Publications by authors named "Subhadip Pati"

The host immune system is adapted in a variety of ways by tumour microenvironment and growing tumour interacts to promote immune escape. One of these adaptations is manipulating the metabolic processes of cells in the tumour microenvironment. The growing tumour aggressively utilise glucose, its primary energy source available in tumour site, and produce lactate by Warburg effect.

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Article Synopsis
  • Cancer stem cells (CSCs) are crucial for tumor development and can evade the immune system by converting effector T cells into immunosuppressive T-regulatory cells (Tregs).
  • The study found that even a small number of CSCs could generate Tregs from CD4 T cells without direct contact, suppressing the antitumor activity of immune cells.
  • Additionally, CSCs are resistant to chemotherapy and produce high levels of the cytokine TGFβ, which promotes Treg formation, contributing to ongoing tumor growth and potential relapse after treatment.
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B cells are an essential component of humoral immunity. Their primary function is to mount antigen-specific antibody responses to eliminate pathogens. Despite an increase in B-cell number, we found that serum-IgG levels were low in patients with breast cancer.

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Infiltrating T-regulatory cells in the tumor microenvironment is a key impediment to immunotherapy and is linked to a poor prognosis. We found that tumor-infiltrating Tregs express a higher expression of the chemokine receptor CCR4 than peripheral Tregs in breast cancer patients. CCL22 and CCL17 are released by tumor cells and tumor-associated macrophages, attracting CCR4 Tregs to the tumor site.

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The conventional carcinoma treatment generally encompasses the employment of radiotherapy, chemotherapy, surgery or use of cytotoxic drugs. However, recent advances in pharmacological research have divulged the importance of traditional treatments in cancer. The aim of the present review is to provide an overview of the importance of one such medicinal herb of Chinese and Indian origin: on colorectal cancer with special emphasis on its principal bioactive component andrographolide (AGP) and its underlying mechanisms of action.

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Plasticity between Th17 and Treg cells is regarded as a crucial determinant of tumor-associated immunosuppression. Classically Th17 cells mediate inflammatory responses through production of cytokine IL17. Recently, Th17 cells have also been shown to acquire suppressive phenotypes in tumor microenvironment.

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The initiation of new blood vessel formation (neo-angiogenesis) is one of the primary requirements for the establishment of tumor. As the tumor grows beyond a certain size, a hypoxic-condition arises in the inner core of tumor, triggering the release of chemokines, which attract T-regulatory (Treg) cells in the tumor-site. The presence of FOXP3, a lineage-specific transcription factor, expressing Treg cells in various types of tumor implements immunosuppressive and tumor-promoting strategies.

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Background: Recently various types of immunotherapies have made immense progress in combating cancer. Adoptive cell therapy, being one of the most favorable forms of immunotherapy, is rapidly moving from bench to bed.

Main Body: Different types of T-memory cells are being used as promising candidates for adoptive cell therapy: T effector memory (T) cells which are terminally differentiated memory cells and attain effector function soon after re-stimulation; T central memory (T) cells which differentiate into effector T-memory subsets and T-effector cells after antigenic stimulation; and tissue T resident memory (T) cells which fight the tumor insult at the peripheral tissues.

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