AI Article Synopsis
- The study focuses on how the protein GAP-43 influences cell-cycle progression in neuronal progenitors during neurogenesis in the mammalian brain.
- GAP-43 expression in transgenic fibroblast cells leads to a longer cell cycle, indicating its role in promoting the switch from cell proliferation to neuron generation.
- The research findings suggest that GAP-43 increases the duration cells spend in the G(1) phase of the cell cycle, affecting overall cell-cycle kinetics.
Article Abstract
It has been demonstrated that during neurogenesis in the mammalian brain, cell-cycle lengthening in neuronal progenitors may cause them to switch from proliferation to neuron-generating division. However, little is known about the cellular mechanisms involved in lengthening of the cell cycle. Growth-associated protein-43 (GAP-43) is a nervous system-specific protein whose expression in proliferating neuroblasts is related to neurogenesis. In this study, we investigated the effect of GAP-43 on cell-cycle progression in transgenic fibroblast cells. Using cumulative bromodeoxyuridine labeling, cell-cycle kinetics in GAP-43-transgenic and control NIH 3T3 cells were analyzed. Our data demonstrate that expression of GAP-43 in fibroblasts results in lengthening of the cell cycle compared to control fibroblasts. The mechanism by which GAP-43 mediated this effect appeared to involve increasing the time spent by the cells in the G(1) phase of the cell cycle.
Download full-text PDF |
Source |
|---|---|
| http://dx.doi.org/10.1016/j.ijdevneu.2009.06.013 | DOI Listing |
Publication Analysis
Top Keywords
Similar Publications
The therapeutic role of naringenin nanoparticles on hepatocellular carcinoma.
BMC Pharmacol Toxicol
January 2025
Biochemistry Department, Faculty of Science, Tanta University, Tanta, Egypt.
Background: Naringenin, a flavonoid compound found in citrus fruits, possesses valuable anticancer properties. However, its potential application in cancer treatment is limited by poor bioavailability and pharmacokinetics at tumor sites. To address this, Naringenin nanoparticles (NARNPs) were prepared using the emulsion diffusion technique and their anticancer effects were investigated in HepG2 cells.
View Article and Find Full Text PDFRole of extracellular vesicles in the pathogenesis of mosquito-borne flaviviruses that impact public health.
J Biomed Sci
January 2025
Departamento de Biología Molecular y Biotecnología, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México (UNAM), 04510, Mexico City, Mexico.
Mosquito-borne flaviviruses represent a public health challenge due to the high-rate endemic infections, severe clinical outcomes, and the potential risk of emerging global outbreaks. Flavivirus disease pathogenesis converges on cellular factors from vectors and hosts, and their interactions are still unclear. Exosomes and microparticles are extracellular vesicles released from cells that mediate the intercellular communication necessary for maintaining homeostasis; however, they have been shown to be involved in disease establishment and progression.
View Article and Find Full Text PDFDiscovering the interactome, functions, and clinical relevance of enhancer RNAs in kidney renal clear cell carcinoma.
BMC Med Genomics
January 2025
Yuyao People's Hospital of Zhejiang Province, Ningbo, Zhejiang, China.
Enhancer RNA (eRNA) has emerged as a key player in cancer biology, influencing various aspects of tumor development and progression. In this study, we investigated the role of eRNAs in kidney renal clear cell carcinoma (KIRC), the most common subtype of renal cell carcinoma. Leveraging high-throughput sequencing data and bioinformatics analysis, we identified differentially expressed eRNAs in KIRC and constructed eRNA-centric regulatory networks.
View Article and Find Full Text PDFPreoperative immunochemotherapy versus chemotherapy as first-line treatment for patients with stage I-IIIB small-cell lung cancer.
BMC Cancer
January 2025
Department of Thoracic Surgery, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310003, China.
Background: To date, there remains a paucity of comparative investigations pertaining to preoperative immunochemotherapy and conventional chemotherapy in the context of limited-stage small-cell lung cancer (LS-SCLC) patients. This study conducted a comprehensive comparative assessment concerning the safety and efficacy profiles of preoperative immunochemotherapy and chemotherapy in individuals diagnosed with stage I-IIIB SCLC.
Methods: This investigation collected 53 consecutive patients diagnosed with LS-SCLC spanning stage I to IIIB who underwent preoperative immunochemotherapy or conventional chemotherapy at our hospital from January 2019 to July 2021.
Cord blood platelet-rich plasma: proteomics analysis for ophthalmic applications.
Clin Proteomics
January 2025
Ophthalmology Unit, Fondazione Policlinico Universitario A. Gemelli IRCCS, Largo A. Gemelli, 1, 00168, Rome, Italy.
Our objective is to determine the protein and complements constituents of Cord blood Platelet-rich plasma (CB-PRP), based on the hypothesis that it contains beneficial components capable of arresting or potentially decelerating the advancement of atrophic age-related macular degeneration (dry-AMD), with the support of radiomics. Two distinct pools of CB-PRP were assessed, each pool obtained from a total of 15 umbilical cord-blood donors. One aliquot of each pool respectively was subjected to proteomic analysis in order to enhance the significance of our findings, by identifying proteins that are shared between the two sample pools and gaining insights into the pathways they are associated with.
View Article and Find Full Text PDFWant AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!