Results 121 to 130 of about 90,248 (215)

Metformin Use Is Associated With Better Cognitive Performance in Older Adults With Type 2 Diabetes: Exploratory Analysis of Vitamin B12 and Methylmalonic Acid Pathways in NHANES 2011–2014

open access: yesDiabetes, Obesity and Metabolism, Volume 28, Issue 12, Page 11808-11820, December 2026.
ABSTRACT Aims Metformin, the first‐line treatment for Type 2 diabetes mellitus (T2DM), may be neuroprotective but also lowers serum vitamin B12 by ~19%, raising concern that B12 depletion could offset this benefit. We used modern exploratory causal mediation methods in a nationally representative sample to test whether vitamin B12 and methylmalonic ...
Danial Fotros   +2 more
wiley   +1 more source

CORRELATION BETWEEN TOTAL PLASMA HOMOCYSTEINE LEVEL AND GRADING OF CORONARY ARTERY DISEASE

open access: yesActa Medica Iranica, 2008
Elevated total plasma homocysteine (tHcy) levels constitute a risk factor for coronary artery disease (CAD). A possible relationship was investigated between admission plasma homocysteine level and the angiographic severity and extension of coronary ...
S. J. Mirhoseini   +6 more
doaj  

Convulsive properties of D,L homocysteine and D,L homocysteine thiolactone in adult rats

open access: yes, 2011
Introduction: Hyperhomocysteinemia is related to epileptogenesis and suboptimal control of seizures in the patients with epilepsy. Available data suggest that homocysteine can be harmful to human cells because of its metabolic conversion to homocysteine
Hrncic, D   +3 more
core   +1 more source

Automated Multienzyme Digestion Workflows for Confident Characterization of Challenging Posttranslational Modifications in Therapeutic Antibodies by LC–MS/MS

open access: yesRapid Communications in Mass Spectrometry, Volume 40, Issue 21, 15 November 2026.
ABSTRACT Rationale Non‐reduced trypsin digestion of therapeutic antibodies can generate large disulfide‐linked peptide complexes that exhibit poor chromatographic and mass spectrometric performance. This limits the confident characterization of posttranslational modifications (PTMs) in specific antibody regions, such as the heavy‐chain constant region ...
Nanna Sofie Eskesen   +10 more
wiley   +1 more source

Homocysteine and endothelial dysfunction

open access: yes, 2007
This chapter contains sections titled: Introduction Terminology, biochemistry, distribution, and metabolism of homocysteine Normal and pathological levels of homocysteine: classification and incidence of hyperhomocysteinemia ...
Rosalinda Madonna, Raffaele De Caterina
core  

The Boron–Neuron Connection: The Potential of Boron‐Containing Molecules for Treating Incurable Amyotrophic Lateral Sclerosis

open access: yesChemMedChem, Volume 21, Issue 21, 12 November 2026.
Can a single element help address the multifactorial nature of ALS? Boron‐containing compounds combine responsiveness to reactive oxygen species (ROS), neuroprotective activity, and favorable pharmacological properties, offering a distinctive framework for disease modification in a complex disease like ALS.
Nitesh Sanghai   +5 more
wiley   +1 more source

Is Homocysteine a pro-oxidant ?

open access: yes, 2001
High plasma homocysteine concentrations have been found to be associated with atherosclerosis and thrombosis of arteries and deep veins. The oxidative damage mediated by hydrogen peroxide production during the metal-catalyzed oxidation of homocysteine is
Giardina, Bruno   +5 more
core   +1 more source

Assessing the Sensitivity and the Clinical Impact of the 2023 American College of Rheumatology/EULAR Classification Criteria in Obstetric Antiphospholid Syndrome: Findings From a Multicenter Italian Cohort With a Long‐Term Follow‐Up

open access: yesArthritis Care &Research, Volume 78, Issue 11, Page 1691-1700, November 2026.
Objective The aim of this study was to evaluate the sensitivity of the 2023 American College of Rheumatology (ACR)/EULAR classification criteria for antiphospholipid syndrome (APS) in a real‐world cohort of women diagnosed with primary obstetric APS (oAPS) and to assess their ability to identify patients at risk of future pregnancy complications ...
Francesca Ruffilli   +10 more
wiley   +1 more source

Measurement of total plasma Homocysteine with reverse phase high performance liquid chromatography (RP-HPLC) method without internal standard

open access: yesMajallah-i Dānishgāh-i ̒Ulūm-i Pizishkī-i Bābul, 2005
Background and Objective: Homocysteine is an amino acid with a free thiol (Sulphydryl) group and is an intermediate formed during the metabolism of methionine to cysteine.
F Darabi   +4 more
doaj  

Vitamin B12, folate, and homocysteine levels in patients with obsessive–compulsive disorder

open access: yes, 2014
Nuray Türksoy,1 Rabia Bilici,2 Altan Yalçiner,3 Y Özay Özdemir,2 Ibrahim Örnek,4 Ali Evren Tufan,5 Ayşe Kara6 1Simurg Psychiatry and Psychotherapy Center, Istanbul, 2Erenköy State Hospital for Psychiatric and Neurological
Bilici R   +6 more
core  

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