Results 41 to 50 of about 5,225,716 (254)

Sex differences in early and term placenta are conserved in adult tissues

open access: yesBiology of Sex Differences, 2022
Highlights Sex differences in gene expression in late first trimester placentas are positively correlated with sex differences in gene expression in full-term placentas; sex differences develop early and are maintained. Sex differences in gene expression
Kimberly C. Olney   +8 more
doaj   +1 more source

Solid Pseudopapillary Neoplasm of the Pancreas in Children and Adolescents: Expert Recommendations

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Solid pseudopapillary neoplasm of the pancreas (SPN) is a rare low‐grade malignant exocrine pancreatic tumor, mostly discovered during the second decade of life in females, with a very good prognosis, provided microscopically complete surgical excision is achieved.
Sabine Irtan   +18 more
wiley   +1 more source

Ecología reproductiva de la especie funcionalmente dioica Catasetum integerrimum (Orchidaceae) en el centro de Veracruz, México

open access: yesBotan‪ical Sciences
Antecedentes: Orquídeas Catasetum son dioicas, con mecanismo de polinización tipo catapulta, su sexo está determinado por las condiciones ambientales estresantes y costosas.
Angélica María Hernández-Tamírez
doaj   +1 more source

Positive selection underlies Faster-Z evolution of gene expression in birds. [PDF]

open access: yes, 2015
The elevated rate of evolution for genes on sex chromosomes compared to autosomes (Fast-X or Fast-Z evolution) can result either from positive selection in the heterogametic sex, or from non-adaptive consequences of reduced relative effective population ...
Zimmer, F   +4 more
core  

Deficiency in the multicopy Sycp3-like X-linked genes Slx and Slxl1 causes major defects in spermatid differentiation. [PDF]

open access: yes, 2010
The human and mouse sex chromosomes are enriched in multicopy genes required for postmeiotic differentiation of round spermatids into sperm. The gene Sly is present in multiple copies on the mouse Y chromosome and encodes a protein that is required for ...
Ojarikre, Obah A.   +19 more
core   +1 more source

Impact of Radiation Therapy on Physical and Psychosocial Health of Adolescents and Young Adults: A Joint Report From the Children's Oncology Group AYA and Radiation Oncology Committees

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Rates of cancer among adolescents and young adults (AYA), age 15–39 years, are increasing. Consequently, radiation oncologists are treating more AYAs who have diagnoses spanning both pediatric and adult practices. Compared to pediatric and older adult patients, AYAs face a unique set of challenges.
Hesham Elhalawani   +7 more
wiley   +1 more source

The effects of intimacy and target sex on direct aggression: Further evidence [PDF]

open access: yes, 2012
The effects on aggression of target sex and relationship with the target were investigated using self-report data. One hundred and seventy-four participants (115 female) reported on acts of direct aggression in the last two years towards: intimate ...
Cross, Catharine Penelope   +2 more
core   +1 more source

Social Functioning Within the First Years After Pediatric Brain Tumor Diagnosis and the Relationship With Family Psychosocial Risk

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background Survivors of pediatric brain tumors (PBTs) can experience long‐term social difficulties, impacting quality of life. Beyond medical and environmental factors, family psychosocial risk may play a role in social outcomes by shaping the caregiving environment and may provide intervention options.
Renske H. Houben   +4 more
wiley   +1 more source

Why not XY? Male monoecious sexual phenotypes challenge the female monoecious paradigm in Cannabis sativa L.

open access: yesFrontiers in Plant Science
Monoecy in Cannabis sativa L. has long been considered an industrially important trait due to the increased uniformity it offers and was thought to be exclusively associated with XX females.
Lennard Garcia-de Heer   +3 more
doaj   +1 more source

Sex-specific associations between telomere length and candidate miRNA expression in placenta

open access: yesJournal of Translational Medicine, 2018
Background In the early-life environment, proper development of the placenta is essential for both fetal and maternal health. Telomere length at birth has been related to life expectancy.
Maria Tsamou   +5 more
doaj   +1 more source

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