The International journal of developmental biology最新文献

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Ccer1 is a spermatid-specific gene required for spermatogenesis and male fertility. Ccer1是精子发生和男性生育所需的精子特异性基因。
The International journal of developmental biology Pub Date : 2024-01-01 DOI: 10.1387/ijdb.240205rp
Bianca Sammer, Philomena Schmid, Haruhiko Miyata, Samina Kazi, Anna-Liisa Honkimaa, Petar Petrov, Emmi Kapiainen, Ilkka Miinalainen, Valerio Izzi, Masahito Ikawa, Renata Prunskaite-Hyyryläinen
{"title":"<i>Ccer1</i> is a spermatid-specific gene required for spermatogenesis and male fertility.","authors":"Bianca Sammer, Philomena Schmid, Haruhiko Miyata, Samina Kazi, Anna-Liisa Honkimaa, Petar Petrov, Emmi Kapiainen, Ilkka Miinalainen, Valerio Izzi, Masahito Ikawa, Renata Prunskaite-Hyyryläinen","doi":"10.1387/ijdb.240205rp","DOIUrl":"10.1387/ijdb.240205rp","url":null,"abstract":"<p><p>Male infertility is a multifactorial condition for which the underlying causes frequently remain undefined. Genetic factors have long been associated with male fertility. However, many of them are poorly or not at all characterized and their biological functions are unknown. Identifying the key genes behind male infertility is crucial for improving prognosis and treatment options, as well as for evaluating the risk of passing on genetic defects through natural or assisted reproductive methods to the next generation. Here, we have studied the Coiled-coil domain-containing glutamate-rich protein 1 (<i>Ccer1</i>), a poorly characterized gene specific to vertebrates. We demonstrate that it is enriched during spermiogenesis in spermatids in both mice and humans. The studied <i>Ccer1</i> knockout mice exhibit significant subfertility due to the absence of <i>Ccer1</i> function, which leads to altered sperm head and tail ultrastructure. This study defines <i>Ccer1</i> as a spermatid-specific gene critical for spermiogenesis, suggesting it would be worthwhile inspecting when there is a suspicion of male infertility associated with genetic causes.</p>","PeriodicalId":94228,"journal":{"name":"The International journal of developmental biology","volume":" ","pages":"251-262"},"PeriodicalIF":0.0,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143049374","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Genetic targeting of lymphatic endothelial cells in mice: current strategies and future perspectives. 小鼠淋巴内皮细胞的基因靶向:当前策略与未来展望。
The International journal of developmental biology Pub Date : 2024-01-01 DOI: 10.1387/ijdb.230215tm
Hans Schoofs, Taija Mäkinen
{"title":"Genetic targeting of lymphatic endothelial cells in mice: current strategies and future perspectives.","authors":"Hans Schoofs, Taija Mäkinen","doi":"10.1387/ijdb.230215tm","DOIUrl":"10.1387/ijdb.230215tm","url":null,"abstract":"<p><p>Lymphatic vessels within different organs have diverse developmental origins, depend on different growth factor signaling pathways for their development and maintenance, and display notable tissue-specific adaptations that contribute to their roles in normal physiology and in various diseases. Functional studies on the lymphatic vasculature rely extensively on the use of mouse models that allow selective gene targeting of lymphatic endothelial cells (LECs). Here, we discuss LEC diversity and provide an overview of some of the commonly used LEC-specific inducible Cre lines and induction protocols, outlining essential experimental parameters and their implications. We describe optimized treatment regimens for embryonic, postnatal and adult LECs, efficiently targeting organs that are commonly studied in lymphatic vascular research, such as the mesentery and skin. We further highlight the anticipated outcomes and limitations associated with each induction scheme and mouse line. The proposed protocols serve as recommendations for laboratories initiating studies involving targeting of the lymphatic vasculature, and aim to promote uniformity in lineage tracing and functional studies within the lymphatic vascular field.</p>","PeriodicalId":94228,"journal":{"name":"The International journal of developmental biology","volume":" ","pages":"189-198"},"PeriodicalIF":0.0,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142038076","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
DUX4, the rockstar of embryonic genome activation? DUX4,胚胎基因组激活的摇滚明星?
The International journal of developmental biology Pub Date : 2024-01-01 DOI: 10.1387/ijdb.230247sn
Sonja Nykänen, Sanna Vuoristo
{"title":"DUX4, the rockstar of embryonic genome activation?","authors":"Sonja Nykänen, Sanna Vuoristo","doi":"10.1387/ijdb.230247sn","DOIUrl":"10.1387/ijdb.230247sn","url":null,"abstract":"<p><p>During the initial days of development, the embryo gradually shifts from reliance on maternally provided RNAs and proteins to regulation of its own development. This transition is marked by embryonic genome activation (EGA). While the factors driving human EGA remain poorly characterized, accumulating evidence suggests that double homeobox 4 (DUX4) is an important regulator of this process. Despite advances in single-cell methods which have allowed studies in early human embryos, fundamental questions regarding the function and regulation of DUX4 persist. Here, we review current knowledge of DUX4 with a focus on EGA in humans.</p>","PeriodicalId":94228,"journal":{"name":"The International journal of developmental biology","volume":" ","pages":"161-168"},"PeriodicalIF":0.0,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141072389","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Wnt target gene Ascl4 is dispensable for skin appendage development. Wnt靶基因Ascl4对皮肤附属器官的发育是不可或缺的。
The International journal of developmental biology Pub Date : 2024-01-01 DOI: 10.1387/ijdb.240007vp
Verdiana Papagno, Ana-Marija Sulic, Jyoti P Satta, Aida Kaffash Hoshiar, Vinod Kumar, Jukka Jernvall, Marja L Mikkola
{"title":"Wnt target gene Ascl4 is dispensable for skin appendage development.","authors":"Verdiana Papagno, Ana-Marija Sulic, Jyoti P Satta, Aida Kaffash Hoshiar, Vinod Kumar, Jukka Jernvall, Marja L Mikkola","doi":"10.1387/ijdb.240007vp","DOIUrl":"10.1387/ijdb.240007vp","url":null,"abstract":"<p><p>The development of skin appendages, including hair follicles, teeth and mammary glands is initiated through the formation of the placode, a local thickening of the epithelium. The Wnt/β-catenin signaling cascade is an evolutionary conserved pathway with an essential role in placode morphogenesis, but its downstream targets and their exact functions remain ill defined. In this study, we identify <i>Achaete-scute complex-like 4</i> (<i>Ascl4</i>) as a novel target of the Wnt/β-catenin pathway and demonstrate its expression pattern in the signaling centers of developing hair follicles and teeth. Ascl transcription factors belong to the superfamily of basic helix-loop-helix transcriptional regulators involved in cell fate determination in many tissues. However, their specific role in the developing skin remains largely unknown. We report that <i>Ascl4</i> null mice have no overt phenotype. Absence of Ascl4 did not impair hair follicle morphogenesis or hair shaft formation suggesting that it is non-essential for hair follicle development. No tooth or mammary gland abnormalities were detected either. We suggest that other transcription factors may functionally compensate for the absence of Ascl4, but further research is warranted to assess this possibility.</p>","PeriodicalId":94228,"journal":{"name":"The International journal of developmental biology","volume":" ","pages":"231-239"},"PeriodicalIF":0.0,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141072393","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Developmental relationship between junctional epithelium and epithelial rests of Malassez. 交界上皮细胞与马拉色斯上皮细胞间的发育关系
The International journal of developmental biology Pub Date : 2024-01-01 DOI: 10.1387/ijdb.230243sl
Shubo Li, Shufang Li, Mingguo Cao
{"title":"Developmental relationship between junctional epithelium and epithelial rests of Malassez.","authors":"Shubo Li, Shufang Li, Mingguo Cao","doi":"10.1387/ijdb.230243sl","DOIUrl":"https://doi.org/10.1387/ijdb.230243sl","url":null,"abstract":"<p><p><i>Keratin 17</i> (K17) is thought to be a candidate target gene for regulation by Lymphoid Enhancer Factor-1 (Lef-1)<i>.</i> K17 is a marker that distinguishes junctional epithelium (JE) from epithelial rests of Malassez (ERM). However, the relationship of Lef-1 to K17 is not clear in this context. Moreover, the expression of other keratins such as K5, K6, K7 and K16 is not reported. Therefore, the aim of our study was to assay the expression of K5, K6, K7, K14, K16, K17 and Lef-1 in postnatal developing teeth, and clarify the corresponding immunophenotypes of the JE and ERM. Upper jaws of Wistar rats aged from postnatal (PN) day 3.5 to PN21 were used and processed for immunohistochemistry. K5 and K14 were intensely expressed in inner enamel epithelium (IEE), reduced enamel epithelium (REE), ERM and JE. There was no staining for K16 in the tissue, except for strong staining in the oral epithelium. Specifically, at PN3.5 and PN7, K17 was initially strongly expressed and then negative in the IEE. At PN16 and PN21, both REE and ERM were strongly stained for K17, whereas K17 was negative in the JE. In addition, K6, K7 and Lef-1 were not detected in any tissue investigated. REE and ERM have an identical keratin expression pattern before eruption, while JE differs from ERM in the expression of K17 after eruption. The expression of K17 does not coincide with that of Lef-1. These data indicate that JE has a unique phenotype different from ERM, which is of odontogenic origin.</p>","PeriodicalId":94228,"journal":{"name":"The International journal of developmental biology","volume":"68 1","pages":"39-45"},"PeriodicalIF":0.0,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140873140","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Epigenetic and transcriptional regulation of neuron phenotype. 神经元表型的表观遗传和转录调控。
The International journal of developmental biology Pub Date : 2024-01-01 DOI: 10.1387/ijdb.230204ka
Kaia Achim
{"title":"Epigenetic and transcriptional regulation of neuron phenotype.","authors":"Kaia Achim","doi":"10.1387/ijdb.230204ka","DOIUrl":"10.1387/ijdb.230204ka","url":null,"abstract":"<p><p>Understanding the structure and function of cells is central to cell biology and physiology. The ability to control cell function may benefit biomedicine, such as cell-replacement therapy or regeneration. If structure defines function and cells are composed of water, lipids, small metabolites, nucleic acids, and proteins, of which the latter are largely encoded by the DNA present in the same cell, then one may assume that the cell types and variation in cellular phenotypes are shaped by differential gene expression. Cells of the same cell type maintain a similar composition. In this review, I will discuss the epigenetic and transcription regulation mechanisms guiding cell fate- specific gene expression in developing neural cells. Differentiation involves processes of cell-fate selection, commitment and maturation, which are not necessarily coupled.</p>","PeriodicalId":94228,"journal":{"name":"The International journal of developmental biology","volume":" ","pages":"199-209"},"PeriodicalIF":0.0,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142038075","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Knock-in of a 3' UTR Stop Cassette into the Wnt4 locus increases mRNA expression and leads to ovarian cyst formation. 敲入 Wnt4 基因座的 3' UTR 终止盒可增加 mRNA 的表达并导致卵巢囊肿的形成。
The International journal of developmental biology Pub Date : 2024-01-01 DOI: 10.1387/ijdb.230211na
Nsrein Ali, Qi Xu, Renata Prunskaite-Hyyryläinen, Jingdong Shan, Seppo J Vainio
{"title":"Knock-in of a <i>3' UTR</i> Stop Cassette into the <i>Wnt4</i> locus increases mRNA expression and leads to ovarian cyst formation.","authors":"Nsrein Ali, Qi Xu, Renata Prunskaite-Hyyryläinen, Jingdong Shan, Seppo J Vainio","doi":"10.1387/ijdb.230211na","DOIUrl":"10.1387/ijdb.230211na","url":null,"abstract":"<p><p>Wnt4 signaling is critical for mammalian female sex determination, in female reproductive organ development, in follicular and oocyte maturation, and in steroid hormone production. When Wnt4 function is impaired, female embryos undergo partial female to male sex-reversal. This phenotype is associated with the expression of a set of somatic genes that are typical for the male differentiation pathways such as those of the Leydig cells. Given the roles of the 3`untranslated region (<i>3`UTR</i>) in control of gene expression, we addressed whether a knock-in of a stop cassette to 3`END of the <i>Wnt4</i> gene would impact female reproductive system development or function. The <i>3`UTR<sup>stop</sup></i> cassette indeed affected <i>Wnt4</i> gene expression <i>in vivo</i> so that the respective mRNA was upregulated in the ovaries of a three month-old female. The homozygous <i>Wnt4 3`UTR<sup>stop</sup></i> mice were noted to be leaner than their wild type (WT) littermate controls. Analysis of the ovarian follicular count at the age of three months revealed increased pre-antral but reduced ovarian corpus luteum follicular counts. Furthermore, two out of five of the homozygous female <i>Wnt4 3`UTR<sup>stop</sup></i> mice had ovarian cysts, not noted in WT controls. RT-qPCR and <i>in situ</i> hybridization analysis depicted changes in the expression of a panel of genes which encode enzymes that mediate the synthesis of female steroid hormones or their receptors due to the <i>Wnt4 3`UTR<sup>stop</sup></i> knock-in. Thus, female mice which had the homozygous construct exhibited elevated ovarian <i>Wnt4</i> mRNA expression and the corresponding knock-in was associated with changes in ovarian development and folliculogenesis. Our data reinforce the conclusion that deregulated <i>Wnt4</i> expression impacts female sex organogenesis, ovary development and function, and that the <i>Wnt4 3`UTR<sup>stop</sup></i> knock-in mouse provides a model to explore in more detail the roles of Wnt4 signaling in the process.</p>","PeriodicalId":94228,"journal":{"name":"The International journal of developmental biology","volume":" ","pages":"241-249"},"PeriodicalIF":0.0,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142735487","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Enhancer-promoter communication in Drosophila developmental gene transcription. 果蝇发育基因转录中的增强子-启动子通讯
The International journal of developmental biology Pub Date : 2024-01-01 DOI: 10.1387/ijdb.230218gh
George Hunt, Mattias Mannervik
{"title":"Enhancer-promoter communication in <i>Drosophila</i> developmental gene transcription.","authors":"George Hunt, Mattias Mannervik","doi":"10.1387/ijdb.230218gh","DOIUrl":"10.1387/ijdb.230218gh","url":null,"abstract":"<p><p>Enhancers play an essential role in gene regulation by receiving cues from transcription factors and relaying these signals to modulate transcription from target promoters. Enhancer-promoter communications occur across large linear distances of the genome and with high specificity. The molecular mechanisms that underlie enhancer-mediated control of transcription remain unresolved. In this review, we focus on research in <i>Drosophila</i> uncovering the molecular mechanisms governing enhancer-promoter communication and discuss the current understanding of developmental gene regulation. The functions of protein acetylation, pausing of RNA polymerase II, transcriptional bursting, and the formation of nuclear hubs in the induction of tissue-specific programs of transcription during zygotic genome activation are considered.</p>","PeriodicalId":94228,"journal":{"name":"The International journal of developmental biology","volume":" ","pages":"169-188"},"PeriodicalIF":0.0,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141312703","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Enhancement of neural crest formation by mechanical force in Xenopus development. 爪蟾发育过程中机械力对神经嵴形成的促进作用
The International journal of developmental biology Pub Date : 2024-01-01 DOI: 10.1387/ijdb.230273tm
Toki Kaneshima, Masaki Ogawa, Takayoshi Yamamoto, Yosuke Tsuboyama, Yuki Miyata, Takahiro Kotani, Takaharu Okajima, Tatsuo Michiue
{"title":"Enhancement of neural crest formation by mechanical force in <i>Xenopus</i> development.","authors":"Toki Kaneshima, Masaki Ogawa, Takayoshi Yamamoto, Yosuke Tsuboyama, Yuki Miyata, Takahiro Kotani, Takaharu Okajima, Tatsuo Michiue","doi":"10.1387/ijdb.230273tm","DOIUrl":"https://doi.org/10.1387/ijdb.230273tm","url":null,"abstract":"<p><p>In vertebrate development, ectoderm is specified into neural plate (NP), neural plate border (NPB), and epidermis. Although such patterning is thought to be achieved by molecular concentration gradients, it has been revealed, mainly by <i>in vitro</i> analysis, that mechanical force can regulate cell specification. During <i>in vivo</i> patterning, cells deform and migrate, and this applies force to surrounding tissues, shaping the embryo. However, the role of mechanical force for cell specification <i>in vivo</i> is largely unknown. In this study, with an aspiration assay and atomic force microscopy, we have demonstrated that tension on ectodermal cells decreases laterally from the midline in <i>Xenopus</i> early neurula. Ectopically applied force laterally expanded the neural crest (NC) region, a derivative of the NPB, whereas force relaxation suppressed it. Furthermore, force application activated both the FGF and Wnt pathways, which are required for NC formation during neuroectodermal patterning. Taken together, mechanical force is necessary for NC formation in order to regulate signaling pathways. Furthermore, molecular signals specify the NP and generate force on neighboring tissue, the NPB, with its closure. This force activates signals, possibly determining the appropriate width of a narrow tissue, the NC.</p>","PeriodicalId":94228,"journal":{"name":"The International journal of developmental biology","volume":"68 1","pages":"25-37"},"PeriodicalIF":0.0,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140874318","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Understanding megasporogenesis through model plants: contemporary evidence and future insights. 通过模式植物了解巨孢子发生:当代证据和未来见解。
The International journal of developmental biology Pub Date : 2024-01-01 DOI: 10.1387/ijdb.230222mk
Inderdeep Kaur, Renu Kathpalia, Monika Koul
{"title":"Understanding megasporogenesis through model plants: contemporary evidence and future insights.","authors":"Inderdeep Kaur, Renu Kathpalia, Monika Koul","doi":"10.1387/ijdb.230222mk","DOIUrl":"https://doi.org/10.1387/ijdb.230222mk","url":null,"abstract":"<p><p>The megasporangium serves as a model system for understanding the concept of individual cell identity, and cell-to-cell communication in angiosperms. As development of the ovule progresses, three distinct layers, the epidermal (L1), the subepidermal or the hypodermal (L2) and the innermost layers (L3) are formed along the MMC (megaspore mother cell). The MMC, which is the primary female germline cell, is initiated as a single subepidermal cell amongst several somatic cells. MMC development is governed by various regulatory pathways involving intercellular signaling, small RNAs and DNA methylation. The programming and reprograming of a single nucellar cell to enter meiosis is governed by 'permissive' interacting processes and factors. Concomitantly, several nucellar sister cells are prevented from germline fate also by a set of 'repressive' factors. However, in certain angiosperms, anomalies in development of the female gametophyte have been observed. The sporophytic tissue surrounding the female gametophyte affects the gametophyte in multiple ways. The role of genes and transcription factors in the development of the MMC and in the regulation of various processes studied in selected model plants such as <i>Arabidopsis</i> is explained in detail in this paper. However, as angiosperms display enormous diversity, it is important to investigate early stages of megasporogenesis in other plant systems as well. Such studies provide valuable insights in understanding the regulation of megasporogenesis and the evolution of the female gametophyte from gymnosperms to flowering plants.</p>","PeriodicalId":94228,"journal":{"name":"The International journal of developmental biology","volume":"68 1","pages":"9-17"},"PeriodicalIF":0.0,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140874161","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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