List molecules that regulate several mitochondrial functions impaired in neurodegenerative disorder examined under preclinical as well as in clinical trials
Drugs/molecule | Disease | Type of studies | Outcomes | References |
---|---|---|---|---|
α-lipoic acid | AD | Preclinical and clinical | Neuroprotective effect, learning and memory improvement | [126] |
Inosine | ALS | Preclinical and clinical | Safety, tolerability, and effective in increasing urate serum levels | [127] |
Inosine/urate | PD | Preclinical and clinical | Safety, tolerability, and effective in increasing urate serum levels | [128, 129] |
Melatonin | ALS, PD, AD | Preclinical and clinical | Safety, better sleep, and a decrease in oxidative stress indicators; no advantages for motor activity; no ameliorations in cognitive functions | [130, 131] |
Mito-Apocynin | AD, PD | Preclinical | Motor deficit & neuroinflammation attenuation (neuroprotection) | [132–134] |
Mito Q | ALS, AD, HD, PD | Preclinical | Lengthening lifespan, mitigating cognitive decline, and increasing hindlimb strength; preventing the loss of dopaminergic neurons in a 6-OHDA PD mice model and decreasing ROS-induced autophagy while fostering mitochondrial fusion | [135, 136] |
N-acetylcysteine | AD, PD, HD | Preclinical | An improvement in cognitive and motor impairments; an increase in brain connections, GSH levels, TH and complex 1 activity; protection against neuroinflammation | [137] |
SKQ1 | AD | Preclinical | Improvements in cognition and behavior (reduction of ROS generation) | [138] |
Szeto-Schiller tetrapeptides | AD, PD, ALS | Preclinical | Improved anterograde axonal transport and synaptic activity, increased survival and improved behavior in SOD1G93A mice, as well as increased lifespan and improved motor ability | [138, 139] |
Vitamin C | AD | Preclinical | Protection of mitochondrial morphology (reduction of oxidative stress damage) and prevention of apoptosis | [140] |
Carotenoids (astaxanthin) | AD | Preclinical | Hippocampal neurons treated with A 1–42 oligomers and astaxanthin are protected from the formation of ROS; decreasing neuroinflammation and synaptotoxic events | [141] |
Vitamin E | AD | Preclinical, clinical | Vitamin E on glutamate-treated astrocytes: healing of mitochondrial damage (MMP stabilization and decreased lipid peroxidation); additional research on AD sufferers is required | [142–144] |
Vitamin E | ALS | Preclinical, clinical | Several clinical investigations have revealed contradictory results in terms of delaying the onset and course of ALS, but more research is required | [145] |
PGC-1α | PD | Preclinical | Synuclein oligomerization in a cell culture model with PGC-1 restoration; animals with the A30P synuclein gene: decreased synuclein oligomerization | [146] |
Olesoxime | PD, HD | Preclinical | Enhancing mitochondrial function and preventing apoptosis; stabilizing the mitochondrial membrane improvement in behavior and cognition | [147] |
Olesoxime | SMA | Preclinical, clinical | Efficacy in motor improvement and safety have been confirmed; it could be administered in combinatorial therapy | [148] |
Curcumin | ALS | Preclinical, clinical | Increased lifespan and slowed illness progression, although more research on various delivery techniques is required | [149] |
Flavonoids | ALS | Preclinical | Motor performances improvement [prevention of MN (motor neurons) loss] | [145] |
Quercetin | AD | Preclinical | Improvements in cognitive capabilities, antioxidant activity, MMP and mitochondrial morphological restoration, a reduction in ROS, a rise in ATP levels, and suppression of apoptosis | [149] |
Resveratrol | AD | Preclinical, clinical | Cognitive decline mitigation | [149] |
Pramipexol | PD | Preclinical | Neuroprotection (mPTP opening prevention and a decrease in ROS production) | [150] |
ALS: amyotrophic lateral sclerosis; 6-OHDA: 6-hydroxydopamine; MMP: matrix metalloproteinases; MN: motor neurons; SKQ1: Visomitin; SMA: spinal muscular atrophy; TH: thyroid hormone
MY and AK contributed conception and design of the study; N Singh, MD and NR organized the paper; N Sharma performed the reference setting and formating; MY wrote the first draft of the manuscript; JD, N Sharma, PD and NM wrote sections of the manuscript. All authors contributed to manuscript revision, read and approved the submitted version.
The authors declare that they have no conflicts of interest.
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The authors are thankful to Science and Engineering Research Board-Department of Science and Technology (SERB-DST, New Delhi, Letter number PDF/2018/002605) and GD Goenka University, Gurgaon, 122103, India [Seed Grant (R&D.12/21/01)] for the financial support to get the access to the journals which are paid and the data included in this paper are from these journals and provided funds to attend conferences and workshops to collect data for this paper.
© The Author(s) 2022.