Results 181 to 190 of about 1,568,056 (388)

Toxicity of 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD) in the developing male Wistar(Han) rat II: chronic dosing causes developmental delay [PDF]

open access: yes, 2007
We have investigated whether fetal exposure to 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD) causes defects in the male reproductive system of the rat, using chronically exposed rats to ensure continuous exposure of the fetus. 5-6 week old rats were exposed
Bell, David Robert   +11 more
core   +1 more source

The Hsp90β Isoform: An Attractive Target for Drug Development

open access: yesMedicinal Research Reviews, EarlyView.
ABSTRACT The beta isoform of 90 kDa heat shock protein (Hsp90β) plays a critical role in maintaining cellular proteostasis by assisting in the folding and refolding of proteins, which is essential for both normal cellular function and stress response.
Subhabrata Chaudhury   +2 more
wiley   +1 more source

Stacked dense optical flows and dropout layers to predict sperm motility and morphology [PDF]

open access: yesarXiv, 2019
In this paper, we analyse two deep learning methods to predict sperm motility and sperm morphology from sperm videos. We use two different inputs: stacked pure frames of videos and dense optical flows of video frames. To solve this regression task of predicting motility and morphology, stacked dense optical flows and extracted original frames from ...
arxiv  

Semen Analysis of Total Motile Sperm Count Based on the 1999 and 2010 WHO Criteria. [PDF]

open access: yesJBRA Assist Reprod, 2022
Zorzi PM   +4 more
europepmc   +1 more source

Do environmental fluctuations during development affect trait variation? An experimental test with salinity

open access: yesOikos, EarlyView.
Human‐induced climate change is a driver of extinction, with extreme events occurring more frequently. It increases both the amount and fluctuations in environmental stress that organisms experience. In such environments, greater intra‐specific trait variation creates more potential for adaptation through natural selection.
Meng‐Han Joseph Chung   +2 more
wiley   +1 more source

Intrauterine Hyponutrition Reduces Fetal Testosterone Production and Postnatal Sperm Count in the Mouse. [PDF]

open access: yesJ Endocr Soc, 2022
Fujisawa Y   +10 more
europepmc   +1 more source

Comprehensive Review of the Impact of Maternal Stress on Fetal Development

open access: yesPediatric Discovery, EarlyView.
ABSTRACT Maternal stress impacts millions of pregnant women across the globe each year and refers to mental or psychological stress that occurs during the prenatal period. Although it remains known that maternal stress can negatively impact maternal health, the downstream effects of stress on fetal and infant development in the long‐term are unclear ...
Divya Tadanki   +8 more
wiley   +1 more source

Point, Detect, Count: Multi-Task Medical Image Understanding with Instruction-Tuned Vision-Language Models [PDF]

open access: yesarXiv
We investigate fine-tuning Vision-Language Models (VLMs) for multi-task medical image understanding, focusing on detection, localization, and counting of findings in medical images. Our objective is to evaluate whether instruction-tuned VLMs can simultaneously improve these tasks, with the goal of enhancing diagnostic accuracy and efficiency.
arxiv  

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