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Ecophysiological and Molecular Analysis of Contrasting Genotypes for Leaf Senescence in Sunflower ( L.) Under Differential Doses of N in Soil.
Plants (Basel)
December 2024
Instituto de Biotecnología, UEDD INTA CONICET, Buenos Aires 1686, Argentina.
Leaf senescence in plants is the last stage of leaf development and is characterized by a decline in photosynthetic activity, an active degeneration of cellular structures, and the recycling of accumulated nutrients to areas of active growth, such as buds, young leaves, flowers, fruits, and seeds. This process holds economic significance as it can impact yield, influencing the plant's ability to maintain an active photosynthetic system during prolonged periods, especially during the grain filling stage, which affects plant weight and oil content. It can be associated with different stresses or environmental conditions, manifesting itself widely in the context of climate change and limiting yield, especially in crops of agronomic relevance.
View Article and Find Full Text PDFAssociation Between Change in Prognostic Nutritional Index During Neoadjuvant Therapy and Dental Occlusal Support in Patients with Esophageal Cancer Under Neoadjuvant Therapy: A Retrospective Longitudinal Pilot Study.
Nutrients
December 2024
Department of Preventive Dentistry, Faculty of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, Okayama 700-8558, Japan.
A high prognostic nutritional index (PNI) is associated with good prognosis in patients with esophageal cancer. However, nutritional status often decreases during neoadjuvant therapy. Functional tooth units (FTUs) provide an index for the status of posterior occlusal support.
View Article and Find Full Text PDFNewcastle Disease Virus-Vectored African Swine Fever Virus Antigen Cocktail Delays the Onset of ASFV-SY18 but Is Not Protective.
Microorganisms
December 2024
Key Laboratory of Prevention & Control for African Swine Fever and Other Major Pig Diseases, Ministry of Agriculture and Rural Affairs, Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun 130122, China.
African Swine Fever (ASF) is a highly contagious viral disease threatening the global pig industry. Currently, only two gene-deleted live attenuated vaccines are approved, exclusively in Vietnam, and their long-term effectiveness and safety are unproven, prompting the need for safer alternatives. This study assessed a cocktail of African Swine Fever Virus (ASFV) antigens delivered via a recombinant Newcastle Disease Virus (rNDV) vector against the genotype II ASFV-SY18.
View Article and Find Full Text PDFThe Role of Bovine Milk-Derived Exosomes in Human Health and Disease.
Molecules
December 2024
Department of Human Nutrition, Faculty of Food Sciences, University of Warmia and Mazury in Olsztyn, 45f Sloneczna, 10-718 Olsztyn, Poland.
Bovine milk is widely recognized as one of the most valuable sources of nutrients such as proteins, fats, vitamins, and minerals that support the development and health of the body. In recent years, there has been increasing scientific interest in exosomes, the small membrane-bound vesicles found in milk. Through their content (e.
View Article and Find Full Text PDFUnderstanding the Molecular Impact of Physical Exercise on Alzheimer's Disease.
Int J Mol Sci
December 2024
Institute of Biomedicine (IBIOMED), University of León, 24071 Leon, Spain.
Alzheimer's disease is one of the most common neurodegenerative diseases, characterized by a wide range of neurological symptoms that begin with personality changes and psychiatric symptoms, progress to mild cognitive impairment, and eventually lead to dementia. Physical exercise is part of the non-pharmacological treatments used in Alzheimer's disease, as it has been shown to delay the neurodegenerative process by improving the redox state in brain tissue, providing anti-inflammatory effects or stimulating the release of the brain-derived neurotrophic factor that enhances the brain structure and cognitive performance. Here, we reviewed the results obtained from studies conducted in both animal models and human subjects to comprehend how physical exercise interventions can exert changes in the molecular mechanisms underlying the pathophysiological processes in Alzheimer's disease: amyloid β-peptide pathology, tau pathology, neuroglial changes, mitochondrial dysfunction, and oxidative stress.
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