Pancytopenia Secondary to Vitamin B12 Deficiency in Older Subjects.

Background: Vitamin B12 (cobalamin CBL) is a water-soluble vitamin required to form hematopoietic cells (red blood cells, white blood cells, and platelets). It is involved in the process of synthesizing DNA and myelin sheath. Deficiencies of vitamin B12 and/or folate can cause megaloblastic anemia (macrocytic anemia with other features due to impaired cell division).

[Bacterial vaginosis: efficacy of a local treatment with a gel containing a fraction derived from propinibacterium acnes].

Background: Bacterial vaginosis (BV) is favored by a decreased activity of vaginal immune system. The fraction derived from Propionibacterium acnes is known to activate the immune system and is used parenterally to treat respiratory and urinary infections. The employ of a fraction derived from Propionibacterium acnes locally, in the context of the vaginal immune system, is made possible by a vaginal gel in which this fraction is associated with hyaluronic acid, well-known for its moisturizing activity, and polycarbophil, capable of miming the function of cervical mucus.