绝经过渡的死后组织生物标志物
Maria Tickerhoof1, Heining Cham2, Anaya Ger1
1Department of Biological Sciences, Fordham University, Bronx, NY, USA.
bioRxiv : the preprint server for biology
|July 9, 2024
概括
研究人员确定了关键的生物标志物,以确定死后组织中更年期状态. 这一突破使得研究女性更年期过渡 (MT) 期间的大脑变化和神经精神疾病风险成为可能.
科学领域:
- 神经科学是一个神经科学.
- 内分泌学 在内分泌学.
- 病理学 病理学 病理学
背景情况:
- 更年期过渡 (MT) 增加了神经和精神疾病的风险.
- 大脑成像显示MT期间的代谢和结构变化,但死后大脑的细胞/分子研究是有限的.
- 卵巢激素缺陷是相关的,但在MT期间直接研究大脑变化是具有挑战性的.
研究的目的:
- 确定可靠的生物标志物,以确定死后人体组织中更年期状态.
- 为了在更年期过渡期间能够对大脑进行细胞和分子研究.
- 为了促进精准医学的方法,为妇女的心理健康.
主要方法:
- 在血液,下丘脑和垂体腺体中探索了39个候选生物标志物.
- 分析了42名更年期前,更年期前和更年期后患者的样本.
- 开发了复合措施,用于死后识别更年期状态.
主要成果:
- 确定了13个显著的和7个最强的更年期生物标志物.
- 创建了多组织和组织特异性的复合措施.
- 能够对更年期状态进行准确的死后识别,包括更年期前期 (45-55岁) 组.
结论:
- 建立了一种方法,使用生物标志物来确定死后更年期状态.
- 这项研究为研究MT期间神经精神病风险的分子基础开辟了道路.
- 促进女性心理健康的激素状态信息精准医学.
相关概念视频
Menopause
153
Menopause, a natural biological process marking the end of a woman's fertility, typically occurs between the fifth and sixth decade of life. This phase is characterized by the exhaustion of the ovarian follicle pool, leading to less responsive ovaries despite the high levels of Follicle Stimulating Hormone (FSH) and Luteinizing Hormone (LH). The consequential decrease in estrogen production results in symptoms like hot flashes, heavy sweating, headaches, hair loss, muscle pains, vaginal...
153
Blood Studies for Cardiovascular System II: CRP, Hcy, and Cardiac Natriuretic Peptide Markers
74
Cardiac biomarkers are critical in diagnosing, prognosing, and managing cardiovascular diseases. Routine measurement of specific biomarkers such as B-type natriuretic peptide (BNP), C-reactive protein (CRP), and homocysteine (Hcy) is common practice in clinical settings to evaluate heart function and predict cardiovascular events.
These markers indicate stress or strain on the heart muscle:
Natriuretic Peptides (BNP)
Cardiac myocytes produce these hormones in response to ventricular stretching...
These markers indicate stress or strain on the heart muscle:
Natriuretic Peptides (BNP)
Cardiac myocytes produce these hormones in response to ventricular stretching...
74
Blood Studies for Cardiovascular System I: Cardiac Biomarkers
134
Cardiac biomarkers are enzymes, proteins, and hormones released into the blood when cardiac cells are injured. They are powerful tools for triaging.
The essential diagnostic tools for detecting myocardial necrosis and monitoring individuals suspected of having acute coronary syndrome (ACS) include:
Troponins
Troponins, particularly cardiac troponins I and T, are the most precise and sensitive markers of myocardial injury. They are detectable within 4-6 hours of myocardial injury and remain...
The essential diagnostic tools for detecting myocardial necrosis and monitoring individuals suspected of having acute coronary syndrome (ACS) include:
Troponins
Troponins, particularly cardiac troponins I and T, are the most precise and sensitive markers of myocardial injury. They are detectable within 4-6 hours of myocardial injury and remain...
134
Hormonal Regulation of the Menstrual Cycle
338
The ovarian cycle regulates endometrial changes throughout a single menstrual cycle via the coordinated action of gonadotrophin-releasing hormone (GnRH) and gonadotrophins.
At puberty, GnRH begins a pulsatile release pattern, which triggers the anterior pituitary gland to secrete follicle-stimulating hormone (FSH) and luteinizing hormone (LH). The frequency and amplitude of GnRH pulses vary across the menstrual cycle, with faster pulses favoring LH release and slower pulses favoring FSH...
At puberty, GnRH begins a pulsatile release pattern, which triggers the anterior pituitary gland to secrete follicle-stimulating hormone (FSH) and luteinizing hormone (LH). The frequency and amplitude of GnRH pulses vary across the menstrual cycle, with faster pulses favoring LH release and slower pulses favoring FSH...
338


