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  2. Cytotoxic T-lymphocyte associated protein 4 - Wikipedia

    en.wikipedia.org/wiki/Cytotoxic_T-lymphocyte...

    CTLA-4 is a member of the immunoglobulin superfamily that is expressed by activated T cells and transmits an inhibitory signal to T cells. CTLA-4 is homologous to the T-cell co-stimulatory protein, CD28, and both molecules bind to CD80 and CD86, also called B7-1 and B7-2 respectively, on antigen-presenting cells. CTLA-4 binds CD80 and CD86 with ...

  3. List of emojis - Wikipedia

    en.wikipedia.org/wiki/List_of_emoji

    Unicode 16.0 specifies a total of 3,790 emoji using 1,431 characters spread across 24 blocks, of which 26 are Regional indicator symbols that combine in pairs to form flag emoji, and 12 (#, * and 0–9) are base characters for keycap emoji sequences. [1] [2] [3] 33 of the 192 code points in the Dingbats block are considered emoji

  4. List of emoticons - Wikipedia

    en.wikipedia.org/wiki/List_of_emoticons

    A simple smiley. This is a list of emoticons or textual portrayals of a writer's moods or facial expressions in the form of icons.Originally, these icons consisted of ASCII art, and later, Shift JIS art and Unicode art.

  5. Miscellaneous Symbols - Wikipedia

    en.wikipedia.org/wiki/Miscellaneous_Symbols

    Allow emoji modifiers for 2 existing and 1 proposed characters, 2015-07-31 L2/15-187 Moore, Lisa (2015-08-11), "Consensus 144-C17", UTC #144 Minutes , Give emoji modifier status secondary to U+26F9 PERSON WITH BALL and U+1F3CB WEIGHT LIFTER, for the next revision of UTR #51.

  6. Abatacept - Wikipedia

    en.wikipedia.org/wiki/Abatacept

    Abatacept is a soluble CTLA-4 analog that prevents antigen-presenting cells (APCs) from delivering the co-stimulatory signal. This prevents the T cells from being fully activated, and even downregulates them. Simple signaling without co-stimulation allows the cell to recognize the primary signal as "self" and not ramp-up responses for future ...

  7. Here's the 411 on All the Different Meanings for Heart Emojis

    www.aol.com/heres-411-different-meanings-heart...

    There's a new heart emoji on the block (since 2022), and its light blue hue, according to Emojipedia, epitomizes "love, friendship, feelings of warmth, and the color blue." Cheerful, if not ...

  8. Supplemental Symbols and Pictographs - Wikipedia

    en.wikipedia.org/wiki/Supplemental_Symbols_and...

    The Unicode 14.0 Supplemental Symbols and Pictographs block contains 242 emoji, [3] [4] consisting of all the non-Typikon symbols except for the rifle and the pentathlon symbol.

  9. Checkpoint inhibitor - Wikipedia

    en.wikipedia.org/wiki/Checkpoint_inhibitor

    The first checkpoint antibody approved by the FDA was ipilimumab, approved in 2011 for treatment of melanoma. [2] It blocks the immune checkpoint molecule CTLA-4.Clinical trials have also shown some benefits of anti-CTLA-4 therapy on lung cancer or pancreatic cancer, specifically in combination with other drugs.