Andrei Osman

ORCID: 0000-0001-6967-3789
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About
Contact & Profiles
Research Areas
  • Hearing, Cochlea, Tinnitus, Genetics
  • Fish Biology and Ecology Studies
  • Vestibular and auditory disorders
  • Dysphagia Assessment and Management
  • Cancer-related gene regulation
  • Aquaculture Nutrition and Growth
  • Parasite Biology and Host Interactions
  • Helminth infection and control
  • Wnt/β-catenin signaling in development and cancer
  • Head and Neck Surgical Oncology
  • Esophageal and GI Pathology
  • Oral and Maxillofacial Pathology
  • Ear Surgery and Otitis Media
  • Foreign Body Medical Cases
  • Long-Term Effects of COVID-19
  • Salivary Gland Tumors Diagnosis and Treatment
  • Temporomandibular Joint Disorders
  • Liver Disease Diagnosis and Treatment
  • Barrier Structure and Function Studies
  • Gastrointestinal motility and disorders
  • Myofascial pain diagnosis and treatment
  • Interpreting and Communication in Healthcare
  • Skin Protection and Aging
  • Dental Erosion and Treatment
  • Phonocardiography and Auscultation Techniques

University of Medicine and Pharmacy of Craiova
2015-2025

University of Craiova
2025

Clinical Emergency Hospital Bucharest
2022

University of Agricultural Sciences, Dharwad
2010

Royal Veterinary College
1994-1996

University of London
1994-1996

Universiti Putra Malaysia
1995

Nasal polyps develop as a result of inflammation the nasal and sinus mucosa. Allergies infections cause inflammation, these are main reasons why symptoms appear in first place. This study highlights involvement macrophages, well T- B-lymphocytes, pathophysiology polyps. For evaluation lymphocyte activity, we analyzed immunoexpression cluster differentiation 45RO [CD45RO; common leukocyte antigen (CLA)] for macrophages 68 (CD68). Our research, conducted on 110 sinonasal harvested from chronic...

10.47162/rjme.65.4.12 article EN Romanian Journal of Morphology and Embryology 2025-02-13

Background and Objectives: Tinnitus management in otosclerosis is a significant clinical challenge, especially patients who are ineligible or unwilling to undergo surgical treatment. While surgery may alleviate tinnitus, alternative non-surgical treatments still being explored. This study evaluates the effects of oral calcium fluoride supplementation on tinnitus severity opted for management. Materials Methods: A total 128 with were included this study, which was conducted over five-year...

10.20944/preprints202502.1819.v1 preprint EN 2025-02-24

Tuberculosis (TB) continues to be a major public health challenge in low- and middle-income countries (LMICs), where high burdens of coinfections exacerbate the disease’s impact. In 2023, an estimated 8.2 million people were newly diagnosed with tuberculosis worldwide, reflecting increase from 7.5 2022 7.1 2019. LMICs, limited access healthcare, inadequate nutrition, poor living conditions contribute higher coinfection rates among TB patients, leading delayed diagnosis treatment, which turn...

10.3390/jcm14072154 article EN Journal of Clinical Medicine 2025-03-21

Background and Objectives: The management of chronic tinnitus in patients with otosclerosis presents a considerable clinical challenge, particularly as to those who are either ineligible for or reluctant undergo surgical interventions. Surgical interventions improve hearing levels may provide relief from tinnitus; however, medical research is also focused on alternative non-surgical treatments aimed at symptomatic improvement. This relevant, considering that currently has no definitive cure,...

10.3390/medicina61040569 article EN cc-by Medicina 2025-03-23

Functional abdominal pain disorders (FAPD) are a group of functional gastrointestinal with multifactorial etiology and subclassified using Rome IV criteria into series clinically distinct entities represented by irritable bowel syndrome, dyspepsia, migraine that is not otherwise specified. Digestive associated severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) may be mediated the involvement complex pathogenic mechanisms, which have been under investigation in children since...

10.3390/life12040509 article EN cc-by Life 2022-03-30

Melanoma is a melanocyte-derived skin cancer that has high heterogeneity due to its phenotypic plasticity, trait may explain ability survive in the case of physical or molecular aggression and develop resistance therapy. Therefore, therapy modulation switching combination with other treatment modalities could become common approach any future therapeutic strategy. In this paper, we used syngeneic model B16F10 melanoma implanted C57BL/6 mice evaluate changes induced by iron oxide...

10.3390/ph14101007 article EN cc-by Pharmaceuticals 2021-09-30

Whole-organ plastic resin casting is a very useful method for preserving rare pathological specimens forensic/anatomical studies and teaching/research purposes. Many techniques have been proposed over time, but most of them use special non-commercially available mixtures, lengthy protocols, are overall not easily implemented in any anatomy/pathology department that might need such procedure rapid organ preservation. Here, we utilized anatomical sections the human brain, heart, kidneys,...

10.3390/biomedicines11051433 article EN cc-by Biomedicines 2023-05-12

Composite materials used in dental restorations are considered resistant, long-lasting and aesthetic. As the wear of is an important element long-term use, aim this study was to evaluate surface condition nanohybrid microfilled composite resins, after being subjected erosive action bleaching protocols. This paper reflects a comparative between one nanofilled three composites restorations. For each composite, sets samples (under form discs) were created: control group, "office bleach" group...

10.3390/jfb14100532 article EN cc-by Journal of Functional Biomaterials 2023-10-21

Epidermal growth factor receptor (EGFR) is a tyrosine kinase molecule associated to the initial stages of neoplastic transformation. High expression EGFR connected aggressive tumor behavior and high risk metastasis treatment failure. The aim our study was analyze immunohistochemical in 38 cases laryngeal squamous cell carcinomas depending on clinicopathological parameters related prognosis. immunoreactions have statistical significant higher values grade carcinomas. Although were superior...

10.12865/chsj.43.04.09 article EN PubMed 2017-10-01

A high risk of developing insulin resistance (IR) and, eventually, type 2 diabetes mellitus (T2DM) is associated with chronic hepatitis C virus (HCV). Multiple mechanisms can account for the development IR in HCV patients, steatosis or fatty liver that lead to metabolic syndrome, and inflammatory process presence infection. In this article, we analyze reported values homoeostasis model assessment (HOMA-IR) before after successful direct-acting agents (DAAs) treatment literature (23 studies)...

10.3390/reports5040042 article EN cc-by Reports — Medical Cases Images and Videos 2022-10-25

An inverted papilloma is a medical condition in which epithelial cells placed on the surface grow depth into underlying supporting tissue. The case of 68-year-old man with 6-month history right-sided complete nasal obstruction, who was referred to ENT Department our hospital, presented. associated symptoms were represented by repeated epistaxis, rhinorrhea and anosmia. From clinical point view, polypous reddish-gray irregular mass, cauliflower-like appearance, has been described. formation...

10.22543/2392-7674.1508 article EN cc-by-nc-nd Journal of Mind and Medical Sciences 2024-10-31

Renal cell clear carcinomas (ccRCC) represent 75% of the malignant renal neoplasias. A critical molecular characteristic in epithelial-mesenchymal transition (EMT) is loss E-cadherin expression, as well transcription factors, one most important which Snail. In current study, we analyzed immunoexpression two markers 46 cases carcinomas, with reference to prognosis histopathological factors. Our results indicated significant associations between overexpression Snail, under expression and high...

10.12865/chsj.45.02.09 article EN PubMed 2019-10-19

Abstract Dictyocaulus viviparus were harvested from calves treated daily with albendazole at dose-rates sub-lethal to this parasite and matched untreated calves. Male female reproductive tracts the worms examined by light transmission electron microscopy. A first description of testis nematode is provided. Cell division in germinal zone both male was arrested vivo exposure metabolites cytoplasmic threads connecting cells rachis disappeared. In calves, absent growth severe ultrastructural...

10.1017/s0022149x00013705 article EN Journal of Helminthology 1994-06-01

The objective of this study was to identify and map bacteriological profiles antibiotic susceptibility patterns complicated bacterial infections in the otorhinolaryngological (ENT) spectrum. Antibiotic resistance another goal our study. We defined as: acute pathology ears, nose throat with complications that required immediate surgical approach, chronic diseases treatment due ongoing infections, middle ear cholesteatoma complications, suppurated tonsillitis children, intratonsillar abscess,...

10.37358/rc.19.12.7770 article EN cc-by Revista de Chimie 2020-01-19

The basaloid carcinoma is a rare and distinct type of squamous carcinoma. Of all the carcinomas, tumor noted for its high aggressivity fast replication rate. It usually discovered within upper levels larynx (supraglottis), tongue base or piriform sinuses in male patients ranging from sixty to eighty years old. also means discovery late event thus associating relatively low survival rate first 5 years. current paper presents case patient diagnosed with malign which then identified as being...

10.12865/chsj.41.04.18 article EN PubMed 2015-10-01

Our objective was to overview recent data on metabolic/endocrine disorders with respect e-cigarette (e-cig) use. This is a narrative review; we researched English, full-length, original articles PubMed (between January 2020 and August 2023) by using different keywords in the area of issues. We only included clinical studies (n = 22) excluded case reports experimental studies. 3 (N1 22,385; N2 600,046; N3 5101) addressed prediabetes risk; N1 showed 1.57-fold increased risk dual vs. never...

10.3390/metabo13121192 article EN cc-by Metabolites 2023-12-08
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