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HDACs (histone deacetylase) play a crucial role in regulating gene expression, and the inhibition of these enzymes is gaining attention as a promising therapeutic approach for cancer treatment. Despite their significant physiological and clinical importance, the mechanisms of HDAC activation remain poorly understood. This study reveals that inositol polyphosphate multikinase (IPMK) is essential for activating HDAC1 and HDAC3 in cell lines and mice. IPMK deletion or inactivation of its kinase activity selectively impairs HDAC1/3's deacetylase activity, significantly influencing gene expression. Disruption of the IPMK-HDAC1/3 epigenetic axis results in transcriptional upregulation of matrix metalloproteinase (MMP) genes, exacerbating cell and intestinal permeability. Remarkably, treatment of IPMK KO cells with cell-permeable inositol hexaphosphate (InsP6) rescues these defects. This study elucidates the role of IPMK's kinase activity in HDAC1/3 activation and its implications for intestinal barrier function.
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http://dx.doi.org/10.1101/2024.09.15.613154 | DOI Listing |
ACS Nano
September 2025
Guangzhou Key Laboratory of Spine Disease Prevention and Treatment, Department of Orthopaedic Surgery, Guangdong Provincial Key Laboratory of Major Obstetric Diseases, Guangdong Provincial Clinical Research Center for Obstetrics and Gynecology, The Third Affiliated Hospital, Guangzhou Medical Univer
Osteoporotic fractures are notoriously difficult to heal due to an imbalance between osteoblasts and osteoclasts. Current treatments often have limited efficacy or adverse side effects, necessitating safer and more effective solutions. Here, we developed an injectable plant-derived phosphate coordination compound-based adhesive hydrogel (MgPA-Gel) to restore bone homeostasis by integrating magnesium ions (Mg)-phytic acid (PA) nanoparticles with aminated gelatin (Gel-NH) and aldehydated starch (AS).
View Article and Find Full Text PDFSmall
September 2025
Shaanxi Key Laboratory of Chemical Additives for Industry, College of Chemistry and Chemical Engineering, Shaanxi University of Science and Technology, Xi'an, 710021, China.
Conductive hydrogels have significant application prospects in the field of flexible wearable sensors. However, there are still challenges to stably apply conductive hydrogels in extreme environments and various aqueous conditions. To enable the application of conductive hydrogels across a wide temperature range and in multiple environments, it is necessary to consider comprehensive properties such as anti-swelling ability, flexibility, self-adhesiveness, stable linear sensing, and certain durability.
View Article and Find Full Text PDFBiosens Bioelectron
August 2025
Department of Chemical Science and Technologies, University of Rome "Tor Vergata", Via Della Ricerca Scientifica, 00133, Rome, Italy; SENSE4MED, via Bitonto 139, 00133, Rome, Italy. Electronic address:
Phytic acid is a phosphorylated derivative of myo-inositol that is ubiquitous in plants and serves as the primary storage form of phosphorus. In human nutrition, phytic acid is considered an anti-nutrient because it chelates essential minerals, including calcium, iron, and zinc. This binding action reduces the bioavailability of these metals, highlighting the importance of monitoring phytic acid in food.
View Article and Find Full Text PDFInt J Biol Macromol
September 2025
Yunnan Provincial Key Laboratory of Wood Adhesives and Glued Products, Southwest Forestry University, Kunming 650224, People's Republic of China. Electronic address:
Chitosan and tannin are both promising renewable materials for food packaging; however, their effectiveness is limited by incomplete interactions between them. Therefore, phytic acid and octadecylamine were employed to create chitosan-tannin-phytic acid-octadecylamine (CTPO) films that are flame-retardant, UV-resistant, antibacterial and hydrophobic for food packaging applications. The findings indicate that the CTPO film exhibited excellent hydrophobicity and mechanical properties, with a water contact angle of 133.
View Article and Find Full Text PDFCarbohydr Polym
November 2025
School of Chemistry and Chemical Engineering, State Key Laboratory Incubation Base for Green Processing of Chemical Engineering, Shihezi University, Shihezi, Xinjiang 832003, China. Electronic address:
This study introduces a novel bio-based flame retardant, MCC-GMA-PA-MEL, synthesized from microcrystalline cellulose (MCC) modified with phytic acid (PA) and melamine (MEL). Characterization of the resulting composites revealed a significant enhancement in PLA crystallinity to 35.9 %, driven by improved molecular mobility and heterogeneous nucleation effects.
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