Synonym |
Eel calcitonin |
Species |
Eel |
Protein Accession |
P01270 |
Purity |
Greater than 95% |
Endotoxin Level |
Less than 1 EU/µg |
Biological Activity |
Not specified |
Expression System |
Not specified |
Fusion Tag |
Not specified |
Predicted Molecular Mass |
3494.0 Da |
Formulation |
Lyophilized from a 0.2 μm filtered solution in Acetonitrile and TFA |
Reconstitution |
Reconstitute in 10 mM HCl at a concentration of 0.1 mg/ml |
Storage & Stability |
Store at -20°C upon receipt, stable for up to 2 years |
FAQ
What is calcitonin (eel), and how does it work in the body?
Calcitonin (eel) is a hormone used in
the medical field to treat various bone-related conditions. It is derived from the salmon species,
specifically the eel, which is an important distinction because this source provides a calcitonin that
is highly potent and biologically active. The primary role of calcitonin in the body is to regulate
calcium levels, an essential process for maintaining strong bones and overall mineral balance.
Calcitonin works by inhibiting the activity of osteoclasts, the cells in your bones responsible for
breaking down bone tissue. By limiting the activity of these cells, calcitonin helps to keep calcium in
the bones while reducing its level in the blood. This hormonal action is particularly beneficial for
individuals suffering from conditions such as osteoporosis or Paget’s disease, where bone density and
strength are compromised.
In addition to its role in managing bone density, calcitonin also
affects other aspects of calcium homeostasis. It decreases renal tubular reabsorption of calcium,
increasing urinary calcium excretion. This dual action—promoting bone retention and increasing renal
clearance—makes calcitonin a unique asset in the therapeutic toolbox for managing high serum calcium
levels, as seen in hypercalcemia. Moreover, calcitonin has been observed to exhibit some analgesic
properties that help relieve bone pain, although the specific mechanisms of this effect are still an
area of ongoing research. An additional therapeutic benefit of calcitonin is its ability to counteract
disorders of calcium metabolism, like those seen postoperatively following major bone surgery when
calcium demand and metabolism can be erratic.
While calcitonin (eel) provides significant medical
benefits, its usage must be monitored by healthcare professionals, given potential side effects such as
nausea and allergic reactions due to its protein nature. Continuous developments in the field have led
to the understanding that, besides direct injections, nasal sprays of calcitonin are available, offering
easy administration and enhancing patient compliance. These advancements underscore calcitonin's vital
role in medical treatments concerning bone health, offering relief and management of debilitating
conditions while further prompting research into its broader applications in medicine.
What are
the common uses of calcitonin (eel) in medical treatments?
Calcitonin (eel) is commonly utilized
in medical treatments for its efficacy in managing several bone-related conditions. One of its primary
uses is in the treatment of osteoporosis, especially in postmenopausal women. Osteoporosis is
characterized by low bone mass and structural deterioration of bone tissue, leading to increased bone
fragility and susceptibility to fractures. In this context, calcitonin is beneficial due to its ability
to inhibit bone resorption, a process predominantly carried out by osteoclasts. By reducing osteoclast
activity, calcitonin slows down bone loss, helping to maintain bone density and thereby reducing the
risk of fractures, which are a serious concern for osteoporotic patients.
Another important
application of calcitonin (eel) is in the treatment of Paget’s disease of bone, a chronic disorder that
can result in enlarged and misshapen bones. The cause of Paget’s disease is not fully understood, but it
involves the atypical breakdown and formation of bone tissue. This abnormal bone remodeling process can
lead to bone pain, arthritis, noticeable bone deformities, and fractures. Calcitonin's role in Paget’s
disease treatment consists of regulating this remodeling process by directly inhibiting the excessive
bone resorption that characterizes the disorder. This allows for more controlled, healthier bone growth
and maintenance.
Calcitonin (eel) is also employed in managing hypercalcemia, a condition denoted
by an excessively high level of calcium in the blood. Such a condition can result from various causes,
including overactive parathyroid glands, cancer, certain other medical disorders, some medications, and
excessive use of calcium and vitamin D supplements. By decreasing osteoclast activity and increasing the
renal excretion of calcium, calcitonin helps to lower blood calcium levels, providing a counterbalance
to hypercalcemic states.
Furthermore, calcitonin has been found to have a pain-relieving effect
in some cases, particularly related to bone pain from osteoporosis and cancer. While its exact pain
modulation mechanisms are not fully understood, patients often experience some reduction in bone pain
when treated with calcitonin. This unique analgesic property makes calcitonin an appealing choice for
comprehensive treatment strategies that address both the structural and symptomatic aspects of bone
disorders. Despite these beneficial uses, calcitonin must be prescribed and monitored by healthcare
professionals to ensure the best outcomes and mitigate any potential side effects.
Are there any
side effects associated with the use of calcitonin (eel)?
The use of calcitonin (eel), like any
medication, can be associated with a range of potential side effects. It's essential for patients to be
informed of these possible reactions to monitor their health appropriately while using this treatment.
One of the most commonly reported side effects is nausea, which occurs in a subset of patients due to
the body's response to the hormone's protein-based structure. While this can be bothersome, it is often
manageable and tends to decrease over time as the body becomes accustomed to the
treatment.
Another frequent side effect is facial flushing or redness, which is again related to
the body's natural response to foreign proteins. This flushing is generally mild and transient,
resolving on its own without the need for specific intervention. Some patients may also experience
gastrointestinal disturbances such as diarrhea, which, while uncomfortable, is typically manageable with
conventional strategies like hydration and dietary modifications.
When calcitonin is administered
through a nasal spray, a different set of potential side effects may arise, particularly localized
reactions. These can include nasal irritation, dryness, and occasional nasal bleeding. To minimize these
side effects, patients are advised to follow the proper administration technique and consult with
medical professionals if symptoms persist or worsen. Maintaining nasal hygiene and using saline sprays
may help alleviate some of these issues.
In addition to these commonly reported side effects,
there are also more serious, albeit less common, potential reactions related to calcitonin use. Allergic
reactions, ranging from mild rashes to more severe anaphylactic responses, can occur due to the protein
nature of the hormone. Patients are encouraged to seek immediate medical attention if they experience
symptoms such as difficulty breathing, swelling of the face or throat, or severe rash, as these may
indicate a serious allergy.
A long-term concern that has emerged from some studies is the
slightly increased risk of malignancy associated with prolonged calcitonin use. Although the mechanisms
behind this potential risk are not fully understood, it remains an area of active research and
discussion within the medical community. Healthcare providers may consider these factors when
determining the appropriate duration and course of calcitonin therapy, ensuring a balance between
therapeutic benefits and potential risks. As with any medication, the decision to use calcitonin
involves weighing these potential side effects against the benefits for each individual patient, guided
by their specific medical needs and conditions.
How is calcitonin (eel) administered, and what
are the available forms?
Calcitonin (eel) can be administered in a few different ways, depending
on the specific needs and conditions of the patient. The most common forms of administration are through
injection and nasal sprays, each having particular benefits and considerations. Historically, the
injectable form of calcitonin was more prevalent, allowing for direct delivery into the bloodstream and
hence a rapid onset of action. This is particularly beneficial in acute scenarios, such as severe
hypercalcemia, where quick intervention is needed to lower critically high calcium levels in the blood.
The injectable form usually requires administration in a clinical setting or by a healthcare
professional capable of handling the medication correctly to ensure proper dosing and minimize potential
complications.
However, with the advent of nasal spray formulations, a shift has occurred due to
the convenience and improved comfort these sprays offer to patients, especially those who require
long-term therapy for chronic conditions like osteoporosis. The nasal spray of calcitonin (eel) allows
patients to self-administer the medication with ease, ultimately improving adherence to treatment
regimens by eliminating the need for injections. The nasal spray is designed to deliver a precise dose
directly into the nasal mucosa, from where the hormone is absorbed into the bloodstream. This mode of
delivery is non-invasive and typically associated with fewer systemic side effects than the injectable
form, mainly due to the lower levels of calcitonin entering the bloodstream at any one time.
Each
form has its specific considerations. For instance, nasal calcitonin requires proper administration
techniques to ensure optimal absorption and minimize local side effects such as nasal irritation or
bleeding. Patients using nasal sprays might be advised to alternate nostrils with each dose and maintain
nasal health by using saline sprays or humidifiers, particularly in dry conditions. Conversely,
injectable calcitonin demands careful handling and storage conditions, as well as familiarity with
injection techniques, whether the delivery is subcutaneous or intramuscular.
Ultimately, the
choice of calcitonin form depends largely on the clinical goals, the patient's comfort and ability to
adhere to the treatment plan, and potential side effects. Healthcare providers typically tailor the
decision to the individual, taking into account these variables alongside efficacy and safety data, to
determine the best therapeutic strategy for each case. By presenting multiple administration options,
calcitonin (eel) offers flexibility to address a range of clinical challenges associated with its target
conditions.
Who should consider using calcitonin (eel) and why?
Calcitonin (eel) should
be considered by individuals who suffer from specific medical conditions that impact bone health and
calcium metabolism, benefiting from its unique mode of action. Primarily, postmenopausal women with
osteoporosis are ideal candidates for calcitonin therapy. This group is especially at risk due to the
accelerated bone loss associated with hormonal changes after menopause. Calcitonin provides an effective
option for these patients by reducing osteoclast activity, thereby minimizing bone resorption and
helping to maintain bone density. This effect can lead to fewer fractures, which is a common and serious
complication of osteoporosis in postmenopausal women, significantly impacting their quality of
life.
Patients with Paget's disease of bone are another group that can benefit from calcitonin
treatment. Paget's disease leads to abnormal bone metabolism, resulting in pain, deformities, and an
increased risk of fractures. Calcitonin works by moderating the excessive bone resorption seen in
Paget's disease, promoting a more balanced bone remodeling process. This stabilization of bone
metabolism can greatly reduce the symptoms and progression of the disease, providing a more manageable
condition for patients.
Calcitonin is also beneficial for individuals experiencing hypercalcemia,
an elevated level of calcium in the blood, which can occur due to various underlying conditions,
including certain cancers. By reducing the number of active osteoclasts and increasing the excretion of
calcium through the kidneys, calcitonin helps lower blood calcium levels, thereby addressing potential
complications associated with hypercalcemia, such as kidney stones, bone pain, and neurological
symptoms.
Beyond these, patients suffering from bone pain related to fractures or other
conditions may also consider using calcitonin as part of their pain management regimen. While the
analgesic properties of calcitonin are not fully elucidated, preliminary findings suggest it can provide
some degree of relief, making it a versatile component of therapeutic strategies aimed at pain reduction
alongside its bone-preserving benefits.
However, despite its promising uses, calcitonin therapy
must be monitored by a healthcare professional to decide if it's appropriate for a specific patient.
This consideration is vital due to potential side effects and the need to ascertain that the benefits
outweigh the risks for each individual. Physicians must evaluate existing medical conditions,
concomitant medications, and overall health status when recommending calcitonin therapy, thus ensuring
it aligns with the patient's overall treatment goals and health strategy. With the right application,
calcitonin (eel) has the potential to significantly enhance the quality of life for those needing its
benefits.