Results 21 to 30 of about 7,389 (203)

Specific MRP4 Inhibitor Ceefourin-1 Enhances Apoptosis Induced by 6-Mercaptopurine in Jurkat Leukemic Cells, but Not in Normal Lymphoblast Cell Line CRL-1991

open access: yesMedicina, 2022
Background and objectives: The multidrug resistance protein 4 (MRP4) is a member of the ABC transporter, which has been extensively related to many types of cancer including leukemia.
Edgardo Becerra   +3 more
doaj   +1 more source

Inhibition of MRP4 prevents and reverses pulmonary hypertension in mice [PDF]

open access: yesJournal of Clinical Investigation, 2011
Multidrug resistance-associated protein 4 (MRP4, also known as Abcc4) regulates intracellular levels of cAMP and cGMP in arterial SMCs. Here, we report our studies of the role of MRP4 in the development and progression of pulmonary arterial hypertension (PAH), a severe vascular disease characterized by chronically elevated pulmonary artery pressure and
Hara, Yannis   +8 more
openaire   +3 more sources

Discovery of novel multidrug resistance protein 4 (MRP4) inhibitors as active agents reducing resistance to anticancer drug 6-Mercaptopurine (6-MP) by structure and ligand-based virtual screening. [PDF]

open access: yesPLoS ONE, 2018
Multidrug resistance protein 4 (MRP4/ABCC4) is an ATP-binding cassette (ABC) transporter. It is associated with multidrug resistance (MDR), which is becoming a growing challenge to the treatment of cancer and infections.
Ya Chen   +5 more
doaj   +1 more source

Mrp4−/− mice have an impaired cytoprotective response in obstructive cholestasis [PDF]

open access: yesHepatology, 2006
Mrp4 is a member of the multidrug resistance–associated gene family that is expressed on the basolateral membrane of hepatocytes and undergoes adaptive upregulation in response to cholestatic injury or bile acid feeding.
Albert, Mennone   +7 more
openaire   +2 more sources

Interaction of Oxazaphosphorines with Multidrug Resistance-Associated Protein 4 (MRP4) [PDF]

open access: yesThe AAPS Journal, 2010
Multidrug resistance-associated protein 4 (MRP4) is an organic anion efflux pump capable of transporting nucleoside, nucleotide analogs, and cyclic nucleotide. MRP4 could have an influence on the resistance and transport of the two oxazaphosphorines, cyclophosphamide (CP) and ifosfamide (IF).
Zhang, J., Ng, K.-Y., Ho, P.C.
openaire   +2 more sources

Characterization of Formononetin Sulfonation in SULT1A3 Overexpressing HKE293 Cells: Involvement of Multidrug Resistance-Associated Protein 4 in Excretion of Sulfate

open access: yesFrontiers in Pharmacology, 2021
Formononetin is one of the main active compounds of traditional Chinese herbal medicine Astragalus membranaceus. However, disposition of formononetin via sulfonation pathway remains undefined.
Fanye Liu   +10 more
doaj   +1 more source

Multiple blood-brain barrier transport mechanisms limit bumetanide accumulation, and therapeutic potential, in the mammalian brain [PDF]

open access: yes, 2017
There is accumulating evidence that bumetanide, which has been used over decades as a potent loop diuretic, also exerts effects on brain disorders, including autism, neonatal seizures, and epilepsy, which are not related to its effects on the kidney but ...
Erker, Thomas   +7 more
core   +2 more sources

Forskolin Modifies Retinal Vascular Development inMrp4-Knockout Mice [PDF]

open access: yesInvestigative Opthalmology & Visual Science, 2012
Multidrug resistance protein 4 (MRP4) effluxes a wide variety of endogenous compounds, including cyclic adenosine monophosphate (cAMP), and is exclusively expressed in vascular endothelial cells (ECs) of the retina. This study aimed to investigate the role of MRP4 in retinal vascular development.The retinal vascular phenotype of Mrp4(-/-) mice was ...
Wataru, Matsumiya   +7 more
openaire   +2 more sources

Albumin-bound kynurenic acid is an appropriate endogenous biomarker for assessment of the renal tubular OATs-MRP4 channel

open access: yesJournal of Pharmaceutical Analysis, 2023
Renal tubular secretion mediated by organic anion transporters (OATs) and the multidrug resistance-associated protein 4 (MRP4) is an important means of drug and toxin excretion. Unfortunately, there are no biomarkers to evaluate their function.
Yanrong Ma   +5 more
doaj   +1 more source

Targeting MRP4 expression by anti-androgen treatment reverses MRP4-mediated docetaxel resistance in castration-resistant prostate cancer

open access: yesOncology Letters, 2017
It has been demonstrated that docetaxel (DTX) may improve the overall survival of patients with castration-resistant prostate cancer (CRPC). However, its effectiveness is limited with time, and tumor escape is eventually inevitable. DTX resistance is the main reason for the failure of chemotherapy for CRPC.
Yun-Fei, Li   +5 more
openaire   +3 more sources

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