Arginine decreased cholesterol and triglyceride content in blood sera of intact rats and inhibited the development of hyperlipidemia provoked by Triton WR-1339 injection. In rabbits pretreated with cholesterol arginine diminished the content of blood serum cholesterol and triglycerides. Introduction of arginine to intact and hyperlipidemic guinea pigs decreased the VLDL and increased the HDL level. Under influence of arginine electrophoretic zone of HDL apo A-1 was more pronounced and apo E zone became less distinct in hyperlipidemic guinea pigs.
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Extracellular vesicles in ageing cold-stored whole blood may not compensate for the decreasing haemostatic function in vitro.
Transfus Med
January 2025
Research and Development, Finnish Red Cross Blood Service, Vantaa, Finland.
Background: Extracellular vesicles (EVs) have procoagulative properties. As EVs are known to accumulate in stored blood products, we compared the EV content and coagulation capacity of leukoreduced cold-stored whole blood (CSWB) with current prehospital and in-hospital component therapies to understand the role of EVs in the haemostatic capacity of ageing CSWB.
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Acceptability and Feasibility of Self-Collected Dried Blood Spot Specimens for Viral Load Monitoring among Rural Older People Living with HIV.
AIDS Behav
January 2025
Center for AIDS Intervention Research, Department of Psychiatry and Behavioral Medicine, Medical College of Wisconsin, 2153 N. Dr. Martin Luther King Jr. Dr., Milwaukee, WI, 53212, USA.
Self-collected dried blood spot (DBS) samples may be useful in monitoring viral load (VL) in research studies or clinically given that they eliminate the need for participants to travel to study sites or laboratories. Despite this, little information exists about monitoring VL using DBS self-collected at home, and no information exists on DBS for this use among older rural people living with HIV (PLH), a population that could benefit from self-collection given difficulty accessing care. We report on the feasibility and acceptability of self-collected DBS samples, DBS VL results, concordance between self-reported and DBS VL, and factors associated with DBS detectable VL in a rural Southern U.
View Article and Find Full Text PDFInsights From Diverse Perspectives on Social Media Messages to Inform Young Adults With Cancer About Clinical Trials: Focus Group Study.
JMIR Form Res
January 2025
Department of Epidemiology, Columbia University Mailman School of Public Health, New York, NY, United States.
Background: Low rates of adolescent and young adult (YA; aged 15-39 y) clinical trial enrollment (CTE), particularly among underserved groups, have resulted in a lack of standardized cancer treatments and follow-up guidelines for this group that may limit improvement in cancer treatments and survival outcomes for YAs.
Objective: To understand and address unique barriers to CTE, we conducted focus groups to learn about informational, financial, and psychosocial needs of YAs surrounding CTE and identify strategies to address these barriers.
Methods: We conducted 5 focus groups in 2023 among a diverse sample of YA patients from across the United States.
Keyhole Mini-Pterional Craniotomy for Clipping of Bilateral Middle Cerebral Artery Aneurysms.
World Neurosurg
January 2025
Department of Neurological Surgery, St. John's Neuroscience Institute, Tulsa, OK. Electronic address:
Middle cerebral artery (MCA) aneurysms remain excellent candidates for microsurgical treatment, despite proliferation of new endovascular tools. Nonetheless, patients desire less invasive options for permanent, durable treatment of their aneurysms; this is particularly the case for those presenting without subarachnoid hemorrhage, and those with multiple aneurysms that may require several surgical approaches. Keyhole craniotomies, when properly utilized in well-selected patients, allow for minimally invasive treatment of both ruptured and unruptured cerebral aneurysms, including those harboring bilateral aneurysms which may be treated from a single approach.
View Article and Find Full Text PDFTheoretical and practical considerations for validating antigen-specific B cell ImmunoSpot assays.
J Immunol Methods
January 2025
Research & Development Department, Cellular Technology Limited, Shaker Heights, OH 44122, USA. Electronic address:
Owing to their ability to reliably detect even very rare antigen-specific B cells in cellular isolates such as peripheral blood mononuclear cells (PBMC), and doing so robustly in a high throughput-compatible manner, B cell ELISPOT/FluoroSpot (collectively "B cell ImmunoSpot") tests have become increasingly attractive for immune monitoring in regulated settings. Presently, there are no guidelines for the qualification and validation of B cell ImmunoSpot assay results. Here, we propose such guidelines, building on the experience acquired from T cell ImmunoSpot testing in an environment adhering to the requirements of regulatory bodies yet taking the unique features of B cell assays into account.
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