[Selected parameters of immunologic reactivity in patients with sensorineural hearing loss. I. Receptor activity of T lymphocytes].

Otolaryngol Pol

Samodzielna Pracownia Immunologii Klinicznej, Wydział Lekarski Collegium Medicum Uniwersytetu Jagiellońskiego, Krakowie.

Published: September 1998

AI Article Synopsis

  • The study examined receptor activity of peripheral T cells in 67 healthy individuals compared to 29 patients with progressive hearing loss and 7 with sudden hearing loss of unknown cause.
  • Significant differences were found in the "active" T-cell subset during TEa tests, indicating altered immune responses in hearing loss patients (p < 0.001).
  • After starting ubiquitin therapy, normalization of T cell function was observed, suggesting potential therapeutic benefits.

Article Abstract

Receptors activity of peripheral T cells for sheep erythrocytes was analyzed in 67 healthy individuals and in the 29 patients with progressive, bilateral hearing loss and in 7 patients with sudden deafness on unknown etiology. The ability of T lymphocytes to form non-immune complete and incomplete rosettes in TEt and TEa tests was evaluated before and at the beginning of ubiquitine therapy. The mean values of rosette forming cells (RFC) in percentage and absolute numbers and the statistical analysis were presented. It was found that the receptor activity of T lymphocytes in TEt test was not significant different from the results of healthy control group. On the other hand highly significant differences were observed (p < 0.001) in subset of "active" T-cells determined in TEa rosette test. The relative coefficient of receptor activity of lymphocytes (CRAL) calculated for complete TEa rosettes was high different (p < 0.0008). Normalization of the results of TE rosette tests after first period of ubiquitin biotherapy was observed.

Download full-text PDF

Source

Publication Analysis

Top Keywords

receptor activity
12
hearing loss
8
activity lymphocytes
8
[selected parameters
4
parameters immunologic
4
immunologic reactivity
4
reactivity patients
4
patients sensorineural
4
sensorineural hearing
4
loss receptor
4

Similar Publications

CBX2 suppresses interferon signaling to diminish tumor immunogenicity via a noncanonical corepressor complex.

Proc Natl Acad Sci U S A

February 2025

State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-sen University Cancer Center, Guangzhou 510050, China.

Chromobox 2 (CBX2), a crucial component of the polycomb repressive complex (PRC), has been implicated in the development of various human cancers. However, its role in the regulation of tumor immunogenicity and immune evasion remains inadequately understood. In this study, we found that ablation of CBX2 led to tumor growth inhibition, activation of the tumor immune microenvironment, and enhanced therapeutic efficacy of anti-PD1 or adoptive T cell therapies by using murine syngeneic tumor models.

View Article and Find Full Text PDF

The mammalian Hippo kinases, MST1 and MST2, regulate organ development and suppress tumor formation by balancing cell proliferation and death. In macrophages, inflammasomes detect molecular patterns from invading pathogens or damaged host cells and trigger programmed cell death. In addition to lytic pyroptosis, the signatures associated with apoptosis are induced by inflammasome activation, but how the inflammasomes coordinate different cell death processes remains unclear.

View Article and Find Full Text PDF

Caspase family proteases and Toll/interleukin-1 receptor (TIR)-domain proteins have central roles in innate immunity and regulated cell death in humans. We describe a bacterial immune system comprising both a caspase-like protease and a TIR-domain protein. We found that the TIR protein, once it recognizes phage invasion, produces the previously unknown immune signaling molecule adenosine 5'-diphosphate-cyclo[N7:1'']-ribose (N7-cADPR).

View Article and Find Full Text PDF

Itch is a dominant symptom in dermatitis, and scratching promotes cutaneous inflammation, thereby worsening disease. However, the mechanisms through which scratching exacerbates inflammation and whether scratching provides benefit to the host are largely unknown. We found that scratching was required for skin inflammation in mouse models dependent on FcεRI-mediated mast cell activation.

View Article and Find Full Text PDF

Bone Health and Linear Growth in Children with Familial Hypoparathyroidism Treated with Human Parathyroid Hormone 1-34.

J Clin Endocrinol Metab

January 2025

Gastroenterology, Hepatology and Nutrition, Cincinnati Childrens Hospital Medical Center, Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH.

Context: Our study explores the impact of human PTH 1-34 injections (PTH therapy) on growth, areal bone mineral density (BMD), and bone quality (measured by trabecular bone score, TBS) in hypoparathyroidism due to autoimmune polyendocrine syndrome type 1 (APS-1) or an activating variant of the calcium sensing receptor (CaR).

Objective: To assess associations of 1) age and PTH therapy duration with age-standardized Z-scores for height (HAZ), BMD (BMD-Z), and TBS (TBS-Z) in CaR or APS-1, and 2) APS-1 disease severity with BMD-Z and TBS-Z.

Methods: This secondary analysis pooled linear growth and lumbar spine (LS) DXA data from studies of hypoparathyroidism with mean baseline age of 13.

View Article and Find Full Text PDF

Want AI Summaries of new PubMed Abstracts delivered to your In-box?

Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!