@article{StetterLopezCaperuchipiHoppKraemeretal.2021,
  author    = {Stetter, Christian and Lopez-Caperuchipi, Simon and Hopp-Kr{\"a}mer, Sarah and Bieber, Michael and Kleinschnitz, Christoph and Sir{\´e}n, Anna-Leena and Albert-Weißenberger, Christiane},
  title     = {Amelioration of cognitive and behavioral deficits after traumatic brain injury in coagulation factor XII deficient mice},
  series = {International Journal of Molecular Sciences},
  volume    = {22},
  journal   = {International Journal of Molecular Sciences},
  number    = {9},
  issn      = {1422-0067},
  doi       = {10.3390/ijms22094855},
  url       = {http://nbn-resolving.de/urn:nbn:de:bvb:20-opus-284959},
  year      = {2021},
  abstract  = {Based on recent findings that show that depletion of factor XII (FXII) leads to better posttraumatic neurological recovery, we studied the effect of FXII-deficiency on post-traumatic cognitive and behavioral outcomes in female and male mice. In agreement with our previous findings, neurological deficits on day 7 after weight-drop traumatic brain injury (TBI) were significantly reduced in FXII\(^{-/-}\) mice compared to wild type (WT) mice. Also, glycoprotein Ib (GPIb)-positive platelet aggregates were more frequent in brain microvasculature of WT than FXII\(^{-/-}\) mice 3 months after TBI. Six weeks after TBI, memory for novel object was significantly reduced in both female and male WT but not in FXII\(^{-/-}\) mice compared to sham-operated mice. In the setting of automated home-cage monitoring of socially housed mice in IntelliCages, female WT mice but not FXII\(^{-/-}\) mice showed decreased exploration and reacted negatively to reward extinction one month after TBI. Since neuroendocrine stress after TBI might contribute to trauma-induced cognitive dysfunction and negative emotional contrast reactions, we measured peripheral corticosterone levels and the ration of heart, lung, and spleen weight to bodyweight. Three months after TBI, plasma corticosterone levels were significantly suppressed in both female and male WT but not in FXII\(^{-/-}\) mice, while the relative heart weight increased in males but not in females of both phenotypes when compared to sham-operated mice. Our results indicate that FXII deficiency is associated with efficient post-traumatic behavioral and neuroendocrine recovery.},
  language  = {en}
}
@article{RaslanAlbertWeissenbergerWestermaieretal.2012,
  author    = {Raslan, Furat and Albert-Weißenberger, Christiane and Westermaier, Thomas and Saker, Saker and Kleinschmitz, Christoph and Lee, Jin-Yul},
  title     = {A modified double injection model of cisterna magna for the study of delayed cerebral vasospasm following subarachnoid hemorrhage in rats},
  url       = {http://nbn-resolving.de/urn:nbn:de:bvb:20-opus-76038},
  year      = {2012},
  abstract  = {Delayed cerebral vasospasm following subarachnoid hemorrhage (SAH) is a serious medical complication, characterized by constriction of cerebral arteries leading to varying degrees of cerebral ischemia. Numerous clinical and experimental studies have been performed in the last decades; however, the pathophysiologic mechanism of cerebral vasospasm after SAH still remains unclear. Among a variety of experimental SAH models, the double hemorrhage rat model involving direct injection of autologous arterial blood into the cisterna magna has been used most frequently for the study of delayed cerebral vasospasm following SAH in last years. Despite the simplicity of the technique, the second blood injection into the cisterna magna may result in brainstem injury leading to high mortality. Therefore, a modified double hemorrhage model of cisterna magna has been developed in rat recently. We describe here step by step the surgical technique to induce double SAH and compare the degree of vasospasm with other cisterna magna rat models using histological assessment of the diameter and cross-sectional area of the basilar artery},
  subject      = {Medizin},
  language  = {en}
}
@article{AlbertWeissenbergerVarrallyayRaslanetal.2012,
  author    = {Albert-Weißenberger, Christiane and V{\´a}rrallyay, Csan{\´a}d and Raslan, Furat and Kleinschnitz, Christoph and Sir{\´e}n, Anna-Leena},
  title     = {An experimental protocol for mimicking pathomechanisms of traumatic brain injury in mice},
  url       = {http://nbn-resolving.de/urn:nbn:de:bvb:20-opus-75368},
  year      = {2012},
  abstract  = {Traumatic brain injury (TBI) is a result of an outside force causing immediate mechanical disruption of brain tissue and delayed pathogenic events. In order to examine injury processes associated with TBI, a number of rodent models to induce brain trauma have been described. However, none of these models covers the entire spectrum of events that might occur in TBI. Here we provide a thorough methodological description of a straightforward closed head weight drop mouse model to assess brain injuries close to the clinical conditions of human TBI.},
  subject      = {Medizin},
  language  = {en}
}