Considering known risk factors, oral cancer appears to be to a certain extent, a preventable disease. Recent development of molecular picture of pathoprogression and molecular genetic tools opens the avenue for easier diagnosis, better prognostication and efficient therapeutic management.

Cytokines are low molecular weight regulatory proteins or glycoprotein that modulates the intensity and duration of immune response by stimulating or inhibiting the activation, proliferation, and/or differentiation of target cells. Different cytokines are known to have diverse role in breast cancer initiation and progression. Interleukin-10 (IL-10), a pleiotropic anti-inflammatory cytokine, induces immunosuppression and assists in escape from tumor immune surveillance. Like several other cytokines, IL-10 also can exert dual proliferative and inhibitory effect on breast tumor cells indicating a complex role of IL-10 in breast cancer initiation and progression. In this review, we tried to put together a comprehensive current view on significance of IL-10 in promotion, inhibition, and importance as prognosticator in breast cancer based on in vitro, in vivo, and clinical evidences. For literature collection, we conducted PubMed search with keywords "IL-10" and "breast cancer".

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Since their inception, angiotensin-converting enzyme (ACE) inhibitors have been used as first-line therapy for the treatment of cardiovascular and renal diseases. They restore the balance between the vasoconstrictive salt-retentive and hypertrophy-causing peptide angiotensin II (Ang II) and bradykinin, a vasodilatory and natriuretic peptide. As ACE is a promiscuous enzyme, ACE inhibitors alter the metabolism of a number of other vasoactive substances. ACE inhibitors decrease systemic vascular resistance without increasing heart rate and promote natriuresis. They have been proven effective in the treatment of hypertension, and reduce mortality in congestive heart failure and left ventricular dysfunction after myocardial infarction. They inhibit ischemic events and stabilize plaques. Furthermore, they delay the progression of diabetic nephropathy and neuropathy and act as antioxidants. Ongoing studies have elucidated protective roles for them in both memory-related disorders and cancer. INTRODUCTIONIn recent years, stressful and fiercely competitive lifestyles and food habits have compounded the problems of hypertension. Long-standing and stressful, progressively rising hypertension can lead to many disorders, including myocardial infarction (MI), cerebrovascular events, congestive heart failure, peripheral arterial insufficiency, premature mortality 1 and renal dysfunction leading to glomerulosclerosis and kidney artery aneurysm. 2 A number of therapies are available, but angiotensin-converting enzyme (ACE) inhibitors have been the preferred first-line therapy for hypertension, congestive heart failure, left ventricular (LV) systolic dysfunction and MI. 3,4 ACE inhibitors (ACEis) have been in use for the past two decades, and the interest in them is still growing. Recently, the discovery of domain-selective ACEis and new members of the renin-angiotensin system (RAS) (that is, angiotensin-converting enzyme 2) have again fueled the interest of researchers. Some new studies have expanded the already impressive clinical profile of ACEis. This review traces some already known and new facets of ACE inhibition and introduces new advances in the designing of a new generation of ACEis.

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