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https://www.readbyqxmd.com/read/29052539/engineering-diagnostic-and-therapeutic-gut-bacteria
#1
Brian P Landry, Jeffrey J Tabor
Genetically engineered bacteria have the potential to diagnose and treat a wide range of diseases linked to the gastrointestinal tract, or gut. Such engineered microbes will be less expensive and invasive than current diagnostics and more effective and safe than current therapeutics. Recent advances in synthetic biology have dramatically improved the reliability with which bacteria can be engineered with the sensors, genetic circuits, and output (actuator) genes necessary for diagnostic and therapeutic functions...
October 2017: Microbiology Spectrum
https://www.readbyqxmd.com/read/29051114/changes-in-the-occurrence-severity-and-distress-of-symptoms-in-patients-with-gastrointestinal-cancers-receiving-chemotherapy
#2
Ilufredo Y Tantoy, Bruce A Cooper, Anand Dhruva, Janine Cataldo, Steven M Paul, Yvette P Conley, Marilyn Hammer, Fay Wright, Laura B Dunn, Jon D Levine, Christine Miaskowski
BACKGROUND: Studies on multiple dimensions of the symptom experience of patients with gastrointestinal cancers are extremely limited. Purpose was to evaluate for changes over time in the occurrence, severity, and distress of seven common symptoms in these patients. METHODS: Patients completed Memorial Symptom Assessment Scale, six times over two cycles of CTX. Changes over time in occurrence, severity, and distress of pain, lack of energy, nausea, feeling drowsy, difficulty sleeping, and change in the way food tastes were evaluated using multilevel regression analyses...
October 16, 2017: Journal of Pain and Symptom Management
https://www.readbyqxmd.com/read/29050278/identification-of-core-genes-and-outcome-in-gastric-cancer-using-bioinformatics-analysis
#3
Chenhua Sun, Qi Yuan, Dongdong Wu, Xiaohu Meng, Baolin Wang
Gastric cancer (GC) is a common malignant neoplasm of gastrointestinal tract. We chose gene expression profile of GSE54129 from GEO database aiming to find key genes during the occurrence and development of GC. 132 samples, including 111 cancer and 21 normal gastric mucosa epitheliums, were included in this analysis. Differentially expressed genes (DEGs) between GC patients and health people were picked out using GEO2R tool, then we performed gene ontology (GO) analysis and Kyoto Encyclopedia of Gene and Genome (KEGG) pathway analysis using The Database for Annotation, Visualization and Integrated Discovery (DAVID)...
September 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/29050254/rgs19-upregulates-nm23-h1-2-metastasis-suppressors-by-transcriptional-activation-via-the-camp-pka-creb-pathway
#4
Yuanjun Li, Jiaxing Song, Yao Tong, Sookja Kim Chung, Yung H Wong
The Nm23 metastasis suppressor family is involved in physiological and pathological processes including tumorigenesis and metastasis. Although the inverse correlation of Nm23 level with tumor metastasis potential has been widely observed, the mechanisms that regulate the expression of Nm23 remain poorly understood. Our previous studies have revealed that Nm23-H1/2 isoforms are upregulated by RGS19, a regulator of G protein signaling (RGS) protein which accelerates the termination of Gi signals. Here, we examined the ability of RGS19 to stimulate transcriptional regulation of Nm23 by screening a panel of luciferase reporter genes...
September 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/29049226/regorafenib-induced-retinal-and-gastrointestinal-hemorrhage-in-a-metastatic-colorectal-cancer-patient-with-liver-dysfunction-a-case-report
#5
Kenji Tsuchihashi, Hozumi Shimokawa, Kotoe Takayoshi, Kenta Nio, Tomomi Aikawa, Yuzo Matsushita, Iori Wada, Shuji Arita, Hiroshi Ariyama, Hitoshi Kusaba, Koh-Hei Sonoda, Koichi Akashi, Eishi Baba
RATIONALE: Regorafenib is effective for metastatic colorectal cancer but its toxicity such as hemorrhage should be considered. The safety of regorafenib for the patient with the liver disease is not known. PATIENT CONCERNS: Seventy-one-year old man of colon cancer had myodesopsia and blood stool after 14 days from the initiation of regorafenib administration with 50% dose reduction due to liver dysfunction. DIAGNOSES: Fundus examination revealed hemorrhage of the retinal vein...
October 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29047408/the-efficacy-of-the-kampo-medicine-rikkunshito-for-chemotherapy-induced-anorexia-rich-trial-study-protocol-for-a-randomized-controlled-trial
#6
Takuya Inoue, Hironori Takagi, Yuki Owada, Yuzuru Watanabe, Takumi Yamaura, Mitsuro Fukuhara, Satoshi Muto, Naoyuki Okabe, Yuki Matsumura, Takeo Hasegawa, Jun Osugi, Mika Hoshino, Mitsunori Higuchi, Yutaka Shio, Hiroshi Yokouchi, Kenya Kanazawa, Katsuya Ohbuchi, Takahisa Fukushima, Mitsuru Munakata, Hiroyuki Suzuki
BACKGROUND: Cisplatin is a key drug in lung cancer therapy. However, cisplatin is also well known to induce gastrointestinal disorders, such as chemotherapy-induced nausea and vomiting, anorexia, and weight loss. These symptoms sometimes affect patients' quality of life and make continuation of chemotherapy difficult. Anorexia is a cause of concern for patients with cancer because a persistent loss of appetite progresses to cancer cachexia. Although evidence-based management for chemotherapy has recently been established, there is room for improvement...
October 18, 2017: Trials
https://www.readbyqxmd.com/read/29046790/intraluminal-rectal-cancer-metastasis-to-the-small-bowel-an-extremely-rare-case-report
#7
Paraskevas Stamopoulos, Nikolaos Machairas, Stylianos Kykalos, Afrodite Nonni, Gregory Kouraklis, Georgios C Sotiropoulos
Prolonged survival in patients suffering from colorectal cancer (CRC) may lead to the emergence of rare metastatic sites that are not well-documented in the literature. We herein describe a very rare case of an intraluminal small intestinal metastasis in a patient with previously resected CRC. A 71-year-old Caucasian male patient with a history of rectosigmoid junction cancer was initially treated with anterior resection. The tumor was classified as pT3pN0 (0/26) M0, stage II. Eighteen months after the primary surgery, local recurrence was detected in the presacral region, and the patient received combined image-guided radiotherapy and chemotherapy...
October 2017: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/29046751/case-series-of-multiple-primary-cancers-in-single-individuals-diagnostic-and-therapeutic-dilemmas
#8
Faizan Malik, Naveed Ali, Jibran Durrani, Syed Imran Mustafa, Crystal Denlinger
Background and Objectives: Cancer recurrence represents treatment failure; the development of new primary tumors is suggestive of persistent exposure to etiological risk factors or genetic predisposition due to mutations in multiple cell lines. Case presentation/Design/Methods: The first case is a 65-years-old Caucasian male who presented with esophageal and lung cancer diagnosed synchronously. Smoking was the common risk factor for both cancers, underscoring field cancerization. The diagnosis and management was a challenge and different from either cancer presenting alone...
October 2017: Journal of Community Hospital Internal Medicine Perspectives
https://www.readbyqxmd.com/read/29046750/metastasis-to-the-pancreas-and-stomach-from-a-breast-cancer-primary-a-case-report
#9
Jason Kliiger, Mayer Gorbaty
A 60-year-old female with an unknown family history initially presented with signs and symptoms concerning for gastrointestinal cancer. Regular breast cancer screening and subsequent work-up around this time demonstrated the presence of T2N1 stage II triple positive ductal adenocarcinoma of the left breast. Follow-up imaging for her gastrointestinal symptoms demonstrated a 3.5 cm solitary mass in the pancreas and diffuse thickening of the stomach wall. Biopsies of the gastrointestinal lesions were identified as metastatic foci of the breast cancer primary...
October 2017: Journal of Community Hospital Internal Medicine Perspectives
https://www.readbyqxmd.com/read/29046099/neuroendocrine-tumours-within-a-meckel-s-diverticulum
#10
I Mora-Guzmán, J L Muñoz de Nova, E Martín-Pérez
A Meckel's diverticulum is a common anomaly of the gastrointestinal tract. Although the majority of patients do not have any symptoms, malignancies can develop inside these diverticula, with neuroendocrine tumours being the most common. Diverticulectomy is the best option for complicated diverticula but prophylactic resection of asymptomatic diverticula in adults remains controversial. We present a case series of three patients with a neuroendocrine tumour found in a Meckel's diverticulum. Given the number of asymptomatic diverticula not resected, it seems likely that incidental neuroendocrine tumours are more prevalent than thought previously...
October 19, 2017: Annals of the Royal College of Surgeons of England
https://www.readbyqxmd.com/read/29045560/inflammatory-gastrointestinal-diseases-associated-with-pd-1-blockade-antibodies
#11
M Collins, Jm Michot, Fx Danlos, C Mussini, E Soularue, C Mateus, D Loirat, A Buisson, I Rosa, O Lambotte, S Laghouati, N Chaput, C Coutzac, Al Voisin, Jc Soria, A Marabelle, S Champiat, C Robert, F Carbonnel
Background: Immune check-point blockade agents have shown clinical activity in cancer patients but are associated with immune-related adverse events that could limit their development. The aim of this study was to describe the gastrointestinal immune-related adverse events (GI-irAE) in patients with cancer treated with anti-PD-1. Methods: this is a retrospective study of consecutive adult patients who had a suspected GI-irAE due to anti-PD-1 antibodies between 2013 and 2016...
October 3, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/29045292/ovarian-metastases-of-breast-cancers-with-signet-ring-cells-a-report-of-17-cases-including-14-krukenberg-tumors
#12
Jennifer A Bennett, Robert H Young, Ai-Ying Chuang, Melinda F Lerwill
Krukenberg tumor, defined as metastatic adenocarcinoma to the ovary containing at least 10% signet ring cells, usually arises from the stomach but can also originate from other sites. We reviewed 17 metastatic breast carcinomas to the ovary with signet ring cells to potentially identify features indicative of mammary origin as opposed to other possible primary sites. The patients ranged from 41 to 76 (mean, 53.6) yr. Fourteen had a prior history of invasive breast carcinoma (invasive ductal carcinoma, 4; invasive lobular carcinoma, 3; adenocarcinoma not otherwise specified, 3; carcinoma with ductal and lobular features, 2; and unspecified carcinoma, 2) and metastases were identified 2 to 284 (mean, 79) mo after the original diagnosis...
October 17, 2017: International Journal of Gynecological Pathology
https://www.readbyqxmd.com/read/29044540/factors-affecting-hospital-length-of-stay-following-pelvic-exenteration-surgery
#13
Ying Guo, Eugene Chang, Mehtap Bozkurt, Minjeong Park, Diane Liu, Jack B Fu
BACKGROUND AND OBJECTIVES: Total pelvic exenteration are performed in patients with locally advanced or recurrent pelvic malignances. Many patients have prolong hospital length of stay (LOS), but risk factors are not clearly identified. METHODS: From 2002 through 2012, 100 consecutive patients undergoing pelvic exenteration were retrospectively reviewed. A general linear model was used to examine risk factors for prolonged hospital LOS. RESULTS: Among the 100 patients, 51 had gastrointestinal cancer, 14 had genitourinary cancer, 31 had gynecologic cancer, and 4 had sarcoma...
October 16, 2017: Journal of Surgical Oncology
https://www.readbyqxmd.com/read/29043599/shenyi-capsule-plus-chemotherapy-versus-chemotherapy-for-non-small-cell-lung-cancer-a-systematic-review-of-overlapping-meta-analyses
#14
Xiu-Wei Guo, Nai-Dong Hu, Gui-Zhi Sun, Meng Li, Pei-Tong Zhang
OBJECTIVE: To assist decision-makers interpret and choose among conflicting meta-analyses, as well as to offer treatment recommendations based on current best evidence by performing a systematic review of overlapping meta-analyses regarding Shenyi Capsule (, SC) plus chemotherapy versus chemotherapy of non-small cell lung cancer (NSCLC). METHODS: A literature search was conducted to select systematic reviews comparing SC plus chemotherapy with chemotherapy for NSCLC...
October 18, 2017: Chinese Journal of Integrative Medicine
https://www.readbyqxmd.com/read/29043580/a-comprehensive-assessment-of-accurate-lymph-node-staging-and-preoperative-detection-in-resected-pancreatic-cancer
#15
Toshiro Masuda, Amanda M Dann, Irmina A Elliott, Hideo Baba, Stephen Kim, Alireza Sedarat, V Raman Muthusamy, Mark D Girgis, O Joe Hines, Howard A Reber, Timothy R Donahue
BACKGROUND: The current (seventh edition) American Joint Commission on Cancer (AJCC) Staging System for pancreatic ductal adenocarcinoma (PDAC) dichotomizes pathologic lymph node (LN) involvement into absence (pN0) or presence (pN1) of disease. The recently announced eighth edition also includes stratification on the number of positive nodes. Furthermore, LNs detected on preoperative imaging (CT, MRI, or endoscopic ultrasound-EUS) are considered to be pathologically involved in other gastrointestinal cancers...
October 17, 2017: Journal of Gastrointestinal Surgery: Official Journal of the Society for Surgery of the Alimentary Tract
https://www.readbyqxmd.com/read/29043428/magnetic-resonance-imaging-for-clinical-management-of-rectal-cancer-updated-recommendations-from-the-2016-european-society-of-gastrointestinal-and-abdominal-radiology-esgar-consensus-meeting
#16
Regina G H Beets-Tan, Doenja M J Lambregts, Monique Maas, Shandra Bipat, Brunella Barbaro, Luís Curvo-Semedo, Helen M Fenlon, Marc J Gollub, Sofia Gourtsoyianni, Steve Halligan, Christine Hoeffel, Seung Ho Kim, Andrea Laghi, Andrea Maier, Søren R Rafaelsen, Jaap Stoker, Stuart A Taylor, Michael R Torkzad, Lennart Blomqvist
OBJECTIVES: To update the 2012 ESGAR consensus guidelines on the acquisition, interpretation and reporting of magnetic resonance imaging (MRI) for clinical staging and restaging of rectal cancer. METHODS: Fourteen abdominal imaging experts from the European Society of Gastrointestinal and Abdominal Radiology (ESGAR) participated in a consensus meeting, organised according to an adaptation of the RAND-UCLA Appropriateness Method. Two independent (non-voting) Chairs facilitated the meeting...
October 17, 2017: European Radiology
https://www.readbyqxmd.com/read/29043215/inhibitory-effect-of-hizikia-fusiformis-solvent-partitioned-fractions-on-invasion-and-mmp-activity-of-ht1080-human-fibrosarcoma-cells
#17
Seul-Gi Lee, Fatih Karadeniz, Jung Hwan Oh, Ga Hyun Yu, Chang-Suk Kong
Matrix metalloproteinases (MMPs) are endopeptidases that take significant roles in extracellular matrix degradation and therefore linked to several complications such as metastasis of cancer progression, oxidative stress, and hepatic fibrosis. Hizikia fusiformis, a brown algae, was reported to possess bioactivities, including but not limited to, antiviral, antimicrobial, and anti-inflammatory partly due to bioactive polysaccharide contents. In this study, the potential of H. fusiformis against cancer cell invasion was evaluated through the MMP inhibitory effect in HT1080 fibrosarcoma cells in vitro...
September 2017: Preventive Nutrition and Food Science
https://www.readbyqxmd.com/read/29042035/a-systematic-review-of-molecular-responses-to-cancer-therapy-in-normal-human-mucosa
#18
REVIEW
Mette Marcussen, Conni Skrubbeltrang, Julie Støve Bødker, Ilse Christiansen, Martin Bøgsted, Karen Dybkær, Olav Jonas Bergmann, Hans Erik Johnsen
OBJECTIVE: Cancer therapy-induced inflammation of oral and gastrointestinal mucosae affects patients nonuniformly. Preventive strategies are limited; no biomarker exists for pretreatment identification of patients likely to be severely affected. Animal models are preferred for studying molecular responses in mucosae during chemotherapy, but translation into clinical practice is difficult. We performed a systematic review to retrieve articles that described molecular changes in human mucosae during cancer therapy...
October 2017: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
https://www.readbyqxmd.com/read/29039557/microrna%C3%A2-663-suppresses-the-proliferation-and-invasion-of-colorectal-cancer-cells-by-directly-targeting-fscn1
#19
Shaojun Yu, Haiting Xie, Jingjing Zhang, Da Wang, Yongmao Song, Suzhan Zhang, Shu Zheng, Jian Wang
Colorectal cancer (CRC) is the most frequently diagnosed malignancy of the gastrointestinal tract. The dysregulation of microRNAs (miRNAs/miRs) has been reported in the majority of types of human cancer, and is correlated with tumorigenesis and tumor development. Abnormal expression of miR‑663 has been observed in various types of human cancer. However, little is known about its role in CRC. Therefore, the aim of the present study was to clarify the expression and potential role of miR‑663, and its underlying molecular mechanism in CRC...
October 17, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29039072/first-line-bolus-5-fluorouracil-plus-leucovorin-for-peritoneally-disseminated-gastric-cancer-with-massive-ascites-or-inadequate-oral-intake
#20
Hiroki Hara, Shigenori Kadowaki, Masako Asayama, Akira Ooki, Toko Yamada, Takako Yoshii, Kensei Yamaguchi
BACKGROUND: There are few chemotherapeutic options for advanced gastric cancer with severe disseminated peritoneal metastases, which are usually accompanied by ascites. Bolus 5-fluorouracil (5-FU) plus leucovorin therapy has been widely used against gastrointestinal malignancies, with resulting mild toxicities. METHODS: We retrospectively analyzed the efficacy and safety of first-line chemotherapy with bolus 5-FU plus l-leucovorin in 30 advanced gastric cancer patients who had massive ascites and/or inadequate oral intake...
October 16, 2017: International Journal of Clinical Oncology
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