CD200R1 immune checkpoint blockade by the first-in-human anti-CD200R1 antibody 23ME-00610: molecular mechanism and engineering of a surrogate antibody by Cristina Melero, S. Jimmy Budiardjo, Anahita Daruwalla, Lance Larrabee, Oleg Ganichkin, Alexander J. Heiler, Jill Fenaux, Ben Chung, Germaine Fuh, Yao-Ming Huang

“…This engineering approach does not require a priori knowledge of structural and functional mapping of antibody–antigen interaction and thus is generally applicable for therapeutic antibody development when desired ortholog binding is lacking. …”
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Prevalence and Risk Factors of Helicobacter pylori Infection among Children Aged 1 to 15 Years at Holy Innocents Children’s Hospital, Mbarara, South Western Uganda by Phoebe Aitila, Michael Mutyaba, Simon Okeny, Maurice Ndawula Kasule, Rashid Kasule, Frank Ssedyabane, Benson Okongo, Richard Onyuthi Apecu, Enoch Muwanguzi, Caesar Oyet

“…Four (4) millilitres of blood was collected from each child and tested for H. pylori blood Antibody test and stool specimens were used for H. pylori antigen test. Results. The prevalence of H. pylori infection among the study participants was 24.3%. …”
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Immunoprotective effect of chitosan nanoparticles with different particle sizes against H9N2 avian influenza infection by Shangen Xu, Zhi Zhao, Chenxi Sun, Yile Ji, Qingshuang Luan, Qihong Zhang, Zheng Jin, Kai Zhao

“…Moreover, a mechanistic analysis revealed that the optimal NHC NPs combination triggered the activation of antigen presenting cells via TLR4 and participated in immune responses through the production of NO and TNF-α. …”
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Radiation dose and fraction in immunotherapy: one-size regimen does not fit all settings, so how does one choose? by Marka Crittenden, Sandra Demaria, C Norman Coleman, Jonathan Schoenfeld, Arta Monjazeb, Samir Khleif, Seema Gupta, Andrew Sikora, Zachary Morris, Chandan Guha, Stephen Shiao, Silvia Chiara Formenti, Bhadrasain Vikram, Mansoor M Ahmed

“…Other novel delivery options may also affect immune responses, including T-cell activation and tumor-antigen presentation changes. However, there is limited understanding of the immunological impact of hypofractionated and unique multifractionated radiotherapy regimens, as these observations are relatively recent. …”
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Biomimetic polydopamine loaded with janus kinase inhibitor for synergistic vitiligo therapy via hydrogel microneedles by Chunying Li, Wenwen Wang, Junyi Shao, Sen Zhou, Xiaolin Ji, Youxia Xi, Qiuyang Xu, Yuhan Huang, Jingle Wang, Yilin Wan, Zhiming Li

“…Under oxidative stress, the apoptotic melanocytes expose self-antigens and release high mobility group box 1 (HMGB1), triggering autoimmune activation and recruiting CD8+ T cells. …”
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PU.1 alleviates the inhibitory effects of cigarette smoke on endothelial progenitor cell function and lung-homing through Wnt/β-catenin and CXCL12/CXCR4 pathways by Xue He⁺, Yanan Cui⁺, Tiao Li, Lijuan Luo, Zihang Zeng, Yiming Ma, Yan Chen

“…We determined the expression levels of PU.1, β-catenin, C-X-C motif ligand 12 (CXCL12), C-X-C motif receptor 4 (CXCR4), stem cell antigen-1 (Sca-1), and stemness genes. Results CSE exposure significantly reduced the expression of PU.1 in mouse lung tissues, BM, and BM-derived EPCs. …”
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Efficient Acquisition of Fully Human Antibody Genes against Self-Proteins by Sorting Single B Cells Stimulated with Vaccines Based on Nitrated T Helper Cell Epitopes by Liangliang Jiang, Tao Jiang, Jianhua Luo, Yanliang Kang, Yue Tong, Xiaoda Song, Xiangdong Gao, Wenbing Yao, Hong Tian

“…Single B cell antibody technology is a method for isolating antigen-specific B cells from human peripheral blood and obtaining antibody genes in developing antibody drugs. …”
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Development a glycosylated extracellular vesicle-derived miRNA Signature for early detection of esophageal squamous cell carcinoma by Jianlin Chen, Yue Zheng, Zhen Wang, Qi Gao, Kun Hao, Xiongfeng Chen, Nantian Ke, Xiang Lv, Jiamiao Weng, Yuhong Zhong, Zhixin Huang, Miao Fu, Lilan Zhao, Fan Lin, Hui Mi, Haijun Tang, Chundong Yu, Yi Huang

“…Results The RiskscoreFuc−&Sia− effectively identified ESCC across all stages, demonstrating high AUC values in training (0.980), internal validation (0.957), and external multicentre validation (0.973) cohorts, markedly higher than carcinoembryonic antigen (CEA) (AUC = 0.769, training cohort; AUC = 0.749, internal validation cohort; AUC = 0.765, external validation cohort). …”
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Activated CD27+PD-1+ CD8 T Cells and CD4 T Regulatory Cells Dominate the Tumor Microenvironment in Refractory Celiac Disease Type II by Tessa Dieckman, Mette Schreurs, Ciska Lindelauf, Ahmed Mahfouz, Caroline R. Meijer, Louise Pigeaud, Vincent van Unen, Gerd Bouma, Frits Koning

“…Conclusion: RCDII is characterized by the simultaneous presence of an activated CD27+PD-1+ memory CD8αβ T cell subset and CD4 Tregs, suggesting that checkpoint blockade with anti-NKG2A/PD-1 and/or anticytotoxic T lymphocyte antigen 4 may be an attractive treatment option.…”
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A self-assembled nanoparticle vaccine elicits effective neutralizing antibody response against EBV infection by Ping Li, Ping Li, Ziyi Jiang, Jingjing Shi, Haochuan Sha, Zihang Yu, Yan Zhao, Sanyang Han, Lan Ma, Lan Ma, Lan Ma

“…Most importantly, the L350–ferritin nanoparticle induced efficient neutralizing antibodies to block EBV-GFP infection in AKATA cells and also constructed a strong antigen-specific B-cell memory in immunized mice. …”
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Quantification of Pregenomic RNA and Covalently Closed Circular DNA in Hepatitis B Virus-Related Hepatocellular Carcinoma by Fugui Bai, Yoshihiko Yano, Takumi Fukumoto, Atsushi Takebe, Motofumi Tanaka, Kaori Kuramitsu, Nungki Anggorowati, Hanggoro Tri Rinonce, Dewiyani Indah Widasari, Masaya Saito, Hirotaka Hirano, Takanobu Hayakumo, Yasushi Seo, Takeshi Azuma, Yonson Ku, Yoshitake Hayashi

“…Thirty-eight hepatocellular carcinoma (HCC) patients, including 14 positive for hepatitis B surface antigen (HBsAg) and 24 negative for HBsAg but positive for anti-hepatitis B core (anti-HBc) antibody, were enrolled in this study. …”
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Determination of HLA Tissue Type According to the Etiology of Patients with Chronic Renal Failure by Burcu KARAKUS TURAN, Fahri UCAR, Vural Taner YILMAZ, Yahya KILINC, Sule DARBAŞ ARAS, Huseyin KOCAK, Nurten SAYIN EKINCI, Bulent AYDINLI, Habibe Sema ARSLAN

“…This study aims to investigate the association between human leukocyte antigen (HLA) alleles individuals with CKD and the different etiological subgroups of diesease. …”
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Establishment of an indirect ELISA method for detecting bovine coronavirus antibodies based on N protein by Qiang Liu, Xiaoxia Niu, Lingling Jiang, Gang Zhang, Pu Wang, Sinong Zhang, Weifeng Gao, Huichen Guo, Huichen Guo, Yujiong Wang, Yong Li

“…Reaction conditions were optimized using a checkerboard approach, with the optimal antigen concentration at 1.25 μg/mL and the optimal antibody dilution at 1:200, the cutoff value distinguishing negative and positive serum samples was 0.986. …”
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Predictors of Recurrence After Curative Surgery for Stage I Colon Cancer: Retrospective Cohort Analysis of the Italian Society of Surgical Oncology Colorectal Cancer Network Collab... by Giulia Turri, MD, Luigi Martinelli, MD, Daniela Rega, MD, Nicolò Tamini, MD, Lucia Paiano, MD, Simona Deidda, MD, QuocRiccardo Bao, MD, Laura Lorenzon, MD, PhD, Raffaele De Luca, MD, Caterina Foppa, MD, PhD, Valentina Mari, MD, Giovanni Taffurelli, MD, Arcangelo Picciariello, MD, PhD, Patrizia Marsanic, MD, Leandro Siragusa, MD, Francesco Bagolini, MD, Riccardo Nascimbeni, MD, Gianluca Rizzo, MD, PhD, Sara Vertaldi, MD, Michele Zuolo, MD, Giorgio Bianchi, MD, Lisa Marie Rorato, MD, Rossella Reddavid, MD, PhD, Gaetano Gallo, MD, PhD, Lorenzo Crepaz, MD, Alberto Di Leo, MD, Mario Trompetto, MD, Enrico Potenza, MD, Mauro Santarelli, MD, Nicola de’Angelis, MD, PhD, Francesco Ciarleglio, MD, Marco Milone, MD, PhD, Claudio Coco, MD, Guido Alberto Tiberio, MD, Gabriele Anania, MD, Giuseppe S. Sica, MD, PhD, Andrea Muratore, MD, Donato Francesco Altomare, MD, Isacco Montroni, MD, PhD, Maurizio De Luca, MD, Antonino Spinelli, MD, PhD, Michele Simone, MD, Roberto Persiani, MD, Gaya Spolverato, MD, Angelo Restivo, MD, Nicolò de Manzini, MD, Marco Braga, MD, Paolo Delrio, MD, Giuseppe Verlato, MD, PhD, Corrado Pedrazzani, MD, Adriana Gioia, Cristina Vacca, Dario Parini, Giovanni Tomasicchio, Marcello Calabrò, Bruno Sensi, Filomena Misuriello, Carlo Alberto Schena, Silvia Picotto

“…Also, preoperative carcinoembryonic antigen (P = 0.007) and tumor diameter (P < 0.001) were higher in the group who relapsed. …”
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Chimeric cytokine receptor TGF-β RⅡ/IL-21R improves CAR-NK cell function by reversing the immunosuppressive tumor microenvironment of gastric cancer by Yaojun Ren, Min Xue, Xinhui Hui, Xiuyu Liu, Muhammad Asad Farooq, Yiran Chen, Yuzhou Ji, Yixin Duan, Iqra Ajmal, Jie Yao, Wenzheng Jiang

“…Natural killer (NK) cells play a crucial role in the body’s anti-cancer defense, and chimeric antigen receptor (CAR)–NK cell therapy is gaining attention as a cutting-edge and promising treatment method. …”
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Serum hsa-miR-22-3p, hsa-miR-885-5p, Lipase-to-Amylase Ratio, C-Reactive Protein, CA19-9, and Neutrophil-to-Lymphocyte Ratio as Prognostic Factors in Advanced Pancreatic Ductal Ade... by Jakub Wnuk, Dorota Hudy, Joanna Katarzyna Strzelczyk, Łukasz Michalecki, Kamil Dybek, Iwona Gisterek-Grocholska

“…Other prognostic factors such as lipase-to-amylase ratio (LAR), neutrophil-to-lymphocyte ratio (NLR), and carbohydrate antigen 19-9 (CA19-9) were also evaluated in this study. …”
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A SARS‐CoV‐2 EG.5 mRNA vaccine induces a broad‐spectrum immune response in mice by Hongyu Wang, Qinhua Peng, Xinxian Dai, Zhifang Ying, Xiaohong Wu, Xinyu Liu, Hongshan Xu, Jia Li, Leitai Shi, Jingjing Liu, Yunpeng Wang, Danhua Zhao, Yanqiu Huang, Lihong Yang, Ren Yang, Guangzhi Yue, Yue Suo, Qiang Ye, Shouchun Cao, Yuhua Li

“…Th1‐biased cellular immune response was induced in all vaccination groups. The antigen design and immunization strategy of this study have reference significance for the research of the next generation of COVID‐19 vaccine and other vaccines.…”
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Comparison of demographic, clinical and laboratory characteristics between first and second COVID-19 waves in a secondary care hospital in Qatar: a retrospective study by Prem Chandra, Vamanjore A Naushad, Nishan K Purayil, Abazar Ahmad M Saeed, Pradeep Radhakrishnan, Irfan Varikkodan, Joe V Mathew, Jaseem Sirajudeen, Riyadh A Hammamy, Ahmad M Badi, Aasir M Suliman, Mohamed N Badawi, Saket Arya, Maryam AlMotawa, Aisha Al-Baker, Rania Alatom, Anand Kartha

“…Patients with a normal chest X-ray and those who had a negative PCR test despite a positive COVID-19 antigen test were excluded.Outcome Length of stay, need for mechanical ventilation, final disposition and mortality were the key outcomes studiedResults Influenza like symptoms (18.5% in the first wave vs 36.1% in the second wave, p 0.001), cough (79.2% vs 87%, p&lt;0.001) and dyspnoea (27.5% vs 38% p&lt;0.001) were more common in the second wave. …”
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The PD-1 with PD-L1 Axis Is Pertinent with the Immune Modulation of Atrial Fibrillation by Regulating T Cell Excitation and Promoting the Secretion of Inflammatory Factors by Guodong Chang, Yingwei Chen, Zichang Liu, Yong Wang, Wenkun Ge, Yongan Kang, Shuling Guo

“…Forty-five patients with atrial fibrillation admitted to the cardiology department of our hospital from July 2019 to March 2021 were selected to be included in the atrial fibrillation group, and another 45 healthy volunteers were selected as the control group to compare the changes of T cell CD69 and human leukocyte antigen-DR (HLA-DR) expression in the peripheral blood of the two study groups; compare the changes of programmed death factor-1 on CD4+ and CD8+ lymphocytes in the peripheral blood of the two groups (PD-1) expression changes and PD-L1 and PD-L2 expression changes on peripheral blood myeloid dendritic cells (mDCs) cells; compare the changes of interleukin-2, interleukin-6, interleukin-10, and interleukin-17A (IL-2, IL-6, IL-10, and IL-17), tumor necrosis factor (TNF), and interferon gamma (IFN-γ) concentrations on peripheral blood inflammatory factors in the two groups; and isolate the two groups of peripheral blood mDCs cells; α interferon upregulated PD-L1 expression in the cells and analyzed the effect of PD-L1 expression on the ability of mDCs to stimulate T cells to secrete cytokines.Results. …”
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Uridine-cytidine kinase 2 is correlated with immune, DNA damage repair and promotion of cancer stemness in pan-cancer by Jinlong Tian, Yanlei Li, Yu Tong, Yuan Zhang, Tingxiao Zhao, Yao Kang, Qing Bi

“…Moreover, as expected, the immune checkpoint human leucocyte antigen (HLA) was found to be negatively related to UCK2. …”
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