Xin-Xing Gu

Activation of NF-κB by nontypeable Hemophilus influenzae is mediated by toll-like receptor 2-TAK1-dependent NIK–IKKα/β–IκBα and MKK3/6–p38 MAP kinase signaling pathways in epithelial cells

Shuto, Tsuyoshi, Xu, Haidong, Wang, Beinan, Han, Jiahuai, Kai, Hirofumi, Gu, Xin-Xing, ...

Nontypeable Hemophilus influenzae (NTHi) is an important human pathogen in both children and adults. In children, it causes otitis media, the most common childhood infection and the leading cause of...

Identification of Common Lipooligosaccharide Types in Isolates from Patients with Otitis Media by Monoclonal Antibodies against Nontypeable Haemophilus influenzae 9274

Ueyama, Tomoyo, Gu, Xin-Xing, Tsai, Chao-Ming, Karpas, Arthur B., Lim, David J.

Twenty-one murine monoclonal antibodies (MAbs) were induced by nontypeable Haemophilus influenzae (NTHi) 9274. Nineteen MAbs were specific for the lipooligosaccharide (LOS) as determined by...

Outer Membrane Proteins as a Carrier for Detoxified Lipooligosaccharide Conjugate Vaccines for Nontypeable Haemophilus influenzae

Wu, Ting-Huai, Gu, Xin-Xing

Nontypeable Haemophilus influenzae (NTHi) is a common cause of otitis media and respiratory tract infections. Outer membrane proteins (OMP) and lipooligosaccharide (LOS) are major surface antigens of...

Functional Characteristics of a Protective Monoclonal Antibody against Serotype A and C Lipooligosaccharides from Moraxella catarrhalis

Hu, Wei-Gang, Chen, Jing, McMichael, John C., Gu, Xin-Xing

A monoclonal antibody (MAb), designated MAb 8E7 (immunoglobulin G3), specific for Moraxella catarrhalis lipooligosaccharide (LOS) was evaluated for its functional activity in vitro and in a mouse...

Enhancement of Clearance of Bacteria from Murine Lungs by Immunization with Detoxified Lipooligosaccharide from Moraxella catarrhalis Conjugated to Proteins

Hu, Wei-Gang, Chen, Jing, Battey, James F., Gu, Xin-Xing

Moraxella catarrhalis strain 25238 detoxified lipooligosaccharide (dLOS)-protein conjugates induced a significant rise of bactericidal anti-LOS antibodies in animals. This study reports the effect of...

Synthesis and Characterization of Lipooligosaccharide-Based Conjugates as Vaccine Candidates for Moraxella (Branhamella) catarrhalis

Gu, Xin-Xing, Chen, Jing, Barenkamp, Stephen J., Robbins, John B., Tsai, Chao-Ming, Lim, David J., ...

Moraxella (Branhamella) catarrhalis is an important cause of otitis media and sinusitis in children and of lower respiratory tract infections in adults. Lipooligosaccharide (LOS) is a major surface...

Specific Immune Responses and Enhancement of Murine Pulmonary Clearance of Moraxella catarrhalis by Intranasal Immunization with a Detoxified Lipooligosaccharide Conjugate Vaccine

Jiao, Xinan, Hirano, Takashi, Hou, Yingchun, Gu, Xin-Xing

Moraxella catarrhalis is an important human mucosal pathogen. This study investigated the effect of intranasal immunization with a detoxified-lipooligosaccharide-cross-reactive mutant of diphtheria...

Synthesis and Characterization of Lipooligosaccharide-Based Conjugate Vaccines for Serotype B Moraxella catarrhalis

Yu, Shengqing, Gu, Xin-Xing

Moraxella catarrhalis is an important cause of otitis media in children and respiratory tract infections in the elderly. Lipooligosaccharide (LOS) is a major surface antigen of the bacterium that...

Moraxella catarrhalis Bacterium without Endotoxin, a Potential Vaccine Candidate

Peng, Daxin, Hong, Wenzhou, Choudhury, Biswa P., Carlson, Russell W., Gu, Xin-Xing

Lipooligosaccharide (LOS) is a major surface component of Moraxella catarrhalis and a possible virulence factor in the pathogenesis of human infections caused by this organism. The presence of LOS on...

Roles of 3-Deoxy-d-manno-2-Octulosonic Acid Transferase from Moraxella catarrhalis in Lipooligosaccharide Biosynthesis and Virulence

Peng, Daxin, Choudhury, Biswa P., Petralia, Ronald S., Carlson, Russell W., Gu, Xin-Xing

Lipooligosaccharide (LOS), a major outer membrane component of Moraxella catarrhalis, is a possible virulence factor in the pathogenesis of human infections caused by the organism. However,...

Activation of NF-κB by nontypeable Hemophilus influenzae is mediated by toll-like receptor 2-TAK1-dependent NIK–IKKα/β–IκBα and MKK3/6–p38 MAP kinase signaling pathways in epithelial cells

Shuto, Tsuyoshi, Xu, Haidong, Wang, Beinan, Han, Jiahuai, Kai, Hirofumi, Gu, Xin-Xing, ...

Nontypeable Hemophilus influenzae (NTHi) is an important human pathogen in both children and adults. In children, it causes otitis media, the most common childhood infection and the leading cause of...

Identification of Common Lipooligosaccharide Types in Isolates from Patients with Otitis Media by Monoclonal Antibodies against Nontypeable Haemophilus influenzae 9274

Ueyama, Tomoyo, Gu, Xin-Xing, Tsai, Chao-Ming, Karpas, Arthur B., Lim, David J.

Twenty-one murine monoclonal antibodies (MAbs) were induced by nontypeable Haemophilus influenzae (NTHi) 9274. Nineteen MAbs were specific for the lipooligosaccharide (LOS) as determined by...

Outer Membrane Proteins as a Carrier for Detoxified Lipooligosaccharide Conjugate Vaccines for Nontypeable Haemophilus influenzae

Wu, Ting-Huai, Gu, Xin-Xing

Nontypeable Haemophilus influenzae (NTHi) is a common cause of otitis media and respiratory tract infections. Outer membrane proteins (OMP) and lipooligosaccharide (LOS) are major surface antigens of...

Functional Characteristics of a Protective Monoclonal Antibody against Serotype A and C Lipooligosaccharides from Moraxella catarrhalis

Hu, Wei-Gang, Chen, Jing, McMichael, John C., Gu, Xin-Xing

A monoclonal antibody (MAb), designated MAb 8E7 (immunoglobulin G3), specific for Moraxella catarrhalis lipooligosaccharide (LOS) was evaluated for its functional activity in vitro and in a mouse...

Enhancement of Clearance of Bacteria from Murine Lungs by Immunization with Detoxified Lipooligosaccharide from Moraxella catarrhalis Conjugated to Proteins

Hu, Wei-Gang, Chen, Jing, Battey, James F., Gu, Xin-Xing

Moraxella catarrhalis strain 25238 detoxified lipooligosaccharide (dLOS)-protein conjugates induced a significant rise of bactericidal anti-LOS antibodies in animals. This study reports the effect of...

Synthesis and Characterization of Lipooligosaccharide-Based Conjugates as Vaccine Candidates for Moraxella (Branhamella) catarrhalis

Gu, Xin-Xing, Chen, Jing, Barenkamp, Stephen J., Robbins, John B., Tsai, Chao-Ming, Lim, David J., ...

Moraxella (Branhamella) catarrhalis is an important cause of otitis media and sinusitis in children and of lower respiratory tract infections in adults. Lipooligosaccharide (LOS) is a major surface...

Specific Immune Responses and Enhancement of Murine Pulmonary Clearance of Moraxella catarrhalis by Intranasal Immunization with a Detoxified Lipooligosaccharide Conjugate Vaccine

Jiao, Xinan, Hirano, Takashi, Hou, Yingchun, Gu, Xin-Xing

Moraxella catarrhalis is an important human mucosal pathogen. This study investigated the effect of intranasal immunization with a detoxified-lipooligosaccharide-cross-reactive mutant of diphtheria...

Synthesis and Characterization of Lipooligosaccharide-Based Conjugate Vaccines for Serotype B Moraxella catarrhalis

Yu, Shengqing, Gu, Xin-Xing

Moraxella catarrhalis is an important cause of otitis media in children and respiratory tract infections in the elderly. Lipooligosaccharide (LOS) is a major surface antigen of the bacterium that...

Roles of 3-Deoxy-d-manno-2-Octulosonic Acid Transferase from Moraxella catarrhalis in Lipooligosaccharide Biosynthesis and Virulence

Peng, Daxin, Choudhury, Biswa P., Petralia, Ronald S., Carlson, Russell W., Gu, Xin-Xing

Lipooligosaccharide (LOS), a major outer membrane component of Moraxella catarrhalis, is a possible virulence factor in the pathogenesis of human infections caused by the organism. However,...

Moraxella catarrhalis Bacterium without Endotoxin, a Potential Vaccine Candidate

Peng, Daxin, Hong, Wenzhou, Choudhury, Biswa P., Carlson, Russell W., Gu, Xin-Xing

Lipooligosaccharide (LOS) is a major surface component of Moraxella catarrhalis and a possible virulence factor in the pathogenesis of human infections caused by this organism. The presence of LOS on...

Biological and Immunological Characteristics of Lipooligosaccharide-Based Conjugate Vaccines for Serotype C Moraxella catarrhalis▿

Yu, Shengqing, Gu, Xin-Xing

Moraxella catarrhalis is an important bacterial cause of otitis media in children and respiratory tract infections in the elderly. Lipooligosaccharide (LOS), a major surface antigen of this...

Galactose Residues on the Lipooligosaccharide of Moraxella catarrhalis 26404 Form the Epitope Recognized by the Bactericidal Antiserum from Conjugate Vaccination▿

Yu, Shengqing, Xie, Hang, Datta, Anup, Naidu, Natasha, Gu, Xin-Xing

Lipooligosaccharide (LOS) from Moraxella catarrhalis has the potential to elicit bactericidal antibodies against the pathogen. We generated LOS-based conjugate vaccines that elicited bactericidal...

The structural heterogeneityof the lipooligosaccharide (LOS) expressed by pathogenic non-typeable Haemophilus influenzae strain NTHi 9274

Rahman, M.Mahbubur, Gu, Xin-Xing, Tsai, Chao-Ming, Kolli, V.S.Kumar, W.Carlson, Russell

Nontypeable Haemophilus influenzae (NTHi)is an important pathogen responsible for otitis media in childrenand of pneumonitis in adults with depressed resistance. NTHi is acapsularand, therefore,...