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https://www.readbyqxmd.com/read/28438519/role-of-18-f-fdg-pet-ct-in-primary-brain-lymphoma
#1
Á de-Bonilla-Damiá, R Fernández-López, F J Capote-Huelva, F de la Cruz-Vicente, J J Egea-Guerrero, I Borrego-Dorado
OBJECTIVE: To study the usefulness of (18)F-FDG PET/CT in the initial evaluation and in the response assessment in primary brain lymphoma. MATERIAL AND METHODS: A retrospective analysis was carried out on 18 patients diagnosed with primary brain lymphoma, a histological subtype of diffuse large B-cell lymphoma, on whom an initial (18)F-FDG PET/CT and MRI was performed, with 7 of the cases being analysed after the completion of treatment in order to assess response and clinical follow up...
April 21, 2017: Revista Española de Medicina Nuclear e Imagen Molecular
https://www.readbyqxmd.com/read/28434043/early-whole-brain-radiotherapy-in-primary-cns-lymphoma-negative-impact-on-quality-of-life-in-the-randomized-g-pcnsl-sg1-trial
#2
Ulrich Herrlinger, Niklas Schäfer, Rolf Fimmers, Frank Griesinger, Michael Rauch, Heinz Kirchen, Patrick Roth, Martin Glas, Michael Bamberg, Peter Martus, Eckhard Thiel, Agnieszka Korfel, Michael Weller
PURPOSE: In the randomized G-PCNSL-SG-1 trial, the addition of whole brain radiotherapy (45 Gy) to high-dose methotrexate (HD-MTX)-based chemotherapy (early WBRT arm) did not prolong overall survival (OS) as compared to HD-MTX-based chemotherapy alone (no early WBRT arm) in primary CNS lymphoma (PCNSL) patients. To determine whether WBRT might lead to quality of life (QoL)-relevant late neurotoxicity, this trial prospectively monitored QoL. METHODS: QoL measurements were performed using the EORTC-QLQ-C30 and BN20 questionnaires and combined with repeated Mini Mental State Examinations (MMSE)...
April 22, 2017: Journal of Cancer Research and Clinical Oncology
https://www.readbyqxmd.com/read/28431340/first-macrocyclic-3-rd-generation-alk-inhibitor-for-treatment-of-alk-ros1-cancer-clinical-and-designing-strategy-update-of-lorlatinib
#3
REVIEW
Sulman Basit, Zaman Ashraf, Kwangho Lee, Muhammad Latif
Non-small cell lung cancers (NSCLC) harboring anaplastic lymphoma kinase (ALK) gene rearrangements invariably develop resistance to 2(nd)-generation ALK inhibitors. Lorlatinib (PF-06463922) (6) is a 3(rd)-generation macrocyclic ALK-TKI that demonstrates many advantages over 2(nd)-generation ALK inhibitors. Lorlatinib has demonstrated decent kinase selectivity, promising pharmacokinetic profile, selective brain-penetration and strong antiproliferative activity in several ALK/ROS1-driven tumor models. The current review describes the activity spectrum, key events from discovery to clinical applications and the evidences that lorlatinib acts as an ALK/ROS1 inhibitor in clinical settings...
April 13, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28427529/primary-central-nervous-system-lymphoma
#4
REVIEW
Giovanni Citterio, Michele Reni, Gemma Gatta, Andrés José Maria Ferreri
Primary CNS lymphomas (PCNSL) represent a subgroup of malignancies with specific characteristics, aggressive course, and unsatisfactory outcome in contrast with other lymphomas comparable for tumour burden and/or histological type. Despite a high chemo- and radiosensitivity, remissions are frequently shortlasting, mainly because the blood brain-barrier limits the access of many drugs to the CNS. Moreover, survivor patients are at high risk of developing severe treatment-related toxicity, mainly disabling neurotoxicity, raising the question of how to balance therapy intensification with side-effects control...
May 2017: Critical Reviews in Oncology/hematology
https://www.readbyqxmd.com/read/28427190/pygopus2-inhibits-the-efficacy-of-paclitaxel-induced-apoptosis-and-induces-multidrug-resistance-in-human-glioma-cells
#5
Cefan Zhou, Hongxia Cheng, Wenying Qin, Yi Zhang, Hui Xiong, Jing Yang, Huang Huang, Yefu Wang, Xing-Zhen Chen, Jingfeng Tang
Anti-microtubule drugs, such as paclitaxel (PTX), are extensively used for the treatment of numerous cancers. However, growing evidence has shown that PTX resistance, either intrinsic or acquired, frequently occurs in patients and results in the failure of treatment, contributing to the high cancer mortality rate. Therefore, it is necessary to identify the genes or pathways involved in anti-microtubule drug resistance for future successful treatment of cancers. Pygopus2 (Pygo2), which contains a Zn-coordinated plant homeodomain (PHD) finger domain, is critical for β-catenin-dependent transcriptional switches in normal and malignant tissues and is over-expressed in various cancers, including human brain glioma...
March 2, 2017: Oncotarget
https://www.readbyqxmd.com/read/28427013/the-accelerated-path-of-ceritinib-translating-pre-clinical-development-into-clinical-efficacy
#6
REVIEW
Tony S K Mok, Lucio Crino, Enriqueta Felip, Ravi Salgia, Tommaso De Pas, Daniel S W Tan, Laura Q M Chow
The discovery of anaplastic lymphoma kinase (ALK)-rearranged non-small-cell lung cancer (NSCLC) in 2007 led to the development and subsequent approval of the ALK inhibitor crizotinib in 2011. However, despite its clinical efficacy, resistance to crizotinib invariably develops. There is now a next generation of ALK inhibitors, including two that have been approved-ceritinib and alectinib-and others that are in development-brigatinib, lorlatinib and X-396. Ceritinib and the other next-generation ALK inhibitors are more potent than crizotinib and can overcome tumor cell resistance mechanisms...
March 30, 2017: Cancer Treatment Reviews
https://www.readbyqxmd.com/read/28420814/cell-adhesion-molecule-1-cadm1-expressed-on-adult-t-cell-leukemia-lymphoma-cells-is-not-involved-in-the-interaction-with-macrophages
#7
Yoshihiro Komohara, Chaoya Ma, Hiromu Yano, Cheng Pan, Hasita Horlad, Yoichi Saito, Koji Ohnishi, Yukio Fujiwara, Yutaka Okuno, Kisato Nosaka, Shunsuke Shimosaki, Kazuhiro Morishita, Masao Matsuoka, Tomohiko Wakayama, Motohiro Takeya
Cell adhesion molecule 1 (CADM1) is a cell adhesion molecule that is expressed in brain, liver, lung, testis, and some kinds of cancer cells including adult T-cell leukemia/lymphoma (ATLL). Recent studies have indicated the involvement of CADM1 in cell-cell contact between cytotoxic T-lymphocytes and virus infected cells. We previously reported that cell-cell interaction between lymphoma cells and macrophages induces lymphoma cell proliferation. In the present study, we investigated whether CADM1 is associated with cell-cell interaction between several human lymphoma cell lines and macrophages...
April 18, 2017: Journal of Clinical and Experimental Hematopathology: JCEH
https://www.readbyqxmd.com/read/28413886/effects-of-cadmium-on-bcl-2-bax-expression-ratio-in-rat-cortex-brain-and-hippocampus
#8
S Mahdavi, P Khodarahmi, N H Roodbari
To investigate the underlying mechanism of neurotoxicity of cadmium, we examined the effects of intraperitoneal injection of cadmium on messenger RNA (mRNA) expression of Bcl-2 (B-cell lymphoma 2) and Bax (Bcl2-associated x) genes and caspase-3/7 activation in rat hippocampus and frontal cortex. Twenty-eight male Wistar rats weighing 200-250 g were randomly divided into four groups. Control group received saline and three other groups received cadmium at doses of 1, 2 and 4 mg/kg (body weight) for 15 successive days...
January 1, 2017: Human & Experimental Toxicology
https://www.readbyqxmd.com/read/28408492/cd81-as-a-tumor-target
#9
REVIEW
Felipe Vences-Catalán, Caroline Duault, Chiung-Chi Kuo, Ranjani Rajapaksa, Ronald Levy, Shoshana Levy
CD81 participates in a variety of important cellular processes such as membrane organization, protein trafficking, cellular fusion and cell-cell interactions. In the immune system, CD81 regulates immune synapse, receptor clustering and signaling; it also mediates adaptive and innate immune suppression. CD81 is a gateway in hepatocytes for pathogens such as hepatitis C virus and Plasmodium; it also confers susceptibility to Listeria infection. These diverse biological roles are due to the tendency of CD81 to associate with other tetraspanins and with cell-specific partner proteins, which provide the cells with a signaling platform...
April 15, 2017: Biochemical Society Transactions
https://www.readbyqxmd.com/read/28405535/signet-cell-in-the-brain-a-case-report-of-leptomeningeal-carcinomatosis-as-the-presenting-feature-of-gastric-signet-cell-cancer
#10
Saeed Ali, Muhammad Talha Khan, Evgeny A Idrisov, Aadil Maqsood, Fnu Asad-Ur-Rahman, Khalid Abusaada
Malignant infiltration of pia and arachnoid mater, referred to as leptomeningeal carcinomatosis (LMC), is a rare complication of gastric carcinoma. The most common underlying malignancy in patients with LMC are leukemia, breast cancer, lymphoma, and lung cancer. We report a case of gastric adenocarcinoma that presented with LMC in the absence of overt gastrointestinal signs or symptoms. A 56-year-old Hispanic woman presented to the hospital with a three-week history of intermittent headaches and visual blurring...
March 7, 2017: Curēus
https://www.readbyqxmd.com/read/28402151/tanshinone-inhibits-neuronal-cell-apoptosis-and-inflammatory-response-in-cerebral-infarction-rat-model
#11
Liang Zhou, Jie Zhang, Chao Wang, Qiangsan Sun
We aimed to investigate the effect and mechanisms of tanshinone (TSN) IIA in cerebral infarction. The cerebral infarction rat model was established by middle cerebral artery occlusion (MCAO). After pretreatment with TSN, cerebral infarct volume, cerebral edema, and neurological deficits score were evaluated, as well as cell apoptosis in hippocampus and cortex of the brain was examined with terminal deoxynucleotidyl transferase dUTP nick end labeling (TUNEL) and the levels of interleukin-6 (IL-6), tumor necrosis factor-α (TNF-α), and C-reactive protein (CRP) were determined by Enzyme-Linked Immunosorbent Assay (ELISA)...
April 1, 2017: International Journal of Immunopathology and Pharmacology
https://www.readbyqxmd.com/read/28397504/-chemotherapy-related-cognitive-impairment-in-patients-with-hodgkin-lymphoma-pathophysiology-and-risk-factors
#12
D Fayette, Ľ Gahérová, H Móciková, J Marková, T Kozák, J Horáček
BACKGROUND: Cognitive impairment (impairment of memory, attention, or concentration) is documented in 17-75% of patients with various malignancies treated with chemotherapeutic agents that worsen quality of life. CRCI affects patients of all ages. The impairment of cognitive function in connection with chemotherapy is usually mild, but an event. relationship with dementia remains to be confirmed. Chemotherapy in combination with radiotherapy in Hodgkin lymphoma can cure 80-90% of patients...
2017: Klinická Onkologie: Casopis Ceské a Slovenské Onkologické Spolecnosti
https://www.readbyqxmd.com/read/28381752/isolated-pituitary-stalk-relapse-of-primary-penile-lymphoma
#13
Yasuhiro Tanaka, Atsushi Tanaka, Akiko Hashimoto, Isaku Shinzato
A 76-year-old Japanese man was admitted to our hospital because of the occurrence of multiple nodules on the shaft of his penis. He was diagnosed with diffuse large B cell lymphoma (DLBCL). His lymphoma was located only in his penis. He received immunochemotherapy and involved-field radiotherapy, and achieved complete response (CR). About two years later, he complained of a poor appetite. Magnetic resonance imaging showed a mass lesion in the pituitary stalk. Biopsy of this mass revealed the recurrence of DLBCL...
2017: Internal Medicine
https://www.readbyqxmd.com/read/28374971/a-large-single-center-real-world-study-of-clinicopathological-characteristics-and-treatment-in-advanced-alk-positive-non-small-cell-lung-cancer
#14
Gang Chen, Xi Chen, Yaxiong Zhang, Fang Yan, Wenfeng Fang, Yunpeng Yang, Shaodong Hong, Siyu Miao, Manli Wu, Xiaodan Huang, Youli Luo, Cong Zhou, Run Gong, Yan Huang, Ningning Zhou, Hongyun Zhao, Li Zhang
Crizotinib has achieved astonishing success in advanced non-small-cell lung cancer (NSCLC) patients harboring anaplastic lymphoma kinase (ALK) rearrangement. However, no real-world studies described the clinicopathological characteristics and treatment of such patients in China. Patients were consecutively collected from Sun Yat-sen University Cancer Center. Chi-square test was applied to explore the relationship between ALK fusion status and metastasis sites. Kaplan-Meier methods and multivariable analyses were used to estimate progression-free survival (PFS)...
April 4, 2017: Cancer Medicine
https://www.readbyqxmd.com/read/28369839/high-dose-chemotherapy-with-thiotepa-busulfan-and-cyclophosphamide-and-autologous-stem-cell-transplantation-for-patients-with-primary-central-nervous-system-lymphoma-in-first-complete-remission
#15
Zachariah DeFilipp, Shuli Li, Areej El-Jawahri, Philippe Armand, Lakshmi Nayak, Nancy Wang, Tracy T Batchelor, Yi-Bin Chen
BACKGROUND: High-dose chemotherapy and autologous stem cell transplantation (HDC-ASCT) is a therapeutic option for patients with primary central nervous system lymphoma (PCNSL). To the authors' knowledge, data are limited regarding its use among patients in first complete remission (CR1) with the CNS-directed conditioning regimen of thiotepa, busulfan, and cyclophosphamide (TBC). METHODS: A retrospective analysis of patients with PCNSL in CR1 who underwent transplantation using a TBC-based conditioning regimen at 2 academic institutions was performed...
April 3, 2017: Cancer
https://www.readbyqxmd.com/read/28369553/ceritinib-in-patients-with-advanced-crizotinib-treated-anaplastic-lymphoma-kinase-rearranged-nsclc-japanese-subset
#16
Toyoaki Hida, Miyako Satouchi, Kazuhiko Nakagawa, Takashi Seto, Shingo Matsumoto, Katsuyuki Kiura, Hiroshi Nokihara, Haruyasu Murakami, Kota Tokushige, Ben Hatano, Makoto Nishio
Introduction: Anaplastic lymphoma kinase (ALK)-rearranged non-small cell lung cancer is sensitive to tyrosine kinase inhibitors; however, resistance can develop. Data are presented from the phase II trial (ASCEND-2) evaluating efficacy and safety in a subset of Japanese patients with ALK-rearranged non-small cell lung cancer previously treated with platinum-based chemotherapy, who experienced disease progression on crizotinib. Methods: Patients with advanced ALK-rearranged non-small cell lung cancer, including those with asymptomatic or neurologically stable baseline brain metastases, received oral ceritinib 750 mg/day...
March 28, 2017: Japanese Journal of Clinical Oncology
https://www.readbyqxmd.com/read/28363832/primary-cns-lymphomas-of-the-brain-a-retrospective-analysis-in-a-single-institute
#17
Tzu-Kang Lin, Tu-Hsueh Yeh, Peng-Wei Hsu, Chih-Cheng Chuang, Po-Hsun Tu, Pin-Yuang Chen, Shih-Ming Jung, Kuo-Chen Wei, Yin-Cheng Huang
Primary CNS lymphomas (PCNSL) are relatively rare brain tumors. Their accurate diagnosis is mainly by surgical biopsy. In addition to surgical biopsy/decompression, treatment options include high dose methotrexate/chemotherapy and radiation therapy and stem cell therapy. Due to the rarity of this disease, guidelines for PCNSL diagnosis and treatment usually form from a large series of experiences. As a tertiary referral center, we retrospectively reviewed 79 patients during a 13-year period. All patients with PCNSL underwent surgical procedures/bone marrow biopsy procedures, and diagnoses were confirmed by hematologists/neuropathologists...
March 28, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28362236/nonenhancing-peritumoral-hyperintense-lesion-on-diffusion-weighted-imaging-in-glioblastoma-a-novel-diagnostic-and-specific-prognostic-indicator
#18
Manish Kolakshyapati, Rupendra B Adhikari, Vega Karlowee, Takeshi Takayasu, Ryo Nosaka, Vishwa J Amatya, Yukio Takeshima, Yuji Akiyama, Kazuhiko Sugiyama, Kaoru Kurisu, Fumiyuki Yamasaki
OBJECTIVE Glioblastoma differentials include intracranial tumors, like malignant lymphomas and metastatic brain tumors with indiscernible radiological characteristics. The purpose of this study was to identify a distinct radiological feature for the preoperative differentiation of glioblastoma from its differentials, which include malignant lymphomas and metastatic brain tumors. METHODS Preoperative MR images, including diffusion-weighted imaging (DWI) studies (b = 1000 and 4000 sec/mm(2)), obtained in patients with newly diagnosed malignant tumor, were analyzed retrospectively after receiving approval from the institutional review board...
March 31, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28360521/rapamycin-modulated-brain-derived-neurotrophic-factor-and-b-cell-lymphoma-2-to-mitigate-autism-spectrum-disorder-in-rats
#19
Jie Zhang, Li-Ming Liu, Jin-Feng Ni
The number of children suffered from autism spectrum disorder (ASD) is increasing dramatically. However, the etiology of ASD is not well known. This study employed mammalian target of rapamycin inhibitor rapamycin to explore its effect on ASD and provided new therapeutic strategies for ASD. ASD rat model was constructed and valproic acid (VPA) was injected intraperitoneally into rats on pregnancy day 12.5. Offspring from VPA group were divided into ASD group and ASD + rapamycin (ASD + RAPA) group. Compared with normal group, the frequency and duration of social behavior and straight times of ASD group were shortened, but the grooming times were extended...
2017: Neuropsychiatric Disease and Treatment
https://www.readbyqxmd.com/read/28352309/asiaticoside-ameliorates-%C3%AE-amyloid-induced-learning-and-memory-deficits-in-rats-by-inhibiting-mitochondrial-apoptosis-and-reducing-inflammatory-factors
#20
Zhuo Zhang, Xiaobin Li, Duo Li, Mao Luo, Yongjie Li, Li Song, Xian Jiang
The present study aimed to investigate the effects of asiaticoside (AS) on the pathology and associated mechanisms of β-amyloid (Aβ)-induced Alzheimer's disease (AD) in rats. An AD rat model was established by lateral intracerebroventricular injection of Aβ 1-42 oligomers. Learning and memory function were evaluated by Morris water maze (MWM) test. In addition, hematoxylin and eosin (H&E) staining, transmission electron microscopy (TEM), immunohistochemistry, ELISA and western blot analysis were performed to evaluate the disease pathogenesis...
February 2017: Experimental and Therapeutic Medicine
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