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A Phase I/IIa Clinical Trial to Evaluate Safety and Adrenal Uptake of Para-Chloro-2-[F]Fluoroethyletomidate in Healthy Volunteers and Patients with Primary Aldosteronism.
J Nucl Med
January 2025
Cambridge Endocrine Molecular Imaging Group, Institute of Metabolic Science, University of Cambridge, Cambridge, United Kingdom;
Primary aldosteronism (PA) is a common, potentially reversible, cause of hypertension. Distinguishing unilateral from bilateral PA is critical when deciding who should be offered surgery (unilateral adrenalectomy). Recent studies have shown that PET/CT with [C]metomidate can accurately identify unilateral PA, with localization of the causative aldosterone-producing adenoma (APA).
View Article and Find Full Text PDFCatecholamine synthesis and secretion by adrenal chromaffin cells is reduced in deer mice native to high altitude.
Am J Physiol Regul Integr Comp Physiol
January 2025
Department of Biology, McMaster University, 1280 Main Street West, Hamilton, ON, L8S 4K1, Canada.
Hypoxia at high altitude can constrain aerobic metabolism and elicit physiological responses that are detrimental to health and fitness. Responses of the sympathoadrenal system are vital for coping with acute hypoxia, but can become maladaptive with prolonged activation in chronic hypoxia. We examined how adrenal function is altered in high-altitude populations of deer mice (), which have evolved to overcome chronic hypoxia in their native environment.
View Article and Find Full Text PDFIsolated adrenocorticotropic hormone deficiency manifested after COVID-19.
J Infect Chemother
January 2025
Department of Rheumatology, University of Yamanashi Hospital, 1110 Shimokato, Chuo-shi, Yamanashi 409-3898, Japan. Electronic address:
Coronavirus disease 2019 (COVID-19) caused by severe acute respiratory syndrome coronavirus 2 and long COVID can present with nonspecific symptoms resembling adrenal insufficiency. This similarity of symptoms means that adrenal insufficiency hidden among nonspecific manifestations of COVID-19 may pass underrecognized. We present the case of a 53-year-old Japanese man who developed isolated adrenocorticotrophic hormone (ACTH) deficiency (IAD) and acute adrenal insufficiency after COVID-19, thus mimicking prolonged symptoms of COVID-19.
View Article and Find Full Text PDFDeep Learning-Powered CT-Less Multitracer Organ Segmentation From PET Images: A Solution for Unreliable CT Segmentation in PET/CT Imaging.
Clin Nucl Med
January 2025
From the Division of Nuclear Medicine and Molecular Imaging, Geneva University Hospital, Geneva, Switzerland.
Purpose: The common approach for organ segmentation in hybrid imaging relies on coregistered CT (CTAC) images. This method, however, presents several limitations in real clinical workflows where mismatch between PET and CT images are very common. Moreover, low-dose CTAC images have poor quality, thus challenging the segmentation task.
View Article and Find Full Text PDFTranscriptomics and psychotherapy: An integrative review.
Brain Behav Immun Health
December 2024
Cousins Center for Psychoneuroimmunology, Semel Institute for Neuroscience and Human Behavior, UCLA, Los Angeles, CA, USA.
Gold-standard psychotherapies like cognitive-behavioral therapy (CBT) show beneficial effects, but patient responses vary, indicating a need to predict and optimize treatment efficacy. Gene expression analysis may offer insights into the interplay between psychosocial processes and biological factors that impact psychopathology and therapeutic response. This integrative review examines 17 studies that assess gene expression in the context of psychotherapy, highlighting innovative frameworks for incorporating gene expression analysis in diagnosis, predicting treatment response, and monitoring treatment progress.
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