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https://www.readbyqxmd.com/read/28214675/directional-delivery-of-rspo1-by-mesenchymal-stem-cells-ameliorates-radiation-induced-intestinal-injury
#1
Wei Chen, Songwen Ju, Ting Lu, Yongfang Xu, Xiaocui Zheng, Haiyan Wang, Yan Ge, Songguang Ju
Radiation-induced intestinal injury (RIII) commonly occurs in patients who received radiotherapy for pelvic or abdominal cancer, or who suffered from whole-body irradiation during a nuclear accident. RIII can lead to intestinal disorders and even death given its integrity damage that results from intestinal stem cell (ISC) loss. Recovery from RIII relies on the intensity of supportive treatment, which can attenuate lethal infection and give surviving stem cells an opportunity to regenerate. It has been reported that RSPO1 is a cytokine with potent and specific proliferative effects on intestinal crypt cells...
February 16, 2017: Cytokine
https://www.readbyqxmd.com/read/28214485/outcome-of-peripheral-venous-reconstructions-during-tumor-resection
#2
Philip Y Sun, Mark D Fleming, Kendall Stauffer, Manju Kalra, Gustavo Oderich, Thomas Bower, Peter Gloviczki, Randall R DeMartino
OBJECTIVE: Peripheral venous reconstruction surgery may be necessary for appropriate oncologic resection; however, the operative approach and surgical outcomes are not well described. We report our experience with these complex reconstructions to identify best practice. METHODS: We retrospectively reviewed all adult patients who underwent peripheral vein reconstruction for tumor resection at Mayo Clinic, Rochester (2000-2015). Patients were classified into three subgroups by the location: iliac (IL), lower extremity (LE), and upper extremity (UE)...
March 2017: Journal of Vascular Surgery. Venous and Lymphatic Disorders
https://www.readbyqxmd.com/read/28214397/a-case-of-iv-degree-on-acute-radiation-dermatitis-in-china
#3
Zhen Shen, Ya-Hong Chen, Yue Chen, Yan Chen, Zhe Lv, Hai-Cheng Gao
This report investigates the nursing procedure of a case of adjuvant therapy of rectal cancer on IV degree of acute radiation dermatitis patients in the penis and scrotum junction. The lesion degree gradually increased. Fixation of the dressing was difficult in the penis and scrotum junction. The concept of wet healing with new dressings was used in patient. The silver ion dressings were used in inhibiting infection, and the wound was covered by the rimmed foam dressings. When it comes to the shaping period, water gel transparent paste was applied instead to cover the wound...
February 2, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28214365/peripheral-blood-leukocytes-show-differential-expression-of-tumour-progression-related-genes-in-colorectal-cancer-patients-who-have-a-postoperative-intra-abdominal-infection-a-prospective-matched-cohort-study
#4
S Alonso, X Mayol, L Nonell, S Salvans, M Pascual, M Pera
AIM: Anastomotic leak is associated with higher rates of recurrence after surgery for colorectal cancer. However, the mechanisms responsible are unknown. We hypothesized that the infection-induced inflammatory response may induce overexpression of tumour progression-related genes in immune cells. The aim was to investigate the effect of postoperative intra-abdominal infection on the gene expression patterns of peripheral blood leukocytes (PBL) after surgery for colorectal cancer. METHODS: Prospective matched cohort study...
February 18, 2017: Colorectal Disease: the Official Journal of the Association of Coloproctology of Great Britain and Ireland
https://www.readbyqxmd.com/read/28214334/autophagy-impairment-by-helicobacter-pylori-induced-methylation-silencing-of-map1lc3av1-promotes-gastric-carcinogenesis
#5
Jibran Sualeh Muhammad, Sohachi Nanjo, Takayuki Ando, Satoshi Yamashita, Takao Maekita, Toshikazu Ushijima, Yoshiaki Tabuchi, Toshiro Sugiyama
Helicobacter pylori (H. pylori) infection induces methylation silencing of tumor suppressor genes causing gastric carcinogenesis. Impairment of autophagy induces DNA damage leading to genetic instability and carcinogenesis. We aimed to identify whether H. pylori infection induced methylation silencing of host autophagy-related (Atg) genes, impairing autophagy and enhancing gastric carcinogenesis. Gastric mucosae were obtained from 41 gastric cancer patients and 11 healthy volunteers (8 H. pylori-uninfected and 3 H...
February 18, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28214275/detection-of-pneumocystis-jirovecii-by-nested-pcr-in-hiv-negative-patients-with-pulmonary-disease
#6
Cristina Rodrigues Santos, Ângela M de Assis, Edson A Luz, Luzia Lyra, Ivan F Toro, José Claudio C Seabra, Dira H Daldin, Tathiane U Marcalto, Marcos T Galasso, Ronaldo F Macedo, Angélica Z Schreiber, Francisco H Aoki
BACKGROUND: Nested PCR can be used to determine the status of Pneumocystis jirovecii infection in other lung diseases. AIMS: This study sought to detect a target DNA fragment (mitochondrial large subunit rRNA or mtL SUrRNA) of P. jirovecii in patients with lung disease who underwent bronchoscopy with collection of bronchoalveolar lavage (BAL). METHODS: The results from toluidine blue staining were compared with those obtained using molecular methods that included an "in house" DNA extraction procedure, PCR and nested PCR...
February 14, 2017: Revista Iberoamericana de Micología
https://www.readbyqxmd.com/read/28214188/prevalence-of-human-papillomavirus-infection-among-71-435-women-in-jiangxi-province-china
#7
Tian-Yu Zhong, Ji-Chun Zhou, Rong Hu, Xiao-Na Fan, Xiao-Ying Xie, Zhao-Xia Liu, Min Lin, Yi-Guo Chen, Xiao-Mei Hu, Wei-Hua Wang, Long Li, Hua-Ping Xiao
Cervical cancer is the third most common cancer in women worldwide. Human papillomavirus (HPV) has been identified as an etiological factor for cervical cancer. Data on the prevalence and subtype distribution of HPV infection in Jiangxi Province are incomplete. In this study, we investigated HPV subtype distribution and prevalence in Jiangxi Province between August 1, 2010, and December 31, 2015. A total of 71,435 individuals ranging in age from 16 to 77 years were recruited. Cervicovaginal swabs were collected from each participant, and HPV screening was performed...
February 14, 2017: Journal of Infection and Public Health
https://www.readbyqxmd.com/read/28214185/characteristics-of-patients-with-liver-cancer-in-the-biobank-japan-project
#8
Shigekazu Ukawa, Emiko Okada, Koshi Nakamura, Makoto Hirata, Akiko Nagai, Koichi Matsuda, Zentaro Yamagata, Yoichiro Kamatani, Toshiharu Ninomiya, Yutaka Kiyohara, Kaori Muto, Michiaki Kubo, Yusuke Nakamura, Akiko Tamakoshi
BACKGROUND: Liver cancer is the fifth cause of cancer-related deaths in Japan. The BioBank Japan (BBJ) project included 200,000 patients with 47 diseases and samples; their clinical information can be used for further studies. METHODS: Patients diagnosed with liver cancer (n = 1733; 1316 men, 417 women) were included. Histology, patient characteristics, clinical characteristics, and causes of death were collected. Cumulative and relative survival rates for liver cancer were calculated...
February 14, 2017: Journal of Epidemiology
https://www.readbyqxmd.com/read/28213874/disease-burden-of-human-papillomavirus-infection-in-the-netherlands-1989-2014-the-gap-between-females-and-males-is-diminishing
#9
Scott A McDonald, Venetia Qendri, Johannes Berkhof, Hester E de Melker, Johannes A Bogaards
PURPOSE: Besides cervical cancer, HPV infection is linked to a multitude of diseases in both males and females, suggesting that vaccination programmes should be re-evaluated, with a judicious assessment made of the disease burden stratified by sex, age, and genotype. Projections of burden into the near future are also needed to provide a benchmark for evaluating the impact of vaccination programmes, and to assess the need for scaling-up preventive measures. METHODS: Using the disability-adjusted life-years (DALY) measure, we estimated the total HPV-associated disease burden in the Netherlands...
February 17, 2017: Cancer Causes & Control: CCC
https://www.readbyqxmd.com/read/28213689/serious-fungal-infections-in-egypt
#10
S M Zaki, D W Denning
We aimed to estimate the burden of serious fungal infections in Egypt, currently unknown, based on the size of the populations at risk and available epidemiological data. Data were obtained from the World Health Organization (WHO), the Joint United Nations Programme on HIV/AIDS (UNAIDS), and published reports with clearcut denominators. When no data existed, risk populations were used to estimate frequencies of fungal infections, using previously described methodology. The population of Egypt in 2011 was ∼82,500,000; 31% children, and 8% women >60 years of age...
February 17, 2017: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/28213277/fluorescence-and-computed-tomography-for-assessing-the-biodistribution-of-sirna-after-intratracheal-application-in-mice
#11
Antonia Geyer, Cornelia Lorenzer, Sebastian Gehrig, Manuela Simlinger, Johannes Winkler, Haider Sami, Manfred Ogris
Pulmonary delivery of nucleic acids opens the possibility for direct treatment of lung diseases, like fibrosis, cancer, and infections. Lung retention and biodistribution of nucleic acids remain important issues for the development of suitable therapeutic approaches. Moreover, monitoring the dynamic biodistribution processes of siRNA after aerosol delivery can help in identifying bottlenecks and optimising therapeutic concepts. We investigated dynamic biodistribution events after intratracheal application of chemically stabilised siRNA labeled with near infrared emitting dye AlexaFluor750 (AF750)...
February 14, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28212834/death-associated-protein-1-dap-1-positively-regulates-virus-replication-and-apoptosis-of-hemocytes-in-shrimp-marsupenaeus-japonicus
#12
Wen-Li Xia, Li-Hua Kang, Chang-Bin Liu, Cui-Jie Kang
Death-associated protein 1 (DAP1) is a small proline-rich cytoplasmic protein that functions both in the apoptosis and autophage process of mammalian and in the clinical cancer of human. However, little knowledge is known about the homologue gene of DAP1 and its roles in the physiological process of invertebrates. In this paper, we report a novel function of DAP1 in the antivirus immunity of shrimp. A homologue gene of DAP1 was cloned from Marsupenaeus japonicus and named as Mjdap-1. The full-length of Mjdap-1 was 1761 bp with a 309 bp open reading frame that encoded 102 amino acids...
February 14, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28212672/cytokeratin7-and-cytokeratin19-expression-in-high-grade-cervical-intraepithelial-neoplasm-and-squamous-cell-carcinoma-and-their-possible-association-in-cervical-carcinogenesis
#13
Hojung Lee, Hyekyung Lee, Yong Kyun Cho
BACKGROUND: High risk human papillomavirus (HR HPV) infects cells at the squamocolumnar junction (SCJ) of the cervix, causing cancer. Cytokeratin (CK)7 is an SCJ marker, and stains cervical neoplasia. CK19 is a binding partner of CK7 and expressed in cervical cancer. Despite this possible association between CK7/CK19 and cervical cancer, not much is known about the mechanism of CK7/CK19 involvement in HR HPV-mediated cervical carcinogenesis. METHODS: We analyzed the expression pattern of CK7, CK19, and p16 by using immunohistochemistry and HPV infection by in situ hybridization in 25 cases of high grade cervical intraepithelial neoplasia (CIN3) and in 30 cases of squamous cell carcinoma (SCC)...
February 17, 2017: Diagnostic Pathology
https://www.readbyqxmd.com/read/28212619/brain-and-liver-pathology-amyloid-deposition-and-interferon-responses-among-older-hiv-positive-patients-in-the-late-haart-era
#14
Isaac H Solomon, Umberto De Girolami, Sukrutha Chettimada, Vikas Misra, Elyse J Singer, Dana Gabuzda
BACKGROUND: HIV+ patients on highly active antiretroviral therapy (HAART) with suppressed viral loads have a low incidence of HIV-associated dementia, but increased prevalence of milder forms of HIV-associated neurocognitive disorders (HAND). These milder forms of HAND are often associated with minimal histological abnormalities, and their pathophysiology is unclear. Comorbidities, altered amyloid metabolism, accelerated brain aging, and activated interferon responses are suspected to play a role in HAND pathogenesis in HAART-treated persons...
February 17, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28212549/the-prevalence-and-clinicopathological-features-of-breast-cancer-patients-with-hepatitis-b-virus-infection-in-china
#15
He Wu, Chunxia Zhao, Vishnu Prasad Adhikari, Linjie Lu, Jianbo Huang, Yuxian Wei, Qingqing Luo, Wei Dai, Yutuan Wu, Xin Li, Kainan Wu, Ling-Quan Kong
We performed a case-control study to investigate the prevalence and clinicopathological features of breast cancer patients with hepatitis B virus (HBV) infection in China. The clinical data for 2,796 female patients with newly diagnosed, primary breast cancer were evaluated. A total of 234 breast cancer patients with HBV infection (the case group; positive for hepatitis B surface antigen [HBsAg]) and 444 breast cancer patients without HBV infection (the control group; negative for HBsAg, hepatitis B surface antibody, hepatitis B envelope antigen, hepatitis B envelope antibody, and hepatitis B core antibody) were selected for study...
February 13, 2017: Oncotarget
https://www.readbyqxmd.com/read/28212473/-five-year-survival-analysis-in-patients-with-penile-cancer
#16
Álvaro José Montiel-Jarquín, Antonio Jesús Contreras-Díaz, Eduardo Vázquez-Cruz, Marco Antonio Chopin-Gazga, María Socorro Romero-Figueroa, Ivet Etchegaray-Morales, Ivan Alvarado-Ortega
BACKGROUND: Short-term survival of penile cancer is poor. The objective was to describe the 5-years penile cancer survival. METHODS: Retrospective cohort study. We included patients with penile cancer managed surgically from 2010 to 2014. Descriptive statistics were used for socio-demographic variables and the Kaplan-Meier estimator for survival function. RESULTS: We studied 22 patients with a mean age of 64.95 years and a time of evolution of 25 months after the diagnosis...
2017: Revista Médica del Instituto Mexicano del Seguro Social
https://www.readbyqxmd.com/read/28211314/procedure-for-horizontal-transfer-of-patient-derived-xenograft-tumors-to-eliminate-corynebacterium-bovis
#17
Christopher A Manuel Stacey M Bagby Julie A Reisinger Umarani Pugazhenthi Todd M Pitts Stephen B Keysar John J Arcaroli And Jori K Leszczynski
Human patient-derived xenograft (PDX) tumors, propagated in immunodeficient mice, are rapidly growing in use as amodelfor cancer research. Horizontal transfer between mice, without in vitro cell culture, allows these tumors to retainmany of their unique characteristics from their individual patient of origin. However, the immunodeficient mouse strainsused to grow these tumors are susceptible to numerous opportunistic pathogens, including Corynebacterium bovis. At ourinstitution, 2 in vivo tumor banks of PDX tumors had been maintained within nude mouse colonies enzootically infectedwith C...
February 16, 2017: Journal of the American Association for Laboratory Animal Science: JAALAS
https://www.readbyqxmd.com/read/28211039/cutaneous-squamous-cell-carcinoma-an-epidemiological-review
#18
REVIEW
A C Green, C M Olsen
Cutaneous squamous cell carcinoma (SCC) is a common cancer in white populations and its disease burden is often substantially underestimated. SCC occurs more often in men than women and increases dramatically with age; those affected often develop multiple primaries over time, which increases the burden. The main external cause is solar ultraviolet radiation (UVR), with immunosuppression being the other established risk factor, shown by the high SCC rates in organ transplant recipients. Sunbed use and certain genetic disorders and medical conditions are also associated with SCC, while associations with human papillomavirus infection and high bodyweight are not established...
February 16, 2017: British Journal of Dermatology
https://www.readbyqxmd.com/read/28210636/hemophagocytic-lymphohistiocytosis-in-a-patient-with-hodgkin-lymphoma-and-concurrent-ebv-cmv-and-candida-infections
#19
Moaath Mustafa Ali, Ana Lucia Ruano Mendez, Hetty E Carraway
Hemophagocytic lymphohistiocytosis (HLH) is a syndrome characterized by immune activation and subsequent widespread organ damage. Patients affected by HLH commonly develop fever, cytopenias, liver damage, neurologic manifestations, and hypercytokinemia. In this case, we describe a 60-year-old male who presented with HLH and concurrent Epstein-Barr virus, cytomegalovirus, and Candida infections and was subsequently diagnosed with a Hodgkin lymphoma. This case highlights the importance of considering a cancer diagnosis in the differential diagnosis of patients presenting with HLH...
January 2017: Journal of Investigative Medicine High Impact Case Reports
https://www.readbyqxmd.com/read/28210481/human-papillomavirus-hpv-virion-induced-cancer-and-subfertility-two-sides-of-the-same-coin
#20
REVIEW
T Depuydt, J Beert, E Bosmans, G Salembier
In the natural history of HPV infections, the HPV virions can induce two different pathways, namely the infec- tious virion producing pathway and the clonal transforming pathway. An overview is given of the burden that is associated with HPV infections that can both lead to cervical cancer and/or temporal subfertility. That HPV infections cause serious global health burden due to HPV-associated cancers is common knowledge, but that it is also responsible for a substantial part of idiopathic subfertility is greatly underestimated...
December 2016: Facts, Views & Vision in ObGyn
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