Searchable abstracts of presentations at key conferences in endocrinology

ea0050p329 | Obesity and Metabolism | SFEBES2017

Vitamin B12 deficiency triggers adipocyte dysfunction by enhancing triglyceride biosynthesis and pro-inflammatory cytokine production: a new agonist in metabolic disease?

Samavat Jinous , Adaikalakoteswari Antonysunil , Boachie Joseph , Zammit Victor , Saravanan Ponnusamy

Background: Vitamin B12 (B12) is an essential micronutrient required for optimal hematopoietic, neurologic and other several metabolic reactions. Longitudinal studies and animal models showed that low maternal vitamin B12 deficiency is associated with the maternal obesity, development of insulin resistance and metabolic syndrome phenotype. Although the mechanisms underpinning metabolic disorders remain poorly defined, it has become increasingly cle...

ea0050p329 | Obesity and Metabolism | SFEBES2017

Vitamin B12 deficiency triggers adipocyte dysfunction by enhancing triglyceride biosynthesis and pro-inflammatory cytokine production: a new agonist in metabolic disease?

Samavat Jinous , Adaikalakoteswari Antonysunil , Boachie Joseph , Zammit Victor , Saravanan Ponnusamy

Background: Vitamin B12 (B12) is an essential micronutrient required for optimal hematopoietic, neurologic and other several metabolic reactions. Longitudinal studies and animal models showed that low maternal vitamin B12 deficiency is associated with the maternal obesity, development of insulin resistance and metabolic syndrome phenotype. Although the mechanisms underpinning metabolic disorders remain poorly defined, it has become increasingly cle...

ea0086p324 | Metabolism, Obesity and Diabetes | SFEBES2022

Metformin inefficiency in vitamin B12 deficient hepatocytes to lower lipids is alleviated via Adiponectin-AMPK axis

Boachie Joseph , Zammit Victor , Saravanan Ponnusamy , Adaikalakoteswari Antonysunil

Introduction: Non-alcoholic fatty-liver disease and T2DM remain a global burden. Metformin is the first-line drug for T2DM that decreases glucose and lipid levels. However, prolonged metformin treatment decreases vitamin B12(B12), whereas low B12 is associated with obesity and dyslipidaemia. Clinical studies showed that metformin treatment increases circulating adiponectin and adiponectin improves NAFLD. Others suggested that metformin has no effect on intrahepatic triglycerid...

ea0050p326 | Obesity and Metabolism | SFEBES2017

Low vitamin B12 induces de novo lipogenesis in human hepatocytes

Boachie Joseph , Adaikalakoteswari Antonysunil , Samavat Jinus , Zammit Victor , Irshad Zehra , Saravanan Ponnusamy

Background: Vitamin B12 (B12) deficiency results in disturbance of 1-carbon metabolites [methylmalonyl coenzyme A (MMA), homocysteine and S-adenosyl homocysteine (SAH), S-adenosyl methionine (SAM) and methionine] that collectively affect lipogenesis leading to risk of cardiovascular diseases. In clinical studies, B12 deficiency is associated with higher BMI and dyslipidaemia (high triglycerides and low HDL). The role of B12 in hepatic metabolism of...

ea0050p326 | Obesity and Metabolism | SFEBES2017

Low vitamin B12 induces de novo lipogenesis in human hepatocytes

Boachie Joseph , Adaikalakoteswari Antonysunil , Samavat Jinus , Zammit Victor , Irshad Zehra , Saravanan Ponnusamy

Background: Vitamin B12 (B12) deficiency results in disturbance of 1-carbon metabolites [methylmalonyl coenzyme A (MMA), homocysteine and S-adenosyl homocysteine (SAH), S-adenosyl methionine (SAM) and methionine] that collectively affect lipogenesis leading to risk of cardiovascular diseases. In clinical studies, B12 deficiency is associated with higher BMI and dyslipidaemia (high triglycerides and low HDL). The role of B12 in hepatic metabolism of...