5-Aminolevulinic Acid (5-ALA) Plays an Important Role in the Function of Innate Immune Cells DOI Creative Commons
Shinichi Saitoh, Yuji Takeda,

Akemi Araki

et al.

Inflammation, Journal Year: 2024, Volume and Issue: unknown

Published: Dec. 19, 2024

5-aminolevulinic acid (5-ALA) is an amino essential for the synthesis of heme, which important various cellular functions, including mitochondrial electron transport chain. We previously established heterozygous knockout mice (Alas1+/−) 5-ALA synthase 1 (ALAS1), rate-limiting enzyme synthesis, and reported that developed non-obese insulin-resistant diabetes. In present study, we used these to analyze role in immune system. Using a lipopolysaccharide (LPS)-induced septic shock model, Alas1+/− showed reduced mortality compared wild-type (WT) mice. this model experiment, plasma concentration inflammatory cytokines such as tumor necrosis factor α (TNFα) interleukin-6 (IL-6), chemokine monocyte chemoattractant protein-1 (MCP1) decreased WT mice, cell infiltration into peritoneal cavity was also decreased. ex vivo experiments, exogenous pretreatment enhanced LPS-induced TNFα IL-6 production from peripheral blood leukocytes Additionally, activation cytokine genes innate cells. Interestingly, phagocytosis reactive oxygen species (ROS) producing abilities neutrophils were clearly hampered but after 2 weeks administration both significantly recovered up level These results reveal function Because can be supplemented orally, it has potential drug restore function.

Language: Английский

A New Oxygen Carrier for Therapeutic Applications DOI Open Access
Benoı̂t Barrou,

Elisabeth Leize‐Zal,

Franck Zal

et al.

Drug Testing and Analysis, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 6, 2025

ABSTRACT The natural extracellular hemoglobin of the lugworm Arenicola marina (AmHb) has many interesting characteristics: It carries 40 times more oxygen than human hemoglobin; anti‐inflammatory, antibacterial, and antioxidant properties; is 250 smaller a red blood cell. nontoxic nonimmunogenic. thus very promising hemoglobin‐based carrier. AmHb extracted purified in GMP conditions to produce therapeutic molecule, called M101. used various forms (liquid, hydrogel, lyophilized) respond different situations hypoxia healthcare field, such as organ preservation prior transplantation, wound burn healing, periodontitis, sickle cell disease, transfusions, particularly emergency situations. Given these remarkable transport capacities, M101 could be misused for doping purposes. This article presents current future developments this molecule.

Language: Английский

Citations

1

Bioactive Inorganic Materials for Innervated Multi‐Tissue Regeneration DOI Creative Commons
Hongjian Zhang, Ziyi Zhao, Chengtie Wu

et al.

Advanced Science, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 27, 2025

Tissue engineering aims to repair damaged tissues with physiological functions recovery. Although several therapeutic strategies are there for tissue regeneration, the functional recovery of regenerated still poses significant challenges due lack concerns innervation. Design rationale multifunctional biomaterials both tissue-induction and neural induction activities shows great potential regeneration. Recently, research application inorganic attracts increasing attention in innervated multi-tissue such as central nerves, bone, skin, because its superior tunable chemical composition, topographical structures, physiochemical properties. More importantly, easily combined other organic materials, biological factors, external stimuli enhance their effects. This review presents a comprehensive overview recent advancements It begins introducing classification properties typical design inorganic-based material composites. Then, progresses regenerating various nerves nerve-innervated systematically reviewed. Finally, existing future perspectives proposed. may pave way direction offers new strategy regeneration combination

Language: Английский

Citations

1

Bioprinting functional hepatocyte organoids derived from human chemically induced pluripotent stem cells to treat liver failure DOI

Guangya Li,

Jianyu He,

Jihang Shi

et al.

Gut, Journal Year: 2025, Volume and Issue: unknown, P. gutjnl - 333885

Published: March 3, 2025

Background To treat liver failure, three-dimensional (3D) bioprinting is a promising technology used to construct hepatic tissue models. However, current research on of models primarily relies conventional single-cell-based bioprinting, where individual functional hepatocytes are dispersed and isolated within hydrogels, leading insufficient treatment outcomes due inadequate cell functionality. Objective Here, we aim bioprint model using hepatocyte organoids (HOs) evaluate its liver-specific functions in vitro vivo . Design Human chemically induced pluripotent stem cells (hCiPSCs) were as robust non-genome-integrative source produce highly viable HOs (hCiPSC-HOs). An oxygen-permeable microwell device was enhance oxygen supply, ensuring high viability promoting hCiPSC-HOs maturation. maintain the long-term biofunction hCiPSC-HOs, spheroid-based employed (3DP-HOs). 3DP-HOs intraperitoneally implanted mice with failure. Results demonstrated enhanced when compared fabricated exhibited gene profiles closely resembling while maintaining Moreover, implantation significantly improved survival CCl 4 -induced acute-on-chronic failure also Fah−/− reduced injury, inflammation fibrosis indices regeneration expression. Conclusion Our bioprinted exhibits remarkable therapeutic efficacy for holds great potential clinical field regenerative medicine.

Language: Английский

Citations

1

An Immunomodulatory Hydrogel Featuring Antibacterial and Reactive Oxygen Species Scavenging Properties for Treating Periodontitis in Diabetes DOI

XinXin Ge,

Jiajun Hu,

Xiaoliang Qi

et al.

Advanced Materials, Journal Year: 2024, Volume and Issue: unknown

Published: Nov. 28, 2024

Periodontal disease is a multifactorial, bacterially induced inflammatory disorder characterized by progressive destruction of periodontal tissues. Additionally, diabetes mellitus exacerbates periodontitis, resulting in expedited resorption bone. However, methods such as mechanical debridement, anti-inflammatory medications, and surgical approaches often fail to eradicate local infections inflammation, complicating the reconstruction tissue structures. Consequently, there an urgent need devise novel strategy for managing diabetic conditions. Here, multifunctional controlled-release drug delivery system (GOE1) developed encapsulating self-assembled nanoparticles (consisting chlorhexidine acetate epigallocatechin-3-gallate) into hydrogel matrix composed gelatin methacryloyl oxidized hyaluronic acid. In vitro experiments demonstrate that GOE1 possesses good antimicrobial, antioxidant properties, transgenic sequence genomics further illustrates IL-17-producing RAW 264.7 macrophages are critical mediating M1/M2 macrophage transition provide favorable immune microenvironment. addition, vivo reveal significantly ameliorates inflammation reduces loss alveolar bone reducing infiltration collagen destruction. Overall, offers promising therapeutic option periodontitis.

Language: Английский

Citations

4

Application of Self‐Healing Hydrogels in the Treatment of Intervertebral Disc Degeneration DOI Open Access
Cunliang Guo, Xinyi Jiao,

Xiaoxun Du

et al.

Journal of Biomedical Materials Research Part B Applied Biomaterials, Journal Year: 2025, Volume and Issue: 113(2)

Published: Jan. 22, 2025

ABSTRACT Intervertebral disc degeneration (IDD) is one of the leading causes chronic pain and disability, traditional treatment methods often struggle to restore its complex biomechanical properties. This article explores innovative application self‐healing hydrogels in IDD, offering new hope for repair due their exceptional self‐repair capabilities adaptability. As a key support structure human body, intervertebral discs are damaged by trauma or degenerative changes. Self‐healing not only mimic mechanical properties natural but also when damaged, thereby maintaining stable functionality. reviews mechanisms design strategies and, first time, outlines potential IDD. Furthermore, looks forward future developments field, including intelligent material design, multifunctional integration, encapsulation release bioactive molecules, combinations with tissue engineering stem cell therapy, perspectives IDD treatment.

Language: Английский

Citations

0

A Platform for Engineering Tissue Membranes from Cell Spheroids DOI Creative Commons
Bach Quang Le, Hariharan Ezhilarasu, Weng Wan Chan

et al.

Materials Today Bio, Journal Year: 2025, Volume and Issue: 31, P. 101526 - 101526

Published: Jan. 31, 2025

Language: Английский

Citations

0

Chronic Coronary Artery Disease: Wall Disease vs. Lumenopathy DOI Creative Commons
Ioannis Paraskevaidis, Christos Kourek, Elias Tsougos

et al.

Biomolecules, Journal Year: 2025, Volume and Issue: 15(2), P. 201 - 201

Published: Jan. 31, 2025

Acute and chronic coronary artery disease (CAD) are interconnected, representing two facets of the same condition. Chronic CAD exhibits a dynamic nature, manifesting as stable or acute ischemia, both. Myocardial ischemia can be transient reversible. The genesis involves diverse anatomical functional mechanisms, including endothelial dysfunction, arteriolar remodeling, capillary rarefaction, perivascular fibrosis, though no single factor explains its heterogeneity. is often but may present symptomatic asymptomatic (e.g., in diabetes) affect various compartments (epicardial microcirculation). This complexity necessitates reappraisal our approach, pathophysiological mechanisms vary overlap. A comprehensive exploration these using advanced diagnostic techniques aid identifying processes underlying CAD. obstructive non-obstructive, unstable, underscoring diversity. primary source lies arterial wall, emphasizing need for research on components, such endothelium vascular smooth muscle cells, factors disrupting homeostasis. Shifting focus from luminal status to wall provide insights into atheromatous plaques, enabling earlier interventions prevent their development progression.

Language: Английский

Citations

0

Vaginal oxygen plus hyaluronic acid on lower urinary tract symptoms in breast cancer survivors DOI
Giorgia Asinaro, Claudia Massarotti, Veronica Musante

et al.

Climacteric, Journal Year: 2025, Volume and Issue: unknown, P. 1 - 6

Published: Feb. 4, 2025

Objective This study aimed to evaluate the effect of vaginal oxygen and hyaluronic acid on lower urinary tract symptoms (LUTS) in breast cancer survivors.

Language: Английский

Citations

0

Research on the application of image processing technology in monitoring the suspension height of cell cultures DOI
Longwen Wu, Yi Gan

Microchemical Journal, Journal Year: 2025, Volume and Issue: unknown, P. 112953 - 112953

Published: Feb. 1, 2025

Language: Английский

Citations

0

Topical Oxygenation Improves Microvascularity in a Human Ex Vivo Palatal Tissue Model: A Histological Analysis DOI Creative Commons
Andrea Pilloni, Cira Di Gioia, Raffaella Carletti

et al.

Dentistry Journal, Journal Year: 2025, Volume and Issue: 13(2), P. 77 - 77

Published: Feb. 10, 2025

Background: Several therapies involving the use of oxygen have been developed; however, literature to date has poorly addressed effects Topical Oxygen Therapy (TOT) on oral tissues. The aim present pilot study was histologically evaluate response TOT in epithelial-connective samples harvested from palate. Methods: In eight patients selected for a free gingival graft (FGG) procedure, lateral portions were randomly assigned receive (test) or no treatment (control). Both stained with hematoxylin-eosin evaluation histomorphological changes and Picrosirius collagen. Immunohistochemical staining performed antibodies characterization inflammatory infiltrate neoangiogenesis. Results: analysis failed show morphological variations both groups, demonstrating that there tissue damage due TOT. prevalence type I collagen supported this finding. Immune cells low levels mainly consisted CD3+ T lymphocytes. histomorphometric showed an increased average vessel area (7607.95 μm2 ± 3983.24 vs. 4038.42 1823.52), number caliber vessels (49.82 20.55 32.35 16.64), higher microvessel density (7.89 3.25 vessels/0.26 mm2 5.13 2.63 mm2) test group. Conclusions: Although further investigations are needed, could improve speed up wound healing through local condition hyperoxia.

Language: Английский

Citations

0