Vinitha N. Ragavan

ORCID: 0000-0003-4933-9825
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About
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Research Areas
  • Nitric Oxide and Endothelin Effects
  • Adenosine and Purinergic Signaling
  • Amino Acid Enzymes and Metabolism
  • Renin-Angiotensin System Studies
  • Cancer-related gene regulation
  • Neuroendocrine regulation and behavior
  • Tissue Engineering and Regenerative Medicine
  • Epigenetics and DNA Methylation
  • Peroxisome Proliferator-Activated Receptors
  • Neurotransmitter Receptor Influence on Behavior
  • Tryptophan and brain disorders
  • Cardiovascular Issues in Pregnancy

Technische Universität Dresden
2021-2023

University Hospital Carl Gustav Carus
2021

Flinders Medical Centre
2021

Flinders University
2021

Abstract Dimethylarginine dimethylaminohydrolase 1 (DDAH1) protects against cardiovascular disease by metabolising the risk factor asymmetric dimethylarginine (ADMA). However, question whether second DDAH isoform, DDAH2, directly metabolises ADMA has remained unanswered. Consequently, it is still unclear if DDAH2 may be a potential target for ADMA-lowering therapies or drug development efforts should focus on DDAH2’s known physiological functions in mitochondrial fission, angiogenesis,...

10.1038/s41467-023-38467-9 article EN cc-by Nature Communications 2023-06-09

Abstract The endogenous methylated derivative of ʟ-arginine, N ω , ′ -dimethyl-ʟ-arginine (asymmetric dimethylarginine, ADMA), an independent risk factor in many diseases, inhibits the activity nitric oxide synthases and, consequently, modulates availability oxide. While most studies on biological role ADMA have focused endothelial and inducible modulation its contribution to cardiovascular, metabolic, renal a regulating neuronal pathologies central nervous system is less understood. two...

10.1007/s10571-021-01101-7 article EN cc-by Cellular and Molecular Neurobiology 2021-05-20

The enzyme dimethylarginine dimethylaminohydrolase 1 (DDAH1) plays a pivotal role in the regulation of nitric oxide levels by degrading main endogenous synthase inhibitor asymmetric (ADMA). Growing evidence highlight potential implication DDAH/ADMA axis etiopathogenesis several neuropsychiatric and neurological disorders, yet underlying molecular mechanisms remain elusive. In this study, we sought to investigate DDAH1 behavioral endophenotypes with relevance. To achieve this, global...

10.1007/s00702-023-02597-7 article EN cc-by Journal of Neural Transmission 2023-02-16

We showed that overexpression of dimethylarginine dimethylaminohydrolase 1 (DDAH1) protects from angiotensin II-induced cardiovascular damage, progression hypertension, and adverse vascular remodeling in vivo. This protective effect strongly depends on the dose duration II infusion is associated with decreased levels asymmetric (ADMA), preservation endothelial function, inhibition inflammation, as well lower activity matrix metalloproteinase-2 (MMP2). Our findings are highly clinically...

10.1152/ajpheart.00064.2021 article EN AJP Heart and Circulatory Physiology 2021-09-17

Abstract The endogenous methylated derivative of L-arginine, N G -N -dimethyl-ʟ-arginine (asymmetric dimethylarginine, ADMA), an independent risk factor in many diseases, inhibits the activity nitric oxide synthases and, consequently, modulates availability oxide. While most studies on biological role ADMA have focused endothelial and inducible modulation its contribution to cardiovascular, metabolic, renal a regulating neuronal pathologies central nervous system is less understood. two...

10.21203/rs.3.rs-324741/v1 preprint EN Research Square (Research Square) 2021-03-19

Abstract The endogenous methylated derivative of L-arginine, N G -N -dimethyl-ʟ-arginine (asymmetric dimethylarginine, ADMA), an independent risk factor in many diseases, inhibits the activity nitric oxide synthases and, consequently, modulates availability oxide. While most studies on biological role ADMA have focused endothelial and inducible modulation its contribution to cardiovascular, metabolic, renal a regulating neuronal pathologies central nervous system is less understood. two...

10.21203/rs.3.rs-148653/v1 preprint EN cc-by Research Square (Research Square) 2021-01-20
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