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Tumour Development and Growth: How They Form, and Characteristics | Max Hospital

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Tumour Development and Growth: How They Form, and Characteristics

By Dr. Rajeev Garg in Neurosurgery , Neurosciences , Spine Surgery

Jun 14 , 2024 | 1 min read

Tumour development and growth are complex processes influenced by many factors within the body. To truly comprehend this intricate phenomenon, it's essential to delve into the science of tumour biology. 

At the heart of tumour development lies the uncontrolled proliferation of abnormal cells. This proliferation is driven by genetic mutations that disrupt the normal regulatory mechanisms governing cell growth and division. These mutations can arise spontaneously or be triggered by various external factors such as exposure to carcinogens, radiation, or viruses. 

Once initiated, tumour growth is fueled by a process known as angiogenesis, where new blood vessels are formed to supply the growing tumour with nutrients and oxygen. This process is orchestrated by a cascade of signalling molecules that stimulate the proliferation and migration of endothelial cells, ultimately forming a network of blood vessels within the tumour microenvironment. 

As tumours grow, they acquire additional genetic alterations that confer them with invasive and metastatic capabilities. These capabilities enable tumour cells to break away from the primary site, invade surrounding tissues, and disseminate to distant organs through the bloodstream or lymphatic system. Metastasis is a highly orchestrated process in which tumour cells and the host microenvironment interact in complex ways.

Understanding the molecular processes underlying tumour development and growth is essential for developing targeted therapies that disrupt particular pathways in tumour progression. By elucidating the intricate biology of tumours, researchers and clinicians can identify novel therapeutic targets and develop more effective treatment options that are personalised to each patient.

In conclusion, tumour development and growth are multifaceted processes driven by genetic mutations, angiogenesis, and metastasis. By unravelling the underlying mechanisms, we can gain deeper insights into tumour biology and develop innovative therapies to combat cancer