Biomarkers for wound healing
First Claim
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1. A method comprisingquantifying expression levels of one or more genes in a wound tissue sample from a wound of a mammalian subject, the wound being at least 7 days old, the one or more genes consisting of one or more of angiotensin II receptor, interleukin I receptor antagonist or inositol triphosphate receptor 3, the expression level being quantified by highly stringent hybridization of RNA obtained from the wound tissue sample to a probe that is complementary to SEQ ID NO:
- 1, SEQ ID NO;
3 or SEQ ID NO;
5, wherein the only gene expression levels quantified in the method are one or more of angiotensin II receptor, interleukin I receptor antagonist and inositol triphosphate receptor 3, and wherein the expression level of inositol triphosphate receptor 3 is quantified; and
comparing the expression level of the angiotensin II receptor, interleukin I receptor antagonist or inositol triphosphate receptor 3 of the wound tissue sample with another expression level of angiotensin II receptor, interleukin I receptor antagonist or inositol triphosphate receptor 3 in tissue of the same type from the mammalian subject.
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Abstract
The invention relates to the discovery that in chronic wounds the expression levels of certain genes are altered relative to the expression levels observed in healthy tissues.
35 Citations
17 Claims
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1. A method comprising
quantifying expression levels of one or more genes in a wound tissue sample from a wound of a mammalian subject, the wound being at least 7 days old, the one or more genes consisting of one or more of angiotensin II receptor, interleukin I receptor antagonist or inositol triphosphate receptor 3, the expression level being quantified by highly stringent hybridization of RNA obtained from the wound tissue sample to a probe that is complementary to SEQ ID NO: - 1, SEQ ID NO;
3 or SEQ ID NO;
5, wherein the only gene expression levels quantified in the method are one or more of angiotensin II receptor, interleukin I receptor antagonist and inositol triphosphate receptor 3, and wherein the expression level of inositol triphosphate receptor 3 is quantified; andcomparing the expression level of the angiotensin II receptor, interleukin I receptor antagonist or inositol triphosphate receptor 3 of the wound tissue sample with another expression level of angiotensin II receptor, interleukin I receptor antagonist or inositol triphosphate receptor 3 in tissue of the same type from the mammalian subject. - View Dependent Claims (2, 3, 4, 5, 6)
- 1, SEQ ID NO;
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7. A method comprising
quantifying expression levels of genes in a wound tissue sample from a wound of a mammalian subject, the wound being at least 7 days old, the genes consisting of angiotensin II receptor, interleukin I receptor antagonist, and inositol triphosphate receptor 3, the expression level being quantified by highly stringent hybridization of RNA obtained from the wound tissue sample to probes that are complementary to SEQ ID NO: - 1, SEQ ID NO;
3 and SEQ ID NO;
5, wherein the only gene expression levels quantified in the method are angiotensin II receptor, interleukin I receptor antagonist and inositol triphosphate receptor 3, andcomparing the expression level of the angiotensin II receptor, interleukin I receptor antagonist and inositol triphosphate receptor 3 of the wound tissue sample with another expression level of angiotensin II receptor, interleukin I receptor antagonist and inositol triphosphate receptor 3 in tissue of the same type from the mammalian subject.
- 1, SEQ ID NO;
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8. A method comprising
quantifying expression levels of one or more genes in a wound tissue sample from a wound of a mammalian subject, the wound being at least 7 days old, the one or more genes consisting of angiotensin II receptor, interleukin I receptor antagonist or inositol triphosphate receptor 3, the expression level being quantified by amplification of RNA obtained from the wound tissue sample using primers complementary to, and that selectively hybridize to, SEQ ID NO: - 1, SEQ ID NO;
3 or SEQ ID NO;
5, wherein the only gene expression levels quantified in the method are one or more of angiotensin II receptor, interleukin I receptor antagonist and inositol triphosphate receptor 3, and wherein the expression level of inositol triphosphate receptor 3 is quantified, andcomparing the expression level of the angiotensin II receptor, interleukin I receptor antagonist or inositol triphosphate receptor 3 of the wound tissue sample with another expression level of angiotensin II receptor, interleukin I receptor antagonist or inositol triphosphate receptor 3 in tissue of the same type from the mammalian subject.
- 1, SEQ ID NO;
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9. A method comprising
obtaining a tissue biopsy from a wound tissue, the wound tissue being from a wound that is at least 7 days old; -
homogenizing the tissue biopsy; extracting mRNA from the homogenized tissue biopsy; hybridizing the mRNA to a probe that is complementary to SEQ ID NO;
1, SEQ ID NO;
3, or SEQ ID NO;
5, wherein the mRNA is hybridized to the probe under highly stringent hybridization conditions; andquantifying the expression levels of one or more genes in the wound tissue, the one or more genes consisting of angiotensin II receptor, interleukin I receptor antagonist or inositol triphosphate receptor 3, wherein the only expression levels quantified in the method are one or more of angiotensin II receptor, interleukin I receptor antagonist or inositol triphosphate receptor 3, and wherein the expression level of inositol triphosphate receptor 3 is quantified. - View Dependent Claims (10, 11, 12, 13, 14, 15)
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16. A method comprising
obtaining a tissue biopsy from a wound tissue, the wound tissue being from a wound that is at least 7 days old; -
homogenizing the tissue biopsy; extracting mRNA from the homogenized tissue biopsy; hybridizing the mRNA to probes that are complementary to SEQ ID NO;
1, SEQ ID NO;
3, and SEQ ID NO;
5, wherein the mRNA is hybridized to the probes under highly stringent hybridization conditions; andquantifying expression levels of genes in the wound tissue, the genes consisting of angiotensin II receptor, interleukin I receptor antagonist, and inositol triphosphate receptor 3, wherein the only expression levels quantified in the method are angiotensin II receptor, interleukin I receptor antagonist and inositol triphosphate receptor 3.
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17. A method comprising
obtaining a tissue biopsy from a wound tissue, the wound tissue being from a wound that is at least 7 days old; -
homogenizing the tissue biopsy; extracting mRNA from the homogenized tissue biopsy; amplifying the mRNA obtained from the wound using primers that are complementary to SEQ ID NO;
1, SEQ ID NO;
3, or SEQ ID NO;
5, wherein the primers selectively hybridize to SEQ ID NO;
1, SEQ ID NO;
3, or SEQ ID NO;
5; andquantifying expression levels of one or more genes in the wound tissue, the one or more genes consisting of angiotensin II receptor, interleukin I receptor antagonist or inositol triphosphate receptor 3, wherein the only expression revels quantified in the method are one or more of angiotensin II receptor, interleukin I receptor antagonist and inositol triphosphate receptor 3, and wherein the expression level of inositol triphosphate receptor 3 is quantified.
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Specification