魚に富んだ食事,レプチン,そして体量
Mikolaj Winnicki1, Virend K Somers, Valentina Accurso
1University of Padova, Padova, Italy.
Circulation
|July 18, 2002
まとめ
魚に富んだ食事は,体脂肪から独立して,レプチンのレベルを下げるものと関連しています. この発見は,大量の魚を消費する個人に観察された心血管疾患のリスクの低下を説明する可能性がある.
科学分野:
- 栄養科学 栄養学 栄養科学は,栄養学が,栄養学が,栄養学が,栄養学が,栄養学が,栄養学が,栄養学が,栄養学が,栄養学が,栄養学が,栄養学は,栄養学が,栄養学は,栄養学は,栄養学は,栄養学は,栄養学は,栄養学は,栄養学は,栄養学は,栄養学は,栄養学は
- エンドクリノロジー エンドクリノロジー
- 心血管の健康についてです.
背景:
- レプチンは,心血管疾患の発症に関与しています.
- 魚の摂取量が多い食生活は,心臓および血管のリスクを減らすことと関連しています.
研究 の 目的:
- ダイエットとレプチンのレベルとの関係を調べるために.
- 異なる主食を持つ集団におけるレプチンのレベルを比較する.
主な方法:
- タンザニアの2つの部族集団の血レプチンのレベルを調べた.
- ある部族は魚を多く食べていた (n=279),別の部族は野菜を多く食べていた (n=329).
- 年齢,体量指数,体脂肪,アルコール,インスリンをコントロールした多変量分析.
主要な成果:
- プラズマレプチンの濃度は,食事のタイプと有意に関連していた (P<0.001).
- 魚を食べた男性と女性のレプチンのレベルは,ベジタリアングループと比較して低かった.
- これらの差異は,グループ間の類似したボディマス指数値にもかかわらず持続しました.
結論:
- 魚が豊富な食生活は,体脂肪から独立して,血のレプチン濃度が低下することが関連しています.
- この発見は,魚が多く食べられる集団において,心血管疾患のリスクを低減させる可能性のあるメカニズムを示唆している.
関連する概念動画
Structure of Lipids
Lipids include a diverse group of compounds that are largely nonpolar in nature. This is because they are hydrocarbons that include mostly nonpolar carbon-carbon or carbon-hydrogen bonds. Non-polar molecules are hydrophobic (“water fearing”), or insoluble in water. Lipids perform many different functions in a cell. Cells store energy for long-term use in the form of fats. Lipids also provide insulation from the environment for plants and animals. For example, they help keep aquatic birds and...
Fats as Energy Storage Molecules
Triglycerides are a form of long-term energy storage molecules. They are made of glycerol and three fatty acids. To obtain energy from fat, triglycerides must first be broken down by hydrolysis into their two principal components, fatty acids and glycerol. This process, called lipolysis, takes place in the cytoplasm. The resulting fatty acids are oxidized by β-oxidation into acetyl-CoA, which is used by the Krebs cycle. The glycerol that is released from triglycerides after lipolysis directly...
Structure of Lipids
Lipids include a diverse group of compounds that are largely nonpolar in nature. This is because they are hydrocarbons that include mostly nonpolar carbon-carbon or carbon-hydrogen bonds. Non-polar molecules are hydrophobic (“water fearing”), or insoluble in water. Lipids perform many different functions in a cell. Cells store energy for long-term use in the form of fats. Lipids also provide insulation from the environment for plants and animals. For example, they help keep aquatic birds and...
Fats as Energy Storage Molecules
Triglycerides are a form of long-term energy storage molecules. They are made of glycerol and three fatty acids. To obtain energy from fat, triglycerides must first be broken down by hydrolysis into their two principal components, fatty acids and glycerol. This process, called lipolysis, takes place in the cytoplasm. The resulting fatty acids are oxidized by β-oxidation into acetyl-CoA, which is used by the Krebs cycle. The glycerol that is released from triglycerides after lipolysis directly...
Proteins: Dietary Sources and Requirements
Consuming animal-based products offers high-quality proteins that contain optimal levels and combinations of essential amino acids, crucial for tissue repair and growth. Foods like eggs, milk, fish, and most meats are a source of complete proteins. Legumes and cereals are abundant in proteins; however, they typically lack a full range of essential amino acids. As a result, they are considered incomplete protein sources. Some plant sources like soybeans, quinoa, and amaranth do contain complete...
Lipids: Dietary Sources and Requirements
Lipids are an essential component of a balanced human diet. Triglycerides, which make up the majority of dietary lipids, are found in both saturated fats—commonly present in meat, dairy products, and certain tropical plants like coconut, and hydrogenated oils such as margarine and baking shortenings (trans fats)—and unsaturated fats, which are abundant in seeds, nuts, olive oil, and most vegetable oils. The main sources of cholesterol include egg yolks, various meats and organ meats, shellfish,...


