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1.
Article in English | MEDLINE | ID: mdl-34645313

ABSTRACT

ALSUntangled reviews alternative and off label treatments with a goal of helping patients make more informed decisions about them. Here we review ketogenic diets. We shows that these have plausible mechanisms, including augmenting cellular energy balance and reducing excitotoxicity, neuroinflammation and oxidative stress. We review a mouse model study, anecdotal reports and trials in ALS and other diseases. We conclude that there is yet not enough data to recommend ketogenic diets for patients with ALS, especially in light of the many side effects these can have.


Subject(s)
Amyotrophic Lateral Sclerosis , Diet, Ketogenic , Animals , Humans , Mice , Amyotrophic Lateral Sclerosis/diet therapy , Disease Models, Animal
2.
Article in English | MEDLINE | ID: mdl-35913017

ABSTRACT

Several infections have been associated with motor neuron diseases resembling ALS, including species of viruses, bacteria, and parasites. Mycobacterium avium subspecies paratuberculosis (MAP), most known for its probable etiologic association with Crohn's disease, has been suggested as another possible infectious cause of motor neuron disease. Two published case reports describe the successful treatment of ALS-like symptoms with antimycobacterial antibiotics. Both cases had atypical features. Based on these, we believe it would be reasonable to begin performing chest imaging in PALS who have features of their history or exam that are atypical for ALS such as pain, fevers, or eye movement abnormalities. If the chest imaging is abnormal, more specific testing for mycobacteria may be indicated. Until there is more clear evidence of an association between mycobacteria and ALS, we cannot endorse the widespread use of potentially toxic antimycobacterial antibiotics for PALS.


Subject(s)
Amyotrophic Lateral Sclerosis , Crohn Disease , Motor Neuron Disease , Mycobacterium avium subsp. paratuberculosis , Animals , Humans , Anti-Bacterial Agents/therapeutic use , Amyotrophic Lateral Sclerosis/drug therapy , Amyotrophic Lateral Sclerosis/complications , Crohn Disease/etiology , Crohn Disease/microbiology , Motor Neuron Disease/complications
3.
Article in English | MEDLINE | ID: mdl-35997522

ABSTRACT

ALSUntangled reviews alternative and off-label treatments for people with amyotrophic lateral sclerosis (PALS). Here we review glucocorticoids. Neuroinflammation plays a prominent role in amyotrophic lateral sclerosis (ALS) pathogenesis, so some hypothesize that glucocorticoids might be an effective ALS therapy through their immunosuppressive effects. In this paper, we review the available evidence for glucocorticoids in ALS, including one pre-clinical study with a genetic mouse model of ALS, nine case reports (ranging from 1 to 26 patients each), and four clinical trials. We also review the possible side effects (including steroid myopathy) and the costs of therapy. We graded the level of evidence as follows: Mechanism, D; Pre-Clinical, F; Cases, B; Trials, F; Risks, C. Our review of the current evidence concludes that glucocorticoids do not offer clinical benefit in ALS and confer serious risks. Thus, ALSUntangled does not recommend glucocorticoids as a treatment for ALS.


Subject(s)
Amyotrophic Lateral Sclerosis , Humans , Mice , Animals , Amyotrophic Lateral Sclerosis/genetics , Glucocorticoids/therapeutic use , Disease Models, Animal
4.
Eur J Hum Genet ; 12(3): 241-4, 2004 Mar.
Article in English | MEDLINE | ID: mdl-14722583

ABSTRACT

Motor neuron disease (MND) results in the selective degeneration of motor neurons in the cerebral cortex, brain stem and spinal cord. The most common form of MND is amyotrophic lateral sclerosis (ALS). MND is complex and many genetic systems may be involved in the pathogenesis of this disease. Pathological and animal studies implicate neurofilament involvement in MND. The heavy subunit (NEFH) tail domain contains a repeated motif. In humans, there are two common variants: the 45 motif repeats long allele (L) and 44 motif repeats short allele (S). Previous studies have shown that the NEFH tail may be involved in the pathogenesis of MND. To investigate whether the L/S genotypes of the NEFH gene are associated with MND, we studied the frequency of L and S alleles in sporadic MND patients and a control population from Moscow. We observed a difference in SS genotype frequency between the control population and sporadic MND patients from Moscow. It was established that the SS genotype is sufficiently higher in sporadic MND patients. Moreover, we determined that patients with the SS genotype have the highest value of loss of the total clinical score. In summary, we conclude that the NEFH gene is involved in the pathogenesis of sporadic MND. The SS genotype represents a risk factor for the development and progression of sporadic MND in the Moscow population.


Subject(s)
Motor Neuron Disease/genetics , Neurofilament Proteins/genetics , Polymorphism, Genetic/genetics , Alleles , Gene Frequency , Genetic Predisposition to Disease/genetics , Genotype , Humans , Moscow , Protein Subunits/genetics
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