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A Chain of Events Leading to Posttraumatic Subacute Meningitis.
Am J Forensic Med Pathol
January 2025
County of Santa Clara, Medical Examiner-Coroner Office, San Jose, CA.
There are few reports that discuss the nebulous entity known as posttraumatic subacute meningitis. Herein, we describe a case where a male was found deceased with Streptococcus pyogenes meningitis 7 days after experiencing head trauma inflicted with a tow chain. Computed tomography scan prior to death revealed a scalp laceration with subcutaneous gas and a subdural hematoma.
View Article and Find Full Text PDFBlast-Overpressure Induced Modulation of PARP-SIRT-NRF2 Axis in Stress Signaling of Astrocytes and Microglia.
Immun Inflamm Dis
January 2025
Department of Medical Biochemistry, Institute of Health, Dambi Dollo University, Dambi Dolo, Ethiopia.
Background: The pathomechanism of blast traumatic brain injury (TBI) and blunt TBI is different. In blast injury, evidence indicates that a single blast exposure can often manifest long-term neurological impairments. However, its pathomechanism is still elusive, and treatments have been symptomatic.
View Article and Find Full Text PDFIntramural hematomas and astrocytic infiltration precede perivascular inflammation in a rat model of repetitive low-level blast injury.
J Neuropathol Exp Neurol
January 2025
Department of Psychiatry, Icahn School of Medicine at Mount Sinai, New York, NY, United States.
In modern war theaters, exposures to blast overpressures are one of the most common causes of brain injury. These pervasive events result in acute and chronic cerebrovascular degenerative processes. Using a rat model of blast-induced mild traumatic brain injury, we identified intramural periarterial hematomas as early primary acute lesions induced by blast exposures.
View Article and Find Full Text PDFInvesting in equitable healthy aging: Why Africa must reform social pension schemes to improve Alzheimer's disease and dementia outcomes.
Alzheimers Dement
January 2025
Brain and Mind Institute, Aga Khan University, Nairobi, Kenya.
The eligibility criteria for social pension schemes in Africa hinder equitable and healthy aging. In 2019, women in 14 sub-Saharan African countries had an average life expectancy of 67 years but a healthy life expectancy of only 57 years, leaving them 5 years in poor health before receiving a pension at age 62. Men had a similar situation-a life expectancy of 62 years and a healthy life expectancy of 53 years, spending 10 years in poor health before becoming eligible for pensions at age 63.
View Article and Find Full Text PDFInhibition of hippocampal interleukin-6 receptor-evoked signalling normalises long-term potentiation in dystrophin-deficient mice.
Brain Behav Immun Health
February 2025
Department of Physiology, School of Medicine, University College Cork, Western Road, Cork, Ireland.
Duchenne muscular dystrophy (DMD), an X-linked neuromuscular disorder, characterised by progressive immobility, chronic inflammation and premature death, is caused by the loss of the mechano-transducing signalling molecule, dystrophin. In non-contracting cells, such as neurons, dystrophin is likely to have a functional role in synaptic plasticity, anchoring post-synaptic receptors. Dystrophin-expressing hippocampal neurons are key to cognitive functions such as emotions, learning and the consolidation of memories.
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