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https://www.readbyqxmd.com/read/28821265/poncet-s-disease-after-the-intravesical-instillation-of-bacillus-calmette-gu%C3%A3-rin-bcg-a-case-report
#1
Paula Cíntia Machado Sampaio, Yan Garcia Lira, Hellen Yuki Umemura Ribeiro, Fernanda de Paula Moreira, Maitê Silva Martins Gadelha, Sérgio Ferreira Santos da Cruz
BACKGROUND: Poncet's disease is a rare syndrome characterized by articular impairment in a form of rare tuberculid. One of the theories of its cause involves an autoimmune response induced by the intravesical administration of the Calmette-Guerin Bacillus or the treatment of bladder carcinoma. Furthermore, there may be an appearance of oligoarticular or polyarticular arthritis, beginning 1-3 months after the start of therapy. Few physicians know the disease and the literature related to that syndrome is scarce and restricted to case reports, which contributes to its under diagnosis...
August 18, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28816020/real-world-efficacy-and-safety-of-ombitasvir-paritaprevir-r-dasabuvir-ribavirin-in-genotype-1b-patients-with-hcv-liver-cirrhosis
#2
Carmen Monica Preda, Corneliu Petru Popescu, Cristian Baicus, Theodor Voiosu, Mircea Manuc, Corina Silvia Pop, Liana Gheorghe, Ioan Sporea, Anca Trifan, Marcel Tantau, Alina Tantau, Emanoil Ceausu, Doina Proca, Ileana Constantinescu, Simona Maria Ruta, Mircea Diculescu, Alexandru Oproiu
BACKGROUND: Direct antiviral agents (DAA) showed very good results in terms of efficacy and safety in clinical trials, but real life data are still needed in order to confirm this profile. MATERIAL AND METHODS: In Romania, through a nationwide government-funded programme in 2015-2016, approx.5800 patients with virus C liver cirrhosis received fully reimbursed DAA therapy with OBV/PTV/r+DSV+RBV for 12 weeks. We analysed a national prospective cohort enrolling the first 2070 patients, all with genotype 1b...
August 17, 2017: Liver International: Official Journal of the International Association for the Study of the Liver
https://www.readbyqxmd.com/read/28800677/levothyroxine-enhances-glucose-clearance-and-blunts-the-onset-of-experimental-type-1-diabetes-mellitus-in-mice
#3
Livia López-Noriega, Nadia Cobo-Vuilleumier, Álvaro Jesús Narbona-Pérez, Juan Luis Araujo-Garrido, Petra Isabel Lorenzo, José Manuel Mellado-Gil, José Carlos Moreno, Benoit R Gauthier, Alejandro Martín-Montalvo
BACKGROUND AND PURPOSE: Thyroid hormones induce several changes in whole body metabolism that are known to improve metabolic homeostasis. However, adverse side effects have prevented its use in the clinic. In view of the promising effects of thyroid hormones, we investigated the effects of levothyroxine supplementation in glucose. EXPERIMENTAL APPROACH: C57BL/6 mice were treated with levothyroxine from birth to 24 weeks of age, when mice were euthanized. The effects of levothyroxine supplementation on metabolic health were determined...
August 11, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/28744199/differential-impact-of-mir-21-on-pain-and-associated-affective-and-cognitive-behavior-after-spared-nerve-injury-in-b7-h1-ko-mouse
#4
Franziska Karl, Anne Grießhammer, Nurcan Üçeyler, Claudia Sommer
MicroRNAs (miRNAs) are increasingly recognized as regulators of immune and neuronal gene expression and are potential master switches in neuropathic pain pathophysiology. miR-21 is a promising candidate that may link the immune and the pain system. To investigate the pathophysiological role of miR-21 in neuropathic pain, we assessed mice deficient of B7 homolog 1 (B7-H1), a major inhibitor of inflammatory responses. In previous studies, an upregulation of miR-21 had been shown in mouse lymphocytes. Young (8 weeks), middle-aged (6 months), and old (12 months) B7-H1 ko mice and wildtype littermates (WT) received a spared nerve injury (SNI)...
2017: Frontiers in Molecular Neuroscience
https://www.readbyqxmd.com/read/28725958/immune-surveillance-plays-a-role-in-locally-aggressive-giant-cell-lesions-of-bone
#5
REVIEW
Ahmad Al-Sukaini, Francis J Hornicek, Zachary S Peacock, Leonard B Kaban, Soldano Ferrone, Joseph H Schwab
BACKGROUND: Giant cell lesions are locally aggressive intraosseous neoplasms with capacity to metastasize. The role of immune surveillance in the pathophysiology of giant cell lesions is poorly understood, and understanding what role the immune system plays in giant cell lesions may lead to the development of more effective treatment. The aim of this study was to explore the role of immune surveillance in giant cell lesions by examining the expression of the HLA class I and class II antigens and tumor infiltrating lymphocytes...
July 19, 2017: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/28720806/heteroborospherene-clusters-nin%C3%A2-%C3%A2-%C3%A2-b40-n%C3%A2-%C3%A2-1-4-and-heteroborophene-monolayers-ni2%C3%A2-%C3%A2-%C3%A2-b14-with-planar-heptacoordinate-transition-metal-centers-in-%C3%AE-7-b7-heptagons
#6
Hai-Ru Li, Xin-Xin Tian, Xue-Mei Luo, Miao Yan, Yue-Wen Mu, Hai-Gang Lu, Si-Dian Li
With inspirations from recent discoveries of the cage-like borospherene B40 and perfectly planar Co ∈ B18(-) and based on extensive global minimum searches and first-principles theory calculations, we present herein the possibility of the novel planar Ni ∈ B18 (1), cage-like heteroborospherenes Nin ∈ B40 (n = 1-4) (2-5), and planar heteroborophenes Ni2 ∈ B14 (6, 7) which all contain planar or quasi-planar heptacoordinate transition-metal (phTM) centers in η(7)-B7 heptagons. The nearly degenerate Ni2 ∈ B14 (6) and Ni2 ∈ B14 (7) monolayers are predicted to be metallic in nature, with Ni2 ∈ B14 (6) composed of interwoven boron double chains with two phNi centers per unit cell being the precursor of cage-like Nin ∈ B40 (n = 1-4) (2-5)...
July 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28706113/pd-l1-programmed-death-ligand-1-protects-against-experimental-intracerebral-hemorrhage-induced-brain-injury
#7
Ranran Han, Jiaying Luo, Yanchao Shi, Yang Yao, Junwei Hao
BACKGROUND AND PURPOSE: Intracerebral hemorrhage (ICH) is a neurologically destructive stroke, for which no valid treatment is available. This preclinical study examined the therapeutic effect of PD-L1 (programmed death ligand 1), a B7 family member and a ligand for both PD-1 (programmed death 1) and B7-1 (CD80), in a murine ICH model. METHODS: ICH was induced by injecting autologous blood into 252 male C57BL/6 and Rag1(-/-) mice. One hour later, ICH mice were randomly assigned to receive an intraperitoneal injection of vehicle, PD-L1, or anti-PD-L1 antibody...
July 13, 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28687491/site-specific-regulation-of-oral-mucosa-recruiting-cd8-t-cells-in-a-mouse-contact-allergy-model
#8
Worawalun Hirunwidchayarat, Emi Furusawa, Siwen Kang, Tatsukuni Ohno, Shunsuke Takeuchi, Sorasun Rungsiyanont, Miyuki Azuma
Contact allergy is a T cell-mediated, delayed-type hypersensitivity generated by contact exposure of an allergen to the skin and mucosal surface. The clinical manifestations of allergic responses between the skin and oral mucosa vary and the differences in immunopathology have not been clarified. We generated hapten-induced contact hypersensitivity (CH) of the buccal mucosa (BM) in parallel studies with ear skin (ES) CH, and observed several characteristic findings of BM CH. The BM challenge induced more rapid and more severe inflammation than the ES challenge, with abundant granulocyte and CD8(+) T cell infiltration...
September 2, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28685773/inhibition-of-the-b7-h3-immune-checkpoint-limits-tumor-growth-by-enhancing-cytotoxic-lymphocyte-function
#9
Young-Hee Lee, Natalia Martin-Orozco, Peilin Zheng, Jing Li, Peng Zhang, Haidong Tan, Hyun Jung Park, Mira Jeong, Seon Hee Chang, Byung-Seok Kim, Wei Xiong, Wenjuan Zang, Li Guo, Yang Liu, Zhong-Jun Dong, Willem W Overwijk, Patrick Hwu, Qing Yi, Larry Kwak, Zhiying Yang, Tak W Mak, Wei Li, Laszlo G Radvanyi, Ling Ni, Dongfang Liu, Chen Dong
The interaction between tumor and the immune system is still poorly understood. Significant clinical responses have been achieved in cancer patients treated with antibodies against the CTLA4 and PD-1/PD-L1 checkpoints; however, only a small portion of patients responded to the therapies, indicating a need to explore additional co-inhibitory molecules for cancer treatment. B7-H3, a member of the B7 superfamily, was previously shown by us to inhibit T-cell activation and autoimmunity. In this study, we have analyzed the function of B7-H3 in tumor immunity...
July 7, 2017: Cell Research
https://www.readbyqxmd.com/read/28679835/new-b7-family-checkpoints-in-human-cancers
#10
REVIEW
Ling Ni, Chen Dong
T cells are the main effector cells in immune response against tumors. The activation of T cells is regulated by the innate immune system through positive and negative costimulatory molecules. Targeting immune checkpoint regulators such as programmed cell death 1 (PD-1)/PD-1 ligand 1 (PD-L1) and CTL antigen 4 (CTLA-4) has achieved notable benefit in a variety of cancers, which leads to multiple clinical trials with antibodies targeting the other related B7/CD28 family members. Recently, five new B7 family ligands, B7-H3, B7-H4, B7-H5, B7-H6, and B7-H7, were identified...
July 2017: Molecular Cancer Therapeutics
https://www.readbyqxmd.com/read/28677815/variant-snps-at-the-microrna-complementary-site-in-the-b7%C3%A2-h1-3-%C3%A2-untranslated-region-increase-the-risk-of-non%C3%A2-small-cell-lung-cancer
#11
Wenwen Du, Jianjie Zhu, Yanbin Chen, Yuanyuan Zeng, Dan Shen, Nan Zhang, Weiwei Ning, Zeyi Liu, Jian-An Huang
Single nucleotide polymorphisms (SNPs) in microRNA‑binding sites located in the 3'‑untranslated region (UTR) of target genes can have an effect on the interaction of microRNA‑mediated regulation, which results in changes in the expression levels of target genes ultimately associated with cancer risk and patient prognosis. However, the role of SNPs at the 3'‑UTR of B7‑H1 in the susceptibility of non‑small cell lung cancer (NSCLC) remains to be fully elucidated. In the present study, SNPs with a minor allele frequency >10%, which were located at the microRNA complementary site in the PD‑L1 3'‑UTR, were selected via bioinformatic prediction using Ensembl and miRanda 2010...
September 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28676400/inhibition-of-b7-h3-reverses-oxaliplatin-resistance-in-human-colorectal-cancer-cells
#12
Pengfei Zhang, Zhen Chen, Kuan Ning, Jian Jin, Xiaofeng Han
B7-H3, an immunoregulatory protein, has been found highly expressed in several cancer types, and involved in cancer cell migration and invasion. Here, we investigated the role of B7-H3 in oxaliplatin resistance in colorectal cancer (CRC) cells. Transient silencing of B7-H3 enhanced oxaliplatin sensitivity by increasing oxaliplatin-induced DNA damage. The overexpression of B7-H3 increased oxaliplatin resistance reducing the formation of phosphorylated histone H2AX (γH2AX) loci. The silencing of X-ray repair cross complementing group 1 (XRCC1), upregulated in B7-H3 overexpressing cells, induced an increase in cell death following oxaliplatin treatment...
August 26, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28653573/the-future-of-immune-checkpoint-cancer-therapy-after-pd-1-and-ctla-4
#13
Andrew W Hahn, David M Gill, Sumanta K Pal, Neeraj Agarwal
The adaptive immune system plays an important role in eradicating malignant cells. Co-stimulatory and co-inhibitory signals to T cells though immune checkpoint receptors are involved in tumorigenesis and metastasis. Exploitation of immune checkpoint inhibitors, PD-1 and CTLA-4, with monoclonal antibodies has created impressive clinical responses. Many other immune checkpoint co-inhibitors and co-stimulators exist, including the B7 superfamily and tumor necrosis factor receptors superfamily. Here, we will examine co-inhibitors and co-stimulators beyond PD-1 and CTLA-4 that are being investigated in active clinical trials...
June 2017: Immunotherapy
https://www.readbyqxmd.com/read/28645104/b7-h4-as-an-independent-prognostic-indicator-of-cancer-patients-a-meta-analysis
#14
Zibo Meng, Feiyang Wang, Yushun Zhang, Shoukang Li, Heshui Wu
The expression of B7-H4 was observed in a variety of tumors, however the prognostic value in cancer was still controversial. Therefore, we conducted this meta-analysis to explore the potential role of B7-H4 in cancer prognostic prediction. Twenty-seven studies including 3771 patients were brought into the analysis according to the inclusion and exclusion criteria. The pooled results demonstrated that elevated B7-H4 predicted a poor OS (HR = 1.93, 95% CI 1.71-2.18, P < 0.001) and DFS (HR = 1.84, 95% CI 1...
June 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/28637770/analgesia-and-opioids-a-pharmacogenetics-shortlist-for-implementation-in-clinical-practice
#15
REVIEW
Maja Matic, Saskia N de Wildt, Dick Tibboel, Ron H N van Schaik
BACKGROUND: The use of opioids to alleviate pain is complicated by the risk of severe adverse events and the large variability in dose requirements. Pharmacogenetics (PGx) could possibly be used to tailor pain medication based on an individual's genetic background. Many potential genetic markers have been described, and the importance of genetic predisposition in opioid efficacy and toxicity has been demonstrated in knockout mouse models and human twin studies. Such predictors are especially of value for neonates and young children, in whom the assessment of efficacy or side effects is complicated by the inability of the patient to communicate this properly...
July 2017: Clinical Chemistry
https://www.readbyqxmd.com/read/28613437/t-cell-subsets-predicting-belatacept-resistant-rejection-finding-the-root-where-the-trouble-starts
#16
EDITORIAL
T Wekerle
No abstract text is available yet for this article.
June 14, 2017: American Journal of Transplantation
https://www.readbyqxmd.com/read/28608180/montelukast-improves-the-changes-of-cytoskeletal-and-adaptor-proteins-of-human-podocytes-by-interleukin-13
#17
Tae-Sun Ha, Ja Ae Nam, Su-Bin Seong, Moin A Saleem, Se Jin Park, Jae Il Shin
OBJECTIVE AND DESIGN: Interleukin-13 (IL-13) has recently been reported to be a potential cytokine in the pathogenesis of minimal-change nephrotic syndrome (MCNS). However, the mechanistic insights associated with podocyte dysfunction mediated by IL-13-induced changes in various slit diaphragm (SD) and cytoskeletal molecules have not yet been shown in cultured human podocytes in vitro. MATERIALS: Human conditionally immortalized podocytes were used. TREATMENT: Podocytes were incubated with various concentrations of IL-13 during the indicated time periods (6, 12, and 24 h) and montelukast was administered with the dose of 0...
September 2017: Inflammation Research: Official Journal of the European Histamine Research Society ... [et Al.]
https://www.readbyqxmd.com/read/28599283/remarkably-similar-ctla-4-binding-properties-of-therapeutic-ipilimumab-and-tremelimumab-antibodies
#18
Mengnan He, Yan Chai, Jianxun Qi, Catherine W H Zhang, Zhou Tong, Yi Shi, Jinghua Yan, Shuguang Tan, George F Gao
Monoclonal antibody based immune checkpoint blockade therapies have achieved clinical successes in management of malignant tumors. As the first monoclonal antibody targeting immune checkpoint molecules entered into clinics, the molecular basis of ipilimumab-based anti-CTLA-4 blockade has not yet been fully understood. In the present study, we report the complex structure of ipilimumab and CTLA-4. The complex structure showed similar contributions from VH and VL of ipilimumab in binding to CTLA-4 front β-sheet strands...
May 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/28591700/restoration-of-immune-surface-molecules-in-kaposi-sarcoma-associated-herpesvirus-infected-cells-by-lenalidomide-and-pomalidomide
#19
David A Davis, Suraj Mishra, Holda A Anagho, Ashley I Aisabor, Prabha Shrestha, Victoria Wang, Yuki Takamatsu, Kenji Maeda, Hiroaki Mitsuya, Jerome B Zeldis, Robert Yarchoan
Kaposi sarcoma-associated herpesvirus (KSHV) is the cause of several tumors, including Kaposi sarcoma and primary effusion lymphoma (PEL). Most viruses have evolved means of escaping immune recognition. KSHV downregulates MHC-I expression during lytic infection, and expression of ICAM-1 and B7-2 (CD86) during latent infection, allowing evasion of T cell and natural killer immunity respectively. These effects are largely mediated by two KSHV-encoded proteins, K3 and K5. We show here that lenalidomide (Len) and pomalidomide (Pom) prevent down-regulation of MHC-I during lytic activation, and restore ICAM-1 and B7-2 surface expression in latently infected PEL cells...
May 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/28583712/structural-influences-on-the-activity-of-bismuth-iii-indole-carboxylato-complexes-towards-helicobacter-pylori-and-leishmania
#20
Amita Pathak, Victoria L Blair, Richard L Ferrero, Lukasz Kedzierski, Philip C Andrews
Seven new bismuth(III) complexes derived from indole-carboxylic acids have been synthesised: five are homoleptic; [Bi(IAA)3] B1, [Bi(IPA)3] B2, [Bi(IBA)3] B3, [Bi(MICA)3] B4, [Bi(IGA)3] B6, and two are heteroleptic [BiPh(MICA)2] B5 (where IAA-H=2-(1H-indol-3-yl)acetic acid, IPA-H=3-(1H-indol-3-yl)propanoic acid, IBA-H=4-(1H-indol-3-yl)butanoic acid, IGA-H=2-(1H-indol-3-yl)-2-oxoacetic acid, and MICA-H=1-methyl-1H-indole-3-carboxylic acid). All complexes were fully characterised by elemental analysis, infrared and mass-spectroscopy, and nuclear magnetic resonance ((1)H, (13)C) spectroscopy...
May 31, 2017: Journal of Inorganic Biochemistry
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