Category Ranking
98%
Total Visits
921
Avg Visit Duration
2 minutes
Citations
20
Article Abstract
Proline:arginine (PR) poly-dipeptides from the GGGGCC repeat expansion in have cytotoxicity and bind intermediate filaments (IFs). However, it remains unknown how PR poly-dipeptides affect cytoskeletal organization and focal adhesion (FA) formation. Here, we show that changes to the cytoskeleton and FA by PR poly-dipeptides result in the alteration of cell stiffness and mechanical stress response. PR poly-dipeptides increased the junctions and branches of the IF network and increased cell stiffness. They also changed the distribution of actin filaments and increased the size of FA and intracellular calcium concentration. PR poly-dipeptides or an inhibitor of IF organization prevented cell detachment. Furthermore, PR poly-dipeptides induced upregulation of mechanical stress response factors and led to a maladaptive response to cyclic stretch. These results suggest that the effects of PR poly-dipeptides on mechanical properties and mechanical stress response may serve as a pathogenesis of -related neurodegeneration.
Download full-text PDF |
Source |
|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8983821 | PMC |
| http://dx.doi.org/10.3389/fcell.2022.750829 | DOI Listing |
Publication Analysis
Top Keywords
Similar Publications
Tuneable multidirectional mechanical attributes of novel sectionally nonlinearly functionally graded femur and cranial bone implants with triply periodic minimal surfaces.
PLoS One
September 2025
Mechanical and Nuclear Engineering Department, Khalifa University of Science and Technology, Abu Dhabi, United Arab Emirates.
Sectionally nonlinearly functionally graded (SNFG) structures with triply periodic minimal surface (TPMS) are considered ideal for bone implants because they closely replicate the hierarchical, anisotropic, and porous architecture of natural bone. The smooth gradient in material distribution allows for optimal load transfer, reduced stress shielding, and enhanced bone ingrowth, while TPMS provides high mechanical strength-to-weight ratio and interconnected porosity for vascularization and tissue integration. Wherein, The SNFG structure contains sections with thickness that varies nonlinearly along their length in different patterns.
View Article and Find Full Text PDFCurcumin Liposomal Nanoparticles Provide Superior Neuroprotection by Attenuating Neuropathic Pain, Neuroinflammation, and Anxiety in Chronic Sciatic Nerve Injury in rats.
J Drug Target
September 2025
Neuroscience Research Center, Baqiyatallah University of Medical Sciences, Tehran, Iran.
Background: Chronic constriction injury (CCI) of the sciatic nerve induces neuropathic pain, inflammation, oxidative stress, and neurodegenerative changes, impairing sensory and emotional function. While curcumin is well recognized for its anti-inflammatory and neuroprotective properties, its therapeutic use is limited by poor bioavailability. Curcumin liposomal nanoparticles (CLNs) offer improved delivery and stability.
View Article and Find Full Text PDFStrigolactones modulate jasmonate-dependent transcriptional reprogramming during wound signalling in Arabidopsis.
J Appl Genet
September 2025
Faculty of Natural Sciences, Institute of Biology, Biotechnology and Environmental Protection, University of Silesia in Katowice, 40-032, Katowice, Poland.
Mechanical wounding triggers rapid transcriptional and hormonal reprogramming in plants, primarily driven by jasmonate (JA) signalling. While the role of JA, ethylene, and salicylic acid in wound responses is well characterised, the contribution of strigolactones (SLs) remains largely unexplored. Here, for the first time, it was shown that SLs modulate wound-induced transcriptional dynamics in Arabidopsis thaliana.
View Article and Find Full Text PDFSaturation of respiratory strain during robotic hysterectomy in obese women with endometrial cancer.
J Robot Surg
September 2025
Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, UT Health San Antonio, 7703 Floyd Curl Drive, 7836, San Antonio, TX, 78229-3900, USA.
To evaluate intraoperative ventilatory mechanics during robotic-assisted hysterectomy in obese women with endometrial cancer and introduce the concept of a physiologic "ceiling effect" in respiratory strain. We conducted a retrospective cohort study of 89 women with biopsy-confirmed endometrial cancer who underwent robotic-assisted total hysterectomy between 2011 and 2015. Intraoperative ventilatory parameters, including plateau airway pressure and static lung compliance, were recorded at five-minute intervals.
View Article and Find Full Text PDF[Biphasic plate-Controlled instability in fracture healing].
Unfallchirurgie (Heidelb)
September 2025
Klinik für Unfall‑, Hand- und Wiederherstellungschirurgie, Universitätsklinikum Münster, Albert-Schweitzer-Campus 1, Gebäude W1, 48149, Münster, Deutschland.
The bony consolidation of fractures depends on various factors. Under optimal conditions fracture healing takes place within a few weeks. An essential requirement for fracture healing is the restoration of adequate biomechanical stability with an interfragmentary movement which is as ideal as possible.
View Article and Find Full Text PDF