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Koichi Masuda

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TOP 3
Jun Li; Yumiko Abe; Carol Muehleman; Koichi Masuda
Prevalence of facet joint degeneration in association with intervertebral joint degeneration in a sample of organ donors.
Krzysztof Siemionow; Koichi Masuda; Howard An; Gunnar Andersson; Gabriella Cs-Szabo
The effects of age, sex, ethnicity, and spinal level on the rate of intervertebral disc degeneration: a review of 1712 intervertebral discs.
Howard S An; Gunnar B J Andersson; Ana Chee; Gabriella Cs-Szabo; Hee-Jeong Im; Koichi Masuda; Eugene J-M A Thonar; Yejia Zhang; Young-Min Kwon
Biologic repair and regeneration of the intervertebral disk.

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All Publications

2011: Jun Li; Yumiko Abe; Carol Muehleman; Koichi Masuda
Prevalence of facet joint degeneration in association with intervertebral joint degeneration in a sample of organ donors.
Journal of orthopaedic research : official publication of the Orthopaedic Research Society 2011;29(8):1267-74.
2011: Krzysztof Siemionow; Koichi Masuda; Howard An; Gunnar Andersson; Gabriella Cs-Szabo
The effects of age, sex, ethnicity, and spinal level on the rate of intervertebral disc degeneration: a review of 1712 intervertebral discs.
Spine 2011;36(17):1333-9.
2011: Howard S An; Gunnar B J Andersson; Ana Chee; Gabriella Cs-Szabo; Hee-Jeong Im; Koichi Masuda; Eugene J-M A Thonar; Yejia Zhang; Young-Min Kwon
Biologic repair and regeneration of the intervertebral disk.
The Journal of the American Academy of Orthopaedic Surgeons 2011;19(7):450-2.
2011: Fackson Mwale; Rajeswari Pichika; Peter J Roughley; Tomoaki Yoshikawa; Laura M Epure; Aseem Hemmad; Koichi Masuda; John Antoniou
The efficacy of Link N as a mediator of repair in a rabbit model of intervertebral disc degeneration.
Arthritis research & therapy 2011;13(4):R120.
2010: Carol Muehleman; Arkady Margulis; Won C Bae; Koichi Masuda
Relationship between knee and ankle degeneration in a population of organ donors.
BMC medicine 2010;8():48.
2009: Carol Muehleman; Jun Li; Yumiko Abe; Brian Pfister; Robert Sah; Roger Phipps; Koichi Masuda
Effect of risedronate in a minipig cartilage defect model with allograft.
Journal of orthopaedic research : official publication of the Orthopaedic Research Society 2009;27(3):360-5.
2009: Kern Singh; Koichi Masuda; Eugene Thonar; Howard S An; Gabriella Cs-Szabo
Age-related changes in the extracellular matrix of nucleus pulposus and anulus fibrosus of human intervertebral disc.
Spine 2009;34(1):10-6.
2008: Sota Kitahara; Koichi Nakagawa; Robert Sah; Yuichi Wada; Tetsuro Ogawa; Hideshige Moriya; Koichi Masuda
In vivo maturation of scaffold-free engineered articular cartilage on hydroxyapatite.
Tissue engineering. Part A 2008;14(11):1905-13.
2008: Michiaki Yamada; Koji Akeda; Kunihiro Asanuma; Eugene Thonar; Howard S An; Atsumasa Uchida; Koichi Masuda
Effect of osteogenic protein-1 on the matrix metabolism of bovine tendon cells.
Journal of orthopaedic research : official publication of the Orthopaedic Research Society 2008;26(1):42-8.
2007: Kalpa P Patel; John D Sandy; Koji Akeda; Kei Miyamoto; Takehide Chujo; Howard S An; Koichi Masuda
Aggrecanases and aggrecanase-generated fragments in the human intervertebral disc at early and advanced stages of disc degeneration.
Spine 2007;32(23):2596-603.
2007: Mohammed F Shamji; Helawe Betre; Virginia B Kraus; Jun Chen; Ashutosh Chilkoti; Rajeswari Pichika; Koichi Masuda; Lori A Setton
Development and characterization of a fusion protein between thermally responsive elastin-like polypeptide and interleukin-1 receptor antagonist: sustained release of a local antiinflammatory therapeutic.
Arthritis and rheumatism 2007;56(11):3650-61.
2007: Kazuhiro Chiba; Koichi Masuda; Gunnar B J Andersson; Shigeki Momohara; Eugene Thonar
Matrix replenishment by intervertebral disc cells after chemonucleolysis in vitro with chondroitinase ABC and chymopapain.
The spine journal : official journal of the North American Spine Society 2007;7(6):694-700.
2007: Mark S Cohen; Daniel R Schimmel; Koichi Masuda; Hill Hastings; Carol Muehleman
Structural and biochemical evaluation of the elbow capsule after trauma.
Journal of shoulder and elbow surgery / American Shoulder and Elbow Surgeons ... [et al.] 2007;16(4):484-90.
2007: Yoshiyuki Imai; Kei Miyamoto; Howard S An; Eugene Thonar; Gunnar B J Andersson; Koichi Masuda
Recombinant human osteogenic protein-1 upregulates proteoglycan metabolism of human anulus fibrosus and nucleus pulposus cells.
Spine 2007;32(12):1303-9; discussion 1310.
2007: Yoshiyuki Imai; Masahiko Okuma; Howard S An; Koichi Nakagawa; Michiaki Yamada; Carol Muehleman; Eugene Thonar; Koichi Masuda
Restoration of disc height loss by recombinant human osteogenic protein-1 injection into intervertebral discs undergoing degeneration induced by an intradiscal injection of chondroitinase ABC.
Spine 2007;32(11):1197-205.
2007: Yasuchika Aoki; Howard S An; Kazuhisa Takahashi; Kei Miyamoto; Mary Ellen Lenz; Hideshige Moriya; Koichi Masuda
Axonal growth potential of lumbar dorsal root ganglion neurons in an organ culture system: response of nerve growth factor-sensitive neurons to neuronal injury and an inflammatory cytokine.
Spine 2007;32(8):857-63.
2007: Yumiko Abe; Koji Akeda; Howard S An; Yasuchika Aoki; Rajeswari Pichika; Carol Muehleman; Tomoatsu Kimura; Koichi Masuda
Proinflammatory cytokines stimulate the expression of nerve growth factor by human intervertebral disc cells.
Spine 2007;32(6):635-42.
2007: Koji Akeda; Howard S An; Rajeswari Pichika; Kalpa Patel; Carol Muehleman; Koichi Nakagawa; Atsumasa Uchida; Koichi Masuda
The expression of NG2 proteoglycan in the human intervertebral disc.
Spine 2007;32(3):306-14.
2006: Takehide Chujo; Howard S An; Koji Akeda; Kei Miyamoto; Carol Muehleman; Mohamed Attawia; Gunnar Andersson; Koichi Masuda
Effects of growth differentiation factor-5 on the intervertebral disc--in vitro bovine study and in vivo rabbit disc degeneration model study.
Spine 2006;31(25):2909-17.
2006: Koji Akeda; Howard S An; Masahiko Okuma; Mohamed Attawia; Kei Miyamoto; Eugene Thonar; Mary Ellen Lenz; Robert Sah; Koichi Masuda
Platelet-rich plasma stimulates porcine articular chondrocyte proliferation and matrix biosynthesis.
Osteoarthritis and cartilage / OARS, Osteoarthritis Research Society 2006;14(12):1272-80.
2006: Yoichi Aota; Howard S An; Yoshiyuki Imai; Eugene Thonar; Carol Muehleman; Koichi Masuda
Comparison of cellular response in bovine intervertebral disc cells and articular chondrocytes: effects .of lipopolysaccharide on proteoglycan metabolism.
Cell and tissue research 2006;326(3):787-93.
2006: Kei Miyamoto; Koichi Masuda; Jesse G Kim; Nozomu Inoue; Koji Akeda; Gunnar B J Andersson; Howard S An
Intradiscal injections of osteogenic protein-1 restore the viscoelastic properties of degenerated intervertebral discs.
The spine journal : official journal of the North American Spine Society 2006;6(6):692-703.
2006: Yasuchika Aoki; Koji Akeda; Howard An; Carol Muehleman; Kazuhisa Takahashi; Hideshige Moriya; Koichi Masuda
Nerve fiber ingrowth into scar tissue formed following nucleus pulposus extrusion in the rabbit anular-puncture disc degeneration model: effects of depth of puncture.
Spine 2006;31(21):E774-80.
2006: Howard S An; Koichi Masuda; Nozomu Inoue
Intervertebral disc degeneration: biological and biomechanical factors.
Journal of orthopaedic science : official journal of the Japanese Orthopaedic Association 2006;11(5):541-52.
2006: Koichi Masuda; Howard S An
Prevention of disc degeneration with growth factors.
European spine journal : official publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society 2006;15 Suppl 3():S422-32.
2006: Juan Li; Kyle Jadin; Koichi Masuda; Robert Sah; Carol Muehleman
Characterization of lesions of the talus and description of tram-track lesions.
Foot & ankle international. / American Orthopaedic Foot and Ankle Society [and] Swiss Foot and Ankle Society 2006;27(5):344-55.
2006: Koji Akeda; Howard S An; Rajeswari Pichika; Mohamed Attawia; Eugene Thonar; Mary Ellen Lenz; Atsumasa Uchida; Koichi Masuda
Platelet-rich plasma (PRP) stimulates the extracellular matrix metabolism of porcine nucleus pulposus and anulus fibrosus cells cultured in alginate beads.
Spine 2006;31(9):959-66.
2006: Koichi Masuda; Yoshiyuki Imai; Masahiko Okuma; Carol Muehleman; Koichi Nakagawa; Koji Akeda; Eugene Thonar; Gunnar Andersson; Howard S An
Osteogenic protein-1 injection into a degenerated disc induces the restoration of disc height and structural changes in the rabbit anular puncture model.
Spine 2006;31(7):742-54.
2006: Koichi Masuda; B E Pfister; Robert Sah; Eugene Thonar
Osteogenic protein-1 promotes the formation of tissue-engineered cartilage using the alginate-recovered-chondrocyte method.
Osteoarthritis and cartilage / OARS, Osteoarthritis Research Society 2006;14(4):384-91.
2006: Kei Miyamoto; Koichi Masuda; Nozomu Inoue; Masahiko Okuma; Carol Muehleman; Howard S An
Anti-adhesion properties of a thrombin-based hemostatic gelatin in a canine laminectomy model: a biomechanical, biochemical, and histologic study.
Spine 2006;31(4):E91-7.
2005: Kern Singh; Koichi Masuda; Howard S An
Animal models for human disc degeneration.
The spine journal : official journal of the North American Spine Society 2005;5(6 Suppl):267S-279S.
2005: Kei Miyamoto; Howard S An; Robert Sah; Koji Akeda; Masahiko Okuma; Lori Otten; Eugene Thonar; Koichi Masuda
Exposure to pulsed low intensity ultrasound stimulates extracellular matrix metabolism of bovine intervertebral disc cells cultured in alginate beads.
Spine 2005;30(21):2398-405.
2005: Kenji Takegami; Howard S An; Fumio Kumano; Kazuhiro Chiba; Eugene Thonar; Kern Singh; Koichi Masuda
Osteogenic protein-1 is most effective in stimulating nucleus pulposus and annulus fibrosus cells to repair their matrix after chondroitinase ABC-induced in vitro chemonucleolysis.
The spine journal : official journal of the North American Spine Society 2005;5(3):231-8.
2005: Yoichi Aota; Howard S An; Gene A Homandberg; Eugene Thonar; Gunnar B J Andersson; Rajeswari Pichika; Koichi Masuda
Differential effects of fibronectin fragment on proteoglycan metabolism by intervertebral disc cells: a comparison with articular chondrocytes.
Spine 2005;30(7):722-8.
2005: Howard S An; Kenji Takegami; Hiroshi Kamada; Cahn M Nguyen; Eugene Thonar; Kern Singh; Gunnar B J Andersson; Koichi Masuda
Intradiscal administration of osteogenic protein-1 increases intervertebral disc height and proteoglycan content in the nucleus pulposus in normal adolescent rabbits.
Spine 2005;30(1):25-31; discussion 31-2.
2005: Koichi Masuda; Yoichi Aota; Carol Muehleman; Yoshiyuki Imai; Masahiko Okuma; Eugene Thonar; Gunnar B J Andersson; Howard S An
A novel rabbit model of mild, reproducible disc degeneration by an anulus needle puncture: correlation between the degree of disc injury and radiological and histological appearances of disc degeneration.
Spine 2005;30(1):5-14.
2004: Koichi Masuda; Theodore R Oegema; Howard S An
Growth factors and treatment of intervertebral disc degeneration.
Spine 2004;29(23):2757-69.
2004: Koichi Masuda; Howard S An
Growth factors and the intervertebral disc.
The spine journal : official journal of the North American Spine Society 2004;4(6 Suppl):330S-340S.
2004: Koichi Masuda
[Tissue engineered cartilage for biological repair of cartilage defects].
Clinical calcium 2004;14(7):79-84.
2004: Yejia Zhang; Howard S An; Shiwen Song; Marc Toofanfard; Koichi Masuda; Gunnar B J Andersson; Eugene Thonar
Growth factor osteogenic protein-1: differing effects on cells from three distinct zones in the bovine intervertebral disc.
American journal of physical medicine & rehabilitation / Association of Academic Physiatrists 2004;83(7):515-21.
2003: Koichi Masuda; Kenji Takegami; H An; F Kumano; K Chiba; Gunnar B J Andersson; Thomas M Schmid; Eugene Thonar
Recombinant osteogenic protein-1 upregulates extracellular matrix metabolism by rabbit annulus fibrosus and nucleus pulposus cells cultured in alginate beads.
Journal of orthopaedic research : official publication of the Orthopaedic Research Society 2003;21(5):922-30.
2003: Howard S An; Eugene Thonar; Koichi Masuda
Biological repair of intervertebral disc.
Spine 2003;28(15 Suppl):S86-92.
2003: Koichi Masuda; Robert Sah; Michael J Hejna; Eugene Thonar
A novel two-step method for the formation of tissue-engineered cartilage by mature bovine chondrocytes: the alginate-recovered-chondrocyte (ARC) method.
Journal of orthopaedic research : official publication of the Orthopaedic Research Society 2003;21(1):139-48.
2002: Hiroshi Kamada; Koichi Masuda; Aloma L D'Souza; Mary Ellen Lenz; Daniel Pietryla; Lori Otten; Eugene Thonar
Age-related differences in the accumulation and size of hyaluronan in alginate culture.
Archives of biochemistry and biophysics 2002;408(2):192-9.
2002: Eugene Thonar; H An; Koichi Masuda
Compartmentalization of the matrix formed by nucleus pulposus and annulus fibrosus cells in alginate gel.
Biochemical Society transactions 2002;30(Pt 6):874-8.
2002: Gabriella Cs-Szabo; Deborah Ragasa-San Juan; Vani Turumella; Koichi Masuda; Eugene Thonar; Howard S An
Changes in mRNA and protein levels of proteoglycans of the anulus fibrosus and nucleus pulposus during intervertebral disc degeneration.
Spine 2002;27(20):2212-9.
2002: Kenji Takegami; Eugene Thonar; Howard S An; Hiroshi Kamada; Koichi Masuda
Osteogenic protein-1 enhances matrix replenishment by intervertebral disc cells previously exposed to interleukin-1.
Spine 2002;27(12):1318-25.
2000: Aloma L D'Souza; Koichi Masuda; Lori Otten; Yoshihiro Nishida; Warren Knudson; Eugene Thonar
Differential effects of interleukin-1 on hyaluronan and proteoglycan metabolism in two compartments of the matrix formed by articular chondrocytes maintained in alginate.
Archives of biochemistry and biophysics 2000;374(1):59-65.
1998: K Chiba; Gunnar B J Andersson; Koichi Masuda; Shigeki Momohara; J M Williams; Eugene Thonar
A new culture system to study the metabolism of the intervertebral disc in vitro.
Spine 1998;23(17):1821-7; discussion 1828.