Comment détecte-t-on les anticorps dans le sang ?

On utilise des tests sérologiques comme l'ELISA pour mesurer les anticorps.

Quels tests sont utilisés pour les anticorps spécifiques ?

Des tests comme l'immunofluorescence ou les tests d'agglutination sont utilisés.

Les anticorps peuvent-ils indiquer une infection ?

Oui, la présence d'anticorps spécifiques peut indiquer une infection antérieure.

Qu'est-ce qu'un titre d'anticorps ?

C'est une mesure de la concentration d'anticorps dans le sang, indiquant l'immunité.

Les anticorps peuvent-ils être détectés chez les nouveau-nés ?

Oui, les anticorps maternels peuvent être détectés chez les nouveau-nés.

Quels symptômes indiquent une réponse immunitaire ?

Fièvre, fatigue, et inflammation peuvent indiquer une réponse immunitaire active.

Les anticorps causent-ils des symptômes ?

Non, ce sont les maladies ou infections que les anticorps combattent qui causent des symptômes.

Comment les anticorps affectent-ils les allergies ?

Les anticorps IgE sont impliqués dans les réactions allergiques, provoquant des symptômes.

Les anticorps peuvent-ils causer des maladies auto-immunes ?

Oui, des anticorps peuvent attaquer les tissus sains, entraînant des maladies auto-immunes.

Quels anticorps sont liés aux infections virales ?

Les anticorps IgM et IgG sont souvent associés aux infections virales.

Comment les vaccins stimulent-ils la production d'anticorps ?

Les vaccins introduisent des antigènes, entraînant la production d'anticorps spécifiques.

Les anticorps peuvent-ils être transférés par le lait maternel ?

Oui, les anticorps maternels sont transférés au bébé par le lait maternel, offrant une protection.

Comment maintenir un système immunitaire fort ?

Une alimentation équilibrée, l'exercice et le sommeil aident à maintenir un système immunitaire fort.

Les anticorps peuvent-ils être utilisés pour prévenir le COVID-19 ?

Des traitements par anticorps monoclonaux sont utilisés pour prévenir les formes graves du COVID-19.

Les anticorps sont-ils efficaces contre toutes les infections ?

Non, leur efficacité dépend du type d'infection et de la réponse immunitaire individuelle.

Comment les anticorps sont-ils utilisés en thérapie ?

Des anticorps monoclonaux sont utilisés pour traiter diverses maladies, y compris le cancer.

Les anticorps peuvent-ils être administrés par injection ?

Oui, les anticorps peuvent être administrés par injection pour traiter certaines maladies.

Qu'est-ce que l'immunothérapie par anticorps ?

C'est un traitement qui utilise des anticorps pour renforcer la réponse immunitaire contre le cancer.

Les anticorps peuvent-ils être utilisés pour prévenir des maladies ?

Oui, des anticorps spécifiques peuvent être administrés pour prévenir certaines infections.

Quels sont les effets secondaires des traitements par anticorps ?

Les effets secondaires peuvent inclure des réactions allergiques et des infections.

Quels sont les risques d'une surproduction d'anticorps ?

Une surproduction peut entraîner des maladies auto-immunes ou des allergies graves.

Les anticorps peuvent-ils causer des réactions allergiques ?

Oui, certains anticorps peuvent provoquer des réactions allergiques en réponse à des allergènes.

Quelles complications peuvent survenir avec des anticorps monoclonaux ?

Des infections, des réactions allergiques et des effets secondaires peuvent survenir.

Les anticorps peuvent-ils interférer avec d'autres traitements ?

Oui, certains anticorps peuvent interagir avec d'autres médicaments, affectant leur efficacité.

Quelles sont les complications des maladies auto-immunes ?

Les complications incluent des dommages aux organes, des infections et une qualité de vie réduite.

Quels facteurs augmentent le risque de maladies auto-immunes ?

Des facteurs génétiques, environnementaux et hormonaux peuvent augmenter ce risque.

Le stress influence-t-il la production d'anticorps ?

Oui, le stress chronique peut affecter la réponse immunitaire et la production d'anticorps.

L'âge influence-t-il la réponse des anticorps ?

Oui, la réponse des anticorps peut diminuer avec l'âge, rendant les personnes âgées plus vulnérables.

Les infections antérieures affectent-elles la production d'anticorps ?

Oui, des infections antérieures peuvent influencer la mémoire immunitaire et la production d'anticorps.

Les habitudes alimentaires influencent-elles les anticorps ?

Oui, une alimentation riche en nutriments peut soutenir la production d'anticorps et la santé immunitaire.

Anticorps - Informations médicales vérifiées

Classification of Local Recurrence After Nipple-Sparing Mastectomy Based on Location: The Features of Nipple-Areolar Recurrence Differ from Those of Other Local Recurrences.

Mar 2023

DOI: 10.1245/s10434-022-12760-1 PMID: 36371582

Little information is available about the clinical and pathologic characteristics of local recurrence (LR) after nipple-sparing mastectomy according to the locations of LR.... This study classified 99 patients into the following two groups according to the location of LR after nipple-sparing mastectomy: nipple-areolar recurrence (NAR) group and other locations of LR (oLR) g... For about half of the patients (44.4 %) with NAR, the primary cancer was estrogen receptor (ER)-negative and human epidermal growth factor receptor 2 (HER2)-positive. Conversely, in most of the patien... This multi-institutional retrospective study demonstrated that the features of NAR, such as the characteristics of the primary and recurrent tumors and the prognostic factors after LR resection, were ...

Humans Female Breast Neoplasms Mastectomy Nipples +4 autres

Feasibility of local therapy for recurrent pancreatic cancer.

Sep 2022

DOI: 10.1016/j.pan.2022.05.004 PMID: 35641368

Despite advances in perioperative management, recurrence after curative pancreatectomy is a critical issue in the treatment of pancreatic ductal adenocarcinoma (PDAC). The significance of local therap... We reviewed the medical records of patients with PDAC who underwent curative resection at our institution between January 2009 and December 2019. We examined the patterns of relapse and assessed the c... A total of 246 patients with PDAC who underwent R0 or R1 resection were included in this study. The 3-year overall survival (OS) rate was 39.8%, and the 1-year recurrence-free survival rate was 51.2% ... Our results suggest that a multimodal approach may improve the clinical outcomes of patients with recurrent PDAC....

Adenocarcinoma Carcinoma, Pancreatic Ductal Feasibility Studies Humans Neoplasm Recurrence, Local +6 autres

Ultrasound Assessment of Skin Tumors Local Recurrence.

Oct 2023

DOI: 10.1002/jum.16255 PMID: 37195073

Skin cancer may recur at or around the surgical site despite wide excisions. Prompt clinical and sonographic detection of local recurrence is important since subjects with relapsing melanomas or nonme...

Humans Skin Neoplasms Skin Melanoma Ultrasonography +1 autres

Pathological determinants of outcome following resection of locally advanced or locally recurrent rectal cancer.

Nov 2023

DOI: 10.1016/j.ejso.2023.06.023 PMID: 37442715

Pathological factors that influence and predict survival following pelvic exenteration (PE) for locally advanced (LARC) or locally recurrent rectal cancer (LRRC), especially LRRC, remain poorly unders... A retrospective cohort study was performed for all patients undergoing a curative PE for LARC or LRRC between 2008 and 2021 at a tertiary referral UK specialist colorectal hospital. Cox regression ana... 388 patients were included in the analysis with 256 resections for LARC and 132 for LRRC. 62.4% of patients were male with a median age of 59 years (IQR 49-67). 247 (64%) partial pelvic exenterations ... A positive resection margin and poorly differentiated tumours are significant negative prognostic markers for survival and recurrence in LARC. The results of this study support the need to look for al...

Humans Male Middle Aged Aged Female +7 autres

Intraparenchymal metastases as a cause for local recurrence of pancreatic cancer.

Feb 2023

DOI: 10.1111/his.14839 PMID: 36371607

Using CODA, a technique for three-dimensional reconstruction of large tissues, Kiemen et al. report observation of a microscopic focus of pancreatic cancer found in the vasculature of grossly normal h...

Humans Pancreatic Neoplasms Pancreas Neoplasm Recurrence, Local Pancreatic Neoplasms

Does the Addition of Mutations of CTNNB1 S45F to Clinical Factors Allow Prediction of Local Recurrence in Patients With a Desmoid Tumor? A Local Recurrence Risk Model.

01 10 2023

DOI: 10.1097/CORR.0000000000002627 PMID: 37104792

The initial approach to the treatment of desmoid tumors has changed from surgical resection to watchful waiting. However, surgery is still sometimes considered for some patients, and it is likely that... We sought to explore whether a combined molecular and clinical prognostic model for relapse in patients with desmoid tumors treated with surgery would allow us to identify patients who might do well w... This was a retrospective, single-center study of 107 patients with desmoid tumors who were surgically treated between January 1980 and December 2015, with a median follow-up of 106 months (range 7 to ... The multivariable analysis showed that S45F mutations (hazard ratio 5.25 [95% confidence interval 2.27 to 12.15]; p < 0.001) and tumor in the extremities (HR 3.15 [95% CI 1.35 to 7.33]; p = 0.008) wer... CTNNB1 S45F mutations combined with other clinical variables are a potential prognostic biomarker associated with the risk of relapse in patients with desmoid tumors. The developed nomogram is simple ... Level III, therapeutic study....

Humans Fibromatosis, Aggressive Retrospective Studies Neoplasm Recurrence, Local Mutation +2 autres

Risk Factors of Second Local Recurrence in Surgically Treated Recurrent Brain Metastases: An Exploratory Analysis.

Nov 2022

DOI: 10.1016/j.wneu.2022.08.066 PMID: 36028114

A first local recurrence is common after resection or radiotherapy for brain metastasis (BM). However, patients with BMs can develop multiple local recurrences over time. Published data on second loca... Patients were identified from a database at Brigham and Women's Hospital in Boston. Hazard ratios and 95% confidence intervals for predictors of a second local recurrence were computed using a Cox pro... Of 170 identified surgically treated first locally recurrent lesions, 74 (43.5%) progressed to second locally recurrent lesions at a median of 7 months after craniotomy. Subtotal resection of the firs... A second local recurrence occurred after 43.5% of craniotomies for first recurrent lesions. Subtotal resection and infratentorial location were the strongest risk factors for worse second local recurr...

Humans Female Neoplasm Recurrence, Local Prognosis Risk Factors +3 autres

Applying a neoscore in locally advanced rectal cancer is beneficial in predicting local recurrences after surgery.

2023

DOI: 10.1371/journal.pone.0285709 PMID: 37172066

The current study was undertaken to provide more detailed prognostic models for early prediction of local recurrences and local recurrence free survival (RFS) using different radiologic and pathologic... One hundred patients with locally advanced rectal carcinomas decided to receive neoadjuvant CRT were retrospectively recruited, Hazard ratios (HR) were determined in the two cox regression models and ... HR of 1st group of models: T+N, T+N+G, T+N+G+S, T+N+G+S+PNI, and T+N+G+S+PNI+R were summated and categorized into scores, these scores were significantly correlated with the risk of recurrence (Somer'... We propose that the addition of biologic factors to staging of rectal cancer provide precise stratification and association with local recurrences in patients received preoperative CRT....

Humans Retrospective Studies Prognosis Rectum Rectal Neoplasms +6 autres

Surgery of resectable local recurrence following colorectal cancer: Compartmental surgery improves local control.

Nov 2022

DOI: 10.1002/jso.26990 PMID: 35779039

This study aims to identify prognostic factors and define the best extent of surgery for optimizing treatment of local recurrence (LR) following colorectal cancer (CRC).... An institutional database of consecutive patients who underwent radical resection (R0/R1) of LR following CRC was analyzed prospectively from 2010 to 2021 at one tertiary cancer center.... In this study, 75 patients were included with LR following CRC and analyzed. Patients were categorized as compartmental resections (CompRe) (n = 47) if all adjacent organs were systematically removed,... Complete compartmental surgery is safe and improves local control. Optimal LR resection needs to remove all contiguous organs, with or without tumor involvement....

Colorectal Neoplasms Digestive System Surgical Procedures Humans Neoplasm Recurrence, Local Prognosis +3 autres

Recurrent RET fusions in fibrosarcoma-like neoplasms in adult viscera: expanding the clinicopathological and genetic spectrum.

Mar 2023

DOI: 10.1111/his.14847 PMID: 36443894

RET-fused mesenchymal neoplasms mostly affect the soft tissue of paediatric patients. Given their responsiveness to selective RET inhibitors, it remains critical to identify those extraordinary cases ... Clinicopathological features were assessed and partner agnostic targeted next-generation sequencing on clinically validated platforms were performed. The patients were 18, 53, and 55 years old and inc... Our study expands the clinicopathological and genetic spectrum of mesenchymal neoplasms associated with RET fusions....

Female Humans Male Adult Child +7 autres

Anticorps : Questions médicales fréquentes

Termes MeSH sélectionnés :

Questions fréquentes et termes MeSH associés

Diagnostic 5

Symptômes 5

Prévention 5

Traitements 5

Complications 5

Facteurs de risque 5

Contenu validé par Dr Olivier Menir

Sous-catégories

Anticorps anti-idiotypiques

Anticorps anti-archéens

Anticorps antibactériens

Anticorps bispécifiques

Anticorps bloquants

Anticorps catalytiques

Anticorps antifongiques

Anticorps antihelminthe

Anticorps hétérophiles

Anticorps monoclonaux

Anticorps antitumoraux

Anticorps neutralisants

Anticorps phospho-spécifiques

Anticorps antiprotozoaires

Anticorps antiviraux

Autoanticorps

Isotypes des immunoglobulines

Immunoglobulines par voie veineuse

Anticorps anti-insuline

Alloanticorps

Planticorps

Précipitines

Réagines

Antistreptolysine

Anticorps monoclonaux humanisés

Anticorps monoclonaux d'origine murine

Infliximab

Anticorps neutralisants à large spectre

Anticorps antideltarétrovirus

Anticorps de l'hépatite

Anticorps anti-protéines citrullinées

Anticorps antinucléaires

Anticorps antiphospholipides

Facteur néphritique C3

Immunoconglutinines

Immunoglobulines thyréostimulantes

Facteur rhumatoïde

Abatacept

Immunoglobuline A

Immunoglobuline D

Immunoglobuline E

Immunoglobuline G

Immunoglobuline M

Adalimumab

Alemtuzumab

Basiliximab

Bévacizumab

Brentuximab védotine

Cétuximab

Daclizumab

Dénosumab

Gemtuzumab

Inotuzumab ozogamicine

Ipilimumab

Natalizumab

Nivolumab

Omalizumab

Palivizumab

Panitumumab

Ranibizumab

Trastuzumab

Ustékinumab

Rituximab

Anticorps anti-VIH

Anticorps anti-HTLVI

Anticorps anti-HTLVII

Anticorps de l'hépatite A

Anticorps de l'hépatite B

Anticorps de l'hépatite C