Properties of melanoma mitochondria to form tumor nodules in the body of experimental animals DOI Open Access

O.I. Kit,

E.M. Frantsiyants,

A.I. Shikhlyarova

et al.

Cardiometry, Journal Year: 2022, Volume and Issue: 24, P. 134 - 144

Published: Nov. 30, 2022

The aim hereof is to develop a method for revealing the properties of mitochondria isolated from melanoma skin form tumor nodules in body mice parenteral transplantation mitochondria. Materials and methods. We used experimental animals according following design: intraperitoneal with B16/F10 Balb/c Nude male mice, n = 8. All underwent one-time based on 5.2 mg protein per 1 animal 0.4 ml saline solution. were as references, which transplanted solution once into muscle intraperitoneally. Morphological examination sections internal organs foci was carried out after specimen paraffin embedding hematoxylin-eosin staining microscopy specimens Axiovert (Carl 44 Zeiss, Germany) Axiovision 4 image visualization software Germany). Results. Upon autopsies 100% 2 weeks experiment total damage by revealed. morphological B16 demonstrated lesion visceral tissue abdominal organs. Conclusion. Thus, use C57BL/6 caused growth development body. Our study revealed previously unknown melanoma, consisting their ability induce upon cell transplantation.

Language: Английский

Mitochondria in health, disease, and aging DOI
John S. Harrington, Stefan W. Ryter, Maria Plataki

et al.

Physiological Reviews, Journal Year: 2023, Volume and Issue: 103(4), P. 2349 - 2422

Published: April 6, 2023

Mitochondria are well known as organelles responsible for the maintenance of cellular bioenergetics through production ATP. Although oxidative phosphorylation may be their most important function, mitochondria also integral synthesis metabolic precursors, calcium regulation, reactive oxygen species, immune signaling, and apoptosis. Considering breadth responsibilities, fundamental metabolism homeostasis. Appreciating this significance, translational medicine has begun to investigate how mitochondrial dysfunction can represent a harbinger disease. In review, we provide detailed overview metabolism, bioenergetics, dynamics, autophagy, damage-associated molecular patterns, mitochondria-mediated cell death pathways, at any these levels is associated with disease pathogenesis. Mitochondria-dependent pathways thereby an attractive therapeutic target ameliorating human

Language: Английский

Citations

286

Implication of Rac1 GTPase in molecular and cellular mitochondrial functions DOI Creative Commons
Christian Bailly,

Claire Degand,

William Laine

et al.

Life Sciences, Journal Year: 2024, Volume and Issue: 342, P. 122510 - 122510

Published: Feb. 20, 2024

Rac1 is a member of the Rho GTPase family which plays major roles in cell mobility, polarity and migration, as fundamental regulator actin cytoskeleton. Signal transduction by occurs through interaction with multiple effector proteins, its activity regulated guanine nucleotide exchange factors (GEFs) GTPase-activating proteins (GAPs). The small protein mainly anchored to inner side plasma membrane but it can be found endocellular compartments, notably endosomes nuclei. localizes also into mitochondria where contributes regulation mitochondrial dynamics, including both mitobiogenesis mitophagy, addition signaling processes via different partners, such proapoptotic Bcl-2 chaperone sigma-1 receptor (σ-1R). form (mtRac1) has been understudied thus far, essential nuclear or forms, implication oxidative stress DNA damages. subject diverse post-translational modifications, geranylgeranylation importantly import anchorage membranes. In addition, translocation other p53. localization functions are discussed here, context human diseases cancers. Inhibitors have identified (NSC-23766, EHT-1864) some being developed for treatment cancer (MBQ-167) central nervous system (JK-50561). Their effects on mtRac1 warrant further investigations. An overview provided here.

Language: Английский

Citations

7

Zinc ions regulate mitochondrial quality control in neurons under oxidative stress and reduce PANoptosis in spinal cord injury models via the Lgals3-Bax pathway DOI

Mingyu Bai,

Yang Cui,

Zelin Sang

et al.

Free Radical Biology and Medicine, Journal Year: 2024, Volume and Issue: 221, P. 169 - 180

Published: May 21, 2024

Language: Английский

Citations

7

HMGB1 promotes mitochondrial transfer between hepatocellular carcinoma cells through RHOT1 and RAC1 under hypoxia DOI Creative Commons
Mengjia Jing,

Xiaofeng Xiong,

Xin Mao

et al.

Cell Death and Disease, Journal Year: 2024, Volume and Issue: 15(2)

Published: Feb. 20, 2024

Mitochondrial transfer plays an important role in various diseases, and many mitochondrial biological functions can be regulated by HMGB1. To explore the of hepatocellular carcinoma (HCC) its relationship with HMGB1, field emission scanning electron microscopy, immunofluorescence, flow cytometry were used to detect between HCC cells. We found that cells was confirmed using tunnel nanotubes (TNTs). The mitochondria from highly invasive less could enhance migration invasion ability latter. hypoxic conditions increased Then mechanism identified co-immunoprecipitation, luciferase reporter assay, chromatin immunoprecipitation. RHOT1, a transport protein, promoted metastasis during this process. Under hypoxia, HMGB1 further RHOT1 expression increasing NFYA NFYC subunits NF-Y complex. RAC1, protein associated TNTs formation, development. Besides, RAC1 aggregation cell membrane under hypoxia. Finally, changes significance related molecules clinical samples analyzed bioinformatics tissue microarray analyses. patients high or exhibited relatively shorter overall survival period. In conclusion, conditions, formation-related RAC1.

Language: Английский

Citations

6

Mitochondrial transfer in hematological malignancies DOI Creative Commons
Xiaodong Guo,

Can Can,

Wancheng Liu

et al.

Biomarker Research, Journal Year: 2023, Volume and Issue: 11(1)

Published: Oct. 5, 2023

Abstract Mitochondria are energy-generated organelles and take an important part in biological metabolism. could be transferred between cells, which serves as a new intercellular communication. Mitochondrial transfer improves mitochondrial defects, restores the functions of recipient maintains high metabolic requirements tumor cells well drug resistance. In recent years, it has been reported bone marrow microenvironment hematological malignant play critical role disease progression resistance during chemotherapy. this review, we discuss patterns mechanisms on their engagement different pathophysiological contexts outline latest knowledge transport mitochondria malignancies. Besides, briefly caused by Our review demonstrates theoretical basis for prospective therapeutic target to increase treatment efficiency malignancies improve prognosis patients.

Language: Английский

Citations

14

Bacteria-Mediated Anomalous Rho GTPase Activation Alters Sperm Structure and Provokes Premature Capacitation Events: A Possible Mechanism of Infertility DOI Open Access

Bárbara Rivera,

Claudia Aroca,

Beatriz González

et al.

International Journal of Molecular Sciences, Journal Year: 2025, Volume and Issue: 26(8), P. 3783 - 3783

Published: April 17, 2025

Male infertility is often linked to sperm quality issues; however, the mechanisms behind these alterations remain unclear in certain contexts. This study investigates impact of anomalous Rho GTPase activation—a process triggered by bacterial toxins—on human structure and function. Human spermatozoa were exposed vitro a activator derived from Escherichia coli under both capacitating non-capacitating conditions. The results showed increased RhoA activity conditions, without affecting viability or mitochondrial membrane potential. However, progressive motility decreased across while non-progressive acrosome reaction rates increased. Additionally, intracellular calcium levels rose exclusively Structural analysis revealed an increase abnormal morphology, particularly vacuoles head. These findings highlight that activation disrupts essential processes like capacitation, which are crucial for successful fertilization. provides novel insights into how infections may induce damage, proposing could serve as biomarker evaluating cases urogenital infections. Understanding improve diagnostic therapeutic approaches male associated with pathogens.

Language: Английский

Citations

0

Magnolol facilitates mitochondrial-peroxisome dysfunction and induces oxeiptosis in lung cancer cells following transfer via tunneling nanotubes DOI
Meng‐Hsuan Cheng, Hsiao-Hsuan Wang, Mo Da-Sang Hua

et al.

Biomedicine & Pharmacotherapy, Journal Year: 2025, Volume and Issue: 187, P. 118126 - 118126

Published: May 9, 2025

Language: Английский

Citations

0

The role of mitochondria in tumor metastasis and advances in mitochondria-targeted cancer therapy DOI Creative Commons

Fanglu Chen,

Yucheng Xue,

Wenkan Zhang

et al.

Cancer and Metastasis Reviews, Journal Year: 2024, Volume and Issue: 43(4), P. 1419 - 1443

Published: Sept. 23, 2024

Mitochondria are central actors in diverse physiological phenomena ranging from energy metabolism to stress signaling and immune modulation. Accumulating scientific evidence points the critical involvement of specific mitochondrial-associated events, including mitochondrial quality control, intercellular transfer, genetics, potentiating metastatic cascade neoplastic cells. Furthermore, numerous recent studies have consistently emphasized highly significant role mitochondria play coordinating regulation tumor-infiltrating cells immunotherapeutic interventions. This review provides a comprehensive rigorous scholarly investigation this subject matter, exploring intricate mechanisms by which contribute tumor metastasis examining progress mitochondria-targeted cancer therapies.

Language: Английский

Citations

3

Transplanting mitochondria from gastric epithelial cells reduces the malignancy of gastric cancer DOI
Fu‐Chen Kuo,

Ping‐Chen Chen,

Sheng-Yu You

et al.

Mitochondrion, Journal Year: 2024, Volume and Issue: 78, P. 101939 - 101939

Published: July 26, 2024

Language: Английский

Citations

2

Mitochondrial Transfer as a Strategy for Enhancing Cancer Cell Fitness:Current Insights and Future Directions DOI Creative Commons
Veronica Marabitti, Elisabetta Vulpis, Francesca Nazio

et al.

Pharmacological Research, Journal Year: 2024, Volume and Issue: 208, P. 107382 - 107382

Published: Aug. 30, 2024

It is now recognized that tumors are not merely masses of transformed cells but intricately interconnected with healthy in the tumor microenvironment (TME), forming complex and heterogeneous structures. Recent studies discovered cancer can steal mitochondria from to empower themselves, while reducing functions their target organ. Mitochondrial transfer, i.e. intercellular movement mitochondria, recently emerging as a novel process biology, contributing growth, metastasis, resistance therapy by shaping metabolic landscape microenvironment. This review highlights influence transferred on bioenergetics, redox balance apoptotic resistance, which collectively foster aggressive phenotype. Furthermore, therapeutic implications mitochondrial transfer discussed, emphasizing potential targeting these pathways overcome drug improve treatment efficacy.

Language: Английский

Citations

2