Inhaltspezifische Aktionen

Publikationen Prof. Dr. El Khassawna

2018/2017

2018/2017

  • Ray S, Thormann U, Eichelroth M, Budak M, Biehl C, Rupp M, Sommer U, El Khassawna T, Alagboso F.I, Kampschulte M, Rohnke M, Henß A, Peppler K, Linke V, Quadbeck P, Voigt A, Stenger F, Karl D, Schnettler R, Heiss C, Lips K.S, Alt V. Strontium and bisphosphonate coated iron foam scaffolds for osteoporotic fracture defect healing, Biomaterials 2018.
  • Al Khasawnah Q, Hassan F, Malhan M, Engelhardt M, Daghma D.S, Obidat D, Lips KS, El Khassawna T, Heiss C. Non-Surgical Clinical Management of Periapical Lesions Using Calcium Hydroxide-Iodoform-Silicon-oil Paste. BioMed Res Int. 2017.
  • Schulze F, Malhan D, El Khassawna T, Heiss C, Seckinger A, Hose D, Rösen-Wolff A. A tissue-based approach to selection of reference genes for quantitative real-time PCR in a sheep osteoporosis model. BMC Genomics. 2017.
  • Heiss C, Kern S, Malhan D, Böcker W, Engelhardt M, Daghma DES, Stoetzel S, Schmitt J, Ivo M, Kauschke V, Lips KS, Tushtev K, Rezwan K, El Khassawna T. A New Clinically Relevant T-Score Standard to Interpret Bone Status in a Sheep Model. Med Sci Monit Basic Res 2017. [OA]
  • Schumacher TC, Tushtev K, Wagner U, Becker C, Große Holthaus M, Hein SB, Haack J, Heiss C, Engelhardt M, El Khassawna T, Rezwan K. A novel, hydroxyapatite-based screw-like device for anterior cruciate ligament (ACL) reconstructions. The Knee 2017. [OA]
  • El Khassawna T, Merboth F, Bocker W, Malhan D, Daghma DS, Stözel S, Kern S, Hassan F, Rosenbaum D, Langenstein J, Bauer N, Schlagenhauf A, Rösen-wolff A, Schulze F, Rupp M, Hose D, Secklinger A, Ignatius A, Wilke HJ, S. LK, Heiss C. Osteocytes regulation of Receptor Activator of NF- κB Ligang/Osteoprotegerin in a Sheep Model of Osteoporosis. Am J Pathol. 2017.
  • Daghma DES, Malhan D, Simon P, Stötzel S, Kern S, Hassan F, Lips KS, Heiss C, El Khassawna T. Computational segmentation of collagen fibers in bone matrix indicates bone quality in ovariectomized rat spine. J Bone Miner Metab. 2017.
  • El Khassawna T, Serra A, Bucher CH, Petersen A, Schlundt C, Könnecke I, Malhan D, Wendler S, Schell H, Volk H-D, Schmidt-Bleek K, Duda GN: T Lymphocytes Influence the Mineralization Process of Bone. Front Immunol 2017, 8. [OA]
  • El Khassawna T, Daghma DES, Stoetzel S, Ray S, Kern S, Malhan D, Alt V, Thromann U, Henß A, Rohnke M, Stengel A, Hassan F, Maenz S, Jandt KD, Diefenbeck M, Schumacher M, Gelinsky M, Lips KS, Heiss C. Postembedding Decalcification of Mineralized Tissue Sections Preserves the Integrity of Implanted Biomaterials and Minimizes Number of Experimental Animals. BioMed Res Int. 2017. [OA]

2016/2015

2016/2015

  • Kampschulte M, Krombach GA, Richards DC, Sender J, Lips KS, Thormann U, El Khassawna T, Ray S, Alt V, Langheinrich AC. Neovascularization of osteoporotic metaphyseal bone defects: A morphometric micro-CT study. Microvasc Res. 2016. [OA]
  • Ray S, Thormann U, Sommer U, El Khassawna T, Hundgeburth M, Henß A, Rohnke M, Lips KS, Heiss C, Heinemann S, Hanke T, Dürselen L, Schnettler R, Alt V. Effects of macroporous, strontium loaded xerogel-scaffolds on new bone formation in critical-size metaphyseal fracture defects in ovariectomized rats. Injury. 2016. [OA]
  • Ray S, Khassawna TE, Sommer U, Thormann U, Wijekoon ND, Lips K, Heiss C,Alt V. Differences in expression of Wnt antagonist Dkk1 in healthy versus pathological bone samples. J Microsc. 2016
  • El Khassawna T, Bocker W, Brodsky K, Weisweiler D, Govindarajan P, Kampschulte M, Thormann U, Henss A, Rohnke M, Bauer N, Muller R, Deutsch A, Ignatius A, Durselen L, Langheinrich A, Lips KS, Schnettler R, Heiss C. Impaired extracellular matrix structure resulting from malnutrition in ovariectomized mature rats. Histochem Cell Biol. 2015

  • Schlundt C*, El Khassawna T*, Serra A, Dienelt A, Wendler S, Schell H, van Rooijen N, Radbruch A, Lucius R, Hartmann S, Duda GN, Schmidt-Bleek K. Macrophages in bone fracture healing: Their essential role in endochondral ossification. Bone. 2015. (Equal contribution) [OA]

  • Bauer NB, El Khassawna T, Goldmann F, Stirn M, Ledieu D, Schlewitz G, Govindarajan P, Zahner D, Weisweiler D, Schliefke N, Böcker W, Schnettler R, Heiss C, Moritz A. Characterization of bone turnover and energy metabolism in a rat model of primary and secondary osteoporosis. Exp Toxicol Pathol. 2015. [OA]

  • Kampschulte M, Erdmann G, Sender J, Martels G, Böcker W, El Khassawna T, Heiss C, Langheinrich AC, Roeb E, Roderfeld M. The development and validation of micro‐CT of large deep frozen specimens. Scanning. 2015. [OA]

2014/2013

2014/2013

  • Bocker W, El Khassawna T, Bauer N, Brodsky K, Weisweiler D, Govindarajan P, Schlewitz G, Kampschulte M, Durselen L, Thormann U, Szalay G, Schnettler R, Langheinrich AC, Heiss C. Short-term glucocorticoid treatment causes spinal osteoporosis in ovariectomized rats. Eur Spine J. 2014. [OA]
  • Konnecke I, Serra A, El Khassawna T, Schlundt C, Schell H, Hauser A, Ellinghaus A, Volk HD, Radbruch A, Duda GN, Schmidt-Bleek K. T and B cells participate in bone repair by infiltrating the fracture callus in a two-wave fashion. Bone. 2014. [OA]
  • Müller R, Kampschulte M, El Khassawna T, Schlewitz G, Hürter B, Böcker W, Bobeth M, Langheinrich AC, Heiss C, Deutsch A. Change of mechanical vertebrae properties due to progressive osteoporosis: combined biomechanical and finite-element analysis within a rat model. Med Biol Eng Comput. 2014.
  • Thormann U*, El Khassawna T*, Ray S, Duerselen L, Kampschulte M, Lips K, von Dewitz H, Heinemann S, Heiss C, Szalay G. Differences of bone healing in metaphyseal defect fractures between osteoporotic and physiological bone in rats. Injury. 2014. (Equal contribution) [OA]
  • Govindarajan P, Böcker W, El Khassawna T, Kampschulte M, Schlewitz G, Huerter B, Sommer U, Dürselen L, Ignatius A, Bauer N, Szalay G, Wenisch S, Lips KS, Schnettler R, Langheinrich A, Heiss C. Bone matrix, cellularity, and structural changes in a rat model with high-turnover osteoporosis induced by combined ovariectomy and a multiple-deficient diet. Am J Pathol. 2014.
  • Kühnisch J, Seto J, Lange C, Schrof S, Stumpp S, Kobus K, Grohmann J, Kossler N, Varga P, Osswald M, Emmerich D, Tinschert S, Thielemann F, Duda G, Seifert W, El Khassawna T, Stevenson DA, Elefteriou F, Kornak U, Raum K, Fratzl P, Mundlos S, Kolanczyk M. Multiscale, converging defects of macro-porosity, microstructure and matrix mineralization impact long bone fragility in NF1. PLoS One. 2014. [OA]
  • Govindarajan P, Khassawna T, Kampschulte M, Bocker W, Huerter B, Durselen L, Faulenbach M, Heiss C. Implications of combined ovariectomy and glucocorticoid (dexamethasone) treatment on mineral, microarchitectural, biomechanical and matrix properties of rat bone. Int J Exp Path. 2013.
  • Henss A, Rohnke M, Knaack S, Kleine-Boymann M, Leichtweiss T, Schmitz P, El Khassawna T, Gelinsky M, Heiss C, Janek J. Quantification of calcium content in bone by using ToF-SIMS-a first approach. Biointerphases. 2013.
  • Thormann U, Ray S, Sommer U, El Khassawna T, Rehling T, Hundgeburth M, Henß A, Rohnke M, Janek J, Lips KS. Bone formation induced by strontium modified calcium phosphate cement in critical-size metaphyseal fracture defects in ovariectomized rats. Biomaterials. 2013. [OA]
  • Thormann U, Ray S, Sommer U, El Khassawna T, Heiss C, Schnettler R, Alt V. Biomaterials for enhancement of bone healing in osteoporotic fractures. BioNanoMaterials. 2013.
  • El Khassawna T, Bocker W, Govindarajan P, Schliefke N, Hurter B, Kampschulte M, Schlewitz G, Alt V, Lips KS, Faulenbach M, Mollmann H, Zahner D, Durselen L, Ignatius A, Bauer N, Wenisch S, Langheinrich AC, Schnettler R, Heiss C. Effects of multi-deficiencies-diet on bone parameters of peripheral bone in ovariectomized mature rat. PLoS One. 2013. [OA]
  • Henss A, Rohnke M, El Khassawna T, Govindarajan P, Schlewitz G, Heiss C, Janek J. Applicability of ToF-SIMS for monitoring compositional changes in bone in a long-term animal model. J R Soc Interface. 2013. [OA]
  • Alt V, Thormann U, Ray S, Zahner D, Durselen L, Lips K, El Khassawna T, Heiss C, Riedrich A, Schlewitz G, Ignatius A, Kampschulte M, von Dewitz H, Heinemann S, Schnettler R, Langheinrich A. A new metaphyseal bone defect model in osteoporotic rats to study biomaterials for the enhancement of bone healing in osteoporotic fractures. Acta Biomater. 2013. [OA]
  • Schlewitz G, Govindarajan P, Schliefke N, Alt V, Böcker W, El Khassawna T, Thormann U, Lips KS, Hemdan NY, Zahner D, Schnettler R, Heiss C. Ovarektomie und Kalzium-/Vitamin D2/D3-arme Diät als Osteoporosemodell an der Wirbelsäule von Sprague-Dawley-Ratten. Zeitschrift fur Orthopadie und Unfallchirurgie. 2013;151:14–9.

2012/2011

2012/2011

  • El Khassawna T, Toben D, Kolanczyk M, Schmidt-Bleek K, Koennecke I, Schell H, Mundlos S, Duda GN. Deterioration of fracture healing in the mouse model of NF1 long bone dysplasia. Bone. 2012. [OA]
  • Toben D, Schroeder I, El Khassawna T, Mehta M, Hoffmann JE, Frisch JT, Schell H, Lienau J, Serra A, Radbruch A, Duda GN. Fracture healing is accelerated in the absence of the adaptive immune system. J Bone Miner Res. 2011.