Results 51 to 60 of about 12,066 (178)

Ovarian cysts and tumors as the cause of isosexual pseudoprecocious puberty [PDF]

Srpski Arhiv za Celokupno Lekarstvo, 2006
Introduction. Precocious puberty in girls is generally defined as appearance of secondary sexual characteristics before eight years of age. Menarche before the ninth birthday may serve as an additional criterion.
Mitrović Katarina, Zdravković Dragan, Milenković Tatjana, Sedlecki Katarina, Stanković Zoran   +4 more
doaj   +1 more source

Sperm Telomere Interactions Are Impaired in Testicular Cancer Before and After Adjuvant Therapy

Andrology, EarlyView.
ABSTRACT Background No study has yet explored telomere length or interaction in sperm nuclei of testicular cancer (TC) patients exposed to chemotherapy or radiotherapy. However, sperm telomere dynamics have emerged as a potential marker in male infertility.
Benoit Berby, Sylvianne Hennebicq, Jacqueline Saias, Florence Brugnon, Isabelle Berthaut, Myriam Daudin, Louis Bujan, Ludovic Dumont, Christine Rondanino, Aurélie Feraille, Nathalie Rives   +10 more
wiley   +1 more source

Revertant Mosaicism Obscures Long‐Awaited Molecular Confirmation of Diamond‐Blackfan Anemia

American Journal of Medical Genetics Part A, EarlyView.
Nicholas A. Borja, Mustafa Tekin
wiley   +1 more source

Neoplastic Risk in Patients With Klinefelter Syndrome

Andrology, EarlyView.
ABSTRACT Background Besides gonadal involvement (hypogonadism, male factor infertility, and testicular hypotrophy), patients with Klinefelter syndrome (KS) may suffer from several extra‐gonadic complications, including neoplastic events. Objective The aim of this review is to summarize all major clinical evidence dealing with the association between KS
Andrea Graziani, Giuseppe Grande, Riccardo Selice, Antonella Di Mambro, Alberto Ferlin   +4 more
wiley   +1 more source

A Testicular Leydig Cell Tumor; An Uncommon Cause of Precocious Puberty: A Case Report With Secondary Central Precocious Puberty

Acta Medica Iranica, 2023
Sexual precocity in boys is defined as any sign of secondary sexual characteristics present before the age of 9. Leydig cell tumors of the testes are a rare cause of peripheral precocious puberty in boys.
Seyede Tahereh Mousavi, Farshad Zohrabi, Mohammadreza Farzaneh   +2 more
doaj  

Genetic Parameters and Genome‐Wide Association Studies for Fertility and Reproduction Traits in U.S. Katahdin Sheep Based on the Single‐Step GBLUP Methodology

Journal of Animal Breeding and Genetics, EarlyView.
ABSTRACT Sheep production contributes to a secure and diverse food and fibre supply in the United States, with growing ethnic diversity strengthening demand. Katahdin is a composite hair‐type sheep breed developed in the United States that has become the most popular breed in many regions of the country and the first one to have genomic selection ...
Alejandra Toro Ospina, Ronald M. Lewis, Bradley A. Freking, Joan M. Burke, Thomas W. Murphy, Carrie S. Wilson, Luiz F. Brito   +6 more
wiley   +1 more source

Genetic Relationships Between Residual Gain and Economically Important Traits in Nellore Cattle

Journal of Animal Breeding and Genetics, EarlyView.
ABSTRACT Sustainable beef production requires identifying animals with superior feed efficiency to reduce environmental impact and production costs. This study aimed to estimate heritability and genetic correlations between residual gain (RG) and growth, reproductive, carcass and feed efficiency traits in Nellore cattle.
Miller Teodoro, Gabriel Gubiani, Letícia Pereira, Amanda Santos Gubiani, Angélica Simone Cravo Pereira, Roberto Sainz, Cláudio Ulhôa Magnabosco, Fernando Baldi   +7 more
wiley   +1 more source

Clinical spectrum of precocious puberty and its normal variants in children: insights from a seven-year review in a tertiary hospital, Calabar, Nigeria

Ibom Medical Journal
Context: Precocious puberty, clinically defined as the development of secondary sexual characteristics before 8 years of age in girls and 9 years in boys, represents a clinical spectrum that encompasses both pathological and non-pathological variants of
Eyong ME, Nsa EI, Uzomba CI, Eyong EM, Brown E, Ikobah JM, Etuk IS   +6 more
doaj   +1 more source

Association between MKRN3 and LIN28B polymorphisms and precocious puberty

BMC Genetics, 2018
Background The present study aimed to investigate the association between MKRN3 and LIN28B gene polymorphisms and precocious puberty in Korean boys and girls.
Bo Ram Yi, Hyun Jeong Kim, Hye Sook Park, Yoon Jeong Cho, Ju Young Kim, Jeong Yee, Jee Eun Chung, Joo Hee Kim, Kyung Eun Lee, Hye Sun Gwak   +9 more
doaj   +1 more source

Body size of male Atlantic salmon (Salmo salar L.) at introduction of a 5‐week LD12:12 winter signal influences their decision to mature early or smoltify

Journal of Fish Biology, EarlyView.
Abstract Sexual maturation of male Atlantic salmon post‐smolts (‘jacking’) is undesired in aquaculture and seems to occur due to the intensification in modern facilities. Maturation depends on internal and external factors (temperature, photoperiod, feed availability, energy levels, body size, genetic background) that act on the brain‐pituitary‐gonad ...
Enrique Pino‐Martinez, Kristine F. Staveland, Mitchell S. Fleming, Pablo Balseiro, Cindy Pedrosa, Sigurd O. Handeland   +5 more
wiley   +1 more source