REGENERATIVE WEAKNESS OF THE INNER EAR AND BIOENGINEERED HEARING RESTORATION: A BRIEF PROBLEM OVERVIEW DOI
Volodymyr V. Medvediev

OTORHINOLARYNGOLOGY, Год журнала: 2023, Номер unknown, С. 91 - 100

Опубликована: Янв. 1, 2023

The structure of the hearing organ combines simplicity and depth, remaining in many issues subject active scientific research. ontogenesis this exquisite mechanism is regulated by complex still incompletely understood mechanisms. technological tools modern biomedical science allow not only to study, but also work at cellular molecular level. In article, we review data on realism restoring population human auditory receptors promising ways solve problem. addition, offer an answer a fundamental question – why, with small number relatively simply arranged receptor cells inner ear, their self-restored. Key words: spiral organ, stem cells, progenitors, impairments, regeneration, bioprosthetics, bioengineering.

Язык: Английский

The Opportunities and Challenges of Gene Therapy for Treatment of Inherited Forms of Vision and Hearing Loss DOI

Emmanuel J. Simons,

Ivana Trapani

Human Gene Therapy, Год журнала: 2023, Номер 34(17-18), С. 808 - 820

Опубликована: Авг. 29, 2023

Inherited forms of blindness and deafness are highly prevalent severe conditions that significantly impact the lives millions people worldwide. The lack therapeutic options for these poses a major socioeconomic burden. Over last decades, gene therapy has proven to be life changing treatment hereditary acquired diseases, extensive preclinical investigation in animal models both retinal inner ear disorders highlighted promising translational opportunities too. This led dozens clinical trials investigating efficiency therapy-based approaches, with some products successfully reaching phase III development or even market authorization. However, challenges remain use therapy, which related features delivery vehicles currently available characteristics targeted. Therefore, further developments platforms' design, including exploitation novel technologies such as genome editing, RNA-targeted therapies, optogenetics, actively ongoing, driving field forward. In this study, we review ongoing applications achievements inherited well being pursued overcome current limitations.

Язык: Английский

Процитировано

10

Deferoxamine protects cochlear hair cells and hair cell-like HEI-OC1 cells against tert-butyl hydroperoxide-induced ototoxicity DOI Creative Commons
Peiheng Lu, Peng-Wei Ma, Wei‐Long Wang

и другие.

Biochimica et Biophysica Acta (BBA) - Molecular Basis of Disease, Год журнала: 2024, Номер 1870(3), С. 167024 - 167024

Опубликована: Янв. 17, 2024

Язык: Английский

Процитировано

4

The proneural transcription factor Atoh1 promotes odontogenic differentiation in human dental pulp stem cells (DPSCs) DOI Creative Commons
Camila Sabatini, Haifan Lin,

Galib Ovik

и другие.

BMC Molecular and Cell Biology, Год журнала: 2025, Номер 26(1)

Опубликована: Янв. 20, 2025

Abstract Background Bioengineering of human teeth for replacement is an appealing regenerative approach in the era gene therapy. Developmentally regulated transcription factors hold promise quest because these transcriptional regulators constitute regulatory networks driving cell fate determination. Atonal homolog 1 (Atoh1) a factor basic helix-loop-helix (bHLH) family essential neurogenesis cerebellum, auditory hair differentiation, and intestinal stem specification. The functional versatility Atoh1 prompted us to test possibility that may intersect dental pulp (DPSC) network governing odontogenic differentiation. Methods We isolated DPSCs from pulps treated cells with replication-deficient adenoviral vector achieve robust ectopic expression Atoh1, following which growth differentiation profiles were characterized. Results harboring exhibited approximately 3,000-fold increase compared negative control, leading increased DPSC proliferation medium ( P < 0.05). In medium, caused early induction BMP2 0.001) followed by late BMP7 0.01) Wnt signaling 0.01). BMP/Wnt led up 8-fold master osteogenic Osterix 0.005) while exhibiting no significant effect on Runx2 or Dlx5, are abundantly expressed DPSCs. stimulated type I collagen small integrin-binding ligand, N-linked glycoproteins (SIBLINGs) such as bone sialoprotein 0.001), dentin matrix protein 0.05), sialophosphoprotein 0.005), osteopontin resulting mineralization phenotype associated metabolic remodeling marked enhanced glycolytic flux attenuated mitochondrial enzyme activities. Conclusions despite being proneural development, possesses novel function upon This vitro study demonstrates mechanism mediated finding offer innovative strategy gene-based regeneration pulp-dentin complex.

Язык: Английский

Процитировано

0

Enhancing hair regeneration: Recent progress in tailoring nano-structured lipid carriers through surface modification strategies DOI Creative Commons
Omar M. Atrooz, Nasim Reihani, M. R. Mozafari

и другие.

ADMET & DMPK, Год журнала: 2024, Номер 12(3), С. 431 - 462

Опубликована: Июль 20, 2024

Background and purpose: Hair loss is a prevalent problem affecting millions of people worldwide, necessitating innovative efficient regrowth approaches. Nanostructured lipid carriers (NLCs) have become hopeful option for transporting bioactive substances to hair follicles because their compatibility with the body capability improve drug absorption. Review approach: Recently, surface modification techniques been used enhance regeneration by improving customization NLCs. These involve applying polymers, incorporating targeting molecules, modifying charge. Key results: The conversation focuses on how these stability, body, precise delivery within Moreover, it explains surface-modified NLCs can bioavailability growth-promoting agents like minoxidil finasteride. Furthermore, information interact given, uncovering possible uses in treating conditions. Conclusion: This review discusses potential altering customize them enhanced growth. It offers important upcoming studies

Язык: Английский

Процитировано

1

Advanced Omics Techniques for Understanding Cochlear Genome, Epigenome, and Transcriptome in Health and Disease DOI Creative Commons
Annamaria Tisi,

Sakthimala Palaniappan,

Mauro Maccarrone

и другие.

Biomolecules, Год журнала: 2023, Номер 13(10), С. 1534 - 1534

Опубликована: Окт. 17, 2023

Advanced genomics, transcriptomics, and epigenomics techniques are providing unprecedented insights into the understanding of molecular underpinnings central nervous system, including neuro-sensory cochlea inner ear. Here, we report for first time a comprehensive updated overview most advanced omics study nucleic acids their applications in cochlear research. We describe available vitro vivo models hearing research principles epigenomics, alongside technologies (like single-cell spatial omics), which allow investigation events that occur at resolution while retaining information.

Язык: Английский

Процитировано

2

Atoh1 overexpression promotes Guinea pig bone marrow mesenchymal stem cells to differentiate into neural stem cell DOI Creative Commons
Yiwen Chen,

Ying Lin,

Yuanhui Zhang

и другие.

Heliyon, Год журнала: 2024, Номер 10(12), С. e32952 - e32952

Опубликована: Июнь 1, 2024

Sensorineural hearing loss (SNHL) is a prevalent condition in otolaryngology. A key obstacle finding effective strategies for regenerating damaged cochlear hair cells adult animals. practical and reliable approach has been developed to create superior cell source stem transplantation the inner ear treat SNHL. Atoh1 involved differentiation of neurons, intestinal secretory cells, mechanoreceptors including auditory thus plays an important role neurogenesis. Lentivirus-mediated transfection bone marrow mesenchymal (BMSCs) was utilized achieve stable expression essential transcription factor Atoh1, which crucial developing without compromising survival. By manipulating induction conditions through altering growth environment using anti-adherent culture, synergistic impact basic fibroblast (bFGF) epidermal (EGF) effectively applied significantly improve efficiency marrow-derived (BMSC) into neural (NSCs) following transfection, thereby reducing time. The study indicated that newly proposed transdifferentiation method transformed BMSCs NSCs controlled environment, presenting potential promote regeneration.

Язык: Английский

Процитировано

0

Future Perspectives in Idiopathic Sudden Sensorineural Hearing Loss DOI
Guillermo Plaza,

Juan José Navarro Sampedro,

Carlos O’Connor-Reina

и другие.

Опубликована: Янв. 1, 2024

Язык: Английский

Процитировано

0

The Proneural Transcription Factor Atoh1 Promotes Odontogenic/Osteogenic Differentiation in Human Dental Pulp Stem Cells (DPSCs) DOI Creative Commons
Camila Sabatini, Haifan Lin,

Galib Ovik

и другие.

Research Square (Research Square), Год журнала: 2024, Номер unknown

Опубликована: Ноя. 5, 2024

Abstract Background Developmentally regulated transcription factors constitute the gene regulatory networks driving cell fate determination. Atonal homolog 1 (Atoh1) is a factor of basic helix-loop-helix (bHLH) family essential for neurogenesis in cerebellum, auditory hair differentiation, and intestinal stem specification. The functional versatility Atoh1 prompted us to test possibility that may intersect dental pulp (DPSC) network governing odontogenic/osteogenic differentiation. DPSCs were isolated from human pulps amplified culture. treated with replication-deficient adenoviral vector achieve robust expression Atoh1, following which cells maintained growth or osteogenic medium. Cell proliferation was analyzed by MTT assay. Quantitative polymerase chain reaction (qPCR) performed measure expression. L-Lactate spent medium quantified assess glycolytic flux. Enzyme assays carried out evaluate glycolysis mitochondrial energy metabolism. Alizarin Red staining used matrix mineralization. Statistical significance set at P < 0.05. Results harboring exhibited an over 3,000-fold increase compared negative control, leading increased DPSC (P 0.05). In medium, induced BMP2 Wnt signaling, accompanied up 8-fold master Osterix 0.005) while exhibiting no effect on Runx2. stimulated type I collagen 0.005), bone sialoprotein 0.001), dentin protein 0.05), sialophosphoprotein Osteopontin resulting mineralization phenotype associated metabolic remodeling marked enhanced flux attenuated activities. Conclusions despite being proneural development, possesses novel function upon ectopic DPSCs. This vitro study demonstrates mechanism mediated finding offer innovative strategy regeneration pulp-dentin complex.

Язык: Английский

Процитировано

0

REGENERATIVE WEAKNESS OF THE INNER EAR AND BIOENGINEERED HEARING RESTORATION: A BRIEF PROBLEM OVERVIEW DOI
Volodymyr V. Medvediev

OTORHINOLARYNGOLOGY, Год журнала: 2023, Номер unknown, С. 91 - 100

Опубликована: Янв. 1, 2023

The structure of the hearing organ combines simplicity and depth, remaining in many issues subject active scientific research. ontogenesis this exquisite mechanism is regulated by complex still incompletely understood mechanisms. technological tools modern biomedical science allow not only to study, but also work at cellular molecular level. In article, we review data on realism restoring population human auditory receptors promising ways solve problem. addition, offer an answer a fundamental question – why, with small number relatively simply arranged receptor cells inner ear, their self-restored. Key words: spiral organ, stem cells, progenitors, impairments, regeneration, bioprosthetics, bioengineering.

Язык: Английский

Процитировано

0