Last update 19 Sep 2024

ABCC2

Last update 19 Sep 2024

Basic Info

Synonyms

ABCC2, ATP binding cassette subfamily C member 2, ATP-binding cassette sub-family C member 2

+ [9]

Introduction

ATP-dependent transporter of the ATP-binding cassette (ABC) family that binds and hydrolyzes ATP to enable active transport of various substrates including many drugs, toxicants and endogenous compound across cell membranes. Transports a wide variety of conjugated organic anions such as sulfate-, glucuronide- and glutathione (GSH)-conjugates of endo- and xenobiotics substrates (PubMed:10220572, PubMed:10421658, PubMed:11500505, PubMed:16332456). Mediates hepatobiliary excretion of mono- and bis-glucuronidated bilirubin molecules and therefore play an important role in bilirubin detoxification (PubMed:10421658). Mediates also hepatobiliary excretion of others glucuronide conjugates such as 17beta-estradiol 17-glucosiduronic acid and leukotriene C4 (PubMed:11500505). Transports sulfated bile salt such as taurolithocholate sulfate (PubMed:16332456). Transports various anticancer drugs, such as anthracycline, vinca alkaloid and methotrexate and HIV-drugs such as protease inhibitors (PubMed:10220572, PubMed:11500505, PubMed:12441801). Confers resistance to several anti-cancer drugs including cisplatin, doxorubicin, epirubicin, methotrexate, etoposide and vincristine (PubMed:10220572, PubMed:11500505).

Drugs associated with ABCC2

BT-051

Target

ABCC2 x FPR1

Mechanism

ABCC2 inhibitors [+1]

Active Org.

UMass Chan Medical School [+4]

Originator Org.

Bacainn Therapeutics Inc

Active Indication

Inflammatory Bowel Diseases [+1]

Inactive Indication-

Drug Highest PhasePhase 2

First Approval Ctry. / Loc.-

First Approval Date20 Jan 1800

Clinical Trials associated with ABCC2

NCT05084261 / CompletedPhase 1

A Multicenter, Randomized, Placebo-Controlled, Multiple-Ascending-Dose Investigation of the Oral Anti-Inflammatory Agent BT051 in Subjects With Moderately to Severely Active Ulcerative Colitis (UC)

This is a randomised, double-blind, placebo-controlled study to assess the safety and tolerability of multiple ascending doses of BT051 in subjects with moderately to severely active ulcerative colitis. Subjects will be randomised using a 3 active:1 placebo ratio to 3 ascending dose cohorts of 8 subjects and will be dosed daily for 28 days. The 3 initial dose levels will be 200 mg, 800 mg and 3200 mg per day. Progression to the next cohort will be based on the safety and tolerability of the previous cohort.

Start Date30 Nov 2021

Sponsor / Collaborator

Adiso Therapeutics, Inc.

NCT05103878 / CompletedPhase 1

A Phase 1, Randomized, Double-Blind, Single-Ascending-Dose Study Evaluating the Safety, Tolerability, and Pharmacokinetics of BT051 in Healthy Subjects

This is a randomized, double-blind, placebo-controlled study to assess the safety and tolerability of single ascending doses of BT051 in healthy male or female volunteers aged 18 to <50 years. A total of 50 subjects will be randomized to receive a single oral dose of BT051 or matching placebo in a ratio of 4 active:1 placebo in 5 ascending dose cohorts (10 subjects per cohort) at active dose levels of 100mg, 300mg, 700mg, 1500mg or 3500mg. The study Safety Review Committee (SRC) will evaluate if any dose-limiting adverse events (AEs) occurred in a cohort through Day 3, as well as review cumulative safety data for all previous cohorts and any available pharmacokinetic (PK) data before proceeding to dosing in the next cohort.

Start Date24 Jun 2020

Sponsor / Collaborator

Bacainn Therapeutics, Inc.Startup

100 Clinical Results associated with ABCC2

100 Translational Medicine associated with ABCC2

0 Patents (Medical) associated with ABCC2

2,442

Literatures (Medical) associated with ABCC2

01 Oct 2024·Science of The Total Environment

Cenococcum geophilum impedes cadmium toxicity in Pinus massoniana by modulating nitrogen metabolism

Article

Author: Zhang, Yuhu ; Alonazi, Madeha A ; Zhang, Panpan ; Xie, Rongzhang ; Alwathnani, Hend ; Pang, Wenbo ; Rensing, Christopher ; Zhang, Taoxiang

Nitrogen (N) is of great significance to the absorption, distribution and detoxification of cadmium (Cd). Ectomycorrhizal fungi (EMF) are able to affect the key processes of plant N uptake to resist Cd stress, while the mechanism is still unclear. Therefore, we explored potential strategies of Cenococcum geophilum (C. geophilum) symbiosis to alleviate Cd stress in Pinus massoniana (P. massoniana) from the perspective of plant N metabolism and soil N transformation. The results showed that inoculation of C. geophilum significantly increased the activities of NR, NiR and GS in the shoots and roots of P. massoniana, thereby promoting the assimilation of NO₃^- and NH₄⁺ into amino acids. Moreover, C. geophilum promoted soil urease and protease activities, but decreased soil NH₄⁺ content, indicating that C. geophilum might increase plant uptake of soil inorganic N. qRT-PCR results showed that C3 symbiosis significantly up-regulated the expression of genes encoding functions involved in NH₄⁺ uptake (AMT3;1), NO₃^- uptake (NRT2.1, NRT2.4, NRT2.9), as well as Cd resistance (ABCC1 and ABCC2), meanwhile down-regulated the expression of NRT7.3, Cd transporter genes (HMA2 and NRAMP3) in the roots of P. massoniana seedlings. These results demonstrated that C. geophilum was able to alleviate Cd stress by increasing the absorption and assimilation of inorganic N in plants and inhibiting the transport of Cd from roots to shoots, which provided new insights into how EMF improved host resistance to abiotic stress.

01 Oct 2024·Journal of Ethnopharmacology

Metabonomics and pharmacodynamics studies of Gentiana radix and wine-processed Gentiana radix in damp-heat jaundice syndrome rats

Article

Author: Liu, Yuhan ; Lv, Xin ; Liu, Yangzhi ; Liu, Shujing ; Qu, Yang ; Cai, Qian

ETHNOPHARMACOLOGICAL RELEVANCEGentiana radix (GR) and wine-processed Gentiana radix (WGR) have been commonly used in folk medicine for the treatment of bile or liver disorders, including jaundice, hepatitis, swelling and inflammation for thousands of years. However, the therapeutic effects of gentian root (GR) and wine-made gentian root (WGR) treatment on damp-heat jaundice syndrome (DHJS) have not been studied in animal experiments.AIM OF THE STUDYThis study aimed to investigate the protective effects and mechanisms of GR and WGR on DHJS in rats.MATERIALS AND METHODSIn a high-fat and high-sugar diet in a humidified hot environment, hepatic injury induced by giving alpha-naphthalene isothiocyanate (ANIT) in rats were used as a DHJS model. Histological analysis, enzyme-linked immunosorbent assay (ELISA), PCR analysis, and metabolomics were used to elucidate the mechanism of GR and WGR for DHJS.RESULTSThe results indicated that GR and WGR affected DHJS by inhibiting the release of aspartate aminotransferase (AST), alanine aminotransferase (ALT), alkaline phosphatase (ALP), direct bilirubin (D-BIL), total bilirubin (TBIL), total bile acid (TBA), malondialdehyde (MDA), glutathione S-transferase (GST) (P < 0.05). In addition, they significantly reduced the gene expression levels of Na+/taurocholate cotransporting polypeptide (NTCP), bile salt export pump (BESP), multidrug resistance-associated protein 2 (MRP2) and multidrug resistance-associated protein 3 (MRP3) (P < 0.05). The WGR group improved the above function indicators better than the GR group. GR and WGR could restore 11 potential biomarkers in rats with DHJS tended to return to normal levels, these biomarkers were involved in arachidonic acid metabolism, steroid hormone biosynthesis, biosynthesis of unsaturated fatty acids, porphyrin and chlorophyll metabolism, retinol metabolism, arginine biosynthesis. The results of the metabolic pathway showed that WGR was significantly better than GR in the improvement of porphyrin and chlorophyll metabolism.CONCLUSIONSThese findings suggest that treatment with GR and WGR has a beneficial effect on DHJS in rats, the major mechanisms may be involved in improving functional indicators of the body and endogenous metabolism, and WGR is more effective than GR. It provides important evidence for the clinical application of GR and WGR in the treatment of DHJS.

04 Sep 2024·Antimicrobial Agents and Chemotherapy

Pharmacogenetic determinants of tenofovir diphosphate and lamivudine triphosphate concentrations in people with HIV/HBV coinfection

Article

Author: Tantawy, Marwa ; Bae, Jihyun ; Anderson, Peter L. ; Kwara, Awewura ; Gong, Yan ; Ganu, Vincent ; Yang, Hongmei ; Tachi, Kenneth ; Boamah, Isaac ; Bushman, Lane R. ; Ojewale, Oluwayemisi ; Lartey, Margaret ; Ellison, Lucas ; Obo-Akwa, Adjoa ; Langaee, Taimour

ABSTRACT The nucleos(t)ide analogs require phosphorylation to the pharmacologically active anabolites in cells. We investigated the hypothesis that single-nucleotide polymorphisms (SNPs) in genes that encode transporters and phosphodiesterase (PDE) enzymes involved in tenofovir (TFV), disoproxil fumarate (TDF), and lamivudine (3TC) disposition will be associated with concentrations of their phosphate anabolites and virologic response. Individuals with human immunodeficiency virus (HIV) and hepatitis B virus (HBV) coinfection receiving TDF/3TC-containing antiretroviral therapy were enrolled. Steady-state TFV diphosphate (TFV-DP) and 3TC triphosphate (3TC-TP) concentrations in peripheral blood mononuclear cells (PBMCs) and dried blood spot samples were quantified. The relationship between genetic variants and TFV-DP and 3TC-TP concentrations as well as with virologic response were examined using multivariable linear regression. Of the 136 participants (median age 43 years; 63% females), 6.6% had HBV non-suppression, and 7.4% had HIV non-suppression. The multidrug resistance protein 2 (encoded by ABCC2 rs2273697) SNP was associated with 3TC-TP concentrations in PBMCs. The human organic anion transporter-1 (encoded by SLC28A2 ) rs11854484 SNP was associated with HIV non-suppression, and when evaluated together with SNPs with marginal associations ( ABCC2 rs717620 and PDE1C rs30561), participants with two or three variants compared to those with none of these variants had an adjusted odds ratio of 48.3 (confidence interval, 4.3–547.8) for HIV non-suppression. None of the SNPs were associated with HBV non-suppression. Our study identified ABCC2 SNP to be associated with 3TC-TP concentrations in PBMCs. Also, a combination of genetic variants of drug transporters and PDE was associated with HIV non-suppression.

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