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https://www.readbyqxmd.com/read/28724396/pathogenic-roles-of-cxcl10-signaling-through-cxcr3-and-tlr4-in-macrophages-and-t-cells-relevance-for-arthritis
#1
Jong-Ho Lee, Bongjun Kim, Won Jong Jin, Hong-Hee Kim, Hyunil Ha, Zang Hee Lee
BACKGROUND: Rheumatoid arthritis (RA) is a chronic autoimmune disease characterized by uncontrolled joint inflammation and destruction of bone and cartilage. We previously reported that C-X-C motif chemokine 10 (CXCL10; also called IP-10) has important roles in joint inflammation and bone destruction in arthritis. However, the specific mechanisms by which CXCL10 regulates the recruitment of inflammatory cells and the production of osteoclastogenic cytokines in RA progression are not fully understood...
July 19, 2017: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/28724175/myo-inositol-and-selenium-reduce-the-risk-of-developing-overt-hypothyroidism-in-patients-with-autoimmune-thyroiditis
#2
S M Ferrari, P Fallahi, F Di Bari, R Vita, S Benvenga, A Antonelli
OBJECTIVE: The beneficial effects obtained by myo-inositol in association with seleno-methionine in patients affected by subclinical hypothyroidism have been recently demonstrated. Here, we evaluate the immune-modulating effect of myo-inositol in association with seleno-methionine in patients with euthyroid autoimmune thyroiditis (AT). PATIENTS AND METHODS: Twenty-one consecutive Caucasian patients with newly diagnosed euthyroid chronic AT were evaluated. All subjects were treated with myo-inositol in association with selenium (600 mg/83 mg) tablets, twice per day, for six months...
June 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28724172/favorable-effects-of-myo-inositol-selenomethionine-or-their-combination-on-the-hydrogen-peroxide-induced-oxidative-stress-of-peripheral-mononuclear-cells-from-patients-with-hashimoto-s-thyroiditis-preliminary-in-vitro-studies
#3
S Benvenga, T Vicchio, F Di Bari, R Vita, P Fallahi, S M Ferrari, S Catania, C Costa, A Antonelli
OBJECTIVE: The aim of this study was to assess whether blood mononuclear cells (PBMC) from Hashimoto's thyroiditis (HT) and control women, were protected from in vitro H2O2-induced oxidative stress after addition of antioxidants. PATIENTS AND METHODS: PBMC, from 8 HT women and 3 healthy women (controls), were cultured in the presence of 200 µM H2O2 alone, with subsequent addition of myo-inositol (Myo) (0.25, 0.5, 1.0 µM), selenomethionine (SelMet) (0.25, 0.5, 1...
June 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28717357/high-levels-of-cxcl8-and-low-levels-of-cxcl9-and-cxcl10-in-women-with-maternal-rhd-alloimmunization
#4
Juliana Araújo de Carvalho Schettini, Thomás Virgílio Gomes, Alexandra Karla Santos Barreto, Claudeir Dias da Silva Júnior, Marina da Matta, Isabela Cristina Neiva Coutinho, Maria do Carmo Valgueiro Costa de Oliveira, Leuridan Cavalcante Torres
Maternal RhD alloimmunization is an inflammatory response against protein antigens in fetal red blood cells (RBC). However, not all women become alloimmunized when exposed to RhD(+) fetal RBC. Thus, this study aimed to evaluate levels of inflammatory chemokines in RhD(-) pregnant women with erythrocyte alloimmunization. CXCL8, CXCL9, CCL5, and CXCL10 levels were determined from cell culture supernatants by flow cytometry in 46 (30 non-alloimmunized RhD(-) and 16 previously alloimmunized RhD(-)) pregnant women...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28717003/surface-toll-like-receptor-3-expression-in-metastatic-intestinal-epithelial-cells-induces-inflammatory-cytokine-production-and-promotes-invasiveness
#5
Marit Bugge, Bjarte Bergstrom, Oda Kamilla Eide, Helene Solli, Ingrid F Kjønstad, Jørgen Stenvik, Terje Espevik, Nadra J Nilsen
Toll-like receptors (TLR)s are innate immune receptors for sensing microbial molecules and damage-associated molecular patterns released from host cells. Double-stranded RNA and the synthetic analog polyinosinic:polycytidylic acid (Poly(I:C)) bind and activate TLR3. This stimulation leads to recruitment of the adaptor molecule TRIF and activation of the transcription factors nuclear factor κB (NF-κB) and interferon regulatory factor 3 (IRF-3), classically inducing IFNβ production. Here, we report that unlike non-metastatic intestinal epithelial cells (IECs), metastatic IECs express TLR3, and that TLR3 promotes invasiveness of these cells...
July 17, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28715614/intraperitoneal-administration-of-adipose-tissue-derived-stem-cells-for-the-rescue-of-retinal-degeneration-in-a-mouse-model-via-indigenous-cntf-up-regulation-by-il-6
#6
Jeong Hoon Heo, Jung Ae Yoon, Eun Kyung Ahn, Hyun Kim, Sang Hwa Urm, Chul Oh Oak, Byeng Chul Yu, Sang Joon Lee
As the world's population begins to age, retinal degeneration is an increasing problem, and various treatment modalities are being developed. However, there have been no therapies for degenerative retinal conditions that are not characterized by neovascularization. We investigated whether transplantation of mouse adipose tissue-derived stem cells (mADSC) into the intraperitoneal space has a rescue effect on NaIO3 -induced retinal degeneration in mice. In this study, mADSC transplantation recovered visual function and preserved the retinal outer layer structure compared to the control group without any integration of mADSC into the retina...
July 17, 2017: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/28713871/immune-dysfunctionality-of-replicative-senescent-mesenchymal-stromal-cells-is-corrected-by-ifn%C3%AE-priming
#7
Raghavan Chinnadurai, Devi Rajan, Spencer Ng, Kenneth McCullough, Dalia Arafat, Edmund K Waller, Larry J Anderson, Greg Gibson, Jacques Galipeau
Industrial-scale expansion of mesenchymal stromal cells (MSCs) is often used in clinical trials, and the effect of replicative senescence on MSC functionality is of mechanistic interest. Senescent MSCs exhibit cell-cycle arrest, cellular hypertrophy, and express the senescent marker β-galactosidase. Although both fit and senescent MSCs display intact lung-homing properties in vivo, senescent MSCs acquire a significant defect in inhibiting T-cell proliferation and cytokine secretion in vitro. IFNγ does not upregulate HLA-DR on senescent MSCs, whereas its silencing did not reverse fit MSCs' immunosuppressive properties...
April 25, 2017: Blood Advances
https://www.readbyqxmd.com/read/28702457/multiple-myeloma-cells-express-key-immunoregulatory-cytokines-and-modulate-the-monocyte-migratory-response
#8
Leonardo Freire-de-Lima, Ana Flávia Fernandes Ribas Nardy, Erivan Schnaider Ramos-Junior, Luciana Conde, Jéssica Santos Lemos, Leonardo Marques da Fonseca, Juliana Echevarria Lima, Angelo Maiolino, Alexandre Morrot
Multiple myeloma (MM) is a plasma cell disorder that still remains incurable. The immune dysfunction of the host is a striking characteristic of MM, leading to tumor growth and reducing the survival rate of patients. Monocytes are precursors of conventional dendritic cells (DCs), a major player in the immunity mechanisms driving protective T cell responses against tumor. Herein, we report that human MM RPMI 8226 cell line shows a pronounced chemoattractant activity for monocytes and also expresses enhanced levels of the leukocyte chemotactic cytokines CXCL12, CCL5, MIP-1β, and CXCL10 in association with elevated levels of both key immunoregulatory interleukins such as IL-4 and IL-10...
2017: Frontiers in Medicine
https://www.readbyqxmd.com/read/28698095/circulating-cxcl10-is-increased-in-non-segmental-vitiligo-in-presence-or-absence-of-autoimmune-thyroiditis
#9
REVIEW
Silvia Martina Ferrari, Poupak Fallahi, Giulia Santaguida, Camilla Virili, Ilaria Ruffilli, Francesca Ragusa, Marco Centanni, Alessandro Antonelli
Recently the importance of CXCL10 in the pathogenesis of non-segmental vitiligo (NSV) and autoimmune thyroid disorders (AITD) has been shown. No data are present about chemokines CXCL10 (Th1 prototype) and CCL2 (Th2 prototype) circulating levels in NSV patients with/without thyroiditis (AT). Serum CXCL10 and CCL2 have been measured in 50 consecutive NSV patients, in 40 consecutive patients with NSV and AT (NSV+AT), in 50 sex- and age-matched controls without AT (control 1) and in 40 sex- and age-matched patients with AT without NSV (control 2)...
July 8, 2017: Autoimmunity Reviews
https://www.readbyqxmd.com/read/28698094/biomarkers-of-disease-activity-in-vitiligo-a-systematic-review
#10
REVIEW
R Speeckaert, M Speeckaert, S De Schepper, N van Geel
The pathophysiology of vitiligo is complex although recent research has discovered several markers which are linked to vitiligo and associated with disease activity. Besides providing insights into the driving mechanisms of vitiligo, these findings could reveal potential biomarkers. Activity markers can be used to monitor disease activity in clinical trials and may also be useful in daily practice. The aim of this systematic review was to document which factors have been associated with vitiligo activity in skin and blood...
July 8, 2017: Autoimmunity Reviews
https://www.readbyqxmd.com/read/28693588/cxcl11-production-in-cerebrospinal-fluid-distinguishes-herpes-simplex-meningitis-from-herpes-simplex-encephalitis
#11
Liza Lind, Marie Studahl, Linn Persson Berg, Kristina Eriksson
BACKGROUND: The closely related herpes simplex viruses 1 and 2 can cause inflammations of the central nervous system (CNS), where type 1 most often manifest as encephalitis (HSE), and type 2 as meningitis (HSM). HSE is associated with severe neurological complications, while HSM is benign in adults. We proposed that studying the chemokine and cytokine production in cerebrospinal fluid (CSF) and serum could indicate why two closely related viruses exhibit different severity of their accompanied CNS inflammation...
July 10, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/28686641/the-prognostic-importance-of-cxcr3-chemokine-during-organizing-pneumonia-on-the-risk-of-chronic-lung-allograft-dysfunction-after-lung-transplantation
#12
Michael Y Shino, S Samuel Weigt, Ning Li, Vyacheslav Palchevskiy, Ariss Derhovanessian, Rajan Saggar, David M Sayah, Richard H Huynh, Aric L Gregson, Michael C Fishbein, Abbas Ardehali, David J Ross, Joseph P Lynch, Robert M Elashoff, John A Belperio
RATIONALE: Since the pathogenesis of chronic lung allograft dysfunction (CLAD) remains poorly defined with no known effective therapies, the identification and study of key events which increase CLAD risk is a critical step towards improving outcomes. We hypothesized that bronchoalveolar lavage fluid (BALF) CXCR3 ligand concentrations would be augmented during organizing pneumonia (OP) and that episodes of OP with marked chemokine elevations would be associated with significantly higher CLAD risk...
2017: PloS One
https://www.readbyqxmd.com/read/28680756/amplification-of-n-myc-is-associated-with-a-t-cell-poor-microenvironment-in-metastatic-neuroblastoma-restraining-interferon-pathway-activity-and-chemokine-expression
#13
Julian P Layer, Marie T Kronmüller, Thomas Quast, Debby van den Boorn-Konijnenberg, Maike Effern, Daniel Hinze, Kristina Althoff, Alexander Schramm, Frank Westermann, Martin Peifer, Gunther Hartmann, Thomas Tüting, Waldemar Kolanus, Matthias Fischer, Johannes Schulte, Michael Hölzel
Immune checkpoint inhibitors have significantly improved the treatment of several cancers. T-cell infiltration and the number of neoantigens caused by tumor-specific mutations are correlated to favorable responses in cancers with a high mutation load. Accordingly, checkpoint immunotherapy is thought to be less effective in tumors with low mutation frequencies such as neuroblastoma, a neuroendocrine tumor of early childhood with poor outcome of the high-risk disease group. However, spontaneous regressions and paraneoplastic syndromes seen in neuroblastoma patients suggest substantial immunogenicity...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28679952/severe-asthma-in-humans-and-mouse-model-suggests-a-cxcl10-signature-underlies-corticosteroid-resistant-th1-bias
#14
Marc Gauthier, Krishnendu Chakraborty, Timothy B Oriss, Mahesh Raundhal, Sudipta Das, Jie Chen, Rachael Huff, Ayan Sinha, Merritt Fajt, Prabir Ray, Sally E Wenzel, Anuradha Ray
We previously showed that Th1/type 1 inflammation marked by increased IFN-γ levels in the airways can be appreciated in 50% of patients with severe asthma, despite high dose corticosteroid (CS) treatment. We hypothesized that a downstream target of IFN-γ, CXCL10, which recruits Th1 cells via the cognate receptor CXCR3, is an important contributor to Th1high asthma and CS unresponsiveness. We show high levels of CXCL10 mRNA closely associated with IFNG levels in the BAL cells of 50% of severe asthmatics and also in the airways of mice subjected to a severe asthma model, both in the context of high-dose CS treatment...
July 6, 2017: JCI Insight
https://www.readbyqxmd.com/read/28676458/vitamin-d-deficiency-and-sex-specific-dysregulation-of-placental-inflammation
#15
Nancy Q Liu, Dean P Larner, Qingqiang Yao, Rene F Chun, Yuxin Ouyang, Rui Zhou, Jennifer A Tamblyn, Carol L Wagner, Martin Hewison
To investigate an immunomodulatory role for vitamin D in pregnancy we used mice raised on vitamin D-sufficient (SUFF), or -deficient (DEF) diets. At embryonic day 14, pregnant mice received intraperitoneal injection of lipopolysaccharide (LPS) or vehicle for 24hrs, with age-matched non-pregnant mice as controls. In non-pregnant mice, 6 serum analytes (IL-1β, IL-18, MDC/CCL22, MIP-1α/CCL3, EGF, IgA) were lower in DEF mice. In pregnant DEF mice only GH was higher. In non-pregnant mice LPS induced 28 analytes, with 5 (IL-18, IP-10/CXCL10, MCP-1/CCL2, MIP-1β/CCL4, MIP-3β/CCL19) being highest in DEF mice...
July 1, 2017: Journal of Steroid Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/28674524/psoriasis-psoriatic-arthritis-and-thyroid-autoimmunity
#16
REVIEW
Ilaria Ruffilli, Francesca Ragusa, Salvatore Benvenga, Roberto Vita, Alessandro Antonelli, Poupak Fallahi, Silvia Martina Ferrari
Psoriasis (PsO) is a chronic relapsing/remitting autoimmune skin disease, associated with an increased risk of other autoimmune disorders. Psoriatic arthritis (PsA) is a chronic inflammatory arthritis occurring approximately in 30% of PsO patients. Sporadic cases of association between PsO and autoimmune thyroid disorders (AITDs) have been reported. However, two different recent studies did not find any association between them. In patients with PsO and PsA, an association with AITD has been shown by most of the studies in adults, but not in the juvenile form...
2017: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/28674503/male-seminal-relaxin-contributes-to-induction-of-the-post-mating-cytokine-response-in-the-female-mouse-uterus
#17
Danielle J Glynn, Kee Heng, Darryl L Russell, David J Sharkey, Sarah A Robertson, Ravinder Anand-Ivell, Richard Ivell
The hormone relaxin is important in female reproduction for embryo implantation, cardiovascular function, and during labor and lactation. Relaxin is also synthesized in males by organs of the male tract. We hypothesized that relaxin might be one component of seminal plasma responsible for eliciting the female cytokine response induced in the uterus at mating. When recombinant relaxin was injected into the uterus of wild-type (Rln(+/+)) mice at estrus, it evoked the production of Cxcl1 mRNA and its secreted protein product CXCL1 in four of eight animals...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28674001/delineation-of-an-immunosuppressive-gradient-in-hepatocellular-carcinoma-using-high-dimensional-proteomic-and-transcriptomic-analyses
#18
Valerie Chew, Liyun Lai, Lu Pan, Chun Jye Lim, Juntao Li, Raymond Ong, Camillus Chua, Jing Yao Leong, Kiat Hon Lim, Han Chong Toh, Ser Yee Lee, Chung Yip Chan, Brian K P Goh, Alexander Chung, Pierce K H Chow, Salvatore Albani
The recent development of immunotherapy as a cancer treatment has proved effective over recent years, but the precise dynamics between the tumor microenvironment (TME), nontumor microenvironment (NTME), and the systemic immune system remain elusive. Here, we interrogated these compartments in hepatocellular carcinoma (HCC) using high-dimensional proteomic and transcriptomic analyses. By time-of-flight mass cytometry, we found that the TME was enriched in regulatory T cells (Tregs), tissue resident memory CD8(+) T cells (TRMs), resident natural killer cells (NKRs), and tumor-associated macrophages (TAMs)...
July 3, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28670372/cxcl10-accelerates-emt-and-metastasis-by-mmp-2-in-hepatocellular-carcinoma
#19
Tingting Ren, Lili Zhu, Mingliang Cheng
Human malignant hepatocellular carcinoma (HCC) is a common tumor, which severely threatens human health and shortens longevity. The poor prognosis of HCC is primarily attributed to distant metastases. C-X-C motif chemokine 10 (CXCL10) regulates the control of several cellular and developmental processes including tumor cell proliferation, apoptosis, and cell metastasis. Previous studies have confirmed that CXCL10 functions as an oncogene in several cancers. However, the expression and biological functions of CXCL10 in HCC, especially with regard to metastasis, need further investigation...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28669385/il-10-suppression-of-ifn-%C3%AE-responses-in-tuberculin-stimulated-whole-blood-from-mycobacterium-bovis-infected-cattle
#20
Michael P Sheridan, John A Browne, Mairead B Doyle, Tara Fitzsimons, Kevina McGill, Eamonn Gormley
The measurement of bovine interferon-gamma (IFN-γ) forms the basis of a diagnostic test for bovine tuberculosis where Mycobacterium bovis sensitised effector T cells produce IFN-γ following in vitro stimulation with tuberculin antigens. In cattle infected with M. bovis it is also known that the anti-inflammatory IL-10 cytokine can inhibit in vitro production of IFN-γ leading to a reduced response in the IFN-γ diagnostic test. In order to investigate this in greater detail, whole blood samples from tuberculin skin test positive and negative cattle were stimulated with bovine and avian tuberculin antigens and in parallel with a neutralising anti-IL-10 monoclonal antibody...
July 2017: Veterinary Immunology and Immunopathology
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