Stable Virgins
Stable Virgins - Related Videos
12:09
Generation of Stable Transgenic C. elegans Using Microinjection
0 Views •
Cited by 93 •
2008
This video demonstrates the technique of microinjection into the gonad of C. elegans to create transgenic animals.
12:59
A System to Create Stable Nanoparticle Aerosols from Nanopowders
0 Views •
Cited by 4 •
2016
We designed and developed an effective nanopowder aerosolization setup and operating protocol. The system generated nanoparticle aerosols with stable number concentrations and size distributions for long durations, requiring only small quantities of test material (min. 200 mg).
01:24
The Seemingly Stable Trade‐Off
0 Views •
2026
The short-run Phillips curve shows the relationship between the inflation rate and the unemployment rate.During the 1960s, economists observed that this relationship seemed to hold consistently. When unemployment was low, inflation tended to be high, and when unemployment was high, inflation tended to be low.Policymakers at the time interpreted this relationship as a necessary trade-off between unemployment and inflation. They thought they could reduce unemployment only by allowing higher...
14:57
DNA Stable-Isotope Probing (DNA-SIP)
0 Views •
Cited by 70 •
2010
DNA stable-isotope probing is a cultivation-independent method to identify and characterize active communities of microorganisms that are capable of utilizing specific substrates. Assimilation of substrate enriched in heavy isotope leads to incorporation of labelled atoms into microbial biomass. Density gradient ultracentrifugation retrieves labelled DNA for downstream molecular analyses.
12:38
Use of Immunolabeling to Analyze Stable, Dynamic, and Nascent Microtubules in the Zebrafish Embryo
0 Views •
Cited by 1 •
2017
Immunolabeling methods to analyze distinct populations of microtubules in the developing zebrafish brain are described here, which are broadly applicable to other tissues. The first protocol outlines an optimized method for immunolabeling stable and dynamic microtubules. The second protocol provides a method to image and quantify nascent microtubules specifically.
FAQs
Stable virgins help investigators identify whether a neural or behavioral difference is associated with reproductive endocrine exposure. Comparisons with pregnant or postpartum animals can reveal effects linked to gestation, parturition, or lactation, while comparisons with maternally experienced animals also address experience-dependent change. This separation is important when interpreting altered neuroendocrine regulation, maternal behavior, stress responses, motivation, or neural plasticity.
Reproductive history can act as a control variable because pregnancy and maternal experience introduce distinct biological conditions. Holding that history consistent gives researchers a clearer baseline against which to evaluate animals exposed to gestation, birth, lactation, or maternal experience. The design therefore helps distinguish effects associated with reproductive state from broader sex-related biological characteristics.
The comparison can indicate whether observed plasticity is linked primarily to maternal experience rather than to female sex-related biology alone. Stable virgins provide a reference lacking the experience associated with pregnancy and motherhood, whereas maternally experienced animals contribute that history to the comparison. This distinction supports more precise interpretation of changes in neural circuits and behavior.
Researchers select adult female laboratory animals with no pregnancy or maternal experience and a consistent reproductive history. They can then compare neural or behavioral responses with those from pregnant, postpartum, or maternally experienced animals. Keeping the reproductive background defined is the key procedural feature, because it establishes a reference condition for studies examining endocrine, behavioral, and circuit-level differences.
They are particularly useful when a study examines neuroendocrine regulation, maternal behavior, stress, motivation, or plasticity in neural circuits. In each case, the model supplies a comparison condition for animals that have undergone pregnancy, postpartum changes, or maternal experience. That arrangement helps researchers ask whether a measured neural or behavioral outcome tracks reproductive hormones, maternal experience, or both.
These experiments provide comparative information rather than a standalone measure of reproductive effects. Differences between stable virgins and pregnant, postpartum, or maternally experienced animals can show how reproductive hormones and maternal experience relate to neural and behavioral responses. The resulting comparisons are useful for interpreting baseline sex-related biology alongside state-dependent changes in stress, motivation, maternal behavior, and neural plasticity.