leptin

简明释义

英[ˈleptɪn]美[ˈleptɪn]

n. （脂肪组织产生的）瘦蛋白

英英释义

单词用法

同义词

反义词

例句

1.Leptin turns your appetite off and is made by fat cells.

消瘦素消除你的食欲，它来自脂肪细胞。

2.And mice without leptin are sluggish balls of blubber.

没有瘦素小鼠简直就是又懒又肥的绒毛球。

3.Researchers soon found that in addition to leptin, a whole host of chemicals signal the brain to trigger hunger or fullness.

研究者很快发现，除了瘦素之外，还有一整套的化学物质给大脑发送信号，引发饥饿和饱腹的感觉。

4.Low leptin levels increase your appetite and signal your body to store more fat.

低消瘦素水平增加你的食欲并通知你的身体储存更多的脂肪。

5.Researchers originally thought leptin signaled the body to stop eating and hoped that it might be harnessed as a weight-loss drug.

研究人员最初认为，瘦素能向人体发出停止进食的信号，并希望将其用作减肥药。

6."Our study is the first success in sensitizing obese mice on a high-fat diet to leptin," he said.

“我们的研究是第一次成功地通过高脂肪膳食使肥胖小鼠的瘦素敏化。”他结着说。

7.Those neurons get their message from hormones, including insulin and leptin.

这些神经元通过激素得到信息，这些激素包括胰岛素和瘦素。

8.The gene produced a protein called leptin that is made in fat cells.

这种制造瘦素的基因存在于老鼠细胞中。

9.The hormone leptin plays a key role in regulating energy balance by inhibiting hunger, which is crucial for weight management.

激素leptin在通过抑制饥饿来调节能量平衡方面发挥着关键作用，这对体重管理至关重要。

10.Research shows that higher levels of leptin are associated with reduced appetite.

研究表明，较高水平的leptin与食欲减少有关。

11.Obesity can lead to leptin resistance, where the body does not respond to leptin signals effectively.

肥胖可能导致leptin抵抗，身体无法有效响应leptin信号。

12.Changes in leptin levels can affect your metabolism and overall health.

leptin水平的变化会影响你的新陈代谢和整体健康。

13.Some studies suggest that sleep deprivation can lower leptin levels, increasing hunger.

一些研究表明，睡眠不足会降低leptin水平，从而增加饥饿感。

作文

Leptin is a hormone that plays a crucial role in regulating energy balance and body weight. It is primarily produced by adipose (fat) tissue and acts on the hypothalamus in the brain to inhibit hunger, thereby helping to maintain body weight. When fat stores increase, leptin levels rise, signaling the body to reduce appetite and increase energy expenditure. Conversely, when fat stores decrease, leptin levels drop, which can trigger feelings of hunger. This complex feedback loop is essential for maintaining homeostasis in the body. In recent years, research has expanded our understanding of how leptin (瘦素) functions and its implications for obesity and metabolic disorders. Many individuals who are obese have high levels of leptin (瘦素), but paradoxically, they often experience a condition known as leptin resistance. This means that despite having sufficient or even excessive amounts of the hormone, their brains do not respond effectively to its signals, leading to continued overeating and weight gain. The discovery of leptin (瘦素) has opened new avenues for potential treatments for obesity. Researchers are investigating ways to enhance leptin sensitivity or to mimic its effects through medications. However, the complexity of human metabolism and the interplay of various hormones make it challenging to develop effective therapies. Additionally, leptin (瘦素) is not only involved in appetite regulation but also plays a role in other physiological processes, including immune function, bone metabolism, and reproductive health. For instance, low levels of leptin (瘦素) can lead to reproductive issues in women, as the body perceives a lack of energy reserves and may halt ovulation. Understanding the multifaceted roles of leptin (瘦素) is vital for developing comprehensive approaches to tackle obesity and related health issues. Lifestyle factors such as diet and physical activity can influence leptin (瘦素) levels and sensitivity. A balanced diet rich in whole foods and regular exercise can help improve leptin sensitivity, making it easier for the body to regulate hunger and energy balance. In conclusion, leptin (瘦素) is a key hormone in the regulation of body weight and energy homeostasis. Its discovery has significantly advanced our understanding of obesity and metabolic health. As research continues, we may uncover more about how to harness the power of leptin (瘦素) to promote healthier lifestyles and combat obesity. By focusing on improving leptin sensitivity through lifestyle changes, we can take proactive steps towards achieving a healthier weight and overall well-being.

瘦素是一种在调节能量平衡和体重方面起关键作用的激素。它主要由脂肪组织（脂肪）产生，并作用于大脑中的下丘脑，以抑制饥饿，从而帮助维持体重。当脂肪储备增加时，瘦素水平上升，向身体发出减少食欲和增加能量消耗的信号。相反，当脂肪储备减少时，瘦素水平下降，这可能会引发饥饿感。这一复杂的反馈循环对于维持身体的稳态至关重要。 近年来，研究扩展了我们对瘦素功能及其对肥胖和代谢障碍影响的理解。许多肥胖个体的瘦素水平很高，但矛盾的是，他们常常经历一种称为瘦素抵抗的情况。这意味着尽管体内有足够甚至过量的激素，但他们的大脑并未有效响应其信号，导致持续的暴饮暴食和体重增加。 瘦素的发现为肥胖治疗的潜在方法开辟了新的途径。研究人员正在调查增强瘦素敏感性或通过药物模拟其效果的方法。然而，人类新陈代谢的复杂性以及各种激素之间的相互作用使得开发有效的疗法具有挑战性。 此外，瘦素不仅参与食欲调节，还在其他生理过程中发挥作用，包括免疫功能、骨代谢和生殖健康。例如，瘦素水平低可能导致女性生殖问题，因为身体感知到缺乏能量储备，可能会停止排卵。 理解瘦素的多方面角色对制定全面的解决肥胖和相关健康问题的方法至关重要。饮食和体育活动等生活方式因素可以影响瘦素水平和敏感性。富含全食的均衡饮食和定期锻炼可以帮助改善瘦素敏感性，使身体更容易调节饥饿和能量平衡。 总之，瘦素是调节体重和能量稳态的关键激素。它的发现显著推进了我们对肥胖和代谢健康的理解。随着研究的继续，我们可能会揭示更多关于如何利用瘦素的力量来促进更健康的生活方式和抗击肥胖的信息。通过关注改善瘦素敏感性，采取生活方式的改变，我们可以朝着实现更健康的体重和整体健康迈出积极的步骤。