Choline supplementation in early life improves and low levels of choline can impair outcomes in a mouse model of Alzheimer’s disease DOI Open Access
Elissavet Chartampila, Karim S. Elayouby, Paige Leary

и другие.

Опубликована: Май 15, 2024

Maternal choline supplementation (MCS) improves cognition in Alzheimer’s disease (AD) models. However, effects of MCS on neuronal hyperexcitability AD are unknown. We investigated a well-established mouse model with hyperexcitability, the Tg2576 mouse. The most common type mice, and many other models patients, generalized EEG spikes (interictal spikes; IIS). Hyperexcitability is also reflected by elevated expression transcription factor ΔFosB granule cells (GCs) dentate gyrus (DG), which principal cell type. studied hilus DG because hilar neurons regulate GC excitability. found reduced marker NeuN within studies have shown sign oxidative stress or pathology.Tg2576 breeding pairs received diet relatively low, intermediate high concentration choline. After weaning, all mice diet. In offspring fed diet, IIS frequency declined, was reduced, restored. Spatial memory improved using novel object location task. contrast, exposed to low had several adverse effects, such as increased mortality. They weakest immunoreactivity greatest ΔFosB. their surprising. results provide new evidence that early life can improve outcomes AD, mixed effects. This first study showing dietary neurons, spatial an animal AD.

Язык: Английский

Platycodon grandiflorum exosome-like nanoparticles: the material basis of fresh platycodon grandiflorum optimality and its mechanism in regulating acute lung injury DOI Creative Commons

FU Jing-min,

Zhuolin Liu,

Zhiying Feng

и другие.

Journal of Nanobiotechnology, Год журнала: 2025, Номер 23(1)

Опубликована: Апрель 4, 2025

Acute lung injury (ALI) is a severe respiratory disease accompanied by diffuse inflammatory responses induced various clinical causes. Many fresh medicinal plants have shown better efficacy than their dried forms in preventing and treating diseases like inflammation. As classical Chinese herb, platycodon grandiflorum (PG) has been demonstrated effective pneumonia, but most of previous studies focused on the processed or PG formats, while specific benefits its form are still underexplored. Exosome-like nanoparticles derived from expected to point out an important direction for exploring material basis mechanism this herbal medicine. The could effectively improve ALI lipopolysaccharide (LPS), relieve histopathological weight loss, reduce levels factors mice, exhibiting treatment ALI. Further extraction purification exosome-like (PGLNs) that PGLNs had good biocompatibility, with characteristics consistent general nanoparticles. Besides, proteomic analysis indicated were rich variety proteins. Animal experiments showed improved pathological changes LPS-induced tissues, inhibited expression promoted anti-inflammatory factors, exerted regulatory effect polarization macrophages. Cell further confirmed be taken up RAW264.7 cells repolarize M1 macrophages into M2 type, therefore reducing secretion harmful cytokines. Moreover, non-targeted metabolomics reveals inflammation control macrophage manner closely linked pathways including glycolysis lipid metabolism, highlighting potential which protect lungs damage Fresh repair effects form. one active substances PG, may regulate regulating metabolic metabolism glycolysis, so as injury.

Язык: Английский

Процитировано

1

Association of Egg Intake With Alzheimer’s Dementia Risk in Older Adults: The Rush Memory and Aging Project DOI

Yongyi Pan,

Taylor C. Wallace,

Tasija Karosas

и другие.

Journal of Nutrition, Год журнала: 2024, Номер 154(7), С. 2236 - 2243

Опубликована: Май 22, 2024

Язык: Английский

Процитировано

7

Inflammation and Organic Cation Transporters Novel (OCTNs) DOI Creative Commons
Lorena Pochini, Michele Galluccio, Lara Console

и другие.

Biomolecules, Год журнала: 2024, Номер 14(4), С. 392 - 392

Опубликована: Март 25, 2024

Inflammation is a physiological condition characterized by complex interplay between different cells handled metabolites and specific inflammatory-related molecules. In some pathological situations, inflammation persists underlying worsening the state. Over years, two membrane transporters namely OCTN1 (SLC22A4) OCTN2 (SLC22A5) have been shown to play roles in inflammation. These form OCTN subfamily within larger SLC22 family. The link these proteins has proposed based on their chronic inflammatory diseases such as asthma, Crohn’s disease (CD), rheumatoid arthritis (RA). Moreover, show ability mediate transport of several compounds including carnitine, carnitine derivatives, acetylcholine, ergothioneine, gut microbiota by-products, which specifically associated with for anti- or proinflammatory action. Therefore, absorption distribution molecules rely presence OCTN2, whose expression modulated cytokines transcription factors typically activated present review, we wish provide state art function regulation relationships focusing metabolic signature collected body districts gene polymorphisms related diseases.

Язык: Английский

Процитировано

6

Cholinergic Polarization of Human Macrophages DOI Open Access
Natalia Roa-Vidal,

Adriana S. Rodríguez-Aponte,

José A. Lasalde‐Dominicci

и другие.

International Journal of Molecular Sciences, Год журнала: 2023, Номер 24(21), С. 15732 - 15732

Опубликована: Окт. 29, 2023

Macrophages serve as vital defenders, protecting the body by exhibiting remarkable cellular adaptability in response to invading pathogens and various stimuli. These cells express nicotinic acetylcholine receptors, with α7-nAChR being extensively studied due its involvement activating cholinergic anti-inflammatory pathway. Activation of this pathway plays a crucial role suppressing macrophages' production proinflammatory cytokines, thus mitigating excessive inflammation maintaining host homeostasis. Macrophage polarization, which occurs specific or insults, is process that has received limited attention concerning activation contributions context. This review aims present evidence highlighting how constituents macrophages, led α7-nAChR, facilitate polarization macrophages towards phenotypes. Additionally, we explore influence viral infections on macrophage inflammatory phenotypes, taking into account mechanisms. We also current understanding these infections. Finally, provide insights relatively unexplored partial duplication known dup α7, emerging significant factor scenarios.

Язык: Английский

Процитировано

13

Effects of Cycloastragenol on Alzheimer's Disease in Rats by Reducing Oxidative Stress, Inflammation, and Apoptosis DOI
Kadi M. Alharbi, Shahad Alshehri, Wasayf A Almarwani

и другие.

Current Alzheimer Research, Год журнала: 2024, Номер 21(2), С. 141 - 154

Опубликована: Фев. 1, 2024

Background: As individuals age, they may develop Alzheimer's disease (AD), which is characterized by difficulties in speech, memory loss, and other issues related to neural function. Cycloastragenol an active ingredient of Astragalus trojanus has been used treat inflammation, aging, heart disease, cancer. Objectives: This study aimed explore the potential therapeutic benefits cycloastragenol rats with experimentally induced AD. Moreover, underlying molecular mechanisms were also evaluated measuring Nrf2 HO-1, are involved oxidative stress, NFκB TNF-α, BCL2, BAX, caspase-3, apoptosis. Methods: Sprague-Dawley given 70 mg/kg aluminum chloride intraperitoneally daily for six weeks induce Following AD induction, 25 oral gavage three weeks. Hippocampal sections stained hematoxylin/ eosin anti-caspase-3 antibodies. The Nrf2, NFκB, caspase-3 gene expressions protein levels samples analyzed. Results: significantly improved rats' behavioral test performance. It strengthened organization hippocampus. performance hippocampal structure rats. caused a marked decrease expression was associated increase HO-1. Conclusion: hippocampus enhanced outcomes tests, decreased concentration AChE brain, exerted antioxidant anti-inflammatory effects. Antiapoptotic effects noted, leading significant improvements cognitive function, memory, behavior treated

Язык: Английский

Процитировано

3

The role of egg-derived nutrients in Alzheimer's disease: Exploring potential benefits and biological insights DOI Creative Commons
Md Salahuddin, Ahmed A. A. Abdel‐Wareth, Ahmed K. Rashwan

и другие.

Food Bioscience, Год журнала: 2024, Номер unknown, С. 105096 - 105096

Опубликована: Сен. 1, 2024

Язык: Английский

Процитировано

3

KaiXinSan improves learning and memory impairment by regulating cholesterol homeostasis in mice overloaded with 27-OHC DOI
Rui Jing, Li-Hua Mu, Chaochen Wang

и другие.

The Journal of Steroid Biochemistry and Molecular Biology, Год журнала: 2024, Номер 245, С. 106622 - 106622

Опубликована: Сен. 24, 2024

Язык: Английский

Процитировано

3

Omnidirectional improvement of mitochondrial health in Alzheimer's disease by multi-targeting engineered activated neutrophil exosomes DOI Creative Commons
Lei Zhang,

Jiaquan Lin,

Kai Xiang

и другие.

Journal of Controlled Release, Год журнала: 2024, Номер 376, С. 470 - 487

Опубликована: Окт. 23, 2024

Alzheimer's disease (AD) is one kind of devasting neurodegenerative disorders affecting over 50 million people worldwide. Multi-targeted therapy has emerged as a new treatment for diagnosing and alleviating the pathogenesis process AD; however, current strategy limited by its unsatisfactory efficiency. In our study, engineered activated neutrophil-derived exosomes (MP@Cur-MExo) were developed to improve mitochondrial function in neurons targeting Aβ-induced neurotoxicity. MP@Cur-MExo are derived from IL-8-stimulated neutrophils decorated with mitochondria ligand Aβ targeted modified SPION. Engineered can be cleaved matrix metallopeptidase-2, which overexpressed AD brain. Consequently, released SPION Curcumin-loaded collaboratively protected neuron cells against deficiency. addition, effectively accumulated inflamed region brain at an early stage, allowing diagnosis through bimodal (MRI/IVIS) imaging. Importantly, mouse model stage AD, intravenously injected restored reduced damage, thereby attenuating progression. conclusion, designed demonstrated that omnidirectional improvement serve novel practical approach diseases. This study also reveals promising therapeutic agent impeding progression future clinical applications.

Язык: Английский

Процитировано

3

The Complex Relationship Between Gut Microbiota and Alzheimer’s Disease: A Systematic Review DOI Creative Commons

Xuan-Peng Zhou,

Lei Sun, Wenhao Liu

и другие.

Ageing Research Reviews, Год журнала: 2024, Номер unknown, С. 102637 - 102637

Опубликована: Дек. 1, 2024

Alzheimer's disease (AD) is a progressive, degenerative disorder of the central nervous system. Despite extensive research conducted on this disorder, its precise pathogenesis remains unclear. In recent years, microbiota-gut-brain axis has attracted considerable attention within field AD. The gut microbiota communicates bidirectionally with system through gut-brain axis, and alterations in structure function can influence progression Consequently, regulating to mitigate AD emerged as novel therapeutic approach. Currently, numerous studies concentrate intrinsic relationship between paper, we summarize multifaceted role present detailed strategies targeting microbiota, including treatment Traditional Chinese Medicine (TCM), which garnered increasing years. Finally, discuss potential for modulating alleviate AD, current challenges area research, provide an outlook future directions field.

Язык: Английский

Процитировано

3

Dihuang Yinzi Improves Scopolamine-Induced Learning and Memory Impairment by Regulating Plasma Exosome-Derived BDNF DOI

Wenna Su,

Yuzhong Du,

Wenting Wang

и другие.

Journal of Ethnopharmacology, Год журнала: 2025, Номер unknown, С. 119322 - 119322

Опубликована: Янв. 1, 2025

Язык: Английский

Процитировано

0