Search Results - "Yuen, Basil Ho"

A comparison of sperm aneuploidy rates between infertile men with normal and abnormal karyotypes by Kirkpatrick, Gordon, Ferguson, Kyle A., Gao, Haijun, Tang, Steven, Chow, Victor, Yuen, Basil Ho, Ma, Sai

“…BACKGROUND Abnormal semen parameters in chromosomally normal men are an indicator of an increased risk of sperm aneuploidy. Male carriers of chromosomal…”
Get full text

Clinical and endocrine response to the withdrawal of gonadotropin-releasing hormone agonists during prolonged coasting by Ho Yuen, Basil, M.B., Ch.B, Nguyen, Tuan-Anh T., M.D, Cheung, Anthony P., M.B., B.S., M.P.H, Leung, Peter C.K., Ph.D

“…Objective To compare the clinical and endocrine response of cycles in which GnRH agonists (GnRH-a) were stopped with cycles in which the agonists were…”
Get full text

ICSI and the transmission of X‐autosomal translocation: a three‐generation evaluation of X;20 translocation: Case report by Ma, Sai, Ho Yuen, Basil, Penaherrera, Maria, Koehn, David, Ness, Larry, Robinson, Wendy

“…Published reports show that male carriers of an X‐autosome translocation, which is either inherited from their mother or is de novo, are generally sterile,…”
Get full text

Impact of assisted hatching on the outcome of intracytoplasmic sperm injection: a prospective, randomized clinical trial and pregnancy follow-up by Ma, Sai, Rowe, Timothy, Yuen, Basil Ho

“…To evaluate the overall effect of assisted hatching (AH) on the implantation, pregnancy, and live birth rates in women undergoing intracytoplasmic sperm…”
Get more information

In-vivo ovarian androgen responses to recombinant FSH with and without recombinant LH in polycystic ovarian syndrome by Cheung, Anthony P., Pride, Sheila M., Yuen, Basil Ho, Sy, Lydia

“…BACKGROUND: Effects of exogenous LH on ovarian androgen secretion during ovulation induction have not been clearly characterized in polycystic ovarian syndrome…”
Get full text

Intracellular Calcium Mobilization in Response to the Activation of Human Wild-Type and Chimeric Gonadotropin Receptors by Lee, Pearly S. N, Buchan, Alison M. J, Hsueh, Aaron J. W, Yuen, Basil Ho, Leung, Peter C. K

“…It is well established that LH action is mediated primarily by adenylate cyclase/cAMP. However, the role of inositol phosphate/calcium in LH signaling is less…”
Get full text

Elevated serum testosterone, hirsutism, and virilism associated with combined androgen-estrogen hormone replacement therapy by Urman, B, Pride, S M, Yuen, B H

“…Nine postmenopausal women with symptoms and signs of androgen excess due to long-term use of an injectable androgen-estrogen combination were studied…”
Get more information

A delayed-implantation-associated protein prevents resumption of DNA synthesis by the trophectoderm of delayed-implanting mouse blastocysts in vitro by Katagiri, S. (Hokkaido Univ., Sapporo (Japan)), Takahashi, Y, Kanagawa, H, Yuen, B.H, Moon, Y.S

“…Objective of this study was to determine the ability of a delayed-implantation-associated protein (MW 170,000, DIAP170K) to inhibit DNA synthesis by mouse…”
Get full text

The role for the uterine insulin-like growth factor I in early embryonic loss after superovulation in the rat by Katagiri, S, Moon, Y S, Yuen, B H

“…To examine possible roles of the insulin-like growth factor (IGF) system in increased early embryonic loss after superovulation. Changes in the uterine IGF…”
Get more information

Investigation of confined placental mosaicism (CPM) at multiple sites in post-delivery placentas derived through intracytoplasmic sperm injection (ICSI) by Minor, Agata, Harmer, Karynn, Peters, Nicole, Yuen, Basil Ho, Ma, Sai

“…Although earlier studies on pregnancies derived through intracytoplasmic sperm injection (ICSI) reported increased non‐mosaic aneuploidy among ICSI children,…”
Get full text

Inhibition of aromatase activity by 8-bromo-cyclic adenosine monophosphate in cultured first-trimester human trophoblast by Rodway, M R, Yuen, B H, Leung, P C

“…We have previously shown that 8-bromo-adenosine-3':5'-cyclic monophosphate inhibits production of estradiol from androgen precursors in trophoblast isolated…”
Get more information

Intracytoplasmic sperm injection could minimize the incidence of prematurely condensed human sperm chromosomes by Ma, S, Yuen, B H

“…To compare the fertilization and prematurely condensed human sperm chromosomes (PCCs) rates between two intracytoplasmic sperm injection (ICSI) techniques. A…”
Get more information

The outcome of in vitro fertilization and embryo transfer in women with polycystic ovary syndrome failing to conceive after ovulation induction with exogenous gonadotropins by Urman, B, Fluker, M R, Yuen, B H, Fleige-Zahradka, B G, Zouves, C G, Moon, Y S

“…To assess the outcome of in vitro fertilization and embryo transfer (IVF-ET) in women with refractory polycystic ovarian syndrome (PCOS). Retrospective case…”
Get more information

Insulin-like growth factor-I improves development of 8-cell rat embryos in vitro and subsequent development in vivo by Katagiri, S. (Hokkaido Univ., Sapporo (Japan)), Ho Yuen, B, Moon, Y.S

“…The present study examined the role for insulin-like growth factor-I (IGF-I) in preimplantation development in rats. The 8-cell stage rat embryos were cultured…”
Get full text

Maternal origin of monosomy 21 derived from ICSI by SAI MA, ROBINSON, Wendy, LAM, Ryan, BASIL HO YUEN

“…With the worldwide diffusion of the intracytoplasmic sperm injection (ICSI) procedure in recent years, the issue of possible genetic risks of this new and…”
Get full text

Pulsatile administration of human menopausal gonadotropins by Yuen, B H

Get more information

Assessment of maximal fertilization rates with intracytoplasmic sperm injection by Ma, S, Ho Yuen, B

“…Maximal fertilization rates following ICSI were assessed using two essential steps: immobilization of sperm and aspiration of oocyte cytoplasm. ICSI procedure…”
Get full text

Inhibition of progestin accumulation by activin-A in human granulosa cells by Li, W, Yuen, B H, Leung, P C

“…The effects of activin and inhibin on steroidogenesis in the human ovary were investigated. Granulosa cells harvested from follicles of women undergoing oocyte…”
Get more information

Exogenous gonadotropin therapy in World Health Organization groups I and II ovulatory disorders by Fluker, M R, Urman, B, Mackinnon, M, Barrow, S R, Pride, S M, Yuen, B H

“…To analyze cumulative conception rates and the prognostic factors influencing them during exogenous human menopausal gonadotropin (hMG) therapy for World…”
Get more information

Investigation of effects of pregnant mare serum gonadotropin (PMSG) on the chromosomal complement of CD-1 mouse embryos by MA, S, KALOUSEK, D. K, BASIL HO YUEN, MOON, Y. S

“…The objective of this study was to examine the effect of superovulatory doses of gonadotropins on the frequency of chromosomal abnormalities of mouse embryos…”
Get full text