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J Cutan Med Surg
January 2025
Division of Dermatology, Department of Medicine, University of Toronto, Toronto, ON, Canada.
J Cutan Med Surg
January 2025
Division of Dermatology, Department of Medicine, University of Toronto, Toronto, ON, Canada.
Am J Psychiatry
January 2025
Nathan Kline Institute for Psychiatric Research, Orangeburg, NY (Stern, Collins, Bragdon, Eng, Recchia, Tobe, Iosifescu); Department of Psychiatry (Stern, Bragdon, Eng, Recchia, Iosifescu) and Neuroscience Institute (Stern, Iosifescu), New York University Langone Medical Center, New York; Department of Psychiatry, University of Miami Medical School, Miami (Coffey); Department of Psychiatry, Icahn School of Medicine at Mount Sinai, New York (Leibu, Murrough); Center for the Developing Brain, Child Mind Institute, New York (Tobe); Department of Psychiatry, Brigham and Women's Hospital, Boston (Burdick); Harvard Medical School, Boston (Burdick); Department of Psychiatry, Baylor College of Medicine, Houston (Goodman).
Objective: Sensory phenomena (SP) are aversive sensations driving repetitive behaviors in obsessive-compulsive disorder (OCD) and Tourette's disorder that are not well addressed by standard treatments. SP are related to the functioning of an interoceptive-sensorimotor circuit that may be modulated by the 5-HT receptor antagonist ondansetron. The present study employed an experimental medicine approach to test the effects of 4 weeks of high-dose ondansetron compared to placebo on SP severity and brain connectivity in a cohort of individuals with OCD and/or Tourette's disorder.
View Article and Find Full Text PDFMar Environ Res
January 2025
College of Environmental Science and Engineering, Ocean University of China, Qingdao, 266100, China.
Diarrhetic shellfish toxins (DSTs) are widespread in marine environments, posing potential threats to marine ecosystems, shellfish aquaculture, and human health. Despite their prevalence, knowledge of the stability of dissolved DSTs in seawater is still limited. This study aimed to investigate the effects of bacteria, temperature, and irradiation on the stability of dissolved okadaic acid (OA) and dinophysistoxin-1 (DTX1) in seawater.
View Article and Find Full Text PDFJ Appl Physiol (1985)
January 2025
Medical Physics Graduate Program, Duke University, Durham, North Carolina, United States.
Hyperpolarized Xe MRI/MRS enables quantitative mapping of function in lung airspaces, membrane tissue, and red blood cells (RBCs) within the pulmonary capillaries. The RBC signal also exhibits cardiogenic oscillations that are reduced in pre-capillary pulmonary hypertension (PH). This effect is obscured in patients with concomitant defects in transfer from airspaces to RBCs, which increase RBC oscillation amplitudes.
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