Search Results - "LAPOLT, Philip S"

Roles of cyclic GMP in modulating ovarian functions by LaPolt, Philip S, Leung, Karen, Ishimaru, Ryan, Tafoya, Michael A, Chen, Jean You-hsin

“…The production of a viable oocyte is dependent upon the critical influences of gonadotrophins on follicular development, granulosa cell maturation, ovulation,…”
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Temporal Changes Occur in the Neuroendocrine Control of Gonadotropin Secretion in Aging Female Rats: Role of Progesterone by TSAI, Houng-Wei, LAPOLT, Philip S, OLCOTT, Angelica P, LU, John K. H

“…The present study examined the gonadotropin surge-inducing actions of estradiol (E 2 ), both alone and with progesterone (P 4 ), in middle-aged, early…”
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Activation of soluble guanylyl cyclase inhibits estradiol production and cyclic AMP accumulation from cultured rat granulosa cells by Tafoya, Michael A, Chen, Jean You-Hsin, Stewart, Jr, Robert L, Lapolt, Philip S

“…To demonstrate the expression of soluble guanylyl cyclase (sGC) alpha and beta subunits in rat granulosa cells and determine the effects sGC activation on…”
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Temporal Changes Occur in the Neuroendocrine Control of Gonadotropin Secretion in Aging Female Rats: Role of Progesterone1 by Tsai, Houng-Wei, LaPolt, Philip S, Olcott, Angelica P, Lu, John K. H

“…The present study examined the gonadotropin surge-inducing actions of estradiol (E2), both alone and with progesterone (P4), in middle-aged, early…”
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Cell-Specific Expression and Regulation of Soluble Guanylyl Cyclase α1 and β1 Subunits in the Rat Ovary1 by Shi, Fangxiong, Stewart, Robert L, Perez, Emerson, Chen, Jean Y-H, LaPolt, Philip S

“…Soluble guanylyl cyclase (sGC) is activated by nitric oxide (NO) and carbon monoxide, resulting in cGMP production. Recent studies indicate that NO and cGMP…”
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The Type I BMP Receptor BmprIB is Essential for Female Reproductive Function by Yi, Soyun E., LaPolt, Philip S., Yoon, Byeong S., Jean Y.-C. Chen, John K. H. Lu, Lyons, Karen M.

“…Maintenance of female reproductive competence depends on the actions of several hormones and signaling factors. Recent reports suggest roles for bone…”
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Influences of Age and Ovarian Follicular Reserve on Estrous Cycle Patterns, Ovulation, and Hormone Secretion in the Long-Evans Rat1 by Anzalone, Christopher R, Hong, Long-Sheng, Lu, John K. H, LaPolt, Philip S

“…This study examined the influences of aging and reduced ovarian follicular reserve on estrous cyclicity, estradiol (E2) production, and gonadotropin secretion…”
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Cell-specific expression and regulation of soluble guanylyl cyclase α1 and β1 subunits in the rat ovary by FANGXIONG SHI, STEWART, Robert L, PEREZ, Emerson, CHEN, Jean Y.-H, LAPOLT, Philip S

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Influences of Age and Ovarian Follicular Reserve on Estrous Cycle Patterns, Ovulation, and Hormone Secretion in the Long-Evans Rat by ANZALONE, Christopher R, HONG, Long-Sheng, LU, John K. H, LAPOLT, Philip S

“…This study examined the influences of aging and reduced ovarian follicular reserve on estrous cyclicity, estradiol (E 2 ) production, and gonadotropin…”
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Localization of luteinizing hormone receptor messenger ribonucleic acid expression in ovarian cell types during follicle development and ovulation by Peng, X R, Hsueh, A J, LaPolt, P S, Bjersing, L, Ny, T

“…The action of LH is mediated through specific plasma membrane receptors that are both up- and down-regulated in the ovary during the reproductive cycle. Using…”
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Effects of nitric oxide and cGMP on inhibin A and inhibin subunit mRNA levels from cultured rat granulosa cells by Chen, You-Hsin Jean, Tafoya, Michael, Ngo, Anna, LaPolt, Philip S

“…To determine the effects of nitric oxide (NO) and cGMP on inhibin A and inhibin subunit mRNA levels from cultured rat granulosa cells. Basic research study…”
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Effects of aging on luteinizing hormone secretion, ovulation, and ovarian tissue-type plasminogen activator expression by LaPolt, P S, Lu, J K

“…This study examined the effects of aging on LH surge magnitude, ovulation, and ovarian expression of tissue-type plasminogen activator (tPA), a protease…”
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Regulation of luteinizing hormone receptor messenger ribonucleic acid levels by gonadotropins, growth factors, and gonadotropin-releasing hormone in cultured rat granulosa cells by Piquette, G N, LaPolt, P S, Oikawa, M, Hsueh, A J

“…The induction of LH receptors in granulosa cells is prerequisite for ovarian follicles to ovulate and form corpora lutea. Earlier studies have demonstrated the…”
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Progesterone Implants Delay Age-Related Declines in Regular Estrous Cyclicity and the Ovarian Follicular Reserve in Long-Evans Rats by LAPOLT, P. S, MATT, D. W, LU, J. K. H

“…The present study examined the effects of progesterone (P 4 ) treatments on estrous cyclicity and the loss of ovarian follicles during aging. Young rats…”
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Restricted expression of WT1 messenger ribonucleic acid immature ovarian follicles: uniformity in mammalian and avian species and maintenance during reproductive senescence by Chun, S.Y. (Chonnam National University, Kwangju, Republic of Korea.), McGee, E.A, Hsu, S.Y, Minami, S, LaPolt, P.S, Yao, H.C, Bahr, J.M, Gougeon, A, Schomberg, D.W, Hsueh, A.J.W

“…WT1 is a zinc finger protein with transcriptional repressor activity on several growth factor and growth factor receptor genes. In the ovary, a potential role…”
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Regulation of inhibin subunit messenger ribonucleic acid levels by gonadotropins, growth factors, and gonadotropin-releasing hormone in cultured rat granulosa cells by LaPolt, P S, Piquette, G N, Soto, D, Sincich, C, Hsueh, A J

“…Cultured rat granulosa cells have provided a useful model to examine the hormonal regulation of inhibin secretion. In the present study we have used the cloned…”
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Stimulatory effects of recombinant follicle-stimulating hormone on Leydig cell function and spermatogenesis in immature hypophysectomized rats by Vihko, K K, LaPolt, P S, Nishimori, K, Hsueh, A J

“…Although earlier reports suggest a stimulatory effect of FSH on Leydig cell function, controversy exists due to unavailability of FSH preparations free of…”
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Activin stimulation of inhibin secretion and messenger RNA levels in cultured granulosa cells by LaPolt, P S, Soto, D, Su, J G, Campen, C A, Vaughan, J, Vale, W, Hsueh, A J

“…Recent reports suggest that activin (the dimer of inhibin beta subunits with FSH-releasing activity) has specific receptors on ovarian granulosa cells. The…”
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Follicle-Stimulating Hormone Enhances the Development of Preantral Follicles in Juvenile Rats1 by McGee, Elizabeth A., Perlas, Emerald, LaPolt, Philip S., Tsafriri, Alex, Hsueh, Aaron J.W.

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Long-term administration of gonadotropin-releasing hormone agonist and dexamethasone: assessment of the adrenal role in ovarian dysfunction by Cedars, M I, Steingold, K A, de Ziegler, D, Lapolt, P S, Chang, R J, Judd, H L

“…To examine the possible impact of abnormal adrenal steroidogenesis on the ovarian dysfunction seen in polycystic ovarian disease (PCOD). Prospective analysis…”
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