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Ginsenoside Ro prevents endothelial injury via promoting Epac1/AMPK- mediated mitochondria protection in early diabetic retinopathy.
Pharmacol Res
December 2024
Institute of Medicinal Plant Development, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, 100193, China; Beijing Key Laboratory of Innovative Drug Discovery of Traditional Chinese Medicine (Natural Medicine) and Translational Medicine; Key Laboratory of Bioactive Substances and Resource Utilization of Chinese Herbal Medicine, Ministry of Education. Electronic address:
Diabetic retinopathy (DR) is a blinding complication of microangiopathy. First-line therapeutic drugs are all focused on late-stage DR and have several side effects, which could not meet clinical needs. The plant-derived ginsenoside Ro (Ro) has a variety of effective anti-inflammatory, immune-regulating, and cardiovascular protective effects, but its microvascular protective effects are rarely studied.
View Article and Find Full Text PDF[Peripapillary pachychoroid syndrome].
Vestn Oftalmol
December 2024
Krasnov Research Institute of Eye Diseases, Moscow, Russia.
Peripapillary pachychoroid syndrome (PPS) is a recently described condition, classified within the pachychoroid disease spectrum characterized by focal or diffuse thickening of the choroid due to dilation of choroidal vessels in the Haller's layer (pachyvessels), thinning of the choriocapillaris and the Sattler's layer, and accompanied by increased choroidal permeability and damage to the retinal pigment epithelium. Unlike other pachychoroid diseases that involve changes in the central retina, PPS presents with choroidal thickening and intra- or subretinal fluid located nasally in the macular region, near the optic disc. This review aims to summarize and analyze current data on the clinical features, pathogenesis, and treatment options for PPS found in the literature.
View Article and Find Full Text PDFCorrection to: Triamcinolone Acetonide Protects Against Light-Induced Retinal Degeneration by Activating Anti-Inflammatory STAT6/Arg1 Signaling in Microglia.
Inflammation
December 2024
Shenzhen Eye Hospital, Shenzhen Eye Institute, JinanUniversity, 18 Zetian Road, Shenzhen, 518040, Guangdong, China.
Microglia are highly specialized resident macrophages in the central nervous system that play a pivotal role in modulating neuroinflammation. Microglial plasticity is essential for their function, allowing them to polarize into proinflammatory M1-like or anti-inflammatory M2-like phenotypes. However, the mechanisms driving M1 and M2 microglial induction during retinal degeneration remain largely unexplored.
View Article and Find Full Text PDFInnovative Polymeric Biomaterials for Intraocular Lenses in Cataract Surgery.
J Funct Biomater
December 2024
Department of Surgery, Division of Ophthalmology, University of Sherbrooke, Sherbrooke, QC J1G 2E8, Canada.
Intraocular lenses (IOLs) play a pivotal role in restoring vision following cataract surgery. The evolution of polymeric biomaterials has been central to addressing challenges such as biocompatibility, optical clarity, mechanical stability, and resistance to opacification. This review explores essential requirements for IOL biomaterials, emphasizing their ability to mitigate complications like posterior capsule opacification (PCO) and dysphotopsias while maintaining long-term durability and visual quality.
View Article and Find Full Text PDFRelationship Between Short-Term Blood Pressure Variability and Choroidal-Retinal Thicknesses Assessed by Optical Coherence Tomography in Hypertensive Subjects.
J Pers Med
November 2024
Unit of Nephrology and Dialysis, Hypertension Excellence Centre, Department of Health Promotion, Mother and Child Care, Internal Medicine and Medical Specialties (PROMISE), Università di Palermo, 90128 Palermo, Italy.
The complications of hypertension depend not only on the mean blood pressure (BP) but also on its variability (BPV). Recent studies suggest that the choroid may serve as an indicator of systemic vascular damage. These studies have been made possible by the increased availability of optical coherence tomography (OCT).
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