Search Results - "Penttilä, L"

Oligosaccharide Constructs with Defined Structures That Inhibit Binding of Mouse Sperm to Unfertilized Eggs in Vitro by Litscher, Eveline S, Juntunen, Kari, Seppo, Antti, Penttila, Leena, Niemela, Ritva, Renkonen, Ossi, Wassarman, Paul M

“…During fertilization in mice, free-swimming sperm bind to mZP3, an 83-kDa glycoprotein present in the egg extracellular coat, the zone pellucida [Wasserman,…”
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Stage-specific expression of the FSH receptor gene in the prepubertal and adult rat seminiferous epithelium by Rannikko, A, Penttilä, T L, Zhang, F P, Toppari, J, Parvinen, M, Huhtaniemi, I

“…Stage-specific expression of the FSH receptor (FSHR) gene in the rat seminiferous epithelium was studied. Using transillumination-assisted microdissection for…”
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De novo expression of endothelial sialyl Lewis(a) and sialyl Lewis(x) during cardiac transplant rejection: superior capacity of a tetravalent sialyl Lewis(x) oligosaccharide in inhibiting L-selectin-dependent lymphocyte adhesion by Turunen, J P, Majuri, M L, Seppo, A, Tiisala, S, Paavonen, T, Miyasaka, M, Lemström, K, Penttilä, L, Renkonen, O, Renkonen, R

“…Acute organ transplant rejection is characterized by a heavy lymphocyte infiltration. We have previously shown that alterations in the graft endothelium lead…”
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Expression of inhibin beta A and beta B, follistatin and activin-A receptor messenger ribonucleic acids in the rat seminiferous epithelium by Kaipia, A, Penttilä, T L, Shimasaki, S, Ling, N, Parvinen, M, Toppari, J

“…The expression of inhibin beta A and beta B subunits, follistatin, and activin-A receptor messenger RNA (mRNAs) in different stages of rat seminiferous…”
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Comparative analysis of minimal residual disease detection by multiparameter flow cytometry and enhanced ASO RQ-PCR in multiple myeloma by Silvennoinen, R, Lundan, T, Kairisto, V, Pelliniemi, T-T, Putkonen, M, Anttila, P, Huotari, V, Mäntymaa, P, Siitonen, S, Uotila, L, Penttilä, T-L, Juvonen, V, Selander, T, Remes, K

“…Multiparameter flow cytometry (MFC) and allele-specific oligonucleotide real-time quantitative PCR (ASO RQ-PCR) are the two most sensitive methods to detect…”
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Synthesis of a new nanomolar saccharide inhibitor of lymphocyte adhesion: different polylactosamine backbones present multiple sialyl Lewis x determinants to L-selectin in high-affinity mode by Renkonen, Ossi, Toppila, Sanna, Penttilä, Leena, Salminen, Heidi, Helin, Jari, Maaheimo, Hannu, Costello, Catherine E., Turunen, Juha Pekka, Renkonen, Risto

“…Lymphocyte infiltration is a hallmark of acute rejections in solid organ transplants, such as cardiac allograft We have previously shown that lymphocyte…”
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Synthesis of a tetravalent sialyl Lewis x glycan, a high-affinity inhibitor of L-selectin-mediated lymphocyte binding to endothelium by Seppo, Antti, Turunen, Juha Pekka, Penttilä, Leena, Keane, Anita, Renkonen, Ossi, Renkonen, Risto

“…Kidney transplant rejection is an inflammatory process characterized by lymphocyte infiltration. Our earlier observations have shown that peritubular capillary…”
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The beta 1,6-GlcNAc transferase activity present in hog gastric mucosal microsomes catalyses site-specific branch formation on a long polylactosamine backbone by Helin, J, Penttilä, L, Leppänen, A, Maaheimo, H, Lauri, S, Costello, C E, Renkonen, O

“…We find that the beta 1,6-GlcNAc transferase activity present in hog gastric mucosal microsomes converts the linear pentasaccharide GlcNAc beta 1-3Gal beta…”
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Localization of urokinase- and tissue-type plasminogen activator mRNAs in rat testes by Penttilä, T L, Kaipia, A, Toppari, J, Parvinen, M, Mali, P

“…The expressions of urokinase (uPA) and tissue-type plasminogen activators (tPA) in different stages of the rat seminiferous epithelial cycle were analyzed by…”
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L-selectin ligands in rat high endothelium: multivalent sialyl Lewis x glycans are high-affinity inhibitors of lymphocyte adhesion by Toppila, S, Lauronen, J, Mattila, P, Turunen, J P, Penttilä, L, Paavonen, T, Renkonen, O, Renkonen, R

“…Lymphocyte homing is initiated by their tethering to and rolling on the high endothelium and is followed by extravasation into the lymph nodes. We show here…”
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The β1,6-GlcNAc transferase activity present in hog gastric mucosal microsomes catalyses site-specific branch formation on a long polylactosamine backbone by Helin, J, Penttilä, L, Leppänen, A, Maaheimo, H, Lauri, S, Costello, C.E, Renkonen, O

“…We find that the β1,6-GlcNAc transferase activity present in hog gastric mucosal microsomes converts the linear pentasaccharide…”
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Improved enzymatic synthesis of a highly potent oligosaccharide antagonist of L-selectin by Salminen, Heidi, Ahokas, Katja, Niemelä, Ritva, Penttilä, Leena, Maaheimo, Hannu, Helin, Jari, Costello, Catherine E, Renkonen, Ossi

“…The polylactosamine sLexβ1–3′(sLexβ1–6′)LacNAcβ1–3′(sLexβ1–6′)LacNAcβ1–3′(sLexβ1–6′)LacNAc ( 7) (where sLex is Neu5Acα2–3Galβ1–4(Fucα1–3)GlcNAc and LacNAc is…”
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Spermiogenesis Deficiency in Mice Lacking the Trf2 Gene by Zhang, Di, Penttila, Tarja-Leena, Morris, Patricia L., Teichmann, Martin, Roeder, Robert G.

“…The discovery of TATA-binding protein-related factors (TRFs) has suggested alternative mechanisms for gene-specific transcriptional regulation and raised…”
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Estimation of food additive intake. Nordic approach by Penttilä, P L

“…Food additive intake has been estimated in Finland by means of a stepwise system using simultaneously two different methods. The first method, based on food…”
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Enzyme-assisted synthesis of a bivalent high-affinity dodecasaccharide inhibitor of mouse gamete adhesion. The length of the chains carrying distal alpha 1,3-bonded galactose residues is critical by Niemelä, R, Penttilä, L, Seppo, A, Helin, J, Leppänen, A, Räbinä, J, Uusitalo, L, Maaheimo, H, Taskinen, J, Costello, C E

“…Proposing to study the molecular mechanisms of mouse gamete adhesion with the aid of high affinity adhesion inhibitors of saccharide nature, we report here the…”
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Expression of inhibin alpha, beta A and beta B messenger ribonucleic acids in the normal human ovary and in polycystic ovarian syndrome by Jaatinen, T A, Penttilä, T L, Kaipia, A, Ekfors, T, Parvinen, M, Toppari, J

“…We studied the cellular distribution of inhibin alpha, beta A and beta B mRNAs in the normal human ovary and in polycystic ovarian syndrome (PCOS) by in situ…”
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Analysis of nucleotide sugars from cell lysates by ion-pair solid-phase extraction and reversed-phase high-performance liquid chromatography by Räbinä, J, Mäki, M, Savilahti, E M, Järvinen, N, Penttilä, L, Renkonen, R

“…Analysis of nucleotide sugar metabolism is essential in studying glycosylation in cells. Here we describe practical methods for both extraction of nucleotide…”
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Follicle-stimulating hormone regulation of inhibin alpha-subunit mRNA in staged rat seminiferous tubules by Kaipia, A, Penttilä, T L, Toppari, J

“…Steady-state levels of inhibin-alpha and -beta B mRNAs are higher in stages II-VI of the seminiferous epithelial cycle than in stages VII-VIII. We investigated…”
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N-acetyllactosaminooligosaccharides that contain the beta-D-GlcpNAc-(1----6)-D-Gal or beta-D-GlcpNAc-(1----6)-D-GalNAc sequences reveal reduction-sensitive affinities for wheat germ agglutinin by Renkonen, O, Penttilä, L, Niemelä, R, Vainio, A, Leppänen, A, Helin, J, Seppo, A, Makkonen, A, Maaheimo, H

“…Affinity chromatography of unreduced oligosaccharides on a small column of immobilized wheat germ agglutinin (WGA) revealed high-binding affinities for several…”
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Elongation of both branches of biantennary backbones of oligo-(N-acetyllactosamino)glycans by human serum (1----3)-N-acetyl-beta-D- glucosaminyltransferase by Vilkman, A, Niemelä, R, Penttilä, L, Helin, J, Leppänen, A, Seppo, A, Maaheimo, H, Lusa, S, Renkonen, O

“…Partial reactions catalyzed by a (1---3)-N-acetyl-beta-D- glucosaminyltransferase (EC2.4.1.149), known to be present in human serum, were studied by use of…”
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