messengers


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messengers

specific cellular receptor molecules
  • first messengers extracellular biochemicals (e.g. lipoproteins, immunoglobulins, peptide hormones, neurotransmitters) that interact with cell membrane receptors to bring about cell membrane or intracellular effects

  • second messengers intracellular biochemicals (e.g. cyclic adenosine monophosphate [cAMP], inositol triphosphate [IP3], diacylglycerol [DAG]), calcium [Ca2+] formed when first messengers interact with intracellular enzymes; second messengers trigger the cell's response to the first messenger

References in periodicals archive ?
This messenger center will not only make package delivery more efficient for our tenants," said Kent M.
Messenger centers serve a vital function to the security of a building by limiting outside traffic and providing a uniformed presence while streamlining the incoming and outgoing flow of materials.
Smart EDIS Alerts is a prototype for the next generation of messaging services," said Jon Lei, CEO of Roaming Messenger.
Roaming Messenger was recently referred to as the "Killer App" for homeland security by nationally recognized strategist, David Stephenson, in his daily homeland security publication.
Roaming Messenger has been committing itself to supporting the major mobile operating systems such as Windows(R) Mobile and Blackberry(R).
Today, Microsoft recognizes Roaming Messenger for its skills and expertise in providing customer satisfaction with Microsoft products and technology.
Frost & Sullivan recently presented Roaming Messenger(R) (OTCBB:RMSG) with the 2005 Excellence in Technology of the Year Award in biological surveillance technologies in recognition of the company's innovative and interactive messaging technology platform, Roaming Messenger (RM).
Roaming Messenger shifts the current paradigm of mobilizing enterprise applications via static flat messages to the new paradigm of dynamic, intelligent messengers that extend active functionality out to mobile users.
Roaming Messenger technology will allow HealthTracer's cutting edge solution to retrieve and deliver patient medical information to appropriate medical providers instantly over various wired and wireless devices.
After a trial deployment over a year ago, Caltrol requested Starnet to enhance its current 3Com NBX implementation by providing an upgrade to its voicemail system by integrating Roaming Messenger capabilities.