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Szczurowska E, Szánti-Pintér E, Chetverikov N, Randáková A, Kudová E, Jakubík J. Modulation of Muscarinic Signalling in the Central Nervous System by Steroid Hormones and Neurosteroids. Int J Mol Sci 2022; 24:ijms24010507. [PMID: 36613951 PMCID: PMC9820491 DOI: 10.3390/ijms24010507] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Revised: 12/16/2022] [Accepted: 12/19/2022] [Indexed: 12/29/2022] Open
Abstract
Muscarinic acetylcholine receptors expressed in the central nervous system mediate various functions, including cognition, memory, or reward. Therefore, muscarinic receptors represent potential pharmacological targets for various diseases and conditions, such as Alzheimer's disease, schizophrenia, addiction, epilepsy, or depression. Muscarinic receptors are allosterically modulated by neurosteroids and steroid hormones at physiologically relevant concentrations. In this review, we focus on the modulation of muscarinic receptors by neurosteroids and steroid hormones in the context of diseases and disorders of the central nervous system. Further, we propose the potential use of neuroactive steroids in the development of pharmacotherapeutics for these diseases and conditions.
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Affiliation(s)
- Ewa Szczurowska
- Institute of Organic Chemistry and Biochemistry, Czech Academy of Sciences, Flemingovo Náměstí 2, Prague 6, 166 10 Prague, Czech Republic
| | - Eszter Szánti-Pintér
- Institute of Organic Chemistry and Biochemistry, Czech Academy of Sciences, Flemingovo Náměstí 2, Prague 6, 166 10 Prague, Czech Republic
| | - Nikolai Chetverikov
- Institute of Physiology, Czech Academy of Sciences, Vídeňská 1083, 142 20 Prague, Czech Republic
| | - Alena Randáková
- Institute of Physiology, Czech Academy of Sciences, Vídeňská 1083, 142 20 Prague, Czech Republic
| | - Eva Kudová
- Institute of Organic Chemistry and Biochemistry, Czech Academy of Sciences, Flemingovo Náměstí 2, Prague 6, 166 10 Prague, Czech Republic
- Correspondence: (E.K.); (J.J.)
| | - Jan Jakubík
- Institute of Physiology, Czech Academy of Sciences, Vídeňská 1083, 142 20 Prague, Czech Republic
- Correspondence: (E.K.); (J.J.)
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Walf AA, Paris JJ, Frye CA. Chronic estradiol replacement to aged female rats reduces anxiety-like and depression-like behavior and enhances cognitive performance. Psychoneuroendocrinology 2009; 34:909-16. [PMID: 19216030 PMCID: PMC2696690 DOI: 10.1016/j.psyneuen.2009.01.004] [Citation(s) in RCA: 88] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/01/2008] [Revised: 12/23/2008] [Accepted: 01/12/2009] [Indexed: 01/19/2023]
Abstract
Decline in the ovarian steroid, estradiol (E(2)), with the menopause transition may influence cognitive and affective processing of older women and there is evidence that hormone replacement therapies (HRTs) with E(2)-mimetics may provide benefit in some, but not all, women. The parameters that play a role in determining whether the response to HRTs is positive are of interest. It may be that the likelihood for positive responses is related to the timing of E(2)-replacement following E(2) decline. As such, in the present study an animal model was utilized to investigate this. We investigated the effects of long- versus short-term E(2)-replacement by examining cognitive (object placement task), anxiety (open field, mirror maze, light-dark transition task), and depression (forced swim task) behavior of female rats that were ovariectomized (OVX) at middle-age (14 months) or older (19 months) and implanted with E(2)-filled implants at the time of surgery or after a delay of 5 months, or OVX at 14 months of age and never replaced with E(2). Rats were tested at 20 months of age. The hypothesis that was tested was that rats would have reduced anxiety and depression behavior and improved cognitive performance with E(2)-replacement at ovarian cessation, compared to a delay in E(2)-replacement. Performance in the object placement task was improved in rats that were OVX and then received continuous E(2)-replacement, compared to those that were OVX and continuously administered placebo vehicle. In the open field and forced swim task, there was an increase in anti-anxiety and anti-depression behavior, respectively, among rats that were OVX and then received continuous E(2)-replacement, compared to OVX rats administered vehicle or those that experienced a delay in E(2)-replacement. In the mirror maze and light-dark transition task, E(2)-replacement at OVX, or after a delay, reduced anxiety-like behavior. Thus, E(2)-replacement reduced anxiety and depression behavior and improved cognitive performance of aged female rats; however, delay in E(2) treatment influenced whether there were favorable effects of E(2) in some tasks.
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Affiliation(s)
| | | | - Cheryl A. Frye
- Department of Psychology, Department of Biological Sciences, Centers for Neuroscience, Centers for Life Sciences Research
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Gasbarri A, Pompili A, d'Onofrio A, Cifariello A, Tavares MC, Tomaz C. Working memory for emotional facial expressions: role of the estrogen in young women. Psychoneuroendocrinology 2008; 33:964-72. [PMID: 18667277 DOI: 10.1016/j.psyneuen.2008.04.007] [Citation(s) in RCA: 55] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/04/2007] [Revised: 03/18/2008] [Accepted: 04/14/2008] [Indexed: 10/21/2022]
Abstract
Physiological hormonal fluctuations during the menstrual cycle, postpartum, and menopause have been implicated in the modulation of mood, cognition, and affective disorders. Taking into account that women's performance in memory tasks can also fluctuate with circulating hormones levels across the menstrual cycle, the cognitive performance in a working memory task for emotional facial expressions, using the six basic emotions as stimuli in the delayed matching-to-sample, was evaluated in young women in different phases of the menstrual cycle. Our findings suggest that high levels of estradiol in the follicular phase could have a negative effect on delayed matching-to-sample working memory task, using stimuli with emotional valence. Moreover, in the follicular phase, compared to the menstrual phase, the percent of errors was significantly higher for the emotional facial expressions of sadness and disgust. The evaluation of the response times (time employed to answer) for each facial expression with emotional valence showed a significant difference between follicular and luteal in reference to the emotional facial expression of sadness. Our results show that high levels of estradiol in the follicular phase could impair the performance of working memory. However, this effect is specific to selective facial expressions suggesting that, across the phases of the menstrual cycle, in which conception risk is high, women could give less importance to the recognition of the emotional facial expressions of sadness and disgust. This study is in agreement with research conducted on non-human primates, showing that fluctuations of ovarian hormones across the menstrual cycle influence a variety of social and cognitive behaviors. Moreover, our data could also represent a useful tool for investigating emotional disturbances linked to menstrual cycle phases and menopause in women.
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Affiliation(s)
- Antonella Gasbarri
- Department of Biomedical Sciences and Technologies, Faculty of Sciences of Education, University of L'Aquila, Italy.
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Walf AA, Frye CA. Estradiol decreases anxiety behavior and enhances inhibitory avoidance and gestational stress produces opposite effects. Stress 2007; 10:251-60. [PMID: 17613939 DOI: 10.1080/00958970701220416] [Citation(s) in RCA: 46] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/23/2022] Open
Abstract
Although there is evidence that estradiol has effects in women and in animal models to reduce anxiety and depressive behavior and enhance performance in some cognitive tasks, this is not seen among all individuals. Given the interaction between estradiol and hypothalamic-pituitary-adrenal function, we hypothesized that an individual's prior exposure to stress may mitigate some of the subsequent effects of estradiol. To address this, rats were exposed to gestational stress, or not, to determine if stress exposure during development alters behavioral responses to estradiol in adulthood. If estradiol's effects on anxiety and cognitive behavior are modulated by prior stress experience, then gestationally-stressed rats administered estradiol should have decreased anti-anxiety (open field, elevated plus maze) behavior and cognitive performance in the inhibitory avoidance task. Offspring of dams that were exposed to restraint stress daily on gestational days 14-20, or no such manipulation, were used as adults either intact in behavioral estrus (high estradiol) or diestrus (low estradiol), or ovariectomized (OVX) with empty or estradiol-containing silastic implants. Rats were used for blood collection to determine plasma corticosterone and estradiol concentrations, or were used for behavioral testing. Compared with rats in diestrus or OVX and vehicle-replaced, rats in behavioral estrus and OVX rats with estradiol implants had higher estradiol concentrations, entered more central squares in an open field, spent more time on the open arms of the plus maze, and had a longer latency to crossover to the dark, shock-associated side of the inhibitory avoidance chamber. Gestational stress increased plasma corticosterone but not estradiol levels, decreased plus maze open arm time in cycling rats, and decreased inhibitory avoidance performance. Thus, estradiol and gestational stress can have opposite effects on anxiety and inhibitory avoidance performance.
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Affiliation(s)
- Alicia A Walf
- Department of Psychology, Research, The University at Albany-SUNY, Albany, NY 12222, USA
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Epperson CN, Amin Z, Naftolin F, Cappiello A, Czarkowski KA, Stiklus S, Anderson GM, Krystal JH. The resistance to depressive relapse in menopausal women undergoing tryptophan depletion: preliminary findings. J Psychopharmacol 2007; 21:414-20. [PMID: 16891341 DOI: 10.1177/0269881106067330] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Changes in neuroendocrine function may predispose menopausal women to psychological disturbances characterized by depressed mood, anxiety, irritability, fatigue, insomnia, forgetfulness and decline in libido. The acute tryptophan depletion paradigm was employed to examine the serotonergic contribution to mood and cognitive function in menopausal women who were within 4 weeks of recovery from an episode of major depression. Menopausal women whose depression was responsive to treatment with oestradiol, the selective serotonin reuptake inhibitor fluoxetine, or a combination of both treatments underwent assessment of mood and verbal memory on active tryptophan depLetion and sham depletion test days. Although performance on the delayed paragraph recall subtest of the Wechsler Memory Scale was impaired by tryptophan depletion, no subjects experienced a relapse of depression or a significant worsening of mood. Results from this pilot study indicate that menopausal women who have recently recovered from a major depressive episode do not experience a worsening of mood with acute tryptophan depletion, despite the existence in this sample of some known risk factors for depressive relapse as a result of these procedures. While preliminary, the results suggest that serotonin may be less critical to the pathogenesis of depression during the menopause.
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Affiliation(s)
- C Neill Epperson
- Department of Psychiatry, Yale University School of Medicine, New Haven, CT 06511, USA.
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Schultz PN, Klein MJ, Beck ML, Stava C, Sellin RV. Breast cancer: relationship between menopausal symptoms, physiologic health effects of cancer treatment and physical constraints on quality of life in long-term survivors. J Clin Nurs 2005; 14:204-11. [PMID: 15669929 DOI: 10.1111/j.1365-2702.2004.01030.x] [Citation(s) in RCA: 71] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
AIMS AND OBJECTIVES The purpose of this study is to describe the relationship between menopausal symptoms, physiologic health effects of cancer treatment and the physical contributors to quality of life in long-term survivors of breast cancer. BACKGROUND The treatment of menopausal symptoms is hotly debated, especially for women with breast cancer. Common treatments for menopausal symptoms are considered to be contraindicated in women with breast cancer. DESIGN This is a descriptive, cross-sectional study of long-term breast cancer survivors; a subset of a study that responded to a mailed survey targeting long-term cancer survivors treated at The University of Texas M.D. Anderson Cancer Center. METHODS In 291 breast cancer patients information was available that included items that commonly relate to menopausal symptoms including hot flushes, painful sexual intercourse, inability to concentrate, fatigue and sleep disturbances. RESULTS Ninety per cent were Caucasian American and the mean time since diagnosis was 16 +/- 8 years. All patients had been treated with surgery, (60%) with radiotherapy, (68%) with chemotherapy and (37%) with hormonal therapy. Forty-six per cent of the breast cancer survivors indicated that having breast cancer affected their overall health. Self-reported health effects were more common in those survivors who had received a combination of chemotherapy and radiotherapy. A menopausal quality of life score was determined using the items about hot flushes, ability to concentrate, painful sexual intercourse, fatigue, unhappiness and sleep disturbances. CONCLUSIONS This study reminds us that breast cancer and menopause are independent issues. Quality of life parameters need to be rigidly defined and time sensitive. There are complex interactions between quality of life indicators and specific physiologic consequences of treatment. However, menopausal signs and symptoms may not be different for the breast cancer survivor and they should not be confused with the quality of life/psychosocial issues of the cancer survivor. RELEVANCE TO CLINICAL PRACTICE Menopause is not a disease process but a normal developmental stage for women. It is important for nurses not only to understand the client needs of the menopausal woman, but also to be able to differentiate between quality of life issues related to menopause and to cancer treatment in order to provide holistic nursing care.
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Wisniewski AB, Prendeville MT, Dobs AS. Handedness, functional cerebral hemispheric lateralization, and cognition in male-to-female transsexuals receiving cross-sex hormone treatment. ARCHIVES OF SEXUAL BEHAVIOR 2005; 34:167-172. [PMID: 15803250 DOI: 10.1007/s10508-005-1794-x] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/29/2003] [Revised: 01/21/2004] [Accepted: 02/21/2004] [Indexed: 05/24/2023]
Abstract
This study examined the impact of sex hormones on functional cerebral hemispheric lateralization and cognition in a group of male-to-female transsexuals receiving cross-sex hormone therapy compared to eugonadal men with a male gender identity. Cerebral lateralization was measured with a handedness questionnaire and a visual-split-field paradigm and cognitive tests sensitive to sex hormone exposure (identical pictures, 3-D mental rotation, building memory) were also administered. Endocrine measures on the day of participation for transsexual and control subjects included total testosterone, free testosterone, estradiol, gonadotropins, and sex hormone binding globulin concentrations. Compared to controls, male-to-female transsexuals had elevated estradiol and sex hormone binding globulin concentrations and suppressed testosterone concentrations. Transsexual subjects showed a trend toward less exclusive right-handedness than controls. No group differences were observed on the visual-split-field or cognitive tasks. No direct associations were observed between endocrine measures and the laterality measures and cognitive performance. Previous observations of female-typical patterns in cerebral lateralization and cognitive performance in male-to-female transsexuals were not found in the current study.
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Affiliation(s)
- Amy B Wisniewski
- Department of Pediatrics, Division of Pediatric Endocrinology, The Johns Hopkins University, Baltimore, Maryland, USA.
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Rhodes ME, Frye CA. Estrogen has mnemonic-enhancing effects in the inhibitory avoidance task. Pharmacol Biochem Behav 2005; 78:551-8. [PMID: 15251264 DOI: 10.1016/j.pbb.2004.03.025] [Citation(s) in RCA: 53] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/10/2004] [Revised: 03/05/2004] [Accepted: 03/10/2004] [Indexed: 11/22/2022]
Abstract
Gonadal hormones, such as estrogen, can alter cognitive performance. The present studies investigated the relationship between performance on the inhibitory avoidance task and endogenous fluctuations in ovarian hormones and estrogen replacement. In Experiment 1, proestrous or diestrous I female, or male, rats were trained in the inhibitory avoidance task. Following a 24-h intertrial delay, when female rats were tested in metestrus or diestrus II, no differences in crossover latencies were observed among groups. In Experiment 2, female rats in proestrus or diestrus I, and male rats, were trained in the inhibitory avoidance task and were tested following a 4-h intertrial delay (so that training and testing were accomplished in the same phase of the cycle). In this paradigm, proestrous rats had significantly longer crossover latencies than did either diestrous I or male rats. Posttraining administration of estrogen, but not progesterone, to ovariectomized rats increased crossover latencies compared to vehicle with a 4-h (Experiment 3) or 24-h (Experiment 4) intertrial delay. In Experiment 5, estrogen administration to ovariectomized rats immediately, but not 1, 2, or 3 h posttraining, increased crossover latencies compared to vehicle. Together, these data suggest that estrogen can have positive mnemonic effects in the inhibitory avoidance task.
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Affiliation(s)
- Madeline E Rhodes
- Department of Psychology, University at Albany-SUNY at Albany, 1400 Washington Avenue, Albany, NY 12222, USA
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Sandstrom NJ, Williams CL. Spatial memory retention is enhanced by acute and continuous estradiol replacement. Horm Behav 2004; 45:128-35. [PMID: 15019800 DOI: 10.1016/j.yhbeh.2003.09.010] [Citation(s) in RCA: 97] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/17/2003] [Revised: 07/21/2003] [Accepted: 09/09/2003] [Indexed: 10/26/2022]
Abstract
Estradiol replacement to ovariectomized female rats causes dramatic changes in hippocampal structure and function as well as in performance on hippocampally dependent tasks. Using a delayed matching-to-place version of the water maze, the present study examines the time course of estradiol-induced enhancements in memory retention as well as the effectiveness of acute and continuous patterns of replacement. One 10-microg injection of estradiol administered on each of two successive days resulted in significant improvements in memory retention that persisted for approximately 4 days following the second injection. When estradiol administration continued for 10 consecutive days, these improvements in memory retention persisted. These findings indicate that estradiol replacement can improve memory retention and that these improvements can be maintained by continuous replacement for at least 10 days.
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Affiliation(s)
- Noah J Sandstrom
- Department of Psychology, Williams College, Bronfman Science Center, Williamstown, MA 01267, USA.
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