2025:
-Parks, R. R., Andersen, M. J., Hatfield, M. L., & Burgraff, N. J. (2025). Fentanyl Disrupts Vagal Control of Airway Tone to Induce Transient Obstruction. Acta Physiologica, 241(11), e70119.
-Wei, A.D.*, Burgraff, N.J.*, Oliveira, L.M., Moreira, T.S. and Ramirez, J.-M. (2025), Fentanyl blockade of K+ channels contributes to wooden chest syndrome. J Physiol. https://doi.org/10.1113/JP289107
-Wei, A. D.*, Burgraff, N. J.*, Oliveira, L. M., Moreira, T. S., & Ramirez, J. M. (2025). Fentanyl blockade of K+ channels contribute to Wooden Chest Syndrome. bioRxiv.
-Moreira, T. S., Burgraff, N. J., Takakura, A. C., Oliveira, L. M., de Araujo, E. V., Guan, S., & Ramirez, J. M. (2025). Functional modulation of retrotrapezoid neurons drives fentanyl-induced respiratory depression. American Journal of Physiology-Lung Cellular and Molecular Physiology, 329(3), L357-L375.
–Burgraff, N. J., & Ramirez, J. M. (2025). Substance P in the central control of respiration. In Substance P (pp. 229-251). Academic Press.
2024:
-Burgraff, N.J. (2024). The Complexity of Fentanyl’s Impact on Brain and Peripheral Oxygenation. Journal of Neurophysiology.
-Moreira, T. S., Burgraff, N. J., Shimoda, L. A., Takakura, A. C., & Ramirez, J. M. (2024). Cross-journal Call for Papers on “Opioids and Respiratory Depression”. American Journal of Physiology-Lung Cellular and Molecular Physiology, 326(6), L808-L811.
-Burgraff, N. J. (2024). Keeping breathing in balance through hormonal modulation in respiratory control. Acta Physiologica, 240(4), e14094.
-Bhagavan, H., Burgraff, N. J., & Ramirez, J. M. (2024). Temporal Dynamics and Therapeutic Implications of Phrenic Long-Term Facilitation in Respiratory Control. Function, 5(1), zqad068.
2023:
-Grams, K. J., Neumueller, S. E., Mouradian Jr, G. C., Burgraff, N. J., Hodges, M. R., Pan, L., & Forster, H. V. (2023). Mild and moderate chronic hypercapnia elicit distinct transcriptomic responses of immune function in cardiorespiratory nuclei. Physiological Genomics, 55(11), 487-503.
–Burgraff, N. J., Baertsch, N. A., & Ramirez, J. M. (2023). A comparative examination of morphine and fentanyl: unravelling the differential impacts on breathing and airway stability. The Journal of Physiology.
-Severs, L. J., Bush, N. E., Quina, L. A., Hidalgo-Andrade, S., Burgraff, N. J., Dashevskiy, T., … & Ramirez, J. M. (2023). Purinergic signaling mediates neuroglial interactions to modulate sighs. Nature Communications, 14(1), 5300.
-Grams, K. J., Neumueller, S. E., Mouradian Jr, G. C., Burgraff, N. J., Hodges, M. R., Pan, L., & Forster, H. V. (2023). Mild and Moderate Chronic Hypercapnia Elicit Distinct Transcriptomic Responses of Immune Function in Cardiorespiratory Nuclei. Physiological Genomics.
-Ramirez, J. M., Carroll, M. S., Burgraff, N., Rand, C. M., & Weese-Mayer, D. E. (2023). A narrative review of the mechanisms and consequences of intermittent hypoxia and the role of advanced analytic techniques in pediatric autonomic disorders. Clinical Autonomic Research, 1-14.
-Buchholz, K. J., Neumueller, S. E., Burgraff, N. J., Hodges, M. R., Pan, L., & Forster, H. V. (2023). Mild and Moderate Chronic Hypercapnia Elicit Distinct Transcriptomic Responses of Immune Function in Cardiorespiratory Nuclei. Physiologic Genomics
2022:
-Buchholz, K. J., Neumueller, S. E., Burgraff, N. J., Hodges, M. R., Pan, L., & Forster, H. V. (2022). Chronic moderate hypercapnia suppresses ventilatory responses to acute CO2 challenges. Journal of Applied Physiology, 133(5), 1106-1118.
–Burgraff, N. J., Phillips, R. S., Severs, L. J., Bush, N. E., Baertsch, N. A., & Ramirez, J. M. (2022). Inspiratory rhythm generation is stabilized by Ih. Journal of neurophysiology, 128(1), 181-196.
-Ramirez, J. M., Karlen-Amarante, M., Huff, A., Burgraff, N. (2022). Breathing disturbances in Rett syndrome. In Handbook of Clinical Neurology (Vol. 189, pp. 139-151). Elsevier.
2021:
-Burgraff, N. J., Bush, N. E., Ramirez, J. M., & Baertsch, N. A. (2021). Dynamic Rhythmogenic Network States Drive Differential Opioid Responses in the In Vitro Respiratory Network. Journal of Neuroscience, 41(48), 9919-9931.
-Baertsch NA, Bush NE, Burgraff NJ, Ramirez JM. Dual mechanisms of opioid-induced respiratory depression in the inspiratory rhythm-generating network. Elife. 2021 Aug 17;10:e67523. doi: 10.7554/eLife.67523. PMID: 34402425; PMCID: PMC8390004.
-Ramirez, J. M. & Burgraff, N. J., Wei, A. D., Baertsch, N. A., Varga, A. G., Baghdoyan, H. A., … & Levitt, E. S. (2021). Neuronal mechanisms underlying opioid-induced respiratory depression: our current understanding. Journal of Neurophysiology, 125(5), 1899-1919.
-Buchholz, K. J., Burgraff, N. J., Neumueller, S. E., Hodges, M. R., Pan, L. G., & Forster, H. V. (2021). Physiological and neurochemical adaptations following abrupt termination of chronic hypercapnia in goats. Journal of Applied Physiology, 130(4), 1259-1273.
-Ramirez, J. M., Severs, L., Bush, N., Quina, L., Burgraff, N., Dashevskiy, T., & Baertsch, N. (2021). Purinergic signaling mediates neuroglial interactions to generate sighs.
–Burgraff, N. J., Baertsch, N. A., & Ramirez, J. M. (2021). Peptides, Breathing, and Sudden Infant Death Syndrome. Trends in Neurosciences, 44(3), 167-169.
2019:
–Burgraff, N. J., Neumueller, S. E., Buchholz, K. J., LeClaire, J., Hodges, M. R., Pan, L., & Forster, H. V. (2019). Brainstem serotonergic, catecholaminergic, and inflammatory adaptations during chronic hypercapnia in goats. The FASEB Journal, 33(12), 14491-14505.
–Burgraff, N. J., Neumueller, S. E., Buchholz, K. J., Hodges, M. R., Pan, L., & Forster, H. V. (2019). Midbrain and cerebral inflammatory and glutamatergic adaptations during chronic hypercapnia in goats. Brain research, 146437.
–Burgraff, N. J., Neumueller, S. E., Buchholz, K. J., Hodges, M. R., Pan, L., & Forster, H. V. (2019). Glutamate receptor plasticity in brainstem respiratory nuclei following chronic hypercapnia in goats. Physiological reports, 7(8), e14035.
2018:
–Burgraff NJ, Neumueller SE, Buchholz K, Langer TM, Hodges MR, Pan L, Forster HV. Ventilatory and integrated physiological responses to chronic hypercapnia in goats. J. Physiol. 2018. https://doi.org/10.1113/JP276666
2017
-Langer III, T.M., Neumueller, S.E., Crumley, E., Burgraff, N.J., Talwar, S., Hodges, M.R., Pan, L. and Forster, H.V., 2017. Effects on breathing of agonists to μ-opioid or GABAA receptors dialyzed into the ventral respiratory column of awake and sleeping goats. Respiratory physiology & neurobiology, 239, pp.10-25.
-Langer III, T.M., Neumueller, S.E., Crumley, E., Burgraff, N.J., Talwar, S., Hodges, M.R., Pan, L. and Forster, H.V., 2017. Ventilation and neurochemical changes during µ-opioid receptor activation or blockade of excitatory receptors in the hypoglossal motor nucleus of goats. Journal of Applied Physiology, 123(6), pp.1532-1544.
2016:
-Langer III, T. M., Neumueller, S. E., Crumley, E., Burgraff, N. J., Talwar, S., Hodges, M. R., Pan, L., Forster, H. V. (2016). State-dependent and-independent effects of dialyzing excitatory neuromodulator receptor antagonists into the ventral respiratory column. Journal of Applied Physiology, 122(2), 327-338.