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How to Fabricate Hyaluronic Acid for Ocular Drug Delivery.
Pharmaceutics
December 2024
Department of Ophthalmology, Samsung Medical Center, Sungkyunkwan University School of Medicine, 81, Irwon-ro, Gangnam-gu, Seoul 06351, Republic of Korea.
This review aims to examine existing research on the development of ocular drug delivery devices utilizing hyaluronic acid (HA). Renowned for its exceptional biocompatibility, viscoelastic properties, and ability to enhance drug bioavailability, HA is a naturally occurring biopolymer. The review discussed specific mechanisms by which HA enhances drug delivery, including prolonging drug residence time on ocular surfaces, facilitating controlled drug release, and improving drug penetration through ocular tissues.
View Article and Find Full Text PDFEffect of Dietary Supplementation with Lutein, Zeaxanthin, and Elderberries on Dry Eye Disease (DED) and Immunity: A Randomized Controlled Trial.
Nutrients
December 2024
Faculty of Medicine and Health Sciences, UCSI University, Kuala Lumpur 56000, Malaysia.
Background/objectives: Dry eye disease (DED) significantly impairs quality of life, affecting physical, social, and psychological well-being, as well as reducing workplace productivity. While lutein and zeaxanthin supplements have been shown to improve ocular health, existing research often overlooks the efficacy of lower dosages and shorter durations of supplementation. This study investigated the effects of combined supplementation with lutein, zeaxanthin, and elderberries in 110 voluntary participants through a randomized controlled trial.
View Article and Find Full Text PDFLutein Maintains Bone Mass In Vitro and In Vivo Against Disuse-Induced Bone Loss in Hindlimb-Unloaded Mice.
Nutrients
December 2024
Cooperative Major of Advanced Health Science, Tokyo University of Agriculture and Technology, 2-24-16 Naka, Koganei 184-8588, Tokyo, Japan.
Background: Lutein, a carotenoid, exhibits various biological activities such as maintaining the health of the eye, skin, heart, and bone. Recently, we found that lutein has dual roles in suppressing bone resorption and promoting bone formation. In this study, we examined the effects of lutein in a disuse-induced osteoporosis model using hindlimb-unloaded (HLU) mice.
View Article and Find Full Text PDFThe Improvement in Sleep Quality by Zizyphi Semen in Rodent Models Through GABAergic Transmission Regulation.
Nutrients
December 2024
Department of Molecular Medicine, School of Medicine, Ewha Womans University, Seoul 07804, Republic of Korea.
: Sleep, a process physiologically vital for mental health, faces disruptions in various sleep disorders linked to metabolic and neurodegenerative risks. seed (Zizy) has long been recognized for its diverse pharmacological attributes, including analgesic, sedative, insomnia, and anxiety alleviation. : In this study, the sleep-prolonging effects of Zizy extract (100, 200 mg/kg), along with their characterizing compounds jujuboside A (JuA) (5, 10 mg/kg), were evaluated in a mouse model under a pentobarbital-induced sleep.
View Article and Find Full Text PDFConcomitant Potentially Contagious Factors Detected in Poland and Regarding Strains, Etiological Agents of Keratitis in Humans.
Microorganisms
November 2024
Laser Eye Microsurgery Centre Clinic of Prof. Jerzy Szaflik, 00-215 Warsaw, Poland.
Background: Diseases in humans caused by amphizoic amoebae that can result in visual impairment and even blindness, have recently been identified more frequently worldwide. Etiologically complex incidents of keratitis, including those connected with strains detected in Poland, were evaluated in this study.
Methods: Corneal samples from cases resistant to antimicrobial therapy assessed for epidemiological, microbiological and parasitological aspects were investigated by phase-contrast microscope, slit lamp and by confocal microscopy.
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