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Cruise control systems in cars are designed as multi-input systems to maintain a driver's desired speed while compensating for external disturbances such as changes in terrain. The block diagram for a cruise control system typically includes two main inputs: the desired speed set by the driver and any external disturbances, such as the incline of the road. By adjusting the engine throttle, the system maintains the vehicle's speed as close to the desired value as possible.
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Drug interactions occur when the pharmacological effect of one drug is altered by another substance, either enhancing or diminishing its activity. The drug whose activity is altered is known as the object drug, and the substance causing the alteration is called the agent drug or the precipitant. The net effects of these interactions are mostly undesirable, leading to decreased effectiveness or increased adverse effects. In rare cases, interactions can be beneficial, such as the enhanced...
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Multi-Target Antitubercular Drugs.

Jessika de Oliveira Viana1, Hamilton Mitsugu Ishiki2, Marcus Tullius Scotti1

  • 1Cheminformatics Laboratory, Postgraduate Program in Natural Products and Synthetic Bioactive, Federal University of Paraiba, Campus I, 58051-900, Joao Pessoa-PB, Brazil.

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New drug discovery is crucial for treating tuberculosis (TB), a deadly infectious disease with rising drug resistance. This review highlights novel compounds targeting multiple pathways in Mycobacterium tuberculosis.

Keywords:
Anti tuberculosis drugsInhibitionMulti-target drugsMycobacterium tuberculosisTargetingTuberculosis.

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Area of Science:

  • Microbiology
  • Medicinal Chemistry
  • Drug Discovery

Background:

  • Tuberculosis (TB) remains a global health threat with high mortality rates.
  • Increasing resistance to first- and second-line anti-TB drugs necessitates novel therapeutic strategies.
  • Mycobacterium tuberculosis poses a significant challenge due to its complex biology and resistance mechanisms.

Purpose of the Study:

  • To review the discovery of novel chemical entities with potential anti-TB activity.
  • To identify compounds capable of simultaneously targeting multiple essential pathways in Mycobacterium tuberculosis.
  • To broaden therapeutic options for drug-resistant tuberculosis.

Main Methods:

  • Literature review of recent studies on anti-TB drug discovery.
  • Analysis of chemical compounds reported to have activity against Mycobacterium tuberculosis.
  • Evaluation of compounds targeting single or multiple cellular components of the bacteria.

Main Results:

  • Identification of three distinct classes of chemical compounds with promising anti-TB activities.
  • Demonstration that these compounds can interact with more than one molecular target within Mycobacterium tuberculosis.
  • Highlighting the potential for multi-target-directed ligands in TB therapy.

Conclusions:

  • The identified compound classes represent promising leads for developing new anti-TB drugs.
  • Simultaneous targeting of multiple pathways offers a potential strategy to overcome drug resistance.
  • Further research into these compounds could lead to effective new treatments for tuberculosis.