December 2021

Deep nasal sinus cavity microbiota dysbiosis in Parkinson’s disease

Olfactory /

Olfactory dysfunction is a pre-motor symptom of Parkinson’s disease (PD) that appears years prior to diagnosis and can affect quality of life in PD. Changes in microbiota community in deep nasal cavity near the olfactory bulb may trigger the olfactory bulb-mediated neuroinflammatory cascade and eventual dopamine loss in PD. To determine if the deep nasal […]

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The Undeniable Link Between the Brain and Gut

Biomarkers, Constipation, Gut Dysbiosis, Gut Microbiota, Gut Permeability / Leaky Gut, Gut-Brain axis, Probiotics, Prebiotics and Symbiotics /

Nausea, heartburn, indigestion, constipation, andstomach pain are all kinds of gastrointestinal problems we have faced before. They are easy to dismissas merely an upset stomach, but this mentality couldbuild up and ultimately be detrimental to mental and physicalhealth. Improperly caring for the digestive system can lead toextensive intestinal health issues. The microbiome is a collectionof

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Potential Role of Akkermansia muciniphila in Parkinson’s Disease and Other Neurological/Autoimmune Diseases

Gut Microbiota, Parkinson's Disease /

The composition of the gut microbiota, including Akkermansia muciniphila (A. muciniphila), is altered in many neurological diseases and may be involved in the pathophysiological processes of Parkinson’s disease (PD). A. muciniphila, a mucin-degrading bacterium, is a potential next-generation microbe that has anti-inflammatory properties and is responsible for keeping the body healthy. As the role of A. muciniphila in PD has

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Gram-negative bacteria and their lipopolysaccharides in Alzheimer’s disease: pathologic roles and therapeutic implications

Lipopolysaccharides (LPS) /

Alzheimer’s disease (AD) is the most serious age-related neurodegenerative disease and causes destructive and irreversible cognitive decline. Failures in the development of therapeutics targeting amyloid-β (Aβ) and tau, principal proteins inducing pathology in AD, suggest a paradigm shift towards the development of new therapeutic targets. The gram-negative bacteria and lipopolysaccharides (LPS) are attractive new targets

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Gut dysbiosis, defective autophagy and altered immune responses in neurodegenerative diseases: Tales of a vicious cycle

Autophagy, Gut Dysbiosis, Parkinson's Disease, Probiotics, Prebiotics and Symbiotics /

The human microbiota comprises trillions of symbiotic microorganisms and is involved in regulating gastrointestinal (GI), immune, nervous system and metabolic homeostasis. Recent observations suggest a bidirectional communication between the gut microbiota and the brain via immune, circulatory and neural pathways, termed the Gut-Brain Axis (GBA). Alterations in gut microbiota composition, such as seen with an increased number of pathobionts

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Does Data-Independent Acquisition Data Contain Hidden Gems? A Case Study Related to Alzheimer’s Disease

Autophagy, Parkinson's Disease /

One of the potential benefits of using data-independent acquisition (DIA) proteomics protocols is that information not originally targeted by the study may be present and discovered by subsequent analysis. Herein, we reanalyzed DIA data originally recorded for global proteomic analysis to look for isomerized peptides, which occur as a result of spontaneous chemical modifications to

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Composition of intestinal flora affects the risk relationship between Alzheimer’s disease/Parkinson’s disease and cancer

Gut Microbiota, Gut Permeability / Leaky Gut, Hydrogen, Parkinson's Disease, Pre-PD /

An increasing number of epidemiological studies have shown that there is a significant inverse relationship between the onset of Alzheimer’s disease/Parkinson’s disease (AD/PD) and cancer, but the mechanism is still unclear. Considering that intestinal flora can connect them, we tried to explain this phenomenon from the intestinal flora. This review briefly introduced the relationship among AD/PD, cancer,

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Neuroprotective effects of hydrogen sulfide on Parkinson’s disease rat models

Parkinson's Disease, Pre-PD, Vitamins / Supplements / Nutraceuticals /

Parkinson’s disease (PD) is a neurodegenerative disordercharacterized by a progressive loss of dopaminergic neu-rons in the substantia nigra (SN). The present study wasdesigned to examine the therapeutic effect of hydrogensulfide (H2S, a novel biological gas) on PD. The endoge-nous H2S level was markedly reduced in the SN in a6-hydroxydopamine (6-OHDA)-induced PD rat model. Sys-temic administration

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Environmental factors in Parkinson’s disease: New insights into the molecular mechanisms

A-Synuclein, Enviromental /

Parkinson’s disease is a chronic, progressive neurodegenerative disorder affecting 2–3% of the population ≥65 years. It has long been characterized by motor impairment, autonomic dysfunction, and psychological and cognitive changes. The pathological hallmarks are intracellular inclusions containing α-synuclein aggregates and the loss of dopaminergic neurons in the substantia nigra. Parkinson’s disease is thought to be caused by a combination

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Plant derived bioactive compounds and their potential to enhance adult neurogenesis

Anti-oxidants, Herbs & Spices, Parkinson's Disease, Pre-PD /

Self-renewal and proliferation of neural progenitor cells occur throughout humans’ lives. However, aging, stress, and degenerative diseases can hinder or stop the process. If you can accelerate neurogenesis in adults, this is a promising way to recover from neurodegeneration and cognitive impairments. As the demand for a safer and natural therapeutic product has increased over

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