Results 131 to 140 of about 46,526 (241)

Expert approach to severe oligospermia in a patient with prior cryptorchidism and in vitro fertilization failure. [PDF]

F S Rep
Brems JA, Coward RM.
europepmc   +1 more source

The role of venture‐financed startups in innovation for US agriculture

American Journal of Agricultural Economics, EarlyView.
Abstract To evaluate the role played by startup companies in the innovation ecosystem of US agriculture, we compile a unique dataset of 6024 new entrants founded 1987–2019 that details their financing lifecycles, annual economic performance, and patenting activities.
Gregory D. Graff, Charles A. W. de Grazia, Nicholas E. Rada   +2 more
wiley   +1 more source

Oocyte gene mutations increase rates of total fertilization failure: a systematic review and meta-analysis. [PDF]

Reprod Biol Endocrinol
Kepkep B, Botos MS, Yazıcı İ, Frivaldszky L, Rancz A, Hegyi P, Ács N, Melczer Z, Szentes B, Sipos M.   +9 more
europepmc   +1 more source

Humanized immune system animal models and their recent applications

Animal Models and Experimental Medicine, EarlyView.
In this review, we provide an updated and comprehensive overview of the current state of humanized immune system animal model research. We discuss the variety of techniques used to produce humanized mice with their respective strengths and weaknesses, and evaluate the advantages and limitations of these models, including issues with incomplete immune ...
Nicolas Skuli, Rudra B. Amin, A’ishah Bakayoko, Marisa Kruidenier, Sahara Aqui, Sarah J. Skuli, Terence P. Gade   +6 more
wiley   +1 more source

Differences in microbial profile of endometrial fluid and tissue samples in women with in vitro fertilization failure are driven by Lactobacillus abundance. [PDF]

Acta Obstet Gynecol Scand, 2022
Lüll K, Saare M, Peters M, Kakhiani E, Zhdanova A, Salumets A, Boyarsky K, Org E.   +7 more
europepmc   +1 more source

Unexplained Total Fertilization Failure after Intracytoplasmic Sperm Injection Cycles: A Case-Control Study on Predictive Factors and Retreatment Prognosis. [PDF]

Int J Fertil Steril, 2022
Mostafaei P, Ghaffari F, Zolfaghari Z, Vesali S.   +3 more
europepmc   +1 more source

Fertilization failure and oocyte activation

Fertilization failure and oocyte activation
Recent reports have suggested that when unfertilized oocytes with a sperma-tozoon after intracytoplasmic sperm injection (ICSI) are properly activated, the activated oocytes develop normaly similar to fertilized oocytes. However, human oocytes do not easily respond to universal activators of mammalian oocytes like ethanol or calcium ionophore A23187 ...
openaire  

Embedding Chemistry and Pharmacy Into Sustainability

Angewandte Chemie International Edition, EarlyView.
Chemistry and pharmacy provide products and processes that are indispensable for our high living standard. To understand their relationship with sustainability is important to allow them to contribute to sustainability in a sustainable manner. An integrated overview of green, circular, and sustainable chemistry and pharmacy is given and how they have t
Klaus Kümmerer
wiley   +1 more source

A Novel Variant of the <i>ACTRT1</i> Gene Is Potentially Associated with Oligoasthenoteratozoospermia, Acrosome Detachment, and Fertilization Failure. [PDF]

Genes (Basel)
Solovova O, Khayat S, Bogolyubov S, Bragina E, Cherevatova T, Chernykh V.   +5 more
europepmc   +1 more source

Homozygous pathogenic variants in ACTL9 cause fertilization failure and male infertility in humans and mice. [PDF]

Am J Hum Genet, 2021
Dai J, Zhang T, Guo J, Zhou Q, Gu Y, Zhang J, Hu L, Zong Y, Song J, Zhang S, Dai C, Gong F, Lu G, Zheng W, Lin G.   +14 more
europepmc   +1 more source