Abstract:
BACKGROUND:The investigation of the human follicle fluid proteome has gained much interest in the search of new markers as predictors for in vitro fertilization and intracytoplasmic sperm injection (IVF/ICSI) treatment outcome. Follicular fluid folate, as substrate of one carbon (1-C) metabolism, affects follicular metabolism and oocyte and embryo quality. From this background, we aim to identify a folate-related follicle fluid proteome that associates with IVF/ICSI treatment outcome. METHODS:In a nested case-control study embedded in a periconception cohort, we performed qualitative and quantitative proteomic analyses using nanoflow LC-MS/MS and TMT labelling in 30 monofollicular fluid samples from women undergoing IVF/ICSI treatment of which 15 used and 15 did not use a folic acid supplement. The protein data are analysed using scaffold proteome Software and differential abundances are expressed as Log2-fold change. Blood samples were obtained before and after treatment for determination of biomarkers of 1-C metabolism and estradiol. RESULTS:We identified 227 uniquely expressed proteins in follicular fluid. In folic acid supplement users compared to nonusers, we established a lower abundance of C-reactive protein (-2.03; P = < 0.01) and higher abundances of apolipoproteins from high-density lipoprotein (HDL), most notably A-I (+1.28; P = < 0.01) and C-I (+1.11; P = 0.016). CONCLUSION:Preconception folic acid supplement use is associated with suppression of the inflammatory pathway and upregulation of the HDL pathway in human follicular fluid, being a preferential source of cholesterol for steroid hormone synthesis. Studies are needed on the tissue specificity and on the beneficial effects of embryo quality and IVF/ICSI treatment outcome of the proteome of these pathways.
journal_name
Eur J Clin Investjournal_title
European journal of clinical investigationauthors
Twigt JM,Bezstarosti K,Demmers J,Lindemans J,Laven JS,Steegers-Theunissen RPdoi
10.1111/eci.12478subject
Has Abstractpub_date
2015-08-01 00:00:00pages
833-41issue
8eissn
0014-2972issn
1365-2362journal_volume
45pub_type
杂志文章abstract:BACKGROUND:Diverticular disease (DD) and irritable bowel syndrome (IBS) share a similar symptom pattern. However, comparative studies are flawed by different age at onset of symptoms. We aimed to verify whether clinical features distinguish DD from IBS. MATERIALS AND METHODS:Patients with DD or IBS, matched for age an...
journal_title:European journal of clinical investigation
pub_type: 杂志文章,多中心研究
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abstract:BACKGROUND:The pathogenesis of atherosclerosis and acute coronary syndromes involves inflammation and immunological mechanisms. We hypothesized that patients with unstable angina may have an imbalance between inflammatory and anti-inflammatory cytokines. DESIGN:Plasma levels of tumour necrosis factor (TNF)alpha and in...
journal_title:European journal of clinical investigation
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journal_title:European journal of clinical investigation
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doi:10.1046/j.1365-2362.1998.00352.x
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journal_title:European journal of clinical investigation
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journal_title:European journal of clinical investigation
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abstract:BACKGROUND:Soluble ST2 (sST2), a member of the IL-1 receptor family, has been proposed as a novel biomarker with predictive value for heart failure and mortality in patients suffering from cardiovascular diseases. The influence of clinical characteristics on variability of sST2 levels is relatively unexplored. Here, we...
journal_title:European journal of clinical investigation
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journal_title:European journal of clinical investigation
pub_type: 临床试验,杂志文章,随机对照试验
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journal_title:European journal of clinical investigation
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journal_title:European journal of clinical investigation
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journal_title:European journal of clinical investigation
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journal_title:European journal of clinical investigation
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journal_title:European journal of clinical investigation
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journal_title:European journal of clinical investigation
pub_type: 临床试验,杂志文章,随机对照试验
doi:10.1111/j.1365-2362.2005.01540.x
更新日期:2005-08-01 00:00:00
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journal_title:European journal of clinical investigation
pub_type: 杂志文章
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journal_title:European journal of clinical investigation
pub_type: 杂志文章,评审
doi:10.1111/j.1365-2362.2008.02007.x
更新日期:2008-10-01 00:00:00
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journal_title:European journal of clinical investigation
pub_type: 杂志文章,评审
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journal_title:European journal of clinical investigation
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journal_title:European journal of clinical investigation
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journal_title:European journal of clinical investigation
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journal_title:European journal of clinical investigation
pub_type: 杂志文章
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更新日期:2006-05-01 00:00:00
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journal_title:European journal of clinical investigation
pub_type: 杂志文章
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journal_title:European journal of clinical investigation
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journal_title:European journal of clinical investigation
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更新日期:1996-11-01 00:00:00
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journal_title:European journal of clinical investigation
pub_type: 杂志文章,多中心研究
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更新日期:2018-08-01 00:00:00
abstract::To assess the renal tubular damage in liver cirrhosis the fractional clearances of beta-2-microglobulin (B2m-fr.cl) and malate-dehydrogenase (MDH-fr.cl) were measured respectively in sixty-four and in forty-six out of seventy-nine patients with liver cirrhosis of different aetiology; furthermore the fractional excreti...
journal_title:European journal of clinical investigation
pub_type: 杂志文章
doi:10.1111/j.1365-2362.1981.tb01847.x
更新日期:1981-06-01 00:00:00
abstract:BACKGROUND:Hepatocytes are polarized epithelial cells with three morphologically and functionally distinct membrane surfaces: the sinusoidal, lateral and canalicular surface domains. These domains differ from each other in the expression of integral proteins, which concur to their polarized functions. We hypothesize th...
journal_title:European journal of clinical investigation
pub_type: 杂志文章
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更新日期:2010-05-01 00:00:00