FIND

researchers

DISCOVER

relevant articles

PROMOTE

your research

now for free

Pekka Mäenpää

Research Profile

Chemicals & Drugs

Living Beings

Geographic Areas

Finland

Co-author Network

Publications

TOP 3
Tiina Jääskeläinen; J Huhtakangas; Pekka H Mäenpää
Negative regulation of human parathyroid hormone gene promoter by vitamin D3 through nuclear factor Y.
Tiina Jääskeläinen; Sanna Ryhänen; Pekka H Mäenpää
9-cis retinoic acid accelerates calcitriol-induced osteocalcin production and promotes degradation of both vitamin D receptor and retinoid X receptor in human osteoblastic cells.
Sanna Ryhänen; Tiina Jääskeläinen; Anitta Mahonen; Pekka H Mäenpää
Inhibition of MG-63 cell cycle progression by synthetic vitamin D3 analogs mediated by p27, Cdk2, cyclin E, and the retinoblastoma protein.

Register for free to view:

Visualized networks:

See your personal network in
sophisticated graphical views

GeoTargeted Searches:

Locate experts around the world
and connect with global collaborators

Research Profiles:

See the research activity
of experts around the globe

Geonetwork of Pekka Mäenpää (preview)

Cities where this author has publications
Cities where co-authors of this author have publications

Flash Player Required

All Publications

2005: Tiina Jääskeläinen; J Huhtakangas; Pekka H Mäenpää
Negative regulation of human parathyroid hormone gene promoter by vitamin D3 through nuclear factor Y.
Biochemical and biophysical research communications 2005;328(4):831-7.
2003: Tiina Jääskeläinen; Sanna Ryhänen; Pekka H Mäenpää
9-cis retinoic acid accelerates calcitriol-induced osteocalcin production and promotes degradation of both vitamin D receptor and retinoid X receptor in human osteoblastic cells.
Journal of cellular biochemistry 2003;89(6):1164-76.
2003: Sanna Ryhänen; Tiina Jääskeläinen; Anitta Mahonen; Pekka H Mäenpää
Inhibition of MG-63 cell cycle progression by synthetic vitamin D3 analogs mediated by p27, Cdk2, cyclin E, and the retinoblastoma protein.
Biochemical pharmacology 2003;66(3):495-504.
2003: Timo Salmén; Anna-Mari Heikkinen; Anitta Mahonen; Heikki Kröger; Marja Komulainen; Heli Pallonen; Seppo Saarikoski; Risto Honkanen; Pekka H Mäenpää
Relation of androgen receptor gene polymorphism to bone mineral density and fracture risk in early postmenopausal women during a 5-year randomized hormone replacement therapy trial.
Journal of bone and mineral research : the official journal of the American Society for Bone and Mineral Research 2003;18(2):319-24.
2003: Timo Salmen; Anna-Mari Heikkinen; Anitta Mahonen; Heikki Kröger; Marja Komulainen; Heli Pallonen; Seppo Saarikoski; Risto Honkanen; Pekka H Mäenpää
Relation of aromatase gene polymorphism and hormone replacement therapy to serum estradiol levels, bone mineral density, and fracture risk in early postmenopausal women.
Annals of medicine 2003;35(4):282-8.
2002: Sami Väisänen; Sanna Ryhänen; Janne T A Saarela; Mikael Peräkylä; Teemu Andersin; Pekka H Mäenpää
Structurally and functionally important amino acids of the agonistic conformation of the human vitamin D receptor.
Molecular pharmacology 2002;62(4):788-94.
2002: Arja Pirhonen; Annikka Linnala-Kankkunen; Robert M Kenney; Pekka H Mäenpää
Protamine P1 sequences in equids: comparison with even-toed animals.
Theriogenology 2002;58(5):1007-15.
2002: Joonas Sirola; J Sirola; Risto Honkanen; Heikki Kröger; Jukka S Jurvelin; Pekka H Mäenpää; Seppo Saarikoski
Relation of statin use and bone loss: a prospective population-based cohort study in early postmenopausal women.
Osteoporosis international : a journal established as result of cooperation between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA 2002;13(7):537-41.
2002: Harry L Goldsmith; J M Labrosse; Fiona A McIntosh; Pekka H Mäenpää; Mari T Kaartinen; Marc McKee
Homotypic interactions of soluble and immobilized osteopontin.
Annals of biomedical engineering 2002;30(6):840-50.
2002: Marjaana Nousiainen; Peter J Derrick; Mari T Kaartinen; Pekka H Mäenpää; Juha Rouvinen; Pirjo Vainiotalo
A mass spectrometric study of metal binding to osteocalcin.
Chemistry & biology 2002;9(2):195-202.
2002: Timo Salmén; Anna-Mari Heikkinen; Anitta Mahonen; Heikki Kröger; Marja Komulainen; Seppo Saarikoski; Risto Honkanen; Juhani Partanen; Pekka H Mäenpää
Relation of estrogen receptor-alpha gene polymorphism and hormone replacement therapy to fall risk and muscle strength in early postmenopausal women.
Annals of medicine 2002;34(1):64-72.
2001: MC Backström; Anitta Mahonen; M Ala-Houhala; Harri Sievänen; Pekka H Mäenpää; Anna-Maija Koivisto; Anu Olkku; R Mäki; Markku Mäki
Genetic determinants of bone mineral content in premature infants.
Archives of disease in childhood. Fetal and neonatal edition 2001;85(3):F214-6.
2001: Pekka H Mäenpää; Sami Väisänen; Tiina Jääskeläinen; Sanna Ryhänen; Juha Rouvinen; C Duchier; Anitta Mahonen
Vitamin D(3) analogs (MC 1288, KH 1060, EB 1089, GS 1558, and CB 1093): studies on their mechanism of action.
Steroids 2001;66(3-5):223-5.
2001: Sami Väisänen; Sanna Ryhänen; Pekka H Mäenpää
Vitamin D3 analog screening.
Methods in molecular biology (Clifton, N.J.) 2001;176():163-75.
2000: Timo Salmén; Anna-Mari Heikkinen; Anitta Mahonen; Heikki Kröger; Marja Komulainen; Seppo Saarikoski; Risto Honkanen; Pekka H Mäenpää
The protective effect of hormone-replacement therapy on fracture risk is modulated by estrogen receptor alpha genotype in early postmenopausal women.
Journal of bone and mineral research : the official journal of the American Society for Bone and Mineral Research 2000;15(12):2479-86.
2000: Timo Salmén; Anna-Mari Heikkinen; Anitta Mahonen; Heikki Kröger; Marja Komulainen; Seppo Saarikoski; Risto Honkanen; Pekka H Mäenpää
Early postmenopausal bone loss is associated with PvuII estrogen receptor gene polymorphism in Finnish women: effect of hormone replacement therapy.
Journal of bone and mineral research : the official journal of the American Society for Bone and Mineral Research 2000;15(2):315-21.
2000: Tiina Jääskeläinen; Sanna Ryhänen; Anitta Mahonen; H F DeLuca; Pekka H Mäenpää
Mechanism of action of superactive vitamin D analogs through regulated receptor degradation.
Journal of cellular biochemistry 2000;76(4):548-58.
1999: Sami Väisänen; C Duchier; Juha Rouvinen; Pekka H Mäenpää
The importance of the putative helices 4 and 5 of human vitamin D(3) receptor for conformation and ligand binding.
Biochemical and biophysical research communications 1999;264(2):478-82.
1999: Sami Väisänen; Sanna Ryhänen; Janne T A Saarela; Pekka H Mäenpää
Structure-function studies of new C-20 epimer pairs of vitamin D3 analogs.
European journal of biochemistry / FEBS 1999;261(3):706-13.
1999: Mari T Kaartinen; Arja Pirhonen; Annikka Linnala-Kankkunen; Pekka H Mäenpää
Cross-linking of osteopontin by tissue transglutaminase increases its collagen binding properties.
The Journal of biological chemistry 1999;274(3):1729-35.
1998: Sami Väisänen; Juha Rouvinen; Pekka H Mäenpää
Putative helices 3 and 5 of the human vitamin D3 receptor are important for the binding of calcitriol.
FEBS letters 1998;440(1-2):203-7.
1998: Sanna Ryhänen; Tiina Jääskeläinen; Janne T A Saarela; Pekka H Mäenpää
Inhibition of proliferation and induction of differentiation of osteoblastic cells by a novel 1,25-dihydroxyvitamin D3 analog with an extensively modified side chain (CB1093).
Journal of cellular biochemistry 1998;70(3):414-24.
1998: Anitta Mahonen; Arja Jukkola; Leila Risteli; Juha Risteli; Pekka H Mäenpää
Type I procollagen synthesis is regulated by steroids and related hormones in human osteosarcoma cells.
Journal of cellular biochemistry 1998;68(2):151-63.
1997: Mari T Kaartinen; Arja Pirhonen; Annikka Linnala-Kankkunen; Pekka H Mäenpää
Transglutaminase-catalyzed cross-linking of osteopontin is inhibited by osteocalcin.
The Journal of biological chemistry 1997;272(36):22736-41.
1997: Sanna Ryhänen; A Pirskanen; Tiina Jääskeläinen; Pekka H Mäenpää
State of methylation of the human osteocalcin gene in bone-derived and other types of cells.
Journal of cellular biochemistry 1997;66(3):404-12.
1997: Sami Väisänen; Katri S Juntunen; A Itkonen; Pirkko Vihko; Pekka H Mäenpää
Conformational studies of human vitamin-D receptor by antipeptide antibodies, partial proteolytic digestion and ligand binding.
European journal of biochemistry / FEBS 1997;248(1):156-62.
1997: Z Luo; A Itkonen; Pekka H Mäenpää
Active nuclear transport of chicken lipovitellin-2.
Biochemical and biophysical research communications 1997;234(3):760-3.
1996: Sanna Ryhänen; A Mahonen; Tiina Jääskeläinen; Pekka H Mäenpää
Synthetic 20-epi analogs of calcitriol are potent inducers of target-gene activation in osteoblastic cells.
European journal of biochemistry / FEBS 1996;238(1):97-103.
1996: A Mahonen; Tiina Jääskeläinen; Pekka H Mäenpää
A novel vitamin D analog with two double bonds in its side chain. A potent inducer of osteoblastic cell differentiation.
Biochemical pharmacology 1996;51(7):887-92.
1995: Pekka H Mäenpää; Tiina Jääskeläinen; A Mahonen
Effects of a new vitamin D analog, EB 1089, on osteoblastic cells.
Annals of the New York Academy of Sciences 1995;761():349-50.
1995: H Kröger; A Mahonen; Sanna Ryhänen; A M Turunen; E Alhava; Pekka H Mäenpää
Vitamin D receptor genotypes and bone mineral density.
Lancet 1995;345(8959):1238; author reply 1239.
1995: Tiina Jääskeläinen; A Itkonen; Pekka H Mäenpää
Retinoid-X-receptor-alpha-independent binding of vitamin D receptor to its response element from human osteocalcin gene.
European journal of biochemistry / FEBS 1995;228(2):222-8.
1994: A Mahonen; Pekka H Mäenpää
Steroid hormone modulation of vitamin D receptor levels in human MG-63 osteosarcoma cells.
Biochemical and biophysical research communications 1994;205(2):1179-86.
1994: A Pirskanen; Tiina Jääskeläinen; Pekka H Mäenpää
Effects of transforming growth factor beta 1 on the regulation of osteocalcin synthesis in human MG-63 osteosarcoma cells.
Journal of bone and mineral research : the official journal of the American Society for Bone and Mineral Research 1994;9(10):1635-42.
1994: Tiina Jääskeläinen; A Pirskanen; Sanna Ryhänen; J J Palvimo; H F Deluca; Pekka H Mäenpää
Functional interference between AP-1 and the vitamin D receptor on osteocalcin gene expression in human osteosarcoma cells.
European journal of biochemistry / FEBS 1994;224(1):11-20.
1994: Z Luo; Juha Rouvinen; Pekka H Mäenpää
A peptide C-terminal to the second Zn finger of human vitamin D receptor is able to specify nuclear localization.
European journal of biochemistry / FEBS 1994;223(2):381-7.
1994: A Pirhonen; Annikka Linnala-Kankkunen; Pekka H Mäenpää
Identification of phosphoseryl residues in protamines from mature mammalian spermatozoa.
Biology of reproduction 1994;50(5):981-6.
1994: M L Heiskanen; M Huhtinen; A Pirhonen; Pekka H Mäenpää
Insemination results with slow-cooled stallion semen stored for approximately 40 hours.
Acta veterinaria Scandinavica 1994;35(3):257-62.
1994: M L Heiskanen; L Hilden; S Hyyppä; A Kangasniemi; A Pirhonen; Pekka H Mäenpää
Freezability and fertility results with uncentrifuged stallion semen.
Acta veterinaria Scandinavica 1994;35(4):377-82.
1993: A Pirskanen; Tiina Jääskeläinen; Pekka H Mäenpää
Insulin-like growth factor-1 modulates steroid hormone effects on osteocalcin synthesis in human MG-63 osteosarcoma cells.
European journal of biochemistry / FEBS 1993;218(3):883-91.
1993: A Pirhonen; S Jääskeläinen; Annikka Linnala-Kankkunen; Pekka H Mäenpää
An aminoterminally extended P1-protamine variant in the boar.
Biochemical and biophysical research communications 1993;196(2):831-6.
1993: A Pirhonen; P Valtonen; Annikka Linnala-Kankkunen; Pekka H Mäenpää
In vitro phosphorylation sites of stallion and bull P1-protamines for cyclic adenosine 3',5'-monophosphate-dependent protein kinase and protein kinase C.
Biology of reproduction 1993;48(4):821-7.
1993: R Lappeteläinen; E Lappeteläinen; T Hassinen; M Hahl; A Pirskanen; Pekka H Mäenpää
Biochemical indicators of bone metabolic activity in bovine periparturient hypocalcemia.
Zentralblatt für Veterinärmedizin. Reihe A 1993;40(1):67-72.
1992: Pentti Tuohimaa; Merja Bläuer; Tiina Jääskeläinen; A Itkonen; M Lindfors; A Mahonen; J Palvimo; P Vilja; Pekka H Mäenpää
Characterization of human 1,25-dihydroxyvitamin D3 receptor anti-peptide antibodies.
The Journal of steroid biochemistry and molecular biology 1992;43(7):649-57.
1991: A Pirskanen; A Mahonen; Pekka H Mäenpää
Modulation of 1,25(OH)2D3-induced osteocalcin synthesis in human osteosarcoma cells by other steroidal hormones.
Molecular and cellular endocrinology 1991;76(1-3):149-59.
1991: A Mahonen; A Pirskanen; Pekka H Mäenpää
Homologous and heterologous regulation of 1,25-dihydroxyvitamin D-3 receptor mRNA levels in human osteosarcoma cells.
Biochimica et biophysica acta 1991;1088(1):111-8.
1991: Markku Parviainen; A Pirskanen; A Mahonen; E M Alhava; Pekka H Mäenpää
Use of non-collagen markers in osteoporosis studies.
Calcified tissue international 1991;49 Suppl():S26-30.
1991: Pekka H Mäenpää; A Mahonen; A Pirskanen
Hormonal regulation of vitamin D receptor levels and osteocalcin synthesis in human osteosarcoma cells.
Calcified tissue international 1991;49 Suppl():S85-6.
1990: T Valaja; A Mahonen; A Pirskanen; Pekka H Mäenpää
Affinity of MC 903 for 1,25-dihydroxyvitamin D receptor and its effects on the synthesis of osteocalcin in human osteosarcoma cells.
Biochemical pharmacology 1990;40(8):1827-32.
1990: A Pirhonen; P Valtonen; Annikka Linnala-Kankkunen; M L Heiskanen; Pekka H Mäenpää
Primary structures of two protamine 2 variants (St2a and St2b) from stallion spermatozoa.
Biochimica et biophysica acta 1990;1039(2):177-80.
1990: T Valaja; A Mahonen; A Pirskanen; Pekka H Mäenpää
Affinity of 22-oxa-1,25(OH)2D3 for 1,25-dihydroxyvitamin D receptor and its effects on the synthesis of osteocalcin in human osteosarcoma cells.
Biochemical and biophysical research communications 1990;169(2):629-35.
1990: T Ripatti; P Koskela; M Kotimaa; E Koskinen; Pekka H Mäenpää
Serum IgG antibody concentrations against environmental microbes in mares and foals during different seasons and effect of stabling practices.
American journal of veterinary research 1990;51(4):550-5.
1990: A Mahonen; A Pirskanen; Riitta Keinänen; Pekka H Mäenpää
Effect of 1,25(OH)2D3 on its receptor mRNA levels and osteocalcin synthesis in human osteosarcoma cells.
Biochimica et biophysica acta 1990;1048(1):30-7.
1990: Esko Kumpusalo; A Karinpää; Matti Jauhiainen; M Laitinen; R Lappeteläinen; Pekka H Mäenpää
Multivitamin supplementation of adult omnivores and lactovegetarians: circulating levels of vitamin A, D and E, lipids, apolipoproteins and selenium.
International journal for vitamin and nutrition research. Internationale Zeitschrift für Vitamin- und Ernährungsforschung. Journal international de vitaminologie et de nutrition 1990;60(1):58-66.
1989: L Lindqvist; Pekka H Mäenpää; A R Pösö
Functional significance of aminoacyl-tRNA synthetase complex in the aminoacylation of tRNA(Leu) isoacceptors.
Biochemical and biophysical research communications 1989;163(1):513-9.
1989: A Pirhonen; Annikka Linnala-Kankkunen; Pekka H Mäenpää
Comparison of partial amino acid sequences of two protamine 2 variants from stallion sperm. Structural evidence that the variants are products of different genes.
FEBS letters 1989;244(1):199-202.
1989: Pekka H Mäenpää; A Pirhonen; A Pirskanen; J Pekkanen; G Alfthan; S L Kivelä; A Nissinen
Biochemical indicators related to antioxidant status and bone metabolic activity in Finnish elderly men.
International journal for vitamin and nutrition research. Internationale Zeitschrift für Vitamin- und Ernährungsforschung. Journal international de vitaminologie et de nutrition 1989;59(1):14-9.
1988: Pekka H Mäenpää; T Koskinen; E Koskinen
Serum profiles of vitamins A, E and D in mares and foals during different seasons.
Journal of animal science 1988;66(6):1418-23.
1988: Pekka H Mäenpää; A Pirhonen; E Koskinen
Vitamin A, E and D nutrition in mares and foals during the winter season: effect of feeding two different vitamin-mineral concentrates.
Journal of animal science 1988;66(6):1424-9.
1988: Jukka T Salonen; Riitta Salonen; K Seppänen; M Kantola; Markku Parviainen; Georg Alfthan; Pekka H Mäenpää; E Taskinen; Rainer Rauramaa
Relationship of serum selenium and antioxidants to plasma lipoproteins, platelet aggregability and prevalent ischaemic heart disease in Eastern Finnish men.
Atherosclerosis 1988;70(1-2):155-60.
1988: E Vartiainen; J Palvimo; A Mahonen; Annikka Linnala-Kankkunen; Pekka H Mäenpää
Selective decrease in low-Mr HMG proteins HMG I and HMG Y during differentiation of mouse teratocarcinoma cells.
FEBS letters 1988;228(1):45-8.
1988: J Palvimo; Pekka H Mäenpää
Binding of high-mobility-group proteins HMG 14 and HMG 17 to DNA and histone H1 as influenced by phosphorylation.
Biochimica et biophysica acta 1988;952(2):172-80.
1988: Annikka Linnala-Kankkunen; J Palvimo; Pekka H Mäenpää
Phosphorylation of acid-soluble chromatin proteins from tissues of different species by purified cyclic GMP-dependent protein kinase.
Comparative biochemistry and physiology. B, Comparative biochemistry 1988;90(1):91-4.
1987: J Palvimo; A Mahonen; Pekka H Mäenpää
Phosphorylation of high-mobility-group chromatin proteins by protein kinase C from rat brain.
Biochimica et biophysica acta 1987;931(3):376-83.
1987: J Palvimo; P Pohjanpelto; Annikka Linnala-Kankkunen; Pekka H Mäenpää
Alterations in amounts and covalent modifications of low-molecular-weight chromosomal proteins in Chinese hamster ovary cells during polyamine depletion.
Biochimica et biophysica acta 1987;909(1):21-9.
1987: Pekka H Mäenpää; R Lappeteläinen; J Virkkunen
Serum retinol, 25-hydroxyvitamin D and alpha-tocopherol of racing trotters in Finland.
Equine veterinary journal 1987;19(3):237-40.
1987: M L Heiskanen; A Pirhonen; E Koskinen; Pekka H Mäenpää
Motility and ATP content of extended equine spermatozoa in different storage conditions.
Journal of reproduction and fertility. Supplement 1987;35():103-7.
1986: J Palvimo; P Pohjanpelto; Annikka Linnala-Kankkunen; Pekka H Mäenpää
Phosphorylation of a low Mr high mobility group protein in Chinese hamster ovary cells.
Biochemical and biophysical research communications 1986;134(2):617-23.
1985: J Palvimo; Annikka Linnala-Kankkunen; Pekka H Mäenpää
Phosphorylation alters the affinity of high mobility group protein HMG 14 for single-stranded DNA.
Biochemical and biophysical research communications 1985;133(1):343-6.
1985: Jukka T Salonen; Riitta Salonen; I Penttilä; J Herranen; Matti Jauhiainen; M Kantola; R Lappeteläinen; Pekka H Mäenpää; G Alfthan; P Puska
Serum fatty acids, apolipoproteins, selenium and vitamin antioxidants and the risk of death from coronary artery disease.
The American journal of cardiology 1985;56(4):226-31.
1985: J Palvimo; Annikka Linnala-Kankkunen; Pekka H Mäenpää
Thiophosphorylation and phosphorylation of chromatin proteins from calf thymus in vitro.
Biochemical and biophysical research communications 1985;126(1):103-8.
1984: Annikka Linnala-Kankkunen; J Palvimo; Pekka H Mäenpää
Polyamines and heparin do not appreciably influence phosphorylation of chromatin proteins HMG 14 and HMG 17 by nuclear protein kinase II.
Biochimica et biophysica acta 1984;799(2):122-7.
1984: R Lappeteläinen; K Savolainen; Pekka H Mäenpää
Vitamin D metabolites in avian plasma after a single, large dose of vitamin D3.
Biochemical pharmacology 1984;33(9):1560-2.
1983: R T Korhonen; K E Savolainen; Pekka H Mäenpää
High-performance liquid chromatographic determination of 24,25-dihydroxyvitamin D3 in serum.
Journal of chromatography 1983;275(2):418-22.
1983: J Palvimo; Annikka Linnala-Kankkunen; Pekka H Mäenpää
Differential phosphorylation of high mobility group protein hmg 14 from calf thymus and avian erythrocytes by a cyclic gmp-dependent protein kinase.
Biochemical and biophysical research communications 1983;110(2):378-82.
1981: Annikka Linnala-Kankkunen; Pekka H Mäenpää
Phosphorylation of high mobility group protein HMG 14 by a cyclic GMP-dependent protein kinase from avian liver nucleoli.
Biochimica et biophysica acta 1981;654(2):287-91.
1981: Markku Parviainen; K E Savolainen; E M Alhava; Pekka H Mäenpää
25-hydroxyvitamin D2, 25-hydroxyvitamin D3 and total 24,25-dihydroxyvitamin D in human serum.
Annals of clinical research 1981;13(1):26-33.