Risk factors for diminished ovarian reserve and the role of endometriosis

Abstract Context Women with diminished ovarian reserve (DOR) have reduced fertility, cardiovascular events, and osteoporosis. Although differential microRNA (miRNA) expression has been described in several ovarian disorders, little is known about the role of miRNAs in the pathogenesis of DOR. Objective Identify differentially expressed miRNAs in DOR and explore the role of miR-106a in human granulosa cell proliferation. Design miRNA microarray (n = 3) and quantitative reverse transcription polymerase chain reaction (n = 30) were used to examine miRNA expression in serum and granulosa cells from normal-cycling and women with DOR. Primary human granulosa cells were treated alone or in combination with miR-106a mimic, miR-106a inhibitor, apoptosis signal-regulating kinase 1 (ASK1) small interfering RNA (siRNA), or p38 mitogen-activated protein kinase (MAPK) inhibitor (SB203580) before assessment of cell viability and apoptosis. Western blot was used to measure ASK1 protein and phosphorylation/activation of p38 MAPK. Binding of miR-106a to ASK1 mRNA was examined by 3′ untranslated region (3′UTR) luciferase analysis. Results Fifteen miRNAs were differentially expressed (n = 30), and miR-106a was downregulated in serum and granulosa cells of women with DOR. miR-106a mimic increased cell viability and attenuated apoptosis, whereas the converse occurred following treatment with miR-106a inhibitor. miR-106a suppressed ASK1 expression by directly targeting its 3′UTR. miR-106a inhibitor increased p38 MAPK phosphorylation/activation, and this effect was abolished by treatment with ASK1 siRNA. Whereas knockdown of ASK1 abolished the effects of miR-106a inhibitor on cell viability/apoptosis, pretreatment with SB203580 did not significantly alter the effects of miR-106a inhibitor. Conclusions Downregulation of miR-106a may contribute to the pathogenesis of DOR by reducing granulosa cell viability and promoting apoptosis via enhanced ASK1 signaling.

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Predisposing Risk Factors May Aid in Identifying Individuals With Diminished Ovarian Reserve [176]

Obstetrics and Gynecology ◽

10.1097/01.aog.0000463748.74865.90 ◽

2015 ◽

Vol 125 ◽

pp. 59S ◽

Cited By ~ 1

Author(s):

Courtney Ann Abshier ◽

Elizabeth A. Kennard ◽

Julie M. Sroga

Keyword(s):

Risk Factors ◽

Ovarian Reserve ◽

Diminished Ovarian Reserve

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The Role of Androgen Supplementation in Women With Diminished Ovarian Reserve: Time to Randomize, Not Meta-Analyze

Frontiers in Endocrinology ◽

10.3389/fendo.2021.653857 ◽

2021 ◽

Vol 12 ◽

Author(s):

Ana Raquel Neves ◽

Pedro Montoya-Botero ◽

Nikolaos P. Polyzos

Keyword(s):

Ovarian Reserve ◽

Clinical Studies ◽

Animal Studies ◽

Diminished Ovarian Reserve ◽

Inclusion Criteria ◽

Treatment Protocols ◽

Challenging Tasks ◽

Reserve Time ◽

Androgen Supplementation

The management of patients with diminished ovarian reserve (DOR) remains one of the most challenging tasks in IVF clinical practice. Despite the promising results obtained from animal studies regarding the importance of androgens on folliculogenesis, the evidence obtained from clinical studies remains inconclusive. This is mainly due to the lack of an evidence-based methodology applied in the available trials and to the heterogeneity in the inclusion criteria and IVF treatment protocols. In this review, we analyze the available evidence obtained from animal studies and highlight the pitfalls from the clinical studies that prevent us from closing the chapter of this line of research.

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Role of acquired and hereditary thrombotic risk factors in patients with ischemic colitis

Gastroenterology ◽

10.1016/s0016-5085(01)81398-6 ◽

2001 ◽

Vol 120 (5) ◽

pp. A282-A282

Author(s):

I KOUTROUBAKIS ◽

A SFIRIDAKI ◽

A THEODOROPOULOU ◽

A LIVADIOTAKI ◽

P DIMOULIOS ◽

...

Keyword(s):

Risk Factors ◽

Ischemic Colitis ◽

Thrombotic Risk

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Psychological Resilience Provides No Independent Protection From Suicidal Risk

Crisis ◽

10.1027/0227-5910/a000364 ◽

2016 ◽

Vol 37 (2) ◽

pp. 130-139 ◽

Cited By ~ 9

Author(s):

Danica W. Y. Liu ◽

A. Kate Fairweather-Schmidt ◽

Richard Burns ◽

Rachel M. Roberts ◽

Kaarin J. Anstey

Keyword(s):

Risk Factors ◽

Well Being ◽

Current Status ◽

Psychological Resilience ◽

Cross Sectional ◽

Life Project ◽

Resilience Factors ◽

First Time

Abstract. Background: Little is known about the role of resilience in the likelihood of suicidal ideation (SI) over time. Aims: We examined the association between resilience and SI in a young-adult cohort over 4 years. Our objectives were to determine whether resilience was associated with SI at follow-up or, conversely, whether SI was associated with lowered resilience at follow-up. Method: Participants were selected from the Personality and Total Health (PATH) Through Life Project from Canberra and Queanbeyan, Australia, aged 28–32 years at the first time point and 32–36 at the second. Multinomial, linear, and binary regression analyses explored the association between resilience and SI over two time points. Models were adjusted for suicidality risk factors. Results: While unadjusted analyses identified associations between resilience and SI, these effects were fully explained by the inclusion of other suicidality risk factors. Conclusion: Despite strong cross-sectional associations, resilience and SI appear to be unrelated in a longitudinal context, once risk/resilience factors are controlled for. As independent indicators of psychological well-being, suicidality and resilience are essential if current status is to be captured. However, the addition of other factors (e.g., support, mastery) makes this association tenuous. Consequently, resilience per se may not be protective of SI.

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Protective Factors and Suicidality in Members of Arab Kindred

Crisis ◽

10.1027/0227-5910/a000116 ◽

2012 ◽

Vol 33 (2) ◽

pp. 80-86 ◽

Cited By ~ 6

Author(s):

Sami Hamdan ◽

Nadine Melhem ◽

Israel Orbach ◽

Ilana Farbstein ◽

Mohammad El-Haib ◽

...

Keyword(s):

Risk Factors ◽

Protective Factors ◽

Suicidal Behavior ◽

Composite International Diagnostic Interview ◽

Diagnostic Interview ◽

Suicidal Risk ◽

Arab Population ◽

Psychiatric Interview ◽

History Of

Background: Relatively little is known about the role of protective factors in an Arab population in the presence of suicidal risk factors. Aims: To examine the role of protective factors in a subsample of in large Arab Kindred participants in the presence of suicidal risk factors. Methods: We assessed protective and risk factors in a sample of 64 participants (16 suicidal and 48 nonsuicidal) between 15 and 55 years of age, using a comprehensive structured psychiatric interview, the Composite International Diagnostic Interview (CIDI), self-reported depression, anxiety, hopelessness, impulsivity, hostility, and suicidal behavior in first-degree and second-relatives. We also used the Religiosity Questionnaire and suicide attitude (SUIATT) and multidimensional perceived support scale. Results: Suicidal as opposed to nonsuicidal participants were more likely to have a lifetime history of major depressive disorder (MDD) (68.8% vs. 22.9% χ2 = 11.17, p = .001), an anxiety disorder (87.5% vs. 22.9, χ2 = 21.02, p < .001), or posttraumatic stress disorder (PTSD) (25% vs. 0.0%, Fisher’s, p = .003). Individuals who are otherwise at high risk for suicidality have a much lower risk when they experience higher perceived social support (3.31 ± 1.36 vs. 4.96 ± 1.40, t = 4.10, df = 62, p < .001), and they have the view that suicide is somehow unacceptable (1.83 ± .10 vs. 1.89 ± .07, t = 2.76, df = 60, p = .008). Conclusions: Taken together with other studies, these data suggest that the augmentation of protective factors could play a very important role in the prevention of incidental and recurrent suicidal behavior in Arab populations, where suicidal behavior in increasing rapidly.

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