Plasma brain-derived neurotrophic factor (BDNF) and sphingosine-1-phosphat (S1P) are NOT the main mediators of neuroprotection induced by resistance training in persons with multiple sclerosis-A randomized controlled trial.

08:00 EDT 1st April 2019 | BioPortfolio

Summary of "Plasma brain-derived neurotrophic factor (BDNF) and sphingosine-1-phosphat (S1P) are NOT the main mediators of neuroprotection induced by resistance training in persons with multiple sclerosis-A randomized controlled trial."

Resistance training (RT) has been shown to elicit neuroprotective effects in persons with multiple sclerosis (pwMS). Brain-derived neurotrophic factor (BDNF) and Sphingosine-1-phosphat (S1P) have been put forward as potent mediators of the neuroprotective effects induced by RT. However, while increases have been shown in acute and chronic circulating BDNF levels in pwMS following aerobic exercise alone or in combination with other exercise regimes, no studies have examined this in response to RT. As a novel 'proof-of-concept' approach, we therefore examined the effects of 24 weeks of RT on acute and chronic circulating BDNF and S1P levels in the same pwMS whom our group had previously observed RT-induced neuroprotective effects in (i.e. increased cortical thickness and preservation of whole brain volume). A total of n = 30 relapsing-remitting pwMS were randomized into a training group (
24 weeks of progressive high intensity resistance training, 2 sessions per week; n = 16, age 44[40:51] years, EDSS score 3.0[2.0:3.5] (median[IQR]) or a control group (
24 weeks of habitual lifestyle; n = 14, age 45[37:47] years, EDSS score 3.0[2.5:3.5]). Plasma levels of BDNF and S1P were assessed by ELISA kits before and after the 24-week intervention period. No within- or between group changes were observed in acute or chronic circulating levels of BDNF. A substantial proportion of the participants had S1P levels below the detection limit, yet no within- or between changes were observed in chronic S1P plasma levels in the remaining samples. Thus, the present findings do not support that circulating plasma BDNF or S1P levels are the main mediators of the neuroprotective effects previously reported in the same group of pwMS.


Journal Details

This article was published in the following journal.

Name: Multiple sclerosis and related disorders
ISSN: 2211-0356
Pages: 106-111


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Medical and Biotech [MESH] Definitions

A member of the nerve growth factor family of trophic factors. In the brain BDNF has a trophic action on retinal, cholinergic, and dopaminergic neurons, and in the peripheral nervous system it acts on both motor and sensory neurons. (From Kendrew, The Encyclopedia of Molecular Biology, 1994)

Cell surface receptors that bind NERVE GROWTH FACTOR; (NGF) and a NGF-related family of neurotrophic factors that includes neurotrophins, BRAIN-DERIVED NEUROTROPHIC FACTOR and CILIARY NEUROTROPHIC FACTOR.

A neurotrophic factor involved in regulating the survival of visceral and proprioceptive sensory neurons. It is closely homologous to nerve growth factor beta and BRAIN-DERIVED NEUROTROPHIC FACTOR.

The founding member of the glial cell line-derived neurotrophic factor family. It was originally characterized as a NERVE GROWTH FACTOR promoting the survival of MIDBRAIN dopaminergic NEURONS, and it has been studied as a potential treatment for PARKINSON DISEASE.

A low affinity receptor that binds NERVE GROWTH FACTOR; BRAIN-DERIVED NEUROTROPHIC FACTOR; NEUROTROPHIN 3; and neurotrophin 4.

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