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Bone marrow biopsies of 58 untreated patients with Hodgkin's disease were evaluated. Marrow involvement was seen in 36.2 % cases. Positive marrow biopsies were seen mainly in patients with clinical stages III and IV. Bone marrow involvement was most common in patients with less than 15 years of age and in males. HD patients with mixed cellularity had(More)
INTRODUCTION Giant cell tumors of skeleton are very rare in pediatric and adolescent population. Here we report two cases-one a fifteen year old child with swelling distal humerus and another a case of a thirteen year old child with pain and swelling proximal tibia. CASE REPORT A fifteen year old child presented to department of orthopedics of our(More)
A number of homeodomain proteins have been shown to regulate cellular development by stimulating the transcription of specific target genes. In contrast to their distinct activities in vivo, however, most homeodomain proteins bind indiscriminately to potential target sites in vitro, suggesting the involvement of cofactors which specify target site(More)
The homeobox protein STF-1 appears to function as a master control switch for expression of the pancreatic program during development. Here we characterize a composite enhancer which directs STF-1 expression to pancreatic islet cells via two functional elements that recognize the nuclear factors HNF-3beta and BETA-2. In keeping with their inhibitory effects(More)
A novel 913-amino acid protein, gamma-aminobutyric acid type A (GABA(A)) receptor interacting factor-1 (GRIF-1), has been cloned and identified as a GABA(A) receptor-associated protein by virtue of its specific interaction with the GABA(A) receptor beta 2 subunit intracellular loop in a yeast two-hybrid assay. GRIF-1 has no homology with proteins of known(More)
The commitment of cells to specific lineages during development is determined in large part by the relative expression of various homeodomain (HOX) selector proteins, which mediate the activation of distinct genetic programs. But the mechanisms by which individual HOX genes are themselves targeted for expression in different cell types remain largely(More)
Plants respond to heavy metal stress by metal complexation process like production of phytochelations or by other metal chelating peptides. In this paper we report the synthesis of silver nanoparticles (AgNPs) from the room dried stem and root of Ocimum sanctum. The broth of the plant is used as a reducing agent for the synthesis of Ag nanoparticles at room(More)
The development of endocrine cell types within the pancreas is thought to involve the progressive restriction of pluripotential stem cells, which gives rise to the four major cell types: insulin-, glucagon-, somatostatin-, and pancreatic polypeptide-expressing cells. The mechanism by which these peptide hormone genes are induced and then either maintained(More)
A single-step environmental friendly approach is employed to synthesize silver nanoparticles. The biomolecules found in plants induce the reduction of Ag(+) ions from silver nitrate to silver nanoparticles (AgNPs). UV-visible spectrum of the aqueous medium containing silver ions demonstrated a peak at 425 nm corresponding to the plasmon absorbance of silver(More)