Results 111 to 120 of about 133,635 (289)

Multiple Roles of Protamine Kinase SRPK1 and Phosphatase PP1γ in Sperm Development

open access: yesPROTEOMICS, EarlyView.
ABSTRACT Protein phosphorylation regulates key events of male germ cell differentiation. In the testis, SRPK1 and PP1γ are involved in protamine phosphorylation and dephosphorylation, respectively, and their deregulation is linked to defective chromatin structure and male infertility.
Alberto de la Iglesia   +7 more
wiley   +1 more source

Morphology, morphometry and ultrastructure of the Amazonian manatee (Sirenia: Trichechidae) spermatozoa

open access: yesZoologia (Curitiba), 2010
This study describes the morphological, morphometric and ultrastructural characteristics of the Amazonian manatee Trichechus inunguis (Natterer, 1883) spermatozoon. The spermatozoa were obtained from a urine sample of an adult T.
Rodrigo S. Amaral   +4 more
doaj   +1 more source

Exploring the Impact of Polystyrene Microplastic Beads on Male Gonads of the Marine Mussel, Mytilus galloprovincialis

open access: yesEnvironmental Toxicology, EarlyView.
ABSTRACT Plastic, with its remarkable versatility and numerous applications, has greatly benefited humanity. However, its extreme resistance to natural degradation means it persists in the environment for long periods, causing global environmental problems.
Teresa Chianese   +13 more
wiley   +1 more source

Reproductive physiology of the female cat [PDF]

open access: yes, 2003
Ovarian cyclicity induces considerable changes in morphology, physiology and function of the reproductive organs in animals. This thesis aimed to study reproductive physiology of the female domestic cat, focusing on the cervix, uterus and uterine tube ...
Chatdarong, Kaywalee
core  

Global Fluoride Toxicology Landscape: Bibliometric Approaches and Scientific Mapping

open access: yesEnvironmental Toxicology, EarlyView.
ABSTRACT This study analyzed research trends in the 100 most‐cited articles on fluoride toxicology, a topic widely debated due to the toxic effects associated with levels deemed safe for human exposure. A bibliometric analysis was conducted using the Web of Science‐Core Collection, extracting data such as citation count, authors, keywords, journal ...
Maria Karolina Martins Ferreira   +8 more
wiley   +1 more source

Pengaruh Frekuensi Penampungan Semen terhadap Volume, Konsentrasi dan Motilitas Spermatozoa Ayam Pelung

open access: yesIndonesia Medicus Veterinus, 2018
Penelitian ini bertujuan untuk mengetahui pengaruh frekuensi penampungan semen terhadap volume semen, konsentrasi spermatozoa, dan motilitas spermatozoa ayam pelung. Penelitian ini menggunakan 4 ekor ayam pelung jantan berumur 8 bulan.
I Gusti Ayu Made Saridewi   +2 more
doaj  

Utilização de extrato de própolis verde no resfriamento de sêmen equino [PDF]

open access: yes, 2014
Seminal cooling aims to prolong spermatic lifespan and fertilizing capacity due to reduction in energy metabolism of spermatozoa, providing enough period for transportation from the stallion to the mare.
Santos, Fernanda Carlini Cunha dos
core   +1 more source

Chrysin Mitigates Acetamiprid‐Induced Testicular Injury in Mice via Suppression of Endoplasmic Reticulum Stress and Inflammation

open access: yesEnvironmental Toxicology, EarlyView.
ABSTRACT Acetamiprid (ACP) is a neonicotinoid pesticide that is extensively utilized for the management of insect populations, but its toxic effects on the male reproductive system have become a source of concern. Chrysin (CHR) is a natural flavone found in many plants and bee products, including honey and propolis.
Selim Demir   +7 more
wiley   +1 more source

Synergistic Toxicity of Low‐Concentration Metal Mixture on Male Rats: Reproductive, Renal, and Hepatic Effects

open access: yesEnvironmental Toxicology, EarlyView.
ABSTRACT Mining plays a crucial role in economic development, but improper management can lead to severe environmental degradation. Particularly for iron ore, mining generates vast amounts of tailings often stored in unstable dams. This study aims to investigate the toxicological impacts of environmentally relevant concentrations of metals mixture ...
Kalinka Helóra Gomes de Almeida   +7 more
wiley   +1 more source

Gonadal Development–Related Genes and a Male‐Specific Genetic Marker Identified in the Endangered Sichuan Taimen (Hucho bleekeri)

open access: yesIntegrative Zoology, EarlyView.
Integrated transcriptomic and proteomic analyses were used to validate gonadal development–related genes and to identify a sex‐specific molecular marker in Hucho bleekeri. ABSTRACT Sex determination and differentiation represent fundamental topics in reproductive biology. Sichuan taimen (Hucho bleekeri), a first‐class national protected fish species in
Qinyao Wei   +5 more
wiley   +1 more source

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