April 3, 2008
Hgh And How It Works
Human anatomy and physiology has been an interesting area for research since the advent of science and technology. Thus man revealed the secrets of human life and human body. It has created a revolution when man started experimenting and unraveling more and more aspects related to human body. This paved way for many important inventions in medical filed also.
One such important discovery is about HGH. These hormones play a crucial part in human body when they help in the stimulation of growth and reproduction of cells in human body. These growth hormones are secreted by somatotroph cells and hence the HGH are also called somatotrophin. It is usually a 191-amino acid chain.
Growth hormones have several important functionalities in human body and play a considerable role in increasing the height throughout childhood days. A therapeutic use of growth hormones can help in the curing of several diseases. The molecular form of human growth hormone is an isoform of 191 amino acids with a weight of 22,000 daltons.
Human Growth Hormone circulates in human body through a binding to a protein known as growth hormone binding protein. This GHBP is produced from a receptor and an acid label sub unit. Secretion of human growth hormone occurs as peaks or pulses on a daily basis. These peaks will have a plasma concentration of around 5 to 35 ng/ml. these peaks return to a basal level after 10 to 30 minutes. These peaks occur greatly after the onset of a sleep.
The secretion of GH hormone varies in the life time of an individual. The amount as well as the pattern of this secretion can change throughout his life time. Usually in childhood days, the basal level will be high. Peaks have high amplitude and frequency during the time of puberty and related growth. Healthy children have around 8 peaks in a period of 24 hours. Those of adults will be generally 5 peaks. These peaks then decline throughout the life cycle after adulthood. It can also result in the growth of diseases like breast cancer.
The impact of the HGH on human body is generally called as anabolic. The working of growth hormone is similar to other protein hormones. They interact with the receptor on the cell surface. The main function of growth hormone is the increase in height and is the result of two mechanisms. They can stimulate the duplication through division of the chondrocytes of cartilage. They are located in the growing ends of the long bones of children and are the primary cells there. The production of insulin-like growth factor 1 is another step involved in this process of increasing height. This process uses liver as the main organ. This IGF-1 affects the growth of various tissues in human body through effective stimulation. Human growth hormone increases the mineral level of bones and calcium content in the body thereby strengthening them.
Thus growth hormones have a great role in human body. Hence a proper functioning and level of these hormones are essential in human body. A fluctuation in the level of growth hormones can cause several serious health issues. In fact an imbalance can lead to dangerous effects as well. This imbalance can be due to an excess amount or a deficiency of growth hormones in the body. Growth hormones are also used to treat diseases and these are the therapeutic treatments using growth hormones. Growth hormones are also known as an anti-ageing agent. But such a therapeutic treatment can at times cause side effects resulting in diseases like diabetes. Colon and lung cancer are other side effects seen in children treated with growth hormones.
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