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Francesco Paduano - One of the best experts on this subject based on the ideXlab platform.

  • Exosomes from Human Periapical Cyst-MSCs: Theranostic Application in Parkinson's Disease.
    International journal of medical sciences, 2020
    Co-Authors: Marco Tatullo, Francesco Paduano, Benedetta Marrelli, Maria Josephine Zullo, Bruna Codispoti, Caterina Benincasa, Francesco Fortunato, Salvatore Scacco, Barbara Zavan, Tiziana Cocco
    Abstract:

    The scientific community continuously strives to get new disease models, to discover early markers or novel therapeutic approaches, improving the diagnosis and prognosis of several human pathologies. Parkinson's Disease (PD) is characterized by a long asymptomatic phase, characterized by a selective loss of dopaminergic neurons. Recently, the human Periapical Cyst-Mesenchymal Stem Cells (hPCy-MSCs) have been differentiated in functional dopaminergic neurons: such oral-derived MSCs and the hPCy-MSCs-derived exosomes may represent a strategic and useful in vitro study-model, as well as intriguing therapeutic carriers. Circadian rhythm (CR) alteration variously impacts on PD pathways: an interesting research target is represented by the analysis of the exosomes released by dopaminergic neurons, derived from neural-differentiated hPCy-MSCs, after having reproduced in-vitro PD-like conditions. This review aims to describe the crosstalk among some aspects of circadian rhythm related to the onset of PD and the exosomes released by cells of PD patients. More in detail: the first part of this article will describe the main characteristics of circadian rhythm and the involvement of the exosomes found to be effective in the pathogenesis of PD. Finally, the authors will suggest how those exosomes derived from dopaminergic neurons, obtained by oral-derived stem cells (hPCy-MSCs) may represent a smart model for the in vitro research on PD, to find new biomarkers, to test new drugs or, fatally, to find new pathways applicable in future therapeutic approaches.

  • Human Periapical Cysts-Mesenchymal Stem Cells Cultured with Allogenic Human Serum are a “clinical-grade” construct alternative to bovine fetal serum and indicated in the regeneration of endo-periodontal tissues
    Elsevier, 2018
    Co-Authors: Marco Tatullo, Francesco Paduano, Massimo Marrelli, Francesca Palmieri, Carlo Rengo, Gianrico Spagnuolo
    Abstract:

    Aim: Our research investigated the use of human serum (HS) as a safe and clinical-grade culture medium, using a new cell-model: hPCy-MSCs. This article is aimed to concretely applicate the concept of “waste-based regenerative dentistry” to translate it in future endo-periodontal applications. Methodology: HPCy-MSCs were cultured in 2 different mediums, both containing α-MEM: the 1st with 10% FBS (Control group), and the 2nd with 10% human serum (Test group).Cell proliferation and stemness assays, gene expression, immunophenotypic analysis and osteogenic differentiation were performed to verify our hypothesis. cDNA samples were amplified with qPCR.Experiments were performed in triplicate and analysed with statistical software. Results: The hPCy-MSCs cultivated in a medium with HS were morphologically similar to those cultivated with FBS, and showed a significantly higher proliferation rate. Von Kossa's staining revealed that osteoblasts from hPCy-MSCs in HS implemented with osteogenic induction factors, showed a better osteogenic activity, also confirmed by a significant upregulation of osteopotin (OPN) and matrix extracellular phosphoglycoprotein (MEPE). Conclusions: HPCy-MSCs cultivated in HS showed phenotypic stability and a clear regenerative binding, thus, suggesting these two components as a clinically-grade construct for future endo-periodontal therapies. Riassunto: Obiettivi: La nostra ricerca ha analizzato l’utilizzo del siero umano (HS) come mezzo di coltura sicuro e “clinical-grade”, per uso clinico, utilizzando un nuovo modello cellulare: le hPC-MSCs. Questo articolo ha lo scopo di applicare concretamente il concetto di “odontoiatria rigenerativa basata sui rifiuti biologici”, al fine di tradurlo in future applicazioni endo-periodontali. Materiali e metodi: Le HPCy-MSCs sono state coltivate in 2 mezzi di coltura diversi, entrambi contenenti α-MEM: il primo con 10% di FBS (gruppo di controllo) e il secondo con il 10% di siero umano (gruppo di test).Sono stati eseguiti saggi di proliferazione cellulare e di staminalità, espressione genica, analisi immunofenotipica e differenziamento osteogenico per verificare la nostra ipotesi di partenza. Campioni di cDNA sono stati amplificati con qPCR.Gli esperimenti sono stati eseguiti in triplicato e analizzati con software statistici. Risultati: Le hPC-MSC coltivate in un terreno con HS erano morfologicamente simili a quelle coltivate con FBS e mostravano un tasso di proliferazione significativamente più alto. La colorazione di Von Kossa ha rivelato che gli osteoblasti da hPC-MSC coltivate in HS implementato con fattori di induzione osteogenica hanno mostrato una migliore attività osteogenica, confermata anche da una significativa up-regolazione di osteopotina (OPN) e fosfoglicoproteina della matrice extracellulare (MEPE). Conclusioni: Le HPCy-MSC coltivate in HS hanno mostrato stabilità fenotipica e un chiaro atteggiamento rigenerativo, suggerendo quindi questo protocollo come un approccio clinicamente valido per le future terapie endo-periodontali. Keywords: Regenerative medicine, Stem cells, Osteogenesis, Human Periapical Cyst-MSCs, Translational research, Parole chiave: Medicina rigenerativa, Cellule staminali, Osteogenesi, Human Periapical Cyst-MSCs, Ricerca traslazional

  • Potential Use of Human Periapical Cyst-Mesenchymal Stem Cells (hPCy-MSCs) as a Novel Stem Cell Source for Regenerative Medicine Applications.
    Frontiers in Cell and Developmental Biology, 2017
    Co-Authors: Marco Tatullo, Massimo Marrelli, Francesca Palmieri, Bruna Codispoti, Andrea Pacifici, Luciano Pacifici, Francesco Paduano
    Abstract:

    Mesenchymal stem cells (MSCs) are attracting growing interest by the scientific community due to their huge regenerative potential. Thus, the plasticity of MSCs strongly suggests the utilization of these cells for regenerative medicine applications. The main issue about the clinical use of MSCs is related to the complex way to obtain them from healthy tissues; this topic has encouraged scientists to search for novel and more advantageous sources of these cells in easily accessible tissues. The oral cavity hosts several cell populations expressing mesenchymal stem cell like-features, furthermore, the access to oral and dental tissues is simple and isolation of cells is very efficient. Thus, oral-derived stem cells are highly attractive for clinical purposes. In this context, human Periapical Cysts mesenchymal stem cells (hPCy-MSCs) exhibit characteristics similar to other dental-derived MSCs, including their extensive proliferative potential, cell surface marker profile and the ability to differentiate into various cell types such as osteoblasts, adipocytes and neurons. Importantly, hPCy-MSCs are easily collected from the surgically removed Periapical Cysts; this reusing of biological waste guarantees a smart source of stem cells without any impact on the surrounding healthy tissues. In this review, we report the most interesting research topics related to hPCy-MSCs with a newsworthy discussion about the future insights. This newly discovered cell population exhibits interesting and valuable potentialities that could be of high impact in the future regenerative medicine applications.

  • the human Periapical Cyst mesenchymal stem cells hpcy mscs the new challenge of waste medicine in regenerative dentistry
    2017
    Co-Authors: Massimo Marrelli, Francesco Paduano, Carlo Rengo, Gianrico Spagnuolo, Sandro Rengo, Marco Tatullo
    Abstract:

    Regenerative medicine is a modern branch of biomedicine that created the enormous therapeutic potential in the past decade.

  • CD146 Expression Influences Periapical Cyst Mesenchymal Stem Cell Properties
    Stem Cell Reviews and Reports, 2016
    Co-Authors: Francesco Paduano, Massimo Marrelli, Francesca Palmieri, Marco Tatullo
    Abstract:

    Recent studies have identified a new human dental derived progenitor cell population with multi-lineage differentiation potential referred to as human Periapical Cyst mesenchymal stem cells (hPCy-MSCs). In the present study, we compared two subpopulations of hPCy-MSCs characterised by the low or high expression of CD146 to establish whether this expression can regulate their stem cell properties. Using flow cytometry, we evaluated the stem cell marker profile of hPCy-MSCs during passaging. Furthermore, CD146^Low and CD146^High cells were sorted by magnetic beads and subsequently both cell populations were evaluated for differences in their proliferation, self-renewal, stem cell surface markers, stemness genes expression and osteogenic differentiation potential. We found that hPCy-MSCs possessed a stable expression of several mesenchymal stem cell surface markers, whereas CD146 expression declined during passaging. In addition, sorted CD146^Low cells proliferated significantly faster, displayed higher colony-forming unit-fibroblast capacity and showed higher expression of Klf4 when compared to the CD146^High subset. Significantly, the osteogenic potential of hPCy-MSCs was greater in the CD146^Low than in CD146^High population. These results demonstrate that CD146 is spontaneously downregulated with passaging at both mRNA and protein levels and that the high expression of CD146 reduces the proliferative, self-renewal and osteogenic differentiation potential of hPCy-MSCs. In conclusion, our study demonstrates that changes in the expression of CD146 can influence the stem cell properties of hPCy-MSCs.

Mohammad Fayyad-kazan - One of the best experts on this subject based on the ideXlab platform.

  • An update on human Periapical Cyst-mesenchymal stem cells and their potential applications in regenerative medicine
    Molecular Biology Reports, 2020
    Co-Authors: Sara Ayoub, Antoine Berbéri, Mohammad Fayyad-kazan
    Abstract:

    The broad clinical applications of Mesenchymal Stem Cells (MSCs) in the regenerative medicine field is attributed to their ability to self-renew and differentiate into multiple cellular lineages. Nowadays, MSCs can be derived from a variety of adult and fetal tissues including bone marrow, adipose tissue, umbilical cord and placenta. The difficulties associated with the isolation of MSCs from certain tissues such as bone marrow promoted the search for alternative tissues which are easily accessible. Oral derived MSCs include dental pulp stem cells (DPSCs), dental follicle progenitor cells (DFPC), and periodontal ligament stem cells (PDLSC). Being abundant and easily accessible, oral derived MSCs represent an interesting alternative MSC type to be employed in regenerative medicine. Human Periapical Cyst-mesenchymal stem cells (hPCy–MSCs) correspond to a newly discovered and characterized MSC subtype. Interestingly, hPCy–MSCs are collected from Periapical Cysts, which are a biological waste, without any influence on the other healthy tissues in oral cavity. hPCy–MSCs exhibit cell surface marker profile similar to that of other oral derived MSCs, show high proliferative potency, and possess the potential to differentiate into different cell types such as osteoblasts, adipocytes and neurons-like cells. hPCy–MSCs, therefore, represent a novel promising MSCs type to be applied in regenerative medicine domain. In this review, we will compare the different types of dental derived MSCs, we will highlight the isolation technique, the characteristics, and the therapeutic potential of hPCy–MSCs.

Marco Tatullo - One of the best experts on this subject based on the ideXlab platform.

  • Exosomes from Human Periapical Cyst-MSCs: Theranostic Application in Parkinson's Disease.
    International journal of medical sciences, 2020
    Co-Authors: Marco Tatullo, Francesco Paduano, Benedetta Marrelli, Maria Josephine Zullo, Bruna Codispoti, Caterina Benincasa, Francesco Fortunato, Salvatore Scacco, Barbara Zavan, Tiziana Cocco
    Abstract:

    The scientific community continuously strives to get new disease models, to discover early markers or novel therapeutic approaches, improving the diagnosis and prognosis of several human pathologies. Parkinson's Disease (PD) is characterized by a long asymptomatic phase, characterized by a selective loss of dopaminergic neurons. Recently, the human Periapical Cyst-Mesenchymal Stem Cells (hPCy-MSCs) have been differentiated in functional dopaminergic neurons: such oral-derived MSCs and the hPCy-MSCs-derived exosomes may represent a strategic and useful in vitro study-model, as well as intriguing therapeutic carriers. Circadian rhythm (CR) alteration variously impacts on PD pathways: an interesting research target is represented by the analysis of the exosomes released by dopaminergic neurons, derived from neural-differentiated hPCy-MSCs, after having reproduced in-vitro PD-like conditions. This review aims to describe the crosstalk among some aspects of circadian rhythm related to the onset of PD and the exosomes released by cells of PD patients. More in detail: the first part of this article will describe the main characteristics of circadian rhythm and the involvement of the exosomes found to be effective in the pathogenesis of PD. Finally, the authors will suggest how those exosomes derived from dopaminergic neurons, obtained by oral-derived stem cells (hPCy-MSCs) may represent a smart model for the in vitro research on PD, to find new biomarkers, to test new drugs or, fatally, to find new pathways applicable in future therapeutic approaches.

  • Human Periapical Cysts-Mesenchymal Stem Cells Cultured with Allogenic Human Serum are a “clinical-grade” construct alternative to bovine fetal serum and indicated in the regeneration of endo-periodontal tissues
    Elsevier, 2018
    Co-Authors: Marco Tatullo, Francesco Paduano, Massimo Marrelli, Francesca Palmieri, Carlo Rengo, Gianrico Spagnuolo
    Abstract:

    Aim: Our research investigated the use of human serum (HS) as a safe and clinical-grade culture medium, using a new cell-model: hPCy-MSCs. This article is aimed to concretely applicate the concept of “waste-based regenerative dentistry” to translate it in future endo-periodontal applications. Methodology: HPCy-MSCs were cultured in 2 different mediums, both containing α-MEM: the 1st with 10% FBS (Control group), and the 2nd with 10% human serum (Test group).Cell proliferation and stemness assays, gene expression, immunophenotypic analysis and osteogenic differentiation were performed to verify our hypothesis. cDNA samples were amplified with qPCR.Experiments were performed in triplicate and analysed with statistical software. Results: The hPCy-MSCs cultivated in a medium with HS were morphologically similar to those cultivated with FBS, and showed a significantly higher proliferation rate. Von Kossa's staining revealed that osteoblasts from hPCy-MSCs in HS implemented with osteogenic induction factors, showed a better osteogenic activity, also confirmed by a significant upregulation of osteopotin (OPN) and matrix extracellular phosphoglycoprotein (MEPE). Conclusions: HPCy-MSCs cultivated in HS showed phenotypic stability and a clear regenerative binding, thus, suggesting these two components as a clinically-grade construct for future endo-periodontal therapies. Riassunto: Obiettivi: La nostra ricerca ha analizzato l’utilizzo del siero umano (HS) come mezzo di coltura sicuro e “clinical-grade”, per uso clinico, utilizzando un nuovo modello cellulare: le hPC-MSCs. Questo articolo ha lo scopo di applicare concretamente il concetto di “odontoiatria rigenerativa basata sui rifiuti biologici”, al fine di tradurlo in future applicazioni endo-periodontali. Materiali e metodi: Le HPCy-MSCs sono state coltivate in 2 mezzi di coltura diversi, entrambi contenenti α-MEM: il primo con 10% di FBS (gruppo di controllo) e il secondo con il 10% di siero umano (gruppo di test).Sono stati eseguiti saggi di proliferazione cellulare e di staminalità, espressione genica, analisi immunofenotipica e differenziamento osteogenico per verificare la nostra ipotesi di partenza. Campioni di cDNA sono stati amplificati con qPCR.Gli esperimenti sono stati eseguiti in triplicato e analizzati con software statistici. Risultati: Le hPC-MSC coltivate in un terreno con HS erano morfologicamente simili a quelle coltivate con FBS e mostravano un tasso di proliferazione significativamente più alto. La colorazione di Von Kossa ha rivelato che gli osteoblasti da hPC-MSC coltivate in HS implementato con fattori di induzione osteogenica hanno mostrato una migliore attività osteogenica, confermata anche da una significativa up-regolazione di osteopotina (OPN) e fosfoglicoproteina della matrice extracellulare (MEPE). Conclusioni: Le HPCy-MSC coltivate in HS hanno mostrato stabilità fenotipica e un chiaro atteggiamento rigenerativo, suggerendo quindi questo protocollo come un approccio clinicamente valido per le future terapie endo-periodontali. Keywords: Regenerative medicine, Stem cells, Osteogenesis, Human Periapical Cyst-MSCs, Translational research, Parole chiave: Medicina rigenerativa, Cellule staminali, Osteogenesi, Human Periapical Cyst-MSCs, Ricerca traslazional

  • Potential Use of Human Periapical Cyst-Mesenchymal Stem Cells (hPCy-MSCs) as a Novel Stem Cell Source for Regenerative Medicine Applications.
    Frontiers in Cell and Developmental Biology, 2017
    Co-Authors: Marco Tatullo, Massimo Marrelli, Francesca Palmieri, Bruna Codispoti, Andrea Pacifici, Luciano Pacifici, Francesco Paduano
    Abstract:

    Mesenchymal stem cells (MSCs) are attracting growing interest by the scientific community due to their huge regenerative potential. Thus, the plasticity of MSCs strongly suggests the utilization of these cells for regenerative medicine applications. The main issue about the clinical use of MSCs is related to the complex way to obtain them from healthy tissues; this topic has encouraged scientists to search for novel and more advantageous sources of these cells in easily accessible tissues. The oral cavity hosts several cell populations expressing mesenchymal stem cell like-features, furthermore, the access to oral and dental tissues is simple and isolation of cells is very efficient. Thus, oral-derived stem cells are highly attractive for clinical purposes. In this context, human Periapical Cysts mesenchymal stem cells (hPCy-MSCs) exhibit characteristics similar to other dental-derived MSCs, including their extensive proliferative potential, cell surface marker profile and the ability to differentiate into various cell types such as osteoblasts, adipocytes and neurons. Importantly, hPCy-MSCs are easily collected from the surgically removed Periapical Cysts; this reusing of biological waste guarantees a smart source of stem cells without any impact on the surrounding healthy tissues. In this review, we report the most interesting research topics related to hPCy-MSCs with a newsworthy discussion about the future insights. This newly discovered cell population exhibits interesting and valuable potentialities that could be of high impact in the future regenerative medicine applications.

  • the human Periapical Cyst mesenchymal stem cells hpcy mscs the new challenge of waste medicine in regenerative dentistry
    2017
    Co-Authors: Massimo Marrelli, Francesco Paduano, Carlo Rengo, Gianrico Spagnuolo, Sandro Rengo, Marco Tatullo
    Abstract:

    Regenerative medicine is a modern branch of biomedicine that created the enormous therapeutic potential in the past decade.

  • CD146 Expression Influences Periapical Cyst Mesenchymal Stem Cell Properties
    Stem Cell Reviews and Reports, 2016
    Co-Authors: Francesco Paduano, Massimo Marrelli, Francesca Palmieri, Marco Tatullo
    Abstract:

    Recent studies have identified a new human dental derived progenitor cell population with multi-lineage differentiation potential referred to as human Periapical Cyst mesenchymal stem cells (hPCy-MSCs). In the present study, we compared two subpopulations of hPCy-MSCs characterised by the low or high expression of CD146 to establish whether this expression can regulate their stem cell properties. Using flow cytometry, we evaluated the stem cell marker profile of hPCy-MSCs during passaging. Furthermore, CD146^Low and CD146^High cells were sorted by magnetic beads and subsequently both cell populations were evaluated for differences in their proliferation, self-renewal, stem cell surface markers, stemness genes expression and osteogenic differentiation potential. We found that hPCy-MSCs possessed a stable expression of several mesenchymal stem cell surface markers, whereas CD146 expression declined during passaging. In addition, sorted CD146^Low cells proliferated significantly faster, displayed higher colony-forming unit-fibroblast capacity and showed higher expression of Klf4 when compared to the CD146^High subset. Significantly, the osteogenic potential of hPCy-MSCs was greater in the CD146^Low than in CD146^High population. These results demonstrate that CD146 is spontaneously downregulated with passaging at both mRNA and protein levels and that the high expression of CD146 reduces the proliferative, self-renewal and osteogenic differentiation potential of hPCy-MSCs. In conclusion, our study demonstrates that changes in the expression of CD146 can influence the stem cell properties of hPCy-MSCs.

Wen Dong-hon - One of the best experts on this subject based on the ideXlab platform.

  • Clinical observation on the long-term efficacy of non-surgical treatment for Periapical Cyst
    Hainan Medical Journal, 2011
    Co-Authors: Wen Dong-hon
    Abstract:

    Objective To observe the long-term efficacy of non-surgery treatment with Periapical Cyst and to find out the influential factors of the clinical effect.Methods A total of 31 patients with Periapical Cyst(diameter8 mm) were treated with canal preparation,sufficient drainage,and excessive filling with Calcium Hydroxyde.All the cases were followed up for more than 2 years.Results Of the 31 cases,25 were healed(80.6%),5 were improved(16.1%),and 1 failed(3.2%).The total effective rate was 96.8%.Conclusion Periapical Cyst can be cured through non-surgery treatment,under the situation of sufficient drainage and excessive filling.

Sara Ayoub - One of the best experts on this subject based on the ideXlab platform.

  • An update on human Periapical Cyst-mesenchymal stem cells and their potential applications in regenerative medicine
    Molecular Biology Reports, 2020
    Co-Authors: Sara Ayoub, Antoine Berbéri, Mohammad Fayyad-kazan
    Abstract:

    The broad clinical applications of Mesenchymal Stem Cells (MSCs) in the regenerative medicine field is attributed to their ability to self-renew and differentiate into multiple cellular lineages. Nowadays, MSCs can be derived from a variety of adult and fetal tissues including bone marrow, adipose tissue, umbilical cord and placenta. The difficulties associated with the isolation of MSCs from certain tissues such as bone marrow promoted the search for alternative tissues which are easily accessible. Oral derived MSCs include dental pulp stem cells (DPSCs), dental follicle progenitor cells (DFPC), and periodontal ligament stem cells (PDLSC). Being abundant and easily accessible, oral derived MSCs represent an interesting alternative MSC type to be employed in regenerative medicine. Human Periapical Cyst-mesenchymal stem cells (hPCy–MSCs) correspond to a newly discovered and characterized MSC subtype. Interestingly, hPCy–MSCs are collected from Periapical Cysts, which are a biological waste, without any influence on the other healthy tissues in oral cavity. hPCy–MSCs exhibit cell surface marker profile similar to that of other oral derived MSCs, show high proliferative potency, and possess the potential to differentiate into different cell types such as osteoblasts, adipocytes and neurons-like cells. hPCy–MSCs, therefore, represent a novel promising MSCs type to be applied in regenerative medicine domain. In this review, we will compare the different types of dental derived MSCs, we will highlight the isolation technique, the characteristics, and the therapeutic potential of hPCy–MSCs.