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Angelika Drynda, Bożena Obmińska-Mrukowicz, Ewa Zaczyńska, Michał Zimecki, Iwona Kochanowska, Stanisław Ryng, Marcin Mączyński
Isoxazoles are an important class of compounds of potential therapeutic value. The aim of this study was to determine immunotropic effects of 5-amino-3-methyl-4-isoxazolecarboxylic acid hydrazide derivatives on spontaneous and mitogen-induced lymphocyte proliferation in young and old mice, cytokine production by peritoneal cells as well as possible mechanism of action in a model of Jurkat cells. Three month and thirteen month old BALB/c mice were used as donors of the cells from a thymus, a spleen, mesenteric lymph nodes and a peritoneal cavity...
October 25, 2016: Chemical Biology & Drug Design
Han-Shi Zeng, Wei-Xia Lin, Shu-Tao Zhao, Zhan-Hui Zhang, Heng-Wen Yang, Feng-Ping Chen, Yuan-Zong Song, Zhi-Nan Yin
Neonatal intrahepatic cholestasis caused by citrin deficiency (NICCD) is an autosomal recessive disorder resulting from biallelic mutations of the SLC25A13 gene. Due to the lack of well‑recognized clinical or biochemical diagnostic criteria, the definitive diagnosis of this disease relies on the genetic analysis of SLC25A13 at present. As novel large deletion/insertion mutations of the SLC25A13 gene are difficult to detect using routine DNA analytic approaches, the timely diagnosis of patients with these types of mutations remains a challenge...
October 21, 2016: Molecular Medicine Reports
Adrianne Tsen, Yasmin Alishahi, Laura Rosenkranz
Autoimmune pancreatitis (AIP) occurring in association with inflammatory bowel disease (IBD) is rather rare and carries a worse prognosis and greater disease severity compared with IBD alone. Although it is an infrequently documented association, progress over the last 20 years has led to better understanding of the association between AIP and IBD. IBD has a stronger association with type 2 than with type 1 AIP. Clinical and histologic features of AIP-IBD more often reveal features of type 2 AIP. Imaging is not helpful in facilitating the diagnosis of AIP and IBD...
October 24, 2016: Journal of Clinical Gastroenterology
ShaoMing Zhu, Yulituzi Waili, XiaoTing Qi, YueMei Chen, YuFeng Lou
BACKGROUND: The lymphocyte-monocyte ratio (LMR) in the peripheral blood is suggested to be a potential biomarker for predicting the clinical outcomes of several diseases. We aimed to evaluate the relative efficiency of LMR for predicting 3-month mortality in patients with acute-on-chronic liver failure (AoCLF). PATIENTS AND METHODS: In this study, 74 chronic hepatitis B patients, 90 AoCLF patients, and 70 healthy controls were followed up for 4 months. The primary endpoint was 3-month in-hospital mortality...
October 24, 2016: European Journal of Gastroenterology & Hepatology
Ahmad Salimi, Mehryar Habibi Roudkenar, Leila Sadeghi, Alireza Mohseni, Enayatollah Seydi, Nahal Pirahmadi, Jalal Pourahmad
The present study investigates the in vitro and in vivo effect of acacetin (4'-methoxy-5,7-dihydroxyflavone) on chronic lymphocytic leukemia (CLL) B-lymphocytes and mitochondria. CLL B-lymphocytes and healthy B-lymphocytes were obtained from CLL patients and healthy donors, respectively. Mitochondria were isolated from B-lymphocytes of both groups. Xenografts in severe combined immune deficient mice were used to examine the toxicity and anti CLL activity of acacetin. We evaluated and compared the mechanism of action of acacetin on CLL and healthy B-lymphocytes and their mitochondria...
October 25, 2016: Nutrition and Cancer
Jessica L Barrington-Trimis, Myles Cockburn, Catherine Metayer, W James Gauderman, Joseph Wiemels, Roberta McKean-Cowdin
Incidence rates of childhood leukemia in the United States have steadily increased over the last several decades, but only recently have disparities in the increase in incidence been recognized. In the current analysis, Surveillance, Epidemiology and End Results (SEER) data were used to evaluate recent trends in the incidence of childhood leukemia diagnosed at age 0-19 years from 1992-2013, overall and by age, race/ethnicity, gender, and histologic subtype. Hispanic White children were more likely than non-Hispanic White, non-Hispanic Black or non-Hispanic Asian children to be diagnosed with acute lymphocytic leukemia (ALL) from 2009-2013...
October 25, 2016: International Journal of Cancer. Journal International du Cancer
Faruk Tas, Kayhan Erturk
BACKGROUND: Invasion of the lymphatic or vascular vessels by the primary tumor is considered a sign of aggressive disease that leads to metastases to the regional lymph nodes and to distant sites. Although lymphovascular invasion (LVI) is one of the major characteristics of a primary melanoma tumor, its prognostic significance remains controversial. OBJECTIVE: The objective of this study was to determine the clinical significance of LVI in melanoma patients. METHODS: Outcomes in 705 patients with cutaneous melanoma were investigated retrospectively...
October 25, 2016: International Journal of Dermatology
Angelos Kyriacou, Kanna Gnanalingham, Tara Kearney
PURPOSE: We set out to describe the modern day management of Lymphocytic hypophysitis (LH) with respect to its diagnosis, treatment and long-term endocrine and visual outcomes. We deliberately included patients with a clinical diagnosis of LH and compared them with those with a histological diagnosis following surgery. METHODS: A multi-centre observational study was performed. Twenty-two patients were included and studied over a mean follow-up period of 8.6 years (range 4-26 years)...
October 24, 2016: Pituitary
Miaomiao Bai, Hongnan Liu, Kang Xu, Abimbola Oladele Oso, Xin Wu, Gang Liu, Myrlene Carine B Tossou, Naif Abdullah Al-Dhabi, Veeramuthu Duraipandiyan, Qianyun Xi, Yinlong Yin
Tryptophan, a nutritionally essential amino acid, is active in the regulation of immune responses in animals. The products of tryptophan metabolism, such as indoleamine 2,3-dioxygenase, kynurenine, quinolinic acid, and melatonin, may improve immunity in an organism and induce anti-inflammatory responses. The immune tolerance processes mediated by tryptophan metabolites are not well understood. Recent studies have reported that the enzymes that break down tryptophan through the kynurenine metabolic pathway are found in numerous cell types, including immunocytes...
October 24, 2016: Amino Acids
Wei Wei, Chao Xu, Zhi-Yong Ye, Xiao-Jun Huang, Jia-En Yuan, Tian-Bao Ma, Han-Biao Lin, Xiu-Qiong Chen
The aim of the present study was to obtain the qualified hematopoietic stem/progenitor cells (HSC/HPC) and human umbilical cord-mesenchymal stem cells (MSC) in vitro in the co-culture system. Cord blood mononuclear cells were separated from umbilical cord blood by Ficoll lymphocyte separation medium, and then CD34(+) HSC was collected by MACS immunomagnetic beads. The selected CD34(+) HSC/HPC and MSC were transferred into culture flask. IMDM culture medium with 15% AB-type cord plasma supplemented with interleukin-3 (IL-3), IL-6, thrombopoietin (TPO), stem cell factor (SCF) and FMS-like tyrosine kinase 3 ligand (Flt-3L) factors were used as the co-culture system for the amplification of HSC/HPC and MSC...
October 25, 2016: Sheng Li Xue Bao: [Acta Physiologica Sinica]
June Ho Shin, Mikel D Haggadone, John B Sunwoo
The Distal-less (Dlx) homeobox transcription factors (TFs) play a prominent role in regulating multiple facets of vertebrate biology. Though widely studied as mediators of tissue development, recent work has uncovered a role for this TF family in modulating the vertebrate hematopoietic compartment. Pertinent to our study, murine Dlx1-3 are expressed in an innate lymphocyte population known as natural killer (NK) cells, and they are implicated to assume a functional role in the NK cell maturation pathway. However, Dlx target genes are poorly understood...
September 2016: Biochemistry and Biophysics Reports
Diana Golden, Antonina Kolmakova, Sunitha Sura, Anthony T Vella, Ani Manichaikul, Xin-Qun Wang, Suzette J Bielinski, Kent D Taylor, Yii-Der Ida Chen, Stephen S Rich, Annabelle Rodriguez
BACKGROUND: The lipoprotein scavenger receptor BI (SCARB1) rs10846744 noncoding variant is significantly associated with atherosclerotic disease independently of traditional cardiovascular risk factors. We identified a potentially novel connection between rs10846744, the immune checkpoint inhibitor lymphocyte activation gene 3 (LAG3), and atherosclerosis. METHODS: In vitro approaches included flow cytometry, lipid raft isolation, phosphosignaling, cytokine measurements, and overexpressing and silencing LAG3 protein...
October 20, 2016: JCI Insight
Viriya Kaewkangsadan, Chandan Verma, Jennifer M Eremin, Gerard Cowley, Mohammed Ilyas, Oleg Eremin
The tumour microenvironment consists of malignant cells, stroma, and immune cells. Prominent tumour-infiltrating lymphocytes (TILs) in breast cancer are associated with a good prognosis and are predictors of a pathological complete response (pCR) with neoadjuvant chemotherapy (NAC). The contribution of different T effector/regulatory cells and cytokines to tumour cell death with NAC requires further characterisation and was investigated in this study. Breast tumours from 33 women with large and locally advanced breast cancers undergoing NAC were immunohistochemically (intratumoural, stromal) assessed for T cell subsets and cytokine expression using labelled antibodies, employing established semiquantitative methods...
2016: Journal of Immunology Research
Carlos A Castaneda, Elizabeth Mittendorf, Sandro Casavilca, Yun Wu, Miluska Castillo, Patricia Arboleda, Teresa Nunez, Henry Guerra, Carlos Barrionuevo, Ketty Dolores-Cerna, Carolina Belmar-Lopez, Julio Abugattas, Gabriela Calderon, Miguel De La Cruz, Manuel Cotrina, Jorge Dunstan, Henry L Gomez, Tatiana Vidaurre
AIM: To determine influence of neoadjuvant-chemotherapy (NAC) over tumor-infiltrating-lymphocytes (TIL) in triple-negative-breast-cancer (TNBC). METHODS: TILs were evaluated in 98 TNBC cases who came to Instituto Nacional de Enfermedades Neoplasicas from 2005 to 2010. Immunohistochemistry staining for CD3, CD4, CD8 and FOXP3 was performed in tissue microarrays (TMA) sections. Evaluation of H/E in full-face and immunohistochemistry in TMA sections was performed in pre and post-NAC samples...
October 10, 2016: World Journal of Clinical Oncology
MacLean Hall, Hao Liu, Mokenge Malafa, Barbara Centeno, Pamela J Hodul, José Pimiento, Shari Pilon-Thomas, Amod A Sarnaik
BACKGROUND: We evaluated whether tumor infiltrating lymphocytes (TIL) could be expanded from surgically resected tumors from pancreatic cancer patients. METHODS: Tumors were resected from pancreatic cancer patients. Tumors were minced into fragments and cultured in media containing high dose interleukin-2 (IL-2) for up to 6 weeks. T cell phenotype, activation markers, and reactivity were measured. RESULTS: TIL expansion was measured in 19 patient samples...
2016: Journal for Immunotherapy of Cancer
Sasha E Stanton, Mary L Disis
Tumor infiltrating lymphocytes (TIL) play an essential role in mediating response to chemotherapy and improving clinical outcomes in all subtypes of breast cancer. Triple negative breast cancers (TN) are most likely to have tumors with >50 % lymphocytic infiltrate, termed lymphocyte predominant breast cancer, and derive the greatest survival benefit from each 10 % increase in TIL. The majority of HER2(+) breast cancers have similar level of immune infiltrate as TN breast cancer yet the presence of TILs has not shown the same survival benefit...
2016: Journal for Immunotherapy of Cancer
Santhilal Subhash, Per-Ola Andersson, Subazini Thankaswamy Kosalai, Chandrasekhar Kanduri, Meena Kanduri
BACKGROUND: Methyl-CpG-binding domain protein enriched genome-wide sequencing (MBD-Seq) is a robust and powerful method for analyzing methylated CpG-rich regions with complete genome-wide coverage. In chronic lymphocytic leukemia (CLL), the role of CpG methylated regions associated with transcribed long noncoding RNAs (lncRNA) and repetitive genomic elements are poorly understood. Based on MBD-Seq, we characterized the global methylation profile of high CpG-rich regions in different CLL prognostic subgroups based on IGHV mutational status...
2016: Clinical Epigenetics
Lianghua Bin, Donald Y M Leung
BACKGROUND: Atopic dermatitis (AD) is a chronic inflammatory disease caused by the complex interaction of genetic, immune and environmental factors. There have many recent discoveries involving the genetic and epigenetic studies of AD. METHODS: A retrospective PubMed search was carried out from June 2009 to June 2016 using the terms "atopic dermatitis", "association", "eczema", "gene", "polymorphism", "mutation", "variant", "genome wide association study", "microarray" "gene profiling", "RNA sequencing", "epigenetics" and "microRNA"...
2016: Allergy, Asthma, and Clinical Immunology
Yong-Kang Yang, Chao Yang, Waipan Chan, Zhaoquan Wang, Katelynn E Deibel, Joel L Pomerantz
The activation of NF-κB downstream of T Cell Receptor (TCR) engagement is a key signaling step required for normal lymphocyte function during the adaptive immune response. During TCR signaling, the adaptor protein Bcl10 is inducibly recruited to the CARD11 scaffold protein as part of a multicomponent complex that induces IKK kinase activity and NF-κB activation. Here we show that a consequence of this recruitment is the TCR-induced conjugation of Bcl10 with linear-linked polyubiquitin chains, to generate the signaling intermediate Lin(Ub)n-Bcl10, which is required for the association of Bcl10 with the NEMO subunit of the IKK complex...
October 24, 2016: Journal of Biological Chemistry
He Huang, Zhao-Tao Tian, Yong-Ming Yao, Tan-Shi Li
OBJECTIVE: To investigate the effect of tumor necrosis factor-α-induced protein 8 like-2 (TIPE2) on apoptosis of CD4(+) T lymphocytes in a murine model of severe burn injury. METHODS: A total of 140 male mice were randomly allocated into 6 groups. Small RNA interference technique was used to construct a siTIPE2-overexpressing lentivirus, and severe burn injury models were established in the mice. CD4(+) T cells were purified from spleen of the mice, and the expressions of TIPE2, Smad2/Smad3, P-Smad2/P-Smad3 and Bcl-2/Bimprotein in CD4(+) Tregs were detected...
October 20, 2016: Nan Fang Yi Ke da Xue Xue Bao, Journal of Southern Medical University
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