Results 41 to 50 of about 2,693,074 (200)

Serum methylmalonic acid levels and epilepsy prevalence: Association analysis, exploratory mediation, and clinical corroboration

open access: yesEpileptic Disorders, EarlyView.
Abstract Objective This study aimed to investigate the association between methylmalonic acid (MMA) and epilepsy prevalence and to explore potential inflammatory and nutritional pathways underlying this association. Methods This study included adults aged ≥ 20 years from the National Health and Nutrition Examination Survey (NHANES) 2011–2014.
Ningyu Wei   +5 more
wiley   +1 more source

Cobalamin and folate status in 6 to 35 months old children presenting with acute diarrhea in Bhaktapur, Nepal.

open access: yesPLoS ONE, 2014
BackgroundCobalamin and folate are essential micronutrients and are important in DNA and RNA synthesis, cell proliferation, growth, hematopoiesis, and cognitive function.
Manjeswori Ulak   +6 more
doaj   +1 more source

Image_1_Methylmalonic acid levels in serum, exosomes, and urine and its association with cblC type methylmalonic acidemia-induced cognitive impairment.JPEG

open access: yes, 2022
BackgroundThe cblC type methylmalonic acidemia is the most common methylmalonic acidemia (MMA) in China. The biochemical characteristics of this disease include elevated methylmalonic acid and homocysteine (HCY), increased propionylcarnitine (C3 ...
Shuqi Sun (2830394)   +4 more
core   +1 more source

Inherited metabolic epilepsies–established diseases, new approaches

open access: yesEpilepsia Open, EarlyView.
Abstract Inherited metabolic epilepsies (IMEs) represent the inherited metabolic disorders (IMDs) in which epilepsy is a prevailing component, often determining other neurodevelopmental outcomes associated with the disorder. The different metabolic pathways affected by individual IMEs are the basis of their rarity and heterogeneity.
Itay Tokatly Latzer, Phillip L. Pearl
wiley   +1 more source

Vitamin B12 deficiency in an infant secondary to nutritional deficiency and an inadequate maternal diet

open access: yesJPGN Reports, EarlyView.
ABSTRACT Vitamin B12 (cobalamin, Cbl) is an essential micronutrient for DNA synthesis and neurological development. Its deficiency in infants, although infrequent in developed countries, can cause megaloblastic anemia, psychomotor delay, and neurological damage that may become irreversible if not treated early.
Sandra Sala‐Lluch   +5 more
wiley   +1 more source

Combined Malonic and Methylmalonic Aciduria Due to ACSF3 Variants Results in Benign Clinical Course in Three Chinese Patients

open access: yesFrontiers in Pediatrics, 2021
Introduction: Combined malonic and methylmalonic aciduria (CMAMMA) is a rare metabolic disease caused by biallelic variants in ACSF3 gene. The clinical phenotype is highly heterogeneous in this disorder, ranging from asymptomatic to severe symptoms.
Ping Wang   +13 more
doaj   +1 more source

Concentrations of plasma methylmalonic acid in 80-year-olds show only weak relation to psychological performance

open access: yes, 1999
Most studies of the relation between psychological performance in the elderly and deficiencies of cobalamin and folate have used methods that determine the blood concentrations of these vitamins, which might not reflect the vitamin status in the tissues.
Dehlin, Ove   +6 more
core   +2 more sources

Prevalence and Associations of Abnormal Levels of Vitamin B6 in People with Parkinson's Disease

open access: yesMovement Disorders Clinical Practice, EarlyView.
Abstract Background In people with Parkinson's disease, abnormal levels of vitamin B6 may be associated with polyneuropathy and epileptic seizures, including medication‐refractory status epilepticus. Objectives To estimate the prevalence and explore associations of abnormal levels of vitamin B6 in people with Parkinson's disease.
Karlo J. Lizarraga   +7 more
wiley   +1 more source

Influence of Vitamin B12 Deficiency on Auditory and Vestibular Functioning: An Objective Test‐Based Systematic Review

open access: yesOtolaryngology–Head and Neck Surgery, EarlyView.
Abstract Objective To evaluate the effectiveness of objective audiological and vestibular assessments in detecting functional changes associated with vitamin B12 deficiency. Data Sources A comprehensive literature search was conducted in PubMed, Scopus, Web of Science, and EMBASE databases.
Nesmah Zainab   +2 more
wiley   +1 more source

Proteinuria as a presenting sign of combined methylmalonic acidemia and homocysteinemia: case report

open access: yesBMC Medical Genetics, 2020
Background Disorders of the metabolism and absorption of vitamin B12 can lead to decrease in activity of methionine synthetase and methylmalonate coenzyme A mutase (MMUT), which results in increased levels of methylmalonic acid and homocysteine in blood ...
Ru-Yue Chen   +9 more
doaj   +1 more source

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