Results 71 to 80 of about 19,810 (255)

Expression of somatostatin receptors in hemangioblastomas associated with von Hippel-Lindau disease as a novel diagnostic, therapeutic, and follow-up opportunity: A case report and literature review

open access: yesArchives of Endocrinology and Metabolism
SUMMARY Hemangioblastomas associated with von Hippel-Lindau (VHL) disease are frequently multiple and recur during prolonged follow-up. Currently, no systemic treatment is available for these tumors.
Eloá Pereira Brabo   +4 more
doaj   +1 more source

Acanthosis nigricans in a patient with metastatic insulinoma post peptide receptor radionuclide therapy

open access: yesEndocrinology, Diabetes & Metabolism Case Reports, 2022
Acanthosis nigricans (AN) is a common dermatosis associated with hyperinsulinemia and insulin resistance. However, AN has been rarely reported in patients with insulinoma, a state of persistent hyperinsulinemia. We present a case of metastatic insulinoma,
Jenny S W Yun   +3 more
doaj   +1 more source

Inhibition of SIRT7 Overcomes Radioresistance in Pancreatic Neuroendocrine Tumors by Reactivating MEN1 Expression

open access: yesAdvanced Science, EarlyView.
Pancreatic neuroendocrine tumors frequently silence MEN1 through epigenetic mechanisms. Here, SIRT7 recruits DNMT1 to the MEN1 promoter, drives hypermethylation, and enhances DNA repair. Inhibiting SIRT7 restores MEN1, reduces MRN complex abundance, impairs double‐strand break repair, and sensitizes PanNET models to radiation, supporting SIRT7 as a ...
Jianyun Jiang   +11 more
wiley   +1 more source

[111In-DTPA]octreotide tumor uptake in GEPNET liver metastases after intra-arterial administration: An overview of preclinical and clinical observations and implications for tumor radiation dose after peptide radionuclide therapy [PDF]

open access: yes, 2014
Aims: With the aim to improve peptide receptor radionuclide therapy effects in patients with gastroenteropancreatic neuroendocrine tumor (GEPNET) liver metastases we explored the effect of intra-arterial (IA) administration of [111In-DTPA]octreotide ...
Breeman, W.A.P. (Woulter)   +8 more
core   +2 more sources

T Cell Exhaustion in Cancer Immunotherapy: Heterogeneity, Mechanisms, and Therapeutic Opportunities

open access: yesAdvanced Science, EarlyView.
T cell exhaustion limits immunotherapy efficacy. This article delineates its progression from stem‐like to terminally exhausted states, governed by persistent antigen, transcription factors, epigenetics, and metabolism. It maps the exhaustion landscape in the TME and proposes integrated reversal strategies, providing a translational roadmap to overcome
Yang Yu   +7 more
wiley   +1 more source

Seleksi Model pada Peptide-receptor Radionuclide Therapy dengan 177Lu-DOTATATE untuk Dosimetri Ginjal

open access: yesJurnal Fisika Flux, 2022
Seleksi model merupakan aspek penting dari analisis data farmakokinetik. Seleksi model dilakukan untuk memperoleh fungsi terbaik yang selanjutnya digunakan dalam perhitungan nilai TIACs pada dosimetri individu.
Rahmatul Hanifah   +5 more
doaj   +1 more source

Potentiation of peptide receptor radionuclide therapy by the PARP inhibitor olaparib [PDF]

open access: yes, 2016
Metastases expressing tumor-specific receptors can be targeted and treated by binding of radiolabeled peptides (peptide receptor radionuclide therapy or PRRT).
Beerens, C.E.M.T. (Cecile)   +7 more
core   +1 more source

A FAP‐Targeted SMDC Platform Enables Synergistic Radionuclide–Chemotherapy with PET‐Guided Evaluation

open access: yesAdvanced Science, EarlyView.
A fibroblast activation protein (FAP)‐targeted small molecule–drug conjugate (SMDC) platform is developed to integrate PET imaging with synergistic radionuclide–chemotherapy. Linker chemistry governs stability, exposure, and tolerability, with the VC linker providing superior in vivo performance.
Ruitao Yang   +6 more
wiley   +1 more source

Paraganglioma of the thyroid gland: A case report [PDF]

open access: yesVojnosanitetski Pregled, 2014
Introduction. Thyroid paraganglioma is a very rare malignant neuroendocrine tumor. Immunohistochemical features of thyroid paraganglioma are helpful for the diagnosis. Case report.
Filipović Aleksandar   +2 more
doaj   +1 more source

Accuracy and precision assessment for activity quantification in individualized dosimetry of 177Lu-DOTATATE therapy [PDF]

open access: yes, 2017
Background: In order to obtain a reliable 177Lu-DOTATATE therapy dosimetry, it is crucial to acquire accurate and precise activity measurements with the radionuclide calibrator, the SPECT/CT camera, and the NaI(Tl) well counter. The aim of this study was
Flamen, Patrick   +6 more
core   +2 more sources

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