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Biomolecules
Special Issues
Heart Diseases: Molecular Mechanisms and New Therapies
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Heart Diseases: Molecular Mechanisms and New Therapies

A special issue of Biomolecules (ISSN 2218-273X). This special issue belongs to the section "Molecular Medicine".

Deadline for manuscript submissions: 20 November 2024 | Viewed by 1392

Special Issue Editor

Dr. Glen Pyle

E-Mail Website
Guest Editor
1. IMPART Network, Dalhousie Medicine, 100 Tucker Park Rd., Saint John, NB E2K 5E2, Canada
2. Women’s Health Research Institute, BC Women’s Hospital + Health Centre, H214 – 4500 Oak Street, Box 42B, Vancouver, BC V6H 3N1, Canada
3. Department of Biomedical Sciences, Ontario Veterinary College, University of Guelph, Guelph, ON, Canada
Interests: molecular basis of heart failure; molecular therapeutics; sex differences in cardiovascular health and disease; menopause
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

We are pleased to invite you to submit original research articles and reviews on the molecular mechanisms and novel therapies for heart diseases. Cardiovascular disease is a leading cause of death globally and its incidence is growing. Understanding the molecular changes that occur in the heart during the development of disease is critical to creating and applying novel therapies to treat heart diseases.

This Special Issue aims to highlight and promote our understanding of heart disease, including its molecular basis and emerging therapies to treat these conditions. Papers focused on a range of cardiac conditions, from genetic cardiomyopathies to ischemia-reperfusion injury, and stressors that impact heart function, from diabetes and hypertension to pregnancy and menopause, are welcomed. Furthermore, we invite studies that are fundamental in nature and use animal models of disease, alongside research involving patients and their care. The focus of studies and reviews should be identifying the molecular mechanisms of conditions that impact the heart and/or testing novel therapeutic strategies that mitigate dysfunction and injury.

I/We look forward to receiving your contributions.

Dr. Glen Pyle
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Biomolecules is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2700 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • heart failure
  • heart disease
  • myocardial
  • molecular mechanisms
  • therapies

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Published Papers (1 paper)

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Research

15 pages, 1446 KiB  
Article
Perimenopause Decreases SERCA2a Activity in the Hearts of a Mouse Model of Ovarian Failure
by Ciara Barry, Sarah Rouhana, Jessica L. Braun, Mia S. Geromella, Val A. Fajardo and W. Glen Pyle
Biomolecules 2024, 14(6), 675; https://doi.org/10.3390/biom14060675 - 9 Jun 2024
Viewed by 1180
Abstract
Risk of cardiovascular disease mortality rises in women after menopause. While increased cardiovascular risk is largely attributed to postmenopausal declines in estrogens, the molecular changes in the heart that contribute to risk are poorly understood. Disruptions in intracellular calcium handling develop in ovariectomized [...] Read more.
Risk of cardiovascular disease mortality rises in women after menopause. While increased cardiovascular risk is largely attributed to postmenopausal declines in estrogens, the molecular changes in the heart that contribute to risk are poorly understood. Disruptions in intracellular calcium handling develop in ovariectomized mice and have been implicated in cardiac dysfunction. Using a mouse model of menopause in which ovarian failure occurs over 120 days, we sought to determine if perimenopause impacted calcium removal mechanisms in the heart and identify the molecular mechanisms. Mice were injected with 4-vinylcyclohexene diepoxide (VCD) to induce ovarian failure over 120 days, mimicking perimenopause. Hearts were removed at 60 and 120 days after VCD injections, representing the middle and end of perimenopause. SERCA2a function was significantly diminished at the end of perimenopause. Neither SERCA2a nor phospholamban expression changed at either time point, but phospholamban phosphorylation at S16 and T17 was dynamically altered. Intrinsic SERCA inhibitors sarcolipin and myoregulin increased >4-fold at day 60, as did the native activator DWORF. At the end of perimenopause, sarcolipin and myoregulin returned to baseline levels while DWORF was significantly reduced below controls. Sodium–calcium exchanger expression was significantly increased at the end of perimenopause. These results show that the foundation for increased cardiovascular disease mortality develops in the heart during perimenopause and that regulators of calcium handling exhibit significant fluctuations over time. Understanding the temporal development of cardiovascular risk associated with menopause and the underlying mechanisms is critical to developing interventions that mitigate the rise in cardiovascular mortality that arises after menopause. Full article
(This article belongs to the Special Issue Heart Diseases: Molecular Mechanisms and New Therapies)
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