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Biomolecules, Volume 10, Issue 4

April 2020 - 169 articles

Cover Story: Carbonic Anhydrase II (CAII) is a ubiquitously expressed zinc-metalloenzyme highly expressed in red blood cells. This enzyme catalyzes the reversible hydration/dehydration of CO2/ HCO3-, while also having an innate carboxylesterase activity. Aspirin (acetyl-salicylic acid), one of the most commonly used drugs globally, has been shown to have a short half-life in the blood of ~15 minutes. Here, we report that CAII, and specifically its carboxylesterase activity, is responsible for aspirin’s short half-life. Furthermore, the esterase product, salicylic acid, acts as an inhibitor of CAII once formed, blocking the active site. Thus, CAII not only degrades aspirin but, in turn, aspirin also acts as a suicide inhibitor of CAII within red blood cells. View this paper.
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Articles (169)

  • Article
  • Open Access
12 Citations
7,719 Views
17 Pages

Structure of the ALS Mutation Target Annexin A11 Reveals a Stabilising N-Terminal Segment

  • Peder A. G. Lillebostad,
  • Arne Raasakka,
  • Silje J. Hjellbrekke,
  • Sudarshan Patil,
  • Trude Røstbø,
  • Hanne Hollås,
  • Siri A. Sakya,
  • Peter D. Szigetvari,
  • Anni Vedeler and
  • Petri Kursula

24 April 2020

The functions of the annexin family of proteins involve binding to Ca2+, lipid membranes, other proteins, and RNA, and the annexins share a common folded core structure at the C terminus. Annexin A11 (AnxA11) has a long N-terminal region, which is pr...

  • Review
  • Open Access
89 Citations
10,531 Views
31 Pages

Selenium and Selenoproteins in Adipose Tissue Physiology and Obesity

  • Alexey A. Tinkov,
  • Olga P. Ajsuvakova,
  • Tommaso Filippini,
  • Ji-Chang Zhou,
  • Xin Gen Lei,
  • Eugenia R. Gatiatulina,
  • Bernhard Michalke,
  • Margarita G. Skalnaya,
  • Marco Vinceti and
  • Michael Aschner
  • + 1 author

24 April 2020

Selenium (Se) homeostasis is tightly related to carbohydrate and lipid metabolism, but its possible roles in obesity development and in adipocyte metabolism are unclear. The objective of the present study is to review the current data on Se status in...

  • Article
  • Open Access
12 Citations
4,323 Views
25 Pages

24 April 2020

Designing side chain substituents complementary to enzyme binding pockets is of great importance in the construction of potent and selective phosphinic dipeptide inhibitors of metallo-aminopeptidases. Proper structure selection makes inhibitor constr...

  • Article
  • Open Access
73 Citations
17,642 Views
21 Pages

Discovering the RNA-Binding Proteome of Plant Leaves with an Improved RNA Interactome Capture Method

  • Marcel Bach-Pages,
  • Felix Homma,
  • Jiorgos Kourelis,
  • Farnusch Kaschani,
  • Shabaz Mohammed,
  • Markus Kaiser,
  • Renier A. L. van der Hoorn,
  • Alfredo Castello and
  • Gail M. Preston

24 April 2020

RNA-binding proteins (RBPs) play a crucial role in regulating RNA function and fate. However, the full complement of RBPs has only recently begun to be uncovered through proteome-wide approaches such as RNA interactome capture (RIC). RIC has been app...

  • Article
  • Open Access
32 Citations
4,915 Views
14 Pages

Antikinetoplastid Activity of Indolocarbazoles from Streptomyces sanyensis

  • Luis Cartuche,
  • Ines Sifaoui,
  • Atteneri López-Arencibia,
  • Carlos J. Bethencourt-Estrella,
  • Desirée San Nicolás-Hernández,
  • Jacob Lorenzo-Morales,
  • José E. Piñero,
  • Ana R. Díaz-Marrero and
  • José J. Fernández

24 April 2020

Chagas disease and leishmaniasis are neglected tropical diseases caused by kinetoplastid parasites of Trypanosoma and Leishmania genera that affect poor and remote populations in developing countries. These parasites share similar complex life cycles...

  • Article
  • Open Access
3 Citations
3,606 Views
10 Pages

Macrophage Cholesterol Efflux Downregulation Is Not Associated with Abdominal Aortic Aneurysm (AAA) Progression

  • Marina Canyelles,
  • Mireia Tondo,
  • Jes S. Lindholt,
  • David Santos,
  • Irati Fernández-Alonso,
  • David de Gonzalo-Calvo,
  • Luis Miguel Blanco-Colio,
  • Joan Carles Escolà-Gil,
  • José Luís Martín-Ventura and
  • Francisco Blanco-Vaca

24 April 2020

Recent studies have raised the possibility of a role for lipoproteins, including high-density lipoprotein cholesterol (HDLc), in abdominal aortic aneurysm (AAA). The study was conducted in plasmas from 39 large size AAA patients (aortic diameter >...

  • Article
  • Open Access
20 Citations
7,016 Views
17 Pages

24 April 2020

A plant auxin hormone indole-3-acetic acid (IAA) can be assimilated by bacteria as an energy and carbon source, although no degradation has been reported for indole-3-propionic acid and indole-3-butyric acid. While significant efforts have been made...

  • Article
  • Open Access
18 Citations
6,096 Views
19 Pages

Evolution of Angiotensin Peptides and Peptidomimetics as Angiotensin II Receptor Type 2 (AT2) Receptor Agonists

  • Silvana Vasile,
  • Anders Hallberg,
  • Jessica Sallander,
  • Mathias Hallberg,
  • Johan Åqvist and
  • Hugo Gutiérrez-de-Terán

23 April 2020

Angiotensin II receptor type 1 and 2 (AT1R and AT2R) are two G-protein coupled receptors that mediate most biological functions of the octapeptide Angiotensin II (Ang II). AT2R is upregulated upon tissue damage and its activation by selective AT2R ag...

  • Article
  • Open Access
8 Citations
3,795 Views
10 Pages

Connexin 43 Deficiency Is Associated with Reduced Myocardial Scar Size and Attenuated TGFβ1 Signaling after Transient Coronary Occlusion in Conditional Knock-Out Mice

  • Laura Valls-Lacalle,
  • Marta Consegal,
  • Marisol Ruiz-Meana,
  • Begoña Benito,
  • Javier Inserte,
  • Ignasi Barba,
  • Ignacio Ferreira-González and
  • Antonio Rodríguez-Sinovas

23 April 2020

Previous studies demonstrated a reduction in myocardial scar size in heterozygous Cx43+/- mice subjected to permanent coronary occlusion. However, patients presenting with ST segment elevation myocardial infarction often undergo rapid coronary revasc...

  • Review
  • Open Access
33 Citations
5,865 Views
22 Pages

23 April 2020

Proteolytic enzymes play a crucial role in metabolic processes, providing the cell with amino acids through the hydrolysis of multiple endogenous and exogenous proteins. In addition to this function, proteases are involved in numerous protein cascade...

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Biomolecules - ISSN 2218-273X