Results 1 to 10 of about 310,861 (306)

Methylmalonic Acid and Homocysteine as Indicators of Vitamin B-12 Deficiency in Cancer. [PDF]

PLoS ONE, 2016
Normal or high serum vitamin B-12 levels can sometimes be seen in a B-12 deficient state, and can therefore be misleading. High levels of Methymalonic Acid (MMA) and Homocysteine (HC) have been identified as better indicators of B-12 deficiency than the ...
Pankaj Vashi, Persis Edwin, Brenten Popiel, Carolyn Lammersfeld, Digant Gupta   +4 more
doaj   +2 more sources

Sub-optimal vitamin B-12 levels among ART-naïve HIV-positive individuals in an urban cohort in Uganda. [PDF]

PLoS ONE, 2012
Malnutrition is common among HIV-infected individuals and is often accompanied by low serum levels of micronutrients. Vitamin B-12 deficiency has been associated with various factors including faster HIV disease progression and CD4 depletion in resource ...
Aggrey S Semeere, Damalie Nakanjako, Henry Ddungu, Andrew Kambugu, Yukari C Manabe, Robert Colebunders   +5 more
doaj   +4 more sources

Vitamin B12 deficiency and its impact on healthcare: a population-level analysis and call for action [PDF]

Frontiers in Nutrition
IntroductionVitamin B12 deficiency is a growing health concern, affecting millions worldwide. This study aims to evaluate the pattern of vitamin B12 deficiency in a large healthcare system and assess its impact on hospitalizations and associated diseases.
Leonardo P. de Carvalho, Leonardo P. de Carvalho, Nelson Akamine, Nelson Akamine, Marcelo S. Di Pietro, Marcelo S. Di Pietro, Carolina Nunes França, Rodrigo Oliveira, Renato D. Lopes, Renato D. Lopes, Renato D. Lopes   +10 more
doaj   +2 more sources

Prevalence of vitamin B12 deficiency and its associated neuropathy in patients taking long term metformin therapy in Type 2 diabetes mellitus

Journal of Applied Pharmaceutical Research, 2023
Background: Diabetic people on metformin are more likely to develop vitamin B12 deficiency. There has been little research into the duration of therapy and dose of metformin that causes B12 deficiency and peripheral neuropathy.
Suresh Kumar, Sivaprakash Varadan, Viswanathan P, Vaishnavi Sekar, Tanisha Singh, RB Sudagar Singh   +5 more
doaj   +1 more source

VITAMIN B 12 DEFICIENCY MIMICKING THROMBOTIC MICROANGIOPATHY: A CASE REPORT

Hematology, Transfusion and Cell Therapy, 2022
Objective: Vitamin B12 has an important role in DNA synthesis, erythrocyte development and neurological functions by the transfer of one-carbon methyl groups.
Müzeyyen Aslaner Ak, Selime Yiğit, Gizem Süren, Şehmus Ertop   +3 more
doaj   +1 more source

Vitamin B₁₂ deficiency and Parkinson’s disease

Неврология, нейропсихиатрия, психосоматика, 2023
Parkinson’s disease (PD) is a progressive neurodegenerative disease with various clinical manifestations, its origin not always can be explained only by dopamine deficiency. Long-term treatment with levodopa (especially its intraduodenal administration),
Z. A. Zalyalova, E. V. Ekusheva
doaj   +1 more source

Plasma Vitamin B-12 Levels and Risk of Alzheimer’s Disease: A Case-Control Study

Gerontology and Geriatric Medicine, 2022
Introduction: Vitamin B-12 deficiency is a frequent condition in the elderly population. High homocysteine levels, which can contribute to arterial damage and blood clots in blood vessels, usually indicate a deficiency in vitamin B-12.
Lochana Shrestha MD, Bikal Shrestha MD, Keyoor Gautam MD, Sagar Khadka MBBS, Namrata Mahara Rawal MD   +4 more
doaj   +1 more source

Involvement of Spermidine in the Reduced Lifespan of Caenorhabditis elegans During Vitamin B₁₂ Deficiency

Metabolites, 2019
Vitamin B12 deficiency leads to various symptoms such as neuropathy, growth retardation, and infertility. Vitamin B12 functions as a coenzyme for two enzymes involved in amino acid metabolisms.
Tomohiro Bito, Naho Okamoto, Kenji Otsuka, Yukinori Yabuta, Jiro Arima, Tsuyoshi Kawano, Fumio Watanabe   +6 more
doaj   +1 more source

Infant Serum and Maternal Milk Vitamin B-12 Are Positively Correlated in Kenyan Infant-Mother Dyads at 1-6 Months Postpartum, Irrespective of Infant Feeding Practice. [PDF]

, 2018
BackgroundVitamin B-12 is an essential nutrient required for many functions including DNA synthesis, erythropoiesis, and brain development. If maternal milk vitamin B-12 concentrations are low, infants may face elevated risks of deficiency when ...
Achando, Beryl, Allen, Lindsay H, Chantry, Caroline J, Hampel, Daniela, Kiprotich, Marion, Lin, Audrie, Null, Clair A, Shahab-Ferdows, Setareh, Stewart, Christine P, Williams, Anne M   +9 more
core   +3 more sources

A study of clinical profile of vitamin B 12 deficiency with special reference to dermatologic manifestations in a Tertiary Care Hospital in sub-Himalayan Bengal

Indian Journal of Dermatology, 2015
Background: Vitamin B 12 deficiency is thought to be uncommon in the eastern parts of India including Bengal and the eastern states as compared to the northern and southern parts of India.
Kaushik Sen, Pradyot Sinhamahapatra, Joseph Lalhmachhuana, Subhabrata Ray   +3 more
doaj   +1 more source