journal
https://read.qxmd.com/read/38879717/flagellin-conjugated-per-a-10-and-its-t-cell-peptides-attenuate-airway-inflammation-and-restore-cellular-function
#1
JOURNAL ARTICLE
Richa Mishra, Swati Sharma, Naveen Arora
Adjuvants were used to modulate response towards relevant immune cells. The present study aims to investigate FlaA-conjugated Per a 10 and T cell peptides in amelioration of allergic airway disease in mice. Mice given Per a 10 showed allergic features with higher cellular infiltration, IgE, Th-2 cytokines and alarmins. Fusion protein treatment reduced lung inflammation (p < 0.0001) and cellular infiltrates (p < 0.001) with higher IgG2a/IgE indicating resolution of disease. Immunotherapy with FPT1 and FPT3 reduces IL-4, IL-5 and IL-13 levels (p < 0...
June 15, 2024: Immunologic Research
https://read.qxmd.com/read/38869819/dna-demethylase-tet2-promotes-the-terminal-maturation-of-natural-killer-cells
#2
JOURNAL ARTICLE
Yuqing Lin, Biyun Yang, Hailin Liu, Guanghe Ran, Liang Song, Meng Meng, Xiaofeng Yin, Qinghua Bi, Dongmei Yan, Youcai Deng, Yonghui Lu
The cytotoxicity feature to eliminate malignant cells makes natural killer (NK) cells a candidate for tumor immunotherapy. However, this scenario is currently hampered by inadequate understanding of the regulatory mechanisms of NK cell development. Ten-Eleven-Translocation 2 (Tet2) is a demethylase whose mutation was recently shown to cause phenotypic defects in NK cells. However, the role of Tet2 in the development and maturation of NK cells is not entirely clear. Here we studied the modulatory role of Tet2 in NK cell development and maturation by generating hematopoietic Tet2 knockout mice and mice with Tet2 conditional deletion in NKp46+ NK cells...
June 13, 2024: Immunologic Research
https://read.qxmd.com/read/38865000/mir-141-3p-attenuates-inflammation-and-oxidative-stress-induced-pulmonary-fibrosis-in-ards-via-the-keap1-nrf2-are-signaling-pathway
#3
JOURNAL ARTICLE
Guangwen Long, Qian Zhang, Xiulin Yang, Hongpeng Sun, Chunling Ji
The present research aimed to investigate the effects and mechanisms of microRNA (miR)-141-3p on pulmonary fibrosis of acute respiratory distress syndrome (ARDS). A rat ARDS model was established by the intratracheal drip of 10 mg/kg lipopolysaccharide (LPS). miR-141-3p and Kelch-like ECH-associated protein 1 (Keap1) expression was detected using RT-qPCR assay. Inflammatory factors in bronchoalveolar lavage fluid (BALF) and lung tissues were measured with enzyme-linked immunosorbent assay (ELISA). Lung fibrosis was evaluated using Masson's trichrome staining and hydroxyproline assay kits...
June 12, 2024: Immunologic Research
https://read.qxmd.com/read/38842647/endogenous-innate-sensor-nlrp3-is-a-key-component-in-peritoneal-macrophage-dynamics-required-for-cestode-establishment
#4
JOURNAL ARTICLE
Irán Flores-Sotelo, Natalia Juárez, Marisol I González, Auraamellaly Chávez, Danielle T Vannan, Bertus Eksteen, Luis I Terrazas, José L Reyes
The NLRP3 receptor can assemble inflammasome platforms to trigger inflammatory responses; however, accumulating evidence suggests that it can also display anti-inflammatory properties. Here, we explored the role of nucleotide-binding oligomerization domain pyrin-containing protein 3 (NLRP3) in Taenia crassiceps experimental infection, which requires immune polarization into a Th2-type profile and peritoneal influx of suppressive macrophages for successful colonization. NLRP3 deficient mice (NLRP3-/- ) were highly resistant against T...
June 6, 2024: Immunologic Research
https://read.qxmd.com/read/38834764/ataxia-telangiectasia-in-latin-america-clinical-features-immunodeficiency-and-mortality-in-a-multicenter-study
#5
JOURNAL ARTICLE
Renan A Pereira, Ellen O Dantas, Jessica Loekmanwidjaja, Juliana T L Mazzucchelli, Carolina S Aranda, Maria E G Serrano, Elisabeth A De La Cruz Córdoba, Liliana Bezrodnik, Ileana Moreira, Janaira F S Ferreira, Vera M Dantas, Valéria S F Sales, Carmen C Fernandez, Maria M S Vilela, Isabela P Motta, Jose Luis Franco, Julio Cesar Orrego Arango, Jesús A Álvarez-Álvarez, Lina Rocío Riaño Cardozo, Julio C Orellana, Antonio Condino-Neto, Cristina M Kokron, Myrthes T Barros, Lorena Regairaz, Diana Cabanillas, Carmen L N Suarez, Nelson A Rosario, Herberto J Chong-Neto, Olga A Takano, Maria I S V Nadaf, Lillian S L Moraes, Fabiola S Tavares, Flaviane Rabelo, Jessica Pino, Wilmer C Calderon, Daniel Mendoza-Quispe, Ekaterini S Goudouris, Virginia Patiño, Cecilia Montenegro, Monica S Souza, Aniela BXCCastelo Branco, Wilma C N Forte, Flavia A A Carvalho, Gesmar Segundo, Marina F A Cheik, Persio Roxo-Junior, Maryanna Peres, Annie M Oliveira, Arnaldo C P Neto, Maria Claudia Ortega-López, Alejandro Lozano, Natalia Andrea Lozano, Leticia H Nieto, Anete S Grumach, Daniele C Costa, Nelma M N Antunes, Victor Nudelman, Camila T M Pereira, Maria D M Martinez, Francisco J R Quiroz, Aristoteles A Cardona, Maria E Nuñez-Nuñez, Jairo A Rodriguez, Célia M Cuellar, Gustavo Vijoditz, Daniélli C Bichuetti-Silva, Carolina C M Prando, Sérgio L Amantéa, Beatriz T Costa-Carvalho
Ataxia-telangiectasia (AT) is a rare genetic disorder leading to neurological defects, telangiectasias, and immunodeficiency. We aimed to study the clinical and immunological features of Latin American patients with AT and analyze factors associated with mortality. Referral centers from 9 Latin American countries participated in this retrospective cohort study, and 218 patients were included.  Median (IQR) ages at symptom onset and diagnosis were 1.0 (1.0-2.0)  and 5.0 (3.0-8.0) years, respectively...
June 4, 2024: Immunologic Research
https://read.qxmd.com/read/38829494/correction-inhibition-of-ciap1-2-reduces-ripk1-phosphorylation-in-pulmonary-endothelial-cells-and-alleviate-sepsis-induced-lung-injury-and-inflammatory-response
#6
Xiaoyu Liu, Yan Li, Weijian Zhang, Nan Gao, Jie Chen, Cheng Xiao, Guoqiang Zhang
No abstract text is available yet for this article.
June 3, 2024: Immunologic Research
https://read.qxmd.com/read/38829493/analysis-of-binding-and-authentic-virus-neutralizing-activities-of-immune-sera-induced-by-various-monkeypox-virus-antigens
#7
JOURNAL ARTICLE
Shuo Song, Zuning Ren, Jiayin Chen, Mengjun Li, Yushan Jiang, Yingxia Liu, Bao Zhang, Hongzhou Lu, Wei Zhao, Chenguang Shen, Yang Yang
Monkeypox cases continue to increase globally, and there is an urgent need to develop a highly effective vaccine against monkeypox. This study investigated the binding and authentic-virus neutralizing activities of sera from mice immunized with EEV (extracellularly enveloped viruses) antigens B6R and A35R, and IMV (intrinsic material viruses) antigens M1R, A29L, E8L, and H3L against monkeypox virus. The results showed that immunizations of A35R and E8L could only induce lower titers of binding antibodies, in contrast, immunization of M1R induced the highest titers of binding antibodies, while immunization of B6R, H3L, and A29L induced moderate titers of binding antibodies...
June 3, 2024: Immunologic Research
https://read.qxmd.com/read/38829492/clinical-features-and-potential-markers-of-disease-in-idiopathic-non-histaminergic-angioedema-a-real-life-study
#8
JOURNAL ARTICLE
Ilaria Mormile, Maria Celeste Gigliotti, Anne Lise Ferrara, Roberta Gatti, Giuseppe Spadaro, Amato de Paulis, Stefania Loffredo, Maria Bova, Angelica Petraroli
Idiopathic non-histaminergic acquired angioedema (InH-AAE) is a rare disease, with unknown etiology and pathogenesis, characterized by recurrent clinical manifestations and resistance to antihistamines and corticosteroids. We aim to evaluate clinical features and potential markers of disease in an Italian cohort of patients with InH-AAE. We enrolled 26 patients diagnosed with InH-AAE. Information about clinical features, treatments, routine laboratory investigations, immunological and genetic tests were collected...
June 3, 2024: Immunologic Research
https://read.qxmd.com/read/38816670/highlighting-the-role-of-cd44-in-cervical-cancer-progression-immunotherapy-s-potential-in-inhibiting-metastasis-and-chemoresistance
#9
REVIEW
Cayleigh de Sousa, Carla Eksteen, Johann Riedemann, Anna-Mart Engelbrecht
Cervical cancer affects thousands of women globally with recurring high-risk HPV infections being at the centre of cervical pathology. Oncological treatment strategies are continually challenged by both chemoresistance and metastasis within patients. Although both work hand-in-hand, targeting their individual mechanisms could prove highly beneficial for treatment outcomes. Such targets include the metastatic-promoting stem cell marker, CD44, which is abundant in cervical cancer cells and is common to both chemoresistance and metastatic mechanisms...
May 31, 2024: Immunologic Research
https://read.qxmd.com/read/38814567/ccr2-trem-1-%C3%A2-monocytes-promote-natural-killer-t-cell-dysfunction-contributing-towards-hbv-disease-progression
#10
JOURNAL ARTICLE
Xiaojuan Wu, Wenling Zhao, Qiang Miao, Shiya Shi, Bin Wei, Limei Luo, Bei Cai
Natural killer T (NKT) cells are amongst the most important innate immune cells against hepatitis B virus (HBV) infection. Moreover, previous studies have shown that HBV infection induced TREM-1+ expression in monocyte and secretion of inflammatory cytokines. Thus, this prompted us to elucidate the role of TREM-1+ monocytes in regulating the function of iNKT cells. Ninety patients and 20 healthy participants were enrolled in the study. The percentage and phenotype of iNKT cells and TREM-1+ monocytes were measured in the peripheral blood of healthy controls (HC), patients with chronic HBV infection (CHB), HBV-related liver cirrhosis (LC), and HBV-related acute-on-chronic liver failure (ACLF) via flow cytometry...
May 30, 2024: Immunologic Research
https://read.qxmd.com/read/38811459/assessment-of-nlrp3-inflammasome-activation-in-patients-with-chronic-obstructive-pulmonary-disease-before-and-after-lung-transplantation
#11
JOURNAL ARTICLE
Lada Rumora, Ivona Markelić, Iva Hlapčić, Andrea Hulina Tomašković, Marija Fabijanec, Feđa Džubur, Miroslav Samaržija, Andrea Vukić Dugac
The interplay between purinergic receptors as well as pattern recognition receptors like Toll-like receptors (TLRs) and NOD-, LRR-, and pyrin domain-containing protein 3 (NLRP3) might have a role in the pathogenesis of chronic obstructive pulmonary disease (COPD). The aim of this study was to determine and compare the concentrations of the damage-associated molecular patterns (DAMPs) heat shock protein 70 (Hsp70) and adenosine triphosphate (ATP), and gene expression of their respective receptors as well as NLRP3 inflammasome-related molecules in the peripheral blood of patients with end-stage COPD before and 1 year after lung transplantation (LT)...
May 29, 2024: Immunologic Research
https://read.qxmd.com/read/38806970/gender-disparities-in-beh%C3%A3-et-s-syndrome-identifying-distinct-phenotypes-through-cluster-analysis
#12
JOURNAL ARTICLE
Gamze Kılıç, Kemal Faruk Körüklü, Muhammed Galip Kumcu, Elif Çakır, Murat Karkucak, Erkan Kılıç
Behçet's syndrome (BS) is a complex, multi-systemic disorder with a global occurrence, notably concentrated along the Silk Road. This study aimed to investigate gender-specific expressions and clinical phenotypes in BS patients within the Eastern Black Sea Region of Turkey. A total of 290 BS patients were retrospectively analyzed between January 2013 and December 2023. Demographic characteristics, clinical manifestations, medical treatment, and pathergy test results were obtained from a review of medical records...
May 29, 2024: Immunologic Research
https://read.qxmd.com/read/38777958/inflammasome-functional-activities-in-b-lymphocytes
#13
JOURNAL ARTICLE
Man Lun Hsu, Kai Fu Jhuang, Moncef Zouali
Studies in animal models and human subjects have shown that, in addition to their implication in innate immunity, inflammasomes also can play a role in adaptive immunity. However, the contribution of the nucleotide-binding oligomerization domain-, leucine-rich repeat-, and pyrin domain-containing protein 3 (NLRP3) inflammasome pathway to adaptive immunity remains incompletely explored. Here, we show that NLRP3 plays an important role in different facets of B cell functions, including proliferation, antibody production, and secretion of inflammatory and anti-inflammatory cytokines...
May 23, 2024: Immunologic Research
https://read.qxmd.com/read/38772984/the-role-of-tumor-associated-macrophages-in-the-radioresistance-of-esophageal-cancer-cells-via-regulation-of-the-vegf-mediated-angiogenic-pathway
#14
JOURNAL ARTICLE
Fei Sun, Yingying Lian, Mengyun Zhou, Judong Luo, Lijun Hu, Jianlin Wang, Zhiqiang Sun, Jingping Yu
Tumor-associated macrophages (TAMs) are known to promote tumor growth, invasion, metastasis, and protumor angiogenesis, but the role of TAMs in evading radiotherapy in esophagus cancer remains unclear. In this study, we first induced TAMs from human monocytes (THP-1) and identified using immunofluorescence and Western blotting assays. We then co-cultured them with human esophageal cancer cell lines. CCK-8, colony formation, Transwell, scratch test, and TUNEL assays showed that TAMs could promote proliferation, survival rate, invasion, migration, and radioresistance and could inhibit apoptosis of the esophageal squamous carcinoma cell lines KYSE-150 and TE-1 before and after radiotherapy both in vivo and in vitro...
May 21, 2024: Immunologic Research
https://read.qxmd.com/read/38771487/lupus-progression-deteriorates-oogenesis-quality-in-mrl-lpr-mice
#15
JOURNAL ARTICLE
Stefka Delimitreva, Gabriela Boneva, Irina Chakarova, Valentina Hadzhinesheva, Ralitsa Zhivkova, Maya Markova, Venera Nikolova, Anton Kolarov, Nikola Mladenov, Silviya Bradyanova, József Prechl, Nikolina Mihaylova, Andrey Tchorbanov
Systemic lupus erythematosus (SLE) is an autoimmune disease characterized by the activation of the immune response against self antigens. Numerous reproductive complications, including reduced birth rate and complications for the mother and the fetus during pregnancy, have been observed in women with SLE. In the present study, we aimed to investigate the effect of SLE development on oocyte meiosis in lupus-prone mice. Lupus-prone MRL/lpr mice were used for the experiments: disease-free (4 weeks of age) and sick (20 weeks of age, virgin and postpartum)...
May 21, 2024: Immunologic Research
https://read.qxmd.com/read/38771486/the-il-12-family-of-heterodimeric-cytokines-in-polycystic-ovarian-syndrome-biological-role-in-induction-regulation-and-treatment
#16
REVIEW
Mingyan Zheng, Feng Zhao
Polycystic ovary syndrome (PCOS) is a diverse endocrine disorder widely recognized as the prevailing metabolic condition among women in their reproductive years. The precise pathophysiological mechanisms underlying PCOS remain incompletely understood. However, existing evidence suggests that the development of PCOS may be linked to factors such as abdominal obesity, hyperandrogenism, and insulin resistance (IR). Excessive central adiposity in women with PCOS may lead to the development of a chronic, low-grade inflammation characterized by the activation of proinflammatory cytokines...
May 21, 2024: Immunologic Research
https://read.qxmd.com/read/38755433/prognostic-model-incorporating-immune-checkpoint-genes-to-predict-the-immunotherapy-efficacy-for-lung-adenocarcinoma-a-cohort-study-integrating-machine-learning-algorithms
#17
JOURNAL ARTICLE
Xi-Lin Yang, Zheng Zeng, Chen Wang, Guang-Yu Wang, Fu-Quan Zhang
This study aimed to develop and validate a nomogram based on immune checkpoint genes (ICGs) for predicting prognosis and immune checkpoint blockade (ICB) efficacy in lung adenocarcinoma (LUAD) patients. A total of 385 LUAD patients from the TCGA database and 269 LUAD patients in the combined dataset (GSE41272 + GSE50081) were divided into training and validation cohorts, respectively. Three different machine learning algorithms including random forest (RF), least absolute shrinkage and selection operator (LASSO) logistic regression analysis, and support vector machine (SVM) were employed to select the predictive markers from 82 ICGs to construct the prognostic nomogram...
May 16, 2024: Immunologic Research
https://read.qxmd.com/read/38748319/immunomodulating-effects-of-the-single-bacterial-strain-therapy-edp1815-on-innate-and-adaptive-immune-challenge-responses%C3%A2-%C3%A2-a-randomized-placebo-controlled-clinical-trial
#18
JOURNAL ARTICLE
Boukje C Eveleens Maarse, Micha N Ronner, Manon A A Jansen, Tessa Niemeyer-van der Kolk, Aliede E In 't Veld, Erica S Klaassen, Saira Ahmad, Andrea Itano, Duncan McHale, Matthijs Moerland
The gut microbiome can modulate systemic inflammation and is therefore target for immunomodulation. Immunomodulating effects of EDP1815, a bacterial commensal strain of Prevotella histicola, were studied in healthy participants. Effects on adaptive immunity were evaluated by a neo-antigen challenge with keyhole limpet haemocyanin (KLH), while effects on innate immunity were evaluated by topical toll-like receptor 7 (TLR7) agonist imiquimod. Capsules with two enteric coating levels (EC1, EC2) were compared. Thirty-six healthy participants were included and received a daily dose of 8 × 1010 cells EDP1815-EC1, EDP1815-EC2 or placebo (randomization 1:1:1) for 60 days...
May 15, 2024: Immunologic Research
https://read.qxmd.com/read/38748318/inhibition-of-ciap1-2-reduces-ripk1-phosphorylation-in-pulmonary-endothelial-cells-and-alleviate-sepsis-induced-lung-injury-and-inflammatory-response
#19
JOURNAL ARTICLE
Xiaoyu Liu, Yan Li, Weijian Zhang, Nan Gao, Jie Chen, Cheng Xiao, Guoqiang Zhang
Acute respiratory distress syndrome (ARDS)/acute lung injury (ALI) is a severe complication of sepsis characterized by acute respiratory distress, hypoxemia, and diffuse bilateral pulmonary infiltrates. The regulation of RIPK1 is an important part of the inflammatory response, and cIAP1/2 serves as the E3 ubiquitin ligase for RIPK1. In this study, we investigated the effect and mechanism of cIAP1/2 inhibition on sepsis-induced lung injury. Our results showed that cIAP1/2 inhibition can alleviate sepsis-induced lung injury and reduce the inflammatory response, which is accompanied by downregulation of RIPK1 phosphorylation and ubiquitination...
May 15, 2024: Immunologic Research
https://read.qxmd.com/read/38722530/inhibition-of-lsd1-via-sp2509-attenuated-the-progression-of-rheumatoid-arthritis
#20
JOURNAL ARTICLE
Ziliang Yu, Peipei Li, Dagong Gao, Yalong Hu, Fei Xia, Lei Liu, Jian Liu, Wei Liu, Haiping Zhang
Rheumatoid arthritis (RA) is a chronic autoimmune disease characterized by synovial hyperplasia, pannus formation, and cartilage and bone destruction. Lysine-specific demethylase 1 (LSD1), an enzyme involved in transcriptional regulation, has an unclear role in synovial inflammation, fibroblast-like synoviocytes migration, and invasion during RA pathogenesis. In this study, we observed increased LSD1 expression in RA synovial tissues and in TNF-α-stimulated MH7A cells. SP2509, an LSD1 antagonist, directly reduced LSD1 expression and reversed the elevated levels of proteins associated with inflammation, apoptosis, proliferation, and autophagy induced by TNF-α...
May 9, 2024: Immunologic Research
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