiratory health and describe its implications in various respiratory diseases.
View Article and Find Full Text PDFBrain Behav Immun
June 2025
Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden. Electronic address:
Background: Severe psychiatric disorders are frequently comorbid with lung function decline and asthma. Despite their considerable heritability, the genetic relationships between them are unclear.
Methods: We investigated the shared genetic architecture for three severe psychiatric disorders (schizophrenia, bipolar disorder, and anorexia nervosa) with lung function and asthma using results from genome-wide association studies.
Immunity
August 2025
Department of Anesthesiology and Intensive Care, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China. Electronic address:
Severe pneumonia is predominantly caused by cytokine storms in the lung, but whether this process is controlled by the brain-lung axis remains unclear. Here, we found that GABAergic neurons in the central amygdala (CeA) were highly activated during severe pneumonia, which substantially contributed to inflammation and lung injury. Inhibition of CeA GABAergic neurons mitigated cytokine storms and improved survival rates in lethal pneumonia in mice.
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