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Eye Movements and the Intraorbital Subarachnoid Space: Potential Contribution of Altered Cerebrospinal Fluid Pumping in Optic Neuropathies.
Invest Ophthalmol Vis Sci
January 2025
Department of Ophthalmology, University of California, Los Angeles, California, United States.
Purpose: The optic nerve (ON) is mechanically perturbed by eye movements that shift cerebrospinal fluid (CSF) within its surrounding dural sheath. This study compared changes in ON length and CSF volume within the intraorbital ON sheath caused by eye movements in healthy subjects and patients with optic neuropathies.
Methods: Twenty-one healthy controls were compared with 11 patients having primary open angle glaucoma (POAG) at normal intraocular pressure (IOP), and 11 with chronic non-arteritic anterior ischemic optic neuropathy (NA-AION).
Prion protein modulation of virus-specific T cell differentiation and function during acute viral infection.
Immunohorizons
January 2025
Center for Virus Research, Chao Family Comprehensive Cancer Center, Department of Molecular Biology and Biochemistry, Charlie Dunlop School of Biological Sciences, University of California, Irvine, Irvine, CA, United States.
The differentiation and functionality of virus-specific T cells during acute viral infections are crucial for establishing long-term protective immunity. While numerous molecular regulators impacting T cell responses have been uncovered, the role of cellular prion proteins (PrPc) remains underexplored. Here, we investigated the impact of PrPc deficiency on the differentiation and function of virus-specific T cells using the lymphocytic choriomeningitis virus (LCMV) Armstrong acute infection model.
View Article and Find Full Text PDFMistaken for migraine: Coccidioidal meningitis.
JAAPA
February 2025
At the time this article was written, Anna Morgan was a student in the PA program at the University of North Texas Health Science Center (UNT HSC) in Fort Worth, Tex. She now practices in urgent care at Dignity Health-Mercy Medical Group in Sacramento, Calif. Stephen James Hoyt is a hospitalist at the John Peter Smith Hospital in Fort Worth. Jamie Park practices in emergency medicine and is an assistant professor in the PA program at UNT HSC. Vic Holmes is an associate professor in the PA program at UNT HSC, specializes in the field of family medicine, and is chair of the North Texas Regional Institutional Review Board. The authors have disclosed no potential conflicts of interest, financial or otherwise.
The incidence of coccidioidomycosis has been rising in the past decade. This case report focuses on a man with a history of persistent migraine who presented to the ED with altered mental status. After cerebrospinal fluid testing, the patient was diagnosed with coccidioidal meningitis and treated with lifelong antifungal therapy.
View Article and Find Full Text PDFRapid and sensitive detection of using multiple cross displacement amplification combined with CRISPR-Cas12a-based biosensing system.
Heliyon
January 2025
Department of Otorhinolaryngology Head and Neck Surgery, Children's Hospital Capital Institute of Pediatrics, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China.
(, Hi) is an opportunistic bacterium that colonizes the upper respiratory tract of humans and frequently causes meningitis, pneumonia, sepsis, and other severe infections in children. Early and accurate detection of is essential for effective diagnosis and treatment. In this study, we established a novel diagnostic method by integrating the CRISPR-Cas12a detection platform with multiple cross-displacement amplification (MCDA), termed the Hi-MCDA-CRISPR assay.
View Article and Find Full Text PDFVirulence and pathogenicity of group B : Virulence factors and their roles in perinatal infection.
Virulence
December 2025
Department of Pediatrics, University of Pittsburgh School of Medicine, Pittsburgh, USA.
This review summarizes key virulence factors associated with group B (GBS), a significant pathogen particularly affecting pregnant women, fetuses, and infants. Beginning with an introduction to the historical transition of GBS from a zoonotic pathogen to a prominent cause of human infections, particularly in the perinatal period, the review describes major disease manifestations caused by GBS, including sepsis, meningitis, chorioamnionitis, pneumonia, and others, linking each to specific virulence mechanisms. A detailed exploration of the genetic basis for GBS pathogenicity follows, emphasizing the roles of capsules in pathogenesis and immune evasion.
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