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In power systems, the entire setup is divided into protective zones to isolate faults and protect the rest of the network. These zones include generators, transformers, buses, transmission lines, distribution lines, and motors. Each zone can be visualized as a separate room in a house, with each room protected by its own circuit breaker.
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Self-esteem, a central component of psychological well-being, is actively maintained through various cognitive and behavioral strategies. Individuals employ specific mechanisms to preserve a positive self-concept and mitigate threats to their self-worth, particularly in contexts involving social evaluation or personal feedback. Four primary techniques are commonly used to sustain self-esteem.Manipulating AppraisalsOne prominent strategy involves manipulating appraisals from others. Individuals...
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Coordinating time-delay overcurrent relays in complex radial systems and directional overcurrent relays in multi-source transmission loops can be challenging. Impedance relays address these issues by responding to the voltage-to-current ratio, specifically measuring the apparent impedance of a line. These relays become more sensitive during faults as current increases and voltage decreases, thereby reducing the apparent impedance.
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Area of Science:

  • Immunology
  • Sepsis Pathophysiology
  • Cytokine Signaling

Background:

  • Interleukin 38 (IL-38), a member of the IL-1 cytokine family, has an uncharacterized role in sepsis.
  • Sepsis is a life-threatening condition characterized by a dysregulated host response to infection.

Purpose of the Study:

  • To investigate the role of IL-38 in sepsis.
  • To evaluate IL-38 as a potential therapeutic target for sepsis.

Main Methods:

  • Measured serum IL-38 levels in adult and pediatric sepsis patients and healthy controls.
  • Utilized murine models of lipopolysaccharide (LPS)-induced endotoxemia and cecal ligation and puncture (CLP)-induced sepsis.
  • Assessed the impact of IL-38 on survival, inflammation, tissue injury, and bacterial clearance.

Main Results:

  • Serum IL-38 was elevated in sepsis patients and negatively correlated with leukocyte count and inflammatory cytokines (IL-6, TNF-α).
  • Anti-IL-38 antibodies worsened survival, while recombinant IL-38 improved survival in murine sepsis models.
  • IL-38 administration reduced inflammation, tissue damage, and enhanced bacterial clearance in sepsis models.

Conclusions:

  • IL-38 plays a protective role in sepsis by mitigating inflammation and improving bacterial clearance.
  • IL-38 represents a promising novel therapeutic strategy for combating sepsis.