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Cancer Biology & Medicine

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https://www.readbyqxmd.com/read/30197799/benefit-of-everolimus-as-a-monotherapy-for-a-refractory-breast-cancer-patient-bearing-multiple-genetic-mutations-in-the-pi3k-akt-mtor-signaling-pathway
#1
Yehui Shi, Wenwen Zhang, Yingnan Ye, Yanan Cheng, Lei Han, Pengpeng Liu, Weipeng Zhao, Zhongsheng Tong, Jinpu Yu
A postmenopausal patient with a diagnosis of estrogen receptor (ER) (+), progesterone receptor (PR) (+), and human epidermal growth factor receptor-2 (HER2) (-) breast cancer was reported. The patient refused surgery and was resistant to conventional chemotherapy regimens. Computed tomography and the circulating tumor cell test indicated that the patient's tumor burden increased rapidly even after several chemotherapy sessions. Multiple genetic aberrances in the phosphatidylinositol3-kinases (PI3K) signaling pathway were detected via next-generation sequencing (NGS)-based liquid biopsy, including a p...
August 2018: Cancer Biology & Medicine
https://www.readbyqxmd.com/read/30197798/extracranial-metastasis-of-anaplastic-oligoastrocytoma
#2
Zhuang Kang, Shoubo Yang, Hongmei Zhang, Quan Zhou, Jianxin Chen, Yan Li, Xun Kang, Shan Li, Wenbin Li
Extracranial metastasis (ECM) of glioma is a rare condition that occurs in the internal nervous axis. A 23-year-old woman presented with anaplastic oligoastrocytoma (WHO III) in a left temporal tumor. The patient received chemoradiotherapy after surgery in our center. Three years after treatment, the patient experienced multiple ECMs in the right lung, left iliac bone, and multiple swollen subcutaneous nodules including the right clavicle, back of the neck, left forearm, right upper arm, and right clavicle...
August 2018: Cancer Biology & Medicine
https://www.readbyqxmd.com/read/30197797/yttrium-90-transarterial-radioembolization-versus-conventional-transarterial-chemoembolization-for-patients-with-hepatocellular-carcinoma-a-systematic-review-and-meta-analysis
#3
Yi Yang, Tongguo Si
Objective: To compare the effects and safety of conventional transarterial chemoembolization (cTACE) and yttrium-90 transarterial radioembolization [TARE (90Y)] for hepatocellular carcinoma (HCC). Methods: Nine high-quality observational studies, one low bias-risk randomized controlled trial (RCT), and one moderate bias-risk RCT included 1,652 patients [cTACE, 1,124; TARE (90Y), 528], from whom data were extracted for this systematic review and meta-analysis. Results: The extracted study outcomes included 1-year and 2-year overall survival (OS) rates, objective responses (ORs), and serious adverse events (AEs)...
August 2018: Cancer Biology & Medicine
https://www.readbyqxmd.com/read/30197796/the-prognostic-value-of-programmed-cell-death-ligand-1-expression-in-non-hodgkin-lymphoma-a-meta-analysis
#4
Shu Zhao, Minghui Zhang, Yu Zhang, Hongxue Meng, Yan Wang, Yupeng Liu, Jing Jing, Lan Huang, Mengqi Sun, Yue Zhang, Qingyuan Zhang
Objective: Although the prognostic value of programmed cell death-ligand 1 (PD-L1) expression in non-Hodgkin lymphoma (NHL) has been evaluated in many studies, the results remain controversial. To investigate the prognostic role of PD-L1 expression and the association between PD-L1 expression and clinicopathological features of NHL, we performed a meta-analysis. Methods: The PubMed, EMBASE, and Cochrane Library databases were searched up to November 30, 2017. The hazard ratio (HR), 95% confidence interval (CI), and odds ratios (OR) with 95% CIs were combined to evaluate the association of PD-L1 expression with overall survival (OS) and clinicopathological features...
August 2018: Cancer Biology & Medicine
https://www.readbyqxmd.com/read/30197795/analysis-of-factors-related-to-non-sentinel-lymph-node-metastasis-in-296-sentinel-lymph-node-positive-chinese-breast-cancer-patients
#5
Amina Maimaitiaili, Di Wu, Zhenyu Liu, Haimeng Liu, Xiamusiye Muyiduli, Zhimin Fan
Objective: Axillary lymph node dissection (ALND) may be unnecessary in 20%-60% of breast cancer patients with sentinel lymph node (NSLN) metastasis. The aim of the present study was to review the medical records of Chinese patients with early-stage breast cancer and positive NSLN metastasis to identify clinicopathological characteristics as risk factors for non-NSLN metastasis. Methods: The medical records of 2008 early-stage breast cancer patients who received intraoperative sentinel lymph node biopsy (SLNB) between 2006 and 2016 were retrospectively reviewed...
August 2018: Cancer Biology & Medicine
https://www.readbyqxmd.com/read/30197794/coagulation-factor-vii-gene-polymorphisms-are-not-associated-with-the-occurrence-or-the-survival-of-hepatocellular-carcinoma-a-report-of-37-cases
#6
Chih-Che Lin, Chun-Hsien Wu, Li-Yu Chen, Ming-Chao Tsai, Ahmed M Elsarawy, Kuang-Tzu Huang
Objective: : Coagulation factor VII (FVII) triggers the extrinsic pathway of blood coagulation. In our previous study, we showed that FVII plays an important role in tumorigenesis of hepatocellular carcinoma (HCC). However, the role of FVII polymorphism in HCC is still unknown. The present study aimed to investigate the relationship between HCC carcinogenesis and single nucleotide polymorphism of FVII. Methods: : Thirty-seven HCC patients and 30 healthy donors were recruited in this study...
August 2018: Cancer Biology & Medicine
https://www.readbyqxmd.com/read/30197793/autophagic-flux-response-and-glioblastoma-sensitivity-to-radiation
#7
Achilleas G Mitrakas, Dimitra Kalamida, Alexandra Giatromanolaki, Stamatia Pouliliou, Avgi Tsolou, Rafail Kyranas, Michael I Koukourakis
Objective: Glioblastoma is the most common primary brain tumor in adults and one of the most lethal human tumors. It constitutes a unique non-metastasizing human tumor model with high resistance to radiotherapy and chemotherapy. The current study investigates the association between autophagic flux and glioblastoma cell resistance. Methods: The expression kinetics of autophagy- and lysosome-related proteins following exposure of two glioblastoma cell lines (T98 and U87) to clinically relevant radiation doses was examined...
August 2018: Cancer Biology & Medicine
https://www.readbyqxmd.com/read/30197792/increased-paracellular-permeability-of-tumor-adjacent-areas-in-1-2-dimethylhydrazine-induced-colon-carcinogenesis-in-rats
#8
Viktoria V Bekusova, Evgeny L Falchuk, Larisa S Okorokova, Natalia M Kruglova, Alexander D Nozdrachev, Alexander G Markov
Objective: The morphology and functions of the proximal and distal large intestine are not the same. The incidence of colorectal cancer in these regions is also different, as tumors more often appear in the descending colon than in the ascending colon. Inflammatory bowel disease and colorectal cancer can increase transepithelial permeability, which is a sign of reduced intestinal barrier function. However, there is not enough evidence to establish a connection between the difference in colorectal cancer incidence in the proximal and distal colon and intestinal permeability or the effects of carcinogenesis on the barrier properties in various areas of the colon...
August 2018: Cancer Biology & Medicine
https://www.readbyqxmd.com/read/30197791/lncrna-pvt1-promotes-ovarian-cancer-progression-by-silencing-mir-214
#9
Ying Chen, Hui Du, Lewen Bao, Wenxin Liu
Objective: Emerging evidence indicates that long non-coding RNAs (lncRNAs) are critical in carcinogenesis and progression of ovarian cancer. This study aimed to explore the functions and molecular mechanisms of plasmacytoma variant translocation I (PVT1) in ovarian cancer. Methods: PVT1 and miR-214 were detected by qRT-PCR assays in ovarian cancer tissues and cells. The cell proliferation, migration, and invasion abilities were detected by cell functional experiments, respectively...
August 2018: Cancer Biology & Medicine
https://www.readbyqxmd.com/read/30197790/knockdown-of-long-non-coding-rna-lcpat1-inhibits-autophagy-in-lung-cancer
#10
Xiao Yu, Xiaofei Ye, Hongyan Lin, Nannan Feng, Sumeng Gao, Xiaohong Zhang, Yu Wang, Herbert Yu, Xiaobei Deng, Biyun Qian
Objective: Long non-coding RNAs (lncRNAs) are involved in numerous biological processes in lung cancer cells. In our previous studies, we identified a lncRNA, ENST00000439577 , which is highly expressed in lung carcinomas, and termed it lung cancer progression-associated transcript 1 ( LCPAT1 ). To characterize the role of LCPAT1 in lung cancer, we conducted the current study. Methods: Expression of LCPAT1 and autophagy-associated markers in tumor tissues and lung cancer cell lines was determined by real-time quantitative polymerase chain reaction (qPCR)...
August 2018: Cancer Biology & Medicine
https://www.readbyqxmd.com/read/30197789/atm-in-breast-and-brain-tumors-a-comprehensive-review
#11
Mehrdad Asghari Estiar, Parvin Mehdipour
The ATM gene is mutated in the syndrome, ataxia-telangiectasia (AT), which is characterized by predisposition to cancer. Patients with AT have an elevated risk of breast and brain tumors Carrying mutations in ATM , patients with AT have an elevated risk of breast and brain tumors. An increased frequency of ATM mutations has also been reported in patients with breast and brain tumors; however, the magnitude of this risk remains uncertain. With the exception of a few common mutations, the spectrum of ATM alterations is heterogeneous in diverse populations, and appears to be remarkably dependent on the ethnicity of patients...
August 2018: Cancer Biology & Medicine
https://www.readbyqxmd.com/read/30197788/new-developments-in-immunotherapy-for-lymphoma
#12
Benjamin Heyman, Yiping Yang
The development of immunotherapies for lymphoma has undergone a revolutionary evolution over the past decades. Since the advent of rituximab as the first successful immunotherapy for B-cell non-Hodgkin lymphoma over two decades ago, a plethora of new immunotherapeutic approaches to treat lymphoma has ensued. Four of the most exciting classes of immunotherapies include: chimeric antigen receptor T-cells, bispecific antibodies, immune checkpoint inhibitors, and vaccines. However, with addition of these novel therapies the appropriate timing of treatment, optimal patient population, duration of therapy, toxicity, and cost must be considered...
August 2018: Cancer Biology & Medicine
https://www.readbyqxmd.com/read/29951343/ovarian-cancer-presenting-with-hypercalcemia-two-cases-with-similar-manifestations-but-different-mechanisms
#13
Xuegong Ma, Yingmei Wang, Xuhong Zhang, Mengting Dong, Wen Yang, Fengxia Xue
Hypercalcemia presenting in ovarian cancer is uncommon in the clinic. Here, two cases of ovarian epithelial carcinoma that presented with severe hypercalcemia were reported, with a review of the literature. The laboratory findings and stepwise clinical investigations of these two cases differed, indicating distinct underlying causes of hypercalcemia. In case one, the serum levels and immunostaining for parathyroid hormone-related protein (PTHrP) verified humoral hypercalcemia of malignancy (HHM). In case two, the high level of parathyroid hormone (PTH) and the scintigraphy scan showing parathyroid gland adenoma confirmed primary hyperparathyroidism-induced hypercalcemia...
May 2018: Cancer Biology & Medicine
https://www.readbyqxmd.com/read/29951342/primary-resistance-to-crizotinib-treatment-in-a-non-small-cell-lung-cancer-patient-with-an-eml4-alk-rearrangement-a-case-report
#14
Ling Zhang, Yunxia Li, Shaohong Zhang, Chen Gao, Keke Nie, Youxin Ji
Crizotinib, a small molecular tyrosine kinase inhibitor, manifests dramatic responses in patients with non-small cell lung cancer with echinoderm microtubule associated protein like 4-anaplastic lymphoma kinase (EML4-ALK) rearrangements. ALK gene point mutation is the primary mechanism of acquired crizotinib resistance; however, the intrinsic mechanism is not fully understood. Here, we report a patient with a low mutant allele fraction (MAF) of EML4-ALK rearrangement, who experienced primary resistance to crizotinib treatment...
May 2018: Cancer Biology & Medicine
https://www.readbyqxmd.com/read/29951341/ultrasound-features-of-extranodal-extension-in-the-metastatic-cervical-lymph-nodes-of-papillary-thyroid-cancer-a-case-control-study
#15
Jiali Mu, Xiaofeng Liang, Fangxuan Li, Juntian Liu, Sheng Zhang, Jing Tian
Objective: Extranodal extension in cervical lymph nodes is an important risk factor for the progression and prognosis of papillary thyroid cancer. The purpose of this study was to identify the common and characteristic preoperative ultrasonography features that are associated with the pathologic extranodal extension of metastatic papillary thyroid carcinoma. Methods: We retrospectively assessed and compared clinicopathologic and ultrasound features between 60 papillary thyroid cancer patients with extranodal extension and 120 control patients with papillary thyroid cancer without extranodal extension...
May 2018: Cancer Biology & Medicine
https://www.readbyqxmd.com/read/29951340/diagnostic-value-of-whole-body-mri-with-diffusion-weighted-sequence-for-detection-of-peritoneal-metastases-in-colorectal-malignancy
#16
Huan Zhang, Weixing Dai, Caixia Fu, Xu Yan, Alto Stemmer, Tong Tong, Guoxiang Cai
Objective: To assess the diagnostic accuracy of whole-body MRI using diffusion-weighted sequence (WB-DWI) to determine the peritoneal cancer index (PCI) in correlation with surgical and histopathological findings. Methods: Twenty-seven patients underwent preoperative WB-MRI, followed by cytoreductive surgery for primary tumors of the appendix ( n = 15), colorectum ( n = 12), and associated peritoneal disease. A total of 351 regions were retrospectively reviewed...
May 2018: Cancer Biology & Medicine
https://www.readbyqxmd.com/read/29951339/clinical-significance-of-mirna-106a-in-non-small-cell-lung-cancer-patients-who-received-cisplatin-combined-with-gemcitabine-chemotherapy
#17
Ye Tian, Changyu Sun, Limeng Zhang, Yuan Pan
Objective: Research has demonstrated that microRNA (miR)-106a is related to cisplatin resistance. We investigated the expression of miR-106a in the serum of patients with non-small cell lung cancer (NSCLC) and their sensitivity to chemotherapy by cisplatin combined with gemcitabine. Methods: Eighty-five NSCLC patients, who completed four cycles of gemcitabine and cisplatin chemotherapy, volunteered for this study and their serum samples were collected. Serum samples from 60 healthy subjects were used as controls...
May 2018: Cancer Biology & Medicine
https://www.readbyqxmd.com/read/29951338/enterolactone-modulates-the-erk-nf-%C3%AE%C2%BAb-snail-signaling-pathway-in-triple-negative-breast-cancer-cell-line-mda-mb-231-to-revert-the-tgf-%C3%AE-induced-epithelial-mesenchymal-transition
#18
Aniket V Mali, Asavari A Joshi, Mahabaleshwar V Hegde, Shivajirao S Kadam
Objective: Triple-negative breast cancer (TNBC) is highly metastatic, and there is an urgent unmet need to develop novel therapeutic strategies leading to the new drug discoveries against metastasis. The transforming growth factor-β (TGF-β) is known to promote the invasive and migratory potential of breast cancer cells through induction of epithelial-mesenchymal transition (EMT) via the ERK/NF-κB/Snail signaling pathway, leading to breast cancer metastasis. Targeting this pathway to revert the EMT would be an attractive, novel therapeutic strategy to halt breast cancer metastasis...
May 2018: Cancer Biology & Medicine
https://www.readbyqxmd.com/read/29951337/progress-in-non-invasive-detection-of-liver-fibrosis
#19
Chengxi Li, Rentao Li, Wei Zhang
Liver fibrosis is an important pathological precondition for hepatocellular carcinoma. The degree of hepatic fibrosis is positively correlated with liver cancer. Liver fibrosis is a series of pathological and physiological process related to liver cell necrosis and degeneration after chronic liver injury, which finally leads to extracellular matrix and collagen deposition. The early detection and precise staging of fibrosis and cirrhosis are very important for early diagnosis and timely initiation of appropriate therapeutic regimens...
May 2018: Cancer Biology & Medicine
https://www.readbyqxmd.com/read/29951336/pd-1-pd-l1-pathway-blockade-works-as-an-effective-and-practical-therapy-for-cancer-immunotherapy
#20
Long Jia, Qi Zhang, Rongxin Zhang
Cancer immunotherapy has greatly advanced in recent years, and PD-1/PD-L1 blocking therapy has become a major pillar of immunotherapy. Successful clinical trials of PD-1/PD-L1 blocking therapies in cancer treatments have benefited many patients, which promoted the Food and Drug Administration (FDA) approval of PD-1/PD-L1 blocking drugs. In this review, we provide a detailed introduction of five PD-1/PD-L1 blocking drugs, with indications and studies, as a valuable reference for doctors and medical investigators...
May 2018: Cancer Biology & Medicine
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