Latent Tuberculosis Infection (LTBI) and Its Potential Targets: An Investigation into Dormant Phase Pathogens

Gopichand Gutti1, Karan Arya1, Sushil Kumar Singh1

  • 1Pharmaceutical Chemistry Research Laboratory, Department of Pharmaceutical Engineering & Technology, Indian Institute of Technology (B.H.U.) Varanasi-221005 (U.P.), India.

Insights

Latent tuberculosis infection (LTBI) affects one-third of the global population. This review explores novel molecular targets and new therapeutic strategies for dormant tuberculosis bacilli, aiming to improve treatment outcomes.

Area of Science:

  • Microbiology and Infectious Diseases
  • Drug Discovery and Development
  • Molecular Biology

Background:

  • Latent tuberculosis infection (LTBI) is a significant global health challenge, with one-third of the world's population infected.
  • Reactivation of LTBI poses a continuous risk, necessitating improved therapeutic strategies beyond current first-line treatments.
  • The identification of novel drug targets for dormant Mycobacterium tuberculosis bacilli is a critical research priority.

Purpose of the Study:

  • To review the current understanding of tuberculosis infection, focusing on the dormant phase of the bacilli.
  • To provide insights into potential molecular targets for novel antitubercular therapies.
  • To summarize preclinical and clinical advancements and emerging approaches in antitubercular drug discovery.

Main Methods:

  • Comprehensive literature review of scientific publications on tuberculosis infection, diagnostics, and drug discovery.
  • Analysis of current research on molecular targets associated with dormant Mycobacterium tuberculosis.
  • Synthesis of information on preclinical and clinical studies of novel antitubercular agents.

Main Results:

  • Detailed overview of LTBI, its diagnostic challenges, and the biological characteristics of dormant bacilli.
  • Identification and explanation of several potential molecular targets within dormant tuberculosis bacilli.
  • Summary of the current landscape of antitubercular drug development, including preclinical and clinical findings.

Conclusions:

  • Novel therapeutic targets and drug discovery approaches are crucial for combating latent tuberculosis infection effectively.
  • Further research into the molecular mechanisms of dormant bacilli is essential for developing next-generation TB therapies.
  • The review highlights promising avenues for future drug development to address the global burden of LTBI.

Related Concept Videos

Action Potential: Phases of Stimulation01:28

Action Potential: Phases of Stimulation

The action potential is a complex electrical event that occurs in excitable cells, such as neurons and muscle cells. It consists of several distinct phases, each with specific characteristics.
Resting Phase:
In this phase, the cell's membrane is at its resting potential, typically around -70 millivolts (mV) for neurons. Inside the cell, there is a higher concentration of potassium ions (K+) and a lower concentration of sodium ions (Na+). Voltage-gated sodium channels are closed, and...
11.8K
Phase Diagrams02:39

Phase Diagrams

A phase diagram combines plots of pressure versus temperature for the liquid-gas, solid-liquid, and solid-gas phase-transition equilibria of a substance. These diagrams indicate the physical states that exist under specific conditions of pressure and temperature and also provide the pressure dependence of the phase-transition temperatures (melting points, sublimation points, boiling points). Regions or areas labeled solid, liquid, and gas represent single phases, while lines or curves represent...
49.2K
Pulmonary Tuberculosis I01:29

Pulmonary Tuberculosis I

Tuberculosis, often called TB, is a contagious illness primarily caused by Mycobacterium tuberculosis. It mainly affects the lung parenchyma but can also impact other body parts.
Causative Organism
The primary infectious agent causing tuberculosis is Mycobacterium tuberculosis, a slow-growing, acid-fast, aerobic rod that exhibits sensitivity to heat and ultraviolet light. Instances of Mycobacterium bovis and Mycobacterium avium contributing to the development of TB infection are rare.
Mode of...
879
Pulmonary Tuberculosis II01:28

Pulmonary Tuberculosis II

Tuberculosis, or TB, is a bacterial infectious disease caused by Mycobacterium tuberculosis. While its primary impact is on the lungs, leading to pulmonary tuberculosis, it can also affect various other organs, a condition referred to as extrapulmonary tuberculosis.
Here is a detailed explanation of its pathophysiology:
Transmission: The process begins when a person inhales droplet nuclei containing M. tuberculosis. These are typically released into the air when an individual with pulmonary or...
1.4K
Pulmonary Tuberculosis V01:28

Pulmonary Tuberculosis V

Medical management of tuberculosis (TB) patients involves a comprehensive approach that includes diagnosis, treatment, and monitoring. The specific strategies can vary depending on the type of tuberculosis (latent or active), the patient's overall health status, and other considerations.
Latent tuberculosis infection occurs when TB bacteria are present in a person's body, but are not causing illness or symptoms. It is not contagious, and preventive treatment is crucial to avoid the...
554
Phase Transitions02:31

Phase Transitions

Whether solid, liquid, or gas, a substance's state depends on the order and arrangement of its particles (atoms, molecules, or ions). Particles in the solid pack closely together, generally in a pattern. The particles vibrate about their fixed positions but do not move or squeeze past their neighbors. In liquids, although the particles are closely spaced, they are randomly arranged. The position of the particles are not fixed—that is, they are free to move past their neighbors to...
22.8K