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  2. Laron syndrome - Wikipedia

    en.wikipedia.org/wiki/Laron_syndrome

    Laron syndrome (LS), also known as growth hormone insensitivity or growth hormone receptor deficiency (GHRD), is an autosomal recessive disorder characterized by a lack of insulin-like growth factor 1 (IGF-1; somatomedin-C) production in response to growth hormone (GH; hGH; somatotropin). [6]

  3. Insulin-like growth factor 1 - Wikipedia

    en.wikipedia.org/wiki/Insulin-like_growth_factor_1

    Low IGF-1 levels are associated with cardiovascular disease, while high IGF-1 levels are associated with cancer. Mid-range IGF-1 levels are associated with the lowest mortality. A synthetic analog of IGF-1, mecasermin, is used for the treatment of growth failure in children with severe IGF-1 deficiency. [15]

  4. Growth hormone deficiency - Wikipedia

    en.wikipedia.org/wiki/Growth_hormone_deficiency

    ischemic or hemorrhagic infarction from low blood pressure (Sheehan syndrome) or hemorrhage pituitary apoplexy; There are a variety of rare diseases that resemble GH deficiency, including the childhood growth failure, facial appearance, delayed bone age, and low insulin-like growth factor-1 (IGF-1) levels. However, GH testing elicits normal or ...

  5. Insulin-like growth factor - Wikipedia

    en.wikipedia.org/wiki/Insulin-like_growth_factor

    The IGF-1 receptor is the "physiological" receptor. IGF-1 binds to it at significantly higher affinity than it binds the insulin receptor. Like the insulin receptor, the IGF-1 receptor is a receptor tyrosine kinase—meaning the receptor signals by causing the addition of a phosphate molecule on particular tyrosines. The IGF-2 receptor only ...

  6. Hypopituitarism - Wikipedia

    en.wikipedia.org/wiki/Hypopituitarism

    Growth hormone deficiency is almost certain if all other pituitary tests are also abnormal, and insulin-like growth factor 1 (IGF-1) levels are decreased. If this is not the case, IGF-1 levels are poorly predictive of the presence of GH deficiency; stimulation testing with the insulin tolerance test is then required.

  7. 13 sneaky signs your testosterone is too low

    www.aol.com/13-sneaky-signs-testosterone-too...

    Energy levels. Symptoms of Low Testosterone in Men. The only way to know for sure if your testosterone levels are where they should be is to get a blood test to assess your hormones (including ...

  8. Isolated growth hormone deficiency - Wikipedia

    en.wikipedia.org/wiki/Isolated_growth_hormone...

    The diagnosis of growth hormone deficiency is a multi-step procedure that involves pituitary MRI, biochemical testing (growth hormone stimulation tests and measurement of IGF-1/IGFBP3), clinical and auxological examination, and genetic test results. [8]

  9. 8 major factors that cause low testosterone levels - AOL

    www.aol.com/8-major-factors-cause-low-112400523.html

    Low testosterone can cause many symptoms, ... Total testosterone levels tend to decline about 1.6 percent a year, and roughly 20 percent of men over 60 have levels that would qualify as low.

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