Synonym |
GLP-2 (1-33) (human) |
Species |
Human |
Protein Accession |
P01574 |
Purity |
> 95% |
Endotoxin Level |
< 1 EU/µg |
Biological Activity |
Measured in a cell proliferation assay using a mouse intestinal epithelial cell line |
Expression System |
E. coli |
Fusion Tag |
None |
Predicted Molecular Mass |
3.8 kDa |
Formulation |
Lyophilized from a 0.2 μm filtered solution in Acetonitrile and TFA with BSA as a carrier
protein |
Reconstitution |
Centrifuge the vial prior to opening. Reconstitute in PBS to a concentration of 0.1-1.0 mg/ml
|
Storage & Stability |
Store at -20°C. For long-term storage, store at -80°C. Once reconstituted, can be stored at 4°C
for up to one week. Avoid repeated freeze/thaw cycles. |
FAQ
What is GLP-2 (1-33) and how does it work?
GLP-2 (1-33) is a synthetic form of glucagon-like
peptide-2, a naturally occurring hormone in the human body. This hormone is primarily involved in the
maintenance and regulation of the intestinal epithelium. Its function revolves around enhancing the
growth and regenerative capabilities of the gut lining. The peptide is a derivative of proglucagon and
is secreted by L-cells in the small intestine in response to nutrient ingestion. When administered,
GLP-2 (1-33) interacts with GLP-2 receptors located in the gut, which are part of the G-protein-coupled
receptor family. This interaction triggers a cascade of intracellular events leading to enhanced
proliferation of crypt cells and inhibition of apoptosis. As a result, there is an increase in
intestinal villus height, leading to an improvement in nutrient absorption efficiency and overall
intestinal adaptation. Furthermore, GLP-2 has been noted to regulate intestinal permeability, thereby
enhancing the gut barrier function and reducing intestinal inflammation. This is of particular
importance for individuals suffering from conditions such as short bowel syndrome (SBS), inflammatory
bowel disease (IBD), or other diseases that compromise the gut integrity. Additionally, GLP-2 reduces
gastric motility and secretion, allowing for more effective enzymatic digestion and nutrient uptake. In
summary, GLP-2 (1-33) serves as a pivotal therapeutic agent aimed at restoring and maintaining gut
health through multiple mechanisms, including cell proliferation, reduced intestinal permeability, and
modulation of gastrointestinal activity. These actions are pivotal for patients who require clinical
intervention for severe gastrointestinal disorders and illustrate the potential of GLP-2 (1-33) in
therapeutic applications focused on intestinal rehabilitation.
What are the clinical benefits of
GLP-2 (1-33)?
The clinical benefits of GLP-2 (1-33) are primarily anchored in its capacity to
ameliorate gastrointestinal conditions through its trophic effects on the intestinal epithelium. One of
its most impactful benefits is observed in patients with short bowel syndrome (SBS), a condition
characterized by malabsorption due to major resections of the bowel. In such cases, GLP-2 (1-33) has
been shown to significantly increase the absorptive surface of the intestines by stimulating the growth
of the intestinal mucosa. This not only improves nutrient absorption but also enhances the overall
intestinal adaptation process, allowing patients to reduce their reliance on parenteral nutrition and
improve their quality of life. Additionally, GLP-2 (1-33) plays a beneficial role in conditions such as
Inflammatory Bowel Disease (IBD), which includes Crohn's disease and Ulcerative Colitis. By
strengthening intestinal barrier function and reducing inflammation, GLP-2 can alleviate symptoms and
may contribute to the healing of the intestinal lining. Beyond these, GLP-2 has implications in reducing
the risk of enteral feeding-related complications by optimizing the gut's absorptive capacity and
maintaining mucosal integrity. It even shows promise in managing acute intestinal injuries arising from
ischemia-reperfusion or chemotherapy-induced mucositis, where it aids in the rapid recovery of the gut
epithelium. Moreover, GLP-2's ability to modulate gut transit time and reduce acid secretion can be
particularly useful in managing conditions like gastric dumping syndrome, where accelerated gastric
emptying disrupts normal digestion. With these diverse benefits, GLP-2 (1-33) remains a focal point in
gastrointestinal therapeutic research and is paving the way for innovative treatment modalities that
address severe intestinal insufficiencies.
Are there any known side effects or risks associated
with GLP-2 (1-33)?
While GLP-2 (1-33) presents a promising therapeutic pathway for individuals
with specific gastrointestinal conditions, it's essential to consider its safety profile and associated
risks. Clinical trials and patient reports have indicated a relatively well-tolerated safety profile,
but like any therapeutic agent, GLP-2 (1-33) is not devoid of potential side effects or risks. Common
side effects noted include mild, often transient, reactions such as gastrointestinal disturbances.
Patients might experience nausea, abdominal discomfort, and bloating due to the drug's modulatory effect
on the gastrointestinal tract. These symptoms are typically mild and resolve on their own without
requiring medical intervention. Another area of concern could be the development of small-bowel or
colonic neoplasia due to its potent regenerative properties, although this risk remains theoretical and
has not been substantiated in clinical practice or trials thus far. It is worth highlighting that
ongoing research is actively investigating long-term outcomes associated with prolonged GLP-2
administration to rule out any such risks definitively. Patients with a history of malignancies or
active intestinal malignancy should be monitored closely when undergoing treatment with GLP-2 (1-33). In
addition, fluid retention and peripheral edema may occur as a result of increased intestinal blood flow,
leading to mild swelling, especially in patients with heart failure or renal insufficiency. It's
integral for healthcare providers to evaluate potential contraindications and ensure that GLP-2 (1-33)
is administered judiciously in populations susceptible to cardiovascular complications. Routine
monitoring and comprehensive patient education play a critical role in mitigating risks and achieving
optimal therapeutic outcomes with GLP-2. Despite these concerns, the therapeutic benefits for targeted
populations arguably outweigh potential side effects, making GLP-2 (1-33) a valuable tool in managing
complex gastrointestinal disorders when used under proper medical guidance.
How does GLP-2 (1-33)
compare to other treatments available for similar conditions?
GLP-2 (1-33) distinguishes itself
from other treatments available for intestinal disorders primarily through its exceptional focus on
enhancing gut mucosal growth and amplification of nutrient absorption without significant systemic
effects. Conventional therapies for conditions like short bowel syndrome (SBS) and inflammatory bowel
disease (IBD) often center around dietary modifications, micronutrient supplementation, and
pharmacological interventions aimed at controlling symptoms, such as electrolyte imbalances and
diarrhea. For instance, parenteral nutrition is a mainstay therapeutic strategy for SBS, providing
nutritional needs intravenously when the gut fails to function adequately. However, continued reliance
on parenteral nutrition carries risks like catheter-related infections, liver damage, and nutritional
imbalances. In this regard, GLP-2 (1-33) offers a unique mechanism by directly promoting intestinal
adaptation and enabling weaning off parenteral support over time. This capability of reducing dependence
on external nutritional support renders GLP-2 (1-33) an attractive alternative that aligns with more
natural physiological processes of nutrient absorption. Comparatively, in the context of IBD management,
traditional treatment modalities often involve anti-inflammatory drugs, immunosuppressants, and
biologics that target systemic inflammation pathways. While effective in managing disease activity,
these treatments come with broad-ranging side effects, including increased susceptibility to infections
and organ toxicity. GLP-2's direct action on the gut epithelium presents a relatively localized
treatment avenue devoid of widespread immune modulation. Furthermore, it coalesces gut barrier
improvement with symptom relief without necessarily altering systemic inflammatory markers. While enzyme
replacement therapies and probiotics are adjuncts aimed at improving digestive functions, they do not
emulate the regenerative benefits seen with GLP-2 (1-33). Nonetheless, combining GLP-2 therapy with
conventional treatments can offer synergistic benefits in optimizing gut health and ensuring
comprehensive care for patients beyond singular therapeutic actions, setting a precedent for integrated
treatment strategies in clinical gastroenterology.
In what specific conditions is GLP-2 (1-33)
most effective?
GLP-2 (1-33) displays pronounced efficacy in several specific gastrointestinal
conditions by capitalizing on its unique mechanistic benefits to promote intestinal growth and
robustness. One of its primary indications is for patients with short bowel syndrome (SBS), a condition
resulting from an extensive resection of the small intestine that severely hampers nutritional
absorption and may necessitate the lifelong use of parenteral nutrition. GLP-2 (1-33) effectively
promotes mucosal growth, enhances villus height, and improves nutrient absorption efficiency, proving
instrumental in the intestinal adaptation process. As a result, many patients with SBS may experience a
reduced dependency on parenteral nutrition, ultimately improving their quality of life. Another
condition where GLP-2 finds its niche is in managing inflammatory bowel diseases (IBD), such as Crohn's
disease and ulcerative colitis. By bolstering the intestinal barrier function and modulating
inflammatory responses, GLP-2 can alleviate disease symptoms and accelerate mucosal healing, offering
potential long-term benefits alongside other standard IBD treatments. Additionally, GLP-2's ability to
enhance gut integrity and reduce intestinal permeability is beneficial in addressing conditions that
involve a compromised gut barrier, such as radiation enteritis or certain gastrointestinal
manifestations resulting from chemotherapy. In cases of chronic diarrhea linked to functional bowel
disorders or idiopathic intestinal insufficiencies, GLP-2 (1-33) improves absorptive capacity and
supports gastrointestinal homeostasis, thereby stabilizing symptoms. Moreover, ongoing research explores
GLP-2's potential in promoting recovery post-intestinal surgeries or ischemic injuries, given its
reparative properties that aid rapid mucosal regeneration and nutrient absorptive recovery. Although its
therapeutic application extends beyond these conditions, it is paramount that GLP-2 is administered
under rigorous clinical supervision to accurately identify patients who would benefit most and to tailor
therapy to their specific gastrointestinal needs, thereby enhancing treatment efficacy and optimizing
patient outcomes.
What ongoing research is being conducted on GLP-2 (1-33)?
Research on
GLP-2 (1-33) continues to evolve, with ongoing studies exploring its therapeutic potential across
various indications, mechanisms of action, and long-term safety profiles. One significant area of
research focuses on expanding the indications for which GLP-2 (1-33) might be beneficial. While its
efficacy is well-established in conditions like short bowel syndrome (SBS) and certain inflammatory
bowel diseases (IBD), researchers are now investigating its potential benefits in other gastrointestinal
conditions characterized by compromised intestinal integrity and function. For example, studies are
evaluating its effectiveness in managing conditions like celiac disease, where the preservation of gut
mucosa is of paramount importance. Another area of interest is the exploration of GLP-2 in enhancing
recovery post-intestinal surgeries or mitigating gastrointestinal damages from cancer treatments, such
as chemotherapy-induced mucositis or radiation enteritis. These conditions often lead to significant
injury to the gut lining, and GLP-2's regenerative properties could revolutionize recovery protocols and
improve patient outcomes.
Additionally, researchers are conducting detailed investigations into
the molecular mechanisms underpinning GLP-2's action to better understand how this peptide exerts its
effects on cellular pathways. By elucidating these mechanisms, scientists aim to optimize its
administration and enhance its therapeutic efficacy safely. Concerns regarding GLP-2's long-term safety,
particularly with regards to potential neoplastic risks due to its proliferative properties, have driven
longitudinal studies monitoring patients over extended periods. These studies are essential to ensure
that the risk-benefit ratio remains favorable and could inform about tailored treatment durations or
adjunctive therapies to mitigate any potential risks.
Furthermore, the impact of GLP-2 on
metabolic pathways beyond the gastrointestinal system is also being explored. As the peptide is involved
in complex interplays of hormonal signals, understanding its systemic impact could lead to broader
therapeutic applications, potentially influencing metabolic disorders or systemic inflammatory states.
Clinical trials are also investigating refined delivery methods and dosing regimens to improve patient
adherence and therapeutic outcomes, taking into consideration pharmacokinetic and pharmacodynamic
interactions that influence drug efficacy and patient experience. As research progresses, these insights
will likely refine GLP-2 (1-33)'s role in clinical practice, potentially offering new paradigms in the
management of challenging gastrointestinal and metabolic disorders.
How is GLP-2 (1-33)
administered in clinical settings, and what considerations are necessary for patient treatment
plans?
In clinical settings, GLP-2 (1-33) is typically administered via subcutaneous injections,
a method chosen for its effective delivery into the circulatory system while maintaining the peptide's
stability. The administration frequency is often dictated by the specific condition being treated as
well as the patient's individual response to the therapy. For example, in the treatment of short bowel
syndrome (SBS), where enhancing gut adaptation is crucial, the typical regimen might involve daily
injections. The exact dose and frequency are calibrated based on clinical studies to optimize mucosal
growth and nutrient absorption while monitoring for potential adverse effects. It is imperative that the
treatment plan be personalized, taking into account the patient's overall health status, the severity of
the condition, and any co-existing medical conditions.
Careful consideration is necessary when
integrating GLP-2 (1-33) into a patient's treatment plan. Initially, healthcare providers must undertake
a comprehensive assessment that includes patient history, dietary habits, current medication regimen,
and specific gastrointestinal challenges. This allows for the identification of any contraindications
and the establishment of baseline measurements for monitoring treatment progress. Blood tests, imaging,
and intestinal function assays might be employed to objectively assess the initial state and monitor
therapeutic efficacy over time.
During treatment, continuous education and communication with the
patient are crucial to ensure adherence and to address any concerns or side effects that may arise.
Patients must be instructed on how to administer subcutaneous injections if home administration is
necessary, including safe handling, storage, and disposal of needles to mitigate any risk of infection
or incorrect dosing. Regular follow-up appointments are essential to assess the treatment's
effectiveness and make any necessary adjustments to the dosing regimen. This monitoring helps ensure
that the therapy is achieving desired outcomes without undue adverse effects.
Moreover,
healthcare providers should maintain a proactive stance in managing any side effects, adjusting
treatment plans as needed. They must be vigilant for signs of fluid retention, potential effects on
nearby structures like the pancreas, or the unlikely event of new neoplastic growths. These elements
underscore the importance of an integrative approach, involving dietitians, gastroenterologists, and
patient support services to ensure a holistic management strategy. As a guideline, treatment plans with
GLP-2 (1-33) must embody flexibility and responsiveness to the patient's changing health status,
ensuring that therapy is both scientifically sound and aligned with patient-centered care principles.