PubMed Journals Articles About "Inferior Alveolar Nerve Transection Disturbs Innate Immune Responses" RSS

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Showing "Inferior alveolar nerve transection disturbs innate immune responses" PubMed Articles 1–25 of 13,000+

Inferior alveolar nerve transection disturbs innate immune responses and bone healing after tooth extraction.

Coordination between the nervous and innate immune systems to maintain bone homeostasis is largely uncharacterized. The present study investigated the sensory-immune interaction in resting alveolar bone and healing socket by surgical sensory denervation. Bone histomorphometry and immunohistochemistry showed that sensory denervation resulted in moderate suppression of bone remodeling, with a proinflammatory milieu manifested by increased neutrophil recruitment and possible alternations in macrophage phenotyp...

Role of peptide transporter 2 and MAPK signaling pathways in the innate immune response induced by bacterial peptides in alveolar epithelial cells.

The innate immune response induced by bacterial peptidoglycan peptides, such as γ-d-glutamyl-meso-diaminopimelic acid (iE-DAP), is an important host defense system. However, little is known about the innate immune response in the lung alveolar region. In this study, we examined induction of the innate immune response by iE-DAP in human alveolar epithelial cell lines, NCI-H441 (H441) and A549.

Does the Length of Dental Implants Inserted in Areas of Inferior Alveolar Nerve Lateralization Interfere on Mandibular Resistance to Fracture?

The aim of this study was to compare, in vitro, the mechanical resistance to vertical displacement of the mandible after osteotomy for lateralization of the inferior alveolar nerve and installation of dental implants. One hundred eighty polyurethane mandibles were equally divided into 6 groups: G1-intact hemi-mandibles (control group), G2-hemi-mandibles after osteotomy for lateralization of the inferior alveolar nerve, G3-hemi-mandibles with installation of 3 bicortical dental implants (3.75 × 13 mm), G4...

Nerve to mylohyoid branched from the lingual nerve: previously undescribed case.

The lingual nerve is a branch of the mandibular division of the trigeminal nerve. It descends medial and anterior to the inferior alveolar nerve through the pterygomandibular space, runs by the lingual plate and lingual crest at the lower third molar closely, and supplies sensory fibers to the anterior two-thirds of the tongue. Therefore, injury of this nerve is occasionally induced by wisdom tooth extraction and could lead to paralysis of the tongue. The inferior alveolar nerve gives rise to the nerve to m...

Complete Inferior Rectus Transection Following Blunt Trauma: A Case Report and Novel Approach to Surgical Repair.

Inferior rectus avulsion following blunt trauma is rare, with even fewer reported cases of complete transection. The authors report a case of orbital floor fracture and inferior rectus muscle transection without herniation following blunt orbital trauma. This case first highlights the difficulty in diagnosing complete inferior rectus muscle transection clinically and with imaging and second that an acceptable functional outcome can be achieved by a novel surgical repair approach utilizing contiguous orbital...

Clinical evaluation for coronectomy of the impacted mandibular third molars in close proximity to inferior alveolar nerve.

To evaluate the outcome of coronectomy for management of impacted mandibular third molars in close proximity to inferior alveolar nerve (IAN).

The Glycoprotein and Nucleocapsid Protein of Hantaviruses Manipulate Autophagy Flux to Restrain Host Innate Immune Responses.

Hantavirus infection, which causes severe zoonotic diseases with high mortality in humans, has become a global public health concern. Here, we demonstrate that Hantaan virus (HTNV), the prevalent prototype of the hantavirus in Asia, can restrain innate immune responses by manipulating host autophagy flux. HTNV induces complete mitophagy at the early stage of infection but incomplete autophagy at the late stage, and these responses involve the viral glycoprotein (Gn) and nucleocapsid protein (NP), respective...

A Novel Orthodontic Extraction Method for Removal of Impacted Mandibular Third Molar in Close Proximity to Inferior Alveolar Nerve.

The present study has proposed a novel orthodontic extraction method with a removable appliance to avoid inferior alveolar nerve (IAN) injury during impacted mandibular third molar removal.

Simultaneous blocking of CD47 and PD-L1 increases innate and adaptive cancer immune responses and cytokine release.

Treatment multiple tumors by immune therapy can be achieved by mobilizing both innate and adaptive immunity. The programmed death ligand 1 (PD-L1; or CD274, B7-H1) is a critical "don't find me" signal to the adaptive immune system. Equally CD47 is a critical "don't eat me" signal to the innate immune system and a regulator of the adaptive immune response.

Nrf2 Involvement in Chemical-Induced Skin Innate Immunity.

Exposure to certain chemicals disturbs skin homeostasis. In particular, protein-reactive chemical contact sensitizers trigger an inflammatory immune response resulting in eczema and allergic contact dermatitis. Chemical sensitizers activate innate immune cells which orchestrate the skin immune response. This involves oxidative and inflammatory pathways. In parallel, the Nrf2/Keap1 pathway, a major ubiquitous regulator of cellular oxidative and electrophilic stress is activated in the different skin innate i...

Activation and counteraction of antiviral innate immunity by KSHV: an Update.

The innate immune responses triggering production of type I interferons and inflammatory cytokines constitute a nonspecific innate resistance that eliminates invading pathogens including viruses. The activation of innate immune signaling through pattern recognition receptors (PRRs) is by sensing pathogen-associated molecular patterns derived from viruses. According to their distribution within cells, PRRs are classified into three types of receptors: membrane, cytoplasmic, and nuclear. Kaposi's sarcoma-asso...

Innate Lymphoid Cells in Mucosal Immunity.

Innate lymphoid cells (ILCs) are innate counterparts of T cells that contribute to immune responses by secreting effector cytokines and regulating the functions of other innate and adaptive immune cells. ILCs carry out some unique functions but share some tasks with T cells. ILCs are present in lymphoid and non-lymphoid organs and are particularly abundant at the mucosal barriers, where they are exposed to allergens, commensal microbes, and pathogens. The impact of ILCs in mucosal immune responses has been ...

Immunometabolism and innate immunity in the context of immunological maturation and respiratory pathogens in young children.

Although children growing from birth into young adulthood undergo rapid physiological maturation, their immune systems are also undergoing significant changes that may affect how they respond to microbes and especially respiratory pathogens. A key component of control over microbes is the innate immune system that sustains pathogen suppression/elimination until the adaptive immune system can instigate clearance. Here, this review will summarize key characteristics of the developing innate immune system of n...

Total Mandibular subapical osteotomy to correct Class II with inferior alveolar retrusion.

Class II dento-facial deformity due to inferior alveolar retrusion may be difficult to treat using conventional surgical procedures. The aim of this study was to report on total mandibular subapical osteotomy (TMSO) to correct inferior alveolar retrusion, to describe its indications, the surgical technique and to analyse the aesthetic, occlusal changes and stability.

Poly (lactide-co-glycolide) (PLGA) scaffold induces short-term nerve regeneration and functional recovery following sciatic nerve transection in rats.

Peripheral nerve injury is an important cause of incapability and has limited available treatment. Autologous donor nerve implant is the golden standard treatment, however, may cause secondary deficits. Stem cells show positive results in preclinical settings, preserving tissue and function. We tested the efficacy of stem cells derived from human exfoliated deciduous teeth seeded in poly (lactide-co-glycolide) scaffolds in sciatic nerve transection model. Seventy two adult male Wistar rats had 7 mm nerve ga...

Vagus Nerve Stimulation dampens intestinal inflammation in a murine model of experimental Food Allergy.

The vagus nerve has emerged as an important modulator of the intestinal immune system. Its anti-inflammatory properties have been previously shown in innate and Th1/Th17 predominant inflammatory models. To what extent the vagus nerve is of importance in Th2 inflammatory responses like food allergy is still unclear. In this study we therefor aimed to investigate the effect of vagotomy (VGX) and vagus nerve stimulation (VNS), on the development and severity of experimental food allergy.

The Role of Innate Immune Cells in Nonalcoholic Steatohepatitis.

Inflammation and metabolic dysfunction are hallmarks of nonalcoholic steatohepatitis (NASH), which is one of the fastest-growing liver diseases worldwide. Emerging evidence indicates that innate immune mechanisms are pivotal drivers of inflammation and other pathological manifestations observed in NASH, such as hepatosteatosis, insulin resistance and fibrosis. This robust innate immune reaction is intrinsic to the liver, which is an important immunological organ that contains a coordinated network of innate...

ADP-heptose: A new innate immune modulator.

Lipopolysaccharide (LPS) is a well-known pathogen-associated molecular pattern (PAMP) produced by gram-negative bacteria. Previous studies showed that a key metabolic intermediate in LPS biosynthesis, d-glycero-β-d-manno-heptose 1,7-bisphosphate (HBP), could activate the NF-κB pathway and trigger the innate immune responses. However, it was unclear whether HBP could be a novel PAMP and its pattern recognition receptor (PRR) is not fully understood. Very recently, the Shao group reported that another key m...

Is juxta-apical radiolucency a reliable risk factor for injury to the inferior alveolar nerve during removal of lower third molars?

The aim of this study was to find out if juxta-apical radiolucency (JAR) is a reliable risk factor for injury to the inferior alveolar nerve (IAN) during removal of lower third molars. We designed a cohort study of patients whose dental panoramic tomograms (DPT) had shown JAR before complete removal of lower wisdom teeth. The outcome variable was postoperative permanent neurosensory disturbance of the IAN. A total of 39 patients (50 lower third molars) were identified and screened for permanent neurosensory...

Single-Cell Analysis of Diverse Pathogen Responses Defines a Molecular Roadmap for Generating Antigen-Specific Immunity.

The immune system generates pathogen-tailored responses. The precise innate immune cell types and pathways that direct robust adaptive immune responses have not been fully characterized. By using fluorescent pathogens combined with massively parallel single-cell RNA-seq, we comprehensively characterized the initial 48 h of the innate immune response to diverse pathogens. We found that across all pathogens tested, most of the lymph node cell types and states showed little pathogen specificity. In contrast, ...

Innate Lymphocytes and Malaria - Players or Spectators?

Malaria remains an important global disease. Despite significant advances over the past decade in reducing disease morbidity and mortality, new measures are needed if malaria is to be eliminated. Significant advances in our understanding about host immune responses during malaria have been made, opening up opportunities to generate long-lasting antiparasitic immunity through vaccination or immune therapy. However, there is still much debate over which immune cell populations contribute to immunity to malari...

Characterisation of morphological differences in well-differentiated nasal epithelial cell cultures from preterm and term infants at birth and one-year.

Innate immune responses of airway epithelium are important defences against respiratory pathogens and allergens. Newborn infants are at greater risk of severe respiratory infections compared to older infants, while premature infants are at greater risk than full term infants. However, very little is known regarding human neonatal airway epithelium immune responses and whether age-related morphological and/or innate immune changes contribute to the development of airway disease.

IL-17E (IL-25) enhances innate immune responses during skin inflammation.

IL-17E (IL-25) is a member of the IL-17 cytokine family involved in the promotion of type 2 immune responses. Recently, IL-17E has been reported to be upregulated in distinct skin inflammatory diseases such as psoriasis, atopic and contact dermatitis. We assessed the role played by IL-17E in skin inflammation. Here we show that IL-17E induces skin inflammation in vivo, characterized by the expression of innate immune response genes and the recruitment of innate immune cells, particularly neutrophils. Geneti...

Immune memory characteristics of innate lymphoid cells.

Immune memory is essential for host defense against invaders and it is also used as a basis for vaccine development. For these reasons, it is crucial to understand its molecular basis. In this review, we describe recent findings on memory characteristics of innate-like lymphocytes and its contribution to host protection.(Figure is included in full-text article.) RECENT FINDINGS: In addition to adaptive immune cells, innate cells are also able to mount memory responses through a process called 'trained immun...

Evaluation of the host immune response and functional recovery in peripheral nerve autografts and allografts.

Allogeneic peripheral nerve (PN) transplants are an effective bridge for stimulating regeneration of segmental PN defects, but there are currently no detailed studies about the timeline and scope of the immunological response for PN allografting. In this study, the cellular immune response in PN allografts and autograft was studied during the acute and chronic phases of a 1.0 cm critical size defect in the rat sciatic nerve at 3, 7, 14, 28 and 98 days after grafting autologous or allogeneic nerves witho...

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