Synonym |
(Des-Gly10,D-Ala6,Pro-NHEt9)-LHRH (salmon) |
Species |
Salmon |
Protein Accession |
Not available |
Purity |
95% |
Endotoxin Level |
<1.0 EU per µg |
Biological Activity |
Not determined |
Expression System |
Chemical synthesis |
Fusion Tag |
None |
Predicted Molecular Mass |
1371.6 Da |
Formulation |
Lyophilized from a 0.1 µm filtered solution in 30% acetonitrile and 0.1% TFA |
Reconstitution |
Centrifuge vial before opening. Reconstitute in sterile PBS, pH 7.4 to a concentration of
0.1-1.0 mg/mL. |
Storage & Stability |
Store at -20°C. After reconstitution, store at -20°C or below. Stable for 3 months at -20°C.
|
FAQ
What is (Des-Gly10,D-Ala6,Pro-NHEt9)-LHRH (salmon) and how does it
work?
(Des-Gly10,D-Ala6,Pro-NHEt9)-LHRH (salmon) is a synthetic analog of the naturally occurring
Luteinizing Hormone-Releasing Hormone (LHRH), also known as Gonadotropin-Releasing Hormone (GnRH). This
particular analog has been modified to enhance its stability and potency, making it a more effective
tool in various applications, particularly in aquaculture and research. The primary function of LHRH in
the body is to stimulate the pituitary gland to release luteinizing hormone (LH) and
follicle-stimulating hormone (FSH), which in turn regulate the reproductive processes. In the context of
salmon, this compound is used to induce or synchronize spawning, which can be particularly beneficial in
breeding programs. This analog works by binding to the GnRH receptors more effectively than the natural
hormone, thereby producing a stronger biological response. By altering positions 6 and 9 in the peptide
chain, with D-alanine and Pro-NHEt respectively, the analog becomes less susceptible to metabolic
degradation, ensuring that it remains active for a longer period once administered. Additionally, the
removal of Gly10 helps in reducing enzymatic breakdown. This stability is essential not only for
increasing its shelf life but also for ensuring that it maintains its efficacy throughout the process.
Understanding these biochemical properties is crucial for implementing effective breeding strategies in
aquaculture, improving yield, and ensuring sustainability. Moreover, in research contexts, this compound
assists scientists in exploring hormonal pathways and reproductive biology in a controlled setting,
providing insights into both fundamental and applied sciences. The balance of potency, stability, and
activity of (Des-Gly10,D-Ala6,Pro-NHEt9)-LHRH (salmon) highlights its importance in these fields,
underscoring its value not just as a biological tool, but also as a means to potentially catalyst
advancements in understanding reproductive health and technology.
What are the benefits of using
(Des-Gly10,D-Ala6,Pro-NHEt9)-LHRH (salmon) in aquaculture?
Utilizing
(Des-Gly10,D-Ala6,Pro-NHEt9)-LHRH (salmon) in aquaculture presents numerous benefits, particularly in
enhancing fish breeding efficiency and increasing production sustainability. One significant benefit is
its ability to induce and synchronize spawning in fish. By precisely managing the timing of
reproduction, producers can ensure that eggs and milt are available simultaneously, which is crucial for
artificial fertilization processes. This synchronization optimizes hatchery operations and can lead to
higher survival rates of fertilized eggs, thus contributing to an increased number of viable offspring.
Another advantage is the aforementioned stability and potency of this analog compared to natural LHRH.
It remains active for longer periods and is more resistant to degradation. This ensures consistent
performance once administered, reducing the need for repeated applications, which can be both
time-consuming and costly. Furthermore, because it is effective at lower doses, there is a minimization
of potential side effects to the fish, ensuring safer and healthier breeding cycles. The use of this
analog also supports genetic management and conservation efforts. By facilitating controlled breeding,
it allows for the preservation and propagation of specific genetic lines, an essential component in
conservation programs aimed at maintaining biodiversity and protecting endangered species. In commercial
operations, this ensures the production of consistent and high-quality stock, meeting consumer demand
while adhering to species conservation standards. Economically, the optimized reproductive performance
achieved through the use of (Des-Gly10,D-Ala6,Pro-NHEt9)-LHRH (salmon) can lead to a reduction in
operational costs and an increase in profit margins due to more efficient processes and higher yield of
marketable products. These benefits underscore its role not only as a tool for enhancing productivity
but also in advancing sustainable aquaculture practices, which are increasingly vital in meeting global
food security demands.
How should (Des-Gly10,D-Ala6,Pro-NHEt9)-LHRH (salmon) be administered in
aquaculture settings?
Administering (Des-Gly10,D-Ala6,Pro-NHEt9)-LHRH (salmon) in aquaculture
settings involves a precise and well-structured process that ensures effective results and maintains
fish welfare. The method of administration is typically through injection, with the compound being given
intramuscularly or intraperitoneally. This direct method allows the analog to swiftly enter the
bloodstream and reach its target sites, ensuring an expedited physiological response. Before
administration, there are several preparatory steps that need to be considered. First, the dosing must
be accurately calculated, taking into account the species of fish, their size, and the specific
reproductive objectives. Miscalculations can lead to suboptimal outcomes, such as incomplete spawning
synchronization or unnecessary stress on the fish. Weight and condition of the fish, as well as
environmental factors such as water temperature and quality, can influence the effectiveness of the
treatment and should be assessed beforehand. Handling during administration should be carried out with
care to minimize stress and potential harm to the fish. Proper handling techniques are essential; rough
or improper handling can not only negate the benefits of the hormone treatment but also lead to
additional health problems for the fish, affecting overall productivity. Post-injection observations are
equally important. Fish should be monitored for behavioral changes and signs of spawning activity. Since
(Des-Gly10,D-Ala6,Pro-NHEt9)-LHRH (salmon) is particularly potent, the response time can be relatively
quick, with spawning occurring shortly after administration if conditions are optimal. During this
period, maintaining suitable water conditions is crucial, as stressors such as fluctuating temperatures
or poor water quality can impair the breeding process and reduce the effectiveness of the treatment.
Documentation of the administration process, results, and any alterations in protocol for future
reference is recommended for continuous improvement in aquaculture practices. By adhering to these
guidelines, aquaculturists can maximize the benefits of using (Des-Gly10,D-Ala6,Pro-NHEt9)-LHRH
(salmon), enhancing productivity and supporting sustainable aquaculture operations.
Are there any
risks or side effects associated with (Des-Gly10,D-Ala6,Pro-NHEt9)-LHRH (salmon) use in
fish?
While (Des-Gly10,D-Ala6,Pro-NHEt9)-LHRH (salmon) is designed to be a potent and stable
analog for use in aquaculture, understanding the potential risks and side effects is important for
maintaining fish welfare and achieving desired outcomes. Generally, this compound is considered safe
when used as directed, but there are factors that could lead to adverse effects. One of the main risks
involves improper dosing. If the dose is too high, it could potentially lead to overstimulation of the
reproductive system. This overstimulation might not only disrupt the normal hormonal balance of the fish
but also cause physiological stress. Such stress could subsequently lead to other health complications,
including reduced immune function, making fish more susceptible to diseases. Conversely, under-dosing
may result in ineffective treatment, failing to induce the desired spawning effect. Additionally, there
is the risk of physical harm during the administration process. Injection must be performed carefully to
avoid injury to the fish, which could occur if improper techniques are used or if the fish are not
adequately restrained. Injuries from injection can lead to infections or other health issues, so
cleanliness and precision are paramount. Environmental conditions like water temperature, quality, and
overall habitat stress levels can also influence how fish react to the hormone. Suboptimal conditions
can exacerbate stress responses, potentially increasing the chance of side effects, even if the hormone
itself is used correctly. Therefore, aquaculture operators should ensure that environmental parameters
are kept stable and within the optimal range for the species being treated. Finally, although unlikely
if handled properly, there might be species-specific side reactions. Fish can have varied responses
based on their species, age, and genetic background. Therefore, pre-trial assessments or consultations
with aquaculture health professionals can provide insights into possible idiosyncrasies associated with
specific stocks. When using (Des-Gly10,D-Ala6,Pro-NHEt9)-LHRH (salmon), adherence to recommended
practices ensures its efficacy and minimizes risks, contributing to sustainable and responsible
aquaculture management.
How does (Des-Gly10,D-Ala6,Pro-NHEt9)-LHRH (salmon) differ from other
GnRH analogs?
(Des-Gly10,D-Ala6,Pro-NHEt9)-LHRH (salmon) is distinct from other
Gonadotropin-Releasing Hormone (GnRH) analogs due to its specific structural modifications and resulting
functional advantages. These differences are crucial for understanding the applications and benefits of
this compound within aquaculture and research settings. The distinctiveness of
(Des-Gly10,D-Ala6,Pro-NHEt9)-LHRH (salmon) arises primarily from its structural changes at positions 6
and 9 on the peptide chain, where D-alanine (D-Ala) and Pro-NHEt (a modified proline) are incorporated,
respectively. The strategic substitution with D-amino acids, such as D-Alanine at position 6, confers
resistance to enzymatic degradation which typically occurs with natural LHRH. This results in a more
metabolically stable analog that remains active for longer periods after administration, thus requiring
less frequent dosing compared to some natural forms or less modified analogs. The modification at
position 9 with Pro-NHEt enhances the binding affinity to GnRH receptors. This ensures a more robust
activation of the receptors, yielding a stronger physiological response, which can be particularly
beneficial in stimulating reproductive processes. This potency enables it to be effective at lower
doses, minimizing the chance of unwanted side effects and reducing costs associated with treatment. The
removal of the Glycine at position 10 also aids in increasing the analog's resistance to enzymatic
breakdown. The cumulative effect of these modifications results in an analog that not only offers
improved efficacy and stability over other GnRH analogs but also allows for precision in application.
While other GnRH analogs may also offer stability and potency, the specific combination of modifications
in (Des-Gly10,D-Ala6,Pro-NHEt9)-LHRH (salmon) is particularly optimized for aquatic applications. This
makes it highly valuable in aquaculture environments, where consistent and controlled hormonal responses
are desired for breeding and research purposes. By understanding these differences, users can make
informed decisions about employing the most suitable analog for their specific needs, capitalizing on
the unique benefits (Des-Gly10,D-Ala6,Pro-NHEt9)-LHRH (salmon) offers in reproductive management and
other relevant applications.