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Related Concept Videos

Therapeutic Index01:13

Therapeutic Index

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The therapeutic index of a drug is a key parameter in pharmacology that quantifies the relative safety of a drug by calculating the ratio between the dose that causes toxicity in half the population (50%) to the dose that proves to be effective for half the population (50%). It provides a spectrum of doses for a particular drug ranging from effective to potentially toxic. To illustrate, consider an anticoagulant agent like warfarin. It possesses a narrow window within its therapeutic index to...
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Antibody Structure01:10

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Overview
Antibodies, also known as immunoglobulins (Ig), are essential players of the adaptive immune system. These antigen-binding proteins are produced by B cells and make up 20 percent of the total blood plasma by weight. In mammals, antibodies fall into five different classes, which each elicits a different biological response upon antigen binding.
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Therapeutic Communication01:30

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Communication is a lifelong learning process. Through therapeutic communication, nurses can collect relevant assessment data, provide education and counseling, and interact during nursing interventions. Sending and receiving messages occur through verbal and nonverbal communication techniques and can happen separately or simultaneously.
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Antimuscarinic drugs have various therapeutic applications by inhibiting parasympathetic stimulation in different systems. Here are the key therapeutic uses of antimuscarinics:    
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Microorganisms in Medicine and Therapeutics01:29

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Microorganisms play a fundamental role in vaccine development, gene therapy, and therapeutic production. Their biological properties are harnessed to advance medicine and public health. Beyond immunization, microorganisms contribute to gut health, antibiotic synthesis, and genetic disease treatment.Live Attenuated and Inactivated VaccinesLive attenuated vaccines, such as the measles, mumps, and rubella (MMR) vaccine, utilize weakened forms of pathogens to closely resemble natural infections.
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Antibody Actions

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Antibodies, or immunoglobulins, are critical players in the immune system's arsenal against invading pathogens. Produced by B cells and plasma cells, their primary role is to detect and bind to specific antigens, molecules found on the surface of pathogens like bacteria or viruses. Beyond antigen recognition, antibodies perform several vital functions that contribute to immune defense.
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Laboratory Scale Production and Purification of a Therapeutic Antibody
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Therapeutic Antibodies for Biodefense.

Arnaud Avril1

  • 1Département des maladies infectieuses, Unité biothérapies anti-infectieuses et immunité, Institut de Recherche Biomédical des Armées, Brétigny-sur-Orge, France. arnaud.avril@defense.gouv.fr.

Advances in Experimental Medicine and Biology
|March 18, 2018
PubMed
Summary

This review examines biological agents used in biowarfare and the antibodies developed as countermeasures. It highlights Category A pathogens and their potential for bioterrorism, emphasizing antibody efficacy.

Keywords:
AntibodiesBiodefenseBioterrorismBiowarfare agentBioweaponCBRNProphylaxisTherapeuticToxinVirus

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Area of Science:

  • Biosecurity and Public Health
  • Microbiology and Immunology
  • International Relations and Security Studies

Background:

  • Biological agents, including bacteria, viruses, and toxins, pose natural health risks.
  • Intentional dissemination of these agents by states or terrorists constitutes biowarfare, aiming to cause widespread disease, economic disruption, and societal instability.
  • The Centers for Disease Control and Prevention (CDC) categorizes high-threat biological agents into Category A, identifying six key pathogens suitable for bioweaponry.

Purpose of the Study:

  • To review the primary biological agents with bioweapon potential.
  • To provide historical context on the use of biological agents in warfare.
  • To explore the development and application of antibodies as countermeasures against bioweapons.

Main Methods:

  • Literature review of scientific publications and historical records.
  • Analysis of biological agent classification systems, focusing on CDC Category A pathogens.
  • Examination of antibody-based countermeasures, including their prophylactic and therapeutic properties.

Main Results:

  • Identification of key Category A bioweapons: Bacillus anthracis, Yersinia pestis, Francisella tularensis, botulinum neurotoxins, smallpox, and viral hemorrhagic fevers.
  • Overview of historical instances and the evolving threat landscape of biowarfare.
  • Confirmation of antibodies as effective biomedical countermeasures due to their specificity, speed, and dual action (prophylactic and therapeutic).

Conclusions:

  • Biological agents pose significant threats, necessitating robust biodefense strategies.
  • Antibodies offer a promising avenue for mitigating the impact of bioweapon attacks.
  • Continued research and development of antibody-based therapies are crucial for global health security.