JBRA assisted reproduction最新文献

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Taurine induces autophagy and inhibits oxidative stress in mice Leydig cells. 牛磺酸诱导小鼠间质细胞自噬并抑制氧化应激。
IF 1.5
JBRA assisted reproduction Pub Date : 2020-07-14 DOI: 10.5935/1518-0557.20190079
Shokofeh Yahyavy, Armita Valizadeh, Ghasem Saki, Layasadat Khorsandi
{"title":"Taurine induces autophagy and inhibits oxidative stress in mice Leydig cells.","authors":"Shokofeh Yahyavy,&nbsp;Armita Valizadeh,&nbsp;Ghasem Saki,&nbsp;Layasadat Khorsandi","doi":"10.5935/1518-0557.20190079","DOIUrl":"https://doi.org/10.5935/1518-0557.20190079","url":null,"abstract":"<p><strong>Objectives: </strong>This study evaluated taurine (TAU) effects on autophagy, apoptosis and oxidative stress in mice Leydig TM3 cells.</p><p><strong>Methods: </strong>We treated TM3 cells with TAU (100 µg/mL) or 3-Methyladenine (3-MA, an autophagy inhibitor) for 24 h, and assessed cell viability, testosterone level, oxidative stress, apoptosis, and autophagy.</p><p><strong>Results: </strong>The results showed that TAU markedly increased cell viability, testosterone levels, expression of autophagy-related genes and percentage of LC3-II-positive cells. TAU significantly reduced malondialdehyde (MDA) contents and reactive oxygen species (ROS) levels and increased the activities of SOD (superoxide dismutase) and CAT (Catalase) enzymes in the TM3 cells. TAU in the presence of autophagy inhibitor (3-MA) increased oxidative stress and decreased testosterone levels.</p><p><strong>Conclusion: </strong>The results showed that autophagy might be involved in TAU-increased testosterone levels in mice Leydig TM3 cells.</p>","PeriodicalId":520656,"journal":{"name":"JBRA assisted reproduction","volume":" ","pages":"250-256"},"PeriodicalIF":1.5,"publicationDate":"2020-07-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7365531/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"37723134","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 9
Two successful spontaneous pregnancies, single and twin, in uterus bicornis unicollis after deep infiltration endometriosis surgery. 深浸润性子宫内膜异位症术后单、双斜角成功自然妊娠2例。
IF 1.5
JBRA assisted reproduction Pub Date : 2020-07-14 DOI: 10.5935/1518-0557.20200019
Luciene K Tsukuda, Aline R Lorenzon, Tatiana Cs Bonetti, Paulo Cesar Serafini, Eduardo LA Motta, Ricardo Ma Pereira, Thais Sanches Domingues
{"title":"Two successful spontaneous pregnancies, single and twin, in uterus bicornis unicollis after deep infiltration endometriosis surgery.","authors":"Luciene K Tsukuda,&nbsp;Aline R Lorenzon,&nbsp;Tatiana Cs Bonetti,&nbsp;Paulo Cesar Serafini,&nbsp;Eduardo LA Motta,&nbsp;Ricardo Ma Pereira,&nbsp;Thais Sanches Domingues","doi":"10.5935/1518-0557.20200019","DOIUrl":"https://doi.org/10.5935/1518-0557.20200019","url":null,"abstract":"<p><p>A 26-year-old patient was admitted in our center with one year of infertility history after a miscarriage. She was diagnosed with uterus bicornis unicollis and deep infiltrating endometriosis (DIE); therefore, she underwent endometriosis focus removal surgery. After six-months, she conceived spontaneously and delivered one healthy baby. One year after the first pregnancy delivery, she conceived spontaneously and delivered twins in an extremely rare condition of uterus bicornis unicollis, of which there are only 15 cases reported worldwide. Both pregnancies were monitored every two or three weeks using ultrasonography to assess fetal growth, and cervical length was measured to assess the risk of premature delivery.</p>","PeriodicalId":520656,"journal":{"name":"JBRA assisted reproduction","volume":" ","pages":"387-390"},"PeriodicalIF":1.5,"publicationDate":"2020-07-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7365539/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"37727072","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","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 fate of surplus embryos: ethical and emotional impacts on assisted reproduction. 剩余胚胎的命运:对辅助生殖的伦理和情感影响。
IF 1.5
JBRA assisted reproduction Pub Date : 2020-07-14 DOI: 10.5935/1518-0557.20200015
Cynthia Silva Machado
{"title":"The fate of surplus embryos: ethical and emotional impacts on assisted reproduction.","authors":"Cynthia Silva Machado","doi":"10.5935/1518-0557.20200015","DOIUrl":"https://doi.org/10.5935/1518-0557.20200015","url":null,"abstract":"<p><strong>Objective: </strong>This paper looked into the findings of a survey on the ethical and emotional aspects encircling the fate of surplus embryos in Assisted Human Reproduction (AHR).</p><p><strong>Methods: </strong>Five staff members of a fertility clinic in the Brazilian State of São Paulo answered a semi-structured qualitative interview.</p><p><strong>Results: </strong>The answers alluded to the different meanings assigned to embryos by medical staff (genetic material) and couples undergoing fertility treatment (potential child). The meaning couples assigned to their embryos, along with inherent uncertainty and distress, affected the choice of what would be done to surplus embryos.</p><p><strong>Conclusion: </strong>Psychological support may be helpful to two key groups present in assisted human reproduction: clinic staff, for support in their interactions with couples; and couples in need of support and awareness on surplus embryo donation.</p>","PeriodicalId":520656,"journal":{"name":"JBRA assisted reproduction","volume":" ","pages":"310-315"},"PeriodicalIF":1.5,"publicationDate":"2020-07-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7365528/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"37763910","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Correlation between morphokinetic parameters and standard morphological assessment: what can we predict from early embryo development? A time-lapse-based experiment with 2085 blastocysts. 形态动力学参数与标准形态评估的相关性:我们可以从早期胚胎发育中预测什么?2085个囊胚的延时实验。
IF 1.5
JBRA assisted reproduction Pub Date : 2020-07-14 DOI: 10.5935/1518-0557.20190088
Catherine Jacobs, Mariana Nicolielo, Renata Erberelli, Fabiana Mendez, Marina Fanelli, Livia Cremonesi, Beatriz Aiello, Aline R Lorenzon
{"title":"Correlation between morphokinetic parameters and standard morphological assessment: what can we predict from early embryo development? A time-lapse-based experiment with 2085 blastocysts.","authors":"Catherine Jacobs,&nbsp;Mariana Nicolielo,&nbsp;Renata Erberelli,&nbsp;Fabiana Mendez,&nbsp;Marina Fanelli,&nbsp;Livia Cremonesi,&nbsp;Beatriz Aiello,&nbsp;Aline R Lorenzon","doi":"10.5935/1518-0557.20190088","DOIUrl":"https://doi.org/10.5935/1518-0557.20190088","url":null,"abstract":"<p><strong>Objectives: </strong>To evaluate the association between morphology grading and morphokinetic parameters in blastocyst stage embryos cultured in a time-lapse system.</p><p><strong>Methods: </strong>This retrospective cohort study included patients offered fertility treatment with autologous oocytes in our clinic between October 2017 and May 2019 using a time-lapse system. The embryos were morphologically graded according to the criteria developed by Gardner and Schoolcraft and their morphokinetic parameters were recorded.</p><p><strong>Results: </strong>Our results indicated that the time of pronuclei fading (tPNf), time to cleavage into two (t2), four (t4), and eight (t8) cells, and time to start of blastulation (tB) were significantly different according to the morphological quality of the blastocysts formed. In the early development stage, tPNf, t2 and t4 differed between good (AA, AB, BA, BB) and poor (CC) quality potential blastocysts. The 8-cell stage time separated embryos graded as AA blastocysts in terms of morphology from embryos graded as BB. Earlier tB correlated with higher quality embryos (AA, AB, BA).</p><p><strong>Conclusion: </strong>Our results showed that the first kinetic parameters (tPNf, t2, and t4) distinguished top-graded from low-graded blastocysts. Between top-graded blastocysts, t8 separated BB blastocysts from AA blastocysts. And finally, tB also told apart BB blastocysts from AA, AB, and BA blastocysts. These time-related parameters may be applied even in centers without time-lapse systems.</p>","PeriodicalId":520656,"journal":{"name":"JBRA assisted reproduction","volume":" ","pages":"273-277"},"PeriodicalIF":1.5,"publicationDate":"2020-07-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7365527/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"37838141","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
Obstetric outcomes after fresh versus frozen-thawed embryo transfers: A systematic review and meta-analysis. 新鲜胚胎移植与冻融胚胎移植后的产科结果:一项系统回顾和荟萃分析。
IF 1.5
JBRA assisted reproduction Pub Date : 2018-09-01 DOI: 10.5935/1518-0557.20180049
Matheus Roque, Marcello Valle, Marcos Sampaio, Selmo Geber
{"title":"Obstetric outcomes after fresh versus frozen-thawed embryo transfers: A systematic review and meta-analysis.","authors":"Matheus Roque,&nbsp;Marcello Valle,&nbsp;Marcos Sampaio,&nbsp;Selmo Geber","doi":"10.5935/1518-0557.20180049","DOIUrl":"https://doi.org/10.5935/1518-0557.20180049","url":null,"abstract":"<p><strong>Objective: </strong>To evaluate if there are differences in the risks of obstetric outcomes in IVF/ICSI singleton pregnancies when compared fresh to frozen-thawed embryo transfers (FET).</p><p><strong>Methods: </strong>This was a systematic review and meta-analysis evaluating the obstetric outcomes in singleton pregnancies after FET and fresh embryo transfer. The outcomes included in this study were pregnancy-induced hypertension (PIH), pre-eclampsia, placenta previa, and placenta accreta.</p><p><strong>Results: </strong>The search yielded 654 papers, 6 of which met the inclusion criteria and reported on obstetric outcomes. When comparing pregnancies that arose from FET or fresh embryo transfer, there was an increase in the risk of obstetric complications in pregnancies resulting from FET when compared to those emerging from fresh embryo transfers in PIH (aOR 1.82; 95% CI 1.24-2.68), pre-eclampsia (aOR 1.32, 95% CI 1.07, 1.63), and placenta accreta (aOR 3.51, 95% CI 2.04-6.05). There were no significant differences in the risk between the FET and fresh embryo transfer groups when evaluating placenta previa (aOR 0.70; 95% CI 0.46-1.08).</p><p><strong>Conclusion: </strong>The obstetric outcomes observed in pregnancies arising from ART may differ among fresh and FET cycles. Thus, when evaluating to perform a fresh embryo transfer or a freeze-all cycle, these differences found in obstetric outcomes between fresh and FET should be taken into account. The adverse obstetric outcomes after FET found in this study emphasize that the freeze-all policy should not be offered to all the patients, but should be offered to those with a clear indication of the benefit of this strategy.</p>","PeriodicalId":520656,"journal":{"name":"JBRA assisted reproduction","volume":" ","pages":"253-260"},"PeriodicalIF":1.5,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.5935/1518-0557.20180049","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"40538457","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 44
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