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HS Code |
941498 |
| Product Name | Human Interleukin-11 |
| Synonyms | IL-11 |
| Molecular Formula | C856H1349N247O254S7 |
| Molecular Weight | 19.3 kDa |
| Sequence Length | 178 amino acids |
| Source | Recombinant (typically E. coli) |
| Activity | Stimulates hematopoiesis and thrombopoiesis |
| Purity | ≥ 95% (SDS-PAGE) |
| Form | Lyophilized powder |
| Storage Conditions | -20°C (long-term) |
| Accession Number | P20809 |
| Endotoxin Level | < 1.0 EU/μg |
| Solubility | Soluble in water or PBS |
| Application | Cell culture, cytokine research |
| Appearance | White to off-white powder |
As an accredited Human Interleukin-11 factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Human Interleukin-11 is supplied in a sterile, lyophilized powder form, sealed vial, quantity: 100 µg per vial. |
| Shipping | Human Interleukin-11 is shipped on dry ice to maintain stability and prevent degradation during transit. The product is securely packaged in accordance with international regulations for biological materials. Shipping is expedited, ensuring prompt delivery, with tracking and handling instructions provided to ensure safe arrival and optimal product integrity. |
| Storage | Human Interleukin-11 should be stored at -20°C to -80°C in a tightly sealed container, protected from light and moisture. Upon reconstitution, it should be aliquoted and stored at -20°C or below to avoid repeated freeze-thaw cycles. For short-term use, it may be kept at 2-8°C. Handle under sterile conditions to maintain activity and prevent contamination. |
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Purity ≥ 98%: Human Interleukin-11 with purity ≥ 98% is used in hematopoietic stem cell culture, where it promotes robust megakaryocyte proliferation. Recombinant: Human Interleukin-11 recombinant form is used in cytokine profiling assays, where it ensures reliable signal transduction studies. Molecular Weight 19 kDa: Human Interleukin-11 with molecular weight 19 kDa is used in protein-protein interaction research, where it facilitates accurate ligand-receptor binding analysis. Lyophilized Powder: Human Interleukin-11 as lyophilized powder is used in preclinical formulation studies, where it allows for extended stability and increased storage convenience. Endotoxin Level < 1 EU/µg: Human Interleukin-11 with endotoxin level < 1 EU/µg is used in in vitro immune cell assays, where it minimizes nonspecific immune activation. Sterile-Filtered: Human Interleukin-11 sterile-filtered is used in cell therapy manufacturing, where it ensures contamination-free cell culture conditions. Stability at -20°C: Human Interleukin-11 with stability at -20°C is used in biobanking applications, where it maintains biological activity over prolonged storage periods. Carrier-Free: Human Interleukin-11 carrier-free is used in receptor binding assays, where it eliminates interference and improves assay sensitivity. Biological Activity > 1 x 10⁵ units/mg: Human Interleukin-11 with biological activity > 1 x 10⁵ units/mg is used in thrombocytopenia animal models, where it induces significant platelet count increases. Solubility in PBS: Human Interleukin-11 with solubility in PBS is used in high-throughput screening assays, where it enables rapid and consistent sample preparation. |
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Anyone who's spent years watching the evolution of biotechnology knows that every so often, a protein comes along that changes how we think about healing. Human Interleukin-11, usually shortened to IL-11, marks one of those turning points. Over the past decade, more researchers have turned their attention to this product because of its powerful role in immune modulation and cell growth. Seeing real people benefit from these advances is what brings the science to life. For example, IL-11 helps stimulate the proliferation of certain cell lines, including megakaryocytes—crucial for platelet production. This property makes it a strong player in fields chasing better options for blood cell support during cancer treatment and recovery from bone marrow suppression.
Not every cytokine brings the same advantages to the table. You can find a lot of immune system modulators on the market, but IL-11 stands out for a few reasons. Its role goes beyond basic support—it steps in where bone marrow struggles after chemotherapy, nudging the body to start building up platelets again. Take this in contrast to Erythropoietin, which mainly influences red blood cell production. IL-11’s ability to target platelets puts it in a unique position. Researchers and clinicians have seen fewer incidents of bleeding when using IL-11-based therapies in patients with severe thrombocytopenia, showing that these biological products can move from the lab to life-changing impact for patients.
Recombinant Human Interleukin-11 is typically produced through expression in E. coli or yeast systems. Each run involves tight control on purity, making high standards a non-negotiable. Purified IL-11 is a single polypeptide with about 178 amino acid residues and a molecular weight close to 19 kDa. Experimental work in academic labs and biotech companies has shown consistent bioactivity when produced through these systems, with different batches tested for endotoxins and verified through mass spectrometry. That isn’t flash or marketing—it’s the minimum bar for giving researchers dependable tools.
Sustained reliability goes back to strict manufacturing protocols, covering everything from cell culture conditions to the very last filtration step. Users look for less than 1.0 EU/μg of endotoxin and purity levels above 98% on SDS-PAGE or HPLC. Anyone who has worked with proteins knows the pain of “gunk” contaminating an expensive purchase, so ensuring tight specifications means scientists can trust every batch, every time.
There’s a reason top labs fund ongoing projects involving IL-11. Peer-reviewed literature documents IL-11’s impact in everything from treating chemotherapy-induced thrombocytopenia to exploring its anti-inflammatory abilities. Unlike broad-spectrum immunosuppressive drugs, IL-11 targets specific cytokine pathways. This focused action lets research teams probe questions about bone marrow microenvironments, GI mucosal healing, and even the delicate immune balance following organ transplant.
Working closely with clinicians offers another perspective: the connection between bench and bedside isn’t abstract. It makes sense to see an uptick in the use of IL-11 for supportive care in oncology wards. Platelet counts drop dangerously low after aggressive therapy, and transfusions can only go so far. I’ve watched teams debate different biologics. Some oncologists prefer IL-11’s rapid onset, with rises in platelet counts as early as seven days into therapy. That shortens hospital stays and reduces the risk of bleeding. Products purified to clinical grade and offered with tight lot-to-lot consistency bridge the gap from theory to practice.
You don’t have to look far to see how cytokine research leads directly into new therapies. Enthusiasm for IL-11 isn’t just hype. Recent studies have linked IL-11 to fibrotic processes—good news in some cases, a warning flag in others. So teams remain vigilant in understanding how and where to use it. For every discovery, new questions arise. For instance, researchers who noticed improved recovery in GI tract mucosa after chemically induced injury using IL-11 soon started digging into the mechanistic pathways. Some reported a reduced inflammatory response, opening up uses beyond hematology. Whenever a product manages both to treat acute symptoms and reveal more about fundamental cell biology, you know it is more than merely another tool in a crowded market.
Veterans in drug development emphasize the importance of transparency in product validation. Any company offering IL-11 needs to publish batch data, provide access to certificates of analysis, and deliver on the claims they make. Sticking close to Google’s principles of experience, expertise, authority, and trust, routine third-party testing matters. Research teams can’t afford surprises in the middle of a long, costly study.
Experience has taught me not to treat all recombinant proteins as equal. Interleukin-2 and Granulocyte Colony-Stimulating Factor (G-CSF) each carve out their therapeutic territory—IL-2 ramps up T-cell proliferation, a double-edged sword in cancer immunotherapy, while G-CSF pushes neutrophil counts but lacks a pronounced impact on platelets. By contrast, IL-11 is the product clinicians pick when managing bleeding risk driven by low platelets, which shows up often post-chemotherapy or following certain viral infections.
There’s also the practical side—storage, handling, and stability of recombinant cytokines. Any protein meant for clinical use must ship cold, resist activity loss during freezer cycles, and present with clear labeling on concentration and excipients. Years of wrangling unreliable protein shipments have made me appreciate a producer who details storage steps and provides traceable batch information. IL-11 products at the front of the field consistently provide all relevant quality data plus storage recommendations—normally -20°C or lower, and always shielded from repeated thaw cycles. Missing these steps risks protein degradation and loss of activity, which ruins research and, in the worst case, confuses trial results.
Academic labs and pharmaceutical companies deploy Human Interleukin-11 across a varied landscape. In the clinical sphere, use centers on oncology patients at risk of platelet loss. Some hospitals add IL-11 as a supportive agent following stem cell transplants. The rationale? Too-low platelet numbers put patients at immediate risk for spontaneous bleeding, a fate most want to avoid. For preclinical groups, IL-11 acts as a model protein for studying hematopoietic differentiation, bone marrow niche support, and novel pathways in mucosal repair. Thorough stability profiles and lot certifications mean these groups can run longer, more complex studies without switching providers.
One trend emerging in recent years involves work on IL-11 analogs. With heightened interest in how this cytokine modulates immune and fibrotic pathways, some teams have started developing modified versions with reduced pro-fibrotic potential. It’s not just academic curiosity at play. Creating more targeted or selective analogs could reduce risks in long-term therapy while keeping the benefits in hematological recovery. This type of iterative engineering shows faith that the protein’s core value isn’t exhausted by its original use case.
Reliable protein products don’t come easy, and a few cautionary tales echo through the field. Anyone who remembers the early days of recombinant protein manufacturing can recall ruined experiments and wasted animals from poor-quality batches. IL-11 suppliers face ongoing pressure to document sourcing, demonstrate traceability, and certify minimal contamination by host cell proteins or DNA. Those requirements protect long-term rigor, maintaining a body of evidence that guides clinical decision-making. Product recalls or batch failures erode trust quickly, so most reputable producers adopt redundant validation steps. This includes dual-labelling for both protein identity and activity, along with endotoxin screening.
A key conversation revolves around cost and accessibility. Not every hospital can stretch its budget for every novel therapeutic, and sometimes IL-11 takes a back seat because of price or supply issues. Efforts to reduce production costs—switching to more efficient expression systems, automating steps, and negotiating broader supply deals—will open access for more patients. Cheap, off-brand versions rarely offer the traceability or clinical documentation required by regulatory bodies. Learning from the past, scientists and purchasers tend to place higher value on suppliers who are up front about their quality controls.
You only need to spend a few days in a hematology ward to realize how “niche” research topics quickly become life-and-death realities for patients. Facing low platelets, families worry about internal bleeds and extended stays. When IL-11 therapies arrive on time, with reliable dosing and clear administration instructions, stress lifts—if only temporarily. Nurses appreciate formulations that dissolve cleanly, without clogs in lines or mysterious particles to investigate. Pharmacists look for stability data and expiration windows they can pass on to attending physicians. These small steps add up—each batch that performs as expected keeps the focus on care, not troubleshooting or workarounds.
It’s not rare to see clinicians and pharmacists work together to tailor IL-11 dosing by closely following patient blood counts. Some hospitals run pilot programs to correlate dose adjustments with changes in transfusion frequency and patient outcomes, highlighting the personal nature of evidence-based medicine. That connection to real-world people sets a standard for what the biotech field should aim for: bridging innovation gaps, making sure cutting-edge research results in treatments families can count on.
The longer one spends examining the flow of therapies from lab bench to hospital corridors, the clearer it becomes that quality builds reputations. IL-11 holds a reputation for delivering stability and repeatability. Only suppliers who keep exhaustive records and submit batches for outside verification earn the trust of major hospitals and university labs. Anyone promising less risks losing ground as standards rise. It pays off to keep pushing for better production methods: increased purity, documented absence of contaminants, and quicker reporting of deviations. More transparent supply chains build institutional trust, reassuring teams that what they inject or infuse lives up to its claims.
A few years ago, a major trial paused midway due to unanticipated protein instability in a competitor’s batch. That event cast a long shadow, forcing a return to basics—source verification, documentation, and cross-lab confirmation. These aren’t just compliance checkboxes; lives may depend on it. The best teams don’t shy from audits, instead viewing them as opportunities to raise the entire field’s baseline. With IL-11 now part of broader protocols, especially where research and clinical practice intersect, every improvement gets noticed.
The most respected protein suppliers listen closely to feedback from actual users—the caretakers, physicians, and scientists who rely on each shipment. Real-world success often boils down to details: the clarity of reconstitution instructions, the ease of drawing up exact doses, and the peace of mind knowing the product matches what’s on the vial. I remember fielding questions on batch-to-batch consistency in an academic setting, where a single experiment going wrong meant weeks lost and grant funding at risk. Those memories reinforce how important it is that IL-11 products arrive as pure, stable, and potent as advertised.
Quality assurance exists to serve both regulatory demands and everyday needs. When the stakes are high—such as human clinical trials or high-profile, peer-reviewed research—teams demand detailed certificates of analysis, with supporting HPLC chromatograms, purity percentages, and comprehensive testing history for everything shipped. That information echoes the trust underlying any therapy that claims a place in modern practice.
No product review is complete without addressing the old challenge of “value.” As next-generation biologics pop onto the scene, users cast a critical eye toward every new entry, including updated IL-11 analogs or biosimilar versions. Researchers in leading academic centers keep challenging manufacturers to publish data on comparative bioactivity, immunogenicity, and safety, especially now that patient populations and regulatory guidance change year by year. Each iteration brings more choice and the need for sharper discernment.
Teams also demand more granular support from vendors—clearer labelling, faster turnaround for questions, deeper literature support, and rapid notification about recalls or specification changes. The smartest suppliers invest in proactive communication—providing pathways for feedback and troubleshooting, supporting ongoing clinical trials, and sharing evolving best practices.
Adhering to rigorous best practices matters, but so does sharing those efforts openly. Trust comes not from glossy brochures but from repeated success and clarity about processes. Scientists remember the times something went wrong just as clearly as each milestone reached. When a product’s credentials check out and the lab can verify the supplied data internally, confidence grows. Consistency from Human Interleukin-11 providers, demonstrated through real-world data and third-party testing, is what keeps research moving and patients safer.
Many organizations require support in the form of usage protocols and troubleshooting guides. Responsive vendors who can walk teams through problems—whether related to buffer compatibility or unexpected activity differences—stand out. Having spent enough nights troubleshooting failed cytokine-dependent assays, I can say that nothing beats fast, expert help. That blend of technical backing and user education completes the cycle, driving both loyalty and authenticity in a market crowded with claims.
IL-11’s story doesn’t rest on its first clinical win or its original publication. Instead, it continues to drive new lines of inquiry among immunologists, hematologists, and even regenerative medicine teams. People are building on foundation work—testing combinations, engineering variants, comparing new delivery methods. With every published trial or successful case, the picture evolves, making past boundaries obsolete. For families and patients dealing with the day-to-day realities of blood disorders or immune dysregulation, seeing steady progress gives hope that today’s therapies can get even safer and more tailored in the years ahead.
But innovation has to move side by side with caution. One wrong batch, poorly characterized analog, or unapproved supplier can set a field back years and cost lives. Seasoned clinicians teach younger teams that rigorous quality checks aren’t optional—they’re the single most important layer of protection. By drawing on lived experience, ongoing research, and hard-won lessons from past missteps, IL-11 products continue to support some of the most challenging areas in biomedicine.
Looking back, it’s clear that the journey of Human Interleukin-11 has been shaped by more than clever science or marketing—it comes down to accountability, transparency, and relentless focus on real patient outcomes. The deeper I’ve gone into cytokine biology, the more determined I’ve become that every product—especially one with as direct a line to patient care as IL-11—should earn its reputation every day. The field doesn’t stand still, and those who keep advancing production, commit openly to quality, and invest in education will keep leading.
So much of science and medicine comes down to trust—a fact reinforced with every injection, every successful trial, and every patient story. Human Interleukin-11, done right, brings better days to families and solid data to research teams worldwide. That’s the kind of progress everyone should support, from the lab all the way to the bedside.