Discover and read the best of Twitter Threads about #belatacept

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Images of Infectious Diseases

6 mo post-tx: H&E (400x) of cervical biopsy of 46F s/p living unrelated donor kidney tx for adult PCKD.

Belatacept. MMF. Prednisone.
Acute cellular + antibody-mediated rejection.

CMV D+/R-. valganciclovir prophylaxis.

DDx / Rx? #MayoIDQ next Image
Case diagnosis: breakthrough CMV disease with cervicitis

H&E intranuclear / intracytoppasmic inclusions within endothelial cells in ectocervical stroma.

Immunohistochemistry stain for CMV shows infected endothelial cells with CMV inclusions.… Image
#MayoIDQ Breakthrough CMV disease, while receiving valGCV prophylaxis, is concerning for over-immunosuppression, under-dosing of val GCV, and/or drug-resistant virus.

If gene sequencing shows the most common CMV gene mutation, what drug would be recommended Rx?
Read 9 tweets

Another #immunosuppression #tweetorial...spotlight today on #belatacept today

How do you say it? @Babybel @MedTweetorials

Belatacept is the FUSION protein that has been the @NKOTB in #kidneytransplant - having been approved for use in 2011.

What's fused?

1. Human IgG1 Fc fragment
2. Extracellular domain of cytotoxic T-lymphocyte–associated antigen 4 (CTLA-4)

The goal of this fusion protein? Disrupt Signal 2⃣ of the 3⃣-Signal T-cell activation pathway

Signal 2 = Binding of CD28 (on T-cell) to B7-1/B7-2 (on APC)

This important step is called co-stimulation and is necessary for T-cell activation…
Read 11 tweets

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