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Comprehensive Characterization via Molecular Imaging, Longitudinal Multisite Sampling, and Autoptic Work-up in Advanced Small Cell Lung Cancer Undergoing SSTR-Directed Radiopharmaceutical Therapy.
J Nucl Med
January 2025
Nuclear Medicine, Faculty of Medicine, University of Augsburg, Augsburg, Germany.
Despite the addition of immune checkpoint blockade to first-line chemotherapy, the prognosis for patients with small cell lung cancer (SCLC) is still devastating. For the subset of SCLC with somatostatin receptor (SSTR) overexpression, radiopharmaceutical therapy (RPT) might be an effective future treatment option. Here, we present the case of a heavily pretreated stage IV SCLC patient showing an exceptional response to SSTR-directed RPT.
View Article and Find Full Text PDFFactors associated with grade progression in pancreatic neuroendocrine tumors.
Endocr Relat Cancer
January 2025
E Bergsland, Department of Medicine, UCSF Helen Diller Family Comprehensive Cancer Center, San Francisco, United States.
Grade progression of well differentiated pancreatic neuroendocrine tumors (panNETs) can occur over time, with G1/2 to G3 the most clinically relevant form. Here we conducted a retrospective cohort study of 66 patients with initially G1/2 panNET (median initial Ki67, 4.6%).
View Article and Find Full Text PDFThe Primary Cilia are Associated with the Axon Initial Segment in Neurons.
Adv Sci (Weinh)
January 2025
State Key Laboratory of Membrane Biology, School of Life Sciences, Peking University, Beijing, 100871, China.
The primary cilia serve as pivotal mediators of environmental signals and play crucial roles in neuronal responses. Disruption of ciliary function has been implicated in neuronal circuit disorders and aberrant neuronal excitability. However, the precise mechanisms remain elusive.
View Article and Find Full Text PDFReal-time detection of somatostatin release from single islets reveals hypersecretion in type 2 diabetes.
Acta Physiol (Oxf)
February 2025
Department of Medical Cell Biology, Uppsala University, Uppsala, Sweden.
Aim: Somatostatin from pancreatic δ-cells is a paracrine regulator of insulin and glucagon secretion, but the release kinetics and whether secretion is altered in diabetes is unclear. This study aimed to improve understanding of somatostatin secretion by developing a tool for real-time detection of somatostatin release from individual pancreatic islets.
Methods: Reporter cells responding to somatostatin with cytoplasmic Ca concentration ([Ca]) changes were generated by co-expressing somatostatin receptor SSTR2, the G-protein Gα15 and a fluorescent Ca sensor in HeLa cells.
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