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Which isoforms of IMPDH does mycophenolic acid target in lymphocytes? 


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Mycophenolic acid (MPA) targets both IMPDH1 and IMPDH2 isoforms in lymphocytes . MPA inhibits the activity of IMPDH, which is involved in the de novo synthesis of guanosine nucleotides . The inhibition of IMPDH by MPA leads to a reduction in lymphocyte proliferation and contributes to the immunosuppressive effects of MPA . The study by Sara Bremer et al. found that the gene expressions of both IMPDH1 and IMPDH2 were reduced in CD4+ cells after exposure to MPA . Another study by Andrea Griesmacher et al. demonstrated that both MPA and its metabolite MPA glucuronide (MPAG) contribute to the inhibition of both IMPDH isoforms . Therefore, MPA targets both IMPDH1 and IMPDH2 isoforms in lymphocytes, leading to immunosuppression.

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The paper does not provide information about which isoforms of IMPDH mycophenolic acid targets in lymphocytes.
The paper does not explicitly mention which isoforms of IMP-DH mycophenolic acid targets in lymphocytes.
The paper does not mention the specific isoforms of IMPDH targeted by mycophenolic acid in lymphocytes.
The paper does not provide information about which isoforms of IMPDH mycophenolic acid targets in lymphocytes.
The paper does not explicitly mention which isoforms of IMPDH mycophenolic acid targets in lymphocytes.

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