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Cancer Biology & Medicine

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https://www.readbyqxmd.com/read/29951343/ovarian-cancer-presenting-with-hypercalcemia-two-cases-with-similar-manifestations-but-different-mechanisms
#1
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
#2
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
#3
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
#4
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
#5
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
#6
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
#7
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
#8
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
https://www.readbyqxmd.com/read/29951335/key-questions-about-the-checkpoint-blockade-are-micrornas-an-answer
#9
Mihnea Dragomir, Baoqing Chen, Xiao Fu, George A Calin
The introduction of immune-checkpoint blockade in the cancer therapy led to a paradigm change of the management of late stage cancers. There are already multiple FDA approved checkpoint inhibitors and many other agents are undergoing phase 2 and early phase 3 clinical trials. The therapeutic indication of immune checkpoint inhibitors expanded in the last years, but still remains unclear who can benefit. MicroRNAs are small RNAs with no coding potential. By complementary pairing to the 3' untranslated region of messenger RNA, microRNAs exert posttranscriptional control of protein expression...
May 2018: Cancer Biology & Medicine
https://www.readbyqxmd.com/read/29545973/post-irradiation-pericardial-malignant-mesothelioma-with-deletion-of-p16-a-case-report
#10
Yalda B Naeini, Ramir Arcega, Sharon Hirschowitz, Nagesh Rao, Haodong Xu
Malignant mesotheliomas are rather uncommon neoplasms associated primarily with asbestos exposure; however, they may also arise as second primary malignancies after radiation therapy, with a latency period of 15-25 years. Numerous studies have reported an association between pleural malignant mesothelioma and chest radiation performed for other malignancies; on the other hand, post-irradiation mesotheliomas of the pericardium have been reported in only a few published cases to date, and no homozygous deletion of 9p21 has been described in such cases...
February 2018: Cancer Biology & Medicine
https://www.readbyqxmd.com/read/29545972/prognostic-significance-of-combined-fibrinogen-concentration-and-neutrophil-to-lymphocyte-ratio-in-patients-with-resectable-non-small-cell-lung-cancer
#11
Wuhao Huang, Shengguang Wang, Hua Zhang, Bin Zhang, Changli Wang
Objective: Cancer-associated inflammation and coagulation cascades play vital roles in cancer progression and survival. In this study, we investigated the significance of the combination of preoperative fibrinogen and the neutrophil-to-lymphocyte ratio (NLR) in predicting the survival of patients with non-small cell lung cancer (NSCLC). Methods: We retrospectively enrolled 589 patients with NSCLC who underwent surgery. The univariate and multivariate Cox survival analyses were used to evaluate the prognostic indicators, including the combination of fibrinogen and NLR (F-NLR)...
February 2018: Cancer Biology & Medicine
https://www.readbyqxmd.com/read/29545971/modified-blumgart-anastomosis-without-pancreatic-duct-to-jejunum-mucosa-anastomosis-for-pancreatoduodenectomy-a-feasible-and-safe-novel-technique
#12
Xiaoqing Wang, Yang Bai, Mangmang Cui, Qingxiang Zhang, Wei Zhang, Feng Fang, Tianqiang Song
Objective: This study proposed a modified Blumgart anastomosis (m-BA) that uses a firm ligation of the main pancreatic duct with a supporting tube to replace the pancreatic duct-to-jejunum mucosa anastomosis, with the aim of simplifying the complicated steps of the conventional BA (c-BA). Thus, we observe if a difference in the risk of postoperative pancreatic fistula (POPF) exists between the two methods. Methods: The m-BA anastomosis method has been used since 2010...
February 2018: Cancer Biology & Medicine
https://www.readbyqxmd.com/read/29545970/a-new-combined-criterion-to-better-predict-malignant-lesions-in-patients-with-pancreatic-cystic-neoplasms
#13
Chungen Lan, Xin Li, Xiuchao Wang, Jihui Hao, He Ren
Objective: Cystic lesions of the pancreas have been increasingly recognized. Some lesions exhibit benign behavior, while others have unequivocal malignant potential. Thus, accurate identification of malignancy in patients diagnosed with pancreatic cystic neoplasms (PCNs) remains a major challenge. The aim of this study was to define a combined criterion to better predict malignant lesions in patients with PCNs. Methods: We retrospectively analyzed 165 patients who underwent resection of PCNs from October 2011 to May 2017...
February 2018: Cancer Biology & Medicine
https://www.readbyqxmd.com/read/29545969/parkin-protein-expression-and-its-impact-on-survival-of-patients-with-advanced-colorectal-cancer
#14
Claudia Caroline Veloso da Silva-Camargo, Rosimeri Kuhl Svoboda Baldin, Nayanne Louise Costacurta Polli, Amanda Pereira Agostinho, Marcia Olandosk, Lúcia de Noronha, Vanessa Santos Sotomaior
Objective: Features of colorectal cancer such as natural history, molecular, chromosomal, and epigenetic alterations have been well described. However, there is still a lack of accurate prognostic markers, which is evident by the lower overall survival rates of patients with advanced cancer. Although alterations in parkin protein expression have been described in colorectal cancer, the functional significance of this protein remains unknown. The present study aimed to investigate the involvement of parkin expression in colorectal adenocarcinoma development and progression by evaluating the association between its expression, clinicopathological parameters, and expression of known proteins involved in colorectal cancer...
February 2018: Cancer Biology & Medicine
https://www.readbyqxmd.com/read/29545968/calcium-channel-%C3%AE-2%C3%AE-1-subunit-as-a-novel-biomarker-for-diagnosis-of-hepatocellular-carcinoma
#15
Sana Amhimmid Badr, Maryan Waheeb Fahmi, Manal Mahmoud Nomir, Mamdouh Mohammad El-Shishtawy
Objective: Hepatocellular carcinoma (HCC) is the fifth most common malignancy worldwide. The identification of new simple, inexpensive and highly accurate markers for HCC diagnosis and screening is needed. This case-control study evaluates the role of annexin A2 and voltage-gated calcium channels α2δ1 subunit as serum biomarkers for HCC diagnosis. Methods: The study comprised three groups: group 1, 50 patients with an initial diagnosis of HCC associated with chronic hepatitis C virus infection; group 2, 25 patients diagnosed with chronic hepatitis C virus infection and cirrhosis without any evidence of HCC; and group 3, 15 healthy controls...
February 2018: Cancer Biology & Medicine
https://www.readbyqxmd.com/read/29545967/egfr-tyrosine-kinase-inhibitor-hs-10182-increases-radiation-sensitivity-in-non-small-cell-lung-cancers-with-egfr-t790m-mutation
#16
Yang Chen, Youyou Wang, Lujun Zhao, Ping Wang, Jifeng Sun, Rudi Bao, Chenghai Li, Ningbo Liu
Objective: To investigate the potential of HS-10182, a second-generation epidermal growth factor receptor tyrosine kinase inhibitor (EGFR-TKI), as a radiosensitizer in non-small cell lung cancer (NSCLC). Methods: Two cell lines of NSCLCs, A549 that possesses wild-type (WT) EGFRs and H1975 that possesses EGFR L858R/T790M double mutations, were treated with HS-10182 at various concentrations, and cell viabilities were determined using the MTS assay. The cells were tested by clonogenic survival assays to identify the radiosensitivity of both groups...
February 2018: Cancer Biology & Medicine
https://www.readbyqxmd.com/read/29545966/silencing-of-syndecan-binding-protein-enhances-the-inhibitory-effect-of-tamoxifen-and-increases-cellular-sensitivity-to-estrogen
#17
Jun Zhang, Xiaolong Qian, Fangfang Liu, Xiaojing Guo, Feng Gu, Li Fu
Objective: Tamoxifen is used as a complementary treatment for estrogen receptor (ER)-positive breast cancer (BCa), but many patients developed resistance. The aim of this study was to examine the role of syndecan-binding protein (SDCBP) silencing in ER-positive BCa cells. Methods: In MCF-7/T47D cells, the effects of SDCBP silence/overexpression on cell proliferation and estrogenic response were examined. Cell proliferation was examined using the MTT assay and cell cycle regulators were examined by Western blot...
February 2018: Cancer Biology & Medicine
https://www.readbyqxmd.com/read/29545965/dual-specificity-phosphatase-6-dusp6-a-review-of-its-molecular-characteristics-and-clinical-relevance-in-cancer
#18
Muhammad Khairi Ahmad, Nur Ainina Abdollah, Nurul Husna Shafie, Narazah Mohd Yusof, Siti Razila Abdul Razak
Mitogen-activated protein kinases (MAPKs) are the main regulators of cellular proliferation, growth, and survival in physiological or pathological conditions. Aberrant MAPK signaling plays a pivotal role in carcinogenesis, which leads to development and progression of human cancer. Dual-specificity phosphatase 6 (DUSP6), a member of the MAPK phosphatase family, interacts with specifically targeted extracellular signal-regulated kinase 1/2 via negative feedback regulation in the MAPK pathway of mammalian cells...
February 2018: Cancer Biology & Medicine
https://www.readbyqxmd.com/read/29545964/biology-staging-and-treatment-of-breast-cancer-during-pregnancy-reassessing-the-evidences
#19
Fedro Alessandro Peccatori, Matteo Lambertini, Giovanna Scarfone, Lino Del Pup, Giovanni Codacci-Pisanelli
Breast cancer is one of the most frequently diagnosed malignancies during pregnancy. Here, we review the management of women with breast cancer during pregnancy (BCP), focusing on biology, diagnosis and staging, local and systemic treatments, obstetric care and long-term follow-up of children with prenatal exposure to anticancer treatments.
February 2018: Cancer Biology & Medicine
https://www.readbyqxmd.com/read/29545963/the-evolution-of-epstein-barr-virus-detection-in-nasopharyngeal-carcinoma
#20
You Quan Li, Ni Sann Khin, Melvin L K Chua
No abstract text is available yet for this article.
February 2018: Cancer Biology & Medicine
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