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"Energetics of the outer retina I: Estimates of nutrient exchange and ATP generation".
PLoS One
December 2024
UCL Institute of Ophthalmology, London, United Kingdom.
Photoreceptors (PRs) are metabolically demanding and packed at high density, which presents a challenge for nutrient exchange between the associated vascular beds and the tissue. Motivated by the ambition to understand the constraints under which PRs function, in this study we have drawn together diverse physiological and anatomical data in order to generate estimates of the rates of ATP production per mm2 of retinal surface area. With the predictions of metabolic demand in the companion paper, we seek to develop an integrated energy budget for the outer retina.
View Article and Find Full Text PDFAnalysis of the aqueous humor before and after the administration of faricimab in patients with nAMD.
Sci Rep
December 2024
Department of Ophthalmology, Nagoya University Graduate School of Medicine, Nagoya, Japan.
This study aimed to evaluate the changes in cytokine levels in the aqueous humor and factors of treatment resistance following intravitreal faricimab injection in treatment-naïve patients with neovascular age-related macular degeneration. A total of 32 eyes were analyzed before and after a single faricimab injection. Although the best-corrected visual acuity (BCVA) showed no significant improvement, the mean central retinal thickness decreased significantly by 73.
View Article and Find Full Text PDFPosterior segment findings in a patient with a biallelic pathogenic variant.
Am J Ophthalmol Case Rep
December 2024
Genomic Laboratory, Umraniye Training and Research Hospital, University of Health Sciences, Istanbul, Turkey.
Purpose: To report the posterior segment findings in a case with a biallelic frameshift pathogenic variant at chromosome 10 c.616del exon7 p.(His206Thrfs∗61).
View Article and Find Full Text PDFEfficacy of Anti-Vascular Endothelial Growth Factor (VEGF) Therapy for Age-Related Macular Degeneration.
Cureus
November 2024
General Medicine, Barts Health National Health Service (NHS) Trust, London, GBR.
Anti-vascular endothelial growth factor (VEGF) drugs are used for various diseases with abnormal proliferation of blood vessels. The use of these drugs in wet age-related macular degeneration (AMD) has proven to be highly effective. Various factors contribute to the efficacy of these drugs in different settings.
View Article and Find Full Text PDFBrain macrophages in vascular health and dysfunction.
Trends Immunol
December 2024
Institute of Experimental Immunology, University of Zurich, Zurich, Switzerland. Electronic address:
Diverse macrophage populations inhabit the rodent and human central nervous system (CNS), including microglia in the parenchyma and border-associated macrophages (BAMs) in the meninges, choroid plexus, and perivascular spaces. These innate immune phagocytes are essential in brain development and maintaining homeostasis, but they also play diverse roles in neurological diseases. In this review, we highlight the emerging roles of CNS macrophages in regulating vascular function in health and disease.
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