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Targeting LRG1 boosts immunotherapy

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Michele De Palma, Amanda Waite Lund
2021

Abstract

Vascular normalization therapy has the potential to facilitate drug delivery and lymphocyte infiltration in tumors. Yet, optimal targets and dosage regimens remain elusive. In this issue of Med, O’Connor et al. show that inhibition of LRG1 stabilizes the tumor-associated vasculature to enhance tumor response to both cytotoxic and immune therapies.

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https://infoscience.epfl.ch/entities/publication/7f2486ab-c68d-4d7e-bb95-8d14b653c249

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Related concepts (8)

A brain tumor occurs when abnormal cells form within the brain. There are two main types of tumors: malignant tumors and benign (non-cancerous) tumors. These can be further classified as primary tumors, which start within the brain, and secondary tumors, which most commonly have spread from tumors located outside the brain, known as brain metastasis tumors. All types of brain tumors may produce symptoms that vary depending on the size of the tumor and the part of the brain that is involved.

Tumor microenvironment

The tumor microenvironment (TME) is the environment around a tumor, including the surrounding blood vessels, immune cells, fibroblasts, signaling molecules and the extracellular matrix (ECM). The tumor and the surrounding microenvironment are closely related and interact constantly. Tumors can influence the microenvironment by releasing extracellular signals, promoting tumor angiogenesis and inducing peripheral immune tolerance, while the immune cells in the microenvironment can affect the growth and evolution of cancerous cells.

Neuroendocrine tumor

Neuroendocrine tumors (NETs) are neoplasms that arise from cells of the endocrine (hormonal) and nervous systems. They most commonly occur in the intestine, where they are often called carcinoid tumors, but they are also found in the pancreas, lung, and the rest of the body. Although there are many kinds of NETs, they are treated as a group of tissue because the cells of these neoplasms share common features, including a similar histological appearance, having special secretory granules, and often producing biogenic amines and polypeptide hormones.

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