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1.
Am J Obstet Gynecol ; 228(3): 270-275.e4, 2023 03.
Artigo em Inglês | MEDLINE | ID: mdl-36191605

RESUMO

The ovaries are the female gonads that are crucial for reproduction, steroid production, and overall health. Historically, the ovary was broadly divided into regions defined as the cortex, medulla, and hilum. This current nomenclature lacks specificity and fails to consider the significant anatomic variations in the ovary. Recent technological advances in imaging modalities and high-resolution omic analyses have brought about the need for revision of the existing definitions, which will facilitate the integration of generated data and enable the characterization of organ subanatomy and function at the cellular level. The creation of these high-resolution multimodal maps of the ovary will enhance collaboration and communication among disciplines and between clinicians and researchers. Beginning in March 2021, the Pediatric and Adolescent Gynecology Program of the Eunice Kennedy Shriver National Institute of Child Health and Human Development invited subject-matter experts to participate in a series of workshops and meetings to standardize ovarian nomenclature and define the organ's features. The goal was to develop a spatially defined and semantically consistent terminology of the ovary to support collaborative, team science-based endeavors aimed at generating reference atlases of the human ovary. The group recommended a standardized, 3-dimensional description of the ovary and an ontological approach to the subanatomy of the ovary and definition of follicles. This new greater precision in nomenclature and mapping will better reflect the ovary's heterogeneous composition and function, support the standardization of tissue collection, facilitate functional analyses, and enable clinical and research collaborations. The conceptualization process and outcomes of the effort, which spanned the better part of 2021 and early 2022, are introduced in this article. The institute and the workshop participants encourage researchers and clinicians to adopt the new systems in their everyday work to advance the overarching goal of improving human reproductive health.


Assuntos
Ginecologia , Ovário , Adolescente , Humanos , Feminino , Criança , Ovário/diagnóstico por imagem , Pelve
2.
Pharmacol Res ; 172: 105856, 2021 10.
Artigo em Inglês | MEDLINE | ID: mdl-34461224

RESUMO

Uterine leiomyomas or fibroids are the most common tumors of the female reproductive tract. Estrogen (E2), a steroid-derived hormone, and its receptors (ERs), particularly ER-α, are important drivers for the development and growth of leiomyomas. We previously demonstrated that simvastatin, a drug used for hyperlipidemia, also possesses anti-leiomyoma properties. The aim of this work is to investigate the impact of simvastatin on ER-α signaling in leiomyoma cells, including its expression, downstream signaling, transcriptional activity, post-translational modification, trafficking and degradation. Primary and immortalized human uterine leiomyoma (HuLM) cells were used for in vitro experiments. Immunodeficient mice xenografted with human leiomyoma tissue explants were used for in vivo studies. Leiomyoma samples were obtained from patients enrolled in an ongoing double-blinded, phase II, randomized controlled trial. Here, we found that simvastatin significantly reduced E2-induced proliferation and PCNA expression. In addition, simvastatin reduced total ER-α expression in leiomyoma cells and altered its subcellular localization by inhibiting its trafficking to the plasma membrane and nucleus. Simvastatin also inhibited E2 downstream signaling, including ERK and AKT pathways, E2/ER transcriptional activity and E2-responsive genes. To explain simvastatin effects on ER-α level and trafficking, we examined its effects on ER-α post-translational processing. We noticed that simvastatin reduced ER-α palmitoylation; a required modification for its stability, trafficking to plasma membrane, and signaling. We also observed an increase in ubiquitin-mediated ER-α degradation. Importantly, we found that the effects of simvastatin on ER-α expression were recapitulated in the xenograft leiomyoma mouse model and human tissues. Thus, our data suggest that simvastatin modulates several E2/ER signaling targets with potential implications in leiomyoma therapy and beyond.


Assuntos
Receptor alfa de Estrogênio/metabolismo , Estrogênios/metabolismo , Inibidores de Hidroximetilglutaril-CoA Redutases/farmacologia , Leiomioma/metabolismo , Sinvastatina/farmacologia , Neoplasias Uterinas/metabolismo , Adolescente , Adulto , Animais , Linhagem Celular Tumoral , Sobrevivência Celular , Método Duplo-Cego , Feminino , Humanos , Inibidores de Hidroximetilglutaril-CoA Redutases/uso terapêutico , Leiomioma/tratamento farmacológico , Lipoilação , Camundongos , Pessoa de Meia-Idade , Transporte Proteico , Proteólise , Transdução de Sinais/efeitos dos fármacos , Sinvastatina/uso terapêutico , Neoplasias Uterinas/tratamento farmacológico , Adulto Jovem
3.
Clin Obstet Gynecol ; 64(4): 813-836, 2021 12 01.
Artigo em Inglês | MEDLINE | ID: mdl-34524172

RESUMO

Common benign gynecologic conditions such as uterine fibroids and endometriosis are linked to chronic pelvic pain, abnormal and heavy uterine bleeding, and infertility. Effective medical management of these diseases is an unmet need. The steroid hormones progesterone (P4), estrogen (E2), and testosterone play a major role in reproductive physiology and uterine pathologies. Notably, selective progesterone receptor modulators have shown considerable promise as treatment options for some hormone-dependent conditions. More limited data are available regarding the safety and efficacy of selective androgen receptor modulators. In this report we review current evidence for selective progesterone receptor modulators and selective androgen receptor modulators as treatment options for benign gynecologic conditions.


Assuntos
Doenças dos Genitais Femininos , Feminino , Doenças dos Genitais Femininos/tratamento farmacológico , Humanos , Progesterona , Receptores Androgênicos/genética , Receptores de Progesterona
4.
Int J Mol Sci ; 22(13)2021 Jun 23.
Artigo em Inglês | MEDLINE | ID: mdl-34201797

RESUMO

The coronavirus disease 2019 (COVID-19) caused by infection of the severe respiratory syndrome coronavirus-2 (SARS-CoV-2) significantly impacted human society. Recently, the synthetic pure glucocorticoid dexamethasone was identified as an effective compound for treatment of severe COVID-19. However, glucocorticoids are generally harmful for infectious diseases, such as bacterial sepsis and severe influenza pneumonia, which can develop respiratory failure and systemic inflammation similar to COVID-19. This apparent inconsistency suggests the presence of pathologic mechanism(s) unique to COVID-19 that renders this steroid effective. We review plausible mechanisms and advance the hypothesis that SARS-CoV-2 infection is accompanied by infected cell-specific glucocorticoid insensitivity as reported for some other viruses. This alteration in local glucocorticoid actions interferes with undesired glucocorticoid to facilitate viral replication but does not affect desired anti-inflammatory properties in non-infected organs/tissues. We postulate that the virus coincidentally causes glucocorticoid insensitivity in the process of modulating host cell activities for promoting its replication in infected cells. We explore this tenet focusing on SARS-CoV-2-encoding proteins and potential molecular mechanisms supporting this hypothetical glucocorticoid insensitivity unique to COVID-19 but not characteristic of other life-threatening viral diseases, probably due to a difference in specific virally-encoded molecules and host cell activities modulated by them.


Assuntos
Antivirais/farmacologia , Tratamento Farmacológico da COVID-19 , Dexametasona/farmacologia , Sistema Hipotálamo-Hipofisário/fisiologia , Inflamação/tratamento farmacológico , Interações entre Hospedeiro e Microrganismos , Humanos , Imunidade Inata , SARS-CoV-2/efeitos dos fármacos , SARS-CoV-2/fisiologia , Índice de Gravidade de Doença , Replicação Viral/efeitos dos fármacos
5.
Am J Obstet Gynecol ; 223(5): 733.e1-733.e14, 2020 11.
Artigo em Inglês | MEDLINE | ID: mdl-32417359

RESUMO

BACKGROUND: Uterine leiomyomas, the most common tumors of the female reproductive system, are characterized by excessive deposition of disordered stiff extracellular matrix and fundamental alteration in the mechanical signaling pathways. Specifically, these alterations affect the normal dynamic state of responsiveness to mechanical cues in the extracellular environment. These mechanical cues are converted through integrins, cell membrane receptors, to biochemical signals including cytoskeletal signaling pathways to maintain mechanical homeostasis. Leiomyoma cells overexpress ß1 integrin and other downstream mechanical signaling proteins. We previously reported that simvastatin, an antihyperlipidemic drug, has antileiomyoma effects through cellular, animal model, and epidemiologic studies. OBJECTIVE: This study aimed to examine the hypothesis that simvastatin might influence altered mechanotransduction in leiomyoma cells. STUDY DESIGN: This is a laboratory-based experimental study. Primary leiomyoma cells were isolated from 5 patients who underwent hysterectomy at the Department of Gynecology and Obstetrics of the Johns Hopkins University Hospital. Primary and immortalized human uterine leiomyoma cells were treated with simvastatin at increasing concentrations (0.001, 0.01, 0.1, and 1 µM, or control) for 48 hours. Protein and mRNA levels of ß1 integrin and extracellular matrix components involved in mechanical signaling were quantified by quantitative real-time polymerase chain reaction, western blotting, and immunofluorescence. In addition, we examined the effect of simvastatin on the activity of Ras homolog family member A using pull-down assay and gel contraction. RESULTS: We found that simvastatin significantly reduced the protein expression of ß1 integrin by 44% and type I collagen by 60% compared with untreated leiomyoma cells. Simvastatin-treated cells reduced phosphorylation of focal adhesion kinase down to 26%-60% of control, whereas it increased total focal adhesion kinase protein expression. Using a Ras homolog family member A pull-down activation assay, we observed reduced levels of active Ras homolog family member A in simvastatin-treated cells by 45%-85% compared with control. Consistent with impaired Ras homolog family member A activation, simvastatin treatment reduced tumor gel contraction where gel area was 122%-153% larger than control. Furthermore, simvastatin treatment led to reduced levels of mechanical signaling proteins involved in ß1 integrin downstream signaling, such as A-kinase anchor protein 13, Rho-associated protein kinase 1, myosin light-chain kinase, and cyclin D1. CONCLUSION: The results of this study suggest a possible therapeutic role of simvastatin in restoring the altered state of mechanotransduction signaling in leiomyoma. Collectively, these findings are aligned with previous epidemiologic studies and other reports and support the need for clinical trials.


Assuntos
Inibidores de Hidroximetilglutaril-CoA Redutases/farmacologia , Leiomioma/genética , Mecanotransdução Celular/efeitos dos fármacos , Sinvastatina/farmacologia , Neoplasias Uterinas/genética , Proteínas de Ancoragem à Quinase A/efeitos dos fármacos , Proteínas de Ancoragem à Quinase A/genética , Proteínas de Ancoragem à Quinase A/metabolismo , Colágeno Tipo I/efeitos dos fármacos , Colágeno Tipo I/genética , Colágeno Tipo I/metabolismo , Ciclina D1/efeitos dos fármacos , Ciclina D1/genética , Ciclina D1/metabolismo , Matriz Extracelular/efeitos dos fármacos , Matriz Extracelular/genética , Matriz Extracelular/metabolismo , Feminino , Proteína-Tirosina Quinases de Adesão Focal/efeitos dos fármacos , Proteína-Tirosina Quinases de Adesão Focal/genética , Proteína-Tirosina Quinases de Adesão Focal/metabolismo , Humanos , Integrina beta1/efeitos dos fármacos , Integrina beta1/genética , Integrina beta1/metabolismo , Leiomioma/metabolismo , Mecanotransdução Celular/genética , Antígenos de Histocompatibilidade Menor/efeitos dos fármacos , Antígenos de Histocompatibilidade Menor/genética , Antígenos de Histocompatibilidade Menor/metabolismo , Quinase de Cadeia Leve de Miosina/efeitos dos fármacos , Quinase de Cadeia Leve de Miosina/genética , Quinase de Cadeia Leve de Miosina/metabolismo , Fosforilação , Cultura Primária de Células , Proteínas Proto-Oncogênicas/efeitos dos fármacos , Proteínas Proto-Oncogênicas/genética , Proteínas Proto-Oncogênicas/metabolismo , RNA Mensageiro/efeitos dos fármacos , RNA Mensageiro/metabolismo , Neoplasias Uterinas/metabolismo , Quinases Associadas a rho/efeitos dos fármacos , Quinases Associadas a rho/genética , Quinases Associadas a rho/metabolismo , Proteína rhoA de Ligação ao GTP/efeitos dos fármacos , Proteína rhoA de Ligação ao GTP/genética , Proteína rhoA de Ligação ao GTP/metabolismo
6.
Am J Obstet Gynecol ; 223(5): 674-708.e8, 2020 11.
Artigo em Inglês | MEDLINE | ID: mdl-32474012

RESUMO

OBJECTIVE: Despite the high prevalence of uterine fibroids, the psychosocial impact of fibroids has not been evaluated across different quality of life indicators and compared with other chronic conditions. Here, we rigorously analyzed available evidence pertaining to the psychosocial burden of uterine fibroids in premenopausal women and compared validated quality of life and symptom scores before and after treatment. DATA SOURCES: We searched PubMed, PsycINFO, ClinicalTrials.gov, Embase, and Cochrane Library for publications from January 1990 to January 2020. STUDY ELIGIBILITY CRITERIA: We considered English-language publications that evaluated the association between uterine fibroids diagnosed by imaging studies in premenopausal women and quality of life by standardized and validated questionnaires at baseline and after treatment. We used a detailed list of terms related to quality of life, questionnaires, and uterine fibroids to conduct the search. METHODS: Three reviewers screened titles and abstracts and then obtained full-text articles for further analysis. The reviewers assessed risk of bias using established Cochrane and Newcastle-Ottawa Scale guidelines. The quality of life scores of premenopausal women with fibroids were reviewed at baseline and compared with those of published quality of life scores in other disease populations in addition to after fibroid treatment. RESULTS: A total of 57 studies were included in the review: 18 randomized controlled trials and 39 observational studies. Of note, the 36-Item Short Form Survey and European Quality of Life Five-Dimension Scale questionnaires both indicated a diagnosis of uterine fibroids to have a disability score that was similar to or exceeded (was a greater psychosocial stressor) a diagnosis of heart disease, diabetes mellitus, or breast cancer. Quality of life scores were lower at baseline than after treatment in all instruments measuring these variables in women with uterine fibroids, indicating significantly impaired psychosocial functioning. Uterine fibroids were associated with significant patient-reported health disabilities related to bodily pain, mental health, social functioning, and satisfaction with sex life. CONCLUSION: A diagnosis of uterine fibroids was a significant psychosocial stressor among women at baseline and relative to other diseases. Validated quality of life instruments indicated therapeutic success and the improvement of both physical and emotional symptoms after treatment.


Assuntos
Leiomioma/psicologia , Saúde Mental , Qualidade de Vida , Saúde Sexual , Participação Social , Neoplasias Uterinas/psicologia , Contraceptivos Hormonais/uso terapêutico , Feminino , Hormônio Liberador de Gonadotropina/agonistas , Hormônio Liberador de Gonadotropina/antagonistas & inibidores , Humanos , Histerectomia , Leiomioma/fisiopatologia , Leiomioma/terapia , Pré-Menopausa , Embolização da Artéria Uterina , Miomectomia Uterina , Neoplasias Uterinas/fisiopatologia , Neoplasias Uterinas/terapia
7.
J Assist Reprod Genet ; 35(1): 17-23, 2018 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-28971280

RESUMO

There are large variations in the number of oocytes within each woman, and biologically, the total quantity is at its maximum before the woman is born. Scientific knowledge is limited about factors controlling the oocyte pool and how to measure it. Within fertility clinics, there is no uniform agreement on the diagnostic criteria for each common measure of ovarian reserve in women, and thus, studies often conflict. While declining oocyte quantity/quality is a normal physiologic occurrence as women age, some women experience diminished ovarian reserve (DOR) much earlier than usual and become prematurely infertile. Key clinical features of DOR are the presence of regular menstrual periods and abnormal-but-not-postmenopausal ovarian reserve test results. A common clinical challenge is counseling patients with conflicting ovarian reserve test results. The clinical diagnosis of DOR and the interpretation of ovarian reserve testing are complicated by changing lab testing options and processing for anti-mullerian hormone since 2010. Further, complicating the diagnostic and research scenario is the existence of other distinct yet related clinical terms, specifically premature ovarian failure, primary ovarian insufficiency, poor ovarian response, and functional ovarian reserve. The similarities and differences between the definitions of DOR with each of these four terms are reviewed. We recommend greater medical community involvement in terminology decisions, and the addition of DOR-specific medical subject-heading search terms.


Assuntos
Técnicas de Diagnóstico Endócrino , Técnicas de Diagnóstico Obstétrico e Ginecológico , Doenças Ovarianas/diagnóstico , Reserva Ovariana/fisiologia , Insuficiência Ovariana Primária/classificação , Feminino , Humanos , Infertilidade Feminina/diagnóstico , Infertilidade Feminina/etiologia , Doenças Ovarianas/classificação , Insuficiência Ovariana Primária/diagnóstico , Reprodução/fisiologia , Terminologia como Assunto
8.
J Assist Reprod Genet ; 35(7): 1135-1148, 2018 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-29691711

RESUMO

PURPOSE: Mammalian oogenesis and folliculogenesis share a dynamic connection that is critical for gamete development. For maintenance of quiescence or follicular activation, follicles must respond to soluble signals (growth factors and hormones) and physical stresses, including mechanical forces and osmotic shifts. Likewise, mechanical processes are involved in cortical tension and cell polarity in oocytes. Our objective was to examine the contribution and influence of biomechanical signaling in female mammalian gametogenesis. METHODS: We performed a systematic review to assess and summarize the effects of mechanical signaling and mechanotransduction in oocyte maturation and folliculogenesis and to explore possible clinical applications. The review identified 2568 publications of which 122 met the inclusion criteria. RESULTS: The integration of mechanical and cell signaling pathways in gametogenesis is complex. Follicular activation or quiescence are influenced by mechanical signaling through the Hippo and Akt pathways involving the yes-associated protein (YAP), transcriptional coactivator with PDZ-binding motif (TAZ), phosphatase and tensin homolog deleted from chromosome 10 (PTEN) gene, the mammalian target of rapamycin (mTOR), and forkhead box O3 (FOXO3) gene. CONCLUSIONS: There is overwhelming evidence that mechanical signaling plays a crucial role in development of the ovary, follicle, and oocyte throughout gametogenesis. Emerging data suggest the complexities of mechanotransduction and the biomechanics of oocytes and follicles are integral to understanding of primary ovarian insufficiency, ovarian aging, polycystic ovary syndrome, and applications of fertility preservation.


Assuntos
Mecanotransdução Celular/fisiologia , Oogênese/fisiologia , Ovário/fisiologia , Transdução de Sinais/fisiologia , Animais , Feminino , Humanos , Oócitos/fisiologia , Folículo Ovariano/fisiologia
9.
Crit Rev Food Sci Nutr ; 57(17): 3583-3600, 2017 Nov 22.
Artigo em Inglês | MEDLINE | ID: mdl-28609115

RESUMO

Uterine fibroids (myomas or leiomyomas) are common benign tumors of reproductive aged women. Fibroids are clinically apparent in 20-50% of women, and cause abnormal uterine bleeding, abdominal pain and discomfort, pregnancy complications and infertility. Unfortunately, limited numbers of medical treatment are available but no effective preventive strategies exist. Moreover, the benefits of medical treatments are tempered by lack of efficacy or serious adverse side effects. Fibrosis has recently been recognized as a key pathological event in leiomyoma development and growth. It is defined by the excessive deposition of extracellular matrix (ECM). ECM plays important role in making bulk structure of leiomyoma, and ECM-rich rigid structure is believed to be a cause of abnormal bleeding and pelvic pain/pressure. Dietary phytochemicals are known to regulate fibrotic process in different biological systems, and being considered as potential tool to manage human health. At present, very few dietary phytochemicals have been studied in uterine leiomyoma, and they are mostly known for their antiproliferative effects. Therefore, in this review, our aim was to introduce some dietary phytochemicals that could target fibrotic processes in leiomyoma. Thus, this review could serve as useful resource to develop antifibrotic drugs for possible prevention and treatment of uterine fibroids.


Assuntos
Leiomioma/tratamento farmacológico , Compostos Fitoquímicos/uso terapêutico , Neoplasias Uterinas/tratamento farmacológico , Feminino , Humanos , Leiomioma/prevenção & controle , Gravidez , Neoplasias Uterinas/prevenção & controle
10.
Curr Opin Obstet Gynecol ; 29(3): 175-179, 2017 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-28410349

RESUMO

PURPOSE OF REVIEW: Due to the fact that the Zika virus can be sexually transmitted, there is a potential risk for disease transmission at several stages of assisted reproduction. Such a possibility poses a serious challenge to couples pursing fertility with reproductive technologies. Here, we discuss what is known regarding Zika virus infection with respect to sexual transmission and correlate this knowledge with recent recommendations in the realm of infertility treatment. RECENT FINDINGS: Zika virus can be transmitted from infected men and women through vaginal, oral or anal intercourse. Zika virus RNA has been detected in blood, semen, cervical mucus and vaginal fluid. Currently, the Centers for Disease Control recommends that infected men wait 6 months, and infected women 8 weeks, prior to attempting pregnancy. Reproductive tissue donors should wait 6 months before giving a specimen. SUMMARY: Further study of Zika virus transmission in different reproductive tissues and establishment of validated testing methods for viral disease transmissibility are urgently needed. Reproductive technologists need to establish screening, testing and laboratory protocols aimed to reduce the risk of Zika virus transmission during assisted reproduction.


Assuntos
Complicações Infecciosas na Gravidez/virologia , Técnicas de Reprodução Assistida , Infecção por Zika virus/transmissão , Anormalidades Congênitas/virologia , Aconselhamento , Feminino , Humanos , Transmissão Vertical de Doenças Infecciosas , Masculino , Doação de Oócitos , Cuidado Pré-Concepcional , Gravidez , RNA Viral/sangue , Espermatozoides , Doadores de Tecidos , Zika virus/genética , Infecção por Zika virus/complicações , Infecção por Zika virus/diagnóstico
11.
J Assist Reprod Genet ; 34(6): 709-722, 2017 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-28365839

RESUMO

PURPOSE: The purpose of this study was to summarize the latest advances and successes in the field of ovarian tissue cryopreservation while identifying gaps in current knowledge that suggest opportunities for future research. METHODS: A systematic review was performed according to PRISMA guidelines for all relevant full-text articles in PubMed published in English that reviewed or studied historical or current advancements in ovarian tissue cryopreservation and auto-transplantation techniques. RESULTS: Ovarian tissue auto-transplantation in post-pubertal women is capable of restoring fertility with over 80 live births currently reported with a corresponding pregnancy rate of 23 to 37%. The recently reported successes of live births from transplants, both in orthotopic and heterotopic locations, as well as the emerging methods of in vitro maturation (IVM), in vitro culture of primordial follicles, and possibility of in vitro activation (IVA) suggest new fertility options for many women and girls. Vitrification, as an ovarian tissue cryopreservation technique, has also demonstrated successful live births and may be a more cost-effective method to freezing with less tissue injury. Further, transplantation via the artificial ovary with an extracellular tissue matrix (ECTM) scaffolding as well as the effects of sphingosine-1-phosphate (SIP) and fibrin modified with heparin-binding peptide (HBP), heparin, and a vascular endothelial growth factor (VEGF) have demonstrated important advancements in fertility preservation. As a fertility preservation method, ovarian tissue cryopreservation and auto-transplantation are currently considered experimental, but future research may pave the way for these modalities to become a standard of care for women facing the prospect of sterility from ovarian damage.


Assuntos
Criopreservação/tendências , Fertilidade/fisiologia , Folículo Ovariano/metabolismo , Ovário/metabolismo , Feminino , Preservação da Fertilidade , Humanos , Nascido Vivo , Folículo Ovariano/crescimento & desenvolvimento , Ovário/crescimento & desenvolvimento , Gravidez , Vitrificação
12.
Clin Obstet Gynecol ; 59(1): 30-52, 2016 03.
Artigo em Inglês | MEDLINE | ID: mdl-26756261

RESUMO

Fibroids are the most common tumor of the female reproductive tract, but approved medical treatments are limited. Patients demand uterine-sparing treatments which preserve fertility and avoid surgery. We systematically reviewed PubMed and Cochrane databases from January 1985 to November 2015 for evidence-based medical therapies for fibroids in the context of disease prevention, treatment of early disease, treatment of symptomatic disease, and preoperative management. We identified 2182 studies, of which 52 studies met inclusion and exclusion criteria. Published data affirm the efficacy of multiple agents, which are promising avenues for the development of medical alternatives to surgery.


Assuntos
Androgênios/uso terapêutico , Inibidores da Aromatase/uso terapêutico , Anticoncepcionais Femininos/uso terapêutico , Hormônio Liberador de Gonadotropina/agonistas , Antagonistas de Hormônios/uso terapêutico , Leiomioma/tratamento farmacológico , Extratos Vegetais/uso terapêutico , Neoplasias Uterinas/tratamento farmacológico , Anticoncepcionais Orais Combinados/uso terapêutico , Curcumina , Preparações de Ação Retardada , Medicamentos de Ervas Chinesas/uso terapêutico , Estradiol/análogos & derivados , Estradiol/uso terapêutico , Estrenos/uso terapêutico , Antagonistas do Receptor de Estrogênio/uso terapêutico , Medicina Baseada em Evidências , Feminino , Fulvestranto , Hormônio Liberador de Gonadotropina/antagonistas & inibidores , Humanos , Dispositivos Intrauterinos Medicados , Leiomioma/prevenção & controle , Levanogestrel/uso terapêutico , Acetato de Medroxiprogesterona/uso terapêutico , Mifepristona/uso terapêutico , Terapia Neoadjuvante , Norpregnadienos/uso terapêutico , Oximas/uso terapêutico , Receptores de Progesterona/antagonistas & inibidores , Moduladores Seletivos de Receptor Estrogênico/uso terapêutico , Chá , Miomectomia Uterina , Neoplasias Uterinas/prevenção & controle , Vitamina D/uso terapêutico , Vitaminas/uso terapêutico
13.
Biol Reprod ; 92(1): 25, 2015 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-25411389

RESUMO

Dynamic reciprocity (DR) refers to the ongoing, bidirectional interaction between cells and their microenvironment, specifically the extracellular matrix (ECM). The continuous remodeling of the ECM exerts mechanical force on cells and modifies biochemical mediators near the cell membrane, thereby initiating cell-signaling cascades that produce changes in gene expression and cell behavior. Cellular changes, in turn, affect the composition and organization of ECM components. These continuous interactions are the fundamental principle behind DR, and its critical role throughout development and adult tissue homeostasis has been extensively investigated. While DR in the mammary gland has been well described, we provide direct evidence that similar dynamic interactions occur in other areas of reproductive biology as well. In order to establish the importance of DR in the adaptive functioning of the female reproductive tract, we present our most current understanding of DR in reproductive tissues, exploring the mammary gland, ovary, and uterus. In addition to explaining normal physiological function, investigating DR may shed new light into pathologic processes that occur in these tissues and provide an exciting opportunity for novel therapeutic intervention.


Assuntos
Comunicação Celular/fisiologia , Microambiente Celular/fisiologia , Reprodução/fisiologia , Adulto , Animais , Matriz Extracelular/fisiologia , Feminino , Humanos , Mecanotransdução Celular/fisiologia , Ovário/citologia , Ovário/fisiologia , Útero/citologia , Útero/fisiologia
14.
Mol Reprod Dev ; 82(1): 2-16, 2015 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-25581424

RESUMO

Animal studies in the 1980s suggested the existence of an ovarian hormone, termed gonadotropin surge-inhibiting/attenuating factor (GnSIF/AF), that modulates pituitary secretion of luteinizing hormone (LH). Given the importance of identifying regulatory factors of the hypothalamic-pituitary-ovarian axis and the accumulating data suggesting its existence, we conducted a comprehensive literature search using PubMed, Web of Science, Scopus, and Embase to identify articles related to GnSIF/AF. The search generated 161 publications, of which 97 were included in this study. Several attempts have been made to identify and characterize this hormone and several candidates have been identified, but the protein sequences of these putative GnSIF/AF factors differ widely from one study to another. In addition, while the RF-amide RFRP-3 is known foremost as a neuropeptide, some research supports an ovarian origin for this non-steroidal hormone, thereby suggesting a role for RFRP-3 either as a co-modulator of GnSIF/AF or as a gonadotropin-inhibiting factor in the hypothalamus (GnIH). Discovery of the KNDy neurons that modulate GnRH secretion, on the other hand, further encourages the search for substance(s) that modulate their activity and that indirectly affect LH secretion and the hypothalamic-pituitary-ovarian axis. While it has remained an elusive hormone, GnSIF/AF holds many potential applications for contraception, in vitro fertilization, and/or cancer as well as for understanding polycystic ovary syndrome, metabolic diseases, and/or pubertal development. In this review, we rigorously examine the available evidence regarding the existence of GnSIF/AF, previous attempts at its identification, limitations to its discovery, future directions of research, and potential clinical applications.


Assuntos
Gonadotropinas/metabolismo , Hipotálamo/metabolismo , Neuropeptídeos/metabolismo , Ovário/metabolismo , Hipófise/metabolismo , Animais , Feminino , Humanos , Hormônio Luteinizante/metabolismo , Neurônios/metabolismo
15.
Reprod Biomed Online ; 31(3): 364-71, 2015 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-26194882

RESUMO

Infertility is a common disease, which causes many couples to seek treatment with assisted reproduction techniques. Many factors contribute to successful assisted reproduction technique outcomes. One important factor is laboratory environment and air quality. Our facility had the unique opportunity to compare consecutively used, but separate assisted reproduction technique laboratories, as a result of a required move. Environmental conditions were improved by strategic engineering designs. All other aspects of the IVF laboratory, including equipment, physicians, embryologists, nursing staff and protocols, were kept constant between facilities. Air quality testing showed improved air quality at the new IVF site. Embryo implantation (32.4% versus 24.3%; P < 0.01) and live birth (39.3% versus 31.8%, P < 0.05) were significantly increased in the new facility compared with the old facility. More patients met clinical criteria and underwent mandatory single embryo transfer on day 5 leading to both a reduction in multiple gestation pregnancies and increased numbers of vitrified embryos per patient with supernumerary embryos available. Improvements in IVF laboratory conditions and air quality had profound positive effects on laboratory measures and patient outcomes. This study further strengthens the importance of the laboratory environment and air quality in the success of an IVF programme.


Assuntos
Poluição do Ar em Ambientes Fechados , Fertilização in vitro/métodos , Laboratórios , Adolescente , Adulto , Implantação do Embrião , Feminino , Humanos , Nascido Vivo , Gravidez , Resultado da Gravidez , Estudos Retrospectivos , Resultado do Tratamento , Adulto Jovem
16.
J Assist Reprod Genet ; 32(3): 323-35, 2015 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-25547950

RESUMO

PURPOSE: To review the current literature regarding the role of vitamin D status in pregnancy outcomes in women undergoing assisted reproductive technology (ART) and to assess cost-effectiveness of routine vitamin D deficiency screening and repletion prior to initiation of ART. METHODS: A systematic literature review was conducted using PubMed. Relevant study outcomes were compared among the selected studies. A cost-benefit analysis was performed using a decision tree mathematical model with sensitivity analyses from the perspective of direct societal cost. Published data were used to estimate probabilities and costs in 2014 US dollars. RESULTS: Thirty-four articles were retrieved, of which eight met inclusion criteria. One study demonstrated a negative relationship between vitamin D status and ART outcomes, while two studies showed no association. The remaining five studies concluded that ART outcomes improved after vitamin D repletion. CONCLUSION: The majority of reviewed studies reported a decrement in ART outcomes in patients with vitamin D deficiency. Cost-benefit analyses suggested that screening and supplementing vitamin D prior to ART might be cost effective, but further evidence is needed. Given the absence of Level I evidence regarding vitamin D status and ART outcomes, full endorsement of routine vitamin D screening and supplementation prior to ART is premature.


Assuntos
Resultado da Gravidez , Técnicas de Reprodução Assistida , Deficiência de Vitamina D/dietoterapia , Vitamina D/administração & dosagem , Adulto , Análise Custo-Benefício , Feminino , Humanos , Gravidez , Reprodução/efeitos dos fármacos , Vitamina D/genética , Deficiência de Vitamina D/diagnóstico , Deficiência de Vitamina D/metabolismo
17.
Curr Opin Obstet Gynecol ; 26(3): 151-61, 2014 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-24751998

RESUMO

PURPOSE OF REVIEW: Magnetic-resonance-guided focused ultrasound surgery (MRgFUS) is a minimally invasive technique for the treatment of uterine fibroids. The purpose of this review is to highlight the impact of MRgFUS on fertility and reproductive outcomes. RECENT FINDINGS: The role of MRgFUS in the treatment of fibroids has been evolving since its introduction in 2004. Several new devices and techniques including location-specific treatment, volumetric therapy, and vessel-targeted therapy have been introduced over the last few years. Several case series report uncomplicated pregnancy following MRgFUS; however, results of the ongoing studies will further elucidate the utility of MRgFUS in patients planning future fertility. A systematic review of the literature was completed and studies that reported quality of life at baseline and after 6 months were included in a meta-analysis. SUMMARY: MRgFUS represents a minimally invasive treatment for uterine fibroids that is able to improve the quality of life and fibroid size with durability. It is possible that MRgFUS could be the treatment of choice for patients desiring future fertility; however, further investigation is needed.


Assuntos
Fertilidade , Leiomioma/patologia , Imageamento por Ressonância Magnética , Terapia por Ultrassom , Neoplasias Uterinas/patologia , Adulto , Medicina Baseada em Evidências , Feminino , Humanos , Leiomioma/terapia , Pessoa de Meia-Idade , Seleção de Pacientes , Gravidez , Qualidade de Vida , Resultado do Tratamento , Neoplasias Uterinas/terapia
18.
J Assist Reprod Genet ; 31(8): 935-46, 2014 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-24840722

RESUMO

PURPOSE: Diminished ovarian reserve (DOR) affects 10 % of women seeking fertility treatment. Although it is much more prevalent than premature ovarian failure, less is known about its etiology. The purpose of this article is to review the possible genetic causes of, and associations with, pathologic DOR. METHODS: A systematic review was conducted using PubMed from 1966 through November 2013. RESULTS: Twenty-one articles identified genes associated with DOR: one gene mutation (FMR1), three polymorphisms (GDF9, FSHR, and ESR1), and seven genes differentially expressed between women with DOR and controls (AMH, LHCGR, IGF1, IGF2, IGF1R, IGF2R and GREM1). Six candidate genes were discovered in mice, including Foxl2, Gdf9, Bmp15, Aire, Wnt4, and Gpr3. Two case reports of chromosomal translocations were also identified. CONCLUSIONS: While the etiology of pathologic DOR is likely multifactorial, it is possible that many cases attributed to an idiopathic cause may have a genetic component. Larger studies are needed to expose the impact gene mutations, polymorphisms, and epigenetics have on pathologic DOR.


Assuntos
Predisposição Genética para Doença , Reserva Ovariana/genética , Insuficiência Ovariana Primária/genética , Animais , Feminino , Humanos , Camundongos
19.
Reprod Sci ; 31(1): 1-16, 2024 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-37500976

RESUMO

Autoimmune primary ovarian insufficiency (POI) is a devastating disease with limited clinical guidance. The objective of this systematic review was to identify treatments for autoimmune POI and analyze their efficacy. A comprehensive search of CINAHL, Cochrane, Embase, PubMed, Scopus, and Web of Science was performed from inception to April 2022. English language publications that evaluated women with autoimmune POI after a documented intervention were included. Animal models of autoimmune POI were also included. Risk of bias was assessed with the SYRCLE's risk of bias tool for animal studies or the NIH Quality Assessment Tool for Case Series as appropriate. Twenty-eight studies were included in this review, with 11 RCTs, 15 case reports, and 2 case series. Seventeen studies were in humans, and 11 were in animal models. No completed RCTs, cohort studies, or case-control studies were identified in humans. In observational human studies, corticosteroids were effective in select patients. In many case reports, adequate treatment of comorbid autoimmune conditions resulted in return of menses, hormonal normalization, or spontaneous pregnancy. In terms of assisted reproductive technologies, there was case report evidence for both in vitro fertilization (IVF) and in vitro maturation (IVM) in women wishing to conceive with their own oocytes. Ovulation induction, IVF, and IVM resulted in a total of 15 pregnancies and 14 live births. In animal models, there was additional evidence for stem cell therapies and treatments used in traditional Chinese medicine, although this research may not be generalizable to humans. Furthermore, litter size was not evaluated in any of the animal studies. Additional research is needed to establish the efficacy of current treatments for autoimmune POI with a controlled experimental design and larger sample size. Additionally, there is a critical need to develop novel therapies for this condition, as understanding of its pathophysiology and  available tools to modulate the immune response have progressed.


Assuntos
Infertilidade Feminina , Ooforite , Poliendocrinopatias Autoimunes , Animais , Feminino , Humanos , Gravidez , Fertilização in vitro/métodos , Infertilidade Feminina/etiologia , Nascido Vivo , Ooforite/terapia , Poliendocrinopatias Autoimunes/terapia , Taxa de Gravidez , Técnicas de Reprodução Assistida/efeitos adversos
20.
Fertil Steril ; 121(3): 400-425, 2024 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-38246400

RESUMO

Fibroids significantly impact the quality of life (QOL) and mental health of affected women. However, there are limited comparative data on QOL measures after medical, surgical, and radiologic interventions in women with fibroids. This study aimed to assess the current literature evaluating the impact of fibroids on QOL measures using several validated questionnaires for radiologic, medical, or surgical interventions or a combination of interventions before and after treatment. PubMed, PsycINFO, ClinicalTrials.gov, Embase, and Cochrane Library were searched from January 1990 to October 2023 to evaluate the available evidence, and the risk of bias was assessed using Cochrane RoB 2.0 or the Newcastle-Ottawa Scale. The review criteria included randomized controlled trials (RCTs) and observational cohort studies that included premenopausal women with symptomatic uterine fibroids, confirmed by imaging, who underwent an intervention to target fibroid disease. Only reports using validated questionnaires with a numerical baseline (pretreatment) and posttreatment scores were included. The exclusion criteria included perimenopausal or postmenopausal patients, conditions in addition to uterine fibroids that share similar symptoms, or studies that did not focus on QOL assessment. Abstracts were screened, and full texts were reviewed to determine whether studies met the inclusion criteria. A total of 67 studies were included after final review: 18 RCTs and 49 observational studies. All interventions were associated with a significant improvement in uterine fibroid-specific QOL measures, mental health metrics, and a reduction in symptom severity scores after treatment. These data reveal a substantial impact of uterine fibroids on the QOL and mental health of women with fibroids and indicate the metrics that can be used to compare the effectiveness of fibroid treatment options.


Assuntos
Leiomioma , Saúde Mental , Qualidade de Vida , Neoplasias Uterinas , Humanos , Leiomioma/terapia , Leiomioma/psicologia , Feminino , Neoplasias Uterinas/terapia , Neoplasias Uterinas/psicologia , Resultado do Tratamento , Estudos Observacionais como Assunto
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