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  • Open Access

    ARTICLE

    Exacerbated Cellular Senescence in Human Dopaminergic Neurons along with an Increase in LRRK2 Kinase Activity

    Dong Hwan Ho1,*, Minhyung Lee2,3, Daleum Nam1, Hyejung Kim1, Janghwan Kim2,3, Mi Kyoung Seo4,5, Sung Woo Park4,5, Ilhong Son1,6,*

    BIOCELL, Vol.49, No.7, pp. 1225-1244, 2025, DOI:10.32604/biocell.2025.065486 - 25 July 2025

    Abstract Background: Parkinson’s disease (PD) is a common neurodegenerative disease, characterized by symptoms like tremors, muscle rigidity, and slow movement. The main cause of these symptoms is the loss of dopamine-producing neurons in a brain area called the substantia nigra. Various genetic and environmental factors contribute to this neuronal loss. Once symptoms of PD begin, they worsen with age, which also impacts several critical cellular processes. Leucine-rich repeat kinase 2 (LRRK2) is a gene associated with PD. Certain mutations in LRRK2, such as G2019S, increase its activity, disrupting cellular mechanisms necessary for healthy neuron function, including… More >

  • Open Access

    ARTICLE

    C-Myc Reduces Oxygen-Glucose Deprivation/Reperfusion-Induced Neuronal Pyroptosis through the SRSF1/NLRP1 Axis

    Siliang Liu1,#, Hong Tang2,#, Ying Xia1, Zhengtao Yu1, Ning Gao1,*

    BIOCELL, Vol.49, No.7, pp. 1245-1264, 2025, DOI:10.32604/biocell.2025.064396 - 25 July 2025

    Abstract Objectives: NOD-like receptor family pyrin domain-containing (NLRP) 1-mediated pyroptosis plays a key role in the pathogenesis of cerebral ischemia-reperfusion injury (CIRI). C-Myc is reported to play a major role in CIRI. However, the mechanism remains unclear. This study aimed to investigate whether c-Myc affects CIRI by regulating Serine/Arginine-rich Splicing Factor 1 (SRSF1)/NLRP1-mediated pyroptosis. Methods: Oxygen-glucose deprivation/reperfusion (OGD/R) induced neuroblastoma cells for the establishment of an in vitro CIRI model. The levels of c-Myc and SRSF1, cell viability, the expression of pyroptosis-related factors, and the interaction between SRSF1 and NLRP1 were evaluated. Results: The expression of c-Myc and… More >

  • Open Access

    ARTICLE

    Overexpression of Lmx1a/NeuroD1 Mediates the Differentiation of Pulmonary Mesenchymal Stem Cells into Dopaminergic Neurons and Repairs Motor Dysfunction in Parkinson’s Disease Rats

    Yiqin He1,2, Chenhan Hu1,2, Xiangshu Meng1,2, Rundong Ma1,2, Kexin Duan1,2, Yu Guo2,3, Changqing Liu1,2, Caiyun Ma1,2, Gaofeng Liu1,2,*, Chunjing Wang1,2,*

    BIOCELL, Vol.49, No.6, pp. 1037-1055, 2025, DOI:10.32604/biocell.2025.064633 - 24 June 2025

    Abstract Background: Mesenchymal stem cells (MSCs) have shown great potential in treating neurodegenerative diseases, including Parkinson’s disease (PD), due to their ability to differentiate into neurons and secrete neurotrophic factors. Genetic modification of MSCs for PD treatment has become a research focus. Methods: In this study, rat pulmonary mesenchymal stem cells (PMSCs) were transduced with lentiviral vectors carrying Lmx1a/NeuroD1 to establish genetically engineered PMSCs (LN-PMSCs) and induce their differentiation into dopaminergic neurons. The LN-PMSCs were then transplanted into the right medial forebrain bundle region of PD model rats prepared using the 6-Hydroxydopamine (6-OHDA) method. Four weeks… More >

  • Open Access

    MINI REVIEW

    Exogenous and Endogenous Virus Infection and Pollutants Drive Neuronal Cell Senescence and Alzheimer’s Disease

    Federico Licastro*

    BIOCELL, Vol.49, No.6, pp. 981-989, 2025, DOI:10.32604/biocell.2025.062303 - 24 June 2025

    Abstract Alzheimer’s disease (AD) is a neurodegenerative disease causing the most frequent form of dementia in old age. AD etiology is still uncertain and deposition of abnormal proteins in the brain along with chronic neuroinflammation have been suggested as pathogenic mechanisms of neuronal death. Infections by exogenous neurotropic virus, endogenous retrovirus reactivation, infections by other microbes, and air pollutants may either induce neurodegeneration or activate brain inflammation. Up to 8% of the human genome has a retroviral origin. These ancient retroviruses, also called human endogenous retroviruses, are associated with a clinical history of several neurodegenerative diseases.… More >

  • Open Access

    REVIEW

    Pioneering a new era in Parkinson’s disease management through adipose-derived mesenchymal stem cell therapy

    MOHAMMAD-SADEGH LOTFI, FATEMEH B. RASSOULI*

    BIOCELL, Vol.48, No.10, pp. 1419-1428, 2024, DOI:10.32604/biocell.2024.053597 - 02 October 2024

    Abstract Parkinson’s disease (PD) is one of the fastest-growing neurodegenerative disorders worldwide. So far, PD treatments only offer little clinical relief and cannot reverse or stop the disease progression. Stem cell (SC) therapy is a rapidly evolving technology that holds significant promise for enhancing current therapeutic approaches. Adipose-derived mesenchymal SCs (AD-MSCs) have many features such as easy harvest with minimal invasive techniques, high plasticity, non-immunogenicity, and no ethical issues, which have made them suitable choices for clinical applications in regenerative research. AD-MSCs are ideal tools to treat PD, as they have the potential to differentiate into… More >

  • Open Access

    ARTICLE

    Cartographie Automatique et Comptage des Arbres Oliviers A Partir de L’Imagerie de Drone par Un Reseau de Neurones Covolutionnel

    Oumaima Ameslek1,*, Hafida Zahir2, Soukaina Mitro2, El Mostafa Bachaoui1

    Revue Internationale de Géomatique, Vol.33, pp. 321-340, 2024, DOI:10.32604/rig.2024.054838 - 03 September 2024

    Abstract L’agriculture de précision (AP) est une stratégie de gestion agricole fondée sur l’observation, la mesure et la réponse à la variabilité des cultures inter/intra-champ. Il comprend des avancées en matière de collecte, d’analyse et de gestion des données, ainsi que des développements technologiques en matière de stockage et de récupération de données, de positionnement précis, de surveillance des rendements et de télédétection. Cette dernière offre une résolution spatiale, spectrale et temporelle sans précédent, mais peut également fournir des informations détaillées sur la hauteur de la végétation et diverses observations. Aujourd’hui, le succès des nouvelles technologies… More >

  • Open Access

    ARTICLE

    The Lightweight Edge-Side Fault Diagnosis Approach Based on Spiking Neural Network

    Jingting Mei, Yang Yang*, Zhipeng Gao, Lanlan Rui, Yijing Lin

    CMC-Computers, Materials & Continua, Vol.79, No.3, pp. 4883-4904, 2024, DOI:10.32604/cmc.2024.051860 - 20 June 2024

    Abstract Network fault diagnosis methods play a vital role in maintaining network service quality and enhancing user experience as an integral component of intelligent network management. Considering the unique characteristics of edge networks, such as limited resources, complex network faults, and the need for high real-time performance, enhancing and optimizing existing network fault diagnosis methods is necessary. Therefore, this paper proposes the lightweight edge-side fault diagnosis approach based on a spiking neural network (LSNN). Firstly, we use the Izhikevich neurons model to replace the Leaky Integrate and Fire (LIF) neurons model in the LSNN model. Izhikevich… More >

  • Open Access

    REVIEW

    Exercise and exerkine upregulation: Brain-derived neurotrophic factor as a potential non-pharmacological therapeutic strategy for Parkinson’s disease

    VIRAAJ VISHNU PRASAD, JENNIFER SALLY SAMSON, VENKATACHALAM DEEPA PARVATHI*

    BIOCELL, Vol.48, No.5, pp. 693-706, 2024, DOI:10.32604/biocell.2024.048776 - 06 May 2024

    Abstract Physical activity and exercise have several beneficial roles in enhancing both physiological and psychological well-being of an individual. In addition to aiding the regulation of aerobic and anaerobic metabolism, exercise can stimulate the synthesis of exerkine hormones in the circulatory system. Among several exerkines that have been investigated for their therapeutic potential, Brain-derived neurotrophic factor (BDNF) is considered the most promising candidate, especially in the management of neurodegenerative diseases. Owing to the ability of physical activity to enhance BDNF synthesis, several experimental studies conducted so far have validated this hypothesis and produced satisfactory results at More > Graphic Abstract

    Exercise and exerkine upregulation: Brain-derived neurotrophic factor as a potential non-pharmacological therapeutic strategy for Parkinson’s disease

  • Open Access

    ARTICLE

    Cervical Cancer Prediction Empowered with Federated Machine Learning

    Muhammad Umar Nasir1, Omar Kassem Khalil2, Karamath Ateeq3, Bassam SaleemAllah Almogadwy4, M. A. Khan5, Khan Muhammad Adnan6,*

    CMC-Computers, Materials & Continua, Vol.79, No.1, pp. 963-981, 2024, DOI:10.32604/cmc.2024.047874 - 25 April 2024

    Abstract Cervical cancer is an intrusive cancer that imitates various women around the world. Cervical cancer ranks in the fourth position because of the leading death cause in its premature stages. The cervix which is the lower end of the vagina that connects the uterus and vagina forms a cancerous tumor very slowly. This pre-mature cancerous tumor in the cervix is deadly if it cannot be detected in the early stages. So, in this delineated study, the proposed approach uses federated machine learning with numerous machine learning solvers for the prediction of cervical cancer to train… More >

  • Open Access

    ARTICLE

    CircR-ZC3HC1 mediates MiR-384-5p/SIRT1 axis to promote neuronal autophagy and relieves ischemic stroke

    MIN SHEN1,2, XIAOMAN XU1,2, GUANGLING SUN1, LIANGZHU WANG1, TAO YING1, HANG SU1, WEI WANG1, QINGHUA CAO1,*, ZHEZHE SUN1,*

    BIOCELL, Vol.48, No.3, pp. 491-499, 2024, DOI:10.32604/biocell.2023.047640 - 15 March 2024

    Abstract Objective: Circular RNAs (circRNAs) have been shown to involve in pathological processes of ischemic stroke (IS), including autophagy. This study was designed to explore the effect of circR-ZC3HC1 on neuronal autophagy in IS and the related mechanisms. Methods: Expression of circR-ZC3HC1 in blood samples of IS patients and healthy controls was detected. Hippocampal neurons were treated with oxygen and glucose deprivation (OGD) to establish IS in vitro model. The expression of LC3 and p62 and the number of autophagosomes were examined to evaluate the autophagy level of OGD induced neurons using western blotting and transmission electron… More >

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