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https://www.readbyqxmd.com/read/28428107/clinicopathologic-factors-associated-with-survival-in-patients-with-breast-cancer-brain-metastasis
#1
Rong Li, Kui Zhang, Gene P Siegal, Shi Wei
Brain metastasis from breast cancer generally represents a catastrophic event yet demonstrates substantial biological heterogeneity. There have been limited studies solely focusing on the prognosis of patients with such metastasis. In this study, we carried out a comprehensive analysis in 108 consecutive patients with breast cancer brain metastases between 1997 and 2012 to further define clinicopathologic factors associated with early onset of brain metastasis and survival outcomes after development of them...
April 17, 2017: Human Pathology
https://www.readbyqxmd.com/read/28427196/breast-cancer-subtypes-predict-the-preferential-site-of-distant-metastases-a-seer-based-study
#2
Qi Wu, Juanjuan Li, Shan Zhu, Juan Wu, Chuang Chen, Qian Liu, Wen Wei, Yimin Zhang, Shengrong Sun
BACKGROUND AND AIMS: This study aimed to access possible relationships between breast cancer subtypes and sites of distant metastasis in breast cancer. RESULTS: A total of 243,896 patients, including 226,451 cases in control groups were identified. Bone metastasis was found in 8848 cases, compared with 1,000 brain metastasis cases, 3434 liver metastasis cases and 4167 lung metastasis cases. Patients with all subtypes were most prone to bone metastases, the incidence of bone metastasis in HR+/HER2+ subtype was up to 5...
March 2, 2017: Oncotarget
https://www.readbyqxmd.com/read/28421464/a-novel-tp53-mutation-associated-with-twist1-and-sip1-expression-in-an-aggressive-adrenocortical-carcinoma
#3
Daniel Bulzico, Davi Coe Torres, Gerson Moura Ferreira, Bruno Ricardo Barreto Pires, Paulo Antônio Silvestre de Faria, Rocio Hassan, Eliana Abdelhay, Mario Vaisman, Leonardo Vieira Neto
Adrenocortical carcinomas (ACC) are very rare tumors related to TP53 mutations mostly in childhood onset cases. Epithelial-mesenchymal transition (EMT) transcription factors TWIST1 and Smad interacting protein 1 (SIP1) are related to poorer outcomes in other malignancies, but their role in ACC is unknown. We describe a case of an advanced metastatic ACC (Weiss-score of 9) in a patient at age 76. After primary tumor resection, mitotane therapy was started as palliation to low-volume liver metastasis. After a 2-year period of stable disease, the patient died due to brain metastasis...
April 18, 2017: Endocrine Pathology
https://www.readbyqxmd.com/read/28419645/diagnostic-performance-of-different-imaging-modalities-in-the-assessment-of-distant-metastasis-and-local-recurrence-of-tumor-in-patients-with-non-small-cell-lung-cancer
#4
Yoshiharu Ohno, Takeshi Yoshikawa, Yuji Kishida, Shinichiro Seki, Hisanobu Koyama, Masao Yui, Yoshimori Kassai, Kota Aoyagi, Shigeo Kaminaga, Kazuro Sugimura
PURPOSE: To compare the diagnostic performance of positron emission tomography with [18F] fluoro-2-deoxy-glucose (FDG-PET) coregistered with magnetic resonance imaging (FDG-PET/MRI), MRI with and without diffusion-weighted imaging (DWI), FDG-PET fused with computed tomography (FDG-PET/CT) with brain contrast-enhanced (CE-) MRI, and routine radiological examination for assessment of postoperative recurrence in nonsmall-cell lung cancer (NSCLC) patients. MATERIALS AND METHODS: 96 consecutive postoperative NSCLC patients (52 men, 44 women; mean age 72 years) prospectively underwent whole-body 3T MRI with and without DWI; PET/CTs and routine radiological examinations consisted of CE-brain MRI, whole-body CE-CT, and bone scintigraphy...
April 17, 2017: Journal of Magnetic Resonance Imaging: JMRI
https://www.readbyqxmd.com/read/28417311/immune-checkpoint-inhibitors-for-brain-metastases
#5
REVIEW
Aaron C Tan, Amy B Heimberger, Alexander M Menzies, Nick Pavlakis, Mustafa Khasraw
PURPOSE OF REVIEW: Metastasis of cancer to the brain typically portends a poor prognosis and often results in significant morbidity, including from the side effects of treatment. More effective therapies for patients with brain metastases are needed. The current treatment paradigm uses multiple modalities, including surgery, radiation, and in some contexts, systemic chemotherapy and immunotherapy. Immune checkpoint inhibitors are increasingly being used to treat extracranial disease, and their effectiveness in the management of brain metastases needs to be understood...
June 2017: Current Oncology Reports
https://www.readbyqxmd.com/read/28416738/differential-expression-of-folate-receptor-1-in-medulloblastoma-and-the-correlation-with-clinicopathological-characters-and-target-therapeutic-potential
#6
Hailong Liu, Qianwen Sun, Mingshan Zhang, Zhihua Zhang, Xinyi Fan, Hongyu Yuan, Cheng Li, Yuduo Guo, Weihai Ning, Youliang Sun, Yongmei Song, Chunjiang Yu
Medulloblastoma is the most common malignant brain tumor in children. Folate receptor 1 (Folr1) was abundantly expressed in some epithelial malignancies. However the expression profile and the role of clinicopathological significance and therapeutic target potential in medulloblastoma still remain elusive. Currently we detected the expression of Folr1 in medulloblastoma and identified the diagnostic application by evaluating the clinical, pathological and neuroimaging values. Then we developed a target therapeutic compound with Folr1, which exhibited promising efficiency in treatment of medulloblastoma...
April 4, 2017: Oncotarget
https://www.readbyqxmd.com/read/28415693/ccr4-is-a-determinant-of-melanoma-brain-metastasis
#7
Anat Klein, Orit Sagi-Assif, Tsipi Meshel, Alona Telerman, Sivan Izraely, Shlomit Ben-Menachem, Jagadeesh Bayry, Diego M Marzese, Shuichi Ohe, Dave S B Hoon, Neta Erez, Isaac P Witz
We previously identified the chemokine receptor CCR4 as part of the molecular signature of melanoma brain metastasis. The aim of this study was to determine the functional significance of CCR4 in melanoma brain metastasis. We show that CCR4 is more highly expressed by brain metastasizing melanoma cells than by local cutaneous cells from the same melanoma. Moreover, we found that the expression of CCR4 is significantly higher in paired clinical specimens of melanoma metastases than in samples of primary tumors from the same patients...
March 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/28415059/-a-case-of-slowly-progressive-brain-metastasis-with-minor-bleeding-after-removal-of-and-chemotherapy-for-non-small-cell-lung-cancer
#8
Hiroshi Matsufuji, Eri Shiozaki, Yasutaka Nakatake, Koichi Yoshida, Kensaku Kamada, Takayuki Matsuo
Of all brain metastases, the most common primary lesion is derived from the lung. These types of metastases enlarge aggressively with unfavorable prognoses. We report the case of a 75-year-old male patient who had a history of pulmonary resection for Stage IA non-small cell lung cancer(NSCLC), and received chemotherapy. One year after NSCLC surgery, he experienced a cardiogenic cerebral infarction, and anticoagulant therapy was initiated. Mass lesions with hemorrhage were detected bilaterally in the frontal lobes through magnetic resonance imaging three years after the NSCLC surgery...
April 2017: No Shinkei Geka. Neurological Surgery
https://www.readbyqxmd.com/read/28414668/autoimmune-diabetes-presented-with-diabetic-ketoacidosis-induced-by-immunotherapy-in-an-adult-with-melanoma
#9
A A Alzenaidi, J Dendy, L Rejjal
INTRODUCTION: Immunotherapy has been approved for treatment of melanoma. Autoimmune endocrinopathies have been reported in trials involving immunotherapy but autoimmune diabetes has not been definitively linked to them. Here we describe a case of autoimmune diabetes presenting with DKA after receiving combined immunotherapy with anti-CTLA4 and anti-PD1 monoclonal antibodies. CASE: A 47year old gentleman with metastatic melanoma presented to our institution with confusion, abdominal pain and decreased oral intake...
March 2017: Journal of the Louisiana State Medical Society: Official Organ of the Louisiana State Medical Society
https://www.readbyqxmd.com/read/28413797/a-rare-case-of-brain-metastasis-in-a-patient-with-osteosarcoma
#10
Dinesh Chandra Doval, Mithun Chacko, Rupal Sinha, Kumardeep Dutta Choudhury, Ajay Sharma, Avinash Rao, R S Jaggi, Anurag Mehta
No abstract text is available yet for this article.
January 2017: South Asian Journal of Cancer
https://www.readbyqxmd.com/read/28413551/alveolar-soft-part-sarcoma-with-brain-metastases
#11
Vinodh Vayara Perumall, Rahmat Harun, Pulivendhan Sellamuthu, Mohd Shariman Md Shah
Metastatic tumors are the most common mass lesions in the brain. This case reports a rare form of sarcoma with metastasis to the brain. The appropriate management of a patient with metastatic alveolar soft part sarcoma to the brain is discussed. Author describes a 32-year-old gentleman diagnosed with primary tumor at gluteus and distant metastases at lower lobe of right lung and the brain. Histopathology proves diagnosis as alveolar soft part sarcoma. Craniotomy with excision of brain lesion was done. Repeated magnetic resonance imaging of the brain after 2 months showed rapidly growing new lesions...
January 2017: Asian Journal of Neurosurgery
https://www.readbyqxmd.com/read/28413461/long-noncoding-rna-malat1-inhibits-apoptosis-induced-by-oxygen-glucose-deprivation-and-reoxygenation-in-human-brain-microvascular-endothelial-cells
#12
Jia-Wei Xin, Yu-Gang Jiang
Cerebral ischemia/reperfusion (I/R) injury leads to brain vascular dysfunction, which is characterized by endothelial cell injury or death. Long noncoding (lnc) RNA metastasis-associated lung adenocarcinoma transcript 1 (MALAT1) is reportedly associated with endothelial cell functions and dysfunctions. In the present study, the role of MALAT1 in I/R-induced cerebral vascular endothelial cell apoptosis was explored using oxygen-glucose deprivation and reoxygenation (OGD-R) as an in vitro I/R injury model. Primary human brain microvascular endothelial cells were cultured under OGD-R, and the expression levels of MALAT1 and cell apoptosis were measured at 6, 9, 12, 24 and 36 h post-reoxygenation...
April 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28413381/delayed-cytoreductive-nephrectomy-following-three-years-of-targeted-therapy-for-metastatic-renal-cell-carcinoma
#13
Ariel Schulman, Mathew Fakhoury, Jean P Wuilleumier, Kevin Becker, Bernadine Donahue, Ruoqing Huang, James Butler, Howard Goodman, Ervin Teper, David Silver
We present a 55-year-old male, with good performance status who was diagnosed with a case of metastatic renal cell carcinoma following a pathologic femur fracture. Despite good performance status, multifocal metastases and poor-prognostic features portended a grim prognosis with predicted overall survival of less than nine months. On initial presentation, he was excluded from cytoreductive nephrectomy based on brain metastasis and interleukin-2 was not pursued as the primary tumor was to be left in situ. The patient was reconsidered for cytoreductive nephrectomy after sustained response to fifth line targeted therapies with shrinkage of tumor burden...
January 2017: Current Urology
https://www.readbyqxmd.com/read/28410147/the-roles-of-microglia-macrophages-in-tumor-progression-of-brain-cancer-and-metastatic-disease
#14
Shih-Ying Wu, Kounosuke Watabe
Malignant brain tumors and brain metastases are highly aggressive diseases that are often resistant to treatment. Consequently, the current prognosis of patients with brain tumors and metastases is dismal. Activated microglia and macrophages are often observed in close proximity to or within the malignant tumor masses, suggesting that microglia/macrophages play an important role in brain tumor progression. Microglia, being resident macrophages of the central nervous system, form a major component of the brain immune system...
June 1, 2017: Frontiers in Bioscience (Landmark Edition)
https://www.readbyqxmd.com/read/28409855/the-mobility-of-mitochondria-intercellular-trafficking-in-health-and-disease
#15
Michael V Berridge, Jiri Neuzil
The view that genes are constrained within somatic cells is challenged by in vitro evidence, and more recently by in vivo studies which demonstrate that mitochondria with their mitochondrial DNA (mtDNA) payload not only can, but do move between cells in tumour models and in mouse models of tissue damage. Using mouse tumour cell models without mtDNA to reflect mtDNA damage, we have shown that these cells grow tumours only after acquiring mtDNA from cells in the local microenvironment resulting in respiration recovery, tumorigenesis and metastasis...
April 13, 2017: Clinical and Experimental Pharmacology & Physiology
https://www.readbyqxmd.com/read/28409338/fluorine-18-labeling-of-the-her2-targeting-single-domain-antibody-2rs15d-using-a-residualizing-label-and-preclinical-evaluation
#16
Zhengyuan Zhou, Ganesan Vaidyanathan, Darryl McDougald, Choong Mo Kang, Irina Balyasnikova, Nick Devoogdt, Angeline N Ta, Brian R McNaughton, Michael R Zalutsky
PURPOSE: Our previous studies with F-18-labeled anti-HER2 single-domain antibodies (sdAbs) utilized 5F7, which binds to the same epitope on HER2 as trastuzumab, complicating its use for positron emission tomography (PET) imaging of patients undergoing trastuzumab therapy. On the other hand, sdAb 2Rs15d binds to a different epitope on HER2 and thus might be a preferable vector for imaging in these patients. The aim of this study was to evaluate the tumor targeting of F-18 -labeled 2Rs15d in HER2-expressing breast carcinoma cells and xenografts...
April 13, 2017: Molecular Imaging and Biology: MIB: the Official Publication of the Academy of Molecular Imaging
https://www.readbyqxmd.com/read/28408492/cd81-as-a-tumor-target
#17
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/28408326/emp1-emp-2-and-emp3-as-novel-therapeutic-targets-in-human-cancer
#18
REVIEW
Wang Yi-Wen, Cheng Hong-Ling, Ding Ya-Rou, Chou Lien-Hsuan, Chow Nan-Haw
The epithelial membrane protein genes 1, 2, and 3 (EMP1, EMP2, and EMP3) belong to the peripheral myelin protein 22-kDa (PMP22) gene family, which consists of at least seven members: PMP22, EMP1, EMP2, EMP3, PERP, brain cell membrane protein 1, and MP20. This review addresses the structural and functional features of EMPs, detailing their tissue distribution and functions in the human body, their expression pattern in a variety of tumors, and highlighting the underlying mechanisms involved in carcinogenesis...
April 10, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28405533/scalp-seeding-post-craniotomy-and-radiosurgery-for-solitary-brain-metastasis-a-case-report-and-systematic-review
#19
Waseem Sharieff, Liam Mulroy, Adrienne Weeks, Samina Mansoor, Rajbir Pahil, Muhammad U Islam
BACKGROUND  : Radiosurgery is being increasingly used post craniotomy for brain metastasis, instead of whole-brain radiation. We report a case of scalp metastasis following craniotomy and radiosurgery, along with a systematic review of the literature. METHODS        : Our patient was a 70-year-old male who presented with a scalp metastasis, two years after craniotomy and radiosurgery, for a solitary brain metastasis from esophageal carcinoma. Using Medline® (United States National Library of Medicine, Bethesda, MD), we performed a systematic review of the literature to identify cases of isolated scalp metastases following craniotomy for brain lesions...
March 7, 2017: Curēus
https://www.readbyqxmd.com/read/28401684/the-effects-of-smoking-status-and-smoking-history-on-patients-with-brain-metastases-from-lung-cancer
#20
Rachel F Shenker, Emory R McTyre, Jimmy Ruiz, Kathryn E Weaver, Christina Cramer, Natalie K Alphonse-Sullivan, Michael Farris, William J Petty, Marcelo R Bonomi, Kounosuke Watabe, Adrian W Laxton, Stephen B Tatter, Graham W Warren, Michael D Chan
There is limited data on the effects of smoking on lung cancer patients with brain metastases. This single institution retrospective study of patients with brain metastases from lung cancer who received stereotactic radiosurgery assessed whether smoking history is associated with overall survival, local control, rate of new brain metastases (brain metastasis velocity), and likelihood of neurologic death after brain metastases. Patients were stratified by adenocarcinoma versus nonadenocarcinoma histologies. Kaplan-Meier analysis was performed for survival endpoints...
April 12, 2017: Cancer Medicine
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