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https://www.readbyqxmd.com/read/29151279/detection-of-ctcs-in-cervical-cancer-using-a-conditionally-replicative-adenovirus-targeting-telomerase-positive-cells
#1
Masahiro Takakura, Takeo Matsumoto, Mitsuhiro Nakamura, Yasunari Mizumoto, Subaru Myojyo, Rena Yamazaki, Jyunpei Iwadare, Yukiko Bono, Shunsuke Orisaka, Takeshi Obata, Takashi Izuka, Kyosuke Kagami, Kentaro Nakayama, Hideki Hayakawa, Fuminori Sakurai, Hiroyuki Mizuguchi, Yasuo Urata, Toshiyoshi Fujiwara, Satoru Kyo, Toshiyuki Sasagawa, Hiroshi Fujiwara
Circulating tumor cells (CTCs) are newly discovered biomarkers of cancers. Although many systems detect CTCs, a gold standard has not yet been established. We analyzed CTCs in uterine cervical cancer patients using an advanced version of conditionally replicative adenovirus targeting telomerase-positive cells, which was enabled to infect coxsackievirus-adenovirus receptor-negative cells and to reduce false-positive signals in myeloid cells. Blood samples from cervical cancer patients were hemolyzed and infected with the virus and then labeled with fluorescent anti-CD45 and anti-pan cytokeratin antibodies...
November 19, 2017: Cancer Science
https://www.readbyqxmd.com/read/29151123/a-coxsackievirus-b-vaccine-protects-against-virus-induced-diabetes-in-an-experimental-mouse-model-of-type-1-diabetes
#2
Virginia M Stone, Minna M Hankaniemi, Emma Svedin, Amirbabak Sioofy-Khojine, Sami Oikarinen, Heikki Hyöty, Olli H Laitinen, Vesa P Hytönen, Malin Flodström-Tullberg
AIMS/HYPOTHESIS: Epidemiological studies suggest a role for Coxsackievirus B (CVB) serotypes in the pathogenesis of type 1 diabetes, but their actual contribution remains elusive. In the present study, we have produced a CVB1 vaccine to test whether vaccination against CVBs can prevent virus-induced diabetes in an experimental model. METHODS: NOD and SOCS1-tg mice were vaccinated three times with either a formalin-fixed non-adjuvanted CVB1 vaccine or a buffer control...
November 18, 2017: Diabetologia
https://www.readbyqxmd.com/read/29151075/formation-of-new-blood-vessels-during-gastric-ulcer-healing-role-of-bone-marrow-derived-endothelial-progenitor-cells
#3
A Ahluwalia, T Brzozowski, M K Jones, Y Ichikawa, A S Tarnawski
Regeneration of blood vessels (neovascularization) is critical for gastric ulcer (GU) healing. The contributions of bone marrow-derived endothelial progenitor cells (BMD-EPCs) to neovascularization during GU healing are not fully elucidated. Our specific aims were to determine whether in GU, BMD-EPCs are incorporated into blood vessels of GU granulation tissue jointly with ECs, thus forming hybrid vessels; or, form separate vessels consisting of only BMD-EPCs. GUs were induced in rats by serosal application of acetic acid...
August 2017: Journal of Physiology and Pharmacology: An Official Journal of the Polish Physiological Society
https://www.readbyqxmd.com/read/29151033/induction-of-dendritic-cell-mediated-activation-of-t-cells-from-atherosclerotic-plaques-by-human-heat-shock-protein-60
#4
Mizanur Rahman, Johnny Steuer, Peter Gillgren, Assim Hayderi, Anquan Liu, Johan Frostegård
BACKGROUND: Atherosclerosis is characterized by the presence of activated immune-competent cells including dendritic cells (DCs) and T cells, dead cells, and oxidized low-density lipoprotein. HSP60 (Heat shock protein 60) has been implicated in atherosclerosis. A plasma protein, Annexin A5, has atheroprotective properties. METHODS AND RESULTS: Human DCs differentiated from peripheral blood monocytes were treated with human HSP60 or HSP90 and autologous T cells were cocultured with these pretreated DCs (mDCs)...
November 18, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/29150736/effect-of-erythrocyte-sperm-separation-medium-on-nuclear-acrosomal-and-membrane-maturity-parameters-in-human-sperm
#5
Bikem Soygur, Soner Celik, Ciler Celik-Ozenci, Leyla Sati
PURPOSE: The purpose of this study is to investigate whether erythrocyte-sperm separation medium (ESSM) has effects on human sperm motility, morphology, viability, membrane maturity, acrosome integrity, and nuclear attributes before and after cryopreservation. METHODS: Semen samples from normozoospermic (n = 36) and oligozoospermic (n = 9) patients were analyzed. Samples from the same patient were divided into three aliquots: group 1 and group 2 were resuspended in sperm washing media and ESSM, respectively...
November 18, 2017: Journal of Assisted Reproduction and Genetics
https://www.readbyqxmd.com/read/29150642/rescue-of-pfos-induced-human-sertoli-cell-injury-by-overexpressing-a-p-fak-y407e-phosphomimetic-mutant
#6
Haiqi Chen, Ying Gao, Dolores D Mruk, Xiang Xiao, Constance M John, Paul J Turek, Wing-Yee Lui, Will M Lee, Bruno Silvestrini, C Yan Cheng
PFOS induces Sertoli cell injury using testicular cells isolated from rodent testes, but it remains unknown if PFOS has similar effects in humans. Herein, we maintained human Sertoli cells in a mitotically active state in vitro, thus enabling transfection experiments that altered gene expression to explore the molecular mechanism(s) underlying toxicant-induced cell injury. Human Sertoli cells obtained from men at ages 15, 23, 36 and 40 were cultured in vitro. These differentiated Sertoli cells remained mitotically active when cultured in the presence of 10% FBS (fetal bovine serum), with a replication time of ~1-3 weeks...
November 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29150612/health-impact-of-e-cigarettes-a-prospective-3-5-year-study-of-regular-daily-users-who-have-never-smoked
#7
Riccardo Polosa, Fabio Cibella, Pasquale Caponnetto, Marilena Maglia, Umberto Prosperini, Cristina Russo, Donald Tashkin
Although electronic cigarettes (ECs) are a much less harmful alternative to tobacco cigarettes, there is concern as to whether long-term ECs use may cause risks to human health. We report health outcomes (blood pressure, heart rate, body weight, lung function, respiratory symptoms, exhaled breath nitric oxide [eNO], exhaled carbon monoxide [eCO], and high-resolution computed tomography [HRCT] of the lungs) from a prospective 3.5-year observational study of a cohort of nine daily EC users (mean age 29.7 (±6...
November 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29150604/transcriptional-signature-of-human-pro-inflammatory-th17-cells-identifies-reduced-il10-gene-expression-in-multiple-sclerosis
#8
Dan Hu, Samuele Notarbartolo, Tom Croonenborghs, Bonny Patel, Ron Cialic, Tun-Hsiang Yang, Dominik Aschenbrenner, Karin M Andersson, Marco Gattorno, Minh Pham, Pia Kivisakk, Isabelle V Pierre, Youjin Lee, Karun Kiani, Maria Bokarewa, Emily Tjon, Nathalie Pochet, Federica Sallusto, Vijay K Kuchroo, Howard L Weiner
We have previously reported the molecular signature of murine pathogenic TH17 cells that induce experimental autoimmune encephalomyelitis (EAE) in animals. Here we show that human peripheral blood IFN-γ(+)IL-17(+) (TH1/17) and IFN-γ(-)IL-17(+) (TH17) CD4(+) T cells display distinct transcriptional profiles in high-throughput transcription analyses. Compared to TH17 cells, TH1/17 cells have gene signatures with marked similarity to mouse pathogenic TH17 cells. Assessing 15 representative signature genes in patients with multiple sclerosis, we find that TH1/17 cells have elevated expression of CXCR3 and reduced expression of IFNG, CCL3, CLL4, GZMB, and IL10 compared to healthy controls...
November 17, 2017: Nature Communications
https://www.readbyqxmd.com/read/29150535/disparities-in-management-of-cardiovascular-disease-in-rural-south-africa-data-from-the-haalsi-study-health-and-aging-in-africa-longitudinal-studies-of-international-network-for-the-demographic-evaluation-of-populations-and-their-health-communities
#9
Thiago Veiga Jardim, Sheridan Reiger, Shafika Abrahams-Gessel, Nigel J Crowther, Alisha Wade, F Xavier Gómez-Olivé, Joshua Salomon, Stephen Tollman, Thomas A Gaziano
BACKGROUND: Optimal secondary prevention is critical for the reduction of repeated cardiovascular events, and the control of cardiovascular risk factors in this context is essential. Data on secondary prevention of cardiovascular disease (CVD) in sub-Saharan Africa are needed to inform intervention strategies with a particular focus on local disparities. The aim of this study was to assess CVD management in a rural community in northeast South Africa. METHODS AND RESULTS: We recruited adults aged ≥40 years residing in the Agincourt subdistrict of Mpumalanga province...
November 2017: Circulation. Cardiovascular Quality and Outcomes
https://www.readbyqxmd.com/read/29150362/prevalence-of-pediculus-capitis-in-schoolchildren-in-battambang-cambodia
#10
Chien-Wei Liao, Po-Ching Cheng, Ting-Wu Chuang, Kuan-Chih Chiu, I-Chen Chiang, Juo-Han Kuo, Yun-Hung Tu, Yu-Min Fan, Hai-Tao Jiang, Chia-Kwung Fan
BACKGROUND/PURPOSE: Pediculus capitis is the most common human ectoparasite. When it feeds on the blood through the scalp of its host, the anticoagulant in its saliva causes scalp inflammation and itching, and consequent scratching by the host causes further inflammation from bacterial infection. P. capitis infestation is currently a common parasitic dermatosis and a critical public health concern in underdeveloped countries. METHODS: Through naked eye inspection of P...
October 23, 2017: Journal of Microbiology, Immunology, and Infection, Wei Mian Yu Gan Ran za Zhi
https://www.readbyqxmd.com/read/29150338/impacts-of-prenatal-triclosan-exposure-on-fetal-reproductive-hormones-and-its-potential-mechanism
#11
Caifeng Wang, Limei Chen, Shasha Zhao, Yi Hu, Yijun Zhou, Yu Gao, Weiye Wang, Jun Zhang, Ying Tian
BACKGROUND: Triclosan (TCS) has been widely detected in pregnant women. The reproductive endocrine-disrupting effects of TCS have been observed in humans and animals. Little is known about the potential impact of prenatal TCS exposure on fetal reproductive development as well as its potential mechanism. OBJECTIVES: We investigated the potential effect of prenatal TCS exposure on fetal reproductive hormones in cord blood and its potential mechanism in relation to placental steroidogenic enzymes...
November 14, 2017: Environment International
https://www.readbyqxmd.com/read/29150323/screening-of-patient-blood-samples-for-babesiosis-using-enzymatic-assays
#12
Shekerah Primus, Lavoisier Akoolo, Samantha Schlachter, Nikhat Parveen
Human babesiosis is an emerging tick-borne disease in the United States and Europe. Transmitted by Ixodes ticks, the causative agent Babesia microti is an intraerythrocytic parasite that causes mild to deadly disease. Transmission of B. microti can also occur by transfusion of infected blood and blood products resulting in transfusion-transmitted babesiosis (TTB), which carries a high risk of fatality. To effectively manage this rise in B. microti infections, better screening tools are needed, which require minimal manipulation of the samples before testing...
November 12, 2017: Ticks and Tick-borne Diseases
https://www.readbyqxmd.com/read/29150291/ruxolitinib-conjugated-gold-nanoparticles-for-topical-administration-an-alternative-for-treating-alopecia
#13
Sanda Boca, Cristian Berce, Ancuta Jurj, Bobe Petrushev, Laura Pop, Grigore-Aristide Gafencu, Sonia Selicean, Vlad Moisoiu, Daiana Temian, Wilhelm-Thomas Micu, Simion Astilean, Cornelia Braicu, Ciprian Tomuleasa, Ioana Berindan-Neagoe
Alopecia is a dermatological condition for which Janus kinase (JAK) inhibitors have recently emerged as potential therapy options, but with limited practical use because of the systemic side effects. The topical use of Ruxolitinib in alopecia universalis has been demonstrated, but little is known about the pharmacodynamics and pharmacokinetics of this way of administration. Nanomedicine provides improved therapeutics. In the current paper we present preliminary data regarding the potential use of Ruxolitinib-conjugated gold nanoparticles (GNPs) in dermatological conditions, as GNPs have been proven to have a reduced absorption rate into the systemic blood flow for cutaneous administration...
November 2017: Medical Hypotheses
https://www.readbyqxmd.com/read/29150289/the-cause-of-multiple-sclerosis-is-autoimmune-attack-of-adenosyltransferase-thereby-limiting-adenosylcobalamin-production
#14
J L Boucher
The pathogenesis of multiple sclerosis (MS) begins with an infection by a bacterium from the class of bacteria that produce and utilize adenosylcobalamin (AdoCbl) and possess an adenosyl transferase enzyme (ATR); these bacteria are the exogenous antigens that cause MS. Human ATR is homologous to bacterial ATR and B cells produce anti-ATR antibodies as an autoimmune response thereby reducing the concentration of ATR and thus limiting production of AdoCbl, one of the two bioactive forms of vitamin B12. The next step in MS pathogenesis is a period of subclinical AdoCbl deficiency over a period of many years resulting in production of odd-carbon-number fatty acids that are incorporated into myelin rendering it antigenic...
November 2017: Medical Hypotheses
https://www.readbyqxmd.com/read/29150047/cytogenetic-damage-in-peripheral-blood-lymphocytes-of-children-exposed-to-pesticides-in-agricultural-areas-of-the-department-of-cordoba-colombia
#15
Javier Alonso Ruiz-Guzmán, Pamela Gómez-Corrales, Ángel Cruz-Esquivel, José Luis Marrugo-Negrete
Pesticides offer benefits, like optimization of agricultural production and disease control; however, these toxic substances can contaminate the environment and pose risks to human health. The aim of this study was to assess pesticide exposure and frequency of cytogenetic damage in infant populations in agricultural areas of the department of Córdoba, Colombia. Urine and peripheral blood samples were taken from children living in the villages of La Ceibita (municipality of Cereté), Cabuya (municipality of San Carlos), Aguas Negras (municipality of Montería), Pelayito (municipality of San Pelayo), and the city of Monteria (control group)...
December 2017: Mutation Research
https://www.readbyqxmd.com/read/29150026/regulatory-t-cells-friends-or-foe-in-human-mycobacterium-leprae-infection
#16
Ana T Chaves, Atvaldo F Ribeiro-Junior, Sandra Lyon, Nayara I Medeiros, Fábio Cassirer-Costa, Karina S Paula, Edilamar S Alecrim, Cristiane A S Menezes, Rodrigo Correa-Oliveira, Manoel O C Rocha, Juliana A S Gomes
Regulatory T cells (Tregs) are known to control immune responses by suppressing the antigen-presenting and effector T cells. Some mechanisms adopted by Tregs in combating Mycobacterium infections have been proposed. Nevertheless, in M. leprae infection, also known as leprosy or Hansen's disease, the role of Tregs has not been completely elucidated. Using multicolor flow cytometry, we evaluated the expression of different cell surface and intracellular molecules present in Tregs from peripheral blood samples of leprosy patients...
November 13, 2017: Immunobiology
https://www.readbyqxmd.com/read/29149993/label-free-determination-of-prostate-specific-membrane-antigen-in-human-whole-blood-at-nanomolar-levels-by-magnetically-assisted-surface-enhanced-raman-spectroscopy
#17
Zuzana Chaloupková, Anna Balzerová, Jitka Bařinková, Zdenka Medříková, Pavel Šácha, Petr Beneš, Václav Ranc, Jan Konvalinka, Radek Zbořil
Prostate cancer is one of the most common cancers among men and can in its later stages cause serious medical problems. Due to the limited suitability of current diagnostic biochemical markers, new biomarkers for the detection of prostate cancer are highly sought after. An ideal biomarker should serve as a reliable prognostic marker, be applicable for early diagnosis, and be applicable for monitoring of therapeutic response. One potential candidate is glutamate carboxypeptidase II (GCPII), also known as prostate specific membrane antigen (PSMA), which has a promising role for direct imaging...
January 2, 2018: Analytica Chimica Acta
https://www.readbyqxmd.com/read/29149984/corneal-xenotransplantation-from-pig-to-rhesus-monkey-no-signs-of-transmission-of-endogenous-porcine-retroviruses
#18
A Li, Y Zhang, Y Liu, Z Pan
BACKGROUND: Xenotransplantations of pig corneas have become an attractive alternative to human corneas. Such xenotransplantations carry the danger, however, of transmission of porcine endogenous retroviruses (PERVs). Here, we investigated whether porcine corneas harbor viral DNA and RNA and whether transplantation to a nonhuman primate would lead to host PERV infection. METHODS: Monkey vein endothelial cells (MVECs) were inoculated with porcine aortic endothelial cell (PAEC) supernatants, and DNA and total RNA of MVECs were tested for PERV by polymerase chain reaction (PCR) and reverse transcription PCR (RT-PCR) assays...
November 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/29149898/detection-of-plasmodium-falciparum-male-and-female-gametocytes-and-determination-of-parasite-sex-ratio-in-human-endemic-populations-by-novel-cheap-and-robust-rtqpcr-assays
#19
Federica Santolamazza, Pamela Avellino, Giulia Siciliano, Franck Adama Yao, Fabrizio Lombardo, Jean Bosco Ouédraogo, David Modiano, Pietro Alano, Valentina Dianora Mangano
BACKGROUND: The presence of Plasmodium falciparum gametocytes in peripheral blood is essential for human to mosquito parasite transmission. The detection of submicroscopic infections with gametocytes and the estimation of the gametocyte sex ratio are crucial to assess the human host potential ability to infect mosquitoes and transmit malaria parasites. AIM AND OBJECTIVES: The aim of this work was to develop sensitive and cheap Real Time qPCR assays for large-scale epidemiological surveys, based on detection and amplification of gametocyte sex specific transcripts selected from the literature: the female-specific pfs25 and pf glycerol kinase (pfGK) and the male-specific pfs230p and pf13 transcripts...
November 17, 2017: Malaria Journal
https://www.readbyqxmd.com/read/29149822/olive-leaf-extracts-act-as-modulators-of-the-human-immune-response
#20
Thea Magrone, Anna Spagnoletta, Rosaria Salvatore, Manrico Magrone, Francesco Dentamaro, Matteo Antonio Russo, Graziana Difonzo, Carmine Summo, Francesco Caponio, Emilio Jirillo
BACKGROUND: Olive tree leaves have been used in the Mediterranean area as traditional medicine in virtue of their healthy effects. Olive leaf extracts (OLEs) contain higher amounts of polyphenols than those detected in the extra virgin olive oil and fruit. Several lines of evidence support the cardioprotective, anti-oxidant and anti-inflammatory activities exerted by OLEs. METHODS: Peripheral blood mononuclear cells (PBMCs) from twenty-five healthy donors were cultured in the presence of 3 μg of two OLE extracts, extract A (resuspended in water) and extract B (resuspended in 70% ethanol)...
November 15, 2017: Endocrine, Metabolic & Immune Disorders Drug Targets
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