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Robot-assisted vs. manual cochlear implant electrode array insertion in four children.
Eur Arch Otorhinolaryngol
January 2025
Department of Audiovestibology, ASST dei Sette Laghi, Via Lazio, 21100, Varese, VA, Italy.
Purpose: Evaluate the feasibility and safety of a robotic electrode insertion in pediatric cochlear implantation and compare the results with manually inserted electrodes in the same subject.
Methods: Retrospective case series review of four children who underwent bilateral cochlear implantation with the same array: on one side, the array was inserted using the robot, while on the other side the array was inserted manually. Behavioural and electrophysiological measures were compared.
Transplantation of genome-edited retinal organoids restores some fundamental physiological functions coordinated with severely degenerated host retinas.
Stem Cell Reports
January 2025
Research Center, Kobe City Eye Hospital, Kobe, Hyogo 650-0047, Japan; Research Organization of Science and Technology, Ritsumeikan University, Kusatsu, Shiga 525-8577, Japan; Laboratory for Animal Resources and Genetic Engineering, RIKEN Center for Biosystems Dynamics Research, Kobe, Hyogo 650-0047, Japan. Electronic address:
We have previously shown that the transplantation of stem cell-derived retinal organoid (RO) sheets into animal models of end-stage retinal degeneration can lead to host-graft synaptic connectivity and restoration of vision, which was further improved using genome-edited Islet1 ROs (gROs) with a reduced number of ON-bipolar cells. However, the details of visual function restoration using this regenerative therapeutic approach have not yet been characterized. Here, we evaluated the electrophysiological properties of end-stage rd1 retinas after transplantation (TP-rd1) and compared them with those of wild-type (WT) retinas using multi-electrode arrays.
View Article and Find Full Text PDFComparative analysis of intraoperative thermal and optical imaging for identification of the human primary sensory cortex.
J Biomed Opt
January 2025
TU Dresden, Carl Gustav Carus Faculty of Medicine, Anesthesiology and Intensive Care Medicine, Clinical Sensing and Monitoring, Dresden, Germany.
Significance: The precise identification and preservation of functional brain areas during neurosurgery are crucial for optimizing surgical outcomes and minimizing postoperative deficits. Intraoperative imaging plays a vital role in this context, offering insights that guide surgeons in protecting critical cortical regions.
Aim: We aim to evaluate and compare the efficacy of intraoperative thermal imaging (ITI) and intraoperative optical imaging (IOI) in detecting the primary somatosensory cortex, providing a detailed assessment of their potential integration into surgical practice.
Enhancing Cardiomyocyte Purity through Lactate-Based Metabolic Selection.
Tissue Eng Regen Med
January 2025
Department of Physiology, Graduate School of Medical Science, Brain Korea 21 Project, Yonsei University College of Medicine, Seoul, 03722, Republic of Korea.
Background: Direct reprogramming of fibroblasts into chemically induced cardiomyocyte-like cells (CiCMs) through small molecules presents a promising cell source for cardiac regeneration and therapeutic development. However, the contaminating non-cardiomyocytes, primarily unconverted fibroblasts, reduce the effectiveness of CiCMs in various applications. This study investigated a metabolic selection approach using lactate to enrich CiCMs by exploiting the unique metabolic capability of cardiomyocytes to utilize lactate as an alternative energy source.
View Article and Find Full Text PDFA macro-transection model of brain trauma for neuromaterial testing with functional electrophysiological readouts.
Neural Regen Res
January 2025
School of Medicine, Keele University, Newcastle-under-Lyme, UK.
Functional recovery in penetrating neurological injury is hampered by a lack of clinical regenerative therapies. Biomaterial therapies show promise as medical materials for neural repair through immunomodulation, structural support, and delivery of therapeutic biomolecules. However, a lack of facile and pathology-mimetic models for therapeutic testing is a bottleneck in neural tissue engineering research.
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