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Neural Regeneration research 2024年第7期19卷 1421-1422页

作者： Nilima Prakash Working group Human stem cell research Department Hamm 2Hamm-Lippstadt University of Applied SciencesHammGermany

Parkinson’s disease(PD) is characterized by the slow and progressive demise of dopamine(DA)-synthesizing neurons in the substantia nigra pars compacta(SNc),a nucleus located in the human ventral *** death also affects other regions in the brain at later stages of *** concomitant lack of DA in the human forebrain(striatum) leads to the typical motor symptoms of this still uncurable neurodegenerative disorder.

关键词： homeostasis dopamine death

Unveiling the anticancer effect of traditional Chinese herbal medicine

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World Journal of Gastroenterology 2024年第30期30卷 3625-3627页

作者： Naoki Asano Division of Carcinogenesis and Senescence Biology Tohoku University Graduate School of MedicineNatori 981-1293MiyagiJapan Division of cancer stem cell Miyagi Cancer Center Research InstituteNatori 981-1293MiyagiJapan

In this issue of World Journal of Gastroenterology,Huang et al reported that Calculus bovis(CB),a traditional Chinese herbal medicine,impedes the growth of liver cancers in *** further in vitro studies,they showed that CB suppressed the M2 polarization of tumor-associated macrophages by suppressing the Wnt signaling pathway,which consequently inhibited the growth of liver *** the effects of traditional Chinese herbal medicine are often not scientifically proven,Huang et al successfully identified the molecular mechanism involved in the anticancer effect of CB,and it is anticipated that the molecular mechanisms involved in the effects of other traditional Chinese herbal medicines will be scientifically elucidated,as demonstrated in this article.

关键词： Calculus bovis Chinese herbal medicine Wnt Hepatocellular carcinoma Liver cancer Tumor-associated macrophages M2 polarization

SETD2 in cancer: functions, molecular mechanisms, and therapeutic regimens

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cancer Biology & Medicine 2024年第9期21卷 725-730页

作者： Yawen Weng Jing Xue Ningning Niu State Key Laboratory of Systems Medicine for cancer Stem Cell Research Center Ren Ji Hospital Shanghai Cancer InstituteShanghai Jiao Tong University School of Medicine

In recent years, the histone methyltransferase SET domain containing 2 (SETD2) has garnered significant attention for its involvement in carcinogenesis. Herein we aim to summarize the research advances regarding SETD2 in tumors,elucidate the role in global epigenetic regulation, highlight potential therapeutic regimens for patients with SETD2 deficiency, and outline future research directions.

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Programmable synthetic receptors:the next-generation of cell and gene therapies

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Signal Transduction and Targeted Therapy 2024年第2期9卷 376-400页

作者： Fei Teng Tongtong Cui Li Zhou Qingqin Gao Qi Zhou Wei Li University of Chinese Academy of Sciences Beijing 101408China State Key Laboratory of stem cell and Regenerative Biology Institute of ZoologyChinese Academy of SciencesBeijing 100101China Institute for stem cell and Regeneration Chinese Academy of SciencesBeijing 100101China Beijing Institute for stem cell and Regenerative Medicine Beijing 100101China

cell and gene therapies hold tremendous promise for treating a range of difficult-to-treat ***,concerns over the safety and efficacy require to be further addressed in order to realize their full *** receptors,a synthetic biology tool that can precisely control the function of therapeutic cells and genetic modules,have been rapidly developed and applied as a powerful *** designed and engineered,they can be applied to finetune the therapeutic activities,i.e.,to regulate production of dosed,bioactive payloads by sensing and processing user-defined signals or *** review provides an overview of diverse synthetic receptor systems being used to reprogram therapeutic cells and their wide applications in biomedical *** a special focus on four synthetic receptor systems at the forefront,including chimeric antigen receptors(CARs)and synthetic Notch(synNotch)receptors,we address the generalized strategies to design,construct and improve synthetic ***,we also highlight the expanding landscape of therapeutic applications of the synthetic receptor systems as well as current challenges in their clinical translation.

关键词： synthetic landscape payload

RBM25 depletion suppresses the growth of colon cancer cells through regulating alternative splicing of MNK2

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Science China Life Sciences 2024年第10期67卷 2186-2197页

作者： Lili Zhi Chaoqun Chen Ge Zhang Tian Huang Wenxia He Jinrui Zhang Dan Chen Jiayi Liu Jinyao Zhao Yangfan Qi Guiying Wang Wenjing Zhang Yang Wang Sino-US research Center for cancer Translational Medicine of the Second Affiliated Hospital of Dalian Medical University & Institute of cancer stem cell Dalian Medical University Department of Immunology College of Basic Medical SciencesDalian Medical University Institute of cancer stem cell Dalian Medical University Department of Pathology the First Affiliated Hospital of Dalian Medical UniversityDalian Medical University Department of General Surgery the Second Hospital of Hebei Medical University The Second Department of General Surgery the Fourth Hospital of Hebei Medical University Hebei Key Laboratory of Etiology Tracing and Individualized Diagnosis and Treatment for Digestive System Carcinoma

Increasing evidence suggests that deregulated RNA splicing factors play critical roles in tumorigenesis; however, their specific involvement in colon cancer remains largely unknown. Here we report that the splicing factor RBM25 is overexpressed in colon cancer, and this increased expression correlates with a poor prognosis of patients with colon cancer. Functionally, RBM25 ablation suppresses the growth of colon cancer cells both in vitro and in vivo. Mechanistically, our transcriptome-wide analysis of splicing events revealed that RBM25 regulates a large number of cancer-related alternative splicing events across the human genome in colon cancer. Particularly, RBM25 regulates the splicing of MNK2 by interacting with the poly G rich region in exon 14a, thereby inhibiting the selection of the proximal 3'splice site(ss), resulting in the production of the oncogenic short isoform, MNK2b. Knockdown of RBM25 leads to an increase in the MNK2a isoform and a decrease in the MNK2b isoform. Importantly, re-expression of MNK2b or blocking the 3′ ss of the alternative exon 14a with ASO partially reverses the RBM25 knockdown mediated tumor suppression. Moreover, MNK2b levels were significantly increased in colon cancer tissues, which is positively correlated with the expression level of RBM25. Collectively, our findings uncover the critical role of RBM25 as a key splicing factor in colon cancer, suggesting its potential as a prognostic marker and therapeutic target.

关键词： RBM25 colon cancer alternative splicing MNK2

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One-step cell biomanufacturing platform:porous gelatin microcarrier beads promote human embryonic stem cell-derived midbrain dopaminergic progenitor cell differentiation in vitro and survival after transplantation in vivo

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Neural Regeneration research 2024年第2期19卷 458-464页

作者： Lin Feng Da Li Yao Tian Chengshun Zhao Yun Sun Xiaolong Kou Jun Wu Liu Wang Qi Gu Wei Li Jie Hao Baoyang Hu Yukai Wang State Key Laboratory of stem cell and Reproductive Biology Institute of ZoologyChinese Academy of SciencesBeijingChina Institute for stem cell and Regenerative Medicine Chinese Academy of SciencesBeijingChina National stem cell Resource Center Chinese Academy of SciencesBeijingChina Savaid Medical School University of Chinese Academy of SciencesBeijingChina Beijing Institute for stem cell and Regenerative Medicine BeijingChina State Key Laboratory of Membrane Biology Institute of ZoologyChinese Academy of SciencesBeijingChina

Numerous studies have shown that cell replacement therapy can replenish lost cells and rebuild neural circuitry in animal models of Parkinson’s *** of midbrain dopaminergic progenitor cells is a promising treatment for Parkinson’s ***,transplanted cells can be injured by mechanical damage during handling and by changes in the transplantation ***,we developed a one-step biomanufacturing platform that uses small-aperture gelatin microcarriers to produce beads carrying midbrain dopaminergic progenitor *** beads allow midbrain dopaminergic progenitor cell differentiation and cryopreservation without digestion,effectively maintaining axonal integrity in ***,midbrain dopaminergic progenitor cell bead grafts showed increased survival and only mild immunoreactivity in vivo compared with suspended midbrain dopaminergic progenitor cell ***,our findings show that these midbrain dopaminergic progenitor cell beads enhance the effectiveness of neuronal cell transplantation.

关键词： axonal integrity cell cryopreservation cellular environment cellular niche cell replacement therapy dopaminergic progenitors human pluripotent stem cell mechanical damage neuronal cell delivery Parkinson’s disease small-aperture gelatin microcarriers

Ethical concerns in aging research: perspectives of global frontline researchers

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Science China Life Sciences 2024年第10期67卷 2149-2156页

作者： Yaojin Peng Lulu Ding Zhenyu Xiao Moshi Song Jianwei Lv Guang-Hui Liu Key Laboratory of Organ Regeneration and Reconstruction State Key Laboratory of Stem Cell and Reproductive BiologyInstitute of ZoologyChinese Academy of Sciences University of Chinese Academy of Sciences Beijing Institute for stem cell and Regenerative Medicine Institute for stem cell and Regeneration Chinese Academy of Sciences Aging Biomarker Consortium (ABC) School of Life Science Beijing Institute of Technology School of Life Sciences Xiamen University Advanced Innovation Center for Human Brain Protection and National Clinical research Center for Geriatric Disorders Xuanwu HospitalCapital Medical University Aging Translational Medicine Center International Center for Aging and CancerBeijing Municipal Geriatric Medical Research CenterXuanwu HospitalCapital Medical University

This study investigated the ethical landscape of aging research amid the increasing global focus on extending the human lifespan and health span. Our global survey of 180 researchers across 38 jurisdictions revealed divergent perceptions of aging, a consensus regarding the feasibility of delaying aging, and multiple perspectives regarding lifespan extension. The present findings underscore a paradigm shift toward inclusive and ethically sound research, emphasizing the need for an approach that strikes a balance between basic and clinical research. In addition, this study highlighted key ethical concerns in aging research, including the effects of misleading advertising, potential inequality in access to aging interventions, and risks pertaining to the extrapolation of research findings from lower-model organisms to humans. The insights presented in this paper call for an integrated approach for overcoming the complex ethical and societal challenges in aging research to ensure responsible and equitable advancements in this burgeoning field.

关键词： aging ethical landscape ethics surveys and questionnaires

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Dynamic transcriptional programs define distinct mammalian cortical lineages

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Neural Regeneration research 2024年第2期19卷 387-389页

作者： Tanzila Mukhtar Verdon Taylor Department of Biomedicine University of BaselBaselSwitzerland Eli and Edythe Broad Center of Regeneration Medicine and stem cell research University of CaliforniaSan FranciscoCAUSA

The cerebral cortex is composed of billions of neurons and glia that are generated sequentially during *** cells are generated in an organized fashion during *** early stages of brain development,neural stem cells(NSC... 详细信息

关键词： cortex cerebral development

OIP5 Interacts with NCK2 to Mediate Human Spermatogonial stem cell Self-Renewal and Apoptosis through cell Cyclins and Cycle Progression and Its Abnormality Is Correlated with Male Infertility

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research 2024年第1期2023卷 455-469页

作者： Yinghong Cui Wei Chen Li Du Zuping He The Key Laboratory of Model Animals and stem cell Biology in Hunan Province The Research Center of Reproduction and Translational Medicine of Hunan ProvinceHunan Normal University School of MedicineChangsha 410013HunanChina

Spermatogonial stem cells(SSCs)have important applications in both reproduction and regenerative ***,specific genes and signaling transduction pathways in mediating fate decisions of human SSCs remain ***,we have demonstrated for the first time that OIP5(Opa interacting protein 5)controlled the self-renewal and apoptosis of human *** sequencing identified that NCK2 was a target for OIP5 in human SSCs,and interestingly,OIP5 could interact with NCK2 as shown by Co-IP(co-immunoprecipitation),IP-MS(mass spectrometry),and GST pulldown ***2 silencing decreased human SSC proliferation and DNA synthesis but enhanced their ***,NCK2 knockdown reversed the influence of OIP5 overexpression on human ***,OIP5 inhibition decreased the numbers of human SSCs at S and G2/M phases,while the levels of numerous cell cycle proteins,including cyclins A2,B1,D1,E1 and H,especially cyclin D1,were remarkably ***,whole-exome sequencing of 777 patients with nonobstructive azoospermia(NOA)revealed 54 singlenucleotide polymorphism mutations of the OIP5 gene(6.95%),while the level of OIP5 protein was obviously lower in testes of NOA patients compared to fertile ***,these results implicate that OIP5 interacts with NCK2 to modulate human SSC self-renewal and apoptosis via cell cyclins and cell cycle progression and that its mutation and/or lower expression is correlated with *** such,this study offers novel insights into molecular mechanisms underlying the fate determinations of human SSCs and the pathogenesis of NOA,and it provides new targets for treating male infertility.

关键词： OIP5 Apoptosis reversed

Epigenetic memory of drug exposure history controls neural stem cell quiescence in the adult brain

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Neural Regeneration research 2024年第4期19卷 711-712页

作者： Masakazu Iwamoto Taito Matsuda Department of stem cell Biology and Medicine Graduate School of Medical SciencesKyushu UniversityFukuokaJapan

Neural stem cells(NSCs)are the source of all neurons and glial cells(astrocytes and oligodendrocytes)in the central nervous *** adult mammalian brain retains NSCs in the subgranular zone of the dentate gyrus in the hippocampus and ventricular subventricular zone lining the lateral ventricle(Olpe and Jessberger,2022).Adult NSCs in rodents are preserved throughout life and continuously produce new neurons that integrate into the pre-existing neuronal network.

关键词： neural integrate continuously