journal
https://read.qxmd.com/read/38766828/effects-of-cycloastragenol-on-alzheimer-s-disease-in-rats-by-reducing-oxidative-stress-inflammation-and-apoptosis
#1
JOURNAL ARTICLE
Kadi M Alharbi, Shahad A Alshehri, Wasayf A Almarwani, Khulud K Aljohani, Ajwan Z Albalawi, Areej S Alatawi, Shekha M Al-Atwi, Lama S Alhwyty, Hanan M Hassan, Mohammed M H Al-Gayyar
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 is an active ingredient of Astragalus trojanus and has been used to treat inflammation, aging, heart disease, and cancer. OBJECTIVES: This study aimed to explore the potential therapeutic benefits of cycloastragenol in rats with experimentally induced AD. Moreover, the underlying molecular mechanisms were also evaluated by measuring Nrf2 and HO-1, which are involved in oxidative stress, NFκB and TNF-α, which are involved in inflammation, and BCL2, BAX, and caspase-3, which are involved in apoptosis...
May 17, 2024: Current Alzheimer Research
https://read.qxmd.com/read/38706355/prenatal-exposure-to-the-1944-45-dutch-famine-and-risk-for-dementia-up-to-age-75-an-analysis-of-primary-care-data
#2
JOURNAL ARTICLE
Aline Marileen Wiegersma, Amber Boots, Emma F van Bussel, Birgit I Lissenberg, Mark M J Nielen, Tessa J Roseboom, Susanne R de Rooij
BACKGROUND: A poor prenatal environment adversely affects brain development. Studies investigating long-term consequences of prenatal exposure to the 1944-45 Dutch famine have shown that those exposed to famine in early gestation had poorer selective attention, smaller brain volumes, poorer brain perfusion, older appearing brains, and increased reporting of cognitive problems, all indicative of increased dementia risk. OBJECTIVE: In the current population-based study, we investigated whether dementia incidence up to age 75 was higher among individuals who had been prenatally exposed to famine...
May 3, 2024: Current Alzheimer Research
https://read.qxmd.com/read/38661033/research-progress-of-eye-movement-analyses-and-its-detection-algorithms-in-alzheimer-s-disease
#3
JOURNAL ARTICLE
Xueying He, Ivan Selesnick, Ming Zhu
Alzheimer's disease (AD) has been considered one of the most challenging forms of dementia. The earlier the people are diagnosed with AD, the easier it is for doctors to find a treatment. Based on the previous literature summarizing the research results on the relationship between eye movement and AD before 2013, this paper reviewed 34 original eye movements research papers only closely related to AD published in the past ten years and pointed out that the prosaccade (4 papers) and antisaccade (5 papers) tasks, reading tasks (3 papers), visual search tasks (3 papers) are still the research objects of many researchers, Some researchers have looked at King-Devick tasks (2 papers), reading tasks (3 papers) and special tasks (8 papers), and began to use combinations of different saccade tasks to detect the relationship between eye movement and AD, which had not been done before...
April 24, 2024: Current Alzheimer Research
https://read.qxmd.com/read/38623985/the-postoperative-effects-of-anesthesia-exposure-on-cognitive-decline-in-older-adults-a-narrative-review
#4
JOURNAL ARTICLE
Kathleen Angela Willoughby-Dudley, Marielle L Darwin, Deana B Davalos
BACKGROUND: As modern medicine continues to make strides in effective surgical treatments, we must also consider the critical impact of anesthesia on neuropsychological outcomes. Recent evidence suggests that anesthesia exposure may be a risk factor for postoperative cognitive decline and the eventual development of dementia. OBJECTIVES: To explore the vulnerability of the aging brain in the context of anesthesia exposure in surgery, studies will be reviewed, and pertinent findings will be highlighted and explored to better understand risks and possible factors that need to be considered when contemplating surgery...
April 15, 2024: Current Alzheimer Research
https://read.qxmd.com/read/38623984/post-translational-modifications-in-tau-and-their-roles-in-alzheimer-s-pathology
#5
JOURNAL ARTICLE
Subha Kalyaanamoorthy, Stanley Kojo Opare, Xiaoxiao Xu, Aravindhan Ganesan, Praveen P N Rao
Microtubule-Associated Protein Tau (also known as tau) has been shown to accumulate into paired helical filaments and neurofibrillary tangles, which are known hallmarks of Alzheimer's disease (AD) pathology. Decades of research have shown that tau protein undergoes extensive post-translational modifications (PTMs), which can alter the protein's structure, function, and dynamics and impact the various properties such as solubility, aggregation, localization, and homeostasis. There is a vast amount of information describing the impact and role of different PTMs in AD pathology and neuroprotection...
April 15, 2024: Current Alzheimer Research
https://read.qxmd.com/read/38623983/comprehensive-insights-into-pathophysiology-of-alzheimer-s-disease-herbal-approaches-for-mitigating-neurodegeneration
#6
JOURNAL ARTICLE
Debasis Sen, Sunny Rathee, Vishal Pandey, Sanjay K Jain, Umesh K Patil
Alzheimer's disease [AD] is a progressive neurodegenerative disorder characterized by cognitive decline, memory loss, and functional impairment. Despite extensive research, the exact etiology remains elusive. This review explores the multifaceted pathophysiology of AD, focusing on key hypotheses such as the cholinergic hypothesis, hyperphosphorylated Tau Protein and Amyloid β hypothesis, oxidative stress hypothesis, and the metal ion hypothesis. Understanding these mechanisms is crucial for developing effective therapeutic strategies...
April 15, 2024: Current Alzheimer Research
https://read.qxmd.com/read/38566375/evaluation-and-characterization-of-modified-k114-method-to-localize-plaques-in-rodent-and-plaques-and-tangles-in-human-brain-tissue
#7
JOURNAL ARTICLE
Sanjana Padala, Sharay Setti, James Raymick, Joseph Hanig, Sumit Sarkar
BACKGROUND: A plethora of studies has shown the utility of several chemical dyes due to their affinity to bind Aβ to enable visualization of plaques under light or fluorescence microscope, and some of them showed affinity to bind neurofibrillary tangles (NFT) as well. However, only a few of them have the propensity to bind both senile plaques (SP) and NFT simultaneously. OBJECTIVE: In our current study, we aimed to modify the K114 dye and the staining procedure to substantially improve the staining of amyloid plaques in both human and rodent brains and neurofibrillary tangles in the human brain...
April 1, 2024: Current Alzheimer Research
https://read.qxmd.com/read/38529601/disruptions-of-gut-microbiota-are-associated-with-cognitive-deficit-of-preclinical-alzheimer-s-disease-a-cross-sectional-study
#8
JOURNAL ARTICLE
Binbin Yu, Guomeng Wan, Shupeng Cheng, Pengcheng Wen, Xi Yang, Jiahuan Li, Huifang Tian, Yaxin Gao, Qian Zhong, Jin Liu, Jianan Li, Yi Zhu
BACKGROUND: Alzheimer's Disease (AD) is the most prevalent type of dementia. The early change of gut microbiota is a potential biomarker for preclinical AD patients. OBJECTIVE: The study aimed to explore changes in gut microbiota characteristics in preclinical AD patients, including those with Subjective Cognitive Decline (SCD) and Mild Cognitive Impairment (MCI), and detect the correlation between gut microbiota characteristics and cognitive performances. METHODS: This study included 117 participants [33 MCI, 54 SCD, and 30 Healthy Controls (HC)]...
March 25, 2024: Current Alzheimer Research
https://read.qxmd.com/read/38529600/current-progress-on-central-cholinergic-receptors-as-therapeutic-targets-for-alzheimer-s-disease
#9
JOURNAL ARTICLE
Kushagra Nagori, Madhulika Pradhan, Mukesh Sharma, Ajazuddin, Hemant R Badwaik, Kartik T Nakhate
Acetylcholine (ACh) is ubiquitously present in the nervous system and has been involved in the regulation of various brain functions. By modulating synaptic transmission and promoting synaptic plasticity, particularly in the hippocampus and cortex, ACh plays a pivotal role in the regulation of learning and memory. These procognitive actions of ACh are mediated by the neuronal muscarinic and nicotinic cholinergic receptors. The impairment of cholinergic transmission leads to cognitive decline associated with aging and dementia...
March 25, 2024: Current Alzheimer Research
https://read.qxmd.com/read/38523524/plant-soup-formulations-show-cholinesterase-inhibition-potential-in-the-prevention-of-alzheimer-s-disease
#10
JOURNAL ARTICLE
Dorota Gajowniczek-Ałasa, Dominik Szwajgier, Ewa Baranowska-Wójcik
BACKGROUND: As the cholinesterase theory is a prominent hypothesis underlying our current understanding of Alzheimer's disease (AD), the goal of this study was to compose functional vegan lunchtime soups with potential health benefits in the prevention of AD (in the context of cholinesterase inhibition). MATERIALS AND METHODS: The potential of 36 edible plant raw materials in terms of acetyl- and butyrylcholinesterase inhibition was investigated using a 96-well microplate reader...
March 22, 2024: Current Alzheimer Research
https://read.qxmd.com/read/38509675/beyond-conventional-therapies-molecular-dynamics-of-alzheimer-s-treatment-through-clock-bmal1-interactions
#11
JOURNAL ARTICLE
Ismail Celil Haskologlu, Emine Erdag, Ahmet Ozer Sehirli, Orhan Uludag, Nurettin Abacioglu
Alzheimer's Disease (AD) represents a neurodegenerative disorder characterized by cognitive and behavioral impairments significantly hindering social and occupational functioning. Melatonin, a hormone pivotal in regulating the body's intrinsic circadian rhythm, also acts as a catalyst in the breakdown of beta-amyloid deposits, offering a promising therapeutic approach for AD. The upregulation of Brain and Muscle ARNT-Like 1 (Bmal1) gene expression, stimulated by melatonin, emerges as a potential contributor to AD intervention...
March 19, 2024: Current Alzheimer Research
https://read.qxmd.com/read/38482617/research-progress-of-mitophagy-in-alzheimer-s-disease
#12
JOURNAL ARTICLE
Jinglin Yao, Bohong Kan, Zhengjia Dong, Zhenyu Tang
The prevalence of Alzheimer's disease (AD) is increasing as the elderly population, which hurts elderly people's cognition and capacity for self-care. The process of mitophagy involves the selective clearance of ageing and impaired mitochondria, which is required to preserve intracellular homeostasis and energy metabolism. Currently, it has been discovered that mitophagy abnormalities are intimately linked to the beginning and progression of AD. This article discusses the mechanism of mitophagy, abnormal mitophagy, and therapeutic effects in AD...
March 12, 2024: Current Alzheimer Research
https://read.qxmd.com/read/38468530/drug-design-for-alzheimer-s-disease-biologics-vs-small-molecules
#13
JOURNAL ARTICLE
Donald Weaver
There shall probably be no "magic bullet" for Alzheimer's; rather, we should be pursuing a "magic shotgun blast" that will target multiple complementary therapeutic receptors. Although protein misfolding/oligomerization will probably be one of these targets, this alone is insufficient and will require the co-administration of other therapeutic entities engaging targets, such as immunopathy, gliopathy, mitochondriopathy, synaptotoxicity or others. Although polypharmacy is emerging as the preferred therapeutic route, many questions remain unanswered...
March 8, 2024: Current Alzheimer Research
https://read.qxmd.com/read/38468529/a-review-onthe-use-of-modern-computational-methods-in-alzheimer-s-disease-detection-and-prediction
#14
JOURNAL ARTICLE
Arka De, Tusar Kanti Mishra, Sameeksha Saraf, Balakrushna Tripathy, Shiva Sankar Reddy
Discoveries in the field of medical sciences are blooming rapidly at the cost of voluminous efforts. Presently, multidisciplinary research activities have been especially contributing to catering cutting-edge solutions to critical problems in the domain of medical sciences. The modern age computing resources have proved to be a boon in this context. Effortless solutions have become a reality, and thus, the real beneficiary patients are able to enjoy improved lives. One of the most emerging problems in this context is Alzheimer's disease, an incurable neurological disorder...
March 8, 2024: Current Alzheimer Research
https://read.qxmd.com/read/38445703/nanostructured-lipid-carriers-of-donepezil-hydrochloride-for-the-treatment-of-alzheimer-s-disease
#15
JOURNAL ARTICLE
Avinash Tekade, Ram Susar, Gajanan Kulkarni, Samiksha Surwade, Anil Gaikwad
BACKGROUND: Alzheimer's Disease (AD) is a long-term brain disorder that worsens over time. A cholinesterase inhibitor called Donepezil HCl (DNZ) is used to treat and control AD. Due to its failure to reach the appropriate concentration in the brain cells, its efficacy upon oral administration is limited, and thus investigation of alternative administration route is necessary. OBJECTIVE: The objective of this study was to develop donepezil HCl-loaded Nanostructured Lipid Carriers (NLCs) that can bypass the blood-brain barrier and thus be directly delivered to the brain through the nasal route...
March 5, 2024: Current Alzheimer Research
https://read.qxmd.com/read/38445702/multimodal-gamma-stimulation-improves-activity-but-not-memory-in-aged-tgf344-ad-rats
#16
JOURNAL ARTICLE
J H Bentley, J I Broussard
BACKGROUND: Multimodal sensory gamma stimulation is a treatment approach for Alzheimer's disease that has been shown to improve pathology and memory in transgenic mouse models of Alzheimer's. Because rats are closer to humans in evolution, we tested the hypothesis that the transgenic rat line bearing human APP and PS1, line TgF344-AD, would be a good supplemental candidate to test the efficacy of this treatment. Current therapy approaches under investigation seek to utilize the immune response to minimize or degrade the accumulation of β-amyloid plaque load in mouse models designed to overexpress Aβ...
March 5, 2024: Current Alzheimer Research
https://read.qxmd.com/read/38425107/exploring-potential-of-nano-formulations-in-the-treatment-of-alzheimer-s-disease-through-nasal-route
#17
JOURNAL ARTICLE
Avinash Tekade, Prasad Kadam, Sachin Jagdale, Samiksha Surwade, Anil Gaikwad, Parth Pawar, Rushikesh Shinde
OBJECTIVE: Alzheimer's disease, a progressive neurodegenerative disorder, severely impacts cognitive function and daily living. The current treatment provides only symptomatic relief, and thus, disease-modifying therapies targeting underlying causes are needed. Although several potential therapies are in various stages of clinical trials, bringing a new Alzheimer's drug to market remains challenging. Hence, researchers are also exploring monoclonal antibodies, tau protein inhibitors, and anti-inflammatory drugs as treatment options...
February 29, 2024: Current Alzheimer Research
https://read.qxmd.com/read/38425106/estimating-dementia-onset-at-n-profiles-and-predictive-modeling-in-mild-cognitive-impairment-patients
#18
JOURNAL ARTICLE
Carlos Platero, Jussi Tohka, Bryan Strange
BACKGROUND: Mild Cognitive Impairment (MCI) usually precedes the symptomatic phase of dementia and constitutes a window of opportunities for preventive therapies. OBJECTIVES: The objective of this study was to predict the time an MCI patient has left to reach dementia and obtain the most likely natural history in the progression of MCI towards dementia. METHODS: This study was conducted on 633 MCI patients and 145 subjects with dementia through 4726 visits over 15 years from Alzheimer Disease Neuroimaging Initiative (ADNI) cohort...
February 28, 2024: Current Alzheimer Research
https://read.qxmd.com/read/38424434/handwriting-markers-for-the-onset-of-alzheimer-s-disease
#19
JOURNAL ARTICLE
Yury Chernov
INTRODUCTION: Alzheimer's disease has an impact on handwriting (AD). Numerous researchers reported that fact. Therefore, examining handwriting characteristics could be a useful way to screen for AD. The aim of the article is to present the reliability and effectiveness of the AD-HS tool. METHOD: Most of the existing studies examine either linguistic manifestations of writing or certain motor functions. However, handwriting is a complex of cognitive and motor activities...
February 28, 2024: Current Alzheimer Research
https://read.qxmd.com/read/38424433/proton-pump-inhibitors-and-cognitive-health-review-on-unraveling-the-dementia-connection-and-co-morbid-risks
#20
JOURNAL ARTICLE
Zuber Khan, Sidharth Mehan, Mohd Anas Saifi, Ghanshyam Das Gupta, Acharan S Narula, Reni Kalfin
Dementia, an international health issue distinguished by the impairment of daily functioning due to cognitive decline, currently affects more than 55 million people worldwide, with the majority residing in low-income and middle-income countries. Globally, dementia entails significant economic burdens in 2019, amounting to a cost of 1.3 trillion US dollars. Informal caregivers devote considerable hours to providing care for those affected. Dementia imposes a greater caregiving and disability-adjusted life-year burden on women...
February 28, 2024: Current Alzheimer Research
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