摘要:
Entry of HIV-1 into target cells requires cell surface CD4 as well as additional host cell cofactors. A cofactor required for infection with virus adapted for growth in transformed T cell lines was recently identified and named fusin. Fusin, however, does not promote entry of macrophage-tropic viruses that are believed to be the key pathogenic strains in vivo. It has now been determined that the principal cofactor for entry mediated by the envelope glycoproteins of primary macrophage-tropic strains of HIV-1 is CC-CKR5, a receptor for the &bgr;-chemokines RANTES, MIP-1&agr;, and MIP-1&bgr;.
摘要:
Entry of HIV-1 into target cells requires cell surface CD4 as well as additional host cell cofactors. A cofactor required for infection with virus adapted for growth in transformed T cell lines was recently identified and named fusin. Fusin, however, does not promote entry of macrophage-tropic viruses that are believed to be the key pathogenic strains in vivo. It has now been determined that the principal cofactor for entry mediated by the envelope glycoproteins of primary macrophage-tropic strains of HIV-1 is CC-CKR5, a receptor for the β-chemokines RANTES, MIP-1α, and MIP-1β.
摘要:
Entry of HIV-1 into target cells requires cell surface CD4 as well as additional host cell cofactors. A cofactor required for infection with virus adapted for growth in transformed T cell lines was recently identified and named fusin. Fusin, however, does not promote entry of macrophage-tropic viruses that are believed to be the key pathogenic strains in vivo. It has now been determined that the principal cofactor for entry mediated by the envelope glycoproteins of primary macrophage-tropic strains of HIV-1 is CC-CKR5, a receptor for the .beta.-chemokines RANTES, MIP-1.alpha., and MIP-1.beta..
摘要:
The present invention provides two new HIV/SIV translocation promoting agents, Bonzo and BOB. The present invention also provides the amino acid and DNA sequences of human, African green monkey, and pigtail macaque of the receptor protein Bonzo. Mammalian cells transfected with Bonzo and/or BOB and human CD4 as well as antibodies to the receptor Bonzo are also included. Furthermore, a method of identifying other such translocation promoting agents is also disclosed. Diagnostic and therapeutic uses of the translocation promoting agents of the present invention are also provided. Furthermore, the present invention provides methods of identifying agents that can modulate the expression and/or function of Bonzo/STRL33. Such agents can be used to either treat inflamation, or alternatively, to enhance the immune response.
摘要:
The present invention provides two new HIV/SIV translocation promoting agents, Bonzo and BOB. The present invention also provides the amino acid and DNA sequences of human, African green monkey, and pigtail macaque of the receptor protein Bonzo. Mammalian cells transfected with Bonzo and/or BOB and human CD4 as well as antibodies to the receptor Bonzo are also included. Furthermore, a method of identifying other such translocation promoting agents is also disclosed. Diagnostic and therapeutic uses of the translocation promoting agents of the present invention are also provided.
摘要:
The present invention provided a simple three-step approach based on the combinational induction with activin A, all-trans retinoic acid and, optionally, other maturation factors which are able to induce embryonic stem cells to differentiate into insulin-producing cells. A kit used to induce embryonic stem cells to differentiate into insulin-producing cells was also provided.
摘要:
The present invention features methods of modulating primary stem cell differentiation in culture by altering the endogenous activity of an insulin-like growth factor.
摘要:
The present invention discloses a method for inducing the differentiation of embryonic stem cells (ESC) or induced pluripotent stem cells (iPS cells) into hepatocytes, a method for inducing the differentiation of embryonic stem cells or induced pluripotent stem cells into hepatic endoderm cells, and a method for inducing the differentiation of embryonic stem cells (ESC) or induced pluripotent stem cells into hepatic progenitor cells. The present invention also provides the hepatocytes, hepatic endoderm cells and hepatic progenitor cells obtained by above methods, and the uses of these cells.
摘要:
The present invention provided a simple three-step approach based on the combinational induction with activin A, all-trans retinoic acid and, optionally, other maturation factors which are able to induce embryonic stem cells to differentiate into insulin-producing cells. A kit used to induce embryonic stem cells to differentiate into insulin-producing cells was also provided.