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  1. Fulltext Comparison of Non-Operative Mesotherapy and Surgery in the Management of Superficial Lipomas
    Kataria K, Venkatesh M, Chumber S, Rathore Y, Srivastava A, Dhar A, et al.
    Malays J Med Sci, 2021 Feb;28(1):51-58.
    PMID: 33679220 DOI: 10.21315/mjms2021.28.1.7
    Background: Lipomas are benign adipocytic tumours. Surgical excision is the gold standard for treating such lipomas, but it results in unaesthetic scarring.

    Methods: A total of 126 patients were randomised into two groups. The patients in Group A underwent mesotherapy (n = 66) and those in Group B underwent surgery (n = 60). The patients in Group A group received six sessions of mesotherapy treatment at 2-week intervals. Both groups were followed up for 12 weeks, during which they were assessed for complications arising from treatment, reduction of the size of the lipoma and cosmetic outcomes.

    Results: The overall mean age of the patients was 32.93 (± 10.1) years old and the mean volume of the lipomas was 2.29 (± 3.8) mL. A 55.86% (P = 0.0032) mean reduction in the volume of lipomas was noted in the patients who received mesotherapy, while one patient showed a gain of 16% by volume. The patients in Group A (cosmetic score ≥ 4: 63%) were happier with the treatment than those in Group B (cosmetic score ≥ 4: 21%).

    Conclusion: Our findings indicate that mesotherapy modestly reduces the volume of lipomas with very few and minor complications and excellent cosmetic outcomes.

  2. Fulltext Influenza virus NS1- C/EBPβ gene regulatory complex inhibits RIG-I transcription
    Kumari R, Guo Z, Kumar A, Wiens M, Gangappa S, Katz JM, et al.
    Antiviral Res, 2020 Apr;176:104747.
    PMID: 32092305 DOI: 10.1016/j.antiviral.2020.104747
    Influenza virus non-structural protein 1 (NS1) counteracts host antiviral innate immune responses by inhibiting Retinoic acid inducible gene-I (RIG-I) activation. However, whether NS1 also specifically regulates RIG-I transcription is unknown. Here, we identify a CCAAT/Enhancer Binding Protein beta (C/EBPβ) binding site in the RIG-I promoter as a repressor element, and show that NS1 promotes C/EBPβ phosphorylation and its recruitment to the RIG-I promoter as a C/EBPβ/NS1 complex. C/EBPβ overexpression and siRNA knockdown in human lung epithelial cells resulted in suppression and activation of RIG-I expression respectively, implying a negative regulatory role of C/EBPβ. Further, C/EBPβ phosphorylation, its interaction with NS1 and occupancy at the RIG-I promoter was associated with RIG-I transcriptional inhibition. These findings provide an important insight into the molecular mechanism by which influenza NS1 commandeers RIG-I transcriptional regulation and suppresses host antiviral responses.
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