Human growth hormone (GH) is the indispensable hormone for the maintenance of normal physiological functions of the human body, including the growth, development, metabolism, and even immunoregulation. The GH is synthesized, secreted, and stored by somatotroph cells in adenohypophysis. Abnormal GH is associated with various GH-related diseases, such as acromegaly, dwarfism, diabetes, and cancer. Currently, some studies found there are dozens or even hundreds of GH proteoforms in tissue and serum as well as a series of GH-binding protein (GHBP) proteoforms and GH receptor (GHR) proteoforms were also identified. The structure-function relationship of protein hormone proteoforms is significantly important to reveal their overall physiological and pathophysiological mechanisms. We propose the use of proteoformics to study the relationship between every GH proteoform and different physiological/pathophysiological states to clarify the pathogenic mechanism of GH-related disease such as pituitary neuroendocrine tumor and conduct precise molecular classification to promote predictive preventive personalized medicine (PPPM / 3P medicine). This article reviews GH proteoformics in GH-related disease such as pituitary neuroendocrine tumor, which has the potential role to provide novel insight into pathogenic mechanism, discover novel therapeutic targets, identify effective GH proteoform biomarker for patient stratification, predictive diagnosis, and prognostic assessment, improve therapy method, and further accelerate the development of 3P medicine.
Keywords: Growth hormone proteoform; Growth hormone proteoformic pattern; Growth hormone receptor; Growth hormone receptor proteoform; Growth hormone-binding protein; Growth hormone-binding protein proteoform; Growth hormone-related disease; Healthcare efficacy; Individual outcomes; Patient stratification; Personalized medical service; Pituitary neuroendocrine tumor; Predictive diagnosis; Predictive preventive personalized medicine (PPPM / 3P medicine); Primary and secondary care; Prognostic assessment; Proteoform; Proteoformics; Target therapy.
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