Clinical Trials About "regulates mitochondrial properties beyond biogenesis with aging exercise" RSS

23:27 EST 28th February 2020 | BioPortfolio

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Showing "regulates mitochondrial properties beyond biogenesis with aging exercise" Clinical Trials 1–25 of 9,900+

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Taurine Supplementation and Training Effects on Energy Metabolism, Inflammation and Oxidative Stress in Obese Women

Taurine supplementation researches have increased due to its antioxidant and anti-inflammatory actions, and its ability to modulate lipid metabolism by stimulating the expression of proteins that regulates mitochondrial biogenesis and increases respiratory function (PGC-1α and PPAR) and irisin release when associated to exercise. Since obesity can induce metabolic disorders including abnormal production of adipokines and activation of pro-inflammatory signaling pathways also m...

The Production of Reactive Oxygen Species in Response to Glutathione Supplementation and Acute Exercise

Objectives: The research focus of the study is the production of reactive oxygen species (ROS) in patients with type 2 diabetes (T2D) in response to glutathione (GSH) supplementation and in response to acute exercise. Oxidative stress is suggested as a possible causative factor in the pathophysiology of skeletal muscle insulin resistance. GSH is the most abundant endogenous antioxidant in the cell and thus, a crucial protector against oxidative stress and insulin resistance. I...

Examining The Effect of Blood Flow Restricted Aerobic Training on Mitochondrial Adaptations in Young Healthy Adults

This parallel-arm trial study investigates the effects of restricting arterial blood flow during cycling exercise on citrate synthase. Participants will be randomized to either a blood flow restricted or non-blood flow restricted exercise training group. Both groups will complete seven, 30-minute exercise sessions over a 14-day period.

Time-course of Mitochondrial Biogenic Gene and Protein Expression in Exercised Human Skeletal Muscle

This study examines the impact of exercise intensity on the 12-hour time-course of mitochondrial biogenic gene and protein expression in human skeletal muscle. Briefly, participants will perform two experimental sessions involving an acute bout of work-matched low- or high-intensity interval cycling exercise in a randomized crossover fashion, two weeks apart. Skeletal muscle biopsies will be obtained from the vastus lateralis (3 from each leg) before and 1, 3, 6, 9, and 12 hour...

RTA 408 Capsules in Patients With Mitochondrial Myopathy - MOTOR

Mitochondrial myopathies are a multisystemic group of disorders that are characterized by a wide range of biochemical and genetic mitochondrial defects and variable modes of inheritance. Currently there are no effective treatments for this disease. Despite the heterogeneous myopathy phenotypes, a unifying feature of mitochondrial myopathies is that the pathogenic mtDNA mutations and/or nuclear mutations of the electron transport chain invariably lead to dysfunctional mitochon...

Examining the Impact of Blood Flow Restricted Aerobic Exercise on PGC-1α mRNA Expression in Young Healthy Males

This crossover study investigates the effects of restricting arterial blood flow during cycling exercise on PGC-1α and its upstream signalling pathways. In a randomized order, participants will exercise once for 30 minutes with restricted blood flow and then will exercise once for 30 minutes with no blood flow restriction.


We are trying to understand how insulin (a type of hormone in the body that regulates how the body regulates how one metabolizes protein and carbohydrates) and exercise alter proteins involved in energy production and metabolism in skeletal muscle.

Niacin Supplementation in Healthy Controls and Mitochondrial Myopathy Patients

The most frequent form of adult-onset mitochondrial disorders is mitochondrial myopathy, often manifesting with progressive external ophthalmoplegia (PEO), progressive muscle weakness and exercise intolerance. Mitochondrial myopathy is often caused by single heteroplasmic mitochondrial DNA (mtDNA) deletions or multiple mtDNA deletions, the former being sporadic and latter caused by mutations in nuclear-encoded proteins of mtDNA maintenance. Currently, no curative treatment exis...

Nicotinamide Riboside and Mitochondrial Biogenesis

Mitochondria are important parts of the cell that are responsible for producing energy. The amount of energy they produce depends on how much energy the body needs to function and this energy production can be severely impaired in people with mitochondrial disease. Symptoms of mitochondrial disease vary widely but usually involve the brain, nerves and muscles, as these are tissues that need a lot of energy. Mitochondrial disorders affect 1 in 5000 of the UK population and there...

Insulin Sensitizers on Mitochondrial ATP Production and Mitochondrial ATP Production and Mitochondrial Protein Synthesis on Insulin Resistant Type 2 Diabetes and Obesity

An association between insulin resistance and mitochondrial dysfunction has been observed in aging, T2D, and in offspring of patients with T2D. It remains to be determined whether pharmacological agents that enhance insulin sensitivity improve muscle mitochondrial function. If these insulin sensitizers improve muscle mitochondrial functions, there are potential therapeutic opportunities to use these drugs to improve mitochondrial dysfunction such as sarcopenia of aging or obe...


The Effects of Exercise Versus Inactivity on People With Mitochondrial Muscle Disease

Mitochondrial myopathies include various inherited diseases that are caused by damage to the mitochondria, energy-producing structures that fuel the body's processes. The main symptoms are muscle weakness, reduced muscle mass, and difficulty with exercising. The purpose of this study is to determine the effects of exercise training versus inactivity on mitochondrial function in muscle and muscle performance in people with mitochondrial myopathies.

Whey Protein Support to Metabolic and Performance Adaptations in Response HIIT

High intensity interval training (HIIT) has recently emerged as a time efficient alternative to conventional endurance exercise, conferring similar or superior benefits in terms of metabolic and performance adaptations in both athletic and non-athletic populations. Some of these physiological adaptations include augmented mitochondrial biogenesis and improved substrate metabolism in peripheral tissues such as skeletal muscle. However, nutritional strategies to optimise the adap...

Effects of Aerobic and Resistance Training on Accumulation of Old, Modified Proteins in Young and Older Adults

Muscle proteins accumulate damage during aging and leads to the loss of muscle mass and function in older people. Exercise can increase the making of new proteins and removal of older proteins, but it is not known if the effect changes with aging or type of exercise. The investigators will determine the ability for endurance, resistance, or a combination of exercise training to remove older-damaged proteins and make newer-functional muscle proteins in groups of younger and old...

Mitochondrial Remodeling After Exercise

Regulation of mitochondrial health in overweight and obese individuals may be impaired. The purpose of this study is to identify impairments in regulation of mitochondrial health within skeletal muscle and to determine if short-term exercise training (2-weeks) can reverse such impairments. The investigator's hypothesis is that pathways that serve to degrade poorly functioning mitochondria in overweight and obese individuals are down-regulated, but that short-term exercise train...

Matrix Aging and Aneurysm

During their biological life, proteins undergo molecular aging due to many non-enzymatic post-translational modifications that alter their structural and functional properties. These reactions concern all proteins but especially tissue proteins (whose half-life in the organism can be several decades) and lead to the formation of complex products called PTMDPs ("post-translational modification derived products"). Molecular aging is responsible for the alteration of protein prope...

"TAKE TIME" Pioglitazone Reverses Defects in Mitochondrial Biogenesis in Patients With T2DM

This study is designed to look at the effect of Pioglitazone treatment on the body's ability to burn food in order to produce energy.


The molecular nature of insulin resistance in human muscle is still incompletely defined. Our data indicate that acetylation of mitochondrial proteins in humans is regulated by muscle contraction and is dysregulated in insulin resistance. Poor function of mitochondria in skeletal muscle is a hallmark of insulin resistance in skeletal muscle. We propose to use a combination of clinical research and mass spectrometry techniques to determine how the cytosolic and mitochondrial pro...

Vitro Study of Tigecycline to Treat Chronic Myeloid Leukemia

Chronic myeloid leukemia (CML) is a myeloproliferative neoplasm companies with the BCR-ABL fusion gene encoded by the Philadelphia (Ph) chromosome. The BCR-ABL fusion protein(the formation of the chimeric gene BCR/ABL on chromosome 22 and a reciprocal ABL/BCR on chromosome 9,it has no expanded name) plays key role on CML leukemogenesis by activating its downstream signaling pathway of survival and proliferation. Imatinib, a targeted competitive inhibitor of a BCR-ABL tyrosine k...

Intensive Exercise to Improve Mitochondrial Dysfunction in Pediatric Obesity

Obesity and type 2 diabetes are occurring at epidemic rates in the United States and worldwide. The global burden of diabetes is estimated to double over the next 25 years. Obese children are at risk for the development of insulin resistance, relative insulin deficiency and type 2 diabetes mellitus (DM). The prevention of type 2 DM is hindered by the lack of a non-invasive predictive test, knowledge as to individual risk and effective preventative measures. There is increasin...

Does Insulin Sensitivity Impact the Potential of Metformin to Slow Aging

Aging is the number one risk factor for the majority of chronic diseases. There are no pharmaceutical treatments to slow aging and prolong healthspan. The anti-diabetic drug metformin is considered a likely pharmaceutical candidate to slow aging. In this study, the investigators hypothesize that metformin treatment in subjects free of type 2 diabetes will improve insulin sensitivity and glucoregulation in insulin resistant individuals, but will decrease insulin sensitivity and ...

Exercise Effects on Word Learning

The aging Veteran population will substantially increase over the next 10 years, as the 24.9% of Veterans who are currently between 55-64 years of age join the 38.5% who are already over age 65. The risk of stroke more than doubles each decade after age 55, which places Veterans at an ever-increasing risk of suffering stroke-related language impairment (i.e., aphasia). Difficulty retrieving words, which negatively impacts psychosocial well-being and quality of life, is the most...

Nicotinamide Riboside and Mitochondrial Metabolism

Vitamin B3 has recently been found to be a potent modifier of energy metabolism, especially the function of mitochondria. Mitochondria power up all cells in our bodies, by generating fuel, ATP, for cellular functions. In previous studies, it has been discovered that mitochondrial biogenesis and oxidative metabolism in adipose tissue is severely impaired in obesity, already at a young adult age. Here the investigators describe a proposal where they use nicotinamide riboside (NR)...

The Effects of Exercise on Sleep and Brain Health

Brain health and cognitive functioning can be affected by aging. Exercise is a potentially effective method for promoting "successful brain aging" by improving cardiovascular fitness, brain function and possibly sleep quality. This project will measure the effects of exercise on brain health and attempt to develop a better way to track brain health, by measuring brain activity during sleep.

Aging, Exercise, and Hormonal Influences of Fat Metabolism

The purpose of this study is to determine whether exercise alters the way in which the body stores and breaks down fat. A second objective is to evaluate how these effects are influenced by your age and gender. These studies are important because aging, male gender, and menopause are associated with an increased storage of abdominal fat which is frequently accompanied by diabetes, a high blood cholesterol level, high blood pressure and greater risks of heart attack, stroke, a...

Aging and Cortical Excitability

The objective of the current proposal is to identify 1) how aging-related changes in GABAergic cortical inhibition affect motor performance, and 2) how aerobic exercise may improve inhibitory function and facilitate motor learning.

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