Related Experiment Video
Updated: Mar 28, 2026
06:17
Author Spotlight: Investigating the Effects of Mind-Body-Movement Practices on Brain Function
Published on: January 26, 2024
2.8K
The adventure of delta
1Department of Medical Sciences, University of Torino, Torino, 10126, Italy.
Summary
Hepatitis D virus (HDV) is a unique, severe liver pathogen requiring hepatitis B virus (HBV) for replication. While HBV vaccination reduced HDV, it
Area of Science:
- Virology
- Hepatology
- Infectious Diseases
Background:
- Hepatitis D virus (HDV) is the smallest human virus with a circular RNA genome.
- HDV requires the hepatitis B surface antigen (HBsAg) for assembly, making it dependent on hepatitis B virus (HBV).
- HDV infection represents the most severe form of chronic viral liver disease.
Purpose of the Study:
- To provide a comprehensive overview of HDV's unique characteristics and global prevalence.
- To discuss the impact of HDV on public health, particularly in endemic regions.
- To highlight challenges in HDV treatment and emerging therapeutic strategies.
Main Methods:
- Review of existing literature on HDV virology, epidemiology, and clinical impact.
- Analysis of global prevalence data, noting regional variations.
- Discussion of current treatment limitations and future research directions.
Main Results:
- HDV exhibits unique biological features, including its reliance on HBV and a rolling circle replication mechanism.
- Global prevalence varies, with significant impact in areas with uncontrolled HBV; recent resurgence in Western Europe via immigration.
- Peg-Interferon is the primary treatment, but new strategies targeting viral entry and assembly are under investigation.
Conclusions:
- HDV remains a significant global health concern due to its severity and unique dependence on HBV.
- Effective HBV vaccination has reduced HDV incidence in some regions, but immigration is driving its return to Western Europe.
- Novel therapeutic approaches are crucial for combating HDV, given the lack of direct antiviral targets and limitations of current treatments.
More Related Videos
06:28A Networked Desktop Virtual Reality Setup for Decision Science and Navigation Experiments with Multiple Participants
Published on: August 26, 2018
6.4K
09:15Displacement Analysis of Myocardial Mechanical Deformation DIAMOND Reveals Segmental Heterogeneity of Cardiac Function in Embryonic Zebrafish
Published on: February 6, 2020
5.5K
Related Concept Videos
01:26Escape Velocity
8.7K
The escape velocity of an object is defined as the minimum initial velocity that it requires to escape the surface of another object to which it is gravitationally bound and never to return. For example, what would be the minimum velocity at which a satellite should be launched from the Earth's surface such that it just escapes the Earth's gravitational field?
To calculate the escape velocity, it is assumed that no energy is lost to any frictional forces. In practice, a satellite...
To calculate the escape velocity, it is assumed that no energy is lost to any frictional forces. In practice, a satellite...
8.7K
01:12Adjusting a Traverse
433
In the site survey of a four-sided traverse, internal angles are essential to ensure geometric accuracy. The survey revealed that the sum of the measured internal angles was 359 degrees and 48 minutes, which is 12 minutes less than the expected 360 degrees. This discrepancy signals an error likely arising from measurement inaccuracies during the fieldwork.To rectify this error, the adjustment process involved distributing the 12-minute shortfall equally across the four internal angles. By...
433
04:49Robbers Cave
15.1K
During the 1950s, the landmark Robbers Cave experiment demonstrated that when groups must compete with one another, intergroup conflict, hostility, and even violence may result. At the Oklahoman summer camp, two troops of boys—termed the Rattlers and the Eagles—took part in a week-long tournament. During this time, their negativity culminated in derogatory name-calling, fistfights, and even vandalism and destruction of property. However, this work also revealed that such tension...
15.1K
01:27Emerging Adulthood
980
Jeffrey Arnett's concept of emerging adulthood offers a framework to understand the unique developmental stage between adolescence and full-fledged adulthood, generally from ages 18 to 25. This period is marked by extensive exploration and shifts in identity, relationships, and career choices, a process known in psychology as role experimentation. Emerging adulthood reflects the evolving cultural expectations surrounding adulthood and the dynamic process of personal transformation during...
980
01:25Rab Cascades
3.7K
Rab GTPases act in a regulated cascade during membrane fusion, helping the lipid bilayers mix. The Rab family of proteins are active when bound to GTP, and inactive when bound to GDP. Hence, they act as guanine nucleotide-dependent molecular switches. Rab-GTP recognizes and binds to long or short-range tethering proteins to capture the target vesicle. These tethers coordinate with SNAREs on the vesicle and the target membrane to assemble the trans SNARE complex that locks the mixing bilayers.
3.7K
01:13Amnesia
801
Amnesia is a condition marked by long-term memory loss, which impairs the ability to recall past events or create new memories.
The severity and duration of memory loss vary depending on the type and underlying cause. Amnesia is classified into two main types: retrograde and anterograde.
Retrograde amnesia is marked by the loss of memories formed before the onset of the condition. Patients may recall distant past events but often forget those occurring shortly before the incident.
Anterograde...
The severity and duration of memory loss vary depending on the type and underlying cause. Amnesia is classified into two main types: retrograde and anterograde.
Retrograde amnesia is marked by the loss of memories formed before the onset of the condition. Patients may recall distant past events but often forget those occurring shortly before the incident.
Anterograde...
801