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| http://dx.doi.org/10.3324/haematol.2015.135418 | DOI Listing |
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Background: Ruxolitinib cream has demonstrated anti-inflammatory and antipruritic activity and was well tolerated in a phase 3 study in patients aged 2-11 years with mild to moderate atopic dermatitis (AD).
Objective: This study examined the safety, tolerability, pharmacokinetics, efficacy, and quality of life (QoL) with ruxolitinib cream under maximum-use conditions and with longer-term use.
Methods: Eligible patients were aged 2-11 years with moderate to severe AD [Investigator's Global Assessment (IGA) score 3-4], and ≥ 35% affected body surface area (BSA).
Warm Autoimmune Hemolytic Anemia as a Rare Presentation of Pre-fibrotic Primary Myelofibrosis.
Cureus
December 2024
Hematology and Oncology, Olive View University of California Los Angeles (UCLA) Medical Center, Sylmar, USA.
Primary myelofibrosis (PMF) is an uncommon chronic myeloproliferative disorder that is commonly associated with Janus kinase 2 (JAK-2), calreticulin (CALR), or thrombopoietin receptor (MPL) mutations. Pre-fibrotic PMF (also known as pre-PMF or early PMF) is a subtype of PMF that is defined by a lower grade of fibrosis. In this report, we present a rare case of warm autoimmune hemolytic anemia (wAIHA) associated with pre-PMF.
View Article and Find Full Text PDFIL-17 affects the immune regulation of CD4+ T cells in dilated cardiomyopathy through JAK/STAT pathway.
Cardiol Young
January 2025
Department of Cardiovascular, The Second Hospital of Hebei Medical University, Shijiazhuang, China.
Purpose: Studying the effect of interleukin-17 (IL-17) on the mechanism of CD4+ T-cell immune regulation and the Janus kinase/signal transducer and activator of transcription (JAK/STAT) pathway may offer new ideas and methods for the therapy of dilated cardiomyopathy.
Methods: Naive CD4+ T cells were isolated from mice using a magnetic bead sorting reagent and manipulated by overexpression or knockdown of IL-17. Protein levels of Janus kinase 2 (JAK2), phosphorylated JAK2 (p-JAK2), signal transducer and activator of transcription 3 (STAT3), phosphorylated STAT3 (p-STAT3), matrix metalloproteinase-2 (MMP-2), and matrix metalloproteinase-9 (MMP-9) were determined by Western blotting.
Real-World Persistence and Effectiveness of Upadacitinib versus Other Janus Kinase Inhibitors and Tumor Necrosis Factor Inhibitors in Australian Patients with Rheumatoid Arthritis.
Rheumatol Ther
January 2025
OPAL Rheumatology Ltd, Sydney, NSW, Australia.
Introduction: This study sought to describe treatment patterns, persistence, and effectiveness of upadacitinib (UPA) alone and compared to other Janus kinase inhibitors (JAKis) or tumor necrosis factor inhibitors (TNFis) in patients with rheumatoid arthritis (RA).
Methods: This retrospective, non-interventional study used the OPAL dataset, derived from electronic medical records. Patients initiated UPA (N = 2624), other JAKis (baricitinib and tofacitinib [N = 925]), or TNFis (adalimumab, etanercept, certolizumab, golimumab, infliximab [N = 3540]) between May 2020 and March 2023.
Molecular basis of JAK kinase regulation guiding therapeutic approaches: Evaluating the JAK3 pseudokinase domain as a drug target.
Adv Biol Regul
December 2024
Faculty of Medicine and Health Technology, Tampere University, Arvo Ylpönkatu 34, 33014, Finland; Institute of Biotechnology, HiLIFE, University of Helsinki, P.O. Box 56, 00014, Finland; Department of Microbiology, Fimlab Laboratories, P.O.Box 66, 33013, Tampere, Finland. Electronic address:
Janus kinases (JAK1-3, TYK2) are critical mediators of cytokine signaling and their role in hematological and inflammatory and autoimmune diseases has sparked widespread interest in their therapeutic targeting. JAKs have unique tandem kinase structure consisting of an active tyrosine kinase domain adjacent to a pseudokinase domain that is a hotspot for pathogenic mutations. The development of JAK inhibitors has focused on the active kinase domain and the developed drugs have demonstrated good clinical efficacy but due to off-target inhibition cause also side-effects and carry a black box warning limiting their use.
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