Peptidyl prolyl cis/trans isomerases (PPIases), a ubiquitously distributed superfamily of enzymes, associated with signal transduction, trafficking, assembly, biofilm formation, stress tolerance, cell cycle regulation, gene expression and tissue regeneration, is a key regulator of metabolic disorders and microbial virulence. This review assumes an integrative approach, to provide a holistic overview of the structural and functional diversity of PPIases, examining their conformational dynamics, cellular distribution, and physiological significance. We explore their intricate involvement in cellular processes and virulence modulation in both eukaryotic and prokaryotic systems. Additionally, we evaluate the potential of these molecular chaperones as drug targets and vaccine candidates, emphasizing their relevance in therapeutic development. By synthesizing recent findings and providing a broader perspective on these proteins, this review aims to enhance our understanding of their multifaceted roles in biology and their potential applications in medicine.
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http://dx.doi.org/10.1016/j.bbagen.2024.130754 | DOI Listing |
Front Biosci (Elite Ed)
December 2024
Institute of Biochemistry and Physiology of Plants and Microorganisms - Subdivision of the Federal State Budgetary Research Institution Saratov Federal Scientific Centre of the Russian Academy of Sciences (IBPPM RAS), 410049 Saratov, Russia.
Since infections associated with microbial communities threaten human health, research is increasingly focusing on the development of biofilms and strategies to combat them. Bacterial communities may include bacteria of one or several species. Therefore, examining all the microbes and identifying individual community bacteria responsible for the infectious process is important.
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December 2024
Halberg Chronobiology Center, University of Minnesota, Minneapolis, MN 55455, USA.
This review explores the intricate relationship between glaucoma and circadian rhythm disturbances. As a principal organ for photic signal reception and transduction, the eye plays a pivotal role in coordinating the body's circadian rhythms through specialized retinal ganglion cells (RGCs), particularly intrinsically photosensitive RGCs (ipRGCs). These cells are critical in transmitting light signals to the suprachiasmatic nucleus (SCN), the central circadian clock that synchronizes physiological processes to the 24-hour light-dark cycle.
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November 2024
Department of Life Sciences, School of Life and Health Sciences, University of Nicosia, 2417 Nicosia, Cyprus.
The Warburg effect, also known as 'aerobic' glycolysis, describes the preference of cancer cells to favor glycolysis over oxidative phosphorylation for energy (adenosine triphosphate-ATP) production, despite having high amounts of oxygen and fully active mitochondria, a phenomenon first identified by Otto Warburg. This metabolic pathway is traditionally viewed as a hallmark of cancer, supporting rapid growth and proliferation by supplying energy and biosynthetic precursors. However, emerging research indicates that the Warburg effect is not just a strategy for cancer cells to proliferate at higher rates compared to normal cells; thus, it should not be considered an 'enemy' since it also plays complex roles in normal cellular functions and/or under stress conditions, prompting a reconsideration of its purely detrimental characterization.
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December 2024
Research Centre for Medical Genetics, 115522 Moscow, Russia.
Background: There is a growing interest in exploring the biological characteristics of nanoparticles and exploring their potential applications. However, there is still a lack of research into the potential genotoxicity of fullerene derivatives and their impact on gene expression in human cells. In this study, we investigated the effects of a water-soluble fullerene derivative, C60[C6H4SCH2COOK]5H (F1), on human embryonic lung fibroblasts (HELF).
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December 2024
Department of Obstetrics and Gynecology, the First Affiliated Hospital of Xi'an Jiaotong University, 710061 Xi'an, Shaanxi, China.
The prevalence of sperm DNA fragmentation (SDF) is significantly higher in males with infertility, which is often associated with oligozoospermia and hypospermia. It can also occur in patients with infertility who have normal conventional semen indicators. The etiologies involve aberrations in sperm maturation, dysregulated apoptotic processes, and heightened levels of oxidative stress.
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