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Systemically administered platelet-inspired nanoparticles to reduce inflammation surrounding intracortical microelectrodes.
Biomaterials
January 2025
Department of Biomedical Engineering, Case Western Reserve University, Cleveland, OH, United States; Advanced Platform Technology Center, Louis Stokes Cleveland Department of Veterans Affairs Medical Center, Cleveland, OH, United States. Electronic address:
Intracortical microelectrodes (IMEs) are essential for neural signal acquisition in neuroscience and brain-machine interface (BMI) systems, aiding patients with neurological disorders, paralysis, and amputations. However, IMEs often fail to maintain robust signal quality over time, partly due to neuroinflammation caused by vascular damage during insertion. Platelet-inspired nanoparticles (PIN), which possess injury-targeting functions, mimic the adhesion and aggregation of active platelets through conjugated collagen-binding peptides (CBP), von Willebrand Factor-binding peptides (VBP), and fibrinogen-mimetic peptides (FMP).
View Article and Find Full Text PDFThe Effect of Exercise on Pharmacodynamics and Pharmacokinetics of a Single Dose of Unfractionated Heparin-A Randomized, Controlled, Crossover Study.
Clin Transl Sci
January 2025
Department of Clinical Pharmacology, Copenhagen University Hospital - Bispebjerg and Frederiksberg, Copenhagen, Denmark.
Exercise increases blood and lymph flow in working muscles, potentially affecting the bioavailability and effect of subcutaneously administered drugs. The aim of this study was to assess the influence of a single exercise session on pharmacokinetics and pharmacodynamics of a single dose of subcutaneously administered unfractionated heparin. In a crossover design, 15 healthy males underwent four experimental days where 15,000 IU of unfractionated heparin was injected subcutaneously into the thigh of the non-dominant leg.
View Article and Find Full Text PDFApplication of a liposomal subunit vaccine in chickens for reduction of gut colonisation.
J Vet Res
December 2024
Department of Bacterial Genetics, Institute of Microbiology, Warszawa, Poland.
Introduction: are the most common cause of food poisoning, which manifests itself in diarrhoea of varying severity. Additionally, because of the increasing number of people with immune deficiencies, more frequent serious complications of infections are being observed. The main source of infection is the consumption of contaminated poultry meat, which is a consequence of the insufficiency of current hygiene and biosecurity to control or eliminate it from the poultry food chain.
View Article and Find Full Text PDFBefore October 2024, the Advisory Committee on Immunization Practices (ACIP) recommended use of a pneumococcal conjugate vaccine (PCV) for all adults aged ≥65 years, as well as for those aged 19-64 years with risk conditions for pneumococcal disease who have not received a PCV or whose vaccination history is unknown. Options included either 20-valent PCV (PCV20; Prevnar20; Wyeth Pharmaceuticals) or 21-valent PCV (PCV21; CAPVAXIVE; Merck Sharp & Dohme) alone or 15-valent PCV (PCV15; VAXNEUVANCE; Merck Sharp & Dohme) in series with 23-valent pneumococcal polysaccharide vaccine (PPSV23; Pneumovax23; Merck Sharp & Dohme). There are additional recommendations for use of PCV20 or PCV21 for adults who started their pneumococcal vaccination series with 13-valent PCV (PCV13; Prevnar13; Wyeth Pharmaceuticals).
View Article and Find Full Text PDFHelminthiasis and mpox vaccination: challenges in Sub-Saharan Africa.
Infect Dis (Lond)
January 2025
Migrant and Global Health Research Organization, Mi-Hero, Italy.
The ongoing mpox outbreak in sub-Saharan Africa has highlighted the critical need for equitable vaccine access and robust logistical support. However, these factors alone are insufficient to ensure the success of vaccination campaigns in regions characterized by unique epidemiological and immunological challenges. One significant issue is the high prevalence of helminth infections, which are known to impair immune responses to vaccines, potentially reducing both short-term efficacy and long-term antibody titers.
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