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Extreme caution should be taken to avoid uncontrollable bleeding in treating hypervascular tumors via bronchoscope. We report two cases of endobronchial metastasis of renal cell carcinoma treated with bronchial artery embolization (BAE) before endoscopic treatments. The intraluminal lesions were removed swiftly and safely. Although arterial embolization is not always efficacious in cases of tracheal lesions, BAE is effective for tumors located in the carina, bilateral main bronchus or intermediate bronchus. The addition of BAE before endoscopic tumor removal should be considered a treatment option in patients suffering from airway obstructions due to hypervascular tumors such as renal cell carcinoma.
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http://dx.doi.org/10.2169/internalmedicine.50.3818 | DOI Listing |
Pediatr Blood Cancer
September 2025
Nuffield Department of Surgical Sciences, Oxford University, Oxford, UK.
Background: Local control strategies in pediatric oncology are guided by disease-specific considerations. Effective communication of the goals of surgical procedure and associated intraoperative events plays a crucial role in shaping subsequent treatment decisions. However, accurately and comprehensively documenting these findings remains challenging, with considerable variability across different tumor types.
View Article and Find Full Text PDFKorean J Physiol Pharmacol
September 2025
Department of Endocrinology, The First Hospital of Hunan University of Chinese Medicine, Changsha, Hunan 410007, China.
The progression of renal fibrosis is difficult to reverse, and Poria cocos, one of the main components of Wenyang Zhenshuai Granules, has been shown to be crucial to the development of the epithelial-mesenchymal transition (EMT). This study aimed to examine the molecular mechanism by which Poricoic Acid A (PAA) inhibited the advancement of EMT in renal tubular epithelial (RTE) cells. The protein levels of sprouty RTK signaling antagonist 2 (SPRY2) extracellular regulated protein kinases (ERK), and p-ERK were measured.
View Article and Find Full Text PDFRen Fail
December 2025
Department of Nephrology, The First Hospital of Jilin University, Changchun, China.
Background: Inflammation and hyperuricemia are closely associated with chronic kidney disease (CKD). The systemic inflammation response index (SIRI), systemic immune-inflammation index (SII), monocyte-to-lymphocyte ratio (MLR), neutrophil-to-lymphocyte ratio (NLR), and platelet-to-lymphocyte ratio (PLR) are emerging as novel biomarkers. While, the synergistic effects of these biomarkers with hyperuricemia on CKD remain unclear.
View Article and Find Full Text PDFJ Microbiol Biotechnol
September 2025
Environmental Diseases Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon 34141, Republic of Korea.
Enterohemorrhagic (EHEC), a pathotype within the Shiga toxin-producing (STEC) group, is a major etiological agent of severe gastrointestinal illness and life-threatening sequelae, including hemolytic uremic syndrome. Although insights into EHEC pathogenesis have been gained through traditional 2D cell culture systems and animal models, these platforms are limited in their ability to recapitulate human-specific physiological responses and tissue-level interactions. Recent progress in three-dimensional (3D) cell culture systems, such as spheroids, organoids, and organ-on-a-chip (OoC) technologies, has enabled more physiologically relevant models for investigating host-pathogen dynamics.
View Article and Find Full Text PDFJ Microbiol Biotechnol
September 2025
Environmental Diseases Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon 34141, Republic of Korea.
Shiga toxin (Stx) is a virulence factor produced by serotype 1 and Stx-producing (STEC). It causes severe renal damage, leading to hemolytic uremic syndrome (HUS). The main target organ of Stx, the kidney, plays a role in maintaining water homeostasis in the body by increasing an osmotic gradient from the cortex to the medulla.
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