2. Signaling Pathways
  3. GPCR/G Protein
  4. Adenosine Receptor
  5. Adenosine A1 receptor (A1R) Isoform
  6. Adenosine A1 receptor (A1R) Antagonist

Adenosine A1 receptor (A1R) Antagonist

Adenosine A1 receptor (A1R) Antagonists (28):

Cat. No. Product Name Effect Purity
  • HY-14858
    Derenofylline
    		Antagonist 99.93%
    Derenofylline (SLV 320) is a potent, selective and orally active adenosine A1 receptor antagonist, with Ki values of 1 nM, 200 nM and 398 nM for human A1, A3 and A2A receptors respectively. Derenofylline suppresses cardiac fibrosis and attenuates albuminuria without affecting blood pressure in rats.
  • HY-103175
    PSB36
    		Antagonist 99.94%
    PSB36 is a highly selective A1 adenosine receptor antagonist, with a Ki of 0.12 nM and a Kd of 0.7 nM. Systemic administration of PSB36 reduces formalin- and Carrageenan (HY-125474)-induced edema in mice and decreases pain-related behaviors, with no local paw activity. PSB36 prolongs the APD90 of rat and human atria, produces a frequency-dependent prolongation of rat atrial ERP, increases the diastolic threshold of rat atria, and shortens the duration of atrial fibrillation episodes. PSB36 can be used in research related to inflammatory pain, inflammatory hyperalgesia, edema and atrial fibrillation.
  • HY-116800
    FR194921
    		Antagonist 98.10%
    FR194921 is a potent, selective and orally active and cross the blood-brain barrier Adenosine A1 antagonist with Ki value of 6.6, 5400 nM for A1, A2A, respectively. FR194921 shows cognitive-enhancing and anxiolytic activity.
  • HY-182340
    KF20274
    		Antagonist
    KF20274 is an orally active adenosine A1 receptor antagonist. KF20274 increases the fecal pellet output in rats, and does not affect small intestinal propulsion or gastric emptying at defecation-increasing doses. KF20274 does not induce diarrhea at defecation-increasing doses. KF20274 can be used for the research of constipation.
  • HY-103174
    MRS1334
    		Antagonist 98.93%
    MRS1334 is a potent and selective human adenosine A3 receptor antagonist with Kis of 2.69 nM, >100 nM, >100 nM for hA3, rA1, rA2A, respectively. MRS1334 blocks the protective effect of Cl-IB-MECA leading to significant bradycardia and elevated ST segment. MRS1334 is a click chemistry reagent, it contains an Alkyne group and can undergo copper-catalyzed azide-alkyne cycloaddition (CuAAc) with molecules containing Azide groups.
  • HY-147545
    A1AR antagonist 6
    		Antagonist 98.13%
    A1AR antagonist 6 (compound 15) is a potent and selective A1AR (A1 adenosine receptor) antagonist, with a pIC50 of 6.38 and a pKi of 7.13.
  • HY-W004425
    DMPX
    		Antagonist 99.66%
    DMPX (3,7-Dimethyl-1-propargylxanthine) is a selective A2A adenosine receptor (A2A AR) antagonist that crosses the blood-brain barrier, with a Ki of 11 μM for rat A2 adenosine receptor and a Ki of 45 μM for rat A1 adenosine receptor. By blocking A2A receptors in specific brain regions, DMPX protects dopaminergic and GABAergic neurons from mitochondrial dysfunction. DMPX is applicable to research related to depression, Parkinson's disease and Huntington's disease.
  • HY-148076
    A2A receptor antagonist 3
    		Antagonist 99.46%
    A2A receptor antagonist 3 (Example 92) is an adenosine A2a receptor antagonist with a Ki of 0.4 nM. A2A receptor antagonist 3 also binds to A2b, A1 and A3 receptor with Kis of 37, 107 and 1467 nM, respectively.
  • HY-147544
    A1AR antagonist 5
    		Antagonist
    A1AR antagonist 5 (compound 20) is a potent and selective A1AR (A1 adenosine receptor) antagonist, with a pIC50 of 5.83 and a pKi of 6.11.
  • HY-147543
    A1AR antagonist 4
    		Antagonist
    A1AR antagonist 4 (compound 22) is a potent and selective A1AR (A1 adenosine receptor) antagonist, with a pIC50 of 5.51 and a pKi of 6.29.
  • HY-111295
    LAS38096
    		Antagonist
    LAS38096 is a potent, selective, and efficacious A2B Adenosine Receptor antagonist, with a Ki of 17 nM.
  • HY-W782550
    FK-352
    		Antagonist
    FK-352 is a selective adenosine A1 receptor antagonist. FK-352 significantly improves intradialytic hypotension in chronic hemodialysis. FK-352 can be used for the study of intradialytic hypotension.
  • HY-179248
    Adenosine receptor antagonist 7
    		Antagonist
    Adenosine receptor antagonist 7 is an orally active triple A1/A2A/A2B adenosine receptor antagonist with Ki values of 1.5, 0.6 and 21 nM. Adenosine receptor antagonist 7 shows potent inhibitory activity (IC50 = 0.8 nM) of cAMP production in A2AR-HEK293 cells. Adenosine receptor antagonist 7 can enhance infiltration of effector T cells and increase the CD8+/Treg ratio companied with Avelumab (HY-108730). Adenosine receptor antagonist 7can be used for the research of cancer, such as colon cancer.
  • HY-175487
    A2AAR antagonist 4
    		Antagonist
    A2AAR antagonist 4 is an orally active A2A Adenosine receptor antagonist with a Ki of 0.36 nM and a KB of 1 nM at hA2AAR. A2AAR antagonist 4 fully inhibits hA2AAR and hA2bAR at 10 μM. A2AAR antagonist 4 can be used for research of cancer, such as MC38 tiumor.
  • HY-120652
    A3AR antagonist 3
    		Antagonist
    A3AR antagonist 3 (compound 21) is a selective A3 adenosine receptor (A3AR) antagonist with a Ki of 37 nM. A3AR antagonist 3 shows >60-fold selectivity in comparison to A1 and A2A adenosine receptors.
  • HY-183599
    MK-1088
    		Antagonist
    MK-1088 is an orally active A2A/A2B adenosine receptor antagonist with human A2A Ki of 0.31 nM, human A2B Ki 5.3 nM. MK-1088 blocks receptor downstream signaling, inhibits CREB phosphorylation and reverses adenosine-mediated immunosuppression. MK-1088 restores TNF−α release and enhances tumor immune surveillance. MK-1088 can be used for the research of cancer[1].
  • HY-167905
    ATL444
    		Antagonist
    ATL444 is a adenosine receptor antagonist, with Ki values of 7.0, 2.5, 61.8, >1000 nM for rA1AR, rA2AAR, rA2BAR, rA3AR, respectively.
  • HY-146979
    hA2A/hCA XII modulator 1
    		Antagonist
    hA2A/hCA XII modulator 1 (compound 14), a triazolopirazine, is a potent hA2A adenosine receptor (hA2AAR) antagonist with Kis of 6.4 nM, 4.819 μM, >30 μM for hA2AAR, hA1AR, hA3AR, respectively. hA2A/hCA XII modulator 1 is a potent human carbonic anhydrase XII (hCA XII) inhibitor with Kis of 6.2 nM, 46 nM, 466 nM, 8.351 μM for hCA XII, hCA II, hCA IX and hCA I, respectively. hA2A/hCA XII modulator 1 has the potential for cancer research.
  • HY-175195
    Adenosine receptor antagonist 6
    		Antagonist
    Adenosine receptor antagonist 6 is an orally active and selective A2A adenosine receptor (A2AAR) antagonist, with a Ki of 19.18 nM. Adenosine receptor antagonist 6 inhibits 5’-N-ethylcarboxamide adenosine (NECA) (HY-103173)-mediated cAMP production (IC50 = 0.089 μM) and immunosuppression, while promoting IL-2 and IFN-γ secretion. Adenosine receptor antagonist 6 abolishes the immunosuppressive effects of adenosine on T-cell activation and cytokine release. Adenosine receptor antagonist 6 inhibits tumor growth in a CT26/MC38 xenograft model. Adenosine receptor antagonist 6 can be used for the study of colon cancer.
  • HY-179671
    A3AR antagonist 6
    		Antagonist
    A3AR antagonist 6 (Compound 5p) is a selective A3AR antagonist with a Ki of 6.8 nM. A3AR antagonist 6 can be used in tumor research.