Exaggerated blood pressure (BP) reactivity to stress may contribute to left ventricular (LV) hypertrophy, a major risk factor for cardiovascular morbidity. This study examined the extent to which BP responses to acute stress are associated with LV mass and relative wall thickness in a community sample of African-American and white men and women. BP was measured at rest and in response to 2 acute challenges (mental arithmetic and handgrip). Systolic BP at rest was positively associated with LV mass and relative wall thickness (p < 0.001). The associations between the responses to the stressors and LV mass were not significant. African-American and white men who exhibited high BP responses to the arithmetic stressor had greater relative wall thickness than those with low reactivity (p < 0.05). In conclusion, BP reactivity is not related to LV mass, but may be related to concentric remodeling.
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http://dx.doi.org/10.1016/j.amjcard.2005.07.134 | DOI Listing |
Biochemistry (Mosc)
December 2024
Pushchino Scientific Center for Biological Research, Russian Academy of Sciences, Skryabin Institute of Biochemistry and Physiology of Microorganisms, Pushchino, Moscow Region, 142290, Russia.
VKM Ac-1390 (family Microbacteriaceae, class Actinomycetes) contains three rhamnose-containing glycopolymers in the cell wall, the structures of which were established by chemical and NMR spectroscopy methods. The first polymer, a rhamnomannan, consists of repeating tetrasaccharide units with xylopyranose side residues, →2)-α-[β-D-Xyl-(1→3)]-D-Rha-(1→3)-α-D-Man-(1→2)-α-D-Rha-(1→3)-α-D-Man-(1→. The second polymer found in minor amounts, is a rhamnan, →2)-α-D-Rha-(1→3)-α-D-Rha-(1→.
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January 2025
Department of Surgery IV, George Emil Palade University of Medicine, Pharmacy, Science and Technology of Targu Mures, 38 Gheorghe Marinescu Street, 540139 Targu Mures, Romania.
: Totally endoscopic techniques have become increasingly popular in cardiac surgery, with minimally invasive mitral valve repair emerging as an effective alternative to median sternotomy. This approach could be particularly advantageous for patients with Noonan syndrome, who often present with structural thoracic anomalies and other comorbidities like bleeding disorders. Endoscopic mitral valve surgery is rapidly establishing itself as the new standard of care for mitral valve operations, demonstrating both safety and efficacy.
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January 2025
Institute of Biology, Biotechnology and Environmental Protection, Faculty of Natural Sciences, University of Silesia in Katowice, 9 Bankowa St., 40-007 Katowice, Poland.
Carnivorous plants have fascinated botanists and ecologists with their various unusual adaptations in organ structure, physiology, and complex interactions with other organisms since the time of Charles Darwin. Species of the genus (bladderworts, family Lentibulariaceae) are carnivorous plants that prey mainly on invertebrates using traps (bladders) of leaf origin. In the traps, there are glandular trichomes called quadrifids, which produce digestive enzymes and absorb the products of prey digestion.
View Article and Find Full Text PDFInt J Mol Sci
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Key Laboratory of the Pest Monitoring and Safety Control of Crops and Forests of the Xinjiang Uygur Autonomous Region, College of Agronomy, Xinjiang Agricultural University, Urumqi 830052, China.
Pathogenesis-related protein-1 (PR1) encodes a water-soluble protein produced in plants after pathogen infection or abiotic stimulation. It plays a crucial role in plant-induced resistance by attacking pathogens, degrading cell wall macromolecules and pathogen toxins, and inhibiting the binding of viral coat proteins to plant receptor molecules. Compared to model plants, the mechanism of action of PR1 in wheat remains underexplored.
View Article and Find Full Text PDFInt J Mol Sci
January 2025
Maize Research Institute, Shandong Academy of Agricultural Sciences, Jinan 250100, China.
ERF56, a member of the APETALA2/ETHYLENE-RESPONSIVE FACTOR (AP2/ERF) transcription factor (TF) family, was reported to be an early nitrate-responsive TF in . But the function of in nitrate signaling remains not entirely clear. This study aimed to investigate the role of in nitrate-dependent plant growth and nitrate signaling.
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