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https://www.readbyqxmd.com/read/28532840/effect-of-breed-plane-of-nutrition-and-age-on-growth-scrotal-development-metabolite-concentrations-and-on-systemic-gonadotropin-and-testosterone-concentrations-following-a-gnrh-challenge-in-young-dairy-bulls
#1
C J Byrne, S Fair, A M English, C Urh, H Sauerwein, M A Crowe, P Lonergan, D A Kenny
The onset of puberty in the bull is regulated by the timing of early GnRH pulsatility release from the hypothalamus, which has been demonstrated to be affected by plane of nutrition during calf-hood. The aim of this study was to determine the effect of plane of nutrition on growth rate, scrotal development, metabolite concentrations and exogenous gonadotrophin (GnRH) induced release of luteinizing hormone (LH), follicle stimulating hormone (FSH) and testosterone (TT) in pre-pubertal bulls of two contrasting dairy breeds...
July 1, 2017: Theriogenology
https://www.readbyqxmd.com/read/28525351/association-study-of-lin28b-in-girls-with-precocious-puberty
#2
Yen-Chun Chen, Li-Min Chen, Hung-Hsun Lin, Bai-Hsiun Chen, Mei-Chyn Chao, Hui-Pin Hsiao
BACKGROUND: Central precocious puberty (CPP), predominant in girls, is defined by early development of secondary sexual characteristics driven by the early secretion of hypothalamic gonadotropin releasing hormone (GnRH) and subsequent gonadotropin. Recent studies have shown variation in the LIN28B gene is associated with timing of puberty, but only a few have show it to be associated with CPP. METHODS: This study attempted to investigate the relation between single-nucleotide polymorphisms (SNPs) in LIN28B and girls with precocious puberty...
May 18, 2017: Journal of Pediatric Endocrinology & Metabolism: JPEM
https://www.readbyqxmd.com/read/28521272/impact-of-prematurity-on-exercise-capacity-and-agility-of-children-and-youth-aged-8-to-18
#3
Tatjana Robič Pikel, Gregor Starc, Janko Strel, Marjeta Kovač, Janez Babnik, Petra Golja
BACKGROUND: Preterm (PT) birth and low birth mass (LBW) can impair growth and development of children and may therefore affect their physical performance up to adulthood. AIMS: Our aim was to evaluate long-term consequences of prematurity, especially (an)aerobic exercise capacity and agility up to adulthood, by comparing premature and full-term (FT) individuals. STUDY DESIGN, SUBJECTS: From 474 subjects born in 1987, who were enrolled into a longitudinal study, 396 (178 PT and 218 FT (with 127 of them LBW)) were followed-up into their early adulthood...
May 15, 2017: Early Human Development
https://www.readbyqxmd.com/read/28520646/relationship-between-pubertal-timing-and-chronic-nonspecific-pain-in-adolescent-girls-the-young-hunt3-study-2006-2008
#4
Barbro Kløven, Gry B Hoftun, Pål R Romundstad, Marite Rygg
The aim of this study was to examine a possible relationship between early puberty and chronic non-specific pain in 13-18 years old girls. All adolescents in Nord-Trøndelag County, Norway, were invited to participate in the Young-HUNT3 study (2006-2008). Of the invited girls 81% answered the questionnaire and of these 3982 were 13-18 years. Menarche and perceived physical maturation were used as exposure measures. Early menarche was defined as <12 years, normal menarche as ≥12 and <14 years, and late menarche as ≥14 years...
May 16, 2017: Pain
https://www.readbyqxmd.com/read/28514243/celiac-disease-symptom-resolution-effectiveness-of-the-gluten-free-diet
#5
Naire Sansotta, Stefano Guandalini, Karine Amirikian, Hilary Jericho
OBJECTIVE: To evaluate the efficacy of the gluten free diet (GFD) on gastrointestinal and extra-intestinal symptom resolution and identify predictors for persistence of symptoms in all celiac patients at the University of Chicago. METHODS: We conducted a retrospective chart review from 2002 to 2015. Gastrointestinal (GI) symptoms included: abdominal pain, bloating, constipation, diarrhea, failure to thrive/weight loss, nausea, reflux and vomiting. Extra-intestinal (EI) symptoms included: abnormal liver enzymes, arthralgia/arthritis, dermatitis herpetiformis, alopecia, fatigue, headache, anemia, stomatitis, myalgia, psychiatric disorders, rashes, seizures, neuropathy, short stature, delayed puberty, osteoporosis, and infertility...
May 16, 2017: Journal of Pediatric Gastroenterology and Nutrition
https://www.readbyqxmd.com/read/28511077/clinical-and-laboratory-parameters-predicting-a-requirement-for-the-reevaluation-of-growth-hormone-status-during-growth-hormone-treatment-retesting-early-in-the-course-of-gh-treatment
#6
Dogus Vuralli, E Nazli Gonc, Z Alev Ozon, Ayfer Alikasifoglu, Nurgun Kandemir
OBJECTIVE: We aimed to define the predictive criteria, in the form of specific clinical, hormonal and radiological parameters, for children with growth hormone deficiency (GHD) who may benefit from the reevaluation of GH status early in the course of growth hormone (GH) treatment. DESIGN AND METHODS: Two hundred sixty-five children with growth hormone deficiency were retested by GH stimulation at the end of the first year of GH treatment. The initial clinical and laboratory characteristics of those with a normal (GH≥10ng/ml) response and those with a subnormal (GH<10ng/ml) response were compared to predict a normal GH status during reassessment...
May 10, 2017: Growth Hormone & IGF Research
https://www.readbyqxmd.com/read/28504511/-intrauterine-growth-restriction-endocrinological-perspective-update-of-the-2007-version-arch-argent-pediatr-2007-105-1-71-73
#7
(no author information available yet)
Most children born with low weight or intrauterine growth restriction develop catch-up growth that allows them to reach a final height according to their genetic target height. However, in about 15% of children this growth is insufficient. In both, children who have adequate compensatory growth and therefore normal height and children who remain low in childhood, it is necessary to take into account that if puberty starts early, the final height could be compromised. Timely and appropriate intervention could improve it...
June 1, 2017: Archivos Argentinos de Pediatría
https://www.readbyqxmd.com/read/28503109/parental-reports-of-prodromal-psychopathology-in-pediatric-bipolar-disorder
#8
Mariely Hernandez, Ciro Marangoni, Marie C Grant, Jezelle Estrada, Gianni L Faedda
OBJECTIVES: Early psychopathology in children diagnosed with Bipolar Disorder (BD) remains poorly characterized. Parental retrospective reports provide helpful details on the earliest manifestations and their evolution over time. These symptoms occur early in the course of BD, often before a formal diagnosis is made and/or treatment is implemented, and are of great importance to early recognition and prevention. METHODS: Parents of pre-pubertal children and adolescents with DSM-IV diagnoses of BD attending an outpatient mood disorders clinic provided retrospective ratings of 37 symptoms of child psychopathology...
April 2017: Current Neuropharmacology
https://www.readbyqxmd.com/read/28501319/association-of-pyrethroids-exposure-with-onset-of-puberty-in-chinese-girls
#9
Xiaoqing Ye, Wuye Pan, Yuehao Zhao, Shilin Zhao, Yimin Zhu, Weiping Liu, Jing Liu
Pyrethroids, a class of ubiquitous insecticides, have been considered as endocrine-disrupting chemicals (EDCs). Female animal studies suggested that early-life pyrethroids exposure might delay puberty onset. However, it remains unclear whether this association applies to human populations. A total of 305 girls at the ages of 9-15 years old were recruited in Hangzhou, China in this study. The concentration of the common metabolite of pyrethroids, 3-phenoxybenzoic acid (3-PBA), was analyzed in urine samples to reflect the exposure level of pyrethroids...
May 10, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28499829/characteristics-of-traditional-chinese-medicine-usage-in-children-with-precocious-puberty-a-nationwide-population-based-study
#10
Yi-Chun Lin, Tung-Ti Chang, Husan-Ju Chen, Chung-Hsing Wang, Mao-Feng Sun, Hung-Rong Yen
ETHNOPHARMACOLOGICAL RELEVANCE: Precocious puberty (PP) occurs in children with the early onset of pubertal development leading to physical and psychological problems. Current medical treatment is expensive and has its side effects. However, little is known about the utilization of traditional Chinese medicine (TCM) among patients with PP. To characterize the application of TCM among these patients, we conducted a nationwide population-based study. MATERIALS AND METHODS: We used the Taiwanese National Health Insurance Research Database (NHIRD), to perform a nationwide population-based study...
May 9, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28483364/how-to-investigate-a-child-with-excessive-growth
#11
Régis Coutant, Aurélie Donzeau, Anne Decrequy, Mathilde Louvigné, Natacha Bouhours-Nouet
The diagnostic approach to tall stature in children is based on collecting birth data (macrosomia), sizes and family puberty, a family history of constitutional or pathological tall stature, search for a delay of development, dysmorphia, disproportion, analysis of the growth velocity (normal or accelerated), general examination and assessment of puberty, and bone age. When there is a history of psychomotor retardation, a family history of pathological tall stature, or a disproportion in the clinical examination, the genetic causes of tall stature will be mentioned...
May 5, 2017: Annales D'endocrinologie
https://www.readbyqxmd.com/read/28481069/-laparoscopic-adrenalectomy-advantages-of-the-minimally-invasive-approach
#12
P Rodríguez Iglesias, J Gómez-Chacón Villalba, L Rodríguez Caraballo, P Ortolá Fortes, J Cortés Sáez, A Marco Macián, J J Vila Carbó
AIM: To describe our experience as a tertiary center on the use of laparoscopic adrenal surgery in children. MATERIAL AND METHODS: A descriptive, retrospective study of patients with pathologic adrenal masses undergoing laparoscopic adrenal surgery, between 2012 and 2015. Epidemiological variables, surgical technique, complications and follow-up were studied. RESULTS: Nine patients were studied with a median age of 62 months (5-184). In 3 patients (33...
October 10, 2016: Cirugía Pediátrica: Organo Oficial de la Sociedad Española de Cirugía Pediátrica
https://www.readbyqxmd.com/read/28479496/effect-of-early-life-physical-growth-on-midlife-vertebral-dimensions-the-northern-finland-birth-cohort-1966-study
#13
Petteri Oura, Markus Paananen, Marja Ojaniemi, Juha Auvinen, Juho-Antti Junno, Jaro Karppinen, Jaakko Niinimäki
Small vertebral size is an independent risk factor for osteoporotic vertebral fractures. Physical growth in early life is related to bone health in later life, but the relationship of early growth versus vertebral size has been inconclusively studied. Utilizing the Northern Finland Birth Cohort 1966 with a 47-year follow-up, we investigated how physical growth in early life is associated with midlife vertebral dimensions. We obtained several physical growth parameters of 1) birth (gestational age, length, weight, BMI), 2) infancy and childhood (peak height velocity (PHV), peak weight velocity (PWV), adiposity peak (AP), adiposity rebound (AR)), and 3) puberty (BMI at growth spurt take-off (TO), PHV, height change)...
May 4, 2017: Bone
https://www.readbyqxmd.com/read/28471223/social-stress-in-early-puberty-has-long-term-impacts-on-impulsive-action
#14
Lina Fernanda González-Martínez, John D'Aigle, Steven M Lee, Hongjoo J Lee, Yvon Delville
In hamsters, individuals attacked by adults during puberty become aggressive adults. Perhaps, enhanced aggression observed as repeated attacks toward opponents is associated with a lack of impulse control. We examined impulsive action in male golden hamsters exposed daily to aggressive adults from postnatal Day 28 to 42. These animals were trained in conditioning chambers and tested during adulthood in a go-no-go task addressing action inhibition. Overall, previously stressed hamsters were less likely to inhibit a conditioned lever pressing response during no-go trials...
May 4, 2017: Behavioral Neuroscience
https://www.readbyqxmd.com/read/28465081/characterization-of-male-germ-cell-markers-in-canine-testis
#15
Won-Young Lee, Ran Lee, Hyun-Jung Park, Jeong Tae Do, Chankyu Park, Jin-Hoi Kim, Hyunjhung Jhun, Ji-Heon Lee, Taiyoung Hur, Hyuk Song
Spermatogenesis begins at puberty and continues throughout a male's life. This process is initiated and maintained by spermatogonial stem cells in the seminiferous tubules, and these cells produce haploid spermatozoa. Markers of male germ cells have been fully identified in rodents, including mice and rats, but not in canines. To characterize the canine male germ cells, histological and immunohistochemical analyses were performed, using prepubertal (1-3-month-old), early pubertal (4-month-old), and postpubertal (7-month-old) dog testes...
January 12, 2017: Animal Reproduction Science
https://www.readbyqxmd.com/read/28464352/maternal-experience-raising-girls-with-autism-spectrum-disorder-a-qualitative-study
#16
N Navot, A G Jorgenson, S J Webb
BACKGROUND: A growing line of research has sought to characterize the different presentations of autism spectrum disorder (ASD) among boys and girls. Much less is known about maternal experience and mother-child relationship in children with ASD based on child gender. The present qualitative study aimed to investigate the mother-daughter relationship from the perspective of mothers who are raising girls with ASD with normal intelligence and functional verbal communication. METHODS: Eleven in-depth interviews were conducted with mothers of girls with ASD, ages 10-19 years...
May 2, 2017: Child: Care, Health and Development
https://www.readbyqxmd.com/read/28458501/early-pubertal-timing-and-childhood-family-adversity-interact-to-predict-newlywed-women-s-anxiety-symptoms
#17
Jeffrey P Winer, Sally I Powers, Paula R Pietromonaco
The contextual amplification hypothesis posits that girls' early pubertal timing will predict anxiety and depression symptoms most strongly when early puberty occurs under adverse conditions. Research supporting this hypothesis has consistently linked early pubertal timing occurring in adverse contexts to symptoms during adolescence, but little is known about the link to adult symptoms. The present study examined the extent to which women's reports of early pubertal timing and childhood family adversity interact to predict symptoms of anxiety and depression during the first two years of marriage...
February 2017: Journal of Child and Family Studies
https://www.readbyqxmd.com/read/28458461/endocrine-status-of-patients-with-septo-optic-dysplasia-fourteen-japanese-cases
#18
Mikiko Koizumi, Shinobu Ida, Yasuko Shoji, Yuri Etani, Yoshikazu Hatsukawa, Nobuhiko Okamoto
A clinical diagnosis of septo-optic dysplasia (SOD) is made when two or more of the classical triad of optic nerve hypoplasia, pituitary hormone abnormalities or midline brain defects. To date, a clinical study of SOD, regarding its endocrinological features in particular, has not been undertaken in Japan. We retrospectively evaluated 14 SOD patients at our institution. Hormonal dysfunction was present in 78% of cases: ten cases presented combined hypopituitarism and one case presented precocious puberty. GHD and hypothyroidism were the most common endocrinopathies...
2017: Clinical Pediatric Endocrinology: Case Reports and Clinical Investigations: Official Journal of the Japanese Society for Pediatric Endocrinology
https://www.readbyqxmd.com/read/28458113/maternal-psychological-distress-and-child-decision-making
#19
Eirini Flouri, Sofia Ioakeimidi, Emily Midouhas, George B Ploubidis
BACKGROUND: There is much research to suggest that maternal psychological distress is associated with many adverse outcomes in children. This study examined, for the first time, if it is related to children's affective decision-making. METHODS: Using data from 12,080 families of the Millennium Cohort Study, we modelled the effect of trajectories of maternal psychological distress in early-to-middle childhood (3-11 years) on child affective decision-making, measured with a gambling task at age 11...
April 21, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28457480/how-should-we-investigate-children-with-growth-failure
#20
Juliane Léger
The early diagnosis of short stature is essential for effective management and treatment. Investigations for children with growth failure are required to distinguish between idiopathic short stature due to physiological variants (familial short stature, and constitutional delays of growth and puberty, or both), primary causes of short stature, such as syndromic and/or genetic defects and skeletal dysplasia, and secondary growth deficits due to endocrine or other chronic disorders such as celiac disease, Crohn's disease, malnutrition, renal, anorexia nervosa or other chronic diseases...
April 27, 2017: Annales D'endocrinologie
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