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Wan-Lin Zhang, Shuang Ma, Rachel Jug, Fan Li, Endi Wang, Huan-Yu Zhao, Hong-Tao Xu, Lin Cai, Cheng-Qian Yu, Shuai Shen, Lian-He Yang
RATIONALE: Primary testicular natural killer (NK)/T-cell lymphoma is an extremely rare and highly aggressive lymphoid malignancy. At present, only 20 cases have been reported. PATIENT CONCERNS: A 32-year-old Chinese man complained of discomfort and swelling of his right testicle for 3 months. Physical examination revealed a 10 × 10 × 9.5 cm mass on the right side of the scrotum area. DIAGNOSES: Pathologic evaluation showed effacement of normal testicular parenchymal architecture by small-to-medium-sized lymphoid cells with irregular nuclear profiles, and immunohistochemical studies positively expressed CD2, CD56, cytoplasmic CD3, granzyme B, perforin, and TIA-1...
March 2018: Medicine (Baltimore)
Chang Ho Yoon, Daeseung Lee, Hyun Jeong Jeong, Jin Suk Ryu, Mee Kum Kim
PURPOSE: Interleukin (IL)-22 is a cytokine involved in epithelial cell regeneration. Currently, no research studies have analyzed the distribution of the three distinct IL-22-secreting cell populations in human or mouse conjunctiva. This study investigated the distribution of the three main populations of IL-22-secreting immune cells, αβ Th cells, γδ T cells, or innate cells (innate lymphoid cells [ILCs] or natural killer cells), in conjunctival associated lymphoid tissues (CALTs) in human and mouse models...
March 19, 2018: Korean Journal of Ophthalmology: KJO
Mads N Olesen, Josefine R Christiansen, Steen Vang Petersen, Poul Henning Jensen, Wojciech Paslawski, Marina Romero-Ramos, Vanesa Sanchez-Guajardo
We have previously shown that immunological processes in the brain during α-synuclein-induced neurodegeneration vary depending on the presence or absence of cell death. This suggests that the immune system is able to react differently to the different stages of α-synuclein pathology. However, it was unclear whether these immune changes were governed by brain processes or by a direct immune response to α-synuclein modifications. We have herein locally increased the peripheral concentration of α-synuclein or its pathology-associated variants, nitrated or fibrillar, to characterize the modulation of the CD4 T cell pool by α-synuclein and brain microglia in the absence of any α-synuclein brain pathology...
January 2018: Heliyon
Xiujuan Zhou, Jing Xing, Xiaoqian Tang, Wenbin Zhan
Outer membrane protein (Omp) K, OmpR and VAA have been identified with good immunogenicity from Vibrio anguillarum, and their recombinant proteins showed variable relative percent survival (RPS) in previous study. In order to develop effective bivalent vaccine candidates, recombinant (r) VAA + rOmpK (AK), rVAA + rOmpR (AR), rOmpK + rOmpR (KR) among VAA, OmpK and OmpR, or formalin-killed cells (FKC) of V. anguillarum were immunized in flounder, respectively. Results revealed that AK, AR, KR and FKC could induce the proliferation of surface membrane immunoglobulin-positive B lymphocytes or CD3+ T lymphocytes in peripheral blood lymphocytes, and significantly enhance the total antibodies, specific antibodies and immune-related gene than those of control group...
March 17, 2018: Developmental and Comparative Immunology
Abhinav Saurabh, Sushmita Chakraborty, Prabin Kumar, Anant Mohan, Anuj K Bhatnagar, Narayan Rishi, Dipendra Kumar Mitra
Human Leukocyte Antigen-G (HLA-G), a non-classical, class Ib molecule, has been shown to mediate immunoregulatory functions by inducing apoptosis, inhibits cytotoxicity and differentiation by modulating cytokine secretion. Due to its immune-suppressive function, it facilitates tolerance in feto-maternal interface and transplantation. In contrary, it favours immune evasion of microbes and tumors by inhibiting immune and inflammatory responses. In Tuberculosis (TB), we previously reported differential expression of HLA-G and its receptor Ig-like transcript -2 (ILT-2) in disseminated vs...
March 2018: Tuberculosis
Xiaoying Xu, Xiaoyan Liu, Shuran Ma, Ya Xu, Ying Xu, Xiazhen Guo, Dekui Li
Seasonal changes impact the melatonin production and immuno-activities in vertebrates. This is believed due to the photoperiodic alterations of the different seasons which impact the functions of pineal gland. The short photoperiod promotes pineal melatonin production. As a result, during the winter, animals have significantly higher levels of melatonin than in summer. However, the seasonal changes also include temperature changes. This factor has never been systemically investigated in animals. In the current study, we observed that increased temperature had limited influence on melatonin production...
March 20, 2018: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
Benjamin Benzon, Stephanie A Glavaris, Brian W Simons, Robert M Hughes, Kamyar Ghabili, Patrick Mullane, Rebecca Miller, Katriana Nugent, Brian Shinder, Jeffrey Tosoian, Ephraim J Fuchs, Phuoc T Tran, Paula J Hurley, Milena Vuica-Ross, Edward M Schaeffer, Charles G Drake, Ashley E Ross
BACKGROUND: Prostate cancer remains the second leading cause of cancer related death in men. Immune check point blocking antibodies have revolutionized treatment of multiple solid tumors, but results in prostate cancer remain marginal. Previous reports have suggested that local therapies, in particular cryoablation might increase tumor immunogenicity. In this work, we examine potential synergism between tumor cryoabalation and check point blocking antibodies. METHODS: FVB/NJ mice were injected subcutaneously into each flank with either 1 × 106 or 0...
March 20, 2018: Prostate Cancer and Prostatic Diseases
Baoren Zhang, Yi Liu, Xu Lan, Xiaoxi Xu, Xiaoning Zhang, Xiang Li, Yiming Zhao, Guang Li, Caigan Du, Shanzheng Lu, Hao Wang
BACKGROUND: Ulcerative colitis (UC) is a type of inflammatory bowel disease (IBD) characterized by chronic inflammation of colon. It is commonly believed that the imbalance of immune system and overwhelming production of cytokines are involved in the pathogenesis of UC. Recent studies demonstrated that interleukin-35 (IL-35), a key player in the regulation of inflammation, has been identified as potential therapeutic target to treat UC. However, conventional intravenous administration is costly and inconvenient...
March 20, 2018: Journal of Translational Medicine
Otoya Ueda, Naoko A Wada, Yasuko Kinoshita, Hiroshi Hino, Mami Kakefuda, Tsuneo Ito, Etsuko Fujii, Mizuho Noguchi, Kiyoharu Sato, Masahiro Morita, Hiromi Tateishi, Kaoru Matsumoto, Chisato Goto, Yosuke Kawase, Atsuhiko Kato, Kunihiro Hattori, Junichi Nezu, Takahiro Ishiguro, Kou-Ichi Jishage
This corrects the article DOI: 10.1038/srep45839.
March 19, 2018: Scientific Reports
Liziane Cattelan Donaduzzi, Angélica Reinheimer, Maria Augusta Ramires da Silva, Lucia de Noronha, Aline Cristina Batista Rodrigues Johann, Ademir Franco, Soraya de Azambuja Berti Couto, Paulo Henrique Couto Souza
Objective: To report a case of a challenging oral diagnosis involving a primary diffuse large B cell lymphoma of the oral cavity mimicking a hyperplastic reactive lesion. Case Report: A 72-year-old male patient was referred to the Department of Stomatology presenting a proliferative nodular lesion in the anterior region of the mandible involving the anterior teeth. The clinical examination revealed anterior teeth affected by periodontal disease, suggesting the nodular cession hyperplastic reaction...
2018: Case Reports in Pathology
Weili Wang, Kuansong Wang, Zihua Chen, Ling Chen, Wei Guo, Ping Liao, Daniel Rotroff, Todd C Knepper, Zhaoqian Liu, Wei Zhang, Howard L Mcleod, Yijing He
Background: Gastric cancer (GC) is a major cause of cancer deaths, especially in Eastern Asia. Current classification systems, including the WHO, Lauren, and TCGA, have clarified the pathological and molecular profiles of GC. However, these classifications lack an association with clinical outcome and guidance for medication selection. Objective: We aimed to identify a new immunoclassification for GC to better predict patient prognosis and aid in patient selection for immunotherapy...
February 23, 2018: Oncotarget
Hoang Thi My Nhung, Bui Viet Anh, Truong Linh Huyen, Doan Trung Hiep, Chu Thi Thao, Phung Nam Lam, Nguyen Thanh Liem
Lung cancer is the most common type of cancer with the highest cancer-associated mortality rates worldwide, as well as in Vietnam. Numerous studies have demonstrated that higher numbers and higher rate of activity of infiltrating natural killer (NK) cells and cytotoxic T lymphocytes (CTLs) in the tumor are closely correlated with positive prognosis, tumor size decrease and longer survival of lung cancer patients. In the present study, the effectiveness of BINKIT® kit in the ex vivo expansion of NK cells and CTLs in the peripheral blood of 7 patients aged between 30 and 84 years with metastatic lung cancer was evaluated...
April 2018: Oncology Letters
Dong Gao, Yongguang Cai, Yanyuan Chen, Wang Li, Chih-Chang Wei, Xiaoling Luo, Yuhuan Wang
Toll-like receptor (TLR) 7/8 agonists have been applied in combination with chemo-, radio- or immunotherapy for lymphoma, and used as topical drugs for the treatment of viral skin lesions and skin tumors. In the present study, the role of an adenine analog, 9-(4-carboxyphenyl)-8-hydroxy-2-(2-methoxyethoxy)-adenine [termed Gao Dong (GD)], a novel TLR7 agonist, in the activation of cytokine-induced killer/natural killer (CIK/NK) cells was determined. The results of the present study indicated that GD was able to activate CIK/NK cells...
April 2018: Oncology Letters
Sujun Sun, Haiyu Ji, Yingying Feng, Yu Kang, Juan Yu, Anjun Liu
Background: Thymic atrophy was discovered in tumor-bearing mice in recent years. Methods: Flow cytometry was carried out including Annexin V-FITC/PI double staining, PI staining, Terminal dUTP nick-end labeling, CD3-FITC/CD19-PE and CD8-FITC/CD4-PE double staining. Enzyme-linked immunosorbent assay and polymerase chain reaction were also investigated. Results: According to our experiments, we demonstrated that no signs of apoptosis in thymocytes were found in H22-bearing mice, while the proportions of CD4+ T cells and CD8+ T cells in thymuses were remarkably increased, the opposite tendency was found in peripheral bloods, and only CD3+ CD8+ T cells were discovered in H22 solid tumors...
2018: Cancer Management and Research
Bryan Ceronie, Benjamin M Jacobs, David Baker, Nicolas Dubuisson, Zhifeng Mao, Francesca Ammoscato, Helen Lock, Hilary J Longhurst, Gavin Giovannoni, Klaus Schmierer
BACKGROUND: The mechanism of action of oral cladribine, recently licensed for relapsing multiple sclerosis, is unknown. OBJECTIVE: To determine whether cladribine depletes memory B cells consistent with our recent hypothesis that effective, disease-modifying treatments act by physical/functional depletion of memory B cells. METHODS: A cross-sectional study examined 40 people with multiple sclerosis at the end of the first cycle of alemtuzumab or injectable cladribine...
March 17, 2018: Journal of Neurology
Dmitry Balashov, Alexandra Laberko, Anna Shcherbina, Pavel Trakhtman, Dmitrii Abramov, Elena Gutovskaya, Svetlana Kozlovskaya, Larisa Shelikhova, Galina Novichkova, Michael Maschan, Alexander Rumiantsev, Alexei Maschan
Our initial experience of hematopoietic stem cell transplantation (HSCT) from a matched unrelated donor (MUD; n=12) or a haploidentical related donor (n=6) with TCRαβ+/CD19+ graft depletion for Wiskott-Aldrich syndrome (WAS) patients (n=18) showed a dramatic decrease in the incidence of graft-versus-host disease (GVHD) and transplant-related mortality, with an increased rate of overall survival (OS) of 88,9%. Unfortunately, the treatment was associated with mixed myeloid donor chimerism and secondary graft dysfunction (severe thrombocytopenia, n=2; graft rejection, n=5)...
March 14, 2018: Biology of Blood and Marrow Transplantation
Sarene Koh, Janine Kah, Christine Y L Tham, Ninghan Yang, Erica Ceccarello, Adeline Chia, Margaret Chen, Atefeh Khakpoor, Andrea Pavesi, Anthony T Tan, Maura Dandri, Antonio Bertoletti
BACKGROUND & AIMS: Strategies to develop virus-specific T cells against hepatic viral infections have been hindered by safety concerns. We engineered non-lytic human T cells to suppress replication of hepatitis B virus (HBV) and hepatitis C virus (HCV) without overt hepatotoxicity, and investigated their antiviral activity. METHODS: We electroporated resting T cells or T cells activated by anti-CD3 with mRNAs encoding HBV or HCV-specific T-cell receptors (TCRs) to create 2 populations of TCR-reprogrammed T cells...
March 14, 2018: Gastroenterology
Ugur Sahin, Klara Dalva, Funda Gungor, Celalettin Ustun, Meral Beksac
Impact of donor-recipient killer immunoglobulin-like receptor (KIR) gene-gene matching on transplant outcomes is still inconclusive. Recent data suggest that killer cell immunoglobulin-like receptor (KIR) regulated natural killer cell (NK cell) activity may contribute to graft versus leukemia (GvL) effects and graft versus host disease (GvHD) after allogeneic hematopoietic stem cell transplantation (allo-HSCT). This case-control study aims to evaluate the effects of both aKIR and iKIR donor-recipient genotype matching on the outcomes of T cell replete HLA-identical sibling allo-HSCTs in a homogenous young patient population with myeloid leukemias...
March 16, 2018: Annals of Hematology
Yanbo Liu, Xuemei Sun, Xiaohui Zhao, Liping An, Zhuxing Wang, Jing Jiang, Weigao Shen, Xueliang Yang, Ying Sun
The research aimed to investigate secretion, expression and location of IL-17 relative ligands, IL-17 relative receptors, infiltrating inflammatory cells and parenchymal structural cells in colorectal cancer (CRC) compared with ulcerative colitis (UC) and benign hyperplastic polyp. 29 human intestinal tissues with CRC, 17 with UC and 7 with polyp were stained using immunohistochemistry to evaluate immunoreactivity for IL-17 family relative ligands including IL-17A, E, F and their respective relative receptors such as IL-17RA, IL-17RB and IL-17RC...
March 7, 2018: Pathology, Research and Practice
Maliha Khan, Rabbia Siddiqi, Kiran Naqvi
Mixed phenotype acute leukemia (MPAL) is an uncommon diagnosis, representing only about 2-5% of acute leukemia cases. The blast cells of MPAL express multilineage immunophenotypic markers and may have a shared B/T/myeloid phenotype. Due to historical ambiguity in the diagnosis of MPAL, the genetics and clinical features of this disease remain poorly characterized. Based on the 2008 and 2016 World Health Organization classifications, myeloid lineage is best determined by presence of myeloperoxidase, while B and T lymphoid lineages are demonstrated by CD19 and cytoplasmic CD3 expression...
March 15, 2018: Annals of Hematology
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