delivery module
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CATENA ◽  
2021 ◽  
Vol 207 ◽  
pp. 105655
Author(s):  
Konstantinos Kaffas ◽  
Vassilios Pisinaras ◽  
Mario J. Al Sayah ◽  
Simone Santopietro ◽  
Maurizio Righetti

FEBS Journal ◽  
2021 ◽  
Author(s):  
Yury B. Slonimskiy ◽  
Nikita A. Egorkin ◽  
Thomas Friedrich ◽  
Eugene G. Maksimov ◽  
Nikolai N. Sluchanko
Keyword(s):  

2021 ◽  
Vol 244 ◽  
pp. 114445
Author(s):  
Pia Hoenicke ◽  
Debjani Ghosh ◽  
Adel Muhandes ◽  
Sumantra Bhattacharya ◽  
Christiane Bauer ◽  
...  

2021 ◽  
Author(s):  
Yury B Slonimskiy ◽  
Nikita A Egorkin ◽  
Thomas N. Friedrich ◽  
Eugene G. Maksimov ◽  
Nikolai N. Sluchanko

Carotenoids are lipophilic substances with many biological functions, from coloration to photoprotection. Being potent antioxidants, carotenoids have multiple biomedical applications, including the treatment of neurodegenerative disorders and retina degeneration. Nevertheless, the delivery of carotenoids is substantially limited by their poor solubility in the aqueous phase. Natural water-soluble carotenoproteins can facilitate this task, necessitating studies on their ability to uptake and deliver carotenoids. One such promising carotenoprotein, AstaP (Astaxanthin-binding protein), was recently identified in eukaryotic microalgae, but its structure and functional properties remained largely uncharacterized. By using a correctly folded recombinant protein, here we show that AstaP is an efficient carotenoid solubilizer that can stably bind not only astaxanthin but also zeaxanthin, canthaxanthin, and, to a lesser extent, β-carotene, i.e. carotenoids especially valuable to human health. AstaP accepts carotenoids provided as acetone solutions or embedded in membranes, forming carotenoid-protein complexes with an apparent stoichiometry of 1:1. We successfully produced AstaP holoproteins in specific carotenoid-producing strains of Escherichia coli, proving it is amenable to cost-efficient biotechnology processes. Regardless of the carotenoid type, AstaP remains monomeric in both apo- and holoforms, while its rather minimalistic mass (~20 kDa) makes it an especially attractive antioxidant delivery module. In vitro, AstaP transfers different carotenoids to the liposomes and to unrelated proteins from cyanobacteria, which can modulate their photoactivity and/or oligomerization. These findings expand the toolkit of the characterized carotenoid-binding proteins and outline the perspective of the use of AstaP as a unique monomeric antioxidant nanocarrier with an extensive carotenoid-binding repertoire.


2020 ◽  
Vol 9 (3) ◽  
pp. 87-116
Author(s):  
Naseem Akhtar ◽  
Salman AA Mohammed ◽  
Varsha Singh ◽  
Ahmed AH Abdellatif ◽  
Hamdoon A Mohammad ◽  
...  

Phospholipid-based liposomal vesicles are among the most effective delivery options currently available for various classes of anticancer drugs. The patents granted to inventions disclosing details on liposomal delivery module by the US Patent and Trademark Office, European Patent Office, and world patent holdings through WIPO (World Intellectual Property Organization) patenting have been sorted based upon liposome, and anticancer keywords within the abstract and claims sections of the patents for the period between 2000 and 2019, thereby disclosing novel liposome formulations encapsulating single, or combination of chemotherapeutic agents that have been far more chemically and physiologically stable, therapeutically efficacious, and comparatively less toxic than their nonliposomal free-drug counterparts. The added stability, site-specific transport, and payload delivery, enhanced bioavailability, fast body clearance, and biocompatibility together with the controlled and sustained delivery-related benefits claimed in the patent literature have been exclusively discussed with a focus on the last 5-year period.


2019 ◽  
Author(s):  
Ken Devine ◽  
◽  
Katie Ryan ◽  

Inspired by the UCC Campus engage initiative and in a quest to help final year pharmacy students develop higher-order thinking skills, students were tasked with designing and delivering outreach workshops on the “Role of the Pharmacist in Educating patients on microbes, antimicrobial usage, and infection prevention”. The assignment formed part of continuous assessment requirements for PF4015 Novel Drug Delivery module delivered to final year Pharmacy students on the B.Pharm course. These 1-hour interactive workshops were delivered to students across diverse age (primary and secondary) and socioeconomic backgrounds in schools during Science week in Nov 2016 & Nov 2017.


2017 ◽  
Vol 3 (3) ◽  
pp. e1601314 ◽  
Author(s):  
Hyunjae Lee ◽  
Changyeong Song ◽  
Yong Seok Hong ◽  
Min Sung Kim ◽  
Hye Rim Cho ◽  
...  

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