Synonym |
Fibrinopeptide A |
Species |
Human |
Protein Accession |
P02671 |
Purity |
Greater than 95% |
Endotoxin Level |
Less than 1 EU per µg of the protein |
Biological Activity |
Not specified |
Expression System |
Not specified |
Fusion Tag |
Not applicable |
Predicted Molecular Mass |
About 2.94 kDa |
Formulation |
Lyophilized from a 0.2 μm filtered solution in Acetonitrile and TFA |
Reconstitution |
It is recommended to reconstitute the lyophilized Fibrinopeptide A in sterile 18 MΩ-cm H2O not
less than 100 µg/ml, which can then be further diluted to other aqueous solutions. |
Storage & Stability |
Store lyophilized Fibrinopeptide A at -20°C. Aliquot the product after reconstitution to avoid
repeated freeze-thaw cycles. Once reconstituted, it is recommended to store the solution at
-80°C. |
FAQ
What is Fibrinopeptide A (human), and why is it important in research?
Fibrinopeptide A (human)
is a short peptide released from the amino-terminal end of the fibrinogen alpha chain upon the action of
thrombin. Fibrinogen is a soluble plasma glycoprotein that plays a pivotal role in the coagulation
cascade, a process crucial for hemostasis, allowing blood to clot and prevent excessive bleeding from
injuries. The conversion of fibrinogen to fibrin by thrombin represents a critical step in forming a
stable clot. Fibrinopeptide A is an essential byproduct of this enzymatic reaction and is often measured
as an indicator of coagulation activity. Researchers focusing on blood coagulation disorders find
Fibrinopeptide A an invaluable tool for understanding disease states and therapeutic responses.
In the realm of clinical diagnostics, Fibrinopeptide A serves as a vital biomarker for
thrombotic activity. Elevated levels in the bloodstream may indicate hypercoagulable states, leading to
conditions such as deep vein thrombosis, pulmonary embolism, and myocardial infarction. By accurately
deciphering its levels, clinicians can assess the efficacy of anticoagulant therapies or adjust
treatment plans to mitigate the risk of thrombotic events. Moreover, Fibrinopeptide A helps in the study
of inflammatory processes since clot formation and inflammation are interlinked. Inflammatory cytokines
can influence fibrinogen levels and degradation, serving as a bridge connecting blood coagulation and
immune response studies.
For researchers in pharmacology, Fibrinopeptide A assays can be employed
to evaluate the pharmacodynamics of anticoagulant drugs, including direct thrombin inhibitors and factor
Xa inhibitors. Understanding how these drugs modulate Fibrinopeptide A levels allows pharmaceutical
developers to optimize dosing regimens and improve drug safety profiles. Furthermore, in basic research,
Fibrinopeptide A provides insights into the fundamental mechanisms of thrombin-mediated fibrinogenesis,
aiding in the exploration of novel therapeutic targets for coagulation and clotting disorders. In
summary, Fibrinopeptide A (human) stands at the crossroads of research in hematology, diagnostics, and
therapeutic development, offering vast potential for improving human health outcomes.
How is
Fibrinopeptide A (human) used in laboratory settings, and what are its applications?
In
laboratory settings, Fibrinopeptide A (human) is employed extensively as part of research into
coagulation systems and thrombotic diseases. The peptide can be utilized in several assay formats,
particularly those focusing on the dynamics of thrombin activity and fibrinogen conversion to fibrin.
One of the primary methods involves using synthetic Fibrinopeptide A as a standard or calibration tool
in quantitative assays, allowing researchers to measure the concentration of this peptide in biological
samples. These assays are used to understand the physiological and pathological conditions associated
with coagulation and clotting phenomena.
In experimental research, Fibrinopeptide A finds
utility in in vitro studies involving blood plasma or whole blood, where it is observed as a part of the
cascade reaction leading to stable clot formation. Scientists investigate various factors impacting
coagulation, such as the presence of anticoagulants or mutations in coagulation factor genes, to
elucidate their effects on the production of Fibrinopeptide A. Additionally, Fibrinopeptide A aids in
studying cellular interactions and signaling pathways during coagulation, emphasizing its role in
fundamental biochemistry and cellular biology.
Moreover, researchers focusing on pharmaceutical
sciences utilize Fibrinopeptide A to discern the mechanisms of action and effectiveness of
anti-coagulant and fibrinolytic drugs. By monitoring changes in Fibrinopeptide A levels during drug
exposure, investigators can assess the drug's impact on the coagulation cascade, tailoring experimental
models to simulate specific disease conditions. This approach is critical for drug discovery, where
experimental findings translate directly into clinical strategies to prevent or treat thrombotic
complications.
In clinical laboratory settings, Fibrinopeptide A assay kits help diagnose
clotting disorders or monitor anticoagulant therapy, offering insight into the delicate balance of
coagulation and the effectiveness of therapeutic interventions. Such assays provide quantitative data
that assist healthcare professionals in making informed decisions regarding patient treatment plans,
particularly in managing thrombotic risk. Importantly, the use of Fibrinopeptide A extends beyond these
applications, facilitating large-scale epidemiological studies aimed at understanding population-based
hemostatic trends and the environmental or genetic factors influencing coagulation.
What are the
critical advantages of using Fibrinopeptide A in coagulation research studies?
Fibrinopeptide A
(human) offers significant advantages in coagulation research due to its central role in the blood
coagulation cascade and as a reliable marker of thrombin activity. One of the key benefits lies in its
specificity and sensitivity as a biomarker. Given that Fibrinopeptide A is directly released during the
conversion of fibrinogen to fibrin, its measurement provides a precise indication of thrombin-mediated
coagulation activity. This specificity enhances the reliability of research findings, allowing
scientists to draw meaningful conclusions regarding the initiation and regulation of clot
formation.
Another advantage of Fibrinopeptide A is its application across various research
disciplines. In clinical investigations, it serves as an essential diagnostic tool, capable of detecting
excessive clotting or monitoring anticoagulant therapy. This versatility helps in studying a wide array
of diseases characterized by coagulation abnormalities, including disseminated intravascular
coagulation, liver disease, and hereditary clotting disorders. Having a consistent and reliable marker
like Fibrinopeptide A allows researchers to standardize assays across different clinical trials and
studies, fostering comparative analysis and reducing variability.
For drug development and
pharmacodynamic studies, Fibrinopeptide A provides significant insights into the mechanism of action of
anticoagulant and antithrombotic medications. By evaluating the peptide's levels pre- and post-drug
administration, researchers can assess drug efficacy and make dose adjustments based on the quantitative
feedback from Fibrinopeptide A assays. This approach helps streamline the process of drug formulation
and evaluation, providing critical data that influences regulatory approvals and therapeutic
recommendations.
Additionally, Fibrinopeptide A's stability in blood samples offers logistical
advantages for both clinical and laboratory settings. Researchers can measure it in stored plasma
samples, facilitating comprehensive longitudinal studies and retrospective analyses. This stability
minimizes sample degradation concerns, ensuring data integrity and repeatability of experiments.
Furthermore, the biochemical properties of Fibrinopeptide A permit its use in high-throughput analytical
methods, such as mass spectrometry, enabling efficient screening of numerous samples and accelerating
the pace of scientific discovery.
Overall, Fibrinopeptide A stands out due to its specificity,
versatility, and applicability across research paradigms. It acts as a crucial link between basic
coagulation research and applied clinical diagnostics, supporting a broad spectrum of investigations
from molecular biology to population health studies. These advantages make it an indispensable tool in
the quest to understand and manage thrombotic diseases and coagulation disorders
effectively.
What challenges might researchers encounter when working with Fibrinopeptide
A?
Working with Fibrinopeptide A (human) in research poses several challenges that scientists
must navigate to ensure accurate experimental outcomes. One primary challenge is the complexity of the
coagulation cascade itself, which involves numerous factors and enzymes influencing Fibrinopeptide A
production. The interplay of these components in both physiological and pathological states complicates
the interpretation of Fibrinopeptide A levels, requiring a nuanced understanding of the entire
coagulation process to draw valid conclusions.
Additionally, while Fibrinopeptide A is a specific
biomarker of thrombin activity, factors such as physiological variance among individuals and systemic
inflammation can affect its baseline levels, complicating result interpretation. For instance,
elevations in acute or chronic inflammation may influence fibrinogen levels and thus alter
Fibrinopeptide A concentrations, necessitating careful consideration of patient or sample history in
clinical studies. Distinguishing between changes due to thrombotic conditions versus other physiological
stimuli is critical, posing a challenge in experimental designs and necessitating standardized
controls.
Technical challenges also arise from the need for precise and sensitive assay
methodologies. Detecting Fibrinopeptide A typically involves techniques like enzyme-linked immunosorbent
assays (ELISA) or liquid chromatography coupled with mass spectrometry. These methods require expertise
in sample preparation, execution, and data interpretation. Any deviations in protocol or errors in
sample processing can lead to variability and inconsistencies, affecting data reliability. Moreover,
developing and validating these assays to achieve the required sensitivity and specificity can be
resource-intensive and technologically demanding.
Another significant challenge is the potential
for interference in samples. Biological matrices, such as blood and plasma, contain numerous proteins
and lipids that could interfere with the accurate quantification of Fibrinopeptide A. Investigators must
employ robust separation and purification techniques to mitigate such interferences, adding complexity
to experimental workflows. Additionally, researchers must be mindful of the stability of Fibrinopeptide
A, ensuring samples are stored and handled under conditions that prevent degradation or
contamination.
Furthermore, ethical and practical limitations in sample collection, particularly
from patient populations, can constrain research scope and sample size. Collaborating across disciplines
to overcome these logistical hurdles, while ensuring compliance with ethical standards, requires
meticulous planning and coordination. Consequently, researchers must be proactive, employing rigorous
validation and standardization strategies in all stages of their studies to ensure the robustness of
their findings and the reliability of Fibrinopeptide A as a biomarker.
What future developments
are anticipated in the research and application of Fibrinopeptide A?
The research and application
of Fibrinopeptide A (human) are poised for significant advancements as scientific understanding of
coagulation biology deepens and technological innovations emerge. One expected development is the
seamless integration of Fibrinopeptide A measurements into advanced diagnostic platforms. This
progression will involve the creation of more refined and accessible assays that can rapidly and
accurately measure Fibrinopeptide A levels in various biological matrices. Such technological
improvements will facilitate point-of-care diagnostics, enabling real-time assessment of coagulation
status in diverse clinical settings, from emergency care to routine health check-ups, thereby enhancing
patient outcomes.
Furthermore, the burgeoning field of personalized medicine is likely to
influence Fibrinopeptide A research. Scientists anticipate the development of assays tailored to
individual genetic profiles, recognizing that genetic predispositions can significantly affect
coagulation pathways. Customizing diagnostics and treatments based on a person's genetic architecture
could greatly improve the management of thrombotic disorders. Fibrinopeptide A's role as a biomarker
will likely expand in this context, as it offers insights into individual responses to anticoagulant
therapies and helps to fine-tune these therapeutic strategies to maximize efficacy while minimizing
adverse effects.
From a research perspective, Fibrinopeptide A will continue to be instrumental
in elucidating the molecular intricacies of coagulation. Advanced analytical methods, such as
high-resolution mass spectrometry and cutting-edge imaging technologies, will open new avenues for
studying the spatiotemporal dynamics of thrombin activity and Fibrinopeptide A release in vivo. This
could lead to the identification of novel regulatory mechanisms and potential therapeutic targets within
the coagulation cascade. Collaborative efforts integrating systems biology and bioinformatics will
leverage big data to create comprehensive models of hemostatic processes, incorporating Fibrinopeptide A
data for predictive modeling and simulation of hemostatic and thrombotic events.
Additionally,
the exploration of Fibrinopeptide A's role beyond coagulation is anticipated. Increasingly, research is
connecting coagulation with inflammatory and immune responses. Fibrinopeptide A may function in these
broader physiological contexts, potentially acting as a modulator of immune response or as part of
signaling pathways in inflammatory diseases. As understanding of these connections grows, Fibrinopeptide
A might emerge as a therapeutic target in managing inflammatory conditions or improving outcomes in
comorbid states where coagulation and inflammation intersect.
These future developments indicate
that Fibrinopeptide A will remain a cornerstone in coagulation research and clinical practice. Its
ongoing evolution reflects broader trends in biomedical science, emphasizing precision, integration, and
innovation to address complex health challenges. As these advances unfold, they promise to enhance our
understanding of hemostasis, providing deeper insights into human health and disease management.