Results 61 to 70 of about 33,268 (235)

Paternal Sperm Gnas‐ICR Epigenetic Programming Contributes to PPP‐Like Phenotypes in Female Offspring

Advanced Science, EarlyView.
A paternal glucocorticoid–sperm Gnas‐ICR axis is linked to ovarian endocrine programming in female offspring. Paternal preconception caffeine exposure elevates corticosterone, promotes sperm Gnas‐ICR hypermethylation, and is associated with ovarian Gnas upregulation, cAMP/PKA/CREB–StAR activation, enhanced estradiol synthesis, and PPP‐like phenotypes ...
Jing Huang, Lu Chen, Tiancheng Wu, Yating Li, Hui Wang   +4 more
wiley   +1 more source

Transcriptome-wide identification and characterization of genes exhibit allele-specific imprinting in maize embryo and endosperm

BMC Plant Biology, 2023
Background Genomic imprinting refers to a subset of genes that are expressed from only one parental allele during seed development in plants. Studies on genomic imprinting have revealed that intraspecific variations in genomic imprinting expression exist
Xiaomei Dong, Haishan Luo, Wenjing Bi, Hanyu Chen, Shuai Yu, Xiaoyu Zhang, Yuxin Dai, Xipeng Cheng, Yupeng Xing, Xiaoqin Fan, Yanbin Zhu, Yanling Guo, Dexuan Meng   +12 more
doaj   +1 more source

Mechanical Intelligence in Bone Regeneration: Bridging Material and Cellular Memory for Enhanced Healing

Advanced Science, EarlyView.
Mechanical intelligence reframes bone regeneration as a time‐dependent coupling between material and cellular memory. Biomaterials store and release mechanical history, while cells retain prior cues and remodel the repair niche. Matching these memories to healing stages may guide stage‐specific scaffolds, sensing‐assisted prediction, mechanical dosing,
Jin Tian, Guoyou Huang, Yang Chen, Teng Ma, Bo Cheng, Feng Xu, XiaoKang Li, Pei Yang, Ting Wen   +8 more
wiley   +1 more source

The evolution of the DLK1-DIO3 imprinted domain in mammals.

PLoS Biology, 2008
A comprehensive, domain-wide comparative analysis of genomic imprinting between mammals that imprint and those that do not can provide valuable information about how and why imprinting evolved.
Carol A Edwards, Andrew J Mungall, Lucy Matthews, Edward Ryder, Dionne J Gray, Andrew J Pask, Geoffrey Shaw, Jennifer A M Graves, Jane Rogers, SAVOIR consortium, Ian Dunham, Marilyn B Renfree, Anne C Ferguson-Smith   +12 more
doaj   +1 more source

Ahcy Acts as an Effector of Hnf4a‐Driven Super‐Enhancer Activation to Alleviate MASLD During Intermittent Fasting

Advanced Science, EarlyView.
Our study identifies an Hnf4a‐driven super‐enhancer of hepatic Ahcy that mediates the protective effects of intermittent fasting against MASLD. Disruption of the Ahcy super‐enhancer reduces Ahcy expression and exacerbates lipid accumulation. This pathway prevents aberrant promoter hypermethylation by maintaining the SAM/SAH balance, as exemplified by ...
Huafeng Chen, Shilin Zhang, Xiaojie Deng, Wenqiang Xie, Fen Xu, Jie Shen, Hua Liang   +6 more
wiley   +1 more source

Streamlining Diagnosis of Bardet–Biedl Syndrome: New Diagnostic Algorithm With Updated Criteria

American Journal of Medical Genetics Part A, EarlyView.
ABSTRACT Considerable advances have been made in our understanding of Bardet–Biedl syndrome (BBS), particularly in its core clinical features and molecular genetics, warranting an update to the existing diagnostic criteria framework. Using a rigorous, evidence‐based, and consensus‐driven process, a multidisciplinary group of international experts and ...
Jeremy J. Pomeroy, Jesse Richards, Brooke R. Sweeney, Seema Kumar, Katie E. Queen, Joshua Zaritsky, Carl H. Cramer, Elias I. Traboulsi, Brittni A. Scruggs, Erica E. Davis, Ekaterina Keifer, Emma McGibbon, Timothy Ogden, Bendert De Graaf, Tonia Hymers, Elizabeth Forsythe, Philip Beales   +16 more
wiley   +1 more source

Copy number rather than epigenetic alterations are the major dictator of imprinted methylation in tumors

Nature Communications, 2017
Altered genomic imprinting is frequently reported in cancer. Here, the authors analyze copy number and methylation in cancer cell lines and primary tumors to show that imprinted methylation profiles represent the accumulation of copy number alteration ...
Alex Martin-Trujillo, Enrique Vidal, Ana Monteagudo-Sánchez, Marta Sanchez-Delgado, Sebastian Moran, Jose Ramon Hernandez Mora, Holger Heyn, Miriam Guitart, Manel Esteller, David Monk   +9 more
doaj   +1 more source

UBE3A Dosage Imbalance as a Molecular Framework Linking Angelman Syndrome and Dup15q‐Associated Autism Phenotypes

American Journal of Medical Genetics Part B: Neuropsychiatric Genetics, EarlyView.
ABSTRACT UBE3A is a dosage‐sensitive HECT E3 ubiquitin ligase whose neuronal expression is shaped by genomic imprinting at the 15q11.2‐q13 locus. Opposite directions of UBE3A dosage imbalance contribute to distinct neurodevelopmental phenotypes: loss of maternal UBE3A underlies Angelman syndrome, whereas maternally derived 15q11.2‐q13 copy‐number gains,
Ruslan Kurmashev
wiley   +1 more source

Theory of genomic imprinting conflict in social insects

BMC Evolutionary Biology, 2003
Background Genomic imprinting refers to the differential expression of genes inherited from the mother and father (matrigenes and patrigenes). The kinship theory of genomic imprinting treats parent-specific gene expression as products of within-genome ...
Queller David C
doaj   +1 more source

Genomic imprinting and assisted reproduction

Reproductive Health, 2004
Imprinted genes exhibit a parent-of-origin specific pattern of expression. Such genes have been shown to be targets of molecular defects in particular genetic syndromes such as Beckwith-Wiedemann and Angelman syndromes. Recent reports have raised concern
Chaillet J Richard, Paoloni-Giacobino Ariane   +1 more
doaj   +1 more source