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https://www.readbyqxmd.com/read/28918561/marine-polysaccharides-therapeutic-efficacy-and-biomedical-applications
#1
REVIEW
Young-Eun Lee, Hyeongmin Kim, Changwon Seo, Taejun Park, Kyung Bin Lee, Seung-Yup Yoo, Seong-Chul Hong, Jeong Tae Kim, Jaehwi Lee
The ocean contains numerous marine organisms, including algae, animals, and plants, from which diverse marine polysaccharides with useful physicochemical and biological properties can be extracted. In particular, fucoidan, carrageenan, alginate, and chitosan have been extensively investigated in pharmaceutical and biomedical fields owing to their desirable characteristics, such as biocompatibility, biodegradability, and bioactivity. Various therapeutic efficacies of marine polysaccharides have been elucidated, including the inhibition of cancer, inflammation, and viral infection...
September 16, 2017: Archives of Pharmacal Research
https://www.readbyqxmd.com/read/28918433/procalcitonin-and-c-reactive-protein-as-early-markers-of-postoperative-intra-abdominal-infection-in-patients-operated-on-colorectal-cancer
#2
E Domínguez-Comesaña, S M Estevez-Fernández, V López-Gómez, J Ballinas-Miranda, R Domínguez-Fernández
PURPOSE: The aim of this study was to evaluate the accuracy of serum procalcitonin (PCT) and C-reactive protein (CRP) for early diagnosis of postoperative intra-abdominal infections (PIAI) after elective surgery for colorectal cancer. METHODS: Prospective observational study including patients operated on for colorectal cancer between January and December of 2015 was performed. Serum PCT and CRP levels were measured before surgery and daily until postoperative day 3...
September 16, 2017: International Journal of Colorectal Disease
https://www.readbyqxmd.com/read/28918424/systemic-inflammatory-response-is-a-prognostic-marker-in-hiv-infected-patients-with-hepatocellular-carcinoma
#3
David J Pinato, Marco Merli, Alessia Dalla Pria, Shiraz Jamshaid, Kizzy Parker, Nicole Pagani, Hamid Hasson, Caterina Uberti Foppa, Emanuela Messina, Rohini Sharma, Mark Nelson, Mark Bower
BACKGROUND: Hepatocellular carcinoma (HCC) is increasingly prevalent in people living with HIV. Systemic inflammation is a prognostic factor requiring validation in HIV-associated HCC. AIMS: Using a multi-centre database of consecutive HCC cases, we investigated the prognostic role of a panel of inflammatory markers, including neutrophil to lymphocyte ratio (NLR), using univariate and multivariate survival analyses. RESULTS: Fifty-nine patients with HIV-associated HCC secondary to hepatitis C (69%) or B virus infection (32%) were identified...
September 16, 2017: Oncology
https://www.readbyqxmd.com/read/28917654/the-anticancer-functions-of-rig-i-like-receptors-rig-i-and-mda5-and-their-applications-in-cancer-therapy
#4
REVIEW
Yuanbing Wu, Xinqiang Wu, Longhuo Wu, Xiangcai Wang, Zhiping Liu
Cancer is a major cause of death worldwide, and its incidence and mortality continuously increase in China. Nowadays, cancer heavily influences our health and constitutes enormous burden on society and families. Although there are many tools for cancer treatment, but the overall therapeutic effect is poor. In addition, cancer cells often develop resistance to therapy due to defective cell death or immune escape mechanisms. Therefore, it is a promising way for cancer treatment to effectively activate apoptosis and conquer immunosuppression...
August 31, 2017: Translational Research: the Journal of Laboratory and Clinical Medicine
https://www.readbyqxmd.com/read/28916971/emergency-room-visits-and-readmissions-following-implementation-of-an-enhanced-recovery-after-surgery-ieras-program
#5
Trevor Wood, Mary-Anne Aarts, Allan Okrainec, Emily Pearsall, J Charles Victor, Marg McKenzie, Ori Rotstein, Robin S McLeod
BACKGROUND: Enhanced Recovery After Surgery (ERAS) guidelines have been widely promoted and supported largely due to several studies showing decreased post-operative complications and length of stay. The objective of this study was to review the emergency room (ER) visits and readmission rates and reasons for both in patients who were part of the Implementation of an Enhanced Recovery After Surgery (iERAS) program for colorectal surgery. METHODS: All patients having elective colorectal surgery at 15 academic hospitals were enrolled in the iERAS program...
September 15, 2017: Journal of Gastrointestinal Surgery: Official Journal of the Society for Surgery of the Alimentary Tract
https://www.readbyqxmd.com/read/28916903/merkel-cell-carcinoma-epidemiology-pathogenesis-diagnosis-and-therapy
#6
REVIEW
Teresa Amaral, Ulrike Leiter, Claus Garbe
Merkel cell carcinoma (MCC) is a rare and aggressive skin cancer with a neuroendocrine phenotype. Incidence varies according to the geographic regions but is overall increasing. Different risk factors have been identified namely advanced age, immunosuppression, and ultraviolet light exposure. An association between MCC and polyomavirus infection is known. However, the exact mechanism that leads to carcinogenesis is yet to be fully understood. Surgery when feasible is the recommended treatment for localized disease, followed by adjuvant radiation or chemoradiation...
September 16, 2017: Reviews in Endocrine & Metabolic Disorders
https://www.readbyqxmd.com/read/28916655/tethering-il2-to-its-receptor-il2r%C3%AE-enhances-anti-tumor-activity-and-expansion-of-natural-killer-nk92-cells
#7
Youssef Jounaidi, Joseph F Cotten, Keith W Miller, Stuart A Forman
Interleukin-2 (IL2) is an immunostimulatory cytokine for key immune cells including T cells and natural killer (NK) cells. Systemic IL2 supplementation could enhance NK-mediated immunity in a variety of diseases ranging from neoplasms to viral infection. However, its systemic use is restricted by its serious side effects and limited efficacy due to activation of T regulatory cells (Tregs). IL2 signaling is mediated through interactions with a multi-subunit receptor complex containing IL2Rα, IL2Rβ and IL2Rγ...
September 15, 2017: Cancer Research
https://www.readbyqxmd.com/read/28916509/risk-prediction-of-cervical-cancer-and-precancers-by-type-specific-human-papillomavirus-%C3%A2-evidence-from-a-population-based-cohort-study-in-china
#8
Li Dong, Shang-Ying Hu, Qian Zhang, Ruimei Feng, Li Zhang, Xuelian Zhao, Xun Zhang, Fang-Hui Zhao, You-Lin Qiao
Risk stratification of human papillomavirus (HPV)-positive women is needed to avoid excessive colposcopy and overtreatment in cervical cancer screening. We aimed to evaluate the predictive value of type-specific HPV in detecting cervical cancer and precancers in a Chinese population-based cohort and provide evidence of HPV genotyping to triage HPV-positive women. We typed all Hybrid Capture 2-positive cytological samples of 1,742 women in Shanxi Province Cervical Cancer Screening Study cohort. Cumulative risks of cervical intraepithelial neoplasia grade 2 or worse (CIN2+) among HPV positive women and cumulative detection rates of CIN2+ among general women by type-specific HPV were estimated during the course of ten-year follow-up...
September 15, 2017: Cancer Prevention Research
https://www.readbyqxmd.com/read/28916457/in-vitro-activity-of-1h-phenalen-1-one-derivatives-against-acanthamoeba-castellanii-neff-and-their-mechanisms-of-cell-death
#9
Atteneri López-Arencibia, María Reyes-Batlle, Mónica Blanco Freijo, Grant McNaughton-Smith, Patricia Martín-Rodríguez, Leandro Fernández-Pérez, Ines Sifaoui, Carolina Wagner, Ana B García-Méndez, Aitor Rizo Liendo, Carlos J Bethencourt-Estrella, Teresa Abad-Grillo, José E Piñero, Jacob Lorenzo-Morales
Acanthamoeba is an opportunistic pathogen which is the causal agent of a sight-threatening ulceration of the cornea known as Acanthamoeba keratitis (AK) and, more rarely, an infection of the central nervous system called "granulomatous amoebic encephalitis" (GAE). The symptoms of AK are non-specific, and so it can be misdiagnosed as a viral, bacterial, or fungal keratitis. Furthermore, current therapeutic measures against AK are arduous, and show limited efficacy against the cyst stage of Acanthamoeba. 1H-Phenalen-1-one (PH) containing compounds have been isolated from plants and fungi, where they play a crucial role in the defense mechanism of plants...
September 12, 2017: Experimental Parasitology
https://www.readbyqxmd.com/read/28915586/hepatitis-c-virus-core-protein-targets-4e-bp1-expression-and-phosphorylation-and-potentiates-myc-induced-liver-carcinogenesis-in-transgenic-mice
#10
Cosette Abdallah, Charlène Lejamtel, Nassima Benzoubir, Serena Battaglia, Nazha Sidahmed-Adrar, Christophe Desterke, Matthieu Lemasson, Arielle R Rosenberg, Didier Samuel, Christian Bréchot, Delphine Pflieger, François Le Naour, Marie-Françoise Bourgeade
Hepatitis C virus (HCV) is a leading cause of liver diseases including the development of hepatocellular carcinoma (HCC). Particularly, core protein has been involved in HCV-related liver pathologies. However, the impact of HCV core on signaling pathways supporting the genesis of HCC remains largely elusive. To decipher the host cell signaling pathways involved in the oncogenic potential of HCV core, a global quantitative phosphoproteomic approach was carried out. This study shed light on novel differentially phosphorylated proteins, in particular several components involved in translation...
August 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28915562/detecting-the-genetic-link-between-alzheimer-s-disease-and-obesity-using-bioinformatics-analysis-of-gwas-data
#11
Qi-Shuai Zhuang, Hao Zheng, Xiao-Dan Gu, Liang Shen, Hong-Fang Ji
Alzheimer's disease (AD) represents the major form of dementia in the elderly. In recent years, accumulating evidence indicate that obesity may act as a risk factor for AD, while the genetic link between the two conditions remains unclear. This bioinformatics analysis aimed to detect the genetic link between AD and obesity on single nucleotide polymorphisms (SNPs), gene, and pathway levels based on genome-wide association studies data. A total of 31 SNPs were found to be shared by AD and obesity, which were linked to 7 genes...
August 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28915394/overcoming-the-warburg-effect-is-it-the-key-to-survival-in-sepsis
#12
REVIEW
David Bar-Or, Matthew Carrick, Allen Tanner, Mark J Lieser, Leonard T Rael, Edward Brody
Sepsis is a leading cause of mortality in the U.S. and Europe. Sepsis and septic shock are the results of severe metabolic abnormalities following infection. Aerobic glycolysis (the Warburg Effect) is as much a hallmark of sepsis as it is of cancer. Warburg observed that cancer cells generated energy through glycolysis (generation of ATP through degradation of glucose, usually associated with anaerobic conditions) rather than through oxidative phosphorylation (generation of ATP through the mitochondrial inner membrane via the tricarboxylic acid cycle, usually associated with aerobic conditions)...
September 8, 2017: Journal of Critical Care
https://www.readbyqxmd.com/read/28914637/signal-transducer-and-activator-of-transcription-gain-of-function-primary-immunodeficiency-immunodysregulation-disorders
#13
Filippo Consonni, Laura Dotta, Francesca Todaro, Donatella Vairo, Raffaele Badolato
PURPOSE OF REVIEW: To describe primary immunodeficiencies caused by gain-of-function (GOF) mutations of signal transducer and activator of transcription (STAT) genes, a group of genetically determined disorders characterized by susceptibility to infections and, in many cases, autoimmune manifestations. RECENT FINDINGS: GOF mutations affecting STAT1 result in increased STAT tyrosine phosphorylation and secondarily increased response to STAT1-signaling cytokines, such as interferons...
September 13, 2017: Current Opinion in Pediatrics
https://www.readbyqxmd.com/read/28913712/surgical-site-infection-is-associated-with-tumor-recurrence-in-patients-with-extrahepatic-biliary-malignancies
#14
Stefan Buettner, Cecilia G Ethun, George Poultsides, Thuy Tran, Kamran Idrees, Chelsea A Isom, Matthew Weiss, Ryan C Fields, Bradley Krasnick, Sharon M Weber, Ahmed Salem, Robert C G Martin, Charles R Scoggins, Perry Shen, Harveshp D Mogal, Carl Schmidt, Eliza Beal, Ioannis Hatzaras, Rivfka Shenoy, Bas Groot Koerkamp, Shishir K Maithel, Timothy M Pawlik
BACKGROUND: Surgical site infections (SSI) are one of the most common complications after hepato-pancreato-biliary surgery. Infectious complications may lead to an associated immune-modulatory effect that inhibits the body's response to cancer surveillance. We sought to define the impact of SSI on long-term prognosis of patients undergoing surgical resection of extrahepatic biliary malignancies (EHBM). METHODS: Patients undergoing surgery for EHBM between 2000 and 2014 were identified using a large, multi-center, national cohort dataset...
September 14, 2017: Journal of Gastrointestinal Surgery: Official Journal of the Society for Surgery of the Alimentary Tract
https://www.readbyqxmd.com/read/28913566/adar-rna-editing-in-human-disease-more-to-it-than-meets-the-i
#15
REVIEW
Angela Gallo, Dragana Vukic, David Michalík, Mary A O'Connell, Liam P Keegan
We review the structures and functions of ADARs and their involvements in human diseases. ADAR1 is widely expressed, particularly in the myeloid component of the blood system, and plays a prominent role in promiscuous editing of long dsRNA. Missense mutations that change ADAR1 residues and reduce RNA editing activity cause Aicardi-Goutières Syndrome, a childhood encephalitis and interferonopathy that mimics viral infection and resembles an extreme form of Systemic Lupus Erythmatosus (SLE). In Adar1 mouse mutant models aberrant interferon expression is prevented by eliminating interferon activation signaling from cytoplasmic dsRNA sensors, indicating that unedited cytoplasmic dsRNA drives the immune induction...
September 14, 2017: Human Genetics
https://www.readbyqxmd.com/read/28913323/cutaneous-basal-cell-carcinoma-arising-in-odontogenic-cutaneous-fistula
#16
Nam Gyun Kim, Jun Oh Kim, Young Ji Park, Jun Sik Kim, Yoon Jung Lee, Kyung Suk Lee
An odontogenic cutaneous fistula is a pathological communication between the outer skin surface of the face and the oral cavity. Facial cutaneous fistula is a complication of odontogenic infection that is often misdiagnosed with skin infection. We report a rare case, which was diagnosed as basal cell carcinoma based on the biopsy of skin lesions in the patient who had been diagnosed with odontogenic cutaneous fistula. A 64-year-old male patient presented with a cutaneous odontogenic fistula. The patient had undergone surgical extraction of fistula tract and loose tooth before dermatology or plastic surgery consultation...
June 2017: Arch Craniofac Surg
https://www.readbyqxmd.com/read/28912948/outbreak-of-fusarium-oxysporum-infections-in-children-with-cancer-an-experience-with-7-episodes-of-catheter-related-fungemia
#17
Fabianne Carlesse, Anna-Paula C Amaral, Sarah S Gonçalves, Hemilio Xafranski, Maria-Lucia M Lee, Victor Zecchin, Antonio S Petrilli, Abdullah M Al-Hatmi, Ferry Hagen, Jacques F Meis, Arnaldo L Colombo
BACKGROUND: Fusarium species are widely spread in nature as plant pathogens but are also able to cause opportunistic fungal infections in humans. We report a cluster of Fusarium oxysporum bloodstream infections in a single pediatric cancer center. METHODS: All clinical and epidemiological data related to an outbreak involving seven cases of fungemia by Fusarium oxysporum during October 2013 and February 2014 were analysed. All cultured isolates (n = 14) were identified to species level by sequencing of the TEF1 and RPB2 genes...
2017: Antimicrobial Resistance and Infection Control
https://www.readbyqxmd.com/read/28912828/dendritic-immunotherapy-improvement-for-an-optimal-control-murine-model
#18
J C Rangel-Reyes, J C Chimal-Eguía, E Castillo-Montiel
Therapeutic protocols in immunotherapy are usually proposed following the intuition and experience of the therapist. In order to deduce such protocols mathematical modeling, optimal control and simulations are used instead of the therapist's experience. Clinical efficacy of dendritic cell (DC) vaccines to cancer treatment is still unclear, since dendritic cells face several obstacles in the host environment, such as immunosuppression and poor transference to the lymph nodes reducing the vaccine effect. In view of that, we have created a mathematical murine model to measure the effects of dendritic cell injections admitting such obstacles...
2017: Computational and Mathematical Methods in Medicine
https://www.readbyqxmd.com/read/28912781/microrna-dynamic-regulators-of-macrophage-polarization-and-plasticity
#19
REVIEW
Jezrom Bokcaerin Self-Fordham, Afsar Raza Naqvi, Juhi Raju Uttamani, Varun Kulkarni, Salvador Nares
The ability of a healthy immune system to clear the plethora of antigens it encounters incessantly relies on the enormous plasticity displayed by the comprising cell types. Macrophages (MΦs) are crucial member of the mononuclear phagocyte system (MPS) that constantly patrol the peripheral tissues and are actively recruited to the sites of injury and infection. In tissues, infiltrating monocytes replenish MΦ. Under the guidance of the local micro-milieu, MΦ can be activated to acquire specialized functional phenotypes...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28912409/-a-case-of-pneumocystis-pneumonia-during-adjuvant-dose-dense-chemotherapy-for-breast-cancer
#20
Noriko Sagawa, Norie Abe, Tomohiko Ishimine, Hisamitsu Zaha
A 47-year-old woman received adjuvant chemotherapy for breast cancer. On the 13th day of 4 courses of dose-dense AC therapy, she developed a fever. She was orally administered an antibioticfor febrile neutropenia treatment. She showed no improvement of symptoms and gradually presented with new symptoms, including a non-productive cough and dyspnea. After admission, she underwent a further examination, and was provided a diagnosis of pneumocystis pneumonia. It is reported that patients receiving chemotherapy for solid tumors are less likely to develop opportunistic infections...
September 2017: Gan to Kagaku Ryoho. Cancer & Chemotherapy
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