IL-10 VARIANT MOLECULES AND METHODS FOR TREATING INFLAMMATORY DISEASE AND ONCOLOGY

1 . A fusion protein of formula (I-VII)

(Formula I)

IL10-L 1 -X 1 -L 1 -X 2 -L 1 -IL10  1);

(Formula II)

(Z) n -X 1 -L 2 -Y 2 -L 1 -IL10  2);

(Formula III)

IL10-L 1 -Y 1 -L 2 -X 2 -(Z) n    3 );

(Formula IV)

X 1 -L 2 -X 2 -L 1 -IL10  4);

(Formula V)

IL10-L 1 -X 1 -L 2 -X 2   5);

(Formula VI)

X 1 -L 1 -IL10  6); and

(Formula VII)

IL10-L 1 -X 2   7)

or any combination thereof;

wherein

“IL-10” is a monomer sequence selected from SEQ ID Nos: 1, 3, 14, 15, 16, 18, 19, 55, 57, or 59;

“L 1 ” is a linker of SEQ ID No: 31 or 54;

“L 2 ” is a linker of SEQ ID No: 30;

“X 1 ” is a VH region obtained from a first antibody specific for epidermal growth factor receptor (EGFR); CD52; various immune check point targets, such as but not limited to PD-L1, PD-1, TIM3, BTLA, LAG3 or CTLA4; CD20; CD47;GD-2; HER2; EpCAM; ICAM (ICAM-1, -2, -3, -4, -5), VCAM, FAPα; 5T4; Trop2; EDB-FN; TGFβ Trap; MadCam, 37 integrin subunit; α4β7 integrin; α4 integrin SR-A1; SR-A3; SR-A4; SR-A5; SR-A6; SR-B; dSR-C1; SR-D1; SR-E1; SR-F1; SR-F2; SR-G; SR-H1; SR-H2; SR-I1; SR-J1; HIV, or Ebola;

“X 2 ” is a VL region obtained from the same antibody as X 1 ;

“Y 1 ” is VH region obtained from a second antibody specific for epidermal growth factor receptor (EGFR); CD52; various immune check point targets, such as but not limited to PD-L1, PD-1, TIM3, BTLA, LAG3 or CTLA4; CD20; CD47;GD-2; HER2; EpCAM; ICAM (ICAM-1, -2, -3, -4, -5), VCAM, FAPα; 5T4; Trop2; EDB-FN; TGFβ Trap; MadCam, β7 integrin subunit; α4β7 integrin; α4 integrin SR-A1; SR-A3; SR-A4; SR-A5; SR-A6; SR-B; dSR-C1; SR-D1; SR-E1; SR-F1; SR-F2; SR-G; SR-H1; SR-H2; SR-I1; SR-J1; HIV, or Ebola;

“Y 2 ” is a VL region obtained from the same antibody as Y 1 ;

wherein X and Y are obtained from the same or different antibody;

“Z” is a cytokine selected from IL-6, IL-4, IL-1, IL-2, IL-3, IL-5, IL-7, IL-8, IL-9, IL-15, IL-26, IL-27, IL-28, IL-29, GM-CSF, G-CSF, interferons -α, -β, -γ, TGF-β, or tumor necrosis factors -α, -β, basic FGF, EGF, PDGF, IL-4, IL-11, or IL-13;

“n” is an integer selected from 0-2.

2 . The fusion protein according to claim 1 , wherein formula II and III are capable of forming a fusion protein complex where the IL-10 monomer from each of formula II and III are capable of forming a functional homodimeric IL-10 or variant thereof.

3 . The fusion protein according to claim 2 , wherein formula II is SEQ ID Nos: 24, 26, 28, 41, 48, or 50.

4 . The fusion protein according to claim 2 , wherein formula III is SEQ ID Nos: 25, 27, 29, 42, 49, or 51.

5 . The fusion protein according to claim 2 , wherein the fusion protein complex is formed between SEQ ID Nos: 24 and 25; 26 and 27, 28 and 29; 41 and 42; 48 and 49; or 50 and 51.

6 . The fusion protein according to claim 1 , wherein formula IV and V are capable of forming a fusion protein complex where the IL-10 monomer from each of formula IV and V are capable of forming a functional homodimeric IL-10 or variant thereof.

7 . The fusion protein according to claim 6 , wherein formula IV is SEQ ID Nos: 35, 38, 46, 48, or 50.

8 . The fusion protein according to claim 6 , wherein formula V is SEQ ID Nos: 36, 39, 47, 49, or 51.

9 . The fusion protein according to claim 6 , wherein the fusion protein complex is formed between SEQ ID Nos: 35 and 36; 38 and 39, 46 and 47; 48 and 49; or 50 and 51.

10 . The fusion protein according to claim 1 , wherein formula VI and VII are capable of forming a fusion protein complex where the IL-10 monomer from each of formula VI and VII are capable of forming a functional homodimeric IL-10 or variant thereof.

11 . The fusion protein according to claim 1 , wherein formula I is SEQ ID Nos: 33-34, 40, 43-44, 45, 52 or 53.

12 . The fusion protein according to claim 1 , wherein “n”≥1 and Z is IL-2, Il-7, IL-12, IL-15 or any combination thereof.

13 . The fusion protein according to claim 12 , wherein Z is conjugated onto the N-terminal end of X 1 , Y 1 , or both.

14 . A method of treating cancer comprising administering to a patient in need thereof a composition comprising a fusion protein according to claim 1 .

15 . The method according to claim 14 , wherein the fusion protein is SEQ ID Nos: 28-29, 35-36, 38-39, 46-47, 52, 53, 61, 63, 65, or 67.

16 . The method according to claim 15 , wherein the fusion protein forms a protein complex and the protein complex is formed between SEQ ID Nos: 28 and 29; 35 and 36; 38 and 39;

or 46 and 47.

17 . The method according to claim 14 , wherein the fusion protein comprises an IL-10 consisting of DV07 of SEQ ID No. 59.

18 . A method of treating inflammatory disease comprising administering to a patient in need thereof a composition comprising a fusion protein according to claim 1 .

19 . The method according to claim 17 , wherein the fusion protein is SEQ ID Nos: 26-27, 41-42, 48, or 49.

20 . The method according to claim 18 , wherein the fusion protein forms a protein complex and the protein complex is formed between SEQ ID Nos: 26 and 27; 41 and 42; 48 and 49.

21 . The method according to claim 18 , wherein the composition comprises a fusion protein of SEQ ID Nos: 37, 40, or 43.

22 . The method according to claim 18 , wherein the fusion protein comprises an IL-10 consisting of DV06 of SEQ ID No. 57.

23 . A method of treating a lipid based disease comprising administering to a patient in need thereof a composition comprising a fusion protein according to claim 1 .

24 . The method according to claim 23 , wherein the fusion protein is SEQ ID Nos: 24-25, 50 or 51.

25 . The method according to claim 24 , wherein the fusion protein forms a protein complex and the protein complex is formed between SEQ ID Nos: 24 and 25; and 50 and 51.

26 . The method according to claim 23 . wherein the composition comprises a fusion protein of SEQ ID No: 45.