Gregory A Johnson
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Explore the profile of Gregory A Johnson including associated specialties, affiliations and a list of published articles.
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79
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1508
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Recent Articles
11.
Cain J, Seo H, Bumgardner K, Lefevre C, Burghardt R, Bazer F, et al.
Biol Reprod
. 2024 Mar;
111(1):174-185.
PMID: 38501810
Interferon-gamma (IFNG) is a pro-inflammatory cytokine secreted by the porcine conceptus (embryo and extra-embryonic membranes) during the peri-implantation period of pregnancy. IFNG modifies the endometrial inflammatory immune response and is...
12.
Johnson G, Bazer F, Seo H, Burghardt R, Wu G, Pohler K, et al.
Reprod Fertil Dev
. 2023 Dec;
36(2):93-111.
PMID: 38064193
Mammals differ regarding their placentae, but in all species placental trophoblasts interact intimately with the uterine endometrium to mediate the transfer of nutrients from the mother to the embryo/fetus through...
13.
Seo H, Bazer F, Johnson G
Results Probl Cell Differ
. 2023 Nov;
71:127-142.
PMID: 37996676
Placentation is the development of a temporary arrangement between the maternal uterus and blastocyst-derived placental tissues designed to transport nutrients, gases, and other products from the mother to the embryo...
14.
Hu S, He W, Bazer F, Johnson G, Wu G
Exp Biol Med (Maywood)
. 2023 Oct;
248(17):1446-1458.
PMID: 37837389
This study tested the hypothesis that the synthesis of glycine from 4-hydroxyproline (an abundant amino acid in milk and neonatal blood) was impaired in tissues of piglets with intrauterine growth...
15.
Johnson G, Burghardt R, Bazer F, Seo H, Cain J
J Anim Sci Biotechnol
. 2023 Sep;
14(1):115.
PMID: 37679778
Integrins are a highly complex family of receptors that, when expressed on the surface of cells, can mediate reciprocal cell-to-cell and cell-to-extracellular matrix (ECM) interactions leading to assembly of integrin...
16.
Hu S, He W, Bazer F, Johnson G, Wu G
Exp Biol Med (Maywood)
. 2023 Aug;
248(14):1206-1220.
PMID: 37632196
Glycine from sow's milk only meets 20% of the requirement of suckling piglets. However, how glycine is synthesized endogenously in neonates is not known. This study determined glycine synthesis from...
17.
Sah N, Stenhouse C, Halloran K, Moses R, Seo H, Burghardt R, et al.
Biol Reprod
. 2023 May;
109(1):107-118.
PMID: 37171613
The placenta requires high levels of adenosine triphosphate to maintain a metabolically active state throughout gestation. The creatine-creatine kinase-phosphocreatine system is known to buffer adenosine triphosphate levels; however, the role(s)...
18.
Li X, Bazer F, Johnson G, Burghardt R, Wu G
Exp Biol Med (Maywood)
. 2023 Apr;
248(8):702-711.
PMID: 37012677
This study was conducted with gilts as an animal model to test the hypothesis that dietary supplementation with L-citrulline (Cit) improves placental angiogenesis and embryonic survival. Between Days 14 and...
19.
Herring C, Bazer F, Johnson G, Seo H, Hu S, Elmetwally M, et al.
J Anim Sci Biotechnol
. 2022 Dec;
13(1):134.
PMID: 36476252
Background: Most embryonic loss in pigs occurs before d 30 of gestation. Dietary supplementation with L-arginine (Arg) during early gestation can enhance the survival and development of conceptuses (embryo/fetus and...
20.
Halloran K, Stenhouse C, Moses R, Kramer A, Sah N, Seo H, et al.
Amino Acids
. 2022 Nov;
55(1):125-137.
PMID: 36383272
Highly proliferative cells rely on one carbon (1C) metabolism for production of formate required for synthesis of purines and thymidine for nucleic acid synthesis. This study was to determine if...