Results 101 to 110 of about 2,516,152 (276)

Is frozen embryo transfer better than fresh embryo transfer in women undergoing intracytoplasmic sperm injection over the age of thirty-five? A single referral centre experience

open access: yes, 1998
Developments in embryo freezing techniques in recent years have increased the chance of pregnancy after frozen embryo transfers. In this study we aimed to compare the pregnancy outcomes between fresh (ET) and frozen-thawed embryo transfer (FET) and to ...
Goker, Ege Nazan Tavmergen   +10 more
core   +1 more source

WFS1 Deficiency Impairs PIAS4‐Associated SUMOylation and Increases Ubiquitin‐Mediated Spermatogenesis‐Related Protein Degradation Leading to Testicular Male Infertility

open access: yesAdvanced Science, EarlyView.
The findings establish a critical role for WFS1 in human male fertility. Mechanistically, WFS1 interacts with PIAS4 to promote the SUMOylation of key spermatogenesis‐associated proteins, which in turn competitively inhibits their K48‐linked ubiquitin‐mediated degradation during spermatogenesis.
Yunchuan Tian   +14 more
wiley   +1 more source

Does luteal phase support by human chorionic gonadotropin improve pregnancy outcomes in frozen-thawed embryo transfer cycles?

open access: yesMiddle East Fertility Society Journal, 2018
Objective: The present study was aimed to investigation the effect of human chorionic gonadotropin (hCG) administration on the implantation and pregnancy outcomes in the frozen-thawed embryo transfer (FET) cycles.
Maryam Eftekhar   +3 more
doaj   +1 more source

Success of frozen embryo transfer: Does the type of gonadotropin influence the outcome?

open access: yes, 2010
Hesham Al-Inany1, Pieter van Gelder21Egyptian IVF-ET Center, Maadi, Egypt; 2PSCT BV, Den Haag, The NetherlandsObjectives: To determine whether there is a difference in outcome between different ovulationinduced cycles after frozen-thawed embryo transfer (
Hesham Al-Inany, Pieter van Gelder
core  

One‐Step Induction of Oogonia‐Like and Pro‐Spermatogonia‐Like Cells From Porcine Pluripotent Stem Cells

open access: yesAdvanced Science, EarlyView.
This study established a one‐step method inducing pro‐spermatogonia‐like (activating SOX17) and oogonia‐like (activating SOX17/TFAP2C) cells from porcine pgEpiSCs with a NANOS3‐tdTomato reporter. EGF activates the core PGC program and supports survival; BMP4 further induces NANOS3 and DDX4 expression; IWR1 enhances PGCLC efficiency by suppressing ...
Pengcheng He   +14 more
wiley   +1 more source

The effect of elevated progesterone levels before HCG triggering in modified natural cycle frozen-thawed embryo transfer cycles

open access: yes, 2017
Recent studies suggest that elevated late follicular phase progesterone concentrations after ovarian stimulation for IVF may result in embryo-endometrial asynchrony, reducing the chance of successful implantation after fresh embryo transfer.
Spinder, Taeke   +8 more
core   +3 more sources

ZMIZ2–DUX4–LGR5 Signaling Axis Maintains Stemness Properties and Facilitates Docetaxel Resistance in Triple‐Negative Breast Cancer

open access: yesAdvanced Science, EarlyView.
This study identifies ZMIZ2 as a therapeutic target for docetaxel‐resistant triple‐negative breast cancer, sustaining cancer stemness‐associated properties and docetaxel resistance. ZMIZ2 upregulation enhances DUX4‐mediated LGR5 activation through the SWI/SNF components BRG1 and BAF57.
Xueting Gan   +9 more
wiley   +1 more source

Long‐Term Expandable Periosteal Organoids Reconstruct a Functional Regenerative Niche That Support Hematopoietic Stem Cell Maintenance and Bone Repair

open access: yesAdvanced Science, EarlyView.
A robust periosteal organoid system enables long‐term expansion while preserving native cellular heterogeneity. These organoids recapitulate functional niche environments, support hematopoietic stem cell maintenance, and attenuate aging‐associated decline ex vivo.
Jia Qing   +9 more
wiley   +1 more source

Large Oncosomes Induce Pro‐Metastatic Stromal‐Myeloid Reprogramming

open access: yesAdvanced Science, EarlyView.
Large oncosomes systemically reprogram bone marrow mesenchymal stem cells through innate nucleic acid sensing, driving inflammatory and immunosuppressive remodeling that supports a metastasis‐permissive bone marrow environment, revealing a novel tumor‐host communication axis in cancer. ABSTRACT Bone metastasis can be facilitated by systemic remodeling,
Taylon Felipe Silva   +18 more
wiley   +1 more source

MicroRNA‐941 Acts as a Novel Prognostic Predictor and Oncogenic Driver in Colorectal Cancer

open access: yesAnnals of Gastroenterological Surgery, EarlyView.
Upregulation of miR‐941 was a promising diagnostic and prognostic biomarker for CRC patients. Inhibition of miR‐941 significantly suppressed CRC cellular events and triggered ferroptosis. The oncogenic functions of miR‐941 were mediated through targeting TRPS1.
Hong Li   +5 more
wiley   +1 more source

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