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https://www.readbyqxmd.com/read/29440947/psychological-stress-and-breast-cancer-incidence-a-systematic-review
#1
REVIEW
Valentina-Fineta Chiriac, Adriana Baban, Dan L Dumitrascu
Objective: Breast cancer is the world's leading cause of cancer mortality in women. Stress is an imminent risk factor with a documented negative impact on neuro-endocrine and immune system. Numerous epidemiological studies have investigated the link between stress and cancer, reporting contradictory results from no association to a close causal link. The impact of the topic and the lack of conclusion compelled this systematic review. Methods: A systematic review was carried out, including all literature studies from 1966 to 2016, investigating the relationship between stress and the occurrence of breast cancer...
2018: Clujul Medical (1957)
https://www.readbyqxmd.com/read/29425971/competition-stage-influences-perceived-performance-but-does-not-affect-rating-of-perceived-exertion-and-salivary-neuro-endocrine-immune-markers-in-elite-young-basketball-players
#2
Ademir Felipe Schultz de Arruda, Marcelo Saldanha Aoki, Ana Carolina Paludo, Gustavo Drago, Alexandre Moreira
This study examined the effects of competition stage on the salivary concentration of testosterone (T), cortisol (C), alpha-amylase (sAA), and IL-1ß cytokine, perceived performance (PP) and session rating of perceived exertion (session-RPE) in elite youth basketball players (age, 15.8 ± 0.8 yrs.; stature, 190.9 ± 7.9 cm; body mass, 90.0 ± 16.9 kg) from two age-categories (U16; n = 7; U17; n = 7). Two winning playoff matches (FM; playing for the championship; 1 for each age-category) and two winning regular stage matches (RM; 1 for each age category, played against opponents ranked 2nd place), were assessed in the current study...
February 6, 2018: Physiology & Behavior
https://www.readbyqxmd.com/read/29383891/-effects-of-the-acupoint-catgut-embedding-on-nerve-endocrine-immune-network-in-dysmenorrhea-rats
#3
Pan-Bi Chen, Jing Chen, Jin Cui, Xiao-Fang Yang
OBJECTIVE: To explore the underlying mechanism of acupoint catgut embedding in improving primary dysme-norrhea (PD) in rats based on functional activities of the neuro-endocrine-immune (NEI) network. METHODS: Forty female rats were equally randomized into blank control, PD model, medication, and acupoint catgut embedding groups. The PD model was established by subcutaneous injection of estradiol benzoate (0.5 mg/rat on the 1st and 10th d, and 0.2 mg/rat from 2nd to 9th d) and oxytocin (2 U/rat, i.p...
January 25, 2018: Zhen Ci Yan Jiu, Acupuncture Research
https://www.readbyqxmd.com/read/29377285/retrospective-study-on-the-correlation-between-18-fluorodeoxyglucose-uptake-in-positron-emission-tomography-computer-tomography-and-tumor-volume-cytological-activity-as-assessed-with-ki-67-and-glut-1-staining-in-10-cases-of-merkel-cell-carcinoma
#4
S Kitamura, T Yanagi, Y Inamura-Takashima, K Imafuku, H Hata, J Uehara, Y Ishida, A Otsuka, K Hirata, H Shimizu
Merkel cell carcinoma (MCC) is a rare malignant neuro-endocrine tumor of the skin that shows aggressive behavior and has a high tendency for local recurrence and lymph node or distant metastasis.1 Recently, some reports have stated that 18-fluorodeoxyglucose positron emission tomography-computer tomography (FDG PET-CT) is more useful than conventional CT.2, 3 However, the utility of FDG PET-CT for determining the proliferative or metabolic activity of MCC is unclear. In this study, we investigated the correlation between FDG uptake and proliferative of metabolic activity as revealed by PET-CT imaging with Ki-67 immunological staining or GLUT-1 immunological staining in 10 cases of MCC...
January 29, 2018: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/29333681/myotropic-activity-and-immuno-localization-of-selected-neuropeptides-of-the-burying-beetle-nicrophorus-vespilloides-coleoptera-silphidae
#5
Arkadiusz Urbański, Jan Lubawy, Paweł Marciniak, Grzegorz Rosiński
Burying beetles (Nicrophorus sp.) are necrophagous insects with developed parental care. Genome of Nicrophorus vespilloides has been recently sequenced, which makes them interesting model organism in behavioural ecology. However, we know very little about their physiology, including the functioning of their neuro-endocrine system. In this study, one of the physiological activities of proctolin, myosuppressin (Nicve-MS), myoinhibitory peptide (Trica-MIP-5) and the short neuropeptide F (Nicve-sNPF) in N. vespilloides have been investigated...
January 15, 2018: Insect Science
https://www.readbyqxmd.com/read/29322004/thoughts-modulate-the-expression-of-inflammatory-genes-and-may-improve-the-coronary-blood-flow-in-patients-after-a-myocardial-infarction
#6
Carlo Dal Lin, Mariela Marinova, Giorgio Rubino, Elisabetta Gola, Alessandra Brocca, Giorgia Pantano, Laura Brugnolo, Cristiano Sarais, Umberto Cucchini, Biancarosa Volpe, Chiara Cavalli, Maura Bellio, Emilia Fiorello, Sofia Scali, Mario Plebani, Sabino Iliceto, Francesco Tona
Background: Mental stress is one of the main risk factors for cardiovascular disease. Meditation and music listening are two techniques that are able to counteract it through the activation of specific brain areas, eliciting the so-called Relaxing Response (RR). Epidemiological evidence reveals that the RR practice has a beneficial prognostic impact on patients after myocardial infarction. We aimed to study the possible molecular mechanisms of RR underlying these findings. Methods: We enrolled 30 consecutive patients after myocardial infarction and 10 healthy controls...
January 2018: Journal of Traditional and Complementary Medicine
https://www.readbyqxmd.com/read/29299757/benign-tumors-of-the-pancreas-radical-surgery-versus-parenchyma-sparing-local-resection-the-challenge-facing-surgeons
#7
EDITORIAL
Hans G Beger
Pancreaticoduodenectomy and left-sided pancreatectomy are the surgical treatment standards for tumors of the pancreas. Surgeons, who are requested to treat patients with benign tumors, using standard oncological resections, face the challenge of sacrificing pancreatic and extra-pancreatic tissue. Tumor enucleation, pancreatic middle segment resection and local, duodenum-preserving pancreatic head resections are surgical procedures increasingly used as alternative treatment modalities compared to classical pancreatic resections...
January 3, 2018: Journal of Gastrointestinal Surgery: Official Journal of the Society for Surgery of the Alimentary Tract
https://www.readbyqxmd.com/read/29163364/telomere-length-in-preterm-infants-a-promising-biomarker-of-early-adversity-and-care-in-the-neonatal-intensive-care-unit
#8
Livio Provenzi, Giunia Scotto di Minico, Roberto Giorda, Rosario Montirosso
Preterm infants present an immature neurobehavioral profile at birth, even in absence of severe brain injuries and perinatal complications. As such, they require a long-lasting hospitalization in the Neonatal Intensive Care Unit (NICU), which is thought to grant at-risk newborns' survival, but still entails a number of physical, painful, and socio-emotional stressors. Hence, preterm birth and NICU stay represent an early adverse experience, which has been linked to detrimental consequences for neurological, neuro-endocrinal, behavioral, and socio-emotional development, as well as to disease later in life...
2017: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/29142191/immune-neuroendocrine-interactions-evolution-ecology-and-susceptibility-to-illness
#9
Johanna M C Blom, Enzo Ottaviani
The integration between immune and neuroendocrine systems is crucial for maintaining homeostasis from invertebrates to humans. In the first, the phagocytic cell, i.e., the immunocyte, is the main actor, while in the latter, the principle player is the lymphocyte. Immunocytes are characterized by the presence of pro-opiomelanocortin (POMC) peptides, CRH, and other molecules that display a significant similarity to their mammalian counterparts regarding their functions, as both are mainly involved in fundamental functions such as immune (chemotaxis, phagocytosis, cytotoxicity, etc...
November 16, 2017: Medical Science Monitor Basic Research
https://www.readbyqxmd.com/read/29124696/psycho-neuro-endocrine-immunology-a-psychobiological-concept
#10
Katlein França, Torello M Lotti
Psycho-Neuro-Endocrine-Immunology (P.N.E.I.) is a scientific field of study that investigates the link between bidirectional communications among the nervous system, the endocrine system, and the immune system and the correlations of this cross-talk with physical health. The P.N.E.I. innovative medical approach represents a paradigm shift from a strictly biomedical view of health and disease taken as hermetically sealed compartments to a more interdisciplinary one. The key element of P.N.E.I. approach is represented by the concept of bidirectional cross-talk between the psychoneuroendocrine and immune systems...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29098879/regulation-of-circulating-chromogranin-b-levels-in-heart-failure
#11
Felix M Heidrich, Carolin Melz, Mimi S Buechau, Christian Pfluecke, Silvio Quick, Uwe Speiser, David M Poitz, Antje Augstein, Tobias Ruf, Nadine K Wäßnig, Akram Youssef, Ruth H Strasser, Stephan Wiedemann
BACKGROUND: Chromogranin B (CGB) regulates B-type natriuretic peptide (BNP) production. Circulating CGB levels are elevated in heart failure (HF) animal models and HF patients, but also increase in healthy individuals in response to physical activity. Therefore, CGB seems to integrate information from myocardial stress and systemic neuro-endocrine activation. Substantial gaps remain in our understanding of CGB regulation in HF. METHODS AND RESULTS: We conducted a retrospective registry study including 372 patients...
November 3, 2017: Biomarkers: Biochemical Indicators of Exposure, Response, and Susceptibility to Chemicals
https://www.readbyqxmd.com/read/28916515/reversing-thyroid-hormone-mediated-repression-of-a-hsv-1-promoter-via-computationally-guided-mutagenesis
#12
Robert W Figliozzi, Feng Chen, Shaochung V Hsia
Thyroid hormones (TH or T3) and their DNA binding nuclear receptors (TRs), direct transcriptional regulation in diverse ways depending on the host cell environment and specific promoter characteristics of TH sensitive genes. This study sought to elucidate the impact on transcriptional repression of nucleotide sequence/orientation within TR binding sites, TR elements, (TREs) of TH sensitive promoters, to better understand ligand dependent transcriptional repression of wild-type promoters. Computational analysis of the HSV-1 thymidine kinase (TK) gene TRE bound by TR and RXR revealed a single TRE point mutation sufficient to reverse the TRE orientation...
September 15, 2017: Journal of Cell Science
https://www.readbyqxmd.com/read/28910547/diurnal-opposite-variation-between-angiotensinase-activities-in-photo-neuro-endocrine-tissues-of-rats
#13
Germán Domínguez-Vías, Garbiñe Aretxaga-Maza, Isabel Prieto, Juan de Dios Luna, Marc De Gasparo, Manuel Ramírez-Sánchez
Central and peripheral renin-angiotensin systems (RASs) act in a coordinated manner for the physiologic functions regulated by neuroendocrine events. However, whereas the diurnal rhythm of peripheral circulatory and tissue RASs is well known, the circadian behaviour of their components in central photo-neuro-endocrine structures, key elements for the control of circadian rhythms, has been barely studied. In the present study, we analysed the aspartyl- (AspAP) and glutamyl-aminopeptidase (GluAP) (aminopeptidase A) activities, the angiotensinases responsible for the metabolism of Ang I to Ang 2-10 and Ang II to Ang III, respectively, in the retina, anterior hypothalamus and pituitary at different light and dark time-points of a 12:12 h light:dark cycle (7-19 h light), using arylamide derivatives as substrates...
September 14, 2017: Chronobiology International
https://www.readbyqxmd.com/read/28855243/update-on-angiotensin-ii-new-endocrine-connections-between-the-brain-adrenal-glands-and-the-cardiovascular-system
#14
REVIEW
Frans H H Leenen, Mordecai P Blaustein, John M Hamlyn
In the brain, angiotensinergic pathways play a major role in chronic regulation of cardiovascular and electrolyte homeostasis. Increases in plasma angiotensin II (Ang II), aldosterone, [Na+] and cytokines can directly activate these pathways. Chronically, these stimuli also activate a slow neuromodulatory pathway involving local aldosterone, mineralocorticoid receptors (MRs), epithelial sodium channels and endogenous ouabain (EO). This pathway increases AT1R and NADPH oxidase subunits and maintains/further increases the activity of angiotensinergic pathways...
October 2017: Endocrine Connections
https://www.readbyqxmd.com/read/28811081/prognostic-value-of-who-grade-in-pancreatic-neuro-endocrine-tumors-in-multiple-endocrine-neoplasia-type-1-results-from-the-dutchmen1-study-group
#15
Elfi B Conemans, Lodewijk A A Brosens, Gabriela M Raicu-Ionita, Carolina R C Pieterman, Wouter W de Herder, Olaf M Dekkers, Ad R Hermus, Anouk N van der Horst-Schrivers, Peter H Bisschop, Bas Havekes, Madeleine L Drent, H Th Marc Timmers, G Johan Offerhaus, Gerlof D Valk, Menno R Vriens
BACKGROUND: The prognostic value of WHO grade in pancreatic neuroendocrine tumors (PanNETs) in patients with Multiple Endocrine Neoplasia Type 1 (MEN1) is unknown. METHODS: We performed a cohort study using the Dutch National MEN1 database, which includes >90% of the Dutch MEN1 population with data collected between 1990 and 2014. Formalin-fixed paraffin embedded tissue blocks from the largest resected PanNET per patient were collected. MIB1 staining was performed and KI67 labeling index (LI) was determined by manual eye-counting under a microscope and by digital image analysis...
July 31, 2017: Pancreatology: Official Journal of the International Association of Pancreatology (IAP) ... [et Al.]
https://www.readbyqxmd.com/read/28808504/goblet-cell-carcinoid-of-the-appendix-and-mixed-adenoneuroendocrine-carcinoma-report-of-three-cases
#16
Hatice Karaman, Fatma Şenel, Mustafa Güreli, Turan Ekinci, Ömer Topuz
Neuroendocrine neoplasms are the most common epithelial tumors among appendix tumors. Appendix tumors that are completely or partially composed of neuroendocrine cells are divided into two categories: Classic carcinoid tumors and goblet cell carcinoid tumors (GCCT). They are known to progress more aggressively than classic (neuro) endocrine tumors. In this study, three cases with acute appendicitis symptoms are presented, including their clinical and histopathological findings. Microscopic examination detected GCCT in two cases and mixed adenoneuroendocrine carcinoma in one case, in addition to acute appendicitis...
July 15, 2017: World Journal of Gastrointestinal Oncology
https://www.readbyqxmd.com/read/28768698/the-future-medical-advances-in-men1-therapeutic-approaches-and-management-strategies
#17
REVIEW
Rachel S van Leeuwaarde, Joanne M de Laat, Carolina R C Pieterman, Koen Dreijerink, Menno R Vriens, Gerlof D Valk
Multiple endocrine neoplasia type 1 is a rare autosomal inherited disorder associated with a high risk for patients to simultaneously develop tumors of the parathyroid glands, duodenopancreatic neuroendocrine tumors and tumors of the anterior pituitary gland. Early identification of MEN1 in patients enables presymptomatic screening of manifestations, which makes timely interventions possible with the intention to prevent morbidity and mortality. Causes of death nowadays have shifted toward local or metastatic progression of malignant neuroendocrine tumors...
October 2017: Endocrine-related Cancer
https://www.readbyqxmd.com/read/28767672/bi-stability-in-type-2-diabetes-mellitus-multi-organ-signalling-network
#18
Shubhankar Kulkarni, Sakshi Sharda, Milind Watve
Type 2 diabetes mellitus (T2DM) is believed to be irreversible although no component of the pathophysiology is irreversible. We show here with a network model that the apparent irreversibility is contributed by the structure of the network of inter-organ signalling. A network model comprising all known inter-organ signals in T2DM showed bi-stability with one insulin sensitive and one insulin resistant attractor. The bi-stability was made robust by multiple positive feedback loops suggesting an evolved allostatic system rather than a homeostatic system...
2017: PloS One
https://www.readbyqxmd.com/read/28736243/from-insulin-synthesis-to-secretion-alternative-splicing-of-type-2-ryanodine-receptor-gene-is-essential-for-insulin-secretion-in-pancreatic-%C3%AE-cells
#19
REVIEW
Hiroshi Okamoto, Shin Takasawa, Yasuhiko Yamamoto
Increases in the intracellular Ca(2+) concentration in pancreatic islets, resulting from the Ca(2+) mobilization from the intracellular source through the ryanodine receptor, are essential for insulin secretion by glucose. Cyclic ADP-ribose, a potent Ca(2+) mobilizing second messenger synthesized from NAD(+) by CD38, regulates the opening of ryanodine receptor. A novel ryanodine receptor mRNA (the islet-type ryanodine receptor) was found to be generated from the type 2 ryanodine receptor gene by the alternative splicing of exons 4 and 75...
October 2017: International Journal of Biochemistry & Cell Biology
https://www.readbyqxmd.com/read/28704625/neuroendocrine-response-following-a-thoracic-spinal-manipulation-in-healthy-men
#20
Kesava Kovanur Sampath, Erik Botnmark, Ramakrishnan Mani, James David Cotter, Rajesh Katare, Pujika Emani Munasinghe, Steve Tumilty
Study Design Controlled laboratory study. Background Spinal manipulation (SM) can trigger a cascade of responses involving multiple systems, including the sympathetic nervous system and the endocrine system, specifically, the hypothalamic-pituitary axis. However, no manual therapy study has investigated the neuroendocrine response to SM (ie, sympathetic nervous system-hypothalamic-pituitary axis) in the same trial. Objective To determine short-term changes in sympathetic nervous system activity, heart rate variability, and endocrine activity (cortisol, testosterone, and testosterone-cortisol [T/C] ratio) following a thoracic SM...
September 2017: Journal of Orthopaedic and Sports Physical Therapy
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