Synonym |
(Phe2,Orn8)-Oxytocin |
Species |
Human |
Protein Accession |
P01178 |
Purity |
> 95% |
Endotoxin Level |
< 1.0 EU per µg |
Biological Activity |
Stimulates uterine smooth muscle contractions |
Expression System |
Chemical synthesis |
Fusion Tag |
None |
Predicted Molecular Mass |
1012 Da |
Formulation |
Lyophilized |
Reconstitution |
Dissolve in water or aqueous buffer |
Storage & Stability |
Store at -20°C |
FAQ
What is (Phe2, Orn8)-Oxytocin and how does it differ from natural oxytocin?
(Phe2, Orn8)-Oxytocin
is a synthetic analog of oxytocin, a hormone naturally produced in the hypothalamus and released by the
pituitary gland. Oxytocin is commonly associated with social bonding, childbirth, and lactation, earning
it the nickname “the love hormone.” Natural oxytocin plays a key role in enhancing mood, reducing
stress, and encouraging prosocial behaviors such as trust, empathy, and bonding. (Phe2, Orn8)-Oxytocin
has been engineered to have a similar structure to natural oxytocin but with specific modifications at
the second and eighth positions of the amino acid sequence, which can lead to different metabolic
pathways or duration of effects in the human body. This alteration allows researchers to investigate the
specific pathways and receptors influenced by oxytocin, providing deeper insights into its broader
biological roles.
Studies of synthetic oxytocin analogs like (Phe2, Orn8)-Oxytocin focus on their
potential to explore therapeutic possibilities. Oxytocin analogs aim to explore the extendable benefits
of natural oxytocin, such as increasing social behaviors or managing disorders characterized by social
deficits, such as autism spectrum disorders or social anxiety. By modifying the natural hormone,
scientists hope to improve its pharmacokinetic properties, making it more potent, longer-lasting, or
capable of crossing the blood-brain barrier more effectively.
Furthermore, the design process of
(Phe2, Orn8)-Oxytocin enables more targeted research applications by potentially reducing side effects
associated with the broader activation of oxytocin pathways in the body. The strategic modifications in
(Phe2, Orn8)-Oxytocin can help in reducing unwanted hormonal responses, which might occur with natural
oxytocin, thereby allowing a more controlled therapeutic intervention. The objective is to retain or
enhance the desired effects, such as improving social functioning, while minimizing issues related to
off-target effects or reduced specificity, which could limit therapeutic use.
What potential
applications are being explored with (Phe2, Orn8)-Oxytocin?
The exploration of (Phe2,
Orn8)-Oxytocin is primarily rooted in its potential to investigate new treatment avenues for a variety
of social and psychological disorders. One of the vital applications under consideration is in the
treatment of autism spectrum disorder (ASD). The difficulties with social interaction and communication
that are hallmarks of ASD have prompted research into the role of oxytocin as a modulator of social
behaviors. (Phe2, Orn8)-Oxytocin, with its tailored affinities, may help elucidate the complex
relationships between oxytocin pathways and social behavior manifestations in ASD, possibly providing
newer treatment strategies that focalize improvement of social competency and management of
anxiety.
In addition to ASD, another area of application is social anxiety disorder (SAD), a
condition marked by overwhelming anxiety and excessive self-consciousness in everyday social situations.
Current treatments often involve cognitive behavioral therapy or medications like SSRIs, which have
limitations and a range of side effects. Researchers hope that (Phe2, Orn8)-Oxytocin might offer a more
targeted approach to modulating the underlying causes of social anxiety through its effects on the
brain’s oxytocin receptors, potentially improving social motivation and reducing anxiety
symptoms.
Moreover, (Phe2, Orn8)-Oxytocin’s role in enhancing bonding and attachment is being
explored in strengthening interpersonal relationships, such as those between partners or within family
units. There could be immense benefits in marriage therapy or postnatal care, where reinforcing
connections and promoting emotional bonding could be advantageous. The analog’s potential to positively
affect mood and stress responses also opens doors for its application in treating depression or in the
context of stressful life events, where enhancing resilience and emotional support structures could
significantly benefit mental health outcomes.
The breadth of these potential applications
exemplifies how synthetic analogs like (Phe2, Orn8)-Oxytocin can serve as crucial tools in unraveling
complex biological and psychological intricacies, ultimately leading to more personalized medical
interventions.
Are there any known side effects associated with (Phe2,
Orn8)-Oxytocin?
Investigative use of synthetic oxytocin analogs such as (Phe2, Orn8)-Oxytocin
necessitates a rigorous understanding of potential side effects to ensure safety and efficacy. While
studies continue to expand on these fronts, potential side effects are generally extrapolated from what
is known about oxytocin, as well as the predicted consequences of the structural modifications present
in this particular analog.
One of the possible side effects could stem from the interaction with
peripheral oxytocin receptors, potentially affecting bodily systems such as the cardiovascular system,
where oxytocin is known to play a role. Some individuals may experience changes in blood pressure or
heart rate, either due to the direct action of (Phe2, Orn8)-Oxytocin or as secondary outcomes related to
its administration. Since oxytocin can influence smooth muscle activity, digestive disturbances like
nausea or abdominal discomfort might occur, though these effects would depend heavily on dosage,
frequency, and individual physiological reactions.
On the neurological side, any modifications
intended to boost central nervous system penetration by (Phe2, Orn8)-Oxytocin may inadvertently alter
normal neurological functions or responses. It is pivotal that careful dosage and administration
regimens are established to minimize risks such as mood swings, headaches, or other cognitive effects,
which could arise if oxytocin signaling in the brain is excessively amplified or misregulated.
It
is also critical to consider the psychological and behavioral consequences. Since oxytocin plays a
substantial role in social interaction and affect regulation, it could potentially influence emotional
states in unpredictable ways. Overexposure might lead to excessive sociality or attachment which could
complicate scenarios involving jealousy or anxiety.
Ultimately, while insights into side effects
remain foundational in the therapeutic exploration of (Phe2, Orn8)-Oxytocin, these considerations
highlight the importance of personalized care and the continued need for comprehensive clinical trials.
Developing a complete safety profile requires an understanding of its pharmacodynamics and how
individual variations affect therapeutic responses.
How does (Phe2, Orn8)-Oxytocin work in the
brain to influence behavior?
(Phe2, Orn8)-Oxytocin is believed to interact with oxytocin
receptors in the brain, similarly to natural oxytocin. These receptors are part of the G-protein-coupled
receptor (GPCR) family and are widely distributed throughout the central nervous system and
peripherally. Within the brain, oxytocin receptors are notably concentrated in areas crucial for social
cognition and emotional processing such as the amygdala, hypothalamus, and nucleus accumbens, as well as
in areas involved in reward and motivational pathways.
Upon binding to oxytocin receptors, (Phe2,
Orn8)-Oxytocin would presumably initiate a cascade of intracellular events involving the activation of
secondary messenger systems. This includes influencing levels of intracellular calcium and cyclic
adenosine monophosphate (cAMP), which can result in neurotransmitter release modulation. The resultant
neuronal activity can ultimately affect the brain’s circuitry involved in emotion regulation, stress
responses, and particularly, social interactions.
The amygdala, a key region for emotion
processing, plays a significant role in fear and stress responses. By modulating activity in this
region, (Phe2, Orn8)-Oxytocin can help reduce fear and anxiety, promoting calmness and social
engagement. The impact on the hypothalamus can influence the regulation of stress hormones, further
aiding in the modulation of stress responses and social attitudes. Additionally, enhancement of
reward-related pathways, particularly those involving dopamine, may contribute to increased social
motivation and positive social behaviors by reinforcing pleasurable experiences encountered during
social interaction.
(Phe2, Orn8)-Oxytocin’s structural modifications allow researchers to better
understand the complexity of oxytocinergic signaling within these regions, elucidating how behavioral
responses triggered by the analog might differ in intensity or duration compared to natural oxytocin. By
providing insights into receptor dynamics and functional outcomes, this could highlight pathways to
promote therapeutic effects on social behavior disorders or emotional dysregulation.
Is (Phe2,
Orn8)-Oxytocin being used in any current clinical trials?
As of the current scope of exploration,
synthetic oxytocin analogs like (Phe2, Orn8)-Oxytocin are subjects of ongoing research rather than
widely applied in mainstream clinical trials. The focus remains on preclinical studies where detailed
analysis of the safety, pharmacokinetics, and pharmacodynamics of these compounds is assessed.
Nevertheless, the promising outcomes encouraged by such studies could set the foundation for future
clinical trials targeting specific conditions like autism spectrum disorders, social anxiety, or
depression.
These trials, when established, would be designed to rigorously test the efficacy and
safety of (Phe2, Orn8)-Oxytocin in a controlled setting. Depending on research findings and regulatory
approvals, trials may start with small cohorts for initial safety assessments, then progress to larger
populations to evaluate therapeutic potential. Each phase involves comprehensive data collection on
psychological assessments, behavioral observations, and potential side effects.
In the broader
advancement of medical science, analogs like (Phe2, Orn8)-Oxytocin serve as instruments in the toolkit
of researchers striving to develop novel interventions based on the modulation of neuropeptide activity.
While current clinical trial data might be limited due to the compound’s preclinical status, the
exploratory research around it continues to foster an understanding of the mechanistic roles these
peptides can play in therapeutic applications. This progressive exploration has the potential to
navigate complexities about the human brain and behavior, redefining how oxytocin’s intrinsic properties
might be harnessed effectively in medicinal contexts.
What are the ethical considerations
regarding the use of (Phe2, Orn8)-Oxytocin for therapeutic purposes?
Using (Phe2, Orn8)-Oxytocin
and other similar compounds for therapeutic purposes involves multiple layers of ethical consideration
pertaining to safety, consent, access, and the nature of the intervention itself. Safety is paramount,
as with any pharmacological intervention, ensuring that potential risks are well understood and managed.
The ethical principle of “do no harm” mandates comprehensive trials to understand side effects and
interaction with other physiological systems before widespread application.
In terms of consent,
research and eventual clinical application must be transparent, with individuals fully informed about
the implications, possible benefits, and associated risks of using a synthetic hormone analog. Special
attention is warranted in populations who might be more vulnerable, such as children on the autism
spectrum or those with cognitive disabilities, ensuring that guardians fully comprehend the decisions
being made on behalf of these individuals.
Beyond individual ethics, societal implications must
be considered. Widespread use of oxytocin analogs might change perceptions of what is deemed acceptable
in terms of manipulating social behaviors or emotions. The potential to enhance certain traits could
lead us into ethically murky waters regarding the pursuit of 'normalcy' or enhancement. This raises the
question of whether altering someone’s social behavior pharmacologically infringes on their authenticity
or autonomy, presenting a substantive philosophical debate about identity and medical
intervention.
Access constitutes another significant ethical vantage point. The availability of
such interventions could initially be limited by cost or regional distribution, potentially exacerbating
inequalities in who can access these novel therapeutics. Ensuring equitable distribution and access
would be a crucial challenge once these treatments are approved and enter regular clinical
practice.
Summarily, while (Phe2, Orn8)-Oxytocin holds immense potential to advance therapeutic
strategies, it necessitates a balanced approach where ethical considerations are inherent to development
and deployment strategies. This ensures that technological progress aligns harmoniously with the tenets
of human dignity and social justice.