Kenji Kawamura

ORCID: 0000-0001-9743-7898
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About
Contact & Profiles
Research Areas
  • Orthopedic Surgery and Rehabilitation
  • Elbow and Forearm Trauma Treatment
  • Reconstructive Surgery and Microvascular Techniques
  • Microbial Natural Products and Biosynthesis
  • Bone fractures and treatments
  • Orthopedic Infections and Treatments
  • Orthopaedic implants and arthroplasty
  • Shoulder Injury and Treatment
  • Total Knee Arthroplasty Outcomes
  • Cancer therapeutics and mechanisms
  • Trauma Management and Diagnosis
  • Shoulder and Clavicle Injuries
  • Reconstructive Facial Surgery Techniques
  • Peripheral Nerve Disorders
  • Spinal Fractures and Fixation Techniques
  • Antibiotic Resistance in Bacteria
  • Tendon Structure and Treatment
  • Nerve Injury and Rehabilitation
  • Sarcoma Diagnosis and Treatment
  • Bone Tumor Diagnosis and Treatments
  • Neuroblastoma Research and Treatments
  • Growth Hormone and Insulin-like Growth Factors
  • Congenital limb and hand anomalies
  • Medical Malpractice and Liability Issues
  • Urological Disorders and Treatments

Nara Medical University
2016-2025

Nara Medical University Hospital
2007-2024

Kawamura Hospital
2021-2023

Hitachi (Japan)
2010-2017

Kibi International University
2016

Fukui-ken Saiseikai Hospital
2015

Nara City Hospital
2012-2014

Keiju Medical Center
2010-2011

Ibaraki University
2010-2011

Eiju General Hospital
2010

Autologous mesenchymal stem cells (MSCs) cultured with beta-tricalcium phosphate (beta-TCP) ceramics and a free vascularized fibula were transplanted into three patients steroid-induced osteonecrosis of the femoral head. The average follow-up period was 34 months patient age at time surgery 28 years old. Fifteen milliliters bone marrow obtained from 4 weeks before surgery, used for in vitro proliferation MSCs. beta-TCP granules immersed MSC suspension further 2 weeks. Cultured MSCs/beta-TCP...

10.1111/j.1525-1594.2006.00333.x article EN Artificial Organs 2006-12-01

It is well known that bone marrow contains mesenchymal stromal cells (MSCs), which can show osteoblastic differentiation when cultured in osteogenic medium containing ascorbic acid, beta-glycerophosphate and dexamethasone. The results the appearance of osteoblasts, together with formation matrix; thus, vitro (osteoblasts/bone matrix) could be fabricated by MSC culture. This type has already been used clinical cases involving orthopaedic problems. To improve therapeutic effect bone, we...

10.1002/term.41 article EN Journal of Tissue Engineering and Regenerative Medicine 2007-01-01

Tunicamycin (I) is a nucleoside antibiotic complex, produced by Streptomyces lysosu perficus.1)In the preceding communication,2) structure of its degradation product, tunicaminyl uracil (II), was reported.This paper deals with isolation other degrada tion products and gross tunicamycin.Tunicamycin hydrolyzed 3 N hydrochloric acid at reflux for hr hydrolyzate extracted ethyl ether.Concentration ether extract gave mixture fatty acids (III).IR ƒËliquidmax cm-1

10.1271/bbb1961.41.2307 article EN Agricultural and Biological Chemistry 1977-01-01

<b>Background</b> The purpose of this article was to review the anatomy, kinematics distal radioulnar joint (DRUJ), and discuss definition, classification, diagnosis DRUJ instability. <b>Methods</b> A biomechanical perspective on physical examination ballottement test documented. Physiological dynamic translation differences following sequential ligament sectioning changes in different forearm wrist positions were demonstrated. clinical significance each ligament's contribution stability...

10.1055/s-0037-1601367 article EN Journal of Wrist Surgery 2017-03-22

Werner syndrome is a rare autosomal recessive disorder caused by WRN gene mutations, leading to premature aging and genomic instability. Clinical symptoms include diabetes, skin lesions, microvascular issues, with patients frequently developing difficult-to-heal ulcers on the distal legs, feet, elbows. Surgical treatments, such as flap surgery, are rarely reported. We present case of 45-year-old male who developed refractory both Despite conservative persisted, successful radial forearm...

10.1080/23320885.2025.2463321 article EN Case Reports in Plastic Surgery and Hand Surgery 2025-02-08

Purpose: Targeted muscle reinnervation (TMR) is a new technique for treating symptomatic neuroma, in which sensory nerve after resection of painful neuroma coapted to an expendable motor nerve. There has been little information about optimal nerves TMR the vulnerable upper extremity. Methods: Fourteen extremities fresh-frozen cadavers were dissected describe anatomical course nerves, included superficial radial nerve, dorsal branch ulnar and medial lateral antebrachial cutaneous nerves. The...

10.2340/jphs.v60.42655 article EN cc-by Journal of Plastic Surgery and Hand Surgery 2025-02-13

10 This fact may be interpreted by the assumption that TM (except VI) has a conformation in which CH3 group of N-acetylglucosamine is near to C=C bond unsaturated fatty acid residue.

10.1271/bbb1961.44.695 article EN Agricultural and Biological Chemistry 1980-01-01

The present study aimed to determine the indications for free vascularized fibular grafting treatment of osteonecrosis femoral head.Seventy-one hips (60 patients) were clinically followed a minimum 3 years. Average follow-up period was 7 Etiologies alcohol abuse in 31 hips, steroid use 27, idiopathic and trauma 6. Preoperative staging necrotic lesion done using Steinberg's classification system. outcomes determined Harris hip-scoring system, radiographically by determining progression,...

10.1186/1471-2474-8-78 article EN cc-by BMC Musculoskeletal Disorders 2007-08-08

Journal Article The Structure of Tunicamycin Get access Akira Takatsuki, Takatsuki Department Agricultural Chemistry, University Tokyo, Bunkyo-ku, Japan Search for other works by this author on: Oxford Academic Google Scholar Kenji Kawamura, Kawamura Pharmaceutical Product Development Laboratories, Meiji Seika Kaisha Ltd., Horikawa, Saiwai, Kawasaki Masao Okina, Okina Yoshio Kodama, Kodama Central Research Morooka, Kohoku-ku, Yokohama, Teiichiro Ito, Ito Gakuzo Tamura and Biological Volume...

10.1080/00021369.1977.10862856 article EN Agricultural and Biological Chemistry 1977-11-01

In this work, the crystal structure of β-trypsin–bovine pancreatic trypsin inhibitor (BPTI) complex was refined and D H atoms in were identified using data from both 1.6 Å resolution X-ray diffraction 2.15 neutron diffraction. After crystallization an H2O solution, sample soaked a D2O solution for about two weeks. The protonation states catalytic triad (Asp102, His57 Ser195) observed. These results confirmed that nucleophilic reactivity hydroxyl group Ser195 increased by forming hydrogen...

10.1107/s0907444910053382 article EN Acta Crystallographica Section D Biological Crystallography 2011-01-14

Abstract Bone marrow metastases (BM mets) of neuroblastoma were analyzed by magnetic resonance imaging (MRI). BM mets demonstrated in 45 femurs 23 patients with MRI. They classified into two patterns, nodular (N) type and diffuse (D) type, on MRI, an incidence 16% (7/45) 84% (38/45), respectively. No bone (B accompanied N mets, whereas all them D mets. The rate disappearance after chemotherapy was 100% (7/7) significantly higher than that (26%, 10/38) (58%, 11/19) bones without associated B...

10.1002/mpo.2950240505 article EN Medical and Pediatric Oncology 1995-05-01

Clinical applications of two free lateral leg perforator flaps are described: a soleus flap that is based on the musculocutaneous vessels from one three main arteries in proximal lower leg, and peroneal septocutaneous or direct skin artery distal middle thirds leg. The authors applied to 18 patients five with soft-tissue defects. recipient site was great toe 14 patients, hand fingers upper arm jaw patient each. largest 15 x 9 cm, 4 cm. Vascular pedicle lengths ranged 6.5 10 cm 6 flaps. All...

10.1097/01.prs.0000138810.14520.2b article EN Plastic & Reconstructive Surgery 2005-01-01
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