Peptide Conjugates

DOTATATE is a DOTA-conjugated peptide. DOTATATE can be labelled with radionuclides for positron emission tomography (PET) imaging and peptide receptor radionuclide research (PRRT). DOTATATE can be used for the synthesis/research of Radionuclide-Drug Conjugates (RDCs).

DOTATATE acetate is a DOTA-conjugated peptide. DOTATATE acetate can be labelled with radionuclides for positron emission tomography (PET) imaging and peptide receptor radionuclide research (PRRT). DOTATATE (acetate) can be used for the synthesis/research of Radionuclide-Drug Conjugates (RDCs).

Pentixafor is a peptide that targets CXCR4. Pentixafor is capable of being labelled with ⁶⁸Gallium (⁶⁸Ga) for positron emission tomography (PET) imaging. Pentixafor can be used for the synthesis/research of Radionuclide-Drug Conjugates (RDCs).

DPI-4452 is a CAIX-targeting cyclic peptide with a DOTA cage, and can be chelated with radionuclide for CAIX-expressing tumor PET-CT imaging and study. DPI-4452 specifically and selectively binds CAIX without interaction with an in vitro off-target receptor panel of 55 targets (IC₅₀ for recombinant hCAIX: 130 nM). Radiolabeled DPI-4452 inhibits tumor growth in HT-29 and SK-RC-52 xenograft mouse models. DPI-4452 can be used for the synthesis/research of Radionuclide-Drug Conjugates (RDCs).

DOTA-JR11 is a somatostatin receptor 2 （SSTR2）antagonist. DOTA-JR11 can be labeled by 68Ga, used for paired imaging in neuroendocrine tumors (NETs) research. DOTA-JR11 can be used for the synthesis/research of Radionuclide-Drug Conjugates (RDCs).

Ac-RKAA-PABC-MMAE is a Drug-Linker Conjugates for ADC. Ac-RKAA-PABC-MMAE consists of the ADC Cytotoxin MMAE (HY-15162) and a linker. Ac-RKAA-PABC-MMAE can be used for synthesis of ADCs.

PDI2 (PSMA-DOTA-PEI2) is a prostate-specific membrane antigen (PSMA) ligand that acts as a tumor retention agent, renal uptake reducer, imaging agent and antitumor agent, applicable in SPECT diagnostic imaging and radiotheranostics. PDI2 specifically binds to PSMA on prostate cancer cells, enters cells via clathrin-dependent endocytosis, and exhibits higher tumor retention rate and lower renal uptake level. PDI2 is applicable in research related to prostate cancer and castration-resistant metastatic prostate cancer.

Granzyme B contrast agent-1 is a Granzyme B binder with a K_d value of 1.0 nM. When radiolabeled, Granzyme B contrast agent-1 can be used for positron emission tomography (PET) and single-photon emission computed tomography (SPECT) imaging studies of Granzyme B.

DOTA-LM3 is a somatostatin receptor (SSTR) antagonist. LM3 refers to p-Cl-Phe- cyclo(D-Cys-Tyr-D-4-amino-Phe(carbamoyl)-Lys-Thr-Cys)D-Tyr- NH2, as well as a somatostatin antagonist. DOTA-LM3 is often isotopically labeled for tracing tumors in vivo, such as 177Lu-DOTA-LM3 and 68 Ga-DOTA-LM3. 68 Ga-DOTA-LM3 shows favorable biodistribution, high tumor uptake, good tumor retention, and few safety concerns. 177Lu-DOTA-LM3 can be used for research in DOTATOC-negative liver metastases, such as pancreatic NET and extensive tumor thrombosis. DOTA-LM3 can be used for the synthesis/research of Radionuclide-Drug Conjugates (RDCs).

Edotreotide is a ligand that selectively targets SSTR2 and can competitively bind to the receptor. Edotreotide mediates the targeted delivery, while modificated with radionuclides (such as ⁹⁰Y, ¹⁷⁷Lu, and ⁶⁸Ga) to SSTR-positive tumors and induces tumor cell apoptosis by releasing β rays. Edotreotide has strong tumor targeting and precise killing activity. Edotreotide is used in the synthesis of radionuclide-drug conjugates (RDCs) and is widely used in the field of neuroendocrine tumors (such as metastatic carcinoids, lung and thymus NETs).

ANG1005 (Paclitaxel trevatide) is a brain-penetrating peptide-drug conjugate. ANG1005, a taxane derivative, consists of three paclitaxel (HY-B0015) molecules covalently linked to Angiopep-2, designed to cross the blood-brain and blood-cerebrospinal barriers and to penetrate malignant cells via low density lipoprotein receptor-related protein (LRP1) transport system.

FAPI-mFS is an irreversible fibroblast activation protein (FAP) inhibitor, that enhances the uptake and retention time in cancer cells through its covalent binding property for FAP. FAPI-mFS can be used for cancer imaging the therapy, when labeled with radioactive 68Ga or 177Lu. FAPI-mFS can be used for the synthesis/research of Radionuclide-Drug Conjugates (RDCs).

3BP-3940 is a highly potent and selective peptide inhibitor of FAP that targets cancer-associated fibroblasts (CAFs) in the tumor microenvironment. 3BP-3940 can be labeled with radionuclides (such as Ga-68) for precise tumor imaging or Lu-177 for the development of targeted anticancer technologies. 3BP-3940 accumulates in tumor lesions and can be used to diagnose and inhibit various solid cancers and CAFs-related diseases.

NODAGA-LM3 is a ligand that can cross the blood-brain barrier and targets somatostatin receptor SSTR2 with high affinity (IC₅₀ = 1.3 nM). NODAGA-LM3 does not trigger the internalization of SSTR2 and can inhibit agonist-induced internalization processes. NODAGA-LM3 shows low uptake in normal tissues such as the liver and spleen, but high uptake in the lungs and blood pool. ⁶⁸Ga-labeled NODAGA-LM3 can serve as a PET imaging agent for well-differentiated neuroendocrine tumors, and is applied in studies related to small cell lung cancer and well-differentiated neuroendocrine tumors.

DOTAMTATE is a somatostatin analogue. DOTAMTATE marked ²¹²Pb is promising for research of somatostatin receptor positive neuroendocrine tumors.

DOTA-NOC (DOTA-Nal3-octreotide) is a high-affinity ligand of somatostatin receptor subtypes 2, 3 and 5. DOTA-NOC can be used for labeling with various radiometals, and development of radiopeptide imaging. DOTA-NOC can be used for the synthesis/research of Radionuclide-Drug Conjugates (RDCs).

NOTA-AE105 is a PET ligand for the urokinase-type plasminogen activator receptor (uPAR). NOTA-AE105 can be radiolabeled with ⁶⁴Cu and ⁶⁸Ga. Images of 68Ga-NOTA-AE105 and 64Cu-NOTA-AE105 demonstrate high contrast and clear tumor delineation. NOTA-AE105 can be used in the synthesis of radionuclide-conjugated compounds (RDCs).

DOTA-Octreotide TFA is composed of chelator DOTA and Octreotide (HY-P0036). DOTA-Octreotide TFA is used for research of cancer through combination with radioactive elements. DOTA-Octreotide TFA can be used for the synthesis/research of Radionuclide-Drug Conjugates (RDCs).

DOTA.SA.FAPi TFA is a selective FAP inhibitor with an IC₅₀ value of 0.9 nM against FAP. DOTA.SA.FAPi TFA forms stable complexes with ⁶⁸Ga and serves as a PET radiotracer for preclinical imaging of FAP-expressing tumors. DOTA.SA.FAPi TFA can be used in the research of colorectal adenocarcinoma and various other cancers.

HYNIC-PSMA is a ligand for molecular imaging of tumors. Hynic-psma consists of two components: HYNIC (6-hydrazinonicotinamide) and PSMA (Prostate-Specific Membrane Antigen). HYNIC is a compound used to attach radioactive isotopes to targeted molecules, such as ¹⁸⁸Re-HYNIC-PSMA. PSMA is a membrane antigen that is specifically expressed on the surface of prostate cancer cells. HYNIC-PSMA can be used in prostate cancer research. HYNIC-PSMA can be used for the synthesis/research of Radionuclide-Drug Conjugates (RDCs).