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https://www.readbyqxmd.com/read/28589262/the-surgical-outcomes-of-lung-cancer-combined-with-interstitial-pneumonia-a-single-institution-report
#1
Daisuke Taniguchi, Naoya Yamasaki, Takuro Miyazaki, Tomoshi Tsuchiya, Keitaro Matsumoto, Go Hatachi, Tomoyuki Kakugawa, Noriho Sakamoto, Hiroshi Mukae, Takeshi Nagayasu
PURPOSE: Several studies have reported that an acute exacerbation (AE) of idiopathic interstitial pneumonia (IIP) can occur after lung resection in patients with non-small cell lung cancer (NSCLC); however, the perioperative management strategy is controversial. METHODS: The data of lung cancer patients at Nagasaki University Hospital from June 1994 to October 2013 were retrospectively reviewed. RESULTS: Among all 1701 NSCLC patients who underwent lung resection, 59 (3...
June 6, 2017: Surgery Today
https://www.readbyqxmd.com/read/28582278/exosomes-from-adipose-derived-mesenchymal-stem-cells-protect-ischemic-myocardium-from-ischemia-reperfusion-injury-via-wnt-%C3%AE-catenin-signaling-pathway
#2
Xiaojun Cui, Zhangyou He, Zihao Liang, Zhenyi Chen, Haifeng Wang, Jiankai Zhang
Mesenchymal stem cells (MSCs) and their secreted exosomes exert a cardioprotective role in jeopardized myocardium. However, the specific effects and underlying mechanisms of exosomes derived from adipose-derived MSCs (ADMSCs) on myocardial ischemia/reperfusion (I/R) injury remain largely unclear. In this study, ADMSC-derived exosomes (ADMSCs-ex) were administrated into the rats subjected to I/R injury and H9c2 cells exposed to Hypoxia/reoxygenation (H/R). Consequently, administration of ADMSCs-ex significantly reduced I/R-induced myocardial infarction, accompanied with a decrease in serum levels of creatine kinase-myocardial band (CK-MB), lactate dehydrogenase (LDH) and cardiac troponin I (cTnI)...
June 5, 2017: Journal of Cardiovascular Pharmacology
https://www.readbyqxmd.com/read/28569347/clinical-parameters-associated-with-anti-programmed-death-1-pd-1-inhibitors-induced-tumor-response-in-melanoma-patients
#3
Valentine Heidelberger, François Goldwasser, Nora Kramkimel, Anne Jouinot, Nathalie Franck, Jennifer Arrondeau, Sarah Guégan, Audrey Mansuet-Lupo, Jérôme Alexandre, Diane Damotte, Marie-Françoise Avril, Nicolas Dupin, Sélim Aractingi
Background The identification of the melanoma patients sensitive to anti-PD-1 inhibitors, nivolumab or pembrolizumab, is a major therapeutic challenge and an urgent need. We hypothesized that the natural history of the disease might partly reflect the immune state of the patients. Methods We analyzed our cohort of melanoma patients treated with anti-PD-1 from August 2014 to January 2016 in our institution. Objective response was defined as a complete or partial response according to v1.1 RECIST criteria. Results Among 63 metastatic melanoma patients, the overall response rate was 43%...
May 31, 2017: Investigational New Drugs
https://www.readbyqxmd.com/read/28567600/dabrafenib-therapy-in-30-patients-with-melanoma-metastatic-to-the-brain-a-single-centre-controlled-retrospective-study-in-hungary
#4
Eszter Gorka, Dániel Fabó, András Gézsi, Kata Czirbesz, Imre Fedorcsák, Gabriella Liszkay
Dabrafenib is a potent BRAF inhibitor, which showed intracranial tumor activity. The purpose of our retrospective analysis was to evaluate the efficacy of dabrafenib for patients with melanoma brain metastasis (BM). We studied 30 BRAF mutant melanoma patients with BM, who received dabrafenib after local control of the brain between 2014 and 2017. Eastern Cooperative Oncology Group Performance Status (ECOG) was 0-2. The control arm consisted of 204 melanoma patients from our institutional melanoma database with BM and ECOG 0-2 treated with local therapies and/or chemotherapy, between 2003 and 2015...
June 1, 2017: Pathology Oncology Research: POR
https://www.readbyqxmd.com/read/28558839/nlrp3-inflammasome-activation-in-murine-macrophages-caused-by-neospora-caninum-infection
#5
Xiaocen Wang, Pengtao Gong, Xu Zhang, Jielin Wang, Lixin Tai, Xu Wang, Zhengkai Wei, Yongjun Yang, Zhengtao Yang, Jianhua Li, Xichen Zhang
BACKGROUND: Neospora caninum is an intracellular parasite that causes significant economic losses in cattle industry. Understanding the host resistance mechanisms in the innate immune response to neosporosis could facilitate the exploration of approaches for controlling N. caninum infection. The NLR inflammasome is a multiprotein platform in the cell cytoplasm and plays critical roles in the host response against microbes. METHODS: Neospora caninum-infected wild-type (WT) macrophages and Nlrp3 (-/-) macrophages, and inhibitory approaches were used to investigate inflammasome activation and its role in N...
May 30, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28539262/synthetic-anti-endotoxin-peptides-inhibit-cytoplasmic-lps-mediated-responses
#6
Anja Pfalzgraff, Lena Heinbockel, Qi Su, Klaus Brandenburg, Günther Weindl
Toll-like receptor (TLR) 4-independent recognition of lipopolysaccharide (LPS) in the cytosol by inflammatory caspases leads to non-canonical inflammasome activation and induction of IL-1 secretion and pyroptosis. The discovery of this novel mechanism has potential implications for the development of effective drugs to treat sepsis since LPS-mediated hyperactivation of caspases is critically involved in endotoxic shock. Previously, we demonstrated that Pep19-2.5, a synthetic anti-endotoxin peptide, efficiently neutralises pathogenicity factors of Gram-negative and Gram-positive bacteria and protects against sepsis in vivo...
May 21, 2017: Biochemical Pharmacology
https://www.readbyqxmd.com/read/28525945/the-protective-effect-of-luteolin-on-myocardial-ischemia-reperfusion-i-r-injury-through-tlr4-nf-%C3%AE%C2%BAb-nlrp3-inflammasome-pathway
#7
Xu Zhang, Qianming Du, Yan Yang, Jianing Wang, Shuai Dou, Chao Liu, Junguo Duan
The purpose of the present study was to investigate the effect of Luteolin(Lut) on myocardial ischemia reperfusion injury and explore the underlying mechanism. Myocardial ischemia reperfusion injury (I/R) model was induced with 30min of left anterior descending (LAD) occlusion followed by 24h of reperfusion. In vivo, the rats were randomly divided into 5 groups: (1)Sham, (2)I/R, (3)I/R+Lut(40mg/kg), (4)I/R+Lut(80mg/kg) and (5)I/R+Lut(160mg/kg). In vitro, the H9c2 cells were assigned to five groups: (1)control, (2)hypoxia-reoxygenation(H/R), (3)H/R+Lut(5μM), (4)H/R+Lut(10μM) and (5)H/R+Lut(20μM)...
July 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28512412/sudden-onset-of-brain-metastasis-despite-the-use-of-vemurafenib-for-another-metastatic-lesion-in-malignant-melanoma-patients
#8
Keisuke Imafuku, Koji Yoshino, Kei Yamaguchi, Satoshi Tsuboi, Kuniaki Ohara, Hiroo Hata
Vemurafenib is an inhibitor of the BRAF mutation and has been approved by the Food and Drug Administration as a treatment option for patients with unresectable melanoma without brain metastasis. In the literature, vemurafenib has been reported to be also effective against brain metastasis. We encountered 3 cases with brain metastasis on vemurafenib therapy. In these cases, vemurafenib was clinically effective against metastatic lesions other than those in the brain. The brain lesions developed after the metastatic lesion had occurred...
January 2017: Case Reports in Oncology
https://www.readbyqxmd.com/read/28508977/thrombotic-microangiopathy-caused-by-interferon-%C3%AE-1b-for-multiple-sclerosis-a-case-report
#9
Haruomi Nishio, Tatsuo Tsukamoto, Takeshi Matsubara, Yoichiro Okada, Ryosuke Takahashi, Motoko Yanagita
A 41-year-old man with a history of multiple sclerosis (MS) developed thrombotic microangiopathy after taking interferon β-1b for 10 years. Although the relapse of his MS was well controlled under normal blood pressure, he had persistent nausea, anorexia, gait disturbance and visual disorder 1 month before admission. He showed lethargy and high blood pressure (180/102 mmHg). Laboratory test results revealed anemia and thrombocytopenia, elevated LDH and renal dysfunction. Urinary dipstick showed a 2+ result for proteinuria and 3+ for hematuria...
November 2016: CEN Case Reports
https://www.readbyqxmd.com/read/28503134/aquaporin-4-mediated-glutamate-induced-astrocyte-swelling-is-partially-mediated-through-metabotropic-glutamate-receptor-5-activation
#10
Zhongfang Shi, Wei Zhang, Yang Lu, Yi Lu, Lixin Xu, Qing Fang, Min Wu, Mei Jia, Yujiao Wang, Liping Dong, Xu Yan, Shaohua Yang, Fang Yuan
Astrocytes are one of the most abundant cell types in the mammalian central nervous system (CNS), and astrocyte swelling is the primary event associated with brain edema. Glutamate, the principal excitatory amino acid neurotransmitter in the CNS, is released at high levels after brain injury including cerebral ischemia. This leads to astrocyte swelling, which we previously demonstrated is related to metabotropic glutamate receptor (mGluR) activation. Aquaporin 4 (AQP4), the predominant water channel in the brain, is expressed in astrocyte endfeet and plays an important role in brain edema following ischemia...
2017: Frontiers in Cellular Neuroscience
https://www.readbyqxmd.com/read/28501492/ldh-inhibition-impacts-on-heat-shock-response-and-induces-senescence-of-hepatocellular-carcinoma-cells
#11
Marcella Manerba, Lorenza Di Ianni, Marzia Govoni, Marinella Roberti, Maurizio Recanatini, Giuseppina Di Stefano
In normal cells, heat shock response (HSR) is rapidly induced in response to a variety of harmful conditions and represents one of the most efficient defense mechanism. In cancer tissues, constitutive activation converts HSR into a life-threatening process, which plays a major role in helping cell survival and proliferation. Overexpression of heat shock proteins (HSPs) has been widely reported in human cancers and was found to correlate with tumor progression. Hepatocellular carcinoma is one of the conditions in which HSR activation was shown to have the highest clinical significance...
May 10, 2017: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28499942/metformin-ameliorates-hypoxia-reoxygenation-induced-cardiomyocyte-apoptosis-based-on-the-sirt3-signaling-pathway
#12
Yanyan Du, Jingjing Zhang, Fang Fang, Xiqing Wei, Hongsheng Zhang, Hongyong Tan, Jinguo Zhang
Myocardial hypoxia/reoxygenation (H/R) injury is one of the main causes of death and disability worldwide. However, a limited number of therapies are available to minimize the detrimental effects of this injury. Recently, researchers have demonstrated that metformin exerts direct cardioprotective effects against H/R. The aim of this study was to investigate the underlying mechanisms of how metformin affects myocardial hypoxia/reoxygenation (H/R) injury. In our study, the activities of lactate dehydrogenase (LDH) and superoxide dismutase (SOD) as well as the levels of malondialdehyde (MDA) were measured...
May 9, 2017: Gene
https://www.readbyqxmd.com/read/28489616/complete-response-to-anti-pd-1-nivolumab-in-massive-skin-metastasis-from-melanoma-efficacy-and-tolerability-in-an-elderly-patient
#13
Andrea Sponghini, Federica Patrucco, Roberto Giorgione, Pamela Farinelli, Francesca Zottarelli, David Rondonotti, Paola Savoia
The advent of immune checkpoint inhibitors anti-PD-1/PD-L1 has delivered new and effective treatment options with proven clinical benefits for patients affected by metastatic melanoma. The 30-40% of treated patients experience an objective tumour regression, with a significantly prolonged survival and an improved quality of life. Here, we report a case of a 75-year-old Caucasian woman affected by a massive cutaneous metastasis from a BRAF wild-type melanoma who experienced multiple relapses after surgery and repeated electrochemotherapy treatments...
May 9, 2017: Anti-cancer Drugs
https://www.readbyqxmd.com/read/28486232/osthole-a-coumadin-analog-from-cnidium-monnieri-l-cusson-ameliorates-nucleus-pulposus-induced-radicular-inflammatory-pain-by-inhibiting-the-activation-of-extracellular-signal-regulated-kinase-in-rats
#14
Hai-Xuan Wu, Yi-Min Wang, Hui Xu, Ming Wei, Qiu-Lan He, Mei-Na Li, Lai-Bao Sun, Ming-Hui Cao
AIM: This study was aimed at assessing the role of extracellular signal regulated kinase (ERK) in mechanical allodynia resulting from lumbar disc herniation (LDH) and exploring the osthole's anti-nociceptive effect on ERK activation. METHODS: Radicular pain was generated by applying nucleus pulposus (NP) to the L5 dorsal root ganglion (DRG). Allodynia was measured using Von Frey filaments to calculate the mechanical pain threshold. Phosphorylated ERK and total ERK protein in the lumbar spinal dorsal horn was detected by using the Western blot technique...
2017: Pharmacology
https://www.readbyqxmd.com/read/28462491/in-vitro-evaluation-of-combination-of-egcg-and-erlotinib-with-classical-chemotherapeutics-on-jar-cells
#15
Elçin Telli, Hatice Genç, Burcugül Altuğ Tasa, S Sinan Özalp, A Tansu Koparal
Gestational Trophoblastic Neoplasia (GTN) is a term used for a group of malignant gynecological tumors including choriocarcinoma. Low-risk neoplasias can be cured using single agents Methotrexate (MTX) and actinomycin-D (ACD), but in certain cases, decreased responsiveness and serious side effects occur. Therefore, researchers have been attempting to find new treatment modalities. One of the most popular way for increasing cancer patient survival rates is supporting treatment with adjuvant molecules or chemosensitizers...
May 1, 2017: In Vitro Cellular & Developmental Biology. Animal
https://www.readbyqxmd.com/read/28461153/a-coupled-photometric-assay-for-characterization-of-s-adenosyl-l-homocysteine-hydrolases-in-the-physiological-hydrolytic-direction
#16
Lyn L Kailing, Daniela Bertinetti, Friedrich W Herberg, Ioannis V Pavlidis
S-Adenosyl-L-homocysteine hydrolases (SAHases) are important metabolic enzymes and their dysregulation is associated with some severe diseases. In vivo they catalyze the hydrolysis of S-adenosyl-L-homocysteine (SAH), the by-product of methylation reactions in various organisms. SAH is a potent inhibitor of methyltransferases, thus its removal from the equilibrium is an important requirement for methylation reactions. SAH hydrolysis is also the first step in the cellular regeneration process of the methyl donor S-adenosyl-L-methionine (SAM)...
April 28, 2017: New Biotechnology
https://www.readbyqxmd.com/read/28454566/apoptosis-induced-effects-of-extract-from-artemisia-annua-linn%C3%A3-by-modulating-pten-p53-pdk1-akt-signal-pathways-through-pten-p53-independent-manner-in-hct116-colon-cancer-cells
#17
Eun Ji Kim, Guen Tae Kim, Bo Min Kim, Eun Gyeong Lim, Sang-Yong Kim, Young Min Kim
BACKGROUND: The extracts from Artemisia annua Linné (AAE) has been known to possess various functions including anti-bacterial, anti-virus and anti-oxidant effects. However, the mechanism of those effects of AAE is not well known. Pursuantly, we determined the apoptotic effects of extract of AAE in HCT116 cell. In this study, we suggested that AAE may exert cancer cell apoptosis through PTEN/PDK1/Akt/p53signal pathway and mitochondria-mediated apoptotic proteins. METHODS: We measured 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay, lactate dehydrogenase (LDH) assay, Hoechst 33342 staining, Annexin V-PI staining, Mitopotential assay, immunofluorescence (IF) and Western blotting...
April 28, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28445027/structurally-linked-dynamics-in-lactate-dehydrogenases-of-evolutionarily-distinct-species
#18
Matthew J Varga, Michael W Dzierlenga, Steven D Schwartz
We present new findings about how primary and secondary structure affects the role of fast protein motions in the reaction coordinates of enzymatic reactions. Using transition path sampling and committor distribution analysis, we examined the difference in the role of these fast protein motions in the reaction coordinate of lactate dehydrogenases (LDHs) of Apicomplexa organisms Plasmodium falciparum and Cryptosporidium parvum. Having evolved separately from a common malate dehydrogenase ancestor, the two enzymes exhibit several important structural differences, notably a five-amino acid insertion in the active site loop of P...
May 4, 2017: Biochemistry
https://www.readbyqxmd.com/read/28444885/hypoxia-induced-apoptosis-of-mouse-spermatocytes-is-mediated-by-hif-1%C3%AE-through-a-death-receptor-pathway-and-a-mitochondrial-pathway
#19
Jun Yin, Bing Ni, Wei-Gong Liao, Yu-Qi Gao
Hypoxia in vivo induces oligozoospermia, azoospermia and degeneration of the germinal epithelium, but the underlying molecular mechanism of this induction is not fully clarified. The aim of this study was to investigate the role of the death receptor pathway and the mitochondrial pathway in hypoxia-induced apoptosis of mouse GC-2spd (GC-2) cells and the relationship between HIF-1α and apoptosis of GC-2 cells induced by hypoxia. GC-2 cells were subjected to 1% oxygen for 48 h. Apoptosis was detected by flow cytometry, TUNEL staining, LDH, caspase-3/8/9 in the absence and presence of HIF-1α siRNA...
April 26, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28439485/treatment-of-atypical-hemolytic-uremic-syndrome-in-the-era-of-eculizumab
#20
Rawaa Ebrahem, Salam Kadhem, Quoc Truong
Hemolytic-uremic syndrome (HUS) is the triad of microangiopathic hemolytic anemia (MAHA), thrombocytopenia, and acute kidney injury (AKI); the main cause of multi-organ failure is related to thrombotic microangiopathy (TMA). Atypical HUS (aHUS) is a disease of uncontrolled complement activation associated with a high mortality rate and most cases progress to end-stage renal disease. About 50% of patients with this syndrome carry mutations in genes that encode complement proteins. Also, aHUS constitutes an over-activation of the complement pathway which is either inherited, acquired, or both...
March 23, 2017: Curēus
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