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https://www.readbyqxmd.com/read/28819543/diosmin-attenuates-methotrexate-induced-hepatic-renal-and-cardiac-injury-a-biochemical-and-histopathological-study-in-mice
#1
Mohamed M Abdel-Daim, Hesham A Khalifa, Abdelrahman Ibrahim Abushouk, Mohamed A Dkhil, Saleh A Al-Quraishy
The current study was designed to investigate the beneficial role of diosmin, a biologically active flavonoid, against methotrexate- (MTX-) induced hepatic, renal, and cardiac injuries in mice. Male Swiss albino mice received a single intraperitoneal injection of MTX (at 20 mg/kg, body weight) either alone or in combination with oral diosmin (at 50 or 100 mg/kg body weight, for 10 days). Serum was used to evaluate tissue injury markers, while hepatic, renal, and cardiac tissue samples were obtained for determination of antioxidant activity as well as histopathological examination...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/28819084/the-significance-of-lactate-and-lipid-peaks-for-predicting-primary-neuroepithelial-tumor-grade-with-proton-mr-spectroscopy
#2
Hisao Nakamura, Masatomo Doi, Takuya Suzuki, Yasuyuki Yoshida, Masahiro Hoshikawa, Masashi Uchida, Yuichiro Tanaka, Masayuki Takagi, Yasuo Nakajima
PURPOSE: (1)H-MRS is a non-invasive technique used to assess the metabolic activity of brain tumors. The technique is useful for the preoperative prediction of tumor grade, which is important for treatment planning and accurate prognosis. We used (1)H-MRS to study the lactate peak, which appears in various conditions, including hyperglycemia, ischemia, and hypoxia and lipid peak, which is associated with necrotic cells. The purpose of this study was to retrospectively examine the frequency and significance of lactate and lipid peaks in relation to brain tumor grade...
August 16, 2017: Magnetic Resonance in Medical Sciences: MRMS
https://www.readbyqxmd.com/read/28816282/-long-term-follow-up-experience-of-comprehensive-treatment-of-testicular-mixed-germ-cell-tumors
#3
J F Ye, B Wang, L L Ma, L Zhao, G L Wang, K Hong
OBJECTIVE: Testicular mixed germ cell tumor is mixed with embryonal carcinoma, choriocarcinoma, yolk sac tumor, teratoma, seminoma and other two or more components of the testicular tumor, the clinical is relatively rare and high degree of malignancy, this article will summarize its clinical features and optimize its treatment. METHODS: A retrospective analysis of the clinical data of 22 patients with testicular tumor mixed germ cell in Peking University Third Hospital from May 1994 to November 2016 was conducted using a combination of statistical analysis and discussion of the relevant literature...
August 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28812020/pretreatment-serum-cystatin-c-levels-predict-renal-function-but-not-tumor-characteristics-in-patients-with-prostate-neoplasia
#4
Feilong Yang, Dawei Li, Yu Di, Yongzhen Zhang, Yuanwei Zang, Juchao Ren, Lei Yan, Zunlin Zhou, Hainan Liu, Zhonghua Xu
To evaluate the role of Cystatin C (Cys-C) in tumorigenesis and progression of prostate cancer (PCa), we retrospectively collected the clinical information from the records of 492 benign prostatic hyperplasia (BPH), 48 prostatic intraepithelial neoplasia (PIN), and 173 PCa patients, whose disease was newly diagnosed and histologically confirmed. Pretreatment serum Cys-C levels were compared across the various groups and then analyzed to identify relationships, if any, with clinical and pathological characteristics of the PCa patient group...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28811749/acute-cocoa-flavanols-intake-has-minimal-effects-on-exercise-induced-oxidative-stress-and-nitric-oxide-production-in-healthy-cyclists-a-randomized-controlled-trial
#5
Lieselot Decroix, Cajsa Tonoli, Danusa Dias Soares, Amandine Descat, Marie-José Drittij-Reijnders, Antje R Weseler, Aalt Bast, Wilhelm Stahl, Elsa Heyman, Romain Meeusen
BACKGROUND: Cocoa flavanols (CF) can stimulate vasodilation by improved nitric oxide (NO) synthesis and have antioxidant and anti-inflammatory capacities. This study aimed to examine whether acute CF intake can affect exercise-induced changes in antioxidant capacity, oxidative stress, inflammation and NO production, as well as exercise performance and recovery in well-trained cyclists. METHODS: Twelve well-trained male cyclists (mean ± SD age, VO2max: 30 ± 3 years, 63...
2017: Journal of the International Society of Sports Nutrition
https://www.readbyqxmd.com/read/28806945/tumor-microenvironment-conditions-alter-akt-and-na-h-exchanger-nhe1-expression-in-endothelial-cells-more-than-hypoxia-alone-implications-for-endothelial-cell-function-in-cancer
#6
A K Pedersen, J Mendes Lopes de Melo, N Mørup, K Tritsaris, S F Pedersen
BACKGROUND: Chronic angiogenesis is a hallmark of most tumors and takes place in a hostile tumor microenvironment (TME) characterized by hypoxia, low nutrient and glucose levels, elevated lactate and low pH. Despite this, most studies addressing angiogenic signaling use hypoxia as a proxy for tumor conditions. Here, we compared the effects of hypoxia and TME conditions on regulation of the Na(+)/H(+) exchanger NHE1, Ser/Thr kinases Akt1-3, and downstream effectors in endothelial cells...
August 14, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28804587/primary-hepatic-lymphoma-mimicking-cholangiocarcinoma
#7
Foroogh Forghani, Mohsen Masoodi, Maryam Kadivar
Primary hepatic lymphoma (PHL) presenting with obstructive jaundice is rare and can mimic a preoperative diagnosis of cholangiocarcinoma. We should consider PHL in patients with radiological hepatic disease with normal serum alpha-fetoprotein and carcinoembryonic antigen levels, and elevated lactate dehydrogenase. We present the case of a 67-year-old male with no significant medical history presented with abdominal pain, jaundice, fever, and abnormal liver function tests. Abdominal sonography and computed tomography scan suggested a diagnosis of obstructive jaundice and cholangitis due to cholangiocarcinoma (Klatskin tumor)...
July 2017: Oman Medical Journal
https://www.readbyqxmd.com/read/28800787/mir-449a-suppresses-ldha-mediated-glycolysis-to-enhance-the-sensitivity-of-non-small-cell-lung-cancer-cells-to-ionizing-radiation
#8
Liang Li, Huijuan Liu, Lianjiang Du, Pan Xi, Qian Wang, Yanqin Li, Di Liu
MicroRNA dysregulation contributes to malignant progression, dissemination and profound treatment resistance in multiple cancers. MiR-449a is recognized as a tumor suppresser. However, roles of miR-449a in lung cancers initiation and progression are largely unrevealed. Our study aims to investigate roles and the underlying mechanism of miR-449a in modulating sensitivity to ionizing radiation (IR) in non-small cell lung cancers (NSCLC). Lung cancer cells were transfected with miR-449a mimics or negative control and exposed to IR, levels of target protein, glycolysis, cell viability, apoptosis and DNA damage were examined...
August 11, 2017: Oncology Research
https://www.readbyqxmd.com/read/28791381/protective-effect-of-diminazene-attenuates-myocardial-infarction-in-rats-via-increased-inflammation-and-ace2-activity
#9
Junjiang Chen, Lianqun Cui, Jingliang Yuan, Songcun Zhang, Rongmei Ma, Hongjun Sang, Qingjiang Liu, Lianfeng Shan
The present study aimed to investigate whether diminazene attenuates myocardial infarction (MI) in rats. In addition, the present study investigated whether ACE2 signaling was involved in the effects of diminazene on protein function. A rat model of acute myocardial infarction (AMI) was established by occlusion of the left anterior descending coronary artery. The AMI model rats received intraperitoneal injections of diminazene (5 mg/kg/day) for 3 days. Treatment with diminazene significantly inhibited the expression of casein kinase and lactate dehydrogenase, and reduced infarct size in AMI rats...
August 3, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28791350/prl-3-improves-colorectal-cancer-cell-proliferation-and-invasion-through-il-8-mediated-glycolysis-metabolism
#10
Heyang Xu, Yujie Zeng, Lu Liu, Qian Gao, Shaowen Jin, Qiusheng Lan, Wei Lai, Xingxi Luo, Heng Wu, Yongliang Huang, Zhonghua Chu
Phosphatase of regenerating liver-3 (PRL-3) has been found to be overexpressed in liver metastases of colorectal cancer and rarely expressed in primary tumors, which plays an important role in the metastasis of colorectal cancer cells. Metabolism reprogramming has been found to be a hallmark of cancer cells, and aerobic glycolysis is a metabolic adaption for cancer cells and promotes cell proliferation. However, the association between PRL-3 and glycolysis in colorectal cancer cells is not well understood. In the present study, we explored the association between PRL-3 and glycolysis...
August 2, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28790267/-a-case-of-recurrent-colorectal-cancer-with-bilateral-ovarian-metastases-that-were-reduced-with-regorafenib-therapy
#11
Shiro Nakae, Yuya Nogi, Jun Arima, Daiki Okamoto, Naoki Urakawa, Masataka Fujikawa, Hidetoshi Gon, Atsushi Takebe, Makoto Shinzeki, Kenichi Tanaka, Hideto Senzaki
A 63-year-old woman had recurrences of metastatic rectal cancer in the lung, peritoneum, and ovary. Regorafenib was administered at 160mg/day as third-line chemotherapy. The patient developed Grade(Gr)3 hand-foot syndrome(HFS) and Gr 2 rash, but the abdominal distension and pain were relieved by the 1st course. Analgesics could be reduced and regorafenib was administrated at reduced dosage. The patient received keishi-bukuryo-gan(EK-25)and sai-rei-tou(TJ-114) for HFS. At the beginning of therapy, ovarian metastases were not reduced and showed poor contrast enhancement on CT...
July 2017: Gan to Kagaku Ryoho. Cancer & Chemotherapy
https://www.readbyqxmd.com/read/28778087/pkm2-activation-sensitizes-cancer-cells-to-growth-inhibition-by-2-deoxy-d-glucose
#12
Sui Seng Tee, Jae Mo Park, Ralph E Hurd, Kyle R Brimacombe, Matthew B Boxer, Tarik F Massoud, Brian K Rutt, Daniel M Spielman
Cancer metabolism has emerged as an increasingly attractive target for interfering with tumor growth. Small molecule activators of pyruvate kinase isozyme M2 (PKM2) suppress tumor formation but have an unknown effect on established tumors. We demonstrate that TEPP-46, a PKM2 activator, results in increased glucose consumption, providing the rationale for combining PKM2 activators with the toxic glucose analog, 2-deoxy-D-glucose (2-DG). Combination treatment resulted in reduced viability of a range of cell lines in standard cell culture conditions at concentrations of drugs that had no effect when used alone...
July 26, 2017: Oncotarget
https://www.readbyqxmd.com/read/28768083/oridonin-protects-the-lung-against-hyperoxia-induced-injury-in-a-mouse-model
#13
Ying Liu, Pei-Xi Zhang, Cui-Hang Han, Dunbiao Wei, Tongju Qiao, Bo Peng, Kan Liu, Juan Zheng, Wenwu Liu
Hyperoxic acute lung injury (HALI) is caused by prolonged exposure to high oxygen partial pressure. This study was undertaken to investigate the protective effects of oridonin on HALI in a mouse model. Mice were randomly divided into three groups: the control group, HALI group and oridonin (ORI) group. HALI was induced by exposing mice to pure oxygen at 2.5 atmospheres absolute (ATA) for six hours in the HALI and ORI groups. In the ORI group, mice were intraperitoneally injected with ORI at 10 mg/kg twice daily after hyperoxic exposure...
January 2017: Undersea & Hyperbaric Medicine: Journal of the Undersea and Hyperbaric Medical Society, Inc
https://www.readbyqxmd.com/read/28767733/lactate-dehydrogenase-and-creatine-kinase-as-poor-prognostic-factors-in-lung-cancer-a-retrospective-observational-study
#14
Lei Liu, Ying He, Ge Ge, Lei Li, Ping Zhou, Yihan Zhu, Huairong Tang, Yan Huang, Weimin Li, Li Zhang
PURPOSE: Circulating molecules play important roles in lung cancer diagnosis. In addition, plasma lactate dehydrogenase (LDH) and creatine kinase (CK) have been shown to be closely related to tumor progression in breast cancer, prostate cancer, and colonel cancer. However, the relationships between LDH and CK levels with metastasis occurrence and the survival status of lung cancer patients remain unclear. EXPERIMENTAL DESIGN: A total of 1142 lung cancer patients were enrolled in this study and were separated into negative or positive groups, according to the plasma levels of CK or LDH...
2017: PloS One
https://www.readbyqxmd.com/read/28767543/lactate-and-immunosuppression-in-sepsis
#15
Benjamin Nolt, Fei Tu, Xiaohui Wang, Tuanzhu Ha, Randi Winter, David L Williams, Chuanfu Li
Serum lactate levels are traditionally interpreted as a marker of tissue hypoxia and often used clinically as an indicator of severity and outcome of sepsis/septic shock. Interestingly, recent studies involving the effects of tumor-derived lactate suggest that lactate itself may have an immunosuppressive effect in its local environment. This finding adds to the recent advances in immunometabolism that shed light on the importance of metabolism and metabolic intermediates in the regulation of innate immune and inflammatory responses in sepsis...
August 1, 2017: Shock
https://www.readbyqxmd.com/read/28765913/danshensu-attenuates-aldosterone-induced-cardiomyocytes-injury-through-interfering-p53-pathway
#16
Xiaohong Yang, Rui Yang, Xianli Li, Xiaohui Zheng
Heart failure, characterized by impaired systolic and/or diastolic function, is a common cardiovascular disease. The loss of cardiomyocytes due to various factors, including through necrosis or apoptosis can result in heart failure. Previous studies have indicated that excessive aldosterone (ALD) serves an essential role in the process of heart failure, and the heart is also one of the direct targets of ALD, which can provoke hypertrophy and the apoptosis of cardiomyocytes. The aim of the present study was to investigate the protective effect of danshensu (DSS) on ALD‑induced cardiomyocytes injury...
August 2, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28765878/grifola-frondosa-polysaccharides-induce-breast-cancer-cell-apoptosis-via-the-mitochondrial-dependent-apoptotic-pathway
#17
Yizhi Zhang, Dejun Sun, Qingjin Meng, Wanxu Guo, Qiuhui Chen, Ying Zhang
Grifola frondosa, a type of food and medical fungus, has been shown to exhibit various pharmacological activities, including anticancer effects. As the most typical cancer diagnosed among female patients, breast cancer remains a huge concern threatening human health globally. In the present study, the anti-breast cancer effects of Grifola frondosa polysaccharides (GFPs) and the underlying mechanisms were investigated in MCF-7 and MDA-MB-231 cells, as well as in nude mice bearing MCF-7 tumor xenografts. GFPs exerted cytotoxic effects on the cells, as indicated by a decrease in cell viability, and an increase in the apoptototic rate, lactate dehydrogenase release and reactive oxygen species accumulation, inducing mitochondrial dysfunction...
July 26, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28763790/platelets-subvert-t-cell-immunity-against-cancer-via-garp-tgf%C3%AE-axis
#18
Saleh Rachidi, Alessandra Metelli, Brian Riesenberg, Bill X Wu, Michelle H Nelson, Caroline Wallace, Chrystal M Paulos, Mark P Rubinstein, Elizabeth Garrett-Mayer, Mirko Hennig, Daniel W Bearden, Yi Yang, Bei Liu, Zihai Li
Cancer-associated thrombocytosis has long been linked to poor clinical outcome, but the underlying mechanism is enigmatic. We hypothesized that platelets promote malignancy and resistance to therapy by dampening host immunity. We show that genetic targeting of platelets enhances adoptive T cell therapy of cancer. An unbiased biochemical and structural biology approach established transforming growth factor β (TGFβ) and lactate as major platelet-derived soluble factors to obliterate CD4(+) and CD8(+) T cell functions...
May 5, 2017: Science Immunology
https://www.readbyqxmd.com/read/28763434/comparison-of-3-hypertonic-saline-and-20-mannitol-for-reducing-intracranial-pressure-in-patients-undergoing-supratentorial-brain-tumor-surgery-a-randomized-double-blind-clinical-trial
#19
Achmet Ali, Aylin Tetik, Pulat A Sabanci, Demet Altun, Nukhet Sivrikoz, Taner Abdullah, Aydin Aydoseli, Altay Sencer, Ibrahim O Akinci
BACKGROUND: In the present study, we hypothesized that 3% hypertonic saline (HS) is more effective than 20% mannitol to reduce intracranial pressure (ICP) and to modify brain bulk in patients undergoing an elective supratentorial craniotomy. MATERIALS AND METHODS: After institutional review board approval, patients scheduled to undergo supratentorial craniotomy were enrolled into this prospective, randomized, double-blind study. The patients were monitored for routine hemodynamic parameters, depth of anesthesia, and ICP...
July 31, 2017: Journal of Neurosurgical Anesthesiology
https://www.readbyqxmd.com/read/28756978/prognostic-significance-of-lactate-dehydrogenase-b-according-to-histologic-type-of-non-small-cell-lung-cancer-and-its-association-with-serum-lactate-dehydrogenase
#20
Young Wha Koh, Su Jin Lee, Seong Yong Park
Lactate dehydrogenase B (LDHB) expression and the level of serum LDH were involved in tumor progression. Correlations between these parameters and their prognostic significance were not assessed in non-small cell lung cancer (NSCLC). We evaluated LDHB expression by immunohistochemical method and serum LDH in 243 NSCLC patients treated with surgical resection [136 adenocarcinomas (ADCs), 89 squamous cell carcinomas (SqCCs) and 18 other type carcinomas]. Correlation between LDHB expression and serum LDH was assessed, and the prognostic significance was determined...
July 6, 2017: Pathology, Research and Practice
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