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Microsporidia are a group of obligate intracellular fungi that were initially classified as protists but were later reclassified based on phylogenetic, molecular, and structural evidence linking them to the Chytridiomycota. These unicellular, non-motile organisms are highly specialized parasites that infect a wide range of animal hosts, including humans. They have evolved extensive genomic and metabolic reductions, making them highly dependent on their hosts for survival.Morphology and Genomic...
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Excavata is a diverse group of protists that includes both chemoorganotrophic and phototrophic species, with some thriving in anaerobic environments. Among the key groups within Excavata are diplomonads and parabasalids, which are flagellated protists that lack mitochondria and chloroplasts. These microorganisms typically inhabit anoxic environments, such as the intestines of animals, where they exist either symbiotically or as parasites, relying on fermentation for energy production. Some...
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Alveolates are a group of organisms recognized by the presence of alveoli, which are cytoplasmic sacs located beneath the cell membrane. While their function remains uncertain, alveoli may help regulate water balance by controlling how much water enters and leaves the cell. In dinoflagellates, these structures may serve as armor plates. There are three major types of alveolates: ciliates, which move using cilia; dinoflagellates, which use flagella for movement; and apicomplexans, which are...
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Protists are diverse eukaryotic microorganisms that lack the specialized tissues of plants and animals and the chitinous cell walls of fungi. Their early divergence within Eukarya resulted in structural, functional, and ecological diversity. They are classified into supergroups such as Archaeplastida, Excavata, Amoebozoa, Rhizaria, Alveolata, and Stramenopiles, determined through genetic analysis and structural similarities.Structural and Functional AdaptationsProtists have various adaptations...
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Sexually transmitted infections (STIs) are diseases transmitted primarily through unsafe sexual interactions. Bacteria, viruses, or parasites cause them and can result in severe health complications if untreated.ChlamydiaThe bacterium Chlamydia trachomatis is responsible for the disease Chlamydia, the most common STI in the United States. This peculiar pathogen requires human cells to reproduce, residing intracellularly. The initial infection often goes unnoticed because it typically does not...
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When a pathogen enters the body and reproduces, it can cause an infection, damage body cells, and cause illness symptoms that eventually lead to disease. Therefore, its prevention requires breaking the chain of infection.
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Intestinal Parasitic Infections in 2023.

Monjur Ahmed1

  • 1Division of Gastroenterology, Department of Medicine, Thomas Jefferson University, Philadelphia, PA 19107, USA.

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This summary is machine-generated.

Intestinal parasitic infections (IPIs) affect over a billion people globally, impacting both developing and developed nations. Diagnosis relies on stool tests, with treatment using anti-parasitic agents and prevention being key for control.

Keywords:
Intestinal helminthsIntestinal protozoal infectionsLife cycles of intestinal parasitesParasites of the gutTreatment options of intestinal parasites

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Area of Science:

  • Medical Parasitology
  • Global Health
  • Infectious Diseases

Background:

  • Intestinal parasitic infections (IPIs) represent a significant global health challenge, affecting over one billion individuals worldwide.
  • While prevalent in developing regions, IPIs are also observed in developed countries, especially among immunocompromised populations.
  • Clinical manifestations range from gastrointestinal distress and nutritional deficiencies to anemia and anal itching.

Purpose of the Study:

  • To provide a comprehensive overview of intestinal parasites, including protozoa and helminths.
  • To highlight the global health impact and varied clinical presentations of IPIs.
  • To emphasize diagnostic methods, treatment strategies, and the importance of preventive measures.

Main Methods:

  • Review of existing literature on intestinal protozoa and helminths.
  • Analysis of common transmission modes and life cycles of intestinal parasites.
  • Discussion of diagnostic approaches, primarily stool testing.
  • Overview of current anti-parasitic treatments and preventive strategies.

Main Results:

  • Intestinal parasites encompass both protozoa and helminths, causing widespread infections.
  • Patients present with diverse symptoms including diarrhea, abdominal pain, and anemia.
  • Stool tests are the primary diagnostic tool for identifying IPIs.

Conclusions:

  • Effective control of IPIs requires a multi-faceted approach.
  • Prompt diagnosis via stool tests and appropriate anti-parasitic treatment are crucial.
  • Implementing robust preventive measures is essential for long-term management and reduction of IPIs globally.