肠道微生物群中丁酸盐代谢的缺陷是复发性结石疾病的潜在危险因素
Wai Ho Choy1, Ava Adler2, Connor Morgan-Lang3
1Department of Urologic Sciences, The Stone Centre at VGH, University of British Columbia, Jack Bell Research Centre, Rm. 550-3, 2660 Oak Street, Vancouver, BC, V6J 1G7, Canada.
Urolithiasis
|February 27, 2024
概括
肠道微生物组失调有助于复发性结石疾病 (KSD). 酸盐代谢受损,独立于酸盐,是关键因素,表明除了酸盐降解之外的更广泛的治疗点.
科学领域:
- 微生物学 微生物学
- 代谢学 代谢学 代谢学
- 腎臟病學 (nephrology) 是一種醫學專業.
背景情况:
- 肠道微生物组失调与复发性结石疾病 (KSD) 有关.
- 现有研究表明,除了氧沙酸盐利用之外的代谢途径可能参与其中.
- 肠道微生物组在KSD病变发生中的确切作用需要进一步阐明.
研究的目的:
- 研究结石形成者和对照者之间肠道微生物组的代谢潜力的差异.
- 为了确定除了氧酸盐代谢之外的替代机制,有助于KSD风险.
- 探索特定微生物代谢途径,如酸盐生物合成在KSD中的作用.
主要方法:
- 枪支元基因组测序被用来分析肠道微生物组的代谢潜力.
- 基因丰度与KSD患者和健康对照之间的代谢途径相关的基因丰度的比较.
- 微生物基因组的新建,以确定关键的微生物参与者及其功能.
主要成果:
- 在与已知氧沙酸盐降解途径相关的基因中没有发现显著差异.
- 在KSD患者中观察到参与丁酸盐生物合成的关键酶的丰度下降.
- 富含非结石基因的基因主要与#Faecalibacterium prausnitzii*,一个主要的酸盐生产者有关.
结论:
- 细菌酸盐代谢受损代表了一种氧酸盐独立的机制,有助于复发的KSD风险.
- 肠道微生物组在KSD中的作用是多因素的,涉及复杂的代谢相互作用.
- 未来的KSD治疗策略应该考虑针对更广泛的微生物代谢途径,而不仅仅是氧酸盐代谢.
相关概念视频
Inflammatory Bowel Disease I: Ulcerative Colitis
184
Introduction
Inflammatory bowel disease, or IBD, encompasses a group of disorders characterized by chronic inflammation or ulceration of the gastrointestinal tract.
Risk Factors
The exact cause of IBD remains unclear, although it is believed to be due to a mix of genetic, environmental, microbial, and immune factors. Genetic factors are significant in determining susceptibility to IBD, with family history being a critical risk factor. Individuals with a first-degree relative who has IBD are at...
Inflammatory bowel disease, or IBD, encompasses a group of disorders characterized by chronic inflammation or ulceration of the gastrointestinal tract.
Risk Factors
The exact cause of IBD remains unclear, although it is believed to be due to a mix of genetic, environmental, microbial, and immune factors. Genetic factors are significant in determining susceptibility to IBD, with family history being a critical risk factor. Individuals with a first-degree relative who has IBD are at...
184
Irritable Bowel Syndrome I: Introduction
273
Irritable Bowel Syndrome (IBS) is characterized by functional disturbances in the gastrointestinal system, presenting a cluster of symptoms without evident structural or biochemical abnormalities. It primarily affects the large intestine and may cause abdominal pain, bloating, excessive gas, diarrhea, constipation, or both.
IBS is a chronic condition that can persist over a long period or recur frequently.
The pathogenesis of IBS involves a complex interplay of the following factors:
Altered...
IBS is a chronic condition that can persist over a long period or recur frequently.
The pathogenesis of IBS involves a complex interplay of the following factors:
Altered...
273
Inflammatory Bowel Disease III: Diagnostic Studies and Management I-Nutritional Therapy
331
Various diagnostic tests are employed in the diagnostic process for Inflammatory Bowel Disease (IBD), particularly to differentiate between Crohn's disease and ulcerative colitis.
Diagnostic studies
A colonoscopy is the definitive screening test, distinguishing ulcerative colitis from other colon diseases with similar symptoms. During a colonoscopy test, inflamed mucosa with exudate ulcerations can be observed, and biopsies are taken to determine the histologic characteristics of the...
Diagnostic studies
A colonoscopy is the definitive screening test, distinguishing ulcerative colitis from other colon diseases with similar symptoms. During a colonoscopy test, inflamed mucosa with exudate ulcerations can be observed, and biopsies are taken to determine the histologic characteristics of the...
331
Pathophysiology of Peptic Ulcer Disease: Mucosal Defense Factors
429
Peptic ulcer disease, commonly called PUD, represents a multifaceted condition characterized by disruptions in the lining of the gastrointestinal (GI) tract. Central to the protection of the gastrointestinal lining is the mucosal-bicarbonate barrier. This physiological defense mechanism is a formidable shield against the corrosive effects of gastric acid and pepsin secretion in the stomach. Its role is pivotal in maintaining the structural integrity of the stomach's inner lining.
429
Disorders of the Urinary System
300
The urinary system is responsible for eliminating waste and excess fluids from the body. However, disorders of the urinary system can arise due to various reasons like infections, stress, age, congenital abnormalities, and lifestyle.
Urinary tract infections (UTIs) are one of the most common urinary system disorders. They are caused by bacteria that enter the urethra and can spread to the bladder resulting in cystitis. Pyelonephritis is the result of a UTI that has ascended to the level of the...
Urinary tract infections (UTIs) are one of the most common urinary system disorders. They are caused by bacteria that enter the urethra and can spread to the bladder resulting in cystitis. Pyelonephritis is the result of a UTI that has ascended to the level of the...
300
Chronic Bowel Disorders: Introduction
450
Chronic bowel diseases are a group of long-term conditions affecting the digestive tract, characterized by inflammation and damage to the gut lining. These conditions primarily include irritable bowel syndrome and inflammatory bowel disease.
Irritable Bowel Syndrome (IBS) is a common disorder affecting the gastrointestinal tract. The distinctive feature is recurrent abdominal pain associated with altered bowel movements, manifesting as constipation, diarrhea, or fluctuating between both. The...
Irritable Bowel Syndrome (IBS) is a common disorder affecting the gastrointestinal tract. The distinctive feature is recurrent abdominal pain associated with altered bowel movements, manifesting as constipation, diarrhea, or fluctuating between both. The...
450


