AI Article Synopsis

  • A case is presented of a patient with multiple myeloma and giant cell arteritis, highlighting a novel occurrence without the presence of systemic amyloidosis.
  • This instance is significant as it marks the first documented case of its kind in medical literature.
  • The findings suggest a potential pathogenic relationship between multiple myeloma and giant cell arteritis, warranting further investigation.

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[New Advances in the Study of VEXAS Syndrome --Review].

Zhongguo Shi Yan Xue Ye Xue Za Zhi

December 2024

Department of Hematology, Zhongda Hospital Affiliated to Southeast University, Nanjing 210009, Jiangsu Province, China.

Vacuoles, E1 enzyme, X-linked, autoinflammatory, and somatic syndrome (VEXAS) is a recently discovered adult-onset autoinflammatory syndrome characterized by methionine somatic mutations affecting the activation of ubiquitin system in the X-linked gene . Patients present with a wide range of inflammatory manifestations (fever, neutrophil dermatosis, chondritis, pulmonary infiltrates, ocular inflammation, venous thrombosis) and hematological impairment (giant cell anemia, thrombocytopenia, bone marrow and pre-erythrocyte vacuoles, bone marrow dysplasia), consequently contributing to significant morbidity and mortality. Current treatment management method is not well developed, and the main existing therapies are aimed at controlling inflammatory symptoms or targeting mutations.

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Douglas abscesses (DA) involving the ovaries and/or fallopian tubes and tubo-ovarian abscesses (TOA) constitute a very rare finding in virginal females. Underlying conditions are suspected to play a role in their development; often however, the exact pathomechanism remains hypothetical or unknown. We report the case of a 19-year-old virginal female who was referred to our outpatient clinic for further clarification of a 6-month ongoing secondary amenorrhea.

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Background: Takayasu arteritis is a large-vessel vasculitis, in addition to giant cell arteritis. Various post-operative complications associated with the cardiac macrovasculature have been reported. Detachment of the prosthetic valve, pseudoaneurysm formation, and dilatation of the aortic root are well-known post-operative complications associated with vasculitis syndromes, including Takayasu arteritis.

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Background: Vascular inflammation persists in temporal artery biopsy (TAB) of giant cell arteritis (GCA) patients even after prolonged glucocorticoid (GC) therapy. We aimed to evaluate the histological impact of adding tocilizumab (TCZ) to GCs.

Methods: We enrolled all consecutive GCA patients with an inflammed TAB at diagnosis who were treated with TCZ and GCs for ≥6 months and followed from December 2017 to December 2023.

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ATM/ATR-Mediated DNA Damage Response Facilitates SARS-CoV-2 Spike Protein-Induced Syncytium Formation.

J Med Virol

January 2025

Tianjin Key Laboratory of Radiation Medicine and Molecular Nuclear Medicine, State Key Laboratory of Advanced Medical Materials and Devices, Institute of Radiation Medicine, Chinese Academy of Medical Sciences and Peking Union Medical College, Tianjin, China.

Multinucleated cells are present in lung tissues of patients infected by SARS-CoV-2. Although the spike protein can cause the fusion of infected cells and ACE2-expressing cells to form syncytia and induce damage, how host cell responses to this damage and the role of DNA damage response (DDR) signals in cell fusion are still unclear. Therefore, we investigated the effect of SARS-CoV-2 spike protein on the fusion of homologous and heterologous cells expressing ACE2 in vitro models, focusing on the protein levels of ATR and ATM, the major kinases responding to DNA damage, and their substrates CHK1 and CHK2.

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