GIF

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macrophage migration inhibitory factor

A 25-kD proinflammatory lymphokine, produced by T cells in response to antigenic stimulus, which inhibits macrophage migration.

Gene
MMIF is encoded by MIF on chromosome 22q11.23.

Activities
Cell-mediated immunity, inflammation and regulation of macrophage function in host defence by suppressing the anti-inflammatory effects of glucocorticoids.
 
Mechanism
Increases intracellular cAMP, polymerises microtubules, stops macrophage progression.

GIF,

References in periodicals archive ?
smid=tw-nytimes) story on Steve Wilhite -- the creator of the GIF, or Graphics Interchange Format -- being honored for his role in creating the ubiquitous file format back in 1987.
Animation Ad: Ad created using the Graphics Interchange Format (GIF) that allows advertisers to create simple animated images.
CGM now joins Graphics Interchange Format (GIF) and Joint Photographic Experts Group (JPEG) as the only IETF-approved image types on the Internet.
During this process, Cyberleaf takes documents created with all major word processing and graphics applications and converts them simultaneously to HyperText Markup Language (HTML) and Graphics Interchange Format (GIF), the file formats that Mosaic displays and which are considered Internet standards.
Although we can leave the technologically esoteric definitions of random access memory and graphics interchange formats to the IT departments, risk managers should keep up with the terms that could make their CEOs liable from both design and maintenance perspectives on their company's Web site.