Results 71 to 80 of about 16,236,368 (310)

Development Effectiveness Overview (DEO) 2020: Executive Summary

open access: yes, 2020
The Development Effectiveness Overview (DEO) is an annual report produced by the IDB Group to share the results and impact of its work in Latin America and the Caribbean.
Inter-American Development Bank
core   +1 more source

From junk to function — How weak selection in eukaryotes builds new parts and drives genomic complexity

open access: yesFEBS Letters, EarlyView.
How do genomes gain new functional parts? In eukaryotes, which tend to evolve under weak selection, much of the genome is junk. Palazzo and Qiu borrow the logic of Markov chains to show how non‐functional DNA becomes functional through the appearance of intermediate states, which arise due to epistasis, buffering, and biochemical messiness, allowing ...
Alexander F. Palazzo, Yi Qiu
wiley   +1 more source

The role of SCF ubiquitin-ligase complex at the beginning of life

open access: yesReproductive Biology and Endocrinology, 2019
As the largest family of E3 ligases, the Skp1-cullin 1-F-box (SCF) E3 ligase complex is comprised of Cullins, Skp1 and F-box proteins. And the SCF E3 ubiquitin ligases play an important role in regulating critical cellular processes, which promote ...
Jiayan Xie, Yimei Jin, Guang Wang
doaj   +1 more source

RNA‐related functions of BRCA2 in transcription, replication, and genome stability

open access: yesFEBS Letters, EarlyView.
Beyond its role in homologous recombination, BRCA2 regulates R‐loop homeostasis, DNA–RNA hybrid resolution, RNA polymerase II dynamics, and transcriptional activation. Disruption of any of these functions can contribute to genome instability, inflammatory signaling, and tumorigenesis. BRCA2 is a central tumor suppressor protein best known for its roles
Lucia Alvaro‐Aranda   +2 more
wiley   +1 more source

Differential Hox expression in murine embryonic stem cell models of normal and malignant hematopoiesis [PDF]

open access: yes, 2011
The Hox family are master transcriptional regulators of developmental processes, including hematopoiesis. The Hox regulators, caudal homeobox factors (Cdx1-4), and Meis1, along with several individual Hox proteins, are implicated in stem cell expansion ...
Glenda J. Dickson   +16 more
core   +1 more source

Association between mental health and male fertility: depression, rather than anxiety, is linked to decreased semen quality

open access: yesFrontiers in Endocrinology
BackgroundInfertility is increasingly recognized as a global health issue affecting couples of reproductive age, with male factors contributing to approximately 50% of infertility cases.
Yi Zhang   +19 more
doaj   +1 more source

Lysyl oxidase (LOX)‐mediated remodeling of the extracellular matrix

open access: yesFEBS Letters, EarlyView.
The lysyl oxidase (LOX) family of enzymes drives extracellular matrix remodeling by oxidizing collagen, elastin, and fibronectin, promoting covalent cross‐link formation. This activity regulates tissue architecture and mechanical properties, while its dysregulation contributes to fibrosis, cardiovascular disease, glaucoma, connective tissue disorders ...
Fernando Rodríguez‐Pascual   +3 more
wiley   +1 more source

Meeting embryonic requirements of broilers throughout incubation: a review [PDF]

open access: yes, 2010
During incubation of chicken embryos, environmental conditions, such as temperature, relative humidity, and CO2 concentration, must be controlled to meet embryonic requirements that change during the different phases of embryonic development.
Brand, H., van den   +3 more
core  

Analysis of factors associated with IVF/ICSI clinical outcomes in advanced maternal age patients with normal ovarian reserve under the POSEIDON criteria

open access: yesFrontiers in Endocrinology
BackgroundThere is limited research about the pregnancy outcomes of POSEIDON group 2 patients. This study aims to evaluate the factors related to the clinical outcomes of in vitro fertilization (IVF) and/or intracytoplasmic sperm injection (ICSI) in ...
Yicen Meng   +16 more
doaj   +1 more source

Comparing the paths of Hedgehog release in artificial and natural settings

open access: yesFEBS Letters, EarlyView.
Hh morphogens require solubilization factors to overcome their tight association with the plasma membrane and signal to distant cells, but the precise functions of these factors are controversial. Here, we use published in vivo observations as the most relevant evidence to test their suggested functions and discuss contradictions and gaps between in ...
Janna Puschmann, Kay Grobe
wiley   +1 more source

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