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https://www.readbyqxmd.com/read/28647349/inhibitor-of-apoptosis-proteins-iaps-limit-ripk1-mediated-skin-inflammation
#1
H Anderton, J A Rickard, G A Varigos, N Lalaoui, J Silke
Inhibitor of Apoptosis Proteins (IAPs) are critical regulators of cell death and survival pathways. Mice lacking cellular IAP (cIAP) 1 and either cIAP2 or X-linked IAP (XIAP) die in utero, and myeloid lineage-specific deletion of all IAPs causes sterile inflammation, but their role in the skin is unknown. We generated epidermal-specific IAPs deficient mice and found that combined genetic deletion of cIAP1 in keratinocytes and ubiquitous cIAP2 deletion (cIap1(EKO/EKO).cIap2(-/-)) caused profound skin inflammation and keratinocyte death, lethal by post-partum day 10...
June 21, 2017: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/28646852/the-facial-expression-of-schizophrenic-patients-applied-with-infrared-thermal-facial-image-sequence
#2
Bo-Lin Jian, Chieh-Li Chen, Wen-Lin Chu, Min-Wei Huang
BACKGROUND: Schizophrenia is a neurological disease characterized by alterations to patients' cognitive functions and emotional expressions. Relevant studies often use magnetic resonance imaging (MRI) of the brain to explore structural differences and responsiveness within brain regions. However, as this technique is expensive and commonly induces claustrophobia, it is frequently refused by patients. Thus, this study used non-contact infrared thermal facial images (ITFIs) to analyze facial temperature changes evoked by different emotions in moderately and markedly ill schizophrenia patients...
June 24, 2017: BMC Psychiatry
https://www.readbyqxmd.com/read/28638870/apoptosis-induction-of-epifriedelinol-on-human-cervical-cancer-cell-line
#3
Jie Yang, Jing Fa, Bingxing Li
BACKGROUND: Present investigation evaluates the antitumor activity of epifriedelinol for the management of cervical cancer by inducing process of apoptosis. METHODS: Human Cervical Cancer Cell Line, C33A and HeLa were selected for study and treated with epifriedelinol at a concentration of (50-1000 µg/ml). Cytotoxicity of epifriedelinol was estimated by MTT assay and induction of apoptosis was assessed by estimating the activity of caspase 3, 8 and 9 enzyme, apoptosis assay and translocation of cytochrome c...
2017: African Journal of Traditional, Complementary, and Alternative Medicines: AJTCAM
https://www.readbyqxmd.com/read/28627292/mood-dependent-retrieval-in-visual-long-term-memory-dissociable-effects-on-retrieval-probability-and-mnemonic-precision
#4
Weizhen Xie, Weiwei Zhang
Although memories are more retrievable if observers' emotional states are consistent between encoding and retrieval, it is unclear whether the consistency of emotional states increases the likelihood of successful memory retrieval, the precision of retrieved memories, or both. The present study tested visual long-term memory for everyday objects while consistent or inconsistent emotional contexts between encoding and retrieval were induced using background grey-scale images from the International Affective Picture System (IAPS)...
June 18, 2017: Cognition & Emotion
https://www.readbyqxmd.com/read/28625872/decreased-enteritis-resistance-ability-by-dietary-low-or-excess-levels-of-lipids-through-impairing-the-intestinal-physical-and-immune-barriers-function-of-young-grass-carp-ctenopharyngodon-idella
#5
Lin Feng, Pei-Jun Ni, Wei-Dan Jiang, Pei Wu, Yang Liu, Jun Jiang, Sheng-Yao Kuang, Ling Tang, Wu-Neng Tang, Yong-An Zhang, Xu Tang, He-Qun Shi, Xiao-Qiu Zhou
The current study explores the hypothesis that low or excess levels of lipids decrease the enteritis resistance ability through impairing the intestinal physical and immune barrier function of young grass carp (Ctenopharyngodon idella). A total of 540 young grass carp with an average initial weight of 261.41 ± 0.53 g were fed diets containing six graded levels of lipids at 5.9, 21.4, 36.0, 50.2, 66.6 and 80.1 g/kg for 8 weeks. After that, a challenge trial was conducted by injection of Aeromonas hydrophila over 2 weeks...
June 15, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28620113/cell-scientist-to-watch-mads-gyrd-hansen
#6
(no author information available yet)
Mads Gyrd-Hansen studied biochemistry at the University of Copenhagen and received his PhD in 2005 under the supervision of Marja Jäättelä at the Danish Cancer Society Research Centre. He then joined the laboratory of Pascal Meier at the Institute of Cancer Research in London to work on the inhibitor of apoptosis (IAP) proteins. Mads returned to Copenhagen in 2008 to the Biotech Research and Innovation Centre (BRIC) in a senior postdoctoral position with Morten Frödin, and subsequently started his own research group with a career-development fellowship from the Danish Research Councils as part of the laboratory of Niels Mailand at the Novo Nordisk Foundation Centre for Protein Research...
June 15, 2017: Journal of Cell Science
https://www.readbyqxmd.com/read/28618765/the-influence-of-intraabdominal-pressure-on-the-mortality-rate-of-patients-with-acute-pancreatitis
#7
Petar Svorcan, Maja Stojanovic, Predrag Stevanovic, Aleksadar Karamarkovic, Radmilo Jankovic, Nebojsa Ladjevic
BACKGROUND/AIM: Intraabdominal hypertension (IAH) is a common clinical finding in patients with acute pancreatitis and is associated with poor prognosis. This study aimed to determine the impact of intraabdominal pressure (IAP) on the mortality rate in patients with acute pancreatitis in an intensive care unit. MATERIALS AND METHODS: A total of 50 patients with acute pancreatitis were included in this prospective cohort study. Based on the obtained values of IAP, the patients were divided into two groups: those with normal IAP (n = 14) and increased IAP (n = 36)...
June 12, 2017: Turkish Journal of Medical Sciences
https://www.readbyqxmd.com/read/28615451/molecular-mechanisms-of-signaling-via-the-docosanoid-neuroprotectin-d1-for-cellular-homeostasis-and-neuroprotection
#8
Aram Asatryan, Nicolas G Bazan
Docosahexaenoic acid (DHA), an omega-3 essential fatty acid family member that is enriched in the nervous system, generates bioactive docosanoids that can counteract disruptions of cellular homeostasis. Docosanoids include neuroprotectin D1 (NPD1), which is decreased in the CA1 hippocampal area of patients with early-stage Alzheimers disease (AD). We summarize here how NPD1 elicits neuroprotection by up-regulating c-REL, a nuclear factor (NF)-kappaB subtype that, in turn, enhances expression of BIRC3 (baculoviral IAP repeat-containing protein 3, or cIAP2) in retinal cells...
June 14, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28615071/survivin-expression-pattern-in-the-intestine-of-normoxic-and-ischemic-rats
#9
Alexandra Scheer, Shirley K Knauer, Rabea Verhaegh
BACKGROUND: Survivin, a member of the inhibitor of apoptosis protein (IAP) family, regulates mitosis and chromosome segregation. The expression of survivin proceeds during embryonic development and in addition has already been demonstrated in cancer cells. However, there is also evidence of survivin expression in differentiated tissues, including the gastro-intestinal tract of adult rats. A study with human colon specimens exhibited survivin in most basal crypt epithelial cells of normal mucosa...
June 14, 2017: BMC Gastroenterology
https://www.readbyqxmd.com/read/28610850/dietary-myo-inositol-deficiency-decreased-the-growth-performances-and-impaired-intestinal-physical-barrier-function-partly-relating-to-nrf2-jnk-e2f4-and-mlck-signaling-in-young-grass-carp-ctenopharyngodon-idella
#10
Shuang-An Li, Wei-Dan Jiang, Lin Feng, Yang Liu, Pei Wu, Jun Jiang, Sheng-Yao Kuang, Ling Tang, Wu-Neng Tang, Yong-An Zhang, Xiao-Qiu Zhou
In this study, we investigated the effects of dietary myo-inositol on the growth and intestinal physical barrier functions of young grass carp (Ctenopharyngodon idella). A total of 540 young grass carp (221.83 ± 0.84 g) were fed six diets containing graded levels of myo-inositol (27.0, 137.9, 286.8, 438.6, 587.7 and 737.3 mg/kg) for 10 weeks. After the growth trial, fish were challenged with Aeromonas hydrophila for 14 days. The results indicated that compared with optimal myo-inositol levels, myo-inositol deficiency (27...
June 10, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28607211/consensus-statement-of-the-indian-academy-of-pediatrics-on-newborn-hearing-screening
#11
Abraham Paul, Chhaya Prasad, S S Kamath, Samir Dalwai, M K C Nair, Waheeda Pagarkar
JUSTIFICATION: Hearing impairment is one of the most critical sensory impairments with significant social and psychological consequences. Reported incidence of congenital hearing loss is 30 per 10,000 children. Evidence-based, standardized national guidelines are needed for professionals to screen for hearing impairment during the neonatal period. PROCESS: The meeting on formulation of national consensus guidelines on developmental disorders was organized by Indian Academy of Pediatrics in Mumbai, on 18th and 19th December, 2015...
June 4, 2017: Indian Pediatrics
https://www.readbyqxmd.com/read/28607091/selective-replication-of-oncolytic-virus-m1-results-in-a-bystander-killing-effect-that-is-potentiated-by-smac-mimetics
#12
Jing Cai, Yuan Lin, Haipeng Zhang, Jiankai Liang, Yaqian Tan, Webster K Cavenee, Guangmei Yan
Oncolytic virotherapy is a treatment modality that uses native or genetically modified viruses that selectively replicate in and kill tumor cells. Viruses represent a type of pathogen-associated molecular pattern and thereby induce the up-regulation of dozens of cytokines via activating the host innate immune system. Second mitochondria-derived activator of caspases (Smac) mimetic compounds (SMCs), which antagonize the function of inhibitor of apoptosis proteins (IAPs) and induce apoptosis, sensitize tumor cells to multiple cytokines...
June 12, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28601699/apoptotic-induction-mediated-p53-mechanism-and-caspase-3-activity-by-novel-promising-cyanoacrylamide-derivatives-in-breast-carcinoma
#13
Magda F Mohamed, Noha Samir, Aya Ali, Nawal Ahmed, Yassmen Ali, Sarah Aref, Omnia Hossam, Mervat S Mohamed, Amr M Abdelmoniem, Ismail A Abdelhamid
New cyanoacrylamide derivatives were theoretically examined for their binding abilities to a protein model of apoptosis inhibitor proteins x-IAP and c-IAP1 using molecular modeling. The two compounds 5a and 5b proved promising IAP antagonists, where they have good binding affinity toward the selected active domains. Anticancer activity of all derivatives was performed on different human cancer cell lines (HCT116, Caco2, and MCF7) as well as normal line (HBF4). Data revealed that breast carcinoma was more sensitive to the novel compounds than other lines especially compounds 5a and 5b, but all derivatives lost their cytotoxic effect in case of Caco2 cell line and they showed low cytotoxic effect toward HCT116 cells except compound 3...
June 1, 2017: Bioorganic Chemistry
https://www.readbyqxmd.com/read/28600193/functional-and-molecular-responses-of-the-blue-mussel-mytilus-edulis-hemocytes-exposed-to-cadmium-an-in-vitro-model-and-transcriptomic-approach
#14
Philippine Granger Joly de Boissel, Michel Fournier, Juan Carlos Rodriguez-Lecompte, Patty McKenna, Frederick Kibenge, Ahmed Siah
The bivalve mollusk, Mytilus edulis, is used as a sentinel species in several monitoring programs due to its ability to bio-accumulate contaminants. Its immune system consists of hemocytes and humoral components, which constitute the main part of the hemolymph. The present study is aimed at understanding the effects of Cd on the differentially expressed genes involved in the phagocytosis of M. edulis' hemocytes. Our approach focuses on an in vitro model by exposing hemocytes to different concentrations of Cd ranging from 10(-9) M to 10(-3) M...
June 6, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28594553/development-of-protein-degradation-inducers-of-androgen-receptor-by-conjugation-of-androgen-receptor-ligands-and-inhibitor-of-apoptosis-protein-ligands
#15
Norihito Shibata, Katsunori Nagai, Yoko Morita, Osamu Ujikawa, Nobumichi Ohoka, Takayuki Hattori, Ryokichi Koyama, Osamu Sano, Yasuhiro Imaeda, Hiroshi Nara, Nobuo Cho, Mikihiko Naito
Targeted protein degradation using small molecules is a novel strategy for drug development. We have developed hybrid molecules named specific and nongenetic inhibitor of apoptosis protein [IAP]-dependent protein erasers (SNIPERs) that recruit IAP ubiquitin ligases to degrade target proteins. Here, we show novel SNIPERs capable of inducing proteasomal degradation of the androgen receptor (AR). Through derivatization of the SNIPER(AR) molecule at the AR ligand and IAP ligand and linker, we developed 42a (SNIPER(AR)-51), which shows effective protein knockdown activity against AR...
June 23, 2017: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28589091/when-is-thyroidectomy-the-right-choice-comparison-between-fine-needle-aspiration-and-final-histology-in-a-single-institution-experience
#16
Francesco Quaglino, Valentina Marchese, Enrico Mazza, Cristina Gottero, Riccardo Lemini, Stefano Taraglio
OBJECTIVES: The aim of this study was to compare SIAPEC-IAP-based cytological reports with their corresponding histological diagnoses to establish when thyroidectomy is the right choice in the management of thyroid diseases. STUDY DESIGN: This is a retrospective review of all the consecutive thyroidectomies/lobectomies performed at Maria Vittoria Hospital during the 10-year period between January 2005 and December 2015. Patients who underwent both fine-needle aspiration (FNA) and surgical procedures in our institution were included in the study...
April 2017: European Thyroid Journal
https://www.readbyqxmd.com/read/28586754/enantiomerically-pure-%C3%AE-dipeptide-derivative-induces-anticancer-activity-against-human-hormone-refractory-prostate-cancer-through-both-pi3k-akt-dependent-and-independent-pathways
#17
Mei-Ling Chan, Chia-Chun Yu, Jui-Ling Hsu, Wohn-Jenn Leu, She-Hung Chan, Lih-Ching Hsu, Shih-Ping Liu, Polina M Ivantcova, Özdemir Dogan, Stefan Bräse, Konstantin V Kudryavtsev, Jih-Hwa Guh
The use of peptides that target cancer cells and induce anticancer activities through various mechanisms is developing as a potential anticancer strategy. KUD983, an enantiomerically pure β-dipeptide derivative, displays potent activity against hormone-refractory prostate cancer (HRPC) PC-3 and DU145 cells with submicromolar IC50. KUD983 induced G1 arrest of the cell cycle and subsequent apoptosis associated with down-regulation of several related proteins including cyclin D1, cyclin E and Cdk4, and the de-phosphorylation of RB...
May 20, 2017: Oncotarget
https://www.readbyqxmd.com/read/28577912/targeting-survivin-for-therapeutic-discovery-past-present-and-future-promises
#18
REVIEW
Robert C Peery, Jing-Yuan Liu, Jian-Ting Zhang
Survivin, the smallest member of the inhibitor of apoptosis protein (IAP) family, is overexpressed in cells of almost all cancers but not in most normal tissues in adults. Survivin expression is required for cancer cell survival and knocking down its expression or inhibiting its function using molecular approaches results in spontaneous apoptosis. Thus, survivin is an attractive and perhaps ideal target for cancer drug discovery. However, a US Food and Drug Administration (FDA)-approved drug targeting survivin has yet to emerge...
May 31, 2017: Drug Discovery Today
https://www.readbyqxmd.com/read/28556300/development-of-protein-degradation-inducers-of-oncogenic-bcr-abl-protein-by-conjugation-of-abl-kinase-inhibitors-and-iap-ligands
#19
Norihito Shibata, Naoki Miyamoto, Katsunori Nagai, Kenichiro Shimokawa, Tomoya Sameshima, Nobumichi Ohoka, Takayuki Hattori, Yasuhiro Imaeda, Hiroshi Nara, Nobuo Cho, Mikihiko Naito
Chromosomal translocation occurs in some cancer cells, which results in the expression of aberrant oncogenic fusion proteins that include BCR-ABL in chronic myelogenous leukemia (CML). Inhibitors of ABL tyrosine kinase such as imatinib and dasatinib exhibit remarkable therapeutic effects, though emergence of drug resistance hampers the therapy during long-term treatment. An alternative approach to treat CML is to down-regulate the BCR-ABL protein. We have devised a protein knockdown system by hybrid molecules named SNIPERs (Specific and Non-genetic inhibitor of apoptosis protein [IAP]-dependent Protein Erasers), which is designed to induce IAP-mediated ubiquitylation and proteasomal degradation of target proteins, and a couple of SNIPER(ABL) against BCR-ABL protein has been developed recently...
May 26, 2017: Cancer Science
https://www.readbyqxmd.com/read/28542388/targeted-dna-methylation-in-pericentromeres-with-genome-editing-based-artificial-dna-methyltransferase
#20
Taiga Yamazaki, Yu Hatano, Tetsuya Handa, Sakiko Kato, Kensuke Hoida, Rui Yamamura, Takashi Fukuyama, Takayuki Uematsu, Noritada Kobayashi, Hiroshi Kimura, Kazuo Yamagata
To study the impact of epigenetic changes on biological functions, the ability to manipulate the epigenetic status of certain genomic regions artificially could be an indispensable technology. "Epigenome editing" techniques have gradually emerged that apply TALE or CRISPR/Cas9 technologies with various effector domains isolated from epigenetic code writers or erasers such as DNA methyltransferase, 5-methylcytosine oxidase, and histone modification enzymes. Here we demonstrate that a TALE recognizing a major satellite, consisting of a repeated sequence in pericentromeres, could be fused with the bacterial CpG methyltransferase, SssI...
2017: PloS One
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