遗传祖先影响拉丁美洲人口的身体形状和肥胖风险
Magda Alexandra Trujillo-Jiménez1,2,3, Luis Orlando Pérez4,5, Carolina Paschetta4,5
1Instituto Patagónico de Ciencias Sociales y Humanas, Centro Nacional Patagónico CCT CENPAT CONICET, Puerto Madryn, U9120, Argentina. ale.trujim@gmail.com.
Scientific reports
|October 24, 2025
概括
传统的肥胖指标,如BMI,错误地将不同祖先的风险分类. 三维身体形状分析为肥胖诊断和人口风险分层提供了更准确,更有祖先意识的方法.
科学领域:
- 人类学是人类学.
- 公共卫生 公共卫生
- 生物医学工程 生物医学工程
背景情况:
- 肥胖的评估传统上依赖于人类学测量 (例如,BMI,WHR,WHtR).
- 这些指数在捕捉不同种群和遗传祖先的身体脂肪分布变化方面存在局限性.
- 目前的肥胖分类可能不适用于所有人,特别是在拉丁美洲等多祖先群体中.
研究的目的:
- 评估传统人体指数与3D身体形状分析对拉丁美洲成年人肥胖风险分类的准确性.
- 调查美洲原住民,欧洲和非洲祖先对肥胖指数有效性的影响.
- 探索先进的几何形态测量技术在改善肥胖诊断方面的潜力.
主要方法:
- 利用了拉丁美洲成年人不同程度的美洲原住民,欧洲人和非洲祖先的数据.
- 将传统的人类指数 (BMI,WHR,WHtR) 与3D身体形状分析进行比较.
- 采用先进的几何形态测量和图像/数据处理技术.
主要成果:
- 传统的指数,特别是WHR和WHtR,显示出特定祖先的偏见和在某些群体中系统地错误分类的肥胖风险.
- 3D身体形状分析表明,捕捉细微的脂肪分布变化的能力更大.
- 与传统方法相比,3D分析减少了与祖先相关的错误分类.
结论:
- 对肥胖风险的传统人类测量方法在不同的遗传祖先中并不普遍有效.
- 三维身体形状分析为肥胖诊断和风险分层提供了更准确,更细致的方法.
- 将3D形态测量与遗传祖先数据相结合,可以提高针对不同人群肥胖的精确公共卫生策略.
相关概念视频
Obesity
1.1K
The Body Mass Index (BMI) is a numerical value derived from a person's weight and height, used to categorize individuals into weight ranges. It is calculated using the formula: weight in kilograms divided by height in meters squared. Obesity is a health condition characterized by excessive accumulation of adipose tissue that poses health risks, often diagnosed with a BMI ≥ 30. This excess fat storage occurs when surplus dietary calories are converted into triglycerides and stored in...
1.1K
Human Genetics
1.4K
Human genetics provides a profound framework for understanding the interplay between genetic predispositions and human psychology. At the heart of this discipline lies the study of how genes influence physical traits, behaviors, and susceptibility to diseases. Each person carries a unique genetic code that subtly or significantly shapes their psychological and behavioral landscape.
The complex relationship between genetics and psychology is observable through common biological components such...
The complex relationship between genetics and psychology is observable through common biological components such...
1.4K
Polygenic Traits
68.9K
When more than one gene is responsible for a given phenotype, the trait is considered polygenic. Human height is a polygenic trait. Studies have uncovered hundreds of loci that influence height, and there are believed to be many more. Due to the high number of genes involved, as well as environmental and nutritional factors, height varies significantly within a given population. The distribution of height forms a bell-shaped curve, with relatively few individuals in the population at the...
68.9K
Nature and Nurture
22.2K
Many human characteristics, like height, are shaped by both nature—in other words, by our genes—and by nurture, or our environment. For example, chronic stress during childhood inhibits the production of growth hormones and consequently reduces bone growth and height. Scientists estimate that 70-90% of variation in height is due to genetic differences among individuals, and 10-30% of variation in height is due to differences in the environments that individuals experience,...
22.2K
Behavioral Genetics and Its Designs
1.0K
Behavior genetics explores how genetic inheritance influences human behavior. It focuses on how genes, passed from parents to offspring, contribute to the development of behavioral traits and tendencies. This branch of genetics seeks to understand the complex interplay between inherited genetic factors and environmental influences in shaping our behaviors.
The primary methodologies used in behavior genetics include family studies, twin studies, and adoption studies, each providing unique...
The primary methodologies used in behavior genetics include family studies, twin studies, and adoption studies, each providing unique...
1.0K
Pharmacokinetics in Obese Patients: Drug Absorption and Distribution
245
Obesity significantly alters the pharmacokinetic processes of drug absorption and distribution, presenting unique challenges in medical treatment. The increased fat tissue and decreased lean muscle in obese individuals can significantly affect how drugs are absorbed into the body and distributed across different tissues. This alteration can lead to variances in the effectiveness and safety of medications, necessitating adjustments in dosing or drug selection for obese patients.One notable...
245


