Behavioural Endocrinology and Sexual Dimorphism of Brain and Behaviour
行为内分泌学以及大脑和行为的性别二态性
基本信息
- 批准号:RGPIN-2016-05706
- 负责人:
- 金额:$ 2.99万
- 依托单位:
- 依托单位国家:加拿大
- 项目类别:Discovery Grants Program - Individual
- 财政年份:2019
- 资助国家:加拿大
- 起止时间:2019-01-01 至 2020-12-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Like the rest of the body, the nervous system takes on a male or female form and function due to the actions of sex hormones. Exploring these differences helps us learn about how the nervous system functions, specializes and remodels itself. To study the reciprocal relationships between hormones, the nervous system, and behaviour, we ask three basic questions: (1) How do sex hormones act on neural structures to cause them to take on male or female form? Our on-going research program focuses on model systems in the spinal cord, brainstem, and cerebellum, that we have previously linked to masculine sex-related behaviour and the actions of the sex steroid testosterone. In proposed research we will explore testosterone's influence on neural and genetic control of communicative behaviours active in sexual contexts. Additionally, we will map sex differences in previously understudied brainstem components of the male sexual circuitry. Other studies build on our work showing that the plasticizer bisphenol A (BPA) alters the structure of sex steroid-sensitive neurons in the spinal cord next, we will study effects in additional brain regions, and examine effects of BPA replacement substances that appear to have steroid-like actions of their own. We will also study how the effects of these substances on the structure of the brain are passed on to subsequent generations through epigenetic modification. (2) How do androgens like testosterone regulate behavioural processes? Several proposed experiments probe the role of androgens in the production of ultrasonic vocalizations, an important communicative behaviour in rats. We are interested in their signalling qualities, and relation to social and sexual development as determined by hormone exposure. In other work, we plan to thoroughly explore novel ways in which plasticizers, by mimicking steroids, alter the expression of normal sex differences in cognitive, emotional, and sexual behaviours in rats. (3) Reversing the relationship, how do behaviours and social cues alter sex hormones? Turning mostly to humans, we are interested in how ecologically-important environmental cues like dominance competitions, relationships, social settings, and reproductive opportunities provoke changes in testosterone release in men and women. Presumably, this mechanism is an ancient adaptation that coordinates physiology and neural mechanisms with environmental opportunities. Proposed studies probe endocrine reactivity in response to social inputs likes competition, teamwork, social exclusion, and mate stimuli. We will also systematically evaluate the impact of gender identity in determining social endocrine reactivity, alongside more traditional sex differences.*** *** *** **
像身体的其他部分一样,神经系统由于性激素的作用而呈现出男性或女性的形式和功能。探索这些差异有助于我们了解神经系统如何发挥功能,专门化和重塑自身。为了研究激素、神经系统和行为之间的相互关系,我们提出了三个基本问题:(1)性激素如何作用于神经结构,使它们呈现男性或女性的形式?我们正在进行的研究项目集中在脊髓,脑干和小脑中的模型系统,我们以前已经将其与男性性相关行为和性类固醇睾酮的作用联系起来。在拟议的研究中,我们将探讨睾酮对性环境中活跃的交流行为的神经和遗传控制的影响。此外,我们将映射性别差异,在以前研究不足的男性性回路脑干组件。其他研究建立在我们的工作基础上,表明增塑剂双酚A(BPA)改变了脊髓中性类固醇敏感神经元的结构接下来,我们将研究在其他大脑区域的影响,并检查BPA替代物质的影响,这些物质似乎具有类似类固醇的作用。我们还将研究这些物质对大脑结构的影响如何通过表观遗传修饰传递给后代。(2)雄激素如睾酮如何调节行为过程?几个拟议的实验探讨雄激素在超声波发声,一个重要的交流行为在大鼠的生产中的作用。我们感兴趣的是他们的信号质量,以及与社会和性发育的关系,这是由激素暴露决定的。在其他工作中,我们计划彻底探索增塑剂通过模仿类固醇来改变大鼠认知,情感和性行为中正常性别差异的表达的新方法。(3)逆转这种关系,行为和社会线索如何改变性激素?主要转向人类,我们感兴趣的是生态上重要的环境线索,如优势竞争,关系,社会环境和生殖机会如何引起男性和女性睾酮释放的变化。据推测,这种机制是一种古老的适应,它协调生理和神经机制与环境机会。拟议的研究探讨内分泌反应,以应对社会投入,如竞争,团队合作,社会排斥和配偶刺激。我们还将系统地评估性别认同在确定社会内分泌反应方面的影响,以及更传统的性别差异。*** *** **
项目成果
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Watson, Neil其他文献
Impact of the COVID-19 pandemic on Creutzfeldt-Jakob disease surveillance and patient care in the United Kingdom.
- DOI:
10.1111/ene.15228 - 发表时间:
2022-04 - 期刊:
- 影响因子:5.1
- 作者:
Watson, Neil;Kirby, Jack;Kurudzhu, Hatice;Leitch, Margaret;MacKenzie, Janet;Smith-Bathgate, Blaire;Smith, Colin;Summers, David;Green, Alison J. E.;Pal, Suvankar - 通讯作者:
Pal, Suvankar
Application of telehealth for comprehensive Creutzfeldt-Jakob disease surveillance in the United Kingdom
- DOI:
10.1016/j.jns.2020.117221 - 发表时间:
2021-01-27 - 期刊:
- 影响因子:4.4
- 作者:
Watson, Neil;Kurudzhu, Hatice;Pal, Suvankar - 通讯作者:
Pal, Suvankar
Expression of somatostatin and somatostatin receptor subtypes 1-5 in human normal and diseased kidney
- DOI:
10.1369/jhc.2008.950998 - 发表时间:
2008-08-01 - 期刊:
- 影响因子:3.2
- 作者:
Bhandari, Sunil;Watson, Neil;Atkin, Stephen L. - 通讯作者:
Atkin, Stephen L.
Sporadic Creutzfeldt-Jakob Disease in the young (50 and below): 10-year review of United Kingdom surveillance.
- DOI:
10.1007/s00415-022-11467-3 - 发表时间:
2023-02 - 期刊:
- 影响因子:6
- 作者:
Tam, Johnny;Centola, John;Kurudzhu, Hatice;Watson, Neil;MacKenzie, Janet;Leitch, Margaret;Hughes, Terri;Green, Alison;Summers, David;Barria, Marcelo;Smith, Colin;Pal, Suvankar - 通讯作者:
Pal, Suvankar
A complex ePrescribing-based Anti-Microbial Stewardship (ePAMS+) intervention for hospitals combining technological and behavioural components: protocol for a feasibility trial.
- DOI:
10.1186/s40814-022-01230-w - 发表时间:
2023-01-28 - 期刊:
- 影响因子:1.7
- 作者:
Weir, Christopher J.;Adamestam, Imad;Sharp, Rona;Ennis, Holly;Heed, Andrew;Williams, Robin;Cresswell, Kathrin;Dogar, Omara;Pontefract, Sarah;Coleman, Jamie;Lilford, Richard;Watson, Neil;Slee, Ann;Chuter, Antony;Beggs, Jillian;Slight, Sarah;Mason, James;Yardley, Lucy;Sheikh, Aziz - 通讯作者:
Sheikh, Aziz
Watson, Neil的其他文献
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{{ truncateString('Watson, Neil', 18)}}的其他基金
Behavioural Endocrinology and Sexual Dimorphism of Brain and Behaviour
行为内分泌学以及大脑和行为的性别二态性
- 批准号:
RGPIN-2016-05706 - 财政年份:2022
- 资助金额:
$ 2.99万 - 项目类别:
Discovery Grants Program - Individual
Behavioural Endocrinology and Sexual Dimorphism of Brain and Behaviour
行为内分泌学以及大脑和行为的性别二态性
- 批准号:
RGPIN-2016-05706 - 财政年份:2021
- 资助金额:
$ 2.99万 - 项目类别:
Discovery Grants Program - Individual
Behavioural Endocrinology and Sexual Dimorphism of Brain and Behaviour
行为内分泌学以及大脑和行为的性别二态性
- 批准号:
RGPIN-2016-05706 - 财政年份:2018
- 资助金额:
$ 2.99万 - 项目类别:
Discovery Grants Program - Individual
Behavioural Endocrinology and Sexual Dimorphism of Brain and Behaviour
行为内分泌学以及大脑和行为的性别二态性
- 批准号:
RGPIN-2016-05706 - 财政年份:2017
- 资助金额:
$ 2.99万 - 项目类别:
Discovery Grants Program - Individual
Sexual dimorphism in neural structure and function
神经结构和功能的性别二态性
- 批准号:
194522-2010 - 财政年份:2015
- 资助金额:
$ 2.99万 - 项目类别:
Discovery Grants Program - Individual
Sexual dimorphism in neural structure and function
神经结构和功能的性别二态性
- 批准号:
396052-2010 - 财政年份:2014
- 资助金额:
$ 2.99万 - 项目类别:
Discovery Grants Program - Accelerator Supplements
Sexual dimorphism in neural structure and function
神经结构和功能的性别二态性
- 批准号:
194522-2010 - 财政年份:2014
- 资助金额:
$ 2.99万 - 项目类别:
Discovery Grants Program - Individual
Sexual dimorphism in neural structure and function
神经结构和功能的性别二态性
- 批准号:
396052-2010 - 财政年份:2012
- 资助金额:
$ 2.99万 - 项目类别:
Discovery Grants Program - Accelerator Supplements
Sexual dimorphism in neural structure and function
神经结构和功能的性别二态性
- 批准号:
194522-2010 - 财政年份:2012
- 资助金额:
$ 2.99万 - 项目类别:
Discovery Grants Program - Individual
Sexual dimorphism in neural structure and function
神经结构和功能的性别二态性
- 批准号:
396052-2010 - 财政年份:2011
- 资助金额:
$ 2.99万 - 项目类别:
Discovery Grants Program - Accelerator Supplements
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