Related Experiment Video

Updated: Jul 14, 2026

Optimized Protocols for Mycobacterium leprae Strain Management: Frozen Stock Preservation and Maintenance in Athymic Nude Mice
10:32

Optimized Protocols for Mycobacterium leprae Strain Management: Frozen Stock Preservation and Maintenance in Athymic Nude Mice

Published on: March 23, 2014

[Leprosy, a neurologic disease]

Alessandra Coeytaux1, André Truffert, Yolanda Mueller

  • 1Service de Neurologie, Policlinique de Neurologie, Département de médecine communitaire et de premier recours, HUG, 1211 Genève 14. alessandra.coeytaux@hcuge.ch

Revue Medicale Suisse
|June 15, 2007
PubMed

Insights

Leprosy, a chronic infectious disease caused by Mycobacterium leprae, affects skin and nerves. Early diagnosis and treatment are crucial to prevent nerve damage, especially from leprosy reactions.

Area of Science:

  • Infectious Diseases
  • Neurology
  • Immunology

Context:

  • Leprosy, caused by Mycobacterium leprae, is a treatable chronic infectious disease primarily affecting skin and peripheral nerves.
  • While rare in Western countries, it is encountered in travelers returning from endemic regions.
  • Neglected tropical disease with significant global health implications.

Purpose:

  • To outline the diagnostic criteria for leprosy.
  • To explain the role of cellular immune response in disease manifestation and neurological impairment.
  • To emphasize the importance of timely diagnosis and treatment, particularly for leprosy reactions.

Summary:

  • Diagnostic indicators include sensory loss in underpigmented skin patches, peripheral nerve thickening, and identification of acid-fast bacilli via smears or biopsy.
  • The spectrum of leprosy, from tuberculoid to lepromatous forms, is dictated by the host's cellular immune response, influencing disease presentation and neurological damage.
  • Leprosy reactions, a significant neurological complication, can exacerbate nerve damage and hinder recovery if treatment is delayed.

Impact:

  • Highlights the need for increased awareness and diagnostic vigilance for leprosy, especially in non-endemic areas.
  • Underscores the critical link between immune response, disease classification, and neurological outcomes in leprosy patients.
  • Stresses the urgency of prompt and accurate diagnosis to guide appropriate treatment and prevent irreversible nerve damage and disability.

More Related Videos

ALS - Motor Neuron Disease: Mechanism and Development of New Therapies15:48

ALS - Motor Neuron Disease: Mechanism and Development of New Therapies

Published on: July 29, 2007

Listeria monocytogenes Infection of the Brain05:02

Listeria monocytogenes Infection of the Brain

Published on: October 2, 2018

Related Concept Videos

Leishmaniasis01:30

Leishmaniasis

Leishmaniasis is a protozoal disease caused by species of the genus Leishmania and transmitted through the bite of infected female sandflies. The parasite exists in two principal morphological forms during its life cycle. A sandfly acquires intracellular amastigotes from an infected reservoir host, such as a dog. Within the sandfly, these forms differentiate into motile, flagellated promastigotes. During a subsequent blood meal, promastigotes are injected into the human host, where they...
Disorders of the Nervous Tissue01:28

Disorders of the Nervous Tissue

Nervous tissue is a vital component of the human body's communication system, enabling us to perceive and respond to stimuli. However, like all other tissues, it is vulnerable to disorders and diseases that can significantly impact our neurological functioning.
Homeostatic Imbalances:
Alzheimer's disease manifests as a gradual decline in memory and cognitive abilities, attributed to the buildup of amyloid plaques and neurofibrillary tangles in the brain.
Parkinson's disease arises from the...
Multiple Sclerosis l: Introduction01:19

Multiple Sclerosis l: Introduction

Multiple sclerosis is a chronic autoimmune disease of the central nervous system (CNS) that affects the brain, spinal cord, and optic nerves. It is an inflammatory demyelinating disorder and a leading cause of neurological disability in young adults.EpidemiologyMS commonly begins between 20 and 40 years of age and is twice as common in women. Its exact cause remains unclear, but genetic susceptibility contributes, with higher risk in first-degree relatives and identical twins. A greater...
Rabies01:28

Rabies

Rabies is a lethal zoonotic disease caused by a single-stranded, negative-sense RNA virus of the Lyssavirus genus, within the family Rhabdoviridae. Its primary mode of transmission to humans is through bites or saliva-contaminated scratches from infected mammals such as dogs, bats, raccoons, or foxes. Transmission can also occur if infectious saliva contacts abraded skin or intact mucous membranes, including the conjunctiva.Viral Entry and Early ReplicationOnce introduced at the bite or scratch...
Neural Regulation01:37

Neural Regulation

Digestion begins with a cephalic phase that prepares the digestive system to receive food. When our brain processes visual or olfactory information about food, it triggers impulses in the cranial nerves innervating the salivary glands and stomach to prepare for food.
Encephalitis l: Introduction01:19

Encephalitis l: Introduction

Encephalitis is inflammation of the brain parenchyma, most often due to infections or autoimmune processes. It presents with neuropsychiatric features such as fever, altered mental status, behavioral changes, cognitive dysfunction, seizures, focal deficits, and sometimes autonomic instability. In some cases, the meninges are also involved, resulting in meningoencephalitis.Infectious CausesInfectious encephalitis is most commonly viral but can also result from bacterial, fungal, or parasitic...