Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Diffusion01:12

Diffusion

218.5K
Diffusion is the passive movement of substances down their concentration gradients—requiring no expenditure of cellular energy. Substances, such as molecules or ions, diffuse from an area of high concentration to an area of low concentration in the cytosol or across membranes. Eventually, the concentration will even out, with the substance moving randomly but causing no net change in concentration. Such a state is called dynamic equilibrium, which is essential for maintaining overall...
218.5K
Diffusion01:21

Diffusion

6.4K
Diffusion is a type of passive transport. In passive transport, a substance tends to move from an area of high concentration to an area of low concentration until the concentration is equal across the space. For example, take the diffusion of substances through the air. When someone opens a perfume bottle in a room filled with people, the perfume is at its highest concentration in the bottle and is at its lowest at the edges of the room. The perfume vapor will diffuse, or spread away, from the...
6.4K
Alveoli and Alveolar Ducts01:26

Alveoli and Alveolar Ducts

5.8K
The respiratory zone of the human body, which stands in contrast to the conducting zone, comprises the structures that actively participate in the exchange of gases. The initiation of this zone is marked by the terminal bronchioles converging into respiratory bronchioles, the tiniest bronchiole classification. The respiratory bronchioles give way to the alveolar ducts that opens into a congregation of alveoli. Actively involved in gas exchange, alveoli resemble tiny sacs similar to clusters of...
5.8K
Facilitated Diffusion01:16

Facilitated Diffusion

1.3K
The plasma membrane, a critical structure in cellular biology, houses an array of transporters, or carrier proteins, interspersed within its lipid bilayer. These proteins play a crucial role in solute transport through facilitated diffusion, a form of passive diffusion that uses transporters to move the molecules across the membrane.
In this process, substrates such as organic compounds and ions interact with a transporter on one side, triggering conformational changes in proteins that enable...
1.3K
Protein Diffusion in the Membrane01:24

Protein Diffusion in the Membrane

5.6K
Proteins show rotational as well as lateral diffusion across the membrane. The lateral diffusion of proteins was confirmed through the cell fusion experiment where mouse and human cells were fused, resulting in hybrid cells. When the human and mouse cells fused, the specific membrane proteins on human and mouse cells were marked with the red and green-fluorescent markers, respectively. Initially, the red and green fluorescence was located on the respective hemisphere of the cell. As time...
5.6K
Behavior of Gas Molecules: Molecular Diffusion, Mean Free Path, and Effusion03:48

Behavior of Gas Molecules: Molecular Diffusion, Mean Free Path, and Effusion

31.3K
Although gaseous molecules travel at tremendous speeds (hundreds of meters per second), they collide with other gaseous molecules and travel in many different directions before reaching the desired target. At room temperature, a gaseous molecule will experience billions of collisions per second. The mean free path is the average distance a molecule travels between collisions. The mean free path increases with decreasing pressure; in general, the mean free path for a gaseous molecule will be...
31.3K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Development and validation of an algorithm for identifying patients undergoing dialysis from patients with advanced chronic kidney disease.

Clinical and experimental nephrology·2025
Same author

Factors associated with awareness of chronic kidney disease, and impact of awareness on renal prognosis.

Clinical and experimental nephrology·2024
Same author

Lateral olfactory tract usher substance (LOTUS), an endogenous Nogo receptor antagonist, ameliorates disease progression in amyotrophic lateral sclerosis model mice.

Cell death discovery·2023
Same author

Metabolomic analysis of serum samples from a clinical study on ipragliflozin and metformin treatment in Japanese patients with type 2 diabetes: Exploring human metabolites associated with visceral fat reduction.

Pharmacotherapy·2023
Same author

Dual functions of discoidinolysin, a cholesterol-dependent cytolysin with N-terminal discoidin domain produced from <i>Streptococcus mitis</i> strain Nm-76.

Journal of oral microbiology·2022
Same author

Pulmonary actinomycosis mimicking lung cancer on <sup>18</sup>F-fluorodeoxyglucose positron emission tomography: a case report.

Journal of medical case reports·2022

Related Experiment Video

Updated: Jan 31, 2026

Author Spotlight: Investigating the Potential of Chinese Herbal Medicinal Active Dioscin in Treating IgA Nephropathy
14:18

Author Spotlight: Investigating the Potential of Chinese Herbal Medicinal Active Dioscin in Treating IgA Nephropathy

Published on: October 13, 2023

1.8K

IgA nephropathy with diffuse alveolar haemorrhage.

Shinichi Miyazaki1, Akiko Hattori2, Yasumasa Kuno1

  • 1Department of Pulmonary Medicine, Yokkaichi Municipal Hospital, Yokkaichi, Japan.

BMJ Case Reports
|December 24, 2018
PubMed
Summary

Immunoglobulin A (IgA) nephropathy, a kidney disease, rarely causes lung issues. This case shows IgA nephropathy can manifest as pulmonary renal syndrome, responding well to prednisone treatment.

Keywords:
acute renal failurerespiratory medicine

More Related Videos

Recognition of Epidermal Transglutaminase by IgA and Tissue Transglutaminase 2 Antibodies in a Rare Case of Rhesus Dermatitis
10:27

Recognition of Epidermal Transglutaminase by IgA and Tissue Transglutaminase 2 Antibodies in a Rare Case of Rhesus Dermatitis

Published on: December 15, 2011

25.0K
Isolation and In Vitro Culture of Murine and Human Alveolar Macrophages
09:09

Isolation and In Vitro Culture of Murine and Human Alveolar Macrophages

Published on: April 20, 2018

25.3K

Related Experiment Videos

Last Updated: Jan 31, 2026

Author Spotlight: Investigating the Potential of Chinese Herbal Medicinal Active Dioscin in Treating IgA Nephropathy
14:18

Author Spotlight: Investigating the Potential of Chinese Herbal Medicinal Active Dioscin in Treating IgA Nephropathy

Published on: October 13, 2023

1.8K
Recognition of Epidermal Transglutaminase by IgA and Tissue Transglutaminase 2 Antibodies in a Rare Case of Rhesus Dermatitis
10:27

Recognition of Epidermal Transglutaminase by IgA and Tissue Transglutaminase 2 Antibodies in a Rare Case of Rhesus Dermatitis

Published on: December 15, 2011

25.0K
Isolation and In Vitro Culture of Murine and Human Alveolar Macrophages
09:09

Isolation and In Vitro Culture of Murine and Human Alveolar Macrophages

Published on: April 20, 2018

25.3K

Area of Science:

  • Nephrology
  • Pulmonology
  • Internal Medicine

Background:

  • Immunoglobulin A (IgA) nephropathy is the leading cause of primary glomerulonephritis globally.
  • Pulmonary complications are infrequently reported in patients with IgA nephropathy.

Observation:

  • A 58-year-old male presented with fever and dyspnea.
  • Chest imaging showed bilateral upper lung consolidation.
  • Bronchoscopy revealed diffuse alveolar hemorrhage.

Findings:

  • Laboratory tests indicated renal impairment with proteinuria and hematuria.
  • Renal biopsy confirmed IgA nephropathy.
  • The patient responded favorably to prednisone therapy.

Implications:

  • This case underscores the importance of considering IgA nephropathy in the differential diagnosis of pulmonary renal syndrome.
  • Early recognition and treatment can lead to positive patient outcomes.
  • Highlights the systemic nature of IgA nephropathy beyond renal involvement.