Immunogenic compositions and use thereof

Patent metadata

Field	Value
Publication number	US-12419948-B2
Application number	US-202117463429-A
Country	US
Kind code	B2
Filing date	Aug 31, 2021
Priority date	Aug 31, 2020
Publication date	Sep 23, 2025
Grant date	Sep 23, 2025

Abstract

Immunogenic compositions comprising one or more polypeptides, wherein the one or more polypeptides: is capable of binding to Major Histocompatibility Complex (MHC) class I, and is derived from one or more proteins of SARS-COV-2. Also provided include methods of treating and preventing diseases using the immunogenic compositions.

First claim

What is claimed is:

1. An immunogenic composition comprising:
one or more vectors each comprising one or more polynucleotides encoding one or more polypeptides, wherein the one or more polypeptides:
a. is capable of binding to Major Histocompatibility Complex (MHC) class I,
b. is derived from one or more proteins of SARS-COV-2 by expression of an internal out-of-frame open reading frame (ORF) of SARS-COV-2, wherein the internal out-of-frame ORF is S.iORF1 or S.iORF2, and
c. wherein at least one polypeptide of the one or more polypeptides derived from expression of S.iORF1 is MLLGSMLYM (SEQ ID NO: 4); or wherein at least one polypeptide of the one or more polypeptides is derived from expression of S.iORF1 or S.iORF2 is GPMVLRGLIT (SEQ ID NO: 6) or GLITLSYHL (SEQ ID NO: 5).

2. The immunogenic composition of claim 1 , wherein the MHC class I is Human Leukocyte Antigen class I (HLA-I).

3. The immunogenic composition of claim 2 , wherein the HLA-I is encoded by an HLA allele having a prediction rank score ranking cut-off of 0.1% or greater as determined with HLAthena.

4. The immunogenic composition of claim 2 , wherein the HLA-1 is encoded by HLA-A*02:01, HLA-A*25:01, HLA-A*30:01, HLA-B*18:01, HLA-B*44:03, HLA-C*12:03, HLA-B*16:01, HLA-A*02:01, HLA-B*07:02, HLA-C*07:02; HLA-A*01:01; HLA-A*02:06; HLA-A*26:01; HLA-A*02:07; HLA-A*29:02; HLA-A*02:03; HLA-A*30:02; HLA-A*32:01; HLA-A*68:02; HLA-A*02:05; HLA-A*02:02; HLA-A*36:01; HLA-A*02:11; HLA-A*02:04; HLA-B*35:01; HLA-B*51:01; HLA-B*40:01; HLA-B*40:02; HLA-B*07:02; HLA-B*07:04; HLA-B*08:01; HLA-B*13:01; HLA-B*46:01; HLA-B*52:01; HLA-B*44:02; HLA-B*40:06; HLA-B*13:02; HLA-B*56:01; HLA-B*54:01; HLA-B*15:02; HLA-B*35:07; HLA-B*27:05; HLA-B*15:03; HLA-B*42:01; HLA-B*55:02; HLA-B*45:01; HLA-B*50:01; HLA-B*35:03; HLA-B*49:01; HLA-B*58:02; HLA-B*15:17; HLA-C*57:02; HLA-C*04:01; HLA-C*03:04; HLA-C*01:02; HLA-C*07:01; HLA-C*06:02; HLA-C*03:03; HLA-C*08:01; HLA-C*15:02; HLA-C*12:02; HLA-C*02:02; HLA-C*05:01; HLA-C*03:02; HLA-C*16:01; HLA-C*08:02; HLA-C*04:03; HLA-C*17:01; or HLA-C*17:04.

5. The immunogenic composition of claim 2 , wherein the HLA-1 is encoded by HLA-A*02:01, HLA-A*25:01, HLA-A*30:01, HLA-B*18:01, HLA-B*44:03, HLA-C*12:03, HLA-B*16:01, HLA-A*02:01, HLA-B*07:02, or HLA-C*07:02.

6. The immunogenic composition of claim 1 , wherein one or more of the one or more polypeptides is capable of stimulating a T-cell response.

7. The immunogenic composition of claim 1 , wherein at least one polypeptide of the one or more polypeptides derived from expression of S.iORF1 or S.iORF2 comprises one or more oxidized methionines.

8. The immunogenic composition of claim 7 , wherein the at least one polypeptide is SEQ ID NO: 193 or 204.

9. The immunogenic composition of claim 1 , wherein the one or more polypeptides are expressed and/or is bound by MHC-I 0-12, 0-11, 0-10, 0-9, 0-8, 0-7, 0-6, 0-5, 0-4, 0-3, 0-2, or 0-1 hours post infection.

10. The immunogenic composition of claim 1 , wherein the immunogenic composition is a synthetic mRNA vaccine.

11. The immunogenic composition of claim 1 , further comprising one or more SARS-COV-2 antigenic polypeptides capable of stimulating production of an antibody targeting SARS-COV-2, or one or more polynucleotides encoding the one or more SARS-COV-2 antigenic polypeptides.

12. The composition of claim 11 , wherein the one or more SARS-CoV-2 antigenic polypeptides are from a nucleocapsid phosphoprotein of SARS-COV-2, a spike glycoprotein of SARS-COV-2, or a combination thereof.

13. A therapeutic composition comprising:
the immunogenic composition of claim 1 ;
one or more SARS-COV-2 antigenic polypeptides capable of stimulating production of an antibody targeting SARS-COV-2, or one or more polynucleotides encoding the one or more SARS-COV-2 antigenic polypeptides; and
an anti-viral therapeutic.

14. The composition of claim 13 , wherein the immunogenetic composition is formulated as a synthetic mRNA vaccine and wherein one or more polynucleotides encoding the one or more antigenic polypeptides are mRNA.

15. A method of treating or inhibiting a SARS-CoV-2 infection in a subject in need thereof comprising: administering, to the subject in need thereof, the immunogenic composition of claim 1 and one or more antigenic components capable of stimulating production of an antibody targeting SARS-COV-2; and an anti-viral therapeutic.

16. An immunogenic composition comprising:
a delivery vehicle comprising:
one or more polypeptides, one or more polynucleotides each encoding one or more of the one or more polypeptides, or any combination thereof, wherein the one or more polypeptides:
a. is capable of binding to Major Histocompatibility Complex (MHC) class I, and
b. is derived from one or more proteins of SARS-COV-2 by expression of an internal out-of-frame open reading frame (ORF) of SARS-COV-2, wherein the internal out-of-frame ORF is S.iORF1 or S.iORF2, and
wherein at least one polypeptide of the one or more polypeptides derived from expression of S.iORF1 is MLLGSMLYM (SEQ ID NO: 4); or wherein at least one polypeptide of the one or more polypeptides is derived from expression of S.iORF1 or S.iORF2 is GPMVLRGLIT (SEQ ID NO: 6) or GLITLSYHL (SEQ ID NO: 5).

17. The immunogenic composition of claim 16 , wherein the MHC class I is Human Leukocyte Antigen class I (HLA-I).

18. The immunogenic composition of claim 17 , wherein the HLA-1 is encoded by HLA-A*02:01, HLA-A*25:01, HLA-A*30:01, HLA-B*18:01, HLA-B*44:03, HLA-C*12:03, HLA-B*16:01, HLA-A*02:01, HLA-B*07:02, HLA-C*07:02; HLA-A*01:01; HLA-A*02:06; HLA-A*26:01; HLA-A*02:07; HLA-A*29:02; HLA-A*02:03; HLA-A*30:02; HLA-A*32:01; HLA-A*68:02; HLA-A*02:05; HLA-A*02:02; HLA-A*36:01; HLA-A*02:11; HLA-A*02:04; HLA-B*35:01; HLA-B*51:01; HLA-B*40:01; HLA-B*40:02; HLA-B*07:02; HLA-B*07:04; HLA-B*08:01; HLA-B*13:01; HLA-B*46:01; HLA-B*52:01; HLA-B*44:02; HLA-B*40:06; HLA-B*13:02; HLA-B*56:01; HLA-B*54:01; HLA-B*15:02; HLA-B*35:07; HLA-B*27:05; HLA-B*15:03; HLA-B*42:01; HLA-B*55:02; HLA-B*45:01; HLA-B*50:01; HLA-B*35:03; HLA-B*49:01; HLA-B*58:02; HLA-B*15:17; HLA-C*57:02; HLA-C*04:01; HLA-C*03:04; HLA-C*01:02; HLA-C*07:01; HLA-C*06:02; HLA-C*03:03; HLA-C*08:01; HLA-C*15:02; HLA-C*12:02; HLA-C*02:02; HLA-C*05:01; HLA-C*03:02; HLA-C*16:01; HLA-C*08:02; HLA-C*04:03; HLA-C*17:01; or HLA-C*17:04.

19. The immunogenic composition of claim 17 , wherein the HLA-1 is encoded by HLA-A*02:01, HLA-A*25:01, HLA-A*30:01, HLA-B*18:01, HLA-B*44:03, HLA-C*12:03, HLA-B*16:01, HLA-A*02:01, HLA-B*07:02, or HLA-C*07:02.

20. The immunogenic composition of claim 16 , wherein one or more of the one or more polypeptides is capable of stimulating a T-cell response.

21. The immunogenic composition of claim 16 , wherein at least one polypeptide of the one or more polypeptides derived from expression of S.iORF1 or S.iORF2 comprises one or more oxidized methionines.

22. The immunogenic composition of claim 21 , wherein the at least one polypeptide is SEQ ID NO: 193 or 204.

23. The immunogenic composition of claim 16 , further comprising one or more SARS-CoV-2 antigenic polypeptides capable of stimulating production of an antibody targeting SARS-CoV-2, or one or more polynucleotides encoding the one or more SARS-COV-2 antigenic polypeptides.

24. The immunogenic composition of claim 23 , wherein the one or more SARS-COV-2 antigenic polypeptides are from a nucleocapsid phosphoprotein of SARS-COV-2, a spike glycoprotein of SARS-COV-2, or a combination thereof.

Assignees

• Broad Inst Inc
• Harvard College
• Massachusetts Gen Hospital
• Univ Boston

Inventors

• Sabeti Pardis
• Weingarten-Gabbay Shira
• Klaeger Susan
• Abelin Jenn
• SAEED Mohsan
• Hacohen Nir
• Sarkizova Siranush
• Carr Steven
• Clauser Karl

Classifications

• G01N33/56983

  Viruses · CPC title

• G01N2333/165

  Coronaviridae, e.g. avian infectious bronchitis virus · CPC title

• A61K2039/53

  DNA (RNA) vaccination · CPC title

• G01N33/6818

  Sequencing of polypeptides · CPC title

• G01N2800/26

  Infectious diseases, e.g. generalised sepsis · CPC title