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Topic Review
Waste Clearance in the Brain and Neuroinflammation
Alzheimer’s disease (AD) is a multifactorial disease with a heterogeneous etiology. The pathology of Alzheimer’s disease is characterized by amyloid-beta and hyperphosphorylated tau, which are necessary for disease progression. Many clinical trials on disease-modifying drugs for AD have failed to indicate their clinical benefits. Recent advances in fundamental research have indicated that neuroinflammation plays an important pathological role in AD. Damage- and pathogen-associated molecular patterns in the brain induce neuroinflammation and inflammasome activation, causing caspase-1-dependent glial and neuronal cell death. These waste products in the brain are eliminated by the glymphatic system via perivascular spaces, the blood-brain barrier, and the blood–cerebrospinal fluid barrier. Age-related vascular dysfunction is associated with an impairment of clearance and barrier functions, leading to neuroinflammation. The proteins involved in waste clearance in the brain and peripheral circulation may be potential biomarkers and drug targets in the early stages of cognitive impairment.
  • 530
  • 15 Mar 2022
Topic Review
Management of Coronary Artery Disease in Older Adults
Coronary artery disease (CAD) is highly prevalent in older adults, yet its management remains challenging. Treatment choices are made complex by the frailty burden of older patients, a high prevalence of comorbidities and body composition abnormalities (e.g., sarcopenia), the complexity of coronary anatomy, and the frequent presence of multivessel disease, as well as the coexistence of major ischemic and bleeding risk factors.
  • 524
  • 16 Aug 2023
Topic Review
Late-Life Depression
Late-life depression (LLD), compared to depression at a young age, is more likely to have poor prognosis and high risk of progression to dementia. A recent systemic review and meta-analysis of the present antidepressants for LLD showed that the treatment response rate was 48% and the remission rate was only 33.7%, thus implying the need to improve the treatment with other approaches in the future. Recently, agents modulating the glutamatergic system have been tested for mental disorders such as schizophrenia, dementia, and depressive disorder.
  • 477
  • 22 Sep 2021
Topic Review
Aging of Human Hematopoietic Stem and Progenitor Cells
In human blood and immune system, aging is characterized by a decline of innate immunity and regenerative potential of hematopoietic stem cells. This decline is defined at a molecular level in the  hematopoietic stem and progenitor cells (HSPC) compartment. A series of studies have demonstrated that aging of HSPC is induced by an accumulation of senescent cells in the HSPC compartment of the aging human bone marrow. Multi-omics studies have provided evidence that senescent cells are characterized by elevated central carbon metabolism. This property has rendered an enrichment of senescent HSPC for in depth mechanistic studies possible, and in addition has provided novel targets for senolysis therapy strategies. 
  • 462
  • 02 Apr 2022
Topic Review
Nano/Microrobots in Action for Gastrointestinal Tract Diseases
Nano/microrobots (NMRs) are tiny devices that can convert energy into motion and operate at nano/microscales.54 Especially in biomedical research, NMRs have received much attention over the past twenty years because of their excellent capabilities and great potential in various applications, including on-demand drug delivery, gene and cell transport, and precise microsurgery. Reports published in recent years show that synthetic nano/microrobots have promising potential to function in the gastrointestinal (GI) region, particularly in terms of drug delivery.
  • 462
  • 20 Jan 2022
Topic Review
Sarcopenia, Metabolic Repercussions, and Organokines
Sarcopenia is a disease that becomes more prevalent as the population ages, since it is directly linked to the process of senility, which courses with muscle atrophy and loss of muscle strength. Over time, sarcopenia is linked to obesity, being known as sarcopenic obesity, and leads to other metabolic changes. At the molecular level, organokines act on different tissues and can improve or harm sarcopenia. It all depends on their production process, which is associated with factors such as physical exercise, the aging process, and metabolic diseases. Because of the seriousness of these repercussions, herein, it is to conduct a review on the relationship between organokines, sarcopenia, diabetes, and other metabolic repercussions, as well the role of physical exercise.
  • 459
  • 15 Nov 2022
Topic Review
Physical Exercise on Sleep Quality in Elderly Adults
Aging is directly related to sleep problems. Primary insomnia has a negative impact on the lives of elderly adults, altering cognitive and metabolic functions. Physical activity is positively related to improvement in sleep quality. The systematic and continuous practice of physical exercise significantly improves perceived sleep quality in elderly individuals. Therefore, physical activities can be used as a tool to prevent sleep disorders and improve health in general. 
  • 442
  • 28 Apr 2022
Topic Review
Sarcopenia and Sarcopenic Obesity
Obesity and ageing place a tremendous strain on the global healthcare system. Age-related sarcopenia is characterized by decreased muscular strength, decreased muscle quantity, quality, and decreased functional performance. Sarcopenic obesity (SO) is a condition that combines sarcopenia and obesity and has a substantial influence on the older adults’ health.
  • 429
  • 29 Mar 2022
Topic Review
Improving the Anticholinergic Prescribing Practice in Older Adults
Healthcare practitioner-oriented interventions have the potential to reduce the occurrence of anticholinergic prescribing errors in older people. Interventions were primarily effective in reducing the burden of anticholinergic medications and assisting with deprescribing anticholinergic medications in older adults. 
  • 423
  • 08 Feb 2022
Topic Review
Multi-Morbidity and Polypharmacy
Multi-morbidity and polypharmacy are common in older people and pose a challenge for health and social care systems, especially in the context of global population ageing. They are complex and interrelated concepts in the care of older people that require early detection and patient-centred shared decision making underpinned by multi-disciplinary team-led comprehensive geriatric assessment (CGA) across all health and social care settings. Personalised care plans need to remain responsive and adaptable to the needs and wishes of the patient, enabling the individual to maintain their independence.
  • 409
  • 31 May 2021
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