Purpose: This paper aimed at introducing an improved konuskrone telescope system with the advantages of both the fixed denture and the removable, partial dentures for clinical application in restoring the missing teeth.
Methods: The konuskrone telescope system was modified and named as the Preventive, Removable Prosthesis (PRP) system in which the inner crown was fixed on the abutment teeth, and the outer crown with bridge, rest and connector together as a whole was formed a removable unit.
Results: The clinical case reports indicated that the PRP system saved at least 50% cut-out of the abutment teeth,and helped the patients improve their oral hygiene,cure and rehabilitation.
Conclusions: The PRP system with the good appraisal of the fixed denture and the removable, partial denture and without the shortcomings of both dentures provides an option for rehabilitation of the missing teeth.
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PLoS Pathog
January 2025
Center for Cooperative Research in Biosciences (CIC BioGUNE), Basque Research and Technology Alliance (BRTA), Derio, Spain.
Prion diseases, particularly sporadic cases, pose a challenge due to their complex nature and heterogeneity. The underlying mechanism of the spontaneous conversion from PrPC to PrPSc, the hallmark of prion diseases, remains elusive. To shed light on this process and the involvement of cofactors, we have developed an in vitro system that faithfully mimics spontaneous prion misfolding using minimal components.
View Article and Find Full Text PDFFront Cell Neurosci
January 2025
Department of Pathology, Case Western Reserve University, School of Medicine, Cleveland, OH, United States.
Creutzfeldt-Jakob disease (CJD) is a rare, fatal, rapidly progressive neurodegenerative disease resulting from an accumulation of misfolded prion proteins (PrP). CJD affects 1-2 new individuals per million each year, and the sporadic type accounts for 90% of those cases. Though the median age at onset and disease duration vary depending on the subtype of sporadic CJD (sCJD), the disease typically affects middle-aged to elderly individuals with a median survival of 4-6 months.
View Article and Find Full Text PDFJ Orthop Surg Res
January 2025
General Practice, 920th Hospital of Joint Logistics Support Force, PLA, Kunming, 650032, China.
Introduction: KOA, a chronic degenerative joint disease, is commonly treated with intra-articular HA and PRP, used alone or in combination. However, the efficacy and safety of combination therapy (PRP + HA) remain unclear.
Aim: The aim of this systematic review and meta-analysis is to assess the clinical effectiveness and safety profile of PRP + HA versus PRP monotherapy for KOA.
Nat Med
January 2025
Merkin Institute of Transformative Technologies in Healthcare, Broad Institute of MIT and Harvard, Cambridge, MA, USA.
Prion disease is a fatal neurodegenerative disease caused by the misfolding of prion protein (PrP) encoded by the PRNP gene. While there is currently no cure for the disease, depleting PrP in the brain is an established strategy to prevent or stall templated misfolding of PrP. Here we developed in vivo cytosine and adenine base strategies delivered by adeno-associated viruses to permanently modify the PRNP locus to achieve PrP knockdown in the mouse brain.
View Article and Find Full Text PDFPharmacol Res Perspect
February 2025
New Drug Development Center, Daegu, Korea.
Oxidation of dopamine can cause various side effects, which ultimately leads to cell death and contributes to Parkinson's disease (PD). To counteract dopamine oxidation, newly synthesized dopamine is quickly transported into vesicles via vesicular monoamine transporter 2 (VMAT2) for storage. VMAT2 expression is reduced in patients with PD, and studies have shown increased accumulation of dopamine oxidation byproducts and α-synuclein in animals with low VMAT2 expression.
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