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Glymphatic dysfunction in Parkinson's disease: Aging-associated impairments, imaging biomarkers, and therapeutic strategies

2 weeks 6 days ago
The accumulation of α-synuclein (α-syn) is a key pathophysiological feature of Parkinson's disease (PD), and one contributing factor to this aggregation is impaired clearance mechanisms. Recent research has identified the glymphatic system as the brain's intrinsic waste clearance pathway. This review examines glymphatic dysfunction in PD, with a focus on its impact on α-syn clearance and neurodegeneration. We summarize current evidence showing that disrupted aquaporin-4 (AQP4) polarization,...
Yan Lv

The microRNA miR-71 suppresses maladaptive UPR<sup>mt</sup> signaling through both cell-autonomous and cell-non-autonomous mechanisms

2 weeks 6 days ago
Mitochondria play a central role in metabolism and biosynthesis, but function also as platforms that perceive and communicate environmental and physiological stressors to the nucleus and distal tissues. Systemic mitochondrial signaling is thought to synchronize and amplify stress responses throughout the whole body, but during severe or chronic damage, overactivation of mitochondrial stress pathways may be maladaptive and exacerbate aging and metabolic disorders. Here we uncover a protective...
Ina Kirmes

Downregulation of BST2 Rescues Cochlear Nerve Demyelination in Age-Related Hearing Loss via Enhancing Schwann Cell Migration

2 weeks 6 days ago
Cochlear nerve demyelination is a significant pathogenic factor of age-related hearing loss (ARHL), and Schwann cell (SC) migration function plays a key role in the maintenance and regeneration of myelin sheaths. Here, we found that bone marrow stromal antigen 2 (BST2) is significantly upregulated in cochlear SCs during aging following demyelination and hearing loss. However, specific knockdown of BST2 in SCs could obviously improve the SCs migration and the myelin sheath structure manifested in...
Mengxiao Liu

Small Extracellular Vesicles From Human Amniotic Membrane Mesenchymal Stem Cells Rejuvenate Senescent beta Cells and Cure Age-Related Diabetes in Mice

2 weeks 6 days ago
Targeting senescent pancreatic β-cells represents a promising therapeutic avenue for age-related diabetes; however, current anti-senescence strategies often compromise β-cell mass. In this study, human amniotic mesenchymal stem cell-derived small extracellular vesicles (hAMSC-sEVs) were identified as a novel intervention that can be used to effectively counteract cellular senescence and preserve β-cell integrity. We aimed to systemically delineate the molecular mechanisms underlying...
Lei Xiao

From sick care to healthspan: educating the longevity physician for health maintenance and health promotion

2 weeks 6 days ago
This paper focuses specifically on the education and upskilling of medical doctors, proposing how longevity-related competencies can be incorporated first through continuing medical education (CME) pathways and, eventually, into formal medical curricula. As longevity medicine evolves from research into clinical practice, education has emerged as its defining challenge. While the science of ageing advances rapidly, most physicians remain unprepared to translate biological, technological, and...
Dominik Thor

Proteomics research in aging: a bibliometric and visualized analysis of evolution and emerging trends (1998-2024 and early 2025)

2 weeks 6 days ago
This study aims to analyze the global research landscape and identify emerging trends in research hotspots, key technologies, and clinical applications in proteomics research in aging from 1998 to June 20, 2025. Publications related to aging and proteomics from 1998 to June 20, 2025 were retrieved from the Web of Science Core Collection. A bibliometric analysis was conducted using VOSviewer, CiteSpace, and R 4.3.3 to evaluate publication trends, research collaborations, and emerging topics. A...
Yuyuan Gao

Symbiosome functionality in Medicago truncatula nodules requires continuous clearing of pectins from the symbiosome space

2 weeks 6 days ago
Central to the legume-rhizobium symbiosis is the formation of organelle-like symbiosomes where nitrogen-fixing bacteroids are enclosed by a host-derived symbiosome membrane. This creates the symbiosome space, which topologically resembles an apoplastic compartment within the cell. While the apoplast of plant cells is largely occupied by the cell wall, symbiosomes are devoid of cell wall polymers. Here, we describe a mechanism that functions to protect and maintain effective nitrogen fixation...
Yongkang Gao

Integrating multimodal data to identify single nucleotide polymorphism-related biomarkers and regulatory mechanisms in Alzheimer's disease

3 weeks ago
Alzheimer's disease (AD) is the most common neurodegenerative disease with unclear regulatory mechanisms at the cell-type level. A multi-omics model called single nucleotide polymorphisms (SNPs)-transcriptomic-single-nucleus ribonucleic acid sequencing (snRNA-seq) integration (STSNI) is proposed to identify SNPs-related biomarkers and regulatory mechanisms in AD. Differential expression analysis identified differentially expressed genes (DEGs) between AD patients and healthy controls (HCs) in...
Jinhua Sheng

Ferroptosis inhibition protects against α-synuclein-related neuronal cell death

3 weeks ago
Parkinson's disease (PD), characterized by α-synuclein (α-syn) pathology, affects millions of people worldwide. While current treatments mainly symptomatically address the motor aspects of PD, they lack efficacy in delaying or halting the degenerative process. Ferroptosis, a type of programmed cell death characterized by iron-dependent lipid peroxidation, has been previously linked to PD. Advancing the development of neuroprotective treatments hinges on comprehending the interplay between PD's...
Naďa Majerníková

Cyrene: a novel geroprotective compound that extends lifespan and healthspan in C. elegans and Drosophila

3 weeks ago
As aging is the primary risk factor for many chronic diseases, geroscience aims to target aging to delay age-related decline. Here, we identify Cyrene (dihydrolevoglucosenone), a sustainable, biocompatible solvent, as a novel geroprotective compound. Cyrene extends lifespan and healthspan in C. elegans, improving locomotor function and resistance to oxidative, thermal, osmotic, genotoxic, and proteotoxic stress. It also confers protection in neurodegenerative models of Alzheimer's, Parkinson's,...
Abdelrahman AlOkda

Effects of videoconference-supervised exercise training program on physical and cognitive conditions, and mental well-being in older adults: A randomized trial

3 weeks ago
Aging is associated with declines in physical, cognitive, and physical and mental well-being. This randomized trial aimed to assess the effects of a supervised, home-based multicomponent physical training program delivered via videoconferencing on physical fitness, cognitive performance, and mental well-being in healthy older adults. Thirty participants aged 60-70 years completed either a physical training intervention (PT), a health education intervention (active control, AC), or no...
E Milot

Ergothioneine and exercise: A match made in (cognitive) heaven?

3 weeks ago
Cognitive decline is one of the key challenges with aging, with significant implications for independence, quality of life, and healthcare burden. As pharmacological treatments remain limited in efficacy and often carry adverse effects, there is growing interest in safe, accessible, non-pharmacological strategies to preserve cognitive function. This Short Review explores the potential of combining two approaches that, individually, have shown beneficial effects on cognitive function:...
Vanessa Kristina Wazny

Comparison of anti-aging effect of PQQ (Pyrroloquinoline Quinone) and NMN/NR (Nicotinamide Mononucleotide /Nicotinamide Riboside) - possible combination use

3 weeks ago
Aging is a complex biological process characterized by the gradual deterioration of cellular functions, leading to an increased susceptibility to chronic diseases. In the search for interventions to promote healthy aging and extend lifespan, Pyrroloquinoline Quinone (PQQ) and Nicotinamide Mononucleotide/Nicotinamide Riboside (NMN/NR) have emerged as promising anti-aging agents. PQQ exerts its anti-aging effect primarily through enhancing mitochondrial biogenesis, exerting antioxidant activity,...
Savani Ulpathakumbura

Integrating dry-processing and pre-sodiation enables high-energy sodium ion batteries

3 weeks ago
Sacrificial sodium-rich salts pre-sodiation is a safe and promising approach to supplement sodium-ion batteries with additional capacity for energy density enhancement. However, high-cost from additional solvent and low-utilization-ratio caused by loose electrical contact limit its practical application in slurry-coated electrodes. Herein, we demonstrate a dry-processing method to enable complete sodium oxalate decomposition and solvent-free production of thick electrodes. Distinct to particle...
Nan Qin

ARMH4 accelerates aging by maintaining a positive-feedback growth signaling circuit

3 weeks ago
Aging is an inevitable process integrating chronological alterations of multiple organs. A growing aging population necessitates feasible anti-aging strategies to deal with age-associated health problems. We previously performed a proteomics analysis in a healthy-aging cohort, and revealed an age-related downregulation of ARMH4. Here we generate a whole-body Armh4-knockout mouse line, and investigate its impact on systemic aging. Under normal feeding conditions, Armh4 deficiency significantly...
Yu Fang

The impact of loneliness on balance learning ability in aging patients with Parkinson's disease

3 weeks ago
CONCLUSION: This study is the first to directly examine the impact of loneliness on dynamic balance learning in PwPD. The findings revealed that loneliness can act as a significant inhibitory factor in balance rehabilitation for these patients. The results underscore the importance of designing targeted interventions to reduce feelings of loneliness to enhance balanced learning. Furthermore, the study paves the way for future research to investigate the underlying neural mechanisms and explore...
Seyede Zohreh Jazaeri

Prodrug nanoplatform for triggering ferroptosis to eliminate senescent cells in age-associated pathologies

3 weeks ago
Accumulation of senescent cells is associated with aging and age-related diseases. However, current clearance therapies targeting senescent cells are often limited by low efficiency, poor specificity, and insufficient penetration. Here we develop a nano-platform composed of a probe (GD) that can be specifically activated by senescent cells, a photosensitizer (Ce6), and a peptide (HK) for targeting ferritin, named HK-PCGC. We show that upon entering senescent cells, GD is activated by high levels...
Chengkang Jin

Cyrene: a novel geroprotective compound that extends lifespan and healthspan in C. elegans and Drosophila

3 weeks ago
As aging is the primary risk factor for many chronic diseases, geroscience aims to target aging to delay age-related decline. Here, we identify Cyrene (dihydrolevoglucosenone), a sustainable, biocompatible solvent, as a novel geroprotective compound. Cyrene extends lifespan and healthspan in C. elegans, improving locomotor function and resistance to oxidative, thermal, osmotic, genotoxic, and proteotoxic stress. It also confers protection in neurodegenerative models of Alzheimer's, Parkinson's,...
Abdelrahman AlOkda

Egr1 is a sex-dependent regulator of neuronal chromatin, structural plasticity, and behaviour

3 weeks ago
Sex differences are found in brain structure and function across species, and across brain disorders in humans. A major source of brain sex differences is differential secretion of steroid hormones from the gonads across the lifespan. Specifically, ovarian hormones oestrogens and progesterone are known to dynamically change structure and function of the adult female brain, having a major impact on psychiatric risk. However, due to limited molecular studies in female rodents, very little is still...
Devin Rocks

Gut microbiota as a causal mediator linking inflammatory cytokines and ageing phenotypes

3 weeks ago
Population ageing is a global phenomenon with significant implications for public health. Research has highlighted a relationship between gut microbiota, inflammatory cytokines, and ageing, yet the underlying causal mechanisms remain elusive. This study uses Mendelian randomization (MR) analysis to investigate causal relationships between gut microbiota, inflammatory cytokines, and ageing phenotypes. We leveraged the summary statistics of gut microbiota (n = 5959), circulating inflammatory...
Qiyu Liu