Analyze Diet
Stem cells international2019; 2019; 1602751; doi: 10.1155/2019/1602751

Insulin Enhances the In Vitro Osteogenic Capacity of Flexor Tendon-Derived Progenitor Cells.

Abstract: There is increased incidence of tendon disorders and decreased tendon healing capacity in people with diabetes mellitus (DM). Recent studies have also suggested pathological ossification in repair tendon of people with DM. Therefore, the objective of this study is to investigate the effects of insulin supplementation, an important pathophysiologic stimulus of DM, on tendon progenitor cell (TPC) proliferation and in vitro osteogenic capacity. Passage 3 TPCs were isolated from collagenase-digested, equine superficial digital flexor tendons. TPC proliferation was measured via MTT assay after 3 days of monolayer culture in medium supplemented with 0, 0.007, 0.07, and 0.7 nM insulin. In vitro osteogenic capacity of TPCs (Alizarin Red staining, osteogenic mRNA expression, and alkaline phosphatase bioactivity) was assessed with 0, 0.07, and 0.7 nM insulin-supplemented osteogenic induction medium. Insulin (0.7 nM) significantly increased TPC proliferation after 3 days of monolayer culture. Alizarin Red staining of insulin-treated TPC osteogenic cultures demonstrated robust cell aggregation and mineralized matrix secretion, in a dose-dependent manner. Runx2, alkaline phosphatase, and Osteonectin mRNA and alkaline phosphatase bioactivity of insulin-treated TPC cultures were significantly higher at day 14 of osteogenesis compared to untreated controls. Addition of picropodophyllin (PPP), a selective IGF-I receptor inhibitor, mitigated the increased osteogenic capacity of TPCs, indicating that IGF-I signaling plays an important role. Our findings indicate that hyperinsulinemia may alter TPC phenotype and subsequently impact the quality of repair tendon tissue.
Publication Date: 2019-12-27 PubMed ID: 31949435PubMed Central: PMC6948345DOI: 10.1155/2019/1602751Google Scholar: Lookup
The Equine Research Bank provides access to a large database of publicly available scientific literature. Inclusion in the Research Bank does not imply endorsement of study methods or findings by Mad Barn.
  • Journal Article

Summary

This research summary has been generated with artificial intelligence and may contain errors and omissions. Refer to the original study to confirm details provided. Submit correction.

The research aims to investigate how adding insulin can affect the proliferative and osteogenic ability of tendon progenitor cells (TPCs), a process which has implications on tendon healing, especially in diabetics.

Understanding the Context

  • Diabetes Mellitus (DM) patients often suffer from tendon disorders and exhibit reduced tendon healing capacity. Some studies have also suggested an abnormality known as pathological ossification in the repaired tendons of DM patients.
  • The research was focused on the effects of insulin, a vital element in DM pathology, on the rate of proliferation and osteogenic (bone forming) capacity of TPCs.

Methodology

  • Third passage TPCs were isolated from the superficial digital flexor tendons of horses, treated with collagenase.
  • The isolated TPCs were cultured in mediums supplemented with different concentrations of insulin. They used four distinct concentrations: 0, 0.007, 0.07, and 0.7 nM.
  • The proliferation of TPCs was measured after 3 days of culturing, using an MTT assay.
  • The ability of TPCs to form bone (osteogenic capacity) was assessed using Alizarin Red staining, osteogenic mRNA expression tests, and testing for alkaline phosphatase bioactivity, with the medium being supplemented with either 0, 0.07, or 0.7 nM insulin.

Results

  • The highest dose of insulin used (0.7 nM) showed a significant increase in TPC proliferation after 3 days of culture.
  • Insulin-treated TPCs showed remarkable cell aggregation and secretion of the mineralized matrix in a dose-dependent manner, as evidenced by Alizarin Red staining.
  • Gene expressions of Runx2, alkaline phosphatase, and Osteonectin mRNA in insulin-treated TPCs were significantly higher on day 14 of osteogenesis compared to those left untreated. Alkaline phosphatase bioactivity followed the same pattern.
  • They discovered that the addition of Picropodophyllin (PPP), an inhibitor of IGF-I receptors, decreased the osteogenic capacity of TPCs, indicating the role of IGF-I signaling in this process.

Conclusion

  • The research outcomes suggest that high levels of insulin, known as hyperinsulinemia, could alter the normal functioning and characteristics of TPCs and subsequently affect the quality of the repaired tendon tissue.

Cite This Article

APA
Durgam SS, Altmann NN, Coughlin HE, Rollins A, Hostnik LD. (2019). Insulin Enhances the In Vitro Osteogenic Capacity of Flexor Tendon-Derived Progenitor Cells. Stem Cells Int, 2019, 1602751. https://doi.org/10.1155/2019/1602751

Publication

ISSN: 1687-966X
NlmUniqueID: 101535822
Country: United States
Language: English
Volume: 2019
Pages: 1602751
PII: 1602751

Researcher Affiliations

Durgam, Sushmitha S
  • Department of Veterinary Clinical Sciences, College of Veterinary Medicine, The Ohio State University, 601 Vernon L. Tharp Street, Columbus, OH, 43210, USA.
Altmann, Nadine N
  • Department of Veterinary Clinical Sciences, College of Veterinary Medicine, The Ohio State University, 601 Vernon L. Tharp Street, Columbus, OH, 43210, USA.
Coughlin, Haley E
  • Department of Veterinary Clinical Sciences, College of Veterinary Medicine, The Ohio State University, 601 Vernon L. Tharp Street, Columbus, OH, 43210, USA.
Rollins, Audrey
  • Department of Veterinary Clinical Sciences, College of Veterinary Medicine, The Ohio State University, 601 Vernon L. Tharp Street, Columbus, OH, 43210, USA.
Hostnik, Laura D
  • Department of Veterinary Clinical Sciences, College of Veterinary Medicine, The Ohio State University, 601 Vernon L. Tharp Street, Columbus, OH, 43210, USA.

Conflict of Interest Statement

The authors declare that they have no conflicts of interest.

References

This article includes 49 references
  1. Patterson-Kane JC, Rich T. Achilles tendon injuries in elite athletes: lessons in pathophysiology from their equine counterparts.. ILAR J 2014;55(1):86-99.
    doi: 10.1093/ilar/ilu004pubmed: 24936032google scholar: lookup
  2. Gajhede-Knudsen M, Ekstrand J, Magnusson H, Maffulli N. Recurrence of Achilles tendon injuries in elite male football players is more common after early return to play: an 11-year follow-up of the UEFA Champions League injury study.. Br J Sports Med 2013 Aug;47(12):763-8.
    doi: 10.1136/bjsports-2013-092271pubmed: 23770660google scholar: lookup
  3. Nyyssönen T, Lüthje P, Kröger H. The increasing incidence and difference in sex distribution of Achilles tendon rupture in Finland in 1987-1999.. Scand J Surg 2008;97(3):272-5.
    doi: 10.1177/145749690809700312pubmed: 18812279google scholar: lookup
  4. Smith RK, Birch HL, Goodman S, Heinegård D, Goodship AE. The influence of ageing and exercise on tendon growth and degeneration--hypotheses for the initiation and prevention of strain-induced tendinopathies.. Comp Biochem Physiol A Mol Integr Physiol 2002 Dec;133(4):1039-50.
    doi: 10.1016/S1095-6433(02)00148-4pubmed: 12485691google scholar: lookup
  5. Aydeniz A, Gursoy S, Guney E. Which musculoskeletal complications are most frequently seen in type 2 diabetes mellitus?. J Int Med Res 2008 May-Jun;36(3):505-11.
    doi: 10.1177/147323000803600315pubmed: 18534132google scholar: lookup
  6. de Oliveira RR, Lemos A, de Castro Silveira PV, da Silva RJ, de Moraes SR. Alterations of tendons in patients with diabetes mellitus: a systematic review.. Diabet Med 2011 Aug;28(8):886-95.
  7. Goodship AE, Birch HL, Wilson AM. The pathobiology and repair of tendon and ligament injury.. Vet Clin North Am Equine Pract 1994 Aug;10(2):323-49.
    doi: 10.1016/s0749-0739(17)30359-0pubmed: 7987721google scholar: lookup
  8. Akturk M, Ozdemir A, Maral I, Yetkin I, Arslan M. Evaluation of Achilles tendon thickening in type 2 diabetes mellitus.. Exp Clin Endocrinol Diabetes 2007 Feb;115(2):92-6.
    doi: 10.1055/s-2007-955097pubmed: 17318767google scholar: lookup
  9. Papanas N, Courcoutsakis N, Papatheodorou K, Daskalogiannakis G, Maltezos E, Prassopoulos P. Achilles tendon volume in type 2 diabetic patients with or without peripheral neuropathy: MRI study.. Exp Clin Endocrinol Diabetes 2009 Nov;117(10):645-8.
    doi: 10.1055/s-0029-1224121pubmed: 19834869google scholar: lookup
  10. Batista F, Nery C, Pinzur M, Monteiro AC, de Souza EF, Felippe FH, Alcântara MC, Campos RS. Achilles tendinopathy in diabetes mellitus.. Foot Ankle Int 2008 May;29(5):498-501.
    doi: 10.3113/FAI-2008-0498pubmed: 18510903google scholar: lookup
  11. Maffulli N, Longo UG, Maffulli GD, Khanna A, Denaro V. Achilles tendon ruptures in diabetic patients.. Arch Orthop Trauma Surg 2011 Jan;131(1):33-8.
    doi: 10.1007/s00402-010-1097-0pubmed: 20369360google scholar: lookup
  12. Lin L, Shen Q, Xue T, Yu C. Heterotopic ossification induced by Achilles tenotomy via endochondral bone formation: expression of bone and cartilage related genes.. Bone 2010 Feb;46(2):425-31.
    doi: 10.1016/j.bone.2009.08.057pubmed: 19735753google scholar: lookup
  13. Lui PP, Fu SC, Chan LS, Hung LK, Chan KM. Chondrocyte phenotype and ectopic ossification in collagenase-induced tendon degeneration.. J Histochem Cytochem 2009 Feb;57(2):91-100.
    doi: 10.1369/jhc.2008.952143pmc: PMC2628327pubmed: 18824634google scholar: lookup
  14. Bi Y, Ehirchiou D, Kilts TM, Inkson CA, Embree MC, Sonoyama W, Li L, Leet AI, Seo BM, Zhang L, Shi S, Young MF. Identification of tendon stem/progenitor cells and the role of the extracellular matrix in their niche.. Nat Med 2007 Oct;13(10):1219-27.
    doi: 10.1038/nm1630pubmed: 17828274google scholar: lookup
  15. Durgam S, Schuster B, Cymerman A, Stewart A, Stewart M. Differential Adhesion Selection for Enrichment of Tendon-Derived Progenitor Cells During In Vitro Culture.. Tissue Eng Part C Methods 2016 Aug;22(8):801-8.
    doi: 10.1089/ten.TEC.2016.0152pubmed: 27406327google scholar: lookup
  16. Williamson KA, Lee KJ, Humphreys WJ, Comerford EJ, Clegg PD, Canty-Laird EG. Restricted differentiation potential of progenitor cell populations obtained from the equine superficial digital flexor tendon (SDFT).. J Orthop Res 2015 Jun;33(6):849-58.
    doi: 10.1002/jor.22891pmc: PMC4657492pubmed: 25877997google scholar: lookup
  17. Asai S, Otsuru S, Candela ME, Cantley L, Uchibe K, Hofmann TJ, Zhang K, Wapner KL, Soslowsky LJ, Horwitz EM, Enomoto-Iwamoto M. Tendon progenitor cells in injured tendons have strong chondrogenic potential: the CD105-negative subpopulation induces chondrogenic degeneration.. Stem Cells 2014 Dec;32(12):3266-77.
    doi: 10.1002/stem.1847pmc: PMC4245375pubmed: 25220576google scholar: lookup
  18. Maffulli N, Reaper J, Ewen SW, Waterston SW, Barrass V. Chondral metaplasia in calcific insertional tendinopathy of the Achilles tendon.. Clin J Sport Med 2006 Jul;16(4):329-34.
  19. Zhang K, Asai S, Yu B, Enomoto-Iwamoto M. IL-1β irreversibly inhibits tenogenic differentiation and alters metabolism in injured tendon-derived progenitor cells in vitro.. Biochem Biophys Res Commun 2015 Aug 7;463(4):667-72.
    doi: 10.1016/j.bbrc.2015.05.122pmc: PMC4496264pubmed: 26051275google scholar: lookup
  20. Shi L, Li YJ, Dai GC, Lin YC, Li G, Wang C, Chen H, Rui YF. Impaired function of tendon-derived stem cells in experimental diabetes mellitus rat tendons: implications for cellular mechanism of diabetic tendon disorder.. Stem Cell Res Ther 2019 Jan 15;10(1):27.
    doi: 10.1186/s13287-018-1108-6pmc: PMC6332703pubmed: 30646947google scholar: lookup
  21. Lin YC, Li YJ, Rui YF, Dai GC, Shi L, Xu HL, Ni M, Zhao S, Chen H, Wang C, Li G, Teng GJ. The effects of high glucose on tendon-derived stem cells: implications of the pathogenesis of diabetic tendon disorders.. Oncotarget 2017 Mar 14;8(11):17518-17528.
    doi: 10.18632/oncotarget.15418pmc: PMC5392267pubmed: 28407683google scholar: lookup
  22. Zhang W, Shen X, Wan C, Zhao Q, Zhang L, Zhou Q, Deng L. Effects of insulin and insulin-like growth factor 1 on osteoblast proliferation and differentiation: differential signalling via Akt and ERK.. Cell Biochem Funct 2012 Jun;30(4):297-302.
    doi: 10.1002/cbf.2801pubmed: 22249904google scholar: lookup
  23. Yu Y, Mu J, Fan Z, Lei G, Yan M, Wang S, Tang C, Wang Z, Yu J, Zhang G. Insulin-like growth factor 1 enhances the proliferation and osteogenic differentiation of human periodontal ligament stem cells via ERK and JNK MAPK pathways.. Histochem Cell Biol 2012 Apr;137(4):513-25.
    doi: 10.1007/s00418-011-0908-xpubmed: 22227802google scholar: lookup
  24. Durgam SS, Stewart AA, Sivaguru M, Wagoner Johnson AJ, Stewart MC. Tendon-derived progenitor cells improve healing of collagenase-induced flexor tendinitis.. J Orthop Res 2016 Dec;34(12):2162-2171.
    doi: 10.1002/jor.23251pubmed: 27035120google scholar: lookup
  25. Durgam SS, Stewart AA, Pondenis HC, Yates AC, Evans RB, Stewart MC. Responses of equine tendon- and bone marrow-derived cells to monolayer expansion with fibroblast growth factor-2 and sequential culture with pulverized tendon and insulin-like growth factor-I.. Am J Vet Res 2012 Jan;73(1):162-70.
    doi: 10.2460/ajvr.73.1.162pubmed: 22204303google scholar: lookup
  26. Livak KJ, Schmittgen TD. Analysis of relative gene expression data using real-time quantitative PCR and the 2(-Delta Delta C(T)) Method.. Methods 2001 Dec;25(4):402-8.
    doi: 10.1006/meth.2001.1262pubmed: 11846609google scholar: lookup
  27. Chen Y, Caporali E, Stewart M. Bone morphogenetic protein 2 stimulates chondrogenesis of equine synovial membrane-derived progenitor cells.. Vet Comp Orthop Traumatol 2016 Sep 20;29(5):378-85.
    doi: 10.3415/VCOT-16-02-0035pubmed: 27468832google scholar: lookup
  28. Reible B, Schmidmaier G, Moghaddam A, Westhauser F. Insulin-Like Growth Factor-1 as a Possible Alternative to Bone Morphogenetic Protein-7 to Induce Osteogenic Differentiation of Human Mesenchymal Stem Cells in Vitro.. Int J Mol Sci 2018 Jun 5;19(6).
    doi: 10.3390/ijms19061674pmc: PMC6032281pubmed: 29874864google scholar: lookup
  29. Zhou J, Wei F, Ma Y. Inhibiting PPARγ by erythropoietin while upregulating TAZ by IGF1 synergistically promote osteogenic differentiation of mesenchymal stem cells.. Biochem Biophys Res Commun 2016 Sep 9;478(1):349-355.
    doi: 10.1016/j.bbrc.2016.07.049pubmed: 27422606google scholar: lookup
  30. Chen CY, Tseng KY, Lai YL, Chen YS, Lin FH, Lin S. Overexpression of Insulin-Like Growth Factor 1 Enhanced the Osteogenic Capability of Aging Bone Marrow Mesenchymal Stem Cells.. Theranostics 2017;7(6):1598-1611.
    doi: 10.7150/thno.16637pmc: PMC5436515pubmed: 28529639google scholar: lookup
  31. Bodenlenz M, Schaupp LA, Druml T, Sommer R, Wutte A, Schaller HC, Sinner F, Wach P, Pieber TR. Measurement of interstitial insulin in human adipose and muscle tissue under moderate hyperinsulinemia by means of direct interstitial access.. Am J Physiol Endocrinol Metab 2005 Aug;289(2):E296-300.
    doi: 10.1152/ajpendo.00431.2004pubmed: 15769794google scholar: lookup
  32. Templeman NM, Skovsø S, Page MM, Lim GE, Johnson JD. A causal role for hyperinsulinemia in obesity.. J Endocrinol 2017 Mar;232(3):R173-R183.
    doi: 10.1530/JOE-16-0449pubmed: 28052999google scholar: lookup
  33. Gong Y, Ma Y, Sinyuk M, Loganathan S, Thompson RC, Sarkaria JN, Chen W, Lathia JD, Mobley BC, Clark SW, Wang J. Insulin-mediated signaling promotes proliferation and survival of glioblastoma through Akt activation.. Neuro Oncol 2016 Jan;18(1):48-57.
    doi: 10.1093/neuonc/nov096pmc: PMC4677408pubmed: 26136493google scholar: lookup
  34. Li P, Wei J, Gao X, Wei B, Lin H, Huang R, Niu Y, Lim K, Jing K, Chu J. Insulin Promotes the Proliferation of Human Umbilical Cord Matrix-Derived Mesenchymal Stem Cells by Activating the Akt-Cyclin D1 Axis.. Stem Cells Int 2017;2017:7371615.
    doi: 10.1155/2017/7371615pmc: PMC5412176pubmed: 28484496google scholar: lookup
  35. Palaniappan M, Menon B, Menon KM. Stimulatory effect of insulin on theca-interstitial cell proliferation and cell cycle regulatory proteins through MTORC1 dependent pathway.. Mol Cell Endocrinol 2013 Feb 5;366(1):81-9.
    doi: 10.1016/j.mce.2012.12.004pmc: PMC3552006pubmed: 23261705google scholar: lookup
  36. Selig JI, Ouwens DM, Raschke S, Thoresen GH, Fischer JW, Lichtenberg A, Akhyari P, Barth M. Impact of hyperinsulinemia and hyperglycemia on valvular interstitial cells - A link between aortic heart valve degeneration and type 2 diabetes.. Biochim Biophys Acta Mol Basis Dis 2019 Sep 1;1865(9):2526-2537.
    doi: 10.1016/j.bbadis.2019.05.019pubmed: 31152868google scholar: lookup
  37. Siddle K. Molecular basis of signaling specificity of insulin and IGF receptors: neglected corners and recent advances.. Front Endocrinol (Lausanne) 2012;3:34.
    doi: 10.3389/fendo.2012.00034pmc: PMC3355962pubmed: 22649417google scholar: lookup
  38. Straßburger K, Tiebe M, Pinna F, Breuhahn K, Teleman AA. Insulin/IGF signaling drives cell proliferation in part via Yorkie/YAP.. Dev Biol 2012 Jul 15;367(2):187-96.
    doi: 10.1016/j.ydbio.2012.05.008pubmed: 22609549google scholar: lookup
  39. Abrahamsson SO, Lohmander S. Differential effects of insulin-like growth factor-I on matrix and DNA synthesis in various regions and types of rabbit tendons.. J Orthop Res 1996 May;14(3):370-6.
    doi: 10.1002/jor.1100140305pubmed: 8676248google scholar: lookup
  40. Costa MA, Wu C, Pham BV, Chong AK, Pham HM, Chang J. Tissue engineering of flexor tendons: optimization of tenocyte proliferation using growth factor supplementation.. Tissue Eng 2006 Jul;12(7):1937-43.
    doi: 10.1089/ten.2006.12.1937pubmed: 16889523google scholar: lookup
  41. DesRosiers EA, Yahia L, Rivard CH. Proliferative and matrix synthesis response of canine anterior cruciate ligament fibroblasts submitted to combined growth factors.. J Orthop Res 1996 Mar;14(2):200-8.
    doi: 10.1002/jor.1100140206pubmed: 8648496google scholar: lookup
  42. Durgam SS, Stewart AA, Pondenis HC, Gutierrez-Nibeyro SM, Evans RB, Stewart MC. Comparison of equine tendon- and bone marrow-derived cells cultured on tendon matrix with or without insulin-like growth factor-I supplementation.. Am J Vet Res 2012 Jan;73(1):153-61.
    doi: 10.2460/ajvr.73.1.153pubmed: 22204302google scholar: lookup
  43. Fowlkes JL, Bunn RC, Liu L, Wahl EC, Coleman HN, Cockrell GE, Perrien DS, Lumpkin CK Jr, Thrailkill KM. Runt-related transcription factor 2 (RUNX2) and RUNX2-related osteogenic genes are down-regulated throughout osteogenesis in type 1 diabetes mellitus.. Endocrinology 2008 Apr;149(4):1697-704.
    doi: 10.1210/en.2007-1408pmc: PMC2276714pubmed: 18162513google scholar: lookup
  44. He J, Rosen CJ, Adams DJ, Kream BE. Postnatal growth and bone mass in mice with IGF-I haploinsufficiency.. Bone 2006 Jun;38(6):826-35.
    doi: 10.1016/j.bone.2005.11.021pubmed: 16427371google scholar: lookup
  45. Tiago DM, Cancela ML, Laizé V. Proliferative and mineralogenic effects of insulin, IGF-1, and vanadate in fish osteoblast-like cells.. J Bone Miner Metab 2011 May;29(3):377-82.
    doi: 10.1007/s00774-010-0243-7pubmed: 21181214google scholar: lookup
  46. Cong XX, Rao XS, Lin JX, Liu XC, Zhang GA, Gao XK, He MY, Shen WL, Fan W, Pioletti D, Zheng LL, Liu HH, Yin Z, Low BC, Schweitzer R, Ouyang H, Chen X, Zhou YT. Activation of AKT-mTOR Signaling Directs Tenogenesis of Mesenchymal Stem Cells.. Stem Cells 2018 Apr;36(4):527-539.
    doi: 10.1002/stem.2765pubmed: 29315990google scholar: lookup
  47. Jiang HT, Ran CC, Liao YP, Zhu JH, Wang H, Deng R, Nie M, He BC, Deng ZL. IGF-1 reverses the osteogenic inhibitory effect of dexamethasone on BMP9-induced osteogenic differentiation in mouse embryonic fibroblasts via PI3K/AKT/COX-2 pathway.. J Steroid Biochem Mol Biol 2019 Jul;191:105363.
    doi: 10.1016/j.jsbmb.2019.04.012pubmed: 31018166google scholar: lookup
  48. Oliva F, Barisani D, Grasso A, Maffulli N. Gene expression analysis in calcific tendinopathy of the rotator cuff.. Eur Cell Mater 2011 Jun 20;21:548-57.
    doi: 10.22203/ecm.v021a41pubmed: 21710445google scholar: lookup
  49. Rui YF, Lui PP, Ni M, Chan LS, Lee YW, Chan KM. Mechanical loading increased BMP-2 expression which promoted osteogenic differentiation of tendon-derived stem cells.. J Orthop Res 2011 Mar;29(3):390-6.
    doi: 10.1002/jor.21218pubmed: 20882582google scholar: lookup

Citations

This article has been cited 7 times.
  1. Bowlby CM, Purmessur D, Durgam SS. Equine peripheral blood CD14(+) monocyte-derived macrophage in-vitro characteristics after GM-CSF pretreatment and LPS+IFN-γ or IL-4+IL-10 differentiation.. Vet Immunol Immunopathol 2023 Jan;255:110534.
    doi: 10.1016/j.vetimm.2022.110534pubmed: 36502640google scholar: lookup
  2. Vaidya R, Lake SP, Zellers JA. Effect of Diabetes on Tendon Structure and Function: Not Limited to Collagen Crosslinking.. J Diabetes Sci Technol 2023 Jan;17(1):89-98.
    doi: 10.1177/19322968221100842pubmed: 35652696google scholar: lookup
  3. Sakhrani N, Lee AJ, Murphy LA, Kenawy HM, Visco CJ, Ateshian GA, Shah RP, Hung CT. Toward Development of a Diabetic Synovium Culture Model.. Front Bioeng Biotechnol 2022;10:825046.
    doi: 10.3389/fbioe.2022.825046pubmed: 35265601google scholar: lookup
  4. Shi L, Lu PP, Dai GC, Li YJ, Rui YF. Advanced glycation end productions and tendon stem/progenitor cells in pathogenesis of diabetic tendinopathy.. World J Stem Cells 2021 Sep 26;13(9):1338-1348.
    doi: 10.4252/wjsc.v13.i9.1338pubmed: 34630866google scholar: lookup
  5. Quam VG, Altmann NN, Brokken MT, Durgam SS. Zonal characterization and differential trilineage potentials of equine intrasynovial deep digital flexor tendon-derived cells.. BMC Vet Res 2021 Apr 1;17(1):138.
    doi: 10.1186/s12917-021-02793-1pubmed: 33794882google scholar: lookup
  6. Huang Z, Yin Z, Xu J, Fei Y, Heng BC, Jiang X, Chen W, Shen W. Tendon Stem/Progenitor Cell Subpopulations and Their Implications in Tendon Biology.. Front Cell Dev Biol 2021;9:631272.
    doi: 10.3389/fcell.2021.631272pubmed: 33681210google scholar: lookup
  7. Lu PP, Chen MH, Dai GC, Li YJ, Shi L, Rui YF. Understanding cellular and molecular mechanisms of pathogenesis of diabetic tendinopathy.. World J Stem Cells 2020 Nov 26;12(11):1255-1275.
    doi: 10.4252/wjsc.v12.i11.1255pubmed: 33312397google scholar: lookup