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Charles Weems

Research Profile

Chemicals & Drugs

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Yoshie S Weems; Thomas Welsh Jr.; J Alejandro Arreguin-Arevalo; PJ Bridges; Stephen P Ford; MyoungKun Jeoung; Andy W Lewis; Torrance M Nett; Don A Neuendorff; Ronald D Randel; Rhonda C Vann; Charles W Weems
In vivo intra-luteal implants of prostaglandin (PG) E1 or E2 (PGE1, PGE2) prevent luteolysis in cows. II: mRNA for PGF2α, EP1, EP2, EP3 (A-D), EP3A, EP3B, EP3C, EP3D, and EP4 prostanoid receptors in luteal tissue.
Yoshie S Weems; Thomas Welsh Jr.; J Alejandro Arreguin-Arevalo; PJ Bridges; Stephen P Ford; Andy W Lewis; Torrance M Nett; Don A Neuendorff; Ronald D Randel; Rhonda C Vann; Charles W Weems
In vivo intra-luteal implants of prostaglandin (PG) E(1) or E(2) (PGE(1), PGE(2)) prevent luteolysis in cows. I. Luteal weight, circulating progesterone, mRNA for luteal luteinizing hormone (LH) receptor, and occupied and unoccupied luteal receptors for LH.
Nicole M Tsutahara; Yoshie S Weems; J Alejandro Arreguin-Arevalo; Torrance M Nett; Magen E LaPorte; Janelle Uchida; Janelle Pang; Tonya McBride; Ronald D Randel; Charles W Weems
Effects of endocannabinoid 1 and 2 (CB1; CB2) receptor agonists on luteal weight, circulating progesterone, luteal mRNA for luteinizing hormone (LH) receptors, and luteal unoccupied and occupied receptors for LH in vivo in ewes.

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All Publications

2012: Yoshie S Weems; Thomas Welsh Jr.; J Alejandro Arreguin-Arevalo; PJ Bridges; Stephen P Ford; MyoungKun Jeoung; Andy W Lewis; Torrance M Nett; Don A Neuendorff; Ronald D Randel; Rhonda C Vann; Charles W Weems
In vivo intra-luteal implants of prostaglandin (PG) E1 or E2 (PGE1, PGE2) prevent luteolysis in cows. II: mRNA for PGF2α, EP1, EP2, EP3 (A-D), EP3A, EP3B, EP3C, EP3D, and EP4 prostanoid receptors in luteal tissue.
Prostaglandins & other lipid mediators 2012;97(1-2):60-5.
2011: Yoshie S Weems; Thomas Welsh Jr.; J Alejandro Arreguin-Arevalo; PJ Bridges; Stephen P Ford; Andy W Lewis; Torrance M Nett; Don A Neuendorff; Ronald D Randel; Rhonda C Vann; Charles W Weems
In vivo intra-luteal implants of prostaglandin (PG) E(1) or E(2) (PGE(1), PGE(2)) prevent luteolysis in cows. I. Luteal weight, circulating progesterone, mRNA for luteal luteinizing hormone (LH) receptor, and occupied and unoccupied luteal receptors for LH.
Prostaglandins & other lipid mediators 2011;95(1-4):35-44.
2011: Nicole M Tsutahara; Yoshie S Weems; J Alejandro Arreguin-Arevalo; Torrance M Nett; Magen E LaPorte; Janelle Uchida; Janelle Pang; Tonya McBride; Ronald D Randel; Charles W Weems
Effects of endocannabinoid 1 and 2 (CB1; CB2) receptor agonists on luteal weight, circulating progesterone, luteal mRNA for luteinizing hormone (LH) receptors, and luteal unoccupied and occupied receptors for LH in vivo in ewes.
Prostaglandins & other lipid mediators 2011;94(1-2):17-24.
2010: Yoshie S Weems; T M Nett; L A Rispoli; T L Davis; D L Johnson; T Uchima; A Raney; E Lennon; T Harbert; G Bowers; N Tsutahara; Ronald D Randel; Charles W Weems
Effects of prostaglandin E and F receptor agonists in vivo on luteal function in ewes.
Prostaglandins & other lipid mediators 2010;92(1-4):67-72.
2010: Yoshie S Weems; T M Nett; L A Rispoli; T L Davis; D L Johnson; T Uchima; A Raney; E Lennon; J Pang; T Harbert; G Bowers; K Goto; A Ong; N Tsutahara; Ronald D Randel; Charles W Weems
Prostaglandin E1 (PGE1), but not prostaglandin E2 (PGE2), alters luteal and endometrial luteinizing hormone (LH) occupied and unoccupied LH receptors and mRNA for LH receptors in ovine luteal tissue to prevent luteolysis.
Prostaglandins & other lipid mediators 2010;91(1-2):42-50.
2009: Yoshie S Weems; Andy W Lewis; Don A Neuendorff; Ronald D Randel; Charles W Weems
Endocannabinoid 1 and 2 (CB(1); CB(2)) receptor agonists affect negatively cow luteal function in vitro.
Prostaglandins & other lipid mediators 2009;90(3-4):89-93.
2009: Yoshie S Weems; D Johnson; T Uchima; A Raney; E Lennon; K Goto; G Bowers; J Saldana; J Pang; Ronald D Randel; Charles W Weems
Is endothelin-1 luteolytic or antiluteolytic in ewes?
Prostaglandins & other lipid mediators 2009;90(3-4):63-8.
2008: Yoshie S Weems; E Lennon; T Uchima; A Raney; K Goto; A Ong; H Zaleski; Charles W Weems
Mechanism whereby nitric oxide (NO) infused chronically intrauterine in ewes is antiluteolytic rather than being luteolytic.
Prostaglandins & other lipid mediators 2008;85(1-2):33-41.
2007: Yoshie S Weems; Laurie Kim; V Humphreys; Vicki Tsuda; R Blankfein; A Wong; Charles W Weems
Effect of luteinizing hormone (LH), pregnancy-specific protein B (PSPB), or arachidonic acid (AA) on secretion of progesterone and prostaglandins (PG) E (PGE; PGE(1) and PGE(2)) and F(2alpha) (PGF(2alpha)) by ovine corpora lutea of the estrous cycle or pregnancy in vitro.
Prostaglandins & other lipid mediators 2007;84(3-4):163-73.
2007: Yoshie S Weems; Laurie Kim; Vicki Tsuda; Chaoquan Yin; Charles W Weems
What regulates placental steroidogenesis in 90-day pregnant ewes?
Prostaglandins & other lipid mediators 2007;84(1-2):54-65.
2006: Charles W Weems; Yoshie S Weems; Ronald D Randel
Prostaglandins and reproduction in female farm animals.
Veterinary journal (London, England : 1997) 2006;171(2):206-28.
2005: Yoshie S Weems; Ronald D Randel; Shawn R Tatman; Andy W Lewis; Don A Neuendorff; Charles W Weems
In vivo progestin treatments inhibit nitric oxide and endothelin-1-induced bovine endometrial prostaglandin (PG) E (PGE) secretion in vitro.
Prostaglandins & other lipid mediators 2005;78(1-4):264-78.
2005: Yoshie S Weems; E Lennon; T Uchima; A Raney; K Goto; A Ong; H Zaleski; Charles W Weems
Is nitric oxide luteolytic or antiluteolytic?
Prostaglandins & other lipid mediators 2005;78(1-4):129-38.
2004: Yoshie S Weems; Ronald D Randel; Shawn R Tatman; Andy W Lewis; Don A Neuendorff; Charles W Weems
Effects of estrous synchronization on response to nitric oxide donors, nitric oxide synthase inhibitors, and endothelin-1 in vitro.
Prostaglandins & other lipid mediators 2004;74(1-4):45-59.
2004: Yoshie S Weems; Ronald D Randel; Gordon E Carstens; Thomas Welsh Jr.; Charles W Weems
Do calcium-mediated cellular signalling pathways, prostaglandin E2 (PGE2), estrogen or progesterone receptor antagonists, or bacterial endotoxins affect bovine placental function in vitro?
Prostaglandins & other lipid mediators 2004;73(3-4):265-78.
2003: Yoshie S Weems; Laurie Kim; V Humphreys; Vicki Tsuda; Charles W Weems
Effect of luteinizing hormone (LH), pregnancy specific protein B (PSPB), or arachidonic acid (AA) on ovine endometrium of the estrous cycle or placental secretion of prostaglandins E2 (PGE2) and F2alpha (PGF2alpha) and progesterone in vitro.
Prostaglandins & other lipid mediators 2003;71(1-2):55-73.
2002: Yoshie S Weems; Andy W Lewis; Ronald D Randel; Charles W Weems
Effects of prostaglandins E2 and F2alpha (PGE2; PGF2alpha), trilostane, mifepristone, palmitic acid (PA), indomethacin (INDO), ethamoxytriphetol (MER-25), PGE2 + PA, or PGF2alpha + PA on PGE2, PGF2alpha, and progesterone secretion by bovine corpora lutea of mid-pregnancy in vitro.
The Chinese journal of physiology 2002;45(4):163-8.
2002: Yoshie S Weems; PJ Bridges; RG Sasser; L Ching; BR LeaMaster; DL Vincent; Charles W Weems
Effect of mifepristone on pregnancy, pregnancy-specific protein B (PSPB), progesterone, estradiol-17beta, prostaglandin F2alpha (PGF2alpha) and prostaglandin E (PGE) in ovariectomized 90-day pregnant ewes.
Prostaglandins & other lipid mediators 2002;70(1-2):195-208.
2001: Yoshie S Weems; PJ Bridges; BR LeaMaster; RG Sasser; L Ching; Charles W Weems
Effect of the aromatase inhibitor CGS-16949A on pregnancy and secretion of progesterone, estradiol-17beta, prostaglandins E and F2alpha (PGE; PGF2alpha) and pregnancy specific protein B (PSPB) in 90-day ovariectomized pregnant ewes.
Prostaglandins & other lipid mediators 2001;66(2):77-88.
2001: Laurie Kim; Yoshie S Weems; PJ Bridges; BR LeaMaster; L Ching; DL Vincent; Charles W Weems
Effects of indomethacin, luteinizing hormone (LH), prostaglandin E2 (PGE2), trilostane, mifepristone, ethamoxytriphetol (MER-25) on secretion of prostaglandin E (PGE), prostaglandin F2alpha (PGF2alpha) and progesterone by ovine corpora lutea of pregnancy or the estrous cycle.
Prostaglandins & other lipid mediators 2001;63(4):189-203.
1999: PJ Bridges; Yoshie S Weems; L M Kim; BR LeaMaster; DL Vincent; Charles W Weems
Effect of prostaglandin F2alpha (PGF2alpha), indomethacin, tamoxifen or estradiol-17beta on prostaglandin E (PGE), PGF2alpha and estradiol-17beta secretion in 88 to 90-day pregnant sheep.
Prostaglandins & other lipid mediators 1999;58(2-4):167-78.
1999: Yoshie S Weems; PJ Bridges; BR LeaMaster; DL Vincent; Charles W Weems
Effect of trilostane on PGE, PGF2alpha, estradiol-17beta, and progesterone secretion and pregnancy of 90-day ovariectomized pregnant ewes.
Prostaglandins & other lipid mediators 1999;58(2-4):149-58.
1999: Yoshie S Weems; PJ Bridges; BR LeaMaster; RG Sasser; DL Vincent; Charles W Weems
Secretion of progesterone, estradiol-17beta, PGE, PGF2alpha, and pregnancy-specific protein B by 90-day intact and ovariectomized pregnant ewes.
Prostaglandins & other lipid mediators 1999;58(2-4):139-48.
1999: PJ Bridges; Yoshie S Weems; L M Kim; RG Sasser; BR LeaMaster; DL Vincent; Charles W Weems
Effect of PGF2alpha, indomethacin, tamoxifen, or estradiol-17beta on incidence of abortion, progesterone, and pregnancy-specific protein B (PSPB) secretion in 88- to 90-day pregnant sheep.
Prostaglandins & other lipid mediators 1999;58(2-4):113-24.
1999: Yoshie S Weems; DL Vincent; C Lemme; Charles W Weems
Trilostane but not prostaglandin F2alpha (PGF2alpha) or cortisol aborts 90-day-pregnant lutectomized sheep.
Prostaglandins & other lipid mediators 1999;58(2-4):77-86.
1999: Yoshie S Weems; MA Lammoglia; Andy W Lewis; Ronald D Randel; RG Sasser; I Morita; Charles W Weems
PGE2 induces its own secretion in vitro by bovine 270-day placenta but not by 200-day placenta.
Prostaglandins & other lipid mediators 1999;57(4):189-205.
1998: Yoshie S Weems; MA Lammoglia; HR Vera-Avila; Ronald D Randel; RG Sasser; Charles W Weems
Effects of luteinizing hormone (LH), PGE2, 8-Epi-PGE1, 8-Epi-PGF2 alpha, trichosanthin and pregnancy specific protein B (PSPB) on secretion of prostaglandin (PG) E (PGE) or F2 alpha (PGF2 alpha) in vitro by corpora lutea (CL) from nonpregnant and pregnant cows.
Prostaglandins & other lipid mediators 1998;55(5-6):359-76.
1998: Yoshie S Weems; MA Lammoglia; HR Vera-Avila; Ronald D Randel; C King; RG Sasser; Charles W Weems
Effect of luteinizing hormone (LH), PGE2, 8-EPI-PGE1, 8-EPI-PGE2, trichosanthin, and pregnancy specific protein B (PSPB) on secretion of progesterone in vitro by corpora lutea (CL) from nonpregnant and pregnant cows.
Prostaglandins & other lipid mediators 1998;55(1):27-42.
1997: Yoshie S Weems; PJ Bridges; Y Tanaka; RG Sasser; BR LeaMaster; DL Vincent; Charles W Weems
PGE1 or PGE2 not LH regulates secretion of progesterone in vitro by the 88-90 day ovine corpus luteum of pregnancy.
Prostaglandins 1997;53(5):337-53.
1996: Charles W Weems; Yoshie S Weems; J T French; L N French; RG Sasser; Thomas Welsh Jr.; P G Harms; Ronald D Randel
Effect of histone-H2A (H-H2A), platelet activating factor (PAF) and pregnancy specific protein B (PSPB) on secretion of prostaglandins E and F2 alpha (PGE; PGF2 alpha) by bovine endometrium and H-H2A on basal secretion of luteinizing hormone (LH) by bovine pituitary cells in vitro.
The Chinese journal of physiology 1996;39(3):147-54.
1995: Y Tanaka; DL Vincent; K S Ledgerwood; Charles W Weems
Variable progesterone response and estradiol secretion in prepubertal beef heifers following treatment with norgestomet implants.
Theriogenology 1995;43(6):1077-86.
1994: Yoshie S Weems; RG Sasser; DL Vincent; K D Nusser; Y Tanaka; K Miller-Patrick; K S Ledgerwood; Charles W Weems
Effects of prostaglandin F2 alpha (PGF2 alpha) on secretion of pregnancy specific protein B (PSPB) and placentome weights in intact or ovariectomized 90 to 100 day pregnant ewes.
Prostaglandins 1994;48(6):377-87.
1994: Yoshie S Weems; DL Vincent; K D Nusser; Y Tanaka; K Miller-Patrick; K S Ledgerwood; Charles W Weems
Effects of prostaglandin F2 alpha (PGF2 alpha) on secretion of estradiol-17 beta and cortisol in 90 to 100 day hysterectomized, intact and ovariectomized pregnant ewes.
Prostaglandins 1994;48(3):139-56.
1993: Yoshie S Weems; DL Vincent; K D Nusser; Y Tanaka; K Miller-Patrick; K S Ledgerwood; Charles W Weems
Effect of prostaglandin F2 alpha on uterine or ovarian secretion of prostaglandins E and F2 alpha in vivo in 90-100 day hysterectomized, intact or ovariectomized pregnant ewes.
Prostaglandins 1993;46(3):277-96.
1993: K Miller-Patrick; DL Vincent; R J Early; Yoshie S Weems; Y Tanaka; D T Ashimine; K D Nusser; C N Lee; K S Ledgerwood; Charles W Weems
Effects of the purine biosynthesis pathway inhibitors azaserine, hadacidin, and mycophenolic acid on the developing ovine corpus luteum.
The Chinese journal of physiology 1993;36(4):245-52.
1992: Charles W Weems; Yoshie S Weems; C N Lee; DL Vincent
Adenosine facilitates the response to HCG, PGE1 or PGE2 and inhibits the response to PGF2 alpha by HCG-stimulated ovine luteal cells in vitro.
Prostaglandins 1992;43(3):223-37.
1992: Yoshie S Weems; DL Vincent; Y Tanaka; K Miller-Patrick; K D Nusser; D T Ashimine; K Ledgerwood; C N Lee; Charles W Weems
Effect of prostaglandin F2 alpha (PGF2 alpha) on sources of progesterone and pregnancy in intact, ovariectomized and hysterectomized 90-100 day pregnant ewes.
Prostaglandins 1992;43(3):203-22.
1992: Charles W Weems; DL Vincent; Yoshie S Weems
Roles of prostaglandins (PG) F2 alpha, E1, E2, adenosine, oestradiol-17 beta, histone-H2A and progesterone of conceptus, uterine or ovarian origin during early and mid pregnancy in the ewe.
Reproduction, fertility, and development 1992;4(3):289-95.
1992: Charles W Weems; Yoshie S Weems; C N Lee; DL Vincent
Purine modulation of prostaglandin F2 alpha (PGF2 alpha)-induced premature luteolysis in vivo in nonpregnant sheep.
Second messengers and phosphoproteins 1992;14(1-2):1-9.
1991: Charles W Weems; Yoshie S Weems; C N Lee; DL Vincent
The purine adenosine amplifies the response to gonadotropins and inhibits prostaglandin F2 alpha (PGF2 alpha) suppression of gonadotropin stimulation of bovine luteal cells in vitro.
The Chinese journal of physiology 1991;34(4):355-69.
1991: DL Vincent; K R Gemmer; M Thamotharan; Y Tanaka; C N Lee; Charles W Weems
Oviductal vein resection affects pregnancy rates in sheep.
The Chinese journal of physiology 1991;34(3):243-55.
1989: Charles W Weems; Yoshie S Weems; C N Lee; DL Vincent
Progesterone in uterine and arterial tissue and in jugular and uterine venous plasma of sheep.
Biology of reproduction 1989;41(1):1-6.
1989: Charles W Weems; Yoshie S Weems; J Hall; B DeGroot; C N Lee; DL Vincent
Effects of chronic infusion of dibutyryl c-AMP or adenosine on luteal function in sheep.
Endocrinologia japonica 1989;36(3):439-47.
1988: Charles W Weems; C N Lee; Yoshie S Weems; DL Vincent
Distribution of progesterone to the uterus and associated vasculature of cattle.
Endocrinologia japonica 1988;35(4):625-30.
1987: Lawrence K Fox; Dale D Hancock; Charles W Weems; W Toma; E Chang
The effect of intramammary antibiotic therapy at calving on udder health traits.
Journal of dairy science 1987;70(8):1696-700.