Peptides

Items 2451-2500 of 3079

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  1. Bioactive Peptide

    Biotin-Ahx-β-Amyloid (1-40) is a biotinylated bioactive peptide that targets amyloid-beta, a key component implicated in Alzheimer's disease pathology. This compound facilitates the study of amyloid aggregation and provides valuable insights into the mechanisms of neurodegeneration. Research applications include the exploration of amyloid-beta's role in cellular toxicity and the development of therapeutic strategies for Alzheimer's disease.
  2. Oligopeptide Capable Of Self-assembling Into Nanotubes

    AAKLVFF is an oligopeptide known for its ability to self-assemble into nanotubes. It is derived from the core section of β-amyloid and serves as a methanol-compatible liquid crystal alignment medium, facilitating residual dipolar coupling measurements. This property enhances its application in structural studies of protein interactions and dynamics, making it a valuable tool in biochemical and biophysical research.
  3. Bioactive Peptide

    Mca-Arg-Pro-Lys-Pro-Tyr-Ala-Nva-Trp-Met-Lys(Dnp)-NH2 is a bioactive peptide designed as a substrate for matrix metalloproteinases (MMPs). This compound exhibits specific enzymatic activity that facilitates studies on MMP-mediated processes, such as tissue remodeling and extracellular matrix degradation. It serves as a valuable tool in research applications focused on cancer metastasis, wound healing, and various inflammatory conditions linked to MMP activity.
  4. Tripeptide

    Lysyl-phenylalanyl-lysine is a tripeptide that effectively activates LAP-TGF-β1, facilitating the release of active TGF-β1. This compound plays a crucial role in regulating the expression of matrix metalloproteinases (MMPs), thus contributing to the modulation of tissue remodeling processes. Lysyl-phenylalanyl-lysine is valuable for research into skin aging-related diseases and impaired wound healing mechanisms.
  5. Cross-Linked Peptide

    C-telopeptide is a cross-linked peptide derived from type I collagen, released during the process of bone resorption. It serves as a valuable biomarker for assessing bone health, as its levels correlate with bone mineral density (BMD). This reagent is essential for research applications focused on osteoporosis, bone metabolism, and related pathologies.
  6. Bioactive Peptide

    Noxa A BH3 is a bioactive peptide that corresponds to the BH3 domain of the Noxa protein. This peptide is known to induce apoptosis through its interaction with pro-survival Bcl-2 proteins, thereby promoting cell death in cancer cells. It serves as a valuable tool for research in apoptosis mechanisms and therapeutic development targeting Bcl-2 family proteins.
  7. Bioactive Peptide

    Noxa B BH3 is a bioactive peptide that targets the BH3 domain of the Noxa protein. It plays a crucial role in regulating apoptosis by promoting mitochondrial outer membrane permeabilization. This peptide is useful for studying cellular mechanisms of programmed cell death and exploring potential therapeutic interventions in cancer and other diseases associated with dysregulated apoptosis.
  8. Tetrapeptide

    [Des-Tyr1]-Met-Enkephalin is a tetrapeptide that serves as a degradation product of enkephalins. This compound is primarily known for its role in modulating pain and providing analgesic effects through interactions with opioid receptors. It is utilized in research applications focused on pain management, neurobiology, and the study of endogenous peptide systems.
  9. Chromogenic Peptide Substrate

    H-Gly-Glu-pNA is a chromogenic peptide substrate primarily utilized for enzymatic analysis, specifically in the detection of trypsin and urokinase-type plasminogen activator (uPA). This substrate allows for the sensitive measurement of enzymatic activity, facilitating research in areas such as proteolytic enzyme studies, clinical diagnostics, and biochemical assay development. Its ability to produce a measurable chromogenic signal makes it an essential tool for researchers investigating protease activity and related biological processes.
  10. Beauty Peptide

    Acetyl hexapeptide-38 is a beauty peptide that enhances tissue repair by targeting fibroblasts in the dermis. Its primary mechanism involves promoting collagen synthesis and thickening subcutaneous fat, facilitating the skin's natural repair processes. Key biological activities include increasing collagen content and improving skin tissue structure, making it useful in cosmetic applications such as repairing congenital soft tissue defects, reducing tear grooves and nasolabial folds, and minimizing postoperative scars. This peptide is also applicable in micro-plastic surgery for skin tissue enhancement.
  11. Dipeptide

    Prolylisoleucine (Pro-Ile) is a dipeptide consisting of proline and isoleucine, primarily known for its ability to inhibit endopeptidase 24.16. This compound exhibits significant biological activity by modulating peptide metabolism, making it a valuable tool in research focused on neuropeptide regulation and enzymatic pathways. Prolylisoleucine can be utilized in studies investigating the roles of neuropeptides in various physiological processes.
  12. Nrf2 Peptide

    Nrf2 (69-84) is a peptide derived from the Nrf2 protein, featuring the essential ETGE motif critical for binding to the Kelch domain of the Keap1 protein. This peptide serves as a valuable tool for investigating the regulatory functions of Nrf2 in various biological processes, particularly in the context of cancer, neurodegenerative disorders, and inflammatory diseases. Its application aids in elucidating the mechanisms by which Nrf2 modulates cellular responses to oxidative stress and inflammation.
  13. Bioactive Peptide

    Keap1-Nrf2-IN-16 is a bioactive peptide that targets the KEAP1 protein to disrupt its interaction with the Nrf2 transcription factor. This inhibition leads to the stabilization and activation of Nrf2, promoting the expression of antioxidant response elements and enhancing cellular defense mechanisms. Keap1-Nrf2-IN-16 is utilized in research applications related to oxidative stress, cellular protection, and neurodegenerative diseases.
  14. NF-κB Inhibitor

    NBD peptide is a selective inhibitor of the NF-κB signaling pathway, acting by disrupting the interaction between NEMO and the IKK complex. This inhibition leads to reduced production of pro-inflammatory cytokines, showcasing its anti-inflammatory properties. Additionally, NBD peptide demonstrates immunosuppressive effects through modulation of immune cell activity. The incorporation of the cell-penetrating HIV-TAT peptide enhances its cellular uptake, facilitating its application in various research contexts.
  15. NF-κB Inhibitor

    IKKγ NBD Inhibitory Peptide is a selective inhibitor of NF-κB signaling. It functions by disrupting the interaction between the IKKγ/NEMO-binding domain and IKKα/IKKβ, effectively blocking TNF-α-induced NF-κB activation. This peptide exhibits significant anti-inflammatory properties and has potential applications in studying cerebral ischemia and its associated neurological deficits.
  16. Control Peptide

    SN50M is a mutant peptide derived from SN50 that serves as a cell membrane-permeable inactive control peptide. This reagent is primarily utilized in research to study the effects and mechanisms of active peptides targeting the nuclear transport pathway. Its role as a control allows for the differentiation of specific biological responses in cellular assays and molecular studies.
  17. β-Amyloid Peptide Fragment

    β-Amyloid (1-38), mouse, rat is a peptide fragment consisting of the first 38 amino acids of the amyloid-beta (Aβ) peptide. This fragment plays a crucial role in the formation of amyloid plaques associated with Alzheimer's disease. It serves as an important tool for researchers studying the pathophysiology of neurodegeneration and the mechanisms of Alzheimer's pathology. Its use can provide insights into β-amyloid aggregation and the development of potential therapeutic strategies.
  18. Peptide Fragment

    (D-Asp1)-Amyloid β-Protein (1-42) is a peptide fragment derived from amyloid β-protein (Aβ), which plays a crucial role in the pathogenesis of Alzheimer's disease. This fragment is implicated in the formation of amyloid plaques, a hallmark of neurodegeneration associated with the disease. The compound is utilized in research applications focused on studying amyloid aggregation, neuroinflammation, and potential therapeutic interventions in Alzheimer's disease.
  19. β-Amyloid Peptide Fragment

    β-Amyloid (1-34) is a fragment of the β-Amyloid peptide consisting of 34 amino acids. This peptide is involved in the formation of extracellular plaques in Alzheimer's disease and serves as a critical target for studying neurodegenerative processes. β-Amyloid (1-34) is utilized in research applications focusing on the pathology of Alzheimer's, neuroinflammation, and potential therapeutic interventions targeting amyloid aggregation.
  20. Bioactive Peptide

    RERMS are bioactive peptides derived from the active regions of amyloid-β and A4 protein precursors, known to enhance fibroblast growth. These peptides serve as valuable tools in the investigation of neurodegenerative diseases, aiding in the understanding of cellular mechanisms and potential therapeutic pathways. Their ability to promote fibroblast proliferation highlights their significance in biomedical research.
  21. APP Peptide Fragment

    β-Amyloid/A4 Protein Precursor (319-335) is a peptide fragment of the amyloid precursor protein (APP) that focuses on its crucial role in cell signaling and neuritotropic activity. This fragment targets a heparinase-insensitive site associated with the neurotrophic functions of APP, making it valuable for research into neurodegenerative diseases such as Alzheimer's. Its applications include studies on neurodevelopment, synaptic plasticity, and the mechanisms underlying amyloid pathology.
  22. Aβ Peptide Fragment

    Cys-Gly-Lys-Arg-Amyloid β-Protein (1-42) is a peptide fragment that targets the amyloid β-protein (Aβ), a key component in the pathogenesis of Alzheimer's disease. This peptide is instrumental in studying the formation and aggregation of amyloid plaques, which are hallmark features of Alzheimer's pathology. Researchers can utilize this reagent to explore the mechanisms of neurodegeneration and potential therapeutic interventions in Alzheimer's disease.
  23. Aβ Peptide Binder

    BTA-EG6 is a brain-penetrant binder that selectively targets aggregated amyloid-β (Aβ) peptides, exhibiting a dissociation constant (Kd) of 290 nM for Aβ1-42. This compound forms protective protein-resistive coatings that inhibit interactions between Aβ and catalase, thereby reducing neurotoxic effects. In functional assays, BTA-EG6 demonstrates protective effects against Aβ-induced cytotoxicity and oxidative stress, effectively decreasing hydrogen peroxide (H2O2) levels in neuroblastoma cells. This reagent is valuable for research focusing on Alzheimer’s disease (AD) and associated mechanisms of neurotoxicity.
  24. β-Amyloid Peptide Fragment

    β-Amyloid (12-20) is a peptide fragment of the β-Amyloid protein, primarily targeting amyloid plaques involved in Alzheimer's disease pathology. This peptide is utilized in research to study the aggregation and toxicity of β-Amyloid in neural tissues. Its applications extend to understanding the molecular mechanisms underlying neurodegenerative disorders and assessing potential therapeutic interventions.
  25. β-amyloid Peptide

    β Amyloid(28-35) human is a key fragment of the β-amyloid peptide (Abeta) that plays a critical role in Alzheimer's disease pathology. This peptide is known to form neurotoxic oligomers that interact with neuronal membranes, altering their secondary structure and contributing to neurodegenerative processes. Additionally, β Amyloid(28-35) human affects the fluidity of lipid membrane bilayers, particularly in relation to the acidic phospholipid DPH, making it valuable for research into amyloid-related neurotoxicity and membrane dynamics.
  26. Superoxide Dismutase Peptide

    SOD1 (147-153) human is a peptide derived from the Cu/Zn superoxide dismutase (SOD1), known for its propensity to form amyloid fibrils. This peptide fragment is implicated in the aggregation of full-length SOD1, serving as a significant molecular determinant in both familial and sporadic amyotrophic lateral sclerosis (fALS and sALS). Research applications include studies on neurodegenerative disease mechanisms and the investigation of protein aggregation processes.
  27. Aβ Fibrillogenic Inhibitor

    Acetyl-Tau Peptide (273-284) amide is an acetylated fragment of the Tau protein that acts as an inhibitor of Aβ fibrillogenesis. It effectively reduces the aggregation of Ac-Aβ(25–35)-NH2, facilitating studies on the interplay between Aβ and Tau proteins. This peptide serves as a valuable experimental tool for investigating the mechanisms underlying Alzheimer's disease and related neurodegenerative conditions.
  28. β-Amyloid Peptide Fragment

    β-Amyloid (1-17) is a peptide fragment of β-Amyloid that is involved in the stabilization of amyloid fibrils. This fragment plays a crucial role in the formation and aggregation of amyloid-beta aggregates, which are implicated in neurodegenerative diseases such as Alzheimer's. Research applications include studies on amyloid fibril behavior and the investigation of β-Amyloid's role in neural pathologies.
  29. Bioactive Peptide

    Scrambled β-amyloid (1-40) is a bioactive peptide that functions as a structural variant of the β-amyloid protein. This peptide mimics the assembly characteristics of the major C-terminal variants Aβ (1-40) and Aβ (1-42), both of which contribute to amyloid plaque formation in Alzheimer's disease. Research applications include the study of amyloid aggregation processes and examination of peptide interactions within neurodegenerative contexts.
  30. Neuroprotective Peptide

    Pep63 is a neuroprotective peptide with the sequence VFQVRARTVA that acts primarily by competitively binding to Aβ1-42 oligomers. It effectively inhibits the formation of Aβ fibers and has been shown to enhance synaptic plasticity and memory retention. Pep63 is a valuable tool for research into Alzheimer's disease and other neurodegenerative disorders, facilitating the investigation of neuroprotective mechanisms and potential therapeutic interventions.
  31. β-amyloid Peptide

    β-Amyloid (1-16) rat is a fragment of the β-amyloid peptide (Aβ) featuring a metal-binding domain. This synthetic peptide contains three amino acid substitutions that make it distinct from the human form, resulting in reduced susceptibility to amyloid-related neurodegeneration in rodent models. It is primarily utilized in research applications focused on Alzheimer's disease mechanisms and the study of amyloid pathology.
  32. insoluble amyloid β-peptide deposits

    (Pyr3)-Amyloid β-Protein (3-42) targets insoluble amyloid β-peptide deposits, playing a critical role in the pathogenesis of Alzheimer's disease and Down's syndrome. This peptide variant is known to accumulate in the brain, potentially initiating the formation of pathological amyloid aggregates. It is useful in research applications focused on understanding amyloid-related neurodegeneration and developing therapeutic strategies.
  33. Aβ1-42 targeting peptide

    QSH peptide is a targeting peptide that specifically binds to the amyloid-beta peptide Aβ1-42, a key player in Alzheimer's disease pathology. It is utilized in the development of siRNA delivery complexes, facilitating targeted therapeutic approaches. This peptide is essential for research focused on understanding and potentially mitigating the effects of amyloid-beta in Alzheimer's disease.
  34. β-Amyloid Peptide Fragment

    β-Amyloid (13-27) is a peptide fragment derived from the β-amyloid protein, encompassing amino acids 13 to 27. This fragment plays a crucial role in studies related to Alzheimer's disease and neurodegenerative disorders. Its biological activity is relevant for research applications focusing on amyloid aggregation, neurotoxicity, and potential therapeutic interventions targeting amyloid pathology.
  35. Amyloid-β

    Glp-Amyloid-β (3-40) peptide (human) specifically targets amyloid-β, a critical factor in Alzheimer's disease pathology. This peptide contains a pyroglutamate modification and is derived from 24-month-old transgenic mice expressing amyloid precursor protein (APP). It is useful for research applications involving the study of amyloid plaque formation, neuroinflammation, and the development of potential therapeutic strategies for neurodegenerative diseases.
  36. Mutant peptide of Aβ(25-35)

    [Ala28]-β Amyloid(25-35) is a modified peptide variant of Aβ(25-35) that carries an electrically neutral charge. This alteration enhances the aggregation properties of the peptide, making it a valuable tool in studies of amyloid aggregation and Alzheimer’s disease pathology. It is particularly useful in research applications focused on therapeutic strategies that target amyloid-beta aggregation and its effects on cellular processes such as luciferase activity.
  37. Self-assembling Octapeptide

    FEFEFKFK is a self-assembling octapeptide known for its ability to form fibrillar structures. At concentrations exceeding 7 mg/mL, FEFEFKFK exhibits gelation properties that are instrumental in investigating the mechanisms of amyloid fibril formation. This compound is particularly relevant for research into protein misfolding diseases, including Alzheimer's disease and Parkinson's disease, providing valuable insights into disease pathology and potential therapeutic approaches.
  38. Fluorescent Substrate Peptide

    Mca-SEVNLDAEFK(Dnp) is a fluorescent substrate peptide specifically designed for the estimation of Beta-secretase 1 (BACE-1) activity. Featuring the 'Swedish' mutation of the amyloid precursor protein (APP) β-secretase cleavage site, this substrate undergoes cleavage at the -Leu-Asp- bond, releasing the highly fluorescent 7-methoxycoumarin (Mca) fragment. This release results in a significant increase in fluorescence intensity due to the removal of the quenching effect from the 2,4-dinitrophenyl (Dnp) moiety, making it a valuable tool for research applications in Alzheimer’s disease and related studies of amyloid pathology.
  39. Peptide

    BACE1 (485-501) is a peptide corresponding to the carboxyl terminal region of Beta-site APP cleaving enzyme 1 (BACE1). This peptide serves as an effective antigen for the generation of anti-BACE1-C antibodies, facilitating the study of BACE1's role in Alzheimer's disease and other neurodegenerative conditions. Its utility in immunological assays aids researchers in elucidating the biochemical pathways associated with amyloid precursor protein processing.
  40. Calcium/calmodulin-dependent Protein Kinase I Peptide

    CaMKI (299-320) is a peptide derived from the calcium/calmodulin-dependent protein kinase I, encompassing residues 299 to 320. This peptide exhibits a high-affinity interaction with Ca2+-calmodulin (Kd ≤ 1 nM) and is capable of phosphorylating target substrate proteins, thus modulating their biological activity. Due to its functional domains, including the calmodulin-binding and self-inhibition domains, CaMKI (299-320) is a valuable tool for investigating cellular physiological processes such as proliferation, differentiation, and apoptosis.
  41. CaMKII Active Peptide

    [Ala286]-Calmodulin-Dependent Protein Kinase II (281-302) is a modified peptide fragment of calcium/calmodulin-dependent protein kinase II (CaMKII), featuring an alanine substitution at position 286. This alteration enhances its functional characteristics, making it a valuable tool for the development of potent CaMKII inhibitors. It is primarily used in research applications focused on understanding CaMKII's regulatory roles in cellular processes and signaling pathways.
  42. CaMKII Inhibitor

    CaMKII inhibitory peptide KIIN is a selective inhibitor of calcium/calmodulin-dependent protein kinase II (CaMKII). This peptide effectively disrupts CaMKII activity, making it a valuable tool for studying CaMKII-dependent signaling pathways. Its use in various research applications includes investigating cellular processes such as synaptic plasticity, memory formation, and cardiac function.
  43. Small Peptides

    SP-10 is a small peptide that specifically targets the interaction between the spike (S) protein of SARS-CoV and the angiotensin-converting enzyme 2 (ACE2) receptor, exhibiting an IC50 value of 1.88 nM. This compound is valuable for research on SARS-CoV, particularly in studies investigating viral entry mechanisms and the development of therapeutic agents aimed at inhibiting this critical interaction. Its potent activity makes it an essential tool for exploring antiviral strategies.
  44. Polyglutamine Inhibitor

    Polyglutamine binding peptide 1 (QBP1) is a peptide inhibitor that specifically targets polyglutamine sequences. It effectively inhibits polyQ protein aggregation in vitro and demonstrates the ability to suppress polyQ-induced cell death in cell culture models. This reagent is valuable for research focused on neurodegenerative disorders associated with polyglutamine expansion, providing insights into potential therapeutic interventions.
  45. Bioactive Peptide

    LKBtide is a bioactive peptide that serves as a substrate for Serine/Threonine kinase 11 (STK11), also known as LKB1. This peptide is derived from the sucrose non-fermenting 1 (SNF1) protein kinase and plays a crucial role in the LKB1/AMP-activated protein kinase (AMPK) signaling pathway. LKBtide is commonly utilized in research focused on cellular energy regulation, metabolic signaling, and cancer biology.
  46. Substrate Peptide Of Cathepsin S

    Ac-KQKLR-AMC TFA is a substrate peptide for Cathepsin S, conjugated with the fluorescent indicator AMC (Excitation/Emission = 354 nm/442 nm). This reagent facilitates the measurement of Cathepsin S activity, enabling researchers to study proteolytic processes and assess enzyme function in various biological contexts. Its application is crucial for investigations into the role of Cathepsin S in physiological and pathological conditions.
  47. Bioactive Peptide

    MeO-Suc-Arg-Pro-Tyr-pNA is a bioactive peptide that serves as a substrate for chymotrypsin. This compound is utilized in studies involving proteolytic enzyme activity and can be instrumental in understanding protease function in various biological processes. Its application extends to biochemical assays aimed at investigating protein digestion and regulation of enzymatic activity.
  48. Polypeptide

    Activated Protein C (390-404), human is a polypeptide fragment derived from the vitamin K-dependent serine protease activated protein C (APC). This fragment specifically inhibits the anticoagulant function of APC by blocking its ability to inactivate factor Va. It serves as a valuable tool in studies of coagulation pathways and the regulation of anticoagulant mechanisms, contributing to research in thrombosis and hemostasis.
  49. Dipeptide

    L-Isoleucyl-L-valine is a dipeptide that serves as a specific inducer of the transition from bovine trypsinogen to trypsin. This compound is significant in studying proteolytic enzyme activation and can be utilized in various biochemical assays focused on enzymology and protein processing. Its role in facilitating the conversion process makes it valuable for research into digestive enzyme activation mechanisms.
  50. Peptide

    Eglin c (41-49) is a peptide fragment that acts as a potent inhibitor of cathepsin G and α-chymotrypsin, exhibiting Ki values of 42 μM and 20 μM, respectively. This compound is crucial for studies exploring protease inhibition and the regulation of inflammatory responses. Its specificity and efficacy make it an important tool for biochemical research involving serine proteases.

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