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2. T-cell receptor - Wikipedia

   en.wikipedia.org/wiki/T-cell_receptor

   The T-cell receptor ( TCR) is a protein complex found on the surface of T cells, or T lymphocytes, [1] that is responsible for recognizing fragments of antigen as peptides bound to major histocompatibility complex (MHC) molecules. The binding between TCR and antigen peptides is of relatively low affinity and is degenerate: that is, many TCRs ...

3. Cytotoxic T cell - Wikipedia

   en.wikipedia.org/wiki/Cytotoxic_T_cell

   Antigen presentation stimulates T cells to become either "cytotoxic" CD8+ cells or "helper" CD4+ cells.. A cytotoxic T cell (also known as T C, cytotoxic T lymphocyte, CTL, T-killer cell, cytolytic T cell, CD8 + T-cell or killer T cell) is a T lymphocyte (a type of white blood cell) that kills cancer cells, cells that are infected by intracellular pathogens (such as viruses or bacteria), or ...

4. T helper cell - Wikipedia

   en.wikipedia.org/wiki/T_helper_cell

   Activation of macrophage or B cell by T helper cell. The T helper cells ( Th cells ), also known as CD4+ cells or CD4-positive cells, are a type of T cell that play an important role in the adaptive immune system. They aid the activity of other immune cells by releasing cytokines. They are considered essential in B cell antibody class switching ...

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6. T-Mobile's $4.4B US Cellular And TDS Deal Promises ... - AOL

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   May 28, 2024 at 9:12 AM. T-Mobile's $4.4B US Cellular And TDS Deal Promises Enhanced Rural 5G Coverage. T-Mobile US, Inc (NASDAQ: TMUS) agreed to acquire substantially all of United States ...

7. AOL Mail for Verizon Customers - AOL Help

   help.aol.com/products/aol-mail-verizon

   Learn how to update your settings to make AOL Mail look and feel exactly how you need it. Netscape Internet Service (ISP) · Jan 30, 2024. Get answers to your AOL Mail, login, Desktop Gold, AOL app, password and subscription questions. Find the support options to contact customer care by email, chat, or phone number.

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9. Activation-induced cell death - Wikipedia

   en.wikipedia.org/wiki/Activation-induced_cell_death

   AICD (activation-induced cell death) is programmed cell death caused by the interaction of Fas receptors (Fas, CD95) and Fas ligands (FasL, CD95 ligand). [1] AICD is a negative regulator of activated T lymphocytes that results from repeated stimulation of their T-cell receptors (TCR) and helps to maintain peripheral immune tolerance. [2]