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https://www.readbyqxmd.com/read/28631505/methylglyoxal-derived-hydroimidazolone-1-evokes-inflammatory-reactions-in-endothelial-cells-via-an-interaction-with-receptor-for-advanced-glycation-end-products
#1
Yuji Ishibashi, Takanori Matsui, Nobutaka Nakamura, Ami Sotokawauchi, Yuichiro Higashimoto, Sho-Ichi Yamagishi
OBJECTIVE: Glyceraldehyde-derived advanced glycation end products contribute to vascular inflammation in diabetes. However, what advanced glycation end product structure could evoke inflammatory reactions remains unknown. We examined whether and how methylglyoxal-derived hydroimidazolone 1, one of the advanced glycation end products formed from glyceraldehyde, elicits inflammatory reactions in human umbilical vein endothelial cells. MATERIALS AND METHODS: Glyceraldehyde-advanced glycation end products-aptamer was prepared using a systemic evolution of ligands by exponential enrichment...
June 1, 2017: Diabetes & Vascular Disease Research
https://www.readbyqxmd.com/read/28627096/high-titer-of-anti-citrullinated-peptide-antibody-is-a-risk-factor-for-severe-carotid-atherosclerotic-plaque-in-patients-with-rheumatoid-arthritis-the-tomorrow-study
#2
Tadashi Okano, Kentaro Inui, Yuko Sugioka, Kenichi Sugioka, Yoshiki Matsumura, Shinji Takahashi, Masahiro Tada, Kenji Mamoto, Shigeyuki Wakitani, Tatsuya Koike, Hiroaki Nakamura
AIM: Cardiovascular disease is one of the complications of rheumatoid arthritis (RA). We researched the morbidity and severity of existing carotid atherosclerosis plaque and associated risk factors in patients with RA. METHOD: This study included 413 participants, including 208 patients with RA and 205 age- and sex-matched healthy volunteers. Carotid ultrasound, clinical data collection and assessment of cardiovascular risk factors were performed. Atherosclerotic plaque was defined as an intima-media thickness ≥ 1...
June 19, 2017: International Journal of Rheumatic Diseases
https://www.readbyqxmd.com/read/28626216/therapeutic-effects-of-csf1r-blocking-antibodies-in-multiple-myeloma
#3
Q Wang, Y Lu, R Li, Y Jiang, Y Zheng, J Qian, E Bi, C Zhang, J Hou, S Wang, Q Yi
Our previous studies showed that macrophages (MФs), especially myeloma-associated MФs (MAMs) induce chemoresistance in human myeloma. Here we explored the potential of targeting MФs, by using colony-stimulating factor 1 receptor (CSF1R)-blocking mAbs, to treat myeloma. Our results showed that CSF1R blockade specifically inhibited the differentiation, proliferation and survival of murine M2 MФs and MAMs, and repolarized MAMs towards M1-like MФs in vitro. CSF1R blockade alone inhibited myeloma growth in vivo, by partially depleting MAMs, polarizing MAMs to the M1 phenotype, and inducing a tumor-specific cytotoxic CD4(+) T cell response...
June 19, 2017: Leukemia: Official Journal of the Leukemia Society of America, Leukemia Research Fund, U.K
https://www.readbyqxmd.com/read/28622306/changes-in-uninvolved-immunoglobulins-during-induction-therapy-for-newly-diagnosed-multiple-myeloma
#4
P Ravi, S Kumar, W Gonsalves, F Buadi, M Q Lacy, R S Go, A Dispenzieri, P Kapoor, J A Lust, D Dingli, Y Lin, S J Russell, N Leung, M A Gertz, R A Kyle, P L Bergsagel, S V Rajkumar
Little is known about the impact of multiple myeloma (MM) treatment on uninvolved immunoglobulins (Ig). We identified 448 patients who received high-dose dexamethasone (HD-DEX), lenalidomide and dexamethasone (RD), bortezomib and dexamethasone (VD), bortezomib, cyclophosphamide and dexamethasone (VCD) or bortezomib, lenalidomide and dexamethasone (VRD) for newly diagnosed MM at our institution between 2000 and 2013, and who had available data on absolute lymphocyte count (ALC) and quantitative uninvolved Ig at baseline and at the end of four cycles of therapy...
June 16, 2017: Blood Cancer Journal
https://www.readbyqxmd.com/read/28616090/histochemical-and-immunohistochemical-study-of-mucinous-rectal-carcinoma
#5
C V Lungulescu, S Răileanu, G Afrem, B S Ungureanu, D N Florescu, I A Gheonea, S Șovăilă, Ș Crăițoiu
Colorectal cancer (CRC) is a major health problem worldwide. The objective of our study was to assess the histopathological (HP) and immunohistochemical (IHC) profile of mucins from signet ring (SR) and mucinous rectal carcinoma, while evaluating their value as a prognostic factor and muco-secretive ability. The HP study (76 cases) included 4 categories of patients: pure mucinous (PM), mixed mucinous components (MM) (50-80% of the tumor cells), mixed mucinous components (Mm) (< 50% of the tumor cells) and signet ring (SR)...
April 2017: Journal of Medicine and Life
https://www.readbyqxmd.com/read/28607807/immunohistochemical-evaluation-of-vitamin-d-receptor-vdr-expression-in-cutaneous-melanoma-tissues-and-four-vdr-gene-polymorphisms
#6
Francesco La Marra, Giuseppe Stinco, Cinzia Buligan, Giovanni Chiriacò, Diego Serraino, Carla Di Loreto, Sabina Cauci
OBJECTIVE: : Vitamin D receptor (VDR) mediates vitamin D activity. We examined whether VDR expression in excised melanoma tissues is associated with VDR gene (VDR) polymorphisms. METHODS: : We evaluated VDR protein expression (by monoclonal antibody immunostaining), melanoma characteristics, and carriage of VDR-FokI-rs2228570 (C>T),VDR-BsmI-rs1544410 (G>A),VDR-ApaI-rs7975232 (T>G), andVDR-TaqI-rs731236 (T>C) polymorphisms (by restriction fragment length polymorphism)...
May 2017: Cancer Biology & Medicine
https://www.readbyqxmd.com/read/28604269/elotuzumab-as-a-novel-anti-myeloma-immunotherapy
#7
Sabarinath Venniyil Radhakrishnan, Neelam Bhardwaj, Mary Steinbach, Janet Weidner, Tim Luetkens, Djordje Atanackovic
Treatment of multiple myeloma has undergone significant change in the last decade with the introduction of new immunomodulatory agents, proteasome inhibitors, and immunotherapeutic approaches. Elotuzumab is a humanized monoclonal antibody targeting CS1, which is a member of the SLAM (Signaling Lymphocyte Activation Molecule) family of proteins, expressed on the surface of myeloma plasma cells. Here we review the preclinical investigations that led to the development of elotuzumab and the clinical studies that resulted in its approval for the treatment of relapsed/refractory multiple myeloma...
June 12, 2017: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/28604120/current-and-developing-synthetic-pharmacotherapy-for-treating-relapsed-refractory-multiple-myeloma
#8
Klaus Podar, Martin Pecherstorfer
The introduction of novel agents has significantly improved multiple myeloma (MM) patient outcome during the last two decades. MM received the most drug approvals for any one malignancy during this time period, both in the United States as well as in Europe. Areas covered: Proteasome inhibitors, immunomodulatory drugs, and monoclonal antibodies are prototype drug classes, which target both specific MM cell functions, as well as the tumor supportive bone marrow microenvironment, and represent current cornerstones of MM therapy...
June 12, 2017: Expert Opinion on Pharmacotherapy
https://www.readbyqxmd.com/read/28601492/new-agents-in-multiple-myeloma-an%C3%A2-examination-of-safety-profiles
#9
REVIEW
Sara Bringhen, Edwin De Wit, Meletios-Athanassios Dimopoulos
Numerous treatments are available for relapsed and/or refractory multiple myeloma (MM), with safety profiles varying across drug classes and across agents within the same class. Thus, it is important to understand the toxicities of each antimyeloma agent when making treatment decisions. Neutropenia is commonly associated with lenalidomide and pomalidomide, and may be common with histone deacetylase (HDAC) inhibitors, but is relatively unusual with thalidomide, bortezomib, and carfilzomib. Infection was common in trials of lenalidomide and pomalidomide, and upper respiratory tract infection and pneumonia have been seen with carfilzomib...
May 10, 2017: Clinical Lymphoma, Myeloma & Leukemia
https://www.readbyqxmd.com/read/28592764/multiple-myeloma-pathophysiology-and-progress-in-management
#10
Junya Kuroda, Yoshiaki Chinen
There have been dramatic recent advances in understanding the basic pathophysiology and treatment strategies for multiple myeloma (MM). Research has shown both a high inter-patient diversity and intra-clonal heterogeneity even in a single patient in terms of cytogenetic/molecular abnormalities, and has also identified marked diversity in the immunological factors involved in tumor surveillance among MM patients. In the presence of a variety of novel agents, including molecular-targeted agents, immunomodulatory agents, and monoclonal antibodies, the optimal translation of current knowledge on both molecular and immunologic findings into clinical use is crucial for managing MM...
2017: [Rinshō Ketsueki] the Japanese Journal of Clinical Hematology
https://www.readbyqxmd.com/read/28592540/covalent-linkage-of-hiv-1-trimers-to-synthetic-liposomes-elicits-improved-b-cell-and-antibody-responses
#11
Shridhar Bale, Geraldine Goebrecht, Armando Stano, Richard Wilson, Takayuki Ota, Karen Tran, Jidnyasa Ingale, Michael B Zwick, Richard T Wyatt
We have demonstrated that a liposomal array of well-ordered trimers enhances B cell activation, germinal center formation and the elicitation of tier-2 autologous neutralizing antibodies. Previously, we coupled well-ordered cleavage-independent NFL trimer via their C-terminal poly-histidine tails to nickel-lipids integrated into the lipid bilayer. Despite favorable in vivo effects, concern remains over the potentially longer term in vivo instability of non-covalent linkage of the trimers to the liposomes. Accordingly, we tested both cobalt coupling and covalent linkage of the trimers to the liposomes by reengineering the poly-histidine tail to include a free cysteine on each protomer of model BG505 NFL trimers to allow covalent linkage...
June 7, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28587335/sex-related-differences-of-urethane-and-sodium-valproate-effects-on-ki-67-expression-in-urethane-induced-lung-tumors-of-mice
#12
Donatas Stakišaitis, Raminta Mozūraitė, Dovilė Kavaliauskaitė, Lina Šlekienė, Ingrida Balnytė, Nomeda Juodžiukynienė, Angelija Valančiūtė
The aim of the present study was to evaluate sex differences in tumorigenesis by assessing the number of Ki-67-positive cells [Ki-67(+)] in urethane-induced mice lung tumors and the effect of sodium valproate (NaVP) in BALB/c mice. Gonad-intact and gonadectomized female and male mice were divided into the following groups: i) Treated with urethane, ii) treated with urethane and NaVP and iii) gonad-intact or gonadectomized control. Urethane (total 50 mg/mouse) was injected intraperitoneally. The NaVP 0.4% solution was administered orally for 6 months...
June 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28585021/the-relationship-between-hyperthyrotropinemia-and-metabolic-and-cardiovascular-risk-factors-in-a-large-group-of-overweight-and-obese-children-and-adolescents
#13
G Radetti, G Grugni, F Lupi, N Marazzi, S Longhi, A Fanolla, A Sartorio
PURPOSE: Mild TSH elevations are frequently observed in obese patients, in the absence of any detectable thyroid disease. Our objective is to evaluate the relationship between the raised TSH levels and the biochemical and clinical consequences of obesity. METHODS: This is a retrospective cross-sectional study of a large population of obese children and adolescents. We evaluated 833 subjects (340 m, 493 f), aged 14.4 ± 2.5 (range 5.2-18.5) years, height SDS 0...
June 5, 2017: Journal of Endocrinological Investigation
https://www.readbyqxmd.com/read/28581490/assessment-of-tumor-characteristics-based-on-glycoform-analysis-of-membrane-tethered-muc1
#14
Atsushi Matsuda, Michiyo Higashi, Tomomi Nakagawa, Seiya Yokoyama, Atsushi Kuno, Suguru Yonezawa, Hisashi Narimatsu
Clinical tissue specimens are useful for pathological diagnosis, which is, in some cases, supported by visualization of biomolecule localization. In general, diagnostic specificity in molecular pathology is increased by the acquisition of a probe to distinguish the modification of isomers. Although glycosylation is one of the candidate modifications in a protein, comparative glycan analysis of disease-associated proteins derived from a single tissue section is still challenging because of the lack of analytical sensitivity...
June 5, 2017: Laboratory Investigation; a Journal of Technical Methods and Pathology
https://www.readbyqxmd.com/read/28577048/impact-of-pluronic-%C3%A2-f68-on-hollow-fiber-filter-based-perfusion-culture-performance
#15
Sen Xu, Rubin Jiang, Yuetian Chen, Fengqiang Wang, Hao Chen
High cell density is an important factor in achieving high bioreactor productivity. To meet the oxygen demand with density at >100 × 10(6) cells/mL, a frit sparger is often used. In this study, the impact of Pluronic(®) F68 on a perfusion process using a frit sparger was studied. The perfusion process was developed using an alternating tangential flow device with a 0.2 µm PES hollow fiber filter. Pluronic(®) F68 at 2 g/L was sufficient in preventing cell damage at gas flow rate of ~0.20 vvm from a drilled hole sparger (0...
June 2, 2017: Bioprocess and Biosystems Engineering
https://www.readbyqxmd.com/read/28575847/expression-of-cd38-in-myeloma-bone-niche-a-rational-basis-for-the-use-of-anti-cd38-immunotherapy-to-inhibit-osteoclast-formation
#16
Federica Costa, Denise Toscani, Antonella Chillemi, Valeria Quarona, Marina Bolzoni, Valentina Marchica, Rosanna Vescovini, Cristina Mancini, Eugenia Martella, Nicoletta Campanini, Chiara Schifano, Sabrina Bonomini, Fabrizio Accardi, Alberto L Horenstein, Franco Aversa, Fabio Malavasi, Nicola Giuliani
It is known that multiple myeloma (MM) cells express CD38 and that a recently developed human anti-CD38 monoclonal antibody Daratumumab mediates myeloma killing. However, the expression of CD38 and other functionally related ectoenzymes within the MM bone niche and the potential effects of Daratumumab on bone cells are still unknown. This study firstly defines by flow cytometry and immunohistochemistry the expression of CD38 by bone marrow cells in a cohort of patients with MM and indolent monoclonal gammopathies...
May 16, 2017: Oncotarget
https://www.readbyqxmd.com/read/28569179/immunolocation-and-enzyme-activity-analysis-of-cryptosporidium-parvum-enolase
#17
Rongsheng Mi, Xiaojiao Yang, Yan Huang, Long Cheng, Ke Lu, Xiangan Han, Zhaoguo Chen
BACKGROUND: Enolase is an essential multifunctional glycolytic enzyme that is involved in many biological processes of apicomplexan protozoa, such as adhesion and invasion. However, the characteristics of enolase in Cryptosporidium parvum, including the location on the oocyst and the enzyme activity, remain unclear. METHODS: The C. parvum enolase gene (cpeno) was amplified by RT-PCR and sequenced. The deduced amino acid sequence was analysed by bioinformatics software...
May 31, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28566083/-a-case-of-coccidioidomycosis-in-turkey-imported-from-the-united-states-of-america
#18
Seniha Başaran, Nilgün Karabıçak, Serap Şimşek Yavuz, Nathan P Wiederhold, Seda Şafak, Aysun Sarıbuğa, Deanna A Sutton, Züleyha Bingöl, Atahan Çağatay, Halit Özsüt, Zeki Kılıçaslan, Haluk Eraksoy
Coccidioidomycosis caused by Coccidioides immitis or Coccidioides posadasii is a rare infectious disease except in endemic regions. In this report the third documented imported case of coccidioidomycosis in Turkey was presented. A thirty-year-old male patient was admitted to our hospital with fever and purulent drainage from his chest tube. He had worked in Arizona, USA, until 4 months before this presentation. While in Arizona, he experienced cough and hemoptysis and was diagnosed as pulmonary coccidioidomycosis...
April 2017: Mikrobiyoloji Bülteni
https://www.readbyqxmd.com/read/28561703/hematologic-malignancies-plasma-cell-disorders
#19
Madhav V Dhodapkar, Ivan Borrello, Adam D Cohen, Edward A Stadtmauer
Multiple myeloma (MM) is a plasma cell malignancy characterized by the growth of tumor cells in the bone marrow. Properties of the tumor microenvironment provide both potential tumor-promoting and tumor-restricting properties. Targeting underlying immune triggers for evolution of tumors as well as direct attack of malignant plasma cells is an emerging focus of therapy for MM. The monoclonal antibodies daratumumab and elotuzumab, which target the plasma cell surface proteins CD38 and SLAMF7/CS1, respectively, particularly when used in combination with immunomodulatory agents and proteasome inhibitors, have resulted in high response rates and improved survival for patients with relapsed and refractory MM...
2017: American Society of Clinical Oncology Educational Book
https://www.readbyqxmd.com/read/28556451/skin-cancers-in-organ-transplant-recipients
#20
Amit Mittal, Oscar R Colegio
Long-term utilization of immunosuppression in organ transplant recipients (OTRs) leads to decreased immune-mediated tumor surveillance and development of malignant tumors. A delicate balance needs to be maintained in the intensity of immunosuppression to keep the risk of malignancy low without jeopardizing life-saving graft function. OTRs are prone to developing skin cancers which exhibit unique epidemiologic, pathophysiologic and prognostic characteristics. In this review, we discuss the most commonly reported skin cancers in OTRs: squamous cell carcinoma (SCC), basal cell carcinoma (BCC), Kaposi's sarcoma, Merkel cell carcinoma and malignant melanoma (MM)...
May 29, 2017: American Journal of Transplantation
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