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  2. Phosphatidylserine - Wikipedia

    en.wikipedia.org/wiki/Phosphatidylserine

    Phosphatidylserine (abbreviated Ptd-L-Ser or PS) is a phospholipid and is a component of the cell membrane. [1] It plays a key role in cell cycle signaling, specifically in relation to apoptosis . It is a key pathway for viruses to enter cells via apoptotic mimicry . [ 2 ]

  3. Eat-me signals - Wikipedia

    en.wikipedia.org/wiki/Eat-me_signals

    The most well characterised eat-me signal is the phospholipid phosphatidylserine. Healthy cells do not expose phosphatidylserine on their surface, whereas dead, dying, infected, injured and some activated cells expose phosphatidylserine on their surface in order to induce phagocytes to phagocytose them.

  4. Polysomnography - Wikipedia

    en.wikipedia.org/wiki/Polysomnography

    Polysomnography (PSG) is a multi-parameter type of sleep study [1] and a diagnostic tool in sleep medicine.The test result is called a polysomnogram, also abbreviated PSG.The name is derived from Greek and Latin roots: the Greek πολύς (polus for "many, much", indicating many channels), the Latin somnus ("sleep"), and the Greek γράφειν (graphein, "to write").

  5. Neuroscience of sleep - Wikipedia

    en.wikipedia.org/wiki/Neuroscience_of_sleep

    NREM Stage 1 (N1 – light sleep, somnolence, drowsy sleep – 5–10% of total sleep in adults): This is a stage of sleep that usually occurs between sleep and wakefulness, and sometimes occurs between periods of deeper sleep and periods of REM. The muscles are active, and the eyes roll slowly, opening and closing moderately.

  6. Phosphatidylethanolamine - Wikipedia

    en.wikipedia.org/wiki/Phosphatidylethanolamine

    Phosphatidylserine decarboxylase is the enzyme that is used to decarboxylate phosphatidylserine in the first pathway. The phosphatidylserine decarboxylation pathway is the main source of synthesis for phosphatidylethanolamine in the membranes of the mitochondria. Phosphatidylethanolamine produced in the mitochondrial membrane is also ...

  7. Glymphatic system - Wikipedia

    en.wikipedia.org/wiki/Glymphatic_system

    A publication by L. Xie and colleagues in 2013 explored the efficiency of the glymphatic system during slow wave sleep and provided the first direct evidence that the clearance of interstitial waste products increases during the resting state.