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https://www.readbyqxmd.com/read/29352703/inotuzumab-ozogamicin-in-combination-with-low-intensity-chemotherapy-for-older-patients-with-philadelphia-chromosome-negative-acute-lymphoblastic-leukaemia-a-single-arm-phase-2-study
#1
Hagop Kantarjian, Farhad Ravandi, Nicholas J Short, Xuelin Huang, Nitin Jain, Koji Sasaki, Naval Daver, Naveen Pemmaraju, Joseph D Khoury, Jeffrey Jorgensen, Yesid Alvarado, Marina Konopleva, Guillermo Garcia-Manero, Tapan Kadia, Musa Yilmaz, Gautam Bortakhur, Jan Burger, Steven Kornblau, William Wierda, Courtney DiNardo, Alessandra Ferrajoli, Jovitta Jacob, Rebecca Garris, Susan O'Brien, Elias Jabbour
BACKGROUND: Inotuzumab ozogamicin, an anti-CD22 monoclonal antibody bound to a toxin, calicheamicin, has shown single-agent activity in relapsed or refractory acute lymphoblastic leukaemia. We aimed to assess the activity and safety of inotuzumab ozogamicin in combination with low-intensity chemotherapy in older patients with acute lymphoblastic leukaemia. METHODS: We did a single-arm, phase 2 study at the MD Anderson Cancer Center (Houston, TX, USA). Eligible patients were aged 60 years or older and had newly diagnosed, Philadelphia chromosome-negative, acute lymphoblastic leukaemia, and an Eastern Cooperative Oncology Group performance status of 3 or lower...
January 15, 2018: Lancet Oncology
https://www.readbyqxmd.com/read/29352660/clinical-significance-of-muc13-in-pancreatic-ductal-adenocarcinoma
#2
Sheema Khan, Nadeem Zafar, Shabia S Khan, Saini Setua, Stephen W Behrman, Zachary E Stiles, Murali M Yallapu, Peeyush Sahay, Hemendra Ghimire, Tomoko Ise, Satoshi Nagata, Lei Wang, Jim Y Wan, Prabhakar Pradhan, Meena Jaggi, Subhash C Chauhan
BACKGROUND: Poor prognosis of pancreatic cancer (PanCa) is associated with lack of an effective early diagnostic biomarker. This study elucidates significance of MUC13, as a diagnostic/prognostic marker of PanCa. METHODS: MUC13 was assessed in tissues using our in-house generated anti-MUC13 mouse monoclonal antibody and analyzed for clinical correlation by immunohistochemistry, immunoblotting, RT-PCR, computational and submicron scale mass-density fluctuation analyses, ROC and Kaplan Meir curve analyses...
January 15, 2018: HPB: the Official Journal of the International Hepato Pancreato Biliary Association
https://www.readbyqxmd.com/read/29352493/effect-of-dietary-manipulation-and-vaccination-of-turkey-breeder-hens-on-immunoglobulin-levels-of-yolk-yolk-sac-and-neonate-poults
#3
A Bhattacharyya, S Majumdar, S K Bhanja, A B Mandal, B B Dash
Two hundred turkey breeder hens and 24 viable toms of 30-35 weeks age of small white variety were distributed into two treatment groups having four replicates of 25 hens and three toms in each treatment. First four replicates were offered a turkey breeder diet (Diet A) (Nutrient requirements of poultry, 1994, National Academic Press, Washington, DC) and the rest four replicates were maintained on a higher plane of nutrition (Diet B) for 8-week duration. After 6 weeks of experimental feeding, two replicates from each treatment groups were vaccinated with ND (R2 B) vaccine...
January 19, 2018: Journal of Animal Physiology and Animal Nutrition
https://www.readbyqxmd.com/read/29352490/oral-lichenoid-reaction-showing-multiple-ulcers-associated-with-anti-programmed-death-cell-receptor-1-treatment-a-report-of-two-cases-and-published-work-review
#4
Koya Obara, Mamiko Masuzawa, Yasuyuki Amoh
Anti-programmed cell death receptor-1 (PD-1) antibodies represent an effective treatment opinion for advanced melanoma and non-small-cell lung cancer, as well as other cancerous entities. Immune checkpoint inhibitors such as anti-PD-1 antibody result in a unique side-effect profile, commonly described as immune-related adverse events (irAE). These irAE affect the skin, gastrointestinal tract, liver, endocrine system and other organ systems. We report two cases of oral lichenoid reaction showing multiple ulcers associated with nivolumab treatment...
January 20, 2018: Journal of Dermatology
https://www.readbyqxmd.com/read/29352371/innate-and-adaptive-t-cells-in-influenza-disease
#5
REVIEW
Simone Nüssing, Sneha Sant, Marios Koutsakos, Kanta Subbarao, Thi H O Nguyen, Katherine Kedzierska
Influenza is a major global health problem, causing infections of the respiratory tract, often leading to acute pneumonia, life-threatening complications and even deaths. Over the last seven decades, vaccination strategies have been utilized to protect people from complications of influenza, especially groups at high risk of severe disease. While current vaccination regimens elicit strain-specific antibody responses, they fail to generate cross-protection against seasonal, pandemic and avian viruses. Moreover, vaccines designed to generate influenza-specific T-cell responses are yet to be optimized...
January 20, 2018: Frontiers of Medicine
https://www.readbyqxmd.com/read/29352348/metarhizium-anisopliae-s-l-modulation-of-lipid-metabolism-during-tick-infection-is-independent-of-ampk-and-erk-pathways
#6
Fillipe A Sá, Caio Junior B Coutinho-Rodrigues, Isabele C Angelo, Jéssica P Fiorotti, Georgia C Atella, Vânia Rita E P Bittencourt, Mário Alberto C Silva-Neto
Despite the importance of fat body in metabolism of arthropods, studies in ticks are scarce. This study evaluated the lipid composition and activation of extracellular signal-regulated protein kinase (ERK) and AMP-activated protein kinase (AMPK) enzymes in Rhipicephalus microplus fat body after infection with different isolates of the fungus Metarhizium anisopliae sensu lato (Metschnikoff, 1879) Sorokin, 1883. The isolates CG 32, GC 112, GC 148, GC 347, and GC 629 were inoculated as viable or non-viable conidia in the ticks...
January 19, 2018: Parasitology Research
https://www.readbyqxmd.com/read/29352319/activation-of-pi3k-akt-and-erk-during-early-rotavirus-infection-leads-to-v-atpase-dependent-endosomal-acidification-required-for-uncoating
#7
Mahmoud Soliman, Ja-Young Seo, Deok-Song Kim, Ji-Yun Kim, Jun-Gyu Park, Mia Madel Alfajaro, Yeong-Bin Baek, Eun-Hyo Cho, Joseph Kwon, Jong-Soon Choi, Mun-Il Kang, Sang-Ik Park, Kyoung-Oh Cho
The cellular PI3K/Akt and/or MEK/ERK signaling pathways mediate the entry process or endosomal acidification during infection of many viruses. However, their roles in the early infection events of group A rotaviruses (RVAs) have remained elusive. Here, we show that late-penetration (L-P) human DS-1 and bovine NCDV RVA strains stimulate these signaling pathways very early in the infection. Inhibition of both signaling pathways significantly reduced production of viral progeny due to blockage of virus particles in the late endosome, indicating that neither of the two signaling pathways is involved in virus trafficking...
January 19, 2018: PLoS Pathogens
https://www.readbyqxmd.com/read/29352310/leishmania-proteophosphoglycans-regurgitated-from-infected-sand-flies-accelerate-dermal-wound-repair-and-exacerbate-leishmaniasis-via-insulin-like-growth-factor-1-dependent-signalling
#8
Emilie Giraud, Tereza Lěstinová, Tamsyn Derrick, Oihane Martin, Rod J Dillon, Petr Volf, Ingrid Műller, Paul A Bates, Matthew E Rogers
Leishmania parasites are transmitted to vertebrate hosts by female phlebotomine sand flies as they bloodfeed by lacerating the upper capillaries of the dermis with their barbed mouthparts. In the sand fly midgut secreted proteophosphoglycans from Leishmania form a biological plug known as the promastigote secretory gel (PSG), which blocks the gut and facilitates the regurgitation of infective parasites. The interaction between the wound created by the sand fly bite and PSG is not known. Here we nanoinjected a sand fly egested dose of PSG into BALB/c mouse skin that lead to the differential expression of 7,907 transcripts...
January 19, 2018: PLoS Pathogens
https://www.readbyqxmd.com/read/29352039/disrupting-cd147-rap2-interaction-abrogates-erythrocyte-invasion-by-plasmodium-falciparum
#9
Meng-Yao Zhang, Yang Zhang, Xiao-Dong Wu, Kun Zhang, Peng Lin, Hui-Jie Bian, Min-Min Qin, Wan Huang, Ding Wei, Zhao Zhang, Jiao Wu, Ruo Chen, Fei Feng, Bin Wang, Gang Nan, Ping Zhu, Zhi-Nan Chen
Effective vaccines against Plasmodium falciparum malaria are still lacking and the molecular mechanism of the host-parasite interaction is not fully understood. Here we demonstrate that the interaction of RAP2, a parasite secreted rhoptry protein functioning in the parasitophorous vacuole formation stage of the invasion, and CD147 on host erythrocyte is essential for erythrocyte invasion by Plasmodium falciparum and is independent from all previously identified interactions involved. Importantly, the blockade of the CD147-RAP2 interaction by HP6H8, a humanized CD147 antibody, completely abolished the parasite invasion with both cure and preventative functions in a humanized mouse model...
January 19, 2018: Blood
https://www.readbyqxmd.com/read/29351987/cd83-is-a-new-potential-biomarker-and-therapeutic-target-for-hodgkin-lymphoma
#10
Ziduo Li, Xinsheng Ju, Kenneth Lee, Candice Clarke, Jennifer L Hsu, Edward Abadir, Christian E Bryant, Suzanne Pears, Neroli Sunderland, Scott Heffernan, Annemarie Hennessy, Tsun-Ho Lo, Geoffrey A Pietersz, Fiona Kupresanin, Phillip D Fromm, Pablo A Silveira, Con Tsonis, Wendy A Cooper, Ilona Cunningham, Christina Brown, Georgina J Clark, Derek N J Hart
Chemotherapy and hematopoietic stem cell transplantation are effective treatments for most Hodgkin lymphoma patients, however there remains a need for better tumor-specific target therapy in Hodgkin lymphoma patients with refractory or relapsed disease. We demonstrate that membrane CD83 is a diagnostic and therapeutic target, highly expressed in Hodgkin lymphoma cell lines and Hodgkin and Reed-Sternberg cells in 29/35 (82.9%) Hodgkin lymphoma patient lymph node biopsies. CD83 from Hodgkin lymphoma tumor cells was able to trogocytose to surrounding T cells and interestingly, the trogocytosing CD83+T cells expressed significantly more PD-1 compared to CD83- T cells...
January 19, 2018: Haematologica
https://www.readbyqxmd.com/read/29351869/allosteric-kissing-complex-based-electrochemical-biosensor-for-sensitive-regenerative-and-versatile-detection-of-proteins
#11
Mingsha Zhao, Shanshan Zhang, Zhiqiang Chen, Changzhi Zhao, Li Wang, Shufeng Liu
Herein, an allosteric kissing complex-based electrochemical biosensor was ingeniously proposed for the simple, sensitive, regenerative and versatile detection of proteins. Two hairpins (Hp1 and Hp2) were designed and the Hp1 was immobilized on the electrode surface, which could form a kissing complex with Hp2 through the apical loop-loop or kissing interaction of the RNA-RNA base sequences. The Hp2 possesses the appended single-stranded tails on each end, which hybridize with the recognition element-conjugated DNA strands to construct a protein responsive switch of Hp2 scaffold...
January 9, 2018: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/29351868/an-aptamer-nanopore-enabled-microsensor-for-detection-of-theophylline
#12
Silu Feng, Changtian Chen, Wei Wang, Long Que
This paper reports an aptamer-based nanopore thin film sensor for detecting theophylline in the buffer solution and complex fluids including plant extracts and serum samples. Compared to antibody-based detection, aptamer-based detection offers many advantages such as low cost and high stability at elevated temperatures. Experiments found that this type of sensor can readily detect theophylline at a concentration as low as 0.05µM, which is much lower than the detection limit of current lab-based equipment such as liquid chromatography (LC)...
January 10, 2018: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/29351859/structural-and-immunological-characterization-of-hydroxyl-radical-modified-human-igg-clinical-correlation-in-rheumatoid-arthritis
#13
Sidra Islam, Abdul Rouf Mir, Mir Yasir Arfat, Farzana Khan, Masihuz Zaman, Asif Ali, Moinuddin
Structural alterations in proteins under oxidative stress have been widely implicated in the immuno-pathology of various disorders. This study has evaluated the extent of damage in the conformational characteristics of IgG by hydroxyl radical (OH) and studied its implications in the immuno-pathology of rheumatoid arthritis (RA). Using various biophysical and biochemical techniques, changes in aromatic microenvironment of the IgG and the protein aggregation became evident after treatment with OH. The SDS-PAGE study confirmed the protein aggregation while far ultraviolet circular dichroism spectroscopy (Far-UV CD) and fourier transform infrared spectroscopy (FTIR) inferred towards the alterations in secondary structure of IgG under OH stress...
January 10, 2018: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/29351815/ready-to-use-protein-g-conjugated-gold-nanorods-for-biosensing-and-biomedical-applications
#14
S Centi, F Ratto, F Tatini, S Lai, R Pini
BACKGROUND: Gold nanorods (GNRs) display unique capacity to absorb and scatter near infrared light, which arises from their peculiar composition of surface plasmon resonances. For this reason, GNRs have become an innovative material of great hope in nanomedicine, in particular for imaging and therapy of cancer, as well as in photonic sensing of biological agents and toxic compounds for e.g. biomedical diagnostics, forensic analysis and environmental monitoring. As the use of GNRs is becoming more and more popular, in all these contexts, there is emerging a latent need for simple and versatile protocols for their modification with targeting units that may convey high specificity for any analyte of interest of an end-user...
January 19, 2018: Journal of Nanobiotechnology
https://www.readbyqxmd.com/read/29351806/isolated-septic-arthritis-of-hip-joint-a-rare-presentation-of-melioidosis-a-case-report
#15
N P Weerasinghe, H M M Herath, T M U Liyanage
BACKGROUND: Despite, Sri Lanka lies in the melioidosis endemic belt between 5°N and 10°N surrounded by countries known to have endemic melioidosis for many years, comparatively fewer cases of melioidosis infection have been reported in Sri Lanka. Melioidosis has a wide spectrum of clinical presentation, ranging from severe pneumonia to abscess formation in various organs. Isolated septic arthritis, which is a rare but well-recognized manifestation of melioidosis, could be the sole presenting problem in some patients with melioidosis...
January 19, 2018: BMC Research Notes
https://www.readbyqxmd.com/read/29351737/identifying-genome-wide-immune-gene-variation-underlying-infectious-disease-in-wildlife-populations-a-next-generation-sequencing-approach-in-the-gopher-tortoise
#16
Jean P Elbers, Mary B Brown, Sabrina S Taylor
BACKGROUND: Infectious disease is the single greatest threat to taxa such as amphibians (chytrid fungus), bats (white nose syndrome), Tasmanian devils (devil facial tumor disease), and black-footed ferrets (canine distemper virus, plague). Although understanding the genetic basis to disease susceptibility is important for the long-term persistence of these groups, most research has been limited to major-histocompatibility and Toll-like receptor genes. To better understand the genetic basis of infectious disease susceptibility in a species of conservation concern, we sequenced all known/predicted immune response genes (i...
January 19, 2018: BMC Genomics
https://www.readbyqxmd.com/read/29351649/sex-dependent-interactions-between-leptin-wasting-and-humoral-immunity-in-two-ethnic-communities-of-school-aged-children-differentially-exposed-to-schistosoma-haematobium
#17
Emmanuel Hermann, Lobna Gaayeb, Papa S Sow, Modou Seck, Andre B Sagna, Simon Senghor, Lydie Bandagny, Clement Brinkhuizen, Delphine Delcroix-Genete, Anne-Marie Schacht, Gilles Riveau
Background: Leptin is a nutritional hormone whose production is generally higher in females. We investigated how leptin is associated with sex dimorphism during urinary schistosomiasis in relation with wasting. Methods: A cross-sectional study was carried out in three villages in northern Senegal. Ninety-eight school-aged children belonging to the Fulani or Wolof villages were enrolled. We performed parasitic diagnosis and anthropometric measurement to evaluate nutritional status...
January 17, 2018: Transactions of the Royal Society of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/29351623/development-of-sugar-chain-binding-single-chain-variable-fragment-antibody-to-adult-t-cell-leukemia-cells-using-glyco-nanotechnology-and-phage-display-method
#18
Kaname Muchima, Taro Todaka, Hiroyuki Shinchi, Ayaka Sato, Arisa Tazoe, Rikiya Aramaki, Yuhei Kakitsubata, Risa Yokoyama, Naomichi Arima, Masanori Baba, Masahiro Wakao, Yuji Ito, Yasuo Suda
Adult T-cell leukemia (ATL) is an intractable blood cancer caused by the infection of human T-cell leukemia virus type-1, and effective medical treatment is required. It is known that the structure and expression levels of cell surface sugar chains vary depending on cell states such as inflammation and cancer. Thus, it is expected that the antibody specific for ATL cell surface sugar chain would be an effective diagnostic tool and a strong candidate for the development of an anti-ATL drug. Here, we developed a stable sugar chain binding single chain variable fragment antibody (scFv) that can bind to ATL cells using a fiber type Sugar Chip and phage display method...
January 17, 2018: Journal of Biochemistry
https://www.readbyqxmd.com/read/29351593/usefulness-of-the-serial-measurement-of-vi-antibodies
#19
Keith P Klugman
No abstract text is available yet for this article.
January 17, 2018: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/29351573/multicenter-french-harmonization-study-for-pd-l1-ihc-testing-in-non-small-cell-lung-cancer
#20
J Adam, N Le Stang, I Rouquette, A Cazes, C Badoual, H Pinot-Roussel, L Tixier, C Danel, F Damiola, D Damotte, F Penault-Llorca, S Lantuéjoul
Background: Various PD-L1 immunohistochemistry (IHC) assays have been developed and used in clinical trials in association with different drugs. In order to harmonize and make PD-L1 testing in non-small cell lung cancer (NSCLC) widely available, we conducted a multicenter study comparing PD-L1 standardized assays and laboratory-developed tests (LDT). Methods: IHC with five anti-PD-L1 monoclonal antibodies (28-8, 22C3, E1L3N, SP142 and SP263) was performed concomitantly on 41 NSCLC surgical specimens in 7 centers using Dako Autostainer Link 48 (3 centers), Leica Bond (2 centers) or Ventana BenchMark Ultra (2 centers), platforms...
January 16, 2018: Annals of Oncology: Official Journal of the European Society for Medical Oncology
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