Araloside A Induces Raf/MEK/ERK-Dependent Autophagy to Mitigate Alzheimer's and Parkinson's Pathology in Cellular and C. elegans Models.

Alzheimer's disease (AD) and Parkinson's disease (PD) are characterized by pathological protein aggregation and oxidative stress, leading to progressive neurodegeneration. Enhancing autophagy, the primary intracellular pathway for clearing misfolded proteins, represents a promising therapeutic strategy. In this study, we identify Araloside A (ARA), a triterpenoid saponin derived from Aralia elata, as a potent autophagy inducer that alleviates AD- and PD-related pathology.

Plant-based strategies against aging: Focus on bioactive compounds from medicine-food homology plants.

Background: As a biologically intricate process, aging entails functional impairment and predisposes individuals to chronic conditions. Medicine-food homology (MFH) plants, deeply rooted in traditional Chinese medicine, are increasingly recognized for their potential to delay aging through natural bioactive compounds.

Study Design: We conducted a comprehensive review of 56 MFH plants with documented anti-aging effects, focusing on 83 identified bioactive compounds grouped into 14 chemical categories, including phenols, polysaccharides, glycosides, and proteins.

IL-23 Receptor Agonism by Mulberroside C Activates the RASGRP1/RAS/ERK Pathway Contributing to Leukopenia Treatments.

Chemotherapy- and radiotherapy-induced leukopenia is a common challenge in cancer treatment, with a significant dearth of effective therapeutic options. IL-23 receptor (IL-23R) signaling holds the potential for promoting neutrophil generation and maturation, yet the underlying mechanisms remain elusive. This study investigates the molecular mechanism and efficacy of Mulberroside C (MC) in alleviating leukopenia via IL-23R signaling.

Unlocking Corn Silk's Potential: Bioactive Compounds Targeting Age-Related Diseases.

Corn silk, the stigmas and styles of maize, is a traditional medicinal herb with promising anti-aging potential. This review systematically examines its bioactive compounds, including flavonoids, polysaccharides, terpenoids, and sterols, which contribute to its antioxidant, anti-inflammatory, anti-tumor, and metabolic regulatory effects. These properties support its potential therapeutic applications in aging-related conditions such as neurodegenerative diseases (e.

Effects of potassium fertilizer on rhizosphere microbial diversity and community assembly in sugarcane.

The abundant and rare populations of microorganisms in the ecosystem play a crucial role in preventing pathogen transmission, regulating nutrient cycling, facilitating pollutant degradation. However, less attention has pain on the agroecosystems. We conducted a field experiment to evaluate the effects of different potassium application rates (0, 75, 150, 225, 300 kg·hm) on the microbial diversity, the driving factors and the microbial community assembly process of the sugarcane rhizosphere through the high-throughput sequencing and ecological mode-ling techniques.

Tricin Delays Aging and Enhances Muscle Function via Activating AMPK-Mediated Autophagy in Diverse Model Organisms.

Aging leads to progressive decline in the functions of cells, tissues, and organs, severely affecting muscle performance and overall health, highlighting the urgent need for effective therapeutic agents. This study investigated the antiaging properties of tricin, a flavonoid abundant in grains, using biological models, including human fibroblasts, (), and mice. Tricin significantly alleviated the senescent phenotype in human fibroblasts induced by D-galactose (D-gal), doxorubicin, and replicative senescence, as evidenced by reduced SA-β-gal activity, downregulated senescence markers (p16, p21), and decreased SASP factors.

Inhibition of Ferroptosis Delays Aging and Extends Healthspan Across Multiple Species.

Ferroptosis, a form of iron-dependent cell death, plays a pivotal role in age-related diseases; yet, its impact on cellular senescence and healthspan in mammals remains largely unexplored. This study identifies ferroptosis as a key regulator of cellular senescence, showing that its inhibition can significantly delay aging and extend healthspan across multiple species. During cellular senescence, ferroptosis is progressively exacerbated, marked by increased lipid peroxidation, oxidative stress, and diminished glutathione peroxidase 4 (GPX4) levels.

Exploring the therapeutic potential of leaf extract against amyloid-beta-induced toxicity in the model of Alzheimer's disease.

Alzheimer's disease (AD) represents a critical global health challenge with limited therapeutic options, prompting the exploration of alternative strategies. A key pathology in AD involves amyloid beta (Aβ) aggregation, and targeting both Aβ aggregation and oxidative stress is crucial for effective intervention. Natural compounds from medicinal and food sources have emerged as potential preventive and therapeutic agents, with leaf extract (NLE) showing promising properties.

Raddeanin A Protects the BRB Through Inhibiting Inflammation and Apoptosis in the Retina of Alzheimer's Disease.

Neuroinflammation and endothelial cell apoptosis are prominent features of blood-brain barrier (BBB) disruption, which have been described in Alzheimer's disease (AD) and can predict cognitive decline. Recent reports revealed vascular β-amyloid (Aβ) deposits, Muller cell degeneration and microglial dysfunction in the retina of AD patients. However, there has been no in-depth research on the roles of inflammation, retinal endothelial cell apoptosis, and blood-retinal barrier (BRB) damage in AD retinopathy.

Penthorum chinense Pursh inhibits ferroptosis in cellular and Caenorhabditis elegans models of Alzheimer's disease.

Background: Ferroptosis, a unique type of cell death triggered by iron-dependent lipid peroxidation, plays a critical role in the pathogenesis of Alzheimer's disease (AD), a debilitating condition marked by memory loss and cognitive impairment due to the accumulation of beta-amyloid (Aβ) and hyperphosphorylated Tau protein. Increasing evidence suggests that inhibitors of ferroptosis could be groundbreaking in the treatment of AD.

Method: In this study, we established in vitro ferroptosis using erastin-, RSL-3-, hemin-, and iFSP1-induced PC-12 cells.

Suppressing inflammatory signals and apoptosis-linked sphingolipid metabolism underlies therapeutic potential of Qing-Jin-Hua-Tan decoction against chronic obstructive pulmonary disease.

Background: Qing-Jin-Hua-Tan decoction (QJHTD) is a classic traditional Chinese medicine (TCM) prescription that first appeared in the ancient book Yi-Xue-Tong-Zhi. QJHTD has shown effectiveness for treating chronic obstructive pulmonary disease (COPD), although its mechanisms of action are still perplexing. The molecular mechanisms underlying the curative effects of QJHTD on COPD is worth exploring.

Novel 18-norspirostane steroidal saponins: Extending lifespan and mitigating neurodegeneration through promotion of mitophagy and mitochondrial biogenesis in Caenorhabditis elegans.

Pharmacological strategies to delay aging and combat age-related diseases are increasingly promising. This study explores the anti-aging and therapeutic effects of two novel 18-norspirostane steroidal saponins from Trillium tschonoskii Maxim, namely deoxytrillenoside CA (DTCA) and epitrillenoside CA (ETCA), using Caenorhabditis elegans (C. elegans).

The Protective Effects of Ether Fraction against Alzheimer's Disease Pathology: An Exploration in Models.

Alzheimer's disease (AD) presents a significant challenge to global healthcare systems, with current treatments offering only modest relief and often bringing unwanted side effects, necessitating the exploration of more effective and safer drugs. In this study, we employed the () model, specifically the AD-like CL4176 strain expressing the human Aβ protein, to investigate the potential of extract and its fractions. Our results showed that the ether fraction (REF) notably diminished the paralysis rates of CL4176 worms.

Carpesii fructus extract exhibits neuroprotective effects in cellular and Caenorhabditis elegans models of Parkinson's disease.

Objective: Parkinson's disease (PD) is a debilitating neurodegenerative disorder characterized by the progressive loss of dopaminergic neurons in the substantia nigra. Despite extensive research, no definitive cure or effective disease-modifying treatment for PD exists to date. Therefore, the identification of novel therapeutic agents with neuroprotective properties is of utmost importance.

Mathematical modeling of climate and fluoride effects on sugarcane photosynthesis with silicon nanoparticles.

Fluoride (F) stress is one of the major environmental pollutant, affecting plant growth, development and production, globally. Acquisition of eco-friendly F stress reliever seems to be the major concern these days. Consequently, application of engineered nanomaterials (ENMs) has been increasing to improve agri-economy.

Poly (ADP-ribose) polymerase 1 and neurodegenerative diseases: Past, present, and future.

Poly (ADP-ribose) polymerase 1 (PARP1) is a first responder that recognizes DNA damage and facilitates its repair. Neurodegenerative diseases, characterized by progressive neuron loss driven by various risk factors, including DNA damage, have increasingly shed light on the pivotal involvement of PARP1. During the early phases of neurodegenerative diseases, PARP1 experiences controlled activation to swiftly address mild DNA damage, thereby contributing to maintain brain homeostasis.

Lychee seed polyphenol ameliorates DR via inhibiting inflammasome/apoptosis and angiogenesis in hRECs and db/db mice.

Blood retinal barrier (BRB) damage is an important pathogenesis of diabetic retinopathy, and alleviating BRB damage has become a key target for DR treatment. We previously found that Lycopene seed polyphenols (LSP) maintained BRB integrity by inhibiting NLRP3 inflammasome-mediated inflammation. However, it is still unknown whether LSP inhibits retinal neovascularization with abnormal capillaries and its mechanism of action.

Protective effects of Radix Stellariae extract against Alzheimer's disease via autophagy activation in Caenorhabditis elegans and cellular models.

Enhancing the clearance of proteins associated with Alzheimer's disease (AD) emerges as a promising approach for AD therapeutics. This study explores the potential of Radix Stellariae, a traditional Chinese medicine, in treating AD. Utilizing transgenic C.

Ameliorative effect of Luffa cylindrica fruits on Caenorhabditis elegans and cellular models of Alzheimer's disease-related pathology via autophagy induction.

Background: Alzheimer's disease (AD) is a prevalent neurodegenerative disorder without an effective cure. Natural products, while showing promise as potential therapeutics for AD, remain underexplored.

Aims: This study was conducted with the goal of identifying potential anti-AD candidates from natural sources using Caenorhabditis elegans (C.

Targeting autophagy to discover the Piper wallichii petroleum ether fraction exhibiting antiaging and anti-Alzheimer's disease effects in Caenorhabditis elegans.

Background: With population aging, the incidence of aging-related Alzheimer's disease (AD) is increasing, accompanied by decreased autophagy activity. At present, Caenorhabditis elegans (C. elegans) is widely employed to evaluate autophagy and in research on aging and aging-related diseases in vivo.

The Application of Biomaterials in Spinal Cord Injury.

The spinal cord and the brain form the central nervous system (CNS), which is the most important part of the body. However, spinal cord injury (SCI) caused by external forces is one of the most difficult types of neurological injury to treat, resulting in reduced or even absent motor, sensory and autonomic functions. It leads to the reduction or even disappearance of motor, sensory and self-organizing nerve functions.

Folium Hibisci Mutabilis extract, a potent autophagy enhancer, exhibits neuroprotective properties in multiple models of neurodegenerative diseases.

Background: Protein aggregates are considered key pathological features in neurodegenerative diseases (NDs). The induction of autophagy can effectively promote the clearance of ND-related misfolded proteins.

Objective: In this study, we aimed to screen natural autophagy enhancers from traditional Chinese medicines (TCMs) presenting potent neuroprotective potential in multiple ND models.

The Therapeutic Potential of Plant Polysaccharides in Metabolic Diseases.

Plant polysaccharides (PPS) composed of more than 10 monosaccharides show high safety and various pharmacological activities, including immunoregulatory, antitumor, antioxidative, antiaging, and other effects. In recent years, emerging evidence has indicated that many PPS are beneficial for metabolic diseases, such as cardiovascular disease (CVD), diabetes, obesity, and neurological diseases, which are usually caused by the metabolic disorder of fat, sugar, and protein. In this review, we introduce the common characteristics and functional activity of many representative PPS, emphasize the common risks and molecular mechanism of metabolic diseases, and discuss the pharmacological activity and mechanism of action of representative PPS obtained from plants including , , pumpkin, , , , , , and tea in metabolic diseases.

Therapeutic potential of Polygala saponins in neurological diseases.

Background: There are many types of neurological diseases with complex etiologies. At present, most clinical drugs can only relieve symptoms but cannot cure these diseases. Radix Polygalae, a famous traditional Chinese medicine from the root of plants of the genus Polygala, has the traditional effect of treating insomnia, forgetfulness, and palpitation and improving intelligence and other symptoms of neurological diseases.