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Nitazoxanide: A first-in-class broad-spectrum antiviral agent - PMC
Nitazoxanide: A first-in-class broad-spectrum antiviral agent - PMC
Originally developed and commercialized as an antiprotozoal agent, nitazoxanide was later identified as a first-in-class broad-spectrum antiviral drug and has been repurposed for the treatment of influenza. A Phase 2b/3 clinical trial recently published ...
·ncbi.nlm.nih.gov·
Nitazoxanide: A first-in-class broad-spectrum antiviral agent - PMC
Male Fertility and the Semen Microbiome - David Perlmutter M.D.
Male Fertility and the Semen Microbiome - David Perlmutter M.D.
It seems as if there is no limit to the various body systems that are now being characterized as having a unique association with bacteria and other resident living organisms. …
·drperlmutter.com·
Male Fertility and the Semen Microbiome - David Perlmutter M.D.
Food Preservative Poses Gut Health Risks | NaturalHealth365
Food Preservative Poses Gut Health Risks | NaturalHealth365
(NaturalHealth365) Discover the findings of a recent study published in ACS Chemical Biology about the dangers of a common food preservative.
·naturalhealth365.com·
Food Preservative Poses Gut Health Risks | NaturalHealth365
Activity of Gut-Derived Nisin-like Lantibiotics against Human Gut Pathogens and Commensals | ACS Chemical Biology
Activity of Gut-Derived Nisin-like Lantibiotics against Human Gut Pathogens and Commensals | ACS Chemical Biology
Recent advances in sequencing techniques unveiled the vast potential of ribosomally synthesized and post-translationally modified peptides (RiPPs) encoded in microbiomes. Class I lantibiotics such as nisin A, widely used as a food preservative, have been investigated for their efficacy in killing pathogens. However, the impact of nisin and nisin-like class I lantibiotics on commensal bacteria residing in the human gut remains unclear. Here, we report six gut-derived class I lantibiotics that are close homologues of nisin, four of which are novel. We applied an improved lantibiotic expression platform to produce and purify these lantibiotics for antimicrobial assays. We determined their minimal inhibitory concentration (MIC) against both Gram-positive human pathogens and gut commensals and profiled the lantibiotic resistance genes in these pathogens and commensals. Structure–activity relationship (SAR) studies with analogs revealed key regions and residues that impact their antimicrobial properties. Our characterization and SAR studies of nisin-like lantibiotics against both pathogens and human gut commensals could shed light on the future development of lantibiotic-based therapeutics and food preservatives.
·pubs.acs.org·
Activity of Gut-Derived Nisin-like Lantibiotics against Human Gut Pathogens and Commensals | ACS Chemical Biology
Frontiers | Urinary Microbiome: Yin and Yang of the Urinary Tract
Frontiers | Urinary Microbiome: Yin and Yang of the Urinary Tract
The application of next generation sequencing techniques has allowed the characterization of the urinary tract microbiome and has led to the rejection of the pre-established concept of sterility in the urinary bladder. Not only have microbial communities in the urinary tract been implicated in the maintenance of health but alterations in their composition have also been associated with different urinary pathologies, such as urinary tract infections (UTI). Therefore, the study of the urinary microbiome in healthy individuals, as well as its involvement in disease through the proliferation of opportunistic pathogens, could open a potential field of study, leading to new insights into prevention, diagnosis and treatment strategies for urinary pathologies. In this review we present an overview of the current state of knowledge about the urinary microbiome in health and disease, as well as its involvement in the development of new therapeutic strategies.
·frontiersin.org·
Frontiers | Urinary Microbiome: Yin and Yang of the Urinary Tract
The fecal microbiome of ALS patients - Neurobiology of Aging
The fecal microbiome of ALS patients - Neurobiology of Aging
Amyotrophic lateral sclerosis (ALS) is a fatal neurodegenerative motor neuron disease accompanied by both systemic and central nervous system–specific…
·neurobiologyofaging.org·
The fecal microbiome of ALS patients - Neurobiology of Aging
Infant Gut Microbiome Associated with Cognitive Development - Biologic (...)
Infant Gut Microbiome Associated with Cognitive Development - Biologic (...)
Studies in rodents provide compelling evidence that microorganisms inhabiting the gut influence neurodevelopment. In particular, experimental manipulations that alter intestinal microbiota impact exploratory and communicative behaviors and cognitive performance. In humans, the first years of life are a dynamic time in gut colonization and brain development, but little is known about the relationship between these two processes.
·biologicalpsychiatryjournal.com·
Infant Gut Microbiome Associated with Cognitive Development - Biologic (...)
Gut microbiome in ADHD and its relation to neural reward anticipation
Gut microbiome in ADHD and its relation to neural reward anticipation
Background Microorganisms in the human intestine (i.e. the gut microbiome) have an increasingly recognized impact on human health, including brain functioning. Attention-deficit/hyperactivity disorder (ADHD) is a neurodevelopmental disorder associated with abnormalities in dopamine neurotransmission and deficits in reward processing and its underlying neuro-circuitry including the ventral striatum. The microbiome might contribute to ADHD etiology via the gut-brain axis. In this pilot study, we investigated potential differences in the microbiome between ADHD cases and undiagnosed controls, as well as its relation to neural reward processing. Methods We used 16S rRNA marker gene sequencing (16S) to identify bacterial taxa and their predicted gene functions in 19 ADHD and 77 control participants. Using functional magnetic resonance imaging (fMRI), we interrogated the effect of observed microbiome differences in neural reward responses in a subset of 28 participants, independent of diagnosis. Results For the first time, we describe gut microbial makeup of adolescents and adults diagnosed with ADHD. We found that the relative abundance of several bacterial taxa differed between cases and controls, albeit marginally significant. A nominal increase in the Bifidobacterium genus was observed in ADHD cases. In a hypothesis-driven approach, we found that the observed increase was linked to significantly enhanced 16S-based predicted bacterial gene functionality encoding cyclohexadienyl dehydratase in cases relative to controls. This enzyme is involved in the synthesis of phenylalanine, a precursor of dopamine. Increased relative abundance of this functionality was significantly associated with decreased ventral striatal fMRI responses during reward anticipation, independent of ADHD diagnosis and age. Conclusions Our results show increases in gut microbiome predicted function of dopamine precursor synthesis between ADHD cases and controls. This increase in microbiome function relates to decreased neural responses to reward anticipation. Decreased neural reward anticipation constitutes one of the hallmarks of ADHD.
·journals.plos.org·
Gut microbiome in ADHD and its relation to neural reward anticipation
The gut microbiome and cardiovascular disease: current knowledge and clinical potential | American Journal of Physiology-Heart and Circulatory Physiology
The gut microbiome and cardiovascular disease: current knowledge and clinical potential | American Journal of Physiology-Heart and Circulatory Physiology
Cardiovascular disease (CVD) is the leading cause of death worldwide. The human body is populated by a diverse community of microbes, dominated by bacteria, but also including viruses and fungi. The largest and most complex of these communities is located in the gastrointestinal system and, with its associated genome, is known as the gut microbiome. Gut microbiome perturbations and related dysbiosis have been implicated in the progression and pathogenesis of CVD, including atherosclerosis, hypertension, and heart failure. Although there have been advances in the characterization and analysis of the gut microbiota and associated bacterial metabolites, the exact mechanisms through which they exert their action are not well understood. This review will focus on the role of the gut microbiome and associated functional components in the development and progression of atherosclerosis. Potential treatments to alter the gut microbiome to prevent or treat atherosclerosis and CVD are also discussed.
·journals.physiology.org·
The gut microbiome and cardiovascular disease: current knowledge and clinical potential | American Journal of Physiology-Heart and Circulatory Physiology
2 Here's Why You Don't Ever Want to Eat Moldy Bread
2 Here's Why You Don't Ever Want to Eat Moldy Bread
There are some foods you can cut around the mold, while others may make you sick; here are some tips for how to reduce mold growth on your food.
·takecontrol.substack.com·
2 Here's Why You Don't Ever Want to Eat Moldy Bread
Gut Microbiota in Cardiovascular Health and Disease - PMC
Gut Microbiota in Cardiovascular Health and Disease - PMC
Significant interest in recent years has focused on gut microbiota-host interaction because accumulating evidence has revealed that intestinal microbiota play an important role in human health and disease, including cardiovascular diseases. Changes in ...
·ncbi.nlm.nih.gov·
Gut Microbiota in Cardiovascular Health and Disease - PMC
1 Over the Counter UTI Relief & Urinary Supplements
1 Over the Counter UTI Relief & Urinary Supplements
Founded by a chronic UTI sufferer, Uqora makes UTI relief products and proactive urinary tract health supplements that work. Try Uqora risk-free today!
·uqora.com·
1 Over the Counter UTI Relief & Urinary Supplements
Frontiers | Recurrent Urinary Tract Infections: Unraveling the Complicated Environment of Uncomplicated rUTIs
Frontiers | Recurrent Urinary Tract Infections: Unraveling the Complicated Environment of Uncomplicated rUTIs
Urinary tract infections (UTIs) are frequent in humans, affecting the upper and lower urinary tract. Present diagnosis relies on the positive culture of uropathogenic bacteria from urine and clinical markers of inflammation of the urinary tract. The bladder is constantly challenged by adverse environmental stimuli which influence urinary tract physiology, contributing to a dysbiotic environment. Simultaneously, pathogens are primed by environmental stressors such as antibiotics, favoring recurrent UTIs (rUTIs), resulting in chronic illness. Due to different confounders for UTI onset, a greater understanding of the fundamental environmental mechanisms and microbial ecology of the human urinary tract is required. Such advancements could promote the tandem translation of bench and computational studies for precision treatments and clinical management of UTIs. Therefore, there is an urgent need to understand the ecological interactions of the human urogenital microbial communities which precede rUTIs. This review aims to outline the mechanistic aspects of rUTI ecology underlying dysbiosis between both the human microbiome and host physiology which predisposes humans to rUTIs. By assessing the applications of next generation and systems level methods, we also recommend novel approaches to elucidate the systemic consequences of rUTIs which requires an integrated approach for successful treatment. To this end, we will provide an outlook towards the so-called ‘uncomplicated enviro...
·frontiersin.org·
Frontiers | Recurrent Urinary Tract Infections: Unraveling the Complicated Environment of Uncomplicated rUTIs