Organogenesis最新文献

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Celastrol enhances Atoh1 expression in inner ear stem cells and promotes their differentiation into functional auditory neuronal-like cells. Celastrol增强内耳干细胞中Atoh1的表达,促进其向功能性听觉神经元样细胞分化。
IF 2.3 4区 生物学
Organogenesis Pub Date : 2018-01-01 Epub Date: 2018-06-14 DOI: 10.1080/15476278.2018.1462433
Zhao Han, Yu-Yan Gu, Ning Cong, Rui Ma, Fang-Lu Chi
{"title":"Celastrol enhances Atoh1 expression in inner ear stem cells and promotes their differentiation into functional auditory neuronal-like cells.","authors":"Zhao Han,&nbsp;Yu-Yan Gu,&nbsp;Ning Cong,&nbsp;Rui Ma,&nbsp;Fang-Lu Chi","doi":"10.1080/15476278.2018.1462433","DOIUrl":"https://doi.org/10.1080/15476278.2018.1462433","url":null,"abstract":"<p><p>We aimed to investigate the beneficial effect of Celastrol on inner ear stem cells and potential therapeutic value for hearing loss. The inner ear stem cells were isolated and characterized from utricular sensory epithelium of adult mice. The stemness was evaluated by sphere formation assay. The relative expressions of Atoh1, MAP-2 and Myosin VI were measured by RT-PCR and immunoblotting. The up-regulation of MAP-2 was also analysed with immunofluorescence. The in vitro neuronal excitability was interrogated by calcium oscillation. The electrophysiological property was determined by inward current recorded on patch clamp. Our results demonstrated that Celastrol treatment significantly improved the viability and proliferation of mouse inner ear stem cells, and facilitated sphere formation. Moreover, Celastrol stimulated differentiation of mouse inner ear stem cells to neuronal-like cells and enhanced neural excitability. Celastrol also enhanced neuronal-like cell identity in the inner ear stem cell derived neurons, as well as their electrophysiological function. Most notably, these effects were apparently associated with the upregulation of Atoh1 in response to Celastrol treatment. Celastrol showed beneficial effect on inner ear stem cells and held therapeutic promise against hearing loss.</p>","PeriodicalId":19596,"journal":{"name":"Organogenesis","volume":"14 2","pages":"82-93"},"PeriodicalIF":2.3,"publicationDate":"2018-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/15476278.2018.1462433","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"36221934","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 6
Application of drug delivery systems for the controlled delivery of growth factors to treat nervous system injury. 药物递送系统在生长因子控制递送治疗神经系统损伤中的应用。
IF 2.3 4区 生物学
Organogenesis Pub Date : 2018-01-01 Epub Date: 2018-08-27 DOI: 10.1080/15476278.2018.1491183
Fukai Ma, Fan Wang, Ronggang Li, Jianhong Zhu
{"title":"Application of drug delivery systems for the controlled delivery of growth factors to treat nervous system injury.","authors":"Fukai Ma,&nbsp;Fan Wang,&nbsp;Ronggang Li,&nbsp;Jianhong Zhu","doi":"10.1080/15476278.2018.1491183","DOIUrl":"https://doi.org/10.1080/15476278.2018.1491183","url":null,"abstract":"<p><p>Nervous system injury represent the most common injury and was unique clinical challenge. Using of growth factors (GFs) for the treatment of nervous system injury showed effectiveness in halting its process. However, simple application of GFs could not achieve high efficacy because of its rapid diffusion into body fluids and lost from the lesion site. The drug delivery systems (DDSs) construction used to deliver GFs were investigated so that they could surmount its rapid diffusion and retain at the injury site. This study summarizes commonly used DDSs for sustained release of GFs that provide neuroprotection or restoration effects for nervous system injury.</p>","PeriodicalId":19596,"journal":{"name":"Organogenesis","volume":"14 3","pages":"123-128"},"PeriodicalIF":2.3,"publicationDate":"2018-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/15476278.2018.1491183","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"36432252","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
RARα and RARγ reciprocally control K5+ progenitor cell expansion in developing salivary glands. RARα和RARγ相互控制发育中唾液腺的K5+祖细胞扩增。
IF 2.3 4区 生物学
Organogenesis Pub Date : 2017-10-02 Epub Date: 2017-09-21 DOI: 10.1080/15476278.2017.1358336
Kara A DeSantis, Adam R Stabell, Danielle C Spitzer, Kevin J O'Keefe, Deirdre A Nelson, Melinda Larsen
{"title":"RARα and RARγ reciprocally control K5<sup>+</sup> progenitor cell expansion in developing salivary glands.","authors":"Kara A DeSantis, Adam R Stabell, Danielle C Spitzer, Kevin J O'Keefe, Deirdre A Nelson, Melinda Larsen","doi":"10.1080/15476278.2017.1358336","DOIUrl":"10.1080/15476278.2017.1358336","url":null,"abstract":"<p><p>Understanding the mechanisms of controlled expansion and differentiation of basal progenitor cell populations during organogenesis is essential for developing targeted regenerative therapies. Since the cytokeratin 5-positive (K5<sup>+</sup>) basal epithelial cell population in the salivary gland is regulated by retinoic acid signaling, we interrogated how isoform-specific retinoic acid receptor (RAR) signaling impacts the K5<sup>+</sup> cell population during salivary gland organogenesis to identify RAR isoform-specific mechanisms that could be exploited in future regenerative therapies. In this study, we utilized RAR isoform-specific inhibitors and agonists with murine submandibular salivary gland organ explants. We determined that RARα and RARγ have opposing effects on K5<sup>+</sup> cell cycle progression and cell distribution. RARα negatively regulates K5<sup>+</sup> cells in both whole organ explants and in isolated epithelial rudiments. In contrast, RARγ is necessary but not sufficient to positively maintain K5<sup>+</sup> cells, as agonism of RARγ alone failed to significantly expand the population. Although retinoids are known to stimulate differentiation, K5 levels were not inversely correlated with differentiated ductal cytokeratins. Instead, RARα agonism and RARγ inhibition, corresponding with reduced K5, resulted in premature lumenization, as marked by prominin-1. With lineage tracing, we demonstrated that K5<sup>+</sup> cells have the capacity to become prominin-1<sup>+</sup> cells. We conclude that RARα and RARγ reciprocally control K5<sup>+</sup> progenitor cells endogenously in the developing submandibular salivary epithelium, in a cell cycle-dependent manner, controlling lumenization independently of keratinizing differentiation. Based on these data, isoform-specific targeting RARα may be more effective than pan-RAR inhibitors for regenerative therapies that seek to expand the K5<sup>+</sup> progenitor cell pool.</p><p><strong>Summary statement: </strong>RARα and RARγ reciprocally control K5<sup>+</sup> progenitor cell proliferation and distribution in the developing submandibular salivary epithelium in a cell cycle-dependent manner while regulating lumenization independently of keratinizing differentiation.</p>","PeriodicalId":19596,"journal":{"name":"Organogenesis","volume":"13 4","pages":"125-140"},"PeriodicalIF":2.3,"publicationDate":"2017-10-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/15476278.2017.1358336","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"35428350","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 9
Regulation of proliferation in developing human tooth germs by MSX homeodomain proteins and cyclin-dependent kinase inhibitor p19INK4d. MSX同源结构域蛋白和周期蛋白依赖性激酶抑制剂p19INK4d对人牙胚增殖的调控
IF 2.3 4区 生物学
Organogenesis Pub Date : 2017-10-02 Epub Date: 2017-09-21 DOI: 10.1080/15476278.2017.1358337
Darko Kero, Katarina Vukojevic, Petra Stazic, Danijela Sundov, Snjezana Mardesic Brakus, Mirna Saraga-Babic
{"title":"Regulation of proliferation in developing human tooth germs by MSX homeodomain proteins and cyclin-dependent kinase inhibitor p19<sup>INK4d</sup>.","authors":"Darko Kero,&nbsp;Katarina Vukojevic,&nbsp;Petra Stazic,&nbsp;Danijela Sundov,&nbsp;Snjezana Mardesic Brakus,&nbsp;Mirna Saraga-Babic","doi":"10.1080/15476278.2017.1358337","DOIUrl":"https://doi.org/10.1080/15476278.2017.1358337","url":null,"abstract":"<p><p>Before the secretion of hard dental tissues, tooth germs undergo several distinctive stages of development (dental lamina, bud, cap and bell). Every stage is characterized by specific proliferation patterns, which is regulated by various morphogens, growth factors and homeodomain proteins. The role of MSX homeodomain proteins in odontogenesis is rather complex. Expression domains of genes encoding for murine Msx1/2 during development are observed in tissues containing highly proliferative progenitor cells. Arrest of tooth development in Msx knockout mice can be attributed to impaired proliferation of progenitor cells. In Msx1 knockout mice, these progenitor cells start to differentiate prematurely as they strongly express cyclin-dependent kinase inhibitor p19<sup>INK4d</sup>. p19<sup>INK4d</sup> induces terminal differentiation of cells by blocking the cell cycle in mitogen-responsive G1 phase. Direct suppression of p19<sup>INK4d</sup> by Msx1 protein is, therefore, important for maintaining proliferation of progenitor cells at levels required for the normal progression of tooth development. In this study, we examined the expression patterns of MSX1, MSX2 and p19<sup>INK4d</sup> in human incisor tooth germs during the bud, cap and early bell stages of development. The distribution of expression domains of p19<sup>INK4d</sup> throughout the investigated period indicates that p19<sup>INK4d</sup> plays active role during human tooth development. Furthermore, comparison of expression domains of p19<sup>INK4d</sup> with those of MSX1, MSX2 and proliferation markers Ki67, Cyclin A2 and pRb, indicates that MSX-mediated regulation of proliferation in human tooth germs might not be executed by the mechanism similar to one described in developing tooth germs of wild-type mouse.</p>","PeriodicalId":19596,"journal":{"name":"Organogenesis","volume":"13 4","pages":"141-155"},"PeriodicalIF":2.3,"publicationDate":"2017-10-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/15476278.2017.1358337","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"35428356","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 14
Nicotinic acid inhibits angiogenesis likely through cytoskeleton remodeling. 烟酸可能通过细胞骨架重塑抑制血管生成。
IF 2.3 4区 生物学
Organogenesis Pub Date : 2017-10-02 Epub Date: 2017-09-21 DOI: 10.1080/15476278.2017.1364829
Lemen Pan, Guanfeng Yu, Xiangjian Chen, Xiaoqiang Li
{"title":"Nicotinic acid inhibits angiogenesis likely through cytoskeleton remodeling.","authors":"Lemen Pan,&nbsp;Guanfeng Yu,&nbsp;Xiangjian Chen,&nbsp;Xiaoqiang Li","doi":"10.1080/15476278.2017.1364829","DOIUrl":"https://doi.org/10.1080/15476278.2017.1364829","url":null,"abstract":"<p><p>Angiogenesis is a physiological procedure during which the new blood vessels develop from the pre-existing vessels. Uncontrolled angiogenesis is related to various diseases including cancers. Clinical inhibition of undesired angiogenesis is still under investigation. We utilized nicotinic acid, a family member of the B-vitamin niacin (vitamin B3) that has been used in the prevention and treatment of atherosclerosis or other lipid-metabolic disorders, to treat human umbilical vein endothelial cells (HUVECs) and chick chorioallantoic membrane (CAM), and investigated its influence on angiogenesis in vitro and in vivo. We found that nicotinic acid could obviously inhibit HUVEC proliferation induced by vascular endothelial growth factor. Both the in vitro and in vivo assays showed that nicotinic acid could significantly inhibit the process of angiogenesis. To further investigate the mechanism underlying the effect of nicotinic acid on angiogenesis, we found that it might function via regulating the cytoskeleton arrangements, especially the rearranging the structures of F-actin and paxillin. In summary, we discovered that nicotinic acid could obviously inhibit the process of angiogenesis by changing the angiogenesis factor expression levels and inducing the cytoskeleton rearrangement of endothelial cells.</p>","PeriodicalId":19596,"journal":{"name":"Organogenesis","volume":"13 4","pages":"183-191"},"PeriodicalIF":2.3,"publicationDate":"2017-10-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/15476278.2017.1364829","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"35533182","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Factors and molecules that could impact cell differentiation in the embryo generated by nuclear transfer. 影响核移植胚胎细胞分化的因素和分子。
IF 2.3 4区 生物学
Organogenesis Pub Date : 2017-10-02 DOI: 10.1080/15476278.2017.1389367
Renata Simões, Arnaldo Rodrigues Santos
{"title":"Factors and molecules that could impact cell differentiation in the embryo generated by nuclear transfer.","authors":"Renata Simões,&nbsp;Arnaldo Rodrigues Santos","doi":"10.1080/15476278.2017.1389367","DOIUrl":"https://doi.org/10.1080/15476278.2017.1389367","url":null,"abstract":"<p><p>Somatic cell nuclear transfer is a technique to create an embryo using an enucleated oocyte and a donor nucleus. Nucleus of somatic cells must be reprogrammed in order to participate in normal development within an enucleated egg. Reprogramming refers to the erasing and remodeling of cellular epigenetic marks to a lower differentiation state. Somatic nuclei must be reprogrammed by factors in the oocyte cytoplasm to a rather totipotent state since the reconstructed embryo must initiate embryo development from the one cell stage to term. In embryos reconstructed by nuclear transfer, the donor genetic material must respond to the cytoplasmic environment of the cytoplast and recapitulate this normal developmental process. Enucleation is critically important for cloning efficiency because may affect the ultrastructure of the remaining cytoplast, thus resulting in a decline or destruction of its cellular compartments. Nonetheless, the effects of in vitro culturing are yet to be fully understood. In vitro oocyte maturation can affect the abundance of specific transcripts and are likely to deplete the developmental competence. The epigenetic modifications established during cellular differentiation are a major factor determining this low efficiency as they act as epigenetic barriers restricting reprogramming of somatic nuclei. In this review we discuss some factors that could impact cell differentiation in embryo generated by nuclear transfer.</p>","PeriodicalId":19596,"journal":{"name":"Organogenesis","volume":"13 4","pages":"156-178"},"PeriodicalIF":2.3,"publicationDate":"2017-10-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/15476278.2017.1389367","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"35598018","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Upper limb hemimelia in a twin pregnancy which was obtained by an ICSI and PGD in a woman with mosaic Turner's syndrome and the prognosis. 通过ICSI和PGD获得的双胎妊娠的上肢偏瘫及其预后。
IF 2.3 4区 生物学
Organogenesis Pub Date : 2017-10-02 Epub Date: 2017-09-21 DOI: 10.1080/15476278.2017.1358842
Ahter Tanay Tayyar, Ahmet Tayyar, Ahmet Eser, Çetin Kılıçcı, İlter Yenidede, Selçuk Selçuk
{"title":"Upper limb hemimelia in a twin pregnancy which was obtained by an ICSI and PGD in a woman with mosaic Turner's syndrome and the prognosis.","authors":"Ahter Tanay Tayyar,&nbsp;Ahmet Tayyar,&nbsp;Ahmet Eser,&nbsp;Çetin Kılıçcı,&nbsp;İlter Yenidede,&nbsp;Selçuk Selçuk","doi":"10.1080/15476278.2017.1358842","DOIUrl":"https://doi.org/10.1080/15476278.2017.1358842","url":null,"abstract":"<p><p>Turner's syndrome (TS) is depicted as a total or partial absence of X chromosome, and occurs in approximately 1/2200 of live born females. Generally, mosaic patients are diagnosed following karyotype analysis due to recurrent pregnancy loss, repeated in vitro fertilization (IVF) failure, and a history of malformed babies. The purpose of this case report is to show that even a selection of normal karyotype embryos can result in abnormalities for those with mosaic TS. A 32-year old patient who underwent IVF after ICSI-PGD, and was diagnosed with 45X/46XX karyotype. At the 12-week scan, one of the fetuses had an upper limb hemimelia in one arm, and feticide was applied to that fetus. The patient delivered a healthy, 2980 g female baby at the thirty-eighth week. In mosaic TS pregnancies (even those obtained by ICSI-PGD), fetal anomaly risk is high. Therefore, careful prenatal scanning is needed for these pregnancies.</p>","PeriodicalId":19596,"journal":{"name":"Organogenesis","volume":"13 4","pages":"179-182"},"PeriodicalIF":2.3,"publicationDate":"2017-10-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/15476278.2017.1358842","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"35430414","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The effect of a silk Fibroin/Polyurethane blend patch on rat Vessels. 丝素/聚氨酯共混贴片对大鼠血管的影响。
IF 2.3 4区 生物学
Organogenesis Pub Date : 2017-10-02 Epub Date: 2017-09-21 DOI: 10.1080/15476278.2017.1344376
Kazumi Shimada, Akira Higuchi, Ryota Kubo, Tomoaki Murakami, Yasumoto Nakazawa, Ryou Tanaka
{"title":"The effect of a silk Fibroin/Polyurethane blend patch on rat Vessels.","authors":"Kazumi Shimada,&nbsp;Akira Higuchi,&nbsp;Ryota Kubo,&nbsp;Tomoaki Murakami,&nbsp;Yasumoto Nakazawa,&nbsp;Ryou Tanaka","doi":"10.1080/15476278.2017.1344376","DOIUrl":"https://doi.org/10.1080/15476278.2017.1344376","url":null,"abstract":"<p><p>Patch grafts are widely used in various kind of vascular surgeries such as detect repair or dilation of vascular stenosis. Expanded polytetrafluoroethylene (ePTFE) patches are flexible and handle well, but have shown problems with calcification as they are non-bioabsorbable and therefore permanently remain in the body. It is important to develop an alternative biocompatible patch. Silk fibroin (SF) was developed as a biocompatible material, but it lacks of the elasticity required for surgery as a patch. Polyurethane (PU) is also a well-known elastomer so this study focused on the SF and the PU blend materials with a weight ratio of 5:5 (SF/PU). To evaluate the SF/PU patch, the patches were implanted into the abdominal aortas of rats, using the ePTFE patch in the control group. Because it was more flexible the SF/PU patch was easier to implant than the ePTFE patch. At 1 week after implantation, the SF/PU patch had been infiltrated with cells and collagen fiber. The ePTFE control patch did not accumulate collagen fiber until 3 months and calcification occurred at 4 weeks. The SF/PU patch did not present any signs of calcification for 3 months. This study addressed the problems associated with using SF in isolation and showed that the SF/PU patch can be considered as a useful alternative to the ePTFE to overcome the problem of calcification.</p>","PeriodicalId":19596,"journal":{"name":"Organogenesis","volume":"13 4","pages":"115-124"},"PeriodicalIF":2.3,"publicationDate":"2017-10-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/15476278.2017.1344376","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"35428347","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 18
EphB receptors, mainly EphB3, contribute to the proper development of cortical thymic epithelial cells. EphB受体,主要是EphB3,参与胸腺皮质上皮细胞的正常发育。
IF 2.3 4区 生物学
Organogenesis Pub Date : 2017-10-02 DOI: 10.1080/15476278.2017.1389368
Sara Montero-Herradón, Javier García-Ceca, Agustín G Zapata
{"title":"EphB receptors, mainly EphB3, contribute to the proper development of cortical thymic epithelial cells.","authors":"Sara Montero-Herradón,&nbsp;Javier García-Ceca,&nbsp;Agustín G Zapata","doi":"10.1080/15476278.2017.1389368","DOIUrl":"https://doi.org/10.1080/15476278.2017.1389368","url":null,"abstract":"<p><p>EphB and their ligands ephrin-B are an important family of protein tyrosine kinase receptors involved in thymocyte-thymic epithelial cell interactions known to be key for the maturation of both thymic cell components. In the present study, we have analyzed the maturation of cortical thymic epithelium in EphB-deficient thymuses evaluating the relative relevance of EphB2 and EphB3 in the process. Results support a relationship between the epithelial hypocellularity of mutant thymuses and altered development of thymocytes, lower proportions of cycling thymic epithelial cells and increased epithelial cell apoptosis. Together, these factors induce delayed development of mutant cortical TECs, defined by the expression of different cell markers, i.e. Ly51, CD205, MHCII, CD40 and β5t. Furthermore, although both EphB2 and EphB3 are necessary for cortical thymic epithelial maturation, the relevance of EphB3 is greater since EphB3-/- thymic cortex exhibits a more severe phenotype than that of EphB2-deficient thymuses.</p>","PeriodicalId":19596,"journal":{"name":"Organogenesis","volume":"13 4","pages":"192-211"},"PeriodicalIF":2.3,"publicationDate":"2017-10-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/15476278.2017.1389368","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"35510082","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 8
Endometriosis origin from primordial germ cells. 子宫内膜异位症起源于原始生殖细胞。
IF 2.3 4区 生物学
Organogenesis Pub Date : 2017-07-03 Epub Date: 2017-05-09 DOI: 10.1080/15476278.2017.1323162
Zograb Makiyan
{"title":"Endometriosis origin from primordial germ cells.","authors":"Zograb Makiyan","doi":"10.1080/15476278.2017.1323162","DOIUrl":"https://doi.org/10.1080/15476278.2017.1323162","url":null,"abstract":"<p><p>Endometriosis is defined by the presence of endometrial ectopia. Multiple hypotheses have been postulated to explain the etiology of endometriosis to understand various clinical evidences. The etiology of endometriosis is still unclear.The primary question to understanding the etiology of endometrial ectopia (endometriosis) is determining the origin of eutopic (normally cited) endometrium.According to the new theory, primordial germ cells migrate from hypoblast (yolk sac close to the allantois) to the gonadal ridges. The gonadal ridges which composed of primordial germ cells derive to the: eutopic endometrium, ovary, ovarian ligament and ligamentum teres uteri.There are 2 principal processes in uterine organogenesis: the intersection of gonadal ridges with mesonephral ducts to form the uterine folds with an endometrial cavity and the fusion of the both uterine folds together to form the unicavital (normal) uterus. In the uterine folds there are closer cell-to-cell communications, polypotential germ cells differentiate and grow into myometrium and endometrial layers.Some of the polypotential germ cells fail to reach the ridges and stay in the peritoneal cavity, where they may be transforming into external endometrial heterotopies.The main insight in the etiology of endometriosis is polypotential germ cells origin, which may explain its potency, pathogenesis and expansion.</p>","PeriodicalId":19596,"journal":{"name":"Organogenesis","volume":"13 3","pages":"95-102"},"PeriodicalIF":2.3,"publicationDate":"2017-07-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/15476278.2017.1323162","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"34978827","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 27
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