Dr. Irina  Kaminyar  Do image

Dr. Irina Kaminyar Do

24023 68Th Ave
Douglaston NY 11362
718 248-8179
Medical School: Other - Unknown
Accepts Medicare: No
Participates In eRX: No
Participates In PQRS: No
Participates In EHR: No
License #: 256122
NPI: 1144668484
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The Ability of Multipotent Mesenchymal Stromal Cells from the Bone Marrow of Patients with Leukemia to Maintain Normal Hematopoietic Progenitor Cells. - European journal of haematology
The development of leukemia impairs normal hematopoiesis and marrow stromal microenvironment. The aim of the investigation was to study the ability of multipotent mesenchymal stromal cells (MSCs) derived from the bone marrow of patients with leukemia to maintain normal hematopoietic progenitor cells.MSCs were obtained from the bone marrow of 14 patients with acute lymphoblastic (ALL), 25 with myeloid (AML) and 15 with chronic myeloid (CML) leukemia. As a control, MSCs from 22 healthy donors were used. The incidence of cobblestone area forming cells (CAFC 7-8 days) in the bone marrow of healthy donor cultivated on the supportive layer of patients MSCs was measured.The ability of MSCs from AML and ALL patients at the moment of diagnosis to maintain normal CAFC was significantly decreased when compared to donors. After chemotherapy the restoration of ALL patients' MSCs functions was slower than that of AML. CML MSCs maintained CAFC better than donors' at the moment of diagnosis and this ability increased with treatment.The ability of patients' MSCs to maintain normal hematopoietic progenitor cells was shown to change in comparison with MSCs from healthy donors and depended on nosology. During treatment, the functional capacity of patients' MSCs had been partially restored. This article is protected by copyright. All rights reserved.This article is protected by copyright. All rights reserved.
Octreotide-associated cholestasis and hepatitis in an infant with congenital hyperinsulinism. - Journal of pediatric endocrinology & metabolism : JPEM
Congenital hyperinsulinism (CHI) is the most common cause of prolonged hypoglycemia in the neonate. It is caused by several genetic mutations that interfere with the cascade of normal insulin secretion from pancreatic beta cells. Octreotide, a somatostatin analog, suppresses insulin secretion from pancreatic beta cells, and is an effective therapy used for both short and long term in the treatment of CHI. It is well tolerated in most patients; however, several adverse effects have been reported, most of them mild and transient. Impaired liver function has been described previously in few children. Here, we describe about a child with CHI treated with continuous intravenous octreotide who developed cholestasis and hepatitis after a short period of treatment. This combination of liver effects with a short duration of treatment has not been reported previously with octreotide use in this population.
Viral meningitis admitted to an infectious diseases hospital: a retrospective case series. - Revista medico-chirurgicală̆ a Societă̆ţ̜ii de Medici ş̧i Naturaliş̧ti din Iaş̧i
Given its epidemic potential and development of severe forms of disease, viral meningitis (VM) is a serious public health characterize the main clinical, epidemiologic features, the etiology and treatment of VM cases admitted to the Iasi Infectious Diseases Hospital, in 2012.We retrospectively analyzed the medical records of the patients admitted for viral meningitis at the Iasi "St. Parascheva" Infectious Diseases Hospital in the interval January 1- December 31, 2012 (98 cases). The etiologic diagnosis was made by determining the IgM/IgG antibodies against Coxsackie virus and/or West Nile virus in blood/CSF.There was a fourfold increase in the number of cases as compared to the average for the years 2009-2011. Most cases (73.5%) were children aged 1 to 14 years. 61.8% of patients were males, 51.7% from urban areas. The most common symptom was headache (85.7%), followed by fever (77.6%), and vomiting (66.3%). Neck stiffness was absent in 28.6% cases. In43.5% of the 39 patients serologically investigated a Coxsackie virus infection was confirmed and 1/20 was positive for West Nile virus; three varicella-zoster virus infections and one mumps infection were diagnosed clinically. 68.3% of the patients received first-line antibiotic treatment.The illness mainly affected children, fever and neck stiffness being sometimes absent. The etiology was known in 22.4% of cases; enter viruses being the most frequent causative agent. Most patients received antibiotic therapy. The course was favorable in all cases.
Prevalence of human papillomaviruses in patients with head and neck squamous cell carcinoma in Lithuania and Belarus. - Journal of medical virology
Overall, head and neck sqamous cell carcinoma accounts for more than 550,000 cases annually worldwide. It is well known that human papillomavirus (HPV) is the main risk factor for cervical cancer development. As the incidence and the mortality of cervical cancer are closely related to the HPV prevalence, we hypothesized that there is the same association between HPV prevalence and head and neck squamous cell carcinoma. Therefore we performed the study aiming to compare the level of HPV infection and HPV type distribution between two groups of Lithuanian and Belarusian patients with head and neck sqamous cell carcinoma. One hundred ninety head and neck sqamous cell carcinoma patients were included in the study, 75 from Lithuania and 115 from Belarus. PCR was used for HPV detection and typing. The distribution of HPV infection among head and neck sqamous cell carcinoma patients was similar in the Lithuanian (20.0%) and Belarusian (18.3%) patient groups, however differences were found in the distribution of HPV types.© 2013 Wiley Periodicals, Inc.
A putative role for the immunoproteasome in the maintenance of pluripotency in human embryonic stem cells. - Stem cells (Dayton, Ohio)
The function of the proteasome is essential for maintenance of cellular homeostasis, and in pluripotent stem cells, this has been extended to the removal of nascent proteins in a manner that restricts differentiation. In this study, we show enhanced expression of genes encoding subunits of the 20S proteasome in human embryonic stem cells (hESCs) coupled to their downregulation as the cells progress into differentiation. The decrease in expression is particularly marked for the alternative catalytic subunits of the 20S proteasome variant known as the immunoproteasome indicating the possibility of a hitherto unknown function for this proteasome variant in pluripotent cells. The immunoproteasome is normally associated with antigen-presenting cells where it provides peptides of an appropriate length for antibody generation; however, our data suggest that it may be involved in maintaining the pluripotency in hESCs. Selective inhibition of two immunoproteasome subunits (PSMB9 and PSMB8) results in downregulation of cell surface and transcriptional markers that characterize the pluripotent state, subtle cell accumulation in G1 at the expense of S-phase, and upregulation of various markers characterizing the differentiated primitive and definitive lineages arising from hESC. Our data also support a different function for each of these two subunits in hESC that may be linked to their selectivity in driving proteasome-mediated degradation of cell cycle regulatory components and/or differentiation inducing factors.Copyright © 2012 AlphaMed Press.
Anti-tumor activity of immunomodulatory peptide alloferon-1 in mouse tumor transplantation model. - International immunopharmacology
Alloferons are a group of antiviral and anti-tumor peptides primarily isolated from insects and stimulating cytotoxic activity of natural killer cells in mammals including mice and humans. Alloferon-1 is currently used in the treatment of persistent viral infections; however its anti-tumor potential needs further preclinical assessment. Here we evaluate alloferon-1 anti-tumor activity in DBA/2 mice grafted with syngenic P388 murine leukemia cells. Alloferon-1 was applied alone or in combination with conventional cytotoxic chemotherapy (a mixture of cyclophosphamide, doxorubicin and vincristine). Alloferon-1 monotherapy demonstrated moderate tumoristatic and tumoricidal activities comparable with low dose chemotherapy. When alloferon-1 and the cytotoxic drugs were combined in a regime of pulse immunochemotherapy the combination anti-tumor activity evidently exceeded that of the treatments applied individually.Copyright © 2011 Elsevier B.V. All rights reserved.
Enhanced antibacterial effect of silver nanoparticles obtained by electrochemical synthesis in poly(amide-hydroxyurethane) media. - Journal of materials science. Materials in medicine
In the present study, we report enhanced antimicrobial properties of 29 and 23 nm silver nanoparticles (Ag NPs) obtained by electrochemical synthesis in poly(amide-hydroxyurethane) media. Antibacterial activity assessed by disk diffusion method indicates that silver nanoparticles produced inhibition zones for both Escherichia coli and Staphylococcus aureus depending on silver concentration. The bacterial growth curve performed in the presence of silver nanoparticles showed a stronger antibacterial effect at lower concentrations than those described in the earlier reports. The effect was both dose and size dependent and was more pronounced against Gram negative bacteria than Gram positive one. The smallest Ag NPs used had a bactericidal effect resulting in killing E. coli cells. Scanning electron microscopy analysis indicated major damage and morphology changes of the silver nanoparticles treated bacterial cells. The major mechanism responsible for the antibacterial effect probably consists in clusters formation and nanoparticles anchorage to the bacterial cell surface.
Long-term results after muscle-rib flap transfer for reconstruction of composite limb defects. - Microsurgery
The authors present the long-term results in a series of 44 cases with post-traumatic bone defects solved with muscle-rib flaps, between March 1997 and December 2007. In these cases, we performed 21 serratus anterior-rib flaps (SA-R), 10 latissimus dorsi-rib flaps (LD-R), and 13 LD-SA-R. The flaps were used in upper limb in 18 cases and in lower limb in 26 cases. With an overall immediate success rate of 95.4% (42 of 44 cases) and a primary bone union rate of 97.7% (43 of 44 cases), and despite the few partisans of this method, we consider that this procedure still remains very usefully for small and medium bone defects accompanied by large soft tissue defects.Copyright © 2011 Wiley-Liss, Inc.
Mowat-Wilson syndrome: the first two Malaysian cases. - Singapore medical journal
Mowat-Wilson syndrome (MWS) is a recently delineated mental retardation; a multiple congenital anomaly syndrome characterised by a typical facial gestalt, Hirschsprung disease or severe constipation, genitourinary anomaly, congenital heart defects, agenesis of corpus callosum and eye defects. Some cases also present with epilepsy, growth retardation with microcephaly and speech impairment. MWS was first described in 1998 by Mowat et al, and approximately 180 cases have been reported as of August 2008. The syndrome occurs as a result of heterozygous mutations or deletions in the zinc finger E-box-binding homeobox 2 gene, ZEB2, previously called ZFHX1B (SIP1). Most cases reported so far were sporadic occurrences; however, rare cases of sibling recurrence have been cited. The facial phenotype is particularly important for the initial clinical diagnosis and provides the hallmark, warranting ZEB2 mutational analysis even in the absence of Hirschsprung disease. We present the first two molecularly confirmed Malaysian MWS patients, one of whom has a novel mutation.
Outcome of hematopoietic stem cell transplantation of children with very high risk acute lymphoblastic leukemia in first complete remission. - Pediatric transplantation
Approximately 10% of children with ALL present at diagnosis with VHR for relapse if treated with chemotherapy alone. They may benefit from allogeneic HSCT in CR1. We have reviewed the outcome of this population in our institution. Forty-three patients (median age: 8.9 yr) with VHR ALL in CR1 underwent HSCT from October 1994 to April 2006. VHR features included Philadelphia chromosome (n = 17), induction failure (n = 9), hypodiploidy (n = 6), MLL gene rearrangement (n = 5), and others (n = 6). All patients received TBI (1200 cGy) with either CY and/or etoposide. Stem cell source was unrelated (n = 24) and related (n = 19). Incidence of grade III-IV acute GVHD and chronic extensive GVHD were 25% and 16%, respectively. Twelve patients relapsed (eight received related HSCT). Eleven patients died due to transplant-related mortality (eight received unrelated HSCT). For a median follow up of 39 months (range 11-110), the event free survival and OS were 0.49 (95% CI: 0.31-0.67) and 0.53 (CI: 0.44-0.71), respectively. Outcomes of children with VHR ALL receiving HSCT in CR1 remain unsatisfactory. Relapse, mainly after related HSCT, and TRM, mainly after unrelated HSCT, continue to be major problems.

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