Homo sapiens
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA380258 | ENA |
REPOSITORIES: ENA
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Project description:We report a case of a 55 years old women who present a ALK associated renal cell carcinoma, with 3p deletion and measling of TFE3 expression. With CGH analysis and FISH we identify the rearrangment of ALK with TPM3
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Project description:Bullous pemphigoid (BP) is a rare, life-threatening autoimmune blistering disease with pruritus and tension blisters/bullous as the main clinical manifestations. Glucocorticosteroids are the main therapeutic agents for it, but their efficacy is poor in some patients. Tofacitinib, a small molecule agent that inhibits JAK1/3, has shown incredible efficacy in a wide range of autoimmune diseases and maybe a new valuable treatment option for refractory BP. To report a case of refractory BP successfully treated with tofacitinib, then explore the underlying mechanism behind the treatment, and finally review similarities to other cases reported in the literature. Case report and literature review of published cases of successful BP treatment with JAK inhibitors. The case report describes a 73-year-old male with refractory BP that was successfully managed with the combination therapy of tofacitinib and low-dose glucocorticoids for 28 weeks. Immunohistochemistry and RNA sequencing were performed to analyze the underlying mechanism of tofacitinib therapy. A systematic literature search was conducted to identify other cases of treatment with JAK inhibitors. Throughout the 28-week treatment period, the patient experienced clinical, autoantibody and histologic resolution. Immunohistochemical analysis showed tofacitinib significantly decreased the pSTAT3 and pSTAT6 levels in the skin lesions of this patient. RNA sequencing and immunohistochemical testing of lesion samples from other BP patients identified activation of the JAK-STAT signaling pathway. Literature review revealed 17 previously reported cases of BP treated with four kinds of JAK inhibitors successfully, including tofacitinib (10), baricitinib (1), upadacitinib (3) and abrocitinib (3). Our findings support the potential of tofacitinib as a safe and effective treatment option for BP. Larger studies are underway to better understand this efficacy and safety.
2024-11-13 | GSE278926 | GEO
Project description:Microphtalmia-associated-transcriptional-factor-family translocation renal cell carcinoma (MiTF-tRCC) currently includes two main subtypes: “TFEB-tRCC” most often characterized by a t(6;11)(p21;q13) that generates a fusion of TFEB with MALAT1 and “TFE3-tRCC” characterized by rearrangements of TFE3 at Xp11.23 (2-3) that produce a variety of fusion genes. FISH is a handy method in routine practice that allows the detection of a rearrangement of TFE3. However, it reaches its limits in cases of micro-inversions or insertions: in fact paracentric microinversions that involve GRIPAP1 (Xp11.23) (23, Classe) or RBM10 (Xp11.3), very close to TFE3 , are most often undetectable.We report the clinical, immunohistological, genomic and molecular description of four novel TFE3-tRCC with RBM10-TFE3 fusion detected by targeted RNASeq analysis that illustrate the difficulties of diagnosis, especially in reason of disconcerting negative TFE3 FISH results.
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