We investigated the effect of oral curcumin, on bone health of rats fed a high-fructose diet. Suckling pups (males = 65, females = 63) were gavage with 0.5% DMSO, curcumin (500 mg/kg), fructose (20%, w/v) or a combination of curcumin and fructose daily from postnatal days 6 to 21. Then the rats were weaned onto normal rat feed for six weeks and each group was sub-divided into two subgroups: one had plain tap water and the other had fructose (20%, w/v) to drink. Blood was assayed for plasma total osteocalcin. Morphometry and radiographic bone density assessments were made on the femora and tibiae. The lengths, masses and Seedor indices of the bones were similar (p > 0.05, ANOVA) across the groups. Males that received curcumin with or without fructose during suckling and weaned onto a high-fructose diet had lower (p ≤ 0.05, ANOVA) osteocalcin concentration versus the other males. Similarly, in females rats, curcumin alone or administered with fructose resulted in lower (p ≤ 0.05, ANOVA) osteocalcin concentration versus female rats administered the vehicle control. Neonatal curcumin-induced decrease in plasma total osteocalcin concentration may predispose to adverse consequences on glucose metabolism and bone health.
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http://dx.doi.org/10.4149/gpb_2019025 | DOI Listing |
J Clin Immunol
December 2024
Pediatric Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, University of Bologna, Bologna, Italy.
Background: Activated Phosphoinositide 3-Kinase (PI3K) δ Syndrome (APDS), an inborn error of immunity due to upregulation of the PI3K pathway, leads to recurrent infections and immune dysregulation (lymphoproliferation and autoimmunity).
Methods: Clinical and genetic data of 28 APDS patients from 25 unrelated families were collected from fifteen Italian centers.
Results: Patients were genetically confirmed with APDS-1 (n = 20) or APDS-2 (n = 8), with pathogenic mutations in the PIK3CD or PIK3R1 genes.
Methods Mol Biol
December 2024
Department of Experimental Medicine, Biotechnology, and Molecular Biology Section, Luigi Vanvitelli Campania University, Naples, Italy.
Mesenchymal stromal cells (MSCs) are a heterogeneous population of non-hematopoietic adult stem cells derived from the embryonic mesoderm. They possess self-renewal and multipotent differentiation capabilities, allowing them to give rise to mesodermal cell types, such as osteoblasts, chondroblasts, and adipocytes, as well as non-mesodermal cells, including neuron-like cells and endothelial cells. MSCs play a vital role in maintaining homeostasis across various tissues by facilitating tissue repair, immune regulation, and inflammatory response balance.
View Article and Find Full Text PDFArch Orthop Trauma Surg
December 2024
Henry Community Health, 2200 Forest Ridge Parkway, New Castle, IN47362, USA.
Background: Indications for primary total knee arthroplasty (TKA) have become more inclusive of morbidly obese patients, however, higher rates of complications and lower implant survival have also been reported in this population. The purpose of this study was to investigate the mid-term survival, clinical, and radiographic outcomes of a cementless trabecular metal monoblock tibial component in severely obese patients.
Methods: This was a retrospective study of class II and III obese (BMI > 35) patients who received a cementless primary TKA.
Clin Oral Investig
December 2024
Department of Oral Surgery and Stomatology, School of Dental Medicine, University of Bern, Bern, Switzerland.
Objectives: To analyze the trends in the context of implant therapy in a 3-year patient population and compare it with data obtained over the last 20 years.
Materials And Methods: All adult subjects who received treatment in the context of implant therapy between 2020 and 2022 were included in this retrospective study. Data regarding patient demographics, indications and location of implant therapy, implant characteristics, surgical techniques, complications, and early implant failures were recorded and compared to data obtained in the years 2002-2004, 2008-2010, and 2014-2016.
J Bone Miner Res
December 2024
Cardiovascular Research Laboratory, Spaulding Hospital Cambridge, Cambridge, MA.
Bone vasculature is richly innervated by an extensive network of sympathetic nerves. However, our understanding of bone blood flow regulation and its contribution to human bone health is limited. Here, we further our previous findings by characterizing bone vascular responses in the absence of sympathetic control - studying individuals with spinal cord injury (SCI), a population with known peripheral sympathetic disruption.
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