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Inverse dose protraction effects of high-LET radiation: evidence and significance.
Mutat Res Rev Mutat Res
January 2025
Radiation Epidemiology Branch, National Cancer Institute, MD 20892-9778, USA; Faculty of Health, Science and Technology, Oxford Brookes University, Headington Campus, OX3 0BP, UK.
Biological effects of ionizing radiation vary with radiation quality, which is often expressed as the amount of energy deposited per unit length, i.e., linear energy transfer (LET).
View Article and Find Full Text PDF[Addison's disease: looking to the past and the future].
Rev Med Liege
January 2025
Service d'Endocrinologie, CHU Liège, Belgique.
In 1849, Thomas Addison discovered alterations in the adrenal glands at autopsy of three patients who had died with idiopathic anemia. Struck by Addison's work, Charles-Edouard Brown-Séquard demonstrated in 1851 that bilateral adrenalectomy in dogs was fatal. It was not until 1950 that the discovery of the hormones of the adrenal cortex, their structure and their biological effects allowed Kendall, Reichstein and Hench to win the Nobel Prize in Physiology or Medicine.
View Article and Find Full Text PDFInverse dose protraction effects of low-LET radiation: evidence and significance.
Mutat Res Rev Mutat Res
January 2025
Radiation Epidemiology Branch, National Cancer Institute, MD 20892-9778, USA; Faculty of Health, Science and Technology, Oxford Brookes University, Headington Campus, OX3 0BP, UK.
Biological effects of ionizing radiation vary not merely with total dose but also with temporal dose distribution. Sparing dose protraction effects, in which dose protraction reduces effects of radiation have widely been accepted and generally assumed in radiation protection, particularly for stochastic effects (e.g.
View Article and Find Full Text PDFAntibody dynamics in dogs submitted to different canine visceral leishmaniasis treatment protocols.
Rev Bras Parasitol Vet
January 2025
Programa de Pós-graduação em Medicina Veterinária, Laboratório de Doenças Parasitárias, Departamento de Medicina Veterinária Preventiva, Universidade Federal de Santa Maria - UFSM, Santa Maria, RS, Brasil.
This study evaluated dynamics of antibodies in dogs treated for canine visceral leishmaniasis (CVL). Twenty-one dogs naturally infected by Leishmania spp. were grouped based on the treatment protocol: G1 (n=4) received allopurinol; G2 (n=10) allopurinol with miltefosine; and G3 (n=7) allopurinol, miltefosine and Leish-Tec® vaccine.
View Article and Find Full Text PDFDevelopment of a Framework for the Hemodynamic Impact of Positive End-Expiratory Pressure in Normal and Heart Failure Conditions.
Am J Physiol Heart Circ Physiol
January 2025
NTTR-NCVC Bio Digital Twin Center, National Cerebral and Cardiovascular Center, Suita, Osaka, Japan.
Positive end-expiratory pressure (PEEP) improves respiratory conditions. However, the complex interaction between PEEP and hemodynamics in heart failure patients makes it challenging to determine appropriate PEEP settings. In this study, we developed a framework for the impact of PEEP on hemodynamics considering cardiac function, by integrating the impact of PEEP in the generalized circulatory equilibrium framework, and validated the framework by assessing its ability to accurately predict PEEP-induced hemodynamics.
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