Normal or improved cardiovascular risk factors in IGF-I-deficient adults with growth hormone receptor deficiency

生长激素缺乏 内分泌学 内科学 生长激素 受体 医学 激素
作者
Jaime Guevara‐Aguirre,Amrendra Mishra,Marco Canepa,Carolina Guevara,Álvaro Villacres,Alexandra Guevara,Gabriela Peña,Daniela Lescano,John J. Kopchick,Priya Balasubramanian,Valter D. Longo
出处
期刊:Med [Elsevier]
卷期号:5 (7): 816-825.e4 被引量:2
标识
DOI:10.1016/j.medj.2024.03.022
摘要

Human subjects with generalized growth hormone (GH) insensitivity due to GH receptor deficiency (GHRD)/Laron syndrome display a very low incidence of insulin resistance, diabetes, and cancer, as well as delayed age-related cognitive decline. However, the risk of cardiovascular disease (CVD) in these subjects is poorly understood. Here, we have assessed cardiovascular function, damage, and risk factors in GHRD subjects and their relatives.We measured markers of CVD in two phases: one in a cohort of 30 individuals (GHRD = 16, control relatives = 14) brought to USC (in Los Angeles, CA) and one in a cohort including additional individuals examined in Ecuador (where the subjects live) for a total of 44 individuals (GHRD = 21, control relatives = 23). Data were collected on GHRD and control groups living in similar geographical locations and sharing comparable environmental and socio-economic circumstances.Compared to controls, GHRD subjects displayed lower serum glucose, insulin, blood pressure, smaller cardiac dimensions, similar pulse wave velocity, lower carotid artery intima-media thickness, lower creatinine, and a non-significant but major reduction in the portion of subjects with carotid atherosclerotic plaques (7% GHRDs vs. 36%, Controls p = 0.1333) despite elevated low-density lipoprotein cholesterol levels.The current study indicates that individuals with GHRD have normal or improved levels of cardiovascular disease risk factors as compared to their relatives.This study was funded in part by NIH/NIA grant P01 AG034906 to V.D.L.
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