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De Sanctis JB, Garmendia JV, Duchová H, Valentini V, Puskasu A, Kubíčková A, Hajdúch M. Lck Function and Modulation: Immune Cytotoxic Response and Tumor Treatment More Than a Simple Event. Cancers (Basel) 2024; 16:2630. [PMID: 39123358 PMCID: PMC11311849 DOI: 10.3390/cancers16152630] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2024] [Revised: 07/19/2024] [Accepted: 07/22/2024] [Indexed: 08/12/2024] Open
Abstract
Lck, a member of the Src kinase family, is a non-receptor tyrosine kinase involved in immune cell activation, antigen recognition, tumor growth, and cytotoxic response. The enzyme has usually been linked to T lymphocyte activation upon antigen recognition. Lck activation is central to CD4, CD8, and NK activation. However, recently, it has become clearer that activating the enzyme in CD8 cells can be independent of antigen presentation and enhance the cytotoxic response. The role of Lck in NK cytotoxic function has been controversial in a similar fashion as the role of the enzyme in CAR T cells. Inhibiting tyrosine kinases has been a highly successful approach to treating hematologic malignancies. The inhibitors may be useful in treating other tumor types, and they may be useful to prevent cell exhaustion. New, more selective inhibitors have been documented, and they have shown interesting activities not only in tumor growth but in the treatment of autoimmune diseases, asthma, and graft vs. host disease. Drug repurposing and bioinformatics can aid in solving several unsolved issues about the role of Lck in cancer. In summary, the role of Lck in immune response and tumor growth is not a simple event and requires more research.
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Affiliation(s)
- Juan Bautista De Sanctis
- Institute of Molecular and Translational Medicine, Faculty of Medicine and Dentistry, Palacky University, 77900 Olomouc, Czech Republic; (J.V.G.); (V.V.); (A.K.); (M.H.)
- Czech Advanced Technologies and Research Institute (CATRIN), 77900 Olomouc, Czech Republic
| | - Jenny Valentina Garmendia
- Institute of Molecular and Translational Medicine, Faculty of Medicine and Dentistry, Palacky University, 77900 Olomouc, Czech Republic; (J.V.G.); (V.V.); (A.K.); (M.H.)
| | - Hana Duchová
- Faculty of Science, Palacky University, 77900 Olomouc, Czech Republic; (H.D.); (A.P.)
| | - Viktor Valentini
- Institute of Molecular and Translational Medicine, Faculty of Medicine and Dentistry, Palacky University, 77900 Olomouc, Czech Republic; (J.V.G.); (V.V.); (A.K.); (M.H.)
| | - Alex Puskasu
- Faculty of Science, Palacky University, 77900 Olomouc, Czech Republic; (H.D.); (A.P.)
| | - Agáta Kubíčková
- Institute of Molecular and Translational Medicine, Faculty of Medicine and Dentistry, Palacky University, 77900 Olomouc, Czech Republic; (J.V.G.); (V.V.); (A.K.); (M.H.)
- Czech Advanced Technologies and Research Institute (CATRIN), 77900 Olomouc, Czech Republic
| | - Marián Hajdúch
- Institute of Molecular and Translational Medicine, Faculty of Medicine and Dentistry, Palacky University, 77900 Olomouc, Czech Republic; (J.V.G.); (V.V.); (A.K.); (M.H.)
- Czech Advanced Technologies and Research Institute (CATRIN), 77900 Olomouc, Czech Republic
- Laboratory of Experimental Medicine, University Hospital Olomouc, 77900 Olomouc, Czech Republic
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Huang L, Li H, Zhang C, Chen Q, Liu Z, Zhang J, Luo P, Wei T. Unlocking the potential of T-cell metabolism reprogramming: Advancing single-cell approaches for precision immunotherapy in tumour immunity. Clin Transl Med 2024; 14:e1620. [PMID: 38468489 PMCID: PMC10928360 DOI: 10.1002/ctm2.1620] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2023] [Revised: 02/20/2024] [Accepted: 02/22/2024] [Indexed: 03/13/2024] Open
Abstract
As single-cell RNA sequencing enables the detailed clustering of T-cell subpopulations and facilitates the analysis of T-cell metabolic states and metabolite dynamics, it has gained prominence as the preferred tool for understanding heterogeneous cellular metabolism. Furthermore, the synergistic or inhibitory effects of various metabolic pathways within T cells in the tumour microenvironment are coordinated, and increased activity of specific metabolic pathways generally corresponds to increased functional activity, leading to diverse T-cell behaviours related to the effects of tumour immune cells, which shows the potential of tumour-specific T cells to induce persistent immune responses. A holistic understanding of how metabolic heterogeneity governs the immune function of specific T-cell subsets is key to obtaining field-level insights into immunometabolism. Therefore, exploring the mechanisms underlying the interplay between T-cell metabolism and immune functions will pave the way for precise immunotherapy approaches in the future, which will empower us to explore new methods for combating tumours with enhanced efficacy.
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Affiliation(s)
- Lihaoyun Huang
- Department of OncologyZhujiang HospitalSouthern Medical UniversityGuangzhouChina
- The First Clinical Medical SchoolSouthern Medical UniversityGuangzhouChina
| | - Haitao Li
- Department of OncologyTaishan People's HospitalGuangzhouChina
| | - Cangang Zhang
- Department of Pathogenic Microbiology and ImmunologySchool of Basic Medical SciencesXi'an Jiaotong UniversityXi'anShaanxiChina
| | - Quan Chen
- Department of NeurosurgeryXiangya HospitalCentral South UniversityChangshaHunanChina
| | - Zaoqu Liu
- Key Laboratory of ProteomicsBeijing Proteome Research CenterNational Center for Protein Sciences (Beijing)Beijing Institute of LifeomicsBeijingChina
- Key Laboratory of Medical Molecular BiologyChinese Academy of Medical SciencesDepartment of PathophysiologyPeking Union Medical CollegeInstitute of Basic Medical SciencesBeijingChina
| | - Jian Zhang
- Department of OncologyZhujiang HospitalSouthern Medical UniversityGuangzhouChina
- The First Clinical Medical SchoolSouthern Medical UniversityGuangzhouChina
| | - Peng Luo
- Department of OncologyZhujiang HospitalSouthern Medical UniversityGuangzhouChina
- The First Clinical Medical SchoolSouthern Medical UniversityGuangzhouChina
| | - Ting Wei
- Department of OncologyZhujiang HospitalSouthern Medical UniversityGuangzhouChina
- The First Clinical Medical SchoolSouthern Medical UniversityGuangzhouChina
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Ferro F, Spelat R, Shaw G, Duffy N, Islam MN, O'Shea PM, O'Toole D, Howard L, Murphy JM. Survival/Adaptation of Bone Marrow-Derived Mesenchymal Stem Cells After Long-Term Starvation Through Selective Processes. Stem Cells 2019; 37:813-827. [PMID: 30835892 DOI: 10.1002/stem.2998] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2018] [Revised: 02/04/2019] [Accepted: 02/17/2019] [Indexed: 12/25/2022]
Abstract
After in vivo transplantation, mesenchymal stem cells (MSC) face an ischemic microenvironment, characterized by nutrient deprivation and reduced oxygen tension, which reduces their viability and thus their therapeutic potential. Therefore, MSC response to models of in vitro ischemia is of relevance for improving their survival and therapeutic efficacy. The aim of this study was to understand the survival/adaptive response mechanism that MSC use to respond to extreme culture conditions. Specifically, the effect of a long-term starvation on human bone marrow (hBM)-derived MSC cultured in a chemically defined medium (fetal bovine serum-free [SF] and human SF), either in hypoxic or normoxic conditions. We observed that hBM-MSC that were isolated and cultured in SF medium and subjected to a complete starvation for up to 75 days transiently changed their behavior and phenotype. However, at the end of that period, hBM-MSC retained their characteristics as determined by their morphology, DNA damage resistance, proliferation kinetic, and differentiation potential. This survival mode involved a quiescent state, confirmed by increased expression of cell cycle regulators p16, p27, and p57 and decreased expression of proliferating cell nuclear antigen (PCNA), Ki-67, mTOR, and Nanog. In addition, Jak/STAT (STAT6) antiapoptotic activity selected which cells conserved stemness and that supported metabolic, bioenergetic, and scavenging requirements. We also demonstrated that hBM-MSC exploited an autophagic process which induced lipid β-oxidation as an alternative energy source. Priming MSC by concomitant starvation and culture in hypoxic conditions to induce their quiescence would be of benefit to increase MSC survival when transplanted in vivo. Stem Cells 2019;37:813-827.
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Affiliation(s)
- Federico Ferro
- Regenerative Medicine Institute (REMEDI), School of Medicine, National University of Ireland Galway (NUIG), Galway, Ireland
| | - Renza Spelat
- Neuroscience Area, International School for Advanced Studies (SISSA), Trieste, Italy
| | - Georgina Shaw
- Regenerative Medicine Institute (REMEDI), School of Medicine, National University of Ireland Galway (NUIG), Galway, Ireland
| | - Niamh Duffy
- Regenerative Medicine Institute (REMEDI), School of Medicine, National University of Ireland Galway (NUIG), Galway, Ireland
| | - Md Nahidul Islam
- Regenerative Medicine Institute (REMEDI), School of Medicine, National University of Ireland Galway (NUIG), Galway, Ireland.,Department of Clinical Biochemistry, Saolta University Health Care Group (SUHCG), Galway University Hospitals, Galway, Ireland
| | - Paula M O'Shea
- Department of Clinical Biochemistry, Saolta University Health Care Group (SUHCG), Galway University Hospitals, Galway, Ireland
| | - Daniel O'Toole
- Regenerative Medicine Institute (REMEDI), School of Medicine, National University of Ireland Galway (NUIG), Galway, Ireland
| | - Linda Howard
- Regenerative Medicine Institute (REMEDI), School of Medicine, National University of Ireland Galway (NUIG), Galway, Ireland
| | - J Mary Murphy
- Regenerative Medicine Institute (REMEDI), School of Medicine, National University of Ireland Galway (NUIG), Galway, Ireland
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Abstract
Mitochondria play fundamental roles in the regulation of life and death of eukaryotic cells. They mediate aerobic energy conversion through the oxidative phosphorylation (OXPHOS) system, and harbor and control the intrinsic pathway of apoptosis. As a descendant of a bacterial endosymbiont, mitochondria retain a vestige of their original genome (mtDNA), and its corresponding full gene expression machinery. Proteins encoded in the mtDNA, all components of the multimeric OXPHOS enzymes, are synthesized in specialized mitochondrial ribosomes (mitoribosomes). Mitoribosomes are therefore essential in the regulation of cellular respiration. Additionally, an increasing body of literature has been reporting an alternative role for several mitochondrial ribosomal proteins as apoptosis-inducing factors. No surprisingly, the expression of genes encoding for mitoribosomal proteins, mitoribosome assembly factors and mitochondrial translation factors is modified in numerous cancers, a trait that has been linked to tumorigenesis and metastasis. In this article, we will review the current knowledge regarding the dual function of mitoribosome components in protein synthesis and apoptosis and their association with cancer susceptibility and development. We will also highlight recent developments in targeting mitochondrial ribosomes for the treatment of cancer.
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Nguyen TD, Carrascal M, Vidal-Cortes O, Gallardo O, Casas V, Gay M, Phan VC, Abian J. The phosphoproteome of human Jurkat T cell clones upon costimulation with anti-CD3/anti-CD28 antibodies. J Proteomics 2016; 131:190-198. [DOI: 10.1016/j.jprot.2015.10.029] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2015] [Revised: 10/12/2015] [Accepted: 10/28/2015] [Indexed: 10/22/2022]
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