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https://www.readbyqxmd.com/read/27912831/systemic-treatment-of-brain-metastases
#1
REVIEW
Saiama N Waqar, Daniel Morgensztern, Ramaswamy Govindan
Lung cancer continues to be the leading cause of cancer-related mortality in the United States. Brain metastases are a significant problem in patients with lung cancer and have conventionally been treated with whole-brain radiation. This article reviews the data for systemic chemotherapy to treat brain metastasis from lung cancer and examines the activity of small molecule tyrosine kinase inhibitors for the targeted therapy for brain metastases from EGFR-mutant and ALK-rearranged non-small cell lung cancer...
February 2017: Hematology/oncology Clinics of North America
https://www.readbyqxmd.com/read/27911235/robustness-of-the-neurological-prognostic-score-in-brain-metastasis-patients-treated-with-gamma-knife-radiosurgery
#2
Toru Serizawa, Yoshinori Higuchi, Osamu Nagano, Shinji Matsuda, Kyoko Aoyagi, Junichi Ono, Naokatsu Saeki, Yasuo Iwadate, Tatsuo Hirai, Shinya Takemoto, Yuta Shibamoto
OBJECTIVE The neurological prognostic score (NPS) was recently proposed as a means for predicting neurological outcomes, such as the preservation of neurological function and the prevention of neurological death, in brain metastasis patients treated with Gamma Knife radiosurgery (GKRS). NPS consists of 2 groups: Group A patients were expected to have better neurological outcomes, and Group B patients were expected to have poorer outcomes. NPS robustness was tested in various situations. METHODS In total, 3040 patients with brain metastases that were treated with GKRS were analyzed...
December 2, 2016: Journal of Neurosurgery
https://www.readbyqxmd.com/read/27911233/elevated-preoperative-neutrophil-to-lymphocyte-ratio-as-a-predictor-of-worse-survival-after-resection-in-patients-with-brain-metastasis
#3
Koichi Mitsuya, Yoko Nakasu, Takeshi Kurakane, Nakamasa Hayashi, Hideyuki Harada, Kazuhiko Nozaki
OBJECTIVE The median postoperative survival duration of patients with brain metastases who undergo tumor resection is 12 months. Most of these patients die of systemic metastases or the progression of primary cancer but not brain metastases. The criteria for indicating resection are still controversial. Systemic assessment is restricted, especially in patients who need emergent management for their large-size or life-threatening brain metastases. The neutrophil-to-lymphocyte ratio (NLR) is reported to correlate with survival time or progression-free survival in patients with various cancers...
December 2, 2016: Journal of Neurosurgery
https://www.readbyqxmd.com/read/27905289/cerebral-alveolar-echinococcosis-concomitant-with-liver-and-lung-lesions-in-a-young-adult-patient-case-report-and-literature-review
#4
Osman Ersegun Batçık, Ahmet Öğrenci, Orkun Koban, Murat Şakir Ekşi, Turgay Bilge
We present the case of a 25-year-old male harboring multiple brain lesions mimicking tumor metastasis that were revealed to be caused by Echinococcus multilocularis. Cerebral echinococcosis with multiple lesions is rare and might be confused with a brain abscess, tuberculoma, or metastatic tumor disease. Brain magnetic resonance imaging and serological studies are helpful in the differential diagnosis. In case of E. multilocularis, cerebral invasion is the late stage of the disease that necessitates an aggressive treatment protocol...
September 2016: Türkiye Parazitolojii Dergisi
https://www.readbyqxmd.com/read/27904771/tumor-suppressive-function-of-long-noncoding-rna-malat1-in-glioma-cells-by-suppressing-mir-155-expression-and-activating-fbxw7-function
#5
Shuanzhu Cao, Yanzhou Wang, Jinquan Li, Mingliang Lv, Haitao Niu, Yong Tian
The human metastasis associated lung adenocarcinoma transcript 1 (MALAT1) is a long non-coding RNA associated with metastasis, and is a favorable prognostic factor for lung cancer. Recent studies have shown that MALAT1 plays an important role in many malignancies. However, little is known about the role of MALAT1 in glioma. In this study, we determined the expression of MALAT1 and explored its prognostic value in glioma. Further, we investigated the regulatory mechanism of MALAT1 in glioma progression. Our results showed that the expression of MALAT1 was significantly decreased in glioma specimens than in noncancerous brain tissues...
2016: American Journal of Cancer Research
https://www.readbyqxmd.com/read/27903215/identification-of-novel-agents-for-the-treatment-of-brain-metastases-of-breast-cancer
#6
Vinay Kumar Venishetty, Werner J Geldenhuys, Tori B Terell-Hall, Jessica I G Griffith, Gregory R Sondag, Fayez F Safadi, Paul R Lockman
BACKGROUND: Brain cancer from metastasized breast cancer has a high mortality rate in women. The treatment of lesions is hampered in large part by the blood-brain barrier (BBB), which prevents adequate distribution of anti-cancer compounds to brain metastases. METHOD: In this study we used a novel screening method to identify candidate molecules that are well-suited to utilizing the BBB choline transporter for distribution into the brain parenchyma. RESULTS: From our screen we identified two compounds, Ch-1 and Ch-2 that were able to reduce the brain tumor burden in a murine mouse model of brain metastasis of breast cancer...
November 21, 2016: Current Cancer Drug Targets
https://www.readbyqxmd.com/read/27903191/cost-effectiveness-of-stereotactic-radiosurgery-versus-whole-brain-radiation-therapy-for-up-to-10-brain-metastases
#7
Nataniel H Lester-Coll, Arie P Dosoretz, William J Magnuson, Maxwell S Laurans, Veronica L Chiang, James B Yu
OBJECTIVE The JLGK0901 study found that stereotactic radiosurgery (SRS) is a safe and effective treatment option for treating up to 10 brain metastases. The purpose of this study is to determine the cost-effectiveness of treating up to 10 brain metastases with SRS, whole-brain radiation therapy (WBRT), or SRS and immediate WBRT (SRS+WBRT). METHODS A Markov model was developed to evaluate the cost effectiveness of SRS, WBRT, and SRS+WBRT in patients with 1 or 2-10 brain metastases. Transition probabilities were derived from the JLGK0901 study and modified according to the recurrence rates observed in the Radiation Therapy Oncology Group (RTOG) 9508 and European Organization for Research and Treatment of Cancer (EORTC) 22952-26001 studies to simulate the outcomes for patients who receive WBRT...
December 2016: Journal of Neurosurgery
https://www.readbyqxmd.com/read/27903179/gamma-knife-radiosurgery-for-brain-metastases-from-pulmonary-large-cell-neuroendocrine-carcinoma-a-japanese-multi-institutional-cooperative-study-jlgk1401
#8
Takuya Kawabe, Masaaki Yamamoto, Yasunori Sato, Shoji Yomo, Takeshi Kondoh, Osamu Nagano, Toru Serizawa, Takahiko Tsugawa, Hisayo Okamoto, Atsuya Akabane, Kazuyasu Aita, Manabu Sato, Hidefumi Jokura, Jun Kawagishi, Takashi Shuto, Hideya Kawai, Akihito Moriki, Hiroyuki Kenai, Yoshiyasu Iwai, Masazumi Gondo, Toshinori Hasegawa, Soichiro Yasuda, Yasuhiro Kikuchi, Yasushi Nagatomo, Shinya Watanabe, Naoya Hashimoto
OBJECTIVE In 1999, the World Health Organization categorized large cell neuroendocrine carcinoma (LCNEC) of the lung as a variant of large cell carcinoma, and LCNEC now accounts for 3% of all lung cancers. Although LCNEC is categorized among the non-small cell lung cancers, its biological behavior has recently been suggested to be very similar to that of a small cell pulmonary malignancy. The clinical outcome for patients with LCNEC is generally poor, and the optimal treatment for this malignancy has not yet been established...
December 2016: Journal of Neurosurgery
https://www.readbyqxmd.com/read/27903177/follow-up-results-of-brain-metastasis-patients-undergoing-repeat-gamma-knife-radiosurgery
#9
Takao Koiso, Masaaki Yamamoto, Takuya Kawabe, Shinya Watanabe, Yasunori Sato, Yoshinori Higuchi, Tetsuya Yamamoto, Akira Matsumura, Hidetoshi Kasuya
OBJECTIVE Stereotactic radiosurgery (SRS) without upfront whole-brain radiotherapy (WBRT) has influenced recent treatment recommendations for brain metastasis patients. However, in brain metastasis patients who undergo SRS alone, new brain metastases inevitably appear with relatively high incidences during post-SRS follow-up. However, little is known about the second SRS results. The treatment results of second SRS were retrospectively reviewed, mainly for newly developed or, uncommonly, for recurrent brain metastases in order to reappraise the efficacy of this treatment strategy with a special focus on the maintenance of neurological status and safety...
December 2016: Journal of Neurosurgery
https://www.readbyqxmd.com/read/27902972/unravelling-site-specific-breast-cancer-metastasis-a-microrna-expression-profiling-study
#10
Willemijne A M E Schrijver, Paul J van Diest, Dutch Distant Breast Cancer Metastases Consortium, Cathy B Moelans
Distant metastasis is still the main cause of death from breast cancer. MicroRNAs (miRs) are important regulators of many physiological and pathological processes, including metastasis. Molecular breast cancer subtypes are known to show a site-specific pattern of metastases formation. In this study, we set out to determine the underlying molecular mechanisms of site-specific breast cancer metastasis by microRNA expression profiling.To identify a miR signature for metastatic breast carcinoma that could predict metastatic localization, we compared global miR expression in 23 primary breast cancer specimens with their corresponding multiple distant metastases to ovary (n=9), skin (n=12), lung (n=10), brain (n=4) and gastrointestinal tract (n=10) by miRCURY microRNA expression arrays...
November 25, 2016: Oncotarget
https://www.readbyqxmd.com/read/27902969/rac1-gtp-ase-signals-wnt-beta-catenin-pathway-mediated-integrin-directed-metastasis-associated-tumor-cell-phenotypes-in-triple-negative-breast-cancers
#11
Pradip De, Jennifer H Carlson, Tyler Jepperson, Scooter Willis, Brian Leyland-Jones, Nandini Dey
The acquisition of integrin-directed metastasis-associated (ID-MA) phenotypes by Triple-Negative Breast Cancer (TNBC) cells is caused by an upregulation of the Wnt-beta-catenin pathway (WP). We reported that WP is one of the salient genetic features of TNBC. RAC-GTPases, small G-proteins which transduce signals from cell surface proteins including integrins, have been implicated in tumorigenesis and metastasis by their role in essential cellular functions like motility. The collective percentage of alteration(s) in RAC1 in ER+ve BC was lower as compared to ER-ve BC (35% vs 57%) (brca/tcga/pub2015)...
November 25, 2016: Oncotarget
https://www.readbyqxmd.com/read/27900644/elevated-levels-of-p-mnk1-p-eif4e-and-p-p70s6k-proteins-are-associated-with-tumor-recurrence-and-poor-prognosis-in-astrocytomas
#12
Weibing Fan, Weiyuan Wang, Xinfa Mao, Shuzhou Chu, Juan Feng, Desheng Xiao, Jianhua Zhou, Songqing Fan
Malignant astrocytomas are able to invade neighboring and distant areas of the normal brain. Signaling pathway alterations play important role in the development of astrocytomas. Deregulation of eukaryotic translation initiation factor 4E (eIF4E) by MAP kinase-interacting kinases (Mnk) on Ser-209 directly or PI3K/mTOR/S6K pathway indirectly has a critical effect on promoting cellular proliferation, malignant transformation and metastasis. We examined and analyzed the correlation between expression of p-Mnk1, p-eIF4E and p-p70S6K proteins and clinicopathological features in 103 astrocytomas and 54 non-tumorous brain tissues...
November 29, 2016: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/27900108/high-dose-chemotherapy-with-autologous-peripheral-blood-stem-cell-transplantation-for-choriocarcinoma-a-case-report-and-literature-review
#13
Eiko Yamamoto, Kaoru Niimi, Kayo Fujikake, Tetsuya Nishida, Makoto Murata, Ayako Mitsuma, Yuichi Ando, Fumitaka Kikkawa
Choriocarcinoma is a malignant gestational trophoblastic neoplasia (GTN) and one of the curable types of gynecological cancer. However, 10% of choriocarcinoma patients have a poor prognosis, particularly when they have metastasis, apart from pulmonary metastasis, or do not go into remission by the second chemotherapeutic regimen. We herein present the case of a 36-year-old patient who had choriocarcinoma with metastases to the lungs, liver and kidneys. The 5th and 6th regimens with cisplatin for choriocarcinoma failed and the patient developed brain metastases...
November 2016: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/27899786/-a-case-of-an-abdominal-desmoplastic-small-round-cell-tumor-with-metastasis-in-the-medulla-oblongata
#14
Ayaka Azami, Yoshinao Takano, Michitaka Honda, Yukitoshi Todate, Takeshi Tada, Mitsuru Waragai, Daizo Fukushima, Nobuyasu Suzuki, Atai Sato, Tsuyoshi Abe, Yasushi Teranishi, Hideo Sakuma
A desmoplastic small round cell tumor(DSRCT)is a very rare malignant tumor that mainly occurs in the intra-abdominal cavity in young adults.This neoplasm has an extremely poor prognosis, with a clinical course characterized by rapid progression and metastasis.We present a 31-year-old man who presented with chief complaints of dysphagia, ataxic gait, and hoarseness.He first underwent surgical resection of a tumor in the medulla oblongata; however, the lesion was suspected to be a metastatic neoplasm.Following a thorough medical examination, the patient was diagnosed with retroperitoneal DSRCT with multiple metastatic lesions...
November 2016: Gan to Kagaku Ryoho. Cancer & Chemotherapy
https://www.readbyqxmd.com/read/27894403/conditioned-medium-from-neural-stem-cells-inhibits-glioma-cell-growth
#15
Z Li, Q Zhong, H Liu, P Liu, J Wu, D Ma, X Chen, X Yang
Malignant glioma is one of the most common brain tumors in the central nervous system. Although the significant progress has been made in recent years, the mortality is still high and 5-year survival rate is still very low. One of the leading causes to the high mortality for glioma patients is metastasis and invasion. An efficient method to control the tumor metastasis is a promising way to treat the glioma. Previous reports indicated that neural stem cells (NSCs) were served as a delivery vector to the anti-glioma therapy...
October 31, 2016: Cellular and Molecular Biology
https://www.readbyqxmd.com/read/27881015/predictors-of-survival-in-patients-with-brain-metastases-from-gastric-cancer
#16
D Rades, T Bartscht, S E Schild
This study aims to identify predictors of survival and contribute to treatment personalization in patients with brain metastases from gastric cancer. Twelve patients received whole-brain radiotherapy (WBRT), four stereotactic radiosurgery and six neurosurgery plus WBRT. Treatment regimen, age, gender, Eastern Cooperative Oncology Group (ECOG) performance score, tumor site, number of brain metastases, extra-cranial metastases and interval between cancer diagnosis and brain metastases were evaluated for survival...
November 24, 2016: Neoplasma
https://www.readbyqxmd.com/read/27878363/improvement-of-overall-survival-in-stage-iv-melanoma-patients-during-2011-2014-analysis-of-real-world-data-in-441-patients-of-the-german-central-malignant-melanoma-registry-cmmr
#17
Andrea Forschner, Felizitas Eichner, Teresa Amaral, Ulrike Keim, Claus Garbe, Thomas Kurt Eigentler
BACKGROUND: During 2011 and 2014, new treatment modalities like tyrosine kinase inhibitors and checkpoint inhibitors were introduced into the therapy of metastatic melanoma. This study addresses the question whether overall survival (OS) of metastatic melanoma patients has already been improved in 441 patients diagnosed with metastatic melanoma between 2011 and 2014 in the real-world setting at the University Hospital Tuebingen. METHODS: All patients were documented with their different therapies by the CMMR and followed up until March 2016...
November 22, 2016: Journal of Cancer Research and Clinical Oncology
https://www.readbyqxmd.com/read/27878304/upregulation-of-mek5-by-stat3-promotes-breast-cancer-cell-invasion-and-metastasis
#18
Fang Liu, Hao Zhang, Hui Song
Mitogen extracellular-signal-regulated kinase kinase 5 (MEK5) plays an important role in promoting cell proliferation and tumorigenesis. The aberrant expression of MEK5 has been reported in various malignant diseases including cancers of breast, prostate, lung, colorectal and brain. However, the function and regulation of MEK5 signaling pathway are ambiguous and remain elusive with respect to its oncogenic roles in various cancers, especially in the regulation of the initiation and progression of cancer invasion and metastasis...
November 18, 2016: Oncology Reports
https://www.readbyqxmd.com/read/27873078/advances-in-decoding-breast-cancer-brain-metastasis
#19
Chenyu Zhang, Dihua Yu
The past decade has witnessed impressive advances in cancer treatment ushered in by targeted and immunotherapies. However, with significantly prolonged survival, upon recurrence, more patients become inflicted by brain metastasis, which is mostly refractory to all currently available therapeutic regimens. Historically, brain metastasis is an understudied area in cancer research, partly due to the dearth of appropriate experimental models that closely simulate the special biological features of metastasis in the unique brain environment and to the sophistication of techniques required to perform in-depth studies of the extremely complex and challenging brain metastasis...
November 21, 2016: Cancer Metastasis Reviews
https://www.readbyqxmd.com/read/27868418/-fibromyalgia-syndrome-after-comprehensive-treatment-of-breast-cancer-a-case-report
#20
Xia Ding, Yan Li, Yiyi Cui, Yingying Shen, Jianzhong Gu, Yong Guo
Fibromyalgia syndrome after comprehensive treatment of breast cancer is rare and seldom reported. Here we present a case of a 50-year-old female patient,who was admitted to the hospital because of generalized fibromyalgia for 3 months and brain metastasis after the right breast carcinoma surgery for 1 month, and the clinical diagnosis was brain metastasis from breast carcinoma combined with fibromyalgia syndrome. The fibromyalgia were relieved with proper symptomatic treatment but the patient eventually died of tumor progression...
May 25, 2016: Zhejiang da Xue Xue Bao. Yi Xue Ban, Journal of Zhejiang University. Medical Sciences
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