Xiaochun Bai, Ph.D.

Date: 2025-12-31 Views:


Xiaochun Bai, Ph.D.

Professor / Principal Investigator

Research interest: 

E-mail:  baixc15@smu.edu.cn


Publications

1. Wei X, Qiu J, Lai R, Wei T, Lin Z, Huang S, Jiang Y, Kuang Z, Zeng H, Gong Y, Xie X, Yang J, Zhang Y, Zhang S, Zou Z, Gao X*, Bai X*. A human organoid drug screen identifies α2-adrenergic receptor signaling as a therapeutic target for cartilage regeneration. Cell Stem Cell, 2024 Sep 27:S1934-5909(24)00315-1, online

2. Xie J, Liu X, Wu B, Chen B, Song Q, Guan Y, Gong Y, Yang C, Lin J, Huang M, Tan X, Lai R, Lin X, Zhang S, Xie X, Chen X, Zhang C, Yang M, Nong H, Zhao X, Xia L, Zhou W, Xiao G, Jiang Q, Zou W, Chen D, Lu D*, Liu J*, Bai X*. Bone transport induces the release of factors with multi-tissue regenerative potential for diabetic wound healing in rats and patients. Cell Reports Medicine, 2024 May 22;5(6):101588.

3. Liang W, Wei T, Hu L, Chen M, Tong L, Zhou W, Duan X, Zhao X, Zhou W, Jiang Q, Xiao G, Zou W, Chen D*, Zou Z*, Bai X*. An integrated multi-omics analysis reveals osteokines involved in global regulation. Cell Metabolism, 2024 May 7;36(5):1144-1163.e7.

4. Hu H, Luo S, Lai P, Lai M, Mao L, Zhang S, Jiang Y, Wen J, Zhou W, Liu X, Wang L, Huang M, Hu Y, Zhao X, Xia L, Zhou W, Jiang Y, Zou Z, Liu A*, Guo B*, Bai X*. ANGPTL4 binds to the leptin receptor to regulate ectopic bone formation. Proc Natl Acad Sci U S A, 2024 Jan 2;121(1):e2310685120.

5. Hu Z, Xie Y, Lu J, Yang J, Zhang J, Jiang H, Li H, Zhang Y, Wu D, Zeng K, Bai X, Yu X. VANGL2 inhibits antiviral IFN-I signaling by targeting TBK1 for autophagic degradation. Science advances, 2023 Jun 23;9(25):eadg2339.

6. Xie X, Zhang W, Xiao M, Wei T, Qiu Y, Qiu J, Wang H, Qiu Z, Zhang S, Pan Y, Mao L, Li Y, Guo B, Yang W, Hu Y, Hu S, Gong Y, Yang J, Xiao G*, Zhang Y*, Bai X*. TREM2 acts as a receptor for IL-34 to suppress acute myeloid leukemia in mice. Blood, 2023 Jun 29;141(26):3184-3198.

7. Gong Y, Zou S, Deng D, Wang L, Hu H, Qiu Z, Wei T, Yang P, Zhou J, Zhang Y, Zhu W, Xie X, Liao Z, Yang J, Zhang S, Liu A, Jiang Y, Zou Z*, Bai X*. Loss of RanGAP1 drives chromosome instability and rapid tumorigenesis of osteosarcoma. Dev Cell, 2023 Feb 6;58(3):192-210.e11.

8. Zou W, Lai M, Jiang Y, Mao L, Zhou W, Zhang S, Lai P, Guo B, Wei T, Nie C, Zheng L, Zhang J, Gao X, Zhao X, Xia L, Zou Z, Liu A, Liu S, Cui ZK*, Bai X* Exosome Release Delays Senescence by Disposing of Obsolete Biomolecules. Adv Sci (Weinh). 2023 Jan 22:e2204826.

9. Cao H, Zhong Y, Zhou L, Lin S, Hou X, Ding Z, Li Y, Yao Q, Cao H, Zou X, Chen D, Bai X*, Xiao G*. Kindlin-2 inhibits TNF/NF-κB-Caspase 8 pathway in hepatocytes to maintain liver development and function. Elife. 2023 Jan 9;12: e81792.

10. Guo D, Lin C, Lu Y, Guan H, Qi W, Zhang H, Shao Y, Zeng C, Zhang R, Zhang H, Bai X*, Cai D*. FABP4 secreted by M1-polarized macrophages promotes synovitis and angiogenesis to exacerbate rheumatoid arthritis. Bone Res. 2022 Jun 22;10(1):45. 

11. Zhang H, Shao Y, Yao Z, Liu L, Zhang H, Yin J, Xie H, Li K, Lai P, Zeng H, Xiao G, Zeng C*, Cai D*, Bai X*. Mechanical overloading promotes chondrocyte senescence and osteoarthritis development through downregulating FBXW7. Annals of the rheumatic diseases, 2022 May;81(5):676-686.

12. Wu X, Lai Y, Chen S, Zhou C, Tao C, Fu X, Li J, Tong W, Tian H, Shao Z, Liu C, Chen D, Bai X *, Cao H *, Xiao G *. Kindlin-2 preserves integrity of the articular cartilage to protect against osteoarthritis. Nat Aging. 2022 Feb 10.

13. Gong Y, Li Z, Zou S, Deng D, Lai P, Hu H, Yao Y, Hu L, Zhang S, Li K, Wei T, Zhao X, Xiao G, Chen Z, Jiang Y, Bai X*, Zou Z*. Vangl2 limits chaperone-mediated autophagy to balance osteogenic differentiation in mesenchymal stem cells. Dev Cell. 2021 Jul 26;56(14):2103-2120. 

14. Xiao M#, Zhang W#, Li W#, Mao L, Yang J, Hu L, Zhang S, Zheng Y, Liu A, Song Q, Li Y, Xiao G, Zou Z*, Bai X*. Osteocytes regulate neutrophil development through IL-19: A potent cytokine for neutropenia treatment. Blood. 2021 Jun 24;137(25):3533-3547. 

15. Lai M, Zou W, Han Z, Zhou L, Qiu Z, Chen J, Zhang S, Lai P, Li K, Zhang Y, Liang L, Jiang Y, Zou Z*, Bai X*. Tsc1 regulates tight junction independent of mTORC1. Proc Natl Acad Sci U S A. 2021 Jul 27;118(30):e2020891118.

16. Xia W, Xie J, Cai Z, Liu X, Wen J, Cui ZK, Zhao R, Zhou X, Chen J, Mao X, Gu Z, Zou Z, Zou Z, Zhang Y, Zhao M, Mac M, Song Q*, Bai X*. Damaged brain accelerates bone healing by releasing small extracellular vesicles that target osteoprogenitors. Nat Commun. 2021 Oct 15;12(1):6043.

17. Zhang H, Cai D*, Bai X*; Macrophages regulate the progression of osteoarthritis. Osteoarthritis and Cartilage. 2020, 28(5):555-561. 

18. Lin C, Liu L, Zeng C, Cui Z, Chen Y, Lai P, Wang H, Shao Y , Zhang H, Zhang R, Zhao C, Fang H, Cai D*, Bai X*. Activation of mTORC1 in subchondral bone preosteoblasts promotes osteoarthritis by stimulating bone sclerosis and secretion of CXCL12. Bone Res. 2019,7: 5. 

19. Guo J, Tian X, Xie D, Rahn K, Gerhard E, Kuzma M, Zhou D, Dong C, Bai X*, Lu Z*, Yang J*. CitrateBased TanninBridged Bone Composites for Lumbar Fusion. Adv Funct Mater. 2019; 30(27):2070179.

20. Zhang H, Lin C, Zeng C, Wang Z, Wang H, Lu J, Liu X, Shao Y, Zhao C, Pan J, Xu S, Zhang Y, Xie D, Cai D*, Bai X*. Synovial macrophage M1 polarisation exacerbates experimental osteoarthritis partially through R-spondin-2. Ann Rheum Dis. 2018 Oct;77(10):1524-1534. 

21. Li K, Zhang Y, Zhang Y, Jiang W, Shen J, Xu S, Cai D, Shen J, Huang B, Li M, Song Q, Jiang Y, Liu A, Bai X*. Tyrosine kinase Fyn promotes osteoarthritis by activating the β-catenin pathway. Ann Rheum Dis. 2018 Jun;77(6):935-943. 

22. Zou W, Lai M, Zhang Y, Zheng, Xing Z, Li T, Zou Z, Song Q,Zhao X, Xia L, Yang J, Liu A,Zhang H, Cui Z*, Jiang Y*, Bai X*. Exosome Release Is Regulated by mTORC1. Adv Sci. 2018 Dec 11;6(3):1801313.

23. Ma C, Tian X, Kim JP, Xie D, Ao X, Shan D, Lin Q, Hudock MR, Bai X*, Yang J*. Citrate-based materials fuel human stem cells by metabonegenic regulation. Proc Natl Acad Sci U S A. 2018 Dec 11;115(50):E11741-E11750.

24. Xu S, Zhang Y, Wang J, Li K, Tan K, Liang K, Shen J, Cai D, Jin D, Li M, Xiao G, Xu J, Jiang Y, Bai X*. TSC1 regulates osteoclast podosome organization and bone resorption through mTORC1 and Rac1/Cdc42. Cell Death Differ. 2018 Jan 22. doi: 10.1038/s41418-017-0049-4.

25. Lu J, Zhang H, Cai D, Zeng C, Lai P, Shao Y, Fang H, Li D, Ouyang J, Zhao C, Xie D, Huang B, Yang J, Jiang Y, Bai X*. Positive-Feedback Regulation of Subchondral H-Type Vessel Formation by Chondrocyte Promotes Osteoarthritis Development in Mice. J Bone Miner Res. 2018 May;33(5):909-920. 

26. Xiao M, Wang Y, Tao C, Wang Z, Yang J, Chen Z, Zou Z, Li M, Liu A, Jia C, Huang B, Yan B, Lai P, Ding C, Cai D, Xiao G, Jiang Y, Bai X*. Osteoblasts support megakaryopoiesis through production of interleukin-9. Blood. 2017 Jun 15;129(24):3196-3209.

27. Zhang Y, Xu S, Liang KY, Li K, Zou ZP, Yang CL, Tan K, Cao X, Jiang Y, Gao TM, Bai XC*. Neuronal mTORC1 is required for maintaining the nonreactive state of astrocytes. J Biol Chem. 2017 Jan 6;292(1):100-111.

28. Huang B, Wang W, Li Q, Wang Z , Yan B, Zhang Z, Wang L , Huang M, Jia C, Lu J, Liu S, Chen H, Li M, Cai D, Jiang Y, Jin D*, Bai X*. Osteoblasts secrete Cxcl9 to regulate angiogenesis in bone, Nat Commun. 2016 Dec 14;7:13885. 

29. Yang J, Zhou X, Fan X, Xiao M, Yang D, Liang B, Dai M, Shan L, Lu J, Lin Z, Liu R, Liu J, Wang L, Zhong M, Jiang Y, Bai X*. mTORC1 promotes aging-related venous thrombosis in mice via elevation of platelet volume and activation. Blood. 2016 Aug 4;128(5):615-24. 

30. Yan B, Zhang Z, Jin D, Cai C, Jia C, Liu W, Wang T, Li S, Zhang H, Huang B, Lai P, Wang H, Liu A, Zeng C, Cai D, Jiang Y, Bai X*. mTORC1 regulates PTHrP to coordinate chondrocyte growth, proliferation and differentiation. Nat Commun. 2016 Apr 4;7:11151.

31. Zou Z, Chen J, Liu A, Zhou X, Song Q, Jia C, Chen Z, Lin J, Yang C, Li M, Jiang Y, Bai X*. mTORC2 promotes cell survival through c-Myc-dependent up-regulation of E2F1. J Cell Biol. 2015 Oct 12;211(1):105-22. 

32. Huang B, Wang Y, Wang W, Chen J, Lai P, Liu Z, Yan B, Xu S, Zhang Z, Zeng C, Rong L, Liu B, Cai D, Jin D, Bai X*. mTORC1 Prevents Preosteoblast Differentiation through the Notch Signaling Pathway. PLoS Genet. 2015 Aug 4;11(8):e1005426.

33. Chen Z, Kang X, Wang L, Dong H, Wang C, Xiong Z, Zhao W, Jia C, Lin J, Zhang W, Yuan W, Zhong M, Du H*, Bai X*. Rictor/mTORC2 pathway in oocytes regulates folliculogenesis, and its inactivation causes premature ovarian failure. J Biol Chem. 2015 Mar 6;290(10):6387-96.

34. Huang MJ, Wang L, Jin DD, Zhang ZM, Chen TY, Jia CH, Wang Y, Zhen XC, Huang B, Yan B, Chen YH, Li SF, Yang JC, Dai YF, Bai XC*. Enhancement of the synthesis of n-3 PUFAs in fat-1 transgenic mice inhibits mTORC1 signalling and delays surgically induced osteoarthritis in comparison with wild-type mice. Ann Rheum Dis, 2014, 73(9):1719-27.

35. Chen Z, Dong H, Jia C, Song Q, Chen J, Zhang Y, Lai P, Fan X, Zhou X, Liu M, Lin J, Yang C, Li M, Gao T, Bai X*. Activation of mTORC1 in collecting ducts causes hyperkalemia. J Am Soc Nephrol, 2014, 25(3):534-45.

36. Song Q, Xu Y, Yang C, Chen Z, Jia C, Chen J, Zhang Y, Lai P, Fan X, Zhou X, Lin J, Li M, Ma W, Luo S, Bai X*. miR-483-5p promotes invasion and metastasis of lung adenocarcinoma by targeting RhoGDI1 and ALCAM. Cancer Res, 2014 ,74(11):3031-42. 

37. Chen Z, Zhang Y, Jia C, Wang Y, Lai P, Zhou X, Wang Y, Song Q, Lin J, Ren Z, Gao Q, Zhao Z, Zheng H, Wan Z, Gao T, Zhao A, Dai Y*, Bai X*. mTORC1/2 targeted by n-3 polyunsaturated fatty acids in the prevention of mammary tumorigenesis and tumor progression. Oncogene, 2014, 33(37):4548-57.

38. Jia CH, Li M, Liu J, Zhao L, Lin J, Lai PL, Zhou X, Zhang Y, Chen ZG, Li HY, Liu AL, Yang CL, Gao TM, Jiang Y, Bai X*. IKK-β mediates hydrogen peroxide induced cell death through p85 S6K1. Cell Death Differ, 2013, 20(2):248-58.

39. Wen ZH, Su YC, Lai PL, Zhang Y, Xu YF, Zhao A, Yao GY, Jia CH, Lin J, Xu S, Wang L, Wang XK, Liu AL, Jiang Y, Dai YF*, Bai X*. Critical role of arachidonic acid-activated mTOR signaling in breast carcinogenesis and angiogenesis. Oncogene, 2013, 32(2):160-70.

40. Bai X*, Jiang Y*. Key factors in mTOR regulation. Cell Mol Life Sci, 2010, 67(2):239-53.

41. Bai X, Ma DZ, Liu AL, Shen XY, Wang QM, Liu YJ, Jiang Y*. Rheb activates mTOR by antagonizing its endogenous inhibitor, FKBP38. Science, 2007, 318(5852): 977-980. 

42. Bai X*, Lu D, Liu AL, Zhang ZM, Li XM, Zou ZP, Zeng WS, Cheng BL, Luo SQ. Reactive oxygen species stimulates receptor activator of NF-kappaB ligand expression in osteoblast. J Biol Chem. 2005 Apr 29;280(17):17497-506. 

43. Bai XC, Lu D, Bai J, Zheng H, Ke ZY, Li XM, Luo SQ*. Oxidative stress inhibits osteoblastic differentiation of bone cells by ERK and NF-kappaB. Biochem Biophys Res Commun. 2004 Jan 30;314(1):197-207. 

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