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Bipradas Roy

Postdoctoral Associate
Medicine, Cardiology

Selected Publications


Targeted Overexpression of Mitochondrial ALDH2 in Coronary Endothelial Cells Mitigates HFpEF in a Diabetic Mouse Model.

Journal Article Biomolecules · July 2025 Heart failure (HF) has become an epidemic, with a prevalence of ~7 million cases in the USA. Despite accounting for nearly 50% of all HF cases, heart failure with a preserved ejection fraction (HFpEF) remains challenging to treat. Common pathophysiological ... Full text Cite

Inflammation-induced endothelial cell activation and angiogenic sprouting are downmodulated by ubiquitin-specific peptidase 20.

Journal Article bioRxiv · May 24, 2025 Nuclear factor-κB (NFκB) mediates inflammation-driven angiogenesis, which promotes growth of atherosclerotic plaques and tumors. The deubiquitinase ubiquitin-specific peptidase 20 (USP20) suppresses NFκB activation in vascular smooth muscle cells (SMCs) an ... Full text Link to item Cite

USP20 deletion promotes eccentric cardiac remodeling in response to pressure overload and increases mortality.

Journal Article Am J Physiol Heart Circ Physiol · November 1, 2024 Left ventricular hypertrophy (LVH) caused by chronic pressure overload with subsequent pathological remodeling is a major cardiovascular risk factor for heart failure and mortality. The role of deubiquitinases in LVH has not been well characterized. To def ... Full text Link to item Cite

Decoding Tumor Angiogenesis for Therapeutic Advancements: Mechanistic Insights.

Journal Article Biomedicines · April 2024 Tumor angiogenesis, the formation of new blood vessels within the tumor microenvironment, is considered a hallmark of cancer progression and represents a crucial target for therapeutic intervention. The tumor microenvironment is characterized by a complex ... Full text Cite

Aldehyde Dehydrogenase 2 Activator Augments the Beneficial Effects of Empagliflozin in Mice with Diabetes-Associated HFpEF.

Journal Article International journal of molecular sciences · September 2022 To ameliorate diabetes mellitus-associated heart failure with preserved ejection fraction (HFpEF), we plan to lower diabetes-mediated oxidative stress-induced 4-hydroxy-2-nonenal (4HNE) accumulation by pharmacological agents that either decrease 4HNE gener ... Full text Cite

Aldehyde dehydrogenase 2 augments adiponectin signaling in coronary angiogenesis in HFpEF associated with diabetes.

Journal Article FASEB journal : official publication of the Federation of American Societies for Experimental Biology · August 2022 4-hydroxy-2-nonenal (4HNE), an oxidative stress byproduct, is elevated in diabetes which decreases coronary angiogenesis, and this was rescued by the 4HNE detoxifying enzyme, aldehyde dehydrogenase 2 (ALDH2). Adiponectin (APN), an adipocytokine, has pro-an ... Full text Cite

Exposure to the Dioxin-like Pollutant PCB 126 Afflicts Coronary Endothelial Cells via Increasing 4-Hydroxy-2 Nonenal: A Role for Aldehyde Dehydrogenase 2.

Journal Article Toxics · June 2022 Exposure to environmental pollutants, including dioxin-like polychlorinated biphenyls (PCBs), play an important role in vascular inflammation and cardiometabolic diseases (CMDs) by inducing oxidative stress. Earlier, we demonstrated that oxidative stress-m ... Full text Cite

Abstract P429: Aldehyde Dehydrogenase 2 Regulates Angiogenesis Of Coronary Microvascular Endothelial Cells Via A Novel Signaling Pathway

Journal Article Circulation Research · September 3, 2021 Coronary microvascular endothelial cell (CMECs) damage is implicated in diabetes-mediated heart failure with preserved ejection fraction (HFpEF). 4-hydroxy-2-nonenal (4HNE), a reactive aldehyde that is increased in diabetic heart, decreases angioge ... Full text Cite

Abstract P503: Aldehyde Dehydrogenase 2 Activator 1 Potentiates The Effects Of Empagliflozin, A Sodium-glucose Cotransporter 2 Inhibitor, In Diabetes-mediated Heart Failure With Preserved Ejection Fraction

Journal Article Circulation Research · September 3, 2021 4-hydroxy-2-nonenal (4HNE), a cellular reactive aldehyde which is significantly increased in diabetic hearts due to decrease in the activity of its metabolizing enzyme, aldehyde dehydrogenase (ALDH)2, contributes to diabetes mellitus ( ... Full text Cite

Diabetic Aldehyde Dehydrogenase 2 Mutant (ALDH2*2) Mice Are More Susceptible to Cardiac Ischemic-Reperfusion Injury Due to 4-Hydroxy-2-Nonenal Induced Coronary Endothelial Cell Damage.

Journal Article Journal of the American Heart Association · September 2021 Background Aldehyde dehydrogenase-2 (ALDH2), a mitochondrial enzyme, detoxifies reactive aldehydes such as 4-hydroxy-2-nonenal (4HNE). A highly prevalent E487K mutation in ALDH2 (ALDH2*2) in East Asian people with intrinsic low ALDH2 activity is implicated ... Full text Cite

A role for aldehyde dehydrogenase (ALDH) 2 in angiotensin II-mediated decrease in angiogenesis of coronary endothelial cells.

Journal Article Microvascular research · May 2021 Diabetes-induced coronary endothelial cell (CEC) dysfunction contributes to diabetic heart diseases. Angiotensin II (Ang II), a vasoactive hormone, is upregulated in diabetes, and is reported to increase oxidative stress in CECs. 4-hydroxy-2-nonenal (4HNE) ... Full text Cite

4-Hydroxy-2-nonenal, a lipid peroxidation product, as a biomarker in diabetes and its complications: challenges and opportunities.

Journal Article Free radical research · May 2021 Over 30 million Americans are diagnosed with diabetes and this number is only expected to increase. There are various causes that induce complications with diabetes, including oxidative stress. In oxidative stress, lipid peroxidation-derived reactive carbo ... Full text Cite

Tissue-specific role and associated downstream signaling pathways of adiponectin.

Journal Article Cell & bioscience · April 2021 According to the World Health Organization, metabolic syndrome (MetS) can be defined as a pathological condition characterized by abdominal obesity, insulin resistance, hypertension, and hyperlipidemia. The incidence of MetS keeps rising, as at least 35% o ... Full text Cite

4-hydroxy-2-nonenal decreases coronary endothelial cell migration: Potentiation by aldehyde dehydrogenase 2 inhibition.

Journal Article Vascular pharmacology · August 2020 4-hydroxynonenal (4HNE) is a reactive aldehyde, which is involved in oxidative stress associated pathogenesis. The cellular toxicity of 4HNE is mitigated by aldehyde dehydrogenase (ALDH) 2. Thus, we hypothesize that ALDH2 inhibition exacerbates 4HNE-induce ... Full text Cite

Abstract 387: Role of Aldehyde Dehydrogenase (aldh) 2 in Angiotensin II-induced Decrease in Angiogenesis of Coronary Endothelial Cells

Journal Article Circulation Research · July 31, 2020 Diabetes-induced coronary endothelial cell (CEC) dysfunction following defective angiogenesis is reported in cardiovascular diseases (CVD). Angiotensin II (Ang II), a vasoactive molecule, is upregulated in diabetes. However, the underl ... Full text Cite

Aldehyde dehydrogenase 2 inhibition potentiates 4-hydroxy-2-nonenal induced decrease in angiogenesis of coronary endothelial cells.

Journal Article Cell biochemistry and function · April 2020 Coronary endothelial cell (EC) dysfunction including defective angiogenesis is reported in cardiac diseases. 4-Hydroxynonenal (4HNE) is a lipid peroxidation product, which is increased in cardiac diseases and implicated in cellular toxicity. Aldehyde dehyd ... Full text Cite

Critical role of SIK3 in mediating high salt and IL-17 synergy leading to breast cancer cell proliferation.

Journal Article PloS one · January 2017 Chronic inflammation is a well-known precursor for cancer development and proliferation. We have recently demonstrated that high salt (NaCl) synergizes with sub-effective interleukin (IL)-17 to induce breast cancer cell proliferation. However, the exact mo ... Full text Cite

Molecular Mechanisms of Obesity-Induced Osteoporosis and Muscle Atrophy.

Journal Article Frontiers in physiology · January 2016 Obesity and osteoporosis are two alarming health disorders prominent among middle and old age populations, and the numbers of those affected by these two disorders are increasing. It is estimated that more than 600 million adults are obese and over 200 mil ... Full text Cite

Biomolecular basis of the role of diabetes mellitus in osteoporosis and bone fractures.

Journal Article World journal of diabetes · August 2013 Osteoporosis has become a serious health problem throughout the world which is associated with an increased risk of bone fractures and mortality among the people of middle to old ages. Diabetes is also a major health problem among the people of all age ran ... Full text Cite