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cancer-associated fibroblasts express CD1d and activate invariant natural killer T cells under cellular stress

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cellular & Molecular Immunology 2024年第1期21卷 91-94页

作者： Shengduo Pei Jonas Sjölund Yueyun Pan Kristian Pietras Mikael C.I.Karlsson department of Microbiology Tumor and Cell BiologyKarolinska InstitutetStockholmSweden Division of Translational cancer Research Department of Laboratory MedicineLund University Cancer CentreLund UniversityLundSweden

Invariant natural killer T(iNKT)cells are part of the family of unconventional T cells,and they recognize glycolipid antigens presented on the MHC class I like molecule CD1^([1]).In humans there are five CD1 molecules named CD1a to CD1e,whereas mice use only CD1d for lipid presentation.Functionally,iNKT cells can elicit both cytotoxicity similarly to conventional CD8 T cells and secrete cytokines that influence the adaptive immune response including providing direct T cell help to B cells^([2]).In the context of tumors,they can use both release of granzyme B and use Fas-mediated mechanisms for killing of tumor cells.As iNKT cells use a restricted TCR repertoire and CD1 molecules are non-heterogenous the risk of graft vs host disease is limited and thus these T cells have been an attractive option for off the shelf immunotherapy to treat cancer^([3]).

关键词： killer CD1d cancer

Oncogenic MORC2 in cancer development and beyond

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Genes & Diseases 2024年第2期11卷 861-873页

作者： Shan Zhang Ayao Guo Huan Wang Jia Liu Chenshuang Dong Junyi Ren Guiling Wang Key Laboratory of cell biology Department of Cell BiologyMinistry of Public Health and Key Laboratory of Medical Cell BiologyMinistry of EducationChina Medical UniversityShenyangLiaoning 110122China department of Breast Surgery The First Affiliated Hospital of China Medical UniversityShenyangLiaoning 110001China

Microrchidia CW-type zinc finger 2(MORC2)is a member of the MORC superfamily of nuclear proteins.Growing evidence has shown that MORC2 not only participates in gene transcription and chromatin remodeling but also plays a key in human disease and tumor development by regulating the expression of downstream oncogenes or tumor suppressors.The present review provides an updated overview of MORC2 in the aspect of cancer hallmark and therapeutic resistance and summarizes its upstream regulators and downstream target genes.This systematic review may provide a favorable theoretical basis for emerging players of MORC2 in tumor development and new insight into the potential clinical application of basic science discoveries in the future.

关键词： cancer development Hallmarks of cancer MORC2 Therapeutic target Treatment resistance

WNT/β-catenin signaling in hepatocellular carcinoma:The aberrant activation,pathogenic roles,and therapeutic opportunities

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Genes & Diseases 2024年第2期11卷 727-746页

作者： Anna Gajos-Michniewicz Malgorzata Czyz department of Molecular biology of cancer Medical University of LodzLodz 92-215Poland

Hepatocellular carcinoma(HCC)is a liver cancer,highly heterogeneous both at the histopathological and molecular levels.It arises from hepatocytes as the result of the accumulation of numerous genomic alterations in various signaling pathways,including canonical WNT/β-catenin,AKT/mTOR,MAPK pathways as well as signaling associated with telomere maintenance,p53/cell cycle regulation,epigenetic modifiers,and oxidative stress.The role of WNT/β-catenin signaling in liver homeostasis and regeneration is well established,whereas in development and progression of HCC is extensively studied.Herein,we review recent advances in our understanding of how WNT/β-catenin signaling facilitates the HCC development,acquisition of stemness features,metastasis,and resistance to treatment.We outline genetic and epigenetic alterations that lead to activated WNT/β-catenin signaling in HCC.We discuss the pivotal roles of CTNNB1 mutations,aberrantly expressed non-coding RNAs and complexity of crosstalk between WNT/β-catenin signaling and other signaling pathways as challenging or advantageous aspects of therapy development and molecular stratification of HCC patients for treatment.

关键词： cancer stem cells CTNNB1 mutations Liver cancer Non-coding RNA Tumor heterogeneity

Drug repurposing: A novel strategy to target cancer stem cells and therapeutic resistance

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Genes & Diseases 2024年第1期11卷 148-175页

作者： Divya Ajmeera Rajanna Ajumeera cell biology department ICMR-National Institute of Nutrition(NIN)HyderabadTelangana 500007India

Chemotherapy is an effortless and frequently used approach in cancer therapy.However,in most cases,it can only prolong life expectancy and does not guarantee a complete cure.Furthermore,chemotherapy is associated with severe adverse effects,one of the major complications of effective cancer therapy.In addition,newly published research outputs show that cancer stem cells are involved in cancer disease progression,drug resistance,metastasis,and recurrence and that they are functional in the trans-differentiation capacity of cancer stem cells to cancer cells in response to treatments.Novel strategies are therefore required for better management of cancer therapy.The prime approach would be to synthesize and develop novel drugs that need extensive resources,time,and endurance to be brought into therapeutic use.The subsequent approach would be to screen the anti-cancer activity of avail-able non-cancerous drugs.This concept of repurposing non-cancer drugs as an alternative to current cancer therapy has become popular in recent years because using existing anticancer drugs has several adverse effects.Micronutrients have also been investigated for cancer ther-apy due to their significant anti-cancer effects with negligible or no side effects and availabil-ity in food sources.In this paper,we discuss an ideal hypothesis for screening available non-cancerous drugs with anticancer activity,with a focus on cancer stem cells and their clinical application for cancer treatment.Further,drug repurposing and the combination of micronu-trients that can target both cancers and cancer stem cells may result in a better therapeutic approach leading to maximum tumor growth control.

关键词： cancerstem cells Chemotherapy Combination therapy micronutrients Non-cancer drugs Novel strategies

New insights into the role of the endoplasmic reticulum in microglia

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Neural Regeneration Research 2024年第7期19卷 1397-1398页

作者： Veronika E.Neubrand M.Rosario Sepúlveda department of cell biology Faculty of SciencesUniversity of GranadaGranadaSpain

Microglial cells are the only resident immune cells in the central nervous system and constitute its frontline guardian.They are extremely reactive against infections,trauma,or toxins,but are also responsible for mediating inflammation,taking part in the pathogenic course of many neuropathologies(Sierra et al.,2019).cell-specific staining,ultrastructural analysis by transmission electron microscopy(TEM),or two-photonmicroscopy imaging have been relevant for the characterization of microglia as well as their cell-cell interactions。

关键词： inflammation reticulum

Neoantigen cancer vaccines:a new star on the horizon

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cancer biology & Medicine 2024年第4期21卷 274-311页

作者： Xiaoling Li Jian You Liping Hong Weijiang Liu Peng Guo Xishan Hao cell Biotechnology Laboratory Tianjin Cancer Hospital Airport HospitalTianjin 300308China National Clinical Research Center for cancer Tianjin 300060China Haihe Laboratory of Synthetic biology Tianjin 300090China department of Thoracic Oncology Tianjin Cancer Hospital Airport HospitalTianjin 300308China department of Thoracic Oncology Surgery Tianjin Medical University Cancer Institute&HospitalTianjin 300060China Tianjin Medical University cancer Institute&Hospital Tianjin 300060China

Immunotherapy represents a promising strategy for cancer treatment that utilizes immune cells or drugs to activate the patient's own immune system and eliminate cancer cells.One of the most exciting advances within this field is the targeting of neoantigens,which are peptides derived from non-synonymous somatic mutations that are found exclusively within cancer cells and absent in normal cells.Although neoantigen-based therapeutic vaccines have not received approval for standard cancer treatment,early clinical trials have yielded encouraging outcomes as standalone monotherapy or when combined with checkpoint inhibitors.Progress made in high-throughput sequencing and bioinformatics have greatly facilitated the precise and efficient identification of neoantigens.Consequently,personalized neoantigen-based vaccines tailored to each patient have been developed that are capable of eliciting a robust and long-lasting immune response which effectively eliminates tumors and prevents recurrences.This review provides a concise overview consolidating the latest clinical advances in neoantigen-based therapeutic vaccines,and also discusses challenges and future perspectives for this innovative approach,particularly emphasizing the potential of neoantigen-based therapeutic vaccines to enhance clinical efficacy against advanced solid tumors.

关键词： Immunotherapy neoantigen cancer vaccine solid tumors high-throughput sequencing bioinformatics PDOs AI HLA TCR

A toast to a zebrafish germ cell induction cocktail

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Science China(Life Sciences) 2024年第6期67卷 1314-1315页

作者： Mary C.Mullins department of cell and Developmental biology University of Pennsylvania Perelman School of MedicinePhiladelphia 19104USA

The zebrafish field is ringing in the new year with a publication from Yonghua Sun's laboratory(Wang et al.,2023)of a cocktail of germline factors that can induce all cells of the zebrafish embryo into primordial germ cells(PGCs)at phenomenal rates.This major advance is not only of great interest to germ cell biologists,but it has important applications to the entire zebrafish field,as shown in Wang et al.(2023).

关键词： fish zebra field

A perspective on age-related changes in cell environment and risk of neurodegenerative diseases

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Neural Regeneration Research 2024年第4期19卷 719-720页

作者： Alice Y.Liu department of cell biology and Neuroscience Rutgers State University of New JerseyPiscatawayNJUSA

“Age-related neurodegenerative disease”underscores human age as the primary risk factor for disease development:Alzheimer’s,Parkinson’s,and Huntington’s disease(HD)as examples.Reasons for the age-dependent delay in disease manifestation,in particular for autosomal dominant forms of the disease,and the underlying cause(s)of specific neuron dysfunction and death to manifest as memory loss,anxiety,depression,and agitation in disease subjects remain unclear.We are interested in understanding age-related changes in cell environment that can modulate the structure,function,aggregation.

关键词： Huntington Alzheimer death

Use of induced pluripotent stem cell-derived brain cells,organoids,assembloids,and blood-brain barrier models in understanding alcohol and anesthetic-induced brain injuries:an emerging perspective

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Neural Regeneration Research 2024年第5期19卷 953-954页

作者： Xiaowen Bai department of cell biology Neurobiology&AnatomyMedical College of WisconsinMilwaukeeWIUSA

Neurological disorders,including developmental disorders,Alzheimer’s disease(AD),and psychiatric conditions,have significant social and economic impacts globally.Despite extensive research into the underlying mechanisms of these disorders,effective treatments remain elusive,partly due to the complexity of the brain,the limited availability of human brain tissue,and the blood-brain barrier(BBB)’s impermeability to certain drugs.This perspective article discusses the potential of human induced pluripotent stem cell(iPSC)-based models of brain cells,organoids,assembloids,and BBB to advance our understanding of the etiology,progression,and mechanisms of brain injuries induced by alcohol consumption and general anesthesia.These models could also be used to develop protective and therapeutic approaches.

关键词： injuries protective drugs