mrp4 vesicle kit
SKU: 50982309240

mrp4 vesicle kit

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Description

mrp4 vesicle kitHuman MRP4 Vesikel Kit Inside Out Membranvesikel fr renale proximale Tubuli und Nukleotid Transportstudien Das Human MRP4 Vesikel Kit (HEK293 abgeleitet) liefert gebrauchsfertige Inside Out Membranvesikel fr ATP abhngige Transportstudien von MRP4 (ABCC4). MRP4 wird in renalen proximalen Tubuli, Hepatozyten, Thrombozyten und der Blut Hirn Schranke exprimiert. Es verarbeitet ein breites Spektrum an Substraten einschlielich zyklischer Nukleotide,

Human MRP4 Vesikel-Kit – Inside-Out-Membranvesikel für renale proximale Tubuli und Nukleotid-Transportstudien

Das Human MRP4 Vesikel-Kit (HEK293-abgeleitet) liefert gebrauchsfertige Inside-Out-Membranvesikel für ATP-abhängige Transportstudien von MRP4 (ABCC4). MRP4 wird in renalen proximalen Tubuli, Hepatozyten, Thrombozyten und der Blut-Hirn-Schranke exprimiert. Es verarbeitet ein breites Spektrum an Substraten einschließlich zyklischer Nukleotide, Prostaglandine, Urat und nukleotidanaloger antiviraler und onkologischer Arzneimittel — was es besonders wichtig für die renale DDI-Risikobewertung und antivirale Arzneimittelentwicklung macht.

Transporterprofil

MRP4 (ABCC4) transportiert zyklische Nukleotide (cAMP, cGMP), Prostaglandine, Urat, Glutathionkonjugate und Nukleotidanaloga. Es wird in der apikalen Membran des renalen proximalen Tubulus (beiträgt zur renalen Ausscheidung), der hepatischen basolateralen Membran und Thrombozyten (reguliert Thromboxan-A₂/cAMP-Signaling) exprimiert. Wichtige Substrate: PMEA (Adefovir), Methotrexat, cAMP, cGMP, Leucovorin. Besonders relevant für antivirale Nukleosidanaloga (Tenofovir, Adefovir, Cidofovir).

Technische Spezifikationen

ParameterSpezifikation
TransporterHuman MRP4 (Multidrug Resistance-Associated Protein 4) (ABCC4)
ExpressionssystemHEK293 (transiente Überexpression)
VesikeltypInside-Out-Membranvesikel
Reaktionen pro Kit100
ATP/AMP-Transportverhältnis>5
DetektionskompatibilitätRadiolabel, LC-MS/MS
Lagerung−80 °C (Lieferung auf Trockeneis)
Kit-InhaltVesikel, ATP, AMP, Reaktionspuffer, Waschpuffer, CoA
HerstellerCell4Pharma (Netherlands)
Distributor DACHSeamlessBio GmbH, Passau

Anwendungsgebiete

AnwendungBeschreibung
Antivirale Arzneimittel renale AusscheidungsstudienNukleotidanaloge Antivirale (Tenofovir, Adefovir, Cidofovir) sind MRP4-Substrate. MRP4-Hemmungsstudien bewerten das DDI-Risiko für renale Akkumulation und Nephrotoxizität.
Renale DDI-RisikobewertungMRP4 an der apikalen Membran des renalen proximalen Tubulus vermittelt die renale Arzneimittelausscheidung. Hemmung kann zu renaler Substratakkumulation führen — relevant für Dosisanpassung und Kombinationstherapie.
Prostaglandin/zyklischer Nukleotid-EffluxProstaglandine (PGE₁, PGE₂) sind endogene MRP4-Substrate. MRP4-Hemmung in Thrombozyten kann cAMP-Spiegel verändern und die Thrombozytenaktivierung beeinflussen.

Assay-Prinzip

Inside-Out-Membranvesikel präsentieren die zytoplasmatische Seite des Transporters dem Assaypuffer und ermöglichen so ATP-abhängige Substrataufnahme in das Vesikelinnere. Vesikel mit Testverbindung und Probesubstrat in Gegenwart von ATP (Transport) oder AMP (Hintergrundkontrolle) inkubieren. Reaktion mit kaltem Waschpuffer stoppen, Vesikel durch Filtration trennen und akkumuliertes Substrat per LC-MS/MS, Radiolabel oder Fluoreszenz quantifizieren. Das ATP/AMP-Verhältnis bestimmt das Assay-Fenster für die zuverlässige IC₅₀-Bestimmung.

Komplettes Cell4Pharma Kit-Portfolio bei SeamlessBio

Alle ABC-Transporter-Vesikel-Kits aus einer europäischen Quelle — schnelle Kühlkettenlieferung, garantierte ATP/AMP-Verhältnisse, vollständige Dokumentation.

KitTransporterGenATP/AMP-Verhältnis
Human BCRP Vesicle KitBCRPABCG2>10
Human BSEP Vesicle KitBSEPABCB11>10
Human MRP1 Vesicle KitMRP1ABCC1>5
Human MRP2 Vesicle KitMRP2ABCC2>20
Human MRP3 Vesicle KitMRP3ABCC3>5
Human MRP4 Vesicle KitMRP4ABCC4>5
Human MRP5 Vesicle KitMRP5ABCC5>5
Human MRP8 Vesicle KitMRP8ABCC11>5
Human Pgp Vesicle KitP-gp / MDR1ABCB1>5
Human Pgp + FluoPgp KitP-gp / MDR1ABCB1>5
Human Control Vesicle KitHEK293 empty vector

Qualität & Regulatorische Konformität

  • Produziert von Cell4Pharma — Spezialhersteller für ABC-Transporter-Vesikelsysteme
  • Garantiertes ATP/AMP-Transportverhältnis >5 pro Charge
  • Große, einheitliche Chargen — maximale Lot-zu-Lot-Konsistenz
  • Chargenspezifischer QC-Bericht + Datenblatt bei jedem Kit inklusive
  • Konform mit FDA DDI Guidance (2020) und EMA DDI Guideline (2013/2022)

Warum über SeamlessBio bestellen?

VorteilBeschreibung
✅ EU-LagerverfügbarkeitSchnelle Kühlkettenlieferung in Deutschland, Österreich, Schweiz und der EU
✅ DirektkontaktDirekter Kontakt zum Fachberater — auf Deutsch oder Englisch
✅ Vollständige DokumentationDatenblatt, QC-Bericht und Rechnung bei jeder Lieferung
✅ ChargenreservierungSpezifische Charge für die gesamte Projektlaufzeit reservieren
✅ Komplettes PortfolioAlle 11 Cell4Pharma Kits aus einer Quelle — BCRP, BSEP, MRP1–8, Pgp, Kontrolle

Bestellung oder Preisanfrage: [email protected] | +49 851 37932226

Häufige Fragen

Ist MRP4 für bestimmte Arzneimittelklassen besonders relevant?

Ja — MRP4 ist am wichtigsten für: (1) Nukleotidanaloge Antivirale (Tenofovir, Adefovir, Cidofovir), wo renales MRP4 Ausscheidung und DDI-Risiko vermittelt, (2) NSAIDs und COX-Inhibitoren über Prostaglandin-Efflux, und (3) Methotrexat und Antifolate.

Shipping Notes
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
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SKU: 50982309240

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4.9 ★★★★★
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NLB
Omaha, US
★★★★★ 5
Interesting
Format: Kindle
So I will say I enjoyed the story, for sure had its moments where it dragged but it was a great story. I really liked that omegas picked their alphas/make the pack. Normally the Alphas make it and the omega fits in with them which is great but I enjoyed this new version where all the power basically went to the omega. It was a nice change of pace. I can admit some of the weird bedroom stuff with her being pregnant was odd, it’s really not hard to do stuff when pregnant (I know I’ve had two and it’s normal and even encouraged at the end especially if you want the baby out). But I like the story as a whole and will read the second, I do hope the next one isn’t dragged bc it stopped being action or tense after she met her alphas and I don’t think it was brought up or properly done when they tried to do it. More sweet after she left.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 11, 2024
A
Verified Purchase
Altairjones
Pawtucket, US
★★★★★ 3
I’m a little disappointed.
Format: Kindle
I usually like Jillian West’s books but this one was missing a lot for me. The pregnancy didn’t come across as real. She’s on her feet for 12 hour days but is perfectly healthy at 8 months pregnant? Yet the week she moves in all of a sudden she’s not? She is planning on actually running during one of the plot buildups. But at 8 months pregnant that’s incredibly hard to do. The lack of breathing ability and lung space, the change in body center, mass, and gravity. All of it prohibits running, unless you’re an athlete this didn’t come off as at all realistic. I didn’t feel any connection with the alphas. There wasn’t any emotional connection. It could be because of the tense it was written in. But I didn’t get any deep feelings out of this. It came across as checking off boxes. Even the spicy scenes weren’t really believable for me. I wanted to see them fall for her, and it just kind of all fizzled. Even Bishop. One thing I did really like was the ending. I did not see it coming and I’m interested in reading book two because of it. But on the whole this book was mostly disappointing for me.
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Reviewed in the United States on March 16, 2024
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Verified Purchase
Melissa Williams
Pawtucket, US
★★★★★ 4
4.25 stars
Format: Kindle
Vale is an 8 month pregnant omega working as a waitress at a strip club and a cam girl. She starts to get very creepy vibes from a regular at the club, and her baby daddy ghosted her. She has had an online relationship with a man named Bishop through her cam girl status. One night, bishop was paying to watch her sleep and ansthe creepy regular Andrew break in and watch her sleep he tells vale to come to him at his business now. She flees and finds herself at a large security company with some.hot of alphas who are there to help her. This imegaverse is a little different than I have read, but I am thoroughly enjoying it. Vale is not a traditional omega she was raised by a single beta mom, and the alphas are not normal alphas they have never really loved pack life. But they are ruthless mercenaries. They need her, and she needs them. I love the aspect of the stalker and now the plot twists at the end, so so good. Sometimes, it seemed a little slow and stale mated, but since this a duet, I think It was just her starting to have Vale get to know her alpha suitors. Cliffhanger for sure with this one.
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Reviewed in the United States on September 9, 2024
A
Verified Purchase
Austin & Cambria
Charlottesville, US
★★★★★ 5
That ending 😫
Format: Kindle
I fell into a false sense of security and really thought this was gearing towards a happy ending. Then I realized there’s no work they don’t punish Andrew. I really liked Vale’s character. I don’t normally read books with pregnancy but going into this knowing she was pregnant made it more enjoyable for me. I loved Bishops devotion to her and her happiness. I also loved that Holt and Mercy couldn’t fight their attraction to her. I love scent matches so very much. I’m so curious to see how this duet will end up. And I need to pay more attention and notice that a book I’m starting is a duet to begin with lol
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Reviewed in the United States on February 21, 2025
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Sarah A
Carnegie, US
★★★★★ 5
oh wow
Format: Kindle
I just knew there was something about Cooper! I’m wondering if he’s about to be included but damn I’m glad he’s at least not a rapist and creepy guy, he just got called on assignment and had to go! This should be interesting! She’s gonna run and then what’s his face is gonna grab her. I’m worried! Wow that was a great book and cliffhanger! Loving this!
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Reviewed in the United States on December 27, 2025

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