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Immune checkpoint inhibitors:breakthroughs in cancer treatment

Cancer Biology & Medicine 2024年第6期21卷 451-472页

作者： Xueqing Kong Jinyi Zhang Shuwei Chen Xianyang Wang Qing Xi Han Shen Rongxin Zhang laboratory of Immunology and Inflammation School of Life Sciences and Biopharmaceutics Guangdong Pharmaceutical University Department of Biology School of Life Sciences and Biopharmaceutics Guangdong Pharmaceutical University

Over the past two decades, immunotherapies have increasingly been considered as first-line treatments for most cancers. One such treatment is immune checkpoint blockade(ICB), which has demonstrated promising results against various solid tumors in clinical trials. Monoclonal antibodies(mAbs) are currently available as immune checkpoint inhibitors(ICIs). These ICIs target specific immune checkpoints, including cytotoxic T-lymphocyte-associated antigen-4(CTLA-4) and programmed cell death protein 1(PD-1). Clinical trial results strongly support the feasibility of this immunotherapeutic approach. However, a substantial proportion of patients with cancer develop resistance or tolerance to treatment, owing to tumor immune evasion mechanisms that counteract the host immune response.Consequently, substantial research focus has been aimed at identifying additional ICIs or synergistic inhibitory receptors to enhance the effectiveness of anti-PD-1, anti-programmed cell death ligand 1(anti-PD-L1), and anti-CTLA-4 treatments. Recently, several immune checkpoint molecular targets have been identified, such as T cell immunoreceptor with Ig and ITIM domains(TIGIT), mucin domain containing-3(TIM-3), lymphocyte activation gene-3(LAG-3), V-domain immunoglobulin suppressor of T cell activation(VISTA), B and T lymphocyte attenuator(BTLA), and signal-regulatory protein α(SIRPα). Functional m Abs targeting these molecules are under development. CTLA-4, PD-1/PD-L1, and other recently discovered immune checkpoint proteins with distinct structures are at the forefront of research. This review discusses these structures, as well as clinical progress in m Abs targeting these immune checkpoint molecules and their potential applications.

关键词： CTLA-4 ICIs Immunotherapy PD-1 cancer

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Sodium intake:a double-edged sword wielded by the brain

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Science China(Life sciences) 2024年第7期67卷 1545-1547页

作者： Lingyu Xu Xiaolong Ma Yi Wang Zhong Chen Key laboratory of Neuropharmacology and pharmaceutical sciences Zheiiang Chinese Medical UniversityHangzhou 310053China Institute of Pharmacology&Toxicology College of Pharmaceutical SciencesZhejiang UniversityHangzhou 310058China

Taste receptors on the tongue discriminate between five fundamental tastes:sour,sweet,bitter,salty,and umami(Chandrashekar et al.,2006).Typically,stimuli that evoke bitterness and acidity prompt aversive responses by animals,whereas sweet and umami flavors are appetitive and enjoyable.Saltiness is unique in that it transitions from an appetitive to an aversive stimulus with increasing concentrations.

关键词： prompt sweet sword

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The Multiple Roles of Autophagy in Neural Function and Diseases

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Neuroscience Bulletin 2024年第3期40卷 363-382页

作者： Yan-Yan Li Zheng-Hong Qin Rui Sheng Department of Pharmacology and laboratory of Aging and Nervous Diseases Jiangsu Key laboratory of Neuropsychiatric DiseasesCollege of Pharmaceutical Sciences of Soochow UniversitySuzhou 215123China

Autophagy involves the sequestration and delivery of cytoplasmic materials to lysosomes,where proteins,lipids,and organelles are degraded and recycled.According to the way the cytoplasmic components are engulfed,autophagy can be divided into macroautophagy,microautophagy,and chaperone-mediated autophagy.Recently,many studies have found that autophagy plays an important role in neurological diseases,including Alzheimer's disease,Parkinson's disease,Huntington's disease,neuronal excitotoxicity,and cerebral ischemia.Autophagy maintains cell homeostasis in the nervous system via degradation of misfolded proteins,elimination of damaged organelles,and regulation of apoptosis and inflammation.AMPK-mTOR,Beclin 1,TP53,endoplasmic reticulum stress,and other signal pathways are involved in the regulation of autophagy and can be used as potential therapeutic targets for neurological diseases.Here,we discuss the role,functions,and signal pathways of autophagy in neurological diseases,which will shed light on the pathogenic mechanisms of neurological diseases and suggest novel targets for therapies.

关键词： Autophagy Neurodegenerative diseases Cerebral ischemia AMPK mTOR Beclin 1 TP53 Endoplasmic reticulum stress

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DNA methylation profiles in cancer:functions,therapy,and beyond

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Cancer Biology & Medicine 2024年第2期21卷 111-116页

作者： Jinrong Zhu Yongjie Yang Li Li Jiuren Tang Rongxin Zhang laboratory of Immunology and Inflammation School of Life Sciences and BiopharmaceuticsGuangdong Pharmaceutical UniversityGuangzhou 510006China

DNA methylation in cancer DNA methylation,a reversible post-replication modification,defines gene expression and function in different physiologic processes.Hypomethylation is quite common among global DNA modifications,while promoter hypermethylation often occurs in local regions during cancer,as in CpG island formation,thereby perpetuating the inactivation of tumor suppressor genes.

关键词： cancer suppressor thereby

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Strategies that regulate LSD1 for novel therapeutics

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Acta Pharmaceutica Sinica B 2024年第4期14卷 1494-1507页

作者： Meng Li Mengge Dai Bing Cheng Shaotong Li Enhui Guo Junwei Fu Ting Ma Bin Yu School of pharmaceutical sciences&Key laboratory of Advanced Drug Preparation Technologies Ministry of EducationZhengzhou UniversityZhengzhou 450001China College of Chemistry Zhengzhou UniversityZhengzhou 450001China Tianjian laboratory of Advanced Biomedical sciences Institute of Advanced Biomedical SciencesZhengzhou UniversityZhengzhou 450000China Pingyuan laboratory State Key Laboratory of Antiviral DrugsHenan Normal UniversityXinxiang 453007China State Key laboratory of pharmaceutical Biotechnology Nanjing UniversityNanjing 210023China

Histone methylation plays crucial roles in regulating chromatin structure and gene transcrip-tion in epigenetic modifications.Lysine-specific demethylase 1(LSD1),the first identified histone de-methylase,is universally overexpressed in various diseases.LSD1 dysregulation is closely associated with cancer,viral infections,and neurodegenerative diseases,etc.,making it a promising therapeutic target.Several LSD1 inhibitors and two small-molecule degraders(UM171 and BEA-17)have entered the clinical stage.LSD1 can remove methyl groups from histone 3 at lysine 4 or lysine 9(H3K4 or H3K9),resulting in either transcription repression or activation.While the roles of LSD1 in transcrip-tional regulation are well-established,studies have revealed that LSDl can also be dynamically regulated by other factors.For example,the expression or activity of LSD1 can be regulated by many proteins that form transcriptional corepressor complexes with LSD1.Moreover,some post-transcriptional modifica-tions and cellular metabolites can also regulate LSD1 expression or its demethylase activity.Therefore,in this review,we will systematically summarize how proteins involved in the transcriptional corepressor complex,various post-translational modifications,and metabolites act as regulatory factors for LSD1 ac-tivity.

关键词： LSD1 regulation Transcription repression Transcription activation the Corepressor complex Post-transcriptional modifications Metabolites

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Spatiotemporal transformable nano-assembly for on-demand drug delivery to enhance anti-tumor immunotherapy

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Asian Journal of pharmaceutical sciences 2024年第1期19卷 103-118页

作者： Chenglin Liang Ge Zhang Linlin Guo Xinyi Ding Heng Yang Hongling Zhang Zhenzhong Zhang Lin Hou School of pharmaceutical sciences Key Laboratory of Targeting Therapy and Diagnosis for Critical DiseasesZhengzhou UniversityZhengzhou 450001China

Induction of tumor cell senescence has become a promising strategy for anti-tumor immunotherapy,but fibrotic matrix severely blocks senescence inducers penetration and immune cells infiltration.Herein,we designed a cancer-associated fibroblasts(CAFs)triggered structure-transformable nano-assembly(HSD-P@V),which can directionally deliver valsartan(Val,CAFs regulator)and doxorubicin(DOX,senescence inducer)to the specific targets.In detail,DOX is conjugated with hyaluronic acid(HA)via diselenide bonds(Se-Se)to form HSD micelles,while CAFs-sensitive peptide is grafted onto the HSD to form a hydrophilic polymer,which is coated on Val nanocrystals(VNs)surface for improving the stability and achieving responsive release.Once arriving at tumor microenvironment and touching CAFs,HSD-P@V disintegrates into VNs and HSD micelles due to sensitive peptide detachment.VNs can degrade the extracellularmatrix,leading to the enhanced penetration of HSD.HSD targets tumor cells,releases DOX to induce senescence,and recruits effector immune cells.Furthermore,senescent cells are cleared by the recruited immune cells to finish the integrated anti-tumor therapy.In vitro and in vivo results show that the nanoassembly remarkably inhibits tumor growth as well as lungmetastasis,and extends tumorbearing mice survival.This work provides a promising paradigm of programmed delivering multi-site nanomedicine for cancer immunotherapy.

关键词： Cells senescence Tumor stroma Structure transformable Programmed delivery Anti-tumor immunotherapy

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Comprehensive integration of single-cell transcriptomic data illuminates the regulatory network architecture of plant cell fate specification

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Plant Diversity 2024年第3期46卷 372-385页

作者： Shanni Cao Xue Zhao Zhuojin Li Ranran Yu Yuqi Li Xinkai Zhou Wenhao Yan Dijun Chen Chao He State Key laboratory of pharmaceutical Biotechnology School of Life SciencesNanjing UniversityNanjing 210023China National Key laboratory of Crop Genetic Improvement Hubei Hongshan LaboratoryHuazhong Agricultural UniversityWuhan 430070China

Plant morphogenesis relies on precise gene expression programs at the proper time and position which is orchestrated by transcription factors(TFs)in intricate regulatory networks in a cell-type specific manner.Here we introduced a comprehensive single-cell transcriptomic atlas of Arabidopsis seedlings.This atlas is the result of meticulous integration of 63 previously published scRNA-seq datasets,addressing batch effects and conserving biological variance.This integration spans a broad spectrum of tissues,including both below-and above-ground parts.Utilizing a rigorous approach for cell type annotation,we identified 47 distinct cell types or states,largely expanding our current view of plant cell compositions.We systematically constructed cell-type specific gene regulatory networks and uncovered key regulators that act in a coordinated manner to control cell-type specific gene expression.Taken together,our study not only offers extensive plant cell atlas exploration that serves as a valuable resource,but also provides molecular insights into gene-regulatory programs that varies from different cell types.

关键词： Arabidopsis Single cell transcriptome Gene regulatory network Data integration Plant cell atlas

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Genetic association analysis-based networks and classification of human UCP1 polymorphisms

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Genes & Diseases 2024年第3期11卷 63-65页

作者： Donghai Li State Key laboratory of pharmaceutical Biotechnology School of Life SciencesNanjing UniversityJiangsu 210023China

Uncoupling protein 1(UCP1,also known as thermogenin or SLC25A7)plays an important role in the uncoupling of oxidative phosphorylation and adaptive non-shivering thermogenesis(NST).The genomic location for UCP1 is chromosome 4 q31.1:140,555,770--140,568,961(GRCh38/hg38)and its size is 13,192 bases split into 6 exons.In dbSNP,3650 short genetic variations of human UCP1 are documented.In this study,UCP1 serves as an example to construct polymorphism-trait networks and enable a func-tional classification.

关键词： classification. UCP1 networks

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Effects of Maillard reaction and its product AGEs on aging and age-related diseases

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Food Science and Human Wellness 2024年第3期13卷 1118-1134页

作者： Huan Peng Yuqi Gao Chenye Zeng Rui Hua Yannan Guo Yida Wang Zhao Wang Protein Science Key laboratory of the Ministry of Education School of Pharmaceutical SciencesTsinghua UniversityBeijing 100084China

Maillard reaction(MR)is a non-enzymatic browning reaction commonly seen in food processing,which occurs between reducing sugars and compounds with amino groups.Despite certain advantages based on Maillard reaction products(MRPs)found in some food for health and storage application have appeared,however,the MR occurring in human physiological environment can produce advanced glycation end products(AGEs)by non-enzymatic modification of macromolecules such as proteins,lipids and nucleic acid,which could change the structure and functional activity of the molecules themselves.In this review,we take AGEs as our main object,on the one hand,discuss physiologic aging,that is,age-dependent covalent cross-linking and modification of proteins such as collagen that occur in eyes and skin containing connective tissue.On the other hand,pathological aging associated with autoimmune and inflammatory diseases,neurodegenerative diseases,diabetes and diabetic nephropathy,cardiovascular diseases and bone degenerative diseases have been mainly proposed.Based on the series of adverse effects of accelerated aging and disease pathologies caused by MRPs,the possible harm caused by some MR can be slowed down or inhibited by artificial drug intervention,dietary pattern and lifestyle control.It also stimulates people's curiosity to continue to explore the potential link between the MR and human aging and health,which should be paid more attention to for the development of life sciences.

关键词： Maillard reaction Advanced glycation end products Physiologic aging Pathological aging Drug intervention

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High-throughput discovery of highly selective reversible hMAO-B inhibitors based on at-line nanofractionation

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Acta Pharmaceutica Sinica B 2024年第4期14卷 1772-1786页

作者： Yu Fan Jincai Wang Jingyi Jian Yalei Wen Jiahao Li Hao Tian Jacques Crommen Wei Bi Tingting Zhang Zhengjin Jiang Institute of pharmaceutical Analysis/Guangdong Province Key laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research/International Cooperative laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Ministry of Education(MOE)of China/College of Pharmacy Jinan UniversityGuangzhou 510632China KU Leuven-University of Leuven Pharmaceutical AnalysisDepartment of Pharmaceutical and Pharmacological SciencesLeuven 3000Belgium laboratory of Analytical pharmaceutical Chemistry Department of Pharmaceutical SciencesCIRMUniversity of LiegeLiege B-4000Belgium Department of Neurology the First Affiliated Hospital of Jinan University/Clinical Neuroscience Institutethe First Affiliated Hospital of Jinan UniversityGuangzhou 510630China

Human monoamine oxidase B(hMAO-B)has emerged as a pivotal therapeutic target for Parkinson's disease.Due to adverse effects and shortage of commercial drugs,there is a need for novel,highly selective,and reversible hMAO-B inhibitors with good blood-brain barrier permeability.In this study,a high-throughput at-line nanofractionation screening platform was established with extracts from Chuanxiong Rhizoma,which resulted in the discovery of 75 active compounds,including phenolic acids,volatile oils,and phthalides,two of which were highly selective novel natural phthalide hMAO-B inhibitors that were potent,selective,reversible and had good blood‒brain permeability.Molecular docking and molecular dynamics simulations elucidated the inhibition mechanism.Sedanolide(IC_(50)=103 nmol/L;SI=645)and neocnidilide(IC_(50)=131 nmol/L;SI=207)demonstrated their excellent potential as hMAO-B inhibitors.They offset the limitations of deactivating enzymes associated with irreversible hMAO-B inhibitors such as rasagiline.In SH-SY5Y cell assays,sedanolide(EC_(50)=0.962μmol/L)and neocnidilide(EC_(50)=1.161μmol/L)exhibited significant neuroprotective effects,comparable to the positive drugs rasagiline(EC_(50)=0.896μmol/L)and safinamide(EC_(50)=1.079μmol/L).These findings underscore the potential of sedanolide as a novel natural hMAO-B inhibitor that warrants further development as a promising drug candidate.

关键词： Human monoamine oxidase B inhibitors High-throughput screening At-linenanofractionation Parkinson's disease Cellular neuroprotection Traditional Chinese medicines(TCMs)

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