Associations of Plasma Fatty Acid Patterns With Gestational Diabetes Mellitus
Associations of Plasma Fatty Acid Patterns During Pregnancy With Gestational Diabetes Mellitus
Background: Limited studies have explored the difference of fatty acid profile between women with and without gestational diabetes mellitus (GDM), and the results were inconsistent. Individual fatty acids tend to be interrelated because of the shared food sources and metabolic pathways. Thus, whether fatty acid patters during pregnancy were related to GDM odds needs further exploration.
Objective: We aim to identify plasma fatty acid patters during pregnancy and their associations with odds of gestational diabetes mellitus (GDM).
Design: A hospital-based case-control study was carried out in urban Wuhan, China from August 2012 to April 2015. Pregnant women who screened for GDM at the outpatient clinics of the Department of Endocrinology, Tongji Hospital were invited to participant in the study. The inclusion criteria were as follows: 1) age ≥ 20 years; 2) gestational age at GDM screening ≥ 24 weeks; 3) singleton pregnancy. We excluded women who met any of the following items: history of diabetes (including but not limited to GDM), cardiovascular disease, cancer or other systemic diseases; pharmacologic treatment or dietary supplement use that might influence glucose or lipids metabolism; accompanied by other pregnancy complications; blood sample hemolysis or insufficiency; incomplete basic information. The diagnosis of GDM can be made if one or more glucose values are above the cut points of 5.1, 10.0 and 8.5 mmol/L at fasting, 1 and 2 h during a 75-gram oral glucose tolerance test (OGTT). Controls were randomly selected and individually matched to cases by age (± 2 years), gestational age (± 2 weeks) and parity. Finally, 217 GDM cases and 217 matched controls were selected in this study. All participants gave written informed consent before enrolling in the study. Fasting blood samples (≥ 8 h overnight fasting) were collected using anticoagulant tubes and centrifuged at 3000 rpm for 5 min. Plasma were separated from blood cells and stored at -80 ℃ for further assay. We measured plasma concentrations of fatty acids by gas chromatography - mass spectrometry, and derived potential fatty acid patterns trough principle components analysis. Conditional logistic regression and restricted cubic spline model were used to evaluate the associations between individual fatty acids or fatty acid patterns and odds of GDM.
調査の概要
研究の種類
入学 (実際)
参加基準
適格基準
就学可能な年齢
健康ボランティアの受け入れ
受講資格のある性別
サンプリング方法
調査対象母集団
説明
Inclusion Criteria:
- Age ≥ 20 years;
- Gestational age at GDM screening ≥ 24 weeks;
- Singleton pregnancy;
- With enough plasma collected for fatty acids detection.
Exclusion Criteria:
- History of diabetes (including but not limited to GDM), cardiovascular disease, cancer or other systemic diseases;
- History of receiving pharmacological treatment known to affect glucose metabolism;
- Incomplete basic information.
研究計画
研究はどのように設計されていますか？
デザインの詳細
コホートと介入
グループ/コホート |
介入・治療 |
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妊娠糖尿病
妊娠糖尿病 (GDM) は、米国糖尿病協会の基準に従って診断されました。この基準は、国際糖尿病学会および妊娠研究グループが推奨する「ワンステップ」アプローチに基づいています。
すべての女性は、一晩絶食した後、朝に 75g の OGTT を受け、1 時間後と 2 時間後に血漿グルコース測定を行いました。
GDM の診断基準は、少なくとも 1 つの異常値があることでした: 空腹時血糖 ≥ 5.1 mmol/L (92 mg/dL)、1 時間血糖 ≥ 10.0 mmol/L (180 mg/dL)、2 時間血糖 ≥ 8.5 mmol/L L (153 mg/dL)。
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Plasma concentrations of fatty acids were measured by gas chromatography - mass spectrometry (Agilent 7890B gas chromatography coupled with an Agilent 5977A Series mass spectrometry).
Individual fatty acids with relative concentrations ≥ 0.05% were used to derive fatty acid patterns through principle components analysis.
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Healthy pregnant women
Pregnant women with fasting glucose < 5.1 mmol/L (92 mg/dL), 1 h glucose < 10.0 mmol/L (180 mg/dL) and 2 h glucose < 8.5 mmol/L (153 mg/dL) were considered as healthy controls.
Controls were randomly selected and individually matched to cases by age (± 2 years), gestational age (± 2 weeks) and parity.
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Plasma concentrations of fatty acids were measured by gas chromatography - mass spectrometry (Agilent 7890B gas chromatography coupled with an Agilent 5977A Series mass spectrometry).
Individual fatty acids with relative concentrations ≥ 0.05% were used to derive fatty acid patterns through principle components analysis.
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この研究は何を測定していますか？
主要な結果の測定
結果測定 |
メジャーの説明 |
時間枠 |
|---|---|---|
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Gestational diabetes mellitus
時間枠：gestation age ≥ 24 weeks
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Glucose intolerance with onset or first diagnosis during pregnancy.
The diagnosis of GDM can be made if one or more glucose values are above the cut points of 5.1, 10.0 and 8.5 mmol/L at fasting, 1 and 2 h during a 75-gram oral glucose tolerance test.
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gestation age ≥ 24 weeks
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協力者と研究者
スポンサー
研究記録日
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研究開始 (実際)
一次修了 (実際)
研究の完了 (実際)
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