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

Frequency-dependent Selection01:21

Frequency-dependent Selection

24.2K
When the fitness of a trait is influenced by how common it is (i.e., its frequency) relative to different traits within a population, this is referred to as frequency-dependent selection. Frequency-dependent selection may occur between species or within a single species. This type of selection can either be positive—with more common phenotypes having higher fitness—or negative, with rarer phenotypes conferring increased fitness.
24.2K
Contact-dependent Signaling01:19

Contact-dependent Signaling

47.6K
Contact-dependent signaling, as the name suggests, requires that communicating cells be in direct contact with each other. This is achieved either through receptor-ligand interactions or by specialized cytoplasmic channels that allow the flow of small molecules between cells. In animal cells, channels called gap junctions facilitate contact-dependent signaling in certain tissues, whereas, plasmodesmata perform a similar function in plants.
Gap Junctions
In animal cells, gap junctions are formed...
47.6K
Stages of Infection01:26

Stages of Infection

65.4K
Stages of infection describe what happens to a susceptible host once a pathogen invades the human body. The stages of infection are incubation, prodromal, illness, stage of decline, and convalescence. The incubation stage is the period from exposure to a pathogen until symptoms start. The infected person is unaware of impending illness as the pathogens grow and multiply within the body. The duration may vary depending on the type of infection. The incubation period of measles averages ten to...
65.4K
Drug Dependence01:17

Drug Dependence

1.7K
Medications are typically administered to achieve therapeutic effects. Some drugs can modify an individual's mood and perception, frequently resulting in various enjoyable experiences. However, this can result in drug dependency, a condition marked by continuous drug use despite potential negative consequences. Drug dependency primarily falls into two categories: psychological and physical dependence. Psychological dependence occurs when the pleasurable feelings induced by the drug...
1.7K
Stages of Sleep01:22

Stages of Sleep

1.5K
Sleep progresses through distinct stages, each characterized by specific brain wave patterns and physiological responses ranging from wakefulness to stages of non-rapid eye movement, known as non-REM, to rapid eye movement, referred to as REM. Understanding these stages helps in recognizing how sleep supports various bodily and cognitive functions.
Before sleep begins, in wakefulness, the brain exhibits primarily beta waves, which are high in frequency and low in amplitude, indicating alertness...
1.5K
Stages of General Anesthesia01:22

Stages of General Anesthesia

1.8K
Various sedation levels offer significant advantages in facilitating procedural interventions for patients undergoing medical or invasive surgical procedures. These levels span from anxiolysis to general anesthesia, providing a spectrum of sedative effects to cater to specific patient needs. Anxiolysis reduces anxiety and is achieved through minimal sedation, enabling patients to remain awake and responsive while feeling more at ease during the procedure. This level can benefit minor...
1.8K

You might also read

Related Articles

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

Sort by
Same author

Standardised ileal digestibility of amino acids and apparent metabolisable energy contents of cereal ingredients fed to broiler chickens as affected by growth period and energy evaluation method.

British poultry science·2026
Same author

Facial erythema in patients with atopic dermatitis treated with Dupilumab - a descriptive study of morphology and Aetiology.

Journal of the European Academy of Dermatology and Venereology : JEADV·2022
Same author

Association between air pollution and chronic rhinosinusitis: a nested case-control study using meteorological data and national health screening cohort data.

Rhinology·2021
Same author

Mask-induced dermatoses during the COVID-19 pandemic: a questionnaire-based study in 12 Korean hospitals.

Clinical and experimental dermatology·2021
Same author

[Prognostic value of new TNM staging and serum CA125 in malignant peritoneal mesothelioma].

Zhonghua lao dong wei sheng zhi ye bing za zhi = Zhonghua laodong weisheng zhiyebing zazhi = Chinese journal of industrial hygiene and occupational diseases·2020
Same author

Prognostic gene expression signature for high-grade serous ovarian cancer.

Annals of oncology : official journal of the European Society for Medical Oncology·2020

Related Experiment Video

Updated: Feb 10, 2026

Author Spotlight: Establishing Germ-Free Zebrafish for Microbiota-Host Relationship Studies
05:38

Author Spotlight: Establishing Germ-Free Zebrafish for Microbiota-Host Relationship Studies

Published on: April 12, 2024

2.3K

Stage-dependent DAZL localization in stallion germ cells.

H J Jung1, H Song2, M J Yoon3

  • 1Department of Animal and Biotechnology Science, College of Animal Science, Kyungpook National University, Sangju 742-711, Republic of Korea.

Animal Reproduction Science
|April 22, 2014
PubMed
Summary

Deleted in azoospermia-like (DAZL) marks pre-meiotic germ cells in stallions. DAZL expression in stallion testes varies with reproductive stage, identifying spermatogonia and primary spermatocytes.

Keywords:
DAZLGerm cellsSpermatogonial stem cellsStallionTestis

More Related Videos

Author Spotlight: PGC Cryopreservation – An Alternative Approach Towards Long-Term Preservation of Drosophila Strains
06:22

Author Spotlight: PGC Cryopreservation – An Alternative Approach Towards Long-Term Preservation of Drosophila Strains

Published on: December 1, 2023

3.1K
Germ Cell Transplantation and Testis Tissue Xenografting in Mice
10:41

Germ Cell Transplantation and Testis Tissue Xenografting in Mice

Published on: February 6, 2012

30.5K

Related Experiment Videos

Last Updated: Feb 10, 2026

Author Spotlight: Establishing Germ-Free Zebrafish for Microbiota-Host Relationship Studies
05:38

Author Spotlight: Establishing Germ-Free Zebrafish for Microbiota-Host Relationship Studies

Published on: April 12, 2024

2.3K
Author Spotlight: PGC Cryopreservation – An Alternative Approach Towards Long-Term Preservation of Drosophila Strains
06:22

Author Spotlight: PGC Cryopreservation – An Alternative Approach Towards Long-Term Preservation of Drosophila Strains

Published on: December 1, 2023

3.1K
Germ Cell Transplantation and Testis Tissue Xenografting in Mice
10:41

Germ Cell Transplantation and Testis Tissue Xenografting in Mice

Published on: February 6, 2012

30.5K

Area of Science:

  • Reproductive Biology
  • Cell Biology
  • Animal Science

Background:

  • Deleted in azoospermia-like (DAZL) is a known germ cell marker across various species.
  • Investigating DAZL expression in stallions is crucial for understanding equine germ cell development and reproductive health.

Purpose of the Study:

  • To investigate DAZL expression in stallion germ cells using immunofluorescence, immunocytochemistry, and western blotting.
  • To determine the impact of reproductive stage and breeding season on the DAZL-positive cell population within stallion seminiferous tubules.

Main Methods:

  • Testes samples were collected from stallions of varying reproductive stages (pre-pubertal to adult).
  • Immunofluorescence and immunocytochemistry were employed to localize DAZL protein.
  • Western blotting was used to detect DAZL protein presence.

Main Results:

  • DAZL was localized to the cytoplasm of spermatogonia and primary spermatocytes in stallion testes.
  • DAZL expression patterns varied with reproductive stage, primarily observed in cells near the basement membrane in adult stallions.
  • DAZL protein was not detected in somatic cells (Leydig, Sertoli, myoid) or later germ cell stages (secondary spermatocytes, spermatids, spermatozoa).

Conclusions:

  • DAZL serves as a reliable marker for pre-meiotic germ cells (spermatogonia and primary spermatocytes) in stallions.
  • The study provides foundational data on DAZL expression in equine germ cells, relevant for reproductive research.