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Protein kinase C iota (PKCι) and pVHL are both needed for lysosomal degradation of α5 integrin in renal carcinoma cells.
Mol Biol Rep
January 2025
Department of Biology, Adelphi University, One South Avenue, P.O. Box 701, Garden City, NY, 11530-0701, USA.
Background: von Hippel-Lindau (VHL) hereditary cancer syndrome is caused by mutations in the VHL tumor suppressor gene and is characterized by a predisposition to form various types of tumors, including renal cell carcinomas, hemangioblastomas, and pheochromocytomas. The protein products of the VHL gene, pVHL, are part of an ubiquitin ligase complex that tags hypoxia inducible factor alpha (HIF-α) for proteosomal degradation. pVHL has also been reported to bind to atypical protein kinase C (aPKC).
View Article and Find Full Text PDFClinical presentation of pheochromocytoma and screening recommendations.
Rev Clin Esp (Barc)
January 2025
Servicio de Endocrinología y Nutrición, Hospital Universitario Ramón y Cajal, Madrid, Spain; Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), Madrid, Spain. Electronic address:
Pheochromocytomas are neuroendocrine tumors that derive from sympathetic adrenomedullary chromaffin tissue and produce catecholamines. Due to the excess release of catecholamines, they can produce arterial hypertension, tachycardia, sweating, headache and a large number of other clinical manifestations secondary to the stimulation of α and β adrenoreceptors. Screening for pheochromocytoma is recommended in patients with paroxysmal, resistant or early-onset arterial hypertension, in cases with symptoms suggestive of catecholamine hypersecretion, patients with hereditary syndromes associated with pheochromocytomas, diabetes mellitus of atypical presentation and in adrenal incidentalomas with radiological characteristics not typical of adenoma (with > 10 Hounsfield Units on non-contrast CT).
View Article and Find Full Text PDFURINARY BLADDER PARAGANGLIOMA- A NOTEWORTHY, RARE ENTITY.
Acta Endocrinol (Buchar)
January 2025
All India Institute of Medical Science, Department of Pathology & Lab Medicine, Mangalagiri, Guntur, India.
Unlabelled: Urinary Bladder paraganglioma accounts for 0.06% of all bladder tumors and 1% of all pheochromocytoma. Most tumors are localized at the dome or trigone and are unifocal.
View Article and Find Full Text PDFSWEET'S SYNDROME ASSOCIATED WITH PHEOCHROMOCYTOMA: A RARE CASE REPORT AND REVIEW OF LITERATURE.
Acta Endocrinol (Buchar)
January 2025
Municipal Clinical Hospital - Urology, Cluj-Napoca.
Background: Sweet's syndrome (SS) or acute febrile neutrophilic dermatosis is a dermatological illness that can be described by tender erythematous plaques or nodules and acute onset fever. The etiology is multifactorial and is not fully understood. SS is separated in three subclasses: classical, malignancy-associated, and drug-induced.
View Article and Find Full Text PDFScreening of primary aldosteronism and pheochromocytoma among patients with hypertension: an Italian nationwide survey.
J Endocrinol Invest
January 2025
Division of Internal Medicine 4 and Hypertension Unit, Department of Medical Sciences, University of Torino, Torino, Italy.
Purpose: The delayed or missed diagnosis of secondary hypertension contributes to the poor blood pressure control worldwide. This study aimed to assess the diagnostic approach to primary aldosteronism (PA) and pheochromocytoma (PHEO) among Italian centers associated to European and Italian Societies of Hypertension.
Methods: Between July and December 2023, a 10-items questionnaire was administered to experts from 82 centers of 14 Italian regions and to cardiologists from the ARCA (Associazioni Regionali Cardiologi Ambulatoriali) Piemonte.
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