Well Referenced

Tag: metabolism

The effects of nicotinamide adenine dinucleotide in cardiovascular diseases: Molecular mechanisms, roles and therapeutic potential

This 2021 review explores the multifaceted role of nicotinamide adenine dinucleotide (NAD⁺) in cardiovascular diseases (CVDs). NAD⁺ is integral to metabolic pathways, redox balance, and immune modulation. The article discusses how NAD⁺ influences cardiovascular health through sirtuin-dependent and independent mechanisms, affecting aging, inflammation, and oxidative stress. It highlights the potential

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June 26, 2025 No Comments

Accurate measurement of nicotinamide adenine dinucleotide (NAD⁺) with high-performance liquid chromatography

This 2013 protocol outlines a highly quantitative method using reverse-phase high-performance liquid chromatography (HPLC) for determining NAD⁺ levels in cells and tissues. The technique employs perchloric acid extraction to stabilize NAD⁺, followed by separation on a C18 column and detection via UV absorbance at 259 nm. Validation with tandem mass

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June 26, 2025 No Comments

mTOR in aging, metabolism, and cancer

In this 2013 review, Cornu, Albert, and Hall delve into the multifaceted role of the mechanistic target of rapamycin (mTOR) in regulating aging, metabolism, and cancer. mTOR, a central kinase, integrates signals from nutrients, growth factors, and energy status to modulate cell growth, proliferation, and survival. The authors discuss how

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June 26, 2025 No Comments

NAD⁺ in aging, metabolism, and neurodegeneration

This review article by Eric Verdin, published in Science, delves into the multifaceted roles of nicotinamide adenine dinucleotide (NAD⁺) in aging, metabolic processes, and neurodegenerative diseases. NAD⁺ is pivotal in redox reactions and serves as a substrate for enzymes like sirtuins, PARPs, and CD38, which are integral to DNA repair,

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June 26, 2025 No Comments

Nicotinamide adenine dinucleotide: Biosynthesis, consumption and therapeutic role in cardiac diseases

This 2021 review by Tannous et al. provides an in-depth analysis of nicotinamide adenine dinucleotide (NAD+), focusing on its biosynthesis, consumption, and therapeutic potential in cardiac diseases. The authors outline the primary NAD+ biosynthetic pathways: the de novo pathway from tryptophan, the Preiss-Handler pathway from nicotinic acid, and the salvage

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June 26, 2025 No Comments

Partial Reversal of Skeletal Muscle Aging by Restoration of Normal NAD⁺ Levels

This review discusses findings from Gomes et al., highlighting that age-related oxidative phosphorylation (OXPHOS) defects in murine skeletal muscle occur in two phases. In the initial phase, reduced expression of mitochondrially encoded genes leads to decreased OXPHOS activity. Administering nicotinamide mononucleotide (NMN), a precursor to NAD⁺, for one week to

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June 26, 2025 No Comments

Fingerstick blood assay maps real-world NAD+ disparity across gender and age

In this 2023 study published in Aging Cell, Wang et al. developed a minimally invasive fingerstick blood assay to measure nicotinamide adenine dinucleotide (NAD+) levels, enabling large-scale assessment of NAD+ status across diverse populations. The researchers analyzed samples from over 1,000 individuals, uncovering significant disparities in NAD+ concentrations related to

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June 26, 2025 No Comments

NAD+ Intermediates: The Biology and Therapeutic Potential of NMN and NR

This comprehensive review explores the roles of nicotinamide mononucleotide (NMN) and nicotinamide riboside (NR) as NAD+ precursors, emphasizing their mechanisms of action, therapeutic potential, and implications for aging and metabolic health. The authors discuss how both NMN and NR enhance NAD+ biosynthesis through distinct pathways: NR is phosphorylated by nicotinamide

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June 26, 2025 No Comments

Nicotinamide mononucleotide administration after severe hypoglycemia improves neuronal survival and cognitive function in rats

In this 2020 study, Wang et al. examined the neuroprotective effects of nicotinamide mononucleotide (NMN) following severe hypoglycemia-induced brain injury in rats. NMN was administered intraperitoneally at a dose of 500 mg/kg immediately after hypoglycemia. The treatment significantly improved cognitive performance, as assessed by behavioral tests, and reduced neuronal death

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June 26, 2025 No Comments

Preclinical and Clinical Evidence of NAD⁺ Precursors in Health, Disease, and Ageing

This comprehensive review examines the therapeutic potential of NAD⁺ precursors—namely nicotinamide riboside (NR), nicotinamide mononucleotide (NMN), and dihydronicotinamide riboside (NRH)—in addressing age-related NAD⁺ decline and associated diseases. The authors highlight that NAD⁺ levels decrease with age due to diminished synthesis and increased consumption, contributing to metabolic dysfunction, neurodegeneration, and reduced

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June 26, 2025 No Comments