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A BMP-2 sustained-release scaffold accelerated bone regeneration in rats via the BMP-2 consistent activation maintained by a non-sulfate polysaccharide.
Biomed Mater
January 2025
School of Food Science and Technology, Dalian Polytechnic University, SKL of Marine Food Processing & Safety Control, National Engineering Research Center of Seafood, Dalian 116034, People's Republic of China.
Bone morphogenetic protein 2 (BMP-2) and a polysaccharide (SUP) were embedded in the calcium phosphate cement (CPC) scaffold, and the bone repair ability was evaluated. The new scaffolds were characterized using x-ray diffraction, Fourier transform-infrared, scanning electron microscopy, and energy dispersive spectroscopy analyses. CPC-BMP2-SUPH scaffold promoted the BMP-2 release by 1.
View Article and Find Full Text PDFDietary Intake and Micronutrient Adequacy among Adults in Rural Sri Lanka: Findings from a Cross-Sectional Baseline Survey.
Public Health Nutr
January 2025
International Food Policy Research Institute, Eye Street, 1201 I St NW, Washington, DC 20005.
Objective: To characterize food group consumption, assess the contribution of food groups to energy and micronutrient intake, and estimate usual nutrient intake among adults in rural Sri Lanka.
Design: A baseline survey (Dec 2020-Feb 2021) was conducted as part of an agriculture-based, nutrition-sensitive resilience program evaluation. Dietary intake was assessed using telephone-based 24-hour recalls (n=1283), with repeat recalls from 769 participants.
Understanding retinal tau pathology through functional 2D and 3D iPSC-derived in vitro retinal models.
Acta Neuropathol Commun
January 2025
Department of Physiology and Pharmacology, Sapienza University of Rome, 00185, Rome, Italy.
The generation of retinal models from human induced pluripotent stem cells holds significant potential for advancing our understanding of retinal development, neurodegeneration, and the in vitro modeling of neurodegenerative disorders. The retina, as an accessible part of the central nervous system, offers a unique window into these processes, making it invaluable for both study and early diagnosis. This study investigates the impact of the Frontotemporal Dementia-linked IVS 10 + 16 MAPT mutation on retinal development and function using 2D and 3D retinal models derived from human induced pluripotent stem cells.
View Article and Find Full Text PDFExosomal miR-122 derived from M2 macrophages induces osteogenic differentiation of bone marrow mesenchymal stem cells in the treatment of alcoholic osteonecrosis of the femoral head.
J Orthop Surg Res
January 2025
Department of Joint Osteopathy, Liuzhou Worker's Hospital, Liuzhou, Guangxi Province, 545000, China.
Alcoholic osteonecrosis of the femoral head (AIONFH) is caused by long-term heavy drinking, which leads to abnormal alcohol and lipid metabolism, resulting in femoral head tissue damage, and then pathological necrosis of femoral head tissue. If not treated in time in clinical practice, it will seriously affect the quality of life of patients and even require hip replacement to treat alcoholic femoral head necrosis. This study will confirm whether M2 macrophage exosome (M2-Exo) miR-122 mediates alcohol-induced BMSCs osteogenic differentiation, ultimately leading to the inhibition of femoral head necrosis.
View Article and Find Full Text PDFThe regulatory mechanisms for beef tenderization by the calcium-independent phospholipase A activity of Peroxiredoxin 6.
Food Chem
January 2025
Lab of Meat Processing and Quality Control, College of Food Science and Engineering, Shandong Agricultural University, Tai'an, Shandong 271018, PR China. Electronic address:
This study investigated the effect of the inhibition of the activity of Ca-independent Phospholipase A (iPLA) of Peroxiredoxin 6 (Prdx6) on beef tenderization in the early post-mortem period. Longissimus lumborum (LL) were incubated with or without the inhibitor of iPLA activity of Prdx6 (MJ33) for 1, 6, 12, 24, or 36 h, followed by incubation with or without the HO. iPLA activity, troponin T and desmin, Ca concentration, calpain-1, caspases, apoptosis rate, and cell morphology were examined.
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