Department of Biomedical Science and Technology, School of Biological Sciences, Ramakrishna Mission Vivekananda Educational and Research Institute (RKMVERI), Kolkata, India.
Institute of Health Sciences, Presidency University, Kolkata, West Bengal, India.
Front Cell Infect Microbiol. 2023 Sep 5;13:1220589. doi: 10.3389/fcimb.2023.1220589. eCollection 2023.
Multinucleated Giant Cells (MGCs) are specialized cells that develop from the fusion of multiple cells, and their presence is commonly observed in human cells during various infections. However, MGC formation is not restricted to infections alone but can also occur through different mechanisms, such as endoreplication and abortive cell cycle. These processes lead to the formation of polyploid cells, eventually resulting in the formation of MGCs. In , a protozoan parasite that causes amoebic dysentery and liver abscesses in humans, the formation of MGCs is a unique phenomenon and not been reported in any other protozoa. This organism is exposed to various hostile environmental conditions, including changes in temperature, pH, and nutrient availability, which can lead to stress and damage to its cells. The formation of MGCs in is thought to be a survival strategy to cope with these adverse conditions. This organism forms MGCs through cell aggregation and fusion in response to osmotic and heat stress. The MGCs in are thought to have increased resistance to various stresses and can survive longer than normal cells under adverse conditions. This increased survival could be due to the presence of multiple nuclei, which could provide redundancy in case of DNA damage or mutations. Additionally, MGCs may play a role in the virulence of as they are found in the inflammatory foci of amoebic liver abscesses and other infections caused by . The presence of MGCs in these infections suggests that they may contribute to the pathogenesis of the disease. Overall, this article offers valuable insights into the intriguing phenomenon of MGC formation in . By unraveling the mechanisms behind this process and examining its implications, researchers can gain a deeper understanding of the complex biology of and potentially identify new targets for therapeutic interventions. The study of MGCs in serves as a gateway to exploring the broader field of cell fusion in various organisms, providing a foundation for future investigations into related cellular processes and their significance in health and disease.
多核巨细胞(MGC)是一种由多个细胞融合而成的特化细胞,在人类细胞的各种感染中普遍存在。然而,MGC 的形成不仅限于感染,还可以通过不同的机制发生,如内复制和有丝分裂失败。这些过程导致多倍体细胞的形成,最终导致 MGC 的形成。在 ,一种原生动物寄生虫,它会导致人类的阿米巴痢疾和肝脓肿,MGC 的形成是一种独特的现象,在其他原生动物中没有报道过。这种生物暴露在各种恶劣的环境条件下,包括温度、pH 值和营养物质可利用性的变化,这些都可能导致其细胞的应激和损伤。 中 MGC 的形成被认为是一种应对这些不利条件的生存策略。该生物通过细胞聚集和融合来形成 MGC,以应对渗透和热应激。 中的 MGC 被认为具有更高的抗逆性,在不利条件下比正常细胞存活得更久。这种更高的存活率可能是由于存在多个核,这可以在 DNA 损伤或突变时提供冗余。此外,MGC 可能在 的毒力中发挥作用,因为它们存在于阿米巴性肝脓肿和其他由 引起的感染的炎症焦点中。这些感染中存在 MGC 表明它们可能有助于疾病的发病机制。总的来说,本文为 中 MGC 形成的这一有趣现象提供了有价值的见解。通过揭示这个过程背后的机制,并研究其影响,研究人员可以更深入地了解 的复杂生物学,并有可能确定新的治疗干预靶点。对 中 MGC 的研究为探索各种生物中细胞融合的更广泛领域提供了一个切入点,为未来研究相关细胞过程及其在健康和疾病中的意义奠定了基础。