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https://www.readbyqxmd.com/read/27933606/relaxin-like-peptides-in-male-reproduction-a-human-perspective
#1
REVIEW
Richard Ivell, Alexander I Agoulnik, Ravinder Anand-Ivell
The relaxin family of peptide hormones and their cognate G-protein coupled receptors are becoming physiologically well characterized in the cardiovascular system and particularly in female reproductive processes. Much less is known about the physiology and pharmacology of these peptides in male reproduction, particularly as regards the human. H2-relaxin is involved in prostate function and growth, while INSL3 is a major product of the testicular Leydig cells and in the adult appears to modulate steroidogenesis and germ cell survival...
December 9, 2016: British Journal of Pharmacology
https://www.readbyqxmd.com/read/27933272/autophagy-dependent-secretion-contribution-to-tumor-progression
#2
REVIEW
Tom G Keulers, Marco B E Schaaf, Kasper M A Rouschop
Autophagy is best known as a lysosomal degradation and recycling pathway to maintain cellular homeostasis. During autophagy, cytoplasmic content is recognized and packed in autophagic vacuoles, or autophagosomes, and targeted for degradation. However, during the last years, it has become evident that the role of autophagy is not restricted to degradation alone but also mediates unconventional forms of secretion. Furthermore, cells with defects in autophagy apparently are able to reroute their cargo, like mitochondria, to the extracellular environment; effects that contribute to an array of pathologies...
2016: Frontiers in Oncology
https://www.readbyqxmd.com/read/27933242/transtuzumab-induced-organizing-pneumonia-a-case-report
#3
Ajay Gupta, Louise Teo, Philip Masel, David Godbolt, Geoffrey Beadle
BACKGROUND: Patients with metastatic breast cancer often have pulmonary symptoms with varying aetiologies. Transtuzumab is an extremely important drug used in the treatment of Her 2 neu over-expressing breast cancers. In this report we describe a case of organizing pneumonia associated with use of transtuzumab in metastatic breast cancer. Only three such cases have previously been reported. CASE DESCRIPTION: A 43 year old lady with Her 2 neu 3+, estrogen and progesterone receptor positive, metastatic breast cancer was started on weekly transtuzumab and albumen bound paclitaxel...
2016: SpringerPlus
https://www.readbyqxmd.com/read/27933199/efficacy-and-tolerability-of-repository-corticotropin-injection-in-patients-with-persistently-active-sle-results-of-a-phase-4-randomised-controlled-pilot-study
#4
Richard Furie, Margaret Mitrane, Enxu Zhao, Maya Das, Daner Li, Patrice M Becker
OBJECTIVE: To evaluate the efficacy of a prolonged-release formulation of a porcine adrenocorticotropic hormone analogue (repository corticotropin injection (RCI)) added to standard of care in patients requiring moderate-dose corticosteroids for symptomatic SLE. METHODS: This prospective, randomised, double-blind, phase 4, pilot study (NCT01753401) enrolled 38 patients with persistently active SLE involving skin and/or joints. Enrolled patients received RCI, 40 U daily or 80 U every other day, or volume-matched placebo gel, for 8 weeks, with dose tapering to twice weekly during weeks 5-8...
2016: Lupus Science & Medicine
https://www.readbyqxmd.com/read/27933173/a-rare-case-of-gestational-thyrotoxicosis-as-a-cause-of-acute-myocardial-infarction
#5
Varalaxmi Bhavani Nannaka, Dmitry Lvovsky
: Angina pectoris in pregnancy is unusual and Prinzmetal's angina is much rarer. It accounts for 2% of all cases of angina. It is caused by vasospasm, but the mechanism of spasm is unknown but has been linked with hyperthyroidism in some studies. Patients with thyrotoxicosis-induced acute myocardial infarction are unusual and almost all reported cases have been associated with Graves' disease. Human chorionic gonadotropin hormone-induced hyperthyroidism occurs in about 1.4% of pregnant women, mostly when hCG levels are above 70-80 000 IU/L...
2016: Endocrinology, Diabetes & Metabolism Case Reports
https://www.readbyqxmd.com/read/27933171/active-postoperative-acromegaly-sustained-remission-after-discontinuation-of-somatostatin-analogues
#6
Cristina Alvarez-Escola, Jersy Cardenas-Salas
: In patients with active acromegaly after pituitary surgery, somatostatin analogues are effective in controlling the disease and can even be curative in some cases. After treatment discontinuation, the likelihood of disease recurrence is high. However, a small subset of patients remains symptom-free after discontinuation, with normalized growth hormone (GH) and insulin-like growth factor (IGF1) levels. The characteristics of patients most likely to achieve sustained remission after treatment discontinuation are not well understood, although limited evidence suggests that sustained remission is more likely in patients with lower GH and IGF1 levels before treatment withdrawal, in those who respond well to low-dose treatment, in those without evidence of adenoma on an MRI scan and/or in patients who receive long-term treatment...
2016: Endocrinology, Diabetes & Metabolism Case Reports
https://www.readbyqxmd.com/read/27933170/growth-of-a-progesterone-receptor-positive-meningioma-in-a-female-patient-with-congenital-adrenal-hyperplasia
#7
T O'Shea, R K Crowley, M Farrell, S MacNally, P Govender, J Feeney, J Gibney, M Sherlock
: Meningioma growth has been previously described in patients receiving oestrogen/progestogen therapy. We describe the clinical, radiological, biochemical and pathologic findings in a 45-year-old woman with congenital adrenal hyperplasia secondary to a defect in the 21-hydroxylase enzyme who had chronic poor adherence to glucocorticoid therapy with consequent virilisation. The patient presented with a frontal headache and marked right-sided proptosis. Laboratory findings demonstrated androgen excess with a testosterone of 18...
2016: Endocrinology, Diabetes & Metabolism Case Reports
https://www.readbyqxmd.com/read/27933166/sex-specific-ecophysiological-responses-to-environmental-fluctuations-of-free-ranging-hermann-s-tortoises-implication-for-conservation
#8
Adélaïde Sibeaux, Catherine Louise Michel, Xavier Bonnet, Sébastien Caron, Kévin Fournière, Stephane Gagno, Jean-Marie Ballouard
Physiological parameters provide indicators to evaluate how organisms respond to conservation actions. For example, individuals translocated during reinforcement programmes may not adapt to their novel host environment and may exhibit elevated chronic levels of stress hormones and/or decreasing body condition. Conversely, successful conservation actions should be associated with a lack of detrimental physiological perturbation. However, physiological references fluctuate over time and are influenced by various factors (e...
2016: Conservation Physiology
https://www.readbyqxmd.com/read/27933082/rna-seq-transcriptome-response-of-flax-linum-usitatissimum-l-to-the-pathogenic-fungus-fusarium-oxysporum-f-sp-lini
#9
Leonardo Galindo-González, Michael K Deyholos
Fusarium oxysporum f. sp. lini is a hemibiotrophic fungus that causes wilt in flax. Along with rust, fusarium wilt has become an important factor in flax production worldwide. Resistant flax cultivars have been used to manage the disease, but the resistance varies, depending on the interactions between specific cultivars and isolates of the pathogen. This interaction has a strong molecular basis, but no genomic information is available on how the plant responds to attempted infection, to inform breeding programs on potential candidate genes to evaluate or improve resistance across cultivars...
2016: Frontiers in Plant Science
https://www.readbyqxmd.com/read/27933070/transcriptional-responses-in-root-and-leaf-of-prunus-persica-under-drought-stress-using-rna-sequencing
#10
Najla Ksouri, Sergio Jiménez, Christina E Wells, Bruno Contreras-Moreira, Yolanda Gogorcena
Prunus persica L. Batsch, or peach, is one of the most important crops and it is widely established in irrigated arid and semi-arid regions. However, due to variations in the climate and the increased aridity, drought has become a major constraint, causing crop losses worldwide. The use of drought-tolerant rootstocks in modern fruit production appears to be a useful method of alleviating water deficit problems. However, the transcriptomic variation and the major molecular mechanisms that underlie the adaptation of drought-tolerant rootstocks to water shortage remain unclear...
2016: Frontiers in Plant Science
https://www.readbyqxmd.com/read/27932998/gene-expression-dynamics-in-major-endocrine-regulatory-pathways-along-the-transition-from-solitary-to-social-life-in-a-bumblebee-bombus-terrestris
#11
Pavel Jedlička, Ulrich R Ernst, Alena Votavová, Robert Hanus, Irena Valterová
Understanding the social evolution leading to insect eusociality requires, among other, a detailed insight into endocrine regulatory mechanisms that have been co-opted from solitary ancestors to play new roles in the complex life histories of eusocial species. Bumblebees represent well-suited models of a relatively primitive social organization standing on the mid-way to highly advanced eusociality and their queens undergo both, a solitary and a social phase, separated by winter diapause. In the present paper, we characterize the gene expression levels of major endocrine regulatory pathways across tissues, sexes, and life-stages of the buff-tailed bumblebee, Bombus terrestris, with special emphasis on critical stages of the queen's transition from solitary to social life...
2016: Frontiers in Physiology
https://www.readbyqxmd.com/read/27932515/genotoxic-effect-of-iron-overload-and-disease-complications-in-transfused-%C3%AE-thalassaemic-patients
#12
Elisa Ferro, Giuseppa Visalli, Maria Angela La Rosa, Basilia Piraino, Rosa Civa, Gaetano Randazzo Papa, Angela Di Pietro
In previously reported studies, we observed significantly high genotoxicity biomarkers in regularly transfused thalassaemic patients, thus, in this study, we better investigated the genotoxic effect of iron overload and of thalassaemia complications, including their drug treatments. The assessment was performed in 64 regularly transfused thalassaemic patients using cytokinesis-block micronucleus and comet assays. All patients were splenectomised and undergoing iron chelation therapy. To reduce hypoxia-induced oxidative damage, the patients with haemoglobin levels <9...
December 8, 2016: Mutagenesis
https://www.readbyqxmd.com/read/27932411/mod-4023-a-long-acting-carboxy-terminal-peptide-ctp-modified-human-growth-hormone-results-of-a-phase-2-study-in-growth-hormone-deficient-adults
#13
Christian J Strasburger, Peter Vanuga, Juraj Payer, Marija Pfeifer, Vera Popović, Laszlo Bajnok, Miklós I Góth, Věra Olšovská, Ľudmila Trejbalová, Janos Vadasz, Eyal Fima, Ronit Koren, Leanne Amitzi, Martin Bidlingmaier, Gili Hart, Beverly M K Biller
OBJECTIVE: Growth hormone (GH) replacement therapy currently requires daily injections, which may cause distress and low compliance. C-terminal peptide (CTP)-modified growth hormone (MOD-4023) is being developed as a once-weekly dosing regimen in patients with GH deficiency (GHD). This study's objective is to evaluate the safety, pharmacokinetics (PK), pharmacodynamics (PD) and efficacy of MOD-4023 administered once weekly in GHD adults. DESIGN: 54 adults with GHD currently treated with daily GH were normalized and randomized into 4 weekly dosing cohorts of MOD-4023 at 18...
December 8, 2016: European Journal of Endocrinology
https://www.readbyqxmd.com/read/27932410/anthropometric-factors-have-significant-influence-on-the-outcome-of-the-ghrh-arginine-test-establishment-of-normative-data-for-an-automated-immunoassay-specifically-measuring-22kd-human-growth-hormone
#14
Timo Deutschbein, Martin Bidlingmaier, Jochen Schopohl, Christian J Strasburger, Stephan Petersenn
CONTEXT: Adult growth hormone (GH) deficiency (GHD) is diagnosed by provocative testing of GH secretion. OBJECTIVE: To improve diagnostic accuracy of GH releasing hormone (GHRH) plus arginine (GARG) testing, we evaluated the influence of age, BMI, and sex, and established normative data for an automatic immunoassay specifically measuring 22kD human GH. DESIGN/SETTING: Prospective multicenter study. PARTICIPANTS: Eighty-seven patients with hypothalamic-pituitary disease and 200 healthy controls...
December 8, 2016: European Journal of Endocrinology
https://www.readbyqxmd.com/read/27932249/toxicologic-effects-of-28-day-dietary-exposure-to-the-flame-retardant-1-2-dibromo-4-1-2-dibromoethyl-cyclohexane-tbech-in-fischer-rats
#15
Ivan H A Curran, Virginia Liston, Andrée Nunnikhoven, Don Caldwell, Matthew J S Scuby, Peter Pantazopoulos, Dorothea F K Rawn, Laurie Coady, Cheryl Armstrong, David E Lefebvre, Genevieve S Bondy
The brominated flame retardant TBECH is used as an additive to delay ignition and inhibit fires in construction materials and consumer goods. Trends in human exposure are not clear, although humans may be exposed to TBECH via indoor dust and air. In birds and fish there is some evidence of disruption in endocrine and reproductive parameters due to TBECH. In vitro studies indicate that TBECH is an androgen receptor agonist. In this study rats were exposed to 0, 10, 50, 250, 1250 or 5000mg/kg technical TBECH for 28days in diet, corresponding to 0, 0...
December 5, 2016: Toxicology
https://www.readbyqxmd.com/read/27932063/toward-connecting-metabolism-to-the-exocytotic-site
#16
REVIEW
Mourad Ferdaoussi, Patrick E MacDonald
Within cells the regulated exocytosis of secretory granules controls multiple physiological functions, including endocrine hormone secretion. Release of the glucose-regulating hormone insulin from pancreatic islet β cells is critical for whole-body metabolic homeostasis. Impaired insulin secretion appears early in the progression to type 2 diabetes (T2D). Key mechanisms that control the β-cell exocytotic response, mediating the long-known but little understood metabolic amplification of insulin secretion, are becoming clearer...
December 5, 2016: Trends in Cell Biology
https://www.readbyqxmd.com/read/27931904/effect-of-lithium-on-thyroid-function-in-adolescents-with-mood-disorder
#17
Rati Ranjan Sethy, Vinod Kumar Sinha
BACKGROUND: The purpose of the study was to determine thyroid gland volume and the frequency of thyroid dysfunction by using ultrasonography and laboratory parameters (TSH, T3, and T4) in long term lithium treated adolescent patients with mood disorder. METHODOLOGY: In a cross-sectional study, we performed ultrasonography and thyroid function test in 30 adolescent patients on long-term lithium treatment for mood disorder. Patients with adequate serum lithium levels for one year or more were taken for the study...
December 2016: Asian Journal of Psychiatry
https://www.readbyqxmd.com/read/27931832/the-role-of-the-igf-1-ec-in-myoskeletal-system-and-osteosarcoma-pathophysiology
#18
REVIEW
Nikolaos Armakolas, Athanasios Armakolas, Athanasios Antonopoulos, Andreas Dimakakos, Martha Stathaki, Michael Koutsilieris
Growth hormone (GH) regulated mainly liver-produced insulin-like growth factor 1 (IGF-1) is a key molecule in embryonic & post embryonic development that is also involved in cancer biology. Herein we review new insights of the role of igf-1 gene products and of the IGF-1Ec isoform in muscle and bone development/repair and its role in osteosarcoma pathophysiology, underlying the possible role of the Ec peptide as a future therapeutic target.
December 2016: Critical Reviews in Oncology/hematology
https://www.readbyqxmd.com/read/27931828/targeting-mtor-pathway-in-gynecological-malignancies-biological-rationale-and-systematic-review-of-published-data
#19
REVIEW
Loay Kassem, Omar Abdel-Rahman
BACKGROUND: mTOR inhibitors are widely used in different malignancies with several trials testing their efficacy and safety in gynecological malignancies. We aimed to review the current evidence that support the expansion of using such drugs in the treatment of advanced gynecological cancers. METHODS: A comprehensive systematic review of literature has been conducted to include prospective trials that used everolimus, temsirolimus or ridaforolimus in the management of gynecological cancers and have available efficacy and toxicity results...
December 2016: Critical Reviews in Oncology/hematology
https://www.readbyqxmd.com/read/27931570/natural-history-of-serum-calcium-and-parathyroid-hormone-following-renal-transplantation
#20
Z Al-Moasseb, E Aitken
BACKGROUND: Hyperparathyroidism is common in end-stage renal disease. It often persists following renal transplantation (RTx) and remains elusive to manage due to the lack of evidence base. We therefore present observational data describing the natural history and management of hypercalcemia and hyperparathyroidism following RTx. METHODS: Single-center experience of 216 adult patients undergoing kidney transplantation between January 1, 2011, and December 31, 2012...
December 2016: Transplantation Proceedings
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