Search Results - "QUINTAS, Luis Eduardo M"
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Conformational states of the pig kidney Na+/K+-ATPase differently affect bufadienolides and cardenolides: A directed structure-activity and structure-kinetics study
Published in Biochemical pharmacology (01-01-2020)“…[Display omitted] There is a renewed interest in the Na+/K+-ATPase (NKA, EC 3.6.3.9) either as a target for new therapeutic uses or for understanding the…”
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Implications of Synthetic Modifications of the Cardiotonic Steroid Lactone Ring on Cytotoxicity
Published in The Journal of membrane biology (01-12-2021)“…Na,K-ATPase (NKA) and cardiotonic steroids (CTS) have shown potent cytotoxic and anticancer effects. Here, we have synthesized a series of CTS digoxin…”
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3
Telocinobufagin and Marinobufagin Produce Different Effects in LLC-PK1 Cells: A Case of Functional Selectivity of Bufadienolides
Published in International journal of molecular sciences (14-09-2018)“…Bufadienolides are cardiotonic steroids (CTS) identified in mammals. Besides Na⁺/K⁺-ATPase inhibition, they activate signal transduction via protein⁻protein…”
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Bufadienolides from parotoid gland secretions of Cuban toad Peltophryne fustiger (Bufonidae): Inhibition of human kidney Na+/K+-ATPase activity
Published in Toxicon (Oxford) (01-02-2016)“…Parotoid gland secretions of toad species are a vast reservoir of bioactive molecules with a wide range of biological properties. Herein, for the first time,…”
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5
Regulation of caveolin-1 membrane trafficking by the Na/K-ATPase
Published in The Journal of cell biology (22-09-2008)“…Here, we show that the Na/K-ATPase interacts with caveolin-1 (Cav1) and regulates Cav1 trafficking. Graded knockdown of Na/K-ATPase decreases the plasma…”
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Effect of ouabain on calcium signaling in rodent brain: A systematic review of in vitro studies
Published in Frontiers in pharmacology (29-08-2022)“…The Na + /K + -ATPase is an integral membrane ion pump, essential to maintaining osmotic balance in cells in the presence of cardiotonic steroids; more…”
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A Novel Apilic Antivenom to Treat Massive, Africanized Honeybee Attacks: A Preclinical Study from the Lethality to Some Biochemical and Pharmacological Activities Neutralization
Published in Toxins (05-01-2021)“…Massive, Africanized honeybee attacks have increased in Brazil over the years. Humans and animals present local and systemic effects after envenomation, and…”
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Revisiting the binding kinetics and inhibitory potency of cardiac glycosides on Na+,K+-ATPase (α1β1): Methodological considerations
Published in Journal of pharmacological and toxicological methods (01-11-2018)“…Ouabain and digoxin are classical inhibitors of the Na+,K+-ATPase. In addition to their conventional uses as therapeutic agents or experimental tools there is…”
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Antagonistic anticancer effect of paclitaxel and digoxin combination
Published in Journal of cellular biochemistry (01-08-2019)“…Despite the growing interest in the antitumor effect of cardiotonic steroids, combination treatments with well‐established chemotherapy drugs like paclitaxel…”
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Heparin prevents the cytotoxic activity of Bothrops jararacussu and Apis mellifera venoms in renal cells
Published in Toxicon (Oxford) (01-02-2023)“…Envenomation by Bothrops snakes and Apis mellifera bee may imply systemic disorders which affect well-perfused organs such as kidneys, a process that can lead…”
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Isoproterenol induces an increase in muscle fiber size by the proliferation of Pax7‐positive cells and in a mTOR‐independent mechanism
Published in Cell biology international (01-12-2019)“…β‐Adrenergic signaling regulates many physiological processes in skeletal muscles. A wealth of evidence has shown that β‐agonists can increase skeletal muscle…”
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Effects of cardiotonic steroids on isolated perfused kidney and NHE3 activity in renal proximal tubules
Published in Biochimica et biophysica acta. General subjects (01-08-2017)“…Cardiotonic steroids (CS) are known as modulators of sodium and water homeostasis. These compounds contribute to the excretion of sodium under overload…”
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Inhibitory effect of combinations of digoxin and endogenous cardiotonic steroids on Na+/K+-ATPase activity in human kidney membrane preparation
Published in Life sciences (1973) (03-01-2011)“…Cardiac glycosides have been extensively used in the treatment of congestive heart failure for more than 200years. Recently, cardenolides and bufadienolides…”
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γ-Benzylidene digoxin derivatives synthesis and molecular modeling: Evaluation of anticancer and the Na,K-ATPase activity effect
Published in Bioorganic & medicinal chemistry (01-08-2015)“…[Display omitted] Cardiotonic steroids (CS), natural compounds with traditional use in cardiology, have been recently suggested to exert potent anticancer…”
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Different effects of myotoxins bothropstoxin-I and II from Bothrops snake venom on cation transport ATPases from murine fast twitch skeletal muscle
Published in Toxicon (Oxford) (01-09-2015)“…Bothrops jararacussu venom drastically decreases sarcoplasmic Ca2+-ATPase (SERCA) protein expression in vivo and inhibits its activity in vitro, in contrast to…”
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Na +/K +-ATPase α isoforms expression in stroke-prone spontaneously hypertensive rat heart ventricles: Effect of salt loading and lacidipine treatment
Published in European journal of pharmacology (22-06-2007)“…Changes in myocardial expression of Na +/K +-ATPase α-subunit isoforms have been demonstrated in different models of cardiac hypertrophy and hypertension. Here…”
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Mechanisms of adaptive supersensitivity in vas deferens
Published in Autonomic neuroscience (12-03-2009)“…Abstract Adaptive supersensitivity is a phenomenon characteristic of excitable tissues and discloses as a compensatory adjustment of tissue's response to…”
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Effect of heparin treatment on the expression and activity of different ion-motive P-type ATPase isoforms from mouse extensor digitorum longus muscle during degeneration and regeneration after Bothrops jararacussu venom injection
Published in Toxicon (Oxford) (2010)“…Ca 2+ ions are essential to myonecrosis, a serious complication of snake envenomation, and heparin seems to counteract this effect. We investigated the effect…”
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Influence of development on Na +/K +-ATPase expression: isoform- and tissue-dependency
Published in Comparative biochemistry and physiology. Part A, Molecular & integrative physiology (01-02-2002)“…The four isoforms of the catalytic subunit of Na +/K +-ATPase identified in rats differ in their affinities for ions and ouabain. Moreover, its expression is…”
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Adaptive expression pattern of different proteins involved in cellular calcium homeostasis in denervated rat vas deferens
Published in European journal of pharmacology (21-11-2005)“…The activity and protein expression of plasma membrane and sarco(endo)plasmic reticulum (Ca 2+–Mg 2+)ATPases and ryanodine receptors were investigated in…”
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