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http://dx.doi.org/10.1093/rheumatology/keab705 | DOI Listing |
J Pediatr Urol
December 2024
Department of Pediatrics, Faculty of Medicine, Cairo University, Cairo, Egypt. Electronic address:
Backgrounds: The pathophysiology of nephrolithiasis is complex, influenced by both environmental and genetic factors. Calcium is the most prevalent metabolite present in the stone matrix. Stimulating the basolateral calcium sensing receptor (CASR) in the renal tubules leads to an increase in claudin-14 expression, reducing paracellular calcium permeability and increasing urinary Ca excretion.
View Article and Find Full Text PDFSkeletal Radiol
January 2025
Department of Radiology, Massachusetts General Hospital, Harvard Medical School, 32 Fruit Street, Yawkey 6044, Boston, MA, 02114, USA.
The radiological manifestations of calcium pyrophosphate deposition (CPPD) revolve around two main axes: the asymptomatic form and CPPD disease. The latter is a consequence of an immune response to calcium phosphate crystals. Chondrocalcinosis is broadly considered the radiographic manifestation of CPPD regardless of whether it is asymptomatic or associated with inflammatory arthritis.
View Article and Find Full Text PDFACS Biomater Sci Eng
January 2025
CIRIMAT, Toulouse INP, Université Toulouse 3 Paul Sabatier, CNRS, Université de Toulouse, ENSIACET, 4 allée Emile Monso, Toulouse 31030, France.
Pyrophosphate-stabilized amorphous calcium carbonates (PyACC) are promising compounds for bone repair due to their ability to release calcium, carbonate, and phosphate ions following pyrophosphate hydrolysis. However, shaping these metastable and brittle materials using conventional methods remains a challenge, especially in the form of macroporous scaffolds, yet essential to promote cell colonization. To overcome these limitations, this article describes for the first time the design and multiscale characterization of freeze-cast alginate (Alg)-PyACC nanocomposite scaffolds.
View Article and Find Full Text PDFAm J Med
December 2024
Department of Family Practice, Ehime Seikyo Hospital, Ehime, Japan.; Center for General Medicine Education, School of Medicine, Keio University, Tokyo, Japan.. Electronic address:
Int J Mol Sci
December 2024
Department of Medical and Surgical Sciences, "Magna Grecia" University, 88100 Catanzaro, Italy.
Vascular calcification (VC) is a biological phenomenon characterized by an accumulation of calcium and phosphate deposits within the walls of blood vessels causing the loss of elasticity of the arterial walls. VC plays a crucial role in the incidence and progression of chronic kidney disease (CKD), leading to a significant increase in cardiovascular mortality in these patients. Different conditions such as age, sex, dyslipidemia, diabetes, and hypertension are the main risk factors in patients affected by chronic kidney disease.
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