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Related Concept Videos

Synthesis and Functions of Calcitonin00:51

Synthesis and Functions of Calcitonin

Calcitonin, a vital polypeptide hormone, regulates calcium levels within body fluids. It is released by the parafollicular cells, also known as C cells, situated in the follicular epithelium of the thyroid gland. Calcitonin responds to fluctuations in blood calcium levels and the influence of gastrointestinal hormones like gastrin and cholecystokinin.
The exact mechanisms by which calcitonin operates in calcium homeostasis remain elusive, but its significance is evident in several vital...
Pharmacokinetics in Pediatric Patients: Drug Distribution01:17

Pharmacokinetics in Pediatric Patients: Drug Distribution

Drug distribution in the pediatric population exhibits unique challenges and considerations due to the physiological differences between children, particularly neonates and infants, and adults. A crucial aspect of pediatric pharmacology is understanding how these differences impact the pharmacokinetics of various drugs, necessitating age-specific dosing strategies to ensure efficacy and safety.Neonates and infants have a higher total body water content, ~75%–90% of their body weight, compared...
Hormones and Bone Tissue01:17

Hormones and Bone Tissue

The endocrine system produces and secretes hormones, which interact with the skeletal system. These hormones control bone growth, maintain bone once it is formed, and remodel it.
Hormones That Influence Osteoblasts and/or Maintain the Matrix
Several hormones are necessary for controlling bone growth and maintaining the bone matrix. The pituitary gland secretes growth hormone (GH), which, as its name implies, controls bone growth. This happens in several ways: first, it triggers chondrocyte...
Pharmacokinetics in Pediatric Patients: Drug Metabolism01:24

Pharmacokinetics in Pediatric Patients: Drug Metabolism

In pediatric care, understanding the nuances of hepatic drug metabolism is crucial, as it significantly differs from that of adults. This divergence is primarily due to the developmental stage of drug-metabolizing enzymes, which affects how medications are processed in the body. In neonates, for instance, the activity of Phase I enzymes—critical for the initial breakdown of drugs—is markedly reduced, functioning at just 20–40% of the levels seen in adults. This reduction poses a challenge in...
Pharmacokinetics in Pediatric Patients: Drug Excretion01:26

Pharmacokinetics in Pediatric Patients: Drug Excretion

In pediatric medicine, understanding the renal function and drug elimination nuances is crucial for administering safe and effective treatments. Newborns, in particular, display markedly slower renal functions than adults, profoundly affecting how drugs are cleared from their bodies. This slower drug clearance requires clinicians to extend the dosing intervals for many medications to prevent drug accumulation and toxicity while ensuring therapeutic efficacy.One key area where these adjustments...
Pharmacokinetics in Pediatric Patients: Overview and Drug Absorption01:23

Pharmacokinetics in Pediatric Patients: Overview and Drug Absorption

Understanding the physiological differences in the pediatric population is crucial for effective pharmacotherapy. Neonates, infants, and children exhibit significant variations in gastric pH, gastric emptying time, intestinal transit time, and biliary function. These variations profoundly affect oral drug absorption, necessitating a nuanced approach to pediatric dosing.Neonates present with a unique physiological profile, having a gastric pH greater than 4 and faster and more irregular gastric...

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Related Experiment Video

Updated: May 13, 2026

Detection and Quantification of Calcitonin Gene-Related Peptide (CGRP) in Human Plasma Using a Modified Enzyme-Linked Immunosorbent Assay
07:14

Detection and Quantification of Calcitonin Gene-Related Peptide (CGRP) in Human Plasma Using a Modified Enzyme-Linked Immunosorbent Assay

Published on: June 16, 2023

Procalcitonin in pediatrics.

Lucia Pacifico1, John F Osborn, Fabio Natale

  • 1Department of Pediatrics, Sapienza University of Rome, Rome, Italy.

Advances in Clinical Chemistry
|March 7, 2013
PubMed
Summary
This summary is machine-generated.

Procalcitonin (PCT) shows clinical usefulness in adults for severe infections. This review examines PCT

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Area of Science:

  • Biochemistry
  • Pediatric Medicine
  • Clinical Microbiology

Background:

  • Procalcitonin (PCT) has been extensively studied for clinical utility in adult severe infections over 20 years.
  • Debate exists regarding PCT's role in diagnosing and managing severe infections in adults.
  • Clinician familiarity with PCT use in pediatric populations is limited.

Purpose of the Study:

  • To review the clinical significance of procalcitonin (PCT) in pediatric severe conditions.
  • To evaluate PCT as a biomarker for systemic inflammation, infection, and sepsis in children.

Main Methods:

  • Literature review of procalcitonin (PCT) studies.
  • Analysis of PCT's role in pediatric systemic inflammation, infection, and sepsis.

Main Results:

  • Growing body of literature on PCT in adults, but less in pediatrics.
  • PCT is a potential marker for severe pediatric conditions.
  • PCT's utility in pediatric sepsis and inflammation requires further investigation.

Conclusions:

  • Procalcitonin (PCT) is a valuable marker for severe pediatric conditions.
  • Further research is needed to fully establish PCT's role in pediatric infection and sepsis management.