Xingbin Ai, PhD

Adjunct Assistant Professor, Medicine

Xingbin Ai
72 E. Concord St Housman (R)


Expertise and interests include:

Environmental signals play crucial roles in self-renewal of stem cells, tissue regeneration and aging. Ai lab investigates heparan sulfate-dependent mechanisms that regulate extracellular signaling during stem cell maintenance and regeneration of the skeletal muscle. Our study is focused on two heparan sulfate-modifying enzymes called Sulfs.

The respiratory tract is known to be innervated by two groups of neurons. The intrinsic neurons have cell bodies located within the tissue, while the extrinsic neurons have their cell bodies located in the central and peripheral nervous system and their axons innervating airway smooth muscle and neuroendocrine cells. Ai lab investigates neurotrophic signals that regulate neurogenesis in developing lung and neuroplasticity in pulmonary diseases. Our goal is to understand physiological roles of neural innervation in respiratory function, diseases and regeneration.

Airway smooth muscle hyperplasia and hyper-reactivity are key features of asthma. Ai lab, in collaboration with Dr. Alan Fine’s lab, investigates mechanisms underlying the formation and remodeling of airway smooth muscle. We are particularly interested in the sonic hedgehog pathway in control of airway smooth muscle development.

Other Positions

  • Member, Evans Center for Interdisciplinary Biomedical Research, Boston University



  • Case Western Reserve University, PhD
  • Fudan University, BS


  • Published on 1/1/2024

    Bankoti K, Wang W, Amonkar GM, Xiong L, Shui JE, Zhao C, Van E, Mwase C, Park JA, Mou H, Fang Y, Que J, Bai Y, Lerou PH, Ai X. Airway Basal Stem Cells in COVID-19 Exhibit a Proinflammatory Signature and Impaired Mucocililary Differentiation. Am J Respir Cell Mol Biol. 2024 Jan; 70(1):26-38. PMID: 37699145.

    Read at: PubMed
  • Published on 11/1/2023

    Dylong F, Riedel J, Amonkar GM, Peukert N, Lieckfeldt P, Sturm K, Höxter B, Tse WH, Miyake Y, Moormann M, Bode LM, Mayer S, Keijzer R, Lacher M, Ai X, Gosemann JH, Wagner R. Overactivated Epithelial NF-?B Disrupts Lung Development in Congenital Diaphragmatic Hernia. Am J Respir Cell Mol Biol. 2023 Nov; 69(5):545-555. PMID: 37552822.

    Read at: PubMed
  • Published on 9/21/2023

    Zhao C, Wang W, Bai Y, Amonkar G, Mou H, Olejnik J, Hume AJ, Mühlberger E, Fang Y, Que J, Fearns R, Ai X, Lerou PH. Age-related STAT3 signaling regulates severity of respiratory syncytial viral infection in human bronchial epithelial cells. bioRxiv. 2023 Sep 21. PMID: 37781574.

    Read at: PubMed
  • Published on 6/6/2023

    Bai Y, Li G, Yung L, Yu PB, Ai X. Intrapulmonary arterial contraction assay reveals region-specific deregulation of vasoreactivity to lung injuries. Am J Physiol Lung Cell Mol Physiol. 2023 Aug 01; 325(2):L114-L124. PMID: 37278410.

    Read at: PubMed
  • Published on 6/1/2023

    Zhang Y, Black KE, Phung TN, Thundivalappil SR, Lin T, Wang W, Xu J, Zhang C, Hariri LP, Lapey A, Li H, Lerou PH, Ai X, Que J, Park JA, Hurley BP, Mou H. Human Airway Basal Cells Undergo Reversible Squamous Differentiation and Reshape Innate Immunity. Am J Respir Cell Mol Biol. 2023 Jun; 68(6):664-678. PMID: 36753317.

    Read at: PubMed
  • Published on 2/24/2023

    Wang W, Garcia C, Shao F, Cohen JA, Bai Y, Fine A, Ai X. Lung dopaminergic nerves facilitate the establishment of TH2 resident memory cells in early life. J Allergy Clin Immunol. 2023 Aug; 152(2):386-399. PMID: 36841266.

    Read at: PubMed
  • Published on 1/3/2023

    Krishnamoorthy N, Walker KH, Brüggemann TR, Tavares LP, Smith EW, Nijmeh J, Bai Y, Ai X, Cagnina RE, Duvall MG, Lehoczky JA, Levy BD. The Maresin 1-LGR6 axis decreases respiratory syncytial virus-induced lung inflammation. Proc Natl Acad Sci U S A. 2023 Jan 10; 120(2):e2206480120. PMID: 36595677.

    Read at: PubMed
  • Published on 5/5/2022

    Bai Y, Ai X. Utilizing the Precision-Cut Lung Slice to Study the Contractile Regulation of Airway and Intrapulmonary Arterial Smooth Muscle. J Vis Exp. 2022 May 05; (183). PMID: 35604150.

    Read at: PubMed
  • Published on 11/18/2021

    Bai Y, Guedes AGP, Krishnan R, Ai X. CD38 plays an age-related role in cholinergic deregulation of airway smooth muscle contractility. J Allergy Clin Immunol. 2022 May; 149(5):1643-1654.e8. PMID: 34800431.

    Read at: PubMed
  • Published on 8/14/2021

    Wang W, Ai X. Primary culture of immature, naïve mouse CD4+ T cells. STAR Protoc. 2021 Sep 17; 2(3):100756. PMID: 34430922.

    Read at: PubMed

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