Gliomas

Gliomas are tumors that most commonly arise from a specific type of glial (supportive tissue) cell known as an astrocyte. Astrocytes make up the supportive network of the brain. These cells are named for their star-like appearance.
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Mixed gliomas are brain tumors that contain more than one type of cell. The prognosis is affected by the cell type with the highest grade present in the tumor.
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Gliomas refer to a class of tumors that can be found in various parts of the brain. Optic gliomas are gliomas that affect part of the optic nerves (the nerves that carry visual information to the brain from the eyes) or the optic chiasm.
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Gliomas are thought to be derived from glial cells such as astrocytes, oligodendrocytes, and ependymal cells. These tumors can have varying degrees of malignancy. The gliomas are subdivided into 3 types: ...
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Familial paraganglioma syndrome is an unusual familial disease involving slow-growing benign tumors -- paragangliomas, glomus tumors, or chemodectomas -- predominantly in the head and neck region. The gene for the disease is on chromosome 11q23.
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Clinical trials are also being conducted to evaluate its use in the treatment of primary brain tumors (glioblastoma multiforme), childhood gliomas, pancreatic cancer, and stage III non-small cell lung cancer.
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The most common childhood brain tumors are astrocytoma, medulloblastoma, ependymoma, and brain stem glioma. Gliomas account for 75% of brain tumors among children but only 45% in adults.
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The protein in the venom is particularly useful as it has the rare ability to pass through the blood-brain barrier - a membrane that controls the transport of substances from the bloodstream into the brain. The venom can also bind to gliomas, ...
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