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Objective: This study investigates the effects of a Brazil nut-enriched diet on body composition and bone parameters in CKD animal model.
Methods: Male Wistar rats were assigned to the following groups: Sham (n=8), Nx (n=6), nephrectomized rats, and NxBN (n=6), nephrectomized rats and an enricheddiet with 5% Brazil nut. Body composition parameters were obtained by dual-energy X- ray absorptiometry (DXA). Bioclin kits determined plasmatic calcium. The femurs werecollected to determine absolute mass and length, bone mineral density, and biomechanical tests.
Results: The NxBN group exhibited a higher total body bone mineral density (BMD) value than the Nx group (0.177±0.004g/cmvs 0,169±0.003g/cm; p=0.0397). No significant differences were observed regarding absolute mass, length, BMD, and biomechanical parameters in the femurs of the groups. Moreover, no significant differences were found in plasmatic calcium levels among the groups.
Conclusions: Brazil-nut enriched diet modulated BMD in CKD experimental model, and further studies are demanded to understand the pathways involved in this finding.
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http://dx.doi.org/10.1016/j.nut.2024.112482 | DOI Listing |
Bone
September 2025
Department of Bone and Mineral Research, Research Institute, Osaka Women's and Children's Hospital, Osaka Prefectural Hospital Organization, Izumi, Osaka, 594-1101, Japan. Electronic address:
Hypophosphatasia (HPP) is caused by inactivating variants of ALPL, the gene encoding tissue non-specific alkaline phosphatase (TNSALP). In order to deepen our understanding of the pathogenic mechanisms of HPP, we herein generated ALPL-knockout (KO) human induced pluripotent stem (iPS) cells by applying CRISPR/Cas9-mediated gene deletion to an iPS clone derived from a healthy subject. We analyzed two ALPL-KO clones, one ALPL-hetero KO clone, and a control clone isogenic except for ALPL.
View Article and Find Full Text PDFBioorg Chem
September 2025
Key Innovation Laboratory for Deep and Intensive Processing of Yanbian High Quality Beef (Co-construction by Ministry and Province), Ministry of Agriculture and Rural Affairs, Yanbian University, Yanji 133002, PR China; Department of Food Science and Technology, College of Agricultural, Yanbian Univ
In this study, bovine peptide‑calcium chelates (BBP-Ca) were prepared via enzymatic hydrolysis to generate peptides and fermentation to obtain soluble calcium ions, which were then chelated together. The structural characteristics of BBP-Ca were comprehensively analyzed using FTIR, SEM, and UV spectroscopy. Additionally, its antioxidant capacity was evaluated by examining its protective effects against oxidative stress-induced damage in Caco-2 cells.
View Article and Find Full Text PDFAm J Hematol
September 2025
Calcium Metabolism and Osteoporosis Program, WHO Collaborating Center for Metabolic Bone Disorders, Division of Endocrinology, American University of Beirut Medical Center, Beirut, Lebanon.
Ann Gastroenterol Surg
September 2025
Division of Gastrointestinal Surgery, Department of Surgery Jikei University School of Medicine Tokyo Japan.
Background: Our previous study suggested that low bone mineral density (BMD), known as osteopenia, was a poor prognostic factor in patients who underwent esophagectomy for esophageal cancer (EC).Meanwhile, the association between BMD reduction during neoadjuvant chemotherapy (NAC) and the worse prognosis remains unknown, although esophagectomy after NAC is the first option for the treatment of advanced esophageal squamous cell carcinoma (ESCC). Therefore, this study intended to investigate the prognostic impact of BMD reduction during NAC.
View Article and Find Full Text PDFInt J Implant Dent
September 2025
Department of Periodontology, Center for Biomedical Education and Research (ZBAF), School of Dentistry, Faculty of Health, Witten/Herdecke University, Witten, Germany.
Background: Guided bone regeneration (GBR) relies on biocompatible membranes to support osteogenesis. 1,4-butanediol diglycidyl ether (BDDE)-crosslinked hyaluronic acid (xHyA) has shown promise in enhancing bone regeneration, yet its mechanisms remain unclear.
Objective: This study evaluates the osteogenic effects of xHyA-functionalized native pericardium collagen membrane (NPCM) and ribose-crosslinked collagen membrane (RCCM) using an airlift culture model with SaOS-2 cells.