Publications by authors named "Majed Al-Shammari"

Objective: There have been no detailed reports relating to maternal-fetal transport kinetics of manganese, an essential trace element in the human pregnancies, and hence we have attempted to study the transport kinetics of this trace element in the human placenta in vitro.

Methods: Human placentae from normal uncomplicated pregnancies were collected postpartum. Manganese chloride solution (GFS Chem Inc.

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Objective: Platinum-containing drugs are used extensively in the treatment of various malignancies in humans. Data are scarce on the maternal-fetal transport characteristics in humans of one such widely used drug, cisplatin, and this prompted us to study its transport characteristics in the human placenta in vitro.

Methods: Placentae from normal pregnancies were collected after delivery.

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Objective: Platinum-containing drugs are widely used in the treatment of various malignancies in humans. There is a paucity of data on maternal-fetal transport characteristics of one such widely used drug, carboplatin, and this prompted us to study its permeation characteristics in the human placenta in vitro.

Methods: Placentae from uncomplicated, normal pregnancies were collected postpartum.

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Objective: Folate antagonists are widely used in the treatment of diverse cancerous states. A paucity of data on transport characteristics of one such widely used drug, methotrexate, in the human placenta, prompted us to study its permeation characteristics in vitro.

Methods: Placentas from normal pregnancies were collected post-partum.

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Objective: To assess maternal-fetal status of essential trace elements such as copper, iron, molybdenum, selenium and zinc, in experimentally induced diabetic and control pregnant rats, and to correlate the findings with those observed in human diabetic pregnancies. Fetal-maternal ratios of the elements and Cu:Zn and Cu:Fe ratios were also computed in control and study groups.

Methods: Diabetes was experimentally induced in pregnant Sprague Dawley rats by injection of streptozotocin.

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Objective: The objective was to assess the status of essential trace elements such as copper, iron, molybdenum, selenium and zinc in insulin-dependent diabetic pregnancies at term and to compare the data with a control group. Fetal-maternal ratios of the elements and copper:zinc ratio were also computed in the control and study populations.

Methodology: Samples from maternal vein, umbilical artery and umbilical vein of diabetic and control women were collected at the time of spontaneous delivery or cesarean section and activities of trace elements evaluated by atomic absorption spectrophotometry.

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