Otolaryngologist (ear, nose, throat)
9 years of experience
Accepting new patients

Education ?

Medical School Score
Wayne State University (2001)
  • Currently 1 of 4 apples

Awards & Distinctions ?

Hour Detroit Magazine's TOP DOCS: 2010, 2011, 2012
Detroit Hour Magazine's Top Docs (2010)
Hour Detroit Magazine's Top Docs (2010)
Hour Detroit Magazine's Top Docs (2011)
Hour Detroit Magazine's Top Docs (2010), Hour Detroit Magazine's Top Docs (2011)
Patients' Choice Award (2011 - 2012)
Compassionate Doctor Recognition (2010 - 2012)
American Rhinologic Society
American Board of Otolaryngology

Affiliations ?

Dr. Folbe is affiliated with 20 hospitals.

Hospital Affilations



  • Beaumont Hospital, Grosse Pointe
    468 Cadieux Rd, Grosse Pointe, MI 48230
    • Currently 4 of 4 crosses
    Top 25%
  • Crittenton Hospital Medical Center
    1101 W University Dr, Rochester, MI 48307
    • Currently 4 of 4 crosses
    Top 25%
  • DMC - Sinai-Grace Hospital
    6071 W Outer Dr, Detroit, MI 48235
    • Currently 3 of 4 crosses
    Top 50%
  • Detroit Receiving Hospital & University Health Center
    4201 Saint Antoine St, Detroit, MI 48201
    • Currently 3 of 4 crosses
    Top 50%
  • Beaumont Hospital,Troy
  • Beaumont Hospital, Royal Oak
  • Oakwood Hospital and Medical Center
  • Hutzel Women's Hospital
  • Harper University Hospital
  • Karmanos Cancer Center
    4100 John R St, Detroit, MI 48201
  • Sinai-Grace Hospital
    6071 W Outer Dr, Detroit, MI 48235
  • Children's Hospital of Michigan
  • Barbara Ann Karmanos Cancer Institute
  • Royal Oak (4 Years
  • Beaumont Affiliation & Years on StaffRoyal Oak
  • Royal Oak
  • Oakwood Hospital
  • Harper Hospital
  • Detroit Receiving Hospital
  • Grace Hospital
  • Publications & Research

    Dr. Folbe has contributed to 4 publications.
    Title Xrp6258-induced Gene Expression Patterns in Head and Neck Cancer Carcinoma.
    Date July 2010
    Journal The Laryngoscope

    XRP6258 is a novel taxoid, which has antitumor activity in preclinical mouse orthotopic and human xenograft cancer models. However, limited XRP6258 studies have been performed in head and neck squamous cell carcinoma cells (HNSCC). The objective of this study is to identify the antitumor activity of XRP6258 in HNSCC cell line models.

    Title Autoantibody Approach for Serum-based Detection of Head and Neck Cancer.
    Date May 2008
    Journal Cancer Epidemiology, Biomarkers & Prevention : a Publication of the American Association for Cancer Research, Cosponsored by the American Society of Preventive Oncology

    Currently, no effective tool exists for screening or early diagnosis of head and neck squamous cell carcinoma (HNSCC). Here, we describe an approach for cancer detection based on analysis of patterns of serum immunoreactivity against a panel of biomarkers selected using microarray-based serologic profiling and specialized bioinformatics. We biopanned phage display libraries derived from three different HNSCC tissues to generate 5,133 selectively cloned tumor antigens. Based on their differential immunoreactivity on protein microarrays against serum immunoglobulins from 39 cancer and 41 control patients, we reduced the number of clones to 1,021. The performance of a neural network model (Multilayer Perceptron) for cancer classification on a data set of 80 HNSCC and 78 control samples was assessed using 10-fold cross-validation repeated 100 times. A panel of 130 clones was found to be adequate for building a classifier with sufficient sensitivity and specificity. Using these 130 markers on a completely new and independent set of 80 samples, an accuracy of 84.9% with sensitivity of 79.8% and specificity of 90.1% was achieved. Similar performance was achieved by reshuffling of the data set and by using other classification models. The performance of this classification approach represents a significant improvement over current diagnostic accuracy (sensitivity of 37% to 46% and specificity of 24%) in the primary care setting. The results shown here are promising and show the potential use of this approach toward eventual development of diagnostic assay with sufficient sensitivity and specificity suitable for detection of early-stage HNSCC in high-risk populations.

    Title Eukaryotic Initiation Factor 2alpha Kinase and Phosphatase Activity During Postischemic Brain Reperfusion.
    Date April 1999
    Journal Experimental Neurology

    When ischemic brain is reperfused, there is in vulnerable neurons immediate inhibition of protein synthesis associated with a large increase in phosphorylation of the alpha-subunit of eukaryotic initiation factor 2 [eIF2alpha, phosphorylated form eIF2alpha(P)]. We examined eIF2alpha kinase and eIF2alpha(P) phosphatase activity in brain homogenate postmitochondrial supernatants obtained from rats after 3 to 30 min of global brain ischemia (cardiac arrest), after 5 min of ischemia and 5 min of reperfusion (5R), and after 10 min of ischemia and 90 min reperfusion (90R). Because it has been suggested that PKR might be specifically responsible for producing eIF2alpha(P) during reperfusion, we also examined in brain homogenates from wild-type and PKR0/0 C57BL/6J x 129/SV mice the effect of 5 min of ischemia and 5 min of reperfusion on eIF2alpha(P). Cytosolic brain eIF2alpha(P) in the 5R and 90R rats was 18- and 23-fold that of nonischemic controls without any change in the rate of eIF2alpha(P) dephosphorylation. There was no change in eIF2alpha kinase activity between 3 and 30 min of ischemia but an 85% decrease in the 5R group; the 90R group was similar to controls. In wild-type and PKR0/0 mice total eIF2alpha was identical, and there was an identical 16-fold increase in eIF2alpha(P) at 5 min of reperfusion. Our observations contradict hypotheses that PKR activation, loss of eIF2alpha(P) phosphatase activity, or any general increase in eIF2alpha kinase activity are responsible for reperfusion-induced phosphorylation of eIF2alpha, and we suggest that the mechanism may involve regulation of the availability of eIF2alpha to a kinase.

    Title An Adenylyl Cyclase Signaling Pathway Predicts Direct Dopaminergic Input to Vestibular Hair Cells.
    Journal Neuroscience

    Adenylyl cyclase (AC) signaling pathways have been identified in a model hair cell preparation from the trout saccule, for which the hair cell is the only intact cell type. The use of degenerate primers targeting cDNA sequence conserved across AC isoforms, and reverse transcription-polymerase chain reaction (RT-PCR), coupled with cloning of amplification products, indicated expression of AC9, AC7 and AC5/6, with cloning efficiencies of 11:5:2. AC9 and AC5/6 are inhibited by Ca(2+), the former in conjunction with calcineurin, and message for calcineurin has also been identified in the trout saccular hair cell layer. AC7 is independent of Ca(2+). Given the lack of detection of calcium/calmodulin-activated isoforms previously suggested to mediate AC activation in the absence of Gαs in mammalian cochlear hair cells, the issue of hair-cell Gαs mRNA expression was re-examined in the teleost vestibular hair cell model. Two full-length coding sequences were obtained for Gαs/olf in the vestibular type II-like hair cells of the trout saccule. Two messages for Gαi have also been detected in the hair cell layer, one with homology to Gαi1 and the second with homology to Gαi3 of higher vertebrates. Both Gαs/olf protein and Gαi1/Gαi3 protein were immunolocalized to stereocilia and to the base of the hair cell, the latter consistent with sites of efferent input. Although a signaling event coupling to Gαs/olf and Gαi1/Gαi3 in the stereocilia is currently unknown, signaling with Gαs/olf, Gαi3, and AC5/6 at the base of the hair cell would be consistent with transduction pathways activated by dopaminergic efferent input. mRNA for dopamine receptors D1A4 and five forms of dopamine D2 were found to be expressed in the teleost saccular hair cell layer, representing information on vestibular hair cell expression not directly available for higher vertebrates. Dopamine D1A receptor would couple to Gαolf and activation of AC5/6. Co-expression with dopamine D2 receptor, which itself couples to Gαi3 and AC5/6, will down-modulate levels of cAMP, thus fine-tuning and gradating the hair-cell response to dopamine D1A. As predicted by the trout saccular hair cell model, evidence has been obtained for the first time that hair cells of mammalian otolithic vestibular end organs (rat/mouse saccule/utricle) express dopamine D1A and D2L receptors, and each receptor co-localizes with AC5/6, with a marked presence of all three proteins in subcuticular regions of type I vestibular hair cells. A putative efferent, presynaptic source of dopamine was identified in tyrosine hydroxylase-positive nerve fibers which passed from underlying connective tissue to the sensory epithelia, ending on type I and type II vestibular hair cells and on afferent calyces.

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