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https://www.readbyqxmd.com/read/27905680/the-burden-of-childhood-cancer-in-mexico-implications-for-low-and-middle-income-countries
#1
REVIEW
Roberto Rivera-Luna, Marta Zapata-Tarres, Jaime Shalkow-Klincovstein, Liliana Velasco-Hidalgo, Alberto Olaya-Vargas, Nicole Finkelstein-Mizrahi, Rocío Cárdenas-Cardós, Marco R Aguilar-Ortiz
In Mexico, childhood cancer incidence and mortality have increased in the last decade. Through government actions since 2005, the Popular Medical Insurance (PMI) program for childhood cancer was created. The objective of PMI was to offer early cancer diagnosis, standardized treatment regimens, and numerous pediatric oncology residency programs. It has also accredited 55 national hospitals for the care of these children. Current problems still present under the PMI include shortage of pediatric oncologists and nurses and high rate of abandonment of treatment...
December 1, 2016: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/27872130/a-first-in-human-phase-i-study-of-the-atp-competitive-akt-inhibitor-ipatasertib-gdc-0068-demonstrates-robust-and-safe-targeting-of-akt-in-patients-with-solid-tumors
#2
Cristina Saura, Desamparados Roda, Susana Roselló, Mafalda Oliveira, Teresa Macarulla, José Alejandro Pérez-Fidalgo, Rafael Morales-Barrera, Juan Manuel Sanchis-García, Luna Musib, Nageshwar Budha, Jin Zhu, Michelle Nannini, Wai Y Chan, Sandra M Sanabria Bohórquez, Raymond D Meng, Kui Lin, Yibing Yan, Premal Patel, José Baselga, Josep Tabernero, Andres Cervantes
Activation of Akt signaling by PTEN loss or PIK3CA mutations occurs frequently in human cancers but targeting Akt has been difficult due to the mechanism-based toxicities of inhibitors that target the inactive conformation of Akt. Ipatasertib (GDC‑0068) is a novel selective ATP-competitive small molecule inhibitor of Akt that preferentially targets active phosphorylated Akt and is potent in cell lines with evidence of Akt activation. In this Phase I study, ipatasertib was well-tolerated; most adverse events were gastrointestinal and Grade 1-2 in severity...
November 21, 2016: Cancer Discovery
https://www.readbyqxmd.com/read/27866339/recurrent-tp53-missense-mutation-in-cancer-patients-of-arab-descent
#3
Aviad Zick, Luna Kadouri, Sherri Cohen, Michael Frohlinger, Tamar Hamburger, Naama Zvi, Morasha Plaser, Eilat Avital, Shani Breuier, Firase Elian, Azzam Salah, Yael Goldberg, Tamar Peretz
Hereditary cancer comprises more than 10% of all breast cancer cases. Identification of germinal mutations enables the initiation of a preventive program that can include early detection or preventive treatment and may also have a major impact on cancer therapy. Several recurrent mutations were identified in the BRCA1/2 genes in Jewish populations however, in other ethnic groups in Israel, no recurrent mutations were identified to date. Our group established panel sequencing in cancer patients to identify recurrent, founder, and new mutations in the heterogeneous and diverse populations in Israel, We evaluated five breast cancer patients of Arab descent diagnosed with cancer before the age of 50 years and identified the previously described TP53 mutation, c...
November 19, 2016: Familial Cancer
https://www.readbyqxmd.com/read/27855702/tumor-immune-microenvironment-characterization-in-clear-cell-renal-cell-carcinoma-identifies-prognostic-and-immunotherapeutically-relevant-messenger-rna-signatures
#4
Yasin Şenbabaoğlu, Ron S Gejman, Andrew G Winer, Ming Liu, Eliezer M Van Allen, Guillermo de Velasco, Diana Miao, Irina Ostrovnaya, Esther Drill, Augustin Luna, Nils Weinhold, William Lee, Brandon J Manley, Danny N Khalil, Samuel D Kaffenberger, Yingbei Chen, Ludmila Danilova, Martin H Voss, Jonathan A Coleman, Paul Russo, Victor E Reuter, Timothy A Chan, Emily H Cheng, David A Scheinberg, Ming O Li, Toni K Choueiri, James J Hsieh, Chris Sander, A Ari Hakimi
BACKGROUND: Tumor-infiltrating immune cells have been linked to prognosis and response to immunotherapy; however, the levels of distinct immune cell subsets and the signals that draw them into a tumor, such as the expression of antigen presenting machinery genes, remain poorly characterized. Here, we employ a gene expression-based computational method to profile the infiltration levels of 24 immune cell populations in 19 cancer types. RESULTS: We compare cancer types using an immune infiltration score and a T cell infiltration score and find that clear cell renal cell carcinoma (ccRCC) is among the highest for both scores...
November 17, 2016: Genome Biology
https://www.readbyqxmd.com/read/27854258/antiproliferative-cytotoxic-and-apoptotic-activity-of-steroidal-oximes-in-cervicouterine-cell-lines
#5
Luis Sánchez-Sánchez, María Guadalupe Hernández-Linares, María L Escobar, Hugo López-Muñoz, Edgar Zenteno, María A Fernández-Herrera, Gabriel Guerrero-Luna, Alan Carrasco-Carballo, Jesús Sandoval-Ramírez
Steroidal sapogenins have shown antiproliferative effects against several tumor cell lines; and their effects on human cancer cells are currently under study. Changes in the functionality on the steroidal structure make it possible to modify the biological activity of compounds. Herein, we report the synthesis and in vitro antitumor activity of two steroidal oxime compounds on cervical cancer cells. These derivatives were synthesized from the steroidal sapogenin diosgenin in good yields. The in vitro assays show that the steroidal oximes show significant antiproliferative activity compared to the one observed for diosgenin...
November 14, 2016: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/27796496/clinical-application-of-the-lars-score-results-from-a-pilot-study
#6
Yolanda Ribas, Francesc Aguilar, Esther Jovell-Fernández, Ladislao Cayetano, Albert Navarro-Luna, Arantxa Muñoz-Duyos
PURPOSE: The impact of the low anterior resection syndrome (LARS) on quality of life has underscored the importance of measuring functional outcomes after treatment for rectal cancer. The aim of this study was to evaluate whether the LARS score as a single questionnaire was useful enough in the clinical setting. METHODS: Patients treated by curative anterior resection for rectal cancer were sent the LARS score and the European Organisation for Research and Treatment of Cancer Quality of Life Questionnaire-Core 30 questionnaires by post...
October 29, 2016: International Journal of Colorectal Disease
https://www.readbyqxmd.com/read/27782320/innate-immune-mediators-in-cancer-between-defense-and-resistance
#7
REVIEW
Pedro Berraondo, Luna Minute, Daniel Ajona, Leticia Corrales, Ignacio Melero, Ruben Pio
Chronic inflammation in the tumor microenvironment and evasion of the antitumor effector immune response are two of the emerging hallmarks required for oncogenesis and cancer progression. The innate immune system not only plays a critical role in perpetuating these tumor-promoting hallmarks but also in developing antitumor adaptive immune responses. Thus, understanding the dual role of the innate system in cancer immunology is required for the design of combined immunotherapy strategies able to tackle established tumors...
November 2016: Immunological Reviews
https://www.readbyqxmd.com/read/27776341/reduced-expression-of-filip1l-a-novel-wnt-pathway-inhibitor-is-associated-with-poor-survival-progression-and-chemoresistance-in-ovarian-cancer
#8
Mijung Kwon, Jae-Hoon Kim, Yevangelina Rybak, Alex Luna, Chel Hun Choi, Joon-Yong Chung, Stephen M Hewitt, Asha Adem, Elizabeth Tubridy, Juan Lin, Steven K Libutti
Filamin A interacting protein 1-like (FILIP1L) is an inhibitor of the canonical WNT pathway. WNT/β-catenin signaling and its downstream pathway, epithelial-to-mesenchymal transition (EMT), play a key role in ovarian cancer metastasis and chemoresistance. To study the clinical implications of FILIP1L in regulating the WNT/β-catenin pathway, the expression of FILIP1L, β-catenin, SNAIL and SLUG was analyzed by immunohistochemistry on tissue microarrays of 369 ovarian samples ranging from normal to metastatic...
October 20, 2016: Oncotarget
https://www.readbyqxmd.com/read/27774878/docking-and-qsar-studies-of-aryl-valproic-acid-derivatives-to-identify-anti-proliferative-agents-targeting-the-hdac8
#9
Heidy Martínez-Pacheco, Guillermo Ramírez-Galicia, Midalia Vergara-Arias, Jürg Gertsch, Jonathan Manuel Fragoso-Vázquez, David Méndez-Luna, A L Abujamra, Cabrera-Pérez Laura Cristina, Rosales-Hernández Martha Cecilia, I Mendoza-Lujambio, José Correa-Basurto
Histone deacetylase 8 (HDAC8) is a plausible target for the development of novel anticancer drugs using a metal-chelating group and hydrophobic moieties as pharmacophores. It is known that valproic acid (administered as its salt, sodium valproate; VPANa+) is an HDAC8 inhibitor characterized by its hydrophobic chains. Nevertheless, VPA is hepatotoxic and VPA analogues might be explored for less hepatotoxic antiproliferative compounds. In this work, docking and QSAR studies of 500 aryl-VPA derivatives as possible HDAC8 inhibitors were performed in order to explore and select potential anti-proliferative compounds...
October 19, 2016: Anti-cancer Agents in Medicinal Chemistry
https://www.readbyqxmd.com/read/27721065/utilizing-fluorescent-life-time-imaging-microscopy-technology-for-identify-carriers-of-brca2-mutation
#10
Tamar Zahavi, Gilad Yahav, Yael Shimshon, Sivan Gershanov, Luna Kaduri, Amir Sonnenblick, Dror Fixler, Asher Y Salmon, Mali Salmon-Divon
Worldwide, more than one million women are diagnosed with breast cancer every year, making it the most common female malignancy in the developed world. Germline mutations in BRCA1 and BRCA2 genes are estimated to increase the risk for developing breast cancer by up to 87%. From a clinical point of view, identification of BRCA1 and BRCA2 mutation carriers offers an opportunity to early identify or prevent the development of malignancy; therefore the ability to determine which women are more likely to carry BRCA1 or BRCA2 mutations is of great importance...
November 4, 2016: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/27706737/association-between-the-cdh1-472dela-and-160c-a-polymorphisms-and-diffuse-and-intestinal-gastric-cancer-in-a-mexican-population
#11
A R Bustos-Carpinteyro, N Delgado-Figueroa, E Santiago-Luna, M T Magaña-Torres, J Y Sánchez-López
Gastric cancer (GC), the third leading cause of cancer-related deaths in Mexico and worldwide, can be classified into diffuse (DGC) or intestinal (IGC) types based on its histological characteristics. DGC is characterized by reduced expression of the cell adhesion protein E-cadherin, which is encoded by CDH1. The -472delA (rs5030625) and -160C>A (rs16260) polymorphisms in CDH1 induce a decrease in gene transcription; in fact, these mutated alleles have been associated with GC in some populations, with conflicting results...
September 16, 2016: Genetics and Molecular Research: GMR
https://www.readbyqxmd.com/read/27695577/malignancies-trends-in-a-hispanic-cohort-of-hiv-persons-in-puerto-rico-before-and-after-cart
#12
Angel M Mayor, Eduardo J Santiago-Rodriguez, Eddy Rios-Olivares, Guillermo Tortolero-Luna, Robert F Hunter-Mellado
BACKGROUND: The study describes the cancer trends in a Puerto Rican Hispanic HIV/AIDS cohort for three different time periods as defined by the availability of combination antiretroviral therapy (cART) in the Island: pre (1992-1995), early (1996-2002, and recent (2003-2009). METHODS: AIDS and non-AIDS related malignancies risk, standardized incidence rate and one year mortality was evaluated in the cohort before and after cART. RESULTS: Of the 281 malignancies found in 265 persons; 72% were in men, 38% in injecting drug users and 42...
2016: International Journal of Cancer Research
https://www.readbyqxmd.com/read/27674614/long-waiting-lists-for-initiation-of-adjuvant-radiation-therapy-adversely-affects-survival-in-breast-cancer-patients-a-thing-to-consider-in-overcrowded-radiation-therapy-facilities
#13
C H Flores Balcazar, L Flores-Luna, C M Villarreal-Garza, A Mota-Garcia
No abstract text is available yet for this article.
October 1, 2016: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/27667558/salivary-gland-like-breast-carcinomas-an-infrequent-disease
#14
Santiago Sherwell-Cabello, Antonio Maffuz-Aziz, Nina Paola Ríos-Luna, Verónica Bautista-Piña, Sergio Rodríguez-Cuevas
OBJECTIVE: To show the incidence, as well as the clinical and histopathological characteristics, of patients diagnosed with mammary salivary gland-like carcinomas at our institution. MATERIALS AND METHODS: A retrospective study was conducted in all women diagnosed with breast cancer at our institution from January 2005 to February 2016. Patients with diagnosis of salivary gland-like breast carcinomas were included. RESULTS: In this period, 6384 patients were diagnosed with breast cancer at our institution; salivary gland-like carcinomas were found in 7 patients (0...
November 2016: Pathology, Research and Practice
https://www.readbyqxmd.com/read/27644600/hpv-and-cervical-cancer-epidemiology-current-status-of-hpv-vaccination-in-india
#15
REVIEW
Sharmila Chatterjee, Amit Chattopadhyay, Luna Samanta, Pinaki Panigrahi
Cervical cancer (CaCx) is the second most fatal cancer contributing to 14% of cancers in Indian females, which account for 25.4% and 26.5% of the global burden of CaCx prevalence and mortality, respectively. Persistent infection with high-risk human papilloma virus (HPV- strains 16 and 18) is the most important risk factor for precursors of invasive CaCx. Comprehensive prevention strategies for CaCx should include screening and HPV vaccination. Three screening modalities for CaCx are cytology, visual inspection with acetic acid, and HPV testing...
2016: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/27633264/the-safety-of-afatinib-for-the-treatment-of-non-small-cell-lung-cancer
#16
Feliciano Barron, Martha de la Torre-Vallejo, Rosa Luz Luna-Palencia, Andres F Cardona, Oscar Arrieta
INTRODUCTION: Lung cancer tumors present EGFR mutations associated with an increased response rate to tyrosine kinase inhibitors (TKIs). Afatinib acts as an irreversible pan-ErbB-TKI. AREAS COVERED: This review summarizes the results of clinical trials in NSCLC regarding its safety and efficacy. EXPERT OPINION: Afatinib in 40mg doses is highly effective in patients with NSCLC and EGFR mutations, improving progression-free survival and disease-related symptoms compared to chemotherapy...
September 16, 2016: Expert Opinion on Drug Safety
https://www.readbyqxmd.com/read/27610199/simple-trachelectomy-during-pregnancy-for-cervical-cancer
#17
Estefania Moreno-Luna, Patricia Alonso, Javier De Santiago, Ignacio Zapardiel
Invasive cervical cancer is rare during a pregnancy, even though it is one of the most frequently diagnosed neoplasias during that time. It is noted that around 30% of women diagnosed with cervical cancer are of reproductive age. This means that up to 3% of cases of cervical cancer are found in pregnant women or those who are in the post-birth period. A cervicovaginal Pap smear is performed as part of the regular checkup for a pregnant woman during the first visit so that cervical cancer can easily be diagnosed early in these women, detecting it early in up to 70-80% of cases...
2016: Ecancermedicalscience
https://www.readbyqxmd.com/read/27595254/-false-positive-result-in-mammography-and-its-association-with-the-presence-of-obesity-a-case-control-study
#18
Marisela Castro-Ibarra, Rufino Menchaca-Díaz, J Jesús Cabrales-Ruvalcaba, Rosa Alicia Luna-V Gómez
OBJECTIVE: To analyze the association between a false positive result in mammography and obesity, inside the breast cancer early detection program in women affiliated to the Institute of Security and Social Services for Government and Municipality workers of the State of Baja California (ISSSTECALI). MATERIAL AND METHODS: A case-control, retrospective study was done in women affiliated to ISSSTECALI to whom a mammography was performed between 2009 and 2012. Women with a false positive result in mammography were included as cases...
July 2016: Gaceta Médica de México
https://www.readbyqxmd.com/read/27569894/coexistence-of-papillary-thyroid-microcarcinoma-and-mucosa-associated-lymphoid-tissue-lymphoma-in-a-context-of-hashimoto-s-thyroiditis
#19
Saul Levy-Blitchtein, Stefany Plasencia-Rebata, Domingo Morales Luna, Juana Del Valle Mendoza
Papillary thyroid cancer (PTC) represents 80-85% of thyroid cancer and its prevalence has been rising in the last decades. Primary thyroid lymphoma (PTL) accounts for 3% of extranodal lymphomas and about 5% of thyroid malignancies, having a prevalence of one or two cases per million people. Mucosa-Associated Lymphoid Tissue lymphoma represents approximately 30% of PTL. Both entities have an indolent course and a very good prognosis. Diagnosis is made by ultrasound and fine needle aspiration (FNA) or surgery specimen pathology...
August 2016: Asian Pacific Journal of Tropical Medicine
https://www.readbyqxmd.com/read/27530895/can-endoscopic-papillectomy-be-curative-for-early-ampullary-adenocarcinoma-of-the-ampulla-of-vater
#20
María-Victoria Alvarez-Sanchez, Inés Oria, Olivia B Luna, Jean Pialat, Rodica Gincul, Christine Lefort, Raphael Bourdariat, Fabien Fumex, Vincent Lepilliez, Jean Yves Scoazec, Angel Salgado-Barreira, Anne Isabelle Lemaistre, Bertrand Napoléon
BACKGROUND: The therapeutic role of endoscopic papillectomy (EP) for early ampullary cancer (AC) is still controversial. The aim of the present study was to evaluate the curative potential of EP for early AC and to identify predictors of lymph node metastases (LNMs). METHODS: We retrospectively reviewed 173 patients who were prospectively included in a database and who underwent EP between 1999 and 2013. Adenocarcinoma was present in 28 resected specimens. An additional surgery was proposed in cases of duodenal submucosal infiltration, duct ingrowth, R1 resection or lymphovascular invasion...
August 16, 2016: Surgical Endoscopy
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