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Jacobs CK, Nicolielo M, Alegretti JR, Canto MD, Renzini MM, De Ponti E, Chehin MB, Motta ELA, Lorenzon AR, Buratini J. Basal FSH values are positively associated with aneuploidy incidence in pre-advanced maternal age (AMA) but not in AMA patients. J Assist Reprod Genet 2024:10.1007/s10815-024-03190-x. [PMID: 38995508 DOI: 10.1007/s10815-024-03190-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2024] [Accepted: 06/25/2024] [Indexed: 07/13/2024] Open
Abstract
PURPOSE To assess the impact of maternal age on the association between maternal basal FSH and aneuploidy. METHODS A retrospective study including data from 1749 blastocysts diagnosed as euploid or aneuploid by PGT-A (preimplantation genetic testing for aneuploidy). Aneuploidy incidence was compared between embryos from mothers with high vs. low basal FSH levels (above and below the group median, respectively) in total, pre-AMA (advanced maternal age; < 35 years, 198 embryos) and AMA (≥ 35 years, 1551 embryos) patient groups, separately. To control for the interference of potentially confounding variables, the association between aneuploidy and high basal FSH levels was assessed by multivariate logistic analysis in overall, pre-AMA and AMA patient groups. RESULTS Overall, aneuploidy rate was 9% higher (p = 0.02) in embryos from patients with high basal FSH (63.7%) compared to those with low basal FSH (58.4%). In the pre-AMA subgroup, aneuploidy incidence was 35% higher (p = 0.04) in embryos from patients with high basal FSH (53.5%) compared to those with low basal FSH (39.4%). Differently, aneuploidy occurrence did not vary between embryos from AMA patients with low (61.0%) and high (64.8%) basal FSH (p = 0.12). The multivariate analysis revealed that, in pre-AMA embryos, the association between aneuploidy occurrence and high basal FSH is independent of potential confounding variables (p = 0.04). CONCLUSION Maternal basal FSH values are associated with embryo aneuploidy in pre-AMA but not in AMA patients. The present findings suggest that basal FSH is a useful parameter to assess aneuploidy risk in pre-AMA patients and reinforce the hypothesis that excessive FSH signalling can predispose to oocyte meiotic errors.
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Affiliation(s)
| | | | | | | | | | - Elena De Ponti
- Medical Physics, Fondazione IRCCS San Gerardo Dei Tintori, Monza, Italy
| | | | - Eduardo L A Motta
- Huntington Medicina Reprodutiva - Eugin Group, Sao Paulo, Brazil
- Department of Gynecology, School of Medicine, Federal University of Sao Paulo, Sao Paulo, Brazil
| | - Aline R Lorenzon
- Huntington Medicina Reprodutiva - Eugin Group, Sao Paulo, Brazil
| | - Jose Buratini
- Biogenesi, Reproductive Medicine Centre, Monza, Italy.
- Clinica EUGIN, Milan, Italy.
- Department of Structural and Functional Biology, Institute of Biosciences, Sao Paulo State University, Botucatu, SP, Brazil.
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Buratini J, Dal Canto M, Mignini Renzini M, Webb R. Evidence of FSH-ootoxicity from the mouse model: recognition of an important work and a note on the novelty of the hypothesis. Mol Hum Reprod 2023; 29:gaad045. [PMID: 38123500 DOI: 10.1093/molehr/gaad045] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2023] [Indexed: 12/23/2023] Open
Affiliation(s)
- Jose Buratini
- Biogenesi Reproductive Medicine Centre-Eugin Group, Istituti Clinici Zucchi, Monza, Italy
- Department of Structural and Functional Biology, Sao Paulo State University, Botucatu, Brazil
| | | | - Mario Mignini Renzini
- Biogenesi Reproductive Medicine Centre-Eugin Group, Istituti Clinici Zucchi, Monza, Italy
| | - Robert Webb
- Division of Animal Sciences, School of Biosciences, University of Nottingham, Nottingham, UK
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Buratini J, Moutier C, Guglielmo MC, Turchi D, Webb R, De Ponti E, Renzini MM, Canto MD. The impact of oocyte central granularity on ICSI practice: developmental competence of dysmorphic and morphologically normal companion oocytes. J Assist Reprod Genet 2023; 40:2375-2384. [PMID: 37501005 PMCID: PMC10504199 DOI: 10.1007/s10815-023-02895-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Accepted: 07/18/2023] [Indexed: 07/29/2023] Open
Abstract
PURPOSE To assess the effects of oocyte central granularity and its underlying endocrine environment on developmental competence of dysmorphic and morphologically normal oocytes. METHODS Retrospective cohort study including 1,082 patients undergoing autologous ICSI cycles. Of these, 211 patients provided 602 oocytes with central granularity (CG) and 427 morphologically normal cycle companion oocytes (NCG). The remaining 871 patients provided only morphologically normal oocytes in cycles not yielding dysmorphic oocytes (N). Patient profile associated with CG was characterized, and fertilization rates, early morphokinetics and live birth rates were compared between N, CG and NCG groups. Patient characteristics associated with implantation and delivery performance of CG-derived embryos were assessed. RESULTS CG was associated with higher maternal age, basal FSH concentrations and total FSH dose, but with lower circulating AMH (p ≤ 0.035). Fertilization rates were reduced and early morphokinetic parameters were delayed in CG (p < 0.025) and NCG (p < 0.05) groups as compared to the N group. Embryos derived from CG oocytes achieved a markedly lower live birth rate (14.9%) as compared to those derived from NCG (36.8%; p = 0.03) and N oocytes (29.8%; p = 0.002). The negative relationship between CG and live birth was confirmed by a multivariate analysis controlling for potential confounders (OR:2.59, IC:1.27-5.31; P = 0.009). Implantation and delivery rates following transfers of CG-derived embryos were inversely associated with maternal age. CONCLUSION CG oocytes, but not their morphologically normal cycle companions, have severely compromised developmental competence. Maternal age should be a key parameter in deciding whether or not to utilize CG oocytes in ICSI cycles.
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Affiliation(s)
- Jose Buratini
- Biogenesi, Reproductive Medicine Centre, Monza, Italy
- Clinica EUGIN, Milan, Italy
- Department of Structural and Functional Biology, Institute of Biosciences, Sao Paulo State University, Botucatu, SP Brazil
| | | | | | - Diana Turchi
- Biogenesi, Reproductive Medicine Centre, Monza, Italy
| | - Robert Webb
- University of Nottingham, Nottinghamshire, UK
| | - Elena De Ponti
- Medical Physics, Fondazione IRCCS San Gerardo dei Tintori Monza, Monza, Italy
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Si M, Jiang H, Zhao Y, Qi X, Li R, Long X, Qiao J. Nomogram for Predicting Live Birth after the First Fresh Embryo Transfer in Patients with PCOS Undergoing IVF/ICSI Treatment with the GnRH-Ant Protocol. Diagnostics (Basel) 2023; 13:diagnostics13111927. [PMID: 37296779 DOI: 10.3390/diagnostics13111927] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2023] [Revised: 05/28/2023] [Accepted: 05/29/2023] [Indexed: 06/12/2023] Open
Abstract
Polycystic ovary syndrome (PCOS) is the leading cause of anovulatory infertility. A better understanding of factors associated with pregnancy outcomes and successful prediction of live birth after IVF/ICSI are important to guide clinical practice. This was a retrospective cohort study investigating live birth after the first fresh embryo transfer using the GnRH-ant protocol in patients with PCOS between 2017 and 2021 at the Reproductive Center of Peking University Third Hospital. A total of 1018 patients with PCOS were qualified for inclusion in this study. BMI, AMH level, initial FSH dosage, serum LH and progesterone levels on the hCG trigger day, and endometrial thickness were all independent predictors of live birth. However, age and infertility duration were not significant predictors. We developed a prediction model based on these variables. The predictive ability of the model was demonstrated well, with areas under the curve of 0.711 (95% CI, 0.672-0.751) and 0.713 (95% CI, 0.650-0.776) in the training cohort and validation cohort, respectively. Additionally, the calibration plot showed good agreement between the prediction and the observation (p = 0.270). The novel nomogram could be helpful for clinicians and patients in clinical decision-making and outcome evaluation.
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Affiliation(s)
- Manfei Si
- Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Peking University Third Hospital, Beijing 100191, China
- National Clinical Research Center for Obstetrics and Gynecology, Peking University Third Hospital, Beijing 100191, China
- Key Laboratory of Assisted Reproduction, Peking University, Ministry of Education, Beijing 100191, China
- Beijing Key Laboratory of Reproductive Endocrinology and Assisted Reproductive Technology, Beijing 100191, China
| | - Huahua Jiang
- Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Peking University Third Hospital, Beijing 100191, China
- National Clinical Research Center for Obstetrics and Gynecology, Peking University Third Hospital, Beijing 100191, China
- Key Laboratory of Assisted Reproduction, Peking University, Ministry of Education, Beijing 100191, China
- Beijing Key Laboratory of Reproductive Endocrinology and Assisted Reproductive Technology, Beijing 100191, China
| | - Yue Zhao
- Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Peking University Third Hospital, Beijing 100191, China
- National Clinical Research Center for Obstetrics and Gynecology, Peking University Third Hospital, Beijing 100191, China
- Key Laboratory of Assisted Reproduction, Peking University, Ministry of Education, Beijing 100191, China
- Beijing Key Laboratory of Reproductive Endocrinology and Assisted Reproductive Technology, Beijing 100191, China
| | - Xinyu Qi
- Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Peking University Third Hospital, Beijing 100191, China
- National Clinical Research Center for Obstetrics and Gynecology, Peking University Third Hospital, Beijing 100191, China
- Key Laboratory of Assisted Reproduction, Peking University, Ministry of Education, Beijing 100191, China
- Beijing Key Laboratory of Reproductive Endocrinology and Assisted Reproductive Technology, Beijing 100191, China
| | - Rong Li
- Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Peking University Third Hospital, Beijing 100191, China
- National Clinical Research Center for Obstetrics and Gynecology, Peking University Third Hospital, Beijing 100191, China
- Key Laboratory of Assisted Reproduction, Peking University, Ministry of Education, Beijing 100191, China
- Beijing Key Laboratory of Reproductive Endocrinology and Assisted Reproductive Technology, Beijing 100191, China
| | - Xiaoyu Long
- Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Peking University Third Hospital, Beijing 100191, China
- National Clinical Research Center for Obstetrics and Gynecology, Peking University Third Hospital, Beijing 100191, China
- Key Laboratory of Assisted Reproduction, Peking University, Ministry of Education, Beijing 100191, China
- Beijing Key Laboratory of Reproductive Endocrinology and Assisted Reproductive Technology, Beijing 100191, China
| | - Jie Qiao
- Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Peking University Third Hospital, Beijing 100191, China
- National Clinical Research Center for Obstetrics and Gynecology, Peking University Third Hospital, Beijing 100191, China
- Key Laboratory of Assisted Reproduction, Peking University, Ministry of Education, Beijing 100191, China
- Beijing Key Laboratory of Reproductive Endocrinology and Assisted Reproductive Technology, Beijing 100191, China
- Beijing Advanced Innovation Center for Genomics, Beijing 100191, China
- Peking-Tsinghua Center for Life Sciences, Peking University, Beijing 100191, China
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Yang L, Du L, Hou B, Niu X, Wang W, Shen W. Clinical Value of Combined Multi-Indicator Tests in Diagnosis of Benign Ovarian. Int J Gen Med 2023; 16:2047-2053. [PMID: 37275333 PMCID: PMC10237279 DOI: 10.2147/ijgm.s410393] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Accepted: 05/16/2023] [Indexed: 06/07/2023] Open
Abstract
Background To investigate the existence and degree of correlation between benign ovarian tumors and physiological indicators such as reproductive hormones and tumor markers. Methods A total of 150 patients with benign ovarian tumors admitted to Jiaxing First Hospital between January 1, 2019, and May 30, 2021, were enrolled as research subjects, while 104 healthy women were enrolled in the control group. Comparative analysis of the correlation between the reproductive hormones LH, FSH, T, E2, and the tumor indicators AMH, AFP, CEA, CA125, and CA199 between the groups was performed. Results There was no statistical difference in LH, FSH, T, AMH, and CEA expression levels between the experimental and control groups (p≥0.05); E2, CA125, and CA199 levels were higher significantly in the experimental group than in the control group (P<0.001); AFP levels were significantly lower in the experimental group than in the control group (P<0.05). CA125 (0.762) had the highest AUC when diagnosing the value of each index of E2, CA125, and CA199 for benign ovarian tumors. CA125 had the highest sensitivity (56.7%), followed by E2 (50.0%); CA199 had the highest specificity (84.5%), followed by CA125 (83.7%). The combined diagnosis of benign ovarian tumors was performed using different combinations of the indicators. When the two indicators were combined for diagnosis, the combination of E2 + CA199 had the highest sensitivity (82.6%), whereas the combination of CA125 + CA199 had the largest AUC (0.783) and the highest specificity (86.4%). The combined diagnosis of E2+CA125+CA199 had a higher AUC than the combined diagnosis of the two indicators (0.805), with a sensitivity of 77.2%, and a specificity of 70.9%. Conclusion The most relevant factors for benign ovarian tumors are E2, CA125, and CA199 and the combination of these three indicators has the highest AUC for disease prediction while increasing the detection rate of benign ovarian tumors.
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Affiliation(s)
- Lunyun Yang
- Department of Laboratory Medicine, The Affiliated Hospital of Jiaxing University, Jiaxing, 314000, People’s Republic of China
| | - Lin Du
- The Third Xiangya Hospital of Central South University, Changsha, 430074, People’s Republic of China
| | - Bailong Hou
- Department of Laboratory Medicine, The Affiliated Hospital of Jiaxing University, Jiaxing, 314000, People’s Republic of China
| | - Xiaoqin Niu
- Department of Laboratory Medicine, The Affiliated Hospital of Jiaxing University, Jiaxing, 314000, People’s Republic of China
| | - Wei Wang
- Department of Laboratory Medicine, The Affiliated Hospital of Jiaxing University, Jiaxing, 314000, People’s Republic of China
| | - Weifeng Shen
- Department of Laboratory Medicine, The Affiliated Hospital of Jiaxing University, Jiaxing, 314000, People’s Republic of China
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Laqqan MM, Yassin MM. Investigation of the Predictive Factors of Diminished Ovarian Reserve in Women Aged Less Than 40 Years and Undergoing ICSI Cycle. Reprod Sci 2023; 30:873-882. [PMID: 36002711 DOI: 10.1007/s43032-022-01055-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Accepted: 07/30/2022] [Indexed: 11/30/2022]
Abstract
Diminished ovarian reserve (DOR) is one of the primary causes of poor ICSI outcomes. Therefore, this study was performed to speculate which of the following parameters: AMH, AFC, and women's age can be used as a predictor factor of the DOR in women aged < 40 years. This prospective study enrolled 500 women suffering from idiopathic infertility problems and who underwent GnRH antagonist multiple-dose stimulation protocol. The women were divided into two groups: normal fertility (FSH ≤ 10 mIU/mL, n = 300) and DOR (FSH > 10 mIU/mL, n = 200). At the time of the study, the average of women age was 29.3 ± 5.7 years. A significant reduction was found in AMH level, AFC, number of mature, immature oocytes, fertilized oocytes, embryos transferred, and β-hCG level in the DOR group compared to the normal fertility group (P < 0.001). Conversely, a significant increase was shown in the age of the DOR group compared to the normal fertility group (30.8 ± 5.8 vs. 28.2 ± 5.4, respectively; P < 0.001). A significant negative association was found between the AFC, the number of mature oocytes, fertilized oocytes, embryos transferred, and the basal level of FSH in the DOR group (P < 0.01). The receiver operating characteristics (ROC) demonstrated that AMH level and AFC had the highest accuracy, followed by age in the prediction of DOR (P < 0.001) with a cut-off value of ≤ 1.2 ng/mL, ≤ 4.5, and > 29.5 years, respectively. This study exhibited that the levels of AMH and AFC are the best biomarkers, followed by age for the prediction of DOR in women < 40 years old. Furthermore, AMH is the only independent factor that is significantly related to DOR in women.
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Affiliation(s)
- Mohammed M Laqqan
- Faculty of Health Sciences, Department of Medical Laboratory Sciences, Islamic University, P.O. Box 108, Gaza, Palestine.
| | - Maged M Yassin
- Faculty of Medicine, Department of Human Physiology, Islamic University, P.O. Box 108, Gaza, Palestine
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Bedir Ö, Gram A, Grazul-Bilska AT, Kowalewski MP. The effects of follicle stimulating hormone (FSH)-induced controlled ovarian hyperstimulation and nutrition on implantation-related gene expression in caruncular tissues of non-pregnant sheep. Theriogenology 2022; 195:229-237. [DOI: 10.1016/j.theriogenology.2022.10.033] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2022] [Revised: 10/21/2022] [Accepted: 10/27/2022] [Indexed: 11/05/2022]
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Javed W, Abidi SHB, Baqar JB. Seroprevalence and characteristics of Coronavirus Disease (COVID-19) in workers with non-specific disease symptoms. BMC Infect Dis 2022; 22:481. [PMID: 35596145 PMCID: PMC9120800 DOI: 10.1186/s12879-022-07461-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2021] [Accepted: 05/05/2022] [Indexed: 12/15/2022] Open
Abstract
Background The population-based serosurveys are essential for estimating Coronavirus Disease-19 (COVID-19) burden and monitoring the progression of this pandemic. We aimed to assess the seroprevalence of SARS-CoV-2 antibodies and potential predictors of seropositivity in the Pakistani population. Methodology This population-based seroprevalence study includes consenting subjects from the workplaces (factories, corporates, restaurants, media houses, schools, banks, and hospitals) located in the urban areas of Karachi, Lahore, Multan, Peshawar, and Quetta. We analyzed each subject's serum sample for SARS-CoV-2-IgM and/or IgG antibodies using UNIPER IgG/IgM Rapid COVID-19 Testing Kit. The subject's demographics, exposure history, and symptoms experienced (in last 7 days) were also obtained. The collected data was analyzed using SPSS version 22.0. Results The overall seroprevalence of SARS-CoV-2 antibodies was 16.0% (2810/17,764). The total antibody seropositivity was higher in males than females (OR 1.22, 95% CI 1.110–1.340). The symptomatic subjects had 2.18 times higher odds of IgG seropositivity while 1.2 times for IgM seropositivity than the asymptomatic subjects. The multivariable logistic regression model showed that the odds of SARS-CoV-2 total antibody seroprevalence were affected by the number of dependents (OR = 1.077; 95% CI 1.054–1.099), apparent symptomology (OR = 1.288; 95% CI 1.011–1.643), close unprotected contact with a confirmed or probable case of COVID-19 (OR 2.470; 95% CI 2.164–2.819), traveling history (last 14 days) (OR = 1.537; 95% CI 1.234–1.914) and proximity with someone who traveled (OR = 1.534; 95% CI 1.241–1.896). Conclusion We found a reasonable seroprevalence of SARS-CoV-2 antibodies in the studied population. Several factors like the number of dependents, apparent symptoms, close unprotected contact with a confirmed or probable case of COVID-19, traveling history, and proximity with someone who traveled are associated with increased odds of SARS-CoV-2 antibody seropositivity.
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Fu K, Li Y, Lv H, Wu W, Song J, Xu J. Development of a Model Predicting the Outcome of In Vitro Fertilization Cycles by a Robust Decision Tree Method. Front Endocrinol (Lausanne) 2022; 13:877518. [PMID: 36093079 PMCID: PMC9449728 DOI: 10.3389/fendo.2022.877518] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Accepted: 06/21/2022] [Indexed: 11/20/2022] Open
Abstract
INTRODUCTION Infertility is a worldwide problem. To evaluate the outcome of in vitro fertilization (IVF) treatment for infertility, many indicators need to be considered and the relation among indicators need to be studied. OBJECTIVES To construct an IVF predicting model by a robust decision tree method and find important factors and their interrelation. METHODS IVF and intracytoplasmic sperm injection (ICSI) cycles between January 2010 and December 2020 in a women's hospital were collected. Comprehensive evaluation and examination of patients, specific therapy strategy and the outcome of treatment were recorded. Variables were selected through the significance of 1-way analysis between the clinical pregnant group and the nonpregnant group and then were discretized. Then, gradient boosting decision tree (GBDT) was used to construct the model to compute the score for predicting the rate of clinical pregnancy. RESULT Thirty-eight variables with significant difference were selected for binning and thirty of them in which the pregnancy rate varied in different categories were chosen to construct the model. The final score computed by model predicted the clinical pregnancy rate well with the Area Under Curve (AUC) value achieving 0.704 and the consistency reaching 98.1%. Number of two-pronuclear embryo (2PN), age of women, AMH level, number of oocytes retrieved and endometrial thickness were important factors related to IVF outcome. Moreover, some interrelations among factors were found from model, which may assist clinicians in making decisions. CONCLUSION This study constructed a model predicting the outcome of IVF cycles through a robust decision tree method and achieved satisfactory prediction performance. Important factors related to IVF outcome and some interrelations among factors were found.
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Affiliation(s)
- Kaiyou Fu
- First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
- Women’s Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Yanrui Li
- School of Control Science and Engineering, Zhejiang University, Hangzhou, China
| | - Houyi Lv
- Women’s Hospital, School of Medicine, Zhejiang University, Hangzhou, China
- Fourth Affiliated Hospital, School of Medicine, Zhejiang University, Yiwu, China
| | - Wei Wu
- Fourth Affiliated Hospital, School of Medicine, Zhejiang University, Yiwu, China
| | - Jianyuan Song
- Fourth Affiliated Hospital, School of Medicine, Zhejiang University, Yiwu, China
| | - Jian Xu
- Women’s Hospital, School of Medicine, Zhejiang University, Hangzhou, China
- Fourth Affiliated Hospital, School of Medicine, Zhejiang University, Yiwu, China
- *Correspondence: Jian Xu,
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Buratini J, Dellaqua TT, Dal Canto M, La Marca A, Carone D, Mignini Renzini M, Webb R. The putative roles of FSH and AMH in the regulation of oocyte developmental competence: from fertility prognosis to mechanisms underlying age-related subfertility. Hum Reprod Update 2021; 28:232-254. [PMID: 34969065 DOI: 10.1093/humupd/dmab044] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Revised: 11/18/2021] [Indexed: 12/31/2022] Open
Abstract
BACKGROUND Fertility loss during female ageing is associated with increasing basal FSH and decreasing anti-Müllerian hormone (AMH) concentrations, together with compromised oocyte quality, presumably due to increased oxidative stress (OS) and DNA damage, as well as reduced metabolic and meiotic competences. Basal FSH and AMH circulatory concentrations have been broadly utilized as IVF success predictors, regardless of fluctuations in prognostic accuracy; basal FSH and AMH perform better in pre-advanced maternal age (AMA: >35 years) and AMA patients, respectively. The relationships between FSH and AMH intrafollicular levels and IVF outcomes suggest, nevertheless, that both hormones regulate oocyte competence, supporting the hypothesis that changes in FSH/AMH levels cause, at least in part, oocyte quality degradation during ageing. To understand the reasons behind the fluctuations in FSH and AMH prognostic accuracies and to clarify their participation in mechanisms determining oocyte competence and age-related subfertility, a deeper knowledge of the regulation of FSH and AMH intrafollicular signalling during the female reproductive lifespan, and of their effects on the cumulus-oocyte complex, is required. OBJECTIVE AND RATIONALE An extensive body of information on the regulation of FSH and AMH intrafollicular availability and signalling, as well as on the control of folliculogenesis and oocyte metabolism, has been accumulated. However, these datasets have been explored within the relatively narrow boundaries of their specific subjects. Given the aforementioned gaps in knowledge and their clinical relevance, herein we integrate clinical and basic data, within a wide biological perspective, aiming to shed light on (i) the reasons for the variability in the accuracy of serum FSH and AMH as fertility markers, and on (ii) the potential roles of these hormones in mechanisms regulating oocyte quality, particularly those associated with ageing. SEARCH METHODS The PubMed database encompassing the period between 1960 and 2021 was searched. Principal search terms were FSH, FSH receptor, AMH, oocyte, maternal age, cumulus, transzonal projections (TZPs), actin, OS, redox, reactive oxygen species, mitochondria, DNA damage, DNA repair, aneuploidy, spindle, meiosis, gene expression, transcription, translation, oocyte secreted factors (OSFs), cAMP, cyclic guanosine monophosphate, natriuretic peptide C, growth differentiation factor 9, bone morphogenetic protein 15 and fibroblast growth factor. OUTCOMES Our analysis suggests that variations in the accuracy of fertility prognosis reflect a modest association between circulatory AMH levels and oocyte quality as well as increasing basal FSH inter-cycle variability with age. In addition, the basic and clinical data articulated herein support the hypothesis that increased intrafollicular FSH levels, as maternal age advances, may override the physiological protective influences of AMH and OSFs against excessive FSH signalling in cumulus cells. This would result in the disruption of oocyte homeostasis via reduced TZP-mediated transfer of cumulus-derived molecules essential for meiotic competence, gene expression, redox activity and DNA repair. WIDER IMPLICATIONS In-depth data analysis, encompassing a wide biological perspective has revealed potential causative mechanisms of age-related subfertility triggered by alterations in FSH/AMH signalling during the female reproductive life. Insights from new mechanistic models arising from this analysis should contribute to advancing our comprehension of oocyte biology in humans and serve as a valuable reference for novel AMA subfertility treatments aimed at improving oocyte quality through the modulation of AMH/FSH action.
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Affiliation(s)
- Jose Buratini
- Biogenesi Reproductive Medicine Centre-Eugin Group, Istituti Clinici Zucchi, Monza, Italy.,Clinica Eugin Modena, Modena, Italy.,Department of Structural and Functional Biology, Sao Paulo State University, Botucatu, Brazil
| | - Thaisy Tino Dellaqua
- Department of Structural and Functional Biology, Sao Paulo State University, Botucatu, Brazil
| | - Mariabeatrice Dal Canto
- Biogenesi Reproductive Medicine Centre-Eugin Group, Istituti Clinici Zucchi, Monza, Italy.,Clinica Eugin Modena, Modena, Italy
| | - Antonio La Marca
- Clinica Eugin Modena, Modena, Italy.,Department of Medical and Surgical Sciences of the Mother, Children and Adults, University of Modena and Reggio Emilia, Modena, Italy
| | | | - Mario Mignini Renzini
- Biogenesi Reproductive Medicine Centre-Eugin Group, Istituti Clinici Zucchi, Monza, Italy.,Clinica Eugin Modena, Modena, Italy
| | - Robert Webb
- Division of Animal Sciences, School of Biosciences, University of Nottingham, Nottinghamshire, UK
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Lodde V, Luciano AM, Musmeci G, Miclea I, Tessaro I, Aru M, Albertini DF, Franciosi F. A Nuclear and Cytoplasmic Characterization of Bovine Oocytes Reveals That Cysteamine Partially Rescues the Embryo Development in a Model of Low Ovarian Reserve. Animals (Basel) 2021; 11:ani11071936. [PMID: 34209664 PMCID: PMC8300191 DOI: 10.3390/ani11071936] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Revised: 06/16/2021] [Accepted: 06/21/2021] [Indexed: 11/30/2022] Open
Abstract
Simple Summary Women’s reproductive performance starts declining in the mid-30s, and by age 40–45, the possibility of becoming pregnant becomes very small. Reproductive aging is a physiological process of fertility decline characterized by a decrease in quality and stockpile of eggs (also called ovarian reserve) in most mammals. However, young individuals too can show an accelerated reproductive aging that similarly results in a low ovarian reserve and hypofertility. This syndrome, called premature ovarian failure (POF), is becoming a relevant problem due to the general tendency to postpone the first pregnancy. In this study, we used bovine ovaries that were classified in two categories, according to the number of follicles visible on the ovarian surface, and analyzed some parameters of egg maturation. We observed that eggs from the ‘aging-like’ ovaries carry several defects that impair maturation. However, one of the parameters was improved upon supplementation with a scavenger of free radicals, providing a proof of concept that in-depth knowledge of the cellular mechanisms is essential to find solutions to everyday-life problems. Abstract Decreased oocyte quality is a major determinant of age-associated fertility decline. Similarly, individuals affected by early ovarian aging carry low-quality oocytes. Using an established bovine model of early ovarian aging, we investigated key features of ‘quality’ oocyte maturation, associated with the onset of egg aneuploidy and reproductive aging, such as histone modifications, mitochondria distribution and activity, reduced glutathione (GSH) content, and gap junction functionality. Bovine ovaries were classified according to the antral follicle count (AFC), and the retrieved oocytes were processed immediately or matured in vitro. We observed alterations in several cellular processes, suggesting a multifactorial etiology of the reduced oocyte quality. Furthermore, we performed a rescue experiment for one of the parameters considered. By adding cysteamine to the maturation medium, we experimentally increased the free radical scavenger ability of the ‘low competence’ oocytes and obtained a higher embryo development. Our findings show that adopting culture conditions that counteract the free radicals has a positive impact on the quality of ‘compromised’ oocytes. Specifically, cysteamine treatment seems to be a promising option for treating aging-related deficiencies in embryo development.
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Affiliation(s)
- Valentina Lodde
- Reproductive and Developmental Biology Lab., Dipartimento di Scienze Veterinarie per la Salute la Produzione Animale e la Sicurezza Alimentare ‘Carlo Cantoni’, Università degli Studi di Milano, 20133 Milano, Italy; (V.L.); (A.M.L.); (G.M.); (I.T.); (M.A.)
| | - Alberto Maria Luciano
- Reproductive and Developmental Biology Lab., Dipartimento di Scienze Veterinarie per la Salute la Produzione Animale e la Sicurezza Alimentare ‘Carlo Cantoni’, Università degli Studi di Milano, 20133 Milano, Italy; (V.L.); (A.M.L.); (G.M.); (I.T.); (M.A.)
| | - Giulia Musmeci
- Reproductive and Developmental Biology Lab., Dipartimento di Scienze Veterinarie per la Salute la Produzione Animale e la Sicurezza Alimentare ‘Carlo Cantoni’, Università degli Studi di Milano, 20133 Milano, Italy; (V.L.); (A.M.L.); (G.M.); (I.T.); (M.A.)
| | - Ileana Miclea
- Faculty of Animal Science and Biotechnologies, University of Agricultural Sciences and Veterinary Medicine, 400372 Cluj-Napoca, Romania;
| | - Irene Tessaro
- Reproductive and Developmental Biology Lab., Dipartimento di Scienze Veterinarie per la Salute la Produzione Animale e la Sicurezza Alimentare ‘Carlo Cantoni’, Università degli Studi di Milano, 20133 Milano, Italy; (V.L.); (A.M.L.); (G.M.); (I.T.); (M.A.)
| | - Mariella Aru
- Reproductive and Developmental Biology Lab., Dipartimento di Scienze Veterinarie per la Salute la Produzione Animale e la Sicurezza Alimentare ‘Carlo Cantoni’, Università degli Studi di Milano, 20133 Milano, Italy; (V.L.); (A.M.L.); (G.M.); (I.T.); (M.A.)
| | | | - Federica Franciosi
- Reproductive and Developmental Biology Lab., Dipartimento di Scienze Veterinarie per la Salute la Produzione Animale e la Sicurezza Alimentare ‘Carlo Cantoni’, Università degli Studi di Milano, 20133 Milano, Italy; (V.L.); (A.M.L.); (G.M.); (I.T.); (M.A.)
- Correspondence:
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Wang B, Liu W, Liu Y, Zhang W, Ren C, Guan Y. What Does Unexpected Suboptimal Response During Ovarian Stimulation Suggest, an Overlooked Group? Front Endocrinol (Lausanne) 2021; 12:795254. [PMID: 35002973 PMCID: PMC8727549 DOI: 10.3389/fendo.2021.795254] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/14/2021] [Accepted: 12/06/2021] [Indexed: 11/13/2022] Open
Abstract
Unlike poor ovarian response, despite being predicted to be normal responders based on their ovarian reserve markers, many patients respond suboptimally to ovarian stimulation. Although we can improve the number of retrieved oocytes by increasing the recombinant FSH dose and adding LH, the effect of suboptimal ovarian response on cumulative live birth rate (CLBR) and offspring safety is unclear. This study focuses on the unexpected suboptimal response during ovulation induction, and its causes and outcomes are analysed for the first time with a large amount of data used to compare the cumulative pregnancy rate (CPR), CLBR and offspring safety of patients with one complete ART cycle with all embryos used. Our analysis included 5218 patients treated with the GnRH agonist long protocol for their first IVF-embryo transfer (ET) cycles. Patients were divided into two groups according to whether the ovarian response was suboptimal. Propensity score matching (PSM) was utilized for sampling at up to 1:1 nearest-neighbour matching with caliper 0.05 to balance the baseline and improve comparability between the groups. Results showed that age, BMI and basal FSH were independent risk factors for slow response; the initial dosage of Gn, FSH on the first day of Gn, and LH on the first day of Gn were independent protective factors for suboptimal response. Suboptimal responders were also more likely to have irregular menses. Regarding the clinical pregnancy rate of the fresh IVF/ICSI-ET cycles, the adjusted results of the two groups were not significantly different. There was no difference in the CPR, CLBR, or offspring safety-related data, such as gestational age, preterm delivery rate, birthweight, birth-height and Apgar Scores between the two groups after PSM. Age-related changes in the number of oocytes retrieved from women aged 20-40 years old between the two groups were different, indicating that suboptimal response in elderly patients suggests a decline in ovarian reserve. Although we can now improve the outcomes of suboptimal responders, it increases the cost to the patients and the time to live birth, which requires further attention.
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Affiliation(s)
- Bijun Wang
- Reproductive Medicine Center, The Third Affiliated Hospital of Zhengzhou University, Kangfuqian Road, Zhengzhou, China
| | - Wenxia Liu
- Reproductive Medicine Center, The Third Affiliated Hospital of Zhengzhou University, Kangfuqian Road, Zhengzhou, China
| | - Yi Liu
- Fuwai Central China Cardiovascular Hospital, Zhengzhou, China
| | - Wen Zhang
- Reproductive Medicine Center, The Third Affiliated Hospital of Zhengzhou University, Kangfuqian Road, Zhengzhou, China
| | - Chenchen Ren
- Gynecology and Obstetrics, The Third Affiliated Hospital of Zhengzhou University, Zhengzhou, China
- *Correspondence: Chenchen Ren, ; Yichun Guan,
| | - Yichun Guan
- Reproductive Medicine Center, The Third Affiliated Hospital of Zhengzhou University, Kangfuqian Road, Zhengzhou, China
- *Correspondence: Chenchen Ren, ; Yichun Guan,
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