1. Mahabadi, J.A., et al., Derivation of male germ cells from induced pluripotent stem cells by inducers: A review. Cytotherapy, 2018. 20(3): 279-290. [
DOI:10.1016/j.jcyt.2018.01.002] 
2. Baksh, D., L. Song, and R.S. Tuan, Adult mesenchymal stem cells: characterization, differentiation, and application in cell and gene therapy. Journal of cellular and molecular medicine, 2004. 8(3): 301-316. [
DOI:10.1111/j.1582-4934.2004.tb00320.x] 
3. Barry, F.P. and J.M. Murphy, Mesenchymal stem cells: clinical applications and biological characterization. The international journal of biochemistry & cell biology, 2004. 36(4): 568-584. [
DOI:10.1016/j.biocel.2003.11.001] 
4. Tropel, P., et al., Isolation and characterisation of mesenchymal stem cells from adult mouse bone marrow. Experimental cell research, 2004. 295(2): 395-406. [
DOI:10.1016/j.yexcr.2003.12.030] 
5. ML, T.D.W., Wharton's jelly-derived cells are a primitive stromal cell population Stem Cells 26591 2008. 9. Troyer, DL, and Weiss, ML Wharton's jelly-derived cells are a primitive stromal cell population. Stem Cells, 2008. 26: 591. [
DOI:10.1634/stemcells.2007-0439] 
6. Fu, Y.-S., et al., Conversion of human umbilical cord mesenchymal stem cells in Wharton's jelly to dopaminergic neurons in vitro: potential therapeutic application for Parkinsonism. Stem cells, 2006. 24(1): 115-124. [
DOI:10.1634/stemcells.2005-0053] 
7. Baksh, D., R. Yao, and R.S. Tuan, Comparison of proliferative and multilineage differentiation potential of human mesenchymal stem cells derived from umbilical cord and bone marrow. Stem cells, 2007. 25(6): 1384-1392. [
DOI:10.1634/stemcells.2006-0709] 
8. Wang, J.-F., et al., Mesenchymal stem/progenitor cells in human umbilical cord blood as support for ex vivo expansion of CD34 (+) hematopoietic stem cells and for chondrogenic differentiation. haematologica, 2004. 89(7): 837-844.
9. Sarugaser, R., et al., Human umbilical cord perivascular (HUCPV) cells: a source of mesenchymal progenitors. Stem cells, 2005. 23(2): 220-229. [
DOI:10.1634/stemcells.2004-0166] 
10. Weiss, M.L., et al., Human umbilical cord matrix stem cells: preliminary characterization and effect of transplantation in a rodent model of Parkinson's disease. Stem cells, 2006. 24(3): 781-792. [
DOI:10.1634/stemcells.2005-0330] 
11. Qiao, C., et al., Human mesenchymal stem cells isolated from the umbilical cord. Cell biology international, 2008. 32(1): 8-15. [
DOI:10.1016/j.cellbi.2007.08.002] 
12. Erices, A., P. Conget, and J.J. Minguell, Mesenchymal progenitor cells in human umbilical cord blood. British journal of haematology, 2000. 109(1): 235-242. [
DOI:10.1046/j.1365-2141.2000.01986.x] 
13. Jiang, Y., et al., Pluripotency of mesenchymal stem cells derived from adult marrow. Nature, 2002. 418(6893): 41-49. [
DOI:10.1038/nature00870] 
14. Troyer DLꎬWeiss, M., Wharton′ s jelly-derived cells are a primitive stromal cell population. Stem Cellsꎬ2008ꎬ26 (3): 591-599. [
DOI:10.1634/stemcells.2007-0439] 
15. Lu, L.-L., et al., Isolation and characterization of human umbilical cord mesenchymal stem cells with hematopoiesis-supportive function and other potentials. haematologica, 2006. 91(8): 1017-1026.
16. Secco, M., et al., Multipotent stem cells from umbilical cord: cord is richer than blood! Stem cells, 2008. 26(1): 146-150. [
DOI:10.1634/stemcells.2007-0381] 
17. Can, A. and S. Karahuseyinoglu, Concise review: human umbilical cord stroma with regard to the source of fetus-derived stem cells. Stem cells, 2007. 25(11): 2886-2895. [
DOI:10.1634/stemcells.2007-0417] 
18. Karahuseyinoglu, S., et al., Biology of stem cells in human umbilical cord stroma: in situ and in vitro surveys. Stem cells, 2007. 25(2): 319-331. [
DOI:10.1634/stemcells.2006-0286] 
19. Kern, S., et al., Comparative analysis of mesenchymal stem cells from bone marrow, umbilical cord blood, or adipose tissue. Stem cells, 2006. 24(5): 1294-1301. [
DOI:10.1634/stemcells.2005-0342] 
20. Jones, E. and D. McGonagle, Human bone marrow mesenchymal stem cells in vivo. Rheumatology, 2008. 47(2): 126-131. [
DOI:10.1093/rheumatology/kem206] 
21. Solter, D. and B.B. Knowles, Monoclonal antibody defining a stage-specific mouse embryonic antigen (SSEA-1). Proceedings of the National Academy of Sciences, 1978. 75(11): 5565-5569. [
DOI:10.1073/pnas.75.11.5565] 
22. Wiesmann, A., et al., Decreased CD90 expression in human mesenchymal stem cells by applying mechanical stimulation. Head & face medicine, 2006. 2: 1-6. [
DOI:10.1186/1746-160X-2-8] 
23. Jin, H.J., et al., Down-regulation of CD105 is associated with multi-lineage differentiation in human umbilical cord blood-derived mesenchymal stem cells. Biochemical and biophysical research communications, 2009. 381(4): 676-681. [
DOI:10.1016/j.bbrc.2009.02.118] 
24. Koch, T.G., et al., Isolation of mesenchymal stem cells from equine umbilical cord blood. BMC biotechnology, 2007. 7: 1-9. [
DOI:10.1186/1472-6750-7-26] 
25. Lovati, A.B., et al., Comparison of equine bone marrow-, umbilical cord matrix and amniotic fluid-derived progenitor cells. Veterinary research communications, 2011. 35: 103-121. [
DOI:10.1007/s11259-010-9457-3] 
26. Seo, M.J., et al., Differentiation of human adipose stromal cells into hepatic lineage in vitro and in vivo. Biochemical and biophysical research communications, 2005. 328(1): 258-264. [
DOI:10.1016/j.bbrc.2004.12.158] 
27. Romanov, Y.A., V.A. Svintsitskaya, and V.N. Smirnov, Searching for alternative sources of postnatal human mesenchymal stem cells: candidate MSC-like cells from umbilical cord. Stem cells, 2003. 21(1): 105-110. [
DOI:10.1634/stemcells.21-1-105] 
28. Zeddou, M., et al., The umbilical cord matrix is a better source of mesenchymal stem cells (MSC) than the umbilical cord blood. Cell biology international, 2010. 34(7): 693-701. [
DOI:10.1042/CBI20090414] 
29. Mahabadi, J.A., et al., Derivation of male germ cells from induced pluripotent stem cells by inducers: A review. Cytotherapy, 2018. 20(3): 279-290. [
DOI:10.1016/j.jcyt.2018.01.002] 
30. Baksh, D., L. Song, and R.S. Tuan, Adult mesenchymal stem cells: characterization, differentiation, and application in cell and gene therapy. Journal of cellular and molecular medicine, 2004. 8(3): 301-316. [
DOI:10.1111/j.1582-4934.2004.tb00320.x] 
31. Barry, F.P. and J.M. Murphy, Mesenchymal stem cells: clinical applications and biological characterization. The international journal of biochemistry & cell biology, 2004. 36(4): 568-584. [
DOI:10.1016/j.biocel.2003.11.001] 
32. Tropel, P., et al., Isolation and characterisation of mesenchymal stem cells from adult mouse bone marrow. Experimental cell research, 2004. 295(2): 395-406. [
DOI:10.1016/j.yexcr.2003.12.030] 
33. ML, T.D.W., Wharton's jelly-derived cells are a primitive stromal cell population Stem Cells 26591 2008. 9. Troyer, DL, and Weiss, ML Wharton's jelly-derived cells are a primitive stromal cell population. Stem Cells, 2008. 26: 591. [
DOI:10.1634/stemcells.2007-0439] 
34. Fu, Y.-S., et al., Conversion of human umbilical cord mesenchymal stem cells in Wharton's jelly to dopaminergic neurons in vitro: potential therapeutic application for Parkinsonism. Stem cells, 2006. 24(1): 115-124. [
DOI:10.1634/stemcells.2005-0053] 
35. Baksh, D., R. Yao, and R.S. Tuan, Comparison of proliferative and multilineage differentiation potential of human mesenchymal stem cells derived from umbilical cord and bone marrow. Stem cells, 2007. 25(6): 1384-1392. [
DOI:10.1634/stemcells.2006-0709] 
36. Wang, J.-F., et al., Mesenchymal stem/progenitor cells in human umbilical cord blood as support for ex vivo expansion of CD34 (+) hematopoietic stem cells and for chondrogenic differentiation. haematologica, 2004. 89(7): 837-844.
37. Sarugaser, R., et al., Human umbilical cord perivascular (HUCPV) cells: a source of mesenchymal progenitors. Stem cells, 2005. 23(2): 220-229. [
DOI:10.1634/stemcells.2004-0166] 
38. Weiss, M.L., et al., Human umbilical cord matrix stem cells: preliminary characterization and effect of transplantation in a rodent model of Parkinson's disease. Stem cells, 2006. 24(3): 781-792. [
DOI:10.1634/stemcells.2005-0330] 
39. Qiao, C., et al., Human mesenchymal stem cells isolated from the umbilical cord. Cell biology international, 2008. 32(1): 8-15. [
DOI:10.1016/j.cellbi.2007.08.002] 
40. Erices, A., P. Conget, and J.J. Minguell, Mesenchymal progenitor cells in human umbilical cord blood. British journal of haematology, 2000. 109(1): 235-242. [
DOI:10.1046/j.1365-2141.2000.01986.x] 
41. Jiang, Y., et al., Pluripotency of mesenchymal stem cells derived from adult marrow. Nature, 2002. 418(6893): 41-49. [
DOI:10.1038/nature00870] 
42. Troyer DLꎬWeiss, M., Wharton′ s jelly-derived cells are a primitive stromal cell population. Stem Cellsꎬ2008ꎬ26 (3): 591-599. [
DOI:10.1634/stemcells.2007-0439] 
43. Lu, L.-L., et al., Isolation and characterization of human umbilical cord mesenchymal stem cells with hematopoiesis-supportive function and other potentials. haematologica, 2006. 91(8): 1017-1026.
44. Secco, M., et al., Multipotent stem cells from umbilical cord: cord is richer than blood! Stem cells, 2008. 26(1): 146-150. [
DOI:10.1634/stemcells.2007-0381] 
45. Can, A. and S. Karahuseyinoglu, Concise review: human umbilical cord stroma with regard to the source of fetus-derived stem cells. Stem cells, 2007. 25(11): 2886-2895. [
DOI:10.1634/stemcells.2007-0417] 
46. Karahuseyinoglu, S., et al., Biology of stem cells in human umbilical cord stroma: in situ and in vitro surveys. Stem cells, 2007. 25(2): 319-331. [
DOI:10.1634/stemcells.2006-0286] 
47. Kern, S., et al., Comparative analysis of mesenchymal stem cells from bone marrow, umbilical cord blood, or adipose tissue. Stem cells, 2006. 24(5): 1294-1301. [
DOI:10.1634/stemcells.2005-0342] 
48. Jones, E. and D. McGonagle, Human bone marrow mesenchymal stem cells in vivo. Rheumatology, 2008. 47(2): 126-131. [
DOI:10.1093/rheumatology/kem206] 
49. Solter, D. and B.B. Knowles, Monoclonal antibody defining a stage-specific mouse embryonic antigen (SSEA-1). Proceedings of the National Academy of Sciences, 1978. 75(11): 5565-5569. [
DOI:10.1073/pnas.75.11.5565] 
50. Wiesmann, A., et al., Decreased CD90 expression in human mesenchymal stem cells by applying mechanical stimulation. Head & face medicine, 2006. 2: 1-6. [
DOI:10.1186/1746-160X-2-8] 
51. Jin, H.J., et al., Down-regulation of CD105 is associated with multi-lineage differentiation in human umbilical cord blood-derived mesenchymal stem cells. Biochemical and biophysical research communications, 2009. 381(4): 676-681. [
DOI:10.1016/j.bbrc.2009.02.118] 
52. Koch, T.G., et al., Isolation of mesenchymal stem cells from equine umbilical cord blood. BMC biotechnology, 2007. 7: 1-9. [
DOI:10.1186/1472-6750-7-26] 
53. Lovati, A.B., et al., Comparison of equine bone marrow-, umbilical cord matrix and amniotic fluid-derived progenitor cells. Veterinary research communications, 2011. 35: 103-121. [
DOI:10.1007/s11259-010-9457-3] 
54. Seo, M.J., et al., Differentiation of human adipose stromal cells into hepatic lineage in vitro and in vivo. Biochemical and biophysical research communications, 2005. 328(1): 258-264. [
DOI:10.1016/j.bbrc.2004.12.158] 
55. Romanov, Y.A., V.A. Svintsitskaya, and V.N. Smirnov, Searching for alternative sources of postnatal human mesenchymal stem cells: candidate MSC-like cells from umbilical cord. Stem cells, 2003. 21(1): 105-110. [
DOI:10.1634/stemcells.21-1-105] 
56. Zeddou, M., et al., The umbilical cord matrix is a better source of mesenchymal stem cells (MSC) than the umbilical cord blood. Cell biology international, 2010. 34(7): 693-701. [
DOI:10.1042/CBI20090414]