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https://www.readbyqxmd.com/read/28431890/which-facilitates-the-evolution-of-cooperation-more-retaliation-or-persistence
#1
Shun Kurokawa
The existence of cooperation in this world is a mysterious phenomenon. One of the mechanisms that explain the evolution of cooperation is repeated interaction. If interactions between the same individuals repeat and individuals cooperate conditionally, cooperation can evolve. A previous study pointed out that if individuals have persistence (i.e., imitate its "own" behavior in the last move), cooperation can evolve. However, retaliation and persistence are not mutually exclusive decisions, but rather a trade-off in the decision making process of individuals...
April 18, 2017: Mathematical Biosciences
https://www.readbyqxmd.com/read/28431565/traditional-birth-attendant-reorientation-and-motherpacks-incentive-s-effect-on-health-facility-delivery-uptake-in-narok-county-kenya-an-impact-analysis
#2
John Emmanuel Kitui, Vaughan Dutton, Dirk Bester, Rachel Ndirangu, Susan Wangai, Stephen Ngugi
BACKGROUND: A community health programme in Narok County in Kenya aimed to improve skilled birth assistance during childbirth through two demand side interventions. First, traditional birth attendants (TBAs) were co-opted into using their influence to promote use of skilled birth attendants (SBAs) at health facilities during delivery, and to accompany pregnant women to health facilities in return for a Ksh500 (Approximately USD5 as of August 2016) cash incentive for each pregnant mother they accompanied...
April 21, 2017: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/28431482/nanozyme-applications-in-biology-and-medicine-an-overview
#3
Jafar Golchin, Kazem Golchin, Neda Alidadian, Shahrooz Ghaderi, Sajjad Eslamkhah, Masoud Eslamkhah, Abolfazl Akbarzadeh
Nanozymes, in nature, are artificial enzymes. Innovated by Ronald Breslow to mimic enzymes. Nanozymes have widespread applications including targeted cancer therapy, diagnostic medicine and bio-sensing even environmental toxicology. However, these applications are a novel research field in biomedicine, but are growing fast. Enzyme-based applications such as immune-absorbent assay (ELIZA) are expensive because of the complexity of producing enzymes and antibodies. Not only, some nanoparticles can mimic these enzymes such as superoxides, but also they can manipulate biological pathways directly like autophagy...
April 21, 2017: Artificial Cells, Nanomedicine, and Biotechnology
https://www.readbyqxmd.com/read/28430163/long-non-coding-rnas-key-regulators-of-epithelial-mesenchymal-transition-tumour-drug-resistance-and-cancer-stem-cells
#4
REVIEW
Richard Heery, Stephen P Finn, Sinead Cuffe, Steven G Gray
Epithelial mesenchymal transition (EMT), the adoption by epithelial cells of a mesenchymal-like phenotype, is a process co-opted by carcinoma cells in order to initiate invasion and metastasis. In addition, it is becoming clear that is instrumental to both the development of drug resistance by tumour cells and in the generation and maintenance of cancer stem cells. EMT is thus a pivotal process during tumour progression and poses a major barrier to the successful treatment of cancer. Non-coding RNAs (ncRNA) often utilize epigenetic programs to regulate both gene expression and chromatin structure...
April 21, 2017: Cancers
https://www.readbyqxmd.com/read/28428832/a-meta-analysis-testing-eusocial-co-option-theories-in-termite-gut-physiology-and-symbiosis
#5
Michael E Scharf, Yunpeng Cai, Yijun Sun, Ruchira Sen, Rhitoban Raychoudhury, Drion G Boucias
The termite gut accomplishes key physiologic functions that underlie termite symbiosis and sociality. However, potential candidate functions of the host-symbiont holobiome have not yet been explored across seemingly divergent processes such as digestion, immunity, caste differentiation, and xenobiotic tolerance. This study took a meta-analysis approach for concurrently studying host and symbiont gut metatranscriptome responses of the lower termite Reticulitermes flavipes, which has ancestral characteristics and hosts a diverse mix of eukaryotic and bacterial symbionts...
2017: Communicative & Integrative Biology
https://www.readbyqxmd.com/read/28428159/development-of-a-culturally-tailored-text-message-maternal-health-program-textmatch
#6
Rosie Dobson, Robyn Whittaker, Hannah Bartley, Augusta Connor, Ruyan Chen, Mairead Ross, Judith McCool
BACKGROUND: Mobile phones are increasingly being used to deliver health information and health services globally. Mobile health (mHealth) interventions may be well-suited for minority groups with greater barriers to accessing traditional health services. However, little has been written about the process of culturally adapting interventions for multiple ethnic and cultural minorities within a population. OBJECTIVE: This study describes the process of developing a culturally tailored text message-based maternal health program (TextMATCH: Text for MATernal and Child Health) for Māori, Pacific, Asian, and South Asian families living in New Zealand...
April 20, 2017: JMIR MHealth and UHealth
https://www.readbyqxmd.com/read/28425150/genetic-basis-for-soma-is-present-in-undifferentiated-volvocine-green-algae
#7
Zachariah I Grochau-Wright, Erik R Hanschen, Patrick J Ferris, Takashi Hamaji, Hisayoshi Nozaki, Bradley J S C Olson, Richard E Michod
Somatic cellular differentiation plays a critical role in the transition from unicellular to multicellular life, but the evolution of its genetic basis remains poorly understood. By definition somatic cells do not reproduce to pass on genes and so constitute an extreme form of altruistic behavior. The volvocine green algae provide an excellent model system to study the evolution of multicellularity and somatic differentiation. In Volvox carteri, somatic cell differentiation is controlled by the regA gene, which is part of a tandem duplication of genes known as the reg cluster...
April 20, 2017: Journal of Evolutionary Biology
https://www.readbyqxmd.com/read/28425026/photosynthetic-responses-to-temperature-across-leaf-canopy-ecosystem-scales-a-15-year-study-in-a-californian-oak-grass-savanna
#8
Siyan Ma, Jessica L Osuna, Joseph Verfaillie, Dennis D Baldocchi
Ecosystem CO2 fluxes measured with eddy-covariance techniques provide a new opportunity to retest functional responses of photosynthesis to abiotic factors at the ecosystem level, but examining the effects of one factor (e.g., temperature) on photosynthesis remains a challenge as other factors may confound under circumstances of natural experiments. In this study, we developed a data mining framework to analyze a set of ecosystem CO2 fluxes measured from three eddy-covariance towers, plus a suite of abiotic variables (e...
April 19, 2017: Photosynthesis Research
https://www.readbyqxmd.com/read/28424145/-we-didn-t-have-to-dance-around-it-opt-out-hiv-testing-among-homeless-and-marginalised-patients
#9
Stacy Leidel, Gavin Leslie, Duncan Boldy, Andrew Davies, Sonya Girdler
This study explored opt-out HIV testing in an Australian general practice. The aims were to: (1) determine the effect of the opt-out approach on the number of HIV tests performed; and (2) explore the acceptability of opt-out HIV testing from the healthcare providers' perspective. A prospective mixed-methods study of opt-out HIV testing over a 2-year period (March 2014-March 2016) was conducted. Implementation was based on a theoretical framework that was developed specifically for this study. The setting was Homeless Healthcare, a health service in Perth, Western Australia...
April 20, 2017: Australian Journal of Primary Health
https://www.readbyqxmd.com/read/28423981/post-partum-follow-up-of-women-with-gestational-diabetes-mellitus-effectiveness-determinants-and-barriers
#10
Saleha Aziz, Tazeen Fatima Munim, Syeda Sadia Fatima
BACKGROUND: Despite the recommendations for postpartum blood glucose monitoring post gestational diabetes mellitus (GDM); scientific evidence reveals that these recommendations may not be fully complied to. This study aimed to follow-up women up to two years post-delivery with pregnancies complicated by GDM and healthy controls to assess this fact. METHODS: Women with GDM (n = 78) and normal glucose tolerant (n = 89) delivered in 2014 were followed up for two years...
April 19, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28423809/use-of-a-nationwide-personally-controlled-electronic-health-record-by-healthcare-professionals-and-patients-a-case-study-with-the-french-dmp
#11
Brigitte Seroussi, Jacques Bouaud
If the wide adoption of electronic health records (EHRs) is necessary to address health information sharing and care coordination issues, it is not sufficient. In order to address health information sharing, some countries, among which, France, have implemented a centralized framework with "new" nationwide care records. The French DMP is a centralized, nationally shared, electronic medical record, created according to the opt-in model. More than five years after the launching of the DMP project, DMPs have been created for 1...
2017: Studies in Health Technology and Informatics
https://www.readbyqxmd.com/read/28421834/long-term-testosterone-therapy-improves-cardiometabolic-function-and-reduces-risk-of-cardiovascular-disease-in-men-with-hypogonadism
#12
Abdulmaged M Traish, Ahmad Haider, Karim Sultan Haider, Gheorghe Doros, Farid Saad
OBJECTIVES: In the absence of large, prospective, placebo-controlled studies of longer duration, substantial evidence regarding the safety and risk of testosterone (T) therapy (TTh) with regard to cardiovascular (CV) outcomes can only be gleaned from observational studies. To date, there are limited studies comparing the effects of long-term TTh in men with hypogonadism who were treated or remained untreated with T, for obvious reasons. We have established a registry to assess the long-term effectiveness and safety of T in men in a urological setting...
January 1, 2017: Journal of Cardiovascular Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28421373/role-of-glycogen-synthase-kinase-following-myocardial-infarction-and-ischemia-reperfusion
#13
REVIEW
S Ghaderi, N Alidadiani, N Dilaver, H R Heidari, R Parvizi, R Rahbarghazi, J Soleimani-Rad, B Baradaran
Glycogen synthase kinase-3 beta (GSK3β) is principally is a glycogen synthase phosphorylating enzyme that is well known for its role in muscle metabolism. GSK3β is a serine/threonine protein Kinase, which is responsible for several essential roles in mammalian cells. This enzyme is implicated in the pathophysiology of many conditions involved in homeostasis and cellular immigration. GSK3β is involved in several pathways leading to neurodegenerative diseases such as Alzheimer's disease and Parkinson's disease...
April 18, 2017: Apoptosis: An International Journal on Programmed Cell Death
https://www.readbyqxmd.com/read/28421258/-intralabyrinthine-schwannomas-surgical-management-and-hearing-rehabilitation-with-cochlear-implants-german-version
#14
S K Plontke, T Rahne, M Pfister, G Götze, C Heider, N Pazaitis, C Strauss, P Caye-Thomasen, S Kösling
Intralabyrinthine schwannomas (ILS) are a rare differential diagnosis of sudden hearing loss and vertigo. In an own case series of 12 patients, 6 tumors showed an intracochlear, 3 an intravestibular, 1 a transmodiolar including the cerebello-pontine angle (CPA), 1 a transotic including the CPA and 1 a multilocular location. The tumors were removed surgically in 9 patients, whereas 3 patients opted for a "wait-and-test-and-scan" strategy. Of the surgical patients, 3 underwent labyrinthectomy and cochlear implant (CI) surgery in a single stage procedure; 1 patient received extended cochleostomy with CI surgery; 3 underwent partial or subtotal cochleoectomy, with partial cochlear reconstruction and CI surgery (n = 1) or implantation of electrode dummies for possible later CI following repeated MRI follow-up (n = 2); and in 2 patients, the tumors of the internal auditory canal and cerebellopontile angle exhibiting transmodiolar or transmacular growth were removed by combined translabyrinthine-transotic resection...
April 18, 2017: HNO
https://www.readbyqxmd.com/read/28421060/the-heme-metabolite-carbon-monoxide-facilitates-kshv-infection-by-inhibiting-tlr4-signaling-in-endothelial-cells
#15
Sara Botto, Jean K Gustin, Ashlee V Moses
Kaposi sarcoma herpesvirus (KSHV) is the etiologic agent of Kaposi sarcoma (KS) and certain rare B cell lymphoproliferative disorders. KSHV infection of endothelial cells (EC) in vitro increases expression of the inducible host-encoded enzyme heme oxygenase-1 (HO-1), which is also strongly expressed in KS tumors. HO-1 catalyzes the rate-limiting step in the conversion of heme into iron, biliverdin and the gasotransmitter carbon monoxide (CO), all of which share anti-apoptotic, anti-inflammatory, pro-survival, and tumorigenic activities...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28420657/a-neural-basis-for-password-based-species-recognition-in-an-avian-brood-parasite
#16
Kathleen S Lynch, Annmarie Gaglio, Elizabeth Tyler, Joseph Coculo, Matthew I M Louder, Mark E Hauber
Obligate avian brood parasites are raised by heterospecific hosts and therefore, lack critical early exposure to relatives and other conspecifics. Yet, young brood parasites readily recognize and affiliate with others of their own species upon independence. One solution to this social recognition paradox is the ontogenetic password mechanism utilized by obligate parasitic brown-headed cowbirds (Molothrus ater), whereby conspecific identification is initially mediated through the cowbird chatter, a non-learned vocal cue...
April 18, 2017: Journal of Experimental Biology
https://www.readbyqxmd.com/read/28420497/radical-trachelectomy-for-early-stage-cervical-cancer-a-case-series-and-literature-review
#17
Chin-Jui Wu, Wen-Chun Chang, Chi-Hau Chen, Chi-An Chen, Su-Cheng Huang, Bor-Ching Sheu
OBJECTIVE: Radical trachelectomy (RT) is an alternative treatment for preserving fertility in patients with cervical cancer. Because women with operable cervical cancer opting for fertility preservation are scarce, few cases have been reported in Taiwan. Here we report our cases series. MATERIALS AND METHODS: We retrospectively evaluated seven patients who underwent vaginal RT and three patients who underwent abdominal RT in a single medical institute for a median follow-up period of 5 years...
April 2017: Taiwanese Journal of Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28419821/expression-of-the-enzymatically-active-legumain-like-cysteine-proteinase-tvlegu-1-of-trichomonas-vaginalis-in-pichia-pastoris
#18
Gerardo Reséndiz-Cardiel, Rossana Arroyo, Jaime Ortega-López
The legumain-like cysteine proteinase TvLEGU-1 from Trichomonas vaginalis plays a major role in trichomonal cytoadherence. However, its structure-function characterization has been limited by the lack of a reliable recombinant expression platform to produce this protein in its native folded conformation. TvLEGU-1 has been expressed in Escherichia coli as inclusion bodies and all efforts to refold it have failed. Here, we describe the expression of the synthetic codon-optimized tvlegu-1 (tvlegu-1-opt) gene in Pichia pastoris strain X-33 (Mut+) under the inducible AOX1 promoter...
April 15, 2017: Protein Expression and Purification
https://www.readbyqxmd.com/read/28419299/pregnancy-and-labor-complications-in-female-survivors-of-childhood-cancer-the-british-childhood-cancer-survivor-study
#19
Raoul C Reulen, Chloe J Bright, David L Winter, Miranda M Fidler, Kwok Wong, Joyeeta Guha, Julie S Kelly, Clare Frobisher, Angela B Edgar, Roderick Skinner, W Hamish B Wallace, Mike M Hawkins
Background: Female survivors of childhood cancer treated with abdominal radiotherapy who manage to conceive are at risk of delivering premature and low-birthweight offspring, but little is known about whether abdominal radiotherapy may also be associated with additional complications during pregnancy and labor. We investigated the risk of developing pregnancy and labor complications among female survivors of childhood cancer in the British Childhood Cancer Survivor Study (BCCSS). Methods: Pregnancy and labor complications were identified by linking the BCCSS cohort (n = 17 980) to the Hospital Episode Statistics (HES) for England...
November 1, 2017: Journal of the National Cancer Institute
https://www.readbyqxmd.com/read/28416707/distinct-domains-confer-chea-with-unique-functions-in-chemotaxis-and-cell-length-in-azospirillum-brasilense-sp7
#20
Jessica M Gullett, Amber Bible, Gladys Alexandre
Chemotaxis is the movement of cells in response to gradients of diverse chemical cues. Motile bacteria utilize a conserved chemotaxis signal transduction system to bias their motility and navigate through a gradient. A central regulator of chemotaxis is the histidine kinase, CheA. This cytoplasmic protein interacts with membrane-bound receptors, which assemble into large polar arrays, to propagate the signal. In the alphaproteobacterium, Azospirillum brasilense, Che1 controls transient increases in swimming speed during chemotaxis, but it also biases the cell length at division...
April 17, 2017: Journal of Bacteriology
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