Cardiovascular diseases account for more deaths worldwide than any other illness. Myocardial ischemia, a common finding in cardiovascular diseases, lowers cellular energy levels, which affects a cell's integrity and function. Pre-clinical animal studies have reported lower cellular energy levels with an associated decreased function following myocardial ischemia. Recently, scientists have reported that the failing heart is energy starved and yet no pharmaceuticals have been able to address this issue with satisfactory results. Over decades, researchers have explored the use of various metabolites to replenish deficient cellular energy levels following induced ischemia with mixed results. However, D-ribose, a natural occurring carbohydrate, has demonstrated significant enhancing abilities in replenishing deficient cellular energy levels following myocardial ischemia, as well as improving depressed function in numerous animal investigations. Subsequent clinical trials have further substantiated these benefits of D-ribose in patients afflicted with ischemic cardiovascular disease and those carrying the diagnosis of congestive heart failure. The future of effective therapies for ischemic heart disease and congestive heart failure must strongly consider novel pharmaceuticals directed at replenishing cellular energy levels. Intellectual property and the represented patents in this paper emphasize the use of D-ribose for its cellular energy enhancing potential, reflected in both objective and subjective clinical improvements; therefore, substantiating its value in patients with ischemic cardiovascular diseases.
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http://dx.doi.org/10.2174/157489010791515241 | DOI Listing |
ACS Sens
January 2025
Cancer Hospital of Dalian University of Technology, Shenyang 110042, China.
Intracellular morphological apical-basal polarity, regulated by conserved polarity proteins, plays a crucial role in cell migration and metastasis. In this study, using a genetically encoded Förster resonance energy transfer (FRET) biosensor to visually present the spatiotemporal stress state between the lipid rafts on the membrane and the linked actin, we first provide the evidence for the existence of intrinsic apical-basal stress polarity in tumor cells and demonstrate that this polarity is a prerequisite for the formation of flow-induced front-back stress polarity. Interestingly, our study revealed that the front-back stress polarity disappeared upon the disruption of intrinsic apical-basal stress discrepancy, resulting in a large attenuated cell migration activity reduced from 76.
View Article and Find Full Text PDFScience
January 2025
Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan, China.
Emerging wearable devices would benefit from integrating ductile photovoltaic light-harvesting power sources. In this work, we report a small-molecule acceptor (SMA), also known as a non-fullerene acceptor (NFA), designed for stretchable organic solar cell (-OSC) blends with large mechanical compliance and performance. Blends of the organosilane-functionalized SMA BTP-Si4 with the polymer donor PNTB6-Cl achieved a power conversion efficiency (PCE) of >16% and ultimate strain (ε) of >95%.
View Article and Find Full Text PDFChem Commun (Camb)
January 2025
Institute of Sustainability for Chemicals, Energy and Environment (ISCE2), Agency for Science, Technology and Research (A*STAR), 1 Pesek Road, Singapore 627833, Republic of Singapore.
Polymeric materials are ubiquitous in modern life. Similar to many other technological applications, polymer materials are essential in advancing the green hydrogen economy, offering solutions for hydrogen production, storage, transport, and utilization. In production, polymeric proton exchange membranes in water electrolysers enable efficient green hydrogen generation using renewable energy.
View Article and Find Full Text PDFInvest Ophthalmol Vis Sci
January 2025
Department of Ophthalmology, National Taiwan University Hospital, Taipei, Taiwan.
Purpose: To investigate the effect of Rho-associated protein kinase (ROCK) inhibitor Y27632 on bioenergetic capacity and resilience of corneal endothelial cells (CECs) under metabolic stress.
Methods: Bovine CECs (BCECs) were treated with Y27632 and subjected to bioenergetic profiling using the Seahorse XFp Analyzer. The effects on adenosine triphosphate (ATP) production through oxidative phosphorylation and glycolysis were measured.
Proc Natl Acad Sci U S A
January 2025
Ernst Strüngmann Institute, Frankfurt am Main 60528, Germany.
The dynamics of neuronal systems are characterized by hallmark features such as oscillations and synchrony. However, it has remained unclear whether these characteristics are epiphenomena or are exploited for computation. Due to the challenge of selectively interfering with oscillatory network dynamics in neuronal systems, we simulated recurrent networks of damped harmonic oscillators in which oscillatory activity is enforced in each node, a choice well supported by experimental findings.
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