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https://www.readbyqxmd.com/read/29353450/cancer-treatment-and-bone-health
#1
REVIEW
Catherine Handforth, Stella D'Oronzo, Robert Coleman, Janet Brown
Considerable advances in oncology over recent decades have led to improved survival, while raising concerns about long-term consequences of anticancer treatments. In patients with breast or prostate malignancies, bone health is a major issue due to the high risk of bone metastases and the frequent prolonged use of hormone therapies that alter physiological bone turnover, leading to increased fracture risk. Thus, the onset of cancer treatment-induced bone loss (CTIBL) should be considered by clinicians and recent guidelines should be routinely applied to these patients...
January 20, 2018: Calcified Tissue International
https://www.readbyqxmd.com/read/29353394/comparison-of-the-effects-of-the-l-dopa-and-insulin-tolerance-tests-on-cortisol-secretion
#2
S Acar, A Paketçi, H Tuhan, K Demir, E Böber, A Abaci
PURPOSE: The aims of the present study are to evaluate the effect of L-dopa on the secretion of cortisol and adrenocorticotropic hormone (ACTH) in short children and compare the performance of this test with the insulin tolerance test (ITT) in a large number of patients. METHODS: A total of 29 short but otherwise healthy children [mean age 9.5 ± 3.1 years (range 3.7-14.9 years)] who had inadequate growth hormone (GH) responses to ITT, which was performed as the first test, were consecutively enrolled in this study...
January 20, 2018: Journal of Endocrinological Investigation
https://www.readbyqxmd.com/read/29353364/testosterone-and-proactive-reactive-aggression-in-youth-the-moderating-role-of-harsh-discipline
#3
Frances R Chen, Adrian Raine, Douglas A Granger
This study tests a biosocial model of the link between testosterone and proactive-reactive aggression in youth at varying levels of harsh discipline. Given that proactive aggression is used to gain power and status and the importance of social learning in its formation, we hypothesized that testosterone would be associated with proactive aggression at higher levels of harsh discipline, and that this relationship would be more pronounced in boys than girls. Participants (n = 445; 50% male; M age = 11...
January 20, 2018: Journal of Abnormal Child Psychology
https://www.readbyqxmd.com/read/29353275/endocrine-and-metabolic-disturbances-in-survivors-of-hematopoietic-stem-cell-transplantation-in-childhood-and-adolescence
#4
Shlomit Shalitin, Lihi Pertman, Michal Yackobovitch-Gavan, Isaac Yaniv, Yael Lebenthal, Moshe Phillip, Jerry Stein
BACKGROUND/AIMS: The objective was to evaluate endocrine complications in survivors of hematopoietic stem cell transplantation (HSCT) performed during childhood. METHODS: Endocrine dysfunction and metabolic syndrome parameters were assessed by chart review of 178 childhood HSCT survivors (median age at evaluation, 15.5 [range: 3.8-29.8] years; median follow-up, 8.5 [range: 2-23.4] years). RESULTS: The following statistically significant associations were identified (p < 0...
January 19, 2018: Hormone Research in Pædiatrics
https://www.readbyqxmd.com/read/29353264/response-to-growth-hormone-treatment-in-very-young-patients-with-growth-hormone-deficiencies-and-mini-puberty
#5
Semra Çetinkaya, Şükran Poyrazoğlu, Firdevs Baş, Oya Ercan, Metin Yıldız, Erdal Adal, Abdullah Bereket, Saygın Abalı, Zehra Aycan, Şenay Savaş Erdeve, Merih Berberoğlu, Zeynep Şıklar, Meltem Tayfun, Şükran Darcan, Eda Mengen, İffet Bircan, Filiz Mine Çizmecioğlu Jones, Enver Şimşek, Esra Deniz Papatya, Mehmet Nuri Özbek, Semih Bolu, Ayhan Abacı, Muammer Büyükinan, Feyza Darendeliler
BACKGROUND: The aim of the study was to assess the response to growth hormone (GH) treatment in very young patients with GH deficiency (GHD) through a national, multi-center study. Possible factors affecting growth response were assessed (especially mini-puberty). METHODS: Medical reports of GHD patients in whom treatment was initiated between 0 and 3 years of age were retrospectively evaluated. RESULTS: The cohort numbered 67. The diagnosis age was 12...
January 20, 2018: Journal of Pediatric Endocrinology & Metabolism: JPEM
https://www.readbyqxmd.com/read/29353224/coronary-microvascular-dysfunction-may-be-related-to-igf-1-in-acromegalic-patients-and-can-be-restored-by-therapy
#6
Sara Tellatin, Pietro Maffei, Elena Osto, Francesca Dassie, Giulia Famoso, Roberta Montisci, Chiara Martini, Francesco Fallo, Martina Perazzolo Marra, Roberto Mioni, Sabino Iliceto, Roberto Vettor, Francesco Tona
BACKGROUND AND AIMS: Acromegaly increases the risk of cardiovascular mortality. Data on the cardiovascular risk in asymptomatic acromegaly are limited. In particular, data on coronary microvascular abnormalities are lacking. We assessed coronary flow reserve (CFR) as a marker of coronary microvascular function in asymptomatic acromegaly. METHODS: We studied 40 acromegalic patients (23 male, age 52 ± 11 years) without clinical evidence of cardiovascular disease, and 40 control subjects matched for age and sex...
December 24, 2017: Atherosclerosis
https://www.readbyqxmd.com/read/29353219/blocking-mitochondrial-cyclophilin-d-ameliorates-tsh-impaired-defensive-barrier-of-artery
#7
Xiaojing Liu, Heng Du, Qiang Chai, Qing Jia, Lu Liu, Meng Zhao, Jun Li, Hui Tang, Wenbin Chen, Lifang Zhao, Li Fang, Ling Gao, Jiajun Zhao
AIMS: Endothelial cells (ECs) constitute the defensive barrier of vasculature, which maintains the vascular homeostasis. Mitochondrial oxidative stress (mitoOS) in ECs significantly affects the initiation and progression of vascular diseases. The higher serum thyroid stimulating hormone (TSH) level is being recognized as a nonconventional risk factor responsible for the increased risk of cardiovascular diseases in subclinical hypothyroidism (SCH). However, effects and underlying mechanisms of elevated TSH on ECs are still ambiguous...
January 9, 2018: Redox Biology
https://www.readbyqxmd.com/read/29353143/contractile-effect-of-rifaximin-on-bovine-uterus-in-the-presence-of-steroid-hormone-antagonists
#8
R L Sciorsci, M Piccinno, A Rizzo
This in vitro study investigated the modulatory effect of rifaximin on bovine uterus contractility, in both phases of the oestrous cycle, with and without the steroid hormones that are predominant in the respective phases: oestrogen in the follicular phase and progesterone in the luteal phase. The procedures were conducted in an isolated organ bath by using rifaximin alone (10-4 M) and in association with the steroid hormone antagonists (10-5 M) tamoxifen (oestrogen antagonist) in the follicular phase and mifepristone (progesterone antagonist) in the luteal phase...
January 10, 2018: Theriogenology
https://www.readbyqxmd.com/read/29353122/asparagine-and-sugars-are-both-required-to-sustain-secondary-axis-elongation-after-bud-outgrowth-in-rosa-hybrida
#9
Marie-Anne Le Moigne, Vincent Guérin, Pierre-Maxime Furet, Vincent Billard, Anita Lebrec, Lukáš Spíchal, Hanaé Roman, Sylvie Citerne, Annette Morvan-Bertrand, Anis Limami, Alain Vian, Jérémy Lothier
Nitrogen is required for optimal plant growth, especially in young organs such as secondary axes (axes II) after axillary bud outgrowth. Several studies have shown an increase of nitrogen concentration in xylem sap concomitantly with bud outgrowth, but the relation between nitrogen, sugars and plant hormones in axis II still remains unclear. We investigated in Rosa hybrida the involvement of nitrogen nutrition in axis II elongation in relation with sugars and cytokinins using 15N-labeled nitrate and sugars, amino acids and cytokinin quantifications...
December 26, 2017: Journal of Plant Physiology
https://www.readbyqxmd.com/read/29353100/vitamin-d-and-juvenile-systemic-lupus-erythematosus-lights-shadows-and-still-unresolved-issues
#10
REVIEW
Stefano Stagi, Donato Rigante
Systemic lupus erythematosus (SLE) and juvenile SLE (jSLE) are autoimmune disorders naturally associated with several genetic, environmental, hormonal, and immunological contributing factors. It has been assumed that vitamin D deficiency may have a role in the immune activation of patients with SLE and play an active part in many comorbidities and even complications. A host of clinical studies suggested that vitamin D exerts inhibitory effects on many immunological abnormalities associated with SLE, also in children and adolescents, while different reports have hypothesized that vitamin D may be associated with accelerated cardiovascular disease in SLE...
January 15, 2018: Autoimmunity Reviews
https://www.readbyqxmd.com/read/29353060/parathyroid-hormone-related-protein-contributes-to-early-healing-of-habu-snakevenom-induced-glomerulonephritis-in-mice
#11
Mazène Hochane, Denis Raison, Catherine Coquard, Claire Béraud, Sabrina Danilin, Audrey Bethry, Thierry Massfelder, Mariette Barthelmebs
Proliferative glomerulonephritis is characterized by local inflammation and mesangial cell deterioration, followed by mesangial proliferation and glomerular healing. Parathyroid-hormone-related peptide (PTHrP) is a mesangial cytokine-like growth factor implicated in mesangial proliferation and survival. No data are available about its role in glomerulonephritis. Herein, we analyzed the expression and role of PTHrP in glomerular inflammation and healing in an experimental model of glomerulonephritis induced by intravenous injection of Habu-snake venom in mice...
January 15, 2018: American Journal of Pathology
https://www.readbyqxmd.com/read/29352998/two-weeks-of-variable-stress-increases-gamma-h2ax-levels-in-the-mouse-bed-nucleus-of-the-stria-terminalis
#12
Brendan D Hare, Tina M Thornton, Mercedes Rincon, Borivoj Golijanin, S Bradley King, Diane M Jaworski, William A Falls
Recent reports demonstrate that DNA damage is induced, and rapidly repaired, in circuits activated by experience. Moreover, stress hormones are known to slow DNA repair, suggesting that prolonged stress may result in persistent DNA damage. Prolonged stress is known to negatively impact physical and mental health; however, DNA damage as a factor in stress pathology has only begun to be explored. Histone H2A-X phosphorylated at serine 139 (γH2AX) is a marker of DNA double strand breaks (DSB), a type of damage that may lead to cell death if unrepaired...
January 15, 2018: Neuroscience
https://www.readbyqxmd.com/read/29352749/tips-for-optimizing-organ-preservation-solutions
#13
Aneta Ostróżka-Cieślik, Barbara Dolińska, Florian Ryszka
Organ injury during ischemia is one of the clinical problems of today's transplantation. It occurs during warm ischemia time (WIT) when the blood flow is cut off and during cold ischemia when a graft is chilled in situ until the circulation is restored to the recipient organism. Fast cooling of the organ slows down metabolism and activates intracellular enzymes, which minimizes the effects of warm ischemia. Unfortunately, hypothermia also results in inhibition of ATP synthesis, cell swelling and intracellular acidity...
January 20, 2018: Acta Biochimica Polonica
https://www.readbyqxmd.com/read/29352696/safety-and-efficacy-of-prostatic-artery-chemoembolization-for-prostate-cancer-initial-experience
#14
João Pisco, Tiago Bilhim, Nuno V Costa, Manuel Pinto Ribeiro, Lucia Fernandes, António G Oliveira
PURPOSE: To evaluate outcome of prostatic artery chemoembolization for patients with prostate cancer (PCa). MATERIALS AND METHODS: This single-center prospective cohort study was conducted between August 2013 and July 2016 in 20 patients with PCa who underwent chemoembolization. Mean patient age was 67.5 years ± 6.4. Gleason score was 6-10, and staging was T2N0M0. Fifteen patients refused prostatectomy and 5 wanted to stop hormonal therapy because of side effects...
January 15, 2018: Journal of Vascular and Interventional Radiology: JVIR
https://www.readbyqxmd.com/read/29352600/placental-control-of-metabolic-adaptations-in-the-mother-for-an-optimal-pregnancy-outcome-what-goes-wrong-in-gestational-diabetes
#15
David J Hill
As pregnancy progresses the placental syncytiotrophoblast increasingly assumes control of maternal glucose homeostasis through the release and counter-balancing effects of placental lactogen (PL) and placental variant growth hormone (GH-V). While local actions of these hormones on placental growth and function are likely to exist, each also exerts indirect actions to ensure fetal nutritional availability through modulation of the maternal insulin/insulin-like growth factor axis. Peripheral insulin resistance results from the increasing levels of GH-V in the maternal circulation and is counter-balanced by an increase in insulin availability through an expansion of maternal pancreatic β-cell mass...
January 9, 2018: Placenta
https://www.readbyqxmd.com/read/29352532/the-impact-of-severe-mental-disorders-and-psychotropic-medications-on-sexual-health-and-its-implications-for-clinical-management
#16
Angel L Montejo, Laura Montejo, David S Baldwin
Sexual dysfunction often accompanies severe psychiatric illness and can be due to both the mental disorder itself and the use of psychotropic treatments. Many sexual symptoms resolve as the mental state improves, but treatment-related sexual adverse events tend to persist over time, and are unfortunately under-recognized by clinicians and scarcely investigated in clinical trials. Treatment-emergent sexual dysfunction adversely affects quality of life and may contribute to reduce treatment adherence. There are important differences between the various compounds in the incidence of adverse sexual effects, associated with differences in mechanisms of action...
February 2018: World Psychiatry: Official Journal of the World Psychiatric Association (WPA)
https://www.readbyqxmd.com/read/29352494/the-effects-of-late-gestation-nutrient-restriction-of-dams-on-beef-heifer-intake-metabolites-and-hormones-during-an-ad-libitum-feeding-trial
#17
J E Tipton, R E Ricks, C T LeMaster, N M Long
This study's objective was to determine if nutrient restriction during late gestation affected beef heifer feed intake, body weight (BW) gain and endocrine regulation during a 10-week feeding trial. During the last 100 days of gestation, control (CON) dams were fed to increase body condition score (BCS). Whereas, nutrient-restricted dams (NR) and NR dams protein supplemented 3 days/week (NRS) were fed to decrease BCS by 1.2. After parturition, all cow-calf pairs were moved to a common pasture and fed in excess of requirements until weaning...
January 19, 2018: Journal of Animal Physiology and Animal Nutrition
https://www.readbyqxmd.com/read/29352456/recombinant-growth-hormone-treatment-osteoporosis-and-fractures-more-complicated-than-it-seems
#18
EDITORIAL
Maria Fleseriu
No abstract text is available yet for this article.
January 19, 2018: Endocrine
https://www.readbyqxmd.com/read/29352447/long-term-endocrine-effects-and-trends-in-body-mass-index-changes-in-patients-with-childhood-onset-brain-tumors
#19
Go Hun Seo, Jin-Ho Choi, Yoon-Myung Kim, Kyung-Nam Koh, Ho Joon Im, Young Shin Ra, Han-Wook Yoo
As survival rates have improved owing to advances in management strategies for pediatric brain tumors, long-term complications such as endocrine dysfunction, have emerged as a major issue. This study investigated the long-term endocrine effects of childhood-onset brain tumors in a large number of patients. This study included 151 patients with brain tumors diagnosed between January 1995 and December 2016. The following data were retrospectively reviewed: tumor location, tumor histology, endocrine abnormalities, hypothalamic involvement on brain imaging, treatment modalities, and trends in body mass index...
January 19, 2018: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/29352423/understanding-and-addressing-hair-disorders-in-transgender-individuals
#20
REVIEW
Yi Gao, Toby Maurer, Paradi Mirmirani
In the United States, an increasing number of individuals are identifying as transgender. Males at birth who identify as females are called male-to-female (MTF) transgender individuals or trans women, and females at birth who identify as males are called female-to-male (FTM) transgender individuals or trans men. The transgender patient population possess unique health concerns disparate from those of the general populace. Exogenous hormone therapy for transgender patients leads to changes in the distribution and pattern of hair growth...
January 19, 2018: American Journal of Clinical Dermatology
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