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Haploid like spermatid generation by transplantation of neonatal mouse testicular tissue into the epididymal fat of castrated adult mouse.
JBRA Assist Reprod
January 2025
Department of Anatomical Sciences, Faculty of Medicine, Tarbiat Modares University, Tehran, Iran.
Objective: Many cancer survivors may experience irreversible infertility due to chemotherapy treatment for childhood cancer. In this study, spermatogenesis development was evaluated following the grafting of fresh and frozen-thawed testicular tissue from neonatal mice to the epididymal fat of adult mice.
Methods: After bilateral castration of recipient mice, fresh or frozen-thawed neonatal testis tissues were grafted into the epididymal fat of the mice.
Polydopamine-Induced BMP7-Poly (Lactic-Co-Glycolic Acid)-Nanoparticle Coating Facilitates Osteogenesis in Porous Tantalum Scaffolds.
J Biomed Mater Res A
January 2025
Department of Orthopedics, The Third Affiliated Hospital of Chongqing Medical University, Chongqing, People's Republic of China.
Bone defects are difficult to treat clinically and most often require bone grafting for repair. However, the source of autograft bone is limited, and allograft bone carries the risk of disease transmission and immune rejection. As tissue engineering technology advances, bone replacement materials are playing an increasingly important role in the treatment of bone defects.
View Article and Find Full Text PDFComparison of clinical artificial oocyte activation protocols on mouse egg activation and embryo development.
Reproduction
January 2025
D Cohen, Fundación IBYME. Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET)., Instituto de Biología y Medicina Experimental, Buenos Aires, Argentina.
Artificial oocyte activation (AOA) with Ca2+ ionophores is an experimental procedure that benefits patients who fail to obtain fertilized eggs. However, the impact of non-physiological Ca2+ increases on cellular events involved in egg-embryo transition and early development remains poorly understood. Using the mouse model, this study compares common Ca2+ ionophore protocols applied in clinical practice - one or two exposures to A23187 or a single exposure to ionomycin - focusing on embryonic development and cellular events associated with egg activation.
View Article and Find Full Text PDFQuantitative evaluation of hindlimb grip strength in mice as a measure of neuromuscular function.
MethodsX
June 2025
Regenerative Bioscience Center, Department of Animal and Dairy Science, College of Agricultural and Environmental Science, University of Georgia, Athens, GA 30602, United States.
Muscle strength is a crucial metric for assessing motor function, with significant diagnostic and prognostic value. It is widely used in clinical and preclinical studies as a phenotypic indicator. In mouse models of neuromuscular disorders, grip strength provides a direct, repeatable measure of motor function changes throughout disease progression.
View Article and Find Full Text PDFIntranasal delivery of metformin using metal-organic framework (MOF)-74-Mg nanocarriers.
Adv Compos Hybrid Mater
January 2025
J. Mike Walker '66 Department of Mechanical Engineering, Texas A&M University, College Station, TX 77843 USA.
Dosage tolerance is one of the translational challenges of using metformin (Met) in brain therapeutics. This paper presents metal-organic framework (MOF)-74-Mg nanocarriers (NCs) for intranasal (IN) delivery of brain-specific agents with a prolonged release time. We confirmed their excellent biocompatibility (5 mg/mL) and intrinsic fluorescence properties (370/500 nm excitation/emission peak) in Neuro-2A cells.
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