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https://www.readbyqxmd.com/read/28526335/the-spider-toxin-ph%C3%AE-1%C3%AE-recombinant-possesses-strong-analgesic-activity
#1
Flavia Karine Rigo, Gabriela Trevisan, Samira Dal-Toé De Prá, Marta Nascimento Cordeiro, Marcia Helena Borges, Juliana Figueiredo Silva, Flavia Viana Santa Cecilia, Alessandra Hubner de Souza, Gabriela de Oliveira Adamante, Alessandra Marcon Milioli, Célio José de Castro Junior, Juliano Ferreira, Marcus Vinicius Gomez
The native Phα1β - a Voltage-Gated Calcium Channel (VGCC) blocker - and its Recombinant Version - were both tested in rodent pain models with an intraplantar injections of capsaicin or formalin, a chronic constriction injury, and melanoma cancer related pain. The formalin nociceptive behaviour in the neurogenic phase was not affected by the toxin pre-treatments, while in the inflammatory phase, Phα1β and the Recombinant form caused a significant reduction. The nociception that was triggered by capsaicin, an agonist of the TRPV1 vanilloid receptor, was totally blocked by 100 pmol/site, i...
May 17, 2017: Toxicon: Official Journal of the International Society on Toxinology
https://www.readbyqxmd.com/read/28511883/a-prostate-cancer-nimbosus-genomic-instability-and-schlap1-dysregulation-underpin-aggression-of-intraductal-and-cribriform-subpathologies
#2
Melvin L K Chua, Winnie Lo, Melania Pintilie, Jure Murgic, Emilie Lalonde, Vinayak Bhandari, Osman Mahamud, Anuradha Gopalan, Charlotte F Kweldam, Geert J L H van Leenders, Esther I Verhoef, Agnes Marije Hoogland, Julie Livingstone, Alejandro Berlin, Alan Dal Pra, Alice Meng, Junyan Zhang, Michèle Orain, Valérie Picard, Hélène Hovington, Alain Bergeron, Louis Lacombe, Yves Fradet, Bernard Têtu, Victor E Reuter, Neil Fleshner, Michael Fraser, Paul C Boutros, Theodorus H van der Kwast, Robert G Bristow
BACKGROUND: Intraductal carcinoma (IDC) and cribriform architecture (CA) represent unfavorable subpathologies in localized prostate cancer. We recently showed that IDC shares a clonal ancestry with the adjacent glandular adenocarcinoma. OBJECTIVE: We investigated for the co-occurrence of "aggression" factors, genomic instability and hypoxia, and performed gene expression profiling of these tumors. DESIGN, SETTING, AND PARTICIPANTS: A total of 1325 men were treated for localized prostate cancer from four academic institutions (University Health Network, CHU de Québec-Université Laval, Memorial Sloan Kettering Cancer Center [MSKCC], and Erasmus Medical Center)...
May 13, 2017: European Urology
https://www.readbyqxmd.com/read/28506271/agrobiodiversity-and-in-situ-conservation-in-ethnic-minority-communities-of-xishuangbanna-in-yunnan-province-southwest-china
#3
Shicai Shen, Gaofeng Xu, Diyu Li, David Roy Clements, Fudou Zhang, Guimei Jin, Jianyong Wu, Pingfang Wei, Song Lin, Dayuan Xue
BACKGROUND: Xishuangbanna of Yunnan Province, southwest of China belongs to a global biodiversity and cultural hotspot. Agrobiodiversity plays an essential role in local livelihoods and traditional culture in the region. However, preliminary studies suggest that diversity of crop plants and livestock species is declining. We hypothesized that agrobiodiversity and traditional means of preserving agrobiodiversity are threatened because of changes in government policy in favor of commercial plantations, land use change and changes in traditional agricultural practices...
May 15, 2017: Journal of Ethnobiology and Ethnomedicine
https://www.readbyqxmd.com/read/28501955/a-case-of-arteriovenous-fistula-of-the-cauda-equina-fed-by-the-proximal-radicular-artery-anatomical-features-and-treatment-precautions
#4
Satoru Tanioka, Naoki Toma, Hiroshi Sakaida, Yasuyuki Umeda, Hidenori Suzuki
PURPOSE: Arteriovenous fistula (AVF) of the cauda equina (CE) fed by the proximal radicular artery (PRA) is very rare, and the differentiation from that of the filum terminale (FT) is important to avoid treatment-related injury to the CE when endovascular treatment is selected. The authors describe a case of AVF of the CE fed by the PRA, demonstrate the anatomical features and discuss the treatment precautions. METHODS: A 69-year-old man presented with a transient weakness of lower limbs...
May 13, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28489732/assessment-of-nevirapine-prophylactic-and-therapeutic-dosing-regimens-for-neonates
#5
Tim R Cressey, Baralee Punyawudho, Sophie Le Coeur, Gonzague Jourdain, Chalermpong Saenjum, Edmund Capparelli, Kanokwan Jittayanun, Siriluk Phanomcheong, Anita Luvira, Thitiporn Borkird, Achara Puangsombat, Leon Aarons, Pra-Ornsuda Sukrakanchana, Saik Urien, Marc Lallemant
BACKGROUND: Nevirapine (NVP) is a key component of antiretroviral prophylaxis and treatment for neonates. We evaluated current WHO weight-band NVP prophylactic dosing recommendations and investigated optimal therapeutic NVP dosing for neonates. METHODS: The PHPT-5 study in Thailand assessed the efficacy of 'Perinatal Antiretroviral Intensification' to prevent mother-to-child transmission of HIV in women with <8 weeks of antiretroviral treatment before delivery (NCT01511237)...
May 9, 2017: Journal of Acquired Immune Deficiency Syndromes: JAIDS
https://www.readbyqxmd.com/read/28489277/pancreas-after-islet-pai-transplantation-in-non-uremic-type-1-diabetes-a-strategy-for-restoring-durable-insulin-independence
#6
S A Wisel, J M Gardner, G R Roll, J Harbell, C E Freise, S Feng, S M Kang, R Hirose, D B Kaufman, A Posselt, P G Stock
Islet transplantation offers a minimally-invasive approach for beta cell replacement in diabetic patients with hypoglycemic unawareness. Attempts at insulin independence may require multiple islet re-infusions from distinct donors, thus increasing the risk for allogeneic sensitization. Currently, solid organ pancreas transplant is the only remaining surgical option following failed islet transplantation in the US. However, the immunologic impact of repeated exposure to donor antigens on subsequent pancreas transplantation is unclear...
May 10, 2017: American Journal of Transplantation
https://www.readbyqxmd.com/read/28482330/dienogest-inhibits-c-c-motif-chemokine-ligand-20-expression-in-human-endometriotic-epithelial-cells
#7
Shizuka Mita, Masanori Nakakuki, Masayuki Ichioka, Yutaka Shimizu, Masamichi Hashiba, Hiroyasu Miyazaki, Satoru Kyo
OBJECTIVE: C-C motif chemokine ligand 20 is thought to contribute to the development of endometriosis by recruiting Th17 lymphocytes into endometriotic foci. The present study investigated the effects of dienogest, a progesterone receptor agonist used to treat endometriosis, on C-C motif chemokine ligand 20 expression by endometriotic cells. STUDY DESIGN: Effects of dienogest on mRNA expression and protein secretion of C-C motif chemokine ligand 20 induced by interleukin 1β were assessed in three immortalized endometriotic epithelial cell lines, parental cells (EMosis-CC/TERT1), and stably expressing human progesterone receptor isoform A (EMosis-CC/TERT1/PRA+) or isoform B (EMosis-CC/TERT1/PRA-/PRB+)...
April 29, 2017: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/28474090/t1-2-glottic-cancer-treated-with-radiotherapy-and-or-surgery
#8
Mohamed Shelan, Lukas Anschuetz, Adrian D Schubert, Beat Bojaxhiu, Alan Dal Pra, Frank Behrensmeier, Daniel M Aebersold, Roland Giger, Olgun Elicin
BACKGROUND: The optimal treatment strategy for stage I-II glottic squamous cell carcinoma (SCC) is not well-defined. This study analyzed treatment results and prognostic factors. PATIENTS AND METHODS: This is a single-institution retrospective analysis of 244 patients with T1-2 glottic SCC who underwent normofractionated radiotherapy (RT) and/or surgery between 1990 and 2013. The primary endpoint was relapse-free survival (RFS). RESULTS: Median age was 65 years (range: 36-92 years), the majority (82%) having stage I disease...
May 4, 2017: Strahlentherapie und Onkologie: Organ der Deutschen Röntgengesellschaft ... [et Al]
https://www.readbyqxmd.com/read/28473749/amyloid-%C3%AE-exposed-human-astrocytes-overproduce-phospho-tau-and-overrelease-it-within-exosomes-effects-suppressed-by-calcilytic-nps-2143-further-implications-for-alzheimer-s-therapy
#9
Anna Chiarini, Ubaldo Armato, Emanuela Gardenal, Li Gui, Ilaria Dal Prà
The two main drivers of Alzheimer's disease (AD), amyloid-β (Aβ) and hyperphosphorylated Tau (p-Tau) oligomers, cooperatively accelerate AD progression, but a hot debate is still ongoing about which of the two appears first. Here we present preliminary evidence showing that Tau and p-Tau are expressed by untransformed cortical adult human astrocytes in culture and that exposure of such cells to an Aβ42 proxy, Aβ25-35, which binds the calcium-sensing receptor (CaSR) and activates its signaling, significantly increases intracellular p-Tau levels, an effect CaSR antagonist (calcilytic) NPS 2143 wholly hinders...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/28472915/nanotechnology-a-promising-tool-towards-wound-healing
#10
Thaís Alberti, Daniela S Coelho, Ana Voytena, Heloísa Pitz, Manuel de Prá, Letícia Mazzarino, Shirley Kuhnen, Rosa Maria Ribeiro-do-Valle, Marcelo Maraschin, Beatriz Veleirinho
Nanotechnology is an exciting emerging field with multiple applications in skin regeneration. Nanofibers have gained special attention in skin regeneration based on their structural similarity to the extracellular matrix. A wide variety of polymeric nanofibers with distinct properties have been developed and tested as scaffolds for skin regeneration. Besides providing support for tissue repair, nanofibrous materials can act as delivery systems for drugs, proteins, growth factors, and other molecules. Moreover, the morphology, biodegradability, and other functionalities of nanofibrous materials can be controlled towards specific conditions of wound healing...
May 3, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28455519/calcium-sensing-receptor-antagonist-nps-2143-restores-amyloid-precursor-protein-physiological-non-amyloidogenic-processing-in-a%C3%AE-exposed-adult-human-astrocytes
#11
Anna Chiarini, Ubaldo Armato, Daisong Liu, Ilaria Dal Prà
Physiological non-amyloidogenic processing (NAP) of amyloid precursor holoprotein (hAPP) by α-secretases (e.g., ADAM10) extracellularly sheds neurotrophic/neuroprotective soluble (s)APPα and precludes amyloid-β peptides (Aβs) production via β-secretase amyloidogenic processing (AP). Evidence exists that Aβs interact with calcium-sensing receptors (CaSRs) in human astrocytes and neurons, driving the overrelease of toxic Aβ42/Aβ42-os (oligomers), which is completely blocked by CaSR antagonist (calcilytic) NPS 2143...
April 28, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28451590/molecular-signaling-of-progesterone-growth-hormone-wnt-and-her-in-mammary-glands-of-dogs-rodents-and-humans-new-treatment-target-identification
#12
REVIEW
Elpetra P M Timmermans-Sprang, Ana Gracanin, Jan A Mol
Mammary tumors are the most common form of neoplasia in the bitch. Female dogs are protected when they are spayed before the first estrus cycle, but this effect readily disappears and is already absent when dogs are spayed after the second heat. As the ovaries are removed during spaying, ovarian steroids are assumed to play an essential role in tumor development. The sensitivity toward tumor development is already present during early life, which may be caused by early mutations in stem cells during the first estrus cycles...
2017: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/28446827/effects-of-various-pr%C3%A4-%C3%A1-%C3%A4-y%C3%A4-ma-on-cardiovascular-and-autonomic-variables
#13
REVIEW
L Nivethitha, A Mooventhan, N K Manjunath
Cardiovascular functions are controlled by neural factors, temperature, hormones, etc., Of these, neural factors primarily concern the autonomic nervous system, which plays a major role in maintaining and regulating cardiac functions, e.g., blood pressure and heart rate. Prāṇāyāma is one of the most important yogic practices. There are various review articles on Yoga and its effects but, though Prāṇāyāma is a part of yoga, there is lack of review articles. To the best of our knowledge there is no known review article on effect of various Prāṇāyāma on cardiovascular and autonomic variables...
October 2016: Ancient Science of Life
https://www.readbyqxmd.com/read/28444979/false-negative-single-antigen-bead-assay-is-it-always-an-effect-of-prozone
#14
Dharmendra Jain, Jui Choudhuri, Rajni Chauhan, Pranav Dorwal, Deepak Sharma, Aseem K Tiwari, Vimarsh Raina
BACKGROUND: Bead based flow cytometry and Luminex play a major role in identification of alloantibodies in renal transplant work-up. Strong sensitization events may lead to prozone phenomenon that can affect single antigen bead (SAB) assay and result in false negativity. However, this can also be due to high titer of other blocking antibodies. While methods like, heat inactivation, C1 inhibitor, Ethylene diamine tetra-acetic-acid and Dithio threitol treatment can remove interfering antibodies of complement and IgM, these methods are not optimal if false negativity is due to prozone effect, which is high titer of antibodies alone...
April 26, 2017: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/28435327/effect-of-menopause-on-hormonal-receptors-in-ampullae-of-the-fallopian-tube-with-a-special-reference-to-the-p53-signature
#15
Rie Urabe, Toru Hachisuga, Taeko Ueda, Toshinori Kawagoe, Tomoko Kurita, Seiji Kagami, Masanori Hisaoka, Yoshihisa Fujino
OBJECTIVES: Age-related changes in the expression of hormonal receptors have not been well examined in the fallopian tube (FT). We herein report the effect of menopause on the hormone receptors in ampullae of the FTs (AFTs), in comparison with cortical inclusion cysts (CICs) of the ovary. METHODS: A total of 84 AFTs and 16 fimbriae of FTs, which were obtained from 26 premenopausal and 58 postmenopausal women; and 27 postmenopausal CICs were immunohistochemically studied for the expression of p53, Ki-67, estrogen receptor-alpha (ER-α), and progesterone receptor A (PRA)...
2017: International Journal of Women's Health
https://www.readbyqxmd.com/read/28432057/imaging-and-modeling-of-acute-pressure-induced-changes-of-collagen-and-elastin-microarchitectures-in-pig-and-human-resistance-arteries
#16
Maria Bloksgaard, Thomas M Leurgans, Bart Spronck, Maarten Hg Heusinkveld, Bjarne Thorsted, Kristoffer Rosenstand, Inger Nissen, Ulla Melchior Hansen, Jonathan R Brewer, Luis A Bagatolli, Lars M Rasmussen, Akhmadjon Irmukhamedov, Koen D Reesink, Jo G R De Mey
The impact of disease related changes in the extracellular matrix (ECM) on the mechanical properties of human resistance arteries largely remains to be established. Resistance arteries from both pig and human parietal pericardium (PRA) display a different ECM microarchitecture compared to frequently used rodent mesenteric arteries. We hypothesized that the biaxial mechanics of PRA mirror pressure induced changes in the ECM microarchitecture. This was tested using isolated pig PRA as model system, integrating vital imaging, pressure myography and mathematical modeling...
April 21, 2017: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/28412861/the-association-between-progestins-nuclear-receptors-expression-and-inflammation-in-endometrial-stromal-cells-from-women-with-endometriosis
#17
Giovanni Grandi, Michael D Mueller, Nick A Bersinger, Fabio Facchinetti, Brett D McKinnon
Endometriosis is an inflammatory disease and nuclear receptors play a crucial role in mediating the inflammatory response. In endometrial stromal cells (ESC), nuclear receptors expression can be influenced by the local environment. Progestins are first-line, on-label treatments of endometriosis that may have direct effects on endometriotic lesions through these nuclear receptors. Therefore, we investigated whether there was an association between nuclear receptors expression and the influence of progestins on inflammatory cytokines production in a preliminary, in vitro study with primary cultures...
April 17, 2017: Gynecological Endocrinology
https://www.readbyqxmd.com/read/28411317/race-obesity-and-the-renin-angiotensin-aldosterone-system-treatment-response-in-children-with-primary-hypertension
#18
Andrew M South, Lester Arguelles, Gal Finer, Craig B Langman
BACKGROUND: Pediatric primary hypertension (HTN) is increasingly recognized, but the effect of patient characteristics such as obesity and race on treatment outcomes is not well described. The renin-angiotensin-aldosterone system (RAAS) may also contribute to HTN. We hypothesized patient parameters of these factors, including baseline RAAS, influence blood pressure (BP) response to pharmacological treatment in HTN. METHODS: This was a retrospective cohort of 102 consecutive patients with HTN...
April 14, 2017: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
https://www.readbyqxmd.com/read/28411074/low-dose-sustained-release-deoxycorticosterone-acetate-induced-hypertension-in-bama-miniature-pigs-for-renal-sympathetic-nerve-denervation
#19
Wenzheng Han, Weiyi Fang, Qian Gan, Shaofeng Guan, Yanjie Li, Ming Wang, Kaizheng Gong, Xinkai Qu
Recently, the effectiveness of renal sympathetic nerve denervation for treatment of hypertension has been doubted after SYMPLICITY HTN-3 trial. An ideal animal model is still unavailable for preclinical study about catheter-based renal sympathetic nerve denervation for treatment of hypertension. Traditional high-dose deoxycorticosterone acetate (DOCA)-induced hypertension pig model has some problems due to extensive end-organ damage. Based on the similarity in the anatomic characteristics of renal artery between pigs and humans, this study was undertaken to establish a low-dose sustained-release DOCA-induced hypertension model in pigs...
March 2, 2017: Journal of the American Society of Hypertension: JASH
https://www.readbyqxmd.com/read/28406670/latent-difference-score-modeling-a-flexible-approach-for-studying-informant-discrepancies
#20
Amaranta de Haan, Peter Prinzie, Miranda Sentse, Joran Jongerling
The current study proposes a flexible approach to studying informant discrepancies: Latent Difference Scores modeling (LDS). The LDS approach is demonstrated using an empirical example in which associations between mother-adolescent and father-adolescent discrepant parenting perceptions, and concurrent and later adolescent externalizing behaviors, were investigated. Early adolescents (N = 477, aged 12-15 years), mothers (N = 470), and fathers (N = 440) filled out questionnaires about mothers' and fathers' parenting...
April 13, 2017: Psychological Assessment
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