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Neuronal injury is a primary cause of these sequelae in patients with CM; however, the underlying mechanisms remain incompletely elucidated. Hemozoin (Hz), the metabolic byproduct of hemoglobin digested by\n                      <jats:italic>Plasmodium<\/jats:italic>\n                      parasites, is closely associated with the severity of CM. However, it is not clear whether Hz is a direct contributor to neuronal injury.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>\n                      C57BL\/6\u00a0J mice were infected with the\n                      <jats:italic>Plasmodium berghei<\/jats:italic>\n                      ANKA (PbA) strain to induce experimental cerebral malaria (ECM). Hz deposition and neuronal injury in ECM mice brain tissues were assessed using histopathological staining. In vitro, primary cortical neurons were stimulated with purified hemozoin (pHz). Neuronal morphology, pHz internalization, and injury severity were assessed via transmission electron microscopy (TEM), live-cell imaging, and lactate dehydrogenase (LDH) assays, respectively. Furthermore, Mito-Tracker and JC-1 probes were used to analyze mitochondrial content and membrane potential, respectively. ATP assay kits were used to quantify cellular energy metabolism levels, while reactive oxygen species (ROS)\/neuronal nitric oxide synthase (nNOS) fluorescent probes were used to assess oxidative stress and inflammatory response. Neurotransmitter alterations were analyzed by measuring glutamate (Glu) levels.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>In the cerebral cortex of ECM mice, significant Hz deposition and reduced neuronal nuclei (NeuN) expression levels were observed. Immunofluorescence (IF) staining demonstrated that pHz adhered to primary neurons in vitro, causing reduced dendritic arborization, axon rupture, and plasma membrane disruption. TEM and live-cell imaging confirmed that pHz was internalized into the cytoplasm of neurons. Furthermore, pHz induced mitochondrial structural damage and reduced mitochondrial content. Concurrently, pHz triggered mitochondrial dysfunction, characterized by diminished mitochondrial membrane potential (MMP), reduced ATP levels, and elevated ROS. In addition, pHz upregulated intraneuronal nNOS activity and caused a decrease in neurotransmitter levels.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>This study provided the first evidence to our knowledge that Hz directly adhered to neurons and underwent internalization into its cytoplasm, thereby leading to neuronal injury. These findings elucidate a potential mechanism underlying neuronal injury in ECM and inform the development of adjuvant therapies targeting Hz.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Graphical Abstract<\/jats:title>\n                  <\/jats:sec>","DOI":"10.1186\/s13071-025-07102-5","type":"journal-article","created":{"date-parts":[[2025,12,18]],"date-time":"2025-12-18T15:22:58Z","timestamp":1766071378000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["Hemozoin induces neuronal injury primarily characterized by axon rupture and mitochondrial damage in experimental cerebral malaria"],"prefix":"10.1186","volume":"19","author":[{"given":"Tong","family":"Li","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Dongmei","family":"Dang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yan","family":"Shen","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jun","family":"Wang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yuxiao","family":"Huang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Qinghao","family":"Zhu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yi","family":"Wang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Chao","family":"Yang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ganze","family":"Li","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jiayi","family":"Sun","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Aining","family":"Zhang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Pengtao","family":"Li","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jiao","family":"Liang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ya","family":"Zhao","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2025,12,18]]},"reference":[{"key":"7102_CR1","doi-asserted-by":"publisher","DOI":"10.1016\/j.lanmic.2025.101073","author":"P Venkatesan","year":"2025","unstructured":"Venkatesan P. 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