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Mechanical stress-induced Hippo signaling in respect to primordial follicle development and polycystic ovary syndrome pathogenesis 机械应力诱导的河马信号在原始卵泡发育和多囊卵巢综合征发病机制中的作用
IF 0.8 4区 医学 Q4 OBSTETRICS & GYNECOLOGY Pub Date : 2022-04-26 DOI: 10.1097/RD9.0000000000000009
Lang Xia, Jing Du
Abstract Polycystic ovary syndrome (PCOS) is a heterogeneous reproductive disease that can cause infertility. The Hippo signaling pathway, a network highly conserved throughout evolution, maintains the balance between follicle proliferation and dormancy. Dynamic changes in primordial follicles cannot occur without the participation of biological signals and mechanical force; however, little is known about the mechanism by which biomechanical signaling triggers PCOS, especially in the context of primordial follicle development. To investigate the contribution of mechanical stress and the Hippo signaling pathway to the onset of PCOS, we searched the literature via the PubMed database, and inclusion and exclusion criteria were established to ensure the rigor of this research. We eventually included 54 publications in which Hippo signaling and mechanical force were suggested to play a vital role in the development of primordial follicles as well as elucidate the pathogenesis of PCOS. The Hippo pathway modulating follicle growth can be perturbed via extracellular mechanical stress caused by the stiff ovarian cortical environment in PCOS. Clinical intervention targeting the Hippo pathway can alter the activity of core Hippo members, such as the Yes-associated protein/transcriptional co-activator PDZ-binding motif complex. In some patients with PCOS, follicle overactivation can be attributed to the dysfunction of Hippo signal transduction. PCOS, a condition with various patterns, cannot be accurately explained by a single, specific mechanism. The present review identifies potential targets and therapeutic strategies for PCOS.
摘要多囊卵巢综合征(PCOS)是一种可导致不孕的异质性生殖疾病。Hippo信号通路是一个在进化过程中高度保守的网络,它维持毛囊增殖和休眠之间的平衡。原始卵泡的动态变化离不开生物信号和机械力的参与;然而,人们对生物力学信号触发多囊卵巢综合征的机制知之甚少,尤其是在原始卵泡发育的背景下。为了研究机械应力和Hippo信号通路对多囊卵巢综合征发病的影响,我们通过PubMed数据库检索了文献,并建立了纳入和排除标准,以确保本研究的严谨性。我们最终纳入了54篇出版物,其中Hippo信号和机械力被认为在原始卵泡的发育中起着至关重要的作用,并阐明了多囊卵巢综合征的发病机制。在多囊卵巢综合征中,调节卵泡生长的Hippo通路可通过卵巢皮质环境僵硬引起的细胞外机械应力而受到干扰。针对Hippo通路的临床干预可以改变Hippo核心成员的活性,如Yes相关蛋白/转录共激活剂PDZ结合基序复合物。在一些多囊卵巢综合征患者中,卵泡过度激活可归因于Hippo信号转导功能障碍。多囊卵巢综合征是一种具有多种模式的疾病,不能用单一的特定机制来准确解释。本综述确定了多囊卵巢综合征的潜在靶点和治疗策略。
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引用次数: 0
Year-end academic review of 2021: Advances in the field of birth defect prevention and control in China as of 2021 2021年末学术综述:截至2021年我国出生缺陷防治领域进展
IF 0.8 4区 医学 Q4 OBSTETRICS & GYNECOLOGY Pub Date : 2022-03-01 DOI: 10.1097/rd9.0000000000000011
He-feng Huang
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引用次数: 1
Source of human oocytes for infertility treatment and fertility preservation 用于不孕症治疗和保存生育能力的人卵母细胞来源
IF 0.8 4区 医学 Q4 OBSTETRICS & GYNECOLOGY Pub Date : 2022-03-01 DOI: 10.1097/RD9.0000000000000007
R. Chian
Abstract The source of human oocytes is directly associated with the success of infertility treatment and fertility preservation. The number of oocytes obtained is possibly correlated with the success rate in terms of live birth rates. However, oocyte quality must be refined such that the number of oocytes is not positively correlated with the quality of oocytes. Different ovarian stimulation protocols can be used to obtain numerous oocytes. However, oocyte quality should be considered the most important factor affecting infertility treatment and fertility preservation. Infertile women are generally willing to take health-related risks to achieve a live birth, and ovarian stimulation using high-dose hormonal treatments may be harmful for both women and infants. Therefore, successful infertility treatment and fertility preservation should be defined as the birth of a healthy baby at term without compromising the health and safety of the mother and infant. Therefore, the source of high-quality oocytes must be carefully considered prior to infertility treatment and fertility preservation.
摘要人卵母细胞的来源直接关系到不孕症的治疗和生育能力的保存。获得的卵母细胞数量可能与活产率的成功率有关。然而,卵母细胞的质量必须加以改进,使卵母细胞的数量与卵母细胞的质量不是正相关的。不同的卵巢刺激方案可用于获得大量卵母细胞。然而,卵母细胞质量应被认为是影响不孕症治疗和生育能力保存的最重要因素。不孕妇女通常愿意冒与健康相关的风险来实现活产,使用大剂量激素治疗卵巢刺激可能对妇女和婴儿都有害。因此,成功的不孕症治疗和保留生育能力应被定义为在不损害母婴健康和安全的情况下足月生下健康婴儿。因此,在不孕症治疗和保存生育能力之前,必须仔细考虑高质量卵母细胞的来源。
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引用次数: 4
Effect of vitrification on clinical outcomes of cleavage-stage embryos with poor quality in human embryo cryopreservation 玻璃化对低温保存质量差的卵裂期胚胎临床结果的影响
IF 0.8 4区 医学 Q4 OBSTETRICS & GYNECOLOGY Pub Date : 2022-03-01 DOI: 10.1097/RD9.0000000000000004
Tao Liu, Y. Lian, Ping Liu, Rong Li, Jie Yan, J. Qiao
Abstract Objective: To evaluate the effect of morphologic factors on survival rate (SR), pregnancy rate (PR), and implantation rate (IR) of human embryo vitrification following frozen embryo transfer (FET) on day 3 post-ovulation. Methods: Women undergoing FET (n = 921) with embryos cryopreserved by vitrification between 2012 and 2013 were enrolled in this retrospective cohort study. Results: Embryos with >9 blastomeres yielded the highest SR of 100%. Lower SR was observed in embryos with 5 to 6 (57.5%) and 4 blastomeres (41.4%). In terms of blastomere symmetry, the SR of embryos with equally sized blastomeres was significantly higher than that of embryos with unequally sized cells (82.5% vs. 64.6%, P < 0.05). As fragmentation increased, SR decreased from 92.1% to 20.6% (P < 0.05). Significant differences were observed among groups when analyzing PR and IR according to the 3 embryonic parameters before vitrification. Embryos with 13 to 16 blastomeres yielded the highest PR (39.5%) and IR (24.1%). The PR and IR of embryos with blastomeres of equal size were significantly higher than those with unequally sized blastomeres (36.5% vs. 21.7%, 23.7% vs. 12.4%, P < 0.05). After warming, embryos with 13 to 16 blastomeres yielded the highest PR and IR (40.9% and 24.2%, respectively). The PR and IR were observed to grow with an increase in the percentage of intact blastomeres (23.2%-38.2%, 14.2%-23.2%). Conclusions: These results show that vitrification methods do not effectively improve survival outcomes for embryos of poor quality and it is needed to develop a comprehensive vitrification protocol that considers all the practical aspects, including the current limitation regarding cleavage-stage embryos of poor quality.
摘要目的:探讨形态学因素对冷冻胚胎移植(FET)后第3天人胚胎玻璃化冷冻保存的存活率(SR)、妊娠率(PR)和着床率(IR)的影响。方法:本回顾性队列研究纳入了2012年至2013年间接受FET手术并通过玻璃化冷冻保存胚胎的女性(n=921)。结果:9个以上卵裂球的胚胎SR最高,达100%。在具有5至6个(57.5%)和4个卵裂球(41.4%)的胚胎中观察到较低的SR。就卵裂球对称性而言,具有相同大小卵裂球的胚胎的SR显著高于具有不同大小细胞的胚胎(82.5%对64.6%,P<0.05),SR从92.1%下降到20.6%(P<0.05),根据玻璃化前的3个胚胎参数分析PR和IR,各组间差异有统计学意义。具有13至16个卵裂球的胚胎产生最高的PR(39.5%)和IR(24.1%)。具有相同大小的卵裂球胚胎的PR和IR显著高于具有不同大小的卵裂球的胚胎(36.5%对21.7%,23.7%对12.4%,P<0.05)。PR和IR随着完整卵裂球百分比的增加而增长(23.2%-38.2%,14.2%-23.2%),包括目前关于质量差的卵裂期胚胎的限制。
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引用次数: 0
Role of fatty acids and calcium in male reproduction 脂肪酸和钙在雄性生殖中的作用
IF 0.8 4区 医学 Q4 OBSTETRICS & GYNECOLOGY Pub Date : 2022-03-01 DOI: 10.1097/RD9.0000000000000003
Taniya Naz, Srinjoy Chakraborty, S. Saha
Abstract Both fatty acids (FAs) and calcium ions play important roles in contraceptive cycles via several systems. Polyunsaturated FAs (PUFAs) act as precursors for prostaglandin production and can alter the expression of numerous crucial catalysts that are involved in prostaglandin and steroid digestion. Lipids are essential components of cell membranes. A diet rich in PUFAs enhances sperm motility and viability. It also improves testis development and spermatogenesis in several domesticated animal species. Increased PUFA content in spermatozoa increases plasma membrane fluidity, which is important for fertilization. However, the major drawback of high dietary PUFA intake is that it increases the levels of reactive oxygen species in the body. An increase in reactive oxygen species levels markedly affects fertility. Calcium is an important component that acts as an intra-cellular secondary messenger and plays an important role in some of the physiological processes that occur in male gametes. Some of these processes include spermatogenesis, sperm motility, capacitation, acrosome response, and fusion of gametes. These processes are associated with calcium influx through ion protein channels. Dietary fat intake is associated with increased intestinal calcium absorption. In this review, we discuss the impact of lipids, particularly PUFAs and monounsaturated FAs, and calcium ions on male reproduction, along with their effects on each other.
摘要脂肪酸和钙离子通过多种系统在避孕周期中发挥着重要作用。多不饱和脂肪酸(PUFA)作为前列腺素生产的前体,可以改变参与前列腺素和类固醇消化的许多关键催化剂的表达。脂质是细胞膜的重要组成部分。富含PUFA的饮食可以增强精子的活力和活力。它还改善了几种驯养动物的睾丸发育和精子发生。精子中PUFA含量的增加增加了质膜的流动性,这对受精很重要。然而,高膳食PUFA摄入的主要缺点是它会增加体内活性氧的水平。活性氧含量的增加显著影响生育能力。钙是一种重要的成分,作为细胞内的第二信使,在雄配子的一些生理过程中发挥着重要作用。其中一些过程包括精子发生、精子运动、获能、顶体反应和配子融合。这些过程与通过离子蛋白通道的钙内流有关。膳食脂肪摄入与肠道钙吸收增加有关。在这篇综述中,我们讨论了脂质,特别是PUFA和单不饱和FA,以及钙离子对雄性生殖的影响,以及它们之间的相互影响。
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引用次数: 2
How fertility preservation guidelines have progressed worldwide: Potential implications and inspiration 生育保护指南在世界范围内的进展:潜在影响和启示
IF 0.8 4区 医学 Q4 OBSTETRICS & GYNECOLOGY Pub Date : 2022-03-01 DOI: 10.1097/RD9.0000000000000010
Minxin Chen, Ying Zhang, Qingqing Cai, Shuo Zhang, R. Xu, Hua Chen, Yuan-yuan Kang, Yue Wu, R. Chian, Cong-jian Xu
Abstract To summarize fertility preservation (FP) guidelines and consensus provided by medical facilities worldwide. Five reference databases (PubMed/Embase, China BioMedical Literature Database, ClinicalKey, Wanfang Data, and China Knowledge Resource Integrated) and 7 guideline databases (Guideline International Network, National Collaborating Centre for Women's and Children's Health, National Guideline Clearinghouse, The National Institute for Health and Care Excellence, Scottish Intercollegiate Guidelines Network, New Zealand Guideline Group, and Canadian Medical Association infobase) were searched. Official websites of societies were searched to find relevant guidelines and consensus, and guidelines and published systematic reviews and consensus were reviewed from inception through May 2021. A literature search was performed regarding guidance offered in professional facilities, and 304 records (including 4 in Chinese) of existing guidelines for full-text review were found. Moreover, 55 guidelines were identified after a manual search. The literature review demonstrated that FP guidance and options were unevenly distributed worldwide for women who wanted to post-pone pregnancy or had impaired fertility after gonadal toxicity. With promising cancer survival rates and diversified family decisions, more attention should be paid to the improvement and update of accessible guidelines and regulatory infrastructure to inform patients about the available options and empower them to make informed choices. Restrictions to such services can be gradually eased due to the efficacy and safety of certain FP techniques for the right candidates to initiate pregnancy conception.
摘要总结世界各地医疗机构提供的生育保存(FP)指南和共识。5个参考数据库(PubMed/Ebase、中国生物医学文献数据库、ClinicalKey、万方数据和中国知识资源整合)和7个指南数据库(指南国际网络、国家妇女儿童健康合作中心、国家指南信息交换所、国家健康与护理卓越研究所、苏格兰校际指南网络、新西兰指南小组和加拿大医学协会信息库)进行了搜索。搜索学会的官方网站以找到相关的指导方针和共识,并从成立到2021年5月对指导方针和已发表的系统审查和共识进行了审查。对专业机构提供的指南进行了文献检索,发现304份现有指南的记录(包括4份中文),用于全文审查。此外,经过人工搜索,确定了55条准则。文献综述表明,对于想要推迟妊娠或性腺毒性后生育能力受损的女性,FP指导和选择在全球范围内分布不均。随着癌症存活率的提高和家庭决策的多样化,应更多地关注改进和更新可获得的指导方针和监管基础设施,以告知患者可用的选择,并使他们能够做出知情的选择。由于某些FP技术的有效性和安全性,可以逐步放宽对此类服务的限制,使合适的候选人开始怀孕。
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引用次数: 1
Character of cell-free genomic DNA in embryo culture medium and the prospect of its clinical application in preimplantation genetic testing 胚胎培养基中游离基因组DNA的特征及其在胚胎着床前基因检测中的临床应用前景
IF 0.8 4区 医学 Q4 OBSTETRICS & GYNECOLOGY Pub Date : 2022-03-01 DOI: 10.1097/RD9.0000000000000002
Caixia Lei, Xiaoxing Sun
Abstract There is increasing evidence that cell-free DNA (cfDNA) in spent culture media (SCM) can be amplified for genetic testing. Therefore, this paper reviews the characteristics of cfDNA, including its fragment size, amount, origin, as well as some factors affecting the success rate of its amplification, together to provide researchers with a more comprehensive perspective on embryonic cfDNA. The origin of cfDNA in SCM is complicated and poses challenges to the interpretation of genetic test results. Advanced molecular techniques should distinguish between embryonic and contaminated DNA to maximize the success rate of amplification and analysis. Recent data showed that the type of culture medium, assisted hatching or not, the type of amplification kit, and fresh or thawed embryos were not related to the success rate of amplification, but the length of culture time might affect the success rate. The longer culture time, the more cfDNA is available in the SCM. Then we focused on the concordance between trophectoderm (TE), inner cell mass, whole embryo, and embryonic cfDNA. Despite successful amplification, the concordance between TE and embryonic cfDNA was low. In summary, non-invasive genetic testing using SCM could represent a major advance in future single embryo selection, however, contamination and timing for media collection are key factors affecting the results, and current noninvasive cfDNA testing should not be directly applied to clinical practice. Further research is needed to improve the methods used for testing techniques and genetic analysis to achieve greater accuracy and trace its origins before it can be used in the clinics.
越来越多的证据表明,废培养基(SCM)中的游离细胞DNA (cfDNA)可以被扩增用于基因检测。因此,本文综述了cfDNA的特点,包括其片段大小、数量、来源以及影响其扩增成功率的一些因素,以期为研究者对胚胎cfDNA的研究提供一个更全面的视角。SCM中cfDNA的起源复杂,对基因检测结果的解释提出了挑战。先进的分子技术应该区分胚胎DNA和受污染的DNA,以最大限度地提高扩增和分析的成功率。最近的数据显示,培养基类型、是否辅助孵化、扩增试剂盒类型、新鲜或解冻胚胎与扩增成功率无关,但培养时间的长短可能影响扩增成功率。培养时间越长,SCM中可获得的cfDNA越多。然后我们重点研究了滋养外胚层(TE)、内细胞团、全胚和胚胎cfDNA之间的一致性。尽管成功扩增,但TE与胚胎cfDNA的一致性较低。总之,使用SCM进行无创基因检测可能代表着未来单胚胎选择的重大进步,然而,污染和培养基收集时间是影响结果的关键因素,目前的无创cfDNA检测不应直接应用于临床实践。需要进一步的研究来改进用于检测技术和基因分析的方法,以便在将其用于临床之前达到更高的准确性并追踪其起源。
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引用次数: 1
Executive Editor-in-Chief's introduction for This Special Issue 本期特刊执行主编介绍
IF 0.8 4区 医学 Q4 OBSTETRICS & GYNECOLOGY Pub Date : 2022-03-01 DOI: 10.1097/rd9.0000000000000008
R. Chian
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引用次数: 0
Mechanism of the Salvia miltiorrhiza-Codonopsis pilosula drug pair in the treatment of premature ovarian failure based on network pharmacology-molecular docking 基于网络药理学-分子对接的丹参党参药物对治疗卵巢早衰的机制研究
IF 0.8 4区 医学 Q4 OBSTETRICS & GYNECOLOGY Pub Date : 2022-03-01 DOI: 10.1097/RD9.0000000000000001
Ruijie Ni, Li-jun Dong, Hongli Huang, Yanqiu Xia
Abstract Objective: Premature ovarian failure (POF) is a disease characterized by irregular menstruation and results in infertility which markedly affects the reproductive health of women. The Salvia miltiorrhiza-Codonopsis pilosula drug pair is effective at treating POF; however, knowledge of the mechanisms of S. miltiorrhiza-C. pilosula in the treatment of POF is lacking. Thus, we carried out network pharmacology and molecular docking to clarify the mechanisms of this drug pair. Methods: The core components and targets of S. miltiorrhiza-C. pilosula were obtained using the Traditional Chinese Medicine Systems Pharmacology Database and Analysis Platform (TCMSP) database and UniProt database, and the disease targets related to POF were searched using different tools to obtain the overlapping target genes of S. miltiorrhiza and C. pilosula. A protein interaction network of the intersection target was constructed using STRING database, and the network of “traditional Chinese medicine-active ingredient-intersection target-disease” and “pathways-targets” was constructed using Cytoscape 3.8.0. The DAVID online tool was also used to determine the gene ontology functions and Kyoto Encyclopedia of Genes and Genomes pathways associated with the intersection target genes. Finally, the binding ability of the drug to the active components and potential targets were predicted using molecular docking. Results: S. miltiorrhizae-C. pilosula had 72 active components, 128 targets, 3,775 POF targets, and 106 common targets. The potential targets were mainly related to the biological processes of DNA-binding transcription factor binding, RNA polymerase II-specific DNA-binding transcription factor binding, transcription factor activity, steroid receptor activity, and hypoxia response. Further, the Kyoto Encyclopedia of Genes and Genomes enrichment pathways included PI3K-Akt signaling pathway, apoptosis, interleukin (IL)-17 signaling pathway, relaxin signaling pathway, and other biological pathways. Conclusion(s): S. miltiorrhiza-C. pilosula can inhibit ovarian granulosa cell apoptosis and improve ovarian hemodynamics through multiple targets and multiple pathways and help treat POF.
摘要目的:卵巢早衰(POF)是一种以月经不规律为特征,导致不孕的疾病,严重影响妇女的生殖健康。丹参-党参药物对治疗POF有效;然而,对丹参c的作用机制的了解较少。在POF的治疗中缺乏党参。为此,我们开展了网络药理学和分子对接来阐明该药物对的作用机制。方法:对丹参的核心成分和靶点进行分析。利用中药系统药理学数据库和分析平台(TCMSP)数据库和UniProt数据库,检索与POF相关的疾病靶点,获得丹参与党参重叠的靶基因。使用STRING数据库构建交叉靶点蛋白相互作用网络,使用Cytoscape 3.8.0构建“中药-活性成分-交叉靶点-疾病”和“通路-靶点”网络。还使用DAVID在线工具确定与交叉靶基因相关的基因本体功能和京都基因与基因组百科全书通路。最后,利用分子对接方法预测药物与活性成分和潜在靶点的结合能力。结果:丹参;海参有72个有效成分,128个目标,3775个POF目标和106个普通目标。潜在靶点主要与dna结合转录因子结合、RNA聚合酶ii特异性dna结合转录因子结合、转录因子活性、类固醇受体活性、缺氧反应等生物学过程有关。此外,京都基因和基因组百科全书富集途径包括PI3K-Akt信号通路、细胞凋亡、白细胞介素(IL)-17信号通路、松弛素信号通路等生物学途径。结论:丹参;党参通过多靶点、多途径抑制卵巢颗粒细胞凋亡,改善卵巢血流动力学,有助于治疗POF。
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引用次数: 0
Chinese expert consensus on clinical practice of female fertility preservation 中国保存女性生育能力临床实践专家共识
IF 0.8 4区 医学 Q4 OBSTETRICS & GYNECOLOGY Pub Date : 2022-03-01 DOI: 10.1097/rd9.0000000000000006
Wen Li, R. Chian
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引用次数: 2
期刊
Reproductive and Developmental Medicine
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