Results 21 to 30 of about 7,348,517 (171)

Contrasting evolutionary dynamics of the developmental regulator PAX9, among bats, with evidence for a novel post-transcriptional regulatory mechanism. [PDF]

open access: yesPLoS ONE, 2013
Morphological evolution can be the result of natural selection favoring modification of developmental signaling pathways. However, little is known about the genetic basis of such phenotypic diversity.
Caleb D Phillips   +4 more
doaj   +1 more source

Genes Linked with Orthodontic Issues and the Knowledge Gaps in This Association

open access: yesPhilippine Journal of Obstetrics and Gynecology, 2023
Orthodontics is the study of malpositioned teeth and jaws. Some commonly found orthodontic issues are malocclusions, mandibular prognathism, retrognathism, and facial asymmetry. These issues are associated with several genetic factors.
Abdulaziz Mohammed Alshahrani
doaj   +1 more source

Natural selection and molecular evolution in primate PAX9 gene, a major determinant of tooth development. [PDF]

open access: yesProceedings of the National Academy of Sciences, 2006
Large differences in relation to dental size, number, and morphology among and within modern human populations and between modern humans and other primate species have been observed. Molecular studies have demonstrated that tooth development is under strict genetic control, but, the genetic basis of primate tooth variation remains ...
T. V. Pereira   +12 more
semanticscholar   +3 more sources

Pax9 and Gbx2 Interact in the Pharyngeal Endoderm to Control Cardiovascular Development

open access: yesJournal of Cardiovascular Development and Disease, 2020
The correct formation of the aortic arch arteries depends on a coordinated and regulated gene expression profile within the tissues of the pharyngeal arches.
Catherine A. Stothard   +7 more
doaj   +1 more source

Molecular Evolution of the Primate Developmental Genes MSX1 and PAX9 [PDF]

open access: yesMolecular Biology and Evolution, 2005
In primates, the craniofacial skeleton and the dentition are marked by high levels of interspecific variation. Despite this, there are few comparative species studies conducted at the molecular level to investigate this functional diversity. We have determined nucleotide sequences of MSX1 and PAX9, two developmental genes, in a sample of 27 diverse ...
George H, Perry   +2 more
openaire   +2 more sources

Genetic variation among major human geographic groups supports a peculiar evolutionary trend in PAX9. [PDF]

open access: yesPLoS ONE, 2011
A total of 172 persons from nine South Amerindian, three African and one Eskimo populations were studied in relation to the Paired box gene 9 (PAX9) exon 3 (138 base pairs) as well as its 5'and 3'flanking intronic segments (232 bp and 220 bp ...
Vanessa R Paixão-Côrtes   +9 more
doaj   +1 more source

A novel mutation in the WNT6 gene of congenital tooth agenesis

open access: yes口腔疾病防治, 2023
Objective This article explores the relationship between congenital tooth agenesis and related gene mutations, providing a reference for early diagnosis of the disease.
DAI Zhuo   +4 more
doaj   +1 more source

Transcriptional analysis of the human PAX9 promoter

open access: yesJournal of Applied Oral Science, 2010
OBJECTIVES: PAX9 belongs to the Pax family of transcriptional factor genes. This gene is expressed in embryonic tissues such as somites, pharyngeal pouch endoderm, distal limb buds and neural crest-derived mesenchyme.
Carolina Vieira de Almeida   +4 more
doaj   +1 more source

Functional Screenings Identify Regulatory Variants Associated with Breast Cancer Susceptibility

open access: yesCurrent Issues in Molecular Biology, 2021
Genome-wide association studies (GWAS) have identified more than 2000 single nucleotide polymorphisms (SNPs) associated with breast cancer susceptibility, most of which are located in the non-coding region.
Naixia Ren   +5 more
doaj   +1 more source

Role of polymorphisms of MSX1 and PAX9 genes in palatal impaction of maxillary canines [PDF]

open access: yesJournal of Orthodontics, 2019
Objective: Maxillary canines are the second-most commonly impacted teeth. About two-thirds of the impacted maxillary canines are palatally impacted. Studies in the past have shown that 40% of cases with palatal impaction of maxillary canines presented with agenesis of third molars.
M S Anjana, Devi, Sridevi, Padmanabhan
openaire   +2 more sources

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