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https://www.readbyqxmd.com/read/28212584/hyaluronic-acid-serum-albumin-conjugate-based-nanoparticles-for-targeted-cancer-therapy
#1
Ravit Edelman, Yehuda G Assaraf, Inna Levitzky, Tal Shahar, Yoav D Livney
Multiple carcinomas including breast, ovarian, colon, lung and stomach cancer, overexpress the hyaluronic acid (HA) receptor, CD44. Overexpression of CD44 contributes to key cancer processes including tumor invasion, metastasis, recurrence, and chemoresistance. Herein, we devised novel targeted nanoparticles (NPs) for delivery of anticancer chemotherapeutics, comprised of self-assembling Maillard reaction-based conjugates of HA and bovine serum albumin (BSA). HA served as the hydrophilic block, and as the ligand for actively targeting cancer cells overexpressing CD44...
February 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28210088/clinicopathological-treatment-and-prognosis-study-of-43-gastric-neuroendocrine-carcinomas
#2
De-Jun Liu, Xue-Liang Fu, Wei Liu, Lu-Ying Zheng, Jun-Feng Zhang, Yan-Miao Huo, Jiao Li, Rong Hua, Qiang Liu, Yong-Wei Sun
AIM: To provide more information and therapeutic methods about gastric neuroendocrine carcinomas (G-NECs) which occur rarely but are highly malignant and clinically challenging. METHODS: We retrospectively analyzed the clinicopathological characteristics, treatments, and prognosis of 43 G-NEC patients at our hospital between January 2007 and December 2014. The diagnosis was based on the 2010 World Health Organization criteria. RESULTS: Forty-three G-NECs containing 39 small cell carcinomas and 4 large cell NECs with Ki67 > 60% were included in this study, accounting for only 0...
January 21, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28210017/influence-of-prognostic-factors-for-recurrence-of-adenocarcinoma-of-the-stomach
#3
Indira Mehmedagic, Sefik Hasukic, Mirha Agic, Nedzad Kadric, Ismar Hasukic
INTRODUCTION: Gastric cancer is the second most important neoplasm in the world. Surgical resection is the treatment of choice for gastric cancer, and recognized by the International Union against Cancer (International Union Against Cancer - UICC) TNM classification of the parameters of the tumor and lymph node. Prognostic factors related to characteristics of the tumor by histopathologic findings have an impact on the planning of the operation. According to the results of most studies it is possible to predict survival and recurrence based on histological type and TNM classification of tumors on the one hand and the surgical procedure on the other...
December 2016: Medical Archives
https://www.readbyqxmd.com/read/28206938/a-review-of-sleeve-gastrectomy-specimen-histopathology
#4
Luke A Kinsinger, James C Garber, Oliver Whipple
With the increasing popularity of sleeve gastrectomy, many stomach specimens are being evaluated. Understanding the significance and treatment for unexpected pathology is important. This study examines the incidence of relevant histopathology of sleeve gastrectomy specimens. It evaluates previous data for each histopathology and provides recommendations for treatment. In this study, a retrospective review was performed for 241 patients who underwent sleeve gastrectomy from 2009 to 2014 at a single institution...
November 1, 2016: American Surgeon
https://www.readbyqxmd.com/read/28203472/cyanoacrylate-associated-foreign-body-granulomatous-gastritis-a-report-of-three-cases
#5
Gunes Guner, Olcay Kurtulan, Taylan Kav, Cenk Sokmensuer, Gokhan Gedikoglu, Aytekin Akyol
Granulomas are rarely seen in gastric biopsies mostly as an involvement of granulomatous diseases like sarcoidosis, Crohn's disease, infections, neoplasms, and vasculitis. Here, we claim cyanoacrylate as a foreign body type granuloma-causing agent in the stomach after vascular embolisation. We present cyanoacrylate associated gastric changes of three cases: two endoscopic biopsies and one gastric resection. In two cases, cyanoacrylate associated ulcers and granulomatous inflammation were observed in gastric mucosal biopsies following endoscopic examination after 7 months and 6 years of the glue injections, respectively...
2017: Case Reports in Pathology
https://www.readbyqxmd.com/read/28201969/vitamin-d-and-cancer-stem-cells-in-the-gastrointestinal-tract
#6
Ming-Xing Li, Long-Fei Li, Lin Zhang, Zan-Gang Xiao, Jing Shen, Wei Hu, Qiang Zeng, Chi-Hin Cho
Vitamin D has been widely used as a dietary supplement for the prevention and treatment of bone disorders. Epidemiological and preclinical studies demonstrated the anticancer action of vitamin D in a variety of cancers including those in the gastrointestinal (GI) tract. In these studies the inhibitory action of vitamin D on cancer stem cells (CSCs) has been a focus and is also an important subject to revolutionize the therapeutic potential of vitamin D on cancer treatment. Here, we summarize the involvement of CSC markers and factors and also their signaling pathways in the development of cancers in the esophagus, stomach, colon, pancreas and also liver...
February 14, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28195256/two-cases-of-sudden-death-due-to-pulmonary-tumor-thrombotic-microangiopathy-caused-by-occult-gastric-carcinoma
#7
M Ben Khelil, Y Chkirbene, H Azzouz, S Haouet, M Hamdoun
We present two cases of occult gastric carcinoma associated to a large pulmonary tumors thrombosis microangiopathy (PTTM). The first case is a 28 years-old man. He was dead due to a respiratory failure. Autopsy showed a whitish indurated mass invading the stomach wall. Histological findings showed a primary "signet ring" gastric adenocarcinoma with pulmonary carcinomatosis and multiple PTTM and a heart metastasis. The second case is a 24 years-old pregnant woman. The main symptoms were nausea and stomach discomfort and they were seen as pregnancy signs...
December 2016: Pathologica
https://www.readbyqxmd.com/read/28194522/a-prospective-multi-institutional-validity-study-to-evaluate-the-accuracy-of-clinical-diagnosis-of-pathological-stage-iii-gastric-cancer-jcog1302a
#8
Takeo Fukagawa, Hitoshi Katai, Junki Mizusawa, Kenichi Nakamura, Takeshi Sano, Masanori Terashima, Seiji Ito, Takaki Yoshikawa, Norimasa Fukushima, Yasuyuki Kawachi, Takahiro Kinoshita, Yutaka Kimura, Hiroshi Yabusaki, Yasunori Nishida, Yoshiaki Iwasaki, Sang-Woong Lee, Takashi Yasuda, Mitsuru Sasako
BACKGROUND: Neoadjuvant chemotherapy (NAC) followed by radical surgery is a promising strategy to improve survival of patients with stage III gastric cancer, but is associated with the risk of preoperative overdiagnosis by which patients with early disease may receive unnecessary intensive chemotherapy. METHODS: We assessed the validity of a preoperative diagnostic criterion in a prospective multicenter study. Patients with gastric cancer with a clinical diagnosis of T2/T3/T4, M0, except for diffuse large tumors and extensive bulky nodal disease, were eligible...
February 13, 2017: Gastric Cancer
https://www.readbyqxmd.com/read/28194260/anti-bacterial-effects-of-enzymatically-isolated-sialic-acid-from-glycomacropeptide-in-a-helicobacter-pylori-infected-murine-model
#9
Hye-Ji Noh, Hong Bum Koh, Hee-Kyoung Kim, Hyang Hyun Cho, Jeongmin Lee
BACKGROUND/OBJECTIVES: Helicobacter pylori (H. pylori) colonization of the stomach mucosa and duodenum is the major cause of acute and chronic gastroduodenal pathology in humans. Efforts to find effective anti-bacterial strategies against H. pylori for the non-antibiotic control of H. pylori infection are urgently required. In this study, we used whey to prepare glycomacropeptide (GMP), from which sialic acid (G-SA) was enzymatically isolated. We investigated the anti-bacterial effects of G-SA against H...
February 2017: Nutrition Research and Practice
https://www.readbyqxmd.com/read/28192510/downregulation-of-sp1-by-minnelide-leads-to-decrease-in-hsp70-and-decrease-in-tumor-burden-of-gastric-cancer
#10
Nivedita Arora, Osama Alsaied, Patricia Dauer, Kaustav Majumder, Shrey Modi, Bhuwan Giri, Vikas Dudeja, Sulagna Banerjee, Daniel Von Hoff, Ashok Saluja
BACKGROUND: Gastric cancer is the third leading cause of cancer related mortality worldwide with poor survival rates. Even though a number of chemotherapeutic compounds have been used against this disease, stomach cancer has not been particularly sensitive to these drugs. In this study we have evaluated the effect of triptolide, a naturally derived diterpene triepoxide and its water soluble pro-drug Minnelide on several gastric adenocarcinoma cell lines both as monotherapy and in combination with CPT-11...
2017: PloS One
https://www.readbyqxmd.com/read/28188501/effect-of-extending-the-original-eligibility-criteria-for-the-cross-neoadjuvant-chemoradiotherapy-on-toxicity-and-survival-in-esophageal-cancer
#11
E C de Heer, J B Hulshoff, D Klerk, J G M Burgerhof, D J A de Groot, J Th M Plukker, G A P Hospers
BACKGROUND: Patients with curable esophageal cancer (EC) who proceed beyond the original Chemoradiotherapy for Oesophageal Cancer Followed by Surgery Study (CROSS) eligibility criteria are also treated with neoadjuvant chemoradiotherapy (nCRT). This study assessed the effect that extending the CROSS eligibility criteria for nCRT has on treatment-related toxicity and overall survival (OS) in EC. METHODS: The study enrolled 161 patients with locally advanced EC (T1N1-3/T2-4aN0-3/M0) treated with the CROSS schedule followed by esophagectomy...
February 10, 2017: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/28188407/phase-ii-study-of-the-antibody-drug-conjugate-tak-264-mln0264-in-patients-with-metastatic-or-recurrent-adenocarcinoma-of-the-stomach-or-gastroesophageal-junction-expressing-guanylyl-cyclase-c
#12
Khaldoun Almhanna, Maria Luisa Limon Miron, David Wright, Antonio Cubillo Gracian, Richard A Hubner, Jean-Luc Van Laethem, Carolina Muriel López, Maria Alsina, Frederico Longo Muñoz, Johanna Bendell, Irfan Firdaus, Wells Messersmith, Zhan Ye, Adedigbo A Fasanmade, Hadi Danaee, Thea Kalebic
Background The first-in-class antibody-drug conjugate TAK-264 (formerly MLN0264) consists of an antibody targeting guanylyl cyclase C (GCC) conjugated to monomethyl auristatin E (MMAE) via a peptide linker. This phase II study evaluated the efficacy and safety of TAK-264 in patients with adenocarcinoma of the stomach or gastroesophageal junction expressing GCC, who had progressed on ≥1 line of prior therapy. Methods This study used a two-stage design, with an interim analysis conducted after stage I to determine whether to continue to stage II or discontinue on the grounds of futility...
February 11, 2017: Investigational New Drugs
https://www.readbyqxmd.com/read/28188377/-neuroendocrine-neoplasia-of-the-stomach-what-is-new
#13
T Knösel, C Reiter, G Schubert-Fritschle, A Altendorf-Hofmann, T Kirchner
INTRODUCTION: Neuroendocrine Neoplasms are classified according to the new WHO classification in (1.) well differentiated neuroendocrine tumors G1 (NET G1, Ki67 ≤ 2 or mitosis count <2) and (2.) well differentiated neuroendocrine tumors G2 (NET G2, Ki67 3-20 or mitosis count 2-20) and (3.) poorly differentiated neuroendocrine carcinomas G3 (NEC G3, Ki67 > 20 or mitosis count >20). MATERIAL AND METHODS: In this study 310 NENs of the Ludwig-Maximilians-University in Munich were reevaluated according to the new WHO classification...
February 10, 2017: Der Pathologe
https://www.readbyqxmd.com/read/28174386/-a-case-of-an-elderly-patient-who-experienced-long-term-survival-after-receiving-s-1-for-synchronous-advanced-gallbladder-and-stomach-cancer
#14
Rina Tsutsui, Naoto Kurihara, Yoshifumi Matsuura, Syuhei Iida
The reported patient was a 90-year-old woman with anorexia. She was diagnosed with advanced gallbladder cancer that occurred concurrently with stomach cancer. Subsequent to intestinal bypass surgery, S-1(80mg/day)was administered for 14 days, followed by 7 days of rest for one course. Tumor marker levels returned to normal after 4 months. Computed tomography results indicated that, in regard to the gallbladder cancer, the patient had stable disease after 8 months. In addition, gastroscopy revealed a complete response of the gastric cancer after a year...
January 2017: Gan to Kagaku Ryoho. Cancer & Chemotherapy
https://www.readbyqxmd.com/read/28174383/-a-case-of-synchronous-double-cancer-of-the-lung-and-stomach-that-responded-to-cisplatin-and-s-1-combination-chemotherapy
#15
Tomohide Sugiyama, Takashi Kasai, Yoichi Nakamura, Yukari Kamiyama, Kiyoshi Mori
A 55-year-old man experienced weight loss, as noted by a physician who was examining him for hypertension. Upper gastrointestinal endoscopy revealed a tumor lesion with an ulcer on the posterior wall of the greater curvature. A biopsy confirmed the presence of an adenocarcinoma(HER2 negative), and demonstrated enlarged para-aortic lymph nodes. Thus, stage IV type 3 ulcer infiltration-type gastric cancer was diagnosed. Computed tomography was included in the examination, and demonstrated nodular shadows in the right lower lobe and enlarged mediastinal nodes, as well as bilateral multiple granular shadows...
January 2017: Gan to Kagaku Ryoho. Cancer & Chemotherapy
https://www.readbyqxmd.com/read/28166823/giant-gastric-gastrointestinal-stromal-tumor-with-severe-peritoneal-dissemination-controlled-by-imatinib-therapy-following-debulking-surgery-a-case-report
#16
Shuichi Fukuda, Yoshinori Fujiwara, Tomoko Wakasa, Kotaro Kitani, Masanori Tsujie, Masao Yukawa, Yoshio Ohta, Masatoshi Inoue
BACKGROUND: At the time of diagnosis, giant gastric gastrointestinal stromal tumors are sometimes associated with severe peritoneal dissemination. Unresectable gastrointestinal stromal tumors are considered a systemic disease; therefore, imatinib therapy is currently the primary treatment option in these cases. CASE PRESENTATION: A 49-year-old Japanese woman was referred to our hospital with symptoms of anorexia, abdominal discomfort, and a palpable abdominal mass...
February 7, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28166075/clinico-histopathological-survey-of-head-and-neck-cancer-at-tertiary-health-care-centre-dhulikhel-hospital
#17
S Dixit, C Upadhyaya, M Humagain, R Srii, V Marla
Background Head and neck is one of the most prevalent site for cancers along with lungs, cervix, breast and stomach. Hospital based cancer registries required for effective evaluation of diagnosis and management of cancer is inadequate in Nepal. Cancer registry system established by WHO is acquired by seven major hospitals in our country. However, data from tertiary health care centres like ours remain undocumented. Objective The objective of this study is to perform retrospective analysis of clinicohistopathological types of head and neck lesions which were eventually diagnosed as cancer in Dhulikel Hospital, a tertiary health care centre of Central East Nepal...
April 2016: Kathmandu University Medical Journal (KUMJ)
https://www.readbyqxmd.com/read/28163289/a-case-of-metachronous-liver-metastasis-from-neuroendocrine-carcinoma-of-the-stomach-at-1-year-and-10-months-after-endoscopic-submucosal-dissection
#18
Masafumi Hashiguchi, Tsutomu Tamai, Yuuichiro Nasu, Fumisato Sasaki, Michiyo Higashi, Kaoru Hijikuro, Hisatomo Futawatari, Kouichirou Shigeta, Susumu Hasegawa, Akio Ido
A 77-year-old man underwent endoscopic submucosal dissection (ESD) of a type 0-IIc tumor located in the cardiac part of the stomach. The pathological diagnosis of the tumor was poorly differentiated tubular adenocarcinoma with submucosal invasion depth;therefore, radical gastrectomy was also performed. After 1 year and 10 months, liver metastasis was detected because of which partial liver resection was performed. The pathological diagnosis of the tumor was neuroendocrine carcinoma (NEC). The pathology of the ESD specimen was re-examined, and a diagnosis of gastric NEC was made;furthermore, the liver tumor was regarded as metachronous metastasis...
2017: Nihon Shokakibyo Gakkai Zasshi, the Japanese Journal of Gastro-enterology
https://www.readbyqxmd.com/read/28153506/clinicopathologic-study-of-calcifying-fibrous-tumor-of-the-gastrointestinal-tract-a-case-series
#19
Maryam Kherad Pezhouh, M Katayoon Rezaei, Maryam Shabihkhani, Arunima Ghosh, Deborah Belchis, Elizabeth A Montgomery, Lysandra Voltaggio
Calcifying fibrous tumor (CFT) is a rare benign mesenchymal lesion known to arise at multiple body sites that may clinically mimic other more aggressive lesions in the gastrointestinal (GI) tract. In this study we describe the clinicopathologic findings of 28 GI tract CFTs. Tumors predominantly arose in middle aged adults with a slight female predominance. The most commonly involved sites were small bowel and colon, followed by stomach and appendix. Tumors ranged from 0.3 to 9.3cm (median 1.4cm) and submucosa was the most commonly involved layer...
January 30, 2017: Human Pathology
https://www.readbyqxmd.com/read/28150875/atp2a3-gene-as-an-important-player-for-resveratrol-anticancer-activity-in-breast-cancer-cells
#20
Eduardo Izquierdo-Torres, Gabriela Rodríguez, Iván Meneses-Morales, Angel Zarain-Herzberg
The Ca(2+) -ATPases from the Sarco/endoplasmic reticulum (SERCA) are fundamental for maintaining intracellular [Ca(2+) ] homeostasis by pumping Ca(2+) into the endoplasmic reticulum (ER) of eukaryotic cells. SERCA enzymes are encoded by three different genes (ATP2A1-3), whose expression occurs in a tissue and development stage-specific manner. It has been reported alterations in the expression of SERCA2 and SERCA3 pumps in different types of cancer: oral, lung, colon, stomach, central nervous system, thyroid, breast, and prostate...
February 2, 2017: Molecular Carcinogenesis
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