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Chimeric Plant Based Virus Like Particles, And Uses Thereof

Abstract: The present disclosure provides chimeric virus-like-particles (VLPs) based on non-human pathogenic plant viruses, which can be used for virus mediated delivery of cargo molecules, such as antibodies. In particular, the instant disclosure provides various chimeric VLPs based on the Sesbania mosaic virus or the Pepper vein banding virus fused with domains from the SpA protein from Staphylocccus.

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Notices, Deadlines & Correspondence

Patent Information

Application #
Filing Date
22 September 2015
Publication Number
48/2017
Publication Type
INA
Invention Field
BIOTECHNOLOGY
Status
Email
lsmds@lakshmisri.com
Parent Application
Patent Number
Legal Status
Grant Date
2023-08-29
Renewal Date

Applicants

INDIAN INSTITUTE OF SCIENCE
INDIAN INSTITUTE OF SCIENCE, Bangalore, Karnataka 560 012, India

Inventors

1. SAVITHRI, Handanahal Subbarao
DEPARTMENT OF BIOCHEMISTRY, INDIAN INSTITUTE OF SCIENCE, Bangalore, Karnataka 560 012, India
2. NATRAJ, Usha
DEPARTMENT OF BIOCHEMISTRY, INDIAN INSTITUTE OF SCIENCE, Bangalore, Karnataka 560 012, India
3. ABRAHAM, Ambily
DEPARTMENT OF BIOCHEMISTRY, INDIAN INSTITUTE OF SCIENCE, Bangalore, Karnataka 560 012, India

Specification

DESC:CHIMERIC PLANT BASED VIRUS-LIKE-PARTICLES, AND USES THEREOF ,CLAIMS:1. A virus-like-particle (VLP) comprising:
a. a first viral coat protein (CP) having amino acid sequence selected from the group consisting of SEQ ID NO: 1, SEQ ID NO: 3, SEQ ID NO: 5, SEQ ID NO: 117 and SEQ ID NO: 119 and,
b. at least one Staphylococcus protein A (SpA) domain having amino acid sequence selected from the group consisting of SEQ ID NO: 7, and SEQ ID NO: 9,
wherein said first viral CP is fused to said at least one SpA domain.
2. The VLP as claimed in claim 1, wherein
a. said at least one SpA domain is fused to N-terminal end of said first viral CP; or
b. said at least one SpA domain is fused to C-terminal end of said first viral CP; or
c. said at least one SpA domain is integrated within the said first viral CP; or
d. said at least one SpA domain is integrated at N and C termini of said first viral CP; or
e. said at least one SpA domain is integrated at N-terminal, C-terminal and within said first viral CP; or
f. said at least one SpA domain is integrated at N-terminal and within said first viral CP; or
g. said at least one SpA domain is integrated at C-terminal and within said first viral CP.
3. The VLP as claimed in any of the claims 1-2, wherein said first viral CP is encoded by a polynucleotide sequence selected from the group consisting of SEQ ID NO: 2, SEQ ID NO: 4, SEQ ID NO: 6, SEQ ID NO: 118 and SEQ ID NO: 120 and said at least one SpA domain is encoded by a polynucleotide sequence selected from the group consisting of SEQ ID NO: 8, and SEQ ID NO: 10.
4. A virus-like-particle (VLP) having amino acid sequence selected from the group consisting of SEQ ID NO: 11, SEQ ID NO:SEQ ID NO: 13, SEQ ID NO: 15, SEQ ID NO: 17, SEQ ID NO: 19, SEQ ID NO: 21, SEQ ID NO: 23, SEQ ID NO: 25, SEQ ID NO: 27, SEQ ID NO: 29, SEQ ID NO: 31, SEQ ID NO: 33, SEQ ID NO: 35, SEQ ID NO: 37, SEQ ID NO: 39, SEQ ID NO: 41, SEQ ID NO: 43, SEQ ID NO: 45, SEQ ID NO: 47, SEQ ID NO: 49, SEQ ID NO: 51, SEQ ID NO: 53, SEQ ID NO: 55, SEQ ID NO: 57, SEQ ID NO: 59, SEQ ID NO: 61, SEQ ID NO: 63, SEQ ID NO: 65, SEQ ID NO: 67, SEQ ID NO: 69, SEQ ID NO: 71, SEQ ID NO: 73, SEQ ID NO: 75, SEQ ID NO: 77, SEQ ID NO: 79, SEQ ID NO: 81, SEQ ID NO: 83, SEQ ID NO: 85, SEQ ID NO: 87, SEQ ID NO: 89, SEQ ID NO: 91, SEQ ID NO: 93, SEQ ID NO: 95, SEQ ID NO: 97, SEQ ID NO: 99, SEQ ID NO: 101, SEQ ID NO: 103, SEQ ID NO: 105, SEQ ID NO: 107, SEQ ID NO: 109, SEQ ID NO: 111, SEQ ID NO:113, SEQ ID NO:115, SEQ ID NO:121, SEQ ID NO:123, SEQ ID NO:125, SEQ ID NO:127, SEQ ID NO:129, SEQ ID NO:131, SEQ ID NO:133, SEQ ID NO:135, SEQ ID NO:137, SEQ ID NO:139, SEQ ID NO:141, SEQ ID NO:143, SEQ ID NO:145, SEQ ID NO:147, SEQ ID NO:149, SEQ ID NO:151, SEQ ID NO:153, SEQ ID NO:155, SEQ ID NO:157, and SEQ ID NO:159.
5. The VLP as claimed in claim 4, wherein said VLP is encoded by a polynucleotide sequence selected from the group consisting of SEQ ID NO: 12, SEQ ID NO: 14, SEQ ID NO: 16, SEQ ID NO: 18, SEQ ID NO: 20, SEQ ID NO: 22, SEQ ID NO: 24, SEQ ID NO: 26, SEQ ID NO: 28, SEQ ID NO: 30, SEQ ID NO: 32, SEQ ID NO: 34, SEQ ID NO: 36, SEQ ID NO: 38, SEQ ID NO: 40, SEQ ID NO: 42, SEQ ID NO: 44, SEQ ID NO: 46, SEQ ID NO: 48, SEQ ID NO: 50, SEQ ID NO: 52, SEQ ID NO: 54, SEQ ID NO: 56, SEQ ID NO: 58, SEQ ID NO: 60, SEQ ID NO: 62, SEQ ID NO: 64, SEQ ID NO: 66, SEQ ID NO: 68, SEQ ID NO: 70, SEQ ID NO: 72, SEQ ID NO: 74, SEQ ID NO: 76, SEQ ID NO: 78, SEQ ID NO: 80, SEQ ID NO: 82, SEQ ID NO: 84, SEQ ID NO: 86, SEQ ID NO: 88, SEQ ID NO: 90, SEQ ID NO: 92, SEQ ID NO: 94, SEQ ID NO: 96, SEQ ID NO: 98, SEQ ID NO: 100, SEQ ID NO: 102, SEQ ID NO: 104, SEQ ID NO: 106, SEQ ID NO: 108, SEQ ID NO: 110, SEQ ID NO: 112. SEQ ID NO:114, SEQ ID NO:116, SEQ ID NO:122, SEQ ID NO:124, SEQ ID NO:126, SEQ ID NO:128, SEQ ID NO:130, SEQ ID NO:132, SEQ ID NO:134, SEQ ID NO:136, SEQ ID NO:138, SEQ ID NO:140, SEQ ID NO:142, SEQ ID NO:144, SEQ ID NO:146, SEQ ID NO:148, SEQ ID NO:150, SEQ ID NO:152, SEQ ID NO:154, SEQ ID NO:156, SEQ ID NO:158 and SEQ ID NO:160.
6. A DNA construct comprising a polynucleotide fragment operably linked to a promoter, wherein said polynucleotide fragment encodes a virus-like-particle (VLP) comprising:
a. a first viral coat protein (CP) having amino acid sequence selected from the group consisting of SEQ ID NO: 1, SEQ ID NO: 3, SEQ ID NO: 5, SEQ ID NO: 117 and SEQ ID NO: 119 and
b. at least one Staphylococcus protein A (SpA) domain having amino acid sequence selected from the group consisting of SEQ ID NO: 7, and SEQ ID NO: 9,
wherein said first viral CP is fused to said at least one SpA domain.
7. The DNA construct as claimed in claim 6, wherein said VLP amino acid sequence is selected from the group consisting of SEQ ID NO: 11, SEQ ID NO:SEQ ID NO: 13, SEQ ID NO: 15, SEQ ID NO: 17, SEQ ID NO: 19, SEQ ID NO: 21, SEQ ID NO: 23, SEQ ID NO: 25, SEQ ID NO: 27, SEQ ID NO: 29, SEQ ID NO: 31, SEQ ID NO: 33, SEQ ID NO: 35, SEQ ID NO: 37, SEQ ID NO: 39, SEQ ID NO: 41, SEQ ID NO: 43, SEQ ID NO: 45, SEQ ID NO: 47, SEQ ID NO: 49, SEQ ID NO: 51, SEQ ID NO: 53, SEQ ID NO: 55, SEQ ID NO: 57, SEQ ID NO: 59, SEQ ID NO: 61, SEQ ID NO: 63, SEQ ID NO: 65, SEQ ID NO: 67, SEQ ID NO: 69, SEQ ID NO: 71, SEQ ID NO: 73, SEQ ID NO: 75, SEQ ID NO: 77, SEQ ID NO: 79, SEQ ID NO: 81, SEQ ID NO: 83, SEQ ID NO: 85, SEQ ID NO: 87, SEQ ID NO: 89, SEQ ID NO: 91, SEQ ID NO: 93, SEQ ID NO: 95, SEQ ID NO: 97, SEQ ID NO: 99, SEQ ID NO: 101, SEQ ID NO: 103, SEQ ID NO: 105, SEQ ID NO: 107, SEQ ID NO: 109, SEQ ID NO: 111, SEQ ID NO:113, SEQ ID NO:115, SEQ ID NO:121, SEQ ID NO:123, SEQ ID NO:125, SEQ ID NO:127, SEQ ID NO:129, SEQ ID NO:131, SEQ ID NO:133, SEQ ID NO:135, SEQ ID NO:137, SEQ ID NO:139, SEQ ID NO:141, SEQ ID NO:143, SEQ ID NO:145, SEQ ID NO:147, SEQ ID NO:149, SEQ ID NO:151, SEQ ID NO:153, SEQ ID NO:155, SEQ ID NO:157, and SEQ ID NO:159.
8. The DNA construct as claimed in claim 6, wherein said polynucleotide fragment sequence is selected from the group consisting of SEQ ID NO: 12, SEQ ID NO: 14, SEQ ID NO: 16, SEQ ID NO: 18, SEQ ID NO: 20, SEQ ID NO: 22, SEQ ID NO: 24, SEQ ID NO: 26, SEQ ID NO: 28, SEQ ID NO: 30, SEQ ID NO: 32, SEQ ID NO: 34, SEQ ID NO: 36, SEQ ID NO: 38, SEQ ID NO: 40, SEQ ID NO: 42, SEQ ID NO: 44, SEQ ID NO: 46, SEQ ID NO: 48, SEQ ID NO: 50, SEQ ID NO: 52, SEQ ID NO: 54, SEQ ID NO: 56, SEQ ID NO: 58, SEQ ID NO: 60, SEQ ID NO: 62, SEQ ID NO: 64, SEQ ID NO: 66, SEQ ID NO: 68, SEQ ID NO: 70, SEQ ID NO: 72, SEQ ID NO: 74, SEQ ID NO: 76, SEQ ID NO: 78, SEQ ID NO: 80, SEQ ID NO: 82, SEQ ID NO: 84, SEQ ID NO: 86, SEQ ID NO: 88, SEQ ID NO: 90, SEQ ID NO: 92, SEQ ID NO: 94, SEQ ID NO: 96, SEQ ID NO: 98, SEQ ID NO: 100, SEQ ID NO: 102, SEQ ID NO: 104, SEQ ID NO: 106, SEQ ID NO: 108, SEQ ID NO: 110, and SEQ ID NO: 112, SEQ ID NO:114, SEQ ID NO:116, SEQ ID NO:122, SEQ ID NO:124, SEQ ID NO:126, SEQ ID NO:128, SEQ ID NO:130, SEQ ID NO:132, SEQ ID NO:134, SEQ ID NO:136, SEQ ID NO:138, SEQ ID NO:140, SEQ ID NO:142, SEQ ID NO:144, SEQ ID NO:146, SEQ ID NO:148, SEQ ID NO:150, SEQ ID NO:152, SEQ ID NO:154, SEQ ID NO:156, SEQ ID NO:158 and SEQ ID NO:160.
9. A recombinant DNA vector comprising a DNA construct, said DNA construct as claimed in any of the claims 6-8.
10. A recombinant host cell comprising a DNA construct as claimed in any of the claims 6-8.
11. A recombinant host cell comprising a recombinant DNA vector as claimed in claim 9.
12. The recombinant host cell as claimed in any of the claim 10-11, wherein said recombinant host cell is of bacterial, fungal, plant, insect, or mammalian origin.
13. A process for purifying an immunoglobulin comprising the steps:
a. obtaining a virus-like-particle (VLP) as claimed in any of the claims 1-5;
b. contacting said VLP with an immunoglobulin under conditions which allow binding of said VLP with said immunoglobulin; and
c. separating said immunoglobulin from said VLP.
14. A process for delivery of antibodies to the surface, inside or both to surface and inside of cells, said process comprising the steps:
a. obtaining a virus-like-particle (VLP) as claimed in any of the claims 1-5;
b. obtaining at least one antibody;
c. incubating said VLP with said at least one antibody to obtain VLP-antibody complexes; and
d. contacting said VLP-antibody complexes with said cells.
15. A process for imaging a tissue of interest, said process comprising the steps:
a. obtaining a virus-like-particle (VLP) as claimed in any of the claims 1-5;
b. obtaining at least one antibody;
c. labelling said VLP and said at least one antibody with a fluorophore, wherein the fluorophore for labelling said VLP is different than the fluorophore for labelling said at least one antibody;
d. Incubating said labelled VLP with said labelled at least one antibody to obtain VLP-antibody complexes;
e. administering said VLP-antibody complex to a subject; and
f. visualizing said tissue of interest by any known method.
16. A process of targeting a virus-like-particle (VLP) to a cancer cell, said process comprising the steps:
a. obtaining a VLP as claimed in any of the claims 1-5;
b. obtaining at least one molecule which can ameliorate cancer cell activity;
c. obtaining at least one antibody which binds preferentially to at least one cell surface moiety present majorly in said cancer cell;
d. encapsulating at least one molecule with said VLP;
e. contacting said VLP from d) with said at least one antibody; and
f. contacting said VLP from e) with a tissue comprising cancer cell,
wherein said method targets VLP to a cancer cell.
17. The process as claimed in claim 16, further comprising conjugating said VLP from step a) or d) with at least one cell penetrating peptide.
18. A VLP as claimed in any of the claims 1-5 for use in disease diagnosis, cargo delivery, intracellular imaging, or cell specific targeting.
Dated this September 2015

Documents

Orders

Section Controller Decision Date

Application Documents

# Name Date
1 5067-CHE-2015-IntimationOfGrant29-08-2023.pdf 2023-08-29
1 Form 3 [22-09-2015(online)].pdf 2015-09-22
2 Drawing [22-09-2015(online)].pdf 2015-09-22
2 5067-CHE-2015-PatentCertificate29-08-2023.pdf 2023-08-29
3 Description(Provisional) [22-09-2015(online)].pdf 2015-09-22
3 5067-CHE-2015-Written submissions and relevant documents [16-08-2023(online)].pdf 2023-08-16
4 5067-CHE-2015-Power of Attorney-131115.pdf 2016-05-02
4 5067-CHE-2015-Correspondence to notify the Controller [31-07-2023(online)].pdf 2023-07-31
5 5067-CHE-2015-FORM-26 [31-07-2023(online)].pdf 2023-07-31
5 5067-CHE-2015-Form 1-131115.pdf 2016-05-02
6 5067-CHE-2015-US(14)-HearingNotice-(HearingDate-02-08-2023).pdf 2023-07-03
6 5067-CHE-2015-Correspondence-Form 1-Power of Attorney-131115.pdf 2016-05-02
7 OTHERS [20-09-2016(online)].pdf 2016-09-20
7 5067-CHE-2015-EDUCATIONAL INSTITUTION(S) [12-11-2021(online)].pdf 2021-11-12
8 Drawing [20-09-2016(online)].pdf 2016-09-20
8 5067-CHE-2015-FER.pdf 2021-10-17
9 Description(Complete) [20-09-2016(online)].pdf 2016-09-20
9 5067-CHE-2015-CLAIMS [10-05-2021(online)].pdf 2021-05-10
10 5067-CHE-2015-FER_SER_REPLY [10-05-2021(online)].pdf 2021-05-10
10 CERTIFIED COPIES TRANSMISSION TO IB [26-09-2016(online)].pdf 2016-09-26
11 5067-CHE-2015-FORM 18 [20-03-2018(online)].pdf 2018-03-20
11 Form 3 [20-03-2017(online)].pdf 2017-03-20
12 5067-CHE-2015-FORM 18 [20-03-2018(online)].pdf 2018-03-20
12 Form 3 [20-03-2017(online)].pdf 2017-03-20
13 5067-CHE-2015-FER_SER_REPLY [10-05-2021(online)].pdf 2021-05-10
13 CERTIFIED COPIES TRANSMISSION TO IB [26-09-2016(online)].pdf 2016-09-26
14 5067-CHE-2015-CLAIMS [10-05-2021(online)].pdf 2021-05-10
14 Description(Complete) [20-09-2016(online)].pdf 2016-09-20
15 5067-CHE-2015-FER.pdf 2021-10-17
15 Drawing [20-09-2016(online)].pdf 2016-09-20
16 5067-CHE-2015-EDUCATIONAL INSTITUTION(S) [12-11-2021(online)].pdf 2021-11-12
16 OTHERS [20-09-2016(online)].pdf 2016-09-20
17 5067-CHE-2015-Correspondence-Form 1-Power of Attorney-131115.pdf 2016-05-02
17 5067-CHE-2015-US(14)-HearingNotice-(HearingDate-02-08-2023).pdf 2023-07-03
18 5067-CHE-2015-Form 1-131115.pdf 2016-05-02
18 5067-CHE-2015-FORM-26 [31-07-2023(online)].pdf 2023-07-31
19 5067-CHE-2015-Power of Attorney-131115.pdf 2016-05-02
19 5067-CHE-2015-Correspondence to notify the Controller [31-07-2023(online)].pdf 2023-07-31
20 Description(Provisional) [22-09-2015(online)].pdf 2015-09-22
20 5067-CHE-2015-Written submissions and relevant documents [16-08-2023(online)].pdf 2023-08-16
21 Drawing [22-09-2015(online)].pdf 2015-09-22
21 5067-CHE-2015-PatentCertificate29-08-2023.pdf 2023-08-29
22 Form 3 [22-09-2015(online)].pdf 2015-09-22
22 5067-CHE-2015-IntimationOfGrant29-08-2023.pdf 2023-08-29

Search Strategy

1 strategy_5067E_17-11-2020.pdf

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