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Peripheral T-cell lymphoma (PTCL) is rare and difficult to treat for its high relapse rate. The authors report a case of PTCL of the skin, regarding which clinical and pathological features, treatment, and prognosis were discussed. A 66-year-old woman was admitted with complaints of enlarging erythematous noduloplaques on the right anterior tibial skin for one year and similar lesions on the left for 6 months. Surgical resection of right leg lesion and biopsy of enlarged inguinal lymph nodes histologically indicated a PTCL of the nasal type. The patient was treated by CHOP plus bortezomib, reached complete remission just after two courses of chemotherapy and then received another two as consolidation. The patient remained in remission for 11 months until local relapse. As for cutaneous lesions, detailed lymph node examination and prompt tissue biopsy are judicious choices prior to any medical management. The chemotherapy consisting of bortezomib and CHOP is safe and efficient in PTCL of the skin.
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http://dx.doi.org/10.1155/2010/403237 | DOI Listing |
Eur J Intern Med
September 2025
Department of Translational Medical Sciences, University of Naples Federico II, Naples, Italy; Istituti Clinici Scientifici ICS Maugeri - S.p.A.-Istituti di Ricovero e Cura a Carattere Scientifico (IRCCS) Istituto Scientifico di Telese Terme, Telese, Italy. Electronic address:
The fraction that the elderly represent in the world's population is growing rapidly; numerous alterations that impact all organs and systems, including the immune system, are related to aging. A complex process common in the elderly, known as immunosenescence, is characterized by a decreased ability to respond to vaccination as well as an increased risk of bacterial and viral infections, autoimmune, cardiovascular and neurodegenerative diseases. These processes are associated with alterations in the innate and adaptive immune system and lead to a condition of chronic low-grade inflammation, referred to as inflammaging.
View Article and Find Full Text PDFBiomed Pharmacother
September 2025
Institute of Medical Microbiology, University Hospital Essen, University Duisburg-Essen, Germany.
Chronic pain (CP) is a major health issue globally, affecting millions and resulting in a significant healthcare burden. Although amitriptyline is widely used to manage CP, its immunomodulatory effects during pain therapy, especially on T cell phenotypes, remain unclear. In this study, we explored how amitriptyline alters T cell phenotypes in CP patients.
View Article and Find Full Text PDFJ Clin Pharmacol
September 2025
Daiichi Sankyo Inc., Basking Ridge, NJ, USA.
Valemetostat is a dual inhibitor of EZH2/1 approved in Japan for the treatment of relapsed/refractory (R/R) adult T-cell lymphoma/leukemia (ATLL) and R/R peripheral T-cell lymphoma (PTCL). It is administered orally once daily (QD) at 200 mg. Here, we present comprehensive population pharmacokinetic (PPK) and exposure-response (ER) analyses of valemetostat.
View Article and Find Full Text PDFSci Immunol
September 2025
Howard Hughes Medical Institute and Immunology Program, Sloan Kettering Institute, and Ludwig Center at Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA.
The skin integrates diverse signals discerned by sensory neurons and immune cells to elicit adaptive responses to a range of stresses. Considering interactions between nervous and immune systems, we examined whether regulatory T (T) cells, which suppress systemic and local inflammation, can modulate activation of peripheral neurons. Acute T cell "loss of function" increased neuronal activation to noxious stimuli independently of their immunosuppressive function.
View Article and Find Full Text PDFSci Adv
September 2025
Department of Medicine, Altman Clinical and Translational Research Institute, University of California, San Diego, La Jolla, CA 92093, USA.
Protein tyrosine phosphatase nonreceptor type 22 (PTPN22) is encoded by a gene strongly associated with lupus and other autoimmune diseases. PTPN22 regulates T cell receptor (TCR) signaling through dephosphorylation of the kinases lymphocyte-specific protein tyrosine kinase (LCK) and zeta-chain-associated protein kinase 70 (ZAP70). The regulation of PTPN22 remains poorly understood.
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