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Mitochondrial biogenesis is the process by which cells increase mitochondrial numbers. [1] [2] It was first described by John Holloszy in the 1960s, when it was discovered that physical endurance training induced higher mitochondrial content levels, leading to greater glucose uptake by muscles. [3]
A mitogen is a small bioactive protein or peptide that induces a cell to begin cell division, or enhances the rate of division . Mitogenesis is the induction (triggering) of mitosis, typically via a mitogen.
VEGF xxx may then cause the creation of new blood vessels in the retina and elsewhere in the eye, heralding changes that may threaten the sight. VEGF-A plays a role in the disease pathology of the wet form age-related macular degeneration (AMD), which is the leading cause of blindness for the elderly of the industrialized world. The vascular ...
The first mitogen-activated protein kinase to be discovered was ERK1 in mammals. Since ERK1 and its close relative ERK2 are both involved in growth factor signaling, the family was termed "mitogen-activated". With the discovery of other members, even from distant organisms (e.g. plants), it has become increasingly clear that the name is a ...
Growth factor is sometimes used interchangeably among scientists with the term cytokine. [3] Historically, cytokines were associated with hematopoietic (blood and lymph forming) cells and immune system cells (e.g., lymphocytes and tissue cells from spleen, thymus, and lymph nodes).
Around the world, the most common cause of congenital iodine deficiency syndrome (endemic cretinism) [1] is dietary iodine deficiency. Iodine is an essential trace element, necessary for the synthesis of thyroid hormones. Iodine deficiency is the most common preventable cause of neonatal and childhood brain damage worldwide. [11]
The body, and each mutation, is modulated by other genome variants; the mutation that in one individual may cause liver disease might in another person cause a brain disorder. The severity of the specific defect may also be great or small. Some defects include exercise intolerance. Defects often affect the operation of the mitochondria and ...
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