Abstract: The present invention relates to the field of tumor treatment and immunology biology. Provided are a pharmaceutical combination containing an anti-PD-1-anti-VEGFA bispecific antibody, and the use thereof. Specifically, the pharmaceutical combination comprises at least one bispecific antibody and at least one PARP inhibitor, wherein the bispecific antibody comprises a first protein functional region for targeting PD-1 and a second protein functional region for targeting VEGFA; and according to the EU numbering system, the heavy chain constant region of an immunoglobulin contained in the bispecific antibody is mutated at two sites, i.e. site 234 and site 235, and after mutation, the affinity constant of the bispecific antibody to Fc?RI, Fc?RIIa, Fc?RIIIa and/or C1q is reduced compared with the affinity constant of the bispecific antibody thereto before mutation.

Abstract: The present invention belongs to the field of biomedicine, and relates to an anti-LAG3 antibody, a pharmaceutical composition containing same, and the use thereof. Specifically, the present invention relates to an anti-LAG3 antibody or an antigen binding fragment thereof, wherein the antibody comprises a heavy chain variable region and a light chain variable region, the heavy chain variable region comprises HCDR1-HCDR3 having amino acid sequences as shown in SEQ ID NOs: 9-11, respectively, and the light chain variable region comprises LCDR1-LCDR3 having amino acid sequences as shown in SEQ ID NOs: 12-14, respectively. The anti-LAG3 antibody of the present invention has superior affinity and specificity, and has good application prospects.

Abstract: An anti-PD1 (programmed cell death 1) monoclonal antibody or an antigen-binding fragment thereof, a pharmaceutical composition thereof and use thereof. The heavy chain variable region of the monoclonal antibody comprises CDRs (complementary determining region) of amino acid sequences as shown in SEQ ID NO:9-11; and/or the light chain variable region of the monoclonal antibody comprises CDRs of amino acid sequences as shown in SEQ ID NO: 12-14. The monoclonal antibody can bind to PD1 specifically, relieve immunosuppression of PD1 on an organism specifically and activate T lymphocytes.

Abstract: The present invention relates to the field of pharmaceuticals, particularly to an anti-TIGIT antibody, a pharmaceutical composition, and use thereof, and more particularly to use in combination with an anti-PD-1/anti-VEGFA antibody in preventing or treating a tumor. Specifically, the present invention relates to an anti-TIGIT antibody or an antigen-binding fragment thereof, wherein the antibody comprises a heavy chain variable region comprising HCDR1-HCDR3 having amino acid sequences set forth in SEQ ID NOs: 3-5, respectively; and the antibody comprises a light chain variable region comprising LCDR1-LCDR3 having amino acid sequences set forth in SEQ ID NOs: 8-10, respectively. The antibody of the present invention can effectively bind to TIGIT and has the potential for use in tumor prevention and treatment.

Abstract: The present application relates to the fields of tumor treatment and molecular immunology, and specifically, to an anti-VEGFA/PD-1 bifunctional antibody, a pharmaceutical composition thereof and use thereof. Specifically, the anti-VEGFA/PD-1 bifunctional antibody comprises an antibody or antigen binding fragment thereof targeting VEGFA and an antibody or antigen binding fragment thereof targeting PD-1. The bifunctional antibody can specifically bind to VEGFA and PD-1, specifically relieve immunosuppression of VEGFA and PD-1 in an organism, and inhibit tumor-induced angiogenesis.

Abstract: Provided are an anti-LAG3 antibody bispecific antibody, a pharmaceutical composition thereof and a use thereof, which belong to the field of biomedicine. Specifically, the bispecific antibody comprises a first protein functional domain and a second protein functional domain, wherein the first protein functional domain targets LAG3, and the second protein functional domain targets a target that is different from LAG3, the first protein functional domain is an anti-LAG3 antibody or an antigen-binding fragment thereof and contains a heavy chain variable region and a light chain variable region, the heavy chain variable region contains HCDR1-HCDR3 the amino acid sequences of which are respectively represented by SEQ ID NOs: 5-7. In addition, the light chain variable region contains LCDR1-LCDR3 the amino acid sequences of which are respectively represented by SEQ ID NOs: 8-10. The bispecific antibody has excellent affinity and specificity, and has good application prospects.

Abstract: A pharmaceutical composition comprising an anti-TIGIT antibody or an antigen-binding fragment thereof, and an anti-CTLA4-anti-PD-1 bispecific antibody or an antigen-binding fragment thereof. Specifically, a heavy chain variable region of the antibody contains HCDR1-HCDR3 having amino acid sequences as shown in SEQ ID NOs: 3-5, respectively, and a light chain variable region contains LCDR1-LCDR3 having amino acid sequences as shown in SEQ ID NOs: 8-10, respectively.

Abstract: An anti-PDl (programmed cell death 1) monoclonal antibody or an antigen-binding fragment thereof, a pharmaceutical composition thereof and use thereof. The heavy chain variable region of the monoclonal antibody comprises CDRs (complementary determining region) of amino acid sequences as shown in SEQ ID NO:9-11; and/or the light chain variable region of the monoclonal antibody comprises CDRs of amino acid sequences as shown in SEQ ID NO: 12-14. The monoclonal antibody can bind to PDl specifically, relieve immunosuppression of PDl on an organism specifically and activate T lymphocytes.

Abstract: The present disclosure relates to an anti-CD73 antibody and application thereof in treating diseases caused by coronavirus infection. Specifically, a heavy chain variable region of the antibody contains amino acid sequences such as HCDR1-HCDR3 as shown in SEQ ID NOs:15-17; and the light chain variable region of the antibody contains amino acid sequences such as LCDR1-LCDR3 as shown in SEQ ID NOs: 18-20.

Abstract: The present invention relates to a bispecific antibody against CTLA4 and PD-1, wherein the antibody is used for treating tumors, is administered in combination with an anti-VEGFR2 monoclonal antibody or an anti-VEGF monoclonal antibody, and comprises a first protein functional region targeting PD-1 and a second protein functional region targeting CTLA4, the first protein functional region being an immunoglobulin and the second protein functional region being a single-chain antibody, or the first protein functional region being a single-chain antibody and the second protein functional region being an immunoglobulin.

Abstract: Provided are antibodies or antigen binding fragments thereof, which can bind to human IL-1?, block the binding of IL-1? to receptors thereof and thereby down regulate the activity of IL-1?, and can be used to prepare drugs for the treatment of immune diseases mediated by IL-1? overexpression such as arthritis, osteoporosis, and tumor necrosis factor receptor-associated periodic syndrome.

Abstract: The present invention belongs to the field of tumor treatment and molecular immunology, and specifically relates to a therapeutic combination and use thereof. Specifically, the therapeutic combination comprises an anti-CTLA4-anti-PD-1 bispecific antibody and an anti-PD-1-anti-VEGFA bispecific antibody. The therapeutic combination of the present invention can effectively treat or prevent a tumor and has good application prospects.

Abstract: An anti-CD47 monoclonal antibody and the use thereof in combination with a monoclonal antibody, a bispecific antibody and/or a tumor therapeutic agent, wherein the anti-CD47 monoclonal antibody is secreted by a hybridoma cell line with a deposit number of CCTCC NO: C2018135.

Abstract: The present invention discloses a monoclonal antibody against nerve growth factor, and an encoding gene and use thereof. The monoclonal antibody comprises heavy chains comprising a heavy chain constant region and a heavy chain variable region, and light chains comprising a light chain constant region and a light chain variable region. The heavy chain variable region comprises three complementarity determining regions HCDR1, HCDR2 and HCDR3, and the light chain variable region comprises three complementarity determining regions LCDR1, LCDR2 and LCDR3. The monoclonal antibody can specifically bind to nerve growth factor, and can be used to detect the presence and/or level of nerve growth factor, as well as to prepare a drug for inhibiting the nerve growth factor-dependent proliferation of TF-1 cells, and for treating or preventing at least one of neuropathic pain, chronic pain, and inflammatory pain, thus having good application prospects and marketing value.

Abstract: An anti-CD73 antibody and the use thereof. The heavy chain variable region of the antibody comprises HCDR1-HCDR3 having amino acid sequences as shown in SEQ ID NOs: 15-17; and the light chain variable region of the antibody comprises LCDR1-LCDR3 having amino acid sequences as shown in SEQ ID NOs: 18-20.

Abstract: An anti-CTLA4 (cytotoxic T lymphocyte associated antigen 4) and anti-PD-1 (programmed cell death 1) bifunctional antibody. a pharmaceutical composition thereof and use thereof. Particularly, the anti-CLTA4 and anti-PD-1 bifunctional antibody comprises a first protein functional domain that targets PD-1 and a second protein functional domain that targets CTLA-4. The bifunctional antibody can bind to CTLA-4 and PD-1 specifically, relieve immunosuppression of CTLA4 and PD-1 on an organism specifically, activate T lymphocytes, and thus has good application prospects.

Abstract: An ant-TIGIT antibody, and a pharmaceutical composition and the use thereof. The present invention relates to an anti-TIGIT antibody or an antigen-binding fragment thereof, wherein a heavy chain variable region of the antibody comprises HCDR1-HCDR3 having amino acid sequences as shown in SEQ ID NOs: 3-5, respectively; and a light chain variable region of the antibody comprises LCDR1-LCDR3 having amino acid sequences as shown in SEQ ID NOs: 8-10, respectively. The antibody can effectively bind to TIGIT and has the potential for use in tumor prevention and treatment.

Abstract: The present application relates to the fields of tumor treatment and molecular immunology, and specifically, to an anti-VEGFA/PD-1 bifunctional antibody, a pharmaceutical composition thereof and use thereof. Specifically, the anti-VEGFA/PD-1 bifunctional antibody comprises a first protein functional region targeting VEGFA and a second protein functional region targeting PD-1. The bifunctional antibody can specifically bind to VEGFA and PD-1, specifically relieve immunosuppression of VEGFA and PD-1 in an organism, and inhibit tumor-induced angiogenesis, thus having good application prospect.

Abstract: Provided are an anti-PCSK9 antibody and a use thereof preferably for the treatment of hypercholesterolemia.

Abstract: The present invention relates to an anti-human interleukin-4-receptor A antibody, a pharmaceutical composition or a kit comprising the antibody, and use thereof.