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a pintail duck alberta 114 1979  (Sino Biological)


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    Sino Biological a pintail duck alberta 114 1979
    Binding activity of the indicated antibodies against the indicated antigens was measured by ELISA. (A) Each bar represents the average of two replicates. Each data point represents one replicate. H3N8 HA: A/mallard/Alberta/362/2017 (H3N8) HA. H3 stem: a stabilized HA stem construct previously developed based on A/Finland/486/2004 (H3N2) HA . H3N2 NA: A/Moscow/10/1999 (H3N2) NA. SARS2 S2: SARS-CoV-2 S2 domain. (B) The average of two replicates, which are highly consistent, is shown. H1/SI06: A/Solomon Island/3/2006 (H1N1). H1/CA09: A/California/07/2009 (H1N1). H2/JP57: A/Japan/305/1957 (H2N2). H3/HK68: A/Hong Kong/1968 (H3N2). H3/Sing16: A/Singapore/INFIMH-16-0019/2016 (H3N2). H5/TX24: A/cattle/Texas/56283/2024 (H5N1). H7/Anhui13: A/Anhui/1/2013 (H7N9). <t>H8/Alb79:</t> <t>A/pintail</t> <t>duck/Alberta/114/1979</t> <t>(H8N4).</t> H9/HK99: A/Hong Kong/1073/1999 (H9N2). H11/Yz02: A/duck/Yangzhou/906/2002 (H11N2). H12/Alb91: A/green-winged teal/ALB/199/1991 (H12N5). H13/Neth00: A/black-headed gull/Netherlands/1/2000 (H13N8). H14/Ask82: A/mallard/Astrakhan/263/1982 (H14N5). H15/WAus83: A/Australian shelduck/Western Australia/1756/1983 (H15N2). (C) Neutralization activity of TG0331 against A/mallard/Alberta/362/2017 (H3N8) virus was measured by microneutralization assay with (red) or without (blue) antibody removed at one-hour post-infection (hpi). MIC: minimum inhibitory concentration. Data from one of the two highly consistent replicates are shown. (D) The cryo-EM structure of TG0331 in complex with H3N8 HA. Orange: antibody heavy chain. Magenta: antibody light chain. White: HA. Yellow: N22 HA1 glycan. Cyan: central stem epitope . (E) The composition of TG0331 epitope is shown. HA1: protein surface of HA1. HA2: protein surface of HA2. Glycan: N22 HA1 glycan. (F) Epitopes of the indicated antibodies are in blue. Their K D values are indicated in the bracket. Yellow: N22 HA1 glycan. (G) Interactions between the indicated antibodies and N22 HA1 glycan (yellow) are shown. Black dashed lines represent H-bonds. (H-J) Female BALB/c mice at 6 weeks old were injected intraperitoneally with 5 mg kg -1 of the indicated antibody at 4 h prior to challenge with 5× LD 50 of mouse-adapted H3N2 A/Philippines/2/1982 (X-79, 6:2 A/PR/8/34 reassortant) virus. (H) The mean percentage of body weight change post-infection is shown (n = 5). Error bars indicate standard deviation. The humane endpoint was defined as a weight loss of 25% from initial weight on day 0. Different colors represent different antibodies as indicated in panel I. (I) Kaplan-Meier survival curves are shown (n = 5). (J) Lung viral titers on day 3 post-infection are shown (n = 3). (K) Occurrence frequency of N20 HA1 glycan, N21 HA1 glycan, and N22 HA1 glycan in different HA subtypes.
    A Pintail Duck Alberta 114 1979, supplied by Sino Biological, used in various techniques. Bioz Stars score: 94/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
    https://www.bioz.com/product/a+pintail+duck+alberta+114+1979/Influenza+A+H8N4+(A+pintail+duck+Alberta+114+1979)+Hemagglutinin+Protein/bio_rxiv__64898__2026__03__11__711171-292-11-9
    Average 94 stars, based on 1 article reviews
    a pintail duck alberta 114 1979 - by Bioz Stars, 2026-09
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    1) Product Images from "Structural insights into antibody responses against influenza A virus in its natural reservoir"

    Article Title: Structural insights into antibody responses against influenza A virus in its natural reservoir

    Journal: bioRxiv

    doi: 10.64898/2026.03.11.711171

    Binding activity of the indicated antibodies against the indicated antigens was measured by ELISA. (A) Each bar represents the average of two replicates. Each data point represents one replicate. H3N8 HA: A/mallard/Alberta/362/2017 (H3N8) HA. H3 stem: a stabilized HA stem construct previously developed based on A/Finland/486/2004 (H3N2) HA . H3N2 NA: A/Moscow/10/1999 (H3N2) NA. SARS2 S2: SARS-CoV-2 S2 domain. (B) The average of two replicates, which are highly consistent, is shown. H1/SI06: A/Solomon Island/3/2006 (H1N1). H1/CA09: A/California/07/2009 (H1N1). H2/JP57: A/Japan/305/1957 (H2N2). H3/HK68: A/Hong Kong/1968 (H3N2). H3/Sing16: A/Singapore/INFIMH-16-0019/2016 (H3N2). H5/TX24: A/cattle/Texas/56283/2024 (H5N1). H7/Anhui13: A/Anhui/1/2013 (H7N9). H8/Alb79: A/pintail duck/Alberta/114/1979 (H8N4). H9/HK99: A/Hong Kong/1073/1999 (H9N2). H11/Yz02: A/duck/Yangzhou/906/2002 (H11N2). H12/Alb91: A/green-winged teal/ALB/199/1991 (H12N5). H13/Neth00: A/black-headed gull/Netherlands/1/2000 (H13N8). H14/Ask82: A/mallard/Astrakhan/263/1982 (H14N5). H15/WAus83: A/Australian shelduck/Western Australia/1756/1983 (H15N2). (C) Neutralization activity of TG0331 against A/mallard/Alberta/362/2017 (H3N8) virus was measured by microneutralization assay with (red) or without (blue) antibody removed at one-hour post-infection (hpi). MIC: minimum inhibitory concentration. Data from one of the two highly consistent replicates are shown. (D) The cryo-EM structure of TG0331 in complex with H3N8 HA. Orange: antibody heavy chain. Magenta: antibody light chain. White: HA. Yellow: N22 HA1 glycan. Cyan: central stem epitope . (E) The composition of TG0331 epitope is shown. HA1: protein surface of HA1. HA2: protein surface of HA2. Glycan: N22 HA1 glycan. (F) Epitopes of the indicated antibodies are in blue. Their K D values are indicated in the bracket. Yellow: N22 HA1 glycan. (G) Interactions between the indicated antibodies and N22 HA1 glycan (yellow) are shown. Black dashed lines represent H-bonds. (H-J) Female BALB/c mice at 6 weeks old were injected intraperitoneally with 5 mg kg -1 of the indicated antibody at 4 h prior to challenge with 5× LD 50 of mouse-adapted H3N2 A/Philippines/2/1982 (X-79, 6:2 A/PR/8/34 reassortant) virus. (H) The mean percentage of body weight change post-infection is shown (n = 5). Error bars indicate standard deviation. The humane endpoint was defined as a weight loss of 25% from initial weight on day 0. Different colors represent different antibodies as indicated in panel I. (I) Kaplan-Meier survival curves are shown (n = 5). (J) Lung viral titers on day 3 post-infection are shown (n = 3). (K) Occurrence frequency of N20 HA1 glycan, N21 HA1 glycan, and N22 HA1 glycan in different HA subtypes.
    Figure Legend Snippet: Binding activity of the indicated antibodies against the indicated antigens was measured by ELISA. (A) Each bar represents the average of two replicates. Each data point represents one replicate. H3N8 HA: A/mallard/Alberta/362/2017 (H3N8) HA. H3 stem: a stabilized HA stem construct previously developed based on A/Finland/486/2004 (H3N2) HA . H3N2 NA: A/Moscow/10/1999 (H3N2) NA. SARS2 S2: SARS-CoV-2 S2 domain. (B) The average of two replicates, which are highly consistent, is shown. H1/SI06: A/Solomon Island/3/2006 (H1N1). H1/CA09: A/California/07/2009 (H1N1). H2/JP57: A/Japan/305/1957 (H2N2). H3/HK68: A/Hong Kong/1968 (H3N2). H3/Sing16: A/Singapore/INFIMH-16-0019/2016 (H3N2). H5/TX24: A/cattle/Texas/56283/2024 (H5N1). H7/Anhui13: A/Anhui/1/2013 (H7N9). H8/Alb79: A/pintail duck/Alberta/114/1979 (H8N4). H9/HK99: A/Hong Kong/1073/1999 (H9N2). H11/Yz02: A/duck/Yangzhou/906/2002 (H11N2). H12/Alb91: A/green-winged teal/ALB/199/1991 (H12N5). H13/Neth00: A/black-headed gull/Netherlands/1/2000 (H13N8). H14/Ask82: A/mallard/Astrakhan/263/1982 (H14N5). H15/WAus83: A/Australian shelduck/Western Australia/1756/1983 (H15N2). (C) Neutralization activity of TG0331 against A/mallard/Alberta/362/2017 (H3N8) virus was measured by microneutralization assay with (red) or without (blue) antibody removed at one-hour post-infection (hpi). MIC: minimum inhibitory concentration. Data from one of the two highly consistent replicates are shown. (D) The cryo-EM structure of TG0331 in complex with H3N8 HA. Orange: antibody heavy chain. Magenta: antibody light chain. White: HA. Yellow: N22 HA1 glycan. Cyan: central stem epitope . (E) The composition of TG0331 epitope is shown. HA1: protein surface of HA1. HA2: protein surface of HA2. Glycan: N22 HA1 glycan. (F) Epitopes of the indicated antibodies are in blue. Their K D values are indicated in the bracket. Yellow: N22 HA1 glycan. (G) Interactions between the indicated antibodies and N22 HA1 glycan (yellow) are shown. Black dashed lines represent H-bonds. (H-J) Female BALB/c mice at 6 weeks old were injected intraperitoneally with 5 mg kg -1 of the indicated antibody at 4 h prior to challenge with 5× LD 50 of mouse-adapted H3N2 A/Philippines/2/1982 (X-79, 6:2 A/PR/8/34 reassortant) virus. (H) The mean percentage of body weight change post-infection is shown (n = 5). Error bars indicate standard deviation. The humane endpoint was defined as a weight loss of 25% from initial weight on day 0. Different colors represent different antibodies as indicated in panel I. (I) Kaplan-Meier survival curves are shown (n = 5). (J) Lung viral titers on day 3 post-infection are shown (n = 3). (K) Occurrence frequency of N20 HA1 glycan, N21 HA1 glycan, and N22 HA1 glycan in different HA subtypes.

    Techniques Used: Binding Assay, Activity Assay, Enzyme-linked Immunosorbent Assay, Construct, Western Blot, Neutralization, Virus, Microneutralization Assay, Infection, Concentration Assay, Cryo-EM Sample Prep, Glycoproteomics, Injection, Standard Deviation

    Related Articles

    Polymerase Chain Reaction:

    Article Title: Vaccine molecules
    Article Snippet: .. Briefly, HA from A/Hong Kong/483/97 (H5N1), A/northern shoveler/California/HKWF115/07 (H6N1), A/pintail duck/Alberta/114/1979 (H8N4), A/Hong Kong/1073/99 (H9N2), A/duck/Yangzhou/906/2002 (H11N2), and A/black-headed gull/Netherlands/1/00 (H13N8) were picked up by PCR from cDNA (VG11689-C; VG11723-C; VG11722-C; VG11229-C; VG11705-C, VG11721-C, all from Sino Biological Inc., Beijing, China), and cloned into SfiI-sites in the CMV-based pLNOH2 vector (27). ..

    Article Title: Simultaneous Targeting of Multiple Hemagglutinins to APCs for Induction of Broad Immunity against Influenza
    Article Snippet: .. Briefly, HAs from A/Hong Kong/483/97 (H5N1), A/northern shoveler/California/HKWF115/07 (H6N1), A/pintail duck/Alberta/114/1979 (H8N4), A/Hong Kong/1073/99 (H9N2), A/duck/Yangzhou/906/2002 (H11N2), and A/black-headed gull/Netherlands/1/00 (H13N8) were picked up by PCR from cDNA (VG11689-C, VG11723-C, VG11722-C, VG11229-C, VG11705-C, and VG11721-C, all from Sino Biological, Beijing, China) and cloned into SfiI sites in the CMV-based pLNOH2 vector ( 29 ). ..

    Article Title: Vaccine molecules
    Article Snippet: .. Briefly, HA from A/Hong Kong/483/97 (H5N1), A/northern shoveler/California/HKWF115/07 (H6N1), A/pintail duck/Alberta/114/1979 (H8N4), A/Hong Kong/1073/99 (H9N2), A/duck/Yangzhou/906/2002 (H11N2), and A/black-headed gull/Netherlands/1/00 (H13N8) were picked up by PCR from cDNA (VG11689-C; VG11723-C; VG11722-C; VG11229-C; VG11705-C, VG11721-C, all from Sino Biological Inc., Beijing, China), and cloned into SfiI-sites in the CMV-based pLNOH2 vector (27). ..

    Clone Assay:

    Article Title: Vaccine molecules
    Article Snippet: .. Briefly, HA from A/Hong Kong/483/97 (H5N1), A/northern shoveler/California/HKWF115/07 (H6N1), A/pintail duck/Alberta/114/1979 (H8N4), A/Hong Kong/1073/99 (H9N2), A/duck/Yangzhou/906/2002 (H11N2), and A/black-headed gull/Netherlands/1/00 (H13N8) were picked up by PCR from cDNA (VG11689-C; VG11723-C; VG11722-C; VG11229-C; VG11705-C, VG11721-C, all from Sino Biological Inc., Beijing, China), and cloned into SfiI-sites in the CMV-based pLNOH2 vector (27). ..

    Article Title: Simultaneous Targeting of Multiple Hemagglutinins to APCs for Induction of Broad Immunity against Influenza
    Article Snippet: .. Briefly, HAs from A/Hong Kong/483/97 (H5N1), A/northern shoveler/California/HKWF115/07 (H6N1), A/pintail duck/Alberta/114/1979 (H8N4), A/Hong Kong/1073/99 (H9N2), A/duck/Yangzhou/906/2002 (H11N2), and A/black-headed gull/Netherlands/1/00 (H13N8) were picked up by PCR from cDNA (VG11689-C, VG11723-C, VG11722-C, VG11229-C, VG11705-C, and VG11721-C, all from Sino Biological, Beijing, China) and cloned into SfiI sites in the CMV-based pLNOH2 vector ( 29 ). ..

    Article Title: Vaccine molecules
    Article Snippet: .. Briefly, HA from A/Hong Kong/483/97 (H5N1), A/northern shoveler/California/HKWF115/07 (H6N1), A/pintail duck/Alberta/114/1979 (H8N4), A/Hong Kong/1073/99 (H9N2), A/duck/Yangzhou/906/2002 (H11N2), and A/black-headed gull/Netherlands/1/00 (H13N8) were picked up by PCR from cDNA (VG11689-C; VG11723-C; VG11722-C; VG11229-C; VG11705-C, VG11721-C, all from Sino Biological Inc., Beijing, China), and cloned into SfiI-sites in the CMV-based pLNOH2 vector (27). ..

    Plasmid Preparation:

    Article Title: Vaccine molecules
    Article Snippet: .. Briefly, HA from A/Hong Kong/483/97 (H5N1), A/northern shoveler/California/HKWF115/07 (H6N1), A/pintail duck/Alberta/114/1979 (H8N4), A/Hong Kong/1073/99 (H9N2), A/duck/Yangzhou/906/2002 (H11N2), and A/black-headed gull/Netherlands/1/00 (H13N8) were picked up by PCR from cDNA (VG11689-C; VG11723-C; VG11722-C; VG11229-C; VG11705-C, VG11721-C, all from Sino Biological Inc., Beijing, China), and cloned into SfiI-sites in the CMV-based pLNOH2 vector (27). ..

    Article Title: Simultaneous Targeting of Multiple Hemagglutinins to APCs for Induction of Broad Immunity against Influenza
    Article Snippet: .. Briefly, HAs from A/Hong Kong/483/97 (H5N1), A/northern shoveler/California/HKWF115/07 (H6N1), A/pintail duck/Alberta/114/1979 (H8N4), A/Hong Kong/1073/99 (H9N2), A/duck/Yangzhou/906/2002 (H11N2), and A/black-headed gull/Netherlands/1/00 (H13N8) were picked up by PCR from cDNA (VG11689-C, VG11723-C, VG11722-C, VG11229-C, VG11705-C, and VG11721-C, all from Sino Biological, Beijing, China) and cloned into SfiI sites in the CMV-based pLNOH2 vector ( 29 ). ..

    Article Title: Vaccine molecules
    Article Snippet: .. Briefly, HA from A/Hong Kong/483/97 (H5N1), A/northern shoveler/California/HKWF115/07 (H6N1), A/pintail duck/Alberta/114/1979 (H8N4), A/Hong Kong/1073/99 (H9N2), A/duck/Yangzhou/906/2002 (H11N2), and A/black-headed gull/Netherlands/1/00 (H13N8) were picked up by PCR from cDNA (VG11689-C; VG11723-C; VG11722-C; VG11229-C; VG11705-C, VG11721-C, all from Sino Biological Inc., Beijing, China), and cloned into SfiI-sites in the CMV-based pLNOH2 vector (27). ..



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    Binding activity of the indicated antibodies against the indicated antigens was measured by ELISA. (A) Each bar represents the average of two replicates. Each data point represents one replicate. H3N8 HA: A/mallard/Alberta/362/2017 (H3N8) HA. H3 stem: a stabilized HA stem construct previously developed based on A/Finland/486/2004 (H3N2) HA . H3N2 NA: A/Moscow/10/1999 (H3N2) NA. SARS2 S2: SARS-CoV-2 S2 domain. (B) The average of two replicates, which are highly consistent, is shown. H1/SI06: A/Solomon Island/3/2006 (H1N1). H1/CA09: A/California/07/2009 (H1N1). H2/JP57: A/Japan/305/1957 (H2N2). H3/HK68: A/Hong Kong/1968 (H3N2). H3/Sing16: A/Singapore/INFIMH-16-0019/2016 (H3N2). H5/TX24: A/cattle/Texas/56283/2024 (H5N1). H7/Anhui13: A/Anhui/1/2013 (H7N9). <t>H8/Alb79:</t> <t>A/pintail</t> <t>duck/Alberta/114/1979</t> <t>(H8N4).</t> H9/HK99: A/Hong Kong/1073/1999 (H9N2). H11/Yz02: A/duck/Yangzhou/906/2002 (H11N2). H12/Alb91: A/green-winged teal/ALB/199/1991 (H12N5). H13/Neth00: A/black-headed gull/Netherlands/1/2000 (H13N8). H14/Ask82: A/mallard/Astrakhan/263/1982 (H14N5). H15/WAus83: A/Australian shelduck/Western Australia/1756/1983 (H15N2). (C) Neutralization activity of TG0331 against A/mallard/Alberta/362/2017 (H3N8) virus was measured by microneutralization assay with (red) or without (blue) antibody removed at one-hour post-infection (hpi). MIC: minimum inhibitory concentration. Data from one of the two highly consistent replicates are shown. (D) The cryo-EM structure of TG0331 in complex with H3N8 HA. Orange: antibody heavy chain. Magenta: antibody light chain. White: HA. Yellow: N22 HA1 glycan. Cyan: central stem epitope . (E) The composition of TG0331 epitope is shown. HA1: protein surface of HA1. HA2: protein surface of HA2. Glycan: N22 HA1 glycan. (F) Epitopes of the indicated antibodies are in blue. Their K D values are indicated in the bracket. Yellow: N22 HA1 glycan. (G) Interactions between the indicated antibodies and N22 HA1 glycan (yellow) are shown. Black dashed lines represent H-bonds. (H-J) Female BALB/c mice at 6 weeks old were injected intraperitoneally with 5 mg kg -1 of the indicated antibody at 4 h prior to challenge with 5× LD 50 of mouse-adapted H3N2 A/Philippines/2/1982 (X-79, 6:2 A/PR/8/34 reassortant) virus. (H) The mean percentage of body weight change post-infection is shown (n = 5). Error bars indicate standard deviation. The humane endpoint was defined as a weight loss of 25% from initial weight on day 0. Different colors represent different antibodies as indicated in panel I. (I) Kaplan-Meier survival curves are shown (n = 5). (J) Lung viral titers on day 3 post-infection are shown (n = 3). (K) Occurrence frequency of N20 HA1 glycan, N21 HA1 glycan, and N22 HA1 glycan in different HA subtypes.
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    95
    Sino Biological 11722 v08h h9 h9n2
    Binding activity of the indicated antibodies against the indicated antigens was measured by ELISA. (A) Each bar represents the average of two replicates. Each data point represents one replicate. H3N8 HA: A/mallard/Alberta/362/2017 (H3N8) HA. H3 stem: a stabilized HA stem construct previously developed based on A/Finland/486/2004 (H3N2) HA . H3N2 NA: A/Moscow/10/1999 (H3N2) NA. SARS2 S2: SARS-CoV-2 S2 domain. (B) The average of two replicates, which are highly consistent, is shown. H1/SI06: A/Solomon Island/3/2006 (H1N1). H1/CA09: A/California/07/2009 (H1N1). H2/JP57: A/Japan/305/1957 (H2N2). H3/HK68: A/Hong Kong/1968 (H3N2). H3/Sing16: A/Singapore/INFIMH-16-0019/2016 (H3N2). H5/TX24: A/cattle/Texas/56283/2024 (H5N1). H7/Anhui13: A/Anhui/1/2013 (H7N9). <t>H8/Alb79:</t> <t>A/pintail</t> <t>duck/Alberta/114/1979</t> <t>(H8N4).</t> H9/HK99: A/Hong Kong/1073/1999 (H9N2). H11/Yz02: A/duck/Yangzhou/906/2002 (H11N2). H12/Alb91: A/green-winged teal/ALB/199/1991 (H12N5). H13/Neth00: A/black-headed gull/Netherlands/1/2000 (H13N8). H14/Ask82: A/mallard/Astrakhan/263/1982 (H14N5). H15/WAus83: A/Australian shelduck/Western Australia/1756/1983 (H15N2). (C) Neutralization activity of TG0331 against A/mallard/Alberta/362/2017 (H3N8) virus was measured by microneutralization assay with (red) or without (blue) antibody removed at one-hour post-infection (hpi). MIC: minimum inhibitory concentration. Data from one of the two highly consistent replicates are shown. (D) The cryo-EM structure of TG0331 in complex with H3N8 HA. Orange: antibody heavy chain. Magenta: antibody light chain. White: HA. Yellow: N22 HA1 glycan. Cyan: central stem epitope . (E) The composition of TG0331 epitope is shown. HA1: protein surface of HA1. HA2: protein surface of HA2. Glycan: N22 HA1 glycan. (F) Epitopes of the indicated antibodies are in blue. Their K D values are indicated in the bracket. Yellow: N22 HA1 glycan. (G) Interactions between the indicated antibodies and N22 HA1 glycan (yellow) are shown. Black dashed lines represent H-bonds. (H-J) Female BALB/c mice at 6 weeks old were injected intraperitoneally with 5 mg kg -1 of the indicated antibody at 4 h prior to challenge with 5× LD 50 of mouse-adapted H3N2 A/Philippines/2/1982 (X-79, 6:2 A/PR/8/34 reassortant) virus. (H) The mean percentage of body weight change post-infection is shown (n = 5). Error bars indicate standard deviation. The humane endpoint was defined as a weight loss of 25% from initial weight on day 0. Different colors represent different antibodies as indicated in panel I. (I) Kaplan-Meier survival curves are shown (n = 5). (J) Lung viral titers on day 3 post-infection are shown (n = 3). (K) Occurrence frequency of N20 HA1 glycan, N21 HA1 glycan, and N22 HA1 glycan in different HA subtypes.
    11722 V08h H9 H9n2, supplied by Sino Biological, used in various techniques. Bioz Stars score: 95/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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    a pintail duck alberta 114 1979 h8n4 ha  (Sino Biological)
    95
    Sino Biological a pintail duck alberta 114 1979 h8n4 ha
    Binding activity of the indicated antibodies against the indicated antigens was measured by ELISA. (A) Each bar represents the average of two replicates. Each data point represents one replicate. H3N8 HA: A/mallard/Alberta/362/2017 (H3N8) HA. H3 stem: a stabilized HA stem construct previously developed based on A/Finland/486/2004 (H3N2) HA . H3N2 NA: A/Moscow/10/1999 (H3N2) NA. SARS2 S2: SARS-CoV-2 S2 domain. (B) The average of two replicates, which are highly consistent, is shown. H1/SI06: A/Solomon Island/3/2006 (H1N1). H1/CA09: A/California/07/2009 (H1N1). H2/JP57: A/Japan/305/1957 (H2N2). H3/HK68: A/Hong Kong/1968 (H3N2). H3/Sing16: A/Singapore/INFIMH-16-0019/2016 (H3N2). H5/TX24: A/cattle/Texas/56283/2024 (H5N1). H7/Anhui13: A/Anhui/1/2013 (H7N9). <t>H8/Alb79:</t> <t>A/pintail</t> <t>duck/Alberta/114/1979</t> <t>(H8N4).</t> H9/HK99: A/Hong Kong/1073/1999 (H9N2). H11/Yz02: A/duck/Yangzhou/906/2002 (H11N2). H12/Alb91: A/green-winged teal/ALB/199/1991 (H12N5). H13/Neth00: A/black-headed gull/Netherlands/1/2000 (H13N8). H14/Ask82: A/mallard/Astrakhan/263/1982 (H14N5). H15/WAus83: A/Australian shelduck/Western Australia/1756/1983 (H15N2). (C) Neutralization activity of TG0331 against A/mallard/Alberta/362/2017 (H3N8) virus was measured by microneutralization assay with (red) or without (blue) antibody removed at one-hour post-infection (hpi). MIC: minimum inhibitory concentration. Data from one of the two highly consistent replicates are shown. (D) The cryo-EM structure of TG0331 in complex with H3N8 HA. Orange: antibody heavy chain. Magenta: antibody light chain. White: HA. Yellow: N22 HA1 glycan. Cyan: central stem epitope . (E) The composition of TG0331 epitope is shown. HA1: protein surface of HA1. HA2: protein surface of HA2. Glycan: N22 HA1 glycan. (F) Epitopes of the indicated antibodies are in blue. Their K D values are indicated in the bracket. Yellow: N22 HA1 glycan. (G) Interactions between the indicated antibodies and N22 HA1 glycan (yellow) are shown. Black dashed lines represent H-bonds. (H-J) Female BALB/c mice at 6 weeks old were injected intraperitoneally with 5 mg kg -1 of the indicated antibody at 4 h prior to challenge with 5× LD 50 of mouse-adapted H3N2 A/Philippines/2/1982 (X-79, 6:2 A/PR/8/34 reassortant) virus. (H) The mean percentage of body weight change post-infection is shown (n = 5). Error bars indicate standard deviation. The humane endpoint was defined as a weight loss of 25% from initial weight on day 0. Different colors represent different antibodies as indicated in panel I. (I) Kaplan-Meier survival curves are shown (n = 5). (J) Lung viral titers on day 3 post-infection are shown (n = 3). (K) Occurrence frequency of N20 HA1 glycan, N21 HA1 glycan, and N22 HA1 glycan in different HA subtypes.
    A Pintail Duck Alberta 114 1979 H8n4 Ha, supplied by Sino Biological, used in various techniques. Bioz Stars score: 95/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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    Binding activity of the indicated antibodies against the indicated antigens was measured by ELISA. (A) Each bar represents the average of two replicates. Each data point represents one replicate. H3N8 HA: A/mallard/Alberta/362/2017 (H3N8) HA. H3 stem: a stabilized HA stem construct previously developed based on A/Finland/486/2004 (H3N2) HA . H3N2 NA: A/Moscow/10/1999 (H3N2) NA. SARS2 S2: SARS-CoV-2 S2 domain. (B) The average of two replicates, which are highly consistent, is shown. H1/SI06: A/Solomon Island/3/2006 (H1N1). H1/CA09: A/California/07/2009 (H1N1). H2/JP57: A/Japan/305/1957 (H2N2). H3/HK68: A/Hong Kong/1968 (H3N2). H3/Sing16: A/Singapore/INFIMH-16-0019/2016 (H3N2). H5/TX24: A/cattle/Texas/56283/2024 (H5N1). H7/Anhui13: A/Anhui/1/2013 (H7N9). H8/Alb79: A/pintail duck/Alberta/114/1979 (H8N4). H9/HK99: A/Hong Kong/1073/1999 (H9N2). H11/Yz02: A/duck/Yangzhou/906/2002 (H11N2). H12/Alb91: A/green-winged teal/ALB/199/1991 (H12N5). H13/Neth00: A/black-headed gull/Netherlands/1/2000 (H13N8). H14/Ask82: A/mallard/Astrakhan/263/1982 (H14N5). H15/WAus83: A/Australian shelduck/Western Australia/1756/1983 (H15N2). (C) Neutralization activity of TG0331 against A/mallard/Alberta/362/2017 (H3N8) virus was measured by microneutralization assay with (red) or without (blue) antibody removed at one-hour post-infection (hpi). MIC: minimum inhibitory concentration. Data from one of the two highly consistent replicates are shown. (D) The cryo-EM structure of TG0331 in complex with H3N8 HA. Orange: antibody heavy chain. Magenta: antibody light chain. White: HA. Yellow: N22 HA1 glycan. Cyan: central stem epitope . (E) The composition of TG0331 epitope is shown. HA1: protein surface of HA1. HA2: protein surface of HA2. Glycan: N22 HA1 glycan. (F) Epitopes of the indicated antibodies are in blue. Their K D values are indicated in the bracket. Yellow: N22 HA1 glycan. (G) Interactions between the indicated antibodies and N22 HA1 glycan (yellow) are shown. Black dashed lines represent H-bonds. (H-J) Female BALB/c mice at 6 weeks old were injected intraperitoneally with 5 mg kg -1 of the indicated antibody at 4 h prior to challenge with 5× LD 50 of mouse-adapted H3N2 A/Philippines/2/1982 (X-79, 6:2 A/PR/8/34 reassortant) virus. (H) The mean percentage of body weight change post-infection is shown (n = 5). Error bars indicate standard deviation. The humane endpoint was defined as a weight loss of 25% from initial weight on day 0. Different colors represent different antibodies as indicated in panel I. (I) Kaplan-Meier survival curves are shown (n = 5). (J) Lung viral titers on day 3 post-infection are shown (n = 3). (K) Occurrence frequency of N20 HA1 glycan, N21 HA1 glycan, and N22 HA1 glycan in different HA subtypes.

    Journal: bioRxiv

    Article Title: Structural insights into antibody responses against influenza A virus in its natural reservoir

    doi: 10.64898/2026.03.11.711171

    Figure Lengend Snippet: Binding activity of the indicated antibodies against the indicated antigens was measured by ELISA. (A) Each bar represents the average of two replicates. Each data point represents one replicate. H3N8 HA: A/mallard/Alberta/362/2017 (H3N8) HA. H3 stem: a stabilized HA stem construct previously developed based on A/Finland/486/2004 (H3N2) HA . H3N2 NA: A/Moscow/10/1999 (H3N2) NA. SARS2 S2: SARS-CoV-2 S2 domain. (B) The average of two replicates, which are highly consistent, is shown. H1/SI06: A/Solomon Island/3/2006 (H1N1). H1/CA09: A/California/07/2009 (H1N1). H2/JP57: A/Japan/305/1957 (H2N2). H3/HK68: A/Hong Kong/1968 (H3N2). H3/Sing16: A/Singapore/INFIMH-16-0019/2016 (H3N2). H5/TX24: A/cattle/Texas/56283/2024 (H5N1). H7/Anhui13: A/Anhui/1/2013 (H7N9). H8/Alb79: A/pintail duck/Alberta/114/1979 (H8N4). H9/HK99: A/Hong Kong/1073/1999 (H9N2). H11/Yz02: A/duck/Yangzhou/906/2002 (H11N2). H12/Alb91: A/green-winged teal/ALB/199/1991 (H12N5). H13/Neth00: A/black-headed gull/Netherlands/1/2000 (H13N8). H14/Ask82: A/mallard/Astrakhan/263/1982 (H14N5). H15/WAus83: A/Australian shelduck/Western Australia/1756/1983 (H15N2). (C) Neutralization activity of TG0331 against A/mallard/Alberta/362/2017 (H3N8) virus was measured by microneutralization assay with (red) or without (blue) antibody removed at one-hour post-infection (hpi). MIC: minimum inhibitory concentration. Data from one of the two highly consistent replicates are shown. (D) The cryo-EM structure of TG0331 in complex with H3N8 HA. Orange: antibody heavy chain. Magenta: antibody light chain. White: HA. Yellow: N22 HA1 glycan. Cyan: central stem epitope . (E) The composition of TG0331 epitope is shown. HA1: protein surface of HA1. HA2: protein surface of HA2. Glycan: N22 HA1 glycan. (F) Epitopes of the indicated antibodies are in blue. Their K D values are indicated in the bracket. Yellow: N22 HA1 glycan. (G) Interactions between the indicated antibodies and N22 HA1 glycan (yellow) are shown. Black dashed lines represent H-bonds. (H-J) Female BALB/c mice at 6 weeks old were injected intraperitoneally with 5 mg kg -1 of the indicated antibody at 4 h prior to challenge with 5× LD 50 of mouse-adapted H3N2 A/Philippines/2/1982 (X-79, 6:2 A/PR/8/34 reassortant) virus. (H) The mean percentage of body weight change post-infection is shown (n = 5). Error bars indicate standard deviation. The humane endpoint was defined as a weight loss of 25% from initial weight on day 0. Different colors represent different antibodies as indicated in panel I. (I) Kaplan-Meier survival curves are shown (n = 5). (J) Lung viral titers on day 3 post-infection are shown (n = 3). (K) Occurrence frequency of N20 HA1 glycan, N21 HA1 glycan, and N22 HA1 glycan in different HA subtypes.

    Article Snippet: HA proteins from the following strains were obtained from Sino Biological: A/pintail duck/Alberta/114/1979 (H8N4), A/duck/Yangzhou/906/2002 (H11N2), A/green-winged teal/ALB/199/1991 (H12N5), A/black-headed gull/Netherlands/1/2000 (H13N8), A/mallard/Astrakhan/263/1982 (H14N5), and A/Australian shelduck/Western Australia/1756/1983 (H15N2).

    Techniques: Binding Assay, Activity Assay, Enzyme-linked Immunosorbent Assay, Construct, Western Blot, Neutralization, Virus, Microneutralization Assay, Infection, Concentration Assay, Cryo-EM Sample Prep, Glycoproteomics, Injection, Standard Deviation