C. Hogarth

Publications71
h-index25
Citations1,649
Highly Influential Citations90
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The key role of vitamin A in spermatogenesis.
Spermatogenesis in adult mammals is highly organized, with the goal being continual sperm production. Vertebrate testes are arranged into recurring cellular associations that vary with time and… Expand
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Processive Pulses of Retinoic Acid Propel Asynchronous and Continuous Murine Sperm Production1
ABSTRACT The asynchronous cyclic nature of spermatogenesis is essential for continual sperm production and is one of the hallmarks of mammalian male fertility. While various mRNA and protein… Expand
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Retinoic Acid Activates Two Pathways Required for Meiosis in Mice
In all sexually reproducing organisms, cells of the germ line must transition from mitosis to meiosis. In mice, retinoic acid (RA), the extrinsic signal for meiotic initiation, activates… Expand
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Initiating Meiosis: The Case for Retinoic Acid1
ABSTRACT The requirement for vitamin A in reproduction and development was first determined from studies of nutritional deficiencies. Subsequent research has shown that embryonic development and both… Expand
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Turning a Spermatogenic Wave into a Tsunami: Synchronizing Murine Spermatogenesis Using WIN 18,4461
ABSTRACT The BDADs (bis-[dichloroacetyl]-diamines) are compounds that can inhibit spermatogenesis via blocking the metabolism of vitamin A. We utilized one specific BDAD, WIN 18,446, to manipulate… Expand
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Genomic evidence for the absence of a functional cholesteryl ester transfer protein gene in mice and rats.
Mice and rats are naturally deficient in cholesteryl ester transfer protein (CETP) activity, although the reason behind the deficiency in activity is unknown. A search of mouse genome databases… Expand
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Importance of ALDH1A enzymes in determining human testicular retinoic acid concentrations
Retinoic acid (RA), the active metabolite of vitamin A, is required for spermatogenesis and many other biological processes. RA formation requires irreversible oxidation of retinal to RA by aldehyde… Expand
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CYP26 Enzymes Are Necessary Within the Postnatal Seminiferous Epithelium for Normal Murine Spermatogenesis1
ABSTRACT The active metabolite of vitamin A, retinoic acid (RA), is known to be essential for spermatogenesis. Changes to RA levels within the seminiferous epithelium can alter the development of… Expand
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Induction of spermatogenic synchrony by retinoic acid in neonatal mice
Retinoic acid (RA) is required for the successful differentiation and meiotic entry of germ cells in the murine testis. The availability of RA to undifferentiated germ cells begins in a variable,… Expand
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Riding the Spermatogenic Wave: Profiling Gene Expression Within Neonatal Germ and Sertoli Cells During a Synchronized Initial Wave of Spermatogenesis in Mice1
ABSTRACT Continual sperm production relies on germ cells undergoing spermatogenesis asynchronously. As a result, the testis always contains a mixed population of germ cells at different stages of… Expand
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