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AnnaG. Cavinato, RobertM. Macleod & MahmoudS. Ahmed. (1988) A Non-Denaturing Gel Electrophoresis System for the Purification of Membrane Bound Proteins. Preparative Biochemistry 18:2, pages 205-216.
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Mahmoud S. Ahmed, Jay S. Schinfeld, R. Jones, A. G. Cavinato & C. Baker. (1986) Correlation Between the Number of Placental Opioid Receptors, Mode of Delivery, and Maternal Narcotic Use. Membrane Biochemistry 6:3, pages 255-267.
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Cheryl S Rosenfeld. (2022) The placenta as a target of opioid drugs. Biology of Reproduction 106:4, pages 676-686.
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Bojana Cemerikic, Rahayla Zamah & Mahmoud S. Ahmed. (1998) Identification of L-type calcium channels associated with kappa opioid receptors in human placenta. Journal of Molecular Neuroscience 10:3, pages 261-272.
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E. Zoumakis, A. N. Margioris, A. Makrigiannakis, C. Stournaras & A. Gravanis. (2014) Human endometrium as a neuroendocrine tissue: Expression, regulation and biological roles of endometrial corticotropin-releasing hormone (CRH) and opioid peptides. Journal of Endocrinological Investigation 20:3, pages 158-167.
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Eric A. Barnard & Joseph Simon. 1993.
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Alain Petit, Nicole Gallo-Payet, Diego Bellabarba, Jean-Guy Lehoux & Serge Bélisle. (1993) The modulation of placental lactogen release by opioids: a role for extracellular calcium. Molecular and Cellular Endocrinology 90:2, pages 165-170.
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Bojana Cemerikic, Robert Schabbing & Mahmoud S. Ahmed. (1992) Selectivity and potency of opioid peptides in regulating human chorionic gonadotropin release from term trophoblast tissue. Peptides 13:5, pages 897-903.
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Mahmoud S. Ahmed, Bojana Cemerikic & Abdulbaki Agbas. (1992) Properties and functions of human placental opioid system. Life Sciences 50:2, pages 83-97.
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A. Petit, N. Gallo-Payet, J.-G. Lehoux, D. Bellabarba & S. Bélisle. (1991) Adenosine 3′:5′-cyclic monophosphate (cAMP) is not the mediator of kappa opiate effect on human placental lactogen release. Life Sciences 49:6, pages 465-472.
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Bojana Cemerikic, Jackie Cheng, Abdulbaki Agbas & Mahmoud S. Ahmed. (1991) Opioids regulate the release of human chorionic gonadotropin hormone from trophoblast tissue. Life Sciences 49:11, pages 813-824.
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Mahmoud S. Ahmed, De-He Zhou, Dev Maulik & Mohyee E. Eldefrawi. (1990) Characterization of a cocaine binding protein in human placenta. Life Sciences 46:8, pages 553-561.
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N.M. Gude, B.R. Krishna, R.G. King, S.P. Brennecke & A.L.A. Boura. (1989) Effects of opioids on acetylcholine output of perfused human placental cotyleda. Placenta 10:5, pages 445-452.
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Mahmoud S. Ahmed, De-he Zhou, Anna G. Cavinato & Dev Maulik. (1989) Opioid binding properties of the purified kappa receptor from human placenta. Life Sciences 44:13, pages 861-871.
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Mahmoud S. Ahmed, Timothy Schoof, De-He Zhou & Christopher Quarles. (1989) Kappa opioid receptors of human placental villi modulate acetylcholine release. Life Sciences 45:25, pages 2383-2393.
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A. Agbas, J. Simon, H.Avni Öktem, E. Varga & A. Borsodi. (1988) Characterization of human placental opioid receptors by 3H-ethylketocyclazocine and 3H-naloxone binding. Neuropeptides 12:3, pages 171-176.
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G. Porthé, B. Francés, B. Vertier, J. Cros & J.-C. Meunier. (1988) The kappa-opioid receptor from human placenta: Hydrodynamic characteristics and evidence for its association with A G protein. Life Sciences 43:6, pages 559-567.
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Bojana Čemerikić, Olga Genbačev, Vojin Šulović & Rebecca Beaconsfield. (1988) Effect of morphine on hCG release by first trimester human trophoblast. Life Sciences 42:18, pages 1773-1779.
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Brian M. Cox. 1988. The Opiate Receptors. The Opiate Receptors
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Mahmoud S. Ahmed, Laura W. Randall, Baha Sibai, Chhabil Dass, Genevieve Fridland, Dominic M. Desiderio & Emirgul Tolun. (1987) Identification of dynorphin 1–8 in human placenta by mass spectrometry. Life Sciences 40:21, pages 2067-2076.
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Mahmoud S. Ahmed & Anna G. Cavinato. 1987. Cellular Biology and Pharmacology of the Placenta. Cellular Biology and Pharmacology of the Placenta
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Mahmoud S. Ahmed, Laura W. Randall, Anna G. Cavinato, Dominic M. Desiderio, Genevieve Fridland & Baha Sibai. (1986) Human placental opioid peptides: Correlation to the route of delivery. American Journal of Obstetrics and Gynecology 155:4, pages 703-706.
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Mahmoud S. Ahmed & Mark A. Horst. (1986) Opioid receptors of human placental villi modulate acetylcholine release. Life Sciences 39:6, pages 535-540.
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Ian S. Zagon, Patricia J. McLaughlin & Eileen Zagon. (1984) Opiates, endorphins, and the developing organism: A comprehensive bibliography, 1982–1983. Neuroscience & Biobehavioral Reviews 8:3, pages 387-403.
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Mahmoud S. Ahmed, Essam E. Abdelhamid & D. Turner. (1983) Biochemical and pharmacological studies on the opiate receptors from human placenta. Life Sciences 33, pages 207-210.
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